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HomeMy WebLinkAbout83-2027 - Revetment Plan13' 30 25 z 20 0 ca z 15- 10 5 10 5 0 I Co.) r� n p ti u MAP 51 PARCEL 81 (SHIP SHOPS, INC.) MAP 51 PARCEL 73 Gym � "ego'` - - BENCHMARK: Q`' S.W. CORNER OF SHOWER DECK EL = 10.88 c m PLAN / At 1 inch = 20 ft. 100 YR FLOOD ZONE ♦ EL=13 100 YR FLOOD ZONE ''AE EL=12"VE EL.=13 o z PROPOSED REVETMENT w FLOOD v EL=12 SOIL FILL �— CAP EL=10 PROPOSED REVETMENT EXISTING GROUND BEACH w/ PROFILE VEGETATION TOE EL=1t MP N ♦ EL=13 N a � o £; w 0 10 20 30 40 50 60 70 PROFILE A -A 1"=10' l � v c") o1 / � m CONSTRUCTION NOTES 1. ELEVATIONS REFER TO NAVD 88. CONTACT CAPE COD ENGINEERING, INC PRIOR TO JOB START UP TO TRANSFER THE ELEVATION BENCH MARK TO THE IMMEDIATE WORK AREA IF NEEDED OR FOR LAYOUT ASSISTANCE. 2. LOCUS: 15 SHIP SHOPS WAY, SOUTH YARMOUTH; YARMOUTH ASSESSORS PARCEL ID: MAP 51; PARCEL80 3. PLAN REFERENCE: TOPOGRAPHIC SURVEY PREPARED BY CAPE COD ENGINEERING, INC. 4. CONSTRUCTION ACCESS SHALL BE VIA THE ACCESS ROUTE SHOWN ON THE PLAN. 5. A WORK LIMIT, AS SHOWN ON THE PLAN, SHALL BE STAKED, AT 10 FT. INTERVALS, FLAGGED FOR COMMISSION STAFF REVIEW PRIOR TO CONSTRUCTION. WORK LIMIT SHALL BE MAINTAINED DURING THE COURSE OF THE WORK EFFORT. IF NEEDED A FABRIC SILT*k CAN BE MAINTAINED ALONG THE WORK LIMIT LINE. ' 6. THE WORK ACTIVITY SHALL OCCUPY A MINIMUM AREA TO ACCOMPLISH THE INSTALLATION OF THE STONE BUTTRESS. MINIMAL SIZED EQUIPMENT SHALL BE USED TO ACCOMPLISH THE PROPOSED WORK WITH CONSIDERATION GIVEN TO THE RESPECTIVE STONE SIZES. 7. ONLY THE AREA FOR EQUIPMENT ACCESS AND THE MINIMAL AREA NECESSARY AT THE TOE OF THE BANK MAY BE ALTERED. THIS AREA SHALL BE DIRECTLY ALONG THE TOE OF THE SLOPE. 8. THE AREA WITHIN THE WORK LIMIT SHALL BE MATTED WITH PORTABLE FIBERGLASS MATS TO PROTECT THE EXISTING GROUND. 9. ALL ARMOR STONE AND BEDDING STONE SHALL BE OF CLEAN COMPOSITION, FREE OF ANY DEBRIS, ORGANICS OR FINES SUCH AS SILT OR CLAY. 10,MINIMIZE EARTH FILL. USE EXCESS EXCAVATED SAND FOR BANK CONTOUR. RETAIN ALL BANK EARTH WITHIN THE NEW SLOPE. u. FILTER FABRIC SHALL BE MIRAFI 600X, SINGLE LAYER OR APPROVED EQUAL. THE FABRIC SHALL BE PLACED WITH SEAMS VERTICALLY ALIGNED, WITH A MINIMUM OF 3 FT. OVERLAP, EACH RUN OF FABRIC SHALL BE FIRMLY PINNED TO THE SLOPE TO WITHSTAND MOVEMENT DURING THE STONE SETTING. 12.BEDDING STONE SHALL BE NATIVE STONE OF 4 INCH TO 8 INCH IN DIAMETER 13.ARMOR STONES SHALL BE OF NATIVE GRANITE FIELD STONES AND SMALL BOULDERS AS SPECIFIED FOR WEIGHT ON THE TYPICAL PROFILE DETAIL. SELECT PRIMARILY UNIFORM, ANGULAR STONE SHAPES OF LOCAL (GLACIAL) ORIGIN AND FIT INTO PLACE FOR MAXIMUM STABILITY. ALL ARMOR STONES SHALL FIRMLY CONTACT THE BED STONES AND ARMOR STONES DIRECTLY ADJACENT. FACE ROUGHNESS SHALL BE ON A SCALE OF 0.5 FT. 14.DISTURBED EARTH AREAS ABOVE THE COMPLETED STONE ARRAY ON THE BANK SHALL BE MINIMIZED AND SHALL BE COVERED WITH BIO -MAT COIR BLANKET AND INTENSIVELY (9 TO 12 {{ O.C.) PLANTED WITH AMERICAN BEACH GRASS, OTHER SALT HARDY COASTAL VARIETIES ARE ENCOURAGED AS AVAILABLE. 15-REMAIMNG EXCESS FIELD STONES- AND BEDDING STONE SHALL BE REMOVED FROM THE SITE UPON COMPLETION. 16.THE UPLAND ACCESS ROUTE AND WORK SITE SHALL BE PROTECTED DURING THE WORK RESTORED TO THE PRE -CONSTRUCTION CONTOUR AND CONDITION THE AND SHALL BE OVER - SEEDED WITH NATIVE GRASS AS EXISTS TODAY. PROPOSED RETURN . SLOPE 1:1"PARALLEL WITH -SHORE RETURN SECTION AMERICAN BEACH GRASS ,� ON SLOPE 0 12" O.C. 15 \ 100 YR. FLOOD ZONE 'AE' v EL=13 NAVD88 /ARMOR STONE — 400 LBS TO 2,300 LBS w/ 50% WEIGHING > 1,000 LBS 10 1-4 OF STONE FIFv = In 5 �a 0 0 ° TOE OF STONE ELEV. = 1 p 1 LAYER FILTER CLOTH � opo a (MIRAFl 600x OR EQUAL) BEDDING STONE 0.5 — 1.0' NATIVE COBBLESTOONE TAILINGS 0 10 20 30 /Q SOUTH YARMOUTH, N KEY MAP NO SCALE BEACH BURIED TOE STONES TOE ® 1 GRADUAL RETURN OE ®, Z TOE PROPOSED STONE FACE EL = 0 AT 1:1.5 SLOPE �za I - END RETURN DETAILS SCALE: 1°=10' = 10 RETURN PLAN WEW TOPOGRAPHIC PLAN SHOWING PROPOSED CONSTRUCTION OF A REVETMENT AT 15 SHIP SHOPS WAY, SOUTH YARMOUTH, MA ASSESSORS MAP 51, PARCEL 80 PREPARED FOR ROBERT L. GREENE 48 PEAKHAM ROAD, SUDBURY, MA 01776 SEPTEMBER 9, 2015 SCALE - AS NOTED a t PREPARED BY / QY CAPE COD ENGINEERING, INC. CNU a ROBERT M. PERRY, P.E. P.O. BOX 1517 EAST DENNIS, MA 02641 TEL: 508-385-1445