NLA Tower
Croydon, Surrey

The provision of access to this 82 metre high local landmark, known as the “Threepenny Bit”, proved to be exceptionally demanding, with the full Layher scaffold system costing £200,000, a third of the total contract value.

The very restricted plot and access road to the underground car park placed severe constraints on the positioning of the scaffolding. Having consulted the original Ove Arup drawings to assess the load bearing capacity of the foundations, the problem was solved by the use of a complex design involving structural beams and back props.

The winds encountered at height required the use of Monarflex protective sheeting, to both resist extreme wind loading and safely contain cleaning materials and debris from cutting out works.Once the scaffold was erected, the mosaic tile cladding and 800 aluminium windows were firstly cleaned. Structural concrete repairs were carried out and two types of mosaic were specially sourced from Japan for repairs throughout the building.

Repairs were undertaken to the main roof and asphalt was replaced to 96 balconies. The aluminium windows were fully overhauled and draught proofed.

For the redecoration, Keim mineral paint was used throughout.

The contract on this project allowed no scope for delay. A comprehensive specification was concentrated into a short time frame and included substantial out of hours work. The building was occupied by commercial tenants and particular care was taken to minimise potential disruptions of dust and noise at all times.

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