![]() DBT0A4/3030Tristar Grade A surface box 300mm x 300mm clear opening with 100mm frame depth
SpecificationGeneral information
Standards, classes and groupings
Dimensions
Accessories
NotesAll values stated are nominal within 2.5% tolerance.Knowledge baseKnowledge Base / 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. 1. Wrekin Products Ltd is continually seeking to improve our products and therefore reserves the right to alter product specifications without prior notice. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||