A04_SOW_Coldfoot_AIVC_Water_Pipe_and_Storage_Tank_Cleaning.docx

Statement of Work Alaska Interagency Visitors Center (AIVC) Coldfoot Water Pipe and Storage Tank Cleaning

1.0 Background

The Bureau of Land Management (BLM), Alaska Fire Service (AFS) has the need to clean, disinfect and sanitize a 10,000-gallon steel water storage tank and the connected 8" water pipe located at the AIVC, Dalton Highway, Coldfoot, Alaska 99701 (see exhibits # 1, # 2, and # 3 below).

1.1 The water storage tank is located in the crawl space under the AIVC and is a confined space.

1.1.1 The contractor must be confined space certified before proceeding and shall follow all required confined space regulations.

1.1.2 Ensure any sediment at the bottom of the storage tank is removed before sanitizing.

1.1.3 Clean and sanitize the tank and pipe to potable drinking water.

1.2 The water storage tank is a steel tank with white lining and is located in the crawl space under the AIVC; the tank is the confined space.

1.2.1 There is approximately 3' of clearance above the tank to the floor joists and 1-1/2' to 2' clearance between floor joists (see exhibits # 2, # 4 and # 6 below).

1.2.2 The 8" pipe comes out of the bottom of the water storage tank and feeds the building fire pump located approximately 30 feet from the tank (see exhibits # 1, # 3, # 4 and # 6 below).

2.0 Objective

In compliance with State and Federal standards for providing safe public drinking water, the Contractor shall clean, disinfect and sanitize the 10,000-gallon water storage tank and the associated 8" water line.

2.1 The Vendor shall perform no work until the Contracting Officer (CO) issues a Notice to Proceed.

2.1.1 The Contractor shall not conduct any work that is beyond the scope of this Statement of Work (SOW) and associated specifications unless directed in writing by the CO.

2.2 Any work done by the Contractor beyond the scope of this SOW and specifications without CO direction will be at the contractor’s own risk and at no additional cost to the government.

3.0 Requirements

The Contractor shall have a minimum of five (5) years of comparable experience supporting fire suppression systems, and cleaning and sanitizing potable water holding tanks; skills may be obtained via subcontracting.

3.1 The Contractor shall be regularly employed supporting fire suppression systems, to include the business of cleaning, sanitizing, inspection, and testing of water tanks and public drinking water systems.

3.2 The Contractor shall provide all equipment, materials, tools and supervision needed to safely and successfully complete the services specified within this SOW.

3.3 The Contractor shall exercise required safety measures during valve installation and tank cleaning.

3.3.1 The Contractor shall use all required personal protective equipment (PPE) to prevent injury to personnel during the installation, cleaning and sanitation process.

3.3.2 The use of highly chlorinated solutions and/or other sanitizing chemicals requires contract employees to use full face respirators.

3.4 The Contractor shall perform all work in accordance with this statement of work

3.4.1 Execute work in accordance with the negotiated firm fixed price and performance period.

3.4.2 The performance period for the project shall be completed in 90 days from the award date.

3.5 All materials and workmanship must be covered by the standard manufacture warranty of no less than one year from the installation acceptance date.

4.0 Deliverables

The contractor shall provide all required materials, equipment, and personnel to manage, administer and supervise the project. All materials and equipment incorporated into the project shall be new unless noted. The Contractor shall transport and safeguard all materials and equipment required for the work. All work shall be of good quality and performed without defect.

4.1 In compliance with State and Federal drinking water regulations, the Contractor shall clean and sanitize the steel, 10,000-gallon drinking water storage tank and the 8" water line that connects the water tank to the fire pump system located under the AIVC located in Coldfoot, Alaska.

4.1.1 Sanitize water storage tank and 8" water pipe using a highly chlorinated solution (50 ppm).

4.1.2 Collect and test for total coliform and final chlorine residual after the tank has been disinfected and flushed but prior to being placed back into service.

4.2 Continue to rinse and test until the total colloform sample result are negative (or absent) and the final chlorine level is no higher than 1 ppm. Provide test results to CO or designated point of contact.

4.2.1 Disposal Plan: Provide disposal plan for de-colloformed water in accordance with the “DEC Wastewater Discharge Authorization Program.”

4.2.2 Rinse the tank and water line to the fire pump until all residual chlorinated solution is removed and dispose dechlorinated water in accordance with disposal plan.

4.2.3 Empty the water tank.

4.2.4 Clean and brush tank ceiling, walls, and floor to remove adhered dirt and sediment (if any).

4.2.5 Rinse the tank and associated 8" water line to the fire pump.

4.3 Verify that the water meets regulatory standards for safe drinking water and provide results to the CO or designated point of contact.

4.3.1 Identify the verification method and results

4.3.2 Identify the regulatory guidance used to guide Contractor compliance effort

4.4 Fill the storage tank and put the domestic water system into operation.

4.5 Warranty: All materials and workmanship must be covered by the standard manufacture warranty of no less than one year from the installation acceptance date.

Bureau of Land Management – Alaska Fire Service Solicitation #140L0225Q0007

5.0 Hours of Operation

5.1 Contractor work will occur from 8:00 AM – 4:30 PM, Monday through Friday, unless otherwise mutually agreed upon to extend the hours of work.

5.2 Contractor to check in with the designated BLM point of contract when beginning the work and again at the end, when the project is complete.

5.3 This work is to be completed within the agreed upon timeframe specified at contract award.

6.0 Site Visit

It is recommended that the contractor shall inspect the site where services are to be performed to fully understand the task and the conditions under which the work will be accomplished.

6.1 The contractor should visit the worksite to satisfy themselves regarding general and local conditions that may affect the cost of contract performance, to the extent the information is reasonably obtainable.

6.2 All site visits must take place prior to July 16, 2025. For an appointment, please contact Lisa Brune, Contracting Officer, via email at lbrune@blm.gov.

END OF DOCUMENT

EXHIBITS

Exhibit #1: Schematic detail of connection between the water storage tank and fire pump

Exhibit #2: Schematic detail of the buried 10,000-gallon water tank

Exhibit #3: Diagram of Water Storage Tank

Exhibit #4: Pit Detail - 8" water pipe connects the fire pump to the 10,000-gal water tank

Exhibit #5: Building Water Riser Diagram

Exhibit #6: Pictures of the tank and pump placement within the AIVC crawlspace

Photo 1: Well water l:inegoing to water storage tank, vent pipe extends to the roof and water storage tank hatch

Photo 2: Water storage tank hatch with expansion rank f:or potable water pump

Photo 3: Piping and pump used to drain the storage tank outside the building

Photo 4 : Electrical box for the storage tank float switch that controls the well pump image2.png image3.png image4.png image5.png image6.png image7.png image8.png image9.jpeg image10.jpeg image11.jpeg image12.jpeg image1.jpeg