WebTable 1. Residential Design Flow Rates per Bedroom (gallons per day, gpd)1 1 bedroom 150 2 bedrooms 280 3 bedrooms 390 4 bedrooms 470 5 bedrooms 550 6 bedrooms 630 1 An unfinished basement is considered two (2) additional bedrooms. 2The design flow shall be increased by eighty (80) gpd for each additional bedroom over six (6) Table 2. WebJan 11, 2024 · Clear grass or topsoil from staked area. Calculate cubic yardage of gravel needed for each driveway layer. Schedule and prepare site for gravel delivery. Level the ground along the path of the ...
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