2022-05-02_REVISION - M2014063 - Laserfiche WebLink

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EXHIBIT "A" Minimum Guidelines for Construction near Black Hills Energy Natural Gas Operated Pipelines and Facilities • The Encroaching Party shall, at the request of Black Hills Energy, incorporate Heath ATI "sniffer" Gas Detection Units in the design of paved areas or"Green Belt" areas of Black Hills Energy's Easement. The units shall be installed per Black Hills Energy Standard TYP-V-0100-B010 Gas Detection Unit for Pipelines Located Under Asphalt or Concrete Parking. • Any repair, cost or expense incurred by Black Hills Energy as a result of the Crossing or the Encroaching Party's operations will be at the sole cost. risk and expense of the Encroaching Party, and the Encroaching Party shall promptly reimburse Black Hills Energy, • The depth of cover over Pipelines in Black Hills Energy Easements shall not be reduced nor drainage altered without Black HMIs Energy's written permission • Construction of any permanent structure, building(s) or other obstructions within any Black Hills Energy Easement is not permitted • Planting of shrubs and trees is not permitted on any Black Hills Energy Easement • Irrigation equipment i.e. backflow prevent devices. meters, valves, valve boxes etc shall not be located on any Black Hills Energy Easement. • Foreign Crossings(gas,water electric and sewer lines)may cross perpendicular to Black Hills Energy's Pipeline,upon written permission from Black Hills Energy.provided that a minimum of four(4)feet of vertical clearance is maintained between Black Hills Energy Pipelines) and the foreign line or such additional clearance as may be necessary depending on the circumstances Constant line elevations must be maintained across Black Hills Energy's entire Easement width,gravity drain lines are the only exception Foreign Crossings below any Black Hills Energy Pipeline must be evaluated by Black Hills Energy to determine whether a significant length of the Black Hills Energy Pipeline will be exposed and unsupported during construction. When installing underground utilities, the last line should be placed beneath all existing lines unless it is impractical or unreasonable to do so Foreign Crossings above the Black Hills Energy Pipeline with less than four(4)feet of clearance must be reviewed and separately considered by Black Hills Energy Engineering to evaluate whether or if additional support may be necessary to prevent settling on top of the Black Hills Energy Pipeline • A foreign Crossing shall cross Black Hills Energy Pipeline(s)and/or facilities at as near a ninety-degree angle as possible A foreign Crossing shall not run parallel to Black Hills Energy Pipeline within any Black Hills Energy Easement without written permission from Black Hills Energy If permitted, a minimum clearance of ten (10')' shall be maintained unless separately approved in writing by Black Hills Energy Engineering and Operations • The Encroaching Party is advised that Black Hills Energy maintains cathodic protection on its Pipelines If applicable, the Encroaching Party must coordinate its cathodic protection system with Black Hills Energy. At the request of Black Hills Energy. the Encroaching Party shall install (or allow to be installed) cathodic protection test leads at all crossings for the purposes of monitoring cathodic protection The Black Halls Energy Cathodic Protection ("CP") technician and the Encroaching Party CP technician shall perform post construction CP interference testing. Interference issues shall be resolved by mutual agreement between the Encroaching Party and Black Hills Energy. All costs associated with the correction of cathodic protection problems on any Black Hills Energy Pipeline as a result of a Crossing shall be borne by and/or reimbursed by the Encroaching Party for a period of one year from date the foreign pipeline is put in service. • A metallic foreign line shall be coated with a suitable pipe coating for a distance of at least 10 feet on either side of Black Hills Energy's Pipeline unless otherwise requested by the Black Hills Energy CP Technician. • AC Electrical lines must be installed in conduit and properly insulated consistent with standard industry and best management practices. • PHMSA approved pipeline markers shall be installed so as to indicate the route of the foreign Crossing across the Black Hills Energy Easement • No power poles, posts of any kind, light standards, etc. shall be installed on any Black Hills Energy Easement. Reference. O&M Procedure Page 2 of 4 Distribution Local 10/17