BLAIR COVERED BRIDGE CAMPTON, NH Removal of Pavement Preparation - PowerPoint PPT Presentation

BLAIR COVERED BRIDGE CAMPTON, NH

Removal of Pavement

Preparation for Concrete

Siding Removal

Siding and Flooring Removed

Original Floor Joists

Staging

Sandbags – Cofferdam – New Concrete Poured

Shoring truss being inserted

Truss inserted – Jacking stations set -- Blair Bridge is suspended – Trusses are out of compression and can be examined and repaired

Jacking stations at needle beams

Typical conditions of the original bridge

New arch leaves

Only beam left from the original bridge that was destroyed by arson. Located at the center pier.

Sawtooth Joinery

Original sawtooth joinery done by Arnold M Graton from the 1980’s restoration

Diagonal and vertical replacements

Repairs complete – truss removal

Preparing for the 30 day shutdown

Never Ending Winter

Pier – Ice Breaker

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Repair Detail

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{ New floor joists

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{ New oak flooring

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{ New standing seam roof

{ Wedge Counter Brace-Defining characteristic of Long Truss

{ Pegged joinery in process

{ Rebuild of the south east wing wall using traditional dry stack masonry

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New siding