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State of Washington <br />Sprinkler License # Designer: Kenneth H. <br />Robinson RO-BI-NP-*272C2, Level Robinson-Elmslie <br />1230121st PI SE State of Washington Sprinkler <br />Everett WA WNIQ Desi ner Certificate of <br />Plumbing Inc 360-403-7462 Competency #7659-0106-CE 13 <br />Builder: Bustard Custom Construction Inc <br />Property address: 9534 Holly Dr, Everett (Arcadia Gardens Lot 3) (Duplex) <br />Total quantity of sprinkler heads: 48 (24 each unit) <br />Fire sprinkler system notes: <br />* Fire sprinkler system design per NFPA 13d (standard for houses and duplexes). <br />* Fire sprinkler system to be pressure tested and flow tested. <br />* Sprinkler piping and fittings to be C.P. V.C. "Flameguard" by Speers Mfg. <br />* Installation of C.P.V.C. pipe and fittings to be done by manufacturer certified installers <br />* Sprinkler system to supply water connection for toilet s, providing "flow through" in lieu of <br />backflow prevention. Dead end branch lines shall be kept to no more than 10' in length. Single <br />swing check to be installed for backflow prevention at riser. <br />* Sprinkler heads to be Victaulic FL-RES/C concealed pendant with escutcheons per listing. <br />SIN # V4906 and Victaulic sidewall V-2738. <br />* Lines in attic to be protected from freezing with tent insulat ion (by others). <br />* Design spacing for Victaulic concealed pendant is 16' x 16' (256 square feet). <br />* Design Density is minimum .05 gpm/square foot <br />* Design area is for 2 head simultaneous flow. <br />* Minimum flow requirements (concealed pendant) are: <br />(1) head flow = 13 gpm @ 7.0 psi (flat or sloped ceilings up to 8/12) <br />(2) head flow = 13 gpm (ea) @ 7.0 psi (flat or sloped ceilings up to 8/12) <br />