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JIS B 8621 - Centrifugal water chillers
March 20, 2019 - JSA

This Japanese Industrial Standard specifies requirements for the centrifugal water chillers (hereafter referred to as chillers) which perform cooling or heating of water by the refrigerating cycle consisting of a centrifugal compressor, compressor driving motor, evaporator,...

ISO 22946 - Nuclear criticality safety — Solid waste excluding irradiated and nonirradiated nuclear fuel
January 1, 2020 - ISO

This document provides specific requirements and guidance on the nuclear criticality safety of waste containing fissile nuclides, generated during normal operations. This document is intended to be used along-side and in addition to ISO 1709. This document applies specifically to the nuclear...

DS/EN IEC 61857-32 - Electrical insulation systems – Procedures for thermal evaluation – Part 32: Multifactor evaluation with increased factors during diagnostic testing
December 10, 2019 - DS

This part of the 61857 series is focused on applications where other possible factors need to be incorporated to evaluate any influence on the performance of the EIS. Multi-factor evaluation is the most complex type of project to design and conduct. Clear guidelines are needed to give the user of...

ASCE GSP 320 - Geo-Congress 2020: Biogeotechnics
February 21, 2020 - ASCE

Preface This Geotechnical Special Publication (GSP), containing papers presented at Geo-Congress 2020 in Minneapolis on February 25-28, represents the first Geo-Institute publication dedicated solely to the emerging field of biogeotechnical engineering. Biogeotechnical engineering, or simply...

ASTM F3253 - Standard Specification for Crosslinked Polyethylene (PEX) Tubing with Oxygen Barrier for Hot- and Cold-Water Hydronic Distribution Systems
November 1, 2019 - ASTM

This specification covers requirements, test methods, and marking requirements for crosslinked polyethylene (PEX) tubing with a polymeric oxygen barrier layer, made in one standard dimension ratio (SDR 9), and distribution system components intended for hydronic heating and cooling applications up...

DS/EN 303-6 - Heating boilers – Part 6: Heating boilers with forced draught burners – Specific requirements for the domestic hot water operation and energy performance of water heaters and combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kW
August 12, 2019 - DS

This document is composed of two parts. The first part supplements EN 303-1, EN 303-2, EN 303-4 and EN 304, hereafter called boiler standards. It specifies the supplementary requirements and tests for the construction, safety, rational use of energy, fitness for purpose, classification and marking...

ASTM D5240/D5240M - Standard Test Method for Evaluation of the Durability of Rock for Erosion Control Using Sodium Sulfate or Magnesium Sulfate
January 1, 2020 - ASTM

This test method covers test procedures for evaluating the soundness of rock for erosion control by the effects of a sodium or magnesium sulfate solution on slabs of rock. It is an accelerated weathering test. The rock slabs, prepared in accordance with procedures in Practice D5121, are intended to...

IEC 61857-32 - Electrical insulation systems – Procedures for thermal evaluation – Part 32: Multifactor evaluation with increased factors during diagnostic testing
October 1, 2019 - IEC

This part of the 61857 series is focused on applications where other possible factors need to be incorporated to evaluate any influence on the performance of the electrical insulation system (EIS). Multi-factor evaluation is the most complex type of project to design and conduct. Clear guidelines...

Longwall Mining, 3rd Edition
November 18, 2019 - CRC

In the past 13 years since the publication of Longwall Mining, 2nd edition in 2006, although there have been no major changes in longwall mining technology and operations, many incremental developments in the whole system as well as various subsystems of the existing longwall mining operational...

DIN EN ISO 19892 - Plastics piping systems - Thermoplastics pipes and fittings for hot and cold water - Test method for the resistance of joints to pressure cycling (ISO 19892:2011)
December 1, 2018 - DIN

This International Standard specifies a method for testing the resistance of joints to pressure cycling. It is applicable to piping systems based on thermoplastics pipes intended to be used in hot and cold water applications.

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