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HomeMy WebLinkAboutP_Drainage_Control_Plan_20210521_v1.pdf12"CON. 14DL8"CON. 14DL 18"CON. 25DL 14"CON. 18DL 48"DEC. 40DL 48"DEC. 40DL 30313232 323 2 32323333 TW: 32.53 BW: 30.00 ± TW: 33.96 BW: 30.50 ± TW: 32.37 BW: 30.00 ± TW: 32.13 BW: 31.11 CB # 7 CB # 8 CB # 14 CB # 10 CB # 9 CB # 11 32 CB # 6 CB # 5 WQ # 1 CB # 4 CB # 3 FC # 1 WQ # 2 FC # 3 CONNECT TO EXISTING IE: 26.10 24" (NE) IE: 26.10 24" (SE)CB # 2 CB # 1 CONNECT TO EXISTING STORM IE: 26.78 24" (SW) P - (4) SP 13 SP 7 SP 8 SP 11 SP 9 SP 10 SP 12 SP 6 SP 2 SP 1 SP 4SP 5 SP 3 SP 14 CB # 12 CB # 13 PROPOSED MULTIFAMILY BUILDING FFE=32.08 FC # 2 WQ # 3 30CB # 1 CB # 2 CB # 3 CB # 4 CB # 5 CB # 6 CB # 7 TYPE 1 RIM= 30.56 IE= 26.66(24" CPEP, SW) IE= 26.66(24" CPEP, NE) TYPE 1 RIM= 30.63 IE= 26.40 (24" CPEP, NE) IE= 26.40 (24" CPEP, SW) TYPE 1 RIM= 30.73 IE= 26.92 (24" PIPE, SE) IE= 26.35(24" CPEP, SW) IE= 26.35(24" CPEP, NE) TYPE 1 RIM= 30.97 IE= 26.22 (24" CPEP, NE) IE= 26.22(24" CPEP, NW) 54" TYPE 2 RIM= 31.75 IE= 27.54 (8" CPEP, E) IE= 26.19 (24" CPEP, SW) IE= 25.69(36" CMP, NW) 54" TYPE 2 RIM= 33.59 IE= 25.69 (36" CMP, SE) IE= 25.69(36" CMP, NW) 48" TYPE 2 RIM= 32.28 IE= 25.69 (36" CMP, SE) IE= 25.69(36" CMP, N) CB # 8 CB # 9 CB # 10 CB # 11 CB # 12 CB # 13 CB # 14 72" TYPE 2 RIM= 32.44 IE= 25.69 (36" CMP, S) IE= 27.55(8" CPEP, NW) IE= 25.69(36" CMP, E) TYPE 1 RIM= 30.99 IE= 28.01 (8" CPEP, SE) IE= 28.01 (8" CPEP, E) TYPE 1 RIM= 31.73 IE= 28.26(8" CPEP, W) TYPE 1 RIM= 32.20 IE= 28.24(8" DI, E) IE= 28.24(8" DI, N) TYPE 1 RIM= 30.28 IE= 29.09 (8" DI, W) 54" TYPE 2 RIM= 30.61 IE= 25.69 (36" CMP, W) IE= 25.69(24" CPEP, N) 54" TYPE 2 RIM= 32.36 IE= 25.69 (24" CPEP, S) IE= 25.69(36" CMP, W) FC # 1 FC # 2 FC # 3 WQ # 1 WQ # 2 WQ # 3 IE= 28.01 (8" CPEP, NE) IE= 28.25 (8" CPEP, S) IE= 27.93 (8" DI, S) IE= 27.78 (8" CPEP, W) IE= 28.15 (8" CPEP, SW) IE= 28.38 (8" CPEP, N) SP 1 SP 2 SP 3 SP 4 SP 5 SP 6 SP 7 SP 8 SP 9 SP 10 SP 11 SP 12 SP 13 SP 14 40 LF 24" CPEP @ 0.30% 84 LF 24" CPEP @ 0.31% 14 LF 24" CPEP @ 0.36% 42 LF 24" CPEP @ 0.31% 40 LF 24" CPEP @ 0.30% 9 LF 24" CPEP @ 1.00% 24 LF 8" CPEP @ 1.00% 14 LF 8" CPEP @ 1.00% 46 LF 8" CPEP @ 1.00% 26 LF 8" CPEP @ 0.98% 14 LF 8" CPEP @ 0.97% 31 LF 8" DI @ 1.00% 85 LF 8" DI @ 1.00% 5 LF 24" CPEP @ 0.00% WATERSHED AFFORDABLE HOUSING APARTMENTS 20200930 PRELIMINARY PLANNED URBAN DEVELOPMENT 05/21/2021 1 2 3 4 TEL www.ahbl.comWEBTELwww.ahbl.comWEBTELwww.ahbl.comWEB 2215 North 30th Street, Suite 300 Tacoma, WA 98403 253.383.2422TEL www.ahbl.comWEB TACOMA SEATTLE SPOKANE TRI-CITIES Know what's below. before you dig.Call R 253.383.2572 FAX below.Know what'sCallbefore you dig. R DATE: May 21, 2021 FILENAME: \\ahbl.com\data\Projects\2020\2200335\10_CIV\CAD\2200335-SH-STRM.dwg C2.00 ---- DRAINAGE CONTROL PLAN STORM DRAINAGE MANHOLE - TYPE 2 CATCH BASIN - TYPE I STORM DRAINAGE CLEANOUT DOWNSPOUT CONNECTION STORM DRAINAGE PIPING ROOF DRAIN PIPING FOOTING DRAIN DS GRAPHIC SCALE 0 20 40 1" = 20 FEET 10 N 550 LF 3-FOOT DIAMETER CMP DETENTION TANK BOTTOM EL=25.69 DESIGN SURFACE ELEVATION=28.19 VOLUME AT RISER=3141 CF BIPOD WQ SYSTEM PROPOSED SEWER, GAS, AND WATER PER UTILITY PLAN, SHEET C2.00. EXISTING FLOW LINE SLOPE TO NORTH AVERAGES APPROX 0.38%. LOWER EXISTING CATCH BASIN TO INCREASE EXISTING SLOPE TO 0.50%. SEE FRONTAGE PLANS FOR APPROXIMATE ROAD CROSS SLOPE. 1 2 3 # #STORM PIPE TABLE # #STORM STRUCTURE TABLE # #STORM CONNECTIONS 1 1 1 NOTES TOTAL PROPERTY AREA WITH DEDICATION=1.285 ac AREA OF WORK=1.285 ac TONS OF SOIL TO BE ADDED= 4,000 CY FILL OR 2060 TONS TONS OF SOIL TO BE REMOVED OR RELOCATED= 0 TONS TYPE OF FILL IS TO BE LOCALLY SOURCED MEETING REQUIREMENTS SET FORTH BY THE GEOTECHNICAL ENGINEER FOR STRUCTURAL FILL. 2 2 2 3 PROPOSED CIP WALL WITH GUARDRAIL KEY NOTES LEGEND 05/21/2021