261. To improve the output of compressed air, described in detail in last year's report, additional compressors were ordered from the United Kingdom.
262. Owing to a considerable increase in various costs, in particular the cost of new plant from the United Kingdom, it was necessary to abandon the original scheme for the production of 800 tons per day of crushed stone at the new quarry proposed for Mt. Butler. However, work commenced and was at an advanced stage by the end of the year on a revised scheme for producing 400 tons per day. In making this reduction in the rate of production, the emphasis of design was placed on quality rather than quantity of the crushed stone and in particular of the bitumen macadam produced. In this respect experiments on the production of more durable road surfacing materials than at present produced were carried out. In view of successful results in using a denser mix, arrangements were also made for the modification of the existing plant concerned.
Street Lighting
263. The improvement and extension of public street lighting was continued and, while the net increase of 540 lamps was less than the previous year, a considerable number of low powered lamps were replaced by more modern and powerful fittings.
264. As previously, the programme of street lighting was based on a priority list completed in conjunction with the Commissioner of Police.
265. During the year orders were placed with the electricity companies for lamps to be installed in almost all remaining streets which require lighting or improvement to existing lighting.
266. For the first time 140 watt sodium lamps were included in the programme. This type of lamp, which gives a yellow or orange light, was installed along Stubbs Road from Tai Hang
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261. To improve the output of compressed air, described in detail in last year's report, additional compressors were ordered from the United Kingdom.
262. Owing to a considerable increase in various costs, in particular the cost of new plant from the United Kingdom, it was necessary to abandon the original scheme for the production of 800 tons per day of crushed stone at the new quarry proposed for Mt. Butler. However, work commenced and was at an advanced stage by the end of the year on a revised scheme for producing 400 tons per day. In making this reduction in the rate of production, the emphasis of design was placed on quality rather than quantity of the crushed stone and in particular of the bitumen macadam produced. In this respect experiments on the production of more durable road surfacing materials that at present produced were carried out. In view of successful results in using a denser mix, arrangements were also made for the modification of the existing plant concerned.
Street Lighting
263. The improvement and extension of public street light- ing was continued and, while the net increase of 540 lamps was less than the previous year, a considerable number of low powered lamps were replaced by more modern and powerful fittings.
264. As previously, the programme of street lighting was based on a priority list completed in conjunction with the Commissioner of Police.
.
265. During the year orders were placed with the electricity companies for lamps to be installed in almost all remaining streets which require lighting or improvement to existing lighting.
266. For the first time 140 watt sodium lamps were included in the programme. This type of lamp, which give a yellow or orange light, was installed along Stubbs Road from Tai Hang
54
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