RAF Museum Supply Air Handling Unit Heat Pumps Replacement

The project is located within the boundaries of the RAF Museum, Grahame Park Way, London NW9 5LL and consists of the replacement of the existing Carrier Heat Pumps that serve the Air Handing Units (AHU's) that in turn serve Hangar 6 of the museum.

The demise consists of a large aircraft hangar that houses historical Aircraft with the plant areas to one side of the building at ground floor level. The plant area is external and is housed in a caged enclosure and is immediately accessible from the perimeter road of the site.

The Contractor must include within their quote the disconnection, making safe electrically, removal from site and disposal of the existing redundant Heat Pumps. Upon disposal the client must be supplied with a copy of the waste transfer note to confirm the safe disposal of the redundant units.

The Contractor must include for the provision of new bases for the replacement heat pumps, Steel or concrete.

The Contractor is to price for the amendment of the pipework to suit the new connections of the new Heat Pumps.

The Contractor shall include for this within their costings for new electrical cabling from the existing MCC panel within the enclosure to each new heat pump.

The new Heat Pumps shall also be connected to the existing site wide BMS system. The contractor shall consult with the site incumbent contractor and include any costs for completing the works.

As part of the Tender process the Contractor shall attend the site and undertake a survey of the plant area and provide a plan of works within their tender return.

All valves on the Heat Pump Systems are to be priced for replacement, however the contractor must include in their quote for the testing of all existing valves for their suitability of reuse.

No other services apart from that affecting the AHU's form part of this project.

The Contractor shall, supply and install all plant, equipment, and materials to carry out the complete mechanical services installation as detailed in the documents and on the accompanying drawings.

The works shall include but shall not be limited to the following: -

• Removal of the existing plant from site and disposal
• Making Safe of all services post removal of plant
• Amend the existing plant bases to suit
• Amendment of the pipework to suit the new connections to the new Heat Pumps
• Replace / reuse the valving
• Connection to the site wide BMS
• Replace the Electrical Supply Cables from the MCC to the new units
• Full commissioning and putting to use of the new installation
• Individual Plant Controls
• Metering