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TOWN OF HARWICH |
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This sheet
prepared to help understand Harbor Management Plan ( TEL 2/01/05) |
These specifications are |
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~~ MOORING SPECIFICATION CHART ~~ |
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established to set minimum safety |
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TABLE 2. |
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standards for vessel moorings at |
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-CHAIN LENGTH IN FEET- |
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-Table of Anchor Sizes- |
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Harwich in normal conditions. |
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TABLE 1. |
(max length) |
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MUSHROOM |
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PROTECTED |
NON-PROTECTED |
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0-26' |
26-30' |
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30-40' |
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SIZE |
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AREA |
AREA |
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AREA |
TIDE |
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DEPTHS |
SCOPE |
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SPEC.DEPTH |
(3 tons) |
(9 tons) |
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(15 tons) |
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(MLW) |
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Under 16' |
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50 |
75 |
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Wychmere |
3.7 |
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2'-17' |
2 |
: 1 |
2 |
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8 |
8 |
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9 |
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16' to 19' |
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75 |
100 |
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Harbor |
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3 |
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10 |
11 |
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12 |
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19' to 26' |
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100 |
150 |
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4 |
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12 |
13 |
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14 |
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26' to 30' |
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150 |
200 |
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5 |
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14 |
15 |
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16 |
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30' to 40' |
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200 |
250 |
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6 |
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16 |
17 |
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19 |
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40' to 50' |
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250 |
300 |
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7 |
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18 |
19 |
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21 |
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PROTECTED |
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8 |
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20 |
22 |
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24 |
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(equivalent Dor-Mor
pyramid anchor |
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AREA |
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9 |
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22 |
24 |
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26 |
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may be substituted
(recommended Herring River). |
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10 |
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24 |
26 |
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28 |
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11 |
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26 |
28 |
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31 |
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-General Tackle Regulations- |
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12 |
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28 |
30 |
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33 |
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1. |
Mushroom anchors only and
of adequate |
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Wych Outer |
4 |
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3'-12' |
3 |
: 1 |
3 |
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13 |
14 |
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16 |
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size as per Table 2. |
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Pleasant Bay |
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4 |
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16 |
18 |
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19 |
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Red River |
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5 |
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19 |
21 |
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23 |
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2. |
Adequate chain lengths in
accordance |
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6 |
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22 |
24 |
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26 |
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with specifications of
Table 1. |
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7 |
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25 |
28 |
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30 |
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` |
NON |
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8 |
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28 |
31 |
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34 |
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3. |
All moorings must be of
soft foam or |
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PROTECTED |
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9 |
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31 |
34 |
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37 |
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plastic material. Color
must be white |
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AREA |
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11 |
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37 |
41 |
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44 |
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with a blue band. MOORING
NUMBER and |
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12 |
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40 |
44 |
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48 |
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last name must be painted
on mooring |
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buoy with contrasting
oil-based paint |
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(no marker pens, please !) |
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Allen Hrbr |
3.7 |
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2'-12' |
2 |
: 1 |
2 |
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8 |
8 |
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9 |
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Round Cove |
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3 |
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10 |
11 |
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12 |
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4. |
Mooring painters and
lines must be |
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Herring Rvr |
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4 |
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12 |
13 |
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14 |
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of a non-floating type
material. No |
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5 |
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14 |
15 |
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16 |
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hemp, manila or polpropylene.
Painter |
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6 |
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16 |
17 |
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19 |
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length should be adapted
to vessel |
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7 |
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18 |
19 |
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21 |
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foredeck configuration. The
painter |
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PROTECTED |
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8 |
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20 |
22 |
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24 |
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thickness must be in accordance
with |
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AREA |
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9 |
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22 |
24 |
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26 |
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Table 3. Double painters
are recom- |
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10 |
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24 |
26 |
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28 |
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mended for all
non-protected areas. |
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11 |
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26 |
28 |
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31 |
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12 |
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28 |
30 |
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33 |
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5. |
All shackles must be
moused with: |
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stainless wire; 12GA.
copper wire; or |
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tough plastic cable ties. |
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Table 3. |
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Table 4. |
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-Painter Sizes- |
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-Chain Sizes- |
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6. |
All moorings permits and
fees must be |
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Vessel Size |
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Diameter |
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Tensile
Strength |
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Diameter |
Work |
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Wt/10' |
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renewed annually. All
moorings must |
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Nylon/Dacron |
(breaking
strength) |
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Load |
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be inspected and site
approval deter- |
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Under 16' |
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1/2" |
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5750 |
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1/4" |
1250 |
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7 |
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mined by the Harbormaster
prior to |
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16' to 19' |
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1/2" |
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5750 |
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5/16" |
1900 |
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10.5 |
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dropping same. |
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19' to 26' |
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5/8" |
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9350 |
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3/8" |
2650 |
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15 |
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26' to 30' |
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3/4" |
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12800 |
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1/2" |
4500 |
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25 |
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7. |
Winter mooring sticks
must float at a |
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30' to 40' |
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7/8" |
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18000 |
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5/8" |
6900 |
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40 |
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45 degree angle, show
18" above water |
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40' to 50' |
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1" |
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22600 |
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3/4" |
9750 |
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60 |
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and painted white tip
with number. |
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Remove Winter sticks
before May 15th. |
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CHAFING GEAR IS RECOMMENDED PROTECTION
FOR ALL LINES PASSING THROUGH CHOCKS AND OVER RAILS. |
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INADEQUATE OR NO CHAFING GEAR AND
POORLY MAINTAIN ANCHOR CHAINS ARE THE GREATEST REASON FOR BOATS BREAKING |
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LOOSE IN HIGH
ENEGY AND NON-PROTECTED AREAS. A SAFE MOORING IS YOUR BEST HULL INSURANCE. |
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