HomeMy WebLinkAbout83-1772 - Proposed Boardwalk PlanPLAN NOTES:
1) WETLAND LOCATED AND FLAGGED BY BRAD HALL, TOWN
CONSERVATION ADMINISTRATOR, ON NOVEMBER 6, 2006.
2) FLOODPLAIN DATA OBTAINED FROM MASS GIS. ALL
FLOODPLAIN INFORMATION SHOULD BE CONSIDERED
APPROXIMATE.
3) ALL ELEVATIONS SHOWN HEREON BASED UPON MEAN LOW
WATER DATUM UNLESS OTHERWISE NOTED.
4) MEAN LOW WATER LOCATION APPROXIMATED BASED UPON
ELEVATION CONTOURS FROM YARMOUTH GIS.
5) SITE IS MAPPED AS A PRIORITY HABITAT OF RARE SPECIES
BY MASS GIS.
GENERAL NOTES:
1) MINIMUM SPACE BETWEEN ALL DECK PLANKING TO BE 3/4'.
2) ONLY NON—LEACHING TYPES OF PRESERVATIVES ALLOWED
FOR TREATED LUMBER.
3) HEAVY EQUIPMENT NOT TO BE PLACED ON SALT MARSH
UNLESS PLACED UPON SWAMP OR TIMBER MATS.
CONSTRUCTION NOTES:
1) ALL TIMBER FOUNDATION PILES SHALL BE SOUTHERN PINE.
2) ALL TIMBER PILES SHALL BE TREATED WITH WATERBORNE
CCA PRESERVATIVE IN ACCORDANCE WITH AWPA C3.
3) THE MINIMUM PRESERVATIVE TREATMENT RETENTION FOR
TIMBER PILES SHALL BE 2.5 PCF.
4) ALL METAL USED TO BE HOT DIPPED GALVANIZED AFTER
FABRICATION,
5) BEFORE ANY TREATED PILES ARE DRIVEN. THE CONTRACTOR
SHALL CERTIFY THE QUALITY OF THE WOOD, THE TREATMENT
CHEMICAL, AND THE TREATMENT RETENTION.
LEGEND
— — — — — — — —10— — — — — — — — EXISTING CONTOUR
EXISTING MEAN HIGH WATER
EDGE OF WETLAND
•.................................... • • • 100' WETLAND BUFFER
FLOOD ZONE
PROPOSED BOARDWALK
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ER -
iVWJP
SIDE VIEW
2x8 JOIST
(TYP. OF 4)
P.
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- 4x4 PRESSURE-TREA
POST (TYP.
OF 2;
— CONC. BLOCK
BASE
LULUS
SCALE 1 "=1000'
STAIRWAY DETAIL
SCALE 1'=5'
TYPICAL WALKWAY SECTI❑N
SCALE 1/2'=5'
FRONT VIEW
CAP
RAIL POST
GUARD
DECKING W/ 3/4' SPACING
GALVANIZED L BRACKET
1/2' GALV. MACHINE BOLT
W/HD WASHERS BOTH SIDES
2x6 BENT
0 GALV. NAILS MIN,
6x6 TREATED WOOD POST
(NON—LEACHING)
1/19/07
CONSERVATION COMMISSION REVISIONS
TDM
TDM
Date
I DESCRIPTION
lDrawnlChecked
R E V I S 1 0 N S
PROPOSED BOARDWALK PLAN
AT
YARMOUTH CONSERVATION LAND
IN
YARMOUTHPORT
SCALE: AS NOTED DATE: DEC. 22, 2006
TOWN OF YARMOUTH
ENGINEERING DIVISION
1146 ROUTE 28
SOUTH YARMOUTH, MA 02664
DRAWN BY: TDM
CHECKED BY: TDM SHEET 2 OF 2