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EXISTING STORM SEWER INLET
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PROPOSEO STORM SEWER
PROPOSED STORN SEWER INLET
EXISTING CONTOUR
20—
PROPOSED CONTOUR
PROPOSED CURB AND GOTTEN
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FORT COLONS DATUM SLIM-4956.22
LOCATED 2.0 NKFS SOUTH HONG U.S. 287 FROM ITS
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PRELIMINARY
NOT FOR CONSTRUCTION
Februory 3. 2004
ARTHUR DITCH CO.
APPROVED:
a moC, Johnson. Prcs.
APPROVED ene Fisher. orney —
CALL UTILITY NOTIFICATION
CENTER OF COLORADO
1-800-922-1987
BR303- 232-1991 INENN.EFO
CALL 2 BUSINESS DAYS IN NN.WCE
BEFORE YOU OG. OMNI ON EXGVATE
FOR THE WARNING OF UNDERGRDunD
WENBER UTIURES.
City of Fort Collins, Colorado
UTILITY PLAN APPROVAL
APPROVED:
T r Engineer —Dare
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1 Water Quality
1 Exhibits
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APPROVED:
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City of Fort Collins. Colorado
UTILITY PLAN APPROVAL
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Appendix A
Existing and Proposed
Conditions
1
' Mr. Basil Hamdan Page...............2
Raising Cane's Chicken Fingers February 3, 2004
iStormwater Detention
Due to the amount of impervious surface on the site not being increased, thereby not
increasing the amount of stormwater leaving the site, stormwater detention is not
planned for the site at the current time. An exhibit depicting the amount of existing and
proposed impervious surfaces is included in Appendix A for review.
' Water Quality
' The quality of stormwater runoff leaving the site will be addressed within a proposed
water quality pond that is to be constructed along the east boundary of the site. This
water quality pond has been sized to accommodate stormwater runoff falling within the
site, and will discharge into the existing drive at the northeast corner of this site, thereby
maintaining the existing discharge point for stormwater runoff leaving the site. Exhibits
depicting the ro os'ed""stormwater detention
P� 9 P P pond, the proposed location of the
' discharge point, and the associated stage -storage relationship are contained in
Appendix B for review.
We will provide detailed information regarding existing and proposed stormwater flows,
' water quality outlet structures, and other items with the submittal of final construction
documents to the City of Fort Collins. If you have any questions regarding this proposed
development or the information included in this report, please contact us at your
' convenience.
Sincerely,
' Northern Engineering Services, Inc.
et rto Pa" L_
cn, P.E.
' Project Engineer
Attachments
I
I
1 NE
NORTHERN
ENGINEERING
SERVICES, INC.
' February 3, 2004
Mr. Basil Harridan
' City of Fort Collins Stormwater Utility
P.O. Box 580
Ft. Collins, CO 80522
Re: Raising Cane's Chicken Fingers
Preliminary Stormwater Drainage Report
Fort Collins, CO
Northern No. CHX 03-113.01 PRE
Dear Mr. Hamdan:
The intent of this report is to provide a conceptual overview of the existing and proposed
drainage patterns associated with the re -development of an existing property along
South College Avenue in Fort Collins, Colorado.
Project Description
The proposed development is the construction of a 3,244 square foot drive-thru
restaurant along South College Avenue in Fort Collins, Colorado. Associated parking,
driving lanes, utilities, and drainage improvements will be constructed along with the
proposed structure.
Existing Conditions & Historic Drainage Patterns
The existing site consists of mainly concrete and asphalt paved surfaces, along with an
existing building slab in the center of the site. The majority of stormwater falling on the
site drains to the northeast through a minor existing swale, discharging into Dartmouth
Road at the northeast corner of the site. A small portion of the site (approximately 10%)
flows to the west, discharging into the easternmost northbound travel lane of South
College Avenue.
Proposed Conditions & Drainage Patterns
The proposed impervious surfaces for the existing site will be less than or equal to those
on the existing site according to the proposed site plan, thereby not increasing the
amount of stormwater runoff leaving the site, provided the site is constructed according
to the proposed site plan. Similarly, the proposed site will contain approximately the
same flow patterns as the existing site. The majority of the site will flow to the east to a
proposed water quality pond along the east property line. A small portion of the site,
mainly the area immediately west of the proposed building and the area within the
College Avenue right-of-way, will continue to flow to the west, discharging into South
College Avenue. The proposed stormwater quality pond will discharge into Dartmouth
Road, thereby maintaining the existing stormwater discharge point for the majority of the
site.
420 SOUTH HOWES, SUITE 202 / FORT COLLINS, COLORADO 80521 / 970.221.4158 / FAX 970.221.4159
Preliminary Drainage Study
For
Raising Cane's Chicken Fingers
Fort Collins, Colorado
February 3, 2004
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Prepared For:
Raising Cane's Chicken Fingers
1212 S. Acadian Parkway
Baton Rouge, LA
70806
Prepared By:
NE NORTHERN
ENGINEERING
SERVICES, INC.
420 S. Howes, Suite 202 Fort Collins, Colorado 80521
Phone: (970) 2214158 Far: (970) 2214159
Project Number: CMP 00-026.00