b'BUILDING CODEFigure 1: Scupper opening after collapse.STEP 3:BC Plumbing Code (Book II)2.4.10.4.HydraulicLoadsfromRoofsor Paved Surfaces 1. Except as provided in Sentence (2), thehydraulic load in litres from a roofor paved surface is the maximum 15 min Scupper opening after collapse rainfall determined in conformance with Subsection 1.1.3. ofDivision B ofBook I (General) ofthis Code, multiplied by the sum ofa.theareainsquaremetresof thehorizontalprojectionof thesurface drained, and b.one-halfthe area in square metres of thelargestadjoiningverticalsurface. (See Note A-2.4.10.4.(1).)2.Flowcontrolroof drainsmaybe installed, provided a.the maximum drain down time doesnot exceed 24 h,b.the roofstructure is designed to carry the load ofthe stored water, c.one or more scuppers are installed notmore than 30 m apart along the perim-eter ofthe building so thati.up to 200% ofthe 15-minute rain- fall intensity can be handled, andBeacon PRO+ is a robust, no-cost website thatii. the maximum depth ofcontrolledhelps you manage your business and sales processfrom anywhere, anytime.water is limited to 150 mm, d.they are located not more than 15 mfrom the edge ofthe roofand not moreCUSTOMERS TOP REASONS than 30 m from adjacent drains, andFOR USING PRO+ EVERY DAY:e.thereisatleastonedrainforeach24/7 Access Tem p la t es for fast orderi ng900 m 2 .Customized pricing & quotes O n l i ne bil l p aym ent Stay organized with order historyBranch a ccu r acy c he ck3. Hydraulic loads, in litres per second, forflowcontrolroof drainsandrestrictedSIGN-UP FOR pavedareadrainsshallbedeter- BEACON PRO+ TODAY!minedaccordingtorainintensity-du-www.rcabc.orgl21Roof cross sectionAlso note saturated roof materials'