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Walworth Road

Project

Refurbishment of first floor residential flat and construction of an additional floor to provide a further 2 bed flat.

Joyner bolt coach bolt alternative

Companies Involved

Address: Walworth Road, London, SE17 2TE
Developer: Pure Linen Holdings Ltd.
Contractor: Osborne Stewart Ltd.
Project Completion: May 2015
Bolts ordered: 224no. – M12 125mm

 

Detail

The design of the additional floor required the installation of 224 engineered joists. Each was the required to be secured at each end to the new secondary timber frame.

Side 1 was completed with threaded rod requiring two washers and two nuts.
Side 2 was completed with the Joyner Bolt, requiring one washer and one nut

Side 1 (threaded rods) Side 2 (Joyner Bolts)
Material costs £592.64 £552.16
Man hours 41 9
Labour cost £600 £130
Total cost £1,192.64 £682.16
Cost Savings £510.48

Result

Whilst material costs were comparable for both sides, Side 2 was completed in less than 25% of the time taken for Side 1.

In Addition

  • There was no wastage
  • The joints were guaranteed to be to building Control specification meaning no rework required

Speaking after the job was finished the tradesmen praised Joyner Bolts for their ease of use and the contractor was delighted with both the time and cost savings and the lack of wastage of materials on site.

5 storey private residential renovation, Central London
5 storey private residential renovation, Central London
Single Project
Single Project

Head Office

Unit 4 Northfield Road, Soham, Cambridgeshire, CB7 5UE
+44 (0)1353 781123
sales@joynerboltukltd.com

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  • 5 Things We’ve Learned Inventing Joyner Bolt August 24, 2016
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