Loading...
HomeMy WebLinkAboutSite Certifications - 10/25/2016POUDRE RIVER DRIVE HOFFMAN MILL ROAD HOFFMAN MILL ROAD POUDRE RIVER DRIVE PRIVATE DRIVE PARCEL #8718200077 4956 4957 4955 4954 4956 4957 4956 4957 4957 4957 4957 4958 4956 4957 4957 4957 4957 4956 4957 4955 4956 (58.25) TBC (58.25) TBC (57.80) FL (57.80) FL (57.89) LIP (57.89) LIP (57.13) SSMH (57.13) SSMH (57.56) FL (57.24) FL (57.04) (56.94) FL SSMH (56.59) FL (56.42) FL (56.75) FL (56.96) FL (57.13) FL 00 10' 20' 40' 1"=20' GRADING PLAN FOR BURIED UTILITY INFORMATION THREE (3) BUSINESS DAYS BEFORE YOU DIG CALL 811 (OR 1-800-922-1987) UTILITY NOTIFICATION CENTER OF COLORADO (UNCC) WWW.UNCC.ORG R CITY OF FORT COLLINS, COLORADO UTILITY PLAN APPROVAL C3.0 POUDRE RIVER BUSINESS PARK, FOURTH FILING 620 S. LEMAY AVENUE FORT COLLINS, CO 80524 PARKING AT Sheet 1 of 2 Designer: Company: Date: Project: Location: 1. Basin Storage Volume A) Effective Imperviousness of Tributary Area, Ia Ia = 41.0 % (100% if all paved and roofed areas upstream of rain garden) B) Tributary Area's Imperviousness Ratio (i = Ia/100) i = 0.410 C) Water Quality Capture Volume (WQCV) for a 12-hour Drain Time WQCV = 0.15 watershed inches (WQCV= 0.8 * (0.91* i3 - 1.19 * i2 + 0.78 * i) D) Contributing Watershed Area (including rain garden area) Area = 43,124 sq ft E) Water Quality Capture Volume (WQCV) Design Volume VWQCV = cu ft Vol = (WQCV / 12) * Area F) For Watersheds Outside of the Denver Region, Depth of d6 = 0.43 in Average Runoff Producing Storm G) For Watersheds Outside of the Denver Region, VWQCV OTHER = 524.6 cu ft Water Quality Capture Volume (WQCV) Design Volume H) User Input of Water Quality Capture Volume (WQCV) Design Volume VWQCV USER = cu ft (Only if a different WQCV Design Volume is desired) 2. Basin Geometry A) WQCV Depth (12-inch maximum) DWQCV = 5 in B) Rain Garden Side Slopes (Z = 4 min., horiz. dist per unit vertical) Z = 4.00 ft / ft (Use "0" if rain garden has vertical walls) C) Mimimum Flat Surface Area AMin = 350 sq ft D) Actual Flat Surface Area AActual = 390 sq ft E) Area at Design Depth (Top Surface Area) ATop = 2445 sq ft F) Rain Garden Total Volume VT= 591 cu ft (VT= ((ATop + AActual) / 2) * Depth) 3. Growing Media 4. Underdrain System A) Are underdrains provided? B) Underdrain system orifice diameter for 12 hour drain time i) Distance From Lowest Elevation of the Storage y = 1.0 ft Volume to the Center of the Orifice ii) Volume to Drain in 12 Hours Vol12 = 525 cu ft iii) Orifice Diameter, 3/8" Minimum DO = 0.61 in Design Procedure Form: Rain Garden (RG) MAP QUALITY ENGINEERING March 4, 2015 620 S. LEMAY AVE.PARKING EXPANSION FORT COLLINS, COLORADO Choose One Choose One 18" Rain Garden Growing Media Other (Explain): YES NO UD-BMP_RAIN GARDEN.xlsm, RG 3/4/2015, 3:49 PM Sheet 2 of 2 Designer: Company: Date: Project: Location: 5. Impermeable Geomembrane Liner and Geotextile Separator Fabric A) Is an impermeable liner provided due to proximity of structures or groundwater contamination? 6. Inlet / Outlet Control A) Inlet Control 7. Vegetation 8. Irrigation A) Will the rain garden be irrigated? Notes: Design Procedure Form: Rain Garden (RG) MAP QUALITY ENGINEERING March 4, 2015 620 S. LEMAY AVE.PARKING EXPANSION FORT COLLINS, COLORADO Choose One Choose One Choose One Sheet Flow- No Energy Dissipation Required Concentrated Flow- Energy Dissipation Provided Plantings Seed (Plan for frequent weed control) Sand Grown or Other High Infiltration Sod Choose One YES NO YES NO UD-BMP_RAIN GARDEN.xlsm, RG 3/4/2015, 3:49 PM Sheet 1 of 2 Designer: Company: Date: Project: Location: 1. Basin Storage Volume A) Effective Imperviousness of Tributary Area, Ia Ia = 41.0 % (100% if all paved and roofed areas upstream of rain garden) B) Tributary Area's Imperviousness Ratio (i = Ia/100) i = 0.410 C) Water Quality Capture Volume (WQCV) for a 12-hour Drain Time WQCV = 0.15 watershed inches (WQCV= 0.8 * (0.91* i3 - 1.19 * i2 + 0.78 * i) D) Contributing Watershed Area (including rain garden area) Area = 43,124 sq ft E) Water Quality Capture Volume (WQCV) Design Volume VWQCV = cu ft Vol = (WQCV / 12) * Area F) For Watersheds Outside of the Denver Region, Depth of d6 = 0.43 in Average Runoff Producing Storm G) For Watersheds Outside of the Denver Region, VWQCV OTHER = 524.6 cu ft Water Quality Capture Volume (WQCV) Design Volume H) User Input of Water Quality Capture Volume (WQCV) Design Volume VWQCV USER = cu ft (Only if a different WQCV Design Volume is desired) 2. Basin Geometry A) WQCV Depth (12-inch maximum) DWQCV = 5 in B) Rain Garden Side Slopes (Z = 4 min., horiz. dist per unit vertical) Z = 4.00 ft / ft (Use "0" if rain garden has vertical walls) C) Mimimum Flat Surface Area AMin = 350 sq ft D) Actual Flat Surface Area AActual = 374 sq ft E) Area at Design Depth (Top Surface Area) ATop = 2445 sq ft F) Rain Garden Total Volume VT= 587 cu ft (VT= ((ATop + AActual) / 2) * Depth) 3. Growing Media 4. Underdrain System A) Are underdrains provided? B) Underdrain system orifice diameter for 12 hour drain time i) Distance From Lowest Elevation of the Storage y = 1.0 ft Volume to the Center of the Orifice ii) Volume to Drain in 12 Hours Vol12 = 525 cu ft iii) Orifice Diameter, 3/8" Minimum DO = 0.61 in Design Procedure Form: Rain Garden (RG) MAP QUALITY ENGINEERING October 18, 2016 ASBUILT - 620 S. LEMAY AVE.PARKING EXPANSION FORT COLLINS, COLORADO Choose One Choose One 18" Rain Garden Growing Media Other (Explain): YES NO ASBUILT_UD-BMP_RAIN GARDEN.xlsm, RG 10/18/2016, 9:00 AM Sheet 2 of 2 Designer: Company: Date: Project: Location: 5. Impermeable Geomembrane Liner and Geotextile Separator Fabric A) Is an impermeable liner provided due to proximity of structures or groundwater contamination? 6. Inlet / Outlet Control A) Inlet Control 7. Vegetation 8. Irrigation A) Will the rain garden be irrigated? Notes: Design Procedure Form: Rain Garden (RG) MAP QUALITY ENGINEERING October 18, 2016 ASBUILT - 620 S. LEMAY AVE.PARKING EXPANSION FORT COLLINS, COLORADO Choose One Choose One Choose One Sheet Flow- No Energy Dissipation Required Concentrated Flow- Energy Dissipation Provided Plantings Seed (Plan for frequent weed control) Sand Grown or Other High Infiltration Sod Choose One YES NO YES NO ASBUILT_UD-BMP_RAIN GARDEN.xlsm, RG 10/18/2016, 9:00 AM Adam Sass Project Manager Adam.Sass@HeathConstruction.com 970/221-4195 Heath Construction 141 Racquette Dr Fort Collins, Co 80521 (57.44) FL (57.74) FL (58.66) FH TOP FLANGE (54.64) CL AD (57.56) FL (57.59) FL CLHCR (57.67) FL CLHCR (57.87) FL (56.40) FL (55.99) FL (55.87) FL (55.85) FL (55.78) FL (55.72) FL (55.67) FL (55.45) FL (55.23) FL CC (55.64) FL (55.83) FL (55.90) FL (55.92) FL (55.96) FL (56.03) FL (56.30) FL (56.56) FL (56.45) FL (56.49) FL (56.53) FL (57.00) FL (57.25) FL (57.11) FL (56.98) FL (56.89) FL (56.90) FL (56.93) FL (57.26) FL (57.00) FL (56.82) FL (56.74) FL (56.66) FL (56.69) FL (56.81) FL (57.95) FL (57.77) FL CLHCR (57.76) FL CLHCR (57.79) FL (55.23) FL PAN (55.44) FL PAN (55.72) FL PAN (56.03) FL PAN (56.56) FL PAN (56.67) FL PAN (56.87) FL PAN (56.42) FL PAN (56.13) FL PAN (55.94) FL PAN (56.63) FL (56.62) FL (56.60) FL (56.64) FL (56.61) FL (56.06) FL (56.03) FL (56.04) FL (56.05) FL (56.09) FL (57.25) FL (57.25) FL (57.30) FL (57.33) FL (57.38) FL (57.34) FL (57.28) FL (57.25) FL (57.24) FL (57.26) FL (57.33) FL (57.95) FL (58.07) FL (58.16) FL (58.17) FL (58.07) FL (58.01) FL (57.98) FL (58.40) TBC (57.93) (58.55) LIP EOC (58.69) EOC (58.75) EOC (58.76) EOC (58.75) EOC (58.64) EOC (58.64) EOC (58.61) EOC (58.59) EOC (58.55) EOC (58.47) EOC (56.19) TOP (56.96) TOP (56.79) TOP (57.07) TOP (56.06) TBC (54.26) TOE (54.25) TOE (53.94) TOE (53.99) TOE (55.87) TBC (55.70) TBC (54.38) TOE (54.26) TOE (55.74) 2002 (55.74) 2001 ASBUILT RECORD DRAWING FOR BURIED UTILITY INFORMATION THREE (3) BUSINESS DAYS BEFORE YOU DIG CALL 811 (OR 1-800-922-1987) UTILITY NOTIFICATION CENTER OF COLORADO (UNCC) WWW.UNCC.ORG R EX.1 POUDRE RIVER BUSINESS PARK, FOURTH FILING 620 S. LEMAY AVENUE FORT COLLINS, CO 80524 PARKING AT