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DOCKETS UNIT <br />PAGE. EIGHT <br />MARCH 24, 1987 <br />Response: <br />The City is not in a position to determine conversion or <br />operational costs for automatic or remote -control <br />shutoff valves on new or existing pipelines. <br />5. Proposal: <br />Require operators to determine and submit (to OPS) an <br />inventory, including specifications, of the types of <br />pipeline in their system. (HR 262) <br />Response: <br />In order for the OPS to develop a database necessary to <br />evaluate the possible development of trends or tendencies <br />towards failures among certain types of pipe, a complete <br />inventory is necessary. <br />Questions: <br />(a) What information should be submitted under the cate- <br />gory of "type" of pipeline? <br />Response: <br />Information that should be required to be submitted <br />should include, but not be limited to, name of <br />manufacture date of manufacture, type, e.g. seamless, <br />low or high voltage electric resistance weld, grade, <br />diameter and wall thickness. <br />(b) What are the benefits of requiring operators to submit <br />this information to OPS? <br />Response: <br />As stated in response to the general proposal, this <br />information would allow OPS to determine the development <br />of trend lines reflecting the level of safety of certain <br />types or manufacture of pipelines. <br />(c) Would the benefits outweight the costs of collecting <br />and submitting it, and of maintaining it? <br />Response: <br />In a single word, YESI The benefit to be achieved by <br />this effort would be to improve the ability of OPS to <br />protect• the public health, safety and welfare by <br />developing the ability to evaluate the safety of <br />( pipelines based upon the frequency of failure among <br />certain types or manufacture of pipelines. <br />