NICET WBSL Level II case studies
NICET WBSL Level II · Put your knowledge to work in context.
Water-Based Systems Layout is one of the certification programs listed by NICET under its Fire Protection/Building Systems Programs, alongside Fire Alarm Systems, Inspection and Testing of Fire Alarm Systems, Inspection and Testing of Water-Based Systems, Special Hazards Systems, and In-Building Public Safety Communications. The program is aimed at technicians who lay out water-based fire protection systems - the people who translate design criteria into workable sprinkler and piping layouts, perform the supporting calculations, and coordinate the drawings that installers and reviewers rely on. The NICET WBSL Level II case studies are 5 cases and about 4,291 words.
1Hydraulic Demand Exceeds the Flow Test - Four-Story Office Retrofit
An 8,000 sq ft floor plate in a four-story office building (48,000 sq ft total) is being fitted with a new wet-pipe system. The space is light hazard: ordinary furniture, no storage over 6 ft, and the owner has confirmed in writing that the floor will not be used for storage.
930 words, about 5 min2Tenant Wants to Double Storage Height in an Existing Warehouse
A 40,000 sq ft single-story warehouse has a 32 ft deck height and a steel-deck-on-bar-joist roof. The existing wet system was designed for 12 ft of palletized Class III commodity: 0.20 gpm/sq ft over a 1,500 sq ft design area, K-8.0 standard-spray pendants on a 10 ft x 10 ft grid, deflectors 8 in.
911 words, about 5 min3Fifth Story Added to a Four-Story NFPA 13R Apartment Building
A developer's four-story wood-frame apartment building is currently permitted as an NFPA 13R design: a single riser, no sprinklers in the combustible pitched attic, and omission of sprinklers in all bathrooms (the largest is 48 sq ft) and in all closets (most are under 24 sq ft, but each floor has one 30 sq ft walk-in). The building tops out at 52 ft above grade plane.
855 words, about 4 min4Obstructions in a School Media Center Layout
A school media center is a light-hazard space with a lay-in ceiling at 10 ft and standard-spray pendant sprinklers on a 12 ft x 12 ft grid. Three features complicate the layout: (1) an architectural soffit 24 in.
698 words, about 3 min5Converting an Unheated Warehouse Annex from Wet to Dry Pipe
A three-story unheated warehouse annex is being converted from a wet system to a dry pipe system because the space cannot be maintained above freezing. The annex is ordinary hazard Group II.
897 words, about 4 min