Description of the contract
Natural Resources Wales operate a laboratory facility on the Swansea University campus, situated on the second floor of the Faraday Building and with an approximate floor area of 350 square metres. The lab’s primary focus is sample analysis. NRW have been in occupation of the labs for over two years. The existing HVAC system is not able to meet the requirements of providing a controlled temperature environment for sample analysis and provide a comfortable environment for staff members in which to work. This contract is to appoint a supplier to undertake the necessary works to replace the HVAC system.
The works required are summarised as follows:
Labs and Offices Room 219 – R223
- Removal of existing refrigerant based fan coil installation.
- Removal of existing roof condensers, chillers, refrigerant pipework etc
- Isolation and removal of electrical services associated with roof mounted condensers and chillers
- Installation of new hybrid VRF comfort cooling installation.
- Installation of condensate drainage system to suit new VRF layout
- Modification of existing cold water service to allow connection new hybrid VRF layout
- Supply and install of new Electrical distribution board and sub mains circuits for new VRF condensers
- Modify and extend existing electrical circuits within labs etc to suit new VRF layout
- Commissioning on new hybrid system, including installation of master controller
Labs 217 and 218
- Removal of existing fan coil cassettes from the existing VRV system
- Addition of new VRV condensers to serve both labs, including end distribution pipework and BC Box
- Installation of new VRV cassette fan coils and new BC box to serve both labs
- Modify and extend existing condensate drainage system to suit new internal layout
- Modification of existing supply ductwork serving both labs to incorporate installation of DX cooling coils within supply ductwork
- Installation of roof mounted AC condensers to serve DX coils
- Installation/modification of control wiring for DX coils onto existing AHU controls
- Installation of new Electrical sub mains cabling to roof mounted condensers
- Modify and extend existing electrical circuits to serve new cassette fan coil positions
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