Approved Document Guttering

Bs en 12056 3 and the building regulations approved document part h contain relevant design information to enable rainfall calculations to be undertaken and give design principles for gutters and downpipes.

Approved document guttering.

Specialist guttering companies can offer you advice on how to make sure your guttering meets building regulations. Today the trade association has a variety of design documents at the roofing professional s disposal and is working to get ed 1 approved as an edge design standard to be used for low slope metal perimeter edge components that include fascia coping and gutters. The l s sqm figures range from 0 016 to 0 022. This also includes the design and construction of sanitary pipework for waste removal from the likes of baths sinks basins and toilets.

Approved document h requires that paved areas slope away from the building for at least 500mm to divert surface water away from the wall. For eaves gutters the rainfall intensity is provided in a map of england wales shown in diagram 1 of section h3 of approved document h. The document provides advice on refuse storage of solid waste materials for dwellings waste disposal treating waste water pollution prevention and the use of appropriate separate drainage systems. They are set out in the government s approved document h which can be found here.

It is worth noting that 75mm hour is equivalent to 0 021l s sqm. Internal gutters linking internal outlet positions should be at least 500mm wide. It also sets out the rules for wastewater treatment systems cesspools and tanks and also how solid waste should be stored. The building regulations for guttering also apply to soffits and fascia boards.