Planning
As early as 1931, a Marine Commission recommended removing Ripple Rock, but it was not until 1942 that the government authorized attempts to remove it. There was political opposition to the destruction of Ripple Rock, as some felt it would serve well as a bridge support to connect Vancouver Island to the mainland.
The first attempts at planting explosive charges on Ripple Rock were made with floating drilling barges with the goal of blasting away the rock in pieces. The first, in 1943, was secured with six 3.8 cm steel cables attached to anchors that altogether weighed 998 metric tons. This approach was abandoned when one cable broke on average every 48 hours. Another attempt in 1945, involving two large overhead steel lines was similarly abandoned after only 93 (out of 1500 planned) controlled explosions were successful.
In 1953, the National Research Council of Canada commissioned a feasibility study on the idea of planting a large explosive charge underneath the peaks by drilling vertical and horizontal shafts from Maud Island in the sound. Based on the study, this approach was recommended. Dolmage and Mason Consulting Engineers were retained to plan the project, and three firms, Northern Construction Company, J.W. Stewart Limited, and Boyles Brothers Drilling Company, were granted the contract, which ended up costing in excess of 3 million Canadian dollars.
Although not planned as a test for nuclear weapons purposes, this large underground explosion at Ripple Rock was of interest to nuclear weapons scientists at the United Kingdom's Atomic Weapons Research Establishment at Aldermaston, which sent a delegation to Canada and set up various monitoring instruments to record data from the explosion. Little more is known of their objectives, although there are detailed accounts in two declassified documents in the National Archives, London
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Famous quotes containing the word planning:
“In the planning and designing of new communities, housing projects, and urban renewal, the planners both public and private, need to give explicit consideration to the kind of world that is being created for the children who will be growing up in these settings. Particular attention should be given to the opportunities which the environment presents or precludes for involvement of children with persons both older and younger than themselves.”
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