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1The minimum clearance between bars in a column is 2-1/2 db and must be at least _____ but not more than 5 inches from the outside edge.
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2When heavy-trade wooden pole scaffolds are constructed of wood, the uprights shall be 4 in. x 4 in. lumber or heavier material spaced with a space of 4 feet between uprights at a right angle to the wall and not more than ____ feet, center to center parallel to the wall.
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3Horses for heavy trade scaffolds shall have top horizontal members or ledgers of ______ lumber or equivalent strength, if the distance between the leg connections is greater than 4 ft. but does not exceed 8 ft.
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4In accordance with the building code, glass block interior walls may not exceed _____ sq. ft. of unsupported area or 25 ft. in any dimension.
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5Where the joists do not head into the chimney, the anchor straps shall be connected to 2 inch by 4 inch ties crossing a minimum of ______ joists. The ties shall be connected to each joist with_____.
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6On cavity wall construction, there shall be at least one 3/16 inch diameter wall tie for each ____ of wall area.
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7Planks used for platforms shall not be less than 2 inches by 10 inches and the distance between supports shall not exceed _______ for heavy trades.
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8Ramps for wheelbarrows _____ feet high shall be at least 2 feet 6 inches in width, firmly cleated together and secured at each end to prevent ramp from sliding.
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9The legs of horses for heavy trade scaffolds shall be _______ lumber or material of equivalent strength, for horses not exceeding 4 ft. in height.
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10Units may be laid to the full height of the grout pour and grout shall be placed in a continuous pour in grout lifts not exceeding 6 feet. The minimum time between pours is:
