ST9902-CS040426TEAGUE NALL AND PERKINS
ENGINEERS · SURVEYORS · CONSULTANTS
Memorandum
To:
From:
Date:
Re:
Ken Griffin, P.E.-City of Coppell
Matt Atkins
April 26, 2003 ¢;
West Sandy Lake Road Project
The following is a suggested agenda for our meeting on Tuesday, April 27,200;~ 4 ?
Our intent of the meeting will be to provide you with written response to the
preliminary plan review comments as well as discuss some outstanding issues that
need to be addressed during the next phase of the design process. Please feel free
to add any additional items that need to be discussed or clarified.
Suggested A.qenda for
10:00 a.m. Meetin.q w/City of Coppell
Tuesday, April 27, 2004
g
Waterline Issues
a. Review revised criteria for abandoning the existing 10" waterline
b. Information to be provided by City of Coppell Staff
i. Review which fire hydrants will be relocated or replaced
ii. Review which water meters need to be relocated and which ones
can be abandonded.
II.
Utility Coordination
a. Verizon/GTE coordination
b. Schedule for utility relocations
c. Utility Coordination Meeting
12160 NORTH ABRAMS ROAD, SUITE 508
DALLAS, TTr. XAS 75243
(214) 461-9867
FAX (214) 461-9864
III.
ROW/Easement Update
a. Final approval of roadway alignment and associated ROW acquisitions
b. Field verify property corners of new developments
c. Schedule
IV.
Development Coordination Update
a. Truck Warehouse (Half/}
b. Upcoming developments
V. Driveway Access
VI.
Schedule
a. Phase I final plans and construction
b. Phase II preliminary design
VII. Denton Tap Intersection
· Page2
PLANS- GENERAL COMMENTS
The paving plan/profile sheets need to show conduit, water line tap, and power source for the
landscape irrigation in the medians. The landscaping consultant NdB is coordinating with
the Parks' Department on this issue.
I NI~ will ~nc't)rporate thc findings oI'N.IB intt~ lhc lillal sttblnitl~l.
We do not want streetlights located in the stamped concrete. Has TXU approved the
streetlight design? A detail of the TXU standard street light foundation will need to be
provided in the plans or specifications.
I'XU has approved thc strectlighl dcsign and has given TNI) thc t~rccdom to modi]? the plan.
which will allo~ the relocation o['the ghts )ut of'the stamped c(mcrcte A detail t?om I'XU
~ il/be proxided.
We previously discussed relocating the newer fire hydrant and valve assemblies and
replacing the old [ire hydrants and assemblies.
a. The Streets Department will check fire hydrants to determine whether to rep[ace or
relocate.
b. Valves need to remain in their present location. The Streets Department will check
valves to see if they are operable or need to be replaced.
1 NJ~ ~ ill x~aJl [~)r Jnl't~w~ali(m reg~lrding fine fire hkdranl and xalxc rcplacc~]qclql.
The plans call for all of the water meters to be relocated and there are existing water meters
that are not shown. The Streets Department will locate, mark, and check water meters to
determine whether they need to be relocated or abandoned.
'INP will wait li)r in/i)rmation regarding thc existing ~ater meters and peril)tm a field
x crification ot'all water meters in question.
.5.
We will need a list of the trees designated for removal. The trees will need to be marked and
removed prior to the start of construction. The trees will need to be removed to approximate
Station 58+00.
'Iht lisl of't~ccs to be rcmoxed will be pros ided by INP prior to bidding the proicct
GTE telephone vaults (3heets 8, 12, & 14) located along the north side o[ the roadwav
conflict with the proposed improvements and are di[ficult to relocate. Has GTE commented
about their proposed relocation? Can the north curb be moved 2 feet to the south to avoid
the vaults?
'[NI~ixcoordnaatmgwith(i'lI:ilorcsolvethisissue. (ill:x~il}co~ll'irmareasofcontlicts and
rc]ocatcd those I'~lc[lilics prior It) beginning ct)nstruct~on.
The paving plan/profile sheets need to show the ~llowing information;
a. high point station, elevation, and flow arrows
_b. top of curb elevation at all of the curb inlets
The storm drain plan~profile sheets need to show top of curb elevations at all of the curb
inlets.
INP x,,ill address these issues m thc final plan submitlal
Need to coordinate the design of the roadway with future development of the T/E Northpoint
Partners, Ferg'uson Realty Company, and Four Seasons Addition parcels. We are currently
working with the developers of the Ferguson tract. Design of the storm drains and median
openings, drainage easements may' need to be revised
INP ~ill obtain a copy of the proposed plans from Dave l,ittlelon at llallT and coordinate
with thai development. INP will await tbr any intbrmation fi'om the (ity regarding any other
9. The City will check location of the gravel drives in the 'field to determine whether they are
needed. Do we need concrete aprons on the gravel drives or curb openings only?
'1 NI' x~ill await the (:il}'s determination of which drives need access Access ~ill be
proxided according to tine ('ity standald details.
lO. Need to correct the parcel ownership on the paving plan/profile sheets to agree with Sheet 6.
['NP will address this issue m tine final plan submiltal.
ii. Install 2" blow-off at the end of each 8" PVC stubout. The plugs on the 8" PVC stubouts
need to be prefabricated.
'INP x~ ill address tiffs issue in tine final plan submittal.
12. Do we want to extend stamped concrete in the narrow median sections sheets 17, 18, and
197
1NP & NJB w/II provide hardscapmg '~q~cn the median width is less than
13. Need sufficient detail on ali ADA access ramps and sidewalks to ensure that the plans are in
compliance with the Texas Department of Licensing and Regulations. This includes the
correct slope, correct width, correct texture, and correct color differentiation.
[NI' will plovidc line approprmte dclail to comply with thc current ADA requirements and
s[lblllit to I'DLR tbr review.
]4. The storm drain pipe needs to be added to both the plan and pay item description. Joint
omniflex material shall be used /'or all joints and all flttingx and bends shall be
prefabricated
INP will address this issue in thc final plan submittal.
SHEET 2 GENERAL NOTES
]. Note ! - Revise first sentence to read: "All materiah' and construction shall con[brm to the
City of Coppell Standard Construction Details and .specifications and these plans and
contract documents." In case ora conflict between will the engineer ~ decision be final?
'INP v,i]l address lhis ~ssuc in ~h¢ final plan submillat.
2. Note 10 - Revise last sentence to read; "Any necessary re-tests due to the failure of original
tests skall be at contractor's sole expense and skall be billed directlp lo the contractor."
INP will address lhis isstlc in thc linal plan submiltal.
3. Note 15 Revise note to read: "~ll fill areas within the right-of-wap shall be compacted Io
95% standard proctor &nsi~ in accordance with ASTM D698 at, or up to 5 percentage
points above, optimum moisture content."
1NP x~ilI address this issue in thc final plan submittal.
4. Note 17 - ~1l concrete for construction shall be Class "A" concrete having a minimum of 5.5
sacks of cement per cubic yard and a minimum compressive strength of 3,5OO psi at 28 days.
I'NP will address this issue m thc final plan submittal.
5. Note 18 - Delete this note.
'I NP will address this issue in the final plan submiltal.
6. Note 25 Change "&inch flex base" to "6-inch compacted flex base." Add to end of note:
"Prior to processing each monthly pa!; request, all urgent proiect related issues shall be
resolved. These may include, but are not limited to, safety, erosion, dust, noise, traffic
control, ingress and egress, clean up, citizen complaints, etc."
iNP x~.ill address this issue in thc l'lnal plan subrnitlal.
7. Note 27 - Add to end of note: "Regulatory and informational signs shall remain visible
throughout the construction process and may have to be relocated multiple times."
I'NP will address this issue in the final plan submittal.
8. Note 34 - There needs to be a minimum of 3-['eet of clearance from all obstructions around
the fire hydrant.
I'NP xxill address this issue ira thc final plan .-,ubmitta].
SHEETS 3 & 4
I. 21ll concrete ['or construction shall be Glass "A" concrete having a minimum 0{'5.5 sacks of
cement per cubic yard and a minimum compressive strength of 3,5OO psi at 28 days.
INP will address this issue itl thc final plan submiltal.
2. The maximum slope in the parkwa¥ is 2%.
'INP understands that a maximum parkway sit)pc all' 4:1 will bo allowed v, hcrc there arc nc)
sidewalks planned. A 4-1ho! section fi'om back-otLcurb of 2% slope toward thc roaduay will
be pl'ovided in all areas.
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3. The recently constructed section of Coppell Road is &inch pavement.
]'NP will address this issue in lhc final plan submitlal.
4. Need the pavement thickness shown on the Royal Lane tTpical section.
I'NP ~ill address this ~ssuc in lhe final plan submiltah
5. Need a lypical section on the State Road asphalt transition.
I NP ~ill include typical section in thc final plan submittal.
6. Show the flex base extending one foot beyond the HMAC on the typical HMAC transitions.
'INP will address this issue in the final plan submittal.
SHEETS 5 dc 6
1. Show appropriate match lines.
I'NP will address fins issue in the final plan submdtah
2. Do we need a drainage easement for the drainage structure located at approximate Station
13+507
I'NP will investigate thc existing cascmcnls and tine need for any addiliona] drainage
SHEET 7
1. Station 8+10.97 - Provide a grate inlet detail or change to City of Coppell standard "Y" inlet
detail.
I NP ,.',.ill inc]udc all apphcablc details in line final {>lan suhmiltaL
SHEET 8
1. Do we need asphalt curb around the median in the asphalt transition in order to provide
proper cross-drainage ['or median and provide lane delineation for traffic flow?
'1 NP will provide approprmtc drainage [ktcililies ax snell ax delineation butlons around
median.
2. Need more information on the grading plan for proposed inlet at Station Il+21, 74. The
flow-line of the inlet is higher that the adiacent curb elevation.
INP xxill address this issue in thc IlnaI plan sulnmittal,
3. Sheets 8 & 21 The streetlight conduil in the median nose of Reval Lane is shown going to
the traffic box. Need to pour new a foundation and connect to existing wiring. TXU will
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need to remove the existing streetlight. Removal off the existing foundation will need to be
addressed.
INP ~il} address this issue in thc' final plan suhmitluh
Sheet 8 f 21 Elevations that should be the same on both sheets do not match. Need to
ensure that matching grades and elevations are shown correctly on both Sheets 8 and 21.
Sheet 21 Sheet 8
S.E.P. 1. 1+ 10.82 S.E.P.t 12+37.51
LTP.t Elev. = 522.07 RTP. I. Elev. = 521.65
IN[) vail address this issue in thc final plan submittal.
SHEET 9
1. Drive at Station 14+33.90 - Property is being developed and the drive may no longer be
needed. If required, change the 12-inch CMP to 15-inch CMP and show the required length.
TNP ,,,.ill coordinate with propc~ ly's dc~clopcr to rcsolxc this issue.
SHEET 12
1. Need to coordinate relocation of fire hydrant at Station 26+93 north with future development
of Ferguson tract. Show a heavy line if the fire hydrant is to be relocated.
2. Show the ]2 inch water line west of Northpoint Drive. (drawing attached)
I'NP will includc the water line in the final plan submittal.
3. Show the type and the limits of the fence that is to be removed.
TNP will address this issue m Ibc final plan submilta]
SHEET 15
l. Do we want to replace the barbwire fence along the Calle[o properS?
thc}¥r~cc. Ifthct~'nccnccdst(~bcrc/ocatcd, itw/llhc~cmo~cdand~cplaccdxx'~tlnlikckmd
SHEET 17
1. Sheet 17 and 26 - Do we need the conduit and pull boxes at the church access?
TNI~ will e'~el]uale t~'le locations of the col~dClit and pall hexes along thc cmlrc length of thc
pr*sect Thc conduit 1,.)cations will bc conducive to thc Urigation design.
The note to "Remove and Dispose of Exist 12' Curb Inlet" is confusing since there is a
proposed curb inlet shown. Note above shows existing 10' curb inlet.
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I'}lc note should read "Remove and I)isl)ose of Ixist
typo in Ibc {h~a] plan submittal.
3. Do we need a temporal, construction easement on lhe church proper~ since the access is not
in public ri,aht-o/:waF?
I'NP ~ill exaluate provide ccmstruction casement documents, where needed.
SIIEET 18
]. ~ere is the fire hvdrant at Station 49+30 to be relocated?
'INP xxill spccil? locations of thc fire hydrants in final plan submittal.
2. Can the trail be moved closer to the road so that less right-of-way is required from the two
residential lots?
'INP wil~ add~css this issue in thc final plan submittal.
3. Sheets' 18 and 27 Do we need the conduil and pull boxes at Oakbend Drive?
TNP will evaluate thc locations oF thc conduit and pull boxes alon8 lhc enlirc length of lhc
project. Ibc conduit locations will bc conducive to thc irrigation design.
SHEET 19
1. Install the tempora~ "Y" inlet at Station 55+22.16
1NP will aclchcss thc drainage ol'thc illcdian
tI~c linaI plans.
The road drains to the handicapped ramps located on the south side. Will the accumulation
of water in the ramps be a problem?
mmhnixc Ibc ~rnpacls to Ibc ramps. Additionally, sull]cicnt detail xxi}l be p]'ovidcd with thc
ramps to cnsurc proper construction.
Sheels 19 & 51 - The top of curb elevation (499.20) on the inlet at Station 52+61.48 does not
match the elevation (497.~6) show. for fiD
I'NP wdl address Il]is issue in ibc final phm submittal
Revise "S. ~P.I. 53+13.68" and "S.E.P.~ 53+49.59" to "N. ~P.I. 53+13.68" and "N.E. PI.
53+49.59".
I'NP ~xill address ibis issue in ibc lh~al plan submitIal,
Sheets 19 and 27 - Do we need the conduit andpull boxes at Branchwood Drive?
FNP will evaluate thc locatiol]s of tile colldtlil and pull boxes along thc cntnc length of'lhe
pF~¥ect. The conduit locations xxill be conducive to ihe irngation design.
~HEET 21
1. S.E.P.I. and S. ~P.~ are both shown at ] +10.82 - the~ are not at the same station.
INP will conect lhis issue m thc final plan submittal.
2. Show station and e&vation o~the existing top of curb at the tie-in to the proposed curb L~
Show the width or,he proposed roadwap where it ties into the existing roadwav.
3. Station 1 +35.49 RoFal Lane - revise "Begin" to "End Lt Curb Return '(
TNP will correct this issue m thc final pluu submittal.
4. Sheets 21, 22, and 23 - Is the RCP in profile view shown to flow in the right direction?
TNP will investigate and address this issue in thc final plan submittal.
SHEET 22
1. Sheets 22 & 51 - The top of curb elevation for the inlet at Station 6+45. lO does not match thc
elevation (523.20) shown for SD LAT ~2-6t
FNP will address this issue in thc final plan submitl~tl.
SHEET 23
L ~s previously discussed, a median opening is needed for the Industrial Park ~ccess Drive.
The inlet located at Station 10+48. 74 RT will need to be relocated to the south.
TNP will address this isstie in the final plan submitlal.
2. Show Station 9+00 in the profile view.
TNP will addl'ess this issue in thc final plan submitlal.
SHEET 24
1. VeriQ existing top o/' curb elevation where the proposed roadway ties into the existing
roadway'.
I NP ,.~ ill uddress this issue in thc final plan submittal.
Correct the stationing in the profile view.
TNP will address this issue m the final plan submit'~al.
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3. Is the existing 20-foot inlet to the south a low point?
INI~ will rcs icxn thc as-b~filt plans lk)r lhis inlet.
SHEET 25
1. gerifp existing top of curb elevations at the tie-in to the proposed curb on the LJ~ Show the
width of the proposed roadway where it ties into the existing roadway.
']'NP will address this issue m lhe l]nal plan submittal.
2. Show asphalt pavement according to the legend on Sheet ] for the transition into State Road.
TN}2 will address this issue in the final plan submittal.
3. Do we want to relocate the barbwire fence along the west side of State Road?
l'hc cxist~g tenet doe~; nol connect to any other IL'ncc. '[ ho film] plans will u/tlic~ltc tO
4. Station 2+50 State Road - provide header both left and right.
TNP will address this issue in thc final plan submittal.
5. There is a minimum width of 2 feet on an asphalt connection (approximate Station 5+00 to
5+53).
[NP will reflect this in the final plan submittah
6. Install metal ~ardrail beam barricade at the end of the proposed concrete pavement L ~,
where it does not tie into the existing State Road
I'NI) will address lhis issc~c i~ lhc final plan s[~bmittnh
SHEET 26
]. Explain finished pavement grade.
'I'NP will provide m~)rc constrL~ction inlk)rmat~on on this profile during tlnc final design,
2. ~eri~ existing top of curb elevations at the tie-in to the proposed curb. Show the width of the
proposed roadway where it ties into the existing roadway.
TNP will address this issue in thc final plan submittal.
3. Need to ensure that crosswalk meets the ADA requirements. Are ramps and curb openin~
required?
TNP ;,`'ill investigate cuFrenl ADA rcquh'¢ments to ensure that thc final plans utc itt
compliance.
SHEET 2 7
1. Need to ensure that crosswalkv meet the ADA requirements on both Oakbend Drive and
Branchwood Drive. They both exceed the 2% maximum cross slope:
TNP will invesfgatc current ADA requirements to ensure that thc tinal plans arc in
compliance.
2 Show the width oftheproposed roadway where it ties into the existing roadway. Show the
station location of the inlets.
TNP will address tiffs issue in the linal plan submittal.
SHEET 28
1. Resolve grade differences shown on this sheet and Sheet 19.
TNP will address this issue in the Final plan submittal.
2. Slope easement; will be required on the Sowell properO,.
INP xxill address lifts issue and prepare arty necessary construction and/or slope
easelncnts.
3. The radius on the two drives located on the west needs to be 15 feet:
I'NP will rev/sc the radius oFeach drive in Il're [ina} plan submittal.
4. Is the hike and bike trail going to extend to the intersection?
Thc proposcd hikc and bike trail did not show up on this prinl. 'Ibc trail ;',itl extend
to thc WSI. and Coppell Road intersection.
5. Show the width of the proposed roadway where it ties into the existing roadwq¥:
TNP ,.,`ill address this issue in thc final plan subnfiual.
6. Correct the stationing in the profile view_.
TNP will adth'css this issue in thc final plan submiltal.
SHEET34
1. Can the "Drainage Area Data" be shown with the drainage area maps~
TNP will address this issue in the final plan submiual iFtherc is sultlc/ent space.
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SHEET 35
1. Provide detail showing minimum spacing between boxes, trench foundation, thickness and
material, backfill between boxes, and balance of back~ill material.
I NP will address this issue in thc final plul~ submittal.
SHEET 36
1. Are equalizers needed between 7'x3' box culvert 'SD A-l' and 7'x3' box culvert 'SD A_2'?
-I lne parallel boxes are intended Io operale independent o~'cach olher unii] the outt~all.
2. Detail the construction sequence at the Royal Lane/Sandy Lake Road intersection that will
maintain two-waF traffic while removing the existing 2 - 3 ~9' box culverts, lowering the
existing 12-inch water line, instaYing two new box culverts, and constructing the pavement
sections.
I)]ar~ sLthrniltal,
SHEET 37
1. Label the storm drains.
TNP will address this issue in the final plan submitlal.
SHEET 38
i. Station 0+28.54 - Provide detail of Headwall (TFpe FW-O) or change to City of Coppell
standard.
INP will addrcss this issue in tlnc final plan submittal.
2. Label the storm drains.
SHEETS 39 & 40
The "existing information" is upside down.
'INP will address this issue in thc final plun submittal.
SHEET 41
1. Show coordinates on SD LAT M3-1' in the plan view.
~IXI> x~i~l address this issue m thc final plan submittul.
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2. ThefiowlineoflSDLAT'A3-1'andSDLAT'A3-2'shouldbethesameintheprofileview.
TNP will address this isstte in thc final plat] submittal.
SHEET 44
1. 'lTze top of curb elevation of SD LA T 'A2-6' does not match the Reval Lane profile.
'INP will address this Jsst~e in the final plan submitla[.
2. Show flow line and top o£ curb elevation el'SD LA T
] 'g'? will address this issue i~ thc final ;r~hm submittah
3. Title block should read "LateraLs' 'A I-i' Thru and
TNP will address this issue in tho final plan submittah
SHEET 45
1. The top el'curb elevation el'Storm Drain 'B- 1' and SD LA T 'BI- ! 'should be the same
(518.18).
TNP will address this issue in thc final plan submittal.
SHEET 46
1. Station 4+58.54 Storm Drain 'C-2' is 24-inches and not 27-inches as shown.
TNP will correct this issue in the final plan subnfittal.
2. The north arrow ia' not oriented correctly.
'I'NP will correct this issue in the final plan submittah
SHEET 47
1. Label Oakbend and Branchwood ~Drives.
This change will be ~'eflccted in the final plan submittal by -[NP.
2. Need profile for SD LAT 'C1-2a' and SD LAT'C1-2b' and SD LAT,Cl_5a(
TNP will include profiles for flnese laterals in thc final plan submittal
3. Check top oflcurb elevation for SD LA T 'CI-1 [
TNP v. ill address this isst~e in thc final plan submittah
1l
SHEET 48
1. The top of curb elevation is not shown on SD LA T ~C1- 7' on sheet 51.
INP xxill address this issue in thc final plan subnlitlul.
2. Label church access &ive.
'1 NP xxill add~-css this issue in thc final plan st~bmittal.
SHEET 50
1. Describe structure at Station 2+ 10.17 SD 'C-2(
l'hc slrt~dure is a junction box and will be described accordingly in i}]c final plan submittal
SHEET 77
1. There is an approximate four-foot drop-off from the hike and bike trail to the edge of
pavement. Should there be a buffer on the trail before it drops of~ Need to ensure that trail
is designed in compliance with the Par~' and Recreation Department's standards.
SPECIFICATIONS GENE~L COMMENTS
1. Irrigation removal, repair, relocation
TNP will prepare thc specifications similar to examples lhal have been providcd by
thc (liN.
2. Fence removal and relocation
TNP will address the lbnce issues uccording to the commenls above a~d on thc
m'ex iow plans. Those issttcs will bo addressed in both lhc plans and spcci/ications~
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