South and east elevations of Buildings 2 and 1 (2014)

West elevation of Building 2 (2014)

First floor of Building 2 (2014)

Buildings 1, 2, 3, 5, and Sewerage Test House (2014)

East elevation of Building 3 (2014)

West elevation of Building 3 (2014)

First floor of Building 3 (2014)

North and east elevations of Building 4 (2014)

East elevations of Buildings 1 and 5 (2014)