James Lockyer Associates Ltd
Oakland Mews, Liskeard
CornwallPL14 3UX
01579 344771
Finished project
The Finished Building
Bridges and Walkways
Completed project
During construction
Underpinning reinforcement
Reinforcement for new patio
Completed Project
View from the new balcony
Completed works
Completed project
Completed project
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Reinforced Concrete Foundation

Client

Defence Infrastructure Organisation (DIO)

Contractor

Britcon Ltd

Contract Value

£130,000

Services Provided

Infrastructure
Site Investigation
Structural Design
Structural Drawing & Detailing
Tendering Process

The Project

The concept was to provide foundations and infrastructure to support the installation of a radome by others for an existing communications antenna to meet UK & US regulations.  James Lockyer Associates arranged for a topographical survey and ground investigations to be carried out.  Initially a piled solution was recommended to prevent settlement, however a deep trench footing was adopted due to the nearby vibration-sensitive equipment.

Liaising with the MoD Base and American radome supplier, JLA carried out the structural design of the foundation, which consisted of a 950mm wide x 1700mm deep reinforced concrete ring beam of 50m circumference, with the top of the ring beam approximately 150mm above existing ground levels.  Provision was made for two access doors, with a concrete floor slab inside the radome and cabling for services extended into the structure.  The radome was to be fixed to the ring beam with anchor bolts and the reinforcement had to be positioned to avoid the bolt locations

  • Antenna
  • Reinforced Concrete Foundation
  • Reinforced Concrete Foundation
  • Reinforced Concrete Foundation
  • Finished Product