The Hawke HRT frame is designed to fit into a core drilled hole or duct. Should the core drilled hole or duct be out of tolerance to accept the HRT then Hawke Transit system can supply a sleeve with exact internal dimensions to accept the HRT. The sleeve can be bolted or cast into the wall. If cables have already been installed an open version sleeve can be supplied.
For offshore applications where the HRT is required in a bulkhead or deck the Hawke Transit System can supply a sleeve that is welded into position.