Chapter 2 of 613% of exam

Job Site Preparation

CSLB weights Job Site Preparation at about 13% of the B-2 exam: removing non-load-bearing walls, cabinets and countertops, plumbing and electrical fixtures, and delivering and storing materials. This page is a short survey; the PrepPass B-2 Residential Remodeling study guide teaches the section with worked examples and a full practice exam at CSLB's weights.

Wall removal

Verify that a wall is non-bearing before cutting; B-2 contractors may not alter bearing walls. Control utilities and survey for hazardous materials before demolition, and wet the debris.

Bearing status
A wall that may be load bearing is treated as bearing until proven otherwise.
Bus. & Prof. Code §7057.5(c)(2)
Utilities
Utilities are shut off, capped or controlled before demolition.
8 CCR 1735(a)
Dust
Use water or equivalent steps to control dust.
8 CCR 1735(t)
Stud cuts
Notch bearing studs to 25 percent of depth and nonbearing to 40 percent; bore to 60 percent.
2025 CRC R602.6

Cabinets, countertops and fixtures

Remove appliances, then tops, base cabinets and wall cabinets, with water, gas and power off. Shut off, drain, disconnect and terminate fixtures.

Removal order
Appliances, counter tops, base cabinets, wall cabinets.
Cabinet maker's guide
Toilet reset
Removal and reinstallation of a water closet without changing valves, pipes or fixtures is exempt.
2025 CRC R105.2
Silica
Cutting stone creates respirable silica; PEL 50 micrograms per cubic meter.
8 CCR 1532.3

Delivery and storage

Keep passageways clear, store flammables in covered containers, keep framing dry and follow the flooring maker's acclimation and subfloor-moisture instructions.

Housekeeping
Keep debris with protruding nails cleared from work areas, passageways and stairs.
8 CCR 1513(a)
Framing moisture
Do not enclose framing above 19 percent moisture.
CALGreen 4.505.3 (per city handout)
Flooring
Acclimate and check subfloor moisture per the maker's instructions.
Manufacturer instructions

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