251203_42 ERW_Stormwater Report

TH R NO E S Engineering & Design, Architecture, Architecture, Surveying, Landscape CT P.C. Engineering & Design N W www.colliersengineering.com Copyright © 2025. Colliers Engineering & Design All Rights Reserved. This drawing and all the information contained herein is authorized for use only by the party for whom the services were contracted or to whom it is certified. This drawing may not be copied, reused, disclosed, distributed or relied upon for any other purpose without the express written consent of Colliers Engineering & Design. Doing Business as C O N S U L T I N G ENGINEERS + SURVEYING PROTECT YOURSELF ALL STATES REQUIRE NOTIFICATION OF EXCAVATORS, DESIGNERS, OR ANY PERSON PREPARING TO DISTURB THE EARTH'S SURFACE ANYWHERE IN ANY STATE R ___________________________ FOR STATE SPECIFIC DIRECT PHONE NUMBERS VISIT: WWW.CALL811.COM CITY OF PITTSBURGH DEPARTMENT OF CITY PLANNING APPROVED: CITY _______________________ PLANNING COMMISSION _______________________ CHAIRMAN ATTEST: _______________________ _______________________ SECRETARY X X X X X 622 X X X X X X X X X X X X X X 621 D X X X X X X X X X X X X X X X X X 624 X X X 62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12/03/25 X X X X X X X 626 6 X X 6 62 625 IDA X X X 5 IDA-6 A = 1,431 SF C = 0.63 T T 627 BLNZ COR IDA IDA-11 FFE: 62 7.00 SF = 5,547 A C = 0.63 625 625 62 625 IDA-1 A = 3,279 SF C = 0.63 EAG LE R IDG (50') WAY E IDA IDA-2 A = 5,714 SF C = 0.63 IDA IDA-3 A = 9,060 SF C = 0.63 IDA IDA-4 A = 9,130 SF C = 0.63 Jesse Cokeley NEW JERSEY LICENSED PROFESSIONAL ENGINEER LICENSE NUMBER: GE54006 COLLIERS ENGINEERING & DESIGN, INC. N.J. C.O.A. #: 24GA27986500 E 626 IDA 624 625 6 IDA-12 A = 4,595 SF C = 0.63 BARN 7 IDA 625 6 62 7 62 62 4 X 62 HOUSE GARAG FFE: 628.00 E FFE: 626.50 By: MICHAELA.NICODEMO 1 X 23 62 2024\24006174A\C-DRNG-42.dwg\C-X.XX-INLET DRAINAGE MAP DATE X 6 REV X X 622 FFE: 62 5.50 . X X ARENA 5 62 624 . D X X IDA IDA-15 A = 4,635 SF C = 0.6 . X X X X X 623 X IDA-7 A = 6,461 SF C = 0.63 625 4 62 2 62 PER LAYOUT CHANGES IDA X X D BC 619.5 X X X X X X X IDA-8 A = 7,966 SF C = 0.63 625 X X 62 X X X X X IDA X X X 1 X X 5 X X X IDA-10 A = 4,441 SF C =

625 4 62 2 62 PER LAYOUT CHANGES IDA X X D BC 619.5 X X X X X X X IDA-8 A = 7,966 SF C = 0.63 625 X X 62 X X X X X IDA X X X 1 X X 5 X X X IDA-10 A = 4,441 SF C = 0.63 X X MN IDA X X X DESCRIPTION D X 620 62 X X X X IDA-9 A = 929 SF C = 0.63 X X X IDA IDA-14 A = 2,161 SF C = 0.63 619 X X D X X IDA-13 A = 4,775 SF C = 0.63 9 61 IDA IDA DRAWN BY X D X X X 623 X X X 9 618 X 622 0 62 61 X 8 7 61 61 8 622 X 61 X X X X X X X X X X X X X X X X X IDA IDA-5 A = 13,358 SF C = 0.93 E T T A A T T S S R Y E 0 E T 8 S N 2 R I E JE Y T A U WW O EH R NG I H PRELIMINARY & FINAL MAJOR SITE PLAN LEGEND SYMBOL FOR WAYSTONE REALTY LLC PROPOSED RESIDENTIAL IMPROVEMENTS DESCRIPTION DRAINAGE AREA BOUNDARY TIME OF CONCENTRATION (Tc) PATH Tc PATH TYPE IDENTIFIER: SF = SHEET FLOW SCF = SHALLOW CONCENTRATED FLOW CF= CHANNEL/CONDUIT FLOW SF L = 10 ' S = 5.0 % BLOCK 106 LOT 24.01 LENGTH OF TC PATH SLOPE OF Tc PATH TOWNSHIP OF WEST ORANGE ESSEX COUNTY NEW JERSEY DRAINAGE AREA LABEL POA-BASIN LABEL-DRAINAGE AREA NO. PDA 1-B-7 A = 0.100 AC. CN = 76 TC = 4.8 MIN. WOODCLIFF LAKE 300 Tice Boulevard Suite 101 Woodcliff Lake, NJ 07677 DRAINAGE AREA CURVE NUMBER Architecture, & Engineering Design, Landscape Architecture, Surveying, CT P.C. Engineering Phone: 845.352.0411 & Design TIME OF CONCENTRATION RehA (HSG C) COLLIERS ENGINEERING & DESIGN, INC. DOING BUSINESS AS MASER CONSULTING SOIL TYPE (HYDROLOGIC SOIL GROUP) SCALE: SOIL TYPE BOUNDARY DATE: AS SHOWN DRAWN BY: 9/16/2024 CHECKED BY: MMN JF REVIEWED BY: PTH PROJECT NUMBER: 24006174A DRAWING NAME: C-DRNG-42 SHEET TITLE: 20 0 20 SCALE : 1" = 20' SELECT LINEAR UNIT OF MEASURE 40 INLET DRAINAGE MAP SHEET NUMBER: 3 of 3 UNAUTHORIZED ONLY MAPS WITHALTERATION THE LAND SURVEYOR OR ADDITION OR PROFESSIONAL TO A SURVEY OR ENGINEER'S ENGINEERING SEALMAP AREBEARING GENUINEATRUE LICENSED AND CORRECT LAND SURVEYOR COPIES OR OF THE PROFESSIONAL LAND SURVEYOR ENGINEER OR PROFESSIONAL IS A VIOLATIONENGINEER’S OF SECTION ORIGINAL 7209, SUB-DIVISION WORK AND 2, OPINION. OF THE NEW YORK STATE EDUCATION LAW. NOTE: DO NOT SCALE DRAWINGS FOR CONSTRUCTION.