Former Steam Pumping Station And Oil Storage Tank, Scapa Flow Visitor Centre, Lyness, Hoy

1. Former pump house and oil storage tank, converted to the Scapa Flow Visitor Centre and Museum in 1990, and located next to Lyness Pier (see separate listing), part of a significant and large group of military structures at Lyness situated next to Scapa Flow.

PUMP HOUSE: 1937. 3 tall gabled ranges and 2 further axially aligned gabled ranges flanked by later low, full-width, lean-to ranges; square brick plinths formerly supporting 2 industrial stacks (see Notes). Steel frame construction with rendered brick walls, and thickened brick base course to cill height. Multi-pane metal windows with hopper openings. Roof (replaced 1980s) with profiled sheet metal cladding and retaining roof lights. The interior was seen in 2013 and is divided into 2 spaces containing pumping machinery dating to circa 1936-39. Boiler Room with hand operated fuel pumps, Worthington steam pump, 3 Wilsons of Glasgow Lancashire type boilers, 2 Worthington duplex boiler feed pumps and 2 centrifugal fans powered by Roby single cylinder vertical steam engines. Pump Room with 3 Worthing oil pumps, 2 Reader rotary engines and 2 Worthington condensers.

OIL STORAGE TANK AND BUND: 1937. Circular storage tank of riveted steel plates with exterior access stair and metal safety railing; associated bund (an earthen spillage containment bank), and surviving oil pipe connections.