Backflow and Sprinkler Inspection WO# 102319 - Annual backflow inspection (4 - fireline, irrigation, fireline bypass and domestic) 1) 8" Ames Mod Colt 3000B SN # Kl-1141 (Fire) 2) 1.5" Watts Mod 007M2 SN#105112 (Irrigation) 3) 7.5" Watts Mod 007 SN#20319 (Fire Bypass) 4) 2" Watts Mod 007M1 SN#177005 (Domestic) WO# 102297 - Annual wet sprinkler inspection (2)