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.
