Tier 2 and tier 3 suppliers
BIS Research paper No. 145, Supply Chain Analysis into the Construction Industry, A Report for the Construction Industrial Strategy, published by the Department for Business Innovation and Skills in October 2013 suggests that tier 2 suppliers are: ‘Designers, constructors and suppliers with a sub-contract with the tier one contractor.’
This might include; novated design consultants, sub-contractors, manufacturers and material distributors and suppliers of major plant and equipment such as tower cranes.
It suggests that tier 3 suppliers are: ‘Designers, constructors and suppliers with a sub-contract with a tier two sub-contractor. ‘
This might include; designers providing working details, specialist sub-contractors, manufacturers and material distributors, and plant and equipment supply and hire firms.
Project procurement and delivery guidance, Using two stage open book and supply chain collaboration, Published by HMSO in 2014, suggests that tier 2/3 subcontractors and suppliers are: ‘…all contractors, manufacturers and suppliers appointed by a Tier 1 Contractor or by a Tier 2 Subcontractor to undertake work/supply packages forming part of a project or programme or work’
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