This report provides guidance to enable water undertakers to carry out effective investigations, repairs and waterproofing of underground service reservoirs with improved quality and increased cost effectiveness.Waterproofing and Repair Manual R. Ashley Johnson ... In some cases the girders were tied together with wrought iron rods. ... In some cases waterproofing was laid on the roof as part of the original construction. ... In some instances (and as recently as 1956), a layer of puddled clay was laid on the roof, a typical thickness being 9 inches (225 mm); ... Another form of construction was filler joist, with the joists closely spaced (400-600 mm) and built into the concrete roof slab, the latteranbsp;...
|Title||:||Underground Service Reservoirs|
|Author||:||R. Ashley Johnson|
|Publisher||:||Thomas Telford - 1995-01-01|