NEW PAYING MATERIAL.
Many residents in the city, remarks the “New Zealand Times” recently, have no doubt noticed that a considerable area of footpaths has lately been laid with black flagging in place of the light grey concrete flags which were formerly used, and the majority have probably concluded that they consist of the old flags, with the addition of a coat of tar. On visiting the Corporation yards it is found that these flags are made there in large numbers, and that the materials used consist of nothing beyond fine gravel or coarse sand, mixed with a sufficient quantity of hot tar to “ moisten ” it. This is put into a mould and compressed by means of a screw, after which it is put aside to set, which it docs within twenty-four hours, while concrete requires throe months. It has tho additional advantage that the cost is only half that of the concrete flagging, while broken pieces may also be made use of by remelting the tar. The invention was made by Mr Baird, the city engineer, who has already demonstrated that it is superior to all the other kinds of pavement which have been tried in this city.
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Bibliographic details
Globe, Volume XXII, Issue 2050, 18 September 1880, Page 3
Word Count
199NEW PAYING MATERIAL. Globe, Volume XXII, Issue 2050, 18 September 1880, Page 3
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