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Home My WebLink AboutR-408015NW 1/4 OF SECTION 16, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M. I INFILTRATION ZONE NON -INFILTRATION ZONE STORMWATER INFILTRATION FACILITY SECTION NOTES N D J ui E m z 270 A STORMWATER INFILTRATION FACILITY SECTION A C301 H SCALE: 1 "=20', V SCALE: 1 "=5' z J L r DESIGNER DRAWN BY CHECKED BY CD TT RG E a NO. REVISION COMMENTS BY REVIEW DATE n , ADDENDUM NO. 3 CDD CDD 10/04/2023 _ a i UUIN3 1 MUU I IUIN n/wC 6CCIN � INCORPORATED INTO THESE "AS —BUILT" DRAWINGS, BUT ARE NOT HIGHLIGHTED/ CLOUDED FOR CLARITY.jj THESE "AS —BUILT" PLANS REFLECT DESIGN INFORMATION, INCLUDING PLAN REVISIONS MADE DURING CONSTRUCTION, WITH "AS —BUILT" INFORMATION PROVIDED BY THE CONTRACTOR. OTAK HAS NOT REVIEWED THE INFORMATION SUPPLIED BY THE CONTRACTOR FOR ACCURACY AND HAS NOT SURVEYED TO VERIFY THE "AS —BUILT" CONDITIONS SHOWN. CHARLES DEWEY, P.E 3/14/2025 CITY OF RENTON PUBLIC WORKS 1055 SOUTH GRADY WAY, 5TH FLOOR- RENTON, WA 98057 MONROE AVE NE INFILTRATION FACILITY CITY PROJECT SWP-27-4080 Otak in 11241 Willows Road NE, Suite 200 Redmond, WA 98052 425.822.4446 www.otak.com GEOTEXTILE DETAIL - ENLARGED NTS OEXCAVATED SLOPE BY OTHERS. SEE SHEET C201 FOR PLAN VIEW EXTENTS. 2D TREATMENT VAULT, SEE SHEETS C413-C414 FOR DETAILS. O3 INSTALL GEOTEXTILE FABRIC, NON -WOVEN GEOTEXTILE FOR UNDERGROUND DRAINAGE, MODERATE SURVIVABILITY CLASS C PER WSDOT 9-33.2(1) AGAINST 2:1 EXISTING FILL CUT SLOPE AND BACKFILL EXCAVATED AREA WITH SELECT BORROW PER SPECIAL PROVISIONS 2-03 AND COMPACT PER WSDOT STD. SPEC 2-03.3(14)C, METHOD A. 40 INSTALL GEOTEXTILE FABRIC MIRAFI FW402 OR APPROVED EQUAL PER SPECIAL PROVISIONS 2-12 AND BACKFILL EXCAVATED AREA WITH INFILTRATION GRAVEL PER SPECIAL PROVISIONS 2-03 AND COMPACT PER WDSOT STD. SPEC 2-03.3(14)C, METHOD A. 50 INSTALL 12" COMPACTED DEPTH GRAVEL BACKFILL FOR WALLS PER WSDOT STD. SPEC 9-03.12(2) OVER INFILTRATION FACILITY FROM TOE TOE OF PLAY FIELD PERIMETER SLOPES. COMPACT PER WSDOT STD. SPEC 2-03.3(14)C, METHOD C. OCONSTRUCT STORMWATER INFILTRATION FACILITY PER DETAILS ON SHEET C310. OPROVIDE MINIMUM OF 12" OF INFILTRATION GRAVEL, PER SPECIAL PROVISION 7-06, ABOVE AND TO THE OUTSIDE OF INFILTRATION CHAMBERS FOOTPRINT PER DETAILS ON SHEET C310. 8O BACKFILL WITH GRAVEL BORROW PER WSDOT STD. SPEC 9-03.14(01), COMPACT PER WSDOT STD SPEC 2-03.3(14)C, METHOD B. OPLACE 18-IN DEEP TOPSOIL TYPE A PER DETAIL ON SHEET L702. 10 GRADE SLOPE AT MAXIMUM 4H:1V. 11 INSTALL GEOTEXTILE FABRIC, NON -WOVEN GEOTEXTILE FOR UNDERGROUND DRAINAGE, MODERATE SURVIVABILITY CLASS C PER WSDOT 9-33.2(1). 12 BACKFILL EXCAVATED AREA WITH NON -INFILTRATION MATERIAL. NON -INFILTRATION MATERIAL SHALL MEET REQUIREMENTS IN SPECIAL PROVISIONS SECTION 2-03. 13 CONSTRUCT TREATMENT VAULT DRAIN PER DETAIL ON SHEET C414. 14 INSTALL GEOTEXTILE FABRIC, NON -WOVEN GEOTEXTILE FOR UNDERGROUND DRAINAGE, MODERATE SURVIVABILITY CLASS C PER WSDOT 9-33.2(1) IN 23-FT WIDE SECTIONS WITH 2-FT MINIMUM OVERLAP, WITH TAPED SEAMS, AT EACH 2-FT LIFT, IN STAGGERED ROWS WITH A 15-FT CLEAR SPACE BETWEEN EACH 23-FT WIDE GEOTEXTILE SECTION, AS DIRECTED BY ENGINEER. LEGEND SELECT BORROW, PER PROJECT SPECIAL PROVISIONS O�O INFILTRATION GRAVEL, PER PROJECT SPECIAL PROVISIONS \\ \ UNDISTURBED NATIVE MATERIAL TOPSOIL TYPE A NON -INFILTRATION MATERIAL, PER PROJECT SPECIAL PROVISIONS SECTION 2-03 EXISTING FILL MATERIAL GRAVEL BORROW O GRAVEL BACKFILL FOR WALLS PROPOSED PERMANENT EASEMENT LINE GEOTEXTILE FABRIC, NON -WOVEN GEOTEXTILE FOR UNDERGROUND DRAINAGE, MODERATE SURVIVABILITY CLASS C PER WSDOT 9-33.2(1) {} MIRAFI FW402, OR APPROVED EQUAL, PER SPECIAL PROVISIONS SECTION 2-12. CALL BEFORE YOU DIG 1-800-424-5555 OTAK 33201.A PROJECT NUMBER STORMWATER INFILTRATION FACILITY SECTION I C302 DRAWING NO. R-408015 I SHEET: 15 OF 36 © 2023 OTAK, INC.