Riverchase(2)-CS 880329 (2) CITY OF COPPELL
ENGINEERING DEPARTMENT
PRELIMINARY PLAT AND PLANS:
A. Please make the following additions and/or corrections:
1) _ The names and zoning of adjacent properties, names on record
of owners of adjoining parcels.
2) _ The location, widths and names of all existing and proposed
streets, easements, fire lanes or other public ways within or
adjacent to the tract.
3) _ Existing and proposed zoning of the site and the surrounding
properties.
4) Topography of the site (intervals of 5 feet or less,referred
to sea level datum).
B. The following information is required to be contained in the
preliminary engineering plans.
1) _ Submit preliminary engineering plans.
2) The plans shall show existing structures . . . utilities . .
· sewers . . . water mains . . . culverts . . . and other
underground structures within the tract immediately adjacent
thereto with pipe sizes and locations.
3) _ Preliminary plans of proposed water distribution system . . .
sewage collection system . . . , and their relation to the
existing utilities in the area, and to the Utility Master
Plan.
4) ~ Provide a Drainage Area Map, covering two parts:
a) show On-site Drainage Map, on a scale of 1" ~ 20' 40'
50', etc . . .; with all details as required in the
Subdivision Ordinance;
b) show the Off-site Drainage Map, on a scale of 1" = 100',
200', etc. . . Delineate the project's boundary on it,
plus the less detailed drainage system, to clearly
demonstrate the affect of such activities, drainage
outfalls, on the adjacent properties and the Drainage
Master Plan.
5) If the applicant is requesting any variance to the Subdivision
Ordinance, he must submit a letter specifically outlining his
respective requests.
6) _~ Per Floodplain Management Ordinance, (Art. 5, Sec. C, Item 4,
Page 34), all subdivision proposals must have the following
note placed on the preliminary and final plats:
"Floodplain Development Permit Application No.
has been filed with the City of Coppell Floodplain
Administrator on , 19 .
(Floodplain Administrator) (Date)
7) Show the boundaries of the 100-year Floodplain and Floodway
clearly on the preliminary and final plats.
8) ~ Ail above comments must be addressed, prior to Engineering
Staff's final recommendation on this plat.
DRC/COMMENTS/ENG/PRELIM
MEMO1
CITY OF COPPELL
ENGINEERING DEPARTMENT
FINAL PLAT AND PLANS:
A. Please make the following additions and/or corrections:
1) Name of the proposed subdivision must be consistent on the
plat and all pages of the construction plans, etc. . .
2) Location . . . width . . ., and the name of all existing or
recorded streets intersecting the boundary of the tract.
3) ~ Delineate the existing and proposed zoning of the site and the
surrounding properties.
4) The accurate outline of all property which is offered for
dedication for public use with the purpose indicated there on.
Fire lanes must be shown on final plats.
5) ~ Certification by a registered Public Surveyor to the effect
that the plat represents a survey made by him.
B. The following information is required to be contained in the final
construction plans of the above project:
1) ~ Provide final construction plans, simultaneously with final
plat submittal. Final plans must have a cover sheet, and
standard detail sheets.
2) ~ Delineate proposed and existing water distribution system and
pipe sizes.
3) / Delineate proposed and existing sewage collection system and
pipe sizes.
4) _~F Provide a Drainage Area Map covering two parts:
a) show On-site Drainage Map, on a scale of 1" = 20', 40',
50' etc . . .; with all details as required in the
Subdivision Ordinance;
b) show the Off-site Drainage Map, on a scale 1' = 100',
200', etc. . . Delineate the project's boundary on it,
plus the less detailed drainage system, to clearly
demonstrate the affect of such activities, drainage
outfalls, on the adjacent properties and the Drainage
Master Plan.
5) _/ Ail storm sewer systems must be designed for lO0-year design
frequency. Technical Paper 40 should be used to compute
rainfall intensities, as per the Subdivision Ordinance,
(Appendix "A", Page 30).
6) Each sheet of the plans shall contain a title block. - _
7) _~ Per Floodplain Management Ordinance, (Art. 5, Sec. C, Item 4,
Page 34), all subdivision proposals must have the following
note placed on the preliminary and final plat:
"Floodplain Development Permit Application No.
has been filed with the City of Coppell Floodplain Administra-
tor, on , 19 .
(Floodplain Administrator) (Date)
8) ~ Ail lots within or adjacent to the lO0-year Floodplain
shall
have the lowest floor elevation for each building site shown
on the site grading plans.
9) Delineate page numbers on all the plans, including standard
detail sheets, consistently.
10) Show the hydraulic calculations for each portion of the storm
system on the profile, such as pipe size, Q100 (cfs), Qc
(cfs), S, V (FIS) etc. . .
11) ~ Final construction plans must be approved prior to final plat
submittal to the City Council.
12) ~ Ail above comments must be addressed, prior to Engineerg
Staff's final recommendation on this plat.
DRC/COMMENTS/ENG/FINAL
MEMO1