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Project Date: 10/97-3/99
Owner:
Massachusetts
Water Resources Authority
Project Engineers/Managers:
Kaiser Engineers
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"Before work could begin,
it was necessary to find a capable stone setter, to begin
amassing an adequate supply of stone that met contract specifications,
and locating equipment that would make the construction of
this giant mosaic possible."
--Mike Bissonnette, Project Manager
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This project was designed to protect the Deer Island Sewage Treatment facility from the sea and storm damage along the entire 6,200-foot length of its vulnerable western and southern shores.
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Project Highlights
Deer Island Western Shoreline Protection
Deer Island, Massachusetts
• Construction of a 240,000-ton stone revetment,
one of the largest materials handling projects ever
undertaken along the Northeast coast.
• Interlocking placement of stone ranging in size from 500
pounds to 20 tons (each with 3 points of contact).
• Relocating a 575 lineal foot segment of the North
Metropolitan Trunk Sewer (a 108-inch diameter outfall
pipe), including bypass pumping of 35 million gallons
of waste water daily.
• Construction of 600 feet of new roadway.
• Demolition of 8 fuel tanks ranging from 6,000
to 25,000 gallons each (including "pigging the
lines" to clean fuel from all interior and connector
pipes prior to dismantling).
• Demolition of four 100-yard retaining walls that
had been used as bays for trash trailer trucks.
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