CO Fire Sprinkler case studies
CO Fire Sprinkler · Put your knowledge to work in context.
The Colorado fire sprinkler credential falls under the Division of Fire Prevention & Control (DFPC), the state fire organization whose stated mission is "to serve and safeguard the people and protect the property, resources, environment, and quality of life in Colorado." Within DFPC, suppression systems sit under the Fire Prevention Branch, alongside related programs such as health facilities certificates of compliance, school maintenance inspections, and limited gaming. Contractor licensing and certification matters are grouped under the Fire & Life Safety section's Certifications, Registrations and Licenses page, and rules governing those programs are published under Fire & Life Safety Rules. The CO Fire Sprinkler case studies are 5 cases and about 2,712 words.
1Tenant Improvement Outgrows the Existing Water Supply
A 1990s three-story office building has a wet-pipe system fed by a 6-in city main. A flow test at the hydrant beside the riser produced a static pressure of 76 psi and a residual pressure of 55 psi at 640 gpm.
519 words, about 3 min2Dry-Pipe Trip Test Misses the 60-Second Limit
A 4,000 sq ft unheated warehouse has a single dry-pipe valve, black steel schedule 40 piping, and a calculated system capacity of 780 gal. The system has a 2-in main, 1.25-in branch lines, eight pendent sprinklers per branch, and 12 branches.
607 words, about 3 min3Rack Storage of Group A Plastics in a Class III Warehouse
A 20,000 sq ft single-story warehouse has a 30-ft ceiling and an existing wet-pipe system designed for Class III commodity stored 12 ft high. The design is 0.25 gpm/sq ft over 2,000 sq ft with K=8.0 pendent sprinklers on 12-ft by 12-ft spacing, and the hydraulic calculation shows 20 psi at the base of the riser.
674 words, about 3 min4Painted Sprinklers After a Ceiling Renovation
During a renovation of a 12-year-old four-story office building, the ceiling contractor spray-painted the entire ceiling, including 68 of the 220 pendent sprinklers. The sprinklers are factory-brass, K=5.6, 155°F, with fusible links; paint covers the deflectors, links, and escutcheons.
464 words, about 2 min5Hydrostatic Test Pressure Drop on a New 13R System
A new four-story residential building is protected by an NFPA 13R wet system with a 1.5-in riser, CPVC and steel piping, and 260 sprinklers. The contractor fills the system with water from a tanker at 60°F and hydrostatically tests at 200 psi for two hours.
448 words, about 2 min