SOW Closed Loop Chemicals revised.doc

Statement of Work NIST Boulder Closed Loop Chemical Treatment February 13, 2023

I. BACKGROUND:

The Department of Commerce (DOC), National Institute of Standards and Technologies (NIST), Facilities and Maintenance Division of Boulder (FMD-B), is responsible for maintenance and operations of the NIST sites located at 325 Broadway in Boulder, CO 80305 and radio station located at 2000 CR 58 Fort Collins, CO 80524.

NIST, FMD-B requires monitoring, testing and chemical treatment of the closed loop systems located at the NIST Boulder, CO site. This is an ongoing requirement, and NIST will award a Firm Fixed Price (FFP) task order for one base year and four one-year option periods to test and treat the chemical loops. The general requirements are provided in Section IV of this Statement of Work (SOW) and are intended to describe the minimum Government requirements.

II. OBJECTIVES:

Unless otherwise specified herein, the contractor shall provide all labor, supervision, management, equipment, chemicals, materials, and other items or services necessary to provide the monitoring, testing, chemicals and or treatment identified in the list of closed water loops.

III. SCOPE:

1. Semi-annual monitoring and testing of the corrosion inhibitor in the closed water loops in accordance with the manufacturer’s specifications and industry standards.

Retesting or treatment for any other issues associated with the loops such as bacteria, although covered under this contract, shall not be included in the firm fixed price of the semi-annual service. A not to exceed (NTE) separate repair line item will be provided for all retests, chemical pot feeder repairs, or additional chemicals needed and the labor to support these efforts.

2. Provide annual water analysis records in written report format.

IV. REQUIREMENTS:

1. During the base year of the contract, a baseline for each closed loop shall be established by the contractor. See Attachment 2 for water testing completed in March 2023 showing the existing conductivity, pH, Nitrite, Glycol Percentage, and Iron content as a starting point for this contract. Should any draining of existing loop water be needed to remove existing nitrates and have a city water conductivity baseline, contractor shall coordinate with NIST for NIST personnel to complete the draining and filling of the city water. A number of gallons or length of time shall be discussed and agreed upon between contractor and Contracting Officer’s Representative (COR). NIST personnel shall be responsible for turning valves on the drain or fill of water in the closed loops. Contractor shall provide, chemicals, labor for monitoring and any testing needed during the process of establishing all baseline criteria for loops.

Loop baseline criteria shall be considered:

a. Conductivity <3000

b. pH minimum >8.0

c. Silica inhibitor 60-100PPM

d. Glycol Percentage for loops requiring glycol in Attachment 2, the range shall be 30-35%, except for the B81 glycol heat pump loop that shall be maintained at 50-55%.)

e. Iron content <1.0ppm

2. Semi-annual visits will be used for contractor to monitor the residual inhibitor in each closed loop system and provide additional inhibitor as needed. Contractor shall provide a full-strength silica product for each closed loop in Attachment 2 in order to maintain the silica range of 60-100 PPM. Additional inhibitor will be added by contractor as necessary to maintain the proper concentration listed above. Product shall be introduced by the contractor into each closed loop via the existing pot feeder. Contractor shall be responsible to provide chemicals and labor to maintain inhibitor and glycol levels under normal operating conditions.

3. Contractor shall provide a semi-annual water analysis for each loop in Attachment 2 to COR in written report format for NST records. At a minimum, the report shall include the following:

a. Conductivity

b. pH level

c. Silica range (PPM) tested during visit

d. Amount of silica product added during site visit

e. Glycol percentage tested during visit

f. Amount of glycol product added during site visit

g. Iron content (PPM)

h. Bacterial growth presence/issues found/indicate if there is a need for any further treatment

4. Submittals

Contractor shall provide submittal of chemical products and associated SDS sheets to COR within 1 month of award, prior to first treatment site visit. Contractor shall wait for approval of submittal from COR prior to adding any chemicals to the NIST Boulder closed loops.

· Silica based inhibitor

· Propylene glycol

5. Monitor & Chemical Testing

The Contractor shall provide testing and chemical treatment to the closed water loops with minimal disruption to research laboratories, building occupants, building systems and their environmental controls to ensure efficient and safe operation while working at NIST.

a. All work is to be done during normal business hours of operation.

b. The contractor shall collect and dispose of all hazardous waste in accordance with local, state, and federal regulations.

c. All items found deficient will be demonstrated to the COR for verification.

d. The Contractor shall submit a written estimate to the COR for all repairs, retests or additional chemicals needed within 72 hours of testing. The COR will submit a work order authorization, repair estimate, and NTE Line Item balance to the Contracting Officer (CO) for approval before any repairs can be made using the repair line item.

e. Contractor shall provide a 1-year warranty for workmanship performed under this contract.

6. Repairs, Retests, Additional Chemicals

a. Items found to be deficient and needing repair will be verified by the COR.

b. If poor water quality is suspected and additional testing or chemical is required, COR shall be notified immediately to begin work order authorization procedure.

c. A labor rate for repairs and retests shall be set and indicated as part of the contract.

d. The Contractor shall submit a written estimate to the COR for all repairs and retests. The COR will submit a work order authorization, repair estimate, and NTE Line Item balance to the CO for approval before any repairs can be made using the repair line item.

e. CLIN X002 is a Repair Line Item with a not to exceed (NTE) amount per year.

7. Reporting The Contractor shall provide a written report, transmitted electronically, after each semi-annual visit with the following information:

a. Water loop number

b. Initial concentration (ppm) of inhibitor upon arrival, prior to adding any additional chemicals.

c. Volume of chemical added, and concentration level contractor is aiming to achieve with said chemical volume.

d. Glycol percentage

e. Conductivity

f. pH level

g. Bacterial growth presence/indicate if there is a need for further treatment.

h. Any other water quality issues noticed upon testing that require further follow up with COR.

V. UNIQUE REQUIREMENTS:

1. Safety

a. Responsibility and Liability

The Contractor will assume full responsibility and liability for compliance with all applicable regulations pertaining to the health and safety of Contractor and subcontractor personnel during the execution of work. The Contractor will hold the Government harmless for any action on their part or that of their employees or subcontractors, which results in illness, injury, or death.

b. Pre-Project Safety Meeting

Representatives of the Government and the Contractor will meet prior to the start of work for reviewing the Contractor’s safety and health programs and implementation of safety and health provisions pertinent to the work to be performed under the contract.

The Contractor will submit a copy of their Company Safety Plan. The Contractor will be prepared to discuss, in detail the measures planned to control any unsafe or hazardous conditions associated with the work to be performed. This meeting may be held in conjunction with other meetings that are scheduled to take place prior to start of work. Further submittals requested by representative of the Government at this meeting regarding health, safety or environmental concerns for the project shall be provided before work on the project commences (examples include hot work permits, written programs for permit-required confined space entries, etc.).

c. Personal Protective Equipment

In accordance with 29 CFR 1910.132 and 29 CFR 1926.28, the Contractor will identify hazards associated with this project and determine appropriate personal protective equipment (PPE) to protect their employees and government employees from hazards. A list of the hazards and the appropriate PPE will be provided to the government representative prior to start of the project. If barricades or temporary controls are used, signs will be hung on the barricades or controls stating required PPE for entry into the controlled area. (A sample Job Hazard Analysis (JHA) check sheet form is attached to help the contractor assemble a site specific, task specific, written plan to be submitted to the government for review at the kick-off meeting).

d. Safety Inspections

The Government will conduct unscheduled, random safety inspections of work being performed as identified in this contract. Unsafe conditions and/or practices attributable to the Contractor will be brought to their attention for correction. If the unsafe condition warrants, the COR has the authority to order the contractor to “STOP WORK” until the site or condition is deemed safe, and work can continue.

e. Incidents on the Job

If an on-the-job accident occurs while performing the project on the NIST site, the Contractor will submit a copy of each accident report to the CO, through the COR, no later than three (3) calendar days after the day the accident occurred. The Government reserves the right to investigate all incidents which occurred because of the Contractor's operation, and in which there is damage to Government-furnished items/property, and injury or occupational illness to Government or Contractor personnel.

2. NIST Access (Refer to Boulder General Contractor Requirements)

a. During services, the contractor shall minimize disruptions to facility employees.

b. The government will be the interface with the building occupants and perform a “First Response” role for calls from government personnel not dealing directly with this project during normal business hours Monday thru Friday. The COR will coordinate with the Contractor all activities required throughout the duration of this Task Order. The Contractor will only work with the COR and the CO on all matters pertaining to the Task Order and the desired result.

c. Many research laboratories operate and have equipment running 24/7. Any disruption may cause severe loss of valuable information. Prior to any disconnect of power and or shut down of a system/system component, the generation of undue vibrations or noise levels the COR must be notified to ensure each office and or laboratory occupant affected can be notified prior to the activity if it is determined the activity may disrupt the area so ongoing work is not disrupted. Special arrangements may be necessary prior to work of this nature and will be coordinated through the COR and building occupants.

d. The coordination of activities between the COR, the Contractor and the building occupants is critical to minimize disruption of the research and damage to ongoing experiments. The notification of building occupants is the COR’s responsibility.

e. Entrance into laboratories is normally not required. If entrance into the area is required, the Contractor shall contact the COR or his/her designee and arrangements with the owner/occupant to ensure work to be performed will not disrupt or damage technical experiments/projects in the specified area will be coordinated.

f. When special entrance requirements are deemed necessary the COR and or his/her designee will plan for Contractor personnel to have the necessary briefings and training prior to entrance into the specified area.

g. The Government will not provide service/repair manuals or testing/certification manuals to the Contractor. The contractor shall obtain, have on file, and make available to its FSE's all operational and technical documentation, such as service/repair manuals or testing/certification manuals and parts lists, which are necessary to meet the performance requirements of this contract.

h. Contractor shall be responsible to meet all OSHA/Safety requirements in the performance of the work. This shall include but not be limited to taking all the necessary precautions to protect the visitors and/or staff at each location during the performance of tasks. Contractor shall be held responsible for any injuries and/or damage, which may be caused because of the contractor’s failure to adhere to these requirements.

VI. CONFORMANCE STANDARDS:

1. The Contractor shall ensure that the equipment functions in conformance with the latest published edition of Occupational Safety and Health Administration (OSHA), Underwriters Laboratory (UL), National Electric Code (NEC), state and local regulations. The closed loops covered under this contract shall be maintained in accordance with the manufacturer's standards/specifications.

2. When performing work under the provisions of this contract the contractor's employees must strictly observe the requirements of all applicable Department of Commerce, U.S. Department of Labor Occupational Safety and Health Administration, U.S. and Colorado Environmental Protection Agencies and NIST rules, regulations, and policies.

3. Prior to commencement of services the contractor shall provide Material Safety Data Sheets as required for all products in accordance with NIST and OSHA regulations if required to perform services under any resulting contract.

Attachments

Attach 2 - List of closed water loops with estimated water volumes.