Attachment A - Statement of Work.pdf

Statement of Work: Hyperchlorination of Water Distribution System

1.0 Description: This project involves the disinfection of the hot and cold water distribution system in the Main Hospital (building 1), the New Clinical Addition (NCA) section of building

1, and the Community Living Center (CLC). Work includes testing for total chlorine, free chlorine and pH to determine disinfection efficacy.

2.0 Performance Period: 5 Years

3.0 Purpose: To comply with VA Policy and ASHRAE, NIOSH, and other relevant industry standards on the prevention of the spread of Legionella Disease.

4.0 Scope: The Contractor shall provide all materials, tools, equipment, labor and supervision required to perform the following work:

4.1 Background: The VA Medical Center in Wilkes-Barre, PA requires the services to hyper chlorinate, test, and flush its water distribution system. The work must be performed in phases to limit impacts on the operation of the facility and to ensure complete disinfection of the entire distribution system. All testing shall be performed by a licensed and certified testing lab acceptable to the facility. The Contractor shall employ at minimum, a representative certified in biocide treatment. The Contractor shall also employ and have available onsite a minimum of 4 personnel to perform the work in a timely and expeditious manner. Infection control measures in certain areas such as PPE and masking may be required for some areas.

4.2 Submittals: Before commencing any work, the Contractor shall provide the Point of

Contact (POC) with the following:

4.2.1 Copies of all licenses (water system operator certification), resumes and/or certifications for the Project Manager, Testing Lab(s).

4.2.2 A detailed Work Plan describing phasing and the proposed protocol for conducting the hyperchlorination including points of injection, injection rates, equipment used, testing points, testing methods, testing equipment, and flushing procedures.

4.2.3 Safety Data Sheets (SDS)s for Sodium Hypochlorite (NaClO) and any other chemicals to be used and documentation that the materials are certified for use in drinking water systems.

4.3 Description of Facility Water Distribution System: The Wilkes-Barre VA Medical

Center purchases its potable water from Pennsylvania American Water. Water enters the VA Facility through a single main metering pit. Water then enters a loop main that encircles the facility and provides water for distribution to the facility including, but not limited to: a 400,000 gallon elevated storage tank; the main Medical Center

(Bldg. 1); the Community Living Center (CLC); the New Clinical Addition (NCA);

various administrative outbuildings; fire hydrants; and, yard spigots.

Water is supplied to the areas used for clinical operations at three points: the main boiler plant which serves Bldg. 1; the CLC Mechanical Room which serves the CLC;

and, the NCA Mechanical Room which serves the NCA. At each of these locations, water is filtered through a bank of 10μ bag filters prior to distribution to the points of use. In Building 1, water leaving the filters is pumped up to the 8,000 gallon day tank on the 13th Floor for gravity storage prior to distribution to the points of use. In the

CLC and NCA, water leaving the filters goes directly to the points of use. Each of these three distribution systems provide hot and cold water, which are isolated from each other and have no cross-connections.

All hot water for the Medical Center is “on-demand” using steam heat exchangers and is distributed through a recirculating distribution system.

(Note: The following information is provided to assist the Contractor in developing a

Work Plan to perform the hyperchlorination.)

5.0 Proposed Procedure: The contractor shall visit the site prior to the commencement of hyperchlorination and determine the locations for injection of NaClO. The contractor shall install injection ports, valves, and other appurtenances as necessary to allow for the attachment of chemical injection pumps. Actual work performance dates/times shall be coordinated with VA staff and require a 2 week minimum notification. These dates/times shall include nights and weekends as required by VA staff. Due to patient care, it is anticipated that the work will occur over two separate consecutive days starting on a Friday after 7:30 pm until the system is chlorinated and returning on Saturday afternoon/evening until the system is cleared for use. The Contractor shall locate any points of injection for the sodium hypochlorite (NaClO) for the potable hot and cold water distribution system. The contractor shall then inject a sufficient amount of NaClO to create a free chlorine residual of

5.0 mg/l (ppm) at the furthest point of the distribution system. The Contractor may work onsite prior to testing to locate and prepares the injection points.

The Contractor shall verify chlorine residuals by using a calibrated colorimeter testing apparatus such as a HACH DR820 or similar approved unit. The chlorine test unit shall utilize an EPA approved method to measure Free Chlorine and Total Chlorine in the range of

0 to 10 mg/l (ppm). The Contractor shall also measure pH using a calibrated portable pH

Meter such as a HACH HQ40d or similar approved unit.

The VA will have a minimum of 4 staff member available to assist the contractor in accessing sinks and showers throughout the distribution system being tested. VA staff will assist the contractor in running the faucets and showers, isolating the fixtures and providing access to all areas as required. However, the contractor shall supply a minimum of 4 personnel and each will have testing equipment to ensure each fixture has an elevated chlorine residual after starting the treatment. Chemical droplet testing is acceptable for verification of individual fixtures. Chemical testing paper strips will not be acceptable for chlorine level testing at each fixture. Each fixture will be flushed with elevated levels and tested to ensure minimum levels of NaClO are discharged. This will require running all faucets and sinks and taking representative samples to ensure a sufficient residual is present.

From the moment testing begins and until it ends, no water will be used for potable purposes in the area being treated. Fixtures will be isolated by VA staff prior to introduction of NaClO. Upon verification of sufficient residual in the distribution system, the chlorine injection shall stop and the injection equipment shall be removed from the system. Throughout testing, the use of cold water shall be allowed for the flushing of toilets only. However, no hot water shall be used for a period of 24-hours. The second day, the contractor shall return and, with the assistance of VA Staff, flush the entire distribution system (hot and cold) until sufficient testing indicates that the water has returned to background residual levels. Each fixture shall be verified as having less than

4ppm levels at the discharge. Chemical droplet testing is acceptable for verification of individual fixtures. Once the system has been flushed, the contractor shall have a CDC

Elite Certified Testing Lab and Technician test the water at six locations (total 18) on the distribution system that was just treated (3 cold-water and 3 hot-water) and have the samples tested for Total Coliform, Legionella (large volume test (1000 ml) for all serogroups of L. Pneumophila), Bac-T, TSS, TDS and inorganics.

When flushing is completed, up to 35% of the sinks and showers on each floor shall be tested and recorded to assure proper chlorine residual. The Contractor shall record all chlorine and pH measurements noting time and location and provide that information to the VA in the form of an Excel Spreadsheet along with the original results of all of the laboratory tests prior to final payment.

The inventory of fixtures in Appendix A is an estimate and should be used as a general reference, the numbers are subject to change. All sinks and showers in the system will be chlorinated and flushed. Field verification shall be conducted by the Contractor if needed.

5.0.1 Schedule of Work: Hyperchlorination shall consist of three annual hyperchlorination events (occurring on separate weekends) and on a smaller scale, as needed loop/piping section hyperchlorination to address legionella positives.

Annual Hyperchlorination: one each per period of performance for:

Building 1

New Clinical Addition

Community Living Center

Emergency Loop/piping hyperchlorination: up to ten per period of performance

Loop/piping will consist of 20 or fewer fixtures fed from a single common supply feed line. The contractor shall inject a sufficient amount of NaClO to create and maintain a free chlorine residual of 4.0 mg/l (ppm) for 4 hours at each fixture.

The contractor will coordinate with VA staff for times to limit effects on patient care.

6.0 Safety The Contractor shall adhere to all OSHA, EPA, NFPA Life Safety Codes, and all other regulatory requirements.

In the performance of this contract, the Contractor shall follow CMCMC safety policies and standards for safe work practices and take such safety precautions as the Safety Officer or designee may determine to be reasonably necessary to protect the lives and health of occupants of the building. The contractor is responsible for the supervision of all the employees while on government property.

WBVAMC is a non-smoking facility.

The contractor is responsible for identifying, providing, and maintaining all personal protective equipment required to perform the duties outlined in the contract. In addition, the Contractor is responsible for identifying and providing all applicable safety programs

(i.e. lockout/tag out, confined space entry, universal precautions, etc.) required for performing the work. Training on required safety programs and the proper use of PPE shall be provided, and documentation maintained by the contractor.

6.1 Emergency Telephone Numbers: The Contractor shall provide to each POC cellular numbers, in order to summon assistance in case an emergency develops. This information shall be provided in writing to the POC, at the contract commencement.

6.2 Injury or Accident: The contractor shall submit to the POC a written report to the

WBVAMC within (1) day of any incident of a major malfunction, accident or injury involving a contract employee or WBVAMC system. The report shall state the cause of event. Report shall state what repairs are required to correct the cause of the incident.

6.3 Privacy and Security

6.3.1 A compliant ID badge must be worn by Contractors at all times while on

VA premises.

6.3.2 Contractor may not have access to the VA network or any VA sensitive information under this contract.

6.4 Hours of work: Work required in the performance of this contract shall be conducted during the hours as outlined below:

6.4.1 Regular working hours, 7pm Friday – until completion as long as it takes but must be wrapped up Sunday NLT 5:00 PM.

6.4.2 Maintenance requiring equipment operational "shut-down" will also be performed during non-administrative working hours unless otherwise authorized in writing by the POC.

7.0 Invoices and Payment

7.1.1 Invoices will be submitted monthly in arrears to the Government office designated in the solicitation and include the original and one copy.

7.1.2 Invoices shall indicate what systems, building, and frequency work was performed.

8.0 Qualifications of Contractor

8.1 All offers must include documentation and proof of certifications and qualifications for each employee who will provide services under this contract.

8.2 The contractor must be AWWA compliant in all facets of this sterilization work.

8.3 This supervisor must submit certification of completion of OSHA 30 training certificate.

9.0 Deliverables

9.1 Contractor will submit to POC a daily field report before leaving the site. If testing (for some unforeseen reason) occurs over multiple days, the contractor will submit a field report daily. Each field report will be signed and dated by the entity performing the work.

9.2 The contractor will submit one final inspection report in electronic format to the respective POC within 1 day of the completion of the entire testing period as outlined in this PWS. Each system will have a separate report submitted by the contractor. The date of the report shall reflect the final day of the testing period of that required system. Formatted as indicated below.

9.2.1 Name of system being tested

9.2.2 Required Frequency of testing

9.2.3 Date

9.2.4 Building Number and address

9.2.5 Name of the inspector (s) performing work

Appendix A

FIXTURES APPROXIMATE NUMBER OF FIXTURES PER FLOOR

NEW CLINICAL ADDITION

LOCATION NUMBER OF SINKS

Basement 60

1st floor 60

2nd floor 60

3rd floor 60

4th floor 60

TOTAL APPROXIMATE SINKS 300

BUILDING 1

LOCATION NUMBER OF SINKS NUMBER OF SHOWERS

Basement 50 10

1st floor 63 0

2nd floor 41 2

3rd floor 50 2

4th floor 96 23

5th floor 67 17

6th floor 14 0

7th floor 32 4

8th floor 26 5

9th floor 35 19

10th floor 17 3

11th floor 9 6

TOTAL APPROXIMATE SINKS 500

TOTAL APPROXIMATE SHOWERS 91

COMMUNITY LIVING CENTER

LOCATION NUMBER OF SINKS NUMBER OF SHOWERS

1st floor 5 2

2nd floor 42 9

3rd floor 42 12

4th floor 38 1

TOTAL APPROXIMATE SINKS 127

TOTAL APPROXIMATE SHOWERS 24