Before you begin, to perform pipe sizing for a plumbing system, you need to have a good set of families that have either flow rates or fixture unit ratings applied to the piping connectors. .a2a_floating_style.a2a_vertical_style{display:none;} var fvpdata = {"ajaxurl":"https:\/\/www.uniwraps.com\/wp-admin\/admin-ajax.php","nonce":"fcf3855248","fitvids":"1","dynamic":"","overlay":"","opacity":"0.75","color":"b","width":"640"}; Based on the IPC sizing charts, 1 fixture unit is 3 gallons per minute, or 0.18l/s whereas in AS3500, 1 loading unit is 0.09l/s. The conversion rates are1 gallon = 3.785 litres, therefore 1 gallon per minute is 0.063 litres per second. The Standard applies to new installations as well as alterations, additions or repairs to existing installations. 0 Requirements, Show what documents this resource is CITED BY, This resource is cited by 15 documents To the inexperienced , in AS/NZS 3500.2:2003 provides the fixture-unit ratings for plumbing fixtures ratings, And vent most plumbing systems consist of what 's known as DWV, which is drain water. Now for whatever reason this is taken in millimeters, so no conversion from imperial required. This Standard specifies requirements for the design and installation of sanitary plumbing and sanitary drainage, from the fixtures to a sewer, common effluent system or on-site disposal system, as appropriate. Finally, you can also run a Pipe Pressure Loss Report which is found on the analyze tab. Copyright oddyindia 2016. endstream endobj startxref This system is commonly used in multi-floor buildings. border: none !important; Basically, if the box is checked, well divide 2 loading units by 3.5, if its not checked, the loading units will remain 2. 6.4 Venting for fixtures discharge pipes. /*