2.2.1 Scrivener Dam Figure 2.2 Scrivener Dam just after construction in 1964. (Source NLA) Scrivener Dam, at the western end of the lake, was completed in 1963, impounding the waters of the to form Lake Burley Griffin. The dam is named after Robert Charles Scrivener (1855–1923), who Figure 2.3 Scrivener Dam just after construction in 1964. (Source: NLA) recommended the site for the National Capital in 1909. The German designed and of the dam are considered rare built ‘fishbelly, flap gates’ in and allow for a precise control of water level. This is important in a Figure 2.4 West Basin in 1964. (Source: recreational and ornamental lake, as good water-level control NLA) eliminates a between high and low water. The dam can ‘dead area’ withstand a 1 in 10, 000 (Annual Exceedence Probability) flood event. Figure 2.5 West Basin in 1964. (Source: The dam is a vital feature of the lake. crosses directly over the dam NLA) wall. The be seen on the lake side, as it is a water spillway wall can’t with five bays, 30 metres long with 5.5 metre high flaps. There is a line of red buoys in front of the dam wall preventing access to the spillway (Figures 2.2 and 2.3). 2.2.2 is the area to the west of the surrounded by beaches, mixed tree species and the limestone outcrops of . is enclosed by the landform of the and dominated by the of (described below). The shoreline surrounding the Basin from the around to is roughly circular in shape. The dominant architectural features of are the and the (Figures 2.4 and Figure 2.5).
2.2.1 Scrivener Dam Scrivener Dam, at the western end of the lake, was completed in 1963, impounding the waters of the to form Lake Burley Griffin. Figure 2.2 Scrivener Dam just after construction in 1964. (Source NLA) Figure 2.3 Scrivener Dam just after construction in 1964. (Source: NLA) Figure 2.4 West Basin in 1964. (Source: NLA) Figure 2.5 West Basin in 1964. (Source: NLA) The dam is named after Robert Charles Scrivener (1855–1923), who recommended the site for the National Capital in 1909. The German designed and built ‘fishbelly, flap gates’ of the dam are considered rare in and allow for a precise control of water level. This is important in a recreational and ornamental lake, as good water-level control eliminates a ‘dead area’ between high and low water. The dam can withstand a 1 in 10, 000 (Annual Exceedence Probability) flood event. The dam is a vital feature of the lake. crosses directly over the dam wall. The wall can’t be seen on the lake side, as it is a water spillway with five bays, 30 metres long with 5.5 metre high flaps. There is a line of red buoys in front of the dam wall preventing access to the spillway (Figures 2.2 and 2.3). 2.2.2 is the area to the west of the surrounded by beaches, mixed tree species and the limestone outcrops of . is enclosed by the landform of the and dominated by the of (described below). The shoreline surrounding the Basin from the around to is roughly circular in shape. The dominant architectural features of are the and the (Figures 2.4 and Figure 2.5).