. Canadian engineer. re<*antilever arm wasproperly started aboutthe middle of April,1916, and at the timeof writing this article,the first pane! and ahalf, adjacent to themain pier, is practi-cally completed. It isexpected that the pro-gress of erection of thesouth shore cantileverarm will be approxi-mately as stated in theschedule on the fol-lowing page. The method of erec-tion of the south canti-lever arm is entirelythe same as that fol-lowed on the northcantilever arm, and,as noted above, it isexpected that thiswork will be finishedby the end of the firstweek in September,19111, when the
. Canadian engineer. re<*antilever arm wasproperly started aboutthe middle of April,1916, and at the timeof writing this article,the first pane! and ahalf, adjacent to themain pier, is practi-cally completed. It isexpected that the pro-gress of erection of thesouth shore cantileverarm will be approxi-mately as stated in theschedule on the fol-lowing page. The method of erec-tion of the south canti-lever arm is entirelythe same as that fol-lowed on the northcantilever arm, and,as noted above, it isexpected that thiswork will be finishedby the end of the firstweek in September,19111, when the bridgewill be in readinessfor the floating in andhoisting into place ofthe suspended suspended spanis a double-track,curved top chord span,640 feet long, 110 feet high and 88 feet wide, and weighsin the floating in condition approximately 5,000 tons. Thegreater part of the floor steel, being left off while the spanis being floated and hoisted into place, will be placed by -I THE CANADIAN ENGINEER Volume means of a derrick car after the span has been coupled upto llie ends of the cantile\cr arms. Schedule Showing Approximate Progress Expected inErection of South Shore Cantilever Arm. -Main Davs Date of Tons of steel panel. required. completion to be erected. 15-14 40 May loth 3,100 14-12 30 June 9th 2,650 12-10 22 July 1st 1,960 lG-8 16 July 17th 1,460 8-6 12 July 29th 1,300 0-4 9 Ausiust /til 850 4-^ 14 .August 21st 630 2-0 15 .SeptemlxT 5 th 650 Total 1^8 12,600 This span will be erected in the shallow waters ofVictoria Cove, on the north shore of the river, about threemiles below the bridge site, the work of erection proceed-ing simultaneously with that of the south shore canti-lever arm. The foundations for the falsework bents supportingthe trusses and approach track were prepared during the season of 1915 at the periods nl low tide. This work wasrather diliicult, considerable blasting having to be done,and could not be <arried on with any very great speed
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