Agricultural and forestry machinery. Safety requirements and testing for portable, hand-held, powered brush-cutters and grass-trimmers - Machines fitted with an integral combustion engine LONG_TITLE and specifies requirements for vitrified

and specifies requirements for vitrified clay pipes and joints for pipe jacking for buried drain and sewer systems for the conveyance of wastewater (including domestic wastewater

BS 7074-3 also provides examples of recommended procedure for the calculation of the size of expansion vessels

— thermal energy supply can be electricity

ISO 7765 should preferably be used

Analysis and testing of fire-resistance of horizontal protective membranes with BS EN 13381-1 can effectively prevent fire and hot fumes from spreading to other parts of the building/structure

Agricultural and forestry machinery. Safety requirements and testing for portable, hand-held, powered brush-cutters and grass-trimmers - Machines fitted with an integral combustion engine LONG_TITLE and specifies requirements for vitrified1 Scope This part of ISO 11806 gives safety requirements and measures for their verification for the design and construction of portable hand held, powered brush cutters and grass trimmers (hereafter called machines) having an integral combustion engine as their power unit and mechanical power transmission between the power source and the cutting attachment. Methods for the elimination or reduction of hazards arising from the use of these machines and