Brief

Gas, Heating, Water, Ventilation, Pipework, Drainage

Background

St Mary at the Quay reopened on 17 October 2016 as a heritage and wellbeing centre, 68 years after being boarded-up due to a dwindling congregation and WW2 bomb damage. This regeneration project sees the rescue of a mediaeval grade II* listed building.

Work on the current project began in 2008 when Suffolk Mind saw potential to create a good working environment with strong historical links to the local community. A two-year period of careful negotiations with English Heritage (now Historic England) was required before listed building consent was granted to add the 2-storey consulting room extension and to make the internal mezzanine interventions.

The project is the remodelling, extension and provision of new underfloor heating and WC facilities to St Mary at the Quay. The south tower is being refurbished to provide both WC facilities and boiler room. Underfloor heating is to be provided at the Nave, aisles and sanctuary area; full details are provided in the Main Contract Documentation. A two-storey extension is to be constructed to provide consulting rooms.

Gas Installation

Provision and installation of incoming water and gas services to the Church & extension.

The incoming gas service within the existing building is to be cut back with the riser relocated and the main is then to be checked for safe operation. A new meter is to be supplied and fitted as detailed and then a new gas service extended to the gas boiler within the South Tower. A completely new incoming gas main is also to be provided to serve the extension area. From the meter within the ground floor consulting room a new gas main is to be extended to serve the combination boiler at first floor level.

Heating Installation

Provision and installation of heating boilers and associated plant and equipment (including underfloor heating).

The Underfloor heating system is specifically to include all controls, room thermostatic, wiring centres (wiring by Electrical contractor) floor circulation pumps and bypass valves.

The heating to the extension area is to be provided by a gas fired combination boiler serving an underfloor system. The boiler is to be located within a first-floor cupboard with two manifolds provided to serve the ground and first floor.

The heating within the main church is also to be provided by a gas fired boiler location in a cupboard entered within the WC area. The boiler serves an underfloor heating system within the church.

The office located at mezzanine level is to be heated by electric wall mounted heaters, as is the office at first floor in the bell tower.

Water

Provision and installation of hot water and cold-water services to WC area & servery in Church and WC area and consulting rooms in extension.

The existing incoming mains water service within the main church area is to be replaced by a new service as detailed on the contract drawings to rise in the base of the South tower, this new main is to be extended to serve the new water outlets in the WC area and Servery within the main body of the church. A second new incoming water main is to be provided to serve the extension. The incoming mains water systems are to be extended to serve all cold-water outlets electric water heaters and combination boiler. The cold-water main pipework is to be insulated its whole length in accordance with Part L of the Building Regulations, Water Regulations and BSEN806.

Three separate systems are to be installed as part of the works, one to serve the HWS requirements of the WC area; at the base of the church tower, one to serve the servery area in the main body of the church and the third to serve the extension WC area and adjacent consulting rooms wash basins. The church WC area and servery are to be provided with electric multipoint water heaters, and it is proposed that the extension area will be served by a combination boiler. Each system is to be provided with all necessary safety and expansion relief devices. All wash basins are to be provided with local blending valves to provide safe hot water outlet temperatures in accordance with the requirements of Part G of the Building Regulations.

No cold water down service installation forms part of the works. All cold water outlets are to be supplied by the incoming mains water system.

Ventilation

The ventilation of the toilet areas is to be by a local extract fan. Ventilation has been designed in association with Part F of the Building Regulations. The servery area also has a ventilation system designed to meet the site requirements.

Pipework

All redundant pipework is to be disconnected and

removed with resultant holes made good by the Main Contractor.

Drainage

All of the above ground drainage system is to be completed as part of the mechanical contractor’s works. The underground drainage installation is the responsibility of the main contractor