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LHR – Known Firemain Failures

This project is divided between several areas airside and landside. There are 12-15no separate zones where works are required to be carried out in a variety of complex environments. The project involves breaking into existing 600mm diameter fire mains, and replacement of fire hydrant and valves in addition to completion of civils works that [...]

By |October 17th, 2017|Completed|

LHR – Firemain Asset Replacements 2017

Works have continued at the British Airways Maintenance Base where we are to replace a further 4no hydrants and 15no valves across the base, including all associated civil works and full reinstatement of the apron. Working closely with our client, tight timeframes around short isolations are critical so that operational standards remain in place [...]

By |October 17th, 2017|Completed|

More Work at LHR Eastern Balancing Reservoir

Another project at the Eastern Balancing Reservoir. Here, RK Air is to install 4no manhole chambers and the connecting concrete pipework and push-fit ductile iron, in addition to a valve chamber that houses 2no 400mm actuated gate valves. The project includes all associated civil and temporary works systems. It will then be connected to the [...]

By |September 26th, 2017|Completed|

LHR – Eastern Balancing Reservoir – Surge Vessel

This project includes the installation of pipework within a temporary bypass constructed from concrete culverts above ground, and then connecting it to existing pipework below ground. RK Air's task encompasses all associated civil works, the excavations and temporary works systems before reinstatement takes place. A temporary surge vessel is to be installed while the old [...]

By |August 10th, 2017|Completed|

LHR – Area 4 Strip out and installation

RK Air’s works here are to install new LTHW heating mains to accommodate new connections to the future CHP header building, and also to upgrade existing pipework circuits. This is within a challenging confined spaces environment in the Terminal 3 service tunnel, zones 18-20. The project team is working a mix of night shifts and [...]

By |August 5th, 2017|Completed|

Eastern Balancing Reservoir Bridge Pipework Replacements

RK Air replaced and installed 500Dn all flanged Ductile Iron pipework across the LHR Eastern Balancing Reservoir middle pond bridge. We used a barge to get the pipework into position, and deployed a floating pontoon as a safe working platform for the operatives. The pipework was then fixed to custom-made bracketry. Despite the adverse working [...]

By |July 14th, 2017|Completed|

LHR: Firemain Hydrants & Valves Replacement

These works at the British Airways Maintenance Base comprised the replacement of hydrants and valves, including all the associated civil engineering works. The initial phase saw RK Air replace 18nr firemain hydrants and 9nr isolation valves on existing 16-inch and 24-inch trunk mains. The works were undertaken at nine separate locations which required close liaison [...]

By |November 3rd, 2015|Completed|

LHR Terminal 3: Northern Boiler Temporary Connection

A project to provide a northern boiler temporary connection to HTHW system within the services tunnel adjacent to Heathrow Terminal 3. The RK Air works included freezing the existing pipe network using liquid nitrogen, cutting into the existing ductile iron pipes, welding new pipework and fittings, and transferring the new pipework system from the services [...]

By |October 13th, 2015|Completed|

LGW: Firemain Replacement
Phase One in ILS Critical Area

RK Air's works included the supply and installation of 1200m of new 250mm ductile iron firemain within the ILS critical area at Gatwick Airport. Works undertaken included all the associated civil engineering, including excavating the trench for the firemain which was traversed by 118nr existing services, installing pipework and valves, constructing valve and hydrant chambers [...]

By |September 24th, 2015|Completed|