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May 17, 1974 <br />ffm Evergreen <br />CITY OF <br />everett <br />CITY HALL • 259.989! <br />CYEFETT. W 9H " <br />Keystone Engineering 992Ot <br />3400 16th W. INSPECTION DEPARTMENT <br />Seattle, Washington 98134 <br />Reference: Plumbing requirements for Keystone Fabricators, <br />°Q"' A - e-S.E., Everett, Washington. <br />Dear Sir: <br />Your drawings have been reviewed for plumbing code compliance. <br />The following requirements are necessary rcfore the permit <br />can be issued: <br />1. Two separate toilet rooms must be provided for <br />employee's as follows: w.c's-1 for 1 to 9; 2 <br />for 10 to 24; lays-up to 100, 1 per 20; drinking <br />fountain 1 per 100. <br />2. The plumbing code doesn't allow plastic in commercial <br />buildings. <br />3. Plans shows a 1," water service, city doesn't install <br />1�" meters, a 2" meter will be necessary. <br />4. A Reduced Pressure Backflow Prevention Device will be <br />required on the 12" line to hose bibbs. Separate <br />domestic water. <br />Sincerely <br />�QCii,� (��vezL�. ✓ <br />Dean Pittman <br />Plumbing Inspector <br />DP:eb <br />cc: Gunther Sonntag <br />Lee Johnson & Associates, Inc. <br />r <br />r <br />u <br />