BS EN 1804-3:2020 pdf free.Machines for underground mines一Safety requirements for hydraulic powered roof supports一Hydraulic and electro hydraulic control systems. BS EN 1804-3 This document specifies the safety requirements for hydraulic and electro hydraulic control devices, including hydraulic valves and their control elements, valve combinations, control systems, pipes and hose assemblies, measuring devices, built-in pressure limiting and check valves in legs...
BS 6037-2:2020 pdf free
BS 6037-2:2020 pdf free.Planning, design, installation and use of permanently installed access equipment一Travelling ladders and gantries一Code of practice. BS 6037-2 This part of BS 6037 gives recommendations for the planning, design, installation, use, examination, maintenance and testing of permanently installed travelling ladders and gantries (TLGs) including equipment installed on a building to facilitate routine maintenance of the building fabric and...
BS EN 12715:2020 pdf free
BS EN 12715:2020 pdf free.Execution of special geotechnical work一Grouting. BS EN 12715 This document is applicable to the execution, testing and monitoring of geotechnical grouting work.Grouting for geotechnical purposes (geotechnical grouting) is a process in which the remote placement of a pumpable material in the ground is indirectly controlled by adjusting its rheological characteristics and by the manipulation of the...
BS EN 4842:2019 pdf free
BS EN 4842:2019 pdf free.Aerospace series - X5CrNiCu15-5 (1.4545)- Consumable electrode remelted (ESR or VAR) -Solution treated and precipitation treated (H1025)- Bar for machining-a or D≤250 mm -1 070 MPa ≤ Rm≤1200 MPa - Premium quality (pq). BS EN 4842 This document specifies the requirements relating to: X5CrNiCu15-5 (1.4545) Consumable electrode remelted (ESR or VAR) Solution treated and precipitation treated...
BS 10176:2020 pdf free
BS 10176:2020 pdf free.Taking soil samples for determination of volatile organic compounds (VOCs) Specification. BS 10176 This British Standard specifies methods for taking soil samples for the determination of volatile organic compounds (VOCs) to minimize the possible loss of VOCs to atmosphere during and after sample collection. Two principal ways of taking samples for VOC determination are specified: a) an...
BS ISO 22932-1:2020 pdf free
BS ISO 22932-1:2020 pdf free.Mining一Vocabulary,Planning and surveying. BS ISO 22932-1 mining plan integration of all information about a mining project, from geology, mining and metallurgy, to environment, security, society, etc,, with the specific goal to define a project's feasibility contingency plan strategy and set of actions for responding to a specific situation in which something goes wrong (spill, fire, natural...
BS EN 62841-4-1:2020 pdf free
BS EN 62841-4-1:2020 pdf free.Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery一Safety,Particular requirements for chain saws. BS EN 62841-4-1 Keep all parts of the body away from the saw chain when the chain saw is operating. Before you start the chain saw, make sure the saw chain is not contacting anything. A moment of inattention while operating...
BS EN 2566:2019 pdf free
BS EN 2566:2019 pdf free.Aerospace series - Fluorocarbon rubber (FKM) - Hardness 70 IRHD. BS EN 2566 1 Scope This document specifies the properties of fluorocarbon rubber (FKM)1), hardness 70 IRHD, for aerospace applications. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of...
BS EN 2320:2019 pdf free
BS EN 2320:2019 pdf free.Aerospace series - Aluminium alloy 2024-T4- Drawn bar- a≤75 mm. BS EN 2320 This document specifies the requirements relating to: Aluminium alloy 2024-T4 Drawn bars a≤75mm for aerospace applications.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,...
BS ISO 19897:2019 pdf free
BS ISO 19897:2019 pdf free.Ships and marine technology一Marine evacuation systems一Testing under conditions of icing. BS ISO 19897 1 Scope This document provides specifications for a test of marine evacuation systems (MES> under conditions of icing in support of the requirement in paragraph 6.2.2.1.8 of the International Life-saving Appliance (LSA> Code.2 Normative references The following documents are referred to in the...