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1During construction, when installing safety rails around floor and wall openings, the top guardrail shall be at least 42 inches high and be able to withstand a ___ load.
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2Primers not made up in a make-up magazine shall be made up on location at least ___ feet from the 1st class storage magazine and at a safe distance from other workers not involved in the blasting operations.
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3All trees, existing stumps and roots within embankment areas where the grading plane is 2 ft. or more above the natural ground, shall be cut off not more than __ above the natural grade or completely removed where a structure is to be constructed, piles are to be placed or drainage ditches to be installed.
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4A truck delivers 15 tons of hot-mix to the paver. The paver is placing a mat 12 1/2 feet wide and 1 1/2 inches thick. The mixture has an in place density of 144 pounds per cubic foot. How long a section of pavement should the paver be able to place using the 15 tons?
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5How much #4 rebar is required in 20 ft. x 30 ft. slab, if the bars are to be placed 12 inches o.c. each way:
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6When installing a sewer line with the aid of a tunnel, the tunnel needs to be at least ___ ft. tall if the sewer is 6 ft. wide.
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7There is a 2% slope indicated for the road in the cross section. From the middle road to the curb and gutter, figure the vertical distance in inches.
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8Caltrans has a job to overlay a roadway 20 ft. wide, one mile long with a 2 in. overlay. How many tons of asphalt are required to do this job? The rate of application equals 20 lb./yd².
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9How many ties are required for a masonry wall that has 5,000 sq. ft. in it and the ties are to spaced 2 feet o.c. each way?
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10For this sign, the standard height is 6" and the reduced height is 5". The standard size and the acceptable reduced size for this sign is 42" x 42"; 36" x 36"
