Replacement of Boiler Plant - The Cedars, Norwich, NR2 2EE

This specification describes the Mechanical services installation for replacing the boiler plant at the Cedars and for carrying out modifications to the heating with in all the Flats Airing Cupboards.

The Cedars is a communal heating system serving elderly persons 1 & 2 bedroom flats (40 in total). The building is ground & first floor with modern rear wing flats and communal facilities / flats in the old Victorian front part.

The project brief is to replace the heating boilers and make minor modifications to the heating with in the flats airing cupboards.

The existing system consists of two 198kilowatt Potterton Derwent gas fired heating boilers located in the central main boiler room with one heating flow & return constant temperature circuit serving the whole complex.

It is intended that the mechanical contractor can prepare & make up pipework/equipment as required to keep any shut down to an absolute minimum ensuring the flats have heating and hot water up & running again the same day as the shutdown.

Additional hours as necessary should be allowed for in the tender to carry out such a shut down.

The successful mechanical contractor shall be working directly as the main contractor to Broadland Housing Association.

Scope of Work

This specification covers the design, construction arrangements, method of operation, factory testing, supply, delivery, installation, connecting up, on-site, adjusting, balancing, commissioning and setting to work, as appropriate, of all the plant, equipment, apparatus and completed installation to be provided under the mechanical portion of the contract and to the provision of the drawings and documents as further detailed in this specification.

The work shall comprise the whole of the labour and all materials necessary to form the complete installation and such tests, adjustments and commissioning as are prescribed in subsequent clauses and may as otherwise be required to give an effective working installation to the satisfaction of the supervising consulting engineer for the works.

• Stripping out the existing boiler plant, pipework and associated equipment
• Provision of two Hamworthy Wessex boilers and associated equipment
• Provision of associated electrical work & controls as required
• Provision of new gas main as required
• Provision of Temporary oil fired boiler plant
• Provision of associated builders work as required
• Provision of modifications to heating in all Flats air cupboards.
• Provide testing and commissioning
• Provide as installed drawings and operations and maintenance manuals