Manufacture and design detail
  • Complies with H.A. drawing detail MCX0815.
  • Aggregates to BS EN 12620.
  • Cement to BS EN 197-1. Minimum content 400kg/m3.
  • No drilling or cutting required for 110mm ducting
  • Grade C50 mix design.
  • Manufactured to meet Design Chemical Class 4, as defined in BRE Special Digest 1 ‘Concrete in aggressive ground’ Part 4: Design guides for specific precast products.
  • Cast-in plastic encapsulated steps to BS1247.
  • Pre-coated with two coats of black bitumen available on request - special order.
  • Wall units contain handling reinforcement.
  • Cover slabs designed to Highway Loading BS5911 pt. 200.
  • Base Unit to H.A. specifications.
  • Concrete backfilling unnecessary in normal use.

Highways Agency Concrete Duct Cable Chambers

IDS precast concrete units provide the ideal method of constructing draw pit chambers both rapidly and economically.

Designed to comply with Highways Agency specifications type A and type B concrete duct cable chambers, our chambers are manufactured to the highest standard and are virtually maintenance free.

Other Highways Agency specification chambers are available, please contact IDS for further details.

Type A Chamber

Type A Concrete Chamber

Type A Chamber

Type B Concrete Chamber