The Appraisal is for a range of Class A/B and Class D/E rubber sealed, solid top, cast ductile iron access covers and frames for utilisation in water and sewer systems and includes circular, square and rectangular access covers. Ducast access covers and frames are manufactured in accordance with AS 3996:2019 Access covers and grates.
Ducast access covers and frames are manufactured in accordance with AS 3996:2019 Access covers and grates.
The access covers have a skid resistant 4 mm raised pattern on the lid and incorporate U shaped EPDM seals and four Grade 316 A4-70 M10 hold down Allen bolts.
The Ducast access covers are designed with a tongue and groove arrangement to ensure that the covers cannot be incorrectly located within the frame after removal and replacement. This ensures accurate alignment of the hold down bolts.