DGH0D4/3633/KTTristar D400 3 flange gully grate 360mm x 335mm clear opening with 100mm frame depth
SpecificationGeneral information
Standards, classes and groupings
Dimensions
Accessories
NotesThe D400 load capability of these Group 3 products also offers the benefit of making them suitable for exposure to Group 4 traffic types. Where 3-flange D400 Gully Grate assemblies are employed, we recommend that they are installed against a kerb, not in an open highway location. All values stated are nominal within 2.5% tolerance. Knowledge base
Knowledge Base / Access solutions / Standards and conformity CD 526 hydraulic capacity classifications A guide to the ‘P, Q, R, S & T,’ ratings are classifications listed in Highways England DMRB document CD 526 and how they are calculated to indicate a gully grating’s hydraulic capacity (or effectiveness at evacuating water from a hard standing area. e.g. carriageway). 
Knowledge Base / Access solutions / Standards and conformity Understanding BS EN 124 groups and classes BS EN 124:2015 divides access covers and gully grates into a number of classes by static test load. It also categorises the various places where they may be installed from Group 1 through to Group 6. This article will guide you through the groups and classes. 
Knowledge Base / Access solutions / Standards and conformity Sewers for adoption Sewers for Adoption (7th edition) contains guidance for the design and construction of sewers that will be adopted by Sewerage Undertakers in England and Wales in accordance with Section 104 of the Water Industry Act 1991. This helpful guide will take you through what you need to know. 
Knowledge Base / Access solutions / Product guidance On-site coating of ductile cast iron parts Where the loss of barrier coatings has occurred, usually through trafficking and/or light corrosion, a site-applied paint coating may be successfully brush-applied to refresh the surface finish of ductile iron parts. 
1. Wrekin Products Ltd is continually seeking to improve our products and therefore reserves the right to alter product specifications without prior notice. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
