Construction work

Tender description

Replace the existing (Kalzip) aluminium standing seam roof to the synchrotron building with a new aluminium standing seam roof together with solar photovoltaic cells. Replace the existing (Kalzip) aluminium standing seam roof to the synchrotron building with a new aluminium standing seam roof together with solar photovoltaic cells. Diamond Light Source (DLS) is looking to appoint a suitable Principal Contractor (PC) to undertake the works under the NEC3 design and build form of contract. The contractor can either be a specialist roofing contractor who is able to undertake the principal contractor duties (as defined under the Construction (Design and Management) regulations 2015), or a general/main contractor who will undertake the PC role and subcontract the roof works to a specialist roofing contractor (either in-house or externally). The synchrotron building is the toroidal building which accommodates a cutting edge national scientific research facility. The existing roof is an aluminium standing seam roof system, which is starting to deteriorate due to thermal movement. The total roof area is approximately 32 000 m2 and comprises of 96 bays. Each bay includes both parallel and welded tapered and curved sheets, which gives the building its toroidal shape.