WebOn-site Stormwater Management Calculator - List Approach Surface Identification and BMP Evaluation for Parcel-Based Projects 6950465-CN 8. Version 09-30-2024 BMP BMP Facility Inputs BMP Size and Credit Number 2 6,649 gal managed/year 6,512 gal managed/year 6,512 gal managed/year 13,355 gal managed/year 10,674 gal … Web18 de jul. de 2024 · Three main inputs were altered in the Stormwater Reuse Calculator for this site: the size of the harvested stormwater source area: 14,400 square feet or 18,400 square feet the size of the storage cistern: 5,000 or 10,000 gallons the amount of indoor and outdoor stormwater reuse demands:
On-site Stormwater Management Calculator Instructions …
WebThe RWH Calculator simulates the performance of a cistern over 10 yearsbased on the runoff to the cistern, cistern size, and the site's non‐potable demand. User Input The RWH's performance is used to calculate the average available volume prior to storm event, which is then input in the CSS BMP Sizing Calculator worksheet. Default Value Locked Web9 de jan. de 2024 · All projects that meet the minimum threshold requirements identified in Stormwater Seattle Municipal Code: 22.807.020 – Drainage Control Review and … images popcorn
Seattle SDCI - Memorandum of Drainage Control (MDC) Instructions
WebThis explains how to use a simple online calculator, that will design, and size, all the stormwater or rainwater pipes for a building site. The program will ... WebSelecting "Site Suitability - Excellent" on the "LID Controls" tab of the National Stormwater Calculator influences the site complexity, and shifts the costs towards a lower … WebQ = (C x I x A )/96.23. Where, Q is the storm-water Run-off in Gallons Per Minute (GPM) C is the Run-off coefficient. I is the Rainfall intensity in inches per hour. A is the Drainage Area in square feet. 96.23 is a conversion factor when you want the flow rate in GPM and your driange area in square feet. images poppy flower