This Technical Report gives guidance for the assessment of conformity of vitrified clay pipe systems for drains and sewers including pipes, fittings, manholes, perforated pipes, jacking pipes and associated products by the establishment of voluntary third-party certification...
PURPOSE AND SCOPE National Safety Instruction four (NSI4) provides guidance to persons Senior Authorised under the National Grid safety rules with respect to minimum earthing requirements to help achieve safety from the system for specific work schemes on overhead line circuits. The...
Description Performance Requirements for Drain Air Gaps for Domestic Dishwasher Applications This standard covers devices for installation in the drain line of residential dishwashers, to prevent the backflow of contaminated liquid and entrained material into the dishwasher.
PURPOSE To establish a Center-level quality management system policy and program consistent with NPD 1280.1, "NASA Integrated Management System Policy" and to enable ISO 9001 and AS9100 registration of the Center's Integrated Management System....