... Vanguard class nuclear submarines which carry Trident missiles required extensive modification to the VSEL shipyard and port at Barrow-in-Furness and £2 billion worth of new loading and maintenance facilities at Coulport and Faslane in Scotland. Work at Barrow included a new shipbuilding hall, a 24 000 t...

... to be modified to prevent contamination. The essence of the modification was the addition of water-flushed Chesterton seals and the replacement of stiff Walker seals by the more flexible Merkel seals. The original and new systems are shown on Fig. 12. 40. In October 1991, whilst maintenance work was being...

...J K BANYARD; R E COXON; T A JOHNSTON RESERVOIRS RECONSTRUCTION DAMS LANDSLIPS COMPLETION MODIFIED MODIFICATION CONTRACTS FAILURES PROJECTS SLIPS HYDROLOGY SPECIFICATIONS METHODS MEASUREMENT COSTS LIAISON CONTRACTORS CONSULTANTS ENGINEERS MONITORING IMPOUNDING PROGRESSIVE...