Loading...
HomeMy WebLinkAbout83-1760 - Drainage Improvements002A • �G F� F� O&r' of MAP 16 LOT 4 EDGE OF SALT MARSH GROUND SURFACE: DUNE AND MARSH SURFACES ARE TO BE STRIPPED OFF, STOCKPILED AND o J REPLACED AT EXISTING GRADE UPON COMPLETION OF BACKFILL SEE DETAIL FOR SHORE ROAD = PAVEMENT REPLACEMENT u Alt, RE -PAVE ROAD, FINISH EL. 2.5 UNDISTURBED_ OVER CULVERT 2.0 EXISTING ROKEN o EARTH 15"CP IN -0.67 MAP 16 LOT 36 \ EXISTING BOLLARD N/F TOWN OF WRAP STONE WITH WOVEN TO REMAIN YARMOUTH GEOTEXTILE FABRIC i FINAL BACKFILL L- __.. UNDER PAVEMENT INITIAL BACKFILL, 12" MIN ABOVE TOP OF PIPE. 0 18" CORRUGATED HDPE INSTALL AND COMPACT IN PIPE X TO 85% STND PROCTOR ADS N12 IB ST OR HAUNCHING, INSTALL AND PROPOSED 18" HDP PIPE WITH FLARED END — SECTION EQUAL `— COMPACT IN 6" MAX a INV. EL -1.0 ) LAYERS TO SPRINGLINE SEE DETAIL .0 � I a �p MIN 4" OF 1 "- 1 1/2" CRUSHED S) Z_ o' 0 STONE BEDDING MATERIAL MEAN HIGH 61,%JER & O 9 O HIGH T DE LINE c`rA�F4igF0 N �2 F 0 ELEVATION 2.3 V % BASE OF SEAWALL O I r REMOVE COLLAPSE CATCH BASIN AN Ca� EXISTING RIPRAP I TALL 11.25' H E BEND TOP OF WALL MAP 16 LOT 3 S �— ELEV. 4f SALT MARSH N/F TOWN OF SECTION OF YARMOUTH SILT FENCE BENCHMARK: HYDRANT 1: WALL MISSING �- TAG BOLT #624. r / — ELEV. 4.85 NGVD29 COASTAL DUNE 2.0 MAP 16 LO 38 2cGo 7 TOPPLED WALL N/F MARY ROB NS—Iv1ARA I._ -CA, / NATIVE SOIL OUNDAT! N 39" MIN. TYPICAL TRENCH CROSS-SECTION (NOT TO SCALE) TOP OF BANK SHORE ROAD (SEE REPAVEMENT DETAIL) 18" MN. COVER 18" HDPE PIPE INV EL -1 0 NOTES: 1. TRENCH: WHERE THE TRENCH IS UNSTABLE, THE CONTRACTOR SHALL EXCAVATE TO A DEPTH REQUIRED BY THE ENGINEER AND REPLACE WITH A FOUNDATION OF CLASS I OR II MATERIAL AS DEFINED IN ASTM D2321, "STANDARD PRACTICE FOR INSTALLATION OF THERMOPLASTIC PIPE FOR SEWERS AND OTHER GRAVITY—FLOW APPLICATIONS," LATEST EDITION; AS AN ALTERNATIVE AND AT THE DISCRETION OF THE ENGINEER, THE TRENCH BOTTOM MAY BE STABILIZED USING AN APPROVED WOVEN GEOTEXTILE FABRIC. 2. BEDDING: SUITABLE MATERIAL SHALL BE CLASS I OR II AND INSTALLED AS REQUIRED IN ASTM D2321, LATEST EDITION. UNLESS OTHERWISE SPECIFIED BY THE ENGINEER, MINIMUM BEDDING THICKNESS SHALL BE 4". 3. HAUNCHiNG AND INITIAL BACKFILL: SUITABLE MATERIAL SHALL BE CLASS 1, II OR III AND INSTALLED AS REQUIRED IN ASTM D2321, LATEST EDITION. 4. TRENCH WIDTH; UNLESS OTHERWISE SPECIFIED BY THE ENGINEER, MINIMUM TRENCH WIDTHS SHALL BE 39". 5. MINIMUM COVER: MINIMUM DEPTHS OF COVER FOR VARIOUS LIVE LOADING CONDITIONS ARE SUMMARIZED IN THE FOLLOWING TABLE. UNLESS OTHERWISE NOTED, ALL DIMENSIONS ARE TAKEN FROM THE TOP OF PIPE TO THE GROUND SURFACE. SURFACE LIVE MINIMUM RECOMMENDED LOADING CONDITION COVER. in H25• (RIGID PAVEMENT) 18 -TOP OF PIPE TO BOTTOM OF BITUMINOUS PAVEMENT SECTION NOTE: PIPE TRENCHES UNDER PAVEMENT SHALL BE BACKFILLED WITH DENSE GRADED STONE FROM TOP OF PIPE TO PAVEMENT. 1" BITUMINOUS CONCRETE TOP, TYPE I-1 r°�I. 3" BITUMINOUSCONCRETE BINDERDER,,TYPE I-1 MINUMUM 18" DENSE GRADED, CRUSHED STONE TO TOP OF PIPE INSTALLED UNDER PAVE- MENT. WOVEN FILTER FABRIC TO WRAP STONE SHORE ROAD REPAVEMENT DETAIL (NOT TO SCALE) 36" MIN. FENCE POST (STEEL T TYPE OR 1" HARDWOOD). DRIVEN MIN. 16" INTO GROUND, 10 MAX. O.C. MIRAFI FILTER FABRIC OR ' / Q APPROVED EQUAL FASTEN W/ TIES MIN. 6" BEDDING 3/4" STONE AT TOP AND MIDSECTION, EVERY 24" ' 2 0 0 STONE BANK ARMORING, 75 LB MIN. ' \ MAP 16 LOT 2 x`00 0 ZOO✓ FOcF o� 20" �O EXISTING BROKE 15 RCP TO BE O .0 N/F O FSA A MIN. REPLACED WITH 18" HDPE PIPE SEE .oma MICHAEL FITZHUGH , F �F Fy FRONT VIEW TYPICAL TRENCH ROSS SECTION \ 40 L7s., 72 F2 ' > 'o SPOIL FROM TRENCH FOR PIPE BR k<EN ALL 7�J PE THREADED ROD FENCE TRENCH BE W/WING NUTS AND SPACERS RESTOR D T O GI O BEACN,SILT FENCE IS LI OF TRENCH WIDTH. CONTRACTOR UNDISTURBED RESTORED TO ORIGINAL APPROX. LOC. BURIED BRO. EN 1.5" I GROUND GRADE RCP, INV. APPRO (. -2.5 / j' SHALL UTILIZE SHORI 1F NEEDED. TEMP.IMPACT TO— `� % J SALT MARSH LIMITED 0 800 S.F. TEMP. IMPACT TO COASTAL DUNE LIMIT D TO 680 S.F. MAP 16 LOT 1 1 I 15" RIP -RAP DITCH WIDTH C,, . y% - �. N/F AND BANKS, 75LB MIN. �- o FAUAD ZAKHER 32" 8" MIN. THICKNESS I 16" • 10 SF TEMP RAR Y EACH I P CT MIN. EXISTING STONE '0.0\— EMBED FABRIC AND FENCE, GROIN TO BE LICENSED �7 0 APPROX LOC FENCE 1 \14 r " RIGHT SIDE VIEW 8' MIN. 7.5 \ / PROPOSED 200# STONE COVER 210 S.F. IMPACT TO BEACH 3 `✓ _ LEWIS BAY 1 3' I SILTFENCE DETAIL����. 1, �� �. 1'0 BROKEN FROM EDGREUSE ESTING OF GROIN ASDPIPIP RAPE COVER pm TOP VIEW (NOT TO SCALE) a°va � No. 3W74 � <, CAS' IR,O c WHERE FEASIBLE CULVERT INLET DETAIL' PROPOSED OUTLET 18" SAL HDPE CULVERT (NOT TO SCALE) INV. EL -2.0 LEGEND SEE DETAIL PROJECT: NOTES: RESUSE EXISTING 1. RESULTS OF TOPOGRAPHIC SURVEYS DATED 08/18/04, 10/09/06 AND SALTMARSH RESTORATION DISPLACED RIP RAP FROM 04/21/06 BY THE TOWN OF YARMOUTH ENGINEERING DEPARTMENT WERE PROPOSED 18" HDPE INV. —2.0 PERIMETER COMBINED WITH AERIAL PHOTOGRAMMETRY PRODUCED FOR THE TOWN OF DRAINAGE IMPROVEMENTS PROPERTY LINE BEDDED IN ANGULAR STONE GRADED PROPOSED STONE COVER, YARMOUTH TO CREATE THIS PLAN. 2. ELEVATIONS ARE IN FEET AND TENTHS, AND REFER TO NGVD 29 DATUM. CLIENT: TOWN OF YARMOUTH �00 LB MINIMUM FROM 1-112' TO 6" 3. BENCHMARK IS YARMOUTH MONUMENT #28 AT ENGLEWOOD BEACH WHICH ENGINEERING DEPARTMENT EXISTING CONTOUR SITE PLAN VIEW UPPORTED BY TRENCH WAS USED TO ASSIGN ELEVATION 4.85 TO THE HYDRANT TAG BOLT #624 AS EXISTING STONE _ IDEWALL STONES _ _ _ — 23 MHW SHOWN ON THE PLAN 1 146 ROUTE 28 T $I - 2O' _ _ _ _ 4. COORDINATE'S ARE BASED ON THE LAMBERT GRID SYSTEM FOR THE GROIN TO BE _ - 0.0 COMMONWEALTH OF MASS, AND WERE TAKEN FROM CONTROL FURNISHED BY SOUTH YARMOUTH, MA 02664 LICENSED LW THE OWNER AND WAS NOT INDEPENDENTLY VERIFIED. EDGE OF SALT MARSH _ _ .. — - — — --2.0 M 5. POSSESSION AND USE OF THE MATERIAL CONTAINED ON THESE DRA WNGS i �� -I j - ONLY IN N WITH ITS USE AS 1T RELATES TO THE __•_ _ i _ _ 1S GRANTED ON CONNECTIO ; i RED PROJECT, ANY OTHER USE, REPRODUCTION OR DISCLOSURE OF THE 1 INFORMATION CONTAINED HEREON IS EXPRESSLY PROHIBITED WITHOUT THE _ MEAN HIGH WATER/HIGH TIDE LINE _ r i - WRITTEN CONSENT OF CLE ENGINEERING INC. V CLE ENGINEERING, INC. © COPYRIGHT 2003, CLE ENGINEERING, INC. eek Road, Marion, MA 02738 (508) 748-0937 FLOOD ZONES SHORE ROAD GRAPHIC SCALE WEST YARMOUTH, MASSACHUSETTS SILT FENCE CULVERT OUTLET DETAIL 20 0 10 20 w 00 SHEET 1 OF 1 — 8�: �.__ SCALE: 1" = 20' CHECKED DATE 07-10-06 DRAWING No. 05105.2 1 „ ` DRAWN BY: JWO BY: COMP.CODE 05105.200 (Y IN FEET) REVISION No._ DATE COMMENT 1 TTM�h = 20 s+.