To aid your playground planning here is a guide to using the plans and information featured on www.playdale.co.uk Impact Area (Layer 02): The area that can be hit by a user after falling through the falling space. Free height of fall under 1.5m 1.5m 1.6m 1.7m 1.8m 1.9m 2.0m 2.1m 2.2m 2.3m 2.4m 2.5m 2.6m 2.7m 2.8m 2.9m 3.0m falling space: The space in, on or around the equipment that can be occupied by a user falling from an elevated part of the equipment. Extent of impact area 1.5m 1.5m 1.57m 1.63m 1.70m 1.77m 1.83m 1.90m 1.97m 2.03m 2.10m 2.17m 2.23m 2.30m 2.37m 2.43m 2.50m The extent of the impact area is dependent on the free height of fall. If the free height of fall is between 0.6m and 1.5m the extent of the impact area = 1.5m. If free height of fall is between 1.5 and 3m, the extent of the impact area increases proportionately according to the adjacent table. Note 1: Extent of impact area must allow for movement of equipment i.e. chains and ropes at full stretch. Note 2: Impact areas for specific types of equipment i.e. swings, slides, runways, carousels and rocking equipment have different requirements from the above. Extent of loosefill safer surfacing required for this unit, also the minimum area required. loosefill area (layer 04): The space in, on or around the equipment that can be occupied free space (Layer 10): by a user undergoing a movement forced by the equipment (i.e. swinging, sliding, rocking). If loosefill surfacing is used it must be installed to a layer thickness of 100mm more than the thickness found to give sufficient Critical Fall Height (CFH). This is to allow for displacement through use. All loosefill materials specified by Playdale have been tested to BS EN 1176 and give sufficient CFH for 100mm thickness, therefore in excess of 200mm is specified (250mm). CFH: Critical Fall Height: The limit of free height of fall for which the surfacing provides acceptable levels of impact absorbency. 1) If free height of fall is over 600mm, surfacing giving a sufficient CFH is required. 2) Surfacing giving a sufficient CFH, i.e. exceeding the free height of fall of the unit must cover the whole of the impact area. 5) Any play equipment, regardless of fall height, should not be installed directly onto concrete or tarmac unless a risk assessment is carried out and shows it to be acceptable (this may depend on the type of equipment). 276 BS EN 1176 and BS EN 1177 safer surfacing requirements: 3) If free height of fall is below 600mm equipment can be installed on grass or a wear and tear surface. 4) If the existing grass is of good quality and meets certain criteria following assessment by a competent person the grass can be used as an impact absorbing surface with CFH of 1.5m LAYER LAYER 01 LAYER 02 LAYER 03 LAYER 04 LAYER 05 LAYER 06-08 LAYER 09 LAYER 10 ON THIS LAYER UNIT WETPOUR (IMPACT) LAYER RUBBER TILES (1m x 1m) LOOSEFILL AREA UNIT SPACING BOUNDARY NOT USED SAFAGRASS TILES (1m x 1.5m) FREE SPACE Line used to enable correct spacing of more than one unit. unit spacing boundary (Layer 05): Playdale’s guidelines on spacing of play units to BS EN 1176: Area required should be taken as the loosefill edging board shown on plans. Equipment should be positioned a minimum of 1.8m away from fencing, walls, trees, etc. Fencing, walls, trees, etc MUST NOT be inside the impact area. This means that fencing around high fall height units need to be more than 1.8m away from equipment. Impact areas areas adjacent units CAN overlap. Free spaces of two MUST NOT overlap. and impact Unit spacing boundaries MUST NOT overlap. The unit spacing boundary has been positioned 1.25m from the extremity of the equipment, allowing for movement. Therefore two linked units will be at least 2.5m apart. Please note that the above rule does not apply to Adventure Trail units, which are designed to be linked by log walks. Edging Rule 1: Raised edging MUST be positioned outside the impact area and a minimum of 1.8m from the extremity of the equipment, allowing for movement of moving parts, i.e. chains, ropes, etc. Rule 2: Flush edging should be positioned outside the impact area and a minimum of 1.0m from the extremity of the equipment, allowing for movement of moving parts, i.e. chains, ropes, etc. Tel: 015395 39770 enquiries@playdale.co.uk www.playdale.co.uk Technical Information Pagina 275

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