This e-book is designed to supply actual and authoritative info for the layout and specification of plumbing platforms. It comprises 12 chapters together with such subject matters as sanitary drainage platforms, gray-water structures, vents and venting, household water-heating structures, fuel-gas piping structures, vacuum platforms, and extra. this crucial reference will gain engineers, plumbing process designers, architects, plant engineers, inspectors, journeymen, scholars, contractors, and developers.
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Extra resources for ASPE Data Book - A Plumbing Engineer's Guide to System Design and Specifications, Volume 2 - Plumbing Systems
23 L/day/O. 1 m21). The calculations in food service resemble those for grease interceptor sizing. The number of seats, the hours of operation, single-serving utensils, and other, similar factors change the equations for gray-water calculations. Design Estimates for Residential Buildings The number of occupants of each dwelling unit shall be calculated as follows: Occupants, first bedroom: 2 Occupants, each additional bedroom: 1 The estimated gray-water flows for each occupant shall be calculated as follows: Showers, bathtubs, and wash basins: 25 gpd (95 L/day)/occupant Laundry: 15 gpd (57 L/day)/occupant The total number of occupants shall be multiplied by the applicable estimated gray-water discharge as provided above, and the type of fixtures connected to the gray-water system.
A gray-water system requires modifications to the standard plumbing systems throughout a facility. There will be duplicate drainage systems. Instead of all the liquid discharged from all the plumbing fixtures going to the sanitary sewer, selected fixtures will have their effluent routed for recovery by the gray-water treatment system. The remainder will go to the sanitary sewer. , and gray water to water closets, urinals, and other fixtures, depending on the quality of the gray-water treatment.
For larger size interior piping, 4in. (100-mm) cleanouts are adequate for their ASPE Data Book - Volume 2 10 intended purpose: however, 6-in. ( 150-mm) cleanouts are recommended to allow for a larger variety of access for sewer video equipment. Cleanouts should be provided a t the following locations: 1. Five fi 0 in. 5m) outside or inside the building at the point of exit. 2. At every change of direction greater than 45". 3. 1 m) should be maintained for piping 4 in. 9 m) for larger piping. Underground sanitary sewer piping larger than 10 in.