INTEGRATED AUTOMATION SYSTEM MATERIALS, I/O DEVICES, AND SENSORS

This section defines the requirements for the general I/O devices that will be utilized to control and monitor the mechanical equipment. the details provided must be verified and modified as required to meet the requirements of the project. do not use any of the information within this section without verifying its relevance to the project design and the equipment to be controlled.

The following is a sample of the type of design information that should be provided for the control devices. it is the engineer’s responsibility to determine the specific device requirements that meet the intent of the design. Coordinate requirements with mechanical engineer.

INTEGRATED AUTOMATION SYSTEM MATERIALS, I/O DEVICES, AND SENSORS

• RELATED DOCUMENTS

  1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
  2. Specifications throughout all Divisions of the Project Manual are directly applicable to this Section, and this Section is directly applicable to them. Building automation system requirements may be specified, but not limited to, the following Sections when applicable:
     • <Refine this list to identify the specific equipment included within the scope of work for this project
     • Air Handling Units
     • Make Up Air Units
     • Exhaust Fans
     • Computer Room Air Conditioning Units
     • Automatic Transfer Switches
     • Variable Air Volume Boxes
     • Cabinet Unit Heaters
     • Stair Pressurization Fans
     • Fire Smoke Dampers
     • Utility Meters
     • Lighting>

• SUMMARY

  1. Contractor shall supply and install the components listed in this section, and those identified on the project drawings, in adequate quantities as required to meet the sequence of operation and the design/performance intent of the MEP systems as they pertain to the IAS and the functional operation of the project as a whole.
  2. Provide products compliant with the following sections for all devices specified and as indicated on the project drawings. If substitutions are necessary or warranted, follow the substitution submittal procedure defined in the project specifications.  This section shall address the product requirements for the following components.
     • <Refine this list to identify the specific equipment included within the scope of work for this project
     • Air, Differential Pressure and Pneumatic Tubing
     • Wiring
     • Control Valves and Actuators
     • Control Dampers and Actuators
     • VFDs
     • Control Panels
     • Sensors
     • Pneumatic Control Components (Gauges, Switches, Relays, etc.)
     • Electric Control Components (Switches, EP Valves, Thermostats, Relays, etc.)
     • Transducers
     • Current Switches
     • Thermowells
     • Power Meters
     • Nameplates
     • Testing Equipment>
  3. Provide the following electrical work as work of this Section, complying with requirements of Division 26 Sections. <Verify that Division 26 provides adequate detail and is coordinated with Division 25>
     • Control wiring between field-installed controls, indicating devices, and unit control panels.
     • <Interlock wiring between electrically interlocked devices, sensors, and between a hand or auto position of motor starters as indicated for all mechanical and controls.>
     • <Wiring associated with annunciator and alarm panels (remote alarm panels) and connections to their associated field devices.>
     • All other necessary wiring for a fully complete and functional control system as specified.
     • <Add references to other project specific electrical work>
  4. Refer to other Division 20 and Division 23 Sections for installation of instrument wells, valve bodies, and dampers in mechanical systems; <included in this Section or not Work of this Section>.
  5. It is important to delineate responsibilities for all work including wells, dampers and other devices that can vary between contractors.

• REFERENCE STANDARDS

  1. The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date.
  2. All reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project.
  3. All materials, installation and workmanship shall comply with the applicable requirements and standards addressed within all references.
• WORK BY OTHERS <the following discussion is recommended to delineate responsibilities. Confirm the following responsibilities and their application to this project>
  1. Control Valves furnished under this Section shall be installed under <the applicable piping Section> under the direction of the IAS contractor who will be fully responsible for the control wiring and for the proper operation of the valve.
  2. Control Dampers furnished under this Section shall be installed under <the applicable air distribution or air handling equipment Section> under the direction of the IAS contractor who will be fully responsible for the control wiring and the proper operation of the damper.
  3. Water Pressure Taps, Thermal Wells, Flow Switches, Flow Meters, etc. furnished under this Section, shall be installed under <the applicable piping Section> under the direction of the IAS contractor who will be fully responsible for the control wiring and the proper installation and application of these devices.
  4. Controlled Equipment Power Wiring shall be furnished and installed under Division 26. Where control involves 120 volt (V) control devices controlling 120V equipment, Division 26 Contractor shall extend power wiring to the equipment.  IAS contractor shall extend it from the equipment to the control device. <Tightly coordinate interaction between Division 25 and Division 26 contractors. Confirm responsibilities and verify that the Division 25 and Division 26 specification sections do not create conflicts>

INTEGRATED AUTOMATION SYSTEM PRODUCTS

• GENERAL

  1. All materials shall meet or exceed all applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction.
  2. All control devices shall be electronic using DDC control unless specified on the drawings.
  3. Provide electronic, <pneumatic,> and electric control products in sizes and capacities indicated, consisting of valves, dampers, controllers, sensors, and other components as required for complete installation. Except as otherwise indicated, provide manufacturer’s standard materials and components as published in their product information; designed and constructed as recommended by manufacturer, and as required for application indicated.

• Materials and equipment <Modify as required to match project design>

  1. <The use of pneumatic controls is not allowed unless specifically identified on the project documents. In the case where pneumatics is allowed the following requirements shall be upheld.> <Delete A and B if pneumatic control is not part of the scope of work for this project>
  2. <Control Air Supply: When pneumatic control is permitted as indicated on the contract drawings the contractor may reuse existing control air in buildings where pneumatic controls will be replaced.  Contractor shall install air dryers and air filters so that all controllers and new pneumatic devices receive a clean and dry air supply.  If existing control air is not available the contractor shall provide equipment, devices, and air lines are required to deliver control air as specified.
     1. The control air filters shall remove oil and solid particles from the compressed air. Provide a pre-filter and a final filter.
     2. The pre-filter shall be rated for 100 percent removal of all solids 1 micron and larger, 100 percent removal of liquid water, and 70 percent removal of oil aerosols with 2000 ppm maximum inlet liquid loading.
     3. The final filter shall be rated for 100 percent removal of liquid water and solids larger than 0.03 micron; 99.999 percent removal of oil aerosols with 100 ppm maximum inlet liquid loading.
     4. Filters shall include replaceable filter element, differential pressure gauge, and automatic liquid drain trap. Filters shall be selected for a maximum pressure drop of 2 psig at compressor capacity.  Filter bodies shall be rated for 225 psig or greater operating pressure.  Transparent acrylic tube housings shall be protected by a perforated steel safety shield.
     5. Filters shall be Hankison, DelTech, Wilkerson, or Arrow Pneumatics. Substitutions shall be allowed per Division 01.  Furnish one (1) spare filter element per filter.
     6. Provide a PRV, oil filter and air filter combination assembly at each end use pneumatic device so that all pneumatic devices receive a clean and dry air supply.
        • The control air filters shall remove oil and solid particles from the compressed air.
        • Particulate filters shall be rated for 100 percent removal of all solids 5 micron and larger, 100 percent removal of liquid water, and removal of oil aerosols 0.01 microns and larger. Filters shall include replaceable filter element and automatic piston drain.
        • Filters shall be selected for a maximum pressure drop of 5 psig at device capacity. Filter bodies shall be rated for 150 psig or greater operating pressure.  Provide ¼-inch ports.  Provide relief valve set at 30 psig.
        • Filter/PRV’s selection based on Wilkerson, Model Combination C08. Substitutions shall be allowed per Division 01.
     7. For systems where no pneumatic tubing is subject to temperatures below 40 degrees F and without refrigerated dryers, provide an air-cooled refrigerated dryer with flow capacity at 100 degrees F, 100 psig saturated entering air, and 40 degrees F leaving dew point equal to or exceeding air compressor capacity.
        1. 1. Refrigerated dryer shall be a single package unit with all necessary piping, refrigerant, controls, wiring and accessories.
           2. Dryer shall include refrigeration system, on/off switch, inlet air pressure gauge, and water separator with automatic drain. Refrigerant shall be R-134a. System shall be labeled by CSA or UL.
           3. Manufacturer shall be Hankison, Wilkerson, DelTech, Ingersol-Rand or Arrow Pneumatics.
     8. For systems with outdoor pneumatic components or components otherwise exposed to ambient conditions, provide a desiccant-type heatless self-regenerative air dryer for piping providing air supply to these components.
        • Dryer capacity shall exceed connected load, plus a 30 percent allowance for expansion with inlet conditions of 100 degrees F, saturated air at 100 psig, and outlet conditions of minus 40 degrees F dew point.
        • Dryer maximum air pressure drop at rated flow shall not exceed 5 psig. Required air flow for regeneration shall not exceed 20 percent of dryer output capacity.
        • Dryer shall include two desiccant towers, piping, changeover valves, exhaust silencers, controls and wiring.
        • Desiccant towers shall be designed in accordance with the ASME Boiler and Pressure Vessel Code, Section VIII, and shall be ASME stamped for 125 psig working pressure, and fitted with suitable relief valves if tower physical size places tower within the scope of the Code where stamp is required.
        • Desiccant dryers shall be as manufactured by Hankison, Deltech, Arrow Pneumatics, Ingersol-Rand or Zurn.
     9. Main Air Piping (between the compressors and the field control panels): Hard drawn copper tubing, ASTM B 88, Type L.
     10. Branch Air Piping (to include main air between field control panels and field devices: Seamless copper tubing, Type K or L, ASTM B 88; with cast-bronze solder joint fittings, ANSI B1.18; or wrought-copper solder-joint fittings, ANSI B16.22; except brass compression-type fittings at connections to equipment.  Solder shall be 95/5 tin antimony, or other suitable lead free composition solder.
     11. Branch Air Piping Termination and Tubing within Control Panels: Virgin polyethylene non-metallic tubing type FR, ASTM D 2737. Use compression or push-on brass fittings.>

  3. Instrument Pipe and Tube: <Confirm all specifications as they relate to system design. Modify as required to match design parameters>

     1. Hydronic and Instruments:

        • Connection to Main Piping: Provide ½ inch minimum size threadolet, ½ inch x 2 inch brass nipple, and ½ inch ball valve for connection to welded steel piping.  Provide tee fitting for other types of piping.
        • Remote Instruments: Adapt from ball valve to specified tubing and extend to remote instruments.  Provide a union or otherwise removable fitting at ball valve so that connection to main can be cleaned with straight rod. Where manifolds with test ports are not provided for instrument, provide tees with ¼ inch FPT branch with plug for use as test port.  Adapt from tubing size to instrument connection.
        • Line Mounted Instruments: Extend rigid piping from ball valve to instrument.  Do not use close or running thread nipples.  Adapt from ball valve outlet to instrument connection size.  Provide a plugged tee if pipe makes 90 degree bend at outlet of valve to allow cleaning of connection to main with straight rod without removing instrument.
        • Instrument Tubing: Seamless copper tubing, Type K or L, ASTM B 88; with cast-bronze solder joint fittings, ANSI B1.18; or wrought-copper solder-joint fittings, ANSI B16.22; or brass compression-type fittings.  Solder shall be 95/5 tin antimony, or other suitable lead free composition solder.  Tubing outside diameter size shall be not less than the larger of ¼ inch or the instrument connection size.
        • Rigid Piping for Line Mounted Instruments: Schedule 40 threaded brass, with threaded brass fittings.

     2. Low Pressure Air Instrument Sensing Lines

        1. Connections: Use suitable bulkhead type fitting and static sensing tip for static pressure connections. Adapt tubing to instrument connection.
        2. Tubing: Virgin polyethylene non-metallic tubing type FR, ASTM D 2737, with flame-retardant harness for multiple tubing. Use compression or push-on brass fittings.
  4. Communication Wiring: All wiring shall be in accordance with the latest edition of the National Electrical Code and Division 26.  Communication wiring shall be provided in a customized color jacketing material.  Material color shall be as submitted and approved by Owner.  In addition, all wiring jackets shall be factory labeled as “IAS <BAS, BMS (be consistent throughout)> Communications” in three (3) foot or fewer intervals along the length of the jacket material. Each end of the wire, originating and terminating end shall have a unique label identifying the purpose of the wire. An example of the required submittal and the application is provided below:
     

     Purpose	Function	Color	Unique Label
     Primary Communications DLN	Field Device Communication	Red / Pink	Refer to 25 05 00 Article 3.06
     Spare Primary Communication DLN	Field Device Communication	Yellow	Refer to 25 05 00 Article 3.06
     Secondary Communications DLN	Equipment Integration	Orange	Refer to 25 05 00 Article 3.06
     Spare Secondary Communication DLN	Equipment Integration	Purple	Refer to 25 05 00 Article 3.06
     FACLAN	Enterprise Network	Dark Blue	Refer to 25 05 00 Article 3.06
     Spare FACLAN	Enterprise Network	Green	Refer to 25 05 00 Article 3.06
     Analog Points	I/O Wiring	White	Refer to 25 05 00 Article 3.06
     Digital Points	I/O Wiring	White / Black Stripe	Refer to 25 05 00 Article 3.06
     Emergency Power	Control power	Yellow / Black Stripe	Refer to 25 05 00 Article 3.06
     24VAC	control power	Gray	Refer to 25 05 00 Article 3.06

1. • Device Level Network (DLN): Contractor shall supply all communication wiring between Network Controllers, Routers, Gateways, PCU’s, ASC’s, RIO’s and local and remote peripherals <integrate with existing communication infrastructure as illustrated on the design drawings>.
   • Local Supervisory Facility LAN (FAC LAN): For any portions of the FAC LAN required under this Section of the Specification, Contractor shall use <multimode fiber (62.5 micron) or Category 5E cable per TIA/EIA 68 (10BaseT)>. Network shall be run with no splices and separate from any wiring over thirty (30) volts.
   • Primary (Master) and Secondary (Slave or Spare) Controller DLNs: Communication wiring shall be individually 100 percent shielded per manufacturer’s recommendations for distances installed, with overall PVC cover, Class 2, plenum-rated. DLN wiring shall be run with no splices and separate from any wiring over thirty (30) volts. Shield shall be terminated and wiring shall be grounded as recommended by building controller manufacturer.

• Signal Wiring: Contractor shall run all signal wiring in accordance with the latest edition of the National Electrical Code and Division 26. <Coordinate requirements with Division 26>
  • • Signal wiring to all field devices, including, but not limited to, all sensors, transducers, transmitters, switches, etc. shall be twisted, 100 percent shielded pair, minimum 18-gage wire, with PVC cover. Signal wiring shall be run with no splices and separate from any wiring above thirty (30) volts.
    • Signal wiring shield shall be grounded at controller end only unless otherwise recommended by the controller manufacturer.
• Low Voltage Analog Output Wiring: Contractor shall run all low voltage control wiring in accordance with the latest edition of the National Electrical Code and Division 26. <Coordinate requirements with Division 26>
  • • Low voltage control wiring shall be minimum 18-gage, twisted pair, 100 percent shielded, with PVC cover, Class 2 plenum-rated. Low voltage control wiring shall be run with no splices and separated from any wiring above thirty (30) volts.
• Control Panels: Refer to section 25 14 00

Typical Requirements for Control Valves used in Integrated Automation System

• CRITICAL SERVICE CONTROL VALVES <Modify as required to match project design>

  1. 1. <Control valve sizing and selection is the initial responsibility of the Engineer and not left to the IAS Contractor. Engineer shall provide a valve schedule that lists the requirements of the valves for Cv, close off, temperature etc.  This should be a result of analyzing the valves performance across the range of control.  Provide the ‘Control Valve Specification Sheet’ at the end of this Section.>
     2. General:
        • Provide factory fabricated control valves of type, body material and pressure class indicated on the Control Valve Schedule. Contractor shall utilize the schedule to submit the control valves for the Project.
        • Valves shall be as manufactured by <Honeywell Fisher Controls International, Valtek Control Products, DeZurik/Copes-Vulcan, Keystone, , Leslie Controls Inc., or equal.>
        • Where type or body material is not indicated, provide selection as determined by manufacturer for installation requirements and pressure class, based on maximum pressure and temperature in piping system.
        • Provide valve size in accordance with scheduled or specified maximum pressure drop across control valve.
        • Control valves shall be equipped with heavy-duty actuators and pilot positioners with proper close-off rating and capability for each individual application.
        • Minimum close-off rating shall be as scheduled and adequate for each application, and shall generally be considered at dead head rating of the pump.

Control Dampers Technical Requirements for Integrated Automation System

All Actuators Types (Pneumatic, Electrical) Technical Requirements in IAS

• General Field Devices <Modify as required to match project design>

  • 1. 1. Provide field devices for input and output of digital (binary) and analog signals into controllers (RIO, PCUs, ASCs). Provide signal conditioning for all field devices as recommended by field device manufacturers and as required for proper operation in the system.
       2. It shall be the Contractor’s responsibility to assure that all field devices are compatible with controller hardware and software.
       3. Field devices specified herein are generally ‘two-wire’ type transmitters, with power for the device to be supplied from the respective controller. If the controller provided is not equipped to provide this power, is not designed to work with ‘two-wire’ type transmitters, if field device is to serve as input to more than one controller, or where the length of wire to the controller will unacceptably affect the accuracy, the Contractor shall provide ‘four-wire’ type transmitters and necessary regulated DC power supply or 120 VAC power supply, as required.
       4. For field devices specified hereinafter that require signal conditioners, signal boosters, signal repeaters, or other devices for proper interface to controllers, Contractor shall furnish and install proper device, including 120V power as required. Such devices shall have accuracy and repeatability equal to, or better than, the accuracy and repeatability listed for respective field devices.
       5. Accuracy: As stated in this Section, accuracy shall include combined effects of nonlinearity, non-repeatability and hysteresis.
       6. Temperature transmitters shall be sized and constructed to be compatible with the medium to be monitored. Transmitters shall be equipped with a linearization circuit to compensate for non-linearities of the sensor and bridge to provide a true linear output signal.
       7. Sensors used in energy or process calculations shall be accurate to ±0.10°C over the process temperature range. Submit a manufacturer’s calibration report indicating that the calibration certification is traceable to the National Bureau of Standards (NBS) Calibration Report Nos. 209527/222173.
       8. The following accuracy’s are required and include errors associated with the sensor, lead wire and A to D conversion. <Verify accuracy requirements, modify list as required>
  • Point Type                                        Accuracy
    Outside Air                                          0.2 °C
    Chilled/Hot Water                                 0.2 °C
    Room Temperature                              0.2 °C
    Duct Temperature                                0.2 °C
    Sensors Used in EnergyWater (BTU) or ProcessCalculations                                        +/-1%

Temperature Sensors Technical Requirements for Integrated Automation System

• Humidity Transmitters <Modify as required to match project design>
  1. Units shall be suitable for duct, wall (room) or outdoor mounting. Unit shall be a solid state component using a two-wire transmitter utilizing bulk polymer resistance change or thin film capacitance change humidity sensor.  Unit shall produce linear continuous output of 4-20 mA or 0-10 VDC for a linear proportional output relating to percent of relative humidity (% RH).  A combination temperature and humidity sensor may be used for zone level monitoring.  Sensors shall have the following minimum performance and application criteria:
     • Input Range: 0 to 100% RH.
     • Accuracy (% RH): +/- 2 percent between 20-90% RH at 77 degrees F, including hysteresis, linearity, and repeatability.
     • Sensor Operating Range: As required by application.
     • Long Term Stability: Less than 1 percent drift per year.
     • Outside air relative humidity sensors shall be installed in a rain proof perforated cover. The transmitters shall be installed in a NEMA 3R enclosure with sealtite fittings and stainless steel bushings.
     • Sensor shall be shipped factory calibrated.
     • Duct type sensing probes shall be constructed of 316 stainless steel and equipped with a neoprene grommet, bushings and mounting bracket.
  2. Acceptable Manufacturers: <Confirm list>
     • Honeywell
     • General Eastern
     • Microline
     • Hy-Cal HT Series
     • Pre-Con
     • BAPI
     • Approved equal
• Carbon monoxide/Nitrogen dioxide Sensors (CO, no2) <Modify as required to match project design>
  1. General: The sensor shall contain an electro-chemical carbon monoxide sensor with temperature compensation circuits and electro-chemical nitrogen dioxide sensor.
     • Listing: ETL
     • Materials: NEMA 1 enclosure shall be constructed of heavy polycarbonate plastic. The cover shall close flush with the sides of the box and shall require a special tool to open it. The sensor shall be exposed to ambient air to allow for proper sensing. The case shall conform to the UL 3111-1 standard.
     • Overcurrent protection: Fused 0.2 Amp at 250 VAC (time lag)
     • Power LED: Green
     • Range: 0-10 ppm (NO2), 0-500 ppm (CO).
     • Output: 0-10VDC, 4-20mA
     • Stability: 5 percent over 5 years.
  2. Acceptable Manufacturers: <Confirm list>
     1. Honeywell
     2. Brasch Manufacturing Company, Inc.
     3. Approved equal
• Carbon Dioxide Sensors (CO2) <Modify as required to match project design>
  1. General: CO2 sensors shall use silicon based, diffusion aspirated, infrared single beam, dual-wavelength sensor.
     1. Listing: ETL
     2. Materials: Molded plastic enclosure
     3. Rating: 0 to 5000ppm
     4. Mounting: Duct or Wall as indicated
     5. Range: 0 to 2000ppm / 0-5000 User selectable
     6. Accuracy: +/- 36ppm at 800 ppm and 68 degrees
     7. Output: 0-10VDC, 4-20mA or alarm relay
     8. Stability: 5 percent over 5 years.
  2. Acceptable Manufacturers: <Confirm list>
     1. Honeywell
     2. Vaisala, Inc. GMD20 (duct) or GMW20 (wall)
     3. Approved equal

DIFFERENTIAL PRESSURE TRANSMITTERS TECHNICAL REQUIREMENTS FOR IAS

SPACE STATIC PRESSURE SENSORS TECHNICAL REQUIREMENTS FOR IAS

AIRFLOW MEASURING STATIONS TECHNICAL REQUIREMENTS FOR IAS

PRESSURE SWITCHES (PS) & DIFFERENTIAL PRESSURE SWITCHES (DPS) TECHNICAL REQUIREMENTS

TRANSDUCERS TECHNICAL REQUIREMENTS FOR INTEGRATES AUTOMATION SYSTEM

Current Switches (CS) Technical Requirements for IAS

CONTINUOUS LEVEL TRANSMITTERS TECHNICAL REQUIREMENTS FOR IAS

FLOW METERS (DIFFERENT SERVICES) TECHNICAL REQUIREMENTS FOR IAS

• STRAP-ON AQUSTAT <Modify as required to match project design>
  • UL listed, provided with a suitable removable spring clip for attaching aquastat to pipe and a snap-action SPDT switch. Switch setpoint shall be as indicated. Electrical rating shall be 5 amperes, 120 VAC.

ELECTRIC AND PNEUMATIC CONTROL COMPONENTS FOR IAS

• THERMOWELLS <Modify as required to match project design>

  1. When thermowells are required, the sensor and well shall be supplied as a complete assembly including well head and greenfield fitting, except where wells are to be installed under separate contract. <Specifications and IAS Drawings must delineate responsibility for thermowell installation>
  2. Thermowells shall be pressure rated and constructed in accordance with the system working pressure.
  3. Thermowells and sensors shall be mounted in a threadolet or 12.7 mm NPT saddle and allow easy access to the sensor for repair or replacement.
  4. Thermowells shall be constructed of the following materials:
     • Chilled and Hot Water; brass.
     • Steam; 316 stainless steel.
     • Brine (salt solutions): marine grade stainless steel.

• Power Meters

  5. Refer to Section 25 11 05.
• NAMEPLATES <Modify as required to match project design>
  1. Provide engraved phenolic or micarta nameplates for <all equipment, components, and field devices furnished>. Nameplates shall be 1/8 inch thick, black, with white center core, and shall be minimum 1 inch x 3 inch, with minimum ¼ inch high block lettering.  Nameplates for devices smaller than 1 inch x 3 inch shall be attached to adjacent surface.
  2. Each nameplate shall identify the function for each device.

• TESTING EQUIPMENT

  1. Contractor shall test and calibrate all signaling circuits of all field devices to ascertain that required digital and accurate analog signals are transmitted, received, and displayed at system operator terminals, and make all repairs and recalibrations required to complete test. Contractor shall be responsible for test equipment required to perform these tests and calibrations. Test equipment used for testing and calibration of field devices shall be at least twice as accurate as respective field device (e.g., if field device is +/- 0.5 percent accurate, test equipment shall be +/- 25 percent accurate over same range).

Installation of Control System (Integrated Automation System)