High Pressure Gas Main Pipe Bridge Inspections, Sheffield - Projects - MLM
High Pressure Gas Main Pipe Bridge Inspections, Sheffield - Projects - MLM
High Pressure Gas Main Pipe Bridge Inspections, Sheffield - Projects - MLM
High Pressure Gas Main Pipe Bridge Inspections, Sheffield - Projects - MLM

High Pressure Gas Main Pipe Bridge Inspections, Sheffield

Project Information
  • Location
  • South Yorkshire
  • Sector
  • Energy & Waste
  • Services
  • Infrastructure, Civil Engineering, Energy Infrastructure

The opening of the new Narthex formed a key part of the Cathedral’s centenary celebrations in 2010, but the Grade I listed Cathedral was not adequately heated for conservation or for the building users, with the failure of the existing systems.

The Client team had secured grant funding to support the installation of a bio-mass boiler, but were unsure how to provide the heat effectively to the Cathedral. MLM were engaged to develop a design for a flexible heating system, without detriment to the fabric of the building. Existing raised plinths below the pews contained an electric underfloor heating system that had failed. These plinths were replaced; incorporating l.p.h.w. underfloor heating on an insulated base, provided low level background heating.

Fan-assisted convector heaters were included in the perimeter of the plinths, providing a “boost” heating facility. The existing gas fired warm air heaters were modified to include an l.p.h.w coil, and reuse existing distribution ductwork to heat the main altar area. External heating mains were installed, connecting The Narthex heating system to the Biomass boiler, reducing the carbon footprint of the site. MLM commissioned an air permeability test to establish the performance of the building fabric, and a result of 5.37m³/hr/m² was recorded.

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