The AH12C A RH Headwall is a two part Pcc Headwall that allows water to discharge at a 45 Deg. angle, the Environment Agency’s preferred method when discharging into a watercourse. The AH12C A RH Headwall also complies with ‘Sewers for Adoption’ guidelines.
The AH12C A RH is available with a backwal height of 1300mm and two toe thickness options both available in three depths. The AH12C A RH option can accommodate Twin Wall or Pcc Pipe up to & including 750mm ID.
|AH12C RH Angled Headwall Range||Max Pipe Opening (I.D) Plastic/C'ware||Max Pipe Opening (I.D) PCC||A mm||B mm||Approx Weight (kg)|
|AH12CA RH No Toe||750||750||1300||0||3025||CAD & PDF||Details|
|AH12CA RH 400 x 300mm Toe||750||750||1300||400||3975||CAD & PDF||Details|
|AH12CA RH 650 x 300mm Toe||750||750||1300||650||4575||CAD & PDF||Details|
|AH12CA RH 950 x 300mm Toe||750||750||1300||950||5285||CAD & PDF||Details|
|AH12CA RH 500 x 500mm Toe||750||750||1300||500||4405||CAD & PDF||Details|
|AH12CA RH 750 x 500mm Toe||750||750||1300||750||5095||CAD & PDF||Details|
|AH12CA RH 1000 x 500mm Toe||750||750||1300||1000||5785||CAD & PDF||Details|
Althon Headwalls offer a cost effective alternative to in-situ structures for connecting pipework discharging into open water courses.
All drainage pipes discharging into open watercourses, such as swales, ditches, ponds and rivers, should be fitted with an appropriate Althon headwall.