Attachment 3 - 260915 ELECTRICAL POWER MONITOR JAN20.pdf

JUBA ELECTRICAL UPGRADE DEVELOPMENT July 13, 2020

JUBA SOUTH SUDAN Issued for Bid

ELECTRICAL POWER MONITORING SECTION 260915 - 1

SECTION 260915 - ELECTRICAL POWER MONITORING

PART 1 - GENERAL

1.1 SUMMARY

<ANY CHANGES TO THIS SECTION SHALL BE APPROVED

BY OBO/PDCS/DE/EE VIA THE COR>

A. This Section includes monitoring of electrical power and lighting circuits through electronic communication links between devices in distribution system components and power monitoring units.

1. Power monitoring units include the following:

a. Local display panels.

b. Central-processing workstation personal computers.

c. Remote workstation personal computers.

B. Related Sections include the following:

1. Section 230905 “Instrumentation and Controls for HVAC” for building automation system (BAS).

2. Section 260508 “Common Work Results for Electrical, Communications, and

Electronic Safety.”

3. Section 260518 “Low-Voltage Electrical Power Conductors and Cables.”

4. Division 26 Section on raceways and boxes.

5. Division 26 Section on identification for electrical systems.

6. [Section 262313, “Paralleling Switchgear” for load shedding.]

7. Section 262315 “Double-Ended Switchgear.”

8. Section 262325 “Power Sequence of Operation.”

1.2 TECHNOLOGY RESTRICTIONS

A. In accordance with Chapter 1 of the OBO Electrical Code, power monitors and controls may not contain ultrasonic technology, or wireless technology, even if not implemented. This includes prohibition of Wi-Fi, Bluetooth, Near Field Communication, ZigBee, Low Power

Wide Area Networks, and similar technology.

1.3 DEFINITIONS

A. BAS: Building automation system.

B. LAN: Local area network, sometimes plural as "LANs."

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C. Monitoring: Acquisition, processing, communication, and display of equipment status data, metered electrical parameter values, power quality evaluation data, event and alarm signals, tabulated reports, and event logs.

D. PC: Personal computer, sometimes plural as "PCs."

E. PV: Photovoltaic.

1.4 SYSTEM DESCRIPTION

A. Distribution system components which require monitoring include the following:

1. Medium-voltage switchgear: Meters, breaker trip units.

2. Transformers: Status/alarm points.

3. Low-voltage switchgear: Meters, breaker trip units.

4. Switchboards: Meters, breaker position.

5. Panelboards: Meters if sub-metering.

6. Motor controllers: Power monitoring is required in addition to Building Automation

System (BAS) monitoring.

7. Motor-control centers: Power monitoring is required in addition to BAS monitoring.

8. Generators: Electrical and mechanical real-time and status/alarm points.

9. Transfer switches: Electrical real-time points, position, sources available.

10. Paralleling switchgear: Meters, breaker trip units.

11. Joint-Unclassified Communications (JUCR) Uninterruptible Power Supply (UPS):

Status/alarm points.

12. Voltage regulators: Electrical and mechanical real-time and status/alarm points.

13. Load bank: Meter.

14. Fuel system: Fuel system real-time status/alarm points.

15. Day tanks: Status/alarm points.

16. Electrical distribution system ground current: Monitor for potentially Objectionable

Current as described in Article 250 of the OBO Electrical Code (NFPA 70 “National

Electrical Code” as amended by OBO). As a minimum, grounding conductors identified below shall be monitored for objectionable current. Metering shall measure ground currents with at least 5 percent accuracy down to 50 milliamp range as required by leakage currents anticipated; damage shall not occur to any metering components during any ground fault event.

a. Main Bonding Jumpers within Main Service Equipment or Grounding Electrode

Conductors connecting Main Bonding Jumper to [compound] [counterpoise] ground rod system.

b. Equipment Grounding Conductors (EGC) including all EGCs installed between

Service Transformer secondary and Main Service Equipment.

ELECTRICAL POWER MONITORING SECTION 260915 - 3

<THE APPLICATION OF PHOTOVOLTAIC DATA BELOW TO

THIS PROJECT IS IDENTIFIED IN A SEPARATE DOCUMENT>

17. [Photovoltaic Data acquisition system.]

<THE APPLICATION OF WIND TURBINE DATA BELOW TO

THIS PROJECT IS IDENTIFIED IN A SEPARATE DOCUMENT>

18. [Wind Turbine Data acquisition system.]

1.5 SUBMITTALS

A. Product Data: List of components for power monitoring, including dimensions and manufacturers' technical data on features, performance, electrical characteristics, ratings, and finishes. Attach copies of Submittals for effected products (such as switchboards and switchgear) that describe power monitoring features to coordinate Product Data related to power monitoring.

B. Shop Drawings: Detail assemblies of standard components, custom assembled for specific application on this Project.

1. Outline Drawings: Indicate dimensions, weights, arrangement of components, and clearance and access requirements.

2. Block Diagram: Show interconnections between components specified in this Section and devices furnished with power distribution system components. Indicate data communication paths and identify networks, data buses, data gateways, concentrators, and other devices to be used. Describe characteristics of network and other data communication lines.

3. Wiring Diagrams: Detail specific wiring to suit Project. Coordinate nomenclature and presentation with a block diagram, and differentiate between manufacturer-installed and field-installed wiring.

C. Software and Firmware Operational Documentation: Include the following:

1. Software operating and upgrade manuals.

2. Program Software Backup: On magnetic media or compact disc, complete with data files.

3. Device address list.

4. Printout of software application and graphic screens.

5. Complete the Voluntary Product Accessibility Template (VPAT) form (see Attachment A to this Section) for approval of PMS software for connectivity from Facility Management at Post to OBO in DC; submit through Contracting Officer/COR.

D. Software Upgrade Kit: For Government to use in modifying software to suit future power system revisions, or in power monitoring revisions.

E. Qualification Data: For firms and persons specified in Article on QUALTIY ASSURANCE.

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F. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.

G. Maintenance Data: For power monitoring equipment components.

1.6 QUALITY ASSURANCE

A. Startup Personnel Qualifications: Engage specially trained personnel who are directly employed by a manufacturer of distribution system protective devices.

B. Installer Qualifications: Experienced installer who is an authorized representative of power monitoring equipment manufacturer for both installation and maintenance of units required for this Project.

C. Manufacturer Qualifications: Firm experienced in manufacturing power monitoring equipment similar to that indicated for this Project and with record of successful in-service performance.

D. Source Limitations: Obtain power monitoring, firmware, monitoring panels, and network components from same manufacturer as for distribution equipment circuit breakers and other protective devices.

E. Comply with the requirements of the OBO Electrical Code (NFPA 70, “National Electrical

Code” as amended by OBO).

1. Electrical Components, Devices, and Accessories: Listed and labeled in accordance with

Chapter 1 of the OBO Electrical Code by testing agency acceptable to Contracting

Officer/COR based upon input from OBO/PDCS/DE/EE, and marked for indicated use and installation conditions.

F. Comply with 47 CFR 15, Subparts A and B, for Class A digital devices.

G. Comply with UL 916.

1.7 COORDINATION

A. Coordinate features of distribution equipment and power monitoring components to form an integrated interconnection of compatible components.

1. Match components and interconnections for optimum performance of specified functions.

2. Coordinate Work of this Section with BAS so that BAS PC workstations indicate and record designated alarms registered in power monitoring displays.

a. Coordinate power monitoring components so metered electrical load and demand values and associated summary and trend reports available at central-processing workstations specified in this Section are made accessible at BAS workstations.

b. Log and store data from power monitoring system to facilitate production of monthly reports associated with each building.

ELECTRICAL POWER MONITORING SECTION 260915 - 5

c. Provide capacity to maintain logged data for a minimum of ten years. Provide auto archive capability and locally accessible storage.

d. [Where photovoltaic (PV) systems are used, all data from PV data acquisition system shall be monitored and provided to compound power monitoring system. See Section 263105 “Solar Photovoltaic Systems.”]

e. [Where wind turbine systems are used, all data from wind turbine data acquisition system shall be monitored and provided to compound power monitoring system. See Division 26 Section on wind turbine systems.]

B. Coordinate Work of this Section with those in Sections specifying distribution components that are monitored by power monitoring equipment.

C. Coordinate a communication link with BAS to meet input requirements of BAS integrator and gateway equipment provided as part of BAS installation.

1.8 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Communication Power Supplies: One of each type installed.

2. Network Interface Cards: One of each type installed.

3. Fiber Converters: One of each type installed.

4. Ethernet Switches: One of each type installed.

5. Meters: One of each type installed.

PART 2 - PRODUCTS

2.1 WORKSTATIONS AND SOFTWARE

A. Central-Processing Workstation: Desktop PC shall be models that were released to the market no more than two years prior to when workstation is installed, and shall be commercial-off-the-shelf models. With minimum installation, workstations shall be capable of communicating with a minimum of 200 devices, and including the following minimum peripherals, accessories, and features:

1. RAM: [16GB] [X GB].

2. Hard-Disk Drive: [1 TB] [X TB].

3. CPU: minimum 3 Ghz.

4. CD-ROM Drive: 24X read/write.

5. Monitor: 532 mm Multisync with 0.25-mm mask pitch and 1024 by 768 resolutions at

100 Hz.

6. Operating System: Microsoft Windows [XP] [7] [8] [X] OS.

7. Keyboard and mouse: Compatible with Microsoft Windows [XP] [7] [8] [X] OS.

8. One serial and one parallel port in addition to those required for power monitoring.

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9. Network Interface Card: Computer operated, with two-way communication transmitter-receiver chip.

10. Modem: External, 56 K, minimum.

11. Automatic Reboot Capability: When power is restored after an outage.

12. Printer: Laser jet. Six pages per minute minimum nominal printing rate in draft mode.

13. Backup Battery-Inverter Power Supply: Automatic, rated 650-VA output for 10 minutes.

Arranged to supply computer, accessories, and peripherals, not including a printer.

Include transient voltage surge suppressor and electromagnetic-interference filters.

B. Remote Workstations: Desktop PCs that include the following features:

1. RAM: [2GB] [X GB].

2. Hard-Disk Drive: [500 GB] [X GB].

3. CPU: Minimum 3 GHz.

4. CD-ROM Drive: 24X read/write.

5. Monitor: 532 mm Multisync with 0.25 mm dot pitch and 1024 by 768 resolutions at 100

Hz.

6. Operating System: Microsoft Windows [XP] [7] [8] [X] OS.

7. Keyboard and mouse: Compatible with Microsoft Windows [XP] [7] [8] [X] OS.

8. One serial and one parallel port.

9. Network Interface Card: Computer operated, with two-way communication transmitter-receiver chip.

10. Modem: External, 56 K, minimum.

C. Metering and Monitoring Software: Features and functions include the following:

1. Password Protection: Three configurable security levels, minimum.

2. Operates in multitasking, multiuser environment. Microsoft Windows [XP] [7] [8] [X] compliant.

3. On-Line Help: Context sensitive.

4. Coordinates the communications of the network.

5. Provides interactive color-graphics platform with mouse-accessed menu and mouse-driven generation of distribution system graphics, including the following graphic image types:

a. Site plan.

b. Floor plans.

c. Equipment elevations.

d. Single-line diagram.

6. Provides mouse-driven interface with devices depicted in single-line diagram and equipment elevation screens.

7. Logs user-defined power monitoring and power distribution system events including log on/off; attempted log on/off; alarms; equipment operations; and out-of-limit, pickup, trip, and no-response events; with date and time stamps accurate to 0.1 second.

8. Exports and imports data to and from commonly used Microsoft Windows spreadsheet, database, tenant billing, whole building usage, and other applications; uses dynamic data exchange technology.

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9. Reports Trends: Instantaneously, in a real-time or historical tabular format, bar chart, or user-defined time, trend plots of monitored parameters; unlimited as to interval, duration, or quantity of trends.

10. Manages Alarm Function: Annunciates and logs alarm messages from discrete input and monitoring outputs, according to programmable security access protocol using the communication network.

a. Functions Requiring User Acknowledgment: Run in background during computer use for other applications and override other presentations when they occur.

11. Views and analyzes captured waveforms. Displays harmonic content through the twenty-first harmonic, minimum, and reports total harmonic distortion.

12. Defines and initiates load-shedding schemes responding to generator PLC system, or set points of metered demands, or combination of both. See Section 262313 “Paralleling

Switchgear.”

13. Communicates with BAS main workstation PC.

D. Tenant or Activity Billing Software: For non-CAA areas, automatically computes and prepares activity demand and energy-use statements based on electricity metering of energy use and peak demand integrated over same interval used by electric utility.

1. Automatically imports historical metering data from memory, generated by metering and monitoring software.

2. Maintains a separate directory for each tenant's historical billing information.

3. Prepares summary reports.

E. Whole Building Usage: Automatically compute and prepare activity demand and energy-use statements for all buildings over 100 sm, based on electricity metering of energy use, reactive energy, and peak demand for 15 minute intervals.

1. Automatically imports historical metering data from memory, generated by metering and monitoring software.

2. Maintains separate directory for each tenant's historical billing information.

3. Prepares summary reports.

F. Communication Software: As recommended by manufacturer for high-speed communication via modem.

G. Meter Monitoring Requirements: All meters shall monitor and record the following data:

1. Monitoring of demand power (kW).

2. Energy usage (kWh).

3. Reactive Power (kVAR).

4. Harmonics.

ELECTRICAL POWER MONITORING SECTION 260915 - 8

2.2 LOCAL DISPLAY PANEL

A. Description: Microprocessor-based, self-contained device mounted in the door of switchboard or switchgear and arranged to display values of parameters metered at each of the monitored circuit breakers in the host equipment. Features include the following:

1. Communicates over power monitoring network.

2. Circuit breakers are selected for status and parameter display by programmable designations.

3. Circuit-breaker status and trip rating are displayed in addition to parameter values.

4. Nonvolatile memory retains programmed input data indefinitely during power outages.

5. Display Screen: Light-emitting diode or illuminated liquid-crystal display, or approved equivalent.

2.3 COMMUNICATION COMPONENTS AND NETWORKS

A. Surge Protective Devices (SPD) and Electromagnetic-Interference Immunity: Include in solid-state equipment. Comply with IEEE C37.90. SPD are also known as Transient Voltage Surge

Suppression (TVSS).

B. Network Configuration: High speed, multi-access, open nonproprietary, industry standard communication protocol; LANs complying with EIA 485, IEEE 802.3, 100 Base-T Ethernet, Modbus TCP/IP or other approved industry standard.

C. Network Interface Modules: Provide polling time supporting 30-second maximum interval between alarm initiation from monitored devices and registration and printout of alarm messages.

2.4 COMMUNICATION FEATURES OF POWER DISTRIBUTION SYSTEM DEVICES

A. Communication Function: Microprocessor based and integral to devices indicated as having power monitoring functions.

1. Communication Address: Unique to each individual device, and changeable at device.

2. Communication Protocol: Match that of network to which connected.

3. Two-Way Communication: Send and receive values and data communication indicated.

Initiate alarm on malfunction of monitored device of monitoring equipment or network.

4. At minimum, devices shall be BacNet and MODBus compatible.

B. Circuit Breakers: Provide separate circuit breakers at power panels for each equipment rack, cabinet, or piece of electronic equipment. Connect individual pieces of equipment to panelboards with wiring for dedicated circuits run in cable racks or conduits, or combination of both.

1. Circuit Breakers, 600 V and Less: Include communication capability as feature of trip unit. Trip unit shall meter amps, volts, power per phase, three phase power, energy, power factor, frequency, alarm status, and trip events.

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2. Medium-Voltage Circuit Breakers: Include communication capability as feature of overcurrent relay trip unit. Trip unit shall meter amps, volts, power per phase, three phase power, energy, power factor, frequency, alarm status, and trip events.

C. Motor Controllers, 600 V and Less: Include communication capability as feature of motor protection relay, or in network interface card designed to mount on controller. Provide electrical power monitoring in addition to BAS monitoring and control.

D. Multifunction Digital Meter and Power Quality Monitor: Microprocessor-based device, flush or semiflush mounted in the door of switchboard or switchgear. Unit shall display and communicate indicated monitoring parameters and data for circuit and inputs to which connected. Unit shall have the ability to communicate and be connected to power monitoring system as specified in "Communication Function" Paragraph above plus the following:

1. Waveform data from high-speed sampling of voltage and current values metered.

2. Status of up to three external contact-monitored alarm conditions monitored by internal meter relay functions.

3. Monitoring of minimum of three programmable threshold values of metered parameters.

4. Monitoring of demand power (kW), energy usage (kWh), Reactive Power (kVAR), and

Harmonics.

E. Addressable Monitoring Relay: Continuously polled for data, via the communication network, as to state (open or closed) of dry contacts of contact-making sensing device.

1. Ability to Communicate: As specified in "Communication Function" Paragraph above.

2. Power Supply Rating: 220 or 240 V ac or 48- to 240 V dc.

3. Enclosure: NEMA 250, Type 12, unless otherwise indicated.

2.5 ADDITIONAL POWER MONITORING COMPONENTS

A. Current Transformers: For multifunction digital meter and power quality monitors and other current-monitoring equipment furnished under this Section, without integral current transformers, provide factory-mounted current-transformer units.

1. Primary Rating: Equal to or more than that of associated circuit-breaker trip rating.

Equip with shorting switches.

B. Potential Transformers: If those required for indicated monitoring functions are not integral to basic switchgear, circuit breakers, or circuit-breaker trip units, provide factory-mounted units.

1. Rating: Same as distribution system phase-to-neutral voltage.

2. Protection: Current-limiting fuses.

2.6 LOW-VOLTAGE WIRING

A. Data Line Cable: Shielded, twisted-pair cable.

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B. Low-Voltage Cable: Multiple conductor, color-coded, 0.5 mm2 copper, minimum.

1. Sheath: PVC; except in plenum-type spaces, use sheath listed for plenums.

2. Ordinary Switching Circuits: Three conductors, unless otherwise indicated.

3. Switching Circuits with Pilot Lights or Locator Feature: Five conductors, unless otherwise indicated.

2.7 ACCESSORIES

A. Interfaces with Distribution Equipment Specified in Other Sections: Accessories, adapters, electronic interface units, and connections required for functional performance indicated.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install equipment level and plumb. Anchor to building structural elements and support according to requirements in Section 260508 “Common Work Results for Electrical, Communications, and Electronic Safety.”

B. Mounting heights indicated are to bottom of unit for suspended items and to center of unit for wall-mounting items.

3.2 WIRING INSTALLATION

A. Install wiring between power monitoring devices as specified in Section 260518 “Low-Voltage

Electrical Power Conductors and Cables" for low-voltage analog connections, and for network and data line circuits.

B. Wiring Method: Install wiring in raceway as specified in Division 26 Section on raceways and boxes for electrical systems.

C. Bundle, train, and support wiring in enclosures.

D. Ground equipment.

E. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in

UL 486A and UL 486B “Standard for Wire Connectors.”

ELECTRICAL POWER MONITORING SECTION 260915 - 11

3.3 IDENTIFICATION

A. Identify components and power wiring according to Division 26 Section on identification for electrical systems.

B. Label each power monitoring module with a unique designation.

3.4 FIELD QUALITY CONTROL

A. Manufacturer's Field Services: Engage a factory-authorized service representative to inspect, test, adjust, and program power monitoring equipment.

B. Schedule visual and mechanical inspections and electrical tests with at least seven days' advance notice.

C. Inspect power monitoring components for defects and physical damage, labeling of testing laboratory, and nameplate compliance with the Contract Documents.

D. Check tightness of electrical connections with torque wrench calibrated within previous six months. Use manufacturer's recommended torque values.

E. Electrical Tests: Use particular caution when testing devices containing solid-state components.

Perform the following according to manufacturer's written instructions:

1. Continuity tests of circuits.

2. Operational Tests: Set and operate controls at PC workstations and at monitored devices to demonstrate their functions and capabilities. Use methodical sequence that cues and reproduces actual operating functions as recommended by manufacturer. Note response to each test command and operation. Note time intervals between initiation of alarm conditions and registration of alarms at central-processing workstation.

a. Coordinate testing required by this Section with that required by Sections specifying equipment being monitored.

b. Metering Test: Load feeders, measure loads on feeder conductor with RMS reading clamp-on ammeter, and simultaneously read indicated current on same phase at central-processing workstation. Record and compare values measured at two locations. Resolve discrepancies greater than 10 percent and record resolution method and results.

c. Integration with BAS: Verify validity of displays at BAS PC workstations that are related to electrical power monitoring functions.

d. Record metered values, operations, cues, time intervals, and functional observations.

F. Correct deficiencies, make necessary adjustments, and retest. Verify that specified requirements are met.

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G. Test Labeling: After satisfactory completion of tests and inspections, apply label to tested components indicating test results, date, and responsible agency and representative.

H. Reports: Written reports of tests and observations. Record defective materials and workmanship and unsatisfactory test results. Record repairs and adjustments.

3.5 CLEANING

A. Cleaning: Clean equipment and devices internally and externally using methods and materials recommended by manufacturers, and repair damaged finishes.

3.6 DEMONSTRATION

A. Engage factory-authorized service representative to provide on-site training of Government's locally employed staff (LES) maintenance personnel and Government’s maintenance management to adjust, operate, and maintain systems.

1. Training Content: Train in interpreting and using monitoring displays and in configuring and using software and reports. Train in troubleshooting, servicing, adjusting, and maintaining equipment.

2. Training Duration:

a. LES Maintenance Personnel: Provide 40 consecutive hours (one week) of training.

b. Government Maintenance Management: Identify 16 hours of the training provided for LES maintenance personnel which would provide management with the best overview. Through Contracting Officer/COR, confirm this content and schedule breakout (e.g., two full days or four ½ days) for participation of Government maintenance management in training sessions.

3. Training Aids: Use approved final versions of software and maintenance manuals as training aids.

4. Schedule training through Contracting Officer/COR, with at least 14 days advance notice.

3.7 ON-SITE ASSISTANCE

A. Occupancy Adjustments: Within one year of date of Substantial Completion, provide up to three Project site visits, when requested by Contracting Officer/COR, to adjust and calibrate components and to assist Government personnel in making program changes and in adjusting sensors to suit actual conditions.

3.8 TELEPHONE TECHNICAL SUPPORT

A. Hardware and Software: Within two years of date of Substantial Completion, provide unlimited response to user questions regarding software use and hardware and communication link troubleshooting, reconfiguring, and adjusting.

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1. Telephone Calls: Toll free.

2. Availability: Eight hours per day during Post working hours on weekdays.

3. Responder Qualifications: Engineer or technician thoroughly familiar with power monitoring equipment.

END OF SECTION 260915