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§ 102-184 LA PORTE CODE (c) Any rubbish or debris which may constitute a fire hazard shall be removed to a distance of at least 100 feet from the vicinity of the wells, tanks and pump stations.All waste shall be disposed of in such manner as to avoid creating a fire hazard or polluting fresh water streams or underground strata. All waste disposal plans shall be approved by the planning director. (d) No open flame or arc welding shall be allowed inside the derrick substructure of a well prior to installation of the well head. (e) All temporary oil and gas flow lines laid upon or across a public road or highway must be buried to the depth required by permits issued under section 102-262. (f) An electric powered rig shall be utilized when available. (Ord. No. 1659, § 1(16-11), 8-14-89) Sec. 102-185. Pits. Either earthen or steel slush pits shall be permitted in connection with the drilling operation.If a steel pit is used,the pit and its contents shall be removed from the premises and the drilling site within 60 days after completion of the well.If an earthen slush pit is used, the slush pit shall be filled and leveled within 60 days after completion of the well.All drilling mud must be removed from the earthen pit prior to backfilling. (Ord. No. 1659, § 1(16-12), 8-14-89) Sec. 102-186. Casing. All casing,including surface protection and production strings, shall be new seamless steel, or equivalent quality oil well casing. Each joint and length of each particular casing string shall have,prior to setting,unconditionally passed a hydraulic test to ensure physical integrity at design working pressure. (Ord. No.. 1659, § 1(16-13), 8-14-89) Sec. 102-187. Setting and cementing casing. No well shall be drilled within the city limits without properly setting surface casing to a depth as approved by the state department of water resources. The surface casing must be driven or cemented by the pump and plug method.All other casing strings must be cemented by the pump and plug method with sufficient cement to completely fill all of annular space behind the casing string to the surface. No well shall be drilled within the city limits without properly setting surface casing a depth sufficient to protect producing fresh water sands. (Ord. No. 1659, § 1(16-14), 8-14-89) Sec. 102-188. Valves and blowout preventers. No well shall be drilled within the city limits without equipping the intermediate protective casing with at least one master valve and one fluid-operated ram type blowout preventer with mechanical operating backup; and without properly equipping the production casing during completion operations and workover operations with at least one master valve and at least one i CD102:12