California Class B Trade

A 2-inch horizontal sanitary branch must be installed at 1/4 inch fall per foot. What total fall is needed over a 24-foot run?

A 4-inch building drain is laid out with a required 1/8 inch fall per foot. What fall is required across 40 feet?

A rooftop unit schedule shows 3 tons of cooling. Using 12,000 Btu per hour per ton, what cooling capacity is this?

A pump motor is listed as 2 horsepower, and the coordination table asks for watts. Using 746 watts per horsepower, what is the approximate motor power?

A slab is 30 feet long, 18 feet wide, and 4 inches thick. How many cubic yards of concrete are needed before waste?

A footing is 80 feet long, 2 feet wide, and 12 inches deep. How many cubic yards of concrete are required before waste?

A patio subgrade must drain at 2 percent away from the building for 20 feet. What total drop is required?

A building pad needs 150 compacted cubic yards of fill. If the borrow material shrinks 10 percent after compaction, about how many loose cubic yards should be hauled in?

A roofing estimate shows 2,850 square feet of roof area. How many roofing squares is that?

A waterproof deck surface is 14 feet deep and must slope 1/4 inch per foot to the drain. What vertical fall is needed?

A concrete housekeeping pad is 6 feet by 4 feet by 6 inches thick. How many cubic feet of concrete are needed before waste?

A hydronic tank holds 120 gallons of water. Using 8.34 pounds per gallon, what water weight should be considered before placing it on a pad?

A pressure gauge reads 18 psi on a low-pressure water test. Using 2.31 feet of head per psi, what head is represented?

A 15-foot horizontal drain is set at 1/4 inch fall per foot. What total fall is required?

A 240-volt heater draws 18 amperes. What is the operating wattage?

An HVAC system is listed at 36,000 Btu per hour. How many tons of cooling capacity is that?

A crew plans to place a 20-foot by 12-foot slab at 4 inches thick. About how many cubic yards of concrete are needed before waste?

A slab area is 18 feet by 14 feet, and the base rock layer is 4 inches thick. About how many cubic yards of base rock are needed before compaction loss?

A swale must fall 2 percent over a 50-foot run. What vertical fall is required?

A roof plane is 36 feet by 28 feet. How many roofing squares are required before waste?

A shingle roof estimate requires 10 percent waste on 28 roofing squares. How many total squares should be ordered?

A balcony waterproofing detail requires 1/4 inch slope per foot away from the building. What fall is needed over 10 feet?

A 500-square-foot attic area receives insulation at $1.35 per square foot. What is the material cost?

A pressure test reads 30 psi and the field conversion given is 2.31 feet of head per psi. What head is represented?

A 3-inch horizontal sanitary drain is laid at 1/8 inch fall per foot. What fall is needed over 32 feet?

A pump moves 18 gallons per minute. How many gallons does it move in 45 minutes?

A 120-volt load draws 14 amperes. What wattage is the load using?

An exhaust fan is rated 90 cfm. How many cubic feet of air is moved in 20 minutes at that rate?

A cooling unit is 48,000 Btu per hour. How many tons is that?

A slab is 30 feet by 14 feet by 5 inches thick. About how many cubic yards of concrete are needed before waste?

In the deck repair file, a stair trim package needs 34 pieces at $22 each. What material cost should be estimated?

A wall has 640 square feet of drywall area. Using 4-foot by 8-foot sheets, how many sheets are needed before waste?

A wall paint scope has 900 square feet and requires two coats. Paint covers 350 square feet per gallon per coat. How many gallons are needed before attic stock?

A tile room is 8 feet by 10 feet, and 10 percent waste is added. How many square feet of tile should be ordered?

A 16-foot by 14-foot room receives carpet with 12 percent waste. What square footage should be planned?

An L-shaped cabinet run has 11 linear feet on one wall and 8 linear feet on the other. A 3-foot appliance gap is excluded. How many linear feet of cabinets are installed?

A shower floor must slope 1/4 inch per foot to the drain. What fall is needed over 4 feet?

A wood floor area is 420 square feet. Material costs $7.25 per square foot, and waste is 8 percent. What material cost should be estimated?

A room has 58 linear feet of baseboard. The trim costs $2.85 per linear foot. What is the material cost before waste?

A room is 18 feet by 12 feet. Flooring waste is 5 percent. How many square feet should be ordered?

A cabinet crown molding run is 24 feet long, and 12 percent waste is added for cuts. How many linear feet should be ordered?

A bedroom wall has 760 square feet of paint area and needs primer plus two finish coats. If each coat covers 380 square feet per gallon, how many total gallons are needed before attic stock?

A tile floor is 13 feet by 11 feet, with 12 percent waste. How many square feet should be ordered?

A cabinet run is 21 linear feet, and installation labor is $68 per linear foot. What labor cost should be estimated?

A room has 1,024 square feet of drywall surface. Using 4-foot by 8-foot sheets, how many sheets are needed before waste?

A wood floor covers 360 square feet, and the installer adds 7 percent waste. What order quantity results?

A 72-linear-foot crown molding run needs 10 percent waste. How many linear feet should be ordered?

A patio finish slopes toward the building at 1/8 inch per foot for 12 feet. How much fall is directed toward the wall?

A 420-square-foot resilient floor costs $4.35 per square foot, and 6 percent waste is added. What material cost is estimated?

A repaint scope has 640 square feet of wall area and needs two coats. Paint covers 320 square feet per gallon per coat. How many gallons are needed before attic stock?

A tile floor is 240 square feet, and each carton covers 12 square feet. How many cartons are needed before waste?

A ceiling has 768 square feet of drywall area. Using 4-foot by 8-foot sheets, how many sheets are needed before waste?

A flooring area is 520 square feet and requires 8 percent waste. How many square feet should be ordered?

A 16-foot by 14-foot room needs baseboard around the perimeter, with one 6-foot opening excluded. How many linear feet are needed before waste?

Cabinet installation is priced at $74 per linear foot for 19 linear feet. What labor cost should be estimated?

A closet is 9 feet by 6 feet. Flooring costs $4.80 per square foot. What material cost is estimated before waste?

A paint scope needs 2,100 square feet of coverage. One gallon covers 350 square feet. How many gallons are required?

A stair trim run needs 17 pieces at $22 each. What material cost should be estimated?

A room needs 68 linear feet of crown molding, and each stick is 16 feet long. How many sticks are needed before waste?

A shower wall has 96 square feet of tile area and uses 10 percent waste. How many square feet should be ordered?

A 24-foot wall is framed with studs at 16 inches on center and a stud at each end. How many layout studs are needed before extra king or jack studs?

A 36-foot wall is 8 feet high and will be sheathed with 4-foot by 8-foot panels installed vertically. How many full panels cover the wall before waste?

A 12-foot ledger is laid out for deck joists at 16 inches on center with a joist at each end. How many joists are needed?

A stair has a total rise of 105 inches. If the problem limit is a maximum 7.5 inches per riser, how many risers are needed?

A stair layout has 13 treads at 10 inches each. What total horizontal run is needed?

A 10-foot by 12-foot deck area is framed with decking that costs $4.80 per square foot. What is the decking material cost before waste?

A hip roof plane is 30 feet by 16 feet. How many square feet of sheathing does that rectangular plane require before waste?

A wall requires 12 pieces of 2x10 lumber at 16 feet each. Using nominal board feet, how many board feet are needed?

A 32-foot by 18-foot roof plane will receive 4-foot by 8-foot sheathing panels. How many panels are needed before waste?

A shear wall requires nails at 4 inches on center along panel edges. How many edge spaces are in 8 feet of panel edge?

A 30-foot wall uses studs at 16 inches on center with a stud at each end. How many layout studs are needed before openings?

A 20-foot beam requires bearing blocks at 4-foot spacing along a temporary support. How many spaces are there?

A room is 18 feet by 16 feet and needs subfloor panels. Using 4-foot by 8-foot panels, how many panels are needed before waste?

A shear wall edge is 96 inches long with nails at 6 inches on center. How many nail spaces are along that edge?

A roof plane is 26 feet by 18 feet. How many square feet of roof sheathing are needed before waste?

A deck is 12 feet by 16 feet. Decking costs $5.40 per square foot. What material cost is estimated before waste?

A stair has total rise of 96 inches and will use 12 equal risers. What is each riser height?

A 28-foot wall needs blocking at 4-foot intervals. How many intervals are there along the wall?

A beam requires 14 pieces of 2x8 lumber at 12 feet. Using nominal board feet, how many board feet are needed?

A 19-foot nonbearing partition is laid out at 16 inches on center with a stud at each end. How many layout studs are needed before openings?

Temporary shoring posts are planned every 6 feet along a 42-foot beam line, including both ends. How many posts are needed?

A shear wall line is 24 feet long, and hold-downs are required at 12-foot intervals including both ends. How many hold-down locations are needed?

A roof plane is 31 feet by 17 feet. How many square feet of sheathing are needed before waste?

A deck is 14 feet by 18 feet. How many square feet of framing area is being planned before waste?

A stair has total rise of 105 inches and 15 equal risers. What is the riser height?

A wall line has 9 anchor bolts already set. The revised plan adds 4 more anchor bolts. How many total bolts will be in the line?

A wall section is 11 feet high and 18 feet long. What is its framed wall area?

A beam line has hangers spaced every 24 inches along 16 feet. Including hangers at both ends, how many hanger locations are there?

A 26-foot wall is framed at 16 inches on center with a stud at each end. How many layout studs are needed before openings?

A temporary beam support uses posts every 5 feet over a 35-foot span, including both ends. How many posts are needed?

A 24-foot extension ladder is set using a 4-to-1 ratio. How far should the base be from the wall?

A 9-worker outdoor crew needs one quart of water per worker per hour for 6 hours. How many gallons are needed?

A 100-foot work zone needs channelizing devices every 20 feet. How many devices are needed if one is placed at each end and every 20 feet between?

Twelve bundles weigh 80 pounds each. What total load is being staged on the floor?

A 14-worker crew works outdoors for 8 hours. At one quart per worker per hour, how many quarts of water are needed?

A traffic-control taper uses a project rule of 10 feet of taper per 1 mph of speed. At 25 mph, what taper length is required?

A crew lifts 18 panels weighing 45 pounds each onto a cart. What total weight is placed on the cart?

A safety inspection found 9 hazards, and 7 were corrected by the next inspection. What percent were corrected?

A ladder is 28 feet long and uses a 4-to-1 setup ratio. How far should the base be from the wall?

A trench is 70 feet long, and the site rule requires access within 25 feet of workers. In a simple layout, how many access points are needed?

A 10-worker crew needs one quart of water per worker per hour for 7 hours. How many gallons are needed?

Sixteen workers need water for a 5-hour outdoor task at one quart per worker per hour. How many quarts are needed?

A project rule spaces cones every 15 feet along a 90-foot sidewalk detour. If cones are placed at both ends, how many cones are needed?

Twenty panels weigh 38 pounds each. What total weight is being moved?

A safety inspection finds 12 hazards, and 9 are corrected by Friday. What percent were corrected?

Twelve outdoor workers need one quart of water per worker per hour for 6 hours. How many quarts are needed?

A 32-foot ladder is set at a 4-to-1 ratio. How far should the base be from the wall?

A pedestrian detour is 100 feet long with cones every 20 feet, including both ends. How many cones are needed?

Fifteen drywall sheets weigh 72 pounds each. What total weight is being moved?

A deck platform is rated for 50 pounds per square foot and has 140 square feet. What total load rating does that represent?

A crew corrects 18 of 24 inspection findings by the due date. What percent were corrected?

A scaffold run needs 9 planks per bay for 4 bays. How many planks are needed?

A trench ladder must be within 25 feet of workers. A 95-foot straight trench is laid out with access at both ends and intermediate points. What minimum number of access points is needed?

A warning line must cover a 180-foot roof edge with stanchions every 30 feet, including both ends. How many stanchions are needed?

The outdoor crew has eighteen workers who each need one quart of water per hour for 4 hours. How many quarts should the site stage?

A crew uses 14 respirator cartridges per day. How many cartridges are needed for 6 workdays?

A warning line uses stanchions every 25 feet along a 150-foot roof edge, including both ends. How many stanchions are needed?

A 36-foot ladder is set using a 4-to-1 ratio. How far should the base be from the wall?

A scaffold has 6 bays, and each bay needs 8 planks. How many planks are needed?

A trench is 120 feet long, and access points must be within 25 feet of workers. In a simple straight layout, what minimum number of access points is needed?

A basement slab pour covers a 25-foot by 18-foot rectangle at 4 inches thick. About how many cubic yards are needed before waste?

If the concrete takeoff is 5.56 cubic yards and the estimator adds 10 percent waste, what total order quantity results?

A wall area takeoff totals 960 square feet. Using 4-foot by 8-foot drywall sheets, how many sheets are needed before waste?

A paint scope has 1,200 square feet of wall area and requires two coats. If paint covers 350 square feet per gallon per coat, how many gallons should be planned before extra attic stock?

A tile floor has 120 square feet of area and the estimator adds 15 percent waste. How many square feet should be ordered?

A rectangular room is 15 feet by 12 feet and has one 3-foot door opening. How many linear feet of baseboard are needed before waste?

A trench is 30 feet long, 2 feet wide, and 3 feet deep. How many cubic yards of excavation are there before swell?

An excavation has 6.67 bank cubic yards and the estimator uses 25 percent swell. What loose cubic yard quantity should be planned?

A low-slope roof area is 2,400 square feet. How many roofing squares is that before waste?

A 24-square roof estimate includes 12 percent waste. How many total squares should be planned?

A crew of 4 workers works 7.5 hours each on demolition. At $68 per labor-hour burdened cost, what is the labor cost?

A tile installer can place 85 square feet per day. How many full days are needed for 310 square feet?

A 14-foot by 10-foot room needs underlayment at $2.25 per square foot. What is the material cost before waste?

A rectangular footing is 60 feet long, 18 inches wide, and 12 inches deep. How many cubic yards of concrete are needed?

A 40-foot run of wall requires blocking every 8 feet. How many blocking intervals are there along the run?

A change adds 18 labor-hours at $74 per hour and $460 in material. What is the direct added cost before markup?

A markup of 15 percent is applied to a $1,792 direct change cost. What total price results?

A 22-foot by 16-foot room receives flooring priced at $6.40 per square foot with 8 percent waste. What material cost should be estimated?

A crew productivity rate is 0.20 labor-hours per square foot for 750 square feet of work. How many labor-hours are required?

A patio slab is 32 feet by 22 feet by 5 inches thick. About how many cubic yards of concrete are needed before waste?

The ready-mix order starts from a 10.87-cubic-yard concrete takeoff and adds 8 percent waste. What total order quantity results?

A wallboard takeoff totals 1,152 square feet. Using 4-foot by 8-foot drywall sheets, how many sheets are needed before waste?

The paint estimate covers 1,540 square feet of wall area with two coats, and each gallon covers 385 square feet per coat. How many gallons should be planned before attic stock?

The tile order starts with 168 square feet of measured floor area and adds 12 percent waste. What square-foot quantity should be ordered?

A rectangular room is 18 feet by 14 feet and has two 3-foot door openings. How many linear feet of baseboard are needed before waste?

The excavation takeoff lists a trench 42 feet long, 2.5 feet wide, and 4 feet deep. How many cubic yards are excavated before swell?

The haul-off worksheet starts with 15.56 bank cubic yards and applies 20 percent swell. What loose cubic yard quantity should be planned?

A roof area is 3,150 square feet. How many roofing squares is that before waste?

The roofing material order starts from a 31.5-square estimate and adds 10 percent waste. How many total squares should be planned?

The demolition estimate assigns 5 workers for 6.5 hours each at a burdened rate of $72 per labor-hour. What labor cost should be carried?