Inspector Certification Exam QUESTIONS
AND VERIFIED ANSWERS WITH
RATIONALES.pdf ICC Spray-Applied
Fireproofing Special Inspector Certification
Exam QUESTIONS AND VERIFIED
ANSWERS WITH RATIONALES.pdf
TFIFRM minimum allowable thickness - answer- 80% of specified thickness
TFIFRM thickness determinations for W-shape column - answer- 24
TFIFRM thickness readings for pipe column - answer- 24
Maximum thickness determination for TFIFRM testing on a truss - answer- 60 mils
Requirements for applying TFIFRM - answer- Manufacturer instructions
Substrate temperatures maintenance after applying TFIFRM - answer- 72 hours
Substrate temperatures for SFRM application - answer- 40 degrees F, 24 hours
Column web depth limit with primer beneath SFRM - answer- 16 inches
Minimum weight of metal lath for SFRM application - answer- 1.7 lb/cubic yard
SFRM bond strength requirement for high rise buildings - answer- 430 psf
SFRM thickness measurements for metal deck with flat plate - answer- 4
When to use a drill bit for SFRM inspection - answer- When thickness testing high
density SFRM
Lowest allowable individual thickness for wide flange column - answer- 1-3/4 inch
Lowest allowable individual thickness for tube steel column - answer- 1 inch
, Type of failure for separation between SFRM and substrate - answer- Adhesive
Thickness measurements for joist testing - answer- 7 thickness measurements at each
end of a 12 inch length
Acceptability of SFRM thickness measurements on W-shaped column - answer- Not
acceptable if any measurement is below specified thickness
Acceptance Criteria - answer- All acceptance criteria is met.
SFRM Thickness Tests Required - answer- 7 tests are required underneath metal
decking that is 6,500 sf.
SFRM Bond Strength Calculation - answer- The bond strength is 260 psf when the test
cap area is 0.0576 square feet and the force at SFRM failure is 15 pounds.
Maximum Allowable Temperature for Drying SFRM - answer- The maximum allowable
temperature when drying SFRM for density testing is 119 degrees F.
SFRM Thickness Gauges Accuracy - answer- SFRM thickness gauges must be capable
of reading to the nearest 1/16-inch.
Columns and Beams Testing Requirement - answer- For an area of 8,000 square feet,
4 columns and 4 beams must be tested for bond strength.
TFIFRM Thickness Tests Timing - answer- TFIFRM thickness tests can be taken after
TFIFRM has stabilized.
Maximum Allowable Relative Humidity for TFIFRM - answer- The maximum allowable
relative humidity of the work area when placing TFIFRM is 75%.
Minimum TFIFRM Gauge Thickness Accuracy Checks - answer- The minimum required
amount of TFIFRM gauge thickness accuracy checks during an inspection shift is 3.
Minimum Allowable Average TFIFRM Thickness - answer- The minimum allowable
average TFIFRM thickness for a beam that requires 48 mils of thickness is 100% of
specified thickness.
Visual Inspection Timing for TFIFRM - answer- Visual inspection of TFIFRM can take
place after drying or curing.
TFIFRM Container Labeling Requirement - answer- 100% of TFIFRM containers must
be labeled with the manufacturer and product names.
Total SFRM Thickness Measurements on a Joist - answer- 14 total SFRM thickness
measurements are taken on a joist.