Development Of A Submarine Sand Recovery System For Hawaii,

Details

• Personal Author:
  Casciano, Frederick M.
• Corporate Authors:
  United States. University of Hawaii at Manoa.
• NOAA Program & Office:
  Sea Grant ; OAR (Oceanic and Atmospheric Research)
• Sea Grant Program:
  HAWAU (Hawaii Sea Grant)
• Description:
  A unique system for mining ocean bottom sand from a small vessel was conceived and developed under the University of Hawaii's Sea Grant program Called the Submarine Sand Recovery System, or SSRS, it consists primarily of a suction probe which buries itself in thick deposits of sand by hydro-​jet action and removes large cones of sand which can be transferred to shore for beach replenishment. The probe is handled on the bottom by divers with the aid of a special underwater lifting drum. The head is fitted with a hydraulically powered roller-crusher to grind up coral, rock, and shell fragments at the sand inlet. It is expected that under certain conditions the system will provide a more economical and ecologically sound means of recovering offshore sand than is offered by conventional dredging systems. Laboratory and ocean tests were conducted on a series of models. A prototype (6-inch diameter pipe) was constructed and underwent preliminary testing in November of 1972.
• Keywords:
  Dredges Ocean Mining Sand Ocean Mining
• Sea Grant Document Number:
  HAWAU-T1-73-004
• Document Type:
  Technical Report
• Place as Subject:
  Hawaii
• Rights Information:
  Public Domain
• Compliance:
  Library
• Main Document Checksum:
  urn:sha256:08707e7fada562c3000b4ac4fc4206b58b98e2881bb29d41e6d38ad18feaa8a6
• Download URL:
  https://repository.library.noaa.gov/view/noaa/38358/noaa_38358_DS1.pdf
• File Type:
  [PDF - 1.30 MB ]