Adjustable Prop User Guide page 1.psd
Contents
1. product user guide mialblely gt ne Adjustable Props MaE July 2012 Contents Page 1 Identification of Components Page 2 Installation Stacking and Handling Page 3 Usage and Safety Guidelines References General 1 Identification of Components Mabey adjustable props can be identified from the details below in which lengths weights and suggested working loads are given ae La i Extended o m Mabey Logo 3 35 242 3 35 24 2 on Collar S W L kN Loaded concentrically and upto 1 30 out of S W L kN Loaded upto 25mm eccentricity and 1 30 out of plumb Extended Lengths Extended Lengths Bearing plate The Load carrying capacity of the U Head is obtained by using the relevant Prop capacity see tables above Restraint wire P UWIRE Code P UHEAD Stem Weight 4 3 kg Page 1 of 3 product user guide mialblely ines ne Adjustable Props man July 2012 2 Installation When using the the U Head with the Mabey adjustable prop insert the stem of the U Head into the central hole in the head plate of the Prop making sure that the bearing plate of the U Head is fully seated onto the prop head plate Immediately after installing the U Head into the top of the adjustable prop secure the restraint wire around the prop tube This will prevent the U Head from falling out during use Needle beam ee ce ae To ensure concentric loading of the props the needle bea2. achieved These guidelines are purely advisory and only state some of the many working practices or conditions that may arise using props They should not be used to replace any existing safety procedures It is recommended that all personnel using vertical props familiarise themselves with these guidelines Ensure that all health and safety and regulations are adhered to Inspect all equipment before using and never try to use any damaged deteriorated props or U Heads Bent props should never be used Any damage to the U Head should be rectified and any parts replaced The restraint wire should be in full working order prior to being used Always ensure that props are fitted with the correct captive pins which are manufactured from high tensile material Any use of reinforcing rods tie rods or other materials may result in prop failure under load Captive pins are always available to order from your supplier Ensure the verticality of the prop during erection before loading using a spirit level or similar Be sure to inspect erected props before pouring begins and immediately after pouring has ceased When using the U Head always ensure that it is fully seated into the Prop head plate and the restraint wire is in place around the Prop tube If in any doubt always consult your prop supplier and never take risks Be sure to use the manufacturers recommended safe working loads relevant to the length of the props To enable correct distr
3. ibution of loads on props ensure that a solid footing is achieved and maintained Ensure that all props are kept truly vertical and that they are loaded concentrically To ensure stability all single vertical props should have sufficient bracing in the longitudinal transverse and diagonal directions Any re shoring procedures should be approved by a qualified engineer Timber bearers should be designed taking into account the type condition and allowable stresses of the timber and the supplier s recommended loadings In order to provide a safe system of work for erection installation dismantling it will be necessary to draw up a method statement It is advised that all such work should be carried out by suitably trained and experienced personnel 5 References Legislation The Health and Safety at Work Act 1974 The Management of Health and Safety at Work Regs MHSW 1999 The Construction Design and Management Regulations 2007 The Provision and Use of Work Equipment Regulations PUWER 1998 Work at Height Regulations 2005 HSE Guidance HSG 150 Health and Safety in Construction ISBN 0 717607550 A Guide to Managing Health and Safety in Construction 6 General Since our policy is one of continual improvement components may vary in detail from the descriptions given in this publication Page 3 of 3
4. ms should be placed centrally in the U Head as shown Timber AAN K wedge Timber wedges can be driven from either side of the bearer to ensure the loading i A is over the centreline of the prop These can be secured by nailing through the small holes in the sides of the U Head Nails 3 Stacking and Handling Mabey props should be carefully stacked either for transportation or for storage on site as shown Smaller quantities can be stored in post pallets ele lele lelelelele e U Heads are to be separately stored and transported in bins SooIsoooGo o dekeleieieieieiedie ie A suitable dry level firm area should be made available for storage on site Before attempting to sling check that the lifting equipment available on site is of sufficient capacity and suitable for the lifting operations Slinging should always be carried out by a suitably experienced and competent personnel DO NOT place any other equipment on a stack of props Stack of Props Max size 10 wide x 5 high on a timber dunnage During transportation ensure stacks of props are securely strapped to the lorry Page 2 of 3 product user guide ne Adjustable Props man July 2012 4 Usage and Safety Guidelines Adjustable Steel Props are used for many different applications The following general guidelines are recommendations that should be borne in mind with props to ensure adequate safety is
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