BS EN 1519-1:2019 pdf free.Plastics piping systems for soil and waste discharge(low and high temperature) within the building structure - Polyethylene (PE).Requirements for pipes, fttings and the system. BS EN 1519-1 The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only...
BS EN 934-6:2019 pdf free
BS EN 934-6:2019 pdf free.Admixtures for concrete, mortar and grout.Sampling, assessment and verification of the constancy of performance. BS EN 934-6 The sample shall be composed of sub-samples from 6 packages (bags) or if the total number of packages (bags) is less than 6, from all packages (bags). The sub-samples are to be taken from packages (bags) distributed at random...
BS ISO 10802:2020 pdf free
BS ISO 10802:2020 pdf free.Ductile iron pipelines一Hydrostatic testing after installation. BS ISO 10802 At all stages of testing, the planned sequence and any variation of operations shall be controlled to avoid danger to personnel. All personnel shall be clearly informed of the intensity of the loading on temporary fittings and supports and the consequences if failure occurs. Prior to the...
BS EN 50397-1:2020 pdf free
BS EN 50397-1:2020 pdf free.Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV AC and not exceeding36 kV AC. BS EN 50397-1 This document contains the requirements for covered conductors with or without integrated longitudinal water tightness and/or semi-conductive conductor screen for applications in overhead lines with rated voltages U above 1 kV a.c....
BS EN 13953:2020 pdf free
BS EN 13953:2020 pdf free.LPG equipment and accessories一Pressure relief valves for transportable refillable cylinders for Liquefied Petroleum Gas (LPG). BS EN 13953 Hot stamped brass shall be non-porous and shall be suitable for machining or other processes.Sand-cast brass shall not be used. Leaded brass shall be CW614N, in accordance with EN 12164, or CW617N in accordance with EN 12420 or...
BS 8580-1:2019 pdf free
BS 8580-1:2019 pdf free.Water quality - Risk assessments for Legionella control - Code of practice. BS 8580-1 This British Standard gives recommendations and guidance on Legionella risk assessment relevant to water systems. It is applicable to any undertaking involving a work activity or premises controlled in connection with a trade, business or other undertaking where there is potential for exposure...
BS ISO 6721-11:2019 pdf free
BS ISO 6721-11:2019 pdf free.Plastics一Determination of dynamic mechanical properties.Glass transition temperature. BS ISO 6721-11 This document specifies methods for determining a value of the glass transition temperature (Tg) from the dynamic mechanical properties measured during a linear temperature scan under heating conditions. The glass transition temperature is an indicator of the transition from a hard and relatively brittle glassy state...
BS ISO 20921:2019 pdf free
BS ISO 20921:2019 pdf free.Textiles - Determination of stable nitrogen isotope ratio in cotton fibres. BS ISO 20921 1 Scope This document specifies the determination of the ratio of nitrogen isotopes in cotton fibres that are used for textile production. It applies not only to cotton textiles but also to raw cotton taken from cotton fields. 2 Normative references There...
BS ISO 13739:2020 pdf free
BS ISO 13739:2020 pdf free.Petroleum products一Procedures for the transfer of bunkers to vessels. BS ISO 13739 1 Scope This document specifies procedures and requirements for the transfer of bunkers to vessels involving bunker tankers, road tankers and shore pipelines. It is applicable to pre-delivery, delivery and post-delivery checks and documentation. 2 Normative references The following documents are referred to in...
BS ISO 20887:2020 pdf free
BS ISO 20887:2020 pdf free.Sustainability in buildings and civil engineering works一Design for disassembly and adaptability一 Principles, requirements and guidance. BS ISO 20887 This document provides an overview of design for disassembly and adaptability (DfD/A) principles and potential strategies for integrating these principles into the design process. This document provides information for owners, architects, engineers, and product designers and manufacturers to...