ELEVATION MIDSTREAM WELD COUNTY USR APPLICATION ATTACHMENT D: USR QUESTIONNAIRE

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3 PLANNING QUESTIONS: PLANNER ON CALL X Explain, in detail, the proposed use of the property. Elevation Midstream, LLC. (Elevation) plans to build a Central Gathering Facility (CGF) to receive produced water and oil, and gas, from production well pads located proximate to the facility. The proposed throughput for this facility is 40,000 barrels per day (bpd) of oil, with the ability to expand to 60,000 bpd in the future. This oil is expected to be flash stabilized to reduce volatile organic compound emissions utilizing initially dual flash stabilization trains. An additional stabilization train (for a total of three trains) is planned. A total of 20,000 to 50,000 bpd of produced water is expected to be received and treated at an on site treatment facility, and then discharged from the facility. Elevation is also planning to build a 175 million cubic feet per day (cfd) Compressor Station (CS) with expansion capability to 350 million cfd to the south of the CGF. This facility would be located approximately ¼ mile from the proposed CGF and would be functionally independent of the CGF. Elevation has committed to restrict operations to within the currently identified disturbed area so long as such area is sufficient to comply with all federal, state and local regulatory requirements. This commitment is consistent with Elevation conversations with surrounding neighbors and residents. Under the current Colorado Oil and Gas Conservation Commission (COGCC) rules (Series 900) this facility will be considered a Centralized E&P Waste Management Facility due to the fact that the facility will receive produced water (defined as an extraction and production waste) from more than one production facility for treatment. Under the COGCC rules, Form 28 and other associated information must be submitted to the COGCC for approval prior to the beginning of construction. 2. Explain how this proposal is consistent with the intent of the Weld County Code, Chapter 22 of the Comprehensive Plan. The Weld County Comprehensive Plan addresses the presence of oil and gas deposits in the County and encourages the extraction of oil and gas resources that conserve the land and minimize the impact on surrounding land and the existing surrounding land uses. The proposed CGF and CS conserve agricultural land by eliminating the need for gathering facilities and an additional compressor site elsewhere in Weld County. The proposed use is consistent with the intent of Weld County Code, Chapter 22 of the Comprehensive Plan and any other applicable code provisions or ordinance in effect as outlined below: Section (D) emphasizes the Extraction of natural resources as an important part of the economy of Weld County. Such extraction operations should minimize the impacts on agricultural lands and agricultural operations. Section (A) states, Promote the reasonable and orderly exploration and development of oil and gas mineral resources. Section (B) strives to, Ensure that the extraction of oil and gas resources conserves the land and minimizes the impact on surrounding land and the existing surrounding land uses and outlines the objective to, Impose protective measures through available state, County and federal regulations to ensure that the mineral operator conducts operations in a manner that will minimize current and future environmental impacts. Section (A) states, continue the commitment to viable agriculture in Weld County through mitigated protection of established (and potentially expanding) agricultural uses from other proposed new uses that would hinder the operations of the agricultural enterprises. The proposed use will allow for the concentrated collection of petroleum products and process water from 1 P age

4 multiple oil and gas production wells located within the vicinity of the proposed project location, thereby centralizing oil and gas operations onto a parcel that is owned by Elevation and that is currently still being used for agriculture. A CGF and CS supporting a network of pipelines is the most orderly manner of transferring the developed gas resource within the vicinity of the project. The proposed CGF will contribute to the expansion of the County s economic base by providing increased capacity for future oil production. The proposed addition of a CS and electrical substation in this location conserves land by eliminating the need for these facilities elsewhere in Weld County. The agricultural use of the land outside of the facility footprints and vegetative screening shall remain unchanged, and viable agricultural land will be leased to a local farmer through contract agreement. 3. Explain how this proposal is consistent with the intent of the Weld County Code, Chapter 23 (Zoning) and the zone district in which it is located. Oil and gas facilities are allowed as a Use by Right in the A (Agricultural) Zone District; however, oil and gas support and service operations such as a central gathering facility and compressor station require the approval of a Use by Special Review Permit. The proposed use is consistent with the intent of the A (Agricultural) Zone District. Section (A)2 of the Weld County Code provides for Oil and Gas Support and Service. 4. Describe what type of land uses surround the site. Explain how the proposed use is consistent and compatible with surrounding land uses. The land uses surrounding the site consist of un developed agricultural land, dispersed residential, and industrial land. The proposed use is consistent and compatible with surrounding uses as the areas outside of industrial facility footprints and vegetative screening will be retained as active agricultural lands. 5. What are the hours and days of operation? (e.g. Monday thru Friday 8:00 a.m. to 5:00 p.m.) The Facility will receive, store, and transfer produced water, produced oil and residual hydrocarbons and solids 24 hours per day, 365 days per year. 6. List the number of full time and/or part time employees proposed to work at this site. The Facility will be staffed 24 hours a day, 365 days a year by three to five full time employees to include at least one Facility Operator for both the CGF and CS, a Lead Facility Operator, a Facility Foreman, and a fulltime Operational Control Center (OCC) Operator. Part time employees will be utilized on site on a limited as needed basis for maintenance and operational needs. 7. If shift work is proposed include the number of employees per shift. Two shifts per 24 hour period. Daytime operations to include at least one Facility Operator for both the CGF and CS, a Lead Facility Operator, a Facility Foreman, and a fulltime Operational Control Center (OCC) Operator. Nighttime operations to include at least one Facility Operator for both the CGF and CS, and a fulltime Operational Control Center (OCC) Operator. Part time employees will be utilized on site on a limited as needed basis for maintenance and operational needs. 8. List the number of people who will use this site. Include contractors, truck drivers, customers, volunteers, etc. Three to five full time employees. Occasional hydrocarbon tank truck (most products will be transported via pipeline). Delivery/UPS truck drivers (parts/equipment delivery) 2 P age

5 Periodic contractors (meter proving, vacuum truck, safety contractors, mechanics, electrical, operators) 9. If this is a dairy, livestock confinement operation, kennel, etc., list the number and type of animals. Not applicable. 10. Describe the type of lot surface and the square footage of each type. (e.g. asphalt, gravel, landscaping, dirt, grass, buildings). Landscape surface areas are identified in the provided Landscape Plan. Buildings and paving surface materials are identified on the Site Plan and impervious areas are included in the storm water detention calculations and detention pond volumes. 11. How many parking spaces are proposed? How many handicapped (ADA) parking spaces are proposed? Ten (10) to fifteen (15) parking spaces will be provided in front of the main entrance to the control building to facilitate adequate parking for employees and visitors. Two handicapped (ADA) parking spaces will be provided directly next to the main entrance. 12. Explain the existing and proposed landscaping for the site. The existing landscape is comprised of largely un developed agricultural land. Existing well pads and a portion of wetland area exists on the site. A few large cottonwood trees line Weld County Road 6 to the north. The proposed landscaping will utilize earthen berms and tree plantings for visual mitigation of the proposed facility from residential and street views. Trees will be planted on the earthen berms located directly next to the facilities and will be of various types including Deciduous Canopy, and Evergreen trees. These were chosen based on survivability for the area, fast growing, and the ability to withstand wind and drought conditions, as well as on the feedback from surrounding neighbors. In the landscaping plan, the trees being represented are the sizes Elevation plans to install on day (1) one. An irrigation system will be installed to provide adequate watering of all landscaping around the facility as these areas are key visual mitigation locations. Portions of the site will remain available for agricultural use. Existing trees are to remain where feasible. Proposed plant selection will consist of native and adapted species and will prioritize low water use varieties. Irrigated and/or non irrigated native grass seed application is anticipated at earthen berms and where existing grade is disturbed. 13. Describe the type of fence proposed for the site (e.g. 6 foot chain link with earth tone slats). The proposed facilities will be enclosed with a chain link fence approximately 6 to 7 feet high with a potential 3 foot outrigger and barbed wire as a security device for the life of the facility. Vegetative screening and/or landscaping will be installed as a visual barrier to nearby residents. Three or four rail decorative fencing may be used as a component of visual mitigation in areas along Weld County Road 6, and at key roadway intersections. 14. Describe the proposed screening for all parking and outdoor storage areas. If the site is located in a floodplain outdoor storage is restricted. Screening of parking and outdoor storage areas is proposed to consist of a combination of earthen berms, evergreen and deciduous tree planting, and fencing, where appropriate. Screening will be prioritized at high visibility edges where equipment is either closer to neighboring views or more visible due to the type of equipment. 15. Explain any proposed reclamation procedures when termination of the Use by Special Review activity occurs. 3 P age

6 Upon termination of the proposed project, all equipment would be removed, and the ground would be regraded to accommodate agricultural uses or be re vegetated to 80% of pre disturbance vegetative cover in accordance with the COGCC 1000 Series Rules. The pre disturbance vegetation cover shall be determined by the undisturbed surrounding area. Elevation would also be willing to evaluate the coordination of reclamation efforts with Weld County Extension, Weld County Public Works, and the applicable Soil Conservation District. 16. Who will provide fire protection to the site? Elevation has met and conferred with Brighton Fire Protection District as a main point of contact to discuss fire protection. In this area, Brighton Fire works in conjunction with Mountain View Fire Protection District and Ft. Lupton Fire Protection District. Brighton Fire has been in contact with Mountain View and Ft. Lupton to discuss firefighting measures. Attached is a preliminary Fire Protection Report and design of a fire foam system for the Stabilized Oil Tanks. Discussions continue to occur between Elevation and Brighton Fire. 17. List all proposed on site and off site improvements associated with the use (e.g. landscaping, fencing, buildings, drainage, turn lanes, etc.) and a timeline of when you will have each one of the improvements completed. All proposed on site improvements are depicted in the provided Site Plan and Landscaping Plan. These improvements will be completed before startup of the facility. After the improvements are in place, further discussions will be had with the surrounding neighbors to determine if additional landscaping or site improvements need to be made. Elevation will consider this feedback and strive to accommodate reasonable requests within the spirit of the landscaping plan. No off site improvements are planned. 4 P age

7 ENGINEERING QUESTIONS: X Describe how many roundtrips/day are expected for each vehicle type: Passenger Cars/Pickups, Tandem Trucks, Semi Truck/Trailer/RV (Roundtrip = 1 trip in and 1 trip out of site). Passenger Cars: up to six roundtrips/day Semi Truck/Trailer/RV: one roundtrip/day (deliveries) 2. Describe the expected travel routes for site traffic. Access to the site will be from Weld County Road 6 to an access road located on the western edge of the property, as depicted in the attached Site Plan (see Weld County Access Permit AP ). An access application is being submitted concurrent with this USR application for an access located on Weld County Road 6 approximately 550 feet west of the eastern edge of the property. 3. Describe the travel distribution along the routes (e.g. 50% of traffic will come from the north, 20% from the south, 30% from the east, etc.). 100% of traffic will come from the aforementioned access route. 4. Describe the time of day that you expect the highest traffic volumes from above. The highest traffic volumes would be expected at shift change when up to five employees may be entering or exiting the Site. 5. Describe where the access to the site is planned. Access to the site will be from Weld County Road 6 to an access road located on the western edge of the property, as depicted in the attached Site Plan. A copy of the existing access permit to the site is attached; a second access point is planned to accommodate Brighton Fire districts requests. 6. Drainage Design: Detention pond summarized in a drainage report is required unless the project falls under an exception to stormwater detention requirements per code section F.1. Separate Grading and Drainage Plans are included for both the CGF and the Compressor Station. A separate stormwater detention pond will be constructed at each facility; no exceptions are being met with either of the planned facilities. 7. Site plans have been provided for the central gathering facility, compressor station and water treatment facility; a full site break down and landscaping plan have also been provided. A. Does your site qualify for an exception to stormwater detention? If so, describe in a drainage narrative the following: Not applicable. B. Does your site require a stormwater detention pond? If so, the following applies: 1. A drainage report summarizing the detention pond design with construction drawings and maintenance plan shall be completed by a Colorado Licensed Professional Engineer and adhere to the drainage related sections of the Weld County Code. Included with application. 2. The drainage report must include a certification of compliance stamped and signed by the PE which can be found on the engineering website. Included with application. 3. A general drainage report guidance checklist is available on the engineering website. More 5 P age

8 complete checklists are available upon request. Included with application. 6 P age

9 ENVIRONMENTAL HEALTH QUESTIONS: X What is the drinking water source on the property? If utilizing a drinking water well include either the well permit or well permit application that was submitted to the State Division of Water Resources. If utilizing a public water tap include a letter from the Water District, a tap or meter number, or a copy of the water bill. No potable water supply is currently available nor proposed on the property. Non potable water wells located on the property will be used for building control. Fresh water for drinking will be brought in as bottles or via water service. 2. What type of sewage disposal system is on the property? A new Individual Sewage Disposal System (SDS) is being designed, for which the applicable permit will be obtained. The location of the SDS is depicted on the Site Plan and is intended to provide disposal from the main control building. 3. If storage or warehousing is proposed, what type of items will be stored? Elevation will have a control room building to include a maintenance warehouse where maintenance activities will be performed. Maintenance activities will include servicing valves, pumps, instruments, compressor components, etc. Additional storage for maintenance tools and spare parts will be provided in separate shipping containers to be stored on site. 4. Describe where and how storage and/or stockpile of wastes, chemicals, and/or petroleum will occur on this site. The following chemicals and/or petroleum products will be stored on site in the designated locations: Lube Oil: inside a tank in secondary containment and inside compressor buildings, Methanol: inside a tank in secondary containment, Water treatment chemicals: inside the water treatment building Oily rags, filters, contaminated soils: Waste Handling/Recycling Contact Information: Waste Management 2400 West Union Avenue Englewood, CO (303) Waste Handling Services: Portable Toilet Services: Redi Services 7601 Miller Drive #G Frederick, CO (720) Reliable Services nd Avenue Greeley, CO (970) Stallion Oilfield Services 7 P age

10 2116 E Hwy. 402 Unit B Loveland, CO (970) In the unlikely event of a motor vehicle oil leak (potentially during construction), Elevation will take appropriate measures to mitigate the effects of the spill/release. If a spill/release meets or exceeds any regulatory reporting criteria, Elevation will report the spill to the appropriate regulatory agency(s). Elevation s standard operating procedures in the event of a spill are to excavate the impacted soils and transport them to a licensed disposal facility. As appropriate, confirmation soil samples will be collected from the excavation for laboratory analysis. Laboratory analytical results will be utilized to demonstrate effective remediation to below the appropriate regulatory standards. The laboratory reports will be included in any written report to a regulatory agency. Following completion of the excavating activities, the area will be backfilled and returned to its pre release grade. No vehicles be washed on site. All Elevation and contractor activities will be operated in a manner that prevents spills and releases of crude oil, natural gas, produced water, and other wastes to the environment. Non routine waste (e.g. spills or releases) will be managed in accordance with Elevation s Emergency Response and Oil Spill Contingency Plan. Spills, as appropriate, will be reported to the proper regulatory agency(s). 5. If there will be fuel storage on site indicate the gallons and the secondary containment. State the number of tanks and gallons per tank. Not applicable. 6. If there will be washing of vehicles or equipment on site indicate how the wash water will be contained. Periodic maintenance necessitates the washing of equipment and equipment skids. Equipment inside buildings will have a drain system to capture and contain all wash water. The wash water will be removed from the drain sump via vacuum truck. Equipment on skids will have a built in catch basin to contain wash water. Wash water will be removed from the skids via vacuum truck. 7. If there will be floor drains indicate how the fluids will be contained. If a floor drain is required for the operations within any of the buildings, all fluids will be collected and directed through in floor piping to a low point sump. This in floor piping will be placed in a trench covered by grating. The piping and trench will flow towards the low point sump which will have secondary containment. 8. Indicate if there will be any air emissions. (e.g. painting, oil storage, etc.). See the attached Air Quality emission table from the Air Permit. 9. Provide a design and operations plan if applicable. (e.g. composting, landfills, etc.). Elevation plans to construct and operate two separate and distinct facilities near the intersection of Route(s) 6 & 15 in Weld County, CO. The first plant, the Badger CGF will be utilized as a central location for the Broomfield and Weld County development areas and will use a flash stabilization method as a base platform to process well fluids into saleable oil, gas and water product streams. The second facility will be a compressor station used to condition wellhead gas to pipeline specification. Central Gathering Facility Description The CGF will have the ability to process up to 60,000 barrels per day (bopd) of oil and associated recovered flash gas vapors, and up to 50,000 barrels per day (bwpd) of produced water. Produced oil from the gathering system trunk pipelines flows to the inlet separator where light ends are flashed out of the produced oil and bulk water is separated. The separated water combines with the other CGF sources to feed the water storage tanks, while the flashed vapor combines with the discharge of the electric LP compressors. The produced oil is then sent to the heater treater(s) for additional flash 8 P age

11 stabilization where sediment and water specifications are achieved. The produced oil from the heater treater(s) flows to a flash drum, where the sales oil RVP specification is achieved. Sales oil is then pumped from the flash drum into stabilized oil storage tank(s) where it will be pumped through Lease Automatic Custody Transfer (LACT) units and pipeline pumps to the sales point. The site will be equipped with intermediate off spec oil tanks and off spec pumps, which will serve as a surge volume for off spec oil from the LACT unit The produced water trunk line will flow to the inlet separator where light ends are flashed out of the produced water and separated. Water will be stored in the inlet water tanks where separation and skimming will send the oil to the off spec oil tanks for processing. The water will be pumped into a pipeline to a disposal facility. Provisions are made for a future water treatment plant for reuse and/or recycling. The inlet water tanks, off spec oil tanks and third party oil tanks will be vented to the high rate enclosed combustor (HREC). Compressor Station Description Produced gas from the gathering system trunk pipelines will flow directly to the compressor station where the gas will be compressed from 75 psig to 1250 psig. All compression will be electric drive rather than combustion engines and installed in a sound mitigating building. The produced gas will also be dehydrated (the removal of excess moisture) via an electric glycol (TEG) reboiler. The dehydration unit reboiler vent is routed to the compressor station enclosed combustor, while the dehydrated gas is metered and put into a 3rd party pipeline. Loading of Products Products will be transported off site via pipelines. 10. Provide a nuisance management plan if applicable. (e.g. dairies, feedlots, etc.). Below are summaries of the nuisance management and community communication plans Elevation will utilize to mitigate community impacts from the operations of the CGF and CS while proactively communicating with adjacent neighbors and landowners. Community Impacts and Mitigation Traffic The nature of this project greatly minimizes traffic into and out of the facility. With pipeline infrastructure feeding into the facility and carrying product away from the facility, truck traffic will be necessary only during times of maintenance or on rare occasions. There will be traffic during the construction phase of the project and we will keep all trucks on CR13 and CR6, both of which are paved roads. Light The lighting plan for the Centralized Gathering Facility focuses on reducing light pollution wherever possible. Utilizing feedback from the meetings we have already had with adjacent neighbors, we will keep lights focused downward and will use a warm, yellow color bulb versus a cool, bluer color bulb. Lighting during the construction phase of the project will be minimal as we will not be working during night hours. Noise After meeting with adjacent neighbors, noise is one of the biggest factors that we are committed to mitigating. Soil berms and trees strategically planted using data gleaned from a sound study will be main methods of sound mitigation. Most equipment that could emit noise, including compressors and their electric motors, will be enclosed in a sound buffering structure. The fact that we are committed to using electric motors in compression stations is itself tremendously helpful in mitigating noise. Any equipment that is not inside these structures will be equipment that does not require sound mitigation. Additional planned sound mitigation measures include orienting compressor coolers in such a way that all fans will be horizontal instead of vertically positioned. This drastically reduces the sound propagation toward the property boundary, thus pushing any sound away from neighbors. We also commit to working with our neighbors through continuous and ongoing communication to be sure noise is mitigated to the greatest extent possible. 9 P age

12 Dust Dust is likely an issue that could occur during the construction phase of the project, but should pose no impacts once the facility is operational. To the extent it is ever a factor, we have committed mitigating dust by spraying a fine mist of water that will prevent dust from becoming airborne and blowing toward our neighbors. The landscaping on the property will also assist greatly in preventing soil erosion. Communication Cards XTR and Elevation commit to taking contact cards to each of our adjacent neighbors with the following information: On Site Operations Team Contact Information General Company Contact Information 811 Call Before You Dig For any contacts to the company, we can commit that a representative will follow up within 24 hours, if not reached immediately. Proactive Communication For any planned activities on the site, a letter and will be sent to all adjacent neighbors letting them know about the activity, schedule and contact for any questions. Neighborhood meetings will also be utilized as necessary or requested. Reactive Communication For activities that occur without notice, an and text will be sent to our neighbors notifying them of the event and will contain contact information should they have additional questions. For any contacts to the company, a representative will follow up within 24 hours, if not reached immediately. 11. Additional information may be requested depending on type of land use requested. 10 P age

13 BUILDING QUESTIONS: JOSE GONZALEZ List the type, size (square footage), and number of existing and proposed structures. Show and label all existing and proposed structures on the USR drawing. Label the use of the building and the square footage. No buildings or other structures were observed on the Site, with the exception of equipment related to oil and gas extraction (e.g., pumpjacks, storage tanks, process equipment, etc.). The proposed CGF and CS facility is described above and depicted on the attached preliminary Site Plan. 2. Explain how the existing structures will be used for this USR? Not applicable. 3. List the proposed use(s) of each structure. Not applicable. 11 P age

14 VICINITY MAP REQUIREMENTS: The size of map is required to be 24 x36 (2 x3 ). Please add the items below to the USR map as they apply to your site. 1. Area including a one half mile radius of the property printed to a legible scale. 2. Section, township, and range. 3. Scale and north arrow. 4. Outline of the perimeter of the parcel. 5. The general classifications and distribution of soils over the parcel under consideration (soil classification names and agricultural capability classifications must be noted in the legend). 6. Locations and names of all roads, irrigation ditches, and water features. 7. Any abutting subdivision outlines and names, and the boundaries of any adjacent municipality. 12 P age

15 PLOT PLAN REQUIREMENTS (NO SURVEY REQUIRED, NEEDS TO BE DRAWN TO SCALE): The size of map is required to be 24 x36 (2 x3 ). Please add the items below to the USR map as they apply to your site. 1. One inch equals one hundred feet scale (1" = 100') or other scale as appropriate 2. Outline of the boundaries of the parcel(s) 3. Adjacent property lines 4. Public rights of way and/or easements within 200 feet of parcel boundary for telephone, gas, electric, water, sewer lines etc. 5. Show and label any existing and proposed structures (including above ground storage tanks) 6. Show and label location of areas of moderate or severe soil limitations 7. Show and label location of vehicle and/or equipment washing area 8. Show and label location, amount, size and type of any existing and proposed landscaping, fencing, walls, berms, or other screening 9. Show and label location, amount, size and type of any existing and proposed parking areas 10. Show and label the sign on the USR drawing include the height, face size, and setback 11. Show and label the location of all existing and proposed lighting, include details of the type of lighting 12. Show and label location of all hydrographic features including irrigation ditches, streams, rivers, ponds, and reservoirs 13. Show and label location of existing road Right of Way, future road Right of Way, and Easements 14. Show and label the unmaintained section line Right of Way as CR Right of Way is not County maintained 15. Show and label location of drainage related features (e.g. detention pond(s), ditches, etc.) Detention ponds shall be labeled as No Build/Storage Area and include design volume. 16. Show and label the drainage flow arrows showing how the stormwater flows across the property. 17. Show and label the traffic circulation flow arrows showing how the traffic moves around the property. 18. Show and label location of the access(es) and label with access permit number. 19. Show and label the access turning radii. Show 25 feet for passenger vehicles and 60 feet for trucks. 20. Show and label the approved tracking control. 21. Show and label the location of any floodplain boundaries. Include permit number, floodplain type, map panel number, and effective date. 22. Show and label the location of geological hazard. 23. Show and label the location of mineral resource areas. 24. Add any other relevant information about the property as may be reasonably required by the County to meet the intent and purpose of the Weld County Code, Chapter 23 (Zoning). 25. Add the USR map Certificate Signature Blocks (see following page): 1) Property Owner(s), 13 P age

16 2) Planning Commission, and 3) Board of County Commissioners 14 P age