NY Fire Sprinkler case studies
NY Fire Sprinkler · Put your knowledge to work in context.
The New York City Fire Sprinkler credential is a professional qualification for individuals who design, install, inspect, test, and maintain fire sprinkler and standpipe systems in New York City. It is intended for sprinkler fitters, contractors, building maintenance personnel, and code-compliance professionals who need to demonstrate working knowledge of water-based fire protection systems and the local regulatory framework that governs them. The NY Fire Sprinkler case studies are 5 cases and about 2,765 words.
1Added Tenant Sprinklers on a 1960s Office Riser
A 1960s eight-story Manhattan office building has a full wet-pipe sprinkler system installed under the old pipe-schedule method. The base building has a 6-inch service main, a 2½-inch riser on the east side, and a municipal supply test of 68 psi static and 52 psi residual at 1,000 gpm.
620 words, about 3 min2Top-Floor Residual Pressure on a 12-Story Class I Standpipe
A 12-story, 130-foot-high commercial building has a wet Class I standpipe with a 6-inch riser, 2½-inch hose valves in each stair, an FDC, and a 750 gpm fire pump. During the annual flow test, the contractor connects to the topmost hose valve through a calibrated pitot and flows 500 gpm.
550 words, about 3 min3Warehouse-to-Office Conversion Without Sprinklers
A four-story, 64-foot-high former Group S-2 warehouse in Queens is being converted to Group B offices. Each floor is 18,000 sq ft; the proposed occupant load is 300 per floor.
549 words, about 3 min4Annual Flow Test With an Uncalibrated Gauge and a Backflow Preventer
A 10-story mixed-use building has a wet sprinkler system supplied through a 6-inch reduced-pressure-zone backflow preventer. The design demand at the base of the riser is 850 gpm at 60 psi.
538 words, about 3 min5Fire Pump Field Acceptance: 150% Flow Shortfall
A new 750 gpm, 100 psi rated electric fire pump is being field acceptance tested for a 12-story sprinklered building. The contractor's test report shows: churn 135 psi; 100% flow (750 gpm) 100 psi; 150% flow (1,125 gpm) 62 psi; suction pressure 20 psi at all points.
508 words, about 3 min