NOTE : Monday - Thursday mornings work best, as they can have someone onsite any time after 8:00a with advanced notice. Business hours are; Tuesday-Thursday Open at 4:00p, Friday & Saturday Open at Noon. Mondays are closed (but owner can meet tech on Mondays if needed). Sprinkler Inspection Annual Fire Sprinkler System Inspection Deficiency: Fire sprinkler system is due for five year internal obstruction investigation. Deficiency: sprinkler system is due for five year check valve inspection for fire department connection. Deficiency: Fire sprinkler system is due for five year hydrotest of fire department connection Deficiency: Fire sprinkler system is due for five-year gauge change