Assistance is being given by the Road Research Laboratory in England and by specialists from the bitumen producing companies.
263. A steel bridge was constructed across Connaught Road Central, between Blake Pier and the General Post Office Building to transport mail bags. This bridge has a span of 80 feet, a width of 10 feet and carries a belt conveyor system which was designed and installed by the Electrical & Mechanical Office. This eliminates the practice of hand-carting mail bags across Connaught Road and prevents interference with traffic.
Quarries
264. The Government quarries, which are operated by Roads Office direct labour, continued to meet the demands of the Public Works Department for crushed stone, fines and bituminous macadam throughout the year although the quantity of broken stone used showed considerable increase over previous years.
265. During the year an entirely new quarry was opened on Mount Butler to replace the quarry at Tsat Tze Mui, which had become a nuisance to the surrounding development.
266. The plant for the new quarry was largely constructed by the staff of the Office. Conveyors and steel gantries were erected by direct labour. Stone crushing plant and bituminous mixing plant were also installed. Office and store buildings were erected by contract and the work of constructing quarters for a large number of the quarry staff was commenced as this area has no public transport.
267. The quarry will be able to produce 250 tons of bituminous macadam in a normal working day.
268. The transfer of plant and operations from Tsat Tze Mui to Mount Butler was carried out with very little interruption to the production of materials. The new quarry commenced operating in December and was in full production by the end of the year.
The new plant was designed to produce a dense mix bituminous surfacing and a total of more than 1,000 tons was laid during the year on roads and junctions subject to exceptionally heavy traffic.
49
Assistance is being given by the Road Research Laboratory in England and by specialists from the bitumen producing com- panies.
263. A steel bridge was constructed across Connaught Road Central, between Blake Pier and the General Post Office Building to transport mail bags. This bridge has a span of 80 feet, a width of 10 feet and carries a belt conveyor system which was designed and installed by the Electrical & Mechanical Office. This eliminates the practice of hand-carting mail bags across Connaught Road and prevents interference with traffic.
Quarries
264. The Government quarries, which are operated by Roads Office direct labour, continued to meet the demands of the Public Works Department for crushed stone, fines and bituminous macadam throughout the year although the quantity of broken stone used showed considerable increase over previous years.
265. During the year an entirely new quarry was opened on Mount Butler to replace the quarry at Tsat Tze Mui, which had become a nuisance to the surrounding development.
266. The plant for the new quarry was largely constructed by the staff of the Office. Conveyors and steel gantries were erected by direct labour. Stone crushing plant and bituminous mixing plant were also installed. Office and store buildings were erected by contract and the work of constructing quarters for a large number of the quarry staff was commenced as this area has no public transport.
267. The quarry will be able to produce 250 tons of bitu- minous macadam in a normal working day.
268. The transfer of plant and operations from Tsat Tze Mui to Mount Butler was carried out with very little interrup- tion to the production of materials. The new quarry commenced operating in December and was in full production by the end of the year.
The new plant was designed to produce a dense mix bituminous surfacing and a total of more than 1,000 tons was laid during the year on roads and junctions subject to exceptionally heavy traffic.
49
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