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PAM SUMP PUMP INSTALLATION

	PAM AQUA PUMP (Single Sump & Pump kit with Alarm) (top)
	The site conditions or situation being encountered may well determine the positioning of the PAM Aqua Pump System. However, ideally it should be sighted at the lowest point of the room and or closest to the nearest point where water will be discharged. The most important thing is to make sure that water can get to the pumping station. Once the pump position has been established, dig a circular hole to a depth of 610mm (2ft) and to a width of 630mm (2ft 1”). (See also ‘undermining structures’)
	Fit the high water level alarm float switch sensor into the pre-cut hole provided within the wall of the sump basin and ensure that the (jaw) of the switch sensor is open and hangs downwards. NB: if the water discharge pipe from the pump is to be concealed below the floor, than a 1½” hole will need to be cut through the side of the basin. However, the position of this hole can only be determined once the sump basin has been offered into position, otherwise the discharge pipe can be taken through the lid of the basin.
	Lay a 50mm bed of 20mm stone in the base of the hole and insert the sump basin. Using a spirit level, adjust the top of the basin to the level of the finished floor level and then fill the sides of the sump basin with more 20mm stone. NB: If Platon membrane is being installed over the floor, then the 20mm stone will need to be levelled flush with the concrete base. However, when Platon membrane is not going to be installed over the floor, the 20mm stone should be kept 50mm lower that the finished floor in order that the edge around the sump basin can be made good with screed.
	Insert the Aqua Pump in the base of the sump basin and connect the water discharge pipe to the flexible coupling already attached to the pump. The discharge end of the pipe can be taken through a wall and extended to a gully outlet at ground/street level. Alternatively, the discharge pipe can be connected straight into a soil pipe using a ‘boss’ connection. Where a double pump installation is being used, one of the Aqua Pumps should be raised off the base of the sump basin approximately 25-30mm. A flat stone can be used to achieve this.
	Connect the wires from the float switch sensor to the wires of the water alarm using the bullet connectors provided. Then connect the pump/s power cable into a fused spur outlet and test the pump and alarm for working order. (See photos fig 52,53,54 & 55 illustrating in-situ sump pump)
	NB: If there is any concern as to whether there is a risk of de-watering the ground to a condition whereby the structure as a whole could or may be undermined, then advice should be sought from a chartered engineer.

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