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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 UE G UE EX. PIN CB W RIM:683.34 Utica APPROX. LOCATION G N. INV:672.94 (18") ST UE S. INV:673.10 (18") OE SA CB W Buffalo 2" RIM:680.53 G 3 8'- UE N. INV:671.23 (18") EX 5A' N . CB °-5 OE ST W 5.2 S 2' E OE 0 S. INV:671.23 (18") .N . 0 RIM:685.39 0.3G 1 AI C.O. N. INV:677.49 (18") L UE CONNECT DOWNSPOUTS TO 6" HDPE PERIMETER 87°-09'-45" S. INV:677.49 (16") UE DRAIN @ 1.0%. COORDINATE DOWNSPOUT YD 4 E. INV:676.99 (4") W LOCATIONS WITH ARCHITECTURAL PLANS. STG RIM 680.20 OR INV 678.70 UE UE SA OT MH OE L IT. RIM:685.89 W CB 6 C.O. B NW. INV:676.14 (12") CH G RIM 679.00 UE INV 676.80 SE. INV:676.22 (12") SA Multifamily Development 1 .0 130 LF 6" W PP . OE AR HDPE @ 0.5% G CB 1 'E CONNECT DOWNSPOUTS TO 6" HDPE PERIMETER UE RIM 683.25 ST DRAIN @ 1.0%. COORDINATE DOWNSPOUT EX. REBAR BU PRO ING .F.E. LOCATIONS WITH ARCHITECTURAL PLANS. INV 681.00 ILD F 126 LF 8" PO W/A = 68 4.11' N. W HDPE @ 0.5% SED TT 1.6 OE D SA C.O. C.O. G UE 1-S ACH 0 100 LF 8" TO ED HDPE @ 0.7% C.O. RY GA PA 5-U RAG W NIT ES 113°-18'-53" OE CB 7 UE G RIM 678.80 SA INV 676.30 RK C.O. C.O. YD 5 CONNECT DOWNSPOUTS TO 6" HDPE PERIMETER SWT OE RIM 680.20 DRAIN @ 1.0%. COORDINATE DOWNSPOUT UE 1425 & 1475 Orchard Park Rd INV 678.05 G CB 2 LOCATIONS WITH ARCHITECTURAL PLANS. BUILDING W/ATTACHED GARAGES 51 LF 12" 32 LF 6" HDPE ROOF EX. PIN RIM 683.25 PROPOSED 1-STORY 4-UNIT HDPE @ 0.5% LEADER @ 1.0% C.O. INV 680.30 NE RO 82 LF 12" SA GS F.F.E. = 681.15 CONNECT DOWNSPOUTS TO 6" HDPE PERIMETER INV 677.97 SW IT S OE PP 8' E. UN RAGE W HDPE @ 0.3% CB 5 UE DRAIN @ 1.0%. COORDINATE DOWNSPOUT 52 LF 6" 4 C.O. 0. RIM 679.80 Y - A LOCATIONS WITH ARCHITECTURAL PLANS. YD 7 HDPE @ 0.5% T OR ED G T RIM 680.00 INV 676.17 32 LF 6" HDPE ROOF S 1- CH 0 BUILDING W/ATTACHED GARAGES S ED ATTA 84.8 YD 1 AD INV 675.92 LEADER @ 1.0% O 6 OP W/ = PROPOSED 1-STORY 4-UNIT RIM 683.70 PR ING .F.E. © CARMINA WOOD DESIGN OE YD 6 W EX 9' N INV 681.98 UE RIM 680.20 ILD F SA West Seneca, NY 5.8 /L W G BU G F.F.E. = 680.40 C.O. C.O. .R . INV 677.28 12"x6" TEE ±OST E CB 8 EB RIM 678.80 STOP INV 677.79 (6 INV 676.05 AR O UE 30 LF 6" HDPE ROOF 17 LF 6" HDPE ROOF 66 LF 6" LEADER @ 1.0% 132 LF 12" LEADER @ 1.0% HDPE @ 0.5% 6.0 HDPE @ 0.7% SA 46 LF 6" HDPE @ 0.5% 149 LF 8" YD 2 UE ST 71 LF 12" HDPE @ 0.8% RIM 683.70 HDPE @ 0.5% W C.O. C.O. INV 681.65 ') CB 3 OE OE 32 LF 6" HDPE ROOF RIM 682.15 PP G 63 LF 12" 70 LF 8" OE LEADER @ 1.0% INV 679.90 E C.O. OE OE PP HDPE @ 0.5% HDPE @O0.8% E 1.0' E. SA UE 148 LF 12" INV 677.05 NE, NW, W OE 32 LF 6" HDPE ROOF OE OE EX. IP. 11 HDPE @ 1.0% OE YD 3 LEADER @ 1.0% WST BIORETENTION AREA #1 OE OE RIM 684.00 5° 2,855 S.F. CB 4 PP 7.27' NW. OE INV 681.09 -0 G (2,850 S.F. REQUIRED) RIM 679.90 Date 4'- SA C.O. C.O. PARKING TOP ELEV = 673.50 INV 675.57 47 YD 12-15 (TYP.) RIM 673.50 BOTTOM ELEV = 673.00 STOP LOT " W 30 LF 6" PERF. 131 LF 12" OE OE INV 669.67 HDPE @ 0.0% 121 LF 12" STM MH 1 HDPE @ 1.0% G HDPE @ 1.0% RIM 679.20 ST 31 LF 6" INV 675.74 N 12" W A 48 LF 6" HDPE ROOF INV 674.21 SW, E RE OE HDPE @ 0.3% EX. PIPE TO DISCHARGE .A OE W LEADER @ 1.0% DIRECTLY TO CB 12 BIT SA 12" 170°-37'-13" OE HYD ST G E APPROX. LOCATION CB 12 No. Description 12"x6" TEE CONTRACTOR TO VERIFY LIMITS OF O W INV 673.58 OF CEMETERY CEMETERY AND NOTIFY DESIGN RIM 682.90 INV 679.28 REVISIONS: END SECTION ENGINEER OF ANY POTENTIAL CONFLICTS INV 673.00 HEAD STONES NOT SA 673 LOCATED 127°-49'-44" G OE W 673 YD 16-18 (TYP.) ST RIM 673.50 14" INV 669.67 28" 14" END SECTION EX. IP. INV 673.00 W. INV: 682.97 355 LF 12" HDPE @ 1.0% EX. STORM SEWER TO BE (12" HDPE) 12" E-W INV 675.41 48 LF 12" 12" NW-SE INV 673.40 RE-ROUTED. END SECTION INV 669.57 HDPE @ 1.1% 73 LF 12" HDPE @ 1.0% EX. STORM SEWER TO BE 31 LF 6" RE-ROUTED. HDPE @ 0.3% TOP OF CB 10 STM MH 2 POND 675.30 BIORETENTION AREA #2 END SECTION PARKING 1,700 S.F. CB 11 12"x6" TEE 123 LF 12" RIM 679.50 RIM 683.00 INV 675.00 RIM 678.00 INV 675.98 HDPE @ 1.1% INV 676.83 INV 678.55 (1,620 S.F. REQUIRED) INV 675.48 E LOT TOP ELEV = 673.50 BOTTOM ELEV = 673.00 INV 673.53 NW STORMWATER RUNOFF SUMMARY Drainage Plan - North TO DETENTION: PROPOSED UTILITY LEGEND PROPOSED STORM SEWER ST SCALE: 1"=30' EVENT PROP. RUNOFF (CFS) ELEVATION (FEET) STORAGE (CF) 1-YEAR 1.94 671.04 5,335 10-YEAR 2.82 672.95 15,013 PROPOSED SANITARY SEWER 6" SA DRAWING NAME: 25-YEAR 3.10 673.70 21,268 100-YEAR 3.45 674.73 34,966 Drainage PROPOSED WATERLINE 1" W DIRECT: Plan - North EVENT PROP. RUNOFF (CFS) PROPOSED CATCH BASIN CB 1-YEAR 0.38 10-YEAR 1.12 25-YEAR 1.57 PROPOSED YARD DRAIN YD 100-YEAR 2.52 Date: 5/22/26 Drawn By: A. Pandolfe TOTAL SITE: PROPOSED MANHOLE MH Scale: As Noted EVENT EX. RUNOFF (CFS) PROP. RUNOFF (CFS) DRAWING NO. 1-YEAR 2.63 2.32 PROPOSED HYDRANT ASSEMBLY 10-YEAR 8.17 3.94 25-YEAR 100-YEAR 11.66 18.97 4.67 5.97 PROPOSED GATE VALVE NOTE: FOR PROPOSED VALVE BOXES, CLEANOUTS, ETC., INSTALL A 3,000 PSI CONCRETE COLLAR AROUND THE ITEM AT GRADE. THE GV NOTE: BOUNDARY AND TOPOGRAPHIC INFORMATION PROVIDED BY OTHERS, CARMINA WOOD DESIGN ASSUMES NO RESPONSIBILITY FOR ITS ACCURACY. 30 0 30 60Ft. C-301 Project No: 23-4121 COLLAR SHALL BE A MINIMUM OF 6" WIDER, ON ALL SIDES, THAN THE 30' BOX, CLEANOUT, ETC. THE COLLAR SHALL BE A MINIMUM OF 6" THICK. Page 455 of 849