Product category:
Materials
News Release from: Instarmac Group | Subject: Cembuild GSB
Edited by the Buildingtalk Editorial
Team on 28 November 2005
Boston Bridge refurb is a tea party
Recent refurbishment of Boston Bridge required Cembuild GSB rapid setting and speedy strength gaining materials manufactured by highways maintenance specialist Instarmac Group plc.
Like most County Council's, Lincolnshire CC takes pride in restoring its region's traditional charms and features to ensure their appearance and structural integrity remains of the same standard as when first built The recent refurbishment of Boston Bridge proved no exception
This article was originally published on Buildingtalk on 28 Apr 2008 at 8.00am (UK)
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Boston Bridge was originally constructed in 1807 and was re-built again in 1913, to a design by John J Webster.
It is currently employed as a busy one-way traffic thoroughfare with wide pedestrian footpaths on both sides.
The busy nature of the highway made it important that, once refurbishment work had commenced, both the general public and traversing vehicles experienced as little inconvenience as possible.
This, in turn, made completion time a critical issue and impacted on the products employed, which needed to contribute to an early conclusion of the work.
The requirement was a primary reason for the specification of rapid setting and speedy strength gaining materials manufactured by highways maintenance specialist, Tamworth based Instarmac Group plc.
To carry out the work it was decided to close just one side of the bridge at a time.
At each stage, part of the bridge deck was stripped and re-waterproofed prior to rebuilding the highway and footpath.
The large slabs used to reinstate the footpaths were bedded onto Instarmac's Cembuild GSB rapid setting mortar.
The pre-bagged material is ideal for large-scale projects and is site friendly, since it simply requires mixing with clean water on site.
Once in place, joints between the slabs were grouted with Ultracrete Flowpoint, a rapid setting mortar specially formulated for applications where a fluid consistency and early trafficking are essential.
Since the total area to be pointed was considerable, a squeegee application method was adopted to speed up completion and to ensure the material was worked well into each joint.
Shortly after its application, excess material was removed using a fine water spray.
The refurbishment of Boston Bridge was completed to a very high standard, under the strictest safety standards and with minimal inconvenience to the public and vehicles.
Technical site support provided throughout the project by Instarmac, also proved invaluable to Lincolnshire CC Highways Department and to contractor, LCR.
Further information regarding the trials can be obtained from The Instarmac Group plc,.
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