Surespan manufactured a single leaf HLAC recessed access hatch to Queens Square in Crawley, part of a £3.2 million project. The 80mm access hatch to fit a structural opening of 1000 x 3500 is operated by hydraulic cylinders and a hand pump. The Operation will be by an electrically driven single power pack, including push button or key switch. Oil supply to the cylinders will be from a hydraulic mini-pack that can be remotely or locally sited. A retractable safety grid was also installed on three open sides, manually operated.
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