Projects / Basingstoke Water Tower

Main Contractor: Thomas Homes
Project Value: £19,000
Helifix Structural Repairs



The Water Tower was part of a hospital complex in Basingstoke, Which Thomas Homes along with other developers are converting into a residential area. The Water Tower which forms a focal point of the development has had the water tanks removed ready to be turned into residential units, But the tower had formed some serious structural cracking.


LSE was contacted and together with HELIFIX a repair scheme was designed and put forward along with a fixed price quotation to the main contractor. The scheme consisted of using Helibeaming and cemties. This would prevent the building for degrading until an external repair can be carried out, as this was not possible at this time.



The works were carried by LSE Structural Solutions in two phases to suit the main contractors plans. The joins were cut out ready for the Helibeam to be installed, then the Cemties were also drilled ready for installation.

Once all cutting and drilling had been carried out the Helibeam and Cemties were installed. When all Structural works by LSE had been carried out the main contractor was then safe to carry on with the conversion works. All the works are covered by HELIFIX guarantee.



              

Crack Crackstitching Crack Stitching is used when a building starts to get vertical cracking, once the cause of the crack has been determined as suitable crack stitching method can be employed. Crack stitches are installed into the bed joints across the cracks. The bed joints are cut out and then the helical bar is grouted in place preventing any future movement. HelibeamingHeli-Beaming is used to create a structural beam, by installing long lengths of helibar at a set spacing and using the existing masonry to create a beam. This method is used where subsidence is a problem and can be used in conjunction with under pinning. Remedial WalltiesWall Tie Replacement is carried out when the existing ties become corroded and can no longer carry out their function, which is to hold two skins of masonry together. This is a non-destructive repair which involves isolating the existing ties preventing them from causing any further damage. Then new helical ties are installed by drilling a pilot hole then using special equipment screwing them in to hold the two skins of masonry together again. The dry fix ties used for wall tie replacement can also be used to pin arches CemtiesCem-Ties are used to prevent walls that are separating from separating any further. A holes are drilled through the damaged area in a set pattern then cem-ties are installed using special equipment the ties is a length of Helical bar and it grouted in place. BowtiesBow-Ties are used to stop walls that have become unstable from falling down by tieing then into the floor joist, and using the floor as a diaphragm. They are install by drilling through the masonry at joist level then screwing them into the joists. They are then anchored to the masonry using a resin compound. Timber Resin RepairsTimber Resin Splices are used when a timber joist or beam end has become decayed and can no longer carry the load required. They are simple to install by our experienced technicians and are less destructive than the alternative which is a full replacement. The decayed timber is propped then the decayed end is then removed, slots are then formed and the timber splice is then positioned. The area is then sealed and resin is either poured or injected into the slots. Bower BeamBower Beams are used to replace joist ends that have decayed; they are a simple way to repair the joist without the need for a full replacement which can be very destructive. The joist is supported the decayed end is then removed and the bower beam is them bolted onto the joist end.
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