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HomeMy WebLinkAboutPages from Revised Plan Submission-Town of Yarmouth red 5.19.20220 LEWIS POND w a Q z 0 z Q MAP 18, PARCEL A EXISTING TOWN OF YARMOUTH SALTMARSH � z CONSERVATION w �CID r. AL 0 LIMA RSH XISTINGS IMOT1 -_ - T �iS1•lNG {TO BE EXIS7ING WOODS PATH D sALgs'� LEWIS POND � AL � ��00EXISTING g�1_ EXISTING �s� SALT MARSH OF ' - ' SALT MARSH QF _ € - 0*. PROPOSED PRECAST ow' - R CONCRETE WING WALLfY ¢ aJIIcJ PROPOSED 20 LF TEMPORARY SHEETPILE COFFERDAM f EXISTING I DURING CONSTRUCTION EEL n, q Oo�QN� �L1sl MAP 18, PARCEL 4 SALTMARSH- "' i : - - o��4Nl �QN-V TOWN OF YARMOUTH ,, �, F� CONSERVATION MHW L. = 1.5 ' PROPOSED AREA OF AL A - +f + VEGETATION RESTORATION T 05.68 LT MAR05.ss SH TYV 'f LIMIT OF EXISTING �� } J f REMOVE TIMBERS E; APPROX. LOCATION OF BULKHEAD + :_+ APPRQX. LOCATIONOF EXISTING ELECTRIC AND CABLE EXISTING ELECTRIC AND CABLE (TO BE VERIFIED INFIELD} _ PROPOSED 20 LF (TO BE VERIFIED INFIELD) TIMBER GUARDRAIL PROPOSED LIMIT ORS OF WORK PROPOSED SAW CUT APPROX. LOCATIONOF p3 5 APPROX. LOCATION OF gpJ EXISTING WATER MAIN PAVEMENT (TYP) EXISTING WATER MAW t 12° 0 RCP W (TO BE VERIFIED IN FIELD) O W EXISTING 12" RCP (TO BE VERIFIED IN FIELD) i D ED IN -KIND �� �' TO BE REPLACED IN -KIND, 3• -�'� R LOCATION 05.60 .-{APPROXIMATELOCATION D W FIELD] 3 ' �" TO BE VERIFIED IN FIELD} c - MARSH SSA Gin', ROAfl� PROPOSED 20 LF �.. + -. - - MARSH .. _ . EXISTING SALt�o',�iD TIMBER GUARDRAIL ..�- J LlMlro��tSTIrtG e� )gas + + , �+ {sue �p 7� + + �f / PROPOSED AREA OF VEGETATION RESTORATION PROPOSED PRECAST CONCRETE WING WALL � EXISTING -' LA; - MAP 15, PARCEL 23 -A LI TOWN OF YARMOUTH PLAN VIEW: EXISTING 10 5 0 10 1 inch = 10 ft. �.. EXISTING SALTMARSH REVEGETATION NOTE: WOODS PATH PROPOSED 20 LF TEMPORARY SHEETPILE COFFERDAM DURING CONSTRUCTION,.. �, MAP 15, PARCEL 23 EXISTING TOWN OF YARMOUTH " SALTMARSH PLAN VIEW: PROPOSED INSTALL EROSION CONTROL BLANKET AND NATIVE PLANTINGS 30 ON DISTURBED AREAS OF BANK: 10 5 0 1 Q 30 • BAYBERRY: 6' Q.C. IN CLUSTERS • BEACH PLUM: 6' O.C. IN CLUSTERS 1 irlctl= 10 ft. • AMERICAN BEACH GRASS: 18" D.C. Is SWITCH GRASS: 181, O.C. SALTMARSW LAND SUBJECT TO COASTAL STORM FLOWAGE EXISTING SALTMARSH SALT POND 6 E)USTTNG TIMBER EXISTING PAVED ROAD $ BULKHEAD 4 o INV. 1.36 (SEE NOTE 41) 4 _ APPROX. LOCATION OF EXISTING ELECTRIC & CABLE EXISTING SLOPE = 4.8% (SEE NOTE #1) CID 2 MHW EL = 1.5 r �J� MHW EL = 1.5 2 00 INV. -0.83 r Q 0 Z _ EXISTING 12" 0 RCP-- r J --- APPRQX. LOCATION OF � _ _ _ TO BE REPLACED IN KIND EXISTING WATER MAIN -2 MLW EL = -2.3 WITH 12" 0 HDPE PIPE MLW EL. = -2;3 -2 � .......................................................................................................................................................................{SEErVnTE#k9}........................ .... a� W 0+00 0+10 0+20 0+30 0+40 0+50 0+60 0+70 0+80 0+90 1+00 Station along Transect (ft.) SECTION A -A: EXISTING -5 5 t"=5' SALT MARSW SALT POND LAND SUBJECT TO COASTAL STORM FLOWAGE EXISTING SALTMARSH PROPOSED TIMBER GUARDRAIL (TYP) 8.7'± 4.0± 5± EXISTING SIDEWALK 4.0'±� PROPOSED 4 HIGH CHAIN LINK 1A± PROPOSED BACKFILL FENCE @ HEADWALL (TYP) EXISTING TIMBER BULKHEAD za PROPOSED CONCRETE WING WALL PROPOSED BACKFILL TO BE REMOVED 6 (TOP EL 4.32') g PROPOSED CONCRETE WING WALL 1 EXISTIN PAVED ROAD 4 (TOP EL 3.50') 1 INV. 0.$Q PROFILE OF BANK 4 I I ADJACENT TO DITCH PROFILE OF BANK APPRQX. LOCATION OF EXISTING ELECTRIC & CABLE PROPOSED S� ZO% I I 1 CID MHW EL. = 1.5 ADJACENT TO DITCH = MHiN EL. 1.5 2 0 2 APPRQX LOCATION OF r r` r J 0 - ~ - - - -~ INV. 0.0 PROPOSED 41 LF, 12" O EXISTING WATER MAIN o PROFILE i OF DITCH -2 MLWEL =-2.3 PROFILEAT¢ OFDITCN PVC SDR-21 PIPE MLW EL : ;2.3 -2 ........................................................................................................ .................................................................................................. ...... . . m 0+00 0+10 0+20 0+30 0+40 0+50 0+60 0+70 0+80 0+90 1+00 Station along Transect (ft.) STA 0+33.3 STA 0+72.8 SECTION A -A: PROPOSED Li �.55 1 "=5, LEGEND EXISTING -- - U - MAJOR CONTOUR - - 8- - - MINOR CONTOUR TIC UNDERGROUND TELEPHONEICABLE e UNDERGROUND ELECTRICAL w WATER SERVICE <?r MARSH CONIFEROUS TREE ® CATCH BASIN 04.40 SPOT ELEVATION SLA Gl1LL R ` LOCUS NANTUCKET SOUND YARMOUTH, MA KEY MAP a PROPOSED CONTOUR I NO SCALE NOTES 1, THE INVERT ELEVATIONS OF THE EXISTING RCP PIPE CULVERT ENDS SHOWN ON THIS PLAN ARE APPROXIMATE ONLY BECAUSE THE PIPES HAVE DISINTEGRATED REFERENCE: ALMOST COMPLETELY INTO THE EMBANKMENT AND ARE NOT READILY VISIBLE FOR MEASUREMENT. THE PIPE INVERT ELEVATIONS SHOWN ARE BASED UPON THE NEAREST AVAILABLE BOTTOM OF ADJACENT DITCH CHANNEL ONLY. ASSESSORS MAP 15, PARCEL 23 2. BOTH OF THE EXISTING EAST AND WEST PIPE CULVERTS ARE UNDERLAIN BY A 6". DIAMETER WATER MAIN ALONG THE SOUTH SIDE OF THE PAVED ROADWAY. THE PROPOSED INVERT ELEVATIONS SHOWN FOR THE PROPOSED SDR 21 PVC FLOOD ZONE, REPLACEMENT CULVERT PIPES MAY BE SUBJECT TO SLIGHT ADJUSTMENT DURING CONSTRUCTION ONCE THE ACTUAL TOP OF WATER MAIN PIPE ELEVATION FLOOD ZONE AE (EL. 12), ZONE AE (EL. 11), ZONE VE CAN BE OBTAINED. (EL. 13) AND ZONE X SHOWN ON THIS DRAWING ARE A 3. BASED UPON EXISTING PAVEMENT MARKINGS, THERE ARE UNDERGROUND DIRECT REPRESENTATION OF THE GRAPHIC FLOOD UTILITIES THAT RUN ALONG THE ROADWAY AND THAT PASS OVER THE EXISTING ZONE BOUNDARIES SHOWN ON FEMA FIRM PANEL PIPE CULVERTS AT BOTH LOCATIONS. THE LOCATION OF SUCH EXISTING BURIED #25001C0588J EFFECTIVE JULY 16, 2014, PLEASE NOTE UTILITIES SHOWN ON THE PLAN ARE APPROXIMATE ONLY AND MUST BE VERIFIED THAT SITE SPECIFIC FLOODPLAIN BOUNDARIES MAY PRIOR TO ANY EXCAVATION AT THE SITE. THERE MAY BE OTHER UNDERGROUND VARY DUE TO DIFFERENT INTERPRETATIONS OF UTILITIES BURIED WITHIN THE ROADWAY THAT ARE NOT SHOWN ON THE PLANS. THESE BOUNDARIES. USERS ARE ADVISED TO THE CONTRACTOR SHALL CONTACT DIG SAFE PRIOR TO PERFORMING ANY VERIFY LOCATION OF THESE BOUNDARIES WITH THE EXCAVATION WORK AT THE SITE TO VERIFY THE LOCATION OF ALL EXISTING DESIGNATED COMMUNITY FLOODPLAIN MANAGERS UNDERGROUND UTILITIES. ALL SUCH UTILITIES SHALL NOT BE DISTURBED DURING ANDIOR FEMA PRIOR TO SITING ANY PROPOSED THE CONSTRUCTION PHASE OF THIS PROJECT. STRUCTURES. 4. NO EXISTING SALT MARSH SHALL BE DISTURBED AT ANY TIME PRIOR TO, DURING, OR AFTER THE COMPLETION OF THE NEW PIPE CULVERT INSTALLATION AT BOTH SITES. THE PROPOSED TEMPORARY SHEET PILE COFFERDAM AND ALL OTHER DATUM: EROSION PROTECTION INSTALLATIONS SHALL BE INSTALLED PRIOR TO THE START OF ANY CONSTRUCTION WORK AT THE SITE. THE PROPOSED TEMPORARY ELEVATIONS SHOWN HEREON ARE SHEET PILE COFFERDAM INSTALLATION WILL ALSO SERVE TO ASSIST IN THE BASED ON THE NORTH AMERICAN CONTROL OF TIDAL WATER FLOODING THE WORK TRENCH SO THAT THE PIPE VERTICAL DATUM OF 1988 (NAVD 1988) CULVERT INSTALLATION WORK CAN BE MADE IN A DRY TRENCH TO THE MAXIMUM EXTENT POSSIBLE. 5. IT IS ANTICIPATED THAT NO MORE THAN TWO DAYS WILL BE REQUIRED AT EACH CULVERT LOCATION TO COMPLETE THE INSTALLATION OF THE NEW CONCRETE WINGWALLS AND PIPE CULVERTS AND OPEN THE PIPES TO TIDAL FLOWS. P9 HIGHTIDELINE(HTL} 6. ALL WORK SHALL BE PERFORMED IN STRICT COMPLIANCE WITH THE DESIGN PLANS, SPECIFICATIONS, AND THE ORDER OF CONDITIONS ISSUED FOR THE 13' MEAN HIGH WATER(M.H.W.) PROJECT. 7. ALL CONSTRUCTION EQUIPMENT AND MATERIALS SHALL BE MAINTAINED WITHIN 0.0 NAVD 88 THE LIMITS OF THE PAVED ROADWAY AT ALL TIMES DURING THE ENTIRE CONSTRUCTION PERIOD. 8. ALL EXISTING UNVEGETATED AREAS AND ALL AREAS DISTURBED BY THE _2,3 MEANLOW WATER(ML.W.) PROPOSED CONSTRUCTION WORK LOCATED WITHIN THE LIMITS OF WORK SHOWN ON THE PLANS SHALL BE REVEGETATED WITH INDIGENOUS, SALT TOLERANT PLANTINGS TO ENSURE THE ONGOING STABILITY OF THE ROADWAY DATUM PROFILE EMBANKMENT IN THESE AREAS. 9. ALL FOUR PROPOSED CONCRETE WINGWALLS SHALL BE INSTALLED LANDWARD SCALE: 1" = 4' OF THE MEAN HIGH WATER LINE. REF: NOAA VDATUM 12-04-2020 10. THE CONTRACTOR SHALL ARRANGE HIS WORK SEQUENCING TO ALLOW FOR REF: BUZZARDS BAY NATIONAL ESTUARY PROGRAM EMERGENCY VEHICLE ACCESS ACROSS THE PROPOSED PIPE TRENCH WORK AT ALL TIMES DURING THE PIPE CULVERT INSTALLATION PROJECT. EAST CULVERT LOCATION MAP NO SCALE THIS DRAWING IS PREPARED FOR PERMITTING PURPOSES ONLY AND SHALL NOT BE USED FOR CONSTRUCTION. CONTRACTOR SHALL OBTAIN FINAL CONSTRUCTION DETAILS FROM THE ENGINEER PRIOR TO PREPARATION OF CONSTRUCTION BID AND BEFORE BEGINNING ANY WORK. j2na -f, COASTAL engineering co. 260 Cranberry Hwy. Orleans, MA 02653 508.255.5511 P 505.255.6700 F '01d z 0 - 1 60 SEAL W H �- O Q � a W O O� Q } Zw LL � O z �� O > � g� aV 0 Lu � J � w 12� w = a_ (1) C/) SCALE AS NOTED DRAWING FILE C19505-C.dwg DATE DRAWN BY NDJ CHECKED BY RPM OD a ry a 0 C3.1.2 c c w - 2 OF 3 SHEETS m PROJECT NO- 0 C19505.00