Sector Transport infrastructure
Project type New build
Services provided Site survey
Planning advice
Design
Product / system manufacture
Product / system supply
Project management
Installation
Year completed 2015
Project location Scotland
Contractor CTS Bridges
 
 

Challenge

The original bridge at Cruden Bay was constructed in 1922 following a fundraising drive led by local women, leading to it being named Ladies Bridge. Concerns were raised that it would collapse following severe storm damage and the bridge was subsequently closed.

Local community groups were again involved in raising funds to secure a new bridge as it is a vital link to the beach and local businesses.

Solution

CTS carried out a photographic and dimensional survey of the existing bridge and its support trestles. A new structural design was prepared by current design codes whilst maintaining the principles of the original structure.

Cosmetically the new bridge adopts the distinctive diagonal paling arrangement for the parapets although the new parapet is not painted. The entire structure uses FSC accredited Ekki hardwood which is naturally durable and well suited to the coastal environment; omitting paint does not reduce the service life of the structure but removes a maintenance requirement.

The footbridge has FSC Ekki hardwood Hi-Grip Excel decking, manufacted by CT Bridges, which has two non-slip strips of resin bauxite bonded into two grooves in each deck board. This provides a safe, slip resistant surface on the bridge deck.

CTS was the sole contractor for the site phase. The tidal location limited the works that could be undertaken each day. Early on in the design phase, the site dates and associated tide times were identified in order to determine the installation sequence and in-turn the level of pre-fabrication of each element to be undertaken at CTS's factory. The result was an efficient execution on site with all superstructure works being completed in less than 2 weeks.


Challenge

The original bridge at Cruden Bay was constructed in 1922 following a fundraising drive led by local women, leading to it being named Ladies Bridge. Concerns were raised that it would collapse following severe storm damage and the bridge was subsequently closed.

Local community groups were again involved in raising funds to secure a new bridge as it is a vital link to the beach and local businesses.

Solution

CTS carried out a photographic and dimensional survey of the existing bridge and its support trestles. A new structural design was prepared by current design codes whilst maintaining the principles of the original structure.

Cosmetically the new bridge adopts the distinctive diagonal paling arrangement for the parapets although the new parapet is not painted. The entire structure uses FSC accredited Ekki hardwood which is naturally durable and well suited to the coastal environment; omitting paint does not reduce the service life of the structure but removes a maintenance requirement.

The footbridge has FSC Ekki hardwood Hi-Grip Excel decking, manufacted by CT Bridges, which has two non-slip strips of resin bauxite bonded into two grooves in each deck board. This provides a safe, slip resistant surface on the bridge deck.

CTS was the sole contractor for the site phase. The tidal location limited the works that could be undertaken each day. Early on in the design phase, the site dates and associated tide times were identified in order to determine the installation sequence and in-turn the level of pre-fabrication of each element to be undertaken at CTS's factory. The result was an efficient execution on site with all superstructure works being completed in less than 2 weeks.


 
 
 
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