HomeMy WebLinkAboutHARMONY TECHNOLOGY PARK THIRD FILING - Filed M-MISCELLANEOUS - 6, . City of Ft. Collins Approved Plans
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19 Ol:DTOWN SQUARE•_ :. SUITE 238
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FORT CoLLINS CQ'8O524
A 970,419 ,43444 • '
•„ Final DraiAage and Erosion Control
Report for
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Harmony Technology Park
Third Filing, First Replat
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;¢° Fort Collins, Colorado
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rx May 18, 2011
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Mr. Glen Schleuter May 18, 2011
60 City of Fort Collins
Water Utilities--Storm water
700 Wood Street
Fort Collins, Colorado 80521
RE: Final Drainage and Erosion Control Report for the Harmony Technology Park Third
Filing, First Replat
d
Dear Glen: ,,,,
We are pleased to submit to you, for your review and approval, this Final Drainage and Erosion
Control Report for the Harmony Technology Park Third Filing, First Replat. All computations
within this report have been completed in compliance with the City of Fort Collins Storm Drainage
Design Criteria.
We appreciate your time and consideration in reviewing this submittal. Please call if you have any
questions.
40
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Respectfully,
Aspen Engineering
ADO Cie.
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M. 3 3251 c rr
T..•7-2z-i(
John Gooch,P.E. . /O •`••.ECG
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Me Principal
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TABLE OF CONTENTS
DESCRIPTION PAGE
,, „ I. GENERAL LOCATION AND DESCRIPTION 5
- ° A. LOCATION 5
B. DESCRIPTION OF PROPERTY 5
II. DRAINAGE BASINS 5
A. MAJOR BASIN DESCRIPTION 5
B. EXISTING SUB-BASIN DESCRIPTION 6
III. DRAINAGE DESIGN CRITERIA 6
• '"` A. REGULATIONS 6
44 x B. DEVELOPMENT CRITERIA REFERENCE AND CONSTRAINTS 6
C. HYDROLOGIC CRITERIA 6
D. HYDRAULIC CRITERIA 7
gam' E. VARIANCE 7
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IV.. DRAINAGE FACILITY DESIGN 8
A. GENERAL CONCEPT 8
B. SPECIFIC DETAILS 8
C. DETENTION PONDS 12
D. STREET CAPACITIES 12
V. STORM WATER QUALITY 12
' ,' A. GENERAL CONCEPT 12
1 ' B. SPECIFIC DETAILS 12
VI. EROSION CONTROL
13
- y A. GENERAL CONCEPT 13
s VII. CONCLUSIONS 13
F;_ ' A. COMPLIANCE WITH STANDARDS 13
B. DRAINAGE CONCEPT 13
?µ" 14
C. STORM WATER QUALITY
fl- D. EROSION CONTROL CONCEPT 14
E. EROSION CONTROL ESCROW ESTIMATE 14
;, 15
REFERENCES
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APPENDIX
PAGE
VICINITY MAP A
RATIONAL METHOD HYDROLOGY B
,u; STORM SEWER PIPE SIZING C
T. INLET&CURB CUT SIZING D
MP SWALE SIZING E
ry EROSION CONTROL&RIPRAP SIZING F
r:;. PROPOSED DRAINAGE EXHIBIT w/EXISTING BASINS SHOWN G
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