Suspended Platforms

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deception & canoe pass 1

Deception & Canoe Pass + San Rafael Bridge

December 27, 2022

Designing a suspended platform system presents unique challenges not commonly seen in other lines of engineering, which requires a different kind of in-depth plan behind each design. Like a well-constructed spider web, suspended platform systems typically consist of efficiently placed cables and chains working both together and against one another to create a balanced system…

NCSEA

NCSEA – Award

DHC is proud to have been awarded the National Council of Structural Engineers Associations 2015 Excellence in Structural Engineering Award, for work on the Ballard Drive Bridge, in Seattle, WA.   Click here to read published article on the project.   The Ballard Drive Bridge is...

SSPC

SSPC – George Campbell Award

DHC is proud to have been awarded the Society of Protective Coating’s (SSPC) George Campbell Award, for work on the Fremont Bridge, in Seattle, WA. This honor is bestowed as recognition of outstanding achievement in the completion of a difficult or complex industrial or commercial...

SIAC

SIAC – A Historic Challenge

As our nation’s buildings and bridges continue to age and deteriorate, contractors are regularly challenged with completing retrofit, painting, abatement and other upgrades, without overloading or damaging the existing structures. With more and more federal, state, and local entities rewriting their specifications to put the...

SAIA

SAIA – Balancing Needs – A Bascule Bridge Story

Published in the September 2012 issue of SAIA   By Jasper Calcara, PE   If you can imagine the risks of two sumo wrestlers jumping on a child’s seesaw, you can start to visualize the challenges facing engineers on the Ballard Drive Bridge painting project....