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D400

Highway Surface Boxes

Highway D400 surface box is suitable for use in the carriageway. Featuring standard Highway features such as, indexed covers, enlarged frame corners and is 70+ PSRV tested.

Highway D400 surface box

Features

  • 70+PSRV tested at top surface of chequer by UKAS accredited 3rd party.

    PSRV tested
  • Indexed corners ensure correct orientation first time, every time.

    Indexed corners
  • The enlarged frame corners help to dissipate loads onto the foundation, providing a longer service life and increased reliability.

    Enlarged frame corners

Manhole covers - Square

Stock code Range Overall frame
(A x B)
Clear opening
(C x D)
Frame depth
(E)
Base opening
(F x G)
Datasheet My Wrekin
DBT0D4/4428/KH Highway 680 mm x 515 mm 445 mm x 280 mm 100 mm 465 mm x 300 mm
Related case study

Years of exceptional performance

Our Highway D400 covers are still operating at full capacity after three and a half years of being subjected to high levels of HGV traffic. Meaning the organisation can focus solely on new work, rather than being distracted by manhole covers that have failed prematurely and need fixing or, in some cases, reinstalling.

Scottish Water
Scottish Water
Read the full Case Study
Related case study

Clicklift saves housing development time and money

Clicklift has proven to be a huge success, after being installed as part of a £50m housing development in north east Scotland. The developers, family-run Guild Homes (Tayside) Ltd, have been so impressed that they have demonstrated the product to construction colleagues - and intend to use it in further developments.

Guild Homes (Tayside) Ltd
Guild Homes (Tayside) Ltd
Read the full Case Study