Backwall Height

Backwall height: 1300mm

Single or Multiple Pipe openings

Single or multiple pipe openings

Specifiable invert levels

Specifiable pipe invert levels

Maximum pipe size

Maximum pipe size:
600mm

Althon RSFA20 Angled Precast Headwalls are Sewers for Adoption compliant precast concrete headwalls for outfalls discharging into ponds, swales, ditches beaches and rivers. RSFA precast headwalls come with the option of two thicknesses of toe, 300mm and 500mm, each of which is available in three depths. 

Althon manufacture RSFA20 angled precast headwalls with three different wall profiles to suit the gradient of the bank as follows 1 : 1 slope, 1 : 2 slope and 1 : 3 slope.

RSFA angled precast concrete headwalls are typically 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 a correctly sized Sewers for Adoption compliant hinged outfall safety grille.

Althon RSFA20 angled 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.

If you require any assistance or more information please contact us by phone on 01603 488700 or by email sales@althon.co.uk

RSFA20B 01 2390 LH Angled Headwall

RSFA20B 01 2390 LH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 01 2390 RH Angled Headwall

RSFA20B 01 2390 RH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 01 3330 LH Angled Headwall

RSFA20B 01 3330 LH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 01 3330 RH Angled Headwall

RSFA20B 01 3330 RH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 05 3050 LH Angled Headwall

RSFA20B 05 3050 LH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 05 3050 RH Angled Headwall

RSFA20B 05 3050 RH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 05 3390 LH Angled Headwall

RSFA20B 05 3390 LH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 05 3390 RH Angled Headwall

RSFA20B 05 3390 RH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA20B 10 3690 LH Angled Headwall

RSFA20B 10 3690 LH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm back wall height 
  • Angled outfall with 1:3 wall profile
RSFA20B 10 3690 RH Angled Headwall

RSFA20B 10 3690 RH Angled Headwall

  • Up to 600mm Pipework
  • 1300mm back wall height 
  • Angled outfall with 1:3 wall profile