Single Width (SW) tower 07.5m wide x 3.0m long with platform level installed at 1.2m height
Extra Full Width (EFW) tower 1.8m wide x 3.0m long x 2.0m high, erected with guard rail and internal ladder.
Extra Quad Width (EQW) tower 3.0m wide x 3.0m long with platform installed at 2.4m height. The EQW configuration with its broader base area can also be used on some installations in place of outriggers and ties.