Canadian engineer . nderers werethe Forest City Paving and Construction Company, London,Ont., at $124,740, and Messrs. Pastoret & Lawrence, Duluth,Minn., at $126,588. Toronto, Ont.—The contract for the supply of T-rails foruse on the new civic car lines to be constructed on St. ClairAvenue, has been awarded to the United States Steel ProductsCo., Montreal. The T-rail tender is $35,996, 80 pounds tothe foot, and the girder rail tender for 90-pound rails is $43,-105- Other contracts for bars, etc., go to the Rail Joint Canada. Vancouver, —Tenders received for the widening ofthe approac
Canadian engineer . nderers werethe Forest City Paving and Construction Company, London,Ont., at $124,740, and Messrs. Pastoret & Lawrence, Duluth,Minn., at $126,588. Toronto, Ont.—The contract for the supply of T-rails foruse on the new civic car lines to be constructed on St. ClairAvenue, has been awarded to the United States Steel ProductsCo., Montreal. The T-rail tender is $35,996, 80 pounds tothe foot, and the girder rail tender for 90-pound rails is $43,-105- Other contracts for bars, etc., go to the Rail Joint Canada. Vancouver, —Tenders received for the widening ofthe approaches to the Main Street bridge were: Messrs. Mc-Kenzie, Broadfoot & Co., $7,495; T. R. Nickson & Co., $8,-635; La Placa Bros., $7,180. The last named was accepted. Vancouver, The contract for the construction of the south section of the Bridge Street trunk sewer has beenawarded to J. Shunn, Esq., of Vancouver, for $30, other bids were received. April i8, 1912. THE CANADIAN ENGINEER 61. Adding to the Life of Macadam Ordinary macadam belongs to the is not adequate to meet the demands ofmodern automobile traffic. It must be discarded or tarviated. A tarviated road costs a little more thanordinary macadam but lasts so much longerthat the addition of the Tarvia is more thanpaid for in the reduction of maintenance. Tarvia makes a firm elastic matrix aroundthe stone, filling all voids, excluding water, andresisting pulverization of the surface. For an old road that cannot be rebuilt orresurfaced, the sprinkling or surfacetreatment known as Tarvia B treatmentis hghly effective. One treatment will giveexcellent results for a season, or even longer,depending upon the amount of traffic. Thistreatment is quite inexpensive. Tarvia gets at the original causes of roadwaste and disintegration. Oils and otherdevices simply make the dust too heavy to have little or no bonding or preservativeproperties. Tarvia is made in three grades :— Tarvia X, for road c
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