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DocuSign Envelope ID:070B6BC7-CDE2-4AO8-BE62-07FA6BFDO53B <br /> 11/20/2020 <br /> 2.3 SOIL MATERIALS <br /> A. Soil materials are specified in Section 3120 00 "Earth Moving." <br /> 2.4 WATERPROOFING FELTS <br /> A. Material: Comply with [ASTM D 226,Type I, asphalt] [or] [ASTM D 227, coa]-tar]-saturated <br /> organic felt. <br /> 2.5 GEOTEXTILE FILTER FABRICS <br /> A. Description: Fabric of PP or polyester fibers or combination of both, with flow rate range from <br /> 110 to 330 gpm/sq. ft.when tested according to ASTM D 4491. <br /> B. Structure Type: Nonwoven,needle-punched continuous filament. <br /> 1. Survivability: AASHTO M 288 Class 2. <br /> 2. Styles: Flat and sock. <br /> PART 3 -EXECUTION <br /> 3.1 EXAMINATION <br /> A. Examine surfaces and areas for suitable conditions where subdrainage systems are to be installed. <br /> B. If subdrainage is required for landscaping, locate and mark existing utilities, underground <br /> structures, and aboveground obstructions before beginning installation and avoid disruption and <br /> damage of services. <br /> C. Verify that drainage panels installed as part of foundation wall waterproofing is properly <br /> positioned to drain into subdrainage system. <br /> D. Proceed with installation only after unsatisfactory conditions have been corrected. <br /> 3.2 EARTHWORK <br /> A. Excavating,trenching, and backfilling are specified in Section 3120 00 'Barth Moving." <br /> 3.3 FOUNDATION DRAINAGE INSTALLATION <br /> A. Foundation drainage shall be constructed as shown in the Drawings and per manufacturer <br /> recommendations. <br /> 33 46 00 SUBDRAINAGE Page 2 of 4 <br />