Sprinkler Inspection Annual Sprinkler Inspection (1 Wet Sprinkler System) Deficiency: There is no evidence of five-year internal obstruction investigation performed on this system 2- Victaulic Couplings 3” Deficiency: There is no evidence of a five-year internal inspection of fire department connection check valve. 2- Vitalik Couplings 4” Deficiency: There is no evidence of five-year Hydro test on fire department connection