06-19-2003 Regular Meeting and Public Hearing of the La Porte Planning and Zoning Commission

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• • b. In cases where the State of Texas or Hams County shall have review powers, the use of steel pipe shall be governed by their requirements for said pipe. c. Where additional right-of--way has been acquired for future widening, the casing shall extend to each right-of--way line. (3) The approval of the design concept by the appropriate goven;miental agency befit the Texas.Department of Transportation or Hams County shall be sought, obtained and demonstrated to the City of La Porte before plans will be approved. 4. ]taihnad Crossings a. For mainline and spurline railroad crossings, the water line shall be ductile iron pipe which extends from right-of--way to right-of-way. Any deviation must be approved by the raihnad companies. b. Where there is no raihroad but a railroad owned easement or right-of- way, extend casing 17 feet either side from centerline of the right-of- way or easement. c. .The approval of the design concept by the raihroad involved must be sought, obtained and demonstrated to the City of La Porte before plans will be approved. 5. Additional Requirements a. Use isolated flange joints for transitions between two dissimilar metallic pipes. Isolate water lines from casing with spacers and supports. ~ . b. The carrier pipeline shall extend a minimum of 1-foot beyond the end of the casing to allow flanged joints to be constructed if necessary. 6. Oil and Gas Pipeline Crossings a. Use PVC pipe when crossing oil and gas transmission lines regardless of depth. All oil and gas pipeline crossings must have the approval of the company whose lines are being crossed. Maintain a minimum 2 foot vertical separation between the pipeline and the water line. On-site Fire Loops within Commercial Developments a. For commercial developments inside the City of La Porte and requesting on-site water mains, comply with the following requirements to allow maintenance and future repair operations if the City of La Porte will be the entity maintaining the water main: (1) If there is placement of structures, paved parking, paved private drives, or equipment pads over the installed water line then the owner shall agree to absolve and indemnify the City of La Porte from any pavement or structural damage caused by needed water line repairs. (2) Avoid at all costs laying any new water lines under proposed or existing pavement but where unavoidable, provide 20 foot wide longitudinal pavement joints along easement lines where the water line is located under driveway or street pavement. G. Auger Construction: Use the following general criteria for establishing auger, bore and jack, or microtunneling sections: Water System Design Criteria Page 8 of 12