Nye County Comptroller Accounting Contracts Finance Grants Purchasing

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1 Pahrump Office: 2101 E. Calvada Blvd., #200 Pahrump, NV Tonopah Office: PO Box Radar Road Tonopah, NV Nye County Comptroller Accounting Contracts Finance Grants Purchasing November 21, 2017 Request for Quotes Pursuant to NRS and Nye County Purchasing Policies and Procedures Manual, requests for quotes to perform the scope of work for the drilling of Methane Gas Monitoring Wells at the Round Mountain Landfill are hereby requested. Nye County is proceeding with soliciting quotes at/on the property as set forth above. Solicitation for quotes is as follows: 1. Quotes to perform the scope of work will be accepted by the County and must be submitted to Honey Strozzi via mail addressed to Nye County Purchasing Department, 101 Radar Road, Tonopah, NV 89049, via at or via fax on or before December 21, 2017 at 9 am. Quotes received after the deadline will not be accepted. 2. The selected vendor/contractor will be required to enter into a contract upon notification of selection. Terms to be included in the contract include but are not limited to evidence of $1,000, of liability insurance naming Nye County as insured and Workmen s Comp for employees, compliance with all applicable federal, state, local laws, permits and licenses, and compliance with applicable federal/state/local dust control laws and regulations, compliance with applicable federal/state/local laws and regulations regarding well drilling. A Notice to Proceed will be provided to the selected vendor/contractor. Work must begin within 10 calendar days from issuance of Notice to Proceed. 3. All work completed under this proposal shall be completed under the direct supervision of a Nevada-licensed well driller. The driller shall be responsible for filing the required Notices of Intent and well completion logs with the Nevada Division of Water Resources. Additionally, driller will provide Nye County with drilling logs and As-Built documentation for each well within 30 calendar days after completion. County will be responsible for Waiver Applications and Affidavits of Abandonment with the Nevada Division of Water Resources. 4. The scope of work for the drilling of Methane Gas Monitoring Wells as stated above includes but is not limited to: mobilization of personnel, equipment and supplies to the Round Mountain Landfill and drilling and installation of three landfill gas monitoring wells as described below. The location of the landfill is shown in Appendix A Figure 1. The locations for landfill gas monitoring well construction are shown in Appendix A Figure 2. Monitoring well construction details are shown in Appendix A Figure 3. Typical well head and probe valve completion configuration are illustrated in Appendix A Figure 4. The Contractor shall be responsible for providing all well construction materials. Nye County will provide access to the drilling site. Drilling water is not available at the site. The contractor shall provide for the disposal of all waste materials and shall leave the site in a neat and tidy condition. The Contractor shall furnish the necessary equipment for completion of the proposed scope of work. The equipment shall be the type and capability to complete the work in an efficient manner and shall be maintained in operable condition at all times. Page 1 of 2 Nye County is an Equal Opportunity and Employer

2 Construction of three (3) Landfill Methane Gas Monitoring Wells Drill hole in native alluvial soils; 3 at 20 depth Below Ground Surface (bgs). See Figure 3 in Appendix A for details. Install and label deep probe with end cap set in native soil at the base of the hole and screened interval (0.020-inch machine slotted Sch 40 ¾ PVC) set from 15 to 20 (20 ) feet bgs (provide for removable top cap to prevent material from falling inside probe) Backfill with pea gravel to 14 feet bgs Backfill with bentonite chips (or hole plug) to 12 feet bgs and hydrate Backfill with native soil to 11 feet bgs Install and label shallow probe with end cap set in native soil at 11 feet bgs and screened interval (0.020-inch machine slotted Sch 40 ¾ PVC) set from 6 to 11 feet bgs Backfill with pea gravel to 5 feet bgs Backfill with bentonite chips (or hole plug) to 3 feet bgs and hydrate Backfill with concrete to surface, set locking well monument (6 diameter) a minimum of 2 feet above ground surface, and finish 3 x3 x6 concrete pad at surface - top of concrete finished to drain away from monument. Backfill inside of monument to 12 inches below top with clean washed sand Install concrete-filled, red painted bollards (minimum 4-inch diameter) 1.5 beyond the concrete pads, on all four (4) sides at each well location. The bollards shall extend from a minimum of 4 feet Below Grade Surface (bgs) to 4 feet above ground surface, or as directed by the Project Engineer/Nye County. All project activities shall be performed during normal operating hours 8am to 4pm daily, excluding County holidays. Any deviations from this schedule must be approved by the Public Works Director prior to being implemented. A pre-construction meeting shall be held with representatives from Nye County Public Works and the Contractor prior to the start of the work. TBD. All work must be completed from January 2, 2018 to January 31, Quotes to include Attachment B - Schedule of Items and Prices. 6. County reserves the right to reject any and all quotes received by reason of this request for solicitation of quotes. Any questions regarding the Request for Quotes may be addressed to: Honey Strozzi, Nye County Purchasing Department at hstrozzi@co.nye.nv.us or Nye County is an Equal Opportunity and Employer

3 SRK Consulting (US) Inc Neil Road, Suite 300 Reno, Nevada T: (775) F: (775) Technical Memorandum To: Tim Carlo, Director of Public Works Date: November 16, 2016 Company: Nye County From: Breese Burnley, P.E. Copy to: Tim Dahl, Don Skalicky, Nye Co. Public Works Project #: Subject: Proposed Landfill Gas Monitoring Well Network Round Mountain Landfill This Technical Memorandum has been prepared to provide proposed locations and construction details for the proposed landfill gas monitoring well network at the Round Mountain Landfill. Monitoring wells will be constructed to provide for monitoring and control of explosive gas in accordance with Nevada Administrative Code (NAC) Operating criteria: Control of explosive gas. The location of the landfill is shown on attached Figure 1. The proposed locations for landfill gas monitoring well construction are shown on attached Figure 2. Monitoring well construction details are shown on attached Figure 3. A photograph of a similar wellhead and probe valve completion is included in attached Figure 4. In general, landfill gas monitoring wells will be constructed as follows: 1. Drill hole in native alluvial soils to 20 feet bgs: 2. Install deep probe with end cap set in native soil at the base of the hole and screened interval (0.020-inch machine slotted Sch 40 ¾ PVC) set from 15 to 20 feet bgs; 3. Backfill with pea gravel to 14 feet bgs; 4. Backfill with bentonite chips (or hole plug) to 12 feet bgs and hydrate; 5. Backfill with native soil to 11 feet bgs; 6. Install shallow probe with end cap set in native soil at 11 feet bgs and screened interval (0.020-inch machine slotted Sch 40 ¾ PVC) set from 6 to 11 feet bgs; 7. Backfill with pea gravel to 5 feet bgs; 8. Backfill with bentonite chips (or hole plug) to 3 feet bgs and hydrate; 9. Backfill with concrete to surface, set locking well monument (12 diameter) a minimum of 2 feet above ground surface, and finish 3 x3 x6 concrete pad at surface - top of concrete finished to drain away from monument; rbb/js NyeCo_RMLFGasWells_TechMemo_ _rbb_ _FNL.docx November 16, 2016

4 SRK Consulting (U.S.), Inc. Page Finish each probe installation with ¼-inch barbed PVC ball valve suitable for connection to Nye County s MultiRAE Lite wireless portable multi-gas monitor. The actual depth of each well and probe will be adjusted in the field based on drilling conditions and depth to bedrock. Additional wells may be required as the If you have any questions, please feel free to call me at (775) Sincerely, SRK Consulting (U.S.), Inc. 12/31/18 11/16/16 R. Breese Burnley, P.E. Principal Engineer rbb/js NyeCo_RMLFGasWells_TechMemo_ _rbb_ _FNL.docx November 16, 2016

5 Appendix A Round Mountain Landfill Methane Monitoring Wells Figures 1-4

6 O R E G O N McDermitt I D A H O N HUMBOLDT ELKO Gerlach WASHOE PERSHING Winnemucca Battle Mountain Elko Carlin Wells CARSON CITY DOUGLAS Reno STOREY Carson City LYON Lovelock LANDER EUREKA N E V A D A CHURCHILL Fallon Austin Eureka WHITE PINE Ely Gabbs MINERAL Round Mountain Hawthorne NYE Tonopah C A L I F O R N I A ESMERALDA U T A H LINCOLN CLARK Las Vegas A R I Z O N A ROUND MTN LANDFILL STATE HIGHWAY 378 STATE HIGHWAY 376 DESIGN: JS DRAWN: JS REVIEWED: RBB APPROVED: RBB IF THE ABOVE BAR DOES NOT MEASURE 1 INCH, THE DRAWING SCALE IS ALTERED PREPARED BY: PROJECT: consulting ROUND MOUNTAIN LANDFILL H:\Nye County\Landfills\ _Annual_Landfill_Support\040_Drafting\Task_0300_SiteCapacityReports\ LOC01.dwg DRAWING TITLE: DATE: LOCATION MAP GAS MONITORING WELL INSTALLATION SRK PROJECT NO.: FIGURE REVISION: --- DRAWING NO.:

7 N GW-1 OLD ROUND MOUNTAIN LANDFILL ACTIVE DISPOSAL AREA GW-3 GW-2 REV. REVISIONS DESCRIPTION DATE DESIGN: RBB DRAWN: JS REVIEWED: RBB PREPARED BY: consulting DRAWING TITLE: PROPOSED GAS MONITORING WELL LOCATIONS FEET H:\Nye County\Landfills\ _Annual_Landfill_Support\040_Drafting\Task_0300_SiteCapacityReports\ SPN01.dwg 200 FILE NAME: SPN01.dwg APPROVED: RBB IF THE ABOVE BAR DOES NOT MEASURE 1 INCH, THE DRAWING SCALE IS ALTERED PROJECT: ROUND MOUNTAIN LANDFILL DATE: GAS MONITORING WELL INSTALLATION SRK PROJECT NO.: FIGURE REVISION: --- DRAWING NO.:

8 1" min. CLEARANCE MIN. 6"Ø LOCKING STOVEPIPE CAP 30" min. STEEL STOVEPIPE PROTECTIVE HOUSING 3 ft. X 3 ft. CONCRETE PAD MAXIMUM DEPTH OF LANDFILL GAS MONITORING PROBES WILL BE BASED ON MAXIMUM DEPTH OF ADJACENT REFUSE 20 ft 11 ft 6 ft BENTONITE CEMENT GROUT TO SURFACE 3/4"Ø SCH. 40 SOLID PVC PIPE 1-2 ft. BENTONITE OR EQUIVALENT 3/8" PEA GRAVEL TO 1 ft. ABOVE SCREEN 5 ft. 3/4"Ø SCH SLOTTED PVC PIPE NATIVE SOIL BACKFILL 3/4"Ø SCH. 40 SOLID PVC PIPE 1-2 ft. BENTONITE OR EQUIVALENT 3/8" PEA GRAVEL TO 1 ft. ABOVE SCREEN 5 ft. 3/4"Ø SCH SLOTTED PVC PIPE 6" min. GAS MONITORING WELL N.T.S. NOTE: 1. Actual depths of screened intervals will vary depending on subsurface geology. 2. Individually identify both 11' and 20' probes upon completion. 3. Add 15' to all indicated depths for well GW-3. DESIGN: RBB DRAWN: JS REVIEWED: RBB APPROVED: RBB IF THE ABOVE BAR DOES NOT MEASURE 1 INCH, THE DRAWING SCALE IS ALTERED PREPARED BY: PROJECT: consulting ROUND MOUNTAIN LANDFILL GAS MONITORING WELL INSTALLATION H:\Nye County\Landfills\ _Annual_Landfill_Support\040_Drafting\Task_0300_SiteCapacityReports\ DET01.dwg DRAWING TITLE: DATE: SRK PROJECT NO.: GAS MONITORING WELL DETAIL REVISION: --- DRAWING NO.: FIGURE

9 PHOTOGRAPH 1. Typical surface completion - monument and concrete slab. PHOTOGRAPH 2. Typical probe completion - PVC ball valve with nipple. Figure 4 PROJECT NO DATE REVISION 10/2015 A Typical Landfill Gas Well Surface Completion

10 Appendix B Schedule of Items and Prices Item No. Description of Work Estimated Quantity Unit Unit Price Total Cost 1 Mob/Demob 1 LS $ $ 2 Gas Monitoring Well-Depth 20 4 EA $ $ 3 Gas Monitoring Well-Depth 35 1 EA $ $ 4 Bollard 20 EA $ $ 5 Contingency 1 LS $7, $7, BID TOTAL: $ 6 Total Daily Stand-By Rate Equipment and Crew EA $ $