832 RUCKER AVE 2016-01-01 MF Import

Proposed Modification to the Residence of Joel & Kathy Larsen February 12, 2004 Everett, Washington ORA Project Number: 04-065-Report 1 TABLE 6.1 GRADATION REQUIREMENTS FOR STRUCTURAL FILL 'Note: The percent passing the No. 200 sieve is based on the weight of the material passing the 3/4-inch sieve. Basement walls must be adequately waterproofed prior to placement of backfill. Backfill behind basement walls must be free-draining, granular material, separated from the native soils by a filter fabric similar or equivalent to MIRAFI� 140N as shown on the Schematic of Footing Drain provided ion the Appendix of this report. If construction is performed during the wet season, a granular base or work blanket m<�y be required. Granular materials used as a work blanket should conform to the gradati�n presented in Table 6.2, and be approved by the geotechnica{ engineer prior to use. TABLE 6.2 GRADATION REDUIREMENTS FOR WORK BLANKET U.S. Standard Sieve � Percent Passina `: 4-inch I 100 '/z-inch I 20 maximum No. 200 I 5 maximum" 'Note: The percent passing the No. 200 sieve is based on the weight of the material passing the 3/4-inch sieve. 6.4.5 Placement and Compaction: With the exception of structural backtill behind basement or retaining walls, all fill and backfill materials (structural, select, and gravel base) should be placed in relatively horizontal loose lifts not exceeding 10 inches in Otto Rosenau & Associates, Inc. Pagc 10 of 13 ��a7