This is a sectional structure with rebated joint, assembled on site around the box culvert and locked together by means of stainless steel cast-in sockets and brackets provided. The Althon Culvert Headwall CH20C will accommodate box culverts with a maximum internal dimension of 1500mm wide x 1500mm high. Available with three standard backwall heights, 1.25m, 1.65m and 2.1m, with lifting points cast in to each wingwall for safe handling using Althon lifting clutches. Stainless steel sockets are provided for the attachment of gratings and special brackets are available for use with the anchorage system.
|Culvert Headwall Range||Max Internal Opening||A mm||B mm||Approx Weight (kg)|
|CH20C A||1500 x 800||1250||300||2600||CAD & PDF||Details|
|CH20C B||1500 x 1200||1650||700||3200||CAD & PDF||Details|
|CH20C C||1500 x 1500||2130||200||3600||CAD & PDF||Details|
|CH20C D||1500 x 800||1250||1150||3000||CAD & PDF||Details|
|CH20C E||1500 x 1200||1650||1150||3600||CAD & PDF||Details|
|CH20C F||1500 x 1500||2130||2030||4000||CAD & PDF||Details|
|CH20C G||1500 x 800||1250||652||3100||CAD & PDF||Details|
|CH20C H||1500 x 1200||1650||1052||3700||CAD & PDF||Details|
|CH20C I||1500 x 1500||2130||1532||4000||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.
Sales Team: 01603 488700