SECTION 26 09 13 31 00

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					                            SECTION [26 09 13 31 00] [16290]


1.1        SCOPE
      A.    This section defines the low voltage kWh revenue class multi-customer metering solution for
            use in the AC electrical equipment as outlined in the one-line and / or riser drawings. These
            solutions will provide low voltage kWh meters integrated into the electrical equipment. System
            configurations being metered will be a Wye system rated metered will be WYE systems rated
            347 V or less or Delta systems rated at 347V or less with potential transformers (PT’s) or
            Polyphase systems with PT’s for higher for voltage systems higher than 347V. The multi-
            customer energy sub-meter solution shall offer an efficient system for commercial, industrial,
            and residential sub-metering. The system must be expandable to accept non-electrical meter
            inputs and provide the ability to report the energy information locally and remotely using a web
            based software platform and / or billing solution for tenant bill generation.
      A.    Drawings and general provisions of the Contract, including General and Supplementary
            Conditions and Division 1 Specification Sections, apply to this Section.
      B.    Related Sections include the following:
            1.    [Section [26 09 26.03] [16145] – Lighting Control Devices
            2.    Section [26 23 00] [16430] – Low Voltage Switchgear
            3.    Section [26 24 13] [16441] – Switchboard
            4.    Section [26 24 16] [16442] – Panelboards
            5.    Section [26 24 19] [16443] – Motor Control Centers]]
            6.    Section 26 – Electrical Installation
1.3        SUBMITTALS
      A.    Submit shop drawings and product data for approval and final documentation in the quantities
            listed according to the Conditions of the Contract. Customer name, customer location and
            customer order number shall identify all transmittals.
      B.    [Final Documents: Record documentation to include but not limited to: as-built wiring
            diagrams, meter/breaker/load schedule, factory test results and certificate(s), system
            commission report, manufacturers contact information, operation and installation
      A.    Meet the following recognized standards for applications:
            1.    Measurement Canada
            2.    California Weights and Measure
            3.    ANSI C1 and C1.16
            4.    UL
            5.    CSA-us
      A.    Manufacturer Qualifications: Manufacturer of this equipment shall have a minimum of 5 years
            experience producing electronic submetering system equipment.
            1.    Comply with requirements of latest revisions of applicable industry standards.
            2.    Manufacture shall have local and remote web based tenant billing software solutions.
      A.    Store and handle in strict compliance with manufacturer’s instructions and recommendations.
            Protect from potential damage from weather and construction operations. If the meters are

February 23, 2012                                                                           [Project Name]
Electrical Power Monitoring & Control [26 09 13 31 00] [16290] -1
            installed in equipment, store the equipment so condensation will not form on or in it.         If
            necessary, apply temporary heat where required to obtain suitable service conditions.


      A.    [The low voltage power meter shall be ICIMP636EXTC, ICIM3, ICITX2005, and BD25PT2K
            metering solutions by Siemens or pre-approved equal. Approved manufacturers are as
            1.    Siemens (ACCESS)
            2.    .]
      A.    The meters and the ancillary equipment must meet revenue approval by the recognized
            authorities in Section 1.4.A [and authorities having jurisdiction].
      B.    The metering units shall be a compact design with internal and external CT connections. Sizes
            shall be:
            1.     On-Board Internal CT meter: 16.5”L x 3.0” H x 1.5” W design.
            2.     External CT meter: 16.0”L x 3.0” H x 1.0” W design.
      C.    The system must provide at least one meter display unit (MDU) to automatically and manually
            scroll through the meters in the submetering system, have two lines of programmable identifiers
            and have the capacity to read 256 metering points per MDU.
      D.    The on-board data logging device, approved for a revenue application, shall be an isolated part
            of the electronic meter. The revenue data logger must be “opto-isolated” from all other data
            outputs for revenue data integrity and security.
      E.    Meters must be capable of retaining onboard 480-days of 1-hour profiles in non volatile
      F.    Meters must have three separate and isolated energy data connections: pulse output, revenue
            data logger and modus.
      G.    Metering hardware shall be designed, factory installed and tested before shipping to site.
            Factory meter test certificate for each meter is to be provided upon request
      H.    Embedded solution must be a standard product offering by the panel manufacturer.
      I.    Panel manufacturer must provide evidence of installed embedded solution with OEM. [The
            panel manufacturer shall provide project reference and OEM embedded submetering
            design.] Custom manufacturing is not acceptable.
      J.    A main data collector or local server type device shall be provided to pole all the meters in the
            system and provide a secondary data storage for all energy data from the meters
      K.    Each meter shall be programmed with a baud rate and unique character mode (eg. 9600 8N1)
            and base ID number. Example: A device programmed to be ID 1, that is attached to a 636,
            configured as 8 meters, shall use ID numbers 1 to 8.
      L.    The meter shall utilize a MICROCHIP high-performance, 16-bit PIC24HJ micro-controllers. It
            shall have 16 current inputs, 3 voltage inputs. Each of the 16 inputs shall have separate,
            isolated pulse output. The metering product shall be programmed for single phase or
            polyphase applications [as based on the drawings].
      M.    Each of the 16 input currents can be mapped to any of the three voltage inputs and each
            current-voltage pair can be mapped to a specified meter.
      N.    The meters shall be fully programmable from the manufactures setup software over a serial or
            Ethernet connection.

February 23, 2012                                                                            [Project Name]
Electrical Power Monitoring & Control [26 09 13 31 00] [16290] -2
   O.    The meter shall be configurable / programmed as follows:
         1.   [Single phase Two wire - with metering capability of up to 16 meters]
         2.   [Single phase Three wire - with metering capability of up to 8 meters]
         3.   [Two phase / Three wire - with metering capability of up to 8 meters]
         4.   [Three phase Four wire - with metering capability of up to 5 meters]
         5.   [Provide programming for custom mixed phase arrangement up to 16 CT’s]
   P.    The meter shall be powered from its own voltage inputs and shall support up to two internal 8-
         channel data loggers where shown on the drawings.
   Q.    The demand interval shall be adjustable within the metering unit.
   R.    Service Types
         1.    [Single Phase Two Wire]
         2.    [Single Phase Three Wire]
         3.    [Two Phase Network]
         4.    [Poly- Phase Four Wire]
   S.    Voltage Range
         1.    The meter shall be applied to systems with a voltage range of 93-600 VAC L-N. The
               system voltage is as shown on the drawings.
   T.    Current Transformer Range
         1.    2 to 400 A: CT’s are to be milli-Amp (mA), self shorting CT mounted on brackets for
               embedded solution
         2.    Larger than 400A shall also be acceptable, but will not utilize a standard mounting
               bracket design.
         3.    Integrated On-board CT meter will support up to 200amps on one inch centers.
   U.    Communication
         1.  Metering modules shall allow multiple hardwire and wireless options for transmitting data
             within the building including:
             a.     [RS-232]
             b.     [RS-485]
             c.     [TCP/IP]
             d.     [RF 802.11/802.15]
             e.     [BPL]
         2.  Communications shall support Modbus RTU RS-485, as well as other protocols, that can
             be configured as:
             a.     [“2 Wire” half-duplex mode]
             b.     [“4 Wire” full-duplex RS485 mode]
             c.     The devices default shall be half-duplex RS485 mode.
         3.  All the metering units shall be individually mapped and supervised for tolerance from a
             local and global perspective.
   V.    Metering Data
         1.    The meter shall provide the following Modbus registers for remote monitoring:
               a.    Voltage (l-n) per phase
               b.    Voltage (l-n) average
               c.    Current per phase
               d.    Current average
               e.    Power Factor per phase
               f.    Power Factor Average
               g.    kW per phase and total
               h.    kVAR per phase and total
               i.    kVA per phase and total
               j.    kWh
               k.    kVARh
               l.    kVAh

February 23, 2012                                                                       [Project Name]
Electrical Power Monitoring & Control [26 09 13 31 00] [16290] -3
      W.    Accuracy
            1.    < 0.1% ANSI C.12
            2.    Frequency: 50 / 60 Hz
            3.    Pulse Constant: 10 Watt-hour per pulse.
            4.    Temperature range: -30C to 55C or 27.4F to 131F
      X.    Sealing and Security
            1.    Each Meter shall have a unique serial number.
            2.    Each Meter shall have Electronic and Mechanical sealing done at factory.
      A.    The meter manufacturer shall provide a web-based tenant metering software that will allow user
            to download, store, view and provide tenant bills a predefined intervals. Additional remote billing
            services shall be offered to provide data hosting, invoicing, delivery and collection services.
      B.    Software Features
            1.    Operating Environment
                  a.    Windows XP or Vista with Microsoft.NET 2.0.
                  b.    Microsoft Jet Database (included) and ODBC capability.
                  c.    Data is stored in a SQL light database.
                  d.    Server shall support at least:
                        1.)    1.6 Ghz, with 512 MB Ram (1024 MB for Vista), 20 GB hard drive space
                               and Microsoft Excel for reporting.
            2.    Reports
                  a.    The system shall automatically upload metering based data on a predefined time
                        period and print reports on demand or on a schedule.
                  b.    The Billing Engine shall be an easy to use wizard that will allow the user to set:
                        1.)    Multiple rates
                        2.)    Taxes
                        3.)    Administration charges
                        4.)    Setup charges
                        5.)    Late payment dates
                        6.)    Late payment charges
                        7.)    Custom charges
                        8.)    Customer names and id numbers.
                  c.    Reports shall include the Customers name, location, period covered, move in & out
                        dates, payment type and invoice number.
                  d.    Reports shall be visible on the computer and available in Excel.
                  e.    [Reports shall include the [electrical] [gas,] [water,] [steam] and [air].]
            3.    System
                  a.    The sub-metering system shall automatically upload all the metering based data
                        on a predefined time period.
                  b.    Tenant software shall be expandable up to 5,000 tenant meters per site.
                  c.    Input of other utilities such as water, air, gas and steam shall be allowed.
                  d.    Detailed trend plots (Consumption Tracker) with a time period selectable by the
                        end user by hour, day, month or yearly basis.
                  e.    Energy usage bar charts by meter or groups of meters.
                  f.    Detailed consumption reports with meter profile information.
                  g.    Provide a Resident Management tool that allows the property management
                        company to manage the residents as they move in and out and show vacant units.
                  h.    Provide a Tenant Metering Dashboard to allow easy access to the billing and
                        tenant information. This dashboard will allow users to print bills, reports, and save
                        notes on individual customers.


February 23, 2012                                                                             [Project Name]
Electrical Power Monitoring & Control [26 09 13 31 00] [16290] -4
      A.    The Contractor shall furnish, install and terminate all communication conductors and associated
            conduits external to any factory supplied equipment.
      B.    All communication conductor wiring and routing shall               be   per   the   manufacturer's
            recommendations and as shown on the contract drawings.
      C.    Additional connections to metering systems, where applicable, shall be done in the field by [the
            manufacturer’s start-up service group] [the installing contractor].
      A.    The meters shall be adjusted so that accurate readings appear on the front of the meter and
            that the readings are within the meters accuracy range.
      B.    Clean exposed surfaces using manufacturer recommended materials and methods.
3.3        TESTING
      A.    Perform factory and installation tests in accordance with applicable NEC, NEMA, UL, ANSI,
            Weights and Measures California and Measurement Canada requirements.
3.4        WARRANTY
      A.    Equipment manufacturer warrants that all goods supplied are free of non-conformities in
            workmanship and materials for one year from date of initial operation, but not more than
            eighteen months from date of shipment.
      A.    [Engage a factory-authorized service representative to perform startup service.
      B.    Provide a qualified tradesman to assist in the commissioning of system
      C.    Obtain and submit as part of final documents a field commissioning report
      D.    Verify that the [meter is] [meters are] installed and connected according to the Contract
      E.    Complete installation      and startup      checks according to manufacturer's written
3.6        SUPPORT
      A.    The electrical equipment manufacturer shall provide a 1-800 number for telephone support.
      B.    The vendor shall provide training at a dedicated training facility, complete with software, devices
            and demonstrations or offer remote training services if required.
      C.    The vendor shall also provide on-line support for technical information and literature.

                                            END OF SECTION

February 23, 2012                                                                               [Project Name]
Electrical Power Monitoring & Control [26 09 13 31 00] [16290] -5

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