NICET ITWBS Level II case studies

NICET ITWBS Level II · Put your knowledge to work in context.

NICET's Inspection and Testing of Water-Based Systems program is one of the certification tracks listed under the Fire Protection/Building Systems Programs on nicet.org, alongside Fire Alarm Systems, Water-Based Systems Layout, Special Hazards Systems, and In-Building Public Safety Communications. It is aimed at technicians who verify that installed water-based fire protection equipment - sprinkler systems, standpipes, and related components - is inspected and tested in accordance with applicable codes and standards, and who document those results. The NICET ITWBS Level II case studies are 5 cases and about 3,359 words.

Wet Riser Main Drain Test: 7 psi Residual Loss After a Meter Change

You are running the annual NFPA 25 inspection on a wet pipe system in a six-story office building. riser is fed through a 4 in.

700 words, about 4 min 2

Dry Pipe Trip Test in Freezing Weather: 40 psi Air and a 4-Minute Water Delivery

You are conducting the annual dry pipe trip test at a cold-storage warehouse in January, with an outside temperature of 28°F. The system has roughly 1,900 ft of 2 in.

679 words, about 3 min 3

1,000 gpm Fire Pump Annual Flow Test: Why the Suction Gauge Changes the Verdict

An annual flow test is run on a 1,000 gpm, 100 psi rated electric fire pump. The suction gauge at the pump flange reads 12 psi throughout the test.

679 words, about 3 min 4

Waterflow Alarm at 2 Minutes 50 Seconds: Retard Chamber or Switch Setting?

A wet pipe system in a 9,000 ft² retail building uses an alarm check valve with a retard chamber and a vane-type waterflow switch on the 4 in. riser feeding the FACP.

634 words, about 3 min 5

Class I Standpipe Flow Test: A PRV That Is Fine Static and Short Under Flow

You are witnessing the acceptance flow test on a new 12-story Class I standpipe in a high-rise. Each floor landing has a field-adjustable pressure reducing valve set to 100 psi, and the system is supplied by the city main at 68 psi through a fire pump rated 750 gpm at 110 psi.

667 words, about 3 min