Intrusive Surveys Framework Restoration & Renewal Programme

Descriptions

A Contractor on this Lot will undertake structurally intrusive surveys at the Palace of Westminster. This is a heritage environment (Grade I listed building), which has significant constraints on access and security restrictions. The structurally intrusive investigations will be undertaken to obtain information on the geometry, physical properties, performance and condition of masonry elements, reinforced concrete structures, precast concrete elements, core and material (dust) sampling and testing, brick/stone and paint specimens; the presence of hidden voids; the geometry, physical properties and condition of steel and iron elements, timber elements, 19th century ceilings and raised floors; the condition of flat roofs, buildups and materials for room finishes; services distribution routes; the Contractor will undertake NDT, coring, radar scanning, GRP and GRS. These surveys will provide data on the structure of the building, compartmentation and the loading of floors. Intrusive structural surveys will also be undertaken to determine the physical property and condition of boundary and internal fencing including foundations. Intrusive surveys will be undertaken to establish properties and conditions of hatches, ceiling types, hidden voids, chimney pieces, fire places, cast iron and cast iron protection surrounds; fixings, glazing and weatherings of windows. The Contractor may also be required to undertake a survey of the façade; curtain walling, external doors, lead spandrel panels, insulated glazing units, brise soleils, balustrade and guardrails, entrance canopy, roof plant enclosures, louvres; fire compartmentation; junction of the slab edge with the external wall / façade, junction of the floor slab with any protected shaft / riser, life shafts, fire stopping of any openings in the floor slab, integrity of the protected staircase, integrity of protected shaft / risers and fire stopping of any service penetrations, integrity of protected lobbies to staircases and lifts, fire door condition survey, integrity of compartment walls and fire stopping of service penetrations, provision and condition of cavity barriers in concealed voids including ceiling and floor voids, investigation of basement natural smoke vent. The Contractor will undertake similar intrusive structural surveys in other locations outside the Palace of Westminster, including but not limited to the QEII conference centre. Surveys will also include waterproofing and movement joint surveying, minor external excavations below ground level; core and material (dust) sampling and testing; lead paint survey; hanger casing removal and testing; fire hydrants and routes surveys. The Contractor shall produce BIM execution plans, fully dimensioned and annotated drawings and tagged photographs and interpretive reports. Tests are to be carried out in accredited laboratories. The Contractor will provide suitable qualified personnel to carry out investigations and testing, record and report findings and input into BIM. At ITT stage, Tenderers may be required to submit their Tender in two parts: Part One will be a Tender for a place on the Framework Agreement for this Lot and Part Two will be a Tender for the first Call-Off Contract for this Lot. See PQP for further information on the evaluation methodology to be applied at ITT stage for the award of a place on the Framework Agreement for this Lot and for the first Call-Off Contract. Further details of the requirements for the Part One and Part Two Tenders will be produced by the Delivery Authority and provided to Tenderers at ITT stage. The Delivery Authority intends to invite five Candidates to tender for this Lot and award three places on the Framework Agreement for this Lot. See the PQP for further details.