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The Castle Group

Underwater Inspection, Design, and Construction

  • W.J. Castle & Associates
  • Hydro-Marine Construction
  • Simplified Bridge Systems
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The Castle Group Projects

Explore some of the projects The Castle Group has worked on.

You will find examples of the breadth, variety, and quality of our work.

Gray’s Ferry Bridge Over Schuylkill River – A Case Study

William Castle · April 1, 2021 ·

Gray’s Ferry Bridge Over Schuylkill River - A Case Study

A Hanging Cofferdam for the Repair of the Gray's Ferry Bridge Over the Schuylkill River Overview Gray’s Ferry Bridge Over Schuylkill River - Buckley Construction contacted Hydro-Marine Construction and W.J. Castle & Associates about designing this system that is one of … [Read more...] about Gray’s Ferry Bridge Over Schuylkill River – A Case Study

Filed Under: Projects Tagged With: bridge repair, marine construction, pier work, Schuylkill River, underwater constuction

Mid-Hudson Bridge History

William Castle · February 28, 2020 ·

Mid-Hudson Bridge

The Castle Group’s Role in Mid-Hudson Bridge History Just over 90 years ago, the Mid-Hudson Bridge was finally completed after an unprecedented construction accident. Images eerily similar to those of the Titanic depict the unforeseen dangers of building in water. Yet, … [Read more...] about Mid-Hudson Bridge History

Filed Under: Projects Tagged With: bridge construction, bridge repair, diver engineer, Hydro Marine Construction, The Castle Group, underwater inspection, underwater investigations, WJ Castle Group

Case Study: North Jersey District Water Supply Commission

William Castle · September 1, 2019 ·

W.J. Castle, P.E. & Assoc., P.C. (CASTLE) was contacted by the North Jersey District Water Supply Commission (NJDWSC) to repair a major leak in a seven (7) foot diameter water pipe that supplies more than 13 districts in North Jersey (including Newark Airport) with drinking … [Read more...] about Case Study: North Jersey District Water Supply Commission

Filed Under: Projects Tagged With: diver engineer, marine engineer, New Jersey, underwater inspection

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Company News

Company News
  • W.J. Castle, P.E. & Associates, P.C. Awarded Underwater Inspection/Surveying Six Long-Span Bridges New York State Bridge Authority
  • WJ CASTLE Awarded Best Transportation Award by PCI
  • WJ Castle Awarded Underwater Inspection Contract from PEPCO Holdings
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Projects

Projects
  • Gray’s Ferry Bridge Over Schuylkill River – A Case StudyGray’s Ferry Bridge Over Schuylkill River - A Case Study
  • Mid-Hudson Bridge HistoryMid-Hudson Bridge History
  • Case Study: North Jersey District Water Supply CommissionCase Study: North Jersey District Water Supply Commission
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Educational Articles

Education
  • PDH Course Description
  • The Castle Group’s Underwater Inspection, Design, and Construction – Part 2 The Inspection
  • Underwater Inspection Design and Construction – The Castle Group – Part 1 Preparing for Inspection
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Under The Surface Newsletters

  • Official Newsletter of The Castle Group: Volume 9, Fall 2015
  • Official Newsletter of The Castle Group: Volume 6 – 2011
  • Official Newsletter of The Castle Group: Volume 5 – 2010
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The Castle Group

Tynddol Building
1345 Route 38 West
Hainesport, NJ 08036
(P) 800.644.4713
(F) 609.261.3422
wjc@wjcastlegroup.com

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