Acceptance Test

For new systems, Underground Fire Line acceptance test and flush must be completed and pass inspection prior to conducting the Overhead Hydrostatic Test. No exceptions.

Underground Fire Line

• Acceptance tests are to be scheduled and paid for no sooner than 24 hrs in advance.
• Tests to be done during inspection hours. Monday-Friday 9 a.m.-11 a.m. or 2 p.m.-4 p.m.
• Company vehicle(s) must be onsite and clearly labeled.
• Person conducting test must be licensed.
• Set of approved plans must be on site.
• "As Built" plans must be provided to the inspector for any deviations from the initial approved plans.
• Thrust blocks in place at any change in direction.
• Thrust blocks must be pre-formed, no pour in allowed.
• Thrust blocks must not encase the piping.
• Piping must be the correct type and size.
• Pipe identification numbers must be visible during inspection
• Joints must be uncovered and visible.
• Piping must be laid on a bed of sand (minimum of 6 inches deep)
• Magnetic tape must be placed correctly.
• 200+ PSI must be held for a minimum of 2 hours prior to scheduled inspection. Failure to do so will be an automatic failure.
• Pressure release must be visible on pressure gauge.
• System must be flushed for at least 10 minutes.

Overhead Hydrostatic Test

• Acceptance tests are to be scheduled and paid for no sooner than 24 hrs in advance.
• Tests to be done during inspection hours. Monday-Friday 9 a.m.-11 a.m. or 2 p.m.-4 p.m.
• Company vehicle(s) must be onsite and clearly labeled.
• Person conducting test must be licensed.
• Set of approved plans must be onsite.
• "As Builts" must be provided to the inspector for any deviations from the approved plans.
• Piping must be of correct type and size.
• Piping and joints must be uncovered and visible.
• Sprinkler heads must be free from obstructions and damage.
• 200+ PSI must be held for a minimum of 2 hours prior to scheduled inspection. Failure to do so will be an automatic failure.
• Pressure release must be visible on pressure gauge.