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8/06/2020 <br /> <br />07 13 00 BELOW GRADE WATERPROOFING Page 4 of 6 <br />Drive pin-type fasteners are not accepted for this application due to potential for damage to <br />masonry. <br />F. Protection Board: Provide extruded polystyrene rigid board insulation meeting requirements of <br />ASTM C578, Type IV. Insulation shall be 1” thick and have a minimum compressive strength <br />of 25 psi per ASTM D1621. Insulation shall have a minimum density of 1.55 pcf, and a maximum <br />water absorption of 0.1% by volume in accordance with ASTM C272. Acceptable products and <br />manufacturers include: Styrofoam by Dow; Foamular 250 by Owens Corning, and Greenguard <br />by Kingspan. Provide manufacturer recommended adhesive or detail tape for securement until <br />backfill. <br />G. Provide other waterproofing system accessories not specifically listed, but required for the proper <br />and complete installation of the system. <br />2.2 MISCELLANEOUS REPAIR MATERIALS <br />A. Repair Mortar: Provide a polymer-modified, fast-setting Portland cement repair mortar that is <br />supplied in a factory-proportioned unit and can be used on vertical masonry surfaces. Product <br />shall be capable of stopping pressure leakage of water and shall have a rapid set time. Basis of <br />design, SikaSet Plug, or approved equal. <br />B. Backfill material: Refer to applicable sections of the technical specifications for information <br />regarding backfill activities and required materials. <br />C. Joint Sealant: Refer to applicable sections of the technical specifications for information regarding <br />replacement of existing joint sealants or installation of new joint sealants that do not form an integral <br />part of the waterproofing system. <br />D. Provide other repair materials and accessories not specifically listed, but required for the proper <br />and complete installation of the work. <br />PART 3 - EXECUTION <br />3.1 EXCAVATION, INSPECTION, AND SURFACE PREPARATION <br /> <br />A. Excavation of existing soil from existing grade down to the top of the foundation wall footing is <br />required to allow for new waterproofing system installation. Final excavation directly adjacent <br />to the wall should be performed using hand tools to provide safe and proper access to the substrate <br />to be waterproofed without damage to the existing masonry wall or adjacent wall features <br />(windows, sills, etc.). <br />B. At isolated areas with remedial waterproofing membrane and protection board, remove existing <br />materials and dispose of off-site. At areas with existing bituminous waterproofing/dampproofing, <br />removal existing materials and dispose of off-site. <br />C. Inspect and clean the surface of the exposed brick masonry foundation wall and top of the footing. <br />Use of wire brushes, vacuuming/scraping, and other cleaning methods shall be used as needed to <br />DocuSign Envelope ID: 7D9ACD4F-8F6C-42B6-9ADB-C60032DB6D03