CDS Research Ltd.
Centra Gas (Manitoba) Inc.
These steel tanks at Winnepeg's Wilkes Ave. peak-shaving station were decommissioned without problem; no structural defects were found (Fig. 1).
This concrete tank is the first in LPG service to be decommissioned (Fig. 2).[29,551 bytes]
The recent, first-ever decommissioning of a concrete storage tank in LPG service indicates the need for greater safety precautions for tanks that lack a vapor barrier in contact with the stored product.
Such precautions are particularly necessary if tank entry is contemplated without a...