CT Fire Sprinkler case studies

CT Fire Sprinkler · Put your knowledge to work in context.

The Connecticut Fire Sprinkler credential is a state-level qualification for professionals who design, install, maintain, or inspect fire sprinkler systems in Connecticut. It is intended for contractors, technicians, and others whose work must satisfy state requirements for life-safety systems. The CT Fire Sprinkler case studies are 5 cases and about 3,606 words.

ESFR Warehouse: New Rack Layout With Solid Shelving and Reduced Clearance

A 180,000 sq ft single-story distribution warehouse has a 34 ft deck height. The approved plans show K-25.2 ESFR pendent sprinklers with deflectors at 33 ft 6 in, designed for 25 ft maximum storage in double-row racks with 6 in transverse flue spaces and open-wire shelving; the design follows the sprinkler's individual listing criteria.

777 words, about 4 min 2

Dry Pipe System Fails the 60-Second Trip Test

The loading dock and unheated back-of-house area of a 1970s warehouse are protected by a single dry pipe system fed by one dry pipe valve in the heated mechanical room. The system holds 42 psi of supervisory air supplied from a plant compressor tied into the building air header; there is no quick-opening device and no accelerator.

739 words, about 4 min 3

Tenant Fit-Out Hydraulics With an Aged Flow Test and a New Backflow Preventer

An office tenant fit-out adds 22 sprinklers and about 180 ft of 1-1/2 in branch line to an existing wet-pipe light hazard system designed at 0.10 gpm/sq ft over 1,500 sq ft. The building is served by a 6 in service with no fire pump.

686 words, about 3 min 4

Fifth Floor Added to an NFPA 13R Hotel

A four-story, 52 ft high, 96-room hotel of wood-frame construction over a podium is protected by an NFPA 13R system with a single wet riser and residential sprinklers. The owner adds a fifth guest-room floor, bringing the building to five stories and 66 ft.

690 words, about 3 min 5

Standpipe Pressure Zones and the Hydrostatic Test Strategy

A 13-story office building has a Class I manual wet standpipe with 2-1/2 in hose valves at each floor and 11 ft floor-to-floor heights; the vertical distance from the pump discharge to the topmost hose valve is 142 ft. The fire pump is rated 1,000 gpm at 140 psi and churns at about 195 psi at shutoff, which is 140 percent of rated pressure.

714 words, about 4 min