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