EASEMENT NOTES:. EASEMENT LIMIT SHOWN AS PROVIDED BY. TESC NOTES:. CONTRACTOR SHALL DEVELOP TEMPORARY EROSION AND SEDIMENT CONTROL PLAN AND PROVIDE ONSITE CERTIFIED EROSION AND SEDIMENT CONTROL LEAD (CESCL) THROUGHOUT DURATION OF PROJECT. 2. AT MINIMUM, THE FOLLOWING BEST MANAGEMENT PRACTICES (BMP) SHALL BE IMPLEMENTED: PROTECTION OF ALL INLETS INTO THE STORM DRAIN SYSTEM PER WSDOT STANDARD PLANS I-40.20 (TYPICAL OF 4). SILT FENCE DOWNSTREAM OF ALL EXCAVATED AREAS PER WSDOT STANDARD PLAN I-30.5. COMPOST SOCK AND EROSION CONTROL BLANKET PER WSDOT STANDARD PLANS PER I-30.40 AND -60.0 ON ALL SLOPES THAT HAVE BEEN CLEARED / GRUBBED. FLAG NATURAL VEGETATION AND INSPECT REGULARLY. CONTROL DUST. MAINTAIN CONSTRUCTION ACCESS AND PREVENT SEDIMENT FROM BEING TRACKED ONTO PAVED SURFACES. HATCH LEGEND CLEARING LIMIT ASPHALT REMOVAL GRADING / EXCAVATION LIMIT EXISTING EDGE OF ASPHALT CLEARING LIMIT STA 2+02.9, 5.7' LT STA 2+3.3, 6.' LT PROTECT DRIVEWAY AND MAINTAIN ACCESS THROUGH DURATION OF CONSTRUCTION 800 CONTINENTAL PLACE (360) 46-400 FAX (360) 46-405 STA +55.7, 6.5' LT EXISTING EDGE OF ASPHALT SAWCUT LIMIT ASPHALT REMOVAL STA 2+95.8, 8.4' LT EASEMENT (SEE NOTE, THIS ) APPROXIMATE GRADING/ EXCAVATION LIMIT PROVIDED APPROXIMATELY 00-LF OF TEMPORARY SILT FENCE EXISTING TREES TO BE REMOVED BY COUNTY FORCES CLEARING / GRUBBING LIMIT (5-FT WIDTH CENTERED ON PIPELINE ALIGNMENT) EXISTING TREES TO BE PRESERVED (DO NOT DISTURB), TYPICAL UNLESS NOTED OTHERWISE PROJECT NO.: ES3090-3 FED. AID NO.: N EXISTING SITE AND TESC PLAN INCH SCALE BAR 2 OF 7 RBNLEE - March 2, 208-4:03 PM - Q:\_GEOTECH\50345 SLIDE\207-03 WALL DESIGN UP\50345-02.DWG
CONSTRUCTION NOTES:. ALL CONSTRUCTION ACTIVITIES SHALL BE CONTAINED WITHIN RIGHT OF WAY OR EASEMENTS. 2. ALL SURFACE CONDITIONS SHALL BE RESTORED TO EXISTING OR BETTER CONDITIONS. 3. ACTUAL PIPE LOCATIONS SHALL BE VERIFIED IN THE FIELD. 4. EXISTING WATERLINE IS APPROXIMATELY 2.8' COVER. 5. ELEVATION OF EXISTING PRIVATE DRAIN LINE IS UNKNOWN. CONTRACTOR TO LOCATE THROUGH POTHOLING PRIOR TO CONSTRUCTION, AND NOTIFY SHOULD EXISTING LINE BE FOUND IN A DIFFERENT LOCATION AND/OR CONFIGURATION THAN SHOWN. MAY OPT TO LOWER INVERT OF CB-3 TO PROMOTE POSITIVE DRAINAGE TO CB-2 (.0% MINIMUM GRADE). CUT, CAP, AND ABANDON EXISTING PIPE RUNNING SOUTH ACROSS THE CB-3, STA +63.3A,.6' LT TYPE I CB WITH SOLID COVER Rim: 9.4' I.E. N: 6.0' (VERIFY) I.E. E: 5.9' CONNECT TO EXISTING PROPERTY OWNER DRAIN PIPE. CONTRACTOR TO POTHOLE AND LOCATE PRIOR TO CONSTRUCTION. 44 LF OF 2" DIAMETER CPE PIPE RESTORE ALL LANDSCAPED AREA DISTURBED WITHIN RIGHT OF WAY CB-2, STA 2+06.3A,.0' LT TYPE I CB WITH GRATED COVER Rim: 9.5' I.E. W: 5.0' I.E. E: 5.6' I.E. S: 2.5' 24 LF OF 2" DIAMETER CPE PIPE CB-4, STA 2+96.7A, 6.8' LT TYPE I CB WITH GRATED COVER Rim: 9.5' I.E. W: 7.5' 800 CONTINENTAL PLACE (360) 46-400 FAX (360) 46-405 EDGE OF ASPHALT ASPHALT THICKENED EDGE STA 2+09.5. 5.2' RT 9 LF OF 2" DIAMETER CPE PIPE SEE WALL DETAIL 5 00 LF OF 2" DIAMETER FUSION WELDED SOLID WALL HDPE PIPE (SDR 2) CB-, STA 2+2.A, 2.8' RT TYPE I CB WITH GRATED COVER Rim: 8.2' I.E N: 2.' I.E. S: 2.0' ASPHALT THICKENED EDGE STA 2+4.8. 5.2' RT PROJECT NO.: ES3090-3 FED. AID NO.: PROVIDE VENT ACCESS STA 20+60.6 B 60 LF OF 2" DIAMETER FUSION WELDED SOLID WALL HDPE PIPE (SDR 2) N SITE AND STORM DRAIN PLAN DIFFUSER TEE INCH SCALE BAR MHHW 3 OF 7 RBNLEE - March 2, 208-4:05 PM - Q:\_GEOTECH\50345 SLIDE\207-03 WALL DESIGN UP\50345-03-04.DWG
PROFILE - ALIGNMENT A SCALE: :0 (HORIZONTAL), :0 (VERTICAL) 2 OUTFALL PROFILE - ALIGNMENT B SCALE: :0 (HORIZONTAL), :0 (VERTICAL) RBNLEE - March 2, 208-4:06 PM - Q:\_GEOTECH\50345 SLIDE\207-03 WALL DESIGN UP\50345-03-04.DWG P-5 60LF 2" DIAMETER SOLID WALL HDPE PIPE VENT ACCESS STA 20+60.6 B SEE DETAIL, 6 P- 00LF 2" DIAMETER SOLID WALL HDPE PIPE CB-3 RIM: 9.4' I.E. N: 6.0' I.E. E: 5.9' CB-2 RIM: 9.5' I.E. W: 5.0' I.E. E: 5.6' I.E. S: 2.5' CB- RIM: 8.2' I.E. N: 2.' I.E. S: 2.0' CB-4 RIM: 9.5' I.E. W: 7.5' P-2 24LF 2" DIAMETER CPE PIPE @.8% P-4 9 LF 2" DIAMETER CPE PIPE @ 2.% P-3 44LF 2" DIAMETER CPE PIPE @ 2.% BLOCK WALL, SEE 5 PROVIDE ANCHOR BLOCK IN BASE OF WALL. SEE DETAIL, 6 PROVIDE MINOR GRADING AS REQUIRED TO ACCOMMO PIPE INSTALLATION ON SURFACE SLOPE PIPE TO MATCH, APPROXIMATELY 70-PERCENT PROVIDE DIFFUSER TEE AT TERMINUS. SEE DETAIL, 6 CB- INCH SCALE BAR 4 OF 7 STORM DRAIN PROFILES PROJECT NO.: ES3090-3 FED. AID NO.: N/A 800 CONTINENTAL PLACE (360) 46-400 FAX (360) 46-405
NOTES:. DRAINAGE SLOT (BELOW WALL) SHALL CONSIST OF PERMEABLE BALLAST FILLED TRENCHES (2 TOTAL). EACH TRENCH SHALL HAVE DIMENSIONS OF 2'W X 2'H AND EXTEND FROM BEHIND THE WALL TO DAYLIGHT AT SLOPE IN FRONT OF WALL.. 2. OWNER'S ENGINEER SHALL BE ON SITE TO CONFIRM APPROPRIATE WALL FOUNDATION SUBGRADE CONDITIONS, ASSIST WITH BLOCK LAYOUT, AND VERIFY BACKFILL AND DRAINAGE MEASURES PRIOR TO INSTALLATION. 3. CONTRACTOR SHALL PROVIDE 24-HOUR NOTICE TO ENGINEER PRIOR TO FOUNDATION PREPARATION. 4. CONTRACTOR SHALL BE PREPARED TO PROVIDE ADDITIONAL BLOCKS, AND/OR MODIFY THE LAYOUT OF THE WALL FROM THAT SHOWN HERE, BASED ON FIELD CONDITIONS AND RECOMMENDATIONS GIVEN BY THE OWNER'S ENGINEER. CORNER OF WALL STA +98.3A, 26.3' RT Elevation 20 5 0 05 00 S 68 0'0" E 5-FEET (TYP.) DRAINAGE SLOT LOCATIONS, SEE NOTE-, THIS PROPOSED DRAIN PIPE SHOWN FOR REFERENCE SEE 3 FOR LOCATION INFORMATION C' CLOSURE BLOCKS: SET BACK FROM WALL FACE (SEE PLAN) TOP WALL ELEV. 3.5 RBNLEE - March 2, 208-4:04 PM - Q:\_GEOTECH\50345 SLIDE\207-03 WALL DESIGN UP\50345-05.DWG EDGE OF ASPHALT 2.5-FEET (TYP.) 2-INCH HDPE PIPE (PASSING THROUGH 2.5' X 2.5' OPENING) D D' ACPT- ACPT-3/HA- CROSS SECTION C-C' ACPT-2/HA-3 WALL PLAN SCALE: :5 3X BEAM BLOCK WALL ELEVATION C CROSS SECTION D-D' WALL ELEVATION SECTION 2.5' X 2.5' X 5' (W X H X L) PRE-CAST RETAINING WALL BLOCKS (TYP) MIN. 6-INCH CRUSHED SURFACING BASE COURSE (CSBC) CAST IN PLACE CONCRETE ANCHOR (SEE DETAIL 5, 6) 95 95 0 0 20 30 40 SCALE: :5 (HORIZONTAL), :5 (VERTICAL) 2' W x 2' H DRAINAGE SLOT. SEE NOTE- THIS. (TYPICAL OF 2) CLOSURE BLOCK, SETBACK EQUAL TO WIDTH OF BLOCK 20 5 0 05 00 Elevation SAMISH ISLAND EXISTING FILL ACPT-3/HA- ACPT-3/HA- GLACIAL MARINE DRIFT ACPT- GLACIAL TILL 6-INCH MIN. CSBC PERMEABLE BALLAST H CROSS SECTION C-C' SCALE: :0 (HORIZONTAL), :0 (VERTICAL) SAMISH ISLAND SAMISH ISLAND RD, SECTION AT 2+0 A GLACIAL MARINE DRIFT EXISTING FILL GLACIAL TILL ACPT- 0.75 0.75.5.5 FINISHED GRADE 6V FINISHED GRADE H 6-INCH MIN. CSBC 6V ACPT-2/ HA-3 0 0 20 30 40 PERMEABLE BALLAST ACPT-2/ HA-3 -FOOT MIN. EMBEDMENT SAMISH ISLAND RD, SECTION AT 2+24 A 0 0 20 30 40 CROSS SECTION D-D' SCALE: :0 (HORIZONTAL), :0 (VERTICAL) -FOOT MIN. EMBEDMENT PROJECT NO.: ES3090-3 FED. AID NO.: N/A 800 CONTINENTAL PLACE (360) 46-400 FAX (360) 46-405 BLOCK WALL DETAILS 5 OF 7 INCH SCALE BAR
2" DIA. HDPE PIPE SDR 2 3" MIN. 2:00 3" 5:00 PIPE SDR 2 2" DIA. HDPE FLOW NO HOLES OPPOSITE PIPE HOLE DIAMETER = 3" HDPE REMOVABLE CAP DIFFUSER HOLES: ORIENT TO BEST POSITION AFTER FIELD CHECK, (HOLES BETWEEN THE 2:00 AND 5:00 O'CLOCK POSITION) FLANGED CONNECTION (FLANGES WELDED TO PIPE ENDS). SEE NOTE, THIS. 2" DIAMETER HDPE TEE. SEE NOTE, THIS. 3" BRANCH LENGTH = 3' STAINLESS STEEL THUMB SCREWS SPACING = 3" FLOW FUSION WELD (FLANGED CONNECTION ALSO ACCEPTED) FLOW BEND ANGLE PER PLAN VENT/ACCESS NOTE:. VENT/ACCESS BEND TO BE FUSION WELDED TO HDPE PIPE. HDPE VENT/ACCESS (SEE VIEW A) FABRICATED HDPE VENT/ACCESS BEND, 2" DIA. HDPE PIPE SDR 2. SAWCUT (TYP) REMOVE TOP LAYER EXISTING HMA BEYOND TRENCH LIMIT CSTC, MATCH EXISTING THICKNESS 2" DIAMETER STAINLESS STEEL BOLTS & NUTS VENT VIEW A 2" (TYP) 5" 5" MIN 45" HMA CL /2" PG 64-22, MATCH EXISTING THICKNESS BANK RUN GRAVEL FOR TRENCH BACKFILL PIPE, CENTERED IN TRENCH PIPE ZONE BEDDING MATERIAL 800 CONTINENTAL PLACE (360) 46-400 FAX (360) 46-405 DIFFUSER TEE DETAIL 2 VENT/ACCESS DETAIL 3 TRENCH DETAIL DIFFUSER TEE NOTES:. HDPE TEE FOR DIFFUSER MAY BE EITHER MOLDED OR WELDED/FABRICATED. 2. HDPE SHALL BE PROVIDED WITH IRON PIPE SIZE (IPS) FLANGED ADAPTERS MATCHING SDR OF HDPE PIPE. BOLT HOLE PATTERN OF FLANGE TO MATCH ANSI B6.. PROVIDE STAINLESS BACKING RINGS ON EACH FLANGE. PROVIDE WATERTIGHT GASKET AND STAINLESS STEEL BOLTING HARDWARE. CAST IN PLACE 3,000 PSI CONCRETE TO ENCAPSULATE AND SURROUND THE PIPE 2.5-FEET W x 2.5-FEET H x 5-FEET L 2" EPOXY DOWEL 5/8-INCH BAR (4 PLACES BETWEEN PRECAST BLOCK AND CAST IN PLACE ANCHOR BLOCK) SHORELINE 2-INCH HDPE DRAIN PIPE WITH IN-LINE FLANGE ANCHOR BOTTOM BLOCK COURSE TEMPORARY PLYWOOD FORM (TYP. BOTH ENDS) SHORELINE PRECAST CONCRETE BLOCKS, PER PLANS, SEE 5 TEMPORARY PLYWOOD FORM (TYP. BOTH ENDS) V 6H.5 H : V FILL SLOPE PERMEABLE BALLAST WALL BACKFILL HDPE DRAIN PIPE WITH IN-LINE ANCHOR FLANGE SLOPED TO DRAIN AND CENTERED IN BLOCK OPENING 2.5-FEET WIDE x 2.5-FEET TALL x 5-FEET LONG CAST IN PLACE CONCRETE 4" CRUSHED SURFACING BASE COURSE MATERIAL ASPHALT THICKENED EDGE 5 8" 2" EDGE OF EXISTING EXISTING BASE ASPHALT THICKENED EDGE DETAIL PROJECT NO.: ES3090-3 FED. AID NO.: N/A MISCELLANEOUS DETAILS PLAN VIEW SECTION VIEW PREPARED CSBC BEARING SURFACE INCH SCALE BAR 4 ANCHOR BLOCK DETAILS 6 OF 7 RBNLEE - March 2, 208-4:06 PM - Q:\_GEOTECH\50345 SLIDE\207-03 WALL DESIGN UP\50345-06.DWG
800 CONTINENTAL PLACE (360) 46-400 FAX (360) 46-405 PROVIDE "END WORK" SIGN, SEE NOTE 4, THIS PROVIDE " WORK AHEAD" SIGN, SEE NOTE 4, THIS EDGE OF ASPHALT PROVIDE " WORK AHEAD" SIGN, SEE NOTE 4, THIS TRAFFIC CONTROL NOTES:. CONTRACTOR SHALL DEVELOP TEMPORARY TRAFFIC CONTROL PLAN PER CHAPTER 6 TEMPORARY TRAFFIC CONTROL OF MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES (MUTCD) FOR REVIEW AND APPROVAL BY OWNER. 2. CONTRACTOR SHALL MANAGE TRAFFIC PER MUTCD THROUGH DURATION OF CONSTRUCTION. 3. MINIMUM STANDARD FOR TEMPORARY TRAFFIC CONTROL SHALL BE FLAGGER METHOD OF ONE-LANE, TWO-WAY TRAFFIC CONTROL (SECTION 6C. OF MUTCD). 4. PROVIDE CLASS A CONSTRUCTION SIGNAGE CONSISTING OF THE FOLLOWING AT EACH END OF THE PROJECT SITE: WORK AHEAD (W20-, 3 x 3) END WORK (G20-2 8" x 3) 3. POSITION CLASS A CONSTRUCTION SIGNAGE OUTSIDE TRAVELED WAY, WITHIN RIGHT-OF-WAY AT LOCATION BETWEEN 00' AND 200' FROM THE PROJECT LIMITS. INSTALL SIGNS ON FIXED POSTS PER WSDOT STANDARD PLAN K-80.0. PROVIDE "END WORK" SIGN, SEE NOTE 4, THIS PROJECT NO.: ES3090-3 FED. AID NO.: N CLASS-A SIGN PLAN INCH SCALE BAR 7 OF 7 RBNLEE - March 2, 208-4:04 PM - Q:\_GEOTECH\50345 SLIDE\207-03 WALL DESIGN UP\50345-03-04.DWG