Sorry disagree, a marquee is a prefabricated structure.
“construction work” means the carrying out of any building, civil engineering or engineering
construction work and includes—
(c) the assembly on site of prefabricated elements to form a structure or the disassembly on
site of the prefabricated elements which, immediately before such disassembly, formed a
structure;
“structure” means—
(a) any building, timber, masonry, metal or reinforced concrete structure, railway line or
siding, tramway line, dock, harbour, inland navigation, tunnel, shaft, bridge, viaduct,
waterworks, reservoir, pipe or pipeline, cable, aqueduct, sewer, sewage works, gasholder,
road, airfield, sea defence works, river works, drainage works, earthworks, lagoon, dam,
wall, caisson, mast, tower, pylon, underground tank, earth retaining structure or structure
designed to preserve or alter any natural feature and fixed plant;
(b) any structure similar to anything specified in paragraph (a);