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National Gallery of Art 6th and Constitution Ave., NW Washington, DC

AFM Project # 1797 Control Upgrades to EAC-6 and 7

Testing and Balancing Specification

Testing and Balancing Page 1 of 12

PART I – GENERAL

1.01 RELATED DOCUMENTS

A. Conditions of the contract and general requirements Division 1 specification applies to work specified in all sections of Division 15.

B. Drawings and contract clauses of the Construction Contract, including referenced Federal Acquisition Regulation (FAR) and Division-1 Specification Sections, apply to this section.

C. Requirements of Mechanical, Electrical, and other Sections apply in so far as these requirements affect the work of this section.

1.02 COORDINATION OF WORK AND INTENT

A. It is the intent of the National Gallery of Art (NGA) to provide for a completely tested, adjusted and balanced (TAB) installation without overlaps or omissions between the installing contractor and the TAB contractor. The installing contractors are those who perform the installation of this work and make all preparations for the TAB contractor who performs the testing, adjusting and balancing described herein.

B. The Construction Manager or General Contractor performing the General

Construction work shall coordinate the work of the Contractors performing the Mechanical, Electrical, Automatic Temperature Control, and TAB work to provide complete properly tested, adjusted and balanced systems. The Construction Manager or General Contractor shall require a start-up report for each piece of equipment furnished.

C. The Contractor performing the HVAC work shall coordinate all Mechanical work, including Sheet Metal work and Automatic Temperature Controls, to provide a complete, properly tested adjusted and balanced system throughout. The Mechanical contractor shall furnish progress reports regarding this phase of the work on a regular basis as directed. The Mechanical Contractor shall insure that all components are installed and operating, and that the major components such as fans, pumps, refrigeration machines and the like are capable of producing the scheduled capacity requirements. This requirement does not relieve the Mechanical Contractor of any other requirements specified elsewhere. Should any of these components or systems not be capable of producing these requirements, the mechanical contractor shall make corrections within the limits of his responsibility or as otherwise authorized and shall certify in writing that the systems are ready for final testing and balancing by the TAB Contractor.

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D. The TAB Contractor shall, from the award of contract, begin preparations for the

TAB work. The TAB contractor shall furnish progress reports regarding this phase of work on a regular basis as directed. The TAB contractor shall make regular visits to the site to assess of the progress of the work and shall notify the Owner in writing of any conditions which would be detrimental to the TAB work to be performed.

E. Any additional balancing dampers, balancing valves, ports, taps, etc. which are required for balancing shall be provided by the installing Contractor.

1.03 GENERAL REQUIREMENTS

A. The work described in this Section of the Specifications shall be performed by a firm certified for TAB work by the NEBB or AABC.

B. The name of the selected Certified Firm shall be submitted to the NGA for approval within 30 days after contract award.

C. The TAB Contractor shall provide the NGA with the organizational chart, indicating that all field work shall be under the direct supervision of a TAB Supervisor in the discipline for which Balancing is to be performed.

D. Work shall be accomplished generally in accordance with the agenda herein.

Procedures not specifically described herein or requiring amplification shall be in accordance with NEBB and AABC procedures, and other standards hereinafter specified.

1.04 STANDARDS

A. National Environmental Balancing Bureau (NEBB)"Procedural Standards for Testing and Balancing of Environmental Systems" (1998 Edition)

B. AABC's "National Standards for Total System Balance"

C. National Environmental Balancing Bureau (NEBB)"Procedural Standards for the

Measurement and Assessment of Sound and Vibration" (1994 Edition)

D. The TAB Contractor shall submit all questions regarding interpretations and questions regarding these standards in writing or as required by documents to the A/E team who shall provide formal reply in a reasonable time. Decisions of the A/E team shall be final.

1.05 PRELIMINARY PROCEDURES

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A. Within 30 days after the award of the contract, the TAB Contractor shall submit for approval an organizational chart and proof of current certification which shall identify all NEBB or AABC Certified Supervisors in the discipline that they are certified.

B. Immediately upon receipt of contract award, the TAB Contractor shall begin a review of the Contract Documents to determine.

1. That the required TAB devices are included, i.e. balancing dampers, balancing valves, etc.

2. That he understands the systems and their operations to the extent necessary to perform the TAB work.

3. That the systems are capable of being tested, adjusted and balanced as designed.

C. At the TAB Contractor request meetings shall be arranged with the Owner's representative to answer questions and provide clarification.

D. Within 45 days after notice of contract award, the TAB Contractor shall submit a comprehensive report, through the proper channels, of recommendations and findings regarding its contract document investigation and shall review the report at a meeting arranged with the NGA for this purpose. The NGA will issue instructions to the Installing Contractor and/or TAB Contractor as required based on the report as finally approved.

E. Within 60 days after notice of contract award, the TAB Contractor shall submit an outline of TAB procedures. He shall indicate the starting and anticipated completion date. These procedures and schedule may be updated in writing when required.

F. As an ongoing part of its responsibilities, the TAB Contractor shall review all sheet metal, piping, equipment and other related Shop Drawings to determine if the TAB work can be achieved in compliance with contract documents.

G. During Construction and prior to beginning TAB work, the TAB Contractor shall make periodic visits to the site. An initial visit should occur after the first duct and piping begins. Should any potential or developing problems be discovered relating to materials, equipment, methods or procedures which could adversely affect the TAB work, he shall immediately report his findings in writing to the NGA. A report shall be submitted for each visit, stating the date, the areas observed and the progress toward TAB work.

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H. Prior to commencing the TAB work, the TAB Contractor shall submit the list of instruments to be used on this project. Each instrument will be calibrated in accordance with the NEBB or AABC procedural standards. Provide instrument calibration reports, to include the following:

1. Instrument type and make.

2. Serial number.

3. Application.

4. Dates of use.

5. Dates of calibration.

I. Prior to commencing work, the TAB Contractor shall submit a complete set of sample TAB reports, identifying the system or equipment for which each report will be used. Include for each system, a single line schematic flow diagram or use shop or design drawings if available.

J. Perform all pre-balancing work specified in accordance with NEBB or AABC procedural standards.

1.06 SUMMARY

A. Section Includes:

1. Verifying that automatic control devices are functioning properly.

3. Balancing Air Systems:

a. Constant-volume air systems.

4. Balancing Hydronic Piping Systems:

a. Constant-flow hydronic systems.

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1.07 DEFINITIONS

A. AABC: Associated Air Balance Council.

B. NEBB: National Environmental Balancing Bureau.

C. TAB: Testing, adjusting, and balancing.

D. TAB Specialist: An entity engaged to perform TAB Work.

1.08 SUBMITTALS

A. Qualification Data: Within 30 days of Notice to Proceed, submit documentation that the TAB contractor and this Project's TAB team members meet the qualifications specified in "Quality Assurance" Article.

Contract Documents Examination Report: Within 45 days of Notice to Proceed, submit the Contract Documents review report as specified in Part 3.

Strategies and Procedures Plan: Within 60 days of Notice to Proceed, submit TAB strategies and step-by-step procedures as specified in "Preparation" Article.

Certified TAB reports.

Sample report forms.

Instrument calibration reports

PART 2 - PRODUCTS (Not Applicable)

PART 3 - TEST AND ADJUSTMENTS

3.01 SYSTEM BALANCE – GENERAL

A. Furnish all TAB labor, instruments and services necessary to complete the TAB work for air systems and water systems to achieve required air and water flow rates.

B. Excludes labor and materials to provide, repair, correct, install, or change motor, fan or pump drives including sheaves, belts, couplings, starters, heater coils, wiring, etc.

3.02 WORK INCLUDED, BUT NOT LIMITED TO

A. Adjusting and setting of all volume control devices to achieve proper air distribution, Testing and Balancing Page 6 of 12 pressures, and patterns in all parts of the supply, return and exhaust air systems.

B. Adjusting and setting of belt driven fans to achieve design or optimum total delivered airflow. (CFM or L/s)

C. The installing Automatic Temperature Control (ATC) Contractor shall have the control systems installed and operational prior to the start of TAB work. The installing ATC Contractor shall provide all the necessary personnel, equipment and software to make adjustments to these control devices to achieve design conditions.

D. Adjusting and setting of pumps, balancing valves and other flow devices to achieve optimum water distribution in all parts of the circulating water systems.

E. Report on noise problems which are discovered in the course of system balancing.

F. Preparing and submitting reports and other data as specified herein.

3.03 VERIFYING EXISTING SYSTEM.

A. All existing air and water systems altered under this project shall have the system balanced in accordance with values on Design Documents.

B. Perform a preconstruction inspection of existing equipment that is to remain and be reused.

1. Check the condition of filters.

2. Check the condition of coils.

3. Check the operation of the drain pan and condensate-drain trap.

4. Check fan and pump bearings and other lubricated parts for proper lubrication.

5. Report on the operating condition of the equipment. Report deficiencies.

C. Before performing testing and balancing of existing systems, inspect existing equipment that is to remain and be reused to verify that existing equipment has been cleaned and refurbished. Verify the following:

1. New filters are installed.

2. Coils are clean and fins combed.

3. Drain pans are clean.

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4. Fans are clean.

5. Bearings and other parts are properly lubricated.

D. Examine systems for installed balancing devices, such as test ports, gage cocks, thermometer wells, flow-control devices, balancing valves and fittings, and manual volume dampers. Verify that locations of these balancing devices are accessible.

Verify that all balancing devices are functional.

E. Examine terminal units, such as zone rehear coils, and verify that they are accessible and their controls are connected and functioning.

F. Examine strainers.

G. Examine heat-transfer coils for correct piping connections and for clean and straight fins.

H. Examine system pumps to ensure absence of entrained air in the suction piping.

I. Examine operating safety interlocks and controls on HVAC equipment.

J. Report deficiencies discovered before and during performance of TAB procedures.

Observe and record system reactions to changes in conditions. Record default set points if different from indicated values.

3.04 PREPARATION

A. Prepare a TAB plan that includes strategies and step-by-step procedures.

B. Complete system-readiness checks and prepare reports. Verify the following:

1. Permanent electrical-power wiring is complete.

2. Hydronic systems are filled, clean, and free of air.

3. Automatic temperature-control systems are operational.

4. Equipment and duct access doors are securely closed.

5. Balance, smoke, and fire dampers are open.

6. Isolating and balancing valves are open and control valves are operational.

7. Ceilings are installed in critical areas where air-pattern adjustments are required and access to balancing devices is provided.

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8. Windows and doors can be closed so indicated conditions for system operations can be met.

3.05 TEMPERATURE-CONTROL VERIFICATION

A. Verify that controllers and control devices are calibrated and commissioned.

B. Check transmitter and controller locations and note conditions that would adversely affect control functions.

C. Record controller settings and note variances between set points and actual measurements.

D. Check free travel and proper operation of control devices such as damper and valve operators.

E. Check the sequence of operation of control devices. Note device positions and correlate with airflow and water flow measurements. Note the speed of response to input changes.

F. Check the interaction of electrically operated switch transducers.

G. Check the interaction of interlock and lockout systems.

H. Record voltages of power supply and controller output. Determine whether the system operates on a grounded or non-grounded power supply.

I. Note operation of electric actuators using spring return for proper fail-safe operations.

3.06 PROCEDURES FOR BALANCING CONSTANT-VOLUME SYSTEMS

A. Air quantities in main ducts shall be measured by Pitot tube traverses of the entire cross section area of the duct. Openings in ducts for Pitot tube insertion shall be sealed with approved plugs. Outlet and inlet air quantities shall be determined in accordance with NEBB or AABC Procedures.

B. Total air quantities shall be obtained by adjustment of fan speeds. Branch duct air quantities shall be adjusted by volume dampers. Damper positions shall be permanently marked after TAB work is complete.

C. For systems handling outdoor air, the system shall be balanced at the normal minimum outdoor air condition. Where the system is designed to deliver 100% return air or a variable amount of outdoor air, the total airflow tests shall be repeated for 100% maximum outdoor air and shall agree with conditions measured under minimum outdoor air operation before the system is considered to be in balance.

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D. All measured air quantities shall be within ± 10% of design air quantities where achievable.

E. Measure fan static pressures as follows to determine actual static pressure:

1. Measure outlet static pressure as far downstream from the fan as practical and upstream from restrictions in ducts such as elbows and transitions.

2. Measure static pressure directly at the fan outlet NOT through the flexible connection.

3. Measure inlet static pressure of single-inlet fans in the inlet duct as near the fan as possible, upstream from the flexible connection, and downstream from duct restrictions.

4. Measure inlet static pressure of double-inlet fans through the wall of the plenum that houses the fan.

F. Measure static pressure across each component that makes up an air-handling unit system.

G. Measure static pressures entering and leaving other devices, such as sound traps, reheat coils, and air washers, under final balanced conditions.

H. Review Record Documents to determine variations in design static pressures versus actual static pressures. Calculate actual system-effect factors. Recommend adjustments to accommodate actual conditions.

I. Record fan speed settings and coordinate the adjustment of VFD set point adjustment with Building Automation System (B.A.S.) operator.

J. Do not make fan-speed adjustments that result in motor overload. Consult equipment manufacturers about fan-speed safety factors. Modulate dampers and measure fan-motor amperage to ensure that no overload will occur. Measure amperage in full-cooling, full-heating, economizer, and any other operating mode to determine the maximum required brake horsepower.

K. Prepare a schematic “System Diagram” which shall include equipment, ductwork, and air outlet locations and number designation to correspond to tabulated data.

The TAB Contractor shall perform the test and compile the data required. In addition to the tabulation forms, the TAB Contractor shall provide schematic diagrams showing all system components cross referenced to form tabulations. The lists provided hereinafter shall be considered minimum requirements. All information required to prove system balance shall be provided by the TAB Contractor.

L. Air Handling Equipment Tests and Data.

1. Tabulate design conditions from documents and installed conditions from shop drawings.

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a. Fan, Unit or System number.

b. Location.

c. Area Served.

d. Manufacturer, model and serial number of air unit, motor(s), pulley and belts.

e. Motor nameplate Horsepower (watts), Amperage, Voltage, Phase , Hertz, Frame type and Service Factor.

f. Sheave Manufacturer, Model Number, grooves, pitch diameter, adjustable or fixed. Include pitch diameter settings on adjustable sheaves.

g. Fan and Motor RPM.

h. Fan or Unit Static Pressure profile. Measure and record pressure differentials across coils, filters, dampers, etc.

i. Total airflow (CFM or L/s), Outdoor Air, Return Air, Exhaust Air, Relief Air, Spill Air and Outlet air (Maximum and Minimum).

j. Terminal Manufacturer and type.

k. Outlet or inlet size, effective area and Ak Factor, except when using a Direct

Reading Flow Hood.

l. Design temperature differences.

m. Design Brake Horsepower (watts).

2. Tabulate from equipment field tests.

a. Fan and Motor RPM.

b. Motor amperage for each phase.

c. Voltage for each phase.

d. VFD set point.

3. Tabulate from air data from field test (for each required condition).

a. Total air quantity for each outlet or inlet and for Supply Air, Return Air, Exhaust Air, Relief Air, Spill Air and Outdoor Air for each system.

b. Pressure reading at most distant point of system (in.w.g.)

c. Pressure drops across filters, boxes, coils and air to air Heat Exchangers.

d. Supply, Return and Exhaust fan pressure differentials.

e. Temperature differences across coils and air to air Heat Exchangers.

f. Traverse locations and grid with actual velocities. Record duct static pressure at each traverse location. Provide traverses at all points necessary for balancing.

3.07 GENERAL PROCEDURES FOR HYDRONIC SYSTEM BALANCING

A. Prepare test reports with pertinent design data. Correct variations that exceed plus or minus 5 percent.

B. Prepare schematic diagrams of systems' "as-built" piping layouts.

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C. Prepare hydronic systems for testing and balancing according to the following, in addition to the general preparation procedures specified above:

1. Open all manual valves for maximum flow.

2. Check liquid level in air washer sump tank.

3. Check flow-control valves for specified sequence of operation, and set at indicated flow.

4. Check pump-motor load. If motor is overloaded, throttle main flow-balancing device so motor nameplate rating is not exceeded.

5. Check air vents for a forceful liquid flow exiting from vents when manually operated.

D. Water flows shall be balanced by venturi and calibrated orifices with portable type flow meters, where provided by the Installing Contractor, or calibrated meters provided by the TAB Contractor.

E. Pump flow capacities shall be determined by venturies, orifices, or multi-duty valves.

Water circuits shall be adjusted by use of balancing valves. All settings of balancing valves shall be permanently marked after balance is complete.

F. The TAB Contractor shall compare design documents with the shop drawings, if discrepancies are found; TAB Contractor shall submit a request for information to resolve the discrepancies.

G. Pump Test and Data.

1. Tabulate Tests and Data:

a. Pump number and service.

b. Location.

c. Area served and type of system served.

d. Manufacturer, model, serial number of pump.

e. Motor nameplate Horsepower (watts), amperage, voltage, phase, Hertz, frame type and service factor,

f. Pump and motor RPM.

g. Pump suction and discharge pressure at operating conditions.

h. System flow (GPM or L/s).

2. Tabulate from field tests:

a. Pump and Motor RPM.

b. Motor amperage for each phase.

c. Voltage for each phase.

3. Tabulate from pump field test:

a. Total flow (GPM or L/s).

b. Discharge and Suction pressure for operating and shut off conditions.

H. Heat Transfer Equipment Tests and Data:

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1. Tabulate design conditions from documents and installed conditions from shop drawings.

a. Identification, location and service.

b. BTU/HR (watts) and GPM (L/s).

c. Manufacturer.

d. Model and Serial Number.

e. Pipe size (in. or mm).

f. Design pressure differential and flow (GPM or L/s).

g. Design leaving and entering conditions.

h. Type meter used.

2. Tabulate from field tests:

a. Pressure differential, psi (Pa).

b. Total flow (GPM or L/s).

c. Entering and leaving temperature and conditions.

3.11 DEMONSTRATION

A. At the request of the Owner's representative, the Balancing Contractor shall repeat the balancing procedure for any system or portion of a system. The Balancing Contractor shall repeat the balancing procedure on 10% (As selected by the Owner's representative) of systems. If the data is within ± 5% of the reported data, the system shall be considered acceptable and the report accepted. If the data is not within ± 5% of the reported data, the Owner's representative can request that the entire system or systems be rebalanced.

Control Upgrades to EAC 6 and 7 AFM Project #1797

Building Automation System Specification

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and contract clauses of the Construction Contract, including referenced Federal

Acquisition Regulation (FAR) and Division-01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes modifications to the NGA’s Building Automation System (BAS) for the BAS supplier and Systems Integrator, and coordination of Mechanical and Electrical Work pertaining to products or systems furnished by each trade that will be integral to the BAS.

1.3 REFERENCES

A. Regulatory Codes and Standards: Work executed and equipment and materials furnished under this Section shall be in accordance with applicable requirements of the latest edition of governing codes, rules, regulations and standards including, but not limited to, the following standards where applicable:

1. Underwriter’s Laboratories (UL) Standard UL-916; Energy Management Systems.

2. Federal Communications Commission (FCC), Part 15, Subpart J, Class A Computing

Devices.

1.4 DEFINITIONS

A. Acronyms used in this specification are as follows:

1. AI: Analog Input.

2. AO: Analog Output.

3. ASC: Application Specific Controller.

4. BAS: Building Automation System.

5. BBMD: BACnet Broadcast Management Device.

6. BI: Binary Input.

7. BO: Binary Output.

8. CEA: Consumer Electronics Association.

9. COTR: Contracting Officer’s Technical Representative.

10. COV: Change of Value.

11. DDC: Direct Digital Controls.

12. EBI: Enterprise Building Integrator.

13. GDT: Graphical Development Tool.

14. GUI: Graphical User Interface.

15. HTML: Hyper Text Markup Language.

16. IBC: Interoperable BACnet Controller.

Control Upgrades to EAC-6 and 7 AFM Project # 1797

17. ILC: Interoperable Lon Controller.

18. JACE: Java Application Control Engine.

19. LAN: Local Area Network.

20. LNS: LonWorks Network Services.

21. MSTP: Master Slave Token Passing.

22. NCI: Network Configuration Input.

23. NIST: National Institute of Standards and Technology.

24. NGA: National Gallery of Art.

25. OBIX: Open Building Information Exchange.

26. ODBC: Open DataBase Connectivity.

27 OOT: Object Oriented Technology.

28. OPC: Object Linking and Embedding for Process Control.

29. PICS: Product Interoperability Compliance Statement.

30. PID: Proportional, Integral, Derivative.

31. PMI: Power Measurement Interface.

32. POT: Portable Operator’s Terminal.

33. SCPT: Standard Configuration Parameter Type.

34. SI: System Integrator.

35. SNMP: Simple Network Variable Type.

36. SNVT: Standard Network Variable Type.

37. SQL: Structured Query Language.

38. TCS: Temperature Control System.

39. TP/FT: Twisted Pair Free Topology.

40. UCPT: User Defined Parameter Type.

41. ULMA: Utility Load Manager Application.

42. URL: Uniform Resource Locator.

43. VAV: Variable Air Volume.

44. WAN: Wide Area Network.

45. WBI: Web Browser Interface.

46. XIF: External Interface File.

47. XML: Extensible Markup Language.

1.5 SYSTEM DESCRIPTION

A. It is the NGA’s intent to implement an open BAS based on the Tridium, Inc. NiagaraAX software platform that will allow products from various suppliers to be integrated into a unified BAS in order to provide flexibility for expansion, maintenance, and service of the BAS. The BAS shall be comprised of a network of Tridium, Inc.’s Vykon brand JACE’s. The JACE’s shall connect to the NGA’s local area network. Each JACE shall be capable of communicating to LonMark International and BACnet certified controllers and other open protocol systems/devices.

B. This Work shall include the provision of Tridium, Inc.’s Vykon brand Programmable Equipment

Controllers and LonMark International certified ASC for local control of the mechanical equipment. The existing NGA BAS shall interface with the controls provided under this contract by hyper-linking from the existing NGA front end BAS system to the JACE Web interface for viewing system data, making setpoint adjustments, scheduling and other operational tasks as defined in the contract documents. All system graphics shall reside on the JACE controller. The contractor shall create log-in graphics for three different user profiles with privileges to be defined during the submittal process.

C. The contractor shall create a Bacnet export table in each JACE for point alarm and history export to the existing NGA BAS. Integration of the alarm and history datapoints for equipment provided under this contract into the NGA’s existing BAS shall be performed by the NGA engineering staff. The contractor shall include forty (40) hours of dedicated engineering time in their proposal to work with the NGA staff to integrate the new controls into the existing system.

D. All labor, material, equipment and software not specifically referred to herein or on the plans, that is required to meet the functional intent of this Specification, shall be provided without additional cost to the NGA. If a conflict, error, omission, or lack of detailed description is discovered in the contract documents, the Contractor shall immediately notify the COTR and request clarification. The COTR will review the conflict and make any corrections or interpretations necessary to fulfill the intent of the plans and specifications.

E. Software License Agreement: The NGA shall be the named license holder of all software associated with any and all Work on the Project.

1. Software licensing for the JACE shall give the NGA the capability to control their system and determine which contractors can bid and engineer their system.

2. Documentation shall be provided to ensure the NGA that unauthorized partners cannot access the BAS for engineering changes.

3. Software licensing shall have the freedom to individually manage authorized parties and independent parties.

4. To insure an open automation infrastructure, all NiagaraAX Framework-based products shall be licensed with the following feature name entries: accept.station.in="*" ac-cept.station.out="*" accept.wb.in="*" accept.wb.out="*". Products with other than an aster-isk in the related Niagara Compatibility Statement (NICS) entries shall not be acceptable.

A NICS for each Niagara product shall be included as part of the submittal package.

1.6 SUBMITTALS

A. All submittals shall be in accordance with Division-01 requirements. Long lead time items such as control valves and dampers may be submitted as a separate package from the complete BAS submittal. The remaining submittal information shall be submitted as one complete package. No more than two BAS submittal packages will be reviewed.

B. Product Data: Submit a complete list of equipment and materials, including manufacturers catalog data sheets and written installation instructions. Equipment shall be submitted as a single Device Schedule with the device tag, system served, manufacturer part name, part number, sensor ranges, etc. All data sheets shall be clearly marked to indicate the actual part number, model number, etc. of the equipment being supplied to allow the COTR to properly evaluate the submission. Submittals that do not adhere to this requirement will be returned without review.

C. Shop Drawings: Submit four (4) copies of Shop Drawings of the proposed modifications to the existing BAS.

1. Shop Drawings shall include complete wiring and schematic diagrams, software descrip-tions, calculations, and any other details required to demonstrate that the system has been coordinated and will properly function as a system. The Niagara Compatibility Statement (NICS) for all Niagara FrameworkTM based products shall be part of the sub-mittal package. Terminal identification for all control wiring shall be shown on the shop drawings.

D. Schematic Diagrams:

1. Submit a trunk cable schematic diagram depicting operator workstations, control panel locations and a description of the communication type, media and protocol.

2. Submit the control logic flow diagrams for all systems to be controlled for review and approval.

3. Include a copy of each of the graphics developed for the Graphic User Interface. The graphics are to be eighty (80) to ninety (90) percent complete for the initial submission with final modifications or approval by the COTR after the commissioning of the BAS. The graphics shall conform to the NGA’s BAS graphics style guide, a copy of which will be provided to the Contractor.

E. Points Schedule: The Points Schedule shall contain the same fields as the Points Schedule shown on the Drawing with Contractor updated information. A Points Schedule shall be submitted for each HVAC system.

1. Contractor shall follow the NGA naming conventions for point acronyms, device tags, equipment names, etc. The COTR will review all system descriptors during the submittal process.

F. Valve Schedule: The Valve Schedule shall contain the following information for each submitted valve: unique identifier, system served, service (hot water, chilled water, etc.), type (two-way, three-way), control (two position, modulating), position (normally open, normally closed), design flow in gallons per minute (GPM), design pressure drop, design flow coefficient (Cv), flow coefficient (Cv) of submitted valve, actual pressure drop at specified flow rate, size, valve manufacturer’s part number, actuator manufacturer’s part number.

1. The submittal shall contain data indicating the maximum differential pressure rating

(modulating or two position service) of the valve and the close-off pressure rating of the combined valve and actuator assembly. Physical dimensions of the valve and actuator assembly shall be submitted that show access and clearance requirements. Where pneumatic actuators are specified provide actuator size, spring range, positive positioner range, close-off pressure to torque data, dimensions, and access and clearance requirements data. A valve schedule shall be submitted for each HVAC system.

G. Damper Schedule: The Damper Schedule shall contain each damper's unique identifier, HVAC system, type (opposed or parallel blade), damper size, location (Drawing sheet number), drawing coordinates, manufacturer, and model number. The submittal shall contain manufacturer’s data that shows the arrangement of sections in multi-section dampers, and methods of connecting dampers, actuators and linkages. A damper schedule shall be submitted for each HVAC system.

H. Sealants, Caulks, Adhesives and Mastics: Material Safety Data Sheets shall be submittal for approval for all products proposed for use in the Gallery.

I. System Testing and Commissioning Plan: Contractor shall submit a commissioning plan detailing all of the sequences required for successful commissioning. As a minimum, the commissioning plan shall include the following:

1. Schedule of systems and components to be tested.

2. Functional test to verify the calibration of all control components.

3. Operational test to verify the complete functioning of all software sequences.

4. Demonstrate all additions and changes to the BAS graphics.

5. Contractor shall provide all necessary testing equipment. Submit calibration data for all testing equipment. Calibration data shall show the most recent calibration date not to exceed six (6) months.

J. Upon completion of the Work, provide a complete set of “as-built” drawings and application software on compact diskette (CD). Drawings shall be provided as AutoCAD™ files. Submit two (2) hard copies of the as-built drawings in addition to the electronic documents on the CD.

1.7 QUALITY ASSURANCE

A. The Contractor shall have a minimum of ten (10) years experience in the design, installation and commissioning of computer based, DDC systems for building automation. The Contractor shall have a minimum of five (5) years experience in the installation of Tridium, Inc.

Vykon brand and LonMark International’s LonWorks platform based building automation systems. The Contractor shall have completed a minimum of three (3) projects of similar size and complexity to the proposed project during the last five (5) years. All Work shall be installed, wired, circuit tested and calibrated by factory certified technicians qualified for this work and in the regular employment of the temperature control system manufacturer or its factory authorized installing contracting field office representative. Supervision, calibration and checkout of the system shall be by the employees of the local factory authorized temperature control contracting field office (branch or representative).

B. The Contractor shall provide a dedicated Project Manager to oversee the project from the submittal stage through the installation and commissioning phases to project completion. This Project Manager shall have a minimum of ten (10) years experience in the design, installation and commissioning of Automatic Temperature Control Systems. The Project Manager shall act as the single point of contact for the COTR during the Project and shall be authorized to make commitments on behalf of the Contractor.

C. The Contractor shall submit a Project Schedule for approval by the COTR with fifteen (15) calendar days of Contract Award. The Contractor shall revise the Schedule as necessary during the course of the project to reflect the actual progress. The Schedule shall be produced in “GANT” chart style using Microsoft Project or a similar scheduling application.

D. The COTR will schedule weekly progress meetings during the course of the Contract. The frequency of the meetings may vary at the discretion of the COTR. The Contractor and any field personnel and subcontractors required to provide a comprehensive project status to the COTR shall attend. The Contractor shall provide a representative with the authority to commit the Contractor’s resources to meet the Project schedule. Additionally, the Contractor is required to attend a monthly manager’s progress meeting with the Gallery department heads to review the project status.

E. Install system and materials in accordance with manufacturer’s written instructions, and as detailed on the Drawings.

F. Drawings of temperature control systems are diagrammatic only and any apparatus not shown, such as relays, accessories, etc., but required to make the system operative to the complete satisfaction of the COTR shall be furnished and installed without additional cost to the NGA.

1.8 WARRANTY

A. General Warranty: Warranty specified in this Section shall not deprive the NGA of other rights the NGA may have under other provisions of the Contract Documents and shall be in addition to, and run concurrent with, other warranties made by the Contractor under requirements of the Contract Documents.

B. Special Warranty: Equipment, materials and workmanship incorporated into the Work shall be warranted for a period of one (1) year from the time of system acceptance.

1. During the warranty period a factory trained systems engineer shall respond to requests for warranty service by telephone within two (2) hours. If the problem cannot be resolved by over the telephone diagnostics and troubleshooting, a factory trained service technician shall be onsite within four (4) hours of receipt of the initial warranty call.

2. Within the warranty period, upon notice by the NGA, any defects in the Work provided under this Section due to faulty materials, methods of installation or workmanship shall be promptly repaired or replaced within forty-eight (48) hours after receipt of notice by the Contractor at no expense to the NGA.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products and services by the following:

1. Network Level Controllers, Programmable Equipment Controllers, and System Software:

Tridium Vykon or Name-plated Tridium Vykon OEM Products of Temperature Control System Manufacturers.

2. Application Specific Controllers (ASC): ASC’s shall be LonMark International certified devices with a fixed factory-installed application program and user configurable settings, designed to meet the application requirements as set forth in the sequence of operations.

2.2 GENERAL

A. The BAS shall be comprised of a network of interoperable, stand-alone digital controllers, graphical user interface software, network devices and other devices as specified herein.

B. The Contractor shall be responsible for the NiagaraAX JACE software and programming of the JACE(s), development of all graphical screens, Web browser pages, setup of schedules, logs and alarms, LonWorks/Bacnet network management and connection of the JACE(s) to the local or wide area network.

C. The Contractor shall be responsible for all new DDC controllers (JACE’s and ASC’s), graphical interface screens, control devices, control panels, controller programming, controller programming software, controller input/output and power wiring, and controller network wiring.

D. The installed system shall provide secure password access to all features, functions and data contained in the overall BAS as directed by the COTR.

2.3 OPEN, INTEROPERABLE, INTEGRATED ARCHITECTURES

A. Contractor shall provide a peer-to-peer networked, distributed control system with the capability to integrate OBIX (XML), OPC, SNMP, LonWorks, BACnet IP, BACnet MSTP, Modbus TCP/IP or Modbus RTU communication protocols in one open, interoperable system.

B. Contractor installed computer software shall employ OOT for representation of all data and control devices within the system. In addition, adherence to industry standards including American National Standards Institute / American Society of Heating, Refrigerating and Air- Conditioning Engineers (ANSI/ASHRAE) Standard 135-2001, BACnet, and LonMark to assure interoperability between all system components is required. For each BACnet device, the device supplier shall provide a PICS document showing the installed device’s compliance level. Minimum acceptable compliance is Level 3; with the ability to support data read and write functionality. Physical connection of BACnet devices shall be via Ethernet (BACnet Ethernet/IP,) and/or RS-485 (BACnet MSTP) as specified. For each Modbus device supplier shall provide a registry of data points available on the BAS system.

C. All components and controllers supplied under this Specifications Division shall be true “peer-to-peer” communicating devices. Components or controllers requiring “polling” by a host to pass data are not acceptable.

D. Contractor supplied system shall incorporate the ability to access all data using standard Web browsers without requiring proprietary operator interface and configuration programs. An ODBC or SQL compliant server database is required for all system database parameter storage. This data shall reside on the existing NGA server for all database access.

E. A hierarchical topology is required to assure reasonable system response times and to manage the flow and sharing of data without unduly burdening the NGA Intranet network.

Systems employing a “flat” single tiered architecture are not acceptable.

1. Maximum acceptable response time from any alarm occurrence (at the point of origin) to the point of annunciation shall not exceed five (5) seconds for network connected user interfaces.

2. Maximum acceptable response time from any alarm occurrence (at the point of origin) to the point of annunciation shall not exceed sixty (60) seconds for remote or dial-up connected user interfaces.

3. The Contractor shall define three (3) BACnet alarm levels (Low, High, Urgent) for each datapoint that is indicated in the Sequence of Operations or the Points Schedule to be alarmed.

2.4 NETWORKS

A. JACE controllers provided shall connect to the NGA’s existing Ethernet LAN.

B. LAN minimum physical and media access requirements include but are not limited to, the following:

1. Ethernet: Institute of Electrical and Electronics Engineers, Inc. (IEEE) Standard 802.3.

2. Cable: One-hundred (100) Base-T, UTP-8 wire, Category 6.

3. Minimum Throughput: One-hundred (100) Mbps.

C. Network Access: A standard network interface jack shall be provided for each node on the control network. Provide a duplex Ethernet jack at each system control panel. Network level controllers shall connect to one port, the remaining port shall be reserved for field service.

Install Ethernet jacks no more than twelve (12) inches from the control panel.

2.5 JAVA APPLICATION CONTROL ENGINE (JACE)

A. Contractor shall supply one (1) or more JACE’s as required for this Work. The number of controllers required is dependent on the type and quantity of field devices required to meet the Project Sequence of Operations and system performance requirements. Contractor shall utilize no more than eighty (80) percent of the available memory resources (heap) in any JACE provided for this Work. If this requirement is not met the Contractor shall provide an additional JACE controller and any required reprogramming to satisfy this requirement. Any costs associated with this rework shall be the responsibility of the contractor.

B. The JACE shall provide the interface between the NGA’s BAS server and the field control devices, and coordinate global supervisory control functions over the control devices connected to the JACE. JACE’s with onboard programmable inputs and outputs shall be used for all control applications that do not conform to a LonMark certified application functional profile. JACE’s shall be engineered with the most current version of the Tridium AX Workbench engineering tool. It shall be capable of executing application control programs to provide the following:

1. Calendar functions.

2. Scheduling.

3. Trending.

4. Alarm monitoring and routing.

5. Time synchronization.

6. Integration of LonWorks controller data and BACnet controller data.

7. Network Management functions for all LonWorks and Bacnet based devices.

C. JACE’s shall be provided with the following minimum hardware features:

1. Two (2) Ethernet Ports, ten (10) / one-hundred (100) Mbps each.

2. One (1) RS-232 serial port adapter.

3. One (1) 78KB FTT-10A LonWorks adapter

4. One (1) USB port.

5. One (1) dual port RS-485 adapter.

6. Battery Backup.

7. Flash memory for long term data backup.

8. 256MB DDR RAM Memory

9. Operating System: QNX Real-time Operating System, IBM J9 JVM Java Virtual Machine, NiagaraAX- most current release version at time of submission

D. In addition to the above requirements, JACE controllers with onboard Input/Output modules for use as programmable equipment controllers (and network level controller) shall be provided with the following minimum hardware features:

1. Input/output modules as required for the application. Provide twenty (20) percent spare

I/O capacity in each JACE used for equipment control.

E. The JACE shall provide multiple user access to the system and support for ODBC or SQL. A database resident on the JACE shall be an ODBC-compliant database or must provide an ODBC data access mechanism to read and write data stored within it.

F. The JACE shall support standard Web browser access via the Intranet/Internet. It shall support a minimum of thirty-two (32) simultaneous users.

G. All JACE’s shall be licensed for Web-User Interface and Embedded Workbench.

2.6 DATA COLLECTION AND STORAGE

A. The JACE shall have the ability to collect data for any property of any object and store this data for future use.

B. The data collection shall be performed by log objects, resident in the JACE that shall have the following minimum configurable properties:

1. Designating the log as interval or deviation.

2. For interval logs, the object shall be configured for time of day, day of week and the sample collection interval.

3. For deviation logs, the object shall be configured for the deviation of a variable to a fixed value. This value, when reached, will initiate logging of the object.

4. For all logs, provide the ability to set the maximum number of data stores for the log and to set whether the log will stop collecting when full, or rollover the data on a first-in, first-out basis.

5. Each log shall have the ability to have its data cleared on a time-based event or by a user-defined event or action.

C. All log data shall be stored in a relational database in the JACE and the data shall be accessed from the NGA’s BAS server or a standard Web browser.

D. All log data, when accessed from a server, shall be capable of being manipulated using standard SQL statements.

E. All log data shall be available to the user in the following data formats:

1. HTML.

2. XML.

3. Plain Text.

4. Comma or tab separated values.

F. The JACE shall have the ability to archive its log data either locally (to itself), or remotely to a server or other JACE on the network. Provide the ability to configure the following minimum archiving properties:

1. Archive on time of day.

2. Archive on user-defined number of data stores in the log (buffer size).

3. Archive when log has reached the user-defined capacity of data stores.

4. Provide ability to clear logs once archived.

2.7 AUDIT LOG

A. Provide and maintain an Audit Log that tracks all activities performed on the JACE. Provide the ability to specify a buffer size for the log and the ability to archive log based on time or when the log has reached its user-defined buffer size. Provide the ability to archive the log locally (to the JACE), to another JACE on the network, or to a server. For each log entry, provide the following data:

1. Time and date.

2. User ID.

3. Change or activity: i.e., change setpoint, add or delete objects, commands, etc.

2.8 DATABASE BACKUP AND STORAGE

A. The JACE shall have the ability to automatically backup its database. The database shall be backed up based on a user-defined time interval.

B. Copies of the current database and the most recently saved database shall be stored in the

JACE. The age of the most recently saved database is dependent on the user-defined database save interval.

C. The JACE database shall be stored, at a minimum, in XML format to allow for user viewing and editing, if desired. Other formats are acceptable as well, as long as XML format is supported.

2.9 WEB BROWSER CLIENTS

A. The system shall be capable of supporting an unlimited number of clients using a standard

Web browser such as Internet Explorer™ or Mozilla Firefox™.

B. The Web browser software shall run on any operating system and system configuration that is supported by the Web browser.

C. The Web browser shall provide the same view of the system, in terms of graphics, schedules, calendars, logs, etc., and provide the same interface methodology as is provided by the GUI.

D. The Web browser client shall support the following minimum functions:

1. User log-on identification and password shall be required. If an unauthorized user attempts access, a blank web page shall be displayed. Security using Java authentication and encryption techniques to prevent unauthorized access shall be implemented.

2. HTML programming shall not be required to display system graphics or data on a Web page. HTML editing of the Web page shall be allowed if the user desires a specific look or format.

4. Storage of the graphical screens shall be in the JACE and shall be the same graphic screens used on the local DDC panel LCD display.

5. Real-time values displayed on a Web page shall update automatically without requiring a manual “refresh” of the Web page.

6. Users shall have administrator-defined access privileges. Depending on the access privileges assigned, the user shall be able to perform the following:

a. Modify common application objects, such as schedules, calendars, and set points in a graphical manner.

1) Schedule times will be adjusted using a graphical slider, without requiring any keyboard entry from the operator.

2) Holidays shall be set by using a graphical calendar, without requiring any keyboard entry from the operator.

b. Commands to start and stop binary objects shall be done by right-clicking the selected object and selecting the appropriate command from the pop-up menu. No entry of text shall be required.

c. View logs and charts.

d. View and acknowledge alarms.

e. Setup and execute SQL queries on log and archive information.

7. The system shall provide the capability to specify a user’s (as determined by the log-on user identification) home page. Provide the ability to limit a specific user to adjust their defined home page.