Advantage-CS 870120 Review of: Advantage Self-Storage (Final Plat)
A. ENGINEERING (Shohre Daneshmand)
1) Delineate PL's on Drainage Area Hap to clearly show the
~,.m 2) Ex. 10' inlet in the cul-de-sac can not handle sub
drainage area 1.
~ ~ 3) Per subdivision ordinance of the City of Coppell, design
criteria set forth in the "Design Manual for Storm
{ .' Drainage Facilities" published by the City of Dallas must
~ be used. Technical Paper 40 should be used to compute
- ' ._L.~ ~:'.~ rainfall intensi£ies. Must use Design Frequency of 100
4) Hydraulic calculation is not correct; therefore, the
storm system and inlets are not adequately draining
on-site and off-site drainage.
not match, which one is correct?
5) Existing contours on D.A. Map and Site Grading Plan do
6)Need more detail on the X-inlet; what size is it? Where
is it located (dimensions); show construction details.
7) Cover sheet and City of Coppell Construction Detail
Sheets (24" x 36") must be attached to Final Engineering
Plans.
8) Show Inlet Calculation.
9) There is Q100 = 28 CFS By Pass on DA 2; How is it being
handled?
10) Storm Sewer system is small for QIO0 = 113.
' 11) Not enough inlet on the site for drainage.
12) show the storm sewer on the Site Grading Plan (Sht. C-2).
13) Jonction Box is required where storm system makes a sharp
turn.
.... 14) Any kind of grading on south adjacent property requires
letter of permission.
15) Clearly show and delineate where you are allowing Sheet
Flow on the site.
~5,. ~,.,~ i~'~,.-,5 16) Coordinate with Ginn, Inc.'s proposed Drainage Easement
on the northwest corner of the property (see attached
layout).
:~ ~).~ 17) Does property have enough sanitary sewer service lines?
On the west side of the property? Construct a 4' M.H.
where prop. 4" S.S. is connected to Ex. 8" S.S.
18) Show TC (Time of Concentration).
k~ ~/'(~ ( ) Plat is acceptable.
DRC 010787 .
/
Page 5
PETITIONER: Allen Brewster
3109 Carlisle, Suite 208
Dallas, Texas 75204
ENGINEER Richard C. Pierce, P.C.
or Pierce Lunsford & Associates
CONSULTANT: Dallas, Texas 75204
DEVELOPER, ENGINEER Joe Beard Richard C. Pierce, P.C.
PLAISTER, SURVEYOR or 4100 Alpha Road Pierce Lunsford & Assoc.
any other DEVELOPMENT Suite 2!5 Dallas, TX. 75204
INTERESTS present: Dallas, TX. 75244
1st Review of: ADVANTAGE SELF-STORAGE - FINAL PLAT:
A. ENGINEERING (Shohre Daneshmand)
1) Delineate PL's on Drainage Area Map to clearly show the
site.
2) Ex. 10' inlet in the cul-de-sac can not handle sub
drainage area 1.
3) Per subdivision ordinance of the City of Coppe!], design
criteria set forth in the "Design Manual for Storm
Drainage Facilities" published by the City of Dallas must
be used. Technical Paper 40 should be used to compute
rainfall intensities. Must use Design Yrequency of 100
yr.
4) Hydraulic calculation is not correct; therefore, the
storm system and in]ets are not adequately draining
on-site and off-site drainage.
5) Existing contours on D.A. Map and S~te Grading Plan do
not match, which one is correct?
6) Need more detail on the X-inlet; what size is it? k~ere
is it located (dimensions); show construction details.
7) Cover sheet and City of Coppe]l Construction Detail
Sheets (24" x 36") must be attached to Final Engineering
Plans.
8) Show Inlet Calculation.
9) There is QI00 = 28 CFS By Pass on DA 2; How is it being
handled?
10) Storm sewer system is small for Q100 = liS.
11) Not enough inlet on the site for drainage.
12) Show the storm sewer on the Site Grading Plan (Sht. C-2).
13) Jonction Box is required where storm system makes a sharp
turn.
14) Any kind of grading on south adjacent property requires
letter of permission.
Page 6
15) Clearly show and delineate where you are allowing Sheet
Flow on the site.
16) Coordinate with Ginn, Inc.'s proposed Drainage Easement
on the northwest corner of the property (see attached
layout).
17) Does property have enough sanitary sewer service lines?
On the west side of the property? Construct a 4' M.H.
where prop. 4" S.S. is connected to Ex. 8" S.S.
18) Show TC (Time of Concentration).
B. BUILDING INSPECTION:
1) No Comment.
C. FIRE:
1) Refer to Security Comments:
a) Recommend on site live-in Manager.
b) On site water main cut off valves - not required, but
would like to see them put in.
D. LONE STAR GAS:
1) No representative was present.,
E. GENERAL TELEPHONE: 1) Service is available.
2) Final plat is acceptable.
F. COPPELL CABLEVISION:
1) No Comment.
G. U.S. POSTAL SERVICE:
I) Delivery service currently provided in area.
H. DEVELOPMENT INSPECTOR:
1) ~at size "X" inlet? (64.2 CFS?)
2) The RV and Boat Storage w~ll have to be screened along
property line from view of property east and
south/Council questions this also.
3) Northeast corner will have to be hyrdo-mulched for
corrosion control to existing inlet.
4) Southeast corner:
a) Are we allowin~ access to property through Northlake
Drive? - Grate
b) Will inlet on Northlake Drive handle 5.4 CFS more
water?
Page 7
5) Add three (3) more 8" water valves.
6) Slope of 3:1 - 2:1 will have to be hyrdo-mulched.
I. TEXAS POW-ER AND LIGHT:
1) Final Plat is acceptable.
J. PARKS AND RECREATION:
1) Unable to obtain comments from Public Works Department -
please contact Steve Goram, Director of Public Works, at
462-0022.
K. PLANNING AND DEVELOPMENT:
1) Revisions must be submitted by 3:00 p.m. on Monday,
January 12, 1987 to be eligible for January 15, 1987
Planning and Zoning Commission action.
2) This item is tentatively scheduled for January 15, 1987
Planning and Zoning Commission action. A representative
must be present at this meeting. Failure to appear may
result in denial of this application.
3) Please submit 22 sets of plans prior to January I2, 1987
for Planning and Zoning Commission and City Council
review.
4) Please respond to all comments in the form of a letter.