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SANFORD RESIDENCE <br /> PRELIlI�IINARI' PROJECT DESCRIPTION <br /> b. 4"-6" sand layer below vapor retainer. <br /> c. Plastic vent stack from sub slab gravel up through roof for Rador� <br /> control (use recycled plastic tubing). <br /> 6. Bac�ll foundadon walls as per recommendations of soils engineer. <br /> a. 2"-4" of gravel or "waste" glass. <br /> B. MOISTURE AND THF.RMA�PROTECTION (House only) <br /> 1. Full vapor retainer under floor slab. <br /> 2. Rigid insulation board at perimeter of foundation wall and under floor slab <br /> (above gravel, below sand). <br /> a. 2"-3" extruded - polystyrene. <br /> 3. 2-3/8" waterproofing on all foundation walls (Warm and Dry/Tuff and Dry). <br /> 4. Provide capillary break on top of footing (Tu-Tuf� #3. <br /> C. SUBDRAINAGE SYSTEM <br /> 1. Perforated drain tile with granular backfill soil on foundation walls inside and <br /> out. Draintile to drain to sump basket. No pump unless required. <br /> ELEMENT D � SITPF.R�TRTTC'TiTRF <br /> A. WALL FRAMING <br /> 1. Garage: <br /> a. Load bearing 2x6 (advanced framing) wood stud with exterior rated <br /> sheathing (OSB). <br /> 2. House: <br /> a. Load bearing 2x6 advanced framing wood stud construction with <br /> exterior rated sheathing (OSB). <br /> 3. Headers <br /> a. Manufactured headers (Superior Wood Systems, Superior, WI - 715� <br /> 392-3484). <br /> b. Manufactured rim joists ('Timberstrand by Truss Joist MacMillian, <br /> Minneapolis, MN - 612-896-1115). <br /> B. FLOOR FRAMING <br /> 1. House <br />