PRECAST CONCRETE SECTION 612 259 B. The Department will not measure the quantity of precast concrete arch, precast concrete retaining wall for arches, or prestressed reinforced concrete members.
612.5Basis of Payment.
other materials, contractor’s alternate designs, fabricating, transporting, and placing the units on site. The Department will consider anything not mea sured separately as incidental to the respective item.
ITEM DESCRIPTION UNIT 612000 PRECAST CONCRETE BOX CULVERT CY 612001 PRECAST CONCRETE RIGID FRAME CY 612002 PRECAST CONCRETE ARCH LS 612010 PRECAST CONCRETE RETAINING WALL CY 612011 PRECAST CONCRETE RETAINING WALL FOR ARCHES LS 612020 PRESTRESSED REINFORCED CONCRETE MEMBERS, SOLID SLABS LS 612021 PRESTRESSED REINFORCED CONCRETE MEMBERS, VOIDED SLABS LS 612022 PRESTRESSED REINFORCED CONCRETE MEMBERS, BOX BEAMS LS 612023 PRESTRESSED REINFORCED CONCRETE MEMBERS, BULB T BEAMS LS 612024 PRESTRESSED REINFORCED CONCRETE MEMBERS, NEXT BEAMS LS
CONCRETE COATINGS AND MEMBRANES SECTION 613 260 SECTION 613 — CONCRETE COATINGS AND MEMBRANES
613.1Description.
This work consists of providing and applying coating systems and waterproofing for concrete structures.
613.2Materials.
613.3Construction.
manufacturer's representative on site during surface preparation and coating application.
concrete sealer materials. Provide a manufacturer's analysis report of the materials used with the specified batch shipped to the job site.
beginning surface preparation.
recommendations, whichever is longer. Complete texturing, saw cutting, grooving, and repointing on new concrete surfaces before preparing the surface for sealer. Co mplete repairs on existing concrete surfaces in accordance with Section 628.
sealers and paints, and other matter from concrete surfaces in accordance with ASTM D4258 and SSPC -SP-13. Do not use sandblasting or shot -blasting on textured or form -lined concrete surfaces or on surfaces to receive aesthetic staining.
sufficient to clean, but not damage the concrete surface. Repair concrete surface damage resulting from the high -pressure wash. After high -pressure washing or a rain event, a llow 48 - hours for the surface to dry before continuing the surface preparation process.
remove dirt, debris, laitance, oil, and any other unallowable material without damaging the concrete. Vacuum and remove all shot and removed material.