B1 pile plan, 1973
B2 first floor, 1973
B11 pile plan, 1974
B12 first floor, 1974 (2x)
B13 alternative plan with basement, 1973
B15 pile plan, 1974
B20k first floor, 1974
B20w first floor, 1974
B21s first floor floors, 1974
B22 boiler room floor, 1974