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.. s <br />Alcohol & <br />Gambling <br />Enforcement <br />Bureau of <br />Criminal <br />Apprehension <br />Capitol Security <br />Driver & Vehicle <br />Services <br />Emergency <br />Management/ <br />Emergency <br />Response <br />Commission <br />State Fire <br />Marshal/ <br />Pipeline Safety <br />State Patrol <br />Traffic Safety <br />MLNNLSOTA <br />PUBLIC SAFETY <br />Itite <br />Office of Pipeline Safety <br />444 Cedar Street, Suite 147, St. Paul, Minnesota 55101 -5147 <br />Phone: 651 /296 -9636 FAX: 651.296.9641 TTY: 651/282 -5555 <br />Internet: http / /www.dps.state.mn.us <br />Mr. Glen Hageman <br />2444 Mcmenemy Street <br />Little Canada, MN 55117 <br />Dear Mr. Hageman: <br />August 1, 2002 • <br />Regarding your inquiry about development setbacks, I have enclosed a copy of a letter <br />forwarded to all units of local government, school districts, architects and engineers <br />regarding the state model setback ordinance from pipelines. Minnesota Statutes 299J and <br />the Rules adopted under Chapter 7535, require that no building and places of public <br />assembly be located any closer to the pipeline than the boundary of the easement. Local <br />units of government may however, adopt an ordinance more restrictive. The City of <br />Maplewood has required a minimum of 100 -foot setback from any pipeline with a <br />diameter of 6 inches or more. <br />In addition, the Rules require that an area of "public assembly" mean a site that is occupied <br />by 20 or more persons on at least five days a week for ten weeks in any 12 -month period. <br />The days and weeks need not be consecutive. This Rule would prohibit development of <br />active recreation areas, ball fields, playgrounds, etc. over the pipeline easement. Any <br />development near a pipeline easement must allow sufficient room for access by emergency <br />vehicles and repair vehicles in the event of a pipeline rupture. <br />Research conducted by the Transportation Research Board, in Special Report 219, <br />"Pipelines and Public Safety ", referencing an American Petroleum Institute study showed <br />that " two- thirds of the deaths and damage and three - fourths of the injuries caused by <br />liquid pipeline failures took place within 150 feet of the point of discharge ". These results <br />suggest that a minimum of 150 feet from existing or proposed pipelines would provide a <br />reasonable safety margin. As I mentioned, the U.S. Department of Transportation will <br />conduct additional research in the near future as well. <br />1 hope this information will be useful in your planning activities related to the housing <br />development setbacks. <br />If you need additional information related to pipeline design or our inspection program <br />please do not hesitate to contact me at 6;51-296-9638 or our Chief Engineer, Ron Wiest at <br />651- 296 -5123. ' <br />Sincerely, <br />'rd/a /t• / AP <br />Charles R. Kenow <br />Administrator <br />EQUAL OPPORTUNITY EMPLOYER <br />