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DavidR on Doorsheet Reinforcement

By: DavidR@fast.net [39] 5 Stars
Date: Wednesday, January 18, 2017
Time: 7:37:07 AM

It may be worth noting that during construction, it is fairly common to leave out a two-ring doorsheet for crane access especially or larger tanks or where site access around the tank is limited. The crane is used from the inside to pick and place upper ring steel and stays there for most of the cone roof structure. At or near the end of the job the crane moves out and those two shell plates are installed. These openings are often not braced and do not hinder the erector from maintaining API tolerances on the tank construction.

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