Dampproofing
Description
516.01This work consists of dampproofing concrete surfaces per these specifications and in
conformity with the plans or as ordered.
Materials
516.02Materials for dampproofing with asphalt shall conform to the requirements of
subsection 702.01.
Construction Requirements
516.03Surfaces to be dampproofed shall be cured, dry and free of all frost, loose material and
dirt. The surface that is to be protected by dampproofing shall be thoroughly cleaned before the primer is applied. The surface shall then be brush or spray painted with two coats of asphalt for primer treatment at a rate of 1/8 gallon per square yard for each coat. After the primed surface has dried one application of asphalt dampproofing material shall be applied by brush, at a rate of 1/10 gallon per square yard.
Care shall be taken to prevent discoloration of other parts of the structure not to be dampproofed, by the dripping or spreading of asphalt.
Method of Measurement
516.04Dampproofing will be measured by the square yard of surface area dampproofed
Basis of Payment
516.05The accepted quantities of dampproofing, including absorptive primer coats, will be
paid for at the contract unit price per square yard. Payment will be made under:
Pay Item Pay Unit Dampproofing (Asphalt) Square Yard
516.05
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