SECTION 428—CONCRETE SURFACE PENETRANT SEALER
428.01 Description
This work shall consist of furnishing and applying a water repellant concrete surface penetrant in accor- dance with this section and in conformity with the details and locations indicated on the plans. The color of the penetrant sealer shall be clear.
428.02 Materials
Penetrant sealer shall be from the VDOT Materials Division’ s Approved Products List 30.
428.03 Procedures
The Contractor shall apply penetrant sealer in accordance with the manufacturer’ s instructions, except as otherwise specified herein. The penetrant sealer shall not be applied until all adjacent or superim - posed concrete placements have been completed. The Contractor shall abrasive blast clean all surfaces to receive the penetrant sealer to provide a clean uniform texture, free of foreign substances such as oils, release agents, curing agents, or efflorescence. All abrasive blasting residue shall be completely removed and disposed of away from the area of application prior to application of the penetrant sealer. The Contractor shall thoroughly mix each container of penetrant sealer material according to the manu- facturer’ s recommendations. The penetrant sealer material shall be applied by experienced persons using spray, brush or roller and shall not be thinned or reduced, except as may be specifically required by the manufacturer. Application rates and number of coats shall be in accordance with the manufacturer’ s recommendations. All construction debris and abrasive blast residue shall be properly disposed of offsite in accordance with Section 106.04 once this work is completed.
428.04 Measurement and Payment
Concrete surface penetrant sealer will be measured in square yards and will be paid for at the contract unit price per square yard. This price shall include preparing surface, and furnishing and applying the sealer. Payment will be made under: ———————————————————————————Pay Item Pay Unit———————————————————————————Concrete Surface Penetrant Sealer Square Y ard——————————————————————————— 428.04
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