DFW Trade JV-CS 970305Mar-06-97 08:3gA Grap in~ Public Works 81 ~81 036g P.O1
~ ¢.~ MarchS, 1997
Mr. Robert Marshall
6~i Bridge Strut, Suite
Fo~ Worth, TX 76112
Fax (817) 446-3116
Re: Review of time Construction Plans for Patriot l)rive
(Received 02/21/97)
Dear Mr. Marshall:
The City has reviewed your initial construction plans submittal for the above referenced
project, The staff comments are al[ached. The attached review comments need to be
addressed prior to "Rclc,l~ (br Construction". When the necessary revisions have been made
please submit the following:
1. One (1) set of revised construction plans for final review.
After the revised construction plans have been reviewed and approved, it will be time to
arrange a pre. construction meeting. The plans will be "Released for Construction" a~ the
preconstmction meeting. Please submit the following prior to the preconstruction meeting:
1. Five (5) copies oF the approved construction plans.
The General Contractor/Owner needs to contact Mr. Scott Dycr, Senior Civil Engineer, to
"set up" a preconsm~ction meeting. Two sets of plans stampext "Released for Construction"
will be issued to the Contractor(s) at this meeting. If thc contractor(s) needs more than two
~ts of plans, then submit additional sets to be stamped. It is encouraged to have the Owner
or his agent attend the Prcconstmction Meeting. "Final Acceptance" requirements pertaining
to the Owner/Contractor's responsibilities are reviewed at this meeting.
*'tJ~l_lC WC)T~.K$ E)EPT I>.C). Bo× c.):,lO~ * (.;roi.,~.,vin:'.-Fex,,: 76099 - Phon,: Mett-o $t7/481-0372 · F~sx 817/481
Mar-D6-97 08:39A Grape~ine Public Works 817~481 0369 P.02
Goodwin & Marshall
March 5, 1997
If you have any questions concerning the above comments, do not hesilate to call me.
Sincerely,
.........
Scott A. Dyer, P.E.
Senior Civil Engineer
cc: Construction File
Mr. Doug Johnson, IDI Tcxas District Office, 5420 LBJ Freeway, Suite 1275, DaUas,
TX 752~,0
John Robcrtson, Drainage Coordinator
Ken Griffin, City of Coppell, Fax: (972)
O:\K~llie\plans97\Patriot. Rv I
Mar-06-97 08:39A Grap~ine Public Works 81~481 0369 P.03
Con. ruction Pinata
l~at riot Drive
March 5, 1997
GENERAL COMMENTS
* The Final Plat needs to forwarded to our oflice for signatures anti filed prior to thc
release of construction plans,
SHEETS 1 & 2, FINAl, PLAT
* Add easements per comments on Buildings D and E prior to submitting plat to the
City.
SHEET 3, PAVING PLAN & PROFILE
* Add paving station info for thc center of each inlet. Specify inlet size (minimum of
10').
Show grade break on the profile for the left and the right side~ of Patriot Drive at the
intersection with Patriot.
Relocate the manhole at sta 7+00 (Re: comments on sheet. 21).
SHEET 4, PAVING PLAN &PROFILE
* Add paving station info for the center of each inlet. Specify inlet size (minimum of
10').
* Show the manhole at sta 8+94.
SIIEET 5, PAVING PLAN & PROFILE
Add paving station info for the center of each inlet. Specify inlet size (minimum of
10').
Enlarge the inside radius at the corner (sta 21 +00) to a 30' minimum. Revise the
outside radius to incoq)orate a knuckle.
Mar-06-97 08:39A Grap(~ine Public Works 817~481 0369 P.04
Con.struction Plans
Patriot Drive
March $, 1997
SHEET 6, PAVING PLAN & PROFILE
* Add paving station info for the center of each inlet. Specify inlet size (minimum of
lo').
* Show the approximate location of the fi~ture Trade Center Drive. Delete the water
line beyond this lx~int. The water line is to be looped back to Freeport Parkway via
Trade Center Drive. (Re: comments on sheet 20).
SHEET 7, PAVING PLAN & PROFILE
Add 3000 psi to General Note #5.
SIIEET 8, FREEPORT PARKWAY MEDIAN MODIFICATIONS
Relocate the proposed 3' wide median (N. of Patriot) to the centerline of Freeport
Parkway to divide north and south tnlffic on Freeport Parkway.
* Revise the note to specify paint (not thermoplastic) per TXDOT specs. Revise mil
thickness specification.
SHEET 9. FREEPORT PARKWAY MEDIAN MODIFICATIONS
* Revise the barrier-free ramp per thc sketch forwarded with the Buildings D and E
review comments.
SHEET 10, DRAINAGE AREA MAP
* Add flow arrows for the portion of Building H adjacent to Freeport Parkway. Show
this area to draining to the Freelx, rt Parkway systcm.
* A meeting has been scheduled tbr Thursday, March 6, 1997 between myself and
Goodwin & Marshall to discuss the following issues:
1. Provisions for the existing drainage prior to the construction of Buildings F,
G, H , and I.
Mar-06-97 08:40A Grap~in~ Public Works 817~481 0369 P.05
Cor~tructitm Plans
Patriot Drive
March 5, 1997
2. Future drainage design for Buildings F, G , H , and I, and Trade Center
Drive.
Note: Review of the system proposed on sheets 10 - 16 will be discussed at this
meeting.
SHEET 17, 12" WATERLINE
* Show a 12" x 12" tee and gate valve with a 12" stub to the common property line of
Lots 1 & 2, Block 4. (Approx sta 6+ 15).
* Show a 12" x 2" tapping sleeve and valve with a 2" stub to l.ot 1, Block 4. (Approx
sta 5 +50).
* Show a 12" x 4" tapping sleeve and valve with a 4" stub to Lot 2, Block 4. (Approx
sta 6+55). This line can be reduced to 2-1/2" at the property line.
Note: Buildings D anti E will require separate irrigation meters. BuiMing E couM,~eed from
the. 4' Hne. Erasure the 2, stub is adequate for buiMing and irrigation uxe.¥.[br BMMing D.
Note: No laterals' are shown to be stubbed from the inlets tm storm drain line Am You may
wish to deepen lateral A-] inorder to stub storm drain under the water line at a later date.
SIIEET 18, 12" WATERLINE
* Show all storm drain crossings. Specifically laterals B-I and B-3 wilh flowlines of
471.31' and 474.61' respectively. The water line will need to be lowered at both
locations.
SlIEET 19, 12" WATERLINE
Show the 48" RCP, Lateral C-l, al approx sta 27+62. Flowline 467.95'. Waterline
will have to be lowered. Locate fire hydrant and 12" valve beyond bends.
5
Mar-06-97 08:40A Grap~ine Public Works 817~481 0369 P.06
ConMructJo~ Plans
Patriot ])rive
March 5, 1997
SHEET 20, 12" WATERLINE
* Show the 36" RCP, Lateral C-2, at approx sta 32+24. Flowline 472.45'. Waterline
will have to be lowered.
* Show the 42" RCP, Lateral C-3, at approx sta 33+80. Flowlil]e 474.50'. Waterline
will have to be lowered.
* End the waterline at approx sta 34+00 - 35+00 for future extension in Trade (:enter
Drive. Show which side of Trade Center Drive the water line will be extended on.
l_x)cate a tire hydrant near the end of line to act as a blOw-off.
SIIEET 21, 8" SANITARY SEWER
* Dimension sower to centerline.
* Relocate the manhole at sta 5 +95 to be in front of Lot 2, Block 4. Show the 6" stub
to Lot 2 and specify flowline at property line.
* Show the 6" stub to Lot. I and specify tlowline at property line (sta 3+00).
SIIEET 22, 8" SANITARY SEWER
* Dimension sewer to centcrline.
* Show 6" stub to Lot 2 and specify flowline at property line from the manhole at sta
12+89. Also show a second 6" stub to the unpIatted property and specify the
flowline at the property line.
SHEET 23, WATER & SANITARY SEWER DETAII~$
* No comments.
SHEET 24, EROSION CONTROL DETAI
* No COll'll]lentS.
6
Mar-06-97 08:40A Grap~_vin~ Public Works 817~481 0369 P.07
Co~trtm¢fion _Plans
Patriot Drive
lV~reh 5, i997
SIIEET 25, STREET LIGIIT LAYOUT PLAN
Specify 250 watt bulbs.
SHEET 26, PAVEMENT STRIPING & SIGNAGE PI, AN
* Specify paint not thermoplastic for the pavement markings (per TXDOT paint specs),
include revised mil thickness.
MISCELLANEOUS COMMENTS
* The City of Grapevine's Code of Ordinances shall be adhered to. Special attention
should be given to Appendix F, Erosion anti Sedimentation Control. Section F of this
ordinance allows the Director of Public Works to issue a "Stop-work order" for any
development, improvement, or construction which is in violation of this ordinance.
* The developer/owner will be charged a 5% Design Review and Construction
Inspection Fee for water, sanitary sewer, drainage and paving improvements within
public right-of-way or easements based on actual Construction costs. This fee is due
prior to thc City's final acceptance of the public improvements. Construction
Contracts are required to he submitted to the City of Grapevine to verify Construction
COSTS.
Each contractor within the proposed development shall guarantee their work for a
period of two (2) years after the date of final acceptance by the City of all public
improvements. Maintenance bonds shall be in an amount equal to 25 percent of thc
construction costs of the improvements within public right-of-way or easements. This
includes excavation/fill for public streets.
* The City of Grapcvine's Construction Inspector overtime policy allows the Contractor
to work from 7 a.m. to 7 p.tn., Monday through Saturday. No work is allowed on
Sundays. Overtime charges of $25 per hour shall be paid to the City by the
Contractor for work outside the norrnat work week (i.e. 8 a.m. to 5 p.m., Monday
through Friday). Saturday work requires a four (4) hour minimum overtime charge.
O: ~le~ e. llict I,lana97~ Pat ri,-n. Rv I