scope:

This technical specification applies to material content of paper traps which are fabricated from concrete, steel mesh and reinforcement for use in tube section station grounds. It also provides the requirements in respect of alternative designs.

If you are working within TfL, this technical specification applies to you, including LU staff, TfL engineering staff and all suppliers involved in the design, supply, and installation of paper traps.

Purpose

The purpose of this technical specification is to specify the material content of paper traps which are fabricated from concrete, steel mesh and reinforcement. It also provides the requirements in respect of alternative designs.