Hog Cliff NNR Glebe Farm water supply troughs and trenching

Descriptions

Natural England requires the following works to install a water supply for livestock at Hog Cliff NNR near Maiden Newton, Dorset. 1. Supply and installation of 5,000 litre header tank. a. Header tank to be sited on levelled ground, with 4 inches of compacted type 2 stone and then 4 inches of concrete as base. 2. Supply and installation of 8 x 8ft 100 gallon concrete/galvanised steel livestock drinking water troughs. a. Stop taps to be fitted on all water troughs b. Troughs to be installed on level firm ground, using 2 concrete trough supports, with supports at either end to prevent (as far as possible) livestock moving the trough. c. Stop tap and above ground pipework to trough to be protected from livestock and frost damage with suitable protection/casing. 3. Installation and supply of pipework a. Provide suitable water linkage to current borehole pipework, including fitting of stop tap and water meter. b. Approximately 668 metres of buried/trenched pipe supply to header tank. c. Approximately 900 metres of buried/trenched pipe supply from header tank to troughs. d. Approximately 375 metres of above ground pipework. Pipework must be medium-density blue polyethylene (with a minimum external diameter of 25 mm). All joints must be made of brass or plastic and be watertight. Trench to be dug to a minimum depth of 600mm, width 300mm. Trench to be backfilled.