Rectangular Sewers for Adoption (RSFA) Concrete Headwalls
RSFA Rectangular Headwalls are Sewers for Adoption compliant precast concrete headwalls for outfalls discharging into ponds, swales, ditches beaches and rivers. RSFA headwalls come with the option of two thicknesses of toe (300mm & 500mm) each of which is available in three depths. RSFA headwalls are supplied complete with Kee Klamp® Handrail to the back wall and horizontal sections of the wing walls, a galvanised steel access ladder and a self-closing gate with padlock facility above. The backwall of the headwall can accommodate correctly sized Sewers for Adoption compliant hinged outfall safety grille. All in accordance with Severn Trent Water Standard detail STD6002
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.