At i-MasT, we offer a comprehensive range of products, services and support from one point of contact, to ensure that the condition and effectiveness of your high mast lighting need never worry you again. Our packages range from lighting scheme design, to lantern manufacture, total component supply and installation of projects with our unique high mast systems (including mast and electrical gear, lamps, cabling and fixing bolts). They also include maintenance of existing facilities to ensure optimum all year round
performance; i-MasT’s extensive menu of services provides a choice to match your requirements exactly.
Our installation and maintenance services enable clients up and down the UK to operate their critical lighting installations economically and to the highest safety and security standards, including major port authorities, retail parks and motorway operators.
i-MasT is staffed by mobile teams of our own, highly experienced engineers, backed by the resources of WRTL, one of the UK’s leaders in exterior lighting. 24 hour availability within the UK, means your long term needs for emergency maintenance and call out are also secure.
For use in
Area lighting requiring high safety, easy maintenance including major port authorities, retail parks and motorway operators.
Key features
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- Safe high wind head frame operation Raising and lowering can be accomplished in wind speeds above 30mph, unlike conventional mast systems, with Guided Runner system
- Unsurpassed maintenance flexibility Can be maintained safely even during bad weather
- Fail safe Further enhanced safety with Parachute Braking™ for double protection in case of rope failure; will not allow headframe to fall to the ground
- Highest quality connections For ultra electrical reliability and safety, uses silver-plated copper male and female connectors between lantern carriage and headframe with engineered fit to prevent arcing
- Wide lantern suitability Suitable for WRTL Arc, Mario, 2-Tone, Circo & Harmony lanterns
Technical data
- Mast: Conical with polygonal cross section with slip-jointed sections, galvanised steel
- Headframe: Housing the electrical components, galvanised folded sheet steel
- Design standard: Manufactured in accordance with ILE Technical Report No. 7
- Raise/Lower mechanics:
- Guided Runner system in corrosion-free aluminium
- The Parachute Braking™ system consists of a self-lubricating, sliding shoe
- Double and single drum winches available
- Stainless steel rope
- Base section houses the control panel and winch
Dimensions and weights

Goliath
Alternative to fixed towers, or close to buildings or sports areas:
| *Height |
18m |
20m |
20m |
| Mast Weight |
755kg |
895kg |
997kg |
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| Titan |
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| Ports, docks, harbours, airports,major road projects, car parks |
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| *Height |
20m |
25m |
30m |
| Mast Weight |
1155kg |
1565kg |
2182kg |
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| Colossus |
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| Urban environment and high aesthetics |
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| area lighting |
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| *Height |
25m |
30m |
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| Mast Weight |
1590kg |
2210kg |
To specify state: High mast with headframe fitted with guided runner and parachute braking system, able to be operated in winds over 30mph, designed according to ILE Technical Report No. 7, as WRTL Colossus/Titan/Goliath.
Notes
*N.B. Mast Length ±0.5%; OD ±1%; Thickness ±10%; Verticality ±0.003% of total height