General Construction Specifications
SECTION 13358
RADIO TELEMETRY SYSTEM
PART 1 - GENERAL
1.01 SECTION INCLUDES
A. Intelligent Remote Telemetry Unit (RTU).
B. Spread Spectrum Radio.
C. Antennas and Transmission cables.
D. Interface Cabinet (IFC).
1.02 SYSTEM DESCRIPTION
A. Radio equipment:
1. Provide radio capable of communicating with the Owner’s existing Master Station and Wide Area Network head-end radio.
2. Provide radio capable of communicating with the Owner’s existing Wide Area Network repeater radios and radio at other remote sites.
3. Provide spread spectrum low power radio communication approved by the F.C.C. for unlicensed used under part 15.247 of the F.C.C. regulations.
B. Remote Telemetry Unit (RTU):
1. Provide solid-state programmable RTU capable of stand-alone restarting and independent process control functions without the need for commands from a host processor.
2. Provide RTU capable of data acquisition and communication of data with the Owner’s existing Master Station via the Wide Area Network radios.
3. Provide solid-state random access memory (RAM) for data buffering change-of-state information, deadbands and calculations.
4. Provide self-contained RTU capable of collecting data through dry contact and current input, and capable of providing dry contact and analog control output.
1.03 RELATED SECTIONS:
A. Section 16111 - Conduit.
B. Section 16170 - Grounding and Bonding.
C. Section 16190 - Supporting Devices.
D. Section 16195 - Electrical Identification.
1.04 REFERENCES
A. American National Standards Institute (ANSI): ANSI/NFPA 70 - National Electrical Code.
B. Electrical Industries Association (EIA).
C. National Electrical Manufacturers Association (NEMA):
1. NEMA 250 - Enclosures for Electrical Equipment (1,000 Volts Maximum).
2. NEMA ICS 4 - Terminal Blocks for Industrial Control Equipment and Systems.
D. Underwriters Laboratories (UL): Applicable listings.
1.05 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Shop Drawings: Submit panel dimensions, component layout and identification, and complete wiring diagrams.
C. Product Data: Provide product data on all RTU and radio enclosures, and appurtenances.
D. Manufacturer’s Installation Instructions:
1. Indicate application conditions and limitation of use.
2. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of Product.
1.06 SUBMITTALS FOR CLOSEOUT
A. Section 01700 - Contract Closeout: Submittals for Contract Closeout.
1. Project record documents.
2. Furnish complete electrical wiring diagrams.
3. Accurately record actual locations of installed equipment.
B. Section 01730 - Operation and Maintenance Data.
1. Complete descriptive literature for each piece of equipment, including a list and description of all parts of each piece of equipment.
2. Data: Sheets containing information relative to components electrical requirements, system functioning or programming data.
1.07 REGULATORY REQUIREMENTS
A. Conform to requirements of FCC for operating unit.
B. Furnish products listed and classified by Underwriters Laboratories, Inc., as suitable for purpose specified and shown.
1.08 DELIVERY, STORAGE, AND HANDLING
A. Deliver, store, protect and handle products under provisions of Section 01600.
B. Accept, store, protect, and handle on site. Inspect for damage. Handle per manufacturer’s instructions.
C. Protect from corrosion and entrance of water, dust, and debris. Provide appropriate covering and space conditioning.
1.09 PROJECT/SITE CONDITIONS
A. Verify site conditions are appropriate for installation of prior to start of work.
B. Verify that field measurements are as indicated on shop drawings.
C. Coordinate installation of with Owner, three working days prior to starting work.
C. Verify that field measurements are as indicated on shop drawings.
D. Maintain any environmental conditions required by the manufacturer for installed equipment.
1.10 SEQUENCING
A. Sequence work under the provisions of Section 01010.
B. Sequence work to provide installation per manufacturer’s requirements.
C. Contact the Owner when installation RTU, IFC, antenna mast, antenna mount, and wiring are completed. The Owner will complete the installation.
1.11 COORDINATION
A. Coordinate work under provisions of Section 01039.
B. Coordinate the work with installation of other instrumentation equipment.
C. Coordinate the work with installation of RTU’s and work performed by the Owner.
D. Contractor’s Responsibilities:
1. Provide the RTU and IFC enclosures with appurtenances specified.
2. Provide the antenna and antenna mast as specified.
3. Furnish antenna cable as specified. Route antenna cable from RTU enclosure to the mounted antenna. Seal ends of cable to prevent entrance of moisture. Furnish antenna cable connectors and grounding kit to the Owner.
4. Provide RTU and radio with operational and communication software by HSQ Technology Corp.
5. Provide all specific power and field I/O wiring to the IFC.
6. Provide the RTU-to-IFC power, analog, and discrete multi-conductor cables and respective multi-pin connectors.
7. Provide grounding for RTU, IFC, and antenna mast.
8. Activate each field I/O function to verify for the Owner that RTU and radio operation is completed correctly from each field device to Master Station.
E. Owner’s Responsibilities: The Owner will be responsible for the following general items.
1. Configuration of the RTU and radio database.
2. Completion of the antenna cable installation.
3. Operation of RTU and radio.
1.12 WARRANTY
A. Provide one year warranty under provisions of Section 01700.
B. Warranty: Include coverage for all components furnished under this section and all appurtenances.
1.13 EXTRA MATERIALS
A. Furnish under provisions of Section 01700.
B. Provide two of each type fuse and relay installed.
C. Provide one of each type input, output, and processor board installed.
D. Provide two of each enclosure key.
PART 2 - PRODUCTS
2.01 SPREAD SPECTRUM RADIO
A. Manufacturer:
1. Metricom UtiliNet Series II Integrated WanGate Radio (IWR).
2. Substitutions: No like, equivalent, “or equal”, or substitution in manufacturers will be allowed during the bidding phase of the project. Manufacturer substitutions will be considered after the Effective Date of the Agreement when submitted as a Value Change Proposal. Refer to Section 009 of the ITB’s and 01600.
B. General:
1. Frequency Range: 902-928 Mhz.
2. Channels: 240, 25 Khz wide.
3. Channel Spacing: 100 Khz.
4. Hop Patterns: 65,536 unique per network.
5. Spreading Technique: Frequency hopping.
6. Hopping Technique: Pseudo random, asynchronous.
7. Raw RF Data Rate: 9,600 bps.
8. Antenna Connector: “N” Type, female.
9. Network Address: Latitude/Longitude coordinates.
C. Transmitter:
1. Modulation Type: Standard FSK.
2. Power Output: Min. 50 mW (+17 dBm); typical 100 mW (+20 dBm).
3. Duty Cycle: Continuous 100 percent.
4. Output Impedance: 50 ohms.
5. Frequency Stability: ±0.00025 percent (2.5 PPM) - 30 to + 75 degrees C.
6. Modulation Brandwidth: 25 kHz
7. Spurious and harmonic Emissions: -55 dBc (1 kHz bandwidth).
8. Deviation: ± 5.5 kHz ± 10 percent.
D. Receiver:
1. Type: Double conversion superheterodyne; first IF 45 mhz, second IF 455 kHz.
2. Frequency Stability: ± 0.00025 percent; (2.5 PPM) - 30 to + 75 degrees C.
3. Bit Error Rate: Less than BEF 1 x 106 at -104 dBm.
4. Package Error Rate: 1 x 10.¯2
5. Dynamic Range: -104 dBm to -20 dBm.
6. IF Selectivity: -6 Db at 30 kHz.
7. Mhz IF Rejection: Less than 90 dB.
E. Primary Power, 12 VDC Operation:
1. Voltage Range: 10.5 - 16.0 VDC.
2. Supply Current: 100 mA typical, 260 mA maximum.
3. Allowed Noise and Ripple: 200 mV-p-p.
4. Power Connector: Amp Mate-N-Lock.
5. Fuse: Internal.
F. Environmental:
1. Humidity: Meet MIL Std. 202F; method 106 Modified, 10 days.
2. Temperature:
a. Storage: -40 degrees C to + 85 degrees C.
b. Operational: -40 degrees C to + 60 degrees C.
3. Shock: Meet MIL STD 802; 20g, 11mS, half sine.
4. Vibration: Meet F.C.C. Part 68D, Paragraph 302 modified.
G. Processing:
1. CPU: NEC V25.
2. Clock Speed: 8 Mhz.
3. Memory:
a. ROM: 256 kBytes.
a. DRAW: 128 kBytes.
b. EE PROM: 512 Bytes.
d. FLASH RAM: 512 Bytes.
4. Programming Language: Metricom Device Control Work (MDCW).
H. EMI, Power and Control Susceptibility:
1. Electromagnetic Radiation: Meet F.C.C. Class B, part 15,247.
2. Electromagnetic Susceptibility: Meet ANSI C37.90.2 modified.
3. Surge Withstand Capability: Meet ANSI C37.90.1 and ANSI C62.41.
4. Electrostatic Discharge: Meet MIL Handbook 263 and IEC 801.2.
I. Data Ports and Format:
1. LAN Packet Port:
a. Serial Interface: RS-232C.
b. Data Rate: 9600 bps (N, 8, 1, full duplex).
c. Protocol: UtiliNet LAN Packet Protocol.
2. Transparent Port
a. Serial Interface: RS-232C.
b. Data Rate: 9600 bps.
c. Parity: Odd, even, or none.
d. Stop Bits: 1 or 2
e. Duplex: Full
f. Protocol: Any Asynchronous Byte-Oriented protocol.
3. Connectors: DB-9
J. Power, 12 VDC Operation:
1. Input Voltage Range: 10.5 -16.0 VDC.
2. Input Current: 100 mA.
3. Input Current (RF transmit max): 260 mA.
4. Acceptable Noise and Ripple at 12 VDC (max.): 200 mV p-p.
K. Agency Approvals:
1. FCC Certification: Part 15.247.
2. Factory Mutual Listings: Class 1, Division 2, Groups A, B, C and D.
L. Enclosure:
1. Provide indoor sheet metal enclosure installed in the RTU Cabinet.
2. Verify that radio interference will not affect the RTU operation.
3. Weight: 1 pound, 6 ounces.
4. Size:
a. Height: 1.95 inches.
b. Width: 5.38 inches.
c. Depth: 7.97 inches.
5. Provide mounting brackets.
2.02 ANTENNA AND TRANSMISSION CABLE
A. General:
1. Use low-loss foam dielectric transmission cable to connect the radio antenna port with the antenna.
2. Provide a 3-foot section of “superflexible” transmission cable at the radio antenna port. Provide standard Type N connections to a continuous piece of cable extending to the antenna.
3. Provide weatherproof transmission cable suitable for direct environmental exposure. Use “O” ring seals on connectors.
4. Provide RTU mounted in new NEMA 4 enclosure large enough to house the radio, RTU, I/O boards, power supplies, battery, and appurtenant equipment.
5. Battery Back-up:
a. Include battery backup to keep the control system operational for a minimum of 10 minutes in the event of a power failure.
b. Provide automatic battery charges and all required converter to allow operation from the normal source or the batteries.
c. Provide sealed, maintenance-free type batteries located in the bottom of the RTU enclosure.
6. Lightning Arrestor:
a. Provide arrestor prior to the antenna cable connection to the radio.
b. Manufacturer: Use Celwave Model No. PD-395, N-Type bulkhead lightning arrestor.
7. Ground antenna cable, lightning arrestor, and antenna mast.
B. Transmission Cable:
1. Manufacturer:
a. Andrew Corp.
b. Substitutions: No like, equivalent, “or equal”, or substitution in manufacturers will be allowed during the bidding phase of the project. Manufacturer substitutions will be considered after the Effective Date of the Agreement when submitted as a value Change Proposal. Refer to Section 009 of the ITB’s and 01600.
2. Description: Foam dielectric heliax cable.
a. Use Andrew 1/2/ inch Superflex, Model No. FSJ4-50B for distances of 30 feet or less.
b. Use Andrew 1/2 inch cable, Model No. LDF4-50A for distances of 110 feet or less.
c. Use Andrew 7/8 inch cable, Model No. LDF5-50A for distances greater than 110 feet.
3. Provide low-loss, foam dielectric cable connecting the radio antenna.
4. Provide a section of “superflexible” transmission cable connecting the radio antenna port to the bulk-head surge arrestor mounted on the RTU cabinet. Connect antenna cable to the exterior of RTU at bulk-head surge arrestor and pass through building exterior wall. Route antenna cable up mast to antenna. Support cable at 16-inch increments with nylon cable ties. Provide standard Type N connectors for connections.
5. Provide weatherproof transmission cable, suitable for direct environmental exposure. Use “O” ring seals on connections.
C. Directional Antenna for Spread Spectrum Systems:
1. Manufacturer:
a. Decibel Products Model No. DB586Y.
b. Substitutions: No like, equivalent, “or equal” or substitution in manufacturers will be allowed during the bidding phase of the project. Manufacturer substitutions will be considered after the Effective Date of the Agreement when submitted as a Value Change Proposal. Refer to Sections 009 of the ITB’s and 01600.
2. Provide omni-directional antenna for Spread Spectrum systems with 6 dB gain.
D. Antenna Mast: Install antenna on 2-inch rigid conduit mast mounted as indicated on Figure 13358-1 at the end of this Section.
2.03 REMOTE TERMINAL UNIT (RTU)
A. Manufacturer:
1. HSQ Technology 2500/86.
2. Substitutions: No like, equivalent, “or equal” or substitution in manufacturers will be allowed during the bidding phase of the project. Manufacturer substitutions will be considered after the Effective Date of the Agreement when submitted as a Value Change Proposal: Refer to Sections 009 of the ITB’s and 01600.
B. Description:
1. Provide industrially hardened RTU consisting of Central Processing Unit (CPU), memory, communication interface, AC-DC converter, power supply, battery back-up, and expansion bus.
2. Utilitize IBM PC/AT bus and MS-DOS software compatibility. Provide three AT bus slots. One for the processor and two for PC/AT bus expansion boards.
3. Provide input/out (I/O) function cards that plug into the expansion bus. Provide two PC/AT slots that accept up to 26 I/O cards. For additional I/O requirements, provide a passive back-plane I.O expansion board.
4. Central Processing Unit (CPU):
a. Provide an Intel 80386 “or equal”, 16-bit processor with a clock speed of 16 Mhz. Data transfers between the CPU and memory shall be 16 bit parallel.
b. Memory Sub-System: Provide a minimum of 360K bytes of EEPROM, for containing the program language, and IM bytes of DRAM, for application program and data storage. Provide two additional memory sockets.
c. Real Time Clock: Provide a battery backed Real Time Clock chip to maintain the time of day, day, month, year function accurate to 1 mS per day, nominal.
d. Battery Back-Up: Provide a 10 year, on-board lihium battery for power to the RAM and real-time clock during power failures. Monitor the battery voltage by the CPU and provide a low voltage indication. Provide a jumper to disconnect the battery during storage. Provide capability to replace the battery without interrupting normal operation, while normal power is applied to the RTU.
5. Provide the following on CPU front-panel:
a. On-line.
b. Status.
c. Diagnostics Status.
d. Voltage.
e. Stand-alone active.
f. Outputs active.
g. Initialized by Host.
6. Perform self-test memory, integrity test, and diagnostic functions upon power-up.
7. Provide a watchdog, operations monitor. Reset system CPU after an adjustable time delay. Disable control outputs during reset of CPU.
C. Serial Communication: Provide two RS 232 Serial 110-19,200 bps ports.
D. Discrete Input Card:
1. Use HSQ Technology Model 2509 discrete input (DI) expansion board with 32 discrete inputs.
2. Connect the DI board to CPU expansion bus via ribbon cable.
3. Current Draw at 5 VDC (ribbon cable): 160 mA nominal.
4. Dry Contact Interrogation: Use 24 V DC with 5 mA, nominal, current draw.
5. Module Feature: Provide the following.
1. Optical isolation: 1,500 volts.
2. Surge withstand: Meets IEEE 39.70-1978 (R1983).
3. Capability of accepting low speed count inputs of up to 500 Hz.
4. LED status indicators on all inputs.
E. Discrete Output Card:
1. Use HSQ Technology Model No. 2533 (DO) expansion board with 32 discrete outputs.
2. Available Outputs: Optically-isolated discrete outputs (DO’s) each having a rate of 100 mA at 24 VDC.
3. Current Draw at 5 VDC from isolated field supply with current draw of 20 MA plus output current.
F. Analog Input Card:
1. Use HSQ Technology Model No. 2508 (AI) expansion board with 32 analog card inputs.
2. Input Ranges: 4-20 mA, 0-5V, 0-10V (Field Configurable Per Input).
3. Input Impedance:
a. 1-5 V or 0-10 V: 2 meg. ohm.
b. 4-20 mA: 200 ohm.
4. Accuracy: 0.1 percent of span.
5. Features:
a. Filtering: Common mode rejection ratio, DC to 60 Hz, of - 100dB.
b. Configurable Current Loops: 16, as single-ended or differential.
c. Surge Suppression: Meets C37.90-1978 (R1983).
d. 24 V DC available at terminals to power 2-wire transmitters.
e. 12 bit analog-to-digital (A/D) converter per board.
G. Analog Output Card:
1. Use HSQ Technology Model No. 2507 (AO) expansion boards with 4 analog outputs.
2. Output Ranges:
a. 20-30 VDC (24 VDC nominal).
b. 4-20 mA.
3. Accuracy: 0-1 percent.
4. Features:
a. Output load: Current output can source a load of 0 to 500 ohms.
b. Surge Suppression: Meets C37.90-1978 (R1983), 130 Vrms.
c. 12 bit digital/analog converter per board.
H. Environmental Requirements:
1. Temperature:
a. Operating: 0 to 60 degrees C (<0.2 percent analog accuracy) -40 to 70 degrees C (<0.3 percent analog accuracy).
b. Storage: -40 to +105 degrees C.
c. Humidity: 5-95 percent non-condensing.
2. Input/Output: Meet IEEE 472.
3. Power Supply: Meet IEEE 587.
4. Electromagnetic: Meet F.C.C. part 68 Emissions Standard.
I. Diagnostics:
1. Provide three distinct levels of diagnostics for the RTU.
a. Self-test diagnostic: Perform at system initialization (Cold-start) to validate the integrity of various system components.
b. On-line diagnostics: Periodically check the operation of specific sub-systems.
c. Off-line diagnostics: Provide to perform more extensive checks on system facilities.
2. Self-Test Diagnostic:
a. Execute the self-test diagnostic after any system reset/power-on. Verify that the basic system components are operational, including the RAM sub-system, PROM sub-system, and communication system.
b. If any portion of the self-test fails, indicate failure with LED indicators and halt the system execution. Active the “watchdog” contact at this time.
3. On-Line Diagnostics: Continually monitor the operation of various sub-systems. Monitor sub-systems by the on-line diagnostics including discrete inputs, discrete outputs, analog inputs, analog outputs, and the RAM and EERPROM sub-systems, indicate on-line diagnostic failures with LED on CPU front panel.
4. Off-Line Diagnostics:
a. Provide the ability to isolate specific faults in any system components and verify that each component is operational.
b. Allow the off-line diagnostics to be initiated via a standard personal computer.
J. Software Requirements:
A. Provide HSQ Technology firmware for the RTU. The application software will be downloaded to the target RTU’s battery backed RAM memory or EEPROM by the Owner. It shall be possible to download the application software to the RTU via the Owner’s existing Metricom radio network from the Master Station, existing Remote Station, or from a portable computer.
B. Include HSQ Technology’s Real Time Executive multi-tasking operation system that allows for periodic execution of tasks.
C. Provide HSQ Technology’s Standard Library of Control Algorithms for use in various combinations to build a task that performs any process control or data acquisition function required by the Owner.
L. Communication Protocol: Provide RTU communication protocol to allow communication between the Owner’s existing Master Station via the existing Metricom radio network. Support all data base download, data acquisition, and communication diagnostic functions of the Owner’s existing Wastewater SCADA System.
2.04 INTERFACE CABINET (IFC)
A. Terminate all field device input/output (I/O) wiring to an Interface Cabinet (IFC) adjacent to the RTU.
1. Each discrete input is to be provided from an interposing relay energized by the field input contact’s switching of 120 VAC supplied from the IFC.
2. Each discrete output from the RTU is to energize an interposing relay in the IFC using the RTU’s 24 VDC power.
3. Pass each analog signal conductor and shield through terminals in the IFC. Provide a fuse for one conductor of each analog signal pair.
B. Connect the IFC to the RTU using mulit-conductor cables with multi-pin connectors at each end. Provide separate power, discrete signal, and analog signal cables.
C. Provide unique wire markers and terminal block numbering under provisions of Section 16195.
D. Terminate all conductors without splices to multi-pin connectors or terminal blocks.
E. 1. Power: Use Allen-Bradley Type 1492-CE6.
2. Discrete I/O: Use Allen-Bradley Type 1492-F1.
3. Analog I/O: Use Allen-Bradley Type 1492-CE6 terminals and fuse blocks.
4. Provide appurtenant mounting rails, end anchors, end barriers, fuses, and marking strips.
5. Provide terminal points in IFC as indicated on Figure 13358-2 at the end of this section.
F. Relays:
1. Discrete Inputs: Use Allen-Bradley, 120 VAC, general purpose relay, Catalog No. 700-HK32A1.
2. Discrete Outputs: Use Allen-Bradley, 24 VAC, general purpose relay, Catalog No. 700-HK32Z24.
3. Provide relay base, mounting rail, and end anchors.
4. Provide relays in the IFC as indicated on Figure 13358-3 at the end of this section.
G. Multi-Conductor Signal Cables:
1. Manufacture: Anixter Catalog No. 2AS-1812SPOS.
2. Description: Multiple, twisted pairs of 18AWG, Class B, stranded copper conductor with PVC nylon insulation and PVC jacket.
3. NEC Type: TC
4. Voltage Rate: 600V
5. Shielding: Individual pairs shielded using aluminum mylar with drain wire.
H. Multi-Conductor Power Cords:
1. Manufacturer: Anixter Catalog No. 12/3 SOW-A/50/
2. Description: Three conductor, 12 AWG, flexible stranded copper conductor with synthetic rubber insulation and black thermoset jacket meeting the requirements of UL 62.
3. Voltage Rating: 600V.
I. Multi-Pin Connectors:
1. Cabinet End Power: Use Amphenol Series 97, Type 3102, three-pin, box receptacle shell and insert.
2. Cable End, Power: Use Amphenol Series 97, Type 3106, three-pin, straight plug shell, insert, and cable clamp.
3. Cabinet End, Signal: Use Amphenol Series 97, Type 3106, 24-pin, box receptable shell and insert.
4. Cable End, Signal: Use Amphenol Series 97, Type 3106, 24-pin, straight plug shell, insert and cable clamp.
2.05 Enclosures:
A. Manufacturer:
1. Hoffman Engineering Co., CONCEPT Wall Mounted Enclosures.
2. Substitution: Under provisions of Section 01600.
B. Description:
1. Construction: NEMA 250.
a. Interior, Dry Locations: NEMA Type 12, steel.
b. Exterior, Wet, Damp or Corrosive Locations: NEMA Type 4X, non-metallic.
2. Covers: Continuous hinge, held closed by latch operable by key.
3. Provide interior metal panel for mounting terminal blocks and relays; finish with while enamel.
4. Enclosure Finish: Manufacturer’s standard.
C. Accessories:
1. Internal Raceway: Use Panduit PANDUCT Type E, slotted wall duct with covers.
2. Provide interior light and switch, 120 VAC service receptacle, and space heater.
3.01 EXAMINATION
A. Verify location of cabinets as shown on Plans.
B. Verify height and location of antenna with the Owner.
C. Verify that surfaces and areas are ready to receive work.
3.02 INSTALLATION
A. Install products in accordance with manufacturer’s instructions and requirements of Division 16.
B. Surge Supressors: Install line voltage surge suppressors to protect the from damage due to electrical transients induced in the interconnecting lines from lightning discharges or nearby equipment.
C. Install enclosures and boxes plumb. Anchor securely to wall and structural support at each corner.
D. Neatly bundle and lace wiring. Terminate all wiring at terminal blocks. Identify all terminals.
E. Provide labels for the RTU enclosure and all internal devices.
F. Touch-up minor damaged surfaces caused during installation. Replace damaged components as directed by the Owner.
3.03 INPUT/OUTPUT POINT LIST
A. Integrate the points in the Input/Output List Included at the end of this section into the RTU.
END OF SECTION
