St Laurence Primary School
£480,000
Project Contract Value
2022
Primary School Decarbonisation Project
Energy
Dynamic Energy Modelling and Fabric Specification
MEP Design
Mechanical and Electrical Services Design
Chorley St Laurence Primary School was part of a Public Sector Decarbonisation Scheme (PSDS) bid supported by Mantis, securing grants for over 15 schools. The large primary school site enabled a Ground Source Heat Pump solution.
Mantis produced the Heat Decarbonisation Plan, carried out inspections, delivered detailed designs, and managed contractor tendering after successful funding.
Project Scope and Objectives
Following a successful PSDS 3 grant application, Mantis supported the delivery of a 1x primary school decarbonisation project for the Diocese of Blackburn. The programme involved:
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Full Feasibility Studies and PSDS 3 funding applications
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RIBA Stage 3 Detailed design and project management
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Mechanical, Electrical, and building services upgrades to reduce carbon emissions and improve energy efficienc
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Engagement with school staff and stakeholders to encourage active participation in low-carbon initiatives
The project aligns with the Diocese’s Net Zero goals, ensuring sustainable, energy-efficient environments for students and staff.
Mechanical & Electrical Design (RIBA Stage 3)
Mantis Energy’s design team has produced detailed mechanical and electrical designs, including:
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Heating system designs and plant room layouts
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Hot and cold-water services schematics
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Ventilation, mechanical extraction, and BMS controls
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Internal and external plant designs
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Mechanical & electrical systems integration
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Comprehensive design reports supporting contractor tendering
This technical design ensures that all interventions meet operational requirements while optimising energy performance.
Scope of Works
The following works were completed on site:
- Cavity wall insulation (CWI), loft insulation and draught proofing
- Flat roof insulation and new flat roof covering
- Installation of thermally efficient windows and doors
- Installation of 60x solar panels on the roof (approx. 23kW)
- Decommissioning of fossil fuel heating systems and distribution and removal of old oil fired boiler
- Electrical infrastructure upgrades (DNO)
- On site electrical power supply upgrades with consumer board and building management system (BMS) upgrades
- Installation of improved ventilation systems
- Installation of low carbon ground source heat pump.
- Installation of new heating distribution system and radiators
- Making good and all associated building works
Regular meetings, webinars, and on-site school engagement are conducted to raise awareness and encourage participation from school communities.
Construction Phase Delivery
During construction, the following was completed:
- Production of construction issue drawings and specifications
- Review and sign-off of contractor and specialist designs
- Procurement of Insulation and Low Carbon Heating Systems
- Quality control and supervisions of contractors
- Mechanical & Electrical commissioning and completion reports
- Pre-handover defect schedules and final handover documentation
The project was delivered safely, efficiently, and to specification, minimising risk to the Diocese and school operations.
Contact us to find out more
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