Atch_1_Rainwater_Basin_Wells_SOW.pdf

STATEMENT OF WORK

TO

21-003 HARVARD AND ATLANTA WPA PUMPS

AT

RAINWATER BASIN WETLAND MANAGEMENT DISTRICT

I. GENERAL CONDITIONS

A. The Contractor shall provide all material, equipment, and labor required to install two new wells, abandon the existing wells, and connect the new wells to the existing system.

B. The existing wells were constructed in the 1960s and exceed their lifespan. This project will replace these wells.

C. Access to site is difficult. The Contractor is recommended to visit the site to understand the conditions and limitations it may cause on the Contractor.

D. The Contractor shall be responsible for installing all materials described in Section

VIII.

E. The Prime Contractor shall have all certificates and licenses required by law for the execution of the work, and shall comply with all Federal, State, or local laws, ordinances, rules, regulations, and codes relating to performance of the work.

F. Typical working hours are 7:30 am to 4:00 pm Monday through Friday. Any work that deviates from this schedule or during a holiday requires Contracting Officer approval. These times can be negotiable during the pre-construction meeting.

G. Any conflict or overlap of State of Nebraska, EPA, OSHA, and other applicable

Federal, State, and local regulations, the Contractor shall follow the most stringent provision.

H. Additional groundwater and geological studies can be found at:

1. https://pubs.usgs.gov/wsp/1468/report.pdf

2. https://pubs.usgs.gov/sir/2014/5218/

3. https://catalog.data.gov/dataset/digital-map-of-the-saturated-thickness-of-the-high-plains-aquifer-in-parts-of-kansas-ne-1996-97

I. Safety

1. The Contractor shall assume full responsibility and liability for compliance with all applicable Federal, State, and local regulations pertaining to the protection of workers, visitors to the site, and persons occupying areas https://pubs.usgs.gov/wsp/1468/report.pdf https://pubs.usgs.gov/sir/2014/5218/ https://catalog.data.gov/dataset/digital-map-of-the-saturated-thickness-of-the-high-plains-aquifer-in-parts-of-kansas-ne-1996-97 https://catalog.data.gov/dataset/digital-map-of-the-saturated-thickness-of-the-high-plains-aquifer-in-parts-of-kansas-ne-1996-97 adjacent to the site, including the provisions of 29CFR1910 and 29CFR1926 of the Code of Federal Regulations. The Contractor shall hold harmless the

Government for failure to comply with any applicable safety or health regulations on the part of himself, his employees, or his subcontractors.

2. Every Contractor employee shall be responsible for complying with applicable safety requirements, wearing prescribed safety equipment, and preventing avoidable accidents and property damage.

3. The Contractor shall provide and maintain a basic first aid kit for use of the workers. The kit shall contain first aid supplies in type and quantity commensurate with type and size of project and the work force, with items necessary for first aid treatment of all injuries. The Contractor shall advise all workers of the location of first aid supplies.

4. The Contractor shall post the telephone numbers of nearest hospital, ambulance service, and fire station in a conspicuous location. The

Contractor shall advise all workers of the location of telephone numbers.

Communication devices shall be made available and be ready at the work site to alert others in case of emergencies.

5. The Contractor shall provide at least one nonfreezing type fire extinguisher in each field office, workshop, work site, and storage shed at the work site. These fire extinguishers shall be placed in locations readily accessible by workers.

II. WORK SITE CONDITIONS

A. The site of the work is at Rainwater Basin Wetland Management District.

B. The work shall not occur between March 21 through May 11 and October 1 through

November 21.

C. The Atlanta Pump is located in the Atlanta WPA.

D. The Harvard Pump is located in the Harvard WPA.

E. The two well locations are over 70 miles away from one another.

F. The Contractor is expected to coordinate an utility locate, one-call, prior to work.

G. Protection Environmental

1. Pollution Control

a. The Contractor shall abate and control all environmental pollution arising from construction activities by complying with all applicable

Federal, State, and local laws and regulations concerning environmental pollution control and abatement, as well as the specified requirements in this contract. The Refuge Manager, or his designee, will inspect the site regularly for compliance.

b. Compliance with this requirement by any and all subcontractors shall be the responsibility of the Contractor.

2. Prevention of Water Pollution

a. During construction the Contractor shall comply with all applicable

Federal, State, and local laws and regulations concerning the control and abatement of water pollution.

b. The Contractor's construction activities shall be performed by methods that will prevent entrance or accidental spillage of solid and/or liquid matter, contaminants, debris, and other objectionable pollutants and wastes into streams, flowing or dry watercourses, lakes, ponds, and underground water sources. Such pollutants and wastes include, but are not limited to, refuse, garbage, cement, concrete, sanitary waste, industrial waste, radioactive substances, oil and other petroleum products, aggregate processing tailings, mineral salts, and thermal pollution.

c. At the completion of construction, the Contractor shall remove and dispose of all pollutants, wastes, and objectionable material at a site located off the Government property.

d. The Contractor is responsible for the proper disposal of such materials in accordance with applicable local, State, and Federal regulations.

e. Sanitary facilities, such as chemical toilets, shall be located far enough from wells, live streams, or ponds to prevent water pollution.

3. Noise Pollution

a. The Contractor shall comply with all applicable Federal, State and local laws, temporary use permit, orders, and regulations concerning the prevention, control, and abatement of excessive noise.

4. Solid Waste

a. The Contractor shall dispose all non-hazardous waste in an EPA approved landfill.

b. The Contractor shall remove any dust, dirt, and debris caused during the construction process.

5. Hazardous Waste

a. The Contractor shall comply with applicable Federal, State, and local laws and regulations concerning the abatement, handling, removal, and disposal of hazardous waste.

b. The Contractor’s abatement activities shall be performed by methods that will prevent accidental spillage of solid material, contaminants, debris, and other objectionable pollutants and wastes into streams flowing or dry water-courses, lakes, ponds, and underground water sources.

H. Environmental Litigation

1. Time lost due to work stoppage because of failure of the Contractor to comply with these requirements may not be the subject of a claim for extension of time or for costs or damages.

I. Fossils and Cultural Materials:

1. Should the Contractor discover any fossils or cultural materials during construction operations, such objects shall become the property of the

Government. The Contractor shall cease construction operations in the area of the "find," and immediately notify the station manager of such discovery.

Construction operations may proceed in other areas not affected by this clause. Care shall be exercised by the Contractor not to damage or collect fossils or cultural materials uncovered during excavation operations.

2. Failure to comply with this requirement may be considered a violation of the

Archeological Resources Protection Act of 1979 as amended. Destruction of historic and prehistoric sites and/or unauthorized collection of cultural materials can result in criminal and/or civil penalties. Penalties can include fines, prison sentences, and/or confiscation of equipment.

III. TEMPORARY FACILITIES AND CONTROLS

A. Temporary Utilities

1. The Harvard WPA site does have access to electricity and non-potable water with no charge or metering. The Contractor shall supply a porta-john.

2. The Atlanta WPA site does not have access to electricity and non-potable water. The Contractor shall supply a porta-john.

3. The Contractor shall be responsible for the daily removal and disposal of all debris from demolition and construction activities.

B. Site access and equipment storage areas

1. All Contractor operations (including storage of materials) upon

Government premises shall be confined to areas authorized or approved by the Refuge Manager, or his designee.

2. The Contractor shall restore all work and storage areas and areas disturbed by construction to their original condition, or as approved by the Refuge

Manager, or his designee, upon completion of the work

3. The Contractor shall observe all laws and regulations of the local, county, and State authorities in the use of all public roads and highways for the transportation of materials and equipment in connection with work on the project.

4. The Contractor shall observe all overhead obstructions such as bridges, cables, ect. The Contractor shall repair damage to roads, highways, overhead obstructions, and similar items, resulting from operations performed in connection with this project.

C. Protection and Restoration:

1. The Contractor shall protect all structures and vegetation during the progress of the work and remove all debris and unused materials from the site.

2. Upon completion of the work, the Contractor shall restore, at their expense, all vegetation to its original condition, including the replacement any facility or landscaping which has been damaged.

3. The Contractor shall limit removal of any vegetation to that which interferes with the construction, and shall seed any disturbed soil with native grass. The Contractor shall obtain the seed mix from the Refuge Manager.

D. Traffic Regulation

1. If traffic regulation is required at the jobsite, the Contractor shall provide, erect, and maintain all necessary barricades, suitable and sufficient flasher lights, flagmen, danger signals and signs, and shall take all necessary precautions for the protection of the work and the safety of the public.

2. Roads closed to traffic shall be protected by effective barricades on which shall be placed acceptable warning signs.

a. All barricades and obstructions shall be illuminated at night and all lights shall be kept burning from sunset until sunrise.

3. Install appropriate traffic signs at crossroads and approaches to site as needed to direct all affected traffic. Specific sign and barricade requirements are detailed in ANSI D61, "Manual on Uniform Traffic Control Devices."

E. Delivery and Storage: Material shall be delivered to the site in a dry and undamaged condition and stored out of contact with the ground. Materials shall be covered with weather tight covering and kept dry. Storage accommodations shall provide good air circulation and protection from surface staining, when appropriate.

IV. MEANS AND METHODS

A. The Contractor will complete a well permit with the local Natural Resource District and pay the well permit application fee ($50 for Atlanta WPA and $50 for Harvard

WPA). The Contractor is expected to complete all other required paperwork.

B. Means and methods of construction shall be such as the Contractor or subcontractors may choose; subject, however, to the Contracting Officer's right to reject means and methods proposed which:

1. Constitute a hazard to the work, persons, or property.

2. Will not produce finished work according to the terms of the contract.

3. Are contrary to specified means or methods included in the contract.

B. The right to reject means and methods of the Contractor or subcontractor shall not be construed or interpreted as acceptance of control of means and methods by the

Contracting Officer.

C. The Contracting Officer's approval of means and methods or failure to exercise right to reject means and methods shall not relieve the Contractor of the obligation to complete the work required by the contract.

D. Total responsibility for control of all means and methods lies with the Contractor for all work.

E. Final Inspection

1. The Contractor shall request a final inspection in writing at least ten (10) days prior to the anticipated date of completion.

2. Work will not be considered READY FOR FINAL INSPECTION until all the work has been completed and the Contractor has certified that all items are properly operating and in strict compliance with all contract terms and conditions.

3. The Contractor and/or his project supervisor shall be at the job site during the final inspection.

F. Final Cleanup: The Contractor shall clean the site and remove from the site all construction debris.

G. Payment: The Contractor shall submit a schedule of values. Other requirements may be required based on when the payment is requested. All components in the payment shall be in working condition, unless otherwise agreed upon.

H. Progress Payment: The Contractor may submit a progress payment as agreed upon during the pre-construction meeting.

I. Final Payment: The Contractor shall submit the following prior to final payment:

evidence of completion, guarantees, warranties, O&M manual, certificates, certified payrolls, and as-builts.

V. CONTRACTOR QUALIFICATIONS

A. The Contractor and all subcontractors shall have all Federal, State, and local licenses, and/or certifications, etc., necessary to perform work in at the station. All licenses and/or certificates must be current from start to finish of the project.

B. Prime contractor shall have a minimum of 3 years of completing similar work in this Statement of Work. Prime contractor shall have a well driller’s license in the

State of Nebraska.

VI. SUBMITTALS

A. The Contractor shall provide copies of all required permits, clearance, and licenses obtained to perform this work to the Contracting Office.

B. If alternatives to the means and materials described in these specifications are offered, the submittal must contain a written description of the proposed means and materials comparing all features, options, and codes (if any), in detail. A detailed explanation of why the proposed alternative should be accepted must also be submitted.

D. The Contractor shall submit manufacturer's warranties, guarantees, and certificates for all installed equipment listed on the Project Submittal List.

E. Timing of Submittals/Unapproved Work: As specified above, the Contractor shall submit all deliverables, copies of all required permits, and all product data sheets to the Contracting Officer for review. These submittals must be approved PRIOR to the installation of any purchased or fabricated components. THE PURCHASE AND/OR

INSTALLATION OF ANY UNAPPROVED COMPONENTS SHALL BE AT THE CONTRACTOR’S

RISK. Contract performance time shall not be extended due to delays caused either directly or indirectly by the purchase and/or installation of unapproved components.

F. All items in Section VIII shall be submitted for approval.

G. The attached submittal form shall be used.

H. Reports can be sent by USB stick and/or cloud storage service to the COR, CO, and station.

1. The cloud service shall be available 30 days after the document is uploaded

2. The Contractor shall verify that USFWS has access to a particular cloud service prior to purchasing space/subscription, due to IT limitations

VII. PERFORMANCE

A. All materials shall be installed according to the manufacturer’s instructions.

B. The Contractor shall coordinate the construction start date with the Contracting

Officer. The project shall be completed and available for use within 60 calendar days from the date the Notice to Proceed (NTP) is issued. Additional time will be allowed, if needed, to obtain permits and lead times for materials. Construction will not continue on Saturdays, Sundays, or Federal Government holidays without prior permission of the Contracting Officer.

C. During the performance period of the contract, the Contractor shall be available for conference calls as needed with the Contracting Officer, the Contracting Officer’s

Representative (COR), and the Government On-Site Inspector to discuss project progress and/or problems.

D. The Contractor shall obtain all permits and licenses, pay all fees and taxes, and give the notices necessary to perform the services of the contract. The Contractor shall submit all permits and licenses, and receipts for all fees and taxes paid.

E. The Contractor shall be liable for damages to roads, utilities, structures, and property, due to any act, omission, neglect, or misconduct during the period of performance of the services of this contract, unless the Government provided that portion of work that directly damaged one of these items.

F. The Contractor is responsible for completing the job to the specifications outlined in this document. The presence of an inspection does not preclude the Contractor from following this document and the specifications outlined.

G. Work on weekends and holidays is not authorized. Prior approval by the

Contracting Officer may approve work during these days.

VIII. PROJECT REQUIREMENTS

A. All work shall be in accordance with the State of Nebraska 178 NAC 12 Title 178.

Clay County and Phelps County have no additional requirements.

B. The wells are considered non-potable wells. The wells will be used to enhance wildlife habitat.

C. Any removal of materials not outlined in this project shall be placed in a condition the same, or better, prior to the start of the project.

D. The Contractor shall provide labor, materials, tools, equipment, and any other work to complete all items in the construction documents.

E. Requirements may be changed based on field conditions. The changes shall be approved by the COR prior to commencing these changes.

F. All materials in contact with water must be rated NSF. All requirements shall meet or exceed ANSI, AWWA, or ASTM. Materials shall be marked with the NSF label.

G. Well Abandonment and Other Materials

1. The Contractor shall notify the State of Nebraska through Neb Rev. Stat 46-

602(2)

2. The Harvard WPA and Atlanta WPA existing wells shall be abandoned.

3. The pump and motor shall be removed prior to abandonment. The Contractor may not reuse any parts for this contract.

4. The abandonment includes removal of piping, tanks, motors, and pumps. The removal of pipes shall include the connection of the new system to the existing system.

5. The Contractor shall dispose of all materials offsite.

6. Prior to abandonment the Contractor shall measure the static water level and disinfect to at least 200 parts per million chlorine.

7. Abandon wells with grout as defined in this section “Well Requirements” and remove the top three feet of casing below ground. A grout plug shall be installed.

8. Documenting abandonment must include grout mix specifications and notify the Department of Natural Resources within 60 days of decommission and within the timeline of the contract.

9. Mound backfill six inches above the existing surface and gradually slope away at 1:4 maximum.

10. Atlanta WPA Pump

a. Location: NWNW S21-T5-R19

b. Well ID: G-059007

c. Natural Resources District (NRD) office: Tri-Basin NRD, 308-995-6688

d. Power company: None. The existing pump is ran off a generator.

e. The existing piping is 10 inch.

11. Harvard WPA Pump

a. Location: SENW S1-T7-R8

b. Well ID: G-029357

c. NRD office: Upper Big Blue NRD, 402-362-6601

d. Power company: South Central Power District. Per SCPD, no notification is required because of the throw switch.

e. The existing piping is 11 inch.

12. Flow meters

a. The Contractor shall record the existing flow meter number prior to removal.

b. The readings shall be submitted to the station leader, COR, and CO.

13. The Contractor shall file the well abandonment with the Nebraska Department of Natural Resources. USFWS may assist with this filing. The completed form shall be provided through the submittal process.

14. Other Abandonment

a. The existing Atlanta WPA well has a generator house, generator, and fuel tank.

b. The fuel tank is 1,000 gallon diesel concrete tank. The tank is located on a concrete pad.

c. The generator house is an estimated 18 feet by 11 feet large building on a concrete pad. The generator is inside is an estimated 70kW.

d. No materials are wanted by the Government.

e. Remove all existing pipe above surface. The pipe shall be removed two feet below the finished surface.

H. Well Location

1. The attached map detail describes the general location the well shall be located.

2. The below table is the minimum offset distance

I. Well Requirements

1. Requirements may vary based on the method of well development. The document in VIII.A shall be referenced for the particular method.

2. The Contractor shall develop, test and register the new well with the local

NRD and the State of Nebraska.

3. Pump test shall include:

a. Run and operate well pump. Perform pump test and drawdown recovery

b. Well shall be test pumped for a period of 12 hours or until water levels stabilize over a three hour period at a constant maximum sustainable rate that results from a drawdown of no more than 45 feet, or 5 feet above the elevation of the top of the prepacked well screen. The discharge of the test pump will be measured and recorded and the water level measured with a suitable measuring device to the nearest 1/4 inch. Measurements of the yield and water level will be made every minute for the first 10 minutes of the test, every 5 minutes for the next 90 minutes and then every 15 minutes until 3 hours have passed. Measurements between 3 and 5 hours should be made 30 minutes apart and then after 5 hours and until the end of the test they can be made hourly.

c. After the pump is shut down, recovery measurements of the water level should be made for a period equal to at least one half of the pumping period or until the water level has reached the original static level. The schedule of the recovery measurements shall be made at the same time intervals that the measurements were made during the pumping portion of the test.

d. Provide detailed written documentation of pump test results to the

Government as soon as possible.

4. Install an anti-syphon valve and NRD approved flow meter.

5. Well casing shall be PVC SDR 26. The casing shall be centered in the bore hole. The casing shall extend a minimum of 12 inches above the final grade.

The casing shall be made watertight and overlap to prevent misalignment.

a. The well casing shall be connected with cam-lock, mechanical screw or lug coupled.

b. Install plumb and true to line.

c. Joining of pipe shall be done by reaming pipe and removing burrs and debris. Bevel the end and make solvent cemented joints.

6. Well seal shall be a cap with holes for piping and cables, which fits into top of casing and is removable, waterproof, and vermin proof.

7. Well pad shall be installed so the casing is centered on the pad. The pad shall be a minimum of 40 inches by 40 inches by eight inches thick. The minimum psi shall be 3000.

8. Well screen shall be same size and material as casing and be factory installed slots. The slot size shall be between 0.05 to 0.085 inches. It is estimated that the well requires 70 feet of screens. This shall be verified during construction. Screen couplings shall be butt-type and stainless steel coupling rings. The maximum entering velocity shall be 0.1 feet per second.

9. Centralizers shall be located every 20 feet to center the well. The stainless steel centralizers shall not be placed on the screen interval or sealed interval.

10. Filter pack shall be placed in the space between the well screen and the borehole walls throughout the entire screen interval. The minimum thickness of the filter pack shall be six-inches around the well. The filter pack shall be grout and placed continuously from bottom to top to ensure filling space in one operation. Do not perform other operations in well within 72 hours after grouting. When quick-setting cement is used, this period may be reduced to

24 hours. The mix shall be in proportions of one cubic foot or a 94 pound sack of cement with 5 to 6 gallons of water. The mix shall not contain fly ash.

Grout shall be placed with a tremie pipe, pumping, or pressure from the bottom of the well.

11. Well development shall be performed by water jetting, surge block, backwashing, or air jetting. Development result in the maximum practical and sustainable yield per foot drawdown.

12. The Contractor shall verify that the pump and motor will work within the optimum operation conditions based on actual conditions.

13. Pump shall be submersible, vertical-turbine, and corrosion resistant. The impeller shall be stainless steel.

14. Motor shall be corrosion resistant and capable of continuous operation under water with protected submersible power cable.

a. Comply with NEMA MG 1

b. Motor Sizes: Minimum size as indicated. If not indicated, large enough so driven load will not require motor to operate in service factor range above 1.0.

c. Designed for ambient conditions at the station.

d. Capacity and Torque Characteristics: Sufficient to start, accelerate, and operate connected loads at designated speeds, at installed altitude and environment, with indicated operating sequence, and without exceeding nameplate ratings or considering service factor.

e. Service factor: 1.15

f. Rotor: Random-wound, squirrel cage

g. Bearings: Regreasable, shielded, antifriction ball bearings suitable for radial and thrust loading

h. Enclosure material: Cast iron or rolled steel

i. Windings: Copper magnet wire with moisture-resistant insulation varnish, designed and tested to resist transient spikes, high frequencies, and short time rise pulses produced by pulse-width modulated inverters.

j. Energy- and Premium-Efficient Motors: Class B temperature rise;

Class F insulation.

k. Inverter-Duty Motors: Class F temperature rise; Class H insulation.

l. See "Multispeed and Variable-Speed Considerations" Article in the

Evaluations for discussion of thermally protected motors. Thermal protection is not usually required for plumbing equipment and energy- or premium-efficient motors specified in this Section. Retain subparagraph below to require the added protection from overheating or if inverter-duty motors are required.

m. Thermal Protection: Comply with NEMA MG 1 requirements for thermally protected motors.

15. Discharge piping shall be SDR 5.3, 7, 9 PE, or CPVC Schedule 80 pipe for a pressure of no less than 200 psi. PE fittings shall be made of PA, PP, or PVC with serrated male inserts matching the inside of the pipe with bands or crimp rings. Maximum flow shall not exceed 7fps velocity.

16. Well Head shall have a watertight seal and fittings.

J. Outside Well Piping

1. Discharge for Atlanta WPA

a. The discharge shall be open. The bottom of pipe shall not be more than

12 inches above the finished ground surface.

b. The discharge flow shall be slowed with rip-rap and be placed to follow the natural flow of water on land (sheet flow).

c. The Contractor shall place rip-rap at 18 inch depth with approximately fix feet wide and 10 feet long. The wide and long dimensions shall be adjusted for site conditions. (2.8 CY) The size shall be D12.

2. Butterfly Valve

a. The Contractor shall verify that connection to the Harvard WPA existing system is possible utilizing the existing valve.

b. The valve shall be installed within three feet of the casing.

c. The valve shall be installed so the handwheel is easily operable when a present of six inches of snow is present.

d. Mueller Linseal XPII, or equal.

e. The valve shall be coated to prevent rusting or corrosion. The coating should be UV protected.

f. Install meter as described in this section.

3. Pipe

a. Minimum five feet in depth under finished surface.

b. Shall be installed so no water is retained when the well is not pumping, including valve.

c. Elevated pipe can be secured by concrete blocks. The blocks shall be stacked two wide. Blocks are required every 10 feet.

d. Piping shall be SDR 5.3, 7, 9, or CPVC Schedule 80 pipe for a pressure of no less than 200 psi.

i. Ductile iron is permitted but blocking is required every five feet.

e. Any above grade piping, including casing, shall be primed and painted with a light color UV inhibitor. The manufactures recommendations shall be followed for installing and number of coats. The color shall not be the color of the pipe to distinguish fading or failing paint. The paint shall be epoxy or latex. The coating shall be able to withstand the conditions at the site.

f. Deflection must be less than 2%. Fittings shall be used to change directions.

g. Joining of pipe shall be done by reaming pipe and removing burrs and debris. Bevel the end and make connection with gasketed pipe or solvent cemented joints.

K. Backflow prevention shall be installed.

L. Disinfection

1. Contractor shall prevent contamination

2. Disinfection solution must be equivalent to 50 parts per million chlorine solution.

3. All components that interact with groundwater shall not be laid on the ground.

M. Well log

1. The well log shall be submitted through the submittal process.

2. The well log shall include the following information: legal description, GPS coordinates, description and depth of geologic materials, depth and diameter or dimension of constructed water well, depth and volume of formation stabilizer and size of particles, depth and thickness of grout, casing length and pipe information, screen length and pipe information and screen size, static water level, water levels when pumped at the designed pumping rate, pumping rate, signature of contractor, date of drilling, intended use of water well, name and address of USFWS contact below, and reference of permit/ID/license.

N. Thrust block

1. Placed at any angle deflection in pipe.

2. Below are the detail requirements of the thrust block.

O. Electricity

1. Coordinate with local power companies prior to service change or disruption.

2. Underground electrical line shall be buried a minimum of three feet. Install warning tape along the total length.

3. All components shall be outdoor compatible.

4. All work shall comply with the most recent National Electric Code.

5. Work with the local power company for Atlanta WPA well to install new service. The details are found in the attachments.

6. Install new panel on concrete pad capable of running motor and pump.

P. Atlanta WPA Well

1. Location: SESE S21 T5 R19

2. NRD office: Tri-Basin NRD, 308-995-6688

3. Power company: Southern Public Power District, 308-384-2350

4. Electrical service: 3-Phase supplied by power company. The service from the power pole to the well shall be underground.

5. Estimated electrical requirements: 60kW

6. Pipeline requirements: 12 inch, termination above ground, meter, and butterfly valve

7. Estimated elevation head: 188 feet (187 feet pump location and one foot above ground)

8. Pumping rate: 1,000 – 1,500 gpm

9. Discharge Piping Size: 12 inch

10. Casing Size: 16 inch, may be 14 inch depending on materials used. The minimum gap between the discharge pipe and casing pipe is one inch.

11. Estimated total head loss: 195 feet

12. Estimated motor size: 120 HP

Q. Harvard WPA Well

1. Location: SENW S1-T7-R8, 10 feet west of the existing well.

2. NRD office: Upper Big Blue NRD, 402-362-6601

3. Power company: South Central Power District, 402-225-2351

4. Electrical: The existing throw switch is adequate. An estimated 15 feet of power supply line is required if existing line is used.

5. Estimated electrical requirements: The Contractor shall verify that motor is compatible with the existing electrical system. The estimated motor size is

75kW.

6. Pipeline requirements: Connect to existing piping network. The new system shall not connect to existing well piping, only underground termination piping. The existing valve and meter can be used. If these items are deemed unacceptable, photographic documentation shall be sent to the CO, COR, and station manager to discuss options.

7. Estimated elevation head: 121 feet (120 feet pump location and one foot above ground)

8. Pumping rate: 1,750 – 2,000 gpm

9. Discharge Piping Size: 12 inch

10. Casing Size: 16 inch, may be 14 inch depending on materials used. The minimum gap between the discharge pipe and casing pipe is one inch.

11. Existing well soil type (in feet), Contractor to verify: 0-1 topsoil, 1-48 clay, 48-64 gravel, 64-73 sandy clay, 73-100 gravel, 100-103 white clay, 103-108 sandy clay, 108-111 sandy clay and gravel, 111-130 gravel, 130-132 fine sand, 132-141 sandy clay, 141-195 gravel, and 195-196 clay.

12. Estimated total head loss: 128

13. Estimated motor size: 120 HP

IX. POINTS OF CONTACT

A. Wetland Management District Manager

1. Brad Krohn (308-263-3000 Ext. 102)

B. Contracting Officer Representative / Technical Representative

1. Michael Wandersee (303-236-4479)

END OF STATEMENT OF WORK

RAINWATER BASIN WMD REGION

PROJECT SITE LOCATION

EXISTING ATLANTA WPA WELL SITE

EXISTING DIESEL FUEL TANK

EXISTING GENERATOR BUILDING

EXISTING WELL

NEW ATLANTA WPA WELL SITE

PROPOSED WELL LOCATION

APPROXIMATELY 100 FEET NW

FROM CENTER OF ROAD

INTERSECTION

EXISTING 3-PHASE LINE

BUILDING

HARVARD WPA WELL SITE

EXISTING WELL LOCATION

EXISTING WELL LOCATION

BUILDING

NEW WELL LOCATION

BUILDING

DISCHARGE

ELECTRICAL SERVICE

EFFECTIVE NEBRASKA DEPARTMENT OF 178 NAC 12

8/26/14 HEALTH AND HUMAN SERVICES

TITLE 178 WATER WELL STANDARDS

CHAPTER 12 WATER WELL CONSTRUCTION, PUMP INSTALLATION, AND WATER

WELL DECOMMISSIONING STANDARDS

12-001 SCOPE AND AUTHORITY: These regulations apply to the construction, location, and decommissioning of water wells, the installation of pumps and pumping equipment, the collection of water samples from water wells, and the inspection of installed water well equipment and chemigation regulation devices. The statutory authority is found in Neb. Rev.

Stat. §§ 46-1201 to 46-1241, and 46-602. These are minimum requirements. Local requirements may be more stringent.

12-001.01 Related Regulations: Persons doing the work referenced above must be aware that other statutes and regulations may apply, including but not limited to:

1. Nebraska Department of Health and Human Services Title 179, Regulations

Governing Public Water Systems;

2. Nebraska Department of Natural Resources (NDNR) Chapter 46, Article 6;

3. Nebraska Department of Environmental Quality (NDEQ) Title 122 Rules and

Regulations for Underground Injection and Mineral Production Wells;

4. NDEQ Title 135 Rules and Regulations for Mineral Exploration Holes;

5. NDEQ Title 128 Rules and Regulations Governing Hazardous Waste

Management in Nebraska;

6. NDEQ Title 130 Rules and Regulations for Livestock Waste Control;

7. Nebraska Natural Resources Districts (NRD) regulations; and

8. State Electrical Code.

12-002 DEFINITIONS

Abandoned Water Well means any water well (1) the use of which has been accomplished or permanently discontinued, (2) which has been decommissioned as described in the rules and regulations of the Department of Health and Human Services, and (3) for which the notice of abandonment required by Neb Rev. Stat. §46-602(2) has been filed with the Department of Natural Resources by the licensed water well contractor or pump installation contractor who decommissioned the water well or by the water well owner if the owner decommissioned the water well.

Annular Fill means materials placed in the annular space between the surface seal required in NAC 12-003.08C and the primary aquifer seal required in NAC 12-003.08A.

Annular Space means the space between the well casing and the well borehole wall and/or the space between two or more strings of well casing.

Aquifer means a geological formation, group of formations, or part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to wells and springs.

Aquifer Seal

Primary Aquifer Seal means a non-slurry bentonite or high solids bentonite grout interval placed in the annular space on top of the gravel pack just above the screened openings, and/or beginning at the base of the first layer of silt/clay above the production zone, and/or at or immediately below the static water level, whichever provides the most aquifer protection.

Surface Seal means a grout interval placed in the annular space within the first 15 feet below surface.

Backflow Preventer means an assembly, a device, or a construction practice that prohibits the backflow of water from the distribution piping into the water well. This includes but is not limited to check valves, curb stops, or air gaps.

Bentonite means a highly plastic, colloidal sodium clay composed largely of montmorrillonite.

Bentonite Seal means a viscous bentonite based material used as a seal or plug.

Bored or Dug Well means a well consisting of a large diameter borehole, usually two feet or more, lined with concrete, clay tile, brick, or stone.

Casing means a structural retainer which is installed in the borehole to support loose formation, provide a conduit for movement of fluids, and/or house pumping equipment.

Cesspool means an underground catch and discharge basin for household sewage or other liquid waste.

Clay means a fine grained inorganic material (grains less than 0.0005 mm in diameter) which has very low permeability.

Community Water System means a public water system that (a) serves at least 15 service connections used by year-round residents of the area served by the system or (b) regularly serves at least 25 year-round residents. (Neb. Rev. Stat. §71-5301)

Confining Layer means a geologic layer of either unconsolidated or consolidated material having permeability distinctly lower than the adjacent aquifer(s).

Construction of Water Wells means and includes all acts necessary to make a water well usable for the purpose for which it is intended including, without limitation, the siting of and excavation for the water well and its construction, alteration, or repair, but excluding the installation of pumps and pumping equipment.

Contamination means the addition of unwholesome or undesirable parts that render the larger whole physically unclean or impure.

Decommissioned when used in relation to a water well, means the act of filling, sealing, and plugging a water well in accordance with the rules and regulations of the Department.

Department means the Department of Health and Human Services.

Dewatering Well means a water well constructed for the purpose of lowering the ground water surface elevation, either temporarily or permanently.

Discharge Pipe means any and all piping beginning at the discharge head, or pitless unit tapping, extending to the first backflow prevention device.

Distribution Piping means all piping extending beyond the discharge pipe.

Driven Sandpoint Well means a well that is driven, washed or jetted into an aquifer with the sandpoint attached directly to the pump suction line.

Good Cause means a substantial reason consistent with the purposes of the Water Well Standards and Contractors’ Practice Act.

Gravel Pack means filter material placed in the annular space around the well screen.

Ground Water means water below the surface of the ground.

Ground Water Heat Pump Well means a well constructed for the purpose of utilizing the geothermal properties of the ground.

1. Open Loop Heat Pump Well means a well that transfers heat via pumped ground water which is discharged above and/or below ground. For below ground discharge refer to NDEQ Title 122.

2. Closed Loop Heat Pump Well means a well constructed for the purpose of installing the underground piping necessary to recirculate heat transfer fluid.

a. Horizontal Closed Loop System means a boring, trench, or pit essentially parallel to the horizon and into which a closed loop pipe is placed for the purpose of utilizing the geothermal properties of the ground.

b. Vertical Closed Loop System means a borehole essentially perpendicular to the horizon into which a closed loop pipe is placed and includes the horizontal closed loop header piping for the purpose of utilizing the geothermal properties of the ground.

Grout means materials composed of bentonite clays and/or portland cements, and if needed, other additives that when combined form a low permeability seal not greater than 1x10-7 cm/sec.

Grout material is designed to seal the annular space when used for well construction and the well cavity when used for decommissioning.

Illegal Water Well means any water well which has not been properly decommissioned and which meets any of the following conditions:

1. The water well is in such a condition that it cannot be placed in active or inactive status;

2. Any necessary operating equipment has been removed and the well has not been placed in inactive status;

3. The water well is in such a state of disrepair that continued use for the purpose for which it was constructed is impractical;

4. The water well was constructed after October 1, 1986, but not constructed by a licensed water well contractor or by an individual on land owned by him/her and used by him/her for farming, ranching, or agricultural purposes or as his/her place of abode;

5. The water well poses a health or safety hazard;

6. The water well is an illegal water well in accordance with Neb. Rev. Stat. § 46-706;

or

7. The water well has been constructed after October 1, 1986, and such well is not in compliance with the standards developed under the Water Well Standards and Contractors’ Practice Act.

Inactive Status Water Well means a water well that is in a good state of repair and for which the owner has provided evidence of intent for future use by maintaining the water well in a manner which meets the following requirements:

1. The water well does not allow impairment of the water quality in the water well or of the ground water encountered by the water well;

2. The top of the water well or water well casing has a watertight welded or threaded cover or some other watertight means to prevent its removal without the use of equipment or tools to prevent unauthorized access, to prevent a safety hazard to humans and animals, and to prevent illegal disposal of wastes or contaminants into the water well;

3. All entrances and discharge piping to the water well are effectively sealed to prevent the entrance of contaminants; and

4. The water well is marked so as to be easily visible and located and is labeled or otherwise marked so as to be easily identified as a water well and the area surrounding the water well is kept clear of brush, debris, and waste material.

Injection Well means a well into which fluids are injected (regulated under NDEQ Title 122).

Installation of Pumps and Pumping Equipment means the procedure employed in the placement and preparation for operation of pumps and pumping equipment at the water well location, including connecting all wiring to the first control and all construction or repair involved in making entrance to the water well, which involves the breaking of the well seal.

Monitoring Well means a well constructed for purposes of monitoring water quality and/or quantity.

Non-potable Well means a water well constructed to produce water not intended for human consumption.

Observation Well means a non-potable water well constructed for the purpose of measuring water levels and/or collecting water quality samples that is not located in a zone of contamination.

Open Hole Well means a water well that results from the drilling of a hole into certain rock formations and often finished with no casing or screen adjacent to the water-yielding portion of the rock.

Person means any: Individual; partnership; limited liability company; association, public or private corporation; trustee; receiver; assignee; agent; municipality or other governmental subdivision, public agency; other legal entity; or any officer or governing or managing body of any public or private corporation, municipality, governmental subdivision, public agency, or other legal entity.

Pitless Unit means an underground discharge assembly for a water well which attaches directly to the casing and provides watertight subsurface connections for suction lines or pump discharge without the use of a well pit and includes the underground distributor and the steel extension to the ground surface.

Pollution means an impairment of water quality to a degree that restricts the intended use of ground water.

Potable Well means a water well constructed to produce water for human consumption.

Primary Aquifer Seal means a non-slurry bentonite or high solids bentonite slurry grout interval placed in the annular space on top of the gravel pack just above the screened openings, and/or beginning at the base of the first layer of silt/clay above the production zone, and/or at or immediately below the static water level, whichever provides the most aquifer protection.

Public Water System means a system for providing the public with water for human consumption through pipes or, after August 5, 1998, other constructed conveyances, if such system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days per year. Public water system includes (a) any collection, treatment, storage, and distribution facilities under control of the operator of such system and used primarily in connection with such system and (b) any collection or pretreatment storage facilities not under such control which are used primarily in connection with such system. Public water system does not include a special irrigation district. A public water system is either a community water system or a non-community water system.

Service connection does not include a connection to a system that delivers water by a constructed conveyance other than a pipe if (i) the water is used exclusively for purposes other than residential uses, consisting of drinking, bathing, cooking, or other similar uses, (ii) the Department determines that alternative water to achieve the equivalent level of public health protection provided by the Nebraska Safe Drinking Water Act and rules and regulations under the act is provided for residential or similar uses for drinking and cooking, or (iii) the Department determines that the water provided for residential or similar uses for drinking, cooking, and bathing is centrally treated or treated at the point of entry by the provider, a pass-through entity, or the user to achieve the equivalent level of protection provided by the Nebraska Safe Drinking Water Act and the rules and regulations under the act.

Special Irrigation District means an irrigation district in existence prior to May 18, 1994, that provides primarily agricultural service through a piped water system with only incidental residential or similar use if the system or the residential or similar users of the system comply with exclusion provisions of subdivision (ii) or (iii) of this subdivision. (Neb. Rev. Stat. §71-5301.)

(Licensed) Pump Installation Contractor means an individual who has obtained a license from the Department and who is the principal officer, director, manager, or owner/operator of any business engaged in the installation of pumps and pumping equipment or the decommissioning of water wells.

(Licensed) Pump Installation Supervisor means an individual who has obtained a license from the Department and who is engaged in the installation of pumps and pumping equipment or the decommissioning of water wells. Such supervisor may have discretionary and supervisory authority over other employees of a pump installation contractor.

Pumps and Pumping Equipment means any equipment or materials utilized or intended for use in withdrawing or obtaining ground water including, but not limited to seals, tanks, fittings, and controls.

Recovery Well means a water well constructed for the purpose of, or in conjunction with, the removal of contamination from an aquifer or aquifers.

Sanitary Well Seal means a device used to cap a water well or to establish and maintain a junction between the casing or curbing of a water well and the piping or equipment installed therein, the purpose or function of which is to prevent pollutants from entering the water well.

Screen Apertures means a series of openings in a water well casing, made either before or after installation of the casing, to permit the entrance of water into the well.

Screened Vent means an inverted, U-shaped tube, or the equivalent, the open end of which is covered with a wire mesh, that is inserted into the top of a well to equalize the air pressure inside the well with that of the atmosphere.

Secure Cover or Cap means an object placed over a borehole or water well, the purpose of which is to prevent the degradation of ground water quality and/or personal injury.

Seepage Pit means a cavity into which sewage discharges and from which the discharge seeps into the surrounding soil.

Septic Tank means a covered, watertight receptacle for receiving sewage and liquid waste, for separating solids and liquids, for disintegrating organic material by bacterial action, and for discharging clarified liquid for final disposal.

Soil Absorption System (Septic Lateral Field) means a drain field, leaching area, or seepage bed including the effluent application/distribution system intended for the treatment of wastewater or disposal of effluent. The absorption system includes the infiltrative surface in the absorption trench and the soil between and around the trenches.

Static Water Level means the distance from the ground surface to the water level in a well when the well is not being pumped.

Substantially Equivalent means any procedure or material to be used for water well construction, pump installation, or water well decommissioning which provides equal protection to ground water resources from potential pollution and protects public health equivalent to the procedures or materials prescribed in 178 NAC 12.

Subsurface Disposal System means any system that utilizes the soil for subsequent absorption of treated sewage; such as a lateral field, absorption trench, seepage bed, or seepage pit.

Supervision or its derivatives means the ready availability of an individual licensed as a contractor or supervisor under the Water Well Standards and Contractors’ Practice Act for consultation and…