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HomeMy WebLinkAbout83-1744 - Bulkhead Repair Plan002J NANTUCKET SOUND — 770AL FLOOD EBB PLAN SCALE: 1'= 30' 1 inch = 90 1L TYPICAL PATCH 1/4" PLATE SANDBLAST & COAT AREA UNDER STAIRS ❑ ❑ ❑ SECTION A -A NOT TO SCALE ,ESS :XISTING CONCRETE 7ETAINING WALL LIMIT OF WORK ASSESSORS MAP 26 PARCEL 116 TOWN OF YARMOUTH PARK NG CONCRETE AREA 3 WOOD DECK TEEL BULKHEAD XISTING BULKHEAD D BE REHABILITATED EXIS77NG WOOD CAP — NEW 2' WEEP HOLES 4' O.C. WITH FILTER FABRIC TO BE SET BELOW EXISTING GRADE. CONSTRUCTION REPAIR PHOTOGRAPH SUMMARY A. BULKHEAD FROM SOUTH-EAST VIEW. B. CLOSE UP OF SWM -EAST VIEW. C SVSTING 12' X 12TILATE WASHER USED TO CONSTRUCT EXISTING ITE -BACK SYSTEM. D. HOLES IN SHEETS, WHERE BOLTS HAVE CORRODED AWAY, TO BE PATCHED. E TYPICAL TIE -BACK PLATE WASHER TO BE REPLACED WITH NEW 12' X 12" PLATE: F SURFACE OF SHEETING UNDER STAIRS IN NEED OF SANDBLASTING AND COATING. G TYPICAL CONCRETE DECK SECTION, NO WORK PROPOSED. H. OVERALL VIEW OF PROJECT SHOWING PRF EXISTING SAND LEVELS ALONG BULKHEAD. L NETS OF DECK ABOVE WORK AREA, NO WORK PROPOSED. J. TYPICAL TIE -BACK TO BE CUT OFF AT FACE OF WALL CONT C12 X 25 SHEETING WITH WOOD CAP. TOP OF WALL ELEV.- 12.0'tMLW 12"x12" PLATE-------.,. EXISTING GRADE EL. -8.0'1 EXISTING POOL GRADE /-- DRIVE UNDER EXISTING POOL VEXI ETIGNSTI BACK ANCHOR TO BE REPLACED WITH NEW MANTA RAY OR HELICAL SCREW TIEBACK AT 20' MINIMUM FROM FACE WALL 8' OC. EXISTING CANTILEVERED STEEL SHEETING, PZ 22 X 30'. SCALE: NONE NOASTAL NGINEERING OMPANY, INC. 260 Cranberry Hwy. Orleans, MA 02653 508.255.6511 Fax: 508.255.6700 XuS7 NANTUCKET SOUND YARMOUTH. MASSACHUSETTS I KEY MAP TYPICAL TIE BACK REPLACEMENT PLATE 8' O.C. SEE LAYOUT PLAN FOR EXACT LOCATIONS. EXISTING GRADE . ' NO SCALE N b" N LOWEST GRADE REVEALED TYPICAL PATCH 1/4" PLATE SANDBLAST & COAT AREA UNDER STAIRS ❑ ❑ ❑ SECTION A -A NOT TO SCALE ,ESS :XISTING CONCRETE 7ETAINING WALL LIMIT OF WORK ASSESSORS MAP 26 PARCEL 116 TOWN OF YARMOUTH PARK NG CONCRETE AREA 3 WOOD DECK TEEL BULKHEAD XISTING BULKHEAD D BE REHABILITATED EXIS77NG WOOD CAP — NEW 2' WEEP HOLES 4' O.C. WITH FILTER FABRIC TO BE SET BELOW EXISTING GRADE. CONSTRUCTION REPAIR PHOTOGRAPH SUMMARY A. BULKHEAD FROM SOUTH-EAST VIEW. B. CLOSE UP OF SWM -EAST VIEW. C SVSTING 12' X 12TILATE WASHER USED TO CONSTRUCT EXISTING ITE -BACK SYSTEM. D. HOLES IN SHEETS, WHERE BOLTS HAVE CORRODED AWAY, TO BE PATCHED. E TYPICAL TIE -BACK PLATE WASHER TO BE REPLACED WITH NEW 12' X 12" PLATE: F SURFACE OF SHEETING UNDER STAIRS IN NEED OF SANDBLASTING AND COATING. G TYPICAL CONCRETE DECK SECTION, NO WORK PROPOSED. H. OVERALL VIEW OF PROJECT SHOWING PRF EXISTING SAND LEVELS ALONG BULKHEAD. L NETS OF DECK ABOVE WORK AREA, NO WORK PROPOSED. J. TYPICAL TIE -BACK TO BE CUT OFF AT FACE OF WALL CONT C12 X 25 SHEETING WITH WOOD CAP. TOP OF WALL ELEV.- 12.0'tMLW 12"x12" PLATE-------.,. EXISTING GRADE EL. -8.0'1 EXISTING POOL GRADE /-- DRIVE UNDER EXISTING POOL VEXI ETIGNSTI BACK ANCHOR TO BE REPLACED WITH NEW MANTA RAY OR HELICAL SCREW TIEBACK AT 20' MINIMUM FROM FACE WALL 8' OC. EXISTING CANTILEVERED STEEL SHEETING, PZ 22 X 30'. SCALE: NONE NOASTAL NGINEERING OMPANY, INC. 260 Cranberry Hwy. Orleans, MA 02653 508.255.6511 Fax: 508.255.6700 XuS7 NANTUCKET SOUND YARMOUTH. MASSACHUSETTS I KEY MAP . ' NO SCALE I PLAN REFERENCES: z PLAN REFERENCE LCP 14114 A2, D, J, 0 ASSESSORS REF. SHEET 22 S57 -S60,7122, �- 7125-1&2, T128-7131, T181 FLOOD NOTE: ZONE V3 EL15' i FROM PANEL 250015 0006D DATUM NOTE: f ;.. ELEVATIONS SHOWN HEREON ARE BASED ON THE NATIONAL GEODETIC VERTICAL ` DATUM (MLW) ra i LEGEND w o z EXISTING SEAL FENCE tH OF US E r --2-- CONTOUR u�owsw tb.atase ,�9p� E 1S7Et•�p�� SPECIAL REQUIREMENTS FOR COASTAL CONSTRUCTION 1. SPECIAL PROVISIONS FOR COASTAL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE RECOMMENDATIONS FOUND IN THE "COASTAL CONSTRUCTION MANUAL" AS PUBLISHED BY THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA -55). 5 2. ALL STEEL MEMBERS, CONNECTIONS, CONNECTORS, ETC. SHALL BE HOT DIPPED GALVANIZED. ALL METAL CONNECTORS MUST BE ROUTINELY INSPECTED AND MAINTAINED OVER THE SERVICEABLE LIFE OF THE STRUCTURE. 3. ALL EXTERIOR EXPOSED LUMBER USED FOR STRUCTURAL FRAMING, STAIRS, RAILING, ETC. SHALL BE CCA PRESSURE TREATED OR APPROVED EQUAL. a 4. ANCHORS AND CONNECTIONS TO BE INSTALLED AS U ^ APPROVED BY ENGINEER. I-1 w a GENERAL NOTES: U 1. THE PURPOSE OF THIS PROJECT IS TO REHABILITATE THE EXISTING C STEEL BULKHEAD. 2. SUPPLY MATERIAL, EQUIPMENT AND LABOR TO INSTALL THE PROPOSED WORK ALONG THE SHOREFRONT AS DESCRIBED AND SHOWN ON THE PLAN AND DETAILS. 3. PERFORMANCE OF THE WORK SHALL BE IN COMPLIANCE WITH THE q PLANS, SPECIFICATIONS, AND ORDER OF CONDITIONS ISSUED BY THE YARMOUTH CONSERVATION COMMISSION FOR THE REFERENCED PROJECT AND AS DESCRIBED BELOW. H 4. ACCESS TO BE BOTH FROM THE UPLAND OF THE APPLICANT'S ] w PROPERTY, AND FROM THE BEACH PARKING AREA. STAGING AREA FOR MATERIALS TO BE IN DRIVEWAY OR IN PARKING AREA, AS APPROVED w BY THE TOWN. CONTRACTOR SHALL OBTAIN PERMITS NECESSARY FOR SCALE USE OF TOWN PARKING AREA AND ACCESS. AS NOTED DRAWING FILE 5. METAL TO BE HOT DIPPED GALVANIZED AFTER FABRICATION. CC1377601.dwg DATE 6. THE EXISTING ANCHOR SYSTEM SHALL BE REPLACED. NEW 01-19-06 ANCHORS SHALL BE DRIVEN. MINIMUM ANCHOR PENETRATION SHALL BE DRAWNBY 20' BEHIND ORIGINAL BULKHEAD. ANCHORS SHALL BE TENSIONED TO ISO 10 KIPS MINIMUM FOR EXISTING WALL, THEN BACKED OFF AS CHECKED BY NECESSARY TO STRAIGHTEN WALL. ENGINEER SHALL BE NOTIFIED IMMEDIATELY IF MINIMUM DESIGN SPECIFICATIONS CAN NOT BE MET. c N 7. CONSTRUCTION DETAILS TO BE APPROVED BY ENGINEER PRIOR TO Q CONSTRUCTION. 8. DISTURBED AREAS TO BE RECONTOURED AND REVEGETATED TO MATCH PRE -CONSTRUCTION CONDITIONS. M�i 9. CONTRACTOR TO VERIFY ALL DIMENSIONS IN THE FIELD AND NOTIFY ENGINEER OF ANY DESCREPANCIES PRIOR TO CONSTRUCTION. w 1 OF _L SHEETS cPROJECT NO. =C133=7601 U