Page 172 - Forensic Structural Engineering Handbook
P. 172

THE FIRST STEPS AFTER A FAILURE           5.5






























                                            (a)

























                                            (b)
                FIGURE 5.1  Manhattan’s Times Square was immediately closed to the public after portions of
                this scaffolding and hoist at Four Times Square collapsed on July 21, 1998. Extensive protective
                measures and stabilization had to be installed before dismantling of the crippled scaffolding could
                even begin. (a) Protective netting being installed to help contain debris (b) Temporary outriggers
                cantilever out from the building to help prop up the scaffolding until it can be dismantled.
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