Park West CC(1)-CS 900601GINN, INC.
CONSULTING ENGINEERS
Date:
To:
PL~T/PL~N REVIEW ~~
June 1, 1990 ~,
Steve Goram, Director of Public ks
City of Coppell
From: Jo~uhe.r,R~E.
Re:~Park West Commerce Center
We have performed an initial review of these plans
Public Works Department Section Heads and have the
comments:
with the
following
FINAL PLAT:
Sheet 1:
Owner's Certificate appears to be in error. Correct and
clarify as noted on drawing.
Variance omitting sidewalks was not approved - remove note
from Final Plat.
Show existing official limits of floodplain on Grapevine
Creek.
4. Include the address of the Owner on the plat.
Sheet 2:
5. Show all required easements on the plat.
6. Show dimensions on Grapevine Creek Channel.
R.O.W. line curve calculations along south side of
Southwestern Drive are in conflict with each other.
8. Show R.O.W. width of Belt Line Road.
9. Correct property corner detail Sheet 2.
10. Show R.O.W. width of Wrangler Drive.
17103 Preston Road · Suite 100 · LB 118 · Dallas, Texas 75248 · Phone 214/248-4900
Sheet 3:
11. Correct R.O.W. dimensions as marked.
12. Correct Utility Easement as marked.
Sheet 4:
13.
14.
15.
16.
Show existing and dedicated R.O.W. on Southwestern Drive.
Show correct dimensions along channel in areas marked
drawings.
Identify easements as marked on drawing.
Sheet 5 - Correct dimensions and details as indicated.
on
Sheet 6:
17. Show Belt Line Road R.O.W.
18. Correct dimensions as shown.
19. Identify easement type and size east side of Block 7.
UTILITY PLANS:
1. Sheet 7 - Utility Key - Show existing and proposed utilities
and
Sheet 8:
2.
identify by size, type, line no., etc.
Sheet 9:
7.
Se
Upgrade existing 8" waterline in Belt Line Road to 12" and
connect to 24" waterline (existing).
Minimum 20' utility easements - revise as indicated.
Where is detail for tie in of 8" waterline to 24" waterline
between Executive Drive and Belt Line?
Enlarged drawings referred to for 8" and 24" waterline not
included. Include with re-submittal.
Same as #5 above for utilities in Southwestern at Belt Line.
Clarify status of sewer line and laterals shown in Freeport
Pkwy.
Revise Legend to show proposed and existing fire hydrants.
Profile all waterlines.
10. Show existing 12" waterline in Southwestern Drive and show
tie-in to proposed 12" in "new" Southwestern Drive.
11. Show tie-in to existing 8" waterline as marked on plans.
Sheet 10:
12. Easement widths do not match those on Final Plat - Clarify
and revise accordingly.
13. Show 50' Lone Star Gas Easement at Wrangler Drive.
14. Label existing waterline on north side of Wrangler Drive to
be abandoned.
15.
Label proposed 12" waterline on south side of Wrangler
Drive and show existing 12" waterline and where proposed is
to be connected.
16. Revise Legend to show proposed and existing fire hydrants
and valves.
Sheet 11:
17. Easement widths do not match those on Final Plat.
and revise accordingly.
Clarify
18. Explain the difference between bold and fine lines used to
indicate valves and fire hydrants. Revise sheet
accordingly.
19. Revise Legend to show proposed and existing fire hydrants
and valves.
20. Show existing 12" waterline at Belt Line Road.
21. Identify upgrade of 8" to 12" waterline at Belt Line Road.
Sheet 12:
22. Identify the revisions to the Belt Line/Airline intersection
(ie. relocation of 12" waterline and valves).
23. Profile all sanitary sewer lines.
24.
Show detail of proposed 8" stubout and manhole in Bullock
Drive to tract east of Bullock Drive and north of proposed
Southwestern Drive.
25. Show proposed upgrade of 12" sanitary sewer line to 24".
26. Revise to show existing 12" sanitary sewer instead of 8" as
indicated on plans.
27. Show enlarged plans for utilities in Southwestern and Belt
Line Road and of Southwestern Drive as called for on plan.
28. Show detail of manhole and stubout where railroad intersects
Executive Drive.
29. Clarify and revise to distinguish between the railroad
centerline and a proposed utility.
Sheet 13:
30. Profile all sanitary sewer lines.
31. Show existing sanitary sewer along east side of Freeport
Parkway from proposed Southwestern Annex as indicated on
plan.
32. Revise to show existing 12" sanitary sewer along Coppell
Road instead of 8".
33.
Show enlarged plans for water and sanitary sewer systems in
Southwestern Drive.
34.
Portions of sanitary sewer around the Southwestern
Drive/Southwestern Annex intersection and the Southwestern
Drive/Coppell Road intersection are shown as existing but
they are not. Clarify what is existing and what needs to be
proposed.
35. Show existing sanitary sewer along Southwestern Drive.
Sheet 14:
36. Profile all sanitary sewer lines.
37. Easement widths do not match those on Final Plat. Clarify
and revise accordingly.
38. Show all existing and proposed easements.
39. Provide sanitary sewer for area of Wrangler Drive indicated
on plan.
Sheet 15:
40. Profile all sanitary sewer lines.
41. Easement widths do not match those on Final Plat.
and revise accordingly.
Clarify
42. Show existing sanitary sewer in Crestside Drive and for old
High School.
43. Show existing water and sewer easements'in Block 7 as shown
on plan.
44. Upgrade 10" sanitary sewer to 12" along Airline Drive from
International Drive to Belt Line Road.
45. Upgrade 12" sanitary sewer to 24" along Belt Line Road from
Airline Drive to Southwestern Drive.
PAVING PLANS:
1. Paving and Drainage Plans and Profiles are needed for
Southwestern Drive.
Sheet 17:
Ail grades are to be checked and corrected accordingly,
typical for all paving sheets.
Wrangler Drive is to be improved and shown as such for plans
of streets intersecting Wrangler Drive.
4. Ail corner radii are to be 40' to accommodate truck traffic.
Sheet 19 - Street grades are to be indicated on profile from
sheet to sheet even if there is not a grade change.
Sheet 20:
Show existing drainage ditch on north side of Wrangler Drive
and indicate where it is draining.
Show street grades on profile. Include vertical curve in
areas with a change in grade of 1% or more.
8. Sheet 22 - Show street grades in profiles.
Sheet 23 - Show street grades and vertical curves in
profile,
10. Sheet 23 - Show existing drainage ditch and indicate where
it drains.
11. Sheet 26 - Only a minimum street grade of 0.50% will be
allowed.
12. Sheet 27 - Show street grades in profile.
13. Sheet 28 - Show street grades in profile using a minimum
grade of 0.50%.
14. Sheets 29-36 - Wrangler Drive is to be designed and
constructed as part of this project.
15. Sheets 32-34 - Corner radii at intersecting streets south of
Wrangler to be a minimum of 30'.
16. Sheets 34-36 - Minimum street grade shall be 0.50%.
DRAINAGE PLANS:
1. Sheet 37 Drainage area map does not match Final Plat.
Clarify and revise accordingly.
2. Sheets 38-40 - Rainfall intensity shall be determined using
U.S. Department of Commerce Weather Bureau Technical Paper
No. 40.
e
Sheets 41-59 - Include lateral profiles on all sheets. Show
hydraulic grade line for the entire system and make sure all
existing and proposed grade lines and proposed flow lines
match from sheet to sheet.
4e
Sheets 41-59 - A minimum of 2 feet of clearance shall be
required between bottom of concrete pavement and top of pipe
and culverts.
Se
e
Sheets 44-49 - Removal of the existing pavement along
Wrangler Drive to facilitate the installation of drainage
culverts will require replacement according to City of
Coppell Standards.
Furnish letter of Map Revision or Conditional Letter of Map
Revision verifying FEMA's acceptance of Grapevine Creek
Channel modifications.
Sheet 51:
6. Where are plans for drainage along Southwestern Drive?
10.
Provide plans for the rest of Line D.
Show location of existing 24" waterline in profile.
There is a drainage culvert shown just east of Executive
Drive under Southwestern Drive but it is not labeled. Is
this existing? To be abandoned? If proposed, where are
plans?
Sheet 52 - Clarify location of Line E and provide plans for
the remainder of Line E.
11.
12.
Sheet 54 - Make a greater distinction between the existing
and the proposed storm drainage culverts.
Sheet 56 - Need rip rap detail. Not shown in plans.
13. Sheet 59 - Show what is existing and what part of storm
drain is proposed in profile.
CC:
Gary Sieb
Donald E. Davis Consulting Engineers
File 90441