Structural flooring design is in accordance with the recommendations of BS 8110 "The Structural Use of Concrete".
The standard Coltman precast concrete floor unit is designed for a mild exposure condition as defined in BS8110, other expose conditions can be considered subject to consultation with the Coltman Technical Department.
The standard Coltman precast concrete floor unit is designed to meet Class 3 serviceability requirements as described in BS 8110. Designs to Class 1 and Class 2 are available if required
The maximum permissible spans are dependant on loading conditions.