A04_combined_Well_Repair_SOW_Solicitation.docx

SCOPE OF WORK

SCOPE OF WORK

MIDAS FIRE STATION AND WELLS FIRE STATION WELL REPAIR

Elko District Office (EDO) Midas and Wells, Nevada

I. General Project Statement A. The water wells serving the Bureau of Land Management (BLM)’s Wells Fire Station and Midas Fire Station have stopped functioning. Both wells’ drop pipe, check valve, motor, and pump require replacement.

B. All work performed shall be in accordance with all applicable codes.

C. The Midas Fire Station is located approximately one-half mile east of Midas, NV turnoff on the Midas-Tuscarora County Rd (CR-724) in Elko Co., NV. Exact location is 41.206028°N, -116.778405°W.

D. The Wells Fire Station is located on Airport Road in Wells, NV.

II. Purpose A. The purpose of the work is to repair the potable water wells at the Midas and Wells Fire Stations.

III. Scope of Services A. Wells FS Well Repair

a. Drop pipe and wiring shall be replaced.

i. Current drop pipe is 3” steel pipe.

ii. Drop pipe to be replaced with 3” Sch 80 PVC piping.

1. Pipe shall meet ASTM D 1785 and ANSI/NSF 61 standards.

iii. Wiring shall be appropriate for pump and motor.

b. Check valve at pump shall be replaced.

i. New check valve compatible with new well pump and motor.

ii. Replacement shall meet ANSI/NSF 61 standard.

c. New pump motor protector shall be compatible with new well pump and shall be approved by well pump manufacturer.

d. Submersible pump and motor shall be replaced.

i. Current pump and motor specifications are attached. New pump and motor shall match these specifications.

ii. New pump and motor shall be equipped with a variable frequency drive.

iii. New pump and motor shall meet NSF/ANSI 61 Standard.

iv. All electrical connections shall be in compliance with the National Electrical Code (NFPA 70).

e. Attached are 1992 plans for pump replacement and pressure tank installation.

B. Midas FS Well Repair

a. Drop pipe and wiring shall be replaced.

i. Current drop pipe is 2” steel pipe.

ii. Drop pipe to be replaced with 2” Sch 80 PVC piping.

1. Pipe shall meet ASTM D 1785 and ANSI/NSF 61 standards.

iii. Torque arrestors shall be installed two feet (2’) above the check valve/submersible pump assembly and every fifty feet (50’) along drop pipe. Torque arrestors shall be installed in accordance with manufacturer’s recommendations.

iv. Wiring shall be appropriate for motor and wiring.

b. Check valve at pump shall be replaced.

i. New check valve compatible with new well pump and motor.

ii. Replacement shall meet ANSI/NSF 61 standard.

c. New pump motor protector shall be compatible with new well pump and shall be approved by well pump manufacturer.

d. Attached are original plans from site construction (2003)

e. Submersible pump and motor shall be replaced.

i. Current pump and motor specifications are attached. New pump and motor shall match these specifications.

ii. New pump and motor shall be equipped with a variable frequency drive.

iii. New pump and motor shall meet NSF/ANSI 61 standard.

iv. All electrical connections shall be in compliance with the National Electrical Code (NFPA 70).

C. Well Commissioning

a. Both wells shall be commissioned after repair work is completed. Both wells shall meet original design standards for flow rates and operating pressures. Design specifications for both wells are attached.

b. Performance Test Preparation

i. Well pump shall be initially started and controls adjusted. Damaged and malfunctioning controls and equipment shall be replaced.

ii. Contractor shall provide discharge piping to conduct water to locations where disposal will not create a nuisance or endanger adjacent property. Comply with requirements of authorities having jurisdiction.

c. Performance Testing

i. Pumps shall be tested for maximum yields and pressures.

ii. Pumps shall be adjusted as required.

D. Well Disinfection and Testing

a. Both wells shall be disinfected after repair and tested for presence of fecal coliform bacteria.

i. Well shall be disinfected and tested to AWWA Standard 654-21.

1. Well testing shall be performed by a 3rd party laboratory certified by the Nevada Department of Environmental Protection to perform such testing.

b. Should bacteria be found, well shall be re-disinfected and retested for fecal coliform contamination at no expense to the government until testing shows no evidence of bacteria.

IV. Requirements A. All work performed shall be in accordance with Nevada Administrative Code, Chapter 534 (Underground Water and Wells), National Electrical Code (NFPA 70), American Water Works Association Standards A100-20 and C654-21, and any other applicable codes.

B. All electrical components shall be listed and labeled as defined in NFPA 70 and shall be marked for intended location and application.

C. Contractor shall make every effort to prevent well contamination (including, but not limited to, bacteriological and chemical contamination).

D. Contractor shall dispose of all equipment & piping replaced properly.

E. The BLM will evaluate contractors on Past Performance and Price.

V. Contractual A. Period of Performance

a. It is anticipated that the work for this task shall occur as soon as possible. Total time of performance shall be 30 calendar days from the date of award.

B. Fee and Payment:

a. All services, supplies, materials (except those specified to be furnished by the Government), labor, superintendence, and travel necessary to perform the work and render the design and construction documents required under this contract are to be included in the lump sum price of this contract.

b. Payment shall be made upon completion of well repairs, government receipt of testing showing absence of fecal coliform, and water well commissioning.

C. Use of Premises:

a. Both sites are currently accessible.

b. Sites can be accessed during normal business hours (8 am – 5 pm, M-F) by contacting COR and arranging a time for access. Any site visit shall be arranged at least one (1) working day in advance.

c. The Contractor and his sub-contractor(s) shall have full use of premises for preparatory work. Contractor’s use of premises is limited only by Government right to perform work.

d. Work schedules shall be 7:30 am to 5:00 pm, Monday through Friday. Any alternative work schedule shall be approved by Contracting Officer’s Representative prior to commencing.

e. Schedule and sequence preparatory operations necessary to complete the work. Schedule work in such manner as to avoid delays.

f. The Contractor shall contact in writing and have the approval of the Contracting Officer two (2) working days in advance prior to any preparatory operations to be conducted on the premises.