Domestic Water Disinfection Systems SOW no brand name.docx

Statement of Work Domestic Water Treatment Annual Service Contract

1.0 Overview

The Department of Veteran’s Affairs, West Palm Beach VA Medical Center, has a requirement for domestic water treatment and monitoring of all domestic water systems. The West Palm Beach VAMC requires (6) on-site monochloramine feed and control units, and (8) water quality monitors. This service contract is to provide all labor, tools, material, and “leased” special equipment necessary for a contractor to install secondary disinfection system with “Mono-Chloramine” generators for the domestic hot and cold-water systems, to perform system surveillance, period testing, lab analysis, recalibration, responsible for obtaining operating permits from Florida Department of Environmental Protection per Florida Administrative Code (FAC) 62-4.050(4) and required preventive maintenance to secondary disinfection system and equipment listed in this SOW.

2.0 Scope of Work:

2.1 The contractor shall furnish a fully automatic leased system (continuous system Monitoring and Analysis of secondary disinfection systems) for the safe flow-proportioned delivery of Mono-Chloramine into the domestic hot and cold-water systems of bldg. #1 (Main Hospital), domestic hot water system in the CLC/Hospice, domestic cold water for the Domiciliary, domestic cold water for the Fisher House, and domestic cold-water supply in the water tower. Alternate bids for MCA units will be reviewed.

2.2 Contractor shall provide all management, tools, consumables, equipment, and qualified personnel necessary to provide monochloramine dosing to the domestic water systems. Monochloramine levels to be maintained between 2-4ppm throughout the domestic water system.

2.3 Contractor shall ensure that all work accomplished in the performance of this SOW meets all applicable Federal, State, and local laws, regulations, and directives. Specifically, VHA Directive 1061 Prevention of Healthcare-Associated Legionella Disease and Scald Injury from Potable Water Distribution Systems, and Florida DOH permit requirements, including a Florida Class D or higher operator to service & manage all disinfection units on site. Proof of Florida approved operator per Florida Administrative Code 62-602 is required at time of bid submission.

2.4 Provide continual remote monitoring from a web-based system for proper system operation and function. Provide access to the web-based system to the COR and up to 5 other VA users.

2.5 Provide online logs for the COR and up to 5 other VA users to record daily water testing parameters. Online logs shall include functionality to quickly identify control ranges, and shall include historical testing and trending data.

2.6 Not less than monthly provide a site visit to perform system visual inspection in accordance with manufacturer’s instructions, collect water sample at distal sites of hot water loops, adjust chemical feeds as required in accordance with manufacturer’s recommendations, calibrate equipment and perform preventive maintenance as required. A monthly summary of actions performed is to be submitted to the COR within 5 business days of every site visit.

2.7 Twice annually, contractor shall dispose of all empty reagent containers. All containers disposed of shall be empty and contain no “heel”. Any container containing liquid reagent shall be not be eligible for disposal.

2.8 Contractor responsible to maintain satisfactory levels of chemicals and consumables on site at the treatment site to ensure continuous operation of water treatment. All chemicals to be stored in accordance with published safety data sheets.

2.9 Provide no less than 1 training session per year for facilities personnel operating the Monochloramine generation systems, at the direction of the COR.

2.10 Annually provide a formal written program review via email to the COR. Report to provide summary of quantities of chemicals used, amount of water treated, trends of monochloramine levels in the separate water loops, a summary of site visits and trainings performed.

3.0 Requirements

3.1 The Mono-Chloramine generator(s) shall be designed to produce the capacity of Mono-Chloramine necessary to achieve effective secondary disinfection as necessary at the locations indicated in II A & II B.

3.2 Mono-Chloramine Dosing Package (NSF-60 Certified) The Mono-Chloramine dosing package shall be designed and capable of delivering Mono-Chloramine into a pressurized cold-water system; the contractor will modify, fabricate and install all approved plumbing fittings to achieve the desired concentration in the treated water, at the injection site. Domestic water systems in the main bldg. #1 run from 125 to 150 PSI, domestic water systems in the CLC bldg. #3 run from 50 to 60 PSI. The pump(s) on the dosing package shall be able to provide a variable flow to ensure proper proportioned dosing of Mono-Chloramine solution. The dosing package shall contain all necessary components and materials of construction for safely storing and metering the dilute Mono-Chloramine solution produced by the generator. The generator and dosing package shall be supplied with a spill containment skid with leak detection.

3.3 Monitoring and Control System (MAC): The MAC system shall be pre-assembled unit comprised of a sensor with flow cell, flow switch and a controller mounted on a ready to install contractor provided panel. The sensor will consist of an electrode designed for the direct measurement of the mono-chloramine in solution. Miscellaneous piping and fittings are also installed on the panel to ensure proper water flow through the flow cell and flow switch as well as providing a sample port for sensor calibration. A flow sensor assembly and controller shall be supplied to measure the flow of the water to be treated. The MAC system must be capable of web-based data logging, monitoring, alarming, and 24/7 monitoring of system conditions by a manned team of analysts. The MCA system to be leased, serviced and maintained directly by manufacture. Contractor will provide continuous system Monitoring and Analysis of system output setting to the equipment to include system adjustments made as needed. This is a critical component for remote functions and real time display and alarms, system diagnostics, system configuration and all control function adjustments to monitor the system by the contractor. VA Staff members will have view only access via internet site provided by contractor of the monitoring system. Contractor will provide written monthly system performance report (s), highlighting operation status parameters, discrepancies, and recommendations to resolve discrepancies. Contractor retains the sole responsibility for all adjustments and system configuration to ensure optimum results. All MAC activation and monitoring charges will be covered during contract implementation.

3.4 Monochloramine/VA1061 Monitoring Panels: The multi I/O water quality monitor system shall be a capable of measuring system conductivity, pH, temperature, pressure, turbidity and oxidant levels (total chlorine). All sensors shall have integral signal conditioning. Additional inputs shall include a flow switch, twelve digital inputs, ten 4-20 mA inputs, eight inputs for pH and/or ORP probes, four inputs for conductivity sensors and five inputs for temperature probes. Outputs shall include twelve mechanical relays and three 4-20 mA outputs. Digital communications shall be via USB, Ethernet, Modbus, BAC net capable RTU and/or optional modem. All the controllers shall be networked together over Ethernet and shall be monitored from the same online page. Integration with DCS, SCADA system or building energy management systems shall be possible using the optional Modbus TCP/IP BAC net capable, Modbus RTU feature. The controller shall be accessible via the Internet for configuring, data logging, and control of relay outputs. The controller shall provide notification of alarm conditions via dry contact closure, text message and/or email. All water quality parameters shall be data logged in real time (24/7) and the data logs provided to the user as raw and visualized data. The data must be stored online with no time limitations.

4.0 Equipment Installation, Commissioning and Preventative Maintenance

4.1 Equipment Installation: Contractor is to be responsible for doing the following in preparation for the installation and commissioning of the secondary disinfection systems at main hospital and CLC/Hospice and the monitoring panels throughout:

4.2 Contractor will coordinate installation with Contracting Officer Technical Representative (COTR) and Facilities Management Engineering Shops

4.3 Install plumbing hot taps and or connection points for each respective system component.

4.4 Install misc., hardware, fittings, ball valves and piping run necessary.

4.5 Contractor is responsible for obtaining installation permits from Florida Department of Environmental Protection office.

4.6 Installation of all the equipment; connecting the electrical to outlets (VA will provide working outlets and water connections.)

4.7 Unpack all the systems and remove all packaging from site for proper disposal/recycle.

4.8 The startup and commissioning of the equipment will be managed by Contractor to ensure all components are operable and functioning correctly.

5.0 Commissioning:

5.1 Commissioning the system shall include qualified manufacturers specialist to travel to and be on-site for making final system connections, system calibration, system testing, operator training, commissioning, and start up. All travel and living expenses shall be included in the cost of the complete secondary disinfection systems specified herein. The primary operator of these system is required to live within a 2 hour travel distance of the medical center and should be able to respond to alarms on site within a 24-hour period. Any systems outside compliance must be reported to Florida Department of Environmental Protection per Florida Administrative Code (FAC) 62-560.

6.0 Preventative Maintenance:

6.1 A preventative maintenance contract will be provided and shall include all maintenance, labor, material and or parts required for a base year and four (4) option years of operation and a qualified manufacturer’s service specialist, available within 4 hours of the facility. A service specialist will be on-site for up to two (2) separate visits per month to perform required preventative maintenance and reporting/documentation of system operational status. Contractor will ensure all components of the installed secondary disinfection system (s) are operable and functioning correctly.

6.2 All travel and living expenses shall be included in the Preventative Maintenance Agreement.

7.0 Monochloramine Reagent Requirements:

7.1 Water treatment reagents must be manufactured by an approved lab supplier and designed for use with the Monochloramine generation systems currently permitted by the West Palm Beach VAMC.

7.2 Sufficient supply of reagents and chemicals shall be supplied to treat the following amount of water in each system:

7.2.1 Water Tower: 51.5MM GPY

7.2.2 Building 1 Cold Water: 30.5MM GPY

7.2.3 Building 1 Hot Water: 1.8MM GPY

7.2.4 CLC/Hospice Hot Water: 0.5MM GPY

7.2.5 Fisher House Cold Water: 1.0MM GPY

7.2.6 Domiciliary Cold Water: 2.5 MM GPY

8.0 Equipment Preventative Maintenance (PM) Requirements:

8.1 During each monthly service call the following Monochloramine generation systems PM’s shall be performed:

8.1.1 Calibrate ORP Probe and clean ORP housing if fouled

8.1.2 Replace dispersion rings and clean injectors

8.1.3 Check system components for evidence of leaks

8.2 Every 6 Months the following Monochloramine generation systems PM shall be performed:

8.2.1 Replace ORP Probe

8.3 Once annually, the following Monochloramine generation systems PM shall be performed:

8.3.1 Rebuild liquid end of both pumps including O-ring replacement, diaphragm replacement, internal check valve replacement and all other parts included in the manufacturer’s annual overhaul kit.

8.3.2 Following the annual overhaul, calibrate the pump draw on both pumps.

8.4 Once annually, the contractor shall collect a water sample from each of the six treated systems and have the water analyzed for: turbidity, pH, TDS, T Hardness, T alkalinity, chloride, phosphate, sulfate, aluminum, calcium, copper, iron, lead, magnesium, manganese, nickel, phosphorus, potassium, pyrophosphate, silica, sodium, sulfur, zinc, nitrite, and nitrate.

9.0 Contractor Qualifications:

9.1 The contractor shall have been engaged in the operation of potable water treatment equipment designed for legionella control in a health care setting for a minimum period of 10 years prior to the start date of the contract.

9.2 Work performed under this contract shall be performed onsite by an individual possessing a “Certified Water Technologist” (CWT) certification by the Association of Water Technologies (the water treatment industry trade association) accredited examination program, passed and taken Florida’s DEP approved educational classes to have a class D or higher license and be a certified ASSE 12080 Legionella Water Safety and Management Specialist. Evidence of current certification shall be required to be submitted with the offer.

10.0 Additional requirements:

10.1 All work shall be in accordance with Occupational Safety and Health Administration (OSHA), VA standards, and other related codes.

10.2 All shut downs shall be coordinated with COTR. Shut down might occur at hours outside of traditional 1st shift, on Holidays, or on weekends. Include such implications in cost proposal.

10.3 Workmen are subject to all the rules of the medical center and expected to use personal protective equipment when necessary.

10.4 Contractor tools and equipment shall be continuously under direct line of sight supervision of the contractor. NO tools / equipment can be left at the individual work sites overnight.

10.5 Contractor shall clean-up work sites daily. No debris can be left at work sites.

10.6 Contractor shall meet Florida Administrative Code FAC 62-550 for all Drinking Water Standards, Monitoring, and Reporting.

10.7 Contractor shall meet Lead and Copper Rule per Florida Administrative Code FAC 62-550.800 adopted by EPA’s Lead and Copper Rule, 40 CFR 141 Subpart I.

10.8 Burn permit is required within 7 days prior to the commencement of installation which will be issued by VA’s COTR.

10.9 Contractor preforming work shall provide all necessary Florida State license, certifications, permits, and other related documentation from a nationally recognized certification program dedicated to drinking water regulations for domestic water systems. Contractor shall submit documentation prior to award of contract.

11.0 Performance

11.1 The anticipated period of performance for implementation will be:

11.1.1 Base period: XXXX

11.1.2 Option period 1: XXXX

11.1.3 Option period 2: XXXX

11.1.4 Option period 3: XXXX

11.1.5 Option period 4: XXXX

11.2 The place of performance for this work is the XXXX

11.3 Normal hours of operation are 730a-4p Monday-Friday outside of Federal Holidays.

11.4 Safety data sheets shall be provided by the Contractor for all chemicals placed in use. Storage, personal protective equipment, training, and use is to be by the Contractor in accordance with safety data sheets.

12.0 Type of Contract: Firm-Fixed-Price.