Revised SOW-Repairs to the Amistad Water Well-Ver3.pdf

REPAIRS TO AMISTAD WATER WELL

I. Project Overview The United States Section of the International Boundary and Water Commission (USIBWC) requires cleaning, repairing and inspecting the Water Well at Amistad Field Office located at 670 Texas Spur349, Del Rio Texas 78840-0425.

II. General This is a non-personnel service Contract to provide Water Well maintenance services. The Government shall not exercise any supervision or control over the Contract service providers performing the services herein. Such Contract service providers shall be accountable solely to the Contractor who, in turn is responsible to the Government.

The Contractor or his sub-contractor shall have at least three (3) yeas of experience servicing water wells. Such experience shall have been obtained within the past five years.

III. Description of Services The Contractor shall provide all personnel, equipment, supplies, transportation, tools, materials and supervision necessary to perform the work as defined in this Performance Work Statement and shall perform all the works to the standards in this contract; except the following:

The Government shall remove the roof of the pump house to give the contractor vertical access to the well. After the completion of the maintenance works by the Contractor, the government shall replace the roof and secure it on top of the pumphouse.

IV. Performance Period and Work Restrictions

• The contractor shall complete the works within three Calendar Days (72 Hours).

• The Contractor is responsible for conducting business between the hours of 7:00 AM thru 3:30 PM, Monday thru Friday except Federal holidays or when the Government facility is closed due to local or national emergencies, administrative closings, or similar Government-directed facility closings.

• The Contractor my start the work any day between Monday and Thursday. The Contractor shall not start the work on a Friday since a Sunday will occur before the end of the three-day period.

• The Contractor may request different working hours and must do so in writing to the Contracting Officer Representative (COR). USIBWC will make final determination as to the approval of a different work schedule.

V. Background and Objective The Amistad project is supplied with potable water from a well with a submersible pump delivering water to an overhead 25,000 Gallons water tank. The well is about 200 deep. Recently the water from the well became turbid suggesting possible corrosion of the galvanized drop-down pipe. Relevant data are as follows:

1. The down pipe is a 4.00 diameter Galvanized Steel pipe.

2. The depth of the well is about 200 feet.

3. A 15 HP submersible pump delivers water from the well.

4. The galvanized pipe is to be replaced with an approved PVC pipe.

This contract is intended to inspect the well, replace the down pipe and check valve, restore the well performance and recommission the system as described under Article VII “Requirements”.

VI. Approval of Material All new material to be installed under this contract shall be subject to the approval of the COR.

The Contractor shall submit the material specification (manufacturers literature) to the COR for approval before the material is installed.

VII. Requirements The Contractor shall provide all personnel, equipment, supplies, transportation, tools, materials, supervision necessary and shall perform the following work:

1. Pull the down pipe and submersible pump from the well, then clean and inspect all parts for damage. The Contractor shall report any damage to the Contracting Officer Representative (COR).

2. Replace the submersible pump check valve with an approved one; and replace the galvanized down pipe with an approved PVC pipe.

3. Reinstall the pump and the drop pipe assembly in the well and reconnect the system.

4. Test operate the pump to verify that the system is working properly.

5. Disinfect the well in accordance with AWWA C654 “disinfection of Wells”.

The well shall be disinfected by Chlorine in accordance with AWWA B301 or Hypochlorite in accordance with AWWA B300. A concentration of at least 50 ppm shall be obtained in all parts of the well and maintained for a contact period of 24 hours.

6. Pump the well, after the said contact period, until the residual chlorine is at or below 1.0 ppm. Pump for a further period of 15 minutes with the concentration consistently at or below 1.0 ppm.

7. Collect two samples spaced more than half an hour apart and test them for Coliform Bacteria. Report the results to the Contracting Officer’s Representative.

8. Return the pump to service, remove all Contractor’s equipment and restore the site to its initial condition.

9. The Government will continue further sampling and disinfecting if necessary.

VIII. Invoice Payment Information:

There shall be one invoice for the work under this contract. Upon completion of the work, the Contractor will be paid in accordance with FAR 52.232-33 Payment by Electronic Funds Transfer – System for Award Management (July 2013). Invoices will be submitted electronically via Invoice Processing Platform (IPP).