Appendix_I_-_Requirements_for_Controls_and_Instruments_Jul_2015.pdf

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Tobyhanna Army Depot Requirements for Controls and Instruments

DPW Engineering Division DATE 24 October 2011

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SECTION 23 09 23

CONTROLS AND INSTRUMENTATION (DDC)

PART 1 GENERAL

1.1 SYSTEM DESCRIPTION

Furnish all labor, materials, equipment, service, and training necessary for a complete, operational, and fully commissioned direct digital control (DDC) system for the facilities identified on the contract drawings. The DDC system shall be an expansion of the existing Tridium based web-server platform. The system shall use the ANSI 709.1 LonTalk protocol at the field bus level of the architecture and Tridium Fox at the Transmission Control

Protocol/Internet Protocol (TCP/IP) level. If there is a conflict in plans, specification or related work the most restrictive takes precedence. Included in the project will be maintenance and warranty for 1 year from the day of acceptance by the

Government.

1.2 RELATED WORK:

A. TOBYHANNA ARMY DEPOT Electrical Installation Design Guide (IDG).

B. Standard Specifications for Projects Under the National

Environmental Policy Act (NEPA) in Accordance with AR 200-2

Proponent AMSEL-TY-RK-E

C. Unified Facility Guide Specifications

D. Tobyhanna AutoCAD SPEC

E. Tobyhanna GIS Standard

1.3 Drawings and general provisions of the Contract, including General

Conditions and General Requirements apply to this section.

1.4 The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only. Latest edition of the following will be the referenced publications.

A. AIR MOVEMENT AND CONTROL ASSOCIATION (AMCA)

AMCA 500-D Laboratory Methods of Testing Dampers for

Rating

B. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) / AMERICAN SOCIETY

OF MECHANICAL ENGINEERS (ASME) / ELECTRONIC INDUSTRIES ALLIANCE

(EIA) / FLUIDS CONTROL INSTITUTE (FCI)

ANSI/ASHRAE 15 Safety Code for Mechanical Refrigeration

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ANSI/ASME B16.34 Valves – Flanged, Threaded, and Welded

Ends

ANSI C12.1 Code for Electricity Metering

ANSI/EIA 709.1B Control Network Protocol Specification

ANSI/EIA 709.3 Free-Topology Twisted-Pair Channel

Specification

ANSI/FCI 70.2 Control Valve Seat Leakage

C. AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

D. FEDERAL COMMUNICATIONS COMMISSION (FCC)

FCC EMC FCC Electromagnetic Compliance

Requirements

FCC Part 15 FCC Rules and Regulations Part 15: Radio

Frequency Devices (Volume II)

E. INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE C62.41 Surge voltages in Low-Voltage AC Power circuits

IEEE 100 IEEE Standard Dictionary of Electrical and Electronics Terms

IEEE 142 (1991) IEEE Recommended Practice for

Grounding of Industrial and Commercial

Power Systems

IEEE 802.1D Media Access Control Bridges

IEEE 802.2 Standards for Local Area Networks:

Logical Link control

F. INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO OSI Model Open Systems Interconnection Reference

Model

G. LONMARK INTEROPERABILITY ASSOCIATION

SNVT Master List LonMark® SNVT Master List

SCPT Master List LonMark® SCPT Master List

LonMark XIF Guide LonMark® Device Interface File Reference

Guide

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Junction Box and

Wiring Guidelines for

Twisted Pair LONWORKS

Networks

LONWORKS Engineering Bulletin

H. NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 Enclosures for electrical Equipment (1000

Volt Maximum)

I. NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 National Electrical Code

NFPA 90A Installation of Air Conditioning and

Ventilation Systems

NFPA 262 Test for Flame-Propagation and Smoke

Density Values for Electrical and Optical

Fiber Cables Used in Spaced Transporting

Environmental Air

J. UNDERWRITER’S LABORATORIES (UL)

UL 1778 Standard for Uninterruptible Power Supply

Equipment

UL 60950 Safety of Information Processing and

Business Equipment

UL 916 Energy Management Equipment

UL 1585 Class 2 and Class 3 Transformers

UL 555 Standard for Fire Dampers

UL 555S Leakage Rated Dampers for Use in Smoke

Control Systems

UL 94 Tests for Flammability of Plastic

Materials for Parts in Devices and

Appliances

UL 268A Smoke Detectors for Duct Application

K. U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

47 CFR Part 15 Radio Frequency Devices

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21 CFR Part 11 Administrative Practice and Procedure, Computer Technology, Reporting and Record

Keeping Requirements

1.5 SUBMITTALS

A. Shop Drawings and Product Data shall meet submitted and approved prior to any construction.

1. Shop drawings shall be 11 inch by 17 inch, landscape, bound on the left edge. They shall be produced with AutoCAD.

Organize the packages by building.

2. All text based documents and product data sheets shall be 8

½ inch by 11 inch format bound on the left edge. To the maximum extent possible Adobe Acrobat shall be used to produce the documents in a Portable Document Format (PDF) file.

3. Software files shall be submitted on fully labeled CDs that shall include a table of contents file in PDF format that provides a description of all of the files on the Compact

Disc (CD).

4. All Submittals will be submitted using Document ENG FORM

B. Submittals Prior To Construction

1. Shop Drawings

a. System Architecture Design Diagram:

1) This is a riser diagram that shall show the IP layer and all of the field bus layers.

2) It shall show each computer, printer, along with new network area controllers (NAC) and other controllers, existing DDC system that are connected to the IP layer.

3) This diagram shall include the existing control system that is to be integrated into the common enterprise level system.

4) Each component that is shown shall have a name that is representative of how it will be identified in the completed database and the manufacturer’s name and model number and device location. Example: Device C17: AHU1

Controller, ACME Model 30 Building 20.

5) The physical relationship of one component to another component shall reflect the proposed installation. Example: If AHU1 controller is the closest controller to the NAC router on the field bus, then this device shall be shown as the first device on the riser diagram just below the NAC router. This requirement does

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2/1/2012 23 09 23-7 not apply to the existing control system to be integrated except for the new components to be installed, such as the AH, TL and the ATS device. The relationship of these devices to the existing NAC router or Building Controller shall be specific and accurate.

6) This diagram shall not include power supplies, sensors or end devices.

b. Layout Design Drawing for each control panel:

1) The layout drawing shall be to scale with all devices shown in their proposed positions.

2) All control devices shall be identified by name.

3) All terminal strips and wire channels shall be shown.

4) All control transformers shall be shown.

5) All 120 Volts Alternating Current (VAC) receptacles shall be shown.

6) All IP connection points shall be shown.

c. Wiring Design Diagram for each control panel.

1) The control voltage wiring diagram shall clearly designate devices powered by each control transformer. If the control devices use half wave power, the diagram shall clearly show the consistent grounding of the appropriate power connection. All wire identification numbers shall be annotated on the diagram.

2) The LON wiring diagram shall clearly show the use of the daisy chain wiring concept, the order in which the devices are connected to the

LON and the location of end of segment termination devices. All wire identification numbers shall be annotated on the diagram.

3) If shielded communication wiring is used, the grounding of the shield shall be shown.

4) The terminal strip wiring diagram shall identify all connections on both sides of the terminal strip. Wiring label numbers for all wiring leaving the control panel shall be annotated on the diagram.

d. Wiring Design Diagram for individual components

(controllers, protocol translators, etc.): The wiring diagram for each component shall identify all inputs/outputs (I/O), power and communication wiring, and the locations on the terminal blocks to which the wires are landed. Example: Fan Status sensor is

2/1/2012 23 09 23-8 wired from terminals 5/6 on the controller to terminals 17 and 18 on the terminal strip.

e. Installation Design Detail for each I/O device.

1) Include a drawing of the wiring details for each sensor and/or end device.

2) For devices with multiple quantities a standard detail may be submitted.

f. A System Flow Design Diagram for each controlled system.

1) A two dimensional cross sectional diagram showing key components such as fans, coils, dampers, valves, pump, etc.

2) Identify the locations and names of all sensors and end devices that are associated with the control system. Label the panel name and terminal numbers where the connections are landed.

3) A legend shall be provided for all symbols used.

2. Data

a. Direct Digital Control System Hardware Technical

Data.

1) A complete bill of materials of equipment to be used indicating quantity, manufacturer and model number.

2) Manufacturer’s description and technical data for each unique device to include performance curves, product specification sheets and installation instructions. When a manufacturer’s data sheet refers to a series of devices rather than a specific model, the data specifically applicable to the project shall be highlighted or clearly indicated by other means.

3) This requirement applies to:

a) Controllers

b) Transducers/Transmitters

c) Sensors

d) Actuators

e) Valves

f) Relays and Switches

g) Control Panels

h) Power Supplies

i) Batteries

j) Operator Interface Equipment

b. An Instrumentation List for each system.

1) The list shall be in a table format.

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2) Include name, type of device, manufacturer, model number and product data sheet number.

c. Sequence of Control: A sequence of control for each system being controlled. Include the following as a minimum.

1) Process control sequence for each end device.

2) Supervisory logic sequence of control for each system.

3) The impact of each global application program on the sequence of control (Example:

Temperature Reset).

4) A list of all physical inputs and outputs associated with each sequence.

5) Within the sequence of control, all application parameters that are to be user adjustable from an OWS shall be annotated with (“adj”) after the name of the parameter. This shall include set points, reset schedule parameters, calibration offsets, timer settings, control loop parameters such as gain, integral time constant, sample rates, differentials, etc.

6) Within the sequence of control, all calculated values that are to be viewable at the OWS shall be annotated with (“rpt”) after the name.

7) All points that shall be subject to manual control from an operator workstation.

8) A list of all alarm points, a description of the alarm and a description of the alarm criteria.

9) A list of all variables for which historical trending will be applied, the sample rates and any criteria used to start and stop the historical trending.

d. Binding Map

1) A list of the device to device data flow. This shall not include the flow of data from devices to the presentation system. Include:

a) Description of the variable

b) Sending device

c) Receiving device

2) Standard Network Variable Type (SNVT) used

e. Graphic Pages: Submit a sample graphic page for each type of page described in the specification section on graphic pages.

C. SUBMITTALS DURING CONSTRUCTION

1. Training Manuals for each Training Course Project Specific

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a. Six weeks (adjustable) in advance of the training, submit the following:

1) List of training objectives.

2) Outline of the course with time allocations per topic.

3) Training presentation material (slides, word documents, etc.).

4) Copy of training reference material (product manuals to be used, etc.).

5) Schematic of the training equipment to be used with model numbers on each component.

6) A description of the measurement devices to measure training effectiveness (quizzes, programming exercises, course exam).

7) Instructor’s name and resume with an emphasis on experience in presenting training programs.

b. Submit the following within 3 weeks of training completion:

1) List of attendees.

2) Performance scores on the assessment devices.

2. Startup Testing Plan: Submit a start up testing plan for each unique system.

a. The purpose of a startup test is to demonstrate the

“completeness” of the physical tasks associated with installation and the physical performance of the components.

b. For each task on the startup test checklist, the plan shall require the technician to enter his or her initials and the date the test was completed along with any recorded data such as voltages, offsets or tuning parameters. Any deviations from the submitted installation plan shall also be recorded.

c. Required elements of the startup testing include:

1) Measurement of voltage sources, primary and secondary

2) Verification of proper controller power wiring.

3) Verification of component inventory when compared to the submittals.

4) Verification of labeling on components and wiring.

5) Verification of connection integrity and quality (loose strands and tight connections).

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6) Verification of bus topology, grounding of shields and installation of termination devices.

7) Verification of point checkout.

8) Each I/O device is landed per the submittals and functions per the sequence of control.

9) Analog sensors are properly scaled and a value is reported

10) Binary sensors have the correct normal position and the state is correctly reported.

11) Analog outputs have the correct normal position and move full stroke when so commanded.

12) Binary outputs have the correct normal state and respond appropriately to energize/de-energize commands.

13) Documentation of analog sensor calibration

(measured value, reported value and calculated offset).

14) Documentation of Loop tuning (sample rate, gain and integral time constant).

d. Submit at least four weeks prior to any scheduled start-up tests.

3. Startup Testing Report

a. Startup testing reports shall be submitted on a per system basis.

b. Startup testing reports shall be the documented results of the executed startup testing plans.

4. Performance Verification Testing Plan: Submit a verification plan for each system.

a. The purpose of a performance verification test is to ensure that the system performs in accordance with the sequence of control. For each end device that is controlled, there shall be a series of step by step cause and effect tests to verify each aspect of the sequence of control.

b. A performance verification test shall also be defined for the operator interaction with the system. Test elements shall be written to require the verification of all operator interaction tasks including, but not limited to the following.

1) Graphics navigation.

2) Trend data collection and presentation.

3) Alarm handling, acknowledgement and routing.

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4) Time schedule editing.

5) Application parameter adjustment.

6) Manual control.

7) Report execution.

8) Automatic backups.

9) Web Client access.

c. Submit at least 4 weeks prior to the scheduled execution of the test.

5. Performance Verification Testing Report

a. Performance Verification Testing reports shall be submitted on a per system basis.

b. Performance Verification Testing reports shall be the documented results of the executed performance verification testing plans.

6. System Testing Plan: Submit a single system testing plan for the entire project.

a. The test plan shall require that the system performance be monitored by the contractor for a period of 5 business days.

b. All events relating to abnormal system performance shall be recorded in a log along with the diagnosis and corrective action taken.

c. Key abnormal events shall include, but should not be limited to the following:

1) Loss of communication with a field bus device.

2) Failure to upload trend data.

3) System server shutdowns and restarts.

4) Work station shutdowns and restarts.

5) Ineffective operator actions.

7. System Testing Report: A single system testing report shall be submitted. It shall include:

a. The DDC OWS event log of all system activity for the time period of the test.

b. All alarm files for the time period of the test.

c. The contractor’s log of abnormal events, diagnosis and corrective actions.

D. Submittals After Construction

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1. The following is a list of post construction submittals that shall be updated to reflect any changes during construction and re-submitted as “As-Built”.

a. System architecture drawing.

b. Layout drawing for each control panel.

c. Wiring diagram for each control panel.

d. Wiring diagram for individual components.

e. System flow diagram for each controlled system.

f. Instrumentation list for each controlled system.

g. Sequence of control.

h. Binding map.

i. GIS location of all Control Panels per Tobyhanna standards

2. Laminate a set of control panel as-built drawings and place in control panels.

3. Operation and Maintenance Manuals

a. Operations and Maintenance Manuals shall consist of two parts. The information shall be in three ring binders with tabs and a table of contents. Diagrams shall be on 11” by 17” foldouts. If color has been used to differentiate information, the printed copies shall be in color.

b. Part I: Information common to the entire system.

This shall include but not be limited to the following.

1) Product manuals for the key software tasks.

a) Operating the system.

b) Administrating the system.

c) Engineering the operator workstation.

d) Application programming.

e) Engineering the network.

f) Setting up the web server.

g) Report creation.

h) Graphics creation.

i) All other engineering tasks.

2) System Architecture Diagram.

3) List of recommended maintenance tasks associated with the system servers, operator workstations, data servers, web servers and web clients.

a) Define the task.

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b) Recommend a frequency for the task.

c) Reference the product manual that includes instructions on executing the task.

4) Names, addresses, and telephone numbers of installing contractors and service representatives for equipment and control systems.

5) Licenses, guarantees, and warranty documents for equipment and systems.

6) Submit one copy for each building, plus two extra copies.

c. Part II: Information common to the systems in a single building.

1) System architecture diagram for components within the building annotated with specific location information.

2) As-built drawing for each control panel.

3) As-built wiring design diagram for each control panel.

4) As-built wiring design diagram for all components.

5) Installation design details for each I/O device.

6) As-built system flow diagram for each system.

7) Sequence of control for each system.

8) Binding map for the building.

9) Product data sheet for each component.

10) Installation data sheet for each component.

11) Submit two copies for each building and two extra copies.

4. Software

a. Submit a copy of all software provided on the project.

b. Submit all licensing information for all software installed on the servers and workstations.

c. Submit a copy of all software used to execute the project even if the software was not installed on the servers and workstations.

d. Submit all licensing information for all of the software used to execute the project.

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e. All software revisions shall be as installed at the time of the system acceptance.

5. Firmware Files

a. Submit a copy of all firmware files that were downloaded to or pre-installed on any devices installed as part of this project.

b. This does not apply to firmware that is permanently burned on a chip at the factory and can only be replaced by replacing the chip.

c. Submit a copy of all application files that were created during the execution of the project.

d. Submit a copy of all graphic page files created during the execution of the project.

e. Submit a copy of all secondary graphic files such as bitmaps, jpegs, etc. that were used in the creation of the graphic pages.

1.6 OWNERSHIP OF PROPRIETARY MATERIAL

A. The Government shall retain all rights to software for this project.

B. The Contracting Officer Representative (COR) shall sign a copy of the manufacturer’s standard software and firmware licensing agreement as a condition off this contractor. Such license shall grant use of all programs and application software to the

Government as defined by the manufacturer’s license agreement, but shall protect the manufacturer’s rights to disclosure of

Trade Secrets contained within such software.

C. The licensing agreement shall not preclude the use of the software by individuals under contract to the Government for commissioning, servicing or altering the system in the future.

Use of the software by individuals under contract to the

Government shall be restricted to use on the Government’s computers and only for the purpose of commissioning, servicing, or altering the installed system.

D. All project developed software, files and documentation shall become the property of the Government. These include but are not limited to:

1. Server and workstation software

2. Application programming tools

3. Configuration tools

4. Network diagnostic tools

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5. Addressing tools

6. Application files

7. Configuration files

8. Graphic files

9. Report files

10. Graphic symbol libraries

11. All documentation

12. All Passwords

1.7 QUALIFICATIONS

A. All work described in the plans and specifications shall be installed, wired and commissioned by factory certified technicians qualified for this work and in the regular employment of the control system manufacturer’s local office.

B. A local office is defined as a corporate branch office or an independently owned office with a current contractual agreement with the system manufacturer that allows the office to purchase, install and service the manufacturer’s products.

C. The local office shall be a full service facility within 200 miles of the project site. The local office shall be staffed with engineers and technicians trained on the installation, commissioning and service of energy management and control systems based on the LonWorks technology and Tridium based systems.

1.8 QUALITY ASSURANCE

A. All work, materials, and equipment shall comply with the rules and regulations of all codes and ordinances of the local, state, and federal authorities. Such codes, when more restrictive, shall take precedence over these plans and specifications. As a minimum, the installation shall comply with the current editions in effect 30 days prior to receipt of bids for all of the Codes and Standards listed in Section 1.2 of this specification.

B. Performance criteria for components, collections of components, communications and system performance are described in Section

2.0 Products.

C. Key quality assurance programs shall include the following which are described in Section 3.0, Execution.

1. Startup Testing

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2. Performance Verification Testing

3. System Performance Testing

PART 2 PRODUCTS

2.1 SYSTEM ARCHITECTURE

The contractor shall provide a Tridium based, open, interoperable peer-to-peer networked, distributed DDC system using ANSI/EIA Standard

709.1-A-2000, LONWORKS® technology communication protocols between nodes.

ANSI/ASHRAEtm Standard 135,BACnet or Modbus protocols maybe used only with prior approval from Tobyhanna Army Depot. Tridium Fox Protocol over IP over Tobyhanna Army Depot shall be used to communicate between

JACE devices and the Web Supervisor over the wide area network. The system shall provide total integration of the facility infrastructure systems with user access to all system data via the expansion of the existing Tridium Vykon AX based web-server platform connected to the

Depot’s network at the Ethernet level.

2.2 NETWORKING

A. IP NETWORK: All devices that connect to the Depot’s Wide Area

Network (WAN) shall be capable of operating at 10 megabits per second or 100 megabits per second.

B. FIELD BUS:

1. The field busses shall be LONWORKS® FTT-10A operating at 78 kilobits per second.

2. The wiring of components shall use a bus or daisy chain concept with no tees, stubs or free topology.

3. The wiring type and length limitations shall conform to

Echelon’s Junction Box and Wiring Guideline for Twisted

Pair LonWorks Networks.

4. Each field bus shall have a termination device at both ends of each segment.

C. IP TO FIELD BUS ROUTING DEVICES

1. Network area controller shall provide this functionality.

2. This device shall perform layer 3 routing of ANSI/EIA

709.1B packets onto the IP network.

D. PHYSICAL LAYER REPEATERS (PLR)

1. PLRs are required to connect two segments to create a channel.

2. The design of the PLRs shall conform to LONWORKS® standards.

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3. LON to LON routers configured as repeaters may be used as a

PLR.

4. Physical layer repeaters shall be installed in an enclosure. The enclosure may be in an interstitial space.

2.3 FIELD BUS DEVICES

A. GENERAL REQUIREMENTS

1. LONWORKS® Devices shall incorporate a service pin which, when pressed, will cause the device to broadcast its 48 bit node

ID and its program ID over the network. The service pin shall be distinguishable and accessible.

2. Devices shall have a light indicating that they are powered.

3. Devices shall incorporate a TP/FT-10A transceiver in accordance with ANSI/EIA 709.3 and connections for TP/FT control network wiring.

4. Devices shall be locally powered. Link powered devices are not acceptable.

5. Application programs shall be stored in a manner such that a loss of power does not result in a loss of the application program or configuration parameter settings.

B. NETWORK AREA CONTROLLER (NAC)

The Network Area Controller (NAC) shall provide the interface between the Depot’s LAN or WAN and the field control devices, and provide global field bus supervisory control functions over the control devices connected to the NAC. It shall be capable of executing application control programs to provide:

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 Network Management functions for all

LonWorks® based devices.

The Network Area Controller must provide the following hardware features as a minimum:

1. One Ethernet Port -10/100 Mbps.

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2. One RS-232 port.

3. One LonWorks® Interface Port – 78KB FTT-10A.

4. One RS-485 port.

5. Battery Backup.

6. 256MB Random Access Memory (RAM)

7. 128 MB Flash memory for long term data backup.

8. The NAC must be capable of operation over a temperature range of 0 to 55C.

9. The NAC must be capable of withstanding storage temperatures between 0 and 70C.

10. The NAC must be capable of operation over a humidity range of 5 to 95% RH, non-condensing.

Data Collection and Storage.

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

2. The data collection shall be performed by log objects, resident in the NAC that shall have, at a minimum, the following configurable properties:

a. Designating the log as interval or deviation.

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

c. For deviation logs, the object shall be configured for the deviation of a variable to a fixed value.

This value, when reach, will initiate logging of the object.

d. 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 collection when full, or rollover the data on a first-in, first-out basis.

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

3. All log data shall be stored in a relational database in the NAC and the data shall be accessed from a server (if the system is so configured) or a standard Web Browser.

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

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

a. HTML.

b. XML.

c. Plain Text.

d. Comma or tab separated values.

6. Systems that do not provide log data in HTML and XML formats at a minimum shall not be acceptable.

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

a. Archive on time of day.

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

c. Archive when log has reached its user-defined capacity of data stores.

d. Provide ability to clear logs once archived.

8. Provide NAC in Type 12 NEMA enclosure, with handle with lock, with 120 VAC power receptacle inside enclosure.

9. Acceptable Manufacturer: Tridium Based JACE

C. PROGRAMMABLE PROCESS CONTROLLERS (PPC)

1. The key characteristics of a PPC are:

a. They have physical input and output circuits for the connection of analog input devices, binary input devices, pulse input devices, analog output devices and binary output devices. The number and type of input and output devices supported will vary by model.

b. They may or may not provide support for additional input and output devices beyond the number of circuits that are provided on the basic circuit board. Support for additional I/O may be by additional circuit boards that physically connect to the basic controller or by a stand alone device that communicates with the basic controller via the FTT-

10A field bus.

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c. The application to be executed by a PPC is created by an application engineer using the vendor’s application programming tool.

2. Analog Input Circuits

a. The electrical signals from analog sensors shall be processed by an analog to digital (A/D) converter chip. The output of the A/D chip shall then be processed mathematically to produce data within the controller that has the required engineering units.

b. The resolution of the A/D chip shall not be greater than 0.01 Volts per increment. For an A/D converter that has a measurement range of 0 to 10 Volts Direct

Current (VDC) and is 10 bit, the resolution is

10/1024 or 0.00976 Volts per increment.

c. For non-flow sensors, the control logic shall provide support for the use of a calibration offset such that the raw measured value is added to the (+/-) offset to create a calibration value to be used by the control logic and reported to the Operator

Workstation (OWS).

d. For flow sensors, the control logic shall provide support for the use of an adjustable gain and an adjustable offset such that a two point calibration concept can be executed (both a low range value and a high range value are adjusted to match values determined by a calibration instrument).

e. For non-linear sensors such as thermistors and flow sensors the PPC shall provide software support for the linearization of the input signal.

3. Binary Input Circuits

a. Dry contact sensors shall wire to the controller with two wires.

b. An external power supply in the sensor circuit shall not be required.

4. Pulse Input Circuits

a. Pulse input sensors shall wire to the controller with two wires.

b. An external power supply in the sensor circuit shall not be required.

c. The pulse input circuit shall be able to process up to 50 pulses per second.

5. True Analog Output Circuits

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a. The logical commands shall be processed by a digital to analog (D/A) converter chip. The 0% to 100% control signal shall be scalable to the full output range which shall be either 0 to 10 VDC, 4 to 20 milliamps or 0 to 20 milliamps or to ranges within the full output range (Example: 0 to 100% creates 3 to 6 VDC where the full output range is 0 to 10 VDC).

b. The resolution of the D/A chip shall not be greater than 0.04 Volts per increment or 0.08 milliamps per increment.

6. Pulse Width Modulation Outputs with PWM transducers

a. The controller shall be able to generate incremental pulses as small as 0.1 seconds.

7. Binary Output Circuits

a. Single pole single throw or single pole double throw relays with support for up to 230 VAC and a maximum current of 2 amps.

b. Voltage sourcing or externally powered triacs with support for up to 30 VAC and 0.8 amps.

8. Program Execution

a. Process control loops shall operate in parallel and not in sequence unless specifically required to operate in sequence by the sequence of control.

b. The sample rate for a process control loop shall be adjustable and shall support a minimum sample rate of

1 second.

c. The sample rate for process variables shall be adjustable and shall support a minimum sample rate of

1 second.

d. The sample rate for algorithm updates shall be adjustable and shall support a minimum sample rate of

1 second.

e. The sample rates for pulse inputs shall be able to account for all input rates as sensed by monitored device.

f. The application shall have the ability to determine if a power cycle to the controller has occurred, and the application programmer shall be able to use the indication of a power cycle to modify the sequence of control immediately following a power cycle.

9. Local Interface: The controller shall support the connection of a portable interface device such as a laptop

2/1/2012 23 09 23-23 computer or vendor unique hand-held device. The ability to execute any tasks other than viewing data shall be password protected. Via this local interface, an operator shall be able to:

a. Adjust application parameters.

b. Edit time schedule parameters if time schedules are embedded in the controller.

c. Execute manual control of input and output points.

d. View dynamic data.

e. View alarm messages if alarm messaging is embedded in the controller.

10. Each PPC shall be networked to the field bus via FTT-10A network connection.

11. Each PPC shall be provided in Type 12 NEMA enclosure.

D. APPLICATION SPECIFIC DEVICES (ASD)

1. ASD shall have fixed function configurable applications.

2. If the application can be altered by the vendor’s application programming tool, the device is a programmable controller and not an application specific device.

3. All input and output network variables shall be formatted with SNVTs.

4. All input configuration parameters shall be formatted with

SNVTs or Standard Configuration Property Types (SCPTs). If

User-defined Network Variable Types (UNVTs) or User-defined

Configuration Property Types (UCPTs) are used, the device resource files that allow these custom parameters to be read shall be provided to the Government.

5. The network interface shall conform to the LONWORKS® profile for the application provided by the ASD.

6. Each ASD shall have a network interface port that allows for an external device to connect to the FTT-10A network by plugging into the port. This port shall be built into the controller.

7. Each ASD shall be networked to the field bus via FTT-10A network connection.

8. Each ASD shall be provided in Type 1 NEMA enclosure.

E. PROTOCOL TRANSLATORS

Bernard.Scranta Highlight

2/1/2012 23 09 23-24

1. No protocol translators shall be used to interface non-

LONWORKS® based controllers to the FTT-10A field bus.

2.4 SENSORS AND INSTRUMENTATION

A. Transmitters.

1. The electrical output of a transmitter shall be 0 to 10

VDC, 4 to 20 milliamps or 0 to 20 milliamps for analog variables and binary contacts for status variables.

2. The resolution of a transmitter may not exceed the following:

a. 0.01 Volts per increment for 0-10 VDC transmitters.

b. 0.02 Milliamps per increment for 4-20 or 0-20 milliamp transmitters.

c. The process variable change that corresponds to the transmitter resolution is the smallest reportable change that can be processed.

3. Transmitters that connect directly to the FT-10A field bus are considered to be application specific devices.

2.5 TEMPERATURE SENSORS

A. Temperature sensors may be transmitters or thermistors as long as all performance requirements are met.

B. RTDs shall only be used with transmitter based sensors. They shall not be wired directly to a controller.

C. Conditioned Space Temperature Sensors

1. Operating Range: 50 to 86 degrees F

2. Conformity: +/- 1 degree F over the specified operating range

3. Provide occupancy override push button and setpoint adjustment, where indicated.

D. Unconditioned Space Temperature Sensors

1. Operating Range: 20 to 150 degrees F

2. Conformity: +/- 1 degree F between 50 and 86 degrees F and

+/- 2 degrees F over the remaining range.

E. Duct Temperature Sensors

1. Operating Range: -50 to +150 degrees F

2/1/2012 23 09 23-25

2. Conformity: +/- 2 degrees F

F. Outside Air Temperature Sensors

1. Operating Range: -50 to +150 degrees F

2. Conformity: +/- 2 degrees F

G. High Temperature Hot Water

1. Operating Range: 150 to 450 degrees F

2. Conformity: +/- 2 degrees F

H. Chilled Water Temperature Sensors

1. Operating Range: 30 to 100 degrees F

2. Conformity: +/- 1 degree F

I. Dual Temperature (Chilled Water and Hot Water) Temperature

Sensors

1. Operating Range: 30 to 240 degrees F

2. Conformity: +/- 2 degrees F

J. Heating Hot Water

1. Operating Range: 70 to 250 degrees F

2. Conformity: +/- 2 degrees F

K. Condenser Water

1. Operating Range: 20 to 130 degrees F

2. Conformity: +/- 1 degree F

2.6 POINT TEMPERATURE SENSORS

A. Shall be encapsulated in epoxy, series 300 stainless steel, anodized aluminum, or copper.

2.7 THERMOWELLS

A. Thermowells shall be series 300 threaded stainless steel.

B. Inside diameter and insertion length shall be as required for the application.

2.8 RELATIVE HUMIDITY SENSORS

A. Shall use bulk polymer, resistive or thin film capacitive type, non-saturating sensing elements capable of withstanding a

2/1/2012 23 09 23-26 saturated condition without permanently affecting calibration or sustaining damage.

B. Shall include removable protective membrane filters.

C. For exterior installations, the sensors shall survive below freezing temperatures and direct contact with moisture without affecting sensor calibration.

D. For indoor installations, the sensor calibration shall not be altered by exposure to a condensing air stream.

E. The sensors shall be of the wall mounted or duct mounted type as required by the application and shall be furnished will all accessories for a complete and functional installation.

F. Sensors used in duct high limit applications shall use a bulk polymer resistive sensing element.

G. Duct mounted sensors shall be equipped with a duct probe designed to protect the sensing element from dust accumulation and mechanical damage.

H. Operating Range: 0 to 100% relative humidity.

1. Conformity: +/- 2 % relative humidity.

2. Environmental Range: 25 to 140 degrees F.

I. Acceptable Manufacturers: Vaisala, General Eastern, Automation

Components or Veris.

2.9 DIFFERENTIAL PRESSURE SENSORS

A. The operating range shall be as required by the application.

B. The over pressure rating shall be 150% of the highest design pressure to either input.

C. Conformity: +/- 2% of the operating range.

2.10 DIFFERENTIAL PRESSURE SWITCHES

A. Shall have a user adjustable setpoint.

B. The differential may be fixed or adjustable, but must meet the requirements of the sequence of control.

C. The range shall be such that the set point does not reside in the lower or upper quarter of the range.

D. Shall have two sets of contacts with each contact having a rating greater than the connected load.

E. One contact shall close on a rise above the differential and the other contact shall close on a fall below the differential.

2/1/2012 23 09 23-27

2.11 FLOW SWITCHES

A. Flow switches shall have a repetitive accuracy of +/-10% of actual flow setting. Switch actuation shall be adjustable over the operating flow range. The switch shall have Form C snap-action contacts, rated for the application.

B. The flow switch shall have non flexible paddle with magnetically actuated contacts and be rated for service at a pressure greater than the installed conditions.

C. Flow switch for use in sewage system shall be rated for use in corrosive environments encountered.

2.12 CURRENT TRANSDUCERS

A. Current transducers shall accept an AC current input and shall have an accuracy of +/- 2% of full scale.

B. An integral power supply shall be provided for the analog output signal if required. The device shall have a means for calibration.

2.13 CURRENT SENSING RELAYS

A. Current sensing relays (CSRs) shall provide a normally-open contact with a voltage and amperage rating greater than its connected load. Current sensing relays shall be of split-core design.

B. The CSR shall be rated for operation at 200% of the connected load. Voltage isolation shall be a minimum of 600 volts. The

CSR shall auto-calibrate to the connected load.

2.14 VOLTAGE TRANSDUCERS

A. Voltage transducers shall accept an AC voltage input and have an accuracy of +/-0.25% of full scale.

B. An integral power supply shall be provided if required for the analog output signal. The device shall have a means for calibration. Line side fuses for transducer protection shall be provided.

2.15 TEMPERATURE SWITCHES

A. Duct Mounted Low Limit Safety Switch

1. Duct mount temperature low limit switches (Freezestats) shall be manual reset, low temperature safety switches with a minimum element length of 1 foot per square-foot of coverage which shall respond to the coldest 18 inch segment with an accuracy of 3.6 degrees F. The switch shall have a field-adjustable set point with a range of at least +30 to

+50 degrees F. The switch shall have two sets of contacts, and each contact shall have a rating greater than its

2/1/2012 23 09 23-28 connected load. Contacts shall open or close upon drop of temperature below set point as shown and shall remain in this state until reset.

B. Pipe Mounted Limit Switch

1. Pipe mount temperature limit switches (aquastats) shall have a field adjustable set point between 60 to 90 degrees

F, an accuracy of +/- 3.6 degrees F) and a 10 degrees F fixed dead band.

2. The switch shall have two sets of contacts, and each contact shall have a rating greater than its connected load. Contacts shall open or close upon change of temperature above or below set point as shown.

2.16 DAMPER END SWITCHES

A. Each end switch shall be a hermetically sealed switch with a trip lever and over-travel mechanism.

B. The switch enclosure shall be suitable for mounting on the duct exterior and shall permit setting the position of the trip lever that actuates the switch. The trip lever shall be aligned with the damper blade.

2.17 DUCT SMOKE DETECTORS

A. Shall conform to the requirements of UL 268A.

B. Shall have perforated sampling tubes.

C. Shall be rated for air velocities that include air flows between

500 and 4000 feet per minute.

D. Shall have a minimum of two independent sets of contacts, one normally open (NO) and one normally closed (NC). The NC contact shall be rated for a 120 VAC starter circuit.

E. Upon detecting smoke in the duct, the NO contact shall close, the

NC contact shall open, and both sets of contacts shall remain in this state until reset.

F. Shall be capable of local manual reset or remote reset via dry contacts.

2.18 INDICATING DEVICES

A. All indicating devices shall display readings in inch-pound units.

B. Low Differential Pressure Gauges

1. Gauges for low differential pressure measurements shall be a minimum of 3.5 inch (nominal) size with two sets of

2/1/2012 23 09 23-29 pressure taps, and shall have a diaphragm-actuated pointer, white dial with black figures, and pointer zero adjustment.

2. Gauge range shall be suitable for the application with an upper end of the range not to exceed 150% of the design upper limit. Accuracy shall be plus or minus 2% of scale range.

2.19 OUTPUT DEVICES, VALVES AND DAMPERS

A. Output Devices that receive commands as network variables with data formatted with SNVTs are considered to be application specific devices.

B. These devices shall meet the requirements specified previously for application specific devices.

2.20 ACTUATORS

A. Actuators shall be electric (electronic).

B. All actuators shall be normally open (NO), normally closed (NC) or fail-in-last-position (FILP) as shown. Normally open and normally closed actuators shall be of mechanical spring return type.

C. Electric actuators shall have an electronic cut off or other means to provide burnout protection if stalled. Actuators shall have a visible position indicator.

D. Electric actuators shall provide position feedback to the controller as shown. Actuators shall smoothly open or close the devices to which they are applied.

E. Electric actuators shall have a full stroke response time in both directions of 90 seconds or less at rated load. Electric actuators shall be the direct-coupled type.

F. Where multiple electric actuators operate from a common signal, the actuators shall provide an output signal identical to its input signal to the additional devices.

G. Valve Actuators: Valve actuators shall provide shut-off pressures and torques as shown on the Valve Schedule.

H. Damper Actuators: Damper actuators shall provide the torque necessary per damper manufacturer's instructions to modulate the dampers smoothly over its full range of operation and torque shall be at least 6 inch-pounds per 1 square foot of damper area for opposed blade dampers and 9 inch-pounds per 1 square foot of damper area for parallel blade dampers.

I. Positive Positioning Devices: Positive positioning devices shall be a pneumatic relay with a mechanical position feedback mechanism and an adjustable operating range and starting point.

2/1/2012 23 09 23-30

2.21 RELAYS

A. Control relay contacts shall have utilization category and ratings selected for the application, with a minimum of two sets of contacts enclosed in a dust proof enclosure. Each set of contacts shall incorporate a normally open (NO), normally closed

(NC) and common contact.

B. Relays shall be rated for a minimum life of one million operations. Operating time shall be 20 milliseconds or less.

Relays shall be equipped with coil transient suppression devices to limit transients to 150% of rated coil voltage.

2.22 AUTOMATIC CONTROL VALVES

A. Valves shall have stainless-steel stems and stuffing boxes with extended necks to clear the piping insulation. Valve bodies shall meet ANSI/ASME B16.34 or ANSI/ASME B16.15 pressure and temperature class ratings based on the design operating temperature and 150% of the system design operating pressure.

B. Unless otherwise specified or shown, valve leakage shall meet

ANSI/FCI 70-2 Class IV leakage rating (0.01% of valve Kv).

Unless otherwise specified or shown, valves shall have globe-style bodies.

C. Control Valves:

1. Control valves shall be two-way or three-way type for two-position or modulating service as shown.

2. Close-off (differential) Pressure Rating: Valve actuator and trim shall be furnished to provide the following minimum close-off pressure ratings:

a. Water Valves:

1) Two-way: 150% of total system (pump) head.

2) Three-way: 300% of pressure differential between ports A and B at design flow or 100% of total system (pump) head.

b. Steam Valves: 150% of operating (inlet) pressure.

3. Water Valves:

a. Body and trim style and materials shall be per manufacturer's recommendations for design conditions-and service shown, with equal percentage ports for modulating service.

b. Sizing Criteria:

1) Two-position service: Line size, unless otherwise shown.

2/1/2012 23 09 23-31

2) Two-way modulating service: Pressure drop shall be equal to twice the pressure drop through heat exchanger

(load), 50% of the pressure difference between supply and return mains, or 5 psi, whichever is greater.

3) Three-way modulating service: Pressure drop equal to twice the pressure drop through the coil exchanger

(load), 35 kPa [5 psi] maximum.

4) Valves shall be constructed of a carbon steel body, stainless steel V-notch ball and shaft, low friction bearings and a low friction graphite ball seal.

5) Valves 2” and smaller shall be ANSI Class 150/300 multi-rated and have Universal End Connections for use with

NPT or ANSI Class 150/300 wafer connections.

6) Valves 2-½” and larger shall have ANSI Class 150 or 300 flanges as required by application.

7) Valves shall have a 90 degree rotation, 300:1 rangeability with equal percentage control characteristic.

8) Valve actuators shall be directly coupled to the valve with no intermediary linkage kit required.

9) Valve and linkage shall carry a 3 year unconditional warranty from the date of installation.

c. Water valves shall fail normally open or closed as scheduled on plans, or as follows:

1) Water zone valves – normally opened preferred.

2) Heating coils in air handlers – normally open.

3) Chilled water control valves – normally closed.

4) Other applications – as scheduled or as required by sequences of operation.

4. Steam Valves:

a. Body and trim materials shall be per manufacturer's recommendations for design conditions and service. Linear ports for modulating service.

b. Sizing Criteria:

1) Two-position service: pressure drop 10% to 20% of inlet psig.

2) Modulating service: 100 kPa [15 psig] or less: pressure drop 80% of inlet psig.

3) Modulating service: 101 to 350 kPa [16 to 50 psig]:

2/1/2012 23 09 23-32 pressure drop 50% of inlet psig.

4) Modulating service: over 350 kPa [50 psig]; pressure drop as scheduled on plans.

D. Unless otherwise specified the following applies:

1. Bodies for valves 1.5 inches and smaller shall be brass or bronze, with threaded or union ends.

2. Bodies for 2 inch valves shall have threaded ends.

3. Bodies for valves 2 to 3 inches shall be of brass, bronze, or iron.

4. Bodies for valves 2.5 inches and larger shall be provided with flanged-end connections.

5. For modulating applications, the valve coefficient shall be within 100 to 125% of valve coefficient shown.

6. For two position applications, where the two positions are full open and full closed, the valve coefficient shall be the largest available for the valve size.

7. Valve and actuator combinations shall be normally open or normally closed as shown.

E. Ball Valves

1. Balls shall be stainless steel or nickel plated brass.

2.…