Aboveground Storage Tanks Part 3

Topic I: Fundamentals State common reasons for taking aboveground storage tanks out of service. Define the terms decommissioning a tank and recommissioning a tank. List the four main stages of a decommissioning and recommissioning operation for an aboveground storage tank and list the major steps for each stage. Topic II: Safety and Environmental Concerns Define the following terms: pyrophoric material cold work hot work and confined space entry. Describe major safety and environmental concerns associated with decommissioning and recommissioning an aboveground storage tank. Describe the use of a formal permitting procedure during the decommissioning and recommissioning of an aboveground storage tank. Topic III: Decommissioning a Tank Define the following terms: isolating blocking in and blind. Describe the major steps involved in a typical example of taking an aboveground storage tank out of service. Topic IV: Preparing a Tank for Entry Describe the major steps in a typical example of preparing a decommissioned aboveground storage tank for entry by personnel. Topic V: Working on a Decommissioned Tank Describe the tasks typically performed while an aboveground storage tank is out of service. Describe an operators main responsibilities when a decommissioned tank is being cleaned and repaired. Identify special safety concerns that apply when a decommissioned tank is being cleaned and repaired. Topic VI: Recommissioning a Tank Describe the major steps that are typically involved in returning a decommissioned aboveground storage tank to service. Explain what water testing is.