250349 5222 bid specification binder.pdf

FACILITY ENGINEERING

MASSACHUSETTS ARMY NATIONAL GUARD

2808 RICHARDSON ROAD

CAMP EDWARDS

CAPE COD, MA 02542-1330

PROJECT NUMBER 25-250349

STATEMENT OF WORK

FOR

CONTRACT SERVICES

TO

Replacement of the Heating and Hot Water Boilers

AT

BU IL DI NG 5 22 2

MTA CAMP EDWARDS ,

CAPE COD MASSACHUSETTS

STATEMENT OF WORK

SECTION 01000

GENERAL REQUIREMENTS

This statement of work is hereby made part of the pre-printed forms of this contract.

1.1 SCOPE OF WORK: Furnish all necessary equipment, labor, parts, materials, supervision and other support services to perform all work necessary to remove the two (2) existing HTP boilers and install a complete and useable boiler systems in building 5222, MTA Camp Edwards, MA as specified herein.

1. Remove and dispose of the existing two HTP boilers and dispose of properly.

2. Remove the existing loop circulators and turn over to the government.

3. Supply and install two new HTP ELX-400FBN boilers complete with gas piping, connections to a fresh air intake, exhaust piping and associated piping.

4. Install new boilers on the existing kitchen pad. Modify the kitchen pad as required to install the new boilers. Relocation of the existing indirect storage tank as required to allow for new installation and piping.

5. Supply new ECM high efficiency loop circulators

6. Install individual condensate lines and neutralizing kits.

7. Install electrical wiring connections including low water cut off.

8. Install control wiring connections to include hot water storage tank temp sensors and hot water priority circuit.

9. Install control wiring top the ECM circulators.

10. Install new heating and hot water piping loops not the exiting heating system piping in accordance with manufacturers recommendation

11. Perform start up and commissioning.

12. Permitting and inspections as required

13. Site restoration and cleaning

1.2 HOURS OF OPERATION: Normal working hours for Camp Edwards are 7:00 a.m. to 3:00 p.m. Monday through Friday, excluding Federal & noted State Holidays. Any work requested outside these scheduled times, if approved by the Contracting Officer, will be performed at no additional cost to the government.

1.3 QUALIFICATIONS: The work as specified herein shall be performed by qualified, trained personnel who are thoroughly familiar with State and Local protocol, Regulatory requirements and Industry Standards for Heating, venting and refrigeration services. The Contractor and/or his Foreman and any sub-contractors, must have been engaged in this type of business for at least five (5) years prior to the date of his/her bid and shall have all appropriate licenses and/or certifications necessary to perform the work as outlined herein. Contractor shall provide the Project Manager (PM) and/or the Contracting Officer (KO) with a copy of said licensing and certifications upon request.

1.4 INSPECTION BY THE GOVERNMENT: The Directorate of Facility Engineering (DFE) or PM as the designated field representative, will witness and/or inspect all aspects of the Contractors’ work. All work rejected as a result of these inspection will be re-accomplished by the Contractor at no additional cost to the Government.

1.5 ENVIRONMENTAL CONSIDERATIONS: Contractor shall take every precaution to protect both land and water resources within the Base proper, on Cape Cod and throughout Massachusetts in general. Under no circumstances will waste or recycling byproduct be disposed of at other than the designated and/or an approved site for the specified byproduct. Contractor shall collect, transport, store, recycle, and dispose of all waste and recycling materials in strict compliance with these specifications and in accordance with all applicable laws and regulations of the Commonwealth of Massachusetts. Should spillage of any kind occur, the Contractor shall take immediate actions to contain said spillage and appropriately clean up or abate the area as necessary, and notify

235216 - 2 the appropriate authorities 911 If clean up or abatement actions are necessary, the Contractor shall comply with the applicable Federal, State and local laws and regulations concerning environmental pollution control and abatement, in effect on the bid date for this contract. All necessary clean up and/or abatement and site restoration actions shall be at the direction of the Contracting Officer and at no additional cost to the Government.

1.6 SAFETY: All work shall be accomplished in accordance with applicable OSHA Standards. Contractor shall take all necessary precautions to ensure the work crew abides by industry safety standards in the performance of the work. Additionally, The contractor shall comply with any Post wide specific safety and operating guidelines.

1.7 FIRE PROTECTION: The Contractor shall take all necessary precautions to ensure all operations are performed in a fire-safe manner and that they are in strict compliance with current State and Federal Codes and Regulations. Additionally, he/she shall adhere to the requirements of JBCC Fire and Emergency Services Fire Prevention Standard 911-1 while performing work on Camp Edwards. This document is available through the JBCC Fire Department (FD) or the PM. Reminder to all, “Burn Permits” are required for all welding, cutting and/or spark producing operations. Fire Department needs to be involved with the coordination. JBCC-FD 911-1 is available upon request.

1.8 SECURITY REQUIREMENTS: Camp Edwards is a "closed" facility located at Joint Base Cape Cod (JBCC). Entrance to the JBCC and the Camp is controlled and security is strictly enforced. To maintain security control the Camp Commander through Provost Marshall has enacted the following requirements to comply with FAR 52.204-9 and HSPD-12 for Personal Identity Verification of Contractor Personnel. To achieve this, an NCIC (National Crime Information Center) background check will be accomplished on all contractor personnel prior to access to those facilities under jurisdiction of Provost Marshall and Security Forces Counsel of the JBCC.

Contractor shall be required to furnish the identification of their personnel and that of any sub-contractors at the pre-performance meeting or no less than 3 business days prior to required access. All personal entering the post will be required to have a valid real ID license and\or passport.

1.8.1 The DFE Project Management (PM), will provide the successful bidder with an electronic copy of a Security forms, used to provide the necessary information described herein. The personal information shall be filled in completely and submitted via email to the PM. Camp Edwards is a Real ID facility and requires a real ID, or valid passport. Required information: Employers’ name, Employees name, Date of Birth and Citizenship, Country of Origin, Drivers License number and State of issue, Vehicle year, Make & Model, Vehicle Registration Plate (Tag) number and State of issue.

1.8.2 All registration shall be accomplished through the DFE, PM Office. Upon receipt the PM will submit a request to Security Forces for processing. The PM will inform the Contractor when Camp access has been approved and/or if any employee is denied access. Contractor shall make necessary arrangements to obtain passes/badges to enter the Camp and may proceed to the work site after a routine security check at the gate. Contractor shall coordinate with PM to ensure that all his employees, sub-contractors and their employees, and suppliers are registered for base entrance and that they shall remain within the designated "work site" as identified on drawings.

1.8.3 Compliance with the aforementioned requirements will minimize any delay in gaining access to JBCC, Camp Edwards and the work site. Contractor is cautioned that the Government will not be held liable for any cost incurred due to delays encountered or for non-compliance or conformance with the aforementioned security requirements and procedures.

1.9. CONTINUED USE OF FACILITIES: The buildings will be occupied during this contract. Work will be performed in an orderly manner with minimum disturbance and inconvenience to the occupants. The Contractor will confine his personnel to only those areas required in performing the work. Agreement will be reached between the Contractor and the Project Manager as to when the facility will be available for performance of work.

The Contractor will inform the DFE or his designated PM of these arrangements and confirm the appointment three (3) business days prior to proposed schedule to ensure nothing has changed and assure prompt access to the work areas.

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1.10. DAMAGE TO APPURTENANCES OR FINISHES: Building finishes or appurtenances soiled or damaged due to the Contractor's operations will be cleaned, repaired, replaced, or restored without cost to the Government.

Misuse or abuse of Government property will be reason for default action under the terms of the contract.

1.11. SITE VISIT: All prospective bidders are required to visit the site of work to familiarize themselves within the existing conditions and the scope of work. All bidders will email the DFE’s Project Manager at Camp Edwards, a completed typed NCIC form for time and date of the schedule site visit and for authority to enter the Base and the work area. Visitors will be required to sign the Bidders Register upon arrival on Site. Bidders are cautioned that proper security information must be provided 48 hours in advance to visit the Job site. Individual appointments will not be accommodated.

END OF SECTION

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SECTION 02000

SPECIFIC WORK REQUIREMENTS

This statement of work is hereby made part of the pre-printed forms of this contract.

2.0 GENERAL: The Contractor shall provide all equipment, labor, materials, parts, supervision and other support services necessary to perform the professional cleaning and remediation as identified herein. The Contractor shall provide these Services to meet: all applicable Federal, State and Local Codes, Regulations and Industry Standards governing the work identified herein, along with those identified in Exhibit A to the satisfaction of the Directorate of Facility Engineering (DFE) or his designated representative, and that of the Contracting Officer as noted in paragraph 1.4 herein. All facilities identified herein are located within the confines of Camp Edwards.

2.1 SCHEDULE OF WORK: The Contractor will schedule work to begin within 10 days of the Notice to Proceed. Contractor shall be responsible for coordinating with the Project Manager (PM) to ensure available access and completion within the contract timelines. Once all parties agree to service dates, the Contractor will confirm three (3) days in advance with PM.

2.2 SUPERVISION: The Contractor will provide competent supervision at all times when work is in progress.

He/she is responsible for scheduling and coordinating necessary trade activities through the DFE’s Project Manager. The Contractor and/or his job supervisor shall be held accountable for:

2.2.1 Ensuring that all work accomplished and materials used are in accordance with the contract and current code requirements. All materials shall be used strictly in conformance with manufacturer's directions and warnings.

2.2.2 Ensure employee's conforming to all regulations, Federal, State, and local, governing the performance of all work and that they confine all activities to the specified work site.

2.3 CONTRACT CHANGES::

2.3.1 The Commonwealth Military Division through the National Guard CFMO and/or DFE reserve the right to modify the original contract by adding, subtracting and/or substituting work elements which fall within the scope.

2.3.2 Any and all changes to this contract shall be submitted through the PM and require processing and approval from the Contracting Officer before they can be considered a part of this contract and/or before any payments can be issued to the Contractor.

2.4 SUBMITTALS: The Contractor shall be responsible for providing the following document and material submittals to meet the requirements specified herein

2.4.1 Inspection Report: After inspection, testing and field verification is accomplished, the Contractor will provide the PM with an inspection report. Should the Contractor identify or suspect a area of work not covered by this statement of work, the Contractor will verbally notify the PM and Consultant and will follow-up with a “report of findings” will expand on the inspection report, suggest appropriate response actions to include cost to correct. The report shall be submitted within three (3) business days of their performance.

The original and one (1) copy is to be sent to the DFE through the PM.

2.4.2 Remediation Plan: Submit plan identifying your process, methods used to meet all requirements as outlined in protocol outlined in Exhibit A and include timeline and credentials for those performing the work for approval prior to commencing with work.

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SECTION 235216

CONDENSING BOILERS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes packaged, factory-fabricated and assembled, gas-fired, fire-tube condensing boilers, trim, and accessories for heating and indirect domestic hot water.

1.3 SUBMITTALS

A. Product Data: Include performance data, operating characteristics, furnished specialties, and accessories.

B. Shop Drawings: For boilers, boiler trim, and accessories.

1. Include plans, elevations, sections, details, and attachments to other work.

2. Wiring Diagrams: Power, signal, and control wiring.

C. Source quality-control test reports: Indicate and interpret test results for compliance with performance requirements before shipping.

D. Field quality-control test reports: Indicate and interpret test results for compliance with performance requirements.

E. Warranty: Standard warranty specified in this Section.

1.4 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For boilers to include in emergency, operation, and maintenance manuals.

1.5 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

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B. ASME Compliance: Fabricate and label boilers to comply with ASME Boiler and Pressure Vessel Code.

C. ASHRAE/IESNA 90.1 Compliance: Boilers shall have minimum efficiency according to "Gas and Oil Fired Boilers - Minimum Efficiency Requirements."

D. AHRI Compliance: Boilers shall be AHRI listed and must meet the minimum efficiency specified under AHRI BTS-2000 as defined by Department of Energy in 10 CFR Part 431.

E. ANSI Compliance: Boilers shall be compliant with ANSI Z21.13 test standards for US and Canada.

F. CSA Compliant: Boilers shall be compliant with CSA certification.

1.6 COORDINATION

A. Coordinate size and location of concrete bases. Cast anchor-bolt inserts into bases. Concrete, reinforcement, and formwork requirements are specified in Division 03.

1.7 WARRANTY

A. Standard Warranty: Boilers shall include manufacturer's standard form in which manufacturer agrees to repair or replace components of boilers that fail in materials or workmanship within specified warranty period.

1. Warranty Period for Fire-Tube Condensing Boilers:

a. Heat Exchanger, Pressure Vessel and Condensation Collection Basin shall carry a 10 year limited warranty against defects in materials or workmanship and failure due to thermal shock.

b. All other components shall carry a one year warranty from date of boiler start up.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Basis-of-Design Product: H T P Boiler model ELX400FBN. All others must be submitted as and approved as an equal or better. The contractor has the responsibility of proving the equal or better status to the satisfaction of the Project Manager

2.2 CONSTRUCTION

A. The boiler shall bear the ASME "H" Stamp with a working pressure of 160 PSI and be National Board

Listed. The boiler shall be used in a closed loop pressurized system and require a properly sized thermal expansion tank to meet local codes. The boiler shall be ETL Listed and exceed minimum efficiency requirements of ASHRAE 103 with an AFUE rating of up to 95.9% and up to 96.1 thermal efficiency.

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B. The boiler cabinet shall be constructed of durable 18 gauge steel. The heat exchanger shall be constructed of 316 L stainless steel, built and tested in accordance with the latest edition of the harmonized ANSI Z21.13 test standard for the US and Canada. The complete heat exchanger assembly shall carry a 12 year limited warranty.

C. The boiler shall include a combination outlet fitting designed with multiple thread connections, oriented to simplify and allow connections for a Relief Valve, Temperature and Pressure Gauge, Low Water

Cut-Off Probe, and Manual Reset High Limit - all in one fitting.

D. Gas supply shall be as listed on the piping sizing chart and adjusted for distance as required

E. The boiler shall have an integrated digital control system utilizing an algorithm to fully adjust firing rate while maintaining the desired output temperature of the boiler. Combustion gas and air are premixed prior to introduction to the stainless steel sintered burner using a low voltage gas valve and variable speed fan. The control uses pulse width modulation to send a command signal to the fan which adjusts the volume of combustion air and gas supplied to the burner.

F. The control is connected to a digita1 2 line 20 character per line LCD display that provides information on the operation of the boiler. The display will show a fault code and narrative to aid in troubleshooting and also provide a means for adjustment of the operating temperature ranging from 50° - 190°F and differential temperature ranging from of 5°- 30°F. The control shall be set up to monitor outdoor temperature through an outdoor sensor and provide outdoor reset shutdown capability. The control shall feature a dry contact output to connect to an optional alarm monitoring device. To provide domestic hot water, an indirect fired water heater can be connected to the control which will automatically prioritize domestic hot water demands. This allows for greater turndown ratios and systematic control to maximize efficiency. The control shall have a 0-10 volt input available to connect to a building management system.

G. The boiler shall also have the ability to accept optional controls such as a UL 353 Compliant Low

Water Cut Off and Manual Reset High Limit Temperature Switch.

H. The boiler will have a sealed combustion system, taking outside air for combustion and exhausting the flue gas with a ULC-636 CPVC connector and shall have a stainless steel adapter for 4" PVC or

CPVC. The boiler's total combined equivalent vent length, including fitting allowances for both intake and exhaust, shall not exceed 200 feet.

I. Horizontal Venting: Shall be done as a balanced system only, thus requiring both intake and exhaust to terminate on the same side of the building.

J. CAUTION: Foam core pipe is NOT an approved material for either intake or exhaust piping.

K. The combustion chamber will be designed to drain condensation to a condensate collection container located at the back of the boiler. The condensate collection container will contain a float switch to monitor the condensate flow and have a clean out for periodic maintenance. The boiler shall be in compliance with the NOx emissions limit set forth in SCAQMD Rule 1146.2. The manufacturer shall verify proper operation of the burner, the combustion and control systems, as well as all related safety functions, to ensure the boiler will operate based on its designed parameters before shipping.

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Complete operating and installation instructions shall be furnished with every heater as packaged by the manufacturer for shipping

L. Description: Boiler shall be natural gas fired, fully condensing, and fire tube design. The boiler shall be factory-fabricated, factory-assembled, and factory-tested, fire-tube condensing boiler with heat exchanger sealed pressure tight, built on a steel base; including insulated jacket;

flue-gas vent; combustion-air intake connections; water supply, return, and condensate drain connections; and controls.

M. Heat Exchanger: The heater exchanger shall bear the ASME “H” stamp for 160 psi working pressure and shall be National Board listed. The heat exchanger shall be constructed of a fully welded 316L stainless steel and of fire tube design. Fire tube shall be of the Wave Fire Tube design and capable of transferring 16,000 to 20,000 Btu’s per tube. The heat exchanger shall be designed for a single-pass water flow to limit the water side pressure drop. There shall be no banding material, bolts, gaskets or “O” rings in the heat exchanger design. Cast iron, aluminum, or condensing copper tube boilers will not be accepted.

N. Condensate Collection Basin: Fully welded 316L stainless steel.

O. Intake Filter and Dirty Filter Switch: Boiler shall include an intake air filter with a factory installed air pressure switch. The pressure switch will alert the end user on the screen of the boiler that the intake filter is dirty and needs to be changed. The contractor shall install a dedicated fresh air intake from an air outside of the building.

P. Burner: Natural gas, forced draft single burner premix design. The burner shall be high temperature stainless steel with a woven Fecralloy outer covering to provide modulating firing rates. The burner shall be capable of the stated gas train turndown without loss of combustion efficiency.

Q. Blower: Boiler shall be equipped with a pulse width modulating blower system to precisely control the fuel/air mixture to provide modulating boiler firing rates for maximum efficiency. The burner firing sequence of operation shall include pre-purge, firing, modulation, and post-purge operation.

2.3 TRIM

A. Safety Relief Valve:

1. Size and Capacity: 50 lb.

2. Description: Fully enclosed steel spring with adjustable pressure range and positive shutoff; factory set and sealed.

B. Pressure Gage: Gage shall have normal operating pressure about 50 percent of full range.

C. Drain Valves: Minimum NPS 3/4 or nozzle size with hose-end connection.

D. Condensate Neutralization Kit: Factory supplied condensate trap with condensate trip sensor, high capacity condensate receiver prefilled with appropriate medium.

2.4 LOOP CIRCULATORS

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A. Loop Circulator minimum specifications. Loop circulators shall be Taco ECM high efficiency circulators wired and controlled by the boilers or equal. Size shall be set buy building and loop flow as recommended by the manufacturer.

• Maximum operating pressure: 150 psi (10.3 bar)

• Minimum NPSHR: 18 psi at 203˚F (95˚C)

• Maximum fluid temperature: 230°F (110˚C)

• Minimum fluid temperature: 14°F (-10˚C)

• Electrical specifications:

-Voltage: 115/208/230V, 50/60 Hz, single phase

- Maximum operating power: 170W

• Equipped with a Stainless Steel casing

• Model suitable for open loop potable water systems

• Acceptable for use with water or maximum of 50% water/glycol solution

• 5 easy dial settings to match system requirements - TacoAdapt™, LOW, MEDIUM, HIGH or

0-10V DC input

• Multi-color LED: power on, mode setting and error code diagnostics

• Use with a Taco ZVC Zone Valve Control or SR Switching Relay for ON/OFF operation

• Whisper quiet operation

2.5 CONTROLS

A. Boiler controls shall feature a standard, factory installed LCD screen display with the following standard features:

1. Variable Speed Boiler Pump Control: Boiler may be programmed to send a 0-10V DC output signal to an ECM or VFD boiler pump to maintain a designed temperature rise across the heat exchanger. The boiler shall be able to operate in this mode with a minimum temperature rise of 20 degrees F and a maximum temperature rise of 60 degrees F.

2. Password Security: Boiler shall have a different password security code for the User and the Installer to access adjustable parameters.

3. Outdoor air reset: Boiler shall calculate the set point using a field installed, factory supplied outdoor sensor and an adjustable reset curve.

4. Pump exercise: Boiler shall energize any pump it controls for an adjustable time if the associated pump has been off for a time period of 24 hours.

5. Ramp delay: Boiler may be programmed to limit the firing rate based on six limits steps and six time intervals.

6. Boost function: Boiler may be programmed to automatically increase the set point a fixed number of degrees (adjustable by installer) if the setpoint has been continuously active for a set period of time (time adjustable by installer). This process will continue until the space heating demand ends.

7. Domestic hot water priority: Boiler number two shall make the domestic hot water call for heat a priority over any space heating call and adjust the boiler setpoint to the domestic hot water boiler setpoint.

8. Domestic hot water modulation limiting: Boiler may be programmed to limit the maximum domestic hot water firing rate to match the input rating of the indirect tank coil.

9. Domestic hot water night setback: Boiler may be programmed to reduce the domestic hot water tank set point during a certain time of the day.

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10. PC port connection: Boiler shall have a PC port allowing the connection of PC boiler software.

11. Service reminder: Boiler shall have the ability to display a yellow colored service notification screen based upon months of installation, hours of operation, and number of boiler cycles. All notifications are adjustable by the installer.

12. Three pump control: Boiler shall have the ability to control the boiler pump, system pump and the domestic hot water pump.

13. Anti-cycling control: Boiler shall have the ability to set a time delay after a heating demand is satisfied allowing the boiler to block a new call for heat. The boiler will display an anti-cycling blocking on the screen until the time has elapsed or the water temperature drops below the anti-cycling differential parameter. The anti- cycling control parameter is adjustable by the installer.

14. Freeze protection: Boiler shall turn on the boiler and system pumps when the boiler water temperature falls below 45 degrees. When the boiler water temperature falls below 37 degrees the boiler will automatically turn on. Boiler and pumps will turn off when the boiler water temperature rises above 43 degrees.

15. Isolation valve control: Boiler shall have the ability to control a 2-way motorized control valve. Boiler shall also be able to force a fixed number of valves to always be energized regardless of the number of boilers that are firing.

16. BMS integration with 0-10V DC input: The Control shall allow an option to Enable and control set point temperature or control firing rate by sending the boiler a 0- 10V input signal.

17. Data logging: Boiler shall have non-volatile data logging memory including last 10 lockouts, hours running and ignition attempts and should be able to view on boiler screen.

B. Boiler operating controls shall include the following devices and features:

1. Set-Point Adjust: Set points shall be adjustable.

2. Operating Pressure Control: Factory wired and mounted to cycle burner.

3. Sequence of Operation: Factory installed controller to modulate burner firing rate to maintain system water temperature in response to call for heat.

4. Sequence of Operation: Electric, factory-fabricated and factory-installed panel to control burner firing rate to reset supply-water temperature inversely with outside- air temperature.

At 10 deg F outside-air temperature, set supply-water temperature at 180 deg F; at 60 deg F outside-air temperature, set supply-water temperature at 140 deg F.

C. Burner Operating Controls: To maintain safe operating conditions, burner safety controls limit burner operation.

1. High Temperature Limit: Automatic and manual reset stops burner if operating conditions rise above maximum boiler design temperature. Limit switch to be manually reset on the control interface.

2. Low-Water Cutoff Switch: Electronic probe shall prevent burner operation on low water.

Cutoff switch shall be manually reset on the control interface.

3. Blocked Inlet Safety Switch: Manual-reset pressure switch field mounted on boiler combustion-air inlet.

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4. High and Low Gas Pressure Switches: Pressure switches shall prevent burner operation on low or high gas pressure. Pressure switches to be manually reset on the control interface.

5. Proof of Closure Valve (FB 6001 only): Proof of closure valve (POC) shall prevent the boiler from firing if the POC valve seat is detected open. Upon a call for heat, once the POC valve seat is proven to be closed, the pre-purge cycle will begin and the POC valve will begin to open.

6. Blocked Drain Switch: Blocked drain switch shall prevent burner operation when tripped.

Switch to be manually reset on the control interface.

7. Low air pressure switch: Pressure switches shall prevent burner operation on low air pressure. Switch to be manually reset on the control interface.

8. Audible Alarm: Factory mounted on control panel with silence switch; shall sound alarm for any lockout conditions.

D. Building Automation System Interface: Factory installed Modbus and BACnet MSTP gateway interface to enable building automation system to monitor, control, and display boiler status and alarms.

1. BACnet IP gateway available as optional equipment.

2.6 ELECTRICAL POWER

A. Single-Point Field Power Connection: Factory-installed and factory-wired switches, motor controllers, transformers, and other electrical devices necessary shall provide a single-point field power connection to boiler.

B. Electrical Characteristics:

1. Voltage

a. 120V/1PH

2. Frequency: 60 Hz

2.7 VENTING

A. Exhaust flue for the must be Category IV approved PVC, CPVC, PP or stainless steel sealed vent material from one of the approved manufacturers listed in the Installation and Operation manual.

Boilers exhaust vent length must be able to extend to 100 equivalent feet.

B. Exhaust flue for the must be UL listed, Category IV approved stainless steel sealed vent material from one of the approved manufacturers listed in the Installation and Operation manual. Boilers exhaust vent length must be able to extend to 100 equivalent feet.

C. Intake piping for all models must be of approved material as listed in the Installation and Operations manual. Boilers intake pipe length must be able to extend to 100 equivalent feet.

D. Boiler venting and intake piping configuration shall be installed per one of the approved venting methods shown in the Installation and Operation manual.

E. Boiler shall come standard with a flue sensor to monitor and display flue gas temperature on factory provided LCD display.

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F. Boilers using common venting must contact the factory for sizing.

G. Refer to manufacturer’s Installation and Operations manual for detailed venting instructions and approved manufacturers.

2.8 SOURCE QUALITY CONTROL

A. Burner and Hydrostatic Test: Factory adjust burner to eliminate excess oxygen, carbon dioxide, oxides of nitrogen emissions, and carbon monoxide in flue gas and to achieve combustion efficiency; perform hydrostatic test.

B. Test and inspect factory-assembled boilers, before shipping, according to ASME Boiler and Pressure Vessel Code.

C. Allow Owner access to source quality-control testing of boilers.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Before boiler installation, examine roughing-in, anchor- bolt sizes and locations, and piping and electrical connections to verify actual locations, sizes, and other conditions affecting boiler performance, maintenance, and operations.

3.2 BOILER INSTALLATION

A. Install equipment on existing concrete housekeeping pad.

B. Install gas-fired boilers according to NFPA 54.

C. Assemble and install boiler trim.

D. Install electrical devices furnished with boiler but not specified to be factory mounted.

E. Install control wiring to field-mounted electrical devices.

3.3 CONNECTIONS

A. Install piping adjacent to boiler to allow service and maintenance.

B. Install piping from equipment drain connection to nearest floor drain. Piping shall be at least full size of connection. Provide an isolation valve if required.

C. Connect gas piping to boiler gas-train inlet with union. Piping shall be at least full size of equipment connection. Provide a reducer if required.

D. Connect hot-water piping to supply and return boiler tappings with shutoff valve and union or flange at each connection.

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E. Install piping from safety relief valves to nearest floor drain.

F. Boiler Venting:

1. Install flue venting kit and combustion-air intake.

G. Ground equipment

3.4 FIELD QUALITY CONTROL

A. Perform tests and inspections and prepare test reports.

1. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing.

B. Tests and Inspections:

1. Perform installation and startup checks according to manufacturer's written instructions.

Complete startup form included with Boiler and return to Manufacturer as described in the instructions.

2. Leak Test: Hydrostatic test. Repair leaks and retest until no leaks exist.

3. Operational Test: Start units to confirm proper motor rotation and unit operation. Adjust air-fuel ratio and combustion.

4. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

a. Check and adjust initial operating set points and high- and low-limit safety set points of fuel supply, water level and water temperature.

b. Set field-adjustable switches and circuit-breaker trip ranges as indicated.

C. Performance Tests:

1. Engage a factory-authorized service representative to inspect component assemblies and equipment installations, including connections, and to conduct performance testing.

2. Boilers shall comply with performance requirements indicated, as determined by field performance tests. Adjust, modify, or replace equipment to comply.

3. Perform field performance tests to determine capacity and efficiency of boilers.

4. Repeat tests until results comply with requirements indicated.

5. Provide analysis equipment required to determine performance.

6. Provide temporary equipment and system modifications necessary to dissipate the heat produced during tests if building systems are not adequate.

7. Notify Architect in advance of test dates.

8. Perform a combustion analysis after installation and adjust gas valve per the Installation and Operations manual and note in startup report.

O T

WA ER

A temperature and pressure re l ief valve listed as c,omplying with the Standard forRel ief Valves and Auto ma :ic Gas ShutoffDevices f:,r Hot Water Supply Syste ms, A SI 221.22-1986 shall b1 3 inst alled a t the time of in•'tallat ion of the heater in t he location specified by the manufactur e

r. Local cocles sha ll govern ins ta ll ati on of relief devices. For safe operation of t he water heater, the r elief v alve m ust n ot be re move d or plugged.

THE HE.A.T ABSORPTION RATE

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IS LESS T HAN 200,000 BTU/ HR.

MODEL #: SSU-1 19

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SHOP O RDER #:- 00073418

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