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sections 7209N and 7301 of the New York State Education Law for any person, unless acting under the direction of a registered architect, licensed engineer or land surveyor to alter this drawing. If altered such R.A., P.E. or L.L.S. shall affix his or her seal, signature, the date,the notation "Altered By" and a specific description of the alteration. All Rights Reserved. Reuse of these documents without the expressed written permission of CARMINAWOOD DESIGN is prohibited. WARNING it is a violation of article 145 Greensboro Utica Buffalo 6" HDPE ROOF LEADER @ 1.0% D.S. CB 1 D.S. RIM 529.05 8 EX. CB INV 527.17 RIM 529.00 D.S. INV 527.00 D.S. Proposed Bank PROPOSED SINGLE-STORY BANK 2,750± S.F. EXISTING 2-STORY 6" HDPE ROOF F.F.E. = 530.40 OFFICE BUILDING LEADER @ 1.0% 45 LF 8" 3,150 S.F. FOOTPRINT HDPE @ 0.3% F.F.E. = 530.90 EX. CB NOTE: COORDINATE DOWNSPOUT LOCATIONS WITH ARCHITECTURAL RIM 530.50 DRAWINGS INV 529.1± NE © CARMINA WOOD DESIGN CB 2 INV 528.8± E,W West Seneca, NY 1465 Union Road D.S. RIM 529.05 D.S. D.S. D.S. INV 527.03 6" HDPE ROOF CB 3 LEADER @ 1.0% RIM 529.30 D.S. D.S. 24 LF 8" STOP INV 526.60 HDPE @ 0.3% EX. CB RIM 529.50 EX. CB INV 526.86 RIM 529.35 6" HDPE ROOF (ADJUST RIM LEADER @ 1.0% AS REQUIRED) INSTALL 12"x12" TEE INV 526.72 ON EX. 12" STORM EX. YD PIPE INV 526.96 RIM 530.50 STOP INV 527.06 48 LF 12" Date HDPE @ 0.2% DO NOT ENTER CONNECT TO EX. 12" STORM PIPE EX. CB INV 526.50 RIM 529.70 INV 526.70 No. Description EX. CB STORMWATER DETENTION SUMMARY: REVISIONS: RIM 528.70 EX. CB INV 526.46 RIM 529.70 EVENT EX. RUNOFF (CFS) PROP. RUNOFF (CFS) ELEVATION (FEET) STORAGE (CF) INV 526.60 1-YEAR 2.03 0.96 526.60 1,104 10-YEAR 3.83 1.69 527.35 2,548 15 25-YEAR 4.81 2.05 527.83 3,418 100-YEAR 6.75 2.85 529.23 5,193 STORMPRO V37 TREATMENT STRUCTURE RIM 530.25 ARY CTION INV IN 526.40 W INV OUT 526.40 E CONSTRU PRELIMIN PROPOSED UTILITY LEGEND POTENTIAL FUTURE PROPOSED STORM SEWER ST PARKING EXPANSION PROPOSED SANITARY SEWER 6" SA NOT FOR EX. UNDERGROUND DETENTION SYSTEM PROPOSED WATERLINE 1" W PROPOSED CATCH BASIN CB EX. CB PROPOSED YARD DRAIN YD RIM 530.00 8" INV 526.29 W 6" INV 525.79 SW PROPOSED MANHOLE MH 8" INV 525.79 S DRAWING NAME: PROPOSED HYDRANT ASSEMBLY Drainage Plan PROPOSED GATE VALVE GV NOTE: FOR PROPOSED VALVE BOXES, CLEANOUTS, ETC., INSTALL A 3,000 PSI CONCRETE COLLAR AROUND THE ITEM AT GRADE. THE COLLAR SHALL BE A MINIMUM OF 6" WIDER, ON ALL SIDES, THAN THE BOX, CLEANOUT, ETC. THE COLLAR SHALL BE A MINIMUM OF 6" THICK. Date: 1/20/26 Drawn By: A. Pandolfe Drainage Plan NOTE: BOUNDARY AND TOPOGRAPHIC INFORMATION PROVIDED BY OTHERS, Scale: DRAWING NO. As Noted CARMINA WOOD DESIGN ASSUMES NO RESPONSIBILITY FOR ITS ACCURACY. SCALE: 1"=30' 20' 20 0 20 40Ft. C-300 Project No: 25-4181 Page 9 of 65