Print version E-mail to a friend
Text Size: Change text to small (default) Change text to medium Change text to large
Enlarge Image
View of the horizontal tensile machine in Mooring Operations facility (Mark Lambton)

Services Offered

The Mooring Operations, Engineering and Field Support Group, which includes the Mooring & Rigging Group, offers a wide range of services to the oceanographic community with considerable expertise in mooring fabrication.

Shore-side services include:
  •     Design and construction of subsurface and surface moorings
  •     Complete swaging services for 3 x 19 wire ropes
  •     Splicing of all types of synthetic ropes
  •     Proof testing up to 150,000 lbs.
  •     Break testing up to 112,500 lbs.
  •     Spray painting
  •     Buoy assembly and preparation
  •     Winch repair and maintenance
  •     Acoustic release preparations arranged
  •     Complete shipboard staging service

The Mooring & Rigging Group, in conjunction with the WHOI stockroom, maintains an extensive inventory of materials that can be used for fabricating moorings, as well as other oceanographic applications.  These materials include:

  •     Jacketed wire rope in diameters of 3/16", 1/4", 5/16", 3/8" & 7/16"
  •     Wire rope termination swages and boots
  •     8-strand plaited nylon in diameters of 3/4", 7/8", 13/16" and 1"
  •     8-strand polyolefin line in diameter of 1"
  •     12-strand polyolefin line in diameters of 3/8" and 5/8"
  •     12-strand single-braid polyester line in diameter of 3/8"
  •     Double-braid with nylon core and polyester cover in diameters of 3/4", 7/8" and 1"
  •     12-strand HMPE fiber line in diameters of 5/16" and 3/4"
  •     Trawler chain in diameter of 1/2"
  •     Mooring chain in diameter of 3/8", 1/2", 5/8" and 3/4"
  •     Hardhats for 17" glass balls
  •     Wooden reels
  •     Cast-iron anchor modules for making up anchors ranging from 233 to 9,300 lbs.
  •     Safety anchor shackles in sizes of 1/2", 5/8", 3/4", 7/8" and 1"
  •     Safety chain shackles in sizes of 1/2", 5/8" 3/4", 7/8" and 1"
  •     Weldless sling links in sizes of 1/2", 5/8", 3/4" and 7/8"
  •     Weldless end links in sizes of 7/8" and 1"
  •     Weldless master links in sizes of 1" and 1-1/4"
A sizable inventory is maintained so these materials are readily available.  When provided with adequate notice, the Mooring & Rigging Group is able to respond to most requests in a timely manner without having to wait for delivery of long lead-time items.

The extensive range of experience of Mooring Operations can be a valuable resource to scientists for additional manpower as needed both shore-side and at-sea.


WHOI logo

Last updated March 3, 2008
© Woods Hole Oceanographic Institution. All rights reserved