DR1101-CS111118Ken Griffin -Fwd: Re: Northlake Access Agreement
From:
To:
Date:
Subject:
Patrick
Ken Griffin
"McInroe, Patrick" <Patrick. Mcinroe @ luminant. com>
11/18/20118:16 AM
Fwd: Re: Northlake Access Agreement
Page 1 of 3
This is what I previously sent. Paragraph a provides detailed information. Let me know if you need
more detail than this and I will get F &N to provide an update.
Thanks
Ken Griffin
>>> "McInroe, Patrick" <Patrick. Mcinroe @Iuminant. com> 11/3/2011 5:09 PM >>>
Thanks very much. That is most helpful. We will get this incorporated into the access agreement draft.
Regards,
Patrick McInroe
Sent from my iPad
111 n Nov 3, 2011, at 4:45 PM, "Ken Griffin" <kQriffin @coppelltx.gov> wrote:
Mr. McInroe
This is a summary of information I received from F &N concerning access to the site:
This SDecific site visit will be visual only. no tests. Basically. two folks will walk around and
take pictures so they can describe the habitat and the environmental impact of lowering
the lake.
In the future, access to the site will be needed to perform up to 4 geotechnical borings at
the dam. One would be at the inlet, two would be along the pipeline alignment, and one
would be at the outlet structure. Deaths will vary from 311115 to 70 feet.
a. Subcontract with a drilling contractor to drill the borings at the proposed
locations. The borings will be drilled with either continuous flight or
hollow -stem augers. Obtain soil samples for laboratory testing using thin-
walled sampler tubes in fine- grained soilsp , e rform Standard Penetration
Tests in coarse - grained soils to obtain samples and perform cone
Denetrometer tests on rock in the field. Backfill borings with cement-
bentonite grout and plug the upper foot of each boring with concrete sack
mix to prevent a tripping hazard.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4EC61462C... 3/5/2012
Page 2 of 3
This would probably be 2 or 3 days on site for a drilling rig.
This information is from:
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 - 735 -7284
jlr @freese.com
Hopefully this provides adequate information to move forward. If not, you can contact
Mr. Rutledge directly or myself.
Ken Griffin, P. E.
Director of Engineering and Public Works
972- 304 -3686
kariffin@coppelltx.aov
Clay -can you have your F &N contact call us to discuss what they want to do out at
NLake? We have reviewed the document with the 3 proposed solutions, but need to
understand what it is they want to investigate via the access agreement (is it only to look at
any wetlands impact - 9.). That will really help us to get that agreement going, thx.
Regards,
Patrick J McInroe
Director -Real Estate Development
Energy Future Holdings, Luminant Generation Corp
500 N Akard, Lincoln Plaza, LP 10 -030D
Dallas, TX 75201
patrick.mcinroegluminant.com
Office: 214 - 875 -8686, Fax: 214 - 875 -8905
Mobile: 214 - 789 -8905
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Page 3 of 3
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Ken Griffin -Fwd: RE:* Northlake
From:
To:
Date:
Subject:
cc:
Attachments:
Patrick
Ken Griffin
"McInroe, Patrick" <Patrick. Mcinroe @ luminant. com>
11/21/20113:00 PM
Fwd: RE: Northlake
Clay Phillips
20111121142956.pdf
There is an attached exhibit that shows the "exact" location of the proposed borings.
Let me know if you need any additional information.
Ken Griffin
>>> John Rutledge <JLR @freese.com> 11/21/20112:40 PM >>>
This shows where we would like the 4 borings. Hopefully, this will be sufficient to be called "exact ". It's certainly as
"exact" as we know it to date. These are standard core borings with samples. We'll need to take a drilling rig truck
to the site in order to get the borings. The holes will be filled upon completion. We're not planning on installing
any instrumentation. Only the one in the riprap upstream from the spillway will require a little work, such as
moving riprap or adding some fill to make a pad. We're fine with either. 1, 3, and 4 will be about 50'and 2 will be
about 70. Total depths are not finalized. If there is any directions on getting in to the site and getting out and
limitations on the driller while there, please let us know.
The two folks doing the environmental assessment will cover a much wider area but are only doing a visual
observation. I think that was fully covered in previous correspondence.
Please let me know if more information is needed.
Thanks
JLR
John L. Rutledge,, P.E.
Freese and Nichols., Inc.
4055 International Plaza St 200
Fort Worth., TX 76109
817 -735 -7284
jlr @freese.com
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file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ECA677B... 3/5/2012
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012) Ken Griffin - Re: Northlake Page 1
From: "Mclnroe, Patrick" <Patrick.Mcinroe @luminant.com>
To: Ken Griffin <kgriffin @coppelltx.gov>
CC: Clay Phillips <CPHILLIPS @coppelltx.gov>
Date: 11/21/2011 3:30 PM
Subject: Re: Northlake
Many thanks!
Regards,
Patrick Mclnroe
Sent from my iPad
On Nov 21, 2011, at 3:00 PM, "Ken Griffin" <kgriffin @coppelltx.gov> wrote:
> Patrick
> There is an attached exhibit that shows the "exact" location of the proposed borings.
> Let me know if you need any additional information.
> Ken Griffin
»» John Rutledge <J LR @freese. com> 11/21/2011 2:40 PM >>>
> This shows where we would like the 4 borings. Hopefully, this will be sufficient to be called "exact ". It's
certainly as "exact" as we know it to date. These are standard core borings with samples. We'll need to
take a drilling rig truck to the site in order to get the borings. The holes will be filled upon completion.
We're not planning on installing any instrumentation. Only the one in the riprap upstream from the
spillway will require a little work, such as moving riprap or adding some fill to make a pad. We're fine with
either. 1, 3, and 4 will be about 50' and 2 will be about 70. Total depths are not finalized. If there is any
directions on getting in to the site and getting out and limitations on the driller while there, please let us
know.
> The two folks doing the environmental assessment will cover a much wider area but are only doing a
visual observation. I think that was fully covered in previous correspondence.
• Please let me know if more information is needed.
• Thanks
• JLR
> John L. Rutledge, P.E.
> Freese and Nichols, Inc.
> 4055 International Plaza St 200
> Fort Worth, TX 76109
> 817 - 735 -7284
> jlr @freese.com
> [cid:WLLHRBGGYUSO.IMAGE.gif]
• <ATT00001.. g if>
• <20111121142956.pdf>
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012) Ken Griffin - Re: Northlake Page 2
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(3/5/2012) Ken Griffin - Re: Northlake Page 1
From: "Mclnroe, Patrick" < Patrick. Mcinroe @luminant.com>
To: Ken Griffin <kgriffin @coppelltx.gov>
Date: 11/22/2011 10:18 AM
Subject: Re: Northlake
Ken -any idea of the width?
Regards,
Patrick McInroe
Sent from my iPad
On Nov 21, 2011, at 3:00 PM, "Ken Griffin" <kgriffin @coppelltx.gov> wrote:
> Patrick
> There is an attached exhibit that shows the "exact' location of the proposed borings.
> Let me know if you need any additional information.
> Ken Griffin
»» John Rutledge <JLR @freese.com> 11/21/2011 2:40 PM »>
> This shows where we would like the 4 borings. Hopefully, this will be sufficient to be called "exact ". It's
certainly as "exact' as we know it to date. These are standard core borings with samples. We'll need to
take a drilling rig truck to the site in order to get the borings. The holes will be filled upon completion.
We're not planning on installing any instrumentation. Only the one in the riprap upstream from the
spillway will require a little work, such as moving riprap or adding some fill to make a pad. We're fine with
either. 1, 3, and 4 will be about 50' and 2 will be about 70. Total depths are not finalized. If there is any
directions on getting in to the site and getting out and limitations on the driller while there, please let us
know.
> The two folks doing the environmental assessment will cover a much wider area but are only doing a
visual observation. I think that was fully covered in previous correspondence.
• Please let me know if more information is needed.
• Thanks
• JLR
> John L. Rutledge, P.E.
> Freese and Nichols, Inc.
> 4055 International Plaza St 200
> Fort Worth, TX 76109
> 817 -735 -7284
> j
> [cid:WLLHRBGGYUSO.IMAGE.gifl
• <ATT00001..gif>
• <20111121142956.pdf>
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(3/5/2012) Ken Griffin - Re: Northlake Page 2
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Page 1 of 2
Ken Griffin - Re:* Northlake
From: Ken Griffin
To: Patrick McInroe
Date: 11/22/2011 11:03 AM
SUbject: Re: Northlake
CC: Clay Phillips; Robert Hager NJDHS
Patrick
Are you inquiring about the width of the bore work area or the width of the access path we need? It's
difficult to tie down an exact area because of the need to maneuver equipment to access the work area.
Also as noted, the one bore in the riprap area upstream of the spillway will require some effort to
access. However, if you are defining an access path from the property line to the work area it would
need to be about 20 feet wide to accommodate the equipment. At the work area, my best estimate is
that we would need about a 50 foot wide area to ensure we can maneuver the equipment to perform the
work.
Ken Griffin
>>> "McInroe, Patrick" <Patrick. Mcinroe @Iuminant. com> 11/22/2011 10:15 AM >>>
Ken -any idea of the width?
Regards,
Patrick McInroe
Sent from my iPad
On Nov 2 1, 2011, at 3:00 PM, "Ken 5rifin" <kgriff n c ,, p e lltx,gov> wrote:
> Patrick
> There is an attached exhibit that shows the "exact" location of the proposed borings.
> Let me know if you need any additional information.
> Ken Griffin
>>>> John Rutledge <JLR @freese.com> 11/21/20112:40 PM >>>
> This shows where we would like the 4 borings. Hopefully, this will be sufficient to be called "exact ".
It's certainly as "exact" as we know it to date. These are standard core borings with samples. We'll need
to take a drilling rig truck to the site in order to get the borings. The holes will be filled upon
completion. We're not planning on installing any instrumentation. Only the one in the riprap upstream
from the spillway will require a little work, such as moving riprap or adding some fill to make a pad.
We're fine with either. I , 3, and 4 will be about 50' and 2 will be about 70. Total depths are not
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ECB8166C... 3/5/2012
Page 2 of 2
finalized. If there is any directions on getting in to the site and getting out and limitations on the driller
while there, please let us know.
> The two folks doing the environmental assessment will cover a much wider area but are only doing a
visual observation. I think that was fully covered in previous correspondence.
> Please let me know if more information is needed.
> Thanks
> JLR
> John L. Rutledge, P.E.
> Freese and Nichols, Inc.
> 4055 International Plaza St 200
> Fort Worth, TX 76109
> 817 -735 -7284
> jlr @freese.com
> [cid:WLLHRBGGYUSO.IMAGE.gifJ
> <ATTOOOO 1 0 egif>
> <20111121142956,opdf>
Confidentiality Notice: This email message, including any attachments,
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(3/5/2012) Ken Griffin - Re: Northlake Page 1
From: "Mclnroe, Patrick" < Patrick. Mcinroe @luminant.com>
To: Ken Griffin <kgriffin @coppelltx.gov>
CC: Clay Phillips <CPHILLIPS @ coppelltx.gov >, Robert Hager NJDHS <rhag er @ n i dh...
Date: 11/22/2011 11:19 AM
Subject: Re: Northlake
Width of bore hole
Regards,
Patrick McInroe
Sent from my iPad
On Nov 22, 2011, at 11:01 AM, "Ken Griffin" <kgriffin @coppelltx.gov> wrote:
> Patrick
> Are you inquiring about the width of the bore work area or the width of the access path we need? It's
difficult to tie down an exact area because of the need to maneuver equipment to access the work area.
Also, as noted, the one bore in the riprap area upstream of the spillway will require some effort to access.
However, if you are defining an access path from the property line to the work area it would need to be
about 20 feet wide to accommodate the equipment. At the work area, my best estimate is that we would
need about a 50 foot wide area to ensure we can maneuver the equipment to perform the work.
> Ken Griffin
> »> "Mclnroe, Patrick" < Patrick. Mcinroe @luminant.com> 11/22/2011 10:15 AM »>
> Ken any idea of the width?
> Regards,
• Patrick McInroe
• Sent from my iPad
> On Nov 21, 2011, at 3:00 PM, "Ken Griffin" <kgriffin @coppelltx.gov> wrote:
> > Patrick
> > There is an attached exhibit that shows the "exact" location of the proposed borings.
> > Let me know if you need any additional information.
> > Ken Griffin
> »» John Rutledge <JLR @freese.com> 11/21/2011 2:40 PM »>
> > This shows where we would like the 4 borings. Hopefully, this will be sufficient to be called "exact ". It's
certainly as "exact' as we know it to date. These are standard core borings with samples. We'll need to
take a drilling rig truck to the site in order to get the borings. The holes will be filled upon completion.
We're not planning on installing any instrumentation. Only the one in the riprap upstream from the
spillway will require a little work, such as moving riprap or adding some fill to make a pad. We're fine with
either. 1, 3, and 4 will be about 50' and 2 will be about 70. Total depths are not finalized. If there is any
directions on getting in to the site and getting out and limitations on the driller while there, please let us
(3/5/2012) Ken Griffin - Re: Northlake Page 2
know.
> > The two folks doing the environmental assessment will cover a much wider area but are only doing a
visual observation. I think that was fully covered in previous correspondence.
> > Please let me know if more information is needed.
> > Thanks
» JLR
> > John L. Rutledge, P.E.
> > Freese and Nichols, Inc.
> > 4055 International Plaza St 200
> > Fort Worth, TX 76109
> > 817 -735 -7284
> > j
> > [cid:WLLHRBGGYUSO.IMAGE.gifl
> > <ATT00001..gif>
> > <20111121142956.pdf>
• Confidentiality Notice: This email message, including any attachments,
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Page 1 of 2
Ken Griffin -Fwd: RE: Northlake
From:
Ken Griffin
To:
patrick.mcinroe @luminant.com
Date:
11/22/20112:08 PM
S Ubj ect:
Fwd: RE: Northlake
Patrick
Hopefully this helps.
Ken Griffin
>>> John Rutledge <JLR @freese.com> 11/22/2011 11:51 AM >>>
According to the geotech engineer, they are 6 -8 inches in diameter, depending on whether hollow stem (6 " -8 ")
or solid stem augers (4".611) are used. That decision is made in the field depending on field conditions. The
holes will be backfilled with a bentonite grout mixture.
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 - 735 -7284
jlr @freese.com
kdin Brl!IF
Md
Fromm. Ken Griffin Imai Ito: kgroiffi n@coppe, Itx-gov]
Sent: Tuesday., November 22., 2011 11:27 AM
Too. John Rutledge
Subject: Northlake
John
Per my last email, Luminant wants to know the width of the bore hole. Do you have that information?
Thanks
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ECBACC4... 3/5/2012
Page 2 of 2
Ken
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may contain the sender's organization's confidential and privileged information. The recipient is hereby notified to treat the information as confidential
and privileged and to not disclose or use the information except as authorized by sender's organization. Any unauthorized review, printing, retention,
copying, disclosure, distribution, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or
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Ken Griffin - R Northlake
From: "McInroe, Patrick" <Patrick. Mcinroe gluminant. com>
To: Ken Griffin <kgriffingcoppe11tx.9ov>
Date: 11/22/20114:59 PM
Subject: Re: Northlake
Thanks. Have a great Turkey Day!
Regards,
Patrick McInroe
Sent from my iPad
On Nov 22, 2011, at 2:06 PM, "Ken Griffin" <ki4riffin(&,co-p-pe11tx.aov> wrote:
Patrick
Hopefully this helps.
Ken Griffin
>>> John Rutledge <JLR @freese.com> 11/22/2011 11:51 AM >>>
According to the geotech engineer, they are 6 -8 inches in diameter, depending on whether hollow
stem (6 " -8 ") or solid stem augers (411-611) are used. That decision is made in the field depending on
field conditions. The holes will be backfilled with a bentonite grout mixture.
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
<ATT00001..gif>
Fromm. Ken Griffin [mai Ito: kgriffi n@coppel ltx.gov]
Sent: Tuesday., November 22,,,2011 11:27 AM
Too. John Rutledge
Subject: Northlake
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ECBD4F6... 3/5/2012
Page 2 of 2
John
Per my last email, Luminant wants to know the width of the bore hole. Do you have that
information?
Thanks
Ken
Please consider the environment before printing this message.
This electronic mail message is intended exclusively for the individual or entity to which it is addressed. This message, together with
any attachment, may contain the sender's organization's confidential and privileged information. The recipient is hereby notified to
treat the information as confidential and privileged and to not disclose or use the information except as authorized by sender's
organization. Any unauthorized review, printing, retention, copying, disclosure, distribution, retransmission, dissemination or other
use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited.
If you received this message in error, please immediately contact the sender by reply email and delete all copies of the material from
any computer. Thank you for your cooperation.
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Ken Griffin -Fwd: North Lake
From: "McInroe, Patrick" <Patrick.Mcinroe @luminant.com>
To: Clay Phillips <CPHILLIPS @coppelltx.gov >, Ken Griffin <kgriffin @coppelltx...
Date: 11/28/2011 7:07 AM
Subject: Fwd: North Lake
Attachments: G-147459.pdf,- ATT0000L.htm; Main Dam Irrigation System Layout.pdf; ATT00002..htm; 1999 NL Dam Spillway Geotech Investigation_27May1999.pdf;
ATT00003..htm
I NVA I
Regards,
Patrick McInroe
Sent from my iPad
Begin forwarded message:
From: "Vrla, Milton" <Milton.Vrla(a,luminant.com>
To: "John L. Rutledge, P.E." <jlr c(rv,freese.com>
Cc: "McInroe, Patrick" < Patrick .Mcinroegluminant.com >, "Diermann, Scott" <Scott.Diermanngluminant.com >, "Bagley, Terry"
<Terry.Bagleya,luminant.com>
Subject: FW: North Lake
John,
I have reviewed your proposed boring location plan and need to advise you of underground facilities at your Station 0 +00 /Boring B -1 and Station 2 +00/ Boring
B -2. At these locations you may encounter a 6 inch PVC irrigation line which is currently serving the saddle dam. Boring B -2 may also encounter the abandoned
18 inch cast iron low flow outlet pipeline. I recommend you review the attached drawings and relocate these borings a safe distance from these underground
facilities.
I have also attached a geotechnical investigation conducted for reconditioning of the spillway chute in 1999. The correctness of the information within this
document or use of the document information is at your own risk. It may however be useful in determining whether or not fewer or more borings are necessary
for your proposed design.
It is probably noteworthy to advise you that the area below the main dam roughly from the toe of the dam to the Luminant property fence has been identified as
potential wetlands and possibly subject to COE 404 rules.
Call me upon your return from the Thanksgiving Holidays and we can discuss other drawings which may be available in our files to insure the project is a
success.
Milton
214.875.8231
From: McInroe, Patrick
Sent: Monday, November 21, 2011 11:07 AM
To: Diermann, Scott
Cc: Vrla, Milton
Subject: Re: North Lake
Milton - pls work directly with Rutledge. Just let me know what the outcome is, thx.
Regards,
Patrick McInroe
Sent from my iPad
On Nov 21,2011, at 10:59 AM, "Diermann, Scott" < Scott. Diermann( aluminant. com< mailto :Scott.DiermannAluminant.com» wrote:
Please work through Patrick McInroe.
Thanks
Sent from my iPad
On Nov 21, 2011, at 10:12 AM, "Vrla, Milton" « mailto : Milton. Vrlagluminant.com> Milton. Vrla( a, luminant. com< mailto : Milton. Vrla(a,luminant.com» wrote:
I would need to see a plan of proposed boring locations prior to providing my opinion. We probably have borings at some of these locations. Most of the area
below the main dam is a suspected wetland. Do you want me to work directly with FNUJohn Rutledge?
From: Diermann, Scott
Sent: Monday, November 21, 2011 9:58 AM
To: Vrla, Milton
Cc: McInroe, Patrick
Subject: Fwd: North Lake
I think it is probably OK but I am no expert on dams. Please review for your thoughts on potential risk.
Thanks
Sent from my iPad
Begin forwarded message:
From: "McInroe, Patrick"
« mailto : Patrick. Mcinroe(&,luminant. com><mailto: Patrick. Mcinroe aluminant. com>Patrick. Mcinroe aluminant. com <mailto: Patrick. Mcinroealuminant.com»
Date: November 21,2011 9:19:05 AM CST
To: "Diermann, Scott"
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED3332FC... 3/5/2012
Page 2 of 3
«mailto: Scott. Diermann�,luminant.com > <mailto: Scott.Diermann�,luminant.com> Scott. Diermann(c�luminant.com <mailto: Scott.Diermann(c�luminant.com »,
"Bagley, Terry"
«mailto: Terry. Bagleyluminant. com>< mailto :Terry.Bagleygluminant.com> Terry. Bagleyluminant. com< mailto :Terry.Bagleygluminant.com»
Cc: "Ray, Kyle"
«mailto: William. Ray gluminant.com > <mailto: William. Ray gluminant. com>William. Ray gluminant. com<mailto: William. Ray gluminant. com>>
Subject: RE: North Lake
Guys - pls see below note from Freese Nichols (FN) via the City of Coppell engineer. Are you ok with FN performing 4 geotechnical borings at the dam as
described? The boring activity will be regulated under the Access Agreement & Luminant's supervision /escort. The goal of the activity is for the final
determination of the City filing a 404 permit with the Corps.
Mr. McInroe
This is a summary of information I received from F &N concerning access to the site:
This specific site visit will be visual only, no tests. Basically, two folks will walk around and take pictures so they can describe the habitat and the environmental
impact of lowering the lake.
In the future, access to the site will be needed to perform up to 4 geotechnical borings at the dam. One would be at the inlet, two would be along the pipeline
alignment, and one would be at the outlet structure. Depths will vary from 35 to 70 feet.
a. Subcontract with a drilling contractor to drill the borings at the proposed locations. The borings will be drilled with either continuous flight or hollow -stem
augers. Obtain soil samples for laboratory testing using thin - walled sampler tubes in fine - grained soils, perform Standard Penetration Tests in coarse - grained
soils to obtain samples and perform cone penetrometer tests on rock in the field. Backfill borings with cement- bentonite grout and plug the upper foot of each
boring with concrete sack mix to prevent a tripping hazard.
This would probably be 2 or 3 days on site for a drilling rig.
This information is from:
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
< mailto :jlrgfreese.com > <mailto:jlr crv,freese.com >jlr c(rv,freese.com <mailto:jlr crv,freese.com>
Hopefully this provides adequate information to move forward. If not, you can contact Mr. Rutledge directly or myself.
Ken Griffin, P. E.
Director of Engineering and Public Works
972- 304 -3686
<mailto:k rid ffingcoppelltx.gov > <mailto:k ri.� ffin crv,coppelltx.gov >kgriffin crv,coppelltx.gov <mailto:k rid ffingcoppelltx.gov>
Regards,
PJM
From: Diermann, Scott
Sent: Thursday, November 03, 2011 11:52 AM
To: McInroe, Patrick
Subject: RE: North Lake
Looks like a reasonable approach by F &N.
Scott Diermann
Director Luminant Gas Plant Operations
Office (214) 875 - 9137
Cell (254) 715 - 2241
From: McInroe, Patrick
Sent: Wednesday, November 02, 20114:02 PM
To: Diermann, Scott; Bagley, Terry
Cc: Reinke, Jay
Subject: Fwd: North Lake
Here's the Freese Nichols Report for Coppell on the proposed dam /spillway mods. It looks like what they access to the lake For now is to investigate any 404
permit issues with the Corps.
Regards,
Patrick McInroe
Sent from my iPad
Begin forwarded message:
From: "Marsh, Lila" « mailto: lmarshgvelaw. com>< mailto: lmarshgvelaw. com> lmarshgvelaw .com <mailto:lmarshgvelaw.com»
To: "McInroe, Patrick"
«mailto: Patrick. Mcinroe (&,luminant.com > <mailto: Patrick. Mcinroe(&,luminant.com> Patrick. Mcinroe(&, luminant. com< mailto: Patrick. Mcinroena,luminant.com»
Subject: FW: North Lake
Lila C. Marsh
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED3332FC... 3/5/2012
Page 3 of 3
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
< mailto: lmarsh( a, velaw. com>< mailto: lmarshgvelaw. com> lmarsh( a, velaw .com <mailto:lmarsh(a,velaw.com>
- - - -- Original Message - - - --
From: Cindy Brown [mailto:Cbrowngnjdhs.com]
Sent: Wednesday, November 02, 2011 3:08 PM
To: Marsh, Lila
Subject: FW: North Lake
Mr. Hager asked that the attached document be forwarded to you and ask that you forward the same to Pat McInroe. If you have any questions, please contact us.
Cindy D.Brown
Legal Assistant to Robert E. Hager
Nichols, Jackson, Dillard
Hager &Smith, LLP
1800 Lincoln Plaza
500 North Akard Street
Dallas, Texas 75201
214- 965 -9900 Main
214 - 665 -3322 Direct Dial
214 - 665 -3353 Direct Fax
214- 965 -0010 Fax
* *Information contained in this transmission is attorney privileged and confidential It is intended for the use of the individual or entity named above. If the
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•
•
GEOTECHNICAL INVESTIGATION
NORTH LAKE DAM SPILLWAY
DALLAS,TEXAS
Present to:
Dlklts Engineering Inc.
Mayo 1999
•
L�
Opr
MAS -Tac EngiineeAng
& Associates, Inc.
27 May, 1999
Project No. 8-012 -a
Dikita Engineering, Inc.
1420 W. Mockingbird Lane, Suite 800
Dallas, Texas 75247 -4932
Attn: Mr. James Allen, P.E.
Re: Geotechnical Investigation
North Lake Dam Spillway
Dallas, Texas
Dear Mr. Allen:
Submitted herein are the results of the geotedmical report for the above
referenced project. The services provided are in general accordance with
Proposal No. 02 -04-g dated 17 February, 1999.
Presented in this report are engineering conclusions and recommendations
drawn from our analyses of the field and laboratory data generated as part of the
overall investigation.
Thank you for the opportunity to provide these services. If you have any
questions, or when we may be of further service, please do not hes'date to call.
Sincerely,
4TTIFA
Hugh T. H
Vice Pros
HTKISBPRdm
ti �1
i0N T. KELLY
P.Wo _ .-2
Inc.
544".,6.
Shawn B. Peatrowsky
EIT
copies submitted: (2) Dikite Engineering, Inm/Mr. James Allen, P.E.
GeotechnkW Consulting & Materials Twdng
name Tavm 75717 9717110.7184
l
•
•
TABLE OF CONTENTS
1.0 INTRODUCTION
1
2.0 PURPOSE AND SCOPE
1
2.1 Purpose
1
2.2 Scope
1
3.0 SITE CONDITIONS
3
3.1 Surface Conditions
3
3.2 Subsurface Conditions
4
3.3 Groundwater
5
4.0 ANALYSIS AND RECOMMENDATIONS
5
4.1 General
5
4.2 Potential Vertical Movement
7
4.3 Foundation Systems
7
4.4 Foundation Construction Considerations
.7
4.5 Channel Walls
S
4.6 Excavation Safety
9
4.7 Slope Stability
11
4.8 Eardwwrk
12
4.9 Moisture Control
15
5.0 CLOSURE
16
Illustrations Figures 1 - 6
Boring Log Appendix A
Laboratory Test Results Appendix B
arm fiNaMMOM9 a Assoc., Inc.
t �
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
1.0 INTRODUCTION
This report presents the results of a geotechnical investigation for the repair and
replacement of the spillway of North Lake Dam. The lake is located in North Dallas,
approximately 114 mile north of LBJ Freeway on the east side of Beltline Road. The
main dam and spillway is located at the northeast comer of the lake. The site is owned
by TUElecdric and the work was performed for Dikita Engineering.
2.0 PURPOSE AND SCOPE OF THE STUDY
2.1 Purpose
Sections of the spillway outflow channel walls have started to deflect irmmrd and
attempts at bracing have proved ineffective. The purpose of this geotec�hnical
investigation was to evaluate the subgrade conditions at the proposed project site and
prepare an engineering report containing our analyses and recommendations for the
design and construction of a replacement outflow channel and slope stability/movement
analysis of the existing slopes on either side of the channel.
2.2 Scope
The scope of this investigation includes field exploration, instrument installation and
monitoring, laboratory testing,- and engineering services.
Field: The scope of the field exploration services included drilling five exploratory
borings at the subject site to investigate subsurface conditions. Three of the borings
were drilled to the top of bedrock adjacent the existing spillway walls. The other two
borings were drilled near the top of the slope on either side of the spillway channel.
The selection and location of the borings was made by MAs -TEK, after discussion with
0 Dikita Engineering and TUElectric. The boring locations were selected based on their
KA&T= E wrfng a Assoc., Inc.
r
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
accessibility o a drill rig and within the spillway area of concern. Wall boring WB -1
tY g P �y ng
was located behind the east wall of the channel near Station 1 +00, WB-2 was behind
the west channel wall near Station 2 +25, and WB -3 was drilled through the center line
of the existing channel at approximately Station 4 +50. Slope boring B -1 was on the
east slope above the channel near the spillway and B -2 was further down the channel
on the slope on the west side.
Drilling and sampling operations were completed using truck mounted drilling
equipment. The wall borings were drilled to the top of rock, between 3 and 6 feet deep.
The east and west slope borings were drilled to depths of 45 feet and 35 feet,
respectively.
Undisturbed samples of the cohesive materials were collected using seamless tube
samplers. The relative consistency of cohesive materials was evaluated in the field
using a pocket penetrometer. The in -situ loading bearing capacity of the underlying
bedrock (shale) was evaluated using TOOT Cone Penetration Tests in the two deep
slope borings.
Boring locations are shown graphically on Figure 1, the Plan of Borings, in the
illustration section of this report. Logs of Borings, WB -1 through WB -3, B -1 and B-2,
providing sample descriptions, depth, and drilling information are provided in Appendix
A. A key to terms used on the logs of borings and throughout this report follows the
boring logs.
2'
Afewrec Enakwerise A Assoc., Inc.
•
a.
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
Instrumentation: Two 2.75 inch diameter inclinometers were installed in the deep slope
borings. As of this report the inclinometers have been read 4 times since installation
and continue to be read on a monthly basis.
Laboratory: Laboratory test, in accordance with ASTM standards, were performed on
selected samples to aid in evaluation of material classification, the shear strength
characteristics, and the deformation properties. Classification testing included moisture
content, unit dry weight, liquid and plastic limit, and percent passing #200 sieve. Shear
strength testing included unconfined compression testing.
The results of the testing performed as part of the laboratory program are provided in
Appendix B.
0
Enoineeri no: The scope of engineering services Included a geologic literature review,
•
engineering analysis of the logs of borings, inclinometer readings, and laboratory test
results, evaluation of options, development of recommendations, and report
preparation.
3.0 SITE CONDITIONS
3.1 Surface Conditions
As stated in the project description, the project site is located on the down stream side
of North Lake Dam. The majority of the site is mowed range grasses. Along the steep
slopes of the spillway, mowing is not possible and the vegetation includes much
heavier brush and small tress. Because the project site in on the downstream face of a
dam, the topography changes quite rapidly. There is the downstream slope of the dam,
3
IIffA&TM Engtho Wn8 d Asow., Arm
4.
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS,TEXAS
the valley ut into the hillside to form the spillway, and the flat areas on to the dam
Y p �y� P
and the adjacent hill.
3.2 Subsurface Conditions
The University of Texas, Bureau of Economic Geology literature shows North Lake to
be located within the Eagle Ford Shale (EFS) formation with Quaternary stream
deposits along the outflow channel and Grapevine Creel. In general, the composition
of the overburden soils is related to the underlying bedrock and, in the case of the
Eagle Ford, appears almost entirely as a clay. In most places, the contact between the
overburden and the fresh, unweathered shale is gradational, with occasional sharp
contacts being observed.
The Eagle Ford formation was deposited in a marine sedimentary geologic environment
during the Cretaceous Period. In general, the present regional geologic environment is
very stable and not subject to subsidence. This fomation contains few faults, has no
active faulting, and is in a seismic Zone 0.
The five borings for this study reflect those conditions described above. For the two
wall borings on either side of the channel, the subsurface materials consist of about 4
to 5 feet of stiff, brown clay over a thin layer (1 to 2 feet thick) of tan and gray
weathered shale atop fresh, dark gray shale. The third wall boring in the center of the
channel encountered approximately 1 foot of concrete atop fresh dark gray shale.
Slope Boring B -1 encountered 8 feet stiff to hard brown and tan clay atop 17 feet of
hard tan, brown and gray clay consisting of residual shale. A 54dot layer of soft tan
and gray weathered shale was encountered from 25 to 30 feet_ Fresh shale was 0
4
MA&TkK Enelnewbg a Assoc., bm
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS.TEXAS
0 encountered at a depth of 30 feet and continued to the boring total depth of 45 feet. A
2.75 inch diameter inclinometer pipe was installed to the boring total depth.
Boring B-2 encountered 5 feet of stiff tan and brown day consisting of residual shale.
A 2 -foot layer of soft weathered, tan and gray shale was encountered from 5 to 7 feet.
Fresh dark gray shale was encountered at a depth of 7 feet and continued to the boring
total depth of 35 feet. A 2.75 inch diameter inclinometer pipe was installed to the
boring total depth.
Detailed description of each of the borings and the materials encountered along with a
Key to Terms used throughout this report are provided in Appendix A of this report, the
Logs of Borings.
is 3.b Oroundwater
Groundwater seepage was not encountered in the borings during drilling. Groundwater
should not have significant impact on construction of the new out flow channel.
4.0 ANALYSES AND RECOMMENDATIONS
4.1 General
The site is underlain with soil and rock of the EFS formation. These materials are
highly plastic, almost entirely day, and are very expansive. Because of the highly
plastic nature and the expansive day mineralogy, the existing concrete lined spillway
has undergone significant distress. Expansive day minerals can undergo shear
strength and volume changes seasonally with changes in moisture. These changes
can cause excess lateral pressures, excess uplift pressure, seasonal shallow slope
failures (slides), and deep slope failure of movement
Atha -T®r EngbowfnQ i Asp, mss:
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
By drilling and collecting samples, testing the samples in the laboratory, and
measurement of actual slope movements in the field, the behavior of the spillway slope
soils can be fairly well defined. Once the engineering properties are characterized,
recommendations for re- design and construction can be made.
In addition to the laboratory analysis of the existing soil and rock conditions,
instruments to measure ground movements were installed. These instruments are
inclinometers. One was installed in each of the deep borings. Because the
inclinometers are for temporary use only (through design and oonstruWon), each was
backfilled with sand instead of more permanent cement grout
The results of the initial readings are provided in Figures 2 and 3 in the illustration
section of this report. Direction A is up and down the slope perpendicular to the 0
channel, While direction B is rotated 90 degrees from this, parallel to the channel. Al
this time the inclinometers have detected very little movement. We trust this will
remain true throw construction. However, to monitor slope behavior until completion,
MAs -TEK should continue to read the instruments as part of the construction
observation and testing contract.
Based on the information provided to us, it is assumed that no other structures for this
site are within the scope of this study. Therefore, these recommendations are provided
exclusively for the proposed replacement of the out flow channel and should not be
utilized for any other type of structure.
6
MWTlsc ENIfnNrrnp a Ire.
•
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS,TEXAS
is 4.2 Potential Vertical Movement
As stated above, the existing clay soils can undergo movement associated with
seasonal changes in soil moisture. Normally these movements are in the vertical
direction, but where cuts in the soil exist they can also be lateral. For the soils directly
behind the wall, TxDOT PVR calculations show the potential vertical movement to be 2
inches or less for current conditions and more than 2112 inches for dry conditions. If
the materials are permitted to dry significantly during oonstnx Lion of the new outflow
channel, potential movements will increase. Under dry conditions, vertical movements
in excess of 10 to 12 inches are not uncommon for these soils types.
4.3 Foundation Syetenis
Because the channel will be founded directly on the shale and the structure has very
little to support besides its own weight, a concrete slab on grade will be sufficient.
Although shale is soft by rock classification, it is more than sufficient to support the
channel. The shale should be bladed smooth and the channel base cast4n place
directly atop it. Granular bedding materials or select fill should not be used below the
slab.
4.4 Foundation Construction Conelderadons
The existing site materials can be readily excavated with standard equipment. The
construction of all foundations should be observed by experienced personnel from this
office, during construction, to insure compliance with design assumptions and to verify:
(a) that if encountered, groundwater seepage or caving soils are properly
addressed;
(b) steel and concrete placement is in general conformanoe's with the contract
documents.
f
A11s¢TM Enptr,OWM9 a Assoc„ &M
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
4.6 Channel Walls
As stated above, backfill behind the channel walls will exert lateral pressures on the
structure. Because of the 2:1 slopes behind the wall (vs. horizontal), this pressure will
be even greater. The magnitude of these pressures can also be effected by several
other factors:
(a) will the structure be permitted to deflect (active loading conditions);
(b) will the structure be fixed without deflection (at -rest loading conditions);
(c) the type of backfill;
(d) hydrostatic loading;
(e) compactive effort used on the backfill; and
(f) surcharge loads and slope surfaces.
The magnitude of the lateral pressures should be calculated using the soil coell'icients
provided in the table below. Active pressure assumes the retaining structure is
permitted to deflect. At -rest pressure assumes no deflection. Passive pressures and
the frictional coefficient are used to calculate resistance to sliding. Hydrostatic
pressure should be added to the lateral soil pressure for clay and select fill. For the
purpose of calculating lateral load, the total unit weight of backfill materials will be
approximately 125 pounds per cubic foot (pcf). The submerged unit weight is 62.5 pcf.
All backfill should be compacted in accordance with the criteria contained in the
Earthwork section of this report
It is assumed that the walls will be designed using active loading conditions with
backfill behind the walls consisting of on -site clays or similar.
•
e
Mss'7br EM bhp A Amoy., tnc�
•
•
•
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS,TEXAS
Lateral Pressure
The following equation and parameters are recommended calculating the lateral
pressures.
Table 1
Soil Coefficients
Backfill Slope
Coefficient of
Active Pressure
Ke
Flat
O.60
4(H)AM
1 0.68
3(H):i(V)
0.74
2(H):1(V)
0.88
The resultant loading on the wall can be calculated using Coulomb'e active earth
pressure: Pe = X • Ka • 7 • W, where H is the height of the watt, Ks is from the table
above for the appropriate backfill slope, and Y is the unit weight of the back ill material.
Figure 4.5-1 below depicts the standard lateral loading diagram (equivalent fluid
pressure) for the soil retained behind the wall without hydrostatic pressures.
9
NAM-TEK 6 t WhV A Ilssoc., i=
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
Backfill Slope - -'-
I'
a
Clay
Residual
Shale
Weathered
Shale _
Fresh
Shale
:I a
A�!Ot
•r:
Figure U -i
Kate h,
The possibility of shallow slides can not be completely removed These slides result
from over saturation, which cause significant reduction in shear strength of the EF
Shale and residual overburden soils. To minimize the possibility of these occurrences,
the final grades should be such that water readily drains from the site and areas that
pond water, particularly in landscaped areas, are not created.
4.6 Excavation Safety
Temporary construction slopes should utilize excavation protection systems or be
sloped back at an appropriate ratio. For any unprotected excavations, the following
slopes are required by OSHA standards:
10
Mas-TFK Engineering & Assam, Inc
•
I ]
•
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
Table 2
Maximum Allowable Excavation Slopes
Soli Type
Allowable Slope
Maximum Depth
T 'A'
314 H: IV
20 feet
T 'Br
1 H: IV
20 feet
Type `C'
1 1/2 H: IV
20 feet
Weathered EF Shale
an/G
112 H: IV
20 feet
Fresh EE Shale
Dark Gray)
Vertical
20 feet
Soil type needs to be identified by the contractors °competent person' as defined by
OSHA at the time of excavation. Although actual excavations deeper than 20 feet may
not be necessary, the temporary excavation support will need to be engineered specific
to this project because of total slope heights in the immediate pnximity.
9 4.7 Slope Stability
A slope stability analysis of the slope along the sides of the channel was performed
using Bishop's Circular Arc method of slices. A computer model of the slope was made
and multiple failure surfaces vmr+e tested to find the critical surface. The computations
for the critical surface were then checked using a spreadsheet. The table below shows
the parameters and results of the analysis. Diagrams of the slope analysis are
provided in Figures 4 through 6 in the illustration section of this report
11' ' -
JI wTm E ftMewfag A Ass=, ba
NORTH U1KE DAM SPILLWAY IMPROVEMENTS
DALLAS,TEXAS
Table 3
Slope Stability Analysis Results
Slope Tested
Friction Angle
Shear Strength
C (Psf)
Factor of
Welty
EAstin 2.5:1
90
300
1.231
With 5 feet of added fill 3.2:1
90
300
1.334
With 10 feet of added fill 4:1
90
300
1.510
The stability analysis does not address shallow surtaoes slides which are still likely to
continue on surfaces of slopes steeper than 3.5:1. These shallow slides will have little
effect on the channel walls through added lateral pressure. Likewise, if the walls are
designed for a 2 -foot surcharge, this will cover additional loading caused from slides.
However, if the shallow slides cause large piles to form behind the walls, lateral
pressures will increase. To minimize this possibility a maximum slope of 4:1 is
� w,--1. i ,
Site Clearing and Grubbing All landscaping materials, concrete, and foundation
materiels that exist within the proposed limits of constnion, unless specifically
designated to remain, should be removed and properly disposed of at the beginning of
construction. Care should be taken during this operation to reduce damage to areas
outside the limits of construction.
General Excavation and Fill: After completion of site clearing and grubbing, general site
excavation operations may begin. Precautions should be taken during these
operations to prevent damage to adjacent structures. 0
12
IIM &Tm 6nhmmirft a Assoc.. iia
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
Excavations for the foundations should be rformed in a manner as to ensure proper
Pe P Pe
drainage and areas that pond water are not created. Finished cut surfaces should be
smooth and free irregular surface changes.
If unexpected conditions that appear different from those described in this report are
observed, MAs -TEK shall be notified immediately to verify design assumptions and
make any necessary changes to these recommendations.
On -site materials or similar may be used for general fill. Suitable fill must be free of
organic matter and other deleterious material. Fill should be processed using
shespfoot or other mechanical means appropriate for highly plastic clay. Equipment
should be capable of processing the planned fill materials to meet the specified
compaction requirements. Equipment should be capable of processing the planned fill
materials to meet the specified compaction requirements. Caution must be used when
oompacting against below the channel, not to over compact and add excess lateral load
to the wall.
Fill should be placed in successive horizontal layers not to exceed 6 inches loose
measure. The maximum particle size or clods of soil should be no greater than four
inches in maximum dimension. The clay fill shall be moisture conditioned to achieve
the proper moisture content prior to compaction. Should the compacted surface of a
successive lift be too smooth to bond properly with succeeding lifts, or should a lift be
allowed to dry prior to placement of the next lift, it shall be loosened, moisture added,
and recompacted before placement of the successive lift. Should the fill become too
wet or should a lift be found to have a moisture content that exceeds specification, the
0 fill should be harrowed or scarified and allowed to dry until the moisture content meets
Is
AUS-TAK fih9h Wfft a ANW., sm
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
specification. Compaction control and the size of compaction equipment should be well
regulated during construction as to not induce excess lateral pressure on walls.
All on -site soils used for fill should be compacted to no less 92 percent and no more
than 98 percent of the maximum dry unit weight was obtained in the Standard
Compaction Procedure, ASTM D -D698, at a moisture content not less than optimum
and not greater than 4 percent above optimum.
Field density tests should be performed on each lift of fill. A moisture /density
relationship test (Standard Compaction, D$98) should be performed at a minimum of
one test per each material type. A Liquid And Plastic Limit test should be performed
with each moisture /density relationship test.
If imported structural fill is required, it should consist of "select" non-expansive,
p q P
imported, fill. Select fill shall consist, of select materials being a clayey sand that is
inorganic, predominantly granular and conforms to the following:
1. Liquid Limit less than 36;
2. �,igj,ticity Index no less than 4 and not greater than 12, and;
3. Minimum 50 percent retained on the No. 200 sieve.
This fill should be compacted to a minimum of 95 percent of the maximum dry unit
weight in accordance with Standard Compaction ASTM D -698, but not more than 100
percent of the maximum. Granular retaining wail backf:ll should be compacted to a
minimum of 75 percent relative density as obtained from AS1W D -698 and D -4254.
Trench Excavation and Backfll: The following recommendations do not.apply to
sections of 1he deicing fluid coffec Lion lines constructed by methods other than.open
14
Mas -TEx EfthsoWng a Assw-, Inc.
•
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS, TEXAS
cut. Historically, utility lines have been the source of numerous problems in expansive
soils. Problems generally result from either, granular backfill providing a route for
moisture to gain access to the expansive soils under structures, foundations, and
pavements, or from granular backfill acting as a ponding area for excessive moisture. It
is therefore, very important to limit these possible occurrences through selection of the
backfill materials and with thorough constriction monitoring and testing. Within 5 feet
of all buildings, backfill for all utility trenches within the pipe zone, that zone from the
bottom of the trench to not more than B inches above the top of the pipe, conduit, or
other utility, should consist of select fill or site excavated soil backfill in accordance with
the above. This zone will serve as a partial plug against water migration from the more
granular utility baddill to under the structure. Because of the confined spaces, hand
compaction equipment is required when back filling within a utility trench. Backfill
4.9 Moisture Control
In addition to the recommendations contained above, several other measures should
be implemented to assist in controlling the amount of moisture that can become
available to the expansive clays. The most important of these measures is to ensure
positive surface water drainage away from all structures, during and after construction.
The site should be graded such that all surface water readily drains into the channel.
Areas that pond waster within the construction limits should not be created. These
procedures should be implemented to limit excessive wetting and/or drying of the
subgrade soils, thereby, limiting development of shrinkage cracks or zones of
substantial swelling. Bedding sand and/or granular fill or backfill should not be used for
any purpose, unless specifically permitted in this report.
15
SfA&Tles EnelnNrft 6 Ass=, Inc.
r
NORTH LAKE DAM SPILLWAY IMPROVEMENTS
DALLAS,TEXAS
5.0 CLOSURE 0
The analyses and recommendations contained in this report are based on the data
obtained from the three borings drilled, the laboratory testing performed. The report
can not and does not reflect specific variations of subsurface conditions across the site.
The report has been prepared for the speck use of TUElectric, Dikita Engineering,
Inc., and their designated agents to assist in the design and preparation of the
proposed project contract documents (plans and specifications). The report is intended
for use for the specific project identified herein and is not applicable to any other
project, site, or structure. Any changes from that information available at the time of
preparation of this document should be brought to the attention of MAs -TEK
Engineering & Associates, Inc., so that we may evaluate the impact of such changes on
the conclusions and recommendations provided. All phases of construction should be
observed by qualified personnel to monitor the quality of workmanship, and MAS -TEK 40
Engineering & Associates, Inc., should be retained to perform all construction materials
testing and observation to review compliance with the contract plans and specifications,
as well as, conformance with the recommendations contained herein.
16
Tarc Enal owing A Assoc, Inc.
t
f�
I'M
Mas -Tek Engineering - Dallas, TX
Deflects (W T%W lection C )
-1.73 0
E
IL
m
Imbed3 NWM
�0 17 Mm"
24 Uk%
�. 3 MmyW
10
20
30
40
z.3 -1. 0 25. 15
Dr
h
1.25 2.�
,�
� 1c
a 2a
43C
�j
1.25 21
Grim ve.De on -ye.De Q -C 'on
� ��1lEL'#lOII J3 �
Dam Sway meter 0-1
La enterprises
Project 6 -012 -a
North Lake - Darr Outflow Channel
MA5 -TCK Engineering & Assoc.. Inc.
Inclinometer
Results
Fmui^e 2
•
�A
•
Dc�i
Mas -Tek Engineering - Dallas, TX
..5 -1.25 0 4.25 2.A LEGEND ;.5 -1.25 0 1.23 24
W iai
3 MwM
a—a
17 Mar99
24 Mu 99
3 ------
8 Ap '99
�•
3 Ma "
10
13
De
20
25
30
35
3
10
13
20
25
30
35
- 2.-1.?3 h�0D x.25 _�2.5 - 2,31.2 0 .23 ,n2.3 V e
t%ACCfi �eCtiOn�
DBIIZ SppIi�2�WSy Inclinometer 8-2
D�1ata �nterpriseS
Project 6 -012 -a
North Lake Dar' ❑utPtow Channel
MAS -TEK Engineering R Assoc.. Inc.
Inclinometer
Results
F. ure 3
Existing Slope
r- - —L — - n rr r- r_.L.. _ 9 n'-]9
Project 6-012 -a
North.Lake Dare Outflow Channel
r r rari .ariurr
MAS -7EK Engm *ring S Assoc. Inc.
Slope Stability
Analysis
Fiaur
3.2,1 Fill Slope
Project 6-012 -a
f resh Shale.
HAS -TEK Engineer -+9 6 Assoc. Inc.
Slope Stebility
Analysis
North Lake Dam Outflow Channel
Fivure 5
ti
4 :1 Fill Slope
Factor of 'Safety = 1.510
Pro jest 6 -012 -a
HAS-TEK Engrwering 6 Assoc. Inc.
Slope Stability
Analysis
North Lake Dam Outflow Channel I Roure 6'
Appendix A
LOGS OF BORINGS
ff,wT= Enpfnowft & A &,m
•
•
. Mas -Tek Engineering
& Associates, Inc.
North Lake Dam Outflow Channel
Lao ow: Near top of elope an east side of channel
CND Dlkila Engineering
Borirp i+b. &1
LOG OF BORING a Z
CW&ador. CoreTed
DINT: P. Doyle
LOWW by: J. Grady
Rolm by: S. Peatrawsky
D.a edt 313 99
Ground Elamdm cws cc p, - c 313199
Cooednabw TdW Duptlt 45 feet
Melhods - Or" W"dIr No groundwater seepage
Ddow Hollow -Stem Auger encountered during drilling.
s.rnp- -- 3" Shelby push tube, TkDot Penetration Test
comma ft 2.75" Diameter Inclinometer ad In hole at completion of drilling.
ELEV.
CMO
B�m0
Ir a
or
P.P
REC
ROD
s+""''
Material Description
N96
CLAY, bmwnllan mottled, vWto hand
UD
S-1
4.25
2.0'
UD
S-2
250
0.T
s
UD
S-3
3.50
20
CLAY. taNbrowr0gray mottled, hard, residual EFS
io
UD
54
4.5+
1.T
bedding stricture. jointed and bkmAq►
Is
UD
S-5
4.5+
1.5'
L_L20
]I
A Fi+
UD - Undisturbed Tube Sample NX - Rack Core, NX-size
SS - Standard Penetration Teat (Split Spoon) CP - TexDQT Cone Penetration Ted
Mae -Tek Engineering
Soft ce. &1
& Associates, Inc.
LOG OF BORING
and 2 2
North
Rat Lake Dam Outflow Channel
J.
�� W. Grady
Locom: Near top of slope on east side of channel
RwAwaw. w. S. Peatrowsky
cwnt Oft lUenserirg
Tom o.pus 45 fed
Sa�npes alowo
°ems No. REC ROD Syn
P.P.
Material Description
CLAY, same as above
25 UD 8-7 4.5+
r r
SHALE (EFS), buggmiy, weathered. soft
rr
r
rr
rr
90 UD 8-6 45+
=-
SHALE (EFS), dark gray, fresh, wit to medium
e3 CP 1 100x1.0" —=
1001 ==
40 CP 2 1.2fr —=
_-
Total Depth- 4S feet
ISO
UD - Undisturbed Tube Sample
NX - Rods Coro, NX-de
SS - Standard Penebuffon Test (Split Spoon)
CP - TexDOT Cone Pene vlon Test
•
•
Mae -Tek Engineering LOG OF BORING " "-2
Associates, Inc. I sheet 1 of 2
Prole# North Lake Dam Outflow Channel c readar CoreTest
arft r. P. Doyle
Loeatiort: Near top of slope on west side of channel L� W. J. Grady
C"Mt: Dll to Engineering RaMawad w. S. Peabanky
Data wart 313199
OraUrrd ElwaHn Dab cmq*w 3131'89
cowdrdi : TOW Dopft 45 feet
MOW& - °1O1 16m"r No groundwaterseepage
arst„w Hollow -Stem Auger encountered during drilling.
ssr oka 3" Shelby push tube. Tsaot Penetratlon Test
caw wft 2.75" Diameter inclinometer set In hole at completlon of drilling.
L.g"Nobw
UD - Undisturbed Tube Sample NX - Rock Core, NX -stae
SS - Standard Penetration Teat (Spilt Spoon) CP - TexDOT Cone Penetration Ted
or
R6C
ROD
Material Description
REV.
mpm
TW
ft
P.P
CLAY. tanlbrown/gray mottled, sK residual EFS
UD
S-1
1.76
2.Ir
bedding structure, jointed and blocky
UD
S-2
3A
ox
s
r r
SHALE (EPS). tanlgray, weathered, soft
UD
8-3
4.6+
2A'
rr
r
r
-=
SHALE (EFS), dark gray, firesh, soft to medium hard
io
UD
8-4
4.5+
1.5'
=-
UD
S-5
4.5+
—_
15
CP
1
10011.0"
1.5'
=-
==
L.g"Nobw
UD - Undisturbed Tube Sample NX - Rock Core, NX -stae
SS - Standard Penetration Teat (Spilt Spoon) CP - TexDOT Cone Penetration Ted
Mas -Tek Engineering LOG �F BARING � � B-2 Associates, Inc. shad 2 of 2
Pq.ct North Lake Dam Outflow Channel uww br. J. Grady
Locaon: Near top of slope on west aide of channel ROWmW W. S. PealroWdcy
cleat D1klta Engineering Tom Depth: 35 filet
sa"'ples elowe
' Depth '[jlpe No. REC RQD a".
�P Material Description
SHALE (EFS), dark gray, *mh. soft to medium hand,
same as above
25 CP 3 100110 --
1001
30 CP 4 1.25"
—=
Total Depth - 35 feet
45
50
UWAMOWE
UD - Undisturbed Tube Sample NK - Rods Coro, NX else
88 - Standard Penetration Test (Split Spoon) CP - TwOOT Cone Penetration Teat
Mas -Tek Engineering
WrV No. WB-1
LOG OF BORING
& Associates, Inc.
Street 1 of 1
Project: North Lake Dam Outflow Channel
Contractor. CoreTest
Driller: P. Doyle
Location: Behind east wall of channel near Sta. 1 +00
Lopped br. J. Grady
Meet: Dikita Engineering
RvAmed br, S. Peatrowsky
Date start: 3!3!99
Ground Elevation:
Date Complete: 3%3/99
Coordinates:
Total Depth: 6 feet
Methods -
Groundwater: No groundwater seepage
DaIng: Hollow -Stem Auger
encountered during drilling.
sampinp: 3" Shelby push tube, TxDot Penetration
Test
comments: 2.75" Diameter inclinometer set in hole at completion of drilling.
Samples
Slows
or
REC
RQD
Sym.
Material Description
ELEV.
Depth
Type
No.
P P
UD
S-1
3.25
CLAY, brown, stiff
UD
S-2
3.0
UD
UD
S-3
S-4
3.0
3.5
SHALE FS tan/gray. weathered- soft
5
UD
S -5
4.5+
_
=
SHALE FS
UD
8-6
1 4.5+
1
-
Total Depth - 6 feet
10—
15
ZO
UD - Undisturbed Tube Sample
NX - Rack Core, NX -size
SS - Standard Penetration Test (Split Spoon)
CP - TexDOT Cone Penetration Test
•
•
•
Mas -Tek Engineering LOO OF BORING " we-z
Associates, Inc. I e" 1 or 1
Pro}at North Lake Dam Cutllow Channel c rdrvoroc CoreTed
DAW. P. Doyle
umdon: Behind weal wall of channel near Ste. 2+50 � W. J. day
Ow t Dikita Engineering RoWmd W. S. Peatrowsky
Drs awt 3/3199
Ground Mad= ode conpew 3/3199
ooadrffiftr Tom NOE 5 feet
Whods- ernia7ei' "r No groundwater seepage
Ddmw Hollow -Stem Auger encountered during drilling.
snnpkw 30 Shelby push tube, TWO Penetration Test
comwft 2.75" Diameter inclinometer set In hole at completion of drilling.
ELEV.
DWM
sornon
eroMe
or
P .P
REc
uao
Material Description
;
7PW
UD
8-1
CLAY, brown, still
UD
8-2
UD
S-3
UD
S-4
s
JjQ-
SA
- =
SHALE (EFS). dark gray, fresh, soft to medium hard
Total Depth - 5 feet
so
1s
20
UD - Undlsturbed Tube Sample NX - Rod* Con, NX oke
SS - Standard Penetration Tilt (SpR Spoon) CP - TexDOT Cone Penetration Test
Mas -Tek Engineering LOG OF BORING � w�-a
& Associates, Inc. sr,eet 1 or 1
Project: North Lake Dam Outflow Channel
Contractor.
CoreTest
a'°'Ne
Dahw..
P. Doyle
Location: Center line through base of channel near Sta. 4 +50
LQWW W
J. Grady
Qv t: Dikita Engineering
Reviewed W.
S. Peatrowsky
Type
Dare start:
313199
Ground Elevation:
Dam Compow.
3131'99
Coordinates:
Tote) Depth:
5 feet
Meo,ads -
Groun"arer:
No groundwater seepage
Daiwa. Hollow -Stem Auger
encountered during drilling.
sampung: 3" Shelby push tube
canmerts: 2.75" Diameter inclinometer set in hole at completion of drilling.
E.ependrNotes:
UD - Undisturbed Tube Sample NX - Rock Core, NX -size
SS - Standard Penetration Test (Split Spoon) OP - TexDOT Cone Penetration Test
•
samples
a'°'Ne
REC
ROD
S m.
Material Description
ELF
�
Type
No.
P.P
.'
CONCRETE SLAEJ 1 foot thick
=-
SHALE (EFS), dark gray, fresh, soft to medium hard
UD
S-1
5
-
Total Depth - 3 feet
�a
15
20
1
1
1
r
E.ependrNotes:
UD - Undisturbed Tube Sample NX - Rock Core, NX -size
SS - Standard Penetration Test (Split Spoon) OP - TexDOT Cone Penetration Test
•
�J
•
ROCK
HARDNESS
Term
KEYS TO TERMS
Vary Hard
Carrot be scratched with Imih or
Slightly WVGW red
sharp pick. Breaking of hand
3.10 R
specimens requires several hard
1-3 R
blows from a hammer.
Hard
Can be scratched with knife with
.5" -T
difficulty. Hard blow of hammer
-C.5'
required to detach a hand sPadrnan
Modwdsly Hard
Can be watched with knife. Gouges
Smooth
or grooves of 114 deep can be
Completely weathered
excavated by hard blow of Pick.
Very Dense
Hand specir.m. can be datscload by
'm40
a moderate blow.
Medium
Can be grooved or gouged 114 deep
by rich pressure an knife. Can be
by finger prassurs
e cavated in small dip to places
340
appram l' in nm& u m airs with hod
blare.
SoR
Can be gauged or graorrb readily
by Pencil point
with knife. Can be excavated In chops
to piscea several inches in aft by
rnoderata beaus. Smd, Itln places
xen ba broken by forager pleasure.
Very Soft
Can by carved with a knife. Can be
ma: orated readily with Point of Pkk
Pieces of 1' or more in fhiclo can
be broken by Anger pressure.
Readily scratched with Angernd.
DEGREE OF WEATHERING
Term
Fresh
No visible sign of weathering.
Slightly WVGW red
Penetrative wasihering dewl0pod on
3.10 R
open discontinuity surfaces, but only
1-3 R
slight wanihering of cock material.
Moderately Wm*mrad
Weeherkg eomends hroughorit the
.5" -T
rock mass, but the rack material is
-C.5'
not friable.
Highly Weathered
Weathering extends throughout the
Smooth
mdk mess and the rack rnatariat 4
Completely weathered
partially friable.
Rack is wholly decomposed and In ■
Very Dense
friable conaitlan but the rock texture
'm40
and structure ars preserved
Residual Soil
A soil nimm el with the origirnl
twdurs. structure. and morm sk W of
by finger prassurs
he rock completely deWoyad.
PLANAR FEATURES
spacing
BoddbV Fractures
P-10 It
num" Very wide
3.10 R
thick *1100
1-3 R
rnedrum moderately ckns0
1" -1 R
thin close
.5" -T
very thin very dose
-C.5'
kn*latad srdrenrety does
SURFACE ROUGHNESS
Term
Very Rough
Now vertical steps 8 ridges of
Term
dleoontlnufly surface
Rough
Same ridges and s;deargls steps
(aoprox.)
are evident asperities we clearly
Very uA
visible; surface feels very abrasive
Slightly Rough
Asperities on the discontinuity
15-35
surfaces are dble and can
Mecum
be hest
Smooth
Surface appears an mu
Sk*wmidad
Evidence of polishing and movement
Very Dense
are visible
SOIL
QUANTITY
Term Ap mK Percentage
bate 0 to 15
same 15 t0 35
with 351040
Occasional Intermittent commence, no
spscifc frequency
DENSITY OF GRANULAR SOIL
Term
Relative 0analty , 96
n -Value
SoR
(aoprox.)
Easily.. by
Very uA
0-15
2-3
Loome
15-35
47
Mecum
35.85
9-20
Danes
8585
21.0
Very Dense
45
'm40
STIFFNESS OF COHESIVE SOIL
Term
Pocket Pen
Field AopraorRnadon
SoR
40.5
Easily.. by
fingers
Frm
05.1.5
MMM by "I r
pressure
Siff
1.5.3.0
Dented by finger
pressure
Very stiff
9.040
Dented only dW try
by finger prassurs
Hard
340
Dented only slightly '
by Pencil point
PARTICLE SIZE
Term Rams MIX Skive
gpWdM a 1 Z
Cobbles 1?
Gravel gars* 3"
medium 3f4
Sand xa0aras #4
medum #10
fine aw10
Fines 51200
(alt a clmy)
•
Appendix B
LABORATORY TEST RESULTS
AA&Tm Bm*mwdm a Aar, Mc.
.4 ..,
•
•
•
Results of Laboratory Testing - Soil
Table 1
North Lake Dam Spillway
Dallas, Texas
Project No. 6-012-a
Baring
Depth
(fee!)
Sample
Number
Moisture
Content
Liquid!
Plastid
PI
Unit Dry
Weight
(pcfj
Percent
Passing
s200
sieve
Unconfined
Compressive
Strength
B-1
0-2
S-1
23.7
59x21138
93.3
89.2
2,990
13-1
2-4
S2 1
27.7
B-1
4-8
8-3
29.8
B-1
8-10
S-4
23.2
B-1
14-15
8-5
24.8
73136146
101.8
9,250
B-1
19.20
S•8
22.8
B-1
28.25
8-7
24.5
99.8
8 750
B-1
29-30
S43
20.2
B-2
0-2
S-1
28.3
B-2
2-4'
S2
27.9
B-2
4.8
8-3
21.8
58!19137
99.1
B-2
9-10
S4
19.9
108.8
3,410
B-2
13-14
S-5
18.7
WB-1
0.1
S-1
25.5
WB-1
12
82
34.9
1 74127/47
98.2
WB-1
2-3
S-3
33.7
WB-1
3-4
S.4
33.5
1 67!29/33
83.7
1,750
WB-1
4-5
S-5
22.9
WBA
5.8
S-6
23.8
AB-2
0-1
8-1
21.5
WB-2
1 -2
6-2
24.0
WB-2
1 2-3
S,3
25.8
85/22/43
97.0
3,720
WB-2
3-4
S-4
25.1
WB-2
4-5
S-5
24.5
58/23135
97.6
87.8
2,470
WB-2
541
S45
28.2
WB-3
1 -2
8-1
21.8
WB-3
2-3
8-2
24.3
Page 1 of 3
Ken Griffin - R F Access Agreement
From: John Rutledge <JLR9freese.com>
To: Ken Griffin <kgriffingcoppe11tx.gov>
Date: 11/29/2011 5:10 PM
Subject: RE: FW: Access Agreement
A Boring Location Plan.pdf
This is the revised boring plan. We have moved Boring B -1 closer to the spillway road to avoid the irrigation
line. We kept the original location of Boring B -2 after looking at the drawings. It appears we will miss the low
flow outlet pipe by 100+ feet. The location of Borings B -3 and B -4 remains unchanged.
We'll have to check on the insurance. They would be a sub to us, so there is at least some coverage through
that.
Would it be possible for us to get approval for the environmental inspection now and then continue with this
stuff since the drilling will still be a while from now? We thought this would save time to get both, but this is
really holding up what we're authorized to do.
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
kdin 9r[!IF
Md
Fromm. Ken Griffin [mai Ito: kgrmiffin@coppel Itx.gov]
Sent: Tuesday., November 29., 20114:30 PM
Too. John Rutledge
Subject: Fwd: FW: Access Agreement
John
I know this is dragging on. It seems like everyday there is another request from Luminant. This is the
latest. They are requesting the name and insurance information on the drilling subcontractor,, I was
also copied on an email yesterday where they were requesting that the bore locations be revised.
Given the latest requests, do you have any timetable on when the requested information will be
provided to Luminant?
Thanks,
Ken Griffin
fii1e: //C: \Documents and Settings \lhenderson \Local Settings\Temp\XPGrrpWise\4ED5121A... 3/5/2012
Page 2 of 3
>>> Robert Hager <Rhager @njdhs.com> 11/23/2011 2:13 PM >>>
Fromm. Marsh, Lila [mailto:lmarsh@velaw-coml
Sent: Wednesday, November 23., 2011 11:34 AM
Too. Robert Hager
Cc: McInroe, Patrick
Subject: Access Agreement
Bob, Luminant is reviewing Freese & Nichol's proposal regarding the boring on the dam. I'd like to tie up as
many loose ends as possible in the meantime. Could you please provide me the name of the subcontractor that
Freese &Nichols proposes to use for the boring and ask the subcontractor to submit a certificate of insurance
(naming Luminant as an additional insured) for Luminant's review and approval?
Please let me know if you have any questions.
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding federal
taxes,
that statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis
for avoiding
federal tax penalties that may be imposed on that person, or (ii) to promote, market or recommend to another
party
any transaction or matter addressed herein.
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flile: //C: \Documents and Settings \lhenderson \Local Settings\Temp\XPGrrpWise\4ED5121A... 3/5/2012
(3/5/2012) Ken Griffin - FW: FW: Access Agreement Page 1
From: John Rutledge <JLR @freese.com>
To: "Ken Griffin (kgriffin@coppelltx.gov) If <kgriffin @coppelltx.gov>
Date: 11/30/2011 9:14 AM
Subject: FW: FW: Access Agreement
Attachments: Ins Cert GL AL UL WC PL.pdf; imageOO1.gif
Attached is a copy of the insurance for the driller. We don't have authorization so we haven't contracted
with them yet or asked them to add Luminant as an additional insured. We can commit to doing that when
the time comes. What's the best way to handle it?
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817- 735 -7284
jlr @freese.com
[cid:imageOO1.gif@Ol CCAF3E.569EE9BO]
From: Tony Bosecker
Sent: Wednesday, November 30, 2011 9:05 AM
To: John Rutledge
Subject: FW: FW: Access Agreement
John,
I planned on using Texplor to perform the drilling at North Lake. Their insurance certificate is attached but
they will need a specific insurance certificate that names Luminant as an additional insured (see below
from Susie). I am not sure how this all works since we do not have approval yet and our contract is not
with Luminant. How do you want to proceed?
Thanks,
Tony Bosecker, P.E.
Geotechnical
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109 -4895
817 - 735 -7387 office
817 - 917 -9370 mobile
817 -735 -7483 fax
www.freese-com<http://www.freese.com>
[cid:imageOO1.gif@Ol CCAF3E.569EE9BO]
From: Susie Johnson
Sent: Wednesday, November 30, 2011 8:59 AM
To: Tony Bosecker
Subject: RE: FW: Access Agreement
Tony,
(3/5/2012) Ken Griffin - FW: FW: Access Agreement Page 2
Yes we have a certificate on file for Texplor. We will need to ask them to provide a certificate specifically
naming Luminant as an additional insured which is why we would do a sub agreement (it attaches the
Luminant Agreement and requires that they produce said certificate). Can I start something to get this
process going?
From: Tony Bosecker
Sent: Tuesday, November 29, 2011 5:21 PM
To: Susie Johnson
Subject: FW: FW: Access Agreement
Susie,
See below. Do you have a copy of Texplor's insurance certificate /info? Are they equipped to add
Luminant as an additional insured?
Thanks,
Tony Bosecker, P.E.
Geotechnical
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109 -4895
817 - 735 -7387 office
817 - 917 -9370 mobile
817 - 735 -7483 fax
www.freese-com<http://www.freese.com>
[cid:imageOO1.gif@Ol CCAF3E.569EE9BO]
From: John Rutledge
Sent: Tuesday, November 29, 2011 5:12 PM
To: Tony Bosecker
Subject: FW: FW: Access Agreement
We don't even have approval for this yet, but we need an insurance certificate for whichever driller you
want -one that has some - naming Luminant as an additional insured.
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
j
[cid:imageOO1.gif@Ol CCAF3E.569EE9BO]
From: Ken Griffin [mai Ito: kg riffi n@coppelltx.gov]<mai Ito: [mai Ito: kg riffi n@coppel ltx.gov]>ppelltx.gov]>
Sent: Tuesday, November 29, 2011 4:30 PM
To: John Rutledge
Subject: Fwd: FW: Access Agreement
(3/5/2012) Ken Griffin - FW: FW: Access Agreement Page 3
John
I know this is dragging on. It seems like everyday there is another request from Luminant. This is the
latest. They are requesting the name and insurance information on the drilling subcontractor. I was also
copied on an email yesterday where they were requesting that the bore locations be revised.
Given the latest requests, do you have any timetable on when the requested information will be provided
to Luminant?
Thanks,
Ken Griffin
»> Robert Hager < Rhager@ njdhs .com <mai Ito: Rhager @njdhs.com» 11/23/2011 2:13 PM »>
From: Marsh, Lila [mai Ito: I marsh @velaw. com]< mai Ito: [mai Ito: I marsh @velaw. com] >
Sent: Wednesday, November 23, 2011 11:34 AM
To: Robert Hager
Cc: McInroe, Patrick
Subject: Access Agreement
Bob, Luminant is reviewing Freese & Nichol's proposal regarding the boring on the dam. I'd like to tie up
as many loose ends as possible in the meantime. Could you please provide me the name of the
subcontractor that Freese &Nichols proposes to use for the boring and ask the subcontractor to submit a
certificate of insurance (naming Luminant as an additional insured) for Luminant's review and approval?
Please let me know if you have any questions.
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
I marsh @velaw. com <blocked:: mai Ito: I marsh @velaw. com >
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding
federal taxes,
that statement was not written or intended to be used, and
for avoiding
federal tax penalties that may be imposed on that person,
another party
any transaction or matter addressed herein.
it cannot be used, by any person (i) as a basis
or (ii) to promote, market or recommend to
(3/5/2012) Ken Griffin - FW: FW: Access Agreement Page 4
CONFIDENTIALITY NOTICE: The information in this email may be confidential and /or privileged. This
email is
intended to be reviewed by only the individual or organization named above. If you are not the intended
recipient or an
authorized representative of the intended recipient, you are hereby notified that any review,
dissemination or copying
of this email and its attachments, if any, or the information contained herein is prohibited. If you have
received this
email in error, please immediately notify the sender by return email and delete this email from your
system.
Thank You.
Please consider the environment before printing this message.
This electronic mail message is intended exclusively for the individual or entity to which it is addressed.
This message, together with any attachment, may contain the sender's organization's confidential and
privileged information. The recipient is hereby notified to treat the information as confidential and
privileged and to not disclose or use the information except as authorized by sender's organization. Any
unauthorized review, printing, retention, copying, disclosure, distribution, retransmission, dissemination or
other use of, or taking of any action in reliance upon, this information by persons or entities other than the
intended recipient is prohibited. If you received this message in error, please immediately contact the
sender by reply email and delete all copies of the material from any computer. Thank you for your
cooperation.
OP ID
ACORO CERTIFICATE OF LIABILITY INSURANCE TEXPL -1
DATE (MM /DDIYYYY)
12/29/10
PRODUCER
West Texas Insurance Exch, Inc
1000 Maple Avenue
Odessa TX 79761 -2810
Phone: 432 - 333 -4106 Fax: 432 - 333 -6803
THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATIO
ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE
HOLDER. THIS CERTIFICATE DOES NOT AMEND, EXTEND OR
ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW
INSURERS AFFORDING COVERAGE
NAIC #
INSURED
TeXppfor of Dallas, Inc.
P. D. Box 793928
Dallas TX 75379
INSURER A: United Fire & Casualty Group
•
INSURER B: Texas Mutual Insurance Company
GENERAL LIABILITY
X COMMERCIAL GENERAL LIABILITY
CLAIMS MADE L] OCCUR
INSURER C: ROckhill Ins. Co.
01/01/11
INSURER D:
EACH OCCURRENCE
INSURER E:
PREMISES(Eaoccurence)
COVERAGES
THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED. NOTWITHSTANDING
ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MAY BE ISSUED OR
MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH
POLICIES. AGGREGATE LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS.
LTR
NSR
TYPE OF INSURANCE
POLICY NUMBER
POLICY EFFECTIVE
DATE MMIDDIYY
POLICY EXPIRATION
DATE MMIDD/YY
LIMITS
•
GENERAL LIABILITY
X COMMERCIAL GENERAL LIABILITY
CLAIMS MADE L] OCCUR
85034021
01/01/11
01 /01/12
EACH OCCURRENCE
$1,000,000
PREMISES(Eaoccurence)
$100,000
MED EXP (Any one person)
$5,000
PERSONAL SADVINJURY
$1,000,000
GENERAL AGGREGATE
$2,000,000
GEN'L AGGREGATE LIMIT APPLIES PER:
X POLICY PRO-
JECT LOC
PRODUCTS - COMP /OPAGG
$2,000,000
•
AUTOMOBILE
LIABILITY
ANYAUTO
ALL OWNED AUTOS
SCHEDULED AUTOS
HIRED AUTOS
NON -OWNED AUTOS
85034021
01/01/11
01/01/12
COMBINED SINGLE LIMIT
(Ea accident)
$1,000,000
X
BODILY INJURY
(Per person)
$
BODILY INJURY
(Per accident)
$
PROPERTY DAMAGE
(Per accident)
$
GARAGE LIABILITY
ANY AUTO
AUTO ONLY - EA ACCIDENT
$
OTHER THAN EA ACC
AUTO ONLY: AGG
$
$
•
EXCESS /UMBRELLA LIABILITY
X OCCUR El CLAIMSMADE
DEDUCTIBLE
X RETENTION $10,000
85034021
01/01/11
01/01/12
EACH OCCURRENCE
$1,000,000
AGGREGATE
$1,000,000
$
$
•
WORKERS COMPENSATION AND
EMPLOYERS'LIABILITY
ANY PROPRIETOR/PARTNER/EXECUTIVE
OFFICER/MEMBEREXCLUDED?
If yyes, describe under
SPECIAL PROVISIONS below
TSF0001197008
01/01/11
01/01/12
X TORY LIMITS ER
E.L. EACH ACCIDENT
$1000000
E.L. DISEASE - EA EMPLOYE
$1000000
E.L. DISEASE - POLICY LIMIT
$1000000
C
OTHER
Contractor's
Pollution
RENEWAL OF
RCPLE00113801
01/01/11
01/01/12
Limit $1,000,000
Deductibl $5,000
DESCRIPTION OF OPERATIONS I LOCATIONS I VEHICLES I EXCLUSIONS ADDED BY ENDORSEMENT I SPECIAL PROVISIONS
Drilling NOC, Blanket waiver of subrogation and additional insured provided
on general, auto & umbrella liability as required by written contract.
Blanket waiver of sub on workers comp as required by written contract.
CERTIFICATE HOLDER CANCELLATION
FREE-06 SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION
DATE THEREOF, THE ISSUING INSURER WILL ENDEAVOR TO MAIL 10 DAYS WRITTEN
NOTICE TO THE CERTIFICATE HOLDER NAMED TO THE LEFT, BUT FAILURE TO DO SO SHALL
Freese & Nichols, Inc. IMPOSE NO OBLIGATION OR LIABILITY OF ANY KIND UPON THE INSURER, ITS AGENTS OR
4055 International Plaza, #200 REPRESENTATIVES.
Fort Worth TX 76109 Au o REP rarlvE
ACORD 25
IMPORTANT
If the certificate holder is an ADDITIONAL INSURED, the policy(ies) must be endorsed. A statement
on this certificate does not confer rights to the certificate holder in lieu of such endorsement(s).
If SUBROGATION IS WAIVED, subject to the terms and conditions of the policy, certain policies may
require an endorsement. A statement on this certificate does not confer rights to the certificate
holder in lieu of such endorsement(s).
DISCLAIMER
The Certificate of Insurance on the reverse side of this form does not constitute a contract between
the issuing insurer(s), authorized representative or producer, and the certificate holder, nor does it
affirmatively or negatively amend, extend or alter the coverage afforded by the policies listed thereon.
ACORD 25 (2001/08)
Page 1 of 2
Ken Griffin - RE: access agreement
From:
Ken Griffin
To:
Lila Marsh
Date:
11/30/20112:33 PM
Subject:
RE: access agreement
The contact person for Freese and Nichols is:
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
,�l freese.com
Ken Griffin, P. E., CFM
Director of Engineering &Public Works
972- 304 -3686
k "Marsh, Lila" <lmarsh @velaw.com> 11/30/2011 12:48 PM »>
Clay and Bob, could you please send me the name and email address for the contact person for Freese and Nichols to be inserted into the Access
Agreement?
Lila C. Marsh
Counsel
Vinson & Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
ImarshC@-velaw.com
0
From: McInroe, Patrick [mai Ito: Patrick. Mcinroe@luminant.com]
Sent: Wednesday,, November 30, 2011 12:07 PM
To: Clay Phillips
Cc: rhager @njdhs.com; Marsh,, Lila
Subject: RE: access agreement
Sure -it's essentially the agreement draft before the inclusion of any boring activity, just leaving in the visual inspection(s). Lila -you agree?
Regards,
PJ M
From: Clay Phillips [ mailto:cphillips @coppelltx.gov]
Sent: Wednesday,, November 30, 2011 12:08 PM
To: McInroe, Patrick
Cc: rhager @njdhs.com
Subject: access agreement
Patrick,
Freese &Nichols would like to expedite their visual inspection of the property to begin any permitting processes that might be necessary to make any changes to the
dam, spillway, etc... They are willing to hold off on the borings until a later date. Would this approach simplify the process to finalize the access agreement since no
borings would be included in the initial agreement. Thanks!
Clay
Confidentiality Notice: This email message, including any attachments, contains or may contain confidential information intended only
for the addressee. If you are not an intended recipient of this message, be advised that any reading, dissemination, forwarding, printing,
file: //C: \Documents and Settings \lhenderson \Local Settings\Temp\XPGrpWise\4ED63 EBB* 0 0 3/5/2012
Page 2 of 2
copying or other use of this message or its attachments is strictly prohibited. If you have received this message in error, please notify the
sender immediately by reply message and delete this email message and any attachments from your system.
<HTML > <BODY > <small > <HR>
<b >Treasury Circular 230 Disclosure: < /b> To the extent this communication contains any statement regarding federal taxes, <br> that
statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis for avoiding <br> federal tax penalties
that may be imposed on that person, or (ii) to promote, market or recommend to another party <br> any transaction or matter addressed
herein. <br>
<br>
<b >CONFIDENTIALITY NOTICE: < /b> The information in this email may be confidential and /or privileged. This email is <br>
intended to be reviewed by only the individual or organization named above. If you are not the intended recipient or an <br> authorized
representative of the intended recipient, you are hereby notified that any review, dissemination or copying <br> of this email and its
attachments, if any, or the information contained herein is prohibited. If you have received this <br> email in error, please immediately
notify the sender by return email and delete this email from your system. <br>
<HR >< /small > < /body > < /html>
flile: / /C: \Documents and Settings \lhenderson \Local Settings\Temp\XPGrpWise\4ED63 EBB* 3/5/2012
Page 1 of 3
Ken Griffin - RE:* F Access Agreement
From:
Ken Griffin
To:
John Rutledge
Date:
11/30/20112:36 PM
Subject: RE: FW: Access Agreement
John
We have asked Luminant to expedite the onsite visual inspection. They have indicated that it shouldn't
be a problem. I provided your contact information to:
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
She is making changes to the agreement. You maybe contacted by her.
Ken Griffin
>>> John Rutledge <JLR @freese.com> 11/29/2011 5:07 PM >>>
This is the revised boring plan. We have moved Boring B -1 closer to the spillway road to avoid the irrigation
line. We kept the original location of Boring B -2 after looking at the drawings. It appears we will miss the low
flow outlet pipe by 100+ feet. The location of Borings B -3 and B -4 remains unchanged.
We'll have to check on the insurance. They would be a sub to us, so there is at least some coverage through
that.
Would it be possible for us to get approval for the environmental inspection now and then continue with this
stuff since the drilling will still be a while from now? We thought this would save time to get both, but this is
really holding up what we're authorized to do.
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
kdin 9r[!IF
Md
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED63F7B... 3/5/2012
Page 2 of 3
Fromm. Ken Griffin [mai Ito: kgriffi n@coppel ltx.gov]
Sent: Tuesday., November 29., 20114:30 PM
Too. John Rutledge
Subject: Fwd: FW: Access Agreement
John
I know this is dragging on. It seems like everyday there is another request from Luminant. This is the
latest. They are requesting the name and insurance information on the drilling subcontractor,, I was
also copied on an email yesterday where they were requesting that the bore locations be revised.
Given the latest requests, do you have any timetable on when the requested information will be
provided to Luminant?
Thanks,
Ken Griffin
>>> Robert Hager < 11/23/20112:13 PM >>>
Fromm. Marsh, Lila Fmailto:lmarsh@velaw.comi
Sent: Wednesday., November 23, 2011 11:34 AM
Too. Robert Hager
Cc: McInroe, Patrick
Subject: Access Agreement
Bob, Luminant is reviewing Freese & Nichol's proposal regarding the boring on the dam. I'd like to tie up as
many loose ends as possible in the meantime. Could you please provide me the name of the subcontractor that
Freese &Nichols proposes to use for the boring and ask the subcontractor to submit a certificate of insurance
(naming Luminant as an additional insured) for Luminant's review and approval?
Please let me know if you have any questions.
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding federal
taxes,
that statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis
for avoiding
federal tax penalties that may be imposed on that person, or (ii) to promote, market or recommend to another
party
any transaction or matter addressed herein.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED63F7B... 3/5/2012
Page 3 of 3
CONFIDENTIALITY NOTICE: The information in this email may be confidential and /or privileged. This email is
intended to be reviewed by only the individual or organization named above. If you are not the intended
recipient or an
authorized representative of the intended recipient, you are hereby notified that any review, dissemination
or copying
of this email and its attachments, if any, or the information contained herein is prohibited. If you have
received this
email in error, please immediately notify the sender by return email and delete this email from your system.
Thank You.
Please consider the environment before printing this message.
This electronic mail message is intended exclusively for the individual or entity to which it is addressed. This message, together with any attachment,
may contain the sender's organization's confidential and privileged information. The recipient is hereby notified to treat the information as confidential
and privileged and to not disclose or use the information except as authorized by sender's organization. Any unauthorized review, printing, retention,
copying, disclosure, distribution, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or
entities other than the intended recipient is prohibited. If you received this message in error, please immediately contact the sender by reply email
and delete all copies of the material from any computer. Thank you for your cooperation.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED63F7B... 3/5/2012
Ken Griffin - R F Access Agreement
From: John Rutledge <JLR9freese.com>
To: Ken Griffin <kgriffingcoppe11tx.gov>
Date: 11/30/20112:49 PM
Subject: RE: FW: Access Agreement
Hopefully that will work. I appreciate it
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
kdin 9r[!IF
Md
Fromm. Ken Griffin [mai Ito: kgriffi n@coppel Itx-gov]
Sent: Wednesday., November 30, 2011 2:34 PM
Too. John Rutledge
Subject: RE: FW:
John
Access Agreement
Page 1 of 3
We have asked Luminant to expedite the onsite visual inspection. They have indicated that it shouldn't
be a problem. I provided your contact information to:
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
She is making changes to the agreement. You maybe contacted by her.
Ken Griffin
>>> John Rutledge <JLR @freese.com> 11/29/2011 5:07 PM >>>
This is the revised boring plan. We have moved Boring B -1 closer to the spillway road to avoid the irrigation
line. We kept the original location of Boring B -2 after looking at the drawings. It appears we will miss the low
flow outlet pipe by 100+ feet. The location of Borings B -3 and B -4 remains unchanged.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED64294C... 3/5/2012
Page 2 of 3
We'll have to check on the insurance. They would be a sub to us, so there is at least some coverage through
that.
Would it be possible for us to get approval for the environmental inspection now and then continue with this
stuff since the drilling will still be a while from now? We thought this would save time to get both, but this is
really holding up what we're authorized to do.
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
kdin !IF
Md - M
Fromm. Ken Griffin Fmalto:kgriffin @coppelltx.gov]
Sent: Tuesday., November 29., 20114:30 PM
Too. John Rutledge
Subject: Fwd: FW: Access Agreement
John
I know this is dragging on. It seems like everyday there is another request from Luminant. This is the
latest. They are requesting the name and insurance information on the drilling subcontractor,, I was
also copied on an email yesterday where they were requesting that the bore locations be revised.
Given the latest requests, do you have any timetable on when the requested information will be
provided to Luminant?
Thanks,
Ken Griffin
>>> Robert Hager < 11/23/20112:13 PM >>>
Fromm. Marsh, Lila Fmailto:lmarsh@velaw.comi
Sent: Wednesday., November 23, 2011 11:34 AM
Too. Robert Hager
Cc: McInroe, Patrick
Subject: Access Agreement
Bob, Luminant is reviewing Freese & Nichol's proposal regarding the boring on the dam. I'd like to tie up as
many loose ends as possible in the meantime. Could you please provide me the name of the subcontractor that
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED64294C... 3/5/2012
Page 3 of 3
Freese &Nichols proposes to use for the boring and ask the subcontractor to submit a certificate of insurance
(naming Luminant as an additional insured) for Luminant's review and approval?
Please let me know if you have any questions.
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding federal
taxes,
that statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis
for avoiding
federal tax penalties that may be imposed on that person, or (ii) to promote, market or recommend to another
party
any transaction or matter addressed herein.
CONFIDENTIALITY NOTICE: The information in this email may be confidential and /or privileged. This email is
intended to be reviewed by only the individual or organization named above. If you are not the intended
recipient or an
authorized representative of the intended recipient, you are hereby notified that any review, dissemination
or copying
of this email and its attachments, if any, or the information contained herein is prohibited. If you have
received this
email in error, please immediately notify the sender by return email and delete this email from your system.
Thank You.
Please consider the environment before printing this message.
This electronic mail message is intended exclusively for the individual or entity to which it is addressed. This message, together with any attachment,
may contain the sender's organization's confidential and privileged information. The recipient is hereby notified to treat the information as confidential
and privileged and to not disclose or use the information except as authorized by sender's organization. Any unauthorized review, printing, retention,
copying, disclosure, distribution, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or
entities other than the intended recipient is prohibited. If you received this message in error, please immediately contact the sender by reply email and
delete all copies of the material from any computer. Thank you for your cooperation.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4ED64294C... 3/5/2012
Page 1 of 2
Ken Griffin - RE: access agreement
From: "Marsh, Lila" <lmarsh @ velaw.com>
To: "Ken Griffin" <kgriffin @ coppelltx.gov>
Date: 11/30/20112:51 PM
Subject: RE: access agreement
Thank you very much, Ken!
Lila C. Marsh
Counsel
Vinson & Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
ImarshC@-velaw.com
0
From: Ken Griffin [maiIto:kgriffin@coppelltx.gov]
Sent: Wednesday, November 30, 20112:34 PM
To: Marsh, Lila
Subject: RE: access agreement
The contact person for Freese and Nichols is:
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
Ken Griffin, P. E., CFM
Director of Engineering &Public Works
972 - 304 -3686
k "Marsh, Lila" <lmarsh @velaw.com> 11/30/2011 12:48 PM »>
Clay and Bob, could you please send me the name and email address for the contact person for Freese and Nichols to be inserted into the Access
Agreement?
Lila C. Marsh
Counsel
Vinson & Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
ImarshC@-velaw.com
0
From: McInroe, Patrick [mai Ito: Patrick. Mcinroe@luminant.com]
Sent: Wednesday,, November 30, 2011 12:07 PM
To: Clay Phillips
Cc: rhager @njdhs.com; Marsh,, Lila
Subject: RE: access agreement
Sure -it's essentially the agreement draft before the inclusion of any boring activity, just leaving in the visual inspection(s). Lila -you agree?
Regards,
PJ M
From: Clay Phillips [mailto:cphillips@coppelltx.gov]
Sent: Wednesday,, November 30, 2011 12:08 PM
fil .//C.\Doc m nts and S ffings\lhenderson\Local Settings\Temp\XPGrrpWise\4ED642ED... 3/5/2012
Page 2 of 2
To: McInroe, Patrick
Cc: rhager @njdhs.com
Subject: access agreement
Patrick,
Freese &Nichols would like to expedite their visual inspection of the property to begin any permitting processes that might be necessary to make any changes to the
dam, spillway, etc... They are willing to hold off on the borings until a later date. Would this approach simplify the process to finalize the access agreement since no
borings would be included in the initial agreement. Thanks!
Clay
Confidentiality Notice: This email message, including any attachments, contains or may contain confidential information intended only
for the addressee. If you are not an intended recipient of this message, be advised that any reading, dissemination, forwarding, printing,
copying or other use of this message or its attachments is strictly prohibited. If you have received this message in error, please notify the
sender immediately by reply message and delete this email message and any attachments from your system.
<HTML > <BODY > <small > <HR>
<b >Treasury Circular 230 Disclosure: < /b> To the extent this communication contains any statement regarding federal taxes, <br> that
statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis for avoiding <br> federal tax penalties
that may be imposed on that person, or (ii) to promote, market or recommend to another party <br> any transaction or matter addressed
herein. <br>
<br>
<b >CONFIDENTIALITY NOTICE: < /b> The information in this email may be confidential and /or privileged. This email is <br>
intended to be reviewed by only the individual or organization named above. If you are not the intended recipient or an <br> authorized
representative of the intended recipient, you are hereby notified that any review, dissemination or copying <br> of this email and its
attachments, if any, or the information contained herein is prohibited. If you have received this <br> email in error, please immediately
notify the sender by return email and delete this email from your system. <br>
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Page 1 of 3
Ken Griffin - RE: Access Agreement, Phase II
From: Ken Griffin
To: Lila Marsh
Date: 2/14/2012 8:52 AM
Subject: RE: Access Agreement, Phase II
CC: Bill Walker; Clay Phillips; John Rutledge
Ms. Marsh
Freese and Nichols has completed their visual inspection of the Luminant property and are currently finalizing their report. The completed
report should be provided to Vinson and Elkins L.L.P., per section 3 of the Access Agreement, in the next few days.
To keep the project moving forward, there are two critical path items that the City of Coppell need to get moving forward on. One is the
second phase of the access agreement and the other is written approval from Luminant to discuss this project with other agencies as noted
in section 4 of the Access Agreement.
In regards to the second phase of the Access Agreement, we have previously provided all information concerning the location and type of
borings to be performed onsite. If any additional information is needed please let me or John Rutledge, of Freese and Nichols, know. Our
goal is to expedite the second phase of the agreement such that we can schedule the contractor to access the site for borings in the first part
of March.
Regarding the Luminant approval, I'm unsure if you will advise them on allowing us to talk to other agencies or if we should contact
Luminant directly. Section 3 states that we should not provide information to Luminant. However, section 4 c states that we should
provide a "Disclosure Request" to Luminant prior to talking to other agencies. Part of the "Disclosure Request" will be the report that has
been prepared from the site visit, which section 3 instructs us not to submit to Luminant.
In order to expedite this project, please let me know the actual process we should follow and we will comply.
Thanks for your help,
Ken Griffin, P.E.
Director of Engineering and Public Works
»> "Marsh, Lila" <lmarsh @velaw.com> 11/30/20112:48 PM »>
Thank you very much, Ken!
Lila C. Marsh
Counsel
Vinson & Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
ImarshC@-velaw.com
0
From: Ken Griffin [maiIto:kgriffin@coppelltx.gov]
Sent: Wednesday, November 30, 20112:34 PM
To: Marsh, Lila
Subject: RE: access agreement
The contact person for Freese and Nichols is:
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
i l freese.com
Ken Griffin, P. E., CFM
Director of Engineering &Public Works
972 - 304 -3686
file: //C: \Documents and Settings \lhenderson \Local Settings\Temp\XPGrpWise\4F3A2OD4C... 3/5/2012
Page 2 of 3
kgriffingcoppelltx.gov>>> "Marsh, Lila" <lmarsh @velaw.com> 11/30/2011 12:48 PM »>
Clay and Bob, could you please send me the name and email address for the contact person for Freese and Nichols to be inserted into the Access
Agreement?
Lila C. Marsh
Counsel
Vinson & Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
ImarshC@-velaw.com
0
From: McInroe, Patrick [mai Ito: Patrick. Mcinroe@luminant.com]
Sent: Wednesday,, November 30, 2011 12:07 PM
To: Clay Phillips
Cc: rhager @njdhs.com; Marsh,, Lila
Subject: RE: access agreement
Sure -it's essentially the agreement draft before the inclusion of any boring activity, just leaving in the visual inspection(s). Lila -you agree?
Regards,
PJ M
From: Clay Phillips [ mailto:cphillips @coppelltx.gov]
Sent: Wednesday,, November 30, 2011 12:08 PM
To: McInroe, Patrick
Cc: rhager @njdhs.com
Subject: access agreement
Patrick,
Freese &Nichols would like to expedite their visual inspection of the property to begin any permitting processes that might be necessary to make any changes to the
dam, spillway, etc... They are willing to hold off on the borings until a later date. Would this approach simplify the process to finalize the access agreement since no
borings would be included in the initial agreement. Thanks!
Clay
Confidentiality Notice: This email message, including any attachments, contains or may contain confidential information intended only
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Page 3 of 3
intended to be reviewed by only the individual or organization named above. If you are not the intended recipient or an <br> authorized
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Page 1 of 1
Ken Griffin - Drilling on Northlake
From: Ken Griffin
To: John Rutledge
Date: 2/14/2012 4:22 PM
Subject: Drilling on Northlake
John, the following is an excerpt from an email between Patrick McInroe and Clay Phillips today. This
may have already been resolved, but if not, we need to provide a revised map to Luminant so we can
keep the agreement moving forward.
Thanks
ken g
"I understand Freese Nichols may want to bore some holes by the dam /spillway. Our dam engineers
looked at the initial & ti pro posed bore locaons found 2 or 3 of them would damage some unez d rround
pipes /infrastructure. They communicated that to John Rutledge at FN lastfall & we never heard back.
We will need to discuss that with FN in order h f or then to move on to the next pase of their study. It
would help ifRutledge couldjust call Milton Vr1a at Lum inant. They've known each otherfor decades
& should be able to resolve that quickly.
Lots going on at the site!
Regards',
Patrick McInroe "
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4F3A8A7C... 3/5/2012
(3/5/2012) Ken Griffin - FW: North Lake Dam - Boring Location Plan Page 1
From: John Rutledge <JLR @freese.com>
To: "Ken Griffin (kgriffin@coppelltx.gov) If <kgriffin @coppelltx.gov>
Date: 2/14/2012 5:25 PM
Subject: FW: North Lake Dam - Boring Location Plan
Attachments: Boring Location Plan.pdf; imageOO1.gif
This attachment was sent to you on 11/29 and is the result of a conversation with Milton. If you pull that
back up, you'll notice I copied what Tony sent to Milton. I will forward you Milton's email so you'll have the
full email chain. In hindsight, I guess we should have copied the same folks Milton did. Do you want us to
send it all on or will you want to reply since it came through Clay?
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817- 735 -7284
jlr @freese.com
[cid: imageOO 1.g if@O 1 CCAE9E. DA8273FO]
From: Tony Bosecker
Sent: Tuesday, November 29, 2011 1:58 PM
To: VrIa, Milton (Milton.Vrla @luminant.com)
Cc: John Rutledge
Subject: North Lake Dam - Boring Location Plan
Milton,
I have revised the boring location plan (see attached for your review) based on the drawings we received.
We have moved Boring B -1 closer to the spillway road to avoid the irrigation line. We kept the original
location of Boring B -2 after looking at the drawings. It appears we will miss the low flow outlet pipe by
100+ feet. The location of Borings B -3 and B -4 remains unchanged.
If you have any questions, please let us know.
Thanks,
Tony Bosecker, P.E.
Geotechnical
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109 -4895
817 -735 -7387 office
817 - 917 -9370 mobile
817 -735 -7483 fax
www.freese-com<http://www.freese.com>
[cid: imageOO 1.g if@O 1 CCAE9E. DA8273FO]
Please consider the environment before printing this message.
(3/5/2012) Ken Griffin - FW: North Lake Dam - Boring Location Plan Page 2
This electronic mail message is intended exclusively for the individual or entity to which it is addressed.
This message, together with any attachment, may contain the sender's organization's confidential and
privileged information. The recipient is hereby notified to treat the information as confidential and
privileged and to not disclose or use the information except as authorized by sender's organization. Any
unauthorized review, printing, retention, copying, disclosure, distribution, retransmission, dissemination or
other use of, or taking of any action in reliance upon, this information by persons or entities other than the
intended recipient is prohibited. If you received this message in error, please immediately contact the
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cooperation.
(3/5/2012) Ken Griffin - FW: North Lake Access Agreement with Coppell Page 1
From: Mallory McKee <mmckee @njdhs.com>
To: "'kgriffin@coppelltx.gov
Date: 2/16/2012 1:10 PM
Subject: FW: North Lake Access Agreement with Coppell
Attachments: G- 147459.pdf; Main Dam Irrigation System Layout-pdf; 1999 NL Dam Spillway Geotech
Investigation 27Mayl999.
Per Bob's request, please see email below. He tried to forward this message earlier, but the email got
returned.
Mallory McKee
Legal Assistant to Robert E. Hager
Nichols, Jackson, Dillard
Hager &Smith, LLP
1800 Lincoln Plaza
500 North Akard Street
Dallas, Texas 75201
214 - 965 -9900 Main
214 - 665 -3322 Direct Dial
214 - 665 -3353 Direct Fax
214 - 965 -0010 Fax
* *Information contained in this transmission is attorney privileged and confidential. It is intended for the
use of the individual or entity named above. If the reader of this message is not the intended recipient,
you are hereby notified that any dissemination, distribution or copy of this communication is strictly
prohibited. If you have received this communication in error, please immediately notify us by telephone.
- - - -- Original Message - - - --
From: Robert Hager
Sent: Thursday, February 16, 2012 12:44 PM
To: 'kgriffin @coppeltx.gov'
Cc: 'cphillips @coppelltx.gov'
Subject: FW: North Lake Access Agreement with Coppell
Here is my lastest instructions from Luminet's lawyers.
Bob
- - - -- Original Message - - - --
From: Marsh, Lila [maiIto:Imarsh@velaw.com]
Sent: Thursday, February 16, 2012 10:56 AM
To: Robert Hager
Cc: Martin, Paul; McInroe, Patrick; Ray, Kyle
Subject: North Lake Access Agreement with Coppell
Good Morning, Bob,
I hope this finds you well. In response to Ken Griffin's request, I am including herewith an email chain
between Milton VrIa (Luminant's dam engineer) and John Rutledge concerning Freese &Nichols'
proposed boring locations. Luminant cannot approve Mr. Griffin's request for access to the dam for
boring until F &N submits proposed alternate sites to Mr. VrIa for his review and approval, as requested by
Mr. VrIa on November 23, 2011. I believe that this has been communicated by Pat McInroe to Mr. Phillips
and F &N.
(3/5/2012) Ken Griffin - FW: North Lake Access Agreement with Coppell Page 2
FYI, Ken Griffin sent F &N's report to Luminant as part of the City's disclosure request before F &N sent
me a copy to review and approve. Could you please remind your client and F &N that they should not
send any reports to Luminant until I have reviewed the report and Luminant has approved distribution to
them in writing? I understand they are anxious to move forward (as is Luminant), but we do need for the
city to respect Luminant's internal process and their agreement terms.
Best regards,
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
1marsh@velaw.com
- - - -- Original Message - - - --
From: VrIa, Milton
Sent: Wednesday, November 23, 2011 8:18 PM
To: John L. Rutledge, P.E.
Cc: McInroe, Patrick; Diermann, Scott; Bagley, Terry
Subject: FW: North Lake
John,
I have reviewed your proposed boring location plan and need to advise you of underground facilities at
your Station 0 +00 /Boring B -1 and Station 2 +00/ Boring B -2. At these locations you may encounter a 6
inch PVC irrigation line which is currently serving the saddle dam. Boring B -2 may also encounter the
abandoned 18 inch cast iron low flow outlet pipeline. I recommend you review the attached drawings and
relocate these borings a safe distance from these underground facilities.
I have also attached a geotechnical investigation conducted for reconditioning of the spillway chute in
1999. The correctness of the information within this document or use of the document information is at
your own risk. It may however be useful in determining whether or not fewer or more borings are
necessary for your proposed design.
It is probably noteworthy to advise you that the area below the main dam roughly from the toe of the dam
to the Luminant property fence has been identified as potential wetlands and possibly subject to COE 404
rules.
Call me upon your return from the Thanksgiving Holidays and we can discuss other drawings which may
be available in our files to insure the project is a success.
Milton
214.875.8231
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding
federal taxes, that statement was not written or intended to be used, and it cannot be used, by any
person (i) as a basis for avoiding federal tax penalties that may be imposed on that person, or (ii) to
promote, market or recommend to another party any transaction or matter addressed herein.
CONFIDENTIALITY NOTICE: The information in this email may be confidential and /or privileged. This
email is intended to be reviewed by only the individual or organization named above. If you are not the
intended recipient or an authorized representative of the intended recipient, you are hereby notified that
(3/5/2012) Ken Griffin - FW: North Lake Access Agreement with Coppell Page 3
any review, dissemination or copying of this email and its attachments, if any, or the information
contained herein is prohibited. If you have received this email in error, please immediately notify the
sender by return email and delete this email from your system.
Thank You.
Page 1 of 2
Ken Griffin - F North Lake Boring
From: Robert Hager <Rhagergnjdhs.com>
To: "'kgriffin @coppelltx.gov "' <kgriffingcoppe11tx.9ov>
Date: 2/20/2012 11:22 AM
S FW: North Lake Boring
Ken
FYI
i • •
Fromm. Marsh, Lila [mai Ito: I marsh@velaw-com]
Sent: Monday, February 20, 2012 10:46 AM
Too. John Rutledge
Cc: Robert Hager; McInroe, Patrick; White., Kirk; Ray., Kyle
Subject: North Lake Boring
John, I'm writing to remind you that Luminant needs the following information to consider your
request to approve the proposed boring at Northlake:
1. Specific information regarding work to be done (i.e. depth of boring, manner of filling holes).
Please provide in written form so that I can add this information as an exhibit to the Access
Agreement once the proposed work has been approved; and
2. Identity of the contractor to perform the work and a copy of the contractor's insurance
certificate. Please remember that the contractor will need to be added as a party to the Access
Agreement.
Please let me know if you have any questions.
Best regards,
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4F422CEOC... 3/5/2012
Page 2 of 2
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding federal
taxes,
that statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis
for avoiding
federal tax penalties that may be imposed on that person, or (ii) to promote, market or recommend to another
party
any transaction or matter addressed herein.
CONFIDENTIALITY NOTICE: The information in this email may be confidential and /or privileged. This email is
intended to be reviewed by only the individual or organization named above. If you are not the intended
recipient or an
authorized representative of the intended recipient, you are hereby notified that any review, dissemination
or copying
of this email and its attachments, if any, or the information contained herein is prohibited. If you have
received this
email in error, please immediately notify the sender by return email and delete this email from your system.
Thank You.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4F422CEOC... 3/5/2012
Page 1 of 3
Ken Griffin - R North Lake Boring
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
F "Marsh, Lila" Qmarsh @velaw.com>
To: "John Rutledge" <JLR9freese.com>
Date: 2/20/2012 12:19 PM
Subject: RE: North Lake Boring
CC: "Robert Hager NJDHS" <rhagergnjdhs.com>, "McInroe, Patrick" <Patrick.Mci...
Thank you John.
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
Fromm. John Rutledge [mailto:JLR@freese-com]
Sent: Monday, February 20, 2012 11:36 AM
Too. Marsh, Lila
Cc: Robert Hager NJDHS; McInroe, Patrick; White., Kirk; Ray, Kyle; Ken Griffin (kgriffin @coppelltx.gov)
Subject: RE: North Lake Boring
Attached is the description, the boring plan and the insurance certificate for Texplor. We will get them to sign
the access agreement once you've provided it
Thanks
JLR
John L. Rutledge, P.E.
Freese and Nichols, Inc.
4055 International Plaza St 200
Fort Worth, TX 76109
817 -735 -7284
jlr @freese.com
kdin !IF
Md
Fromm. Marsh, Lila [mai Ito: I marsh@velaw.coml
Sent: Monday., February 20, 2012 10:46 AM
Too. John Rutledge
fil .//C.\Doc m nts and S ffings\lhenderson\Local Settings\Temp\XPGrrpWise\4F423A58C 3/5/2012
Page 2 of 3
Cc: Robert Hager NJDHS; McInroe, Patrick; White., Kirk; Ray., Kyle
Subject: North Lake Boring
John, I'm writing to remind you that Luminant needs the following information to consider your
request to approve the proposed boring at Northlake:
1. Specific information regarding work to be done (i.e. depth of boring, manner of filling holes).
Please provide in written form so that I can add this information as an exhibit to the Access
Agreement once the proposed work has been approved; and
2. Identity of the contractor to perform the work and a copy of the contractor's insurance
certificate. Please remember that the contractor will need to be added as a party to the Access
Agreement.
Please let me know if you have any questions.
Best regards,
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
Imarsh @velaw.com
Treasury Circular 230 Disclosure: To the extent this communication contains any statement regarding federal
taxes,
that statement was not written or intended to be used, and it cannot be used, by any person (i) as a basis
for avoiding
federal tax penalties that may be imposed on that person, or (ii) to promote, market or recommend to another
party
any transaction or matter addressed herein.
CONFIDENTIALITY NOTICE: The information in this email may be confidential and /or privileged. This email is
intended to be reviewed by only the individual or organization named above. If you are not the intended
recipient or an
authorized representative of the intended recipient, you are hereby notified that any review, dissemination
or copying
of this email and its attachments, if any, or the information contained herein is prohibited. If you have
received this
email in error, please immediately notify the sender by return email and delete this email from your system.
Thank You.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4F423A58C... 3/5/2012
Page 3 of 3
Please consider the environment before printing this message.
This electronic mail message is intended exclusively for the individual or entity to which it is addressed. This message, together with any attachment,
may contain the sender's organization's confidential and privileged information. The recipient is hereby notified to treat the information as confidential
and privileged and to not disclose or use the information except as authorized by sender's organization. Any unauthorized review, printing, retention,
copying, disclosure, distribution, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or
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Page 1 of 2
Ken Griffin -North Lake
From: Ken Griffin
To: Imarsh@velaw.com
Date: 2/16/2012 5:42 PM
Subject: North Lake
CC: Clay Phillips; John Rutledge; Mallory McKee; Robert Hager NJDHS
Attachments: Boring Location Plan.pdf
Ms. Marsh
Attached is the revised boring locations sent to Mr. Vr1a on November 29, 2011 in response to Mr.
VrIa's November 23, 2011 email requesting the relocation of several bores. I'm unsure if Mr. Vr1a
responded to the revised locations.
I apologize for sending the "Report" to Luminant with the "Disclosure Request ". I was operating from
section 4 of the Access Agreement which requires me to request from Luminant the right to talk to
other agencies. Section 3 of the Access Agreement requires that I submit the "Report" to Luminant's
counsel prior to sending it to Luminant. It was a mistake to attach the report to my "Disclosure
Request" to Luminant.
We are anxious to move forward, but not at the expense of non-compliance with the Access
Agreement. I will wait to proceed with any additional work on this project until I receive notification
from you that we can proceed with our "Disclosure Request ".
Please let me know if you need any additional information or clarification from me at this time.
Thanks for your help in moving this process forward.
Ken Griffin, P. E.
Director of Engineering and Public Works
From: Tony Bosecker
Sent: Tuesday, November 29, 2011 1:58 PM
To: Vria, Milton (Milton.Vrla @luminant.com)
Cc: John Rutledge
Subject: North Lake Dam - Boring Location Plan
Milton,
I have revised the boring location plan (see attached for your review) based on the drawings we
received. We have moved Boring B -1 closer to the spillway road to avoid the irrigation line. We kept
the original location of Boring B -2 after looking at the drawings. It appears we will miss the low flow
outlet pipe by 100+ feet. The location of Borings B -3 and B -4 remains unchanged.
If you have any questions, please let us know.
file: //C: \Documents and Settings \lhenderson \Local Settings \Temp \XPGrpWise \4F3D3FFFC... 3/5/2012
Page 2 of 2
Thanks,
Tony Bosecker, P.E.
Geotechnical
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109 -4895
817 -735 -7387 office
817 - 917 -9370 mobile
817 -735 -7483 fax
w
[cid:imageOOI.gif@OICCAE9E.DA8273FO]
Please consider the environment before printing this message.
This electronic mail message is intended exclusively for the individual or entity to which it is
addressed. This message, together with any attachment, may contain the sender's organization's
confidential and privileged information. The recipient is hereby notified to treat the information as
confidential and privileged and to not disclose or use the information except as authorized by sender's
organization. Any unauthorized review, printing, retention, copying, disclosure, distribution,
retransmission, dissemination or other use of, or taking of any action in reliance upon, this information
by persons or entities other than the intended recipient is prohibited. If you received this message in
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any computer. Thank you for your cooperation.
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Page 1 of 2
Ken Griffin - RE: North Lake
From: "Marsh, Lila" <lmarsh @ velaw.com>
To: "Ken Griffin" <kgriffin @ coppelltx.gov>
Date: 2/16/2012 5:49 PM
Subject: RE: North Lake
CC: "Clay Phillips" <CPffiLLIPS @coppelltx.gov >, "John Rutledge" <JLR @freese.c...
Thanks, Ken, and no worries.
I will ask Pat McInroe follow up with Milton on the proposed boring locations, and I know that Pat is reviewing your disclosure request.
We will get back with you soon!
Best regards,
Lila C. Marsh
Counsel
Vinson &Elkins LLP
Trammell Crow Center
2001 Ross Avenue, Suite 3700
Dallas, TX 75201 -2975
Tel +1.214.220.7730
I marsh (a')-velaw.com
From: Ken Griffin [maiIto:kgriffin@coppelltx.gov]
Sent: Thursday, February 16, 2012 5:42 PM
To: Marsh, Lila
Cc: Clay Phillips; John Rutledge; mmckee @njdhs.com; Robert Hager NJDHS
Subject: North Lake
Ms. Marsh
Attached is the revised boring locations sent to Mr. Vrla on November 29, 2011 in response to Mr. Vrla's November 23, 2011 email
requesting the relocation of several bores. I'm unsure if Mr. Vrla responded to the revised locations.
I apologize for sending the "Report" to Luminant with the "Disclosure Request ". I was operating from section 4 of the Access Agreement
which requires me to request from Luminant the right to talk to other agencies. Section 3 of the Access Agreement requires that I submit
the "Report" to Luminant's counsel prior to sending it to Luminant. It was a mistake to attach the report to my "Disclosure Request" to
Luminant.
We are anxious to move forward, but not at the expense of non-compliance with the Access Agreement. I will wait to proceed with any
additional work on this project until I receive notification from you that we can proceed with our "Disclosure Request ".
Please let me know if you need any additional information or clarification from me at this time.
Thanks for your help in moving this process forward.
Ken Griffin, P. E.
Director of Engineering and Public Works
From: Tony Bosecker
Sent: Tuesday, November 29, 2011 1:58 PM
To: Vrla, Milton (Milton.Vrla @luminant.com)
Cc: John Rutledge
Subject: North Lake Dam - Boring Location Plan
Milton,
I have revised the boring location plan (see attached for your review) based on the drawings we received. We have moved Boring B -1
closer to the spillway road to avoid the irrigation line. We kept the original location of Boring B -2 after looking at the drawings. It
appears we will miss the low flow outlet pipe by 100+ feet. The location of Borings B -3 and B -4 remains unchanged.
If you have any questions, please let us know.
Thanks,
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Page 2 of 2
Tony Bosecker, P.E.
Geotechnical
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109 -4895
817 -735 -7387 office
817 -917 -9370 mobile
817 -735 -7483 fax
www. freese .com <http: / /www.freese.com>
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