AL Fire Sprinkler case studies

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

The Alabama Fire Sprinkler License Exam is administered within the permit and licensing framework of the Alabama State Fire Marshal's Office, which the source identifies as a division of the Alabama Department of Insurance. The credential is intended for individuals and contracting businesses that install, alter, or maintain fire sprinkler systems in Alabama, and it sits alongside related permitting categories such as fire pumps and fireworks. The AL Fire Sprinkler case studies are 5 cases and about 2,068 words.

Light-Hazard Tenant Fit-Out With a Marginal Static Supply

A 4,200 sq ft mercantile tenant space in a single-story building is being fitted out. The existing 6-inch ductile underground main has a static pressure of 58 psi and a residual pressure of 41 psi at a measured flow of 620 gpm (the test was taken at a hydrant near the riser).

426 words, about 2 min 2

Dry Pipe System in an Unheated Warehouse Mezzanine

A 12,000 sq ft unheated warehouse has a mezzanine open to the main floor. The designer proposes a dry pipe system for the entire building because the main floor dips to 28°F in winter.

414 words, about 2 min 3

Fire Pump Sizing Against a City Main With a Steep Curve

A new 5-story office building (Light Hazard, wet system) is supplied by a city main tested at 70 psi static and 52 psi residual at 1,000 gpm. The sprinkler demand is calculated at 850 gpm at 95 psi at the base of the riser, plus a 250 gpm hose allowance.

431 words, about 2 min 4

Adding a Standpipe Demand to an Existing Combined System

A 6-story building has an existing combined sprinkler/standpipe system fed by a 500 gpm fire pump. The building is being renovated: the sprinkler demand is recalculated at 700 gpm at 80 psi, and a new Class I standpipe is added with a 500 gpm demand at the top.

415 words, about 2 min 5

Antifreeze Loop in a Parking Garage With a Shared Riser

A 3-level open parking garage uses a wet system on the two upper levels and an antifreeze loop on the lowest level, which dips to 20°F. The antifreeze loop uses a listed antifreeze solution at a concentration the manufacturer lists for −20°F, and the loop is 1,200 ft of 1-inch pipe with 40 sprinklers.

382 words, about 2 min