Rectangular Sewers for Adoption (RSFA) Concrete Headwalls

The backwall of the headwall can accommodate a correctly sized Sewers for Adoption compliant hinged outfall safety grille. Althon RSFA precast headwalls are manufactured in accordance with Severn Trent Water Standard detail STD6002 for pipework up to 600mm All RSFA Headwalls are cast with the opening in the back wall to suit the size and type of pipe being used at the invert level required.