Head Office
Tel: 01256 768 886

South West Regional Office
Tel: 01793 814822

Mechanical, Electrical and Building Contractors – High Voltage Specialists

Our customers choose us simply because we provide a unique service, supplying in-house designed and implemented solutions for entire projects which reduce additional costs and your management involvement.

We find this has produced a loyal customer base that prefers our approach and ability to provide a full service on all their mechanical and electrical engineering projects. Here’s a flavour of what we can do….

Electrical Contractors

With full internal design capabilities, and experienced on-site professionals our clients commission us to execute a variety of commercial electrical contracts.

Industrial, commercial and residential; fire alarms and emergency lighting, testing and inspection, PAT testing, fault trace and repair, street lighting, maintenance and design.

High Voltage Electrical

Based in the UK, SEC are specialists in all forms of High Voltage electrical projects. Complete installations, transformers, feeder pillars, fault location, cable jointing, cable pulling, testing and commissioning, maintenance and inspection and thermal imaging.

Mechanical Engineering

We are regularly asked to deliver mechanical engineering projects. Boiler house and plant-room installation, gas, heating; hot, cold and chilled water; air conditioning, ductwork, welding, plumbing, above ground drainage, maintenance and design.

Building

New build, refurbishment, extensions, brickwork, carpentry, painting, decorating, suspended ceilings, partitions, drainage, water mains, roof and structural works and groundwork

A successful and on-time completion of an MOD MT yard

A successfull and on-time completion of an MOD MT Yard Hanger, for which a full installation of a fully addressable fire alarm system which also included a PA containment was installed to meet current MOD regulations and requirements.

High-spec electrical installations contracts for labs across the South

We have long term contracts with major laborities across the South of England for which high-spec electrical installations are carried out including full design, installation and completion of air handling controls to electrical distribution to large power and lighting installations, to which great care is taken in such a sensitive

School gymnasium and workshop rewire, lighting and electrical distribution

This project was carried out during the summer holidays. It involved the isolation and removal of all exisiting electrical distribution and lighting services, high and low level. Design and installation of a new lighting scheme and electrical distribution system.

A school toilet refurbishment for a local council

This was completed during the summer holiday period. The works involved removal of existing toilets, basins, hot and cold services, tiling, flooring, ceilings, electrics, lighting and cubicles.Supply and installation of new toilet cubicles and sanitary ware re-tile and redecorate, new flooring, new hot and cold water services, new lighting and

Executive toilet extension project for major hotel group

The job was to plan and extend the building, supply and install new walls, ceilings, floors, roof, sanitary ware, hot and cold services, electrics, cubicles and had dryers. With a 3 month programme we were recommended by another hotel group for the project and continuing to carry out projects for

Refurbishment of an accomodation block for the M.O.D.

A successful building project completed with a delighted customer. The project was a refurbishment of an accomodation block for the M.O.D. The entire building was stripped out: ablutions, electrics, lighting, power, hot and cold water, services, sanitary ware, kitchen and roof. We then completely installed new hot and cold services,

Boiler maintenance to new gymnasium facility

Installation of a complete school boiler house, pipework controls, wiring, flue, insulation and commissioning. During the 6 weeks Summer holiday shutdown period. We carried out this contract for a local council. We continue to maintain a competitive edge by providing a service with quick response and value for money which

Health authority chiller plant installations

The works consisted of new chiller plant and air handling units. Craned onto roof roof positions: Removal of existing plant and equipment new pipework services and electric supply modifications. Associated builders work were carried out by our directly employed building team. The project was carried out over a 30 day

Installation of a complete school boiler house

Installation of a complete school boiler house, pipework controls, wiring, flue, insulation and commissioning. During the 6 weeks Summer holiday shutdown period. We carried out this contract for a local council. We work for several councils on a regular basis and enjoy the challenge of the limited windows of opportunity. To

High Voltage protection relay testing by secondary injection

A part of our continued program of high voltage maintenance routinely carried out for a range of clients oven the last years, some in excess of 10 years annually, SEC Ltd are able to test, set and program a vast range of high voltage protection relays including the more complex

High Voltage ring infastructure upgrade and additional sub-station

The final completion of the introduction of a new 11,000/433v sub-station complete with a new Low Voltage ‘Saif’ range feeder pillar, which was added to a MOD airfield’s site High Voltage ring main. This followed the replacement of the complete sites’ High Voltage ring main consisting of 4km of excavation

Oil change and bushing repair to in-service 11.000/433v transformer

Following completion of annual high voltage maintenance to one of our client sites, a small oil leak was observed on the HV cable end box. SEC undertook to drain down the existing transformer and replace the HV bushing to the transformer. A replacement gasket were fitted to both the LV