Mechanical & Electrical Services

We offer a full range of Mechanical & Electrical services. From design and installation through to testing and commissioning, our experience of the issues associated with complex Mechanical, Electrical and Fire Alarm packages of works enable us to deliver work that often exceeds our clients’ requirements and expectations.

Our team of highly-skilled engineers have a detailed knowledge & understanding of Mechanical and Electrical systems including:

  • Air Conditioning
  • Cable Management Systems
  • Ducting
  • Fire Alarms
  • Harmonic Investigations
  • Hot & Cold Water Supplies
  • Lightening Protection
  • Lighting & Controls
  • LV Distribution
  • Maintenance
  • Plumbing & Heating
  • Power Factor Reporting
  • Route Enabling Works
  • Small Power
  • Temporary Site Lighting & Power
  • Testing & Inspection
  • UPS Systems

Case Studies

London Underground /Stratford Market Depot - TFOS Project

Contract value: £750,000

As part of its on-going programme of the refurbishment of Jubilee Line rolling stock, London Underground contracted Delatim to undertake the refurbishment of the Temporary Fit Out Shed (TFOS) at Stratford Market Depot (SMD); in order for this to happen, enabling works were required at the TFOS to provide power, heating, lighting and temporary site accommodation.

The depot is a busy operational facility and all work had to be carried out safely, causing no interruption to business within the depot.  The TFOS building is a temporary structure that is 140m long, 14m wide and just over 5m tall at the apex of the pitched roof. It consists of 29 aluminium portal frames at 5m centre to centre, with extruded uPVC wall panels up to eaves height and a fabric roof. The enabling work consisted of the following elements:

  • Premises – Installation of new insulation, Installation of concrete bases, painting of floor and installation of trenches
  • Civils – foundations for temporary accommodation and connections cabins to water and drainage system
  • Electrical – remove redundant services, install supply to new mechanical services, lighting and power for tools
  • Fire – Installation of a new fire detection and main fire control system linked up to the depot fire alarm system
  • Mechanical – Installation of CWS and trace heating, Compressed Air, Radiant Heating System, Gas pipework and Air Receiver

Fit Out shed before works started


Mechanical equipment and control panel



Installation of new stair base

TFL – Tower Hill Step Free Access Project

Contract Value: £1,500,000

 As Principle Contractor, Delatim were responsible for managing and coordinating the worksite at Tower Hill and liaised with a number of other LU suppliers and contractors to ensure the SFA Project was delivered safely and to programme.  Delatim delivered the following works:

  • Electrical, Fire, Mechanical and Comms Conceptual and Detailed design submission for the enabling phase of the project
  • Enabling of existing and strip out of redundant services to room 2/281 in preparation for room conversion
  • Removal of internal walls, making good walls and floors to room 2/281
  • Installation of new wind posts wall strengthening system
  • Installation of new changeover switch and dual supplies from switch rooms E2 and E5
  • Installation of new CMS, Small power, Lighting and mechanical supplies within newly constructed Connect CER
  • Installation of new multi-compartment trunking system throughout the entrance ticket hall
  • Relocation of Fire Main, GLAP, PA, CCTV, Lighting and small power within entrance ticket hall
  • Relocation of Lighting, CCTV, PA, and signage supplies on platform 3

Diverting existing services away from the new proposed Lift location


Installation of new electrical control panel and distribution equipment


Installation of new ceiling

LUL - Earls Court Electrical Refurbishment Works

Contract Value: £2,500.000

As part of the STAKE programme of works, Earls Court was one of the first of the larger stations that was selected for a full station upgrade.  Upgrade works were carried out during both Traffic and Engineering Hours, utilising the access rules.

Delatim were responsible for the RIBA F2 design, installation, test and commissioning of the electrical refurbishment at Earls Court London Underground Station.

Delatim’s scope for this project included:

  • Production of RIBA F2 Design Documentation
  • Migration and ITP planning
  • Installation of Switch Panels and Distribution equipment
  • Installation of new LV Power and Lighting
  • Earthing and Bonding
  • Containment
  • Cabling including sub-mains
  • Test and Commissioning
Installation of new Switch Panel and Distribution Boards

Existing Switch Panel and Distribution Boards

Installation of new Switch Panel and Distribution Boards

Installation of new Switch Panel and Distribution Boards