514WATER REPELLENT, SILANE

514.0 1 DESCRIPTION . This work shall consist of furnishing and applying a penetrating -type protective

sealer on concrete surfaces.

514.0 2 MATERIALS . Materials shall meet the requirements of the following subsections:

Water Repell ent, Silane ................................ ................................ ............................. 726.10

514.0 3 PACKAGING , DELIVERY , AND STORAGE . The material shall be delivered to the project in

the original, unopened manufacturer’s containers and stored in accordance with the manufacturer’s recommendations.

514.0 4 PREPARATIO N OF SURFACES . All surfaces on which the protective sealer is to be applied

shall be clean and thoroughly dry to the satisfaction of the Engineer and in accordan ce with the manufacturer’s recommendations. Dirt, grease, curing compounds, asphalt, or other foreign materials shall be removed from the concrete surface before application of the sealer.

514.0 5 APPLICATION . The material shall be applied to the satisfact ion of the Engineer and in

accordance with the manufacturer’s recommendations. The minimum application rate for Type I silane water repellent shall be 125 square feet per gallon or per the manufacturer’s recommendations, whichever is greater. The minimum a pplication rate for Type II silane water repellent shall be 300 square feet per gallon or per the manufacturer’s recommendation, whichever is greater. In the absence of specific recommendations from the manufacturer, the protective sealer shall not be applied to new concrete surfaces that are less than 14 days old. The concrete surfaces shall be free from precipitation for 48 hours prior to application of the sealer. Application of the sealer shall be completed within 40 days of original concrete placement.

514.0 6 PROTECTION . After application of the sealer, the concrete surfaces shall be protected to the

satisfaction of the Engineer and in accordance with the manufacturer’s recommendations.

514.07 METHO D OF MEASUREMENT . The quantity of Water Repellent, Silane to be measured for

payment will be the number of gallons of solution applied in the complete and accepted work, measured to the nearest gallon. 5-206 514.08 BASI S OF PAYMENT . The accepted quantity of Water Repellent, Silane will be paid for at the Contract unit price per gallon. Payment will be full compensation for furnishing, transporting, handling, and placing the material specified and for furnishing all labor, tools, equipment, and incidentals necessary to complete the work. Payment will be made under: Pay Item Pay Unit

514.10 00 Water Repellent, Silane ................................ ................................ ............ Gallon

5-207 SECTIO N 516 – EXPANSIO N DEVICES

516.0 1 DESCRIPTION . This work shall consist of furnishing and installing, or partially removing and

modifying , expansion devices.

516.0 2 MATERIALS . Materials shall meet the requirements of the following subsection s:

Joint Sealer, Preformed Neoprene ................................ ................................ ............. 707.0 4 Preformed Fabric Material ................................ ................................ ......................... 707.0 5 Joint Sealer, Butyl Rubber Tape ................................ ................................ ................ 707.1 0 Asphaltic Plug Joint s for Bridges ................................ ................................ .............. 707.1 3 Structural Steel ................................ ................................ ................................ ........... 714.02 High -Strength Low -Alloy Structural Steel ................................ ................................ 714.03 Carbon Steel Bolts, Nuts, and Washers ................................ ................................ .....714.04 High -Stren gth Structural Bolts and Assemblies, 120 ksi ................................ ........... 714.05 Welded Stud Shear Connectors ................................ ................................ ................. 714.10 Epoxy Bonding Systems ................................ ................................ ............................ 719.0 1 Galvanizing ................................ ................................ ................................ ................ 726.0 6

516.0 3 FABRICATIO N DRAWINGS . The fabricator of the expansion devices furnished under this

section shall submit detailed fabrication draw ings in accordance with the requirements of Subsection

105.06 and Section 506 .

516.0 4 FABRICATION . Material furnished under this section shall conform to all applicable provisions

of Section 506 . Assemblies shall be fabricated to the designed roadway cross -section within a 1/8 inch tolerance of the theoretical dime nsions at any point. Unless otherwise specified, all expansion devices shall be galvanized. Extruded cellular and strip -type sealers shall be furnished in one continuous piece without splices. When it is specified that a neoprene seal be bonded to a steel surface that is not galvanized, the contact surface area shall be blast -cleaned and properly primed with adhesive. Contact surfaces of neoprene seals that will be bonded with an adhesive shall be cleaned and primed in accordance with the seal manufac turer’s instructions.