10_Nellis-Creech Utility Meter Req 2019-09-13.pdf

NELLIS AND CREECH AFB

INSTALLATION FACILITIES STANDARDS (IFS)

UTILITY METER REQUIREMENTS

13 SEP 2019

This document is an appendix to Nellis & Creech Air Force Bases IFS which is located here:

https://www.wbdg.org/ffc/af-afcec/installation-facilities-standards-ifs/nellis-creech-afb-ifs

1. Installed Equipment: All design and construction shall be in compliance with the most recent versions of the following:

1.1 Air Force Facility Metering Policy Memorandum (06 May 2010)

1.2 Advanced Meter Reading System (AMRS) Meter Specifications (13 Sep 2019)

See attachment at end of document (Pages 4 to 7)

1.3 Electric Meters Unified Facilities Guide Specification (UFGS) section 26 27 13.10 30

1.4 Natural-Gas Metering UFGS section 33 51 13.00 30

1.5 Water Utility Metering UFGS section 33 12 33.00 30

1.6 Nellis and Creech AFB Installation Facilities Standards (IFS)

2. Any discrepancies between code or standards provisions and the contract documents shall immediately be brought to the Contracting Officer’s attention, and the more stringent requirements shall apply unless otherwise directed. Contractors shall be responsible for obtaining any copies of all items referenced in this paragraph. The most current versions of UFGS can be found at http://www.wbdg.org/ccb/ccb.php. The most current AMRS Meter Specification is attached to this document.

2.1 VLAN Connection: All meter installs are required to be connected to the base VLAN with following exceptions:

2.1.1 HVAC systems less than 10 tons. Total tonnage is calculated by summing all air condition units installed on the facility.

2.1.2 When a VLAN connection is not available in the facility.

2.2 Electric Meter: Contractor shall install meters that are UFGS compliant and will function on the AMRS platform. The AMRS native Data Access communication protocol is “MODBUS/TCP”.

https://www.wbdg.org/ffc/af-afcec/installation-facilities-standards-ifs/nellis-creech-afb-ifs http://www.wbdg.org/ccb/ccb.php

2.2.1 The installed electric meter shall be listed in the AMRS Meter Specifications (see attachment).

2.2.2 The contractor shall install a RJ45 jack, within 6 feet of the meter, and install Ethernet Cat

5/6 cable from the communication switches to the RJ45 jack.

2.2.3 The meter shall comply with the most current AMRS Meter Specifications.

2.2.4 All new and replacement meter installations, shall be provided with voltage and current safety disconnect devices or equivalent, so that the meter assembly can be worked on safely over the life of the meter installation and not require utility outages for servicing.

2.2.5 The Contractor shall include all disconnects, mounting hardware, enclosures, wiring and conduit, and safety equipment as required and appropriate to complete the task and provide fully functioning meters and a meter data management system. The Contractor shall provide all wiring equipment, and conduit required to connect the new meter to a ”RJ 45” connector VLAN drop that will allow transmission of the metering data to the AMRS platform. Electric Meter shall not be mounted on or attached to outdoor transformers.

2.2.6 All current, power, and voltage circuit termination points for wires entering the meter or enclosure must be clearly marked, to avoid installation error and simplify future identification of wires for maintenance purposes. These identifying markings shall be reflected on the As-Built drawings.

2.2.7 Meter voltage taps shall be downstream of building main breaker.

2.2.8 Meter installation shall comply with UFGS section 26 27 13.10 30

2.3 Gas Meter: Contractor shall install an “Elster American Standard” meter with “KY” or

“KYZ” pulse output or approved equal.

2.3.1 Meter shall be a positive displacement type.

2.3.2 Meter shall have an odometer style display.

2.3.3 The contractor shall use one of two options to connect the meter pulse output to the

AMRS platform.

2.3.3.1 Using a “KY” or “KYZ” pulse interface, the contractor shall connect to the advanced electric meter’s “KY” or “KYZ” input terminals. The contractor shall be responsible for ensuring that the pulse output interface is compatible with the existing advanced electric meter. The Contractor shall provide all wiring, equipment and conduit required to connect the new meter to the advanced electric meter’s “KY” or “KYZ” input terminals.

2.3.3.2 Using a “KY” or “KYZ” pulse interface, the contractor shall connect to a Pulse Accumulator and “MODBUS/TCP” Converter. The contractor shall provide the accumulator and converter equipment. Connect the resulting output to a “RJ 45” connector VLAN drop. The Contractor shall provide all wiring, equipment and conduit required to connect the new meter to a “RJ 45” connector VLAN drop that will allow transmission of the metering data to the AMRS platform.

2.3.4 The meter shall comply with the most current AMRS Meter Specifications.

2.3.5 Meter installation shall comply with UFGS section 33 51 13.00 30

2.4 Water Meter: Contractor shall install a "McCrometer” water meter with pulse output or approved equal.

2.4.1 The water meter shall meet or exceed the flow characteristics of the following chart with special emphasis on the “Typical Low Flow (95% Minimum).

Meter Size Typical Low

Flow (95% Minimum)

Typical Operating Range (100% ± 2%)

Maximum Continuous Operation

Maximum Intermittent Flow

3/4” 1/2 GPM 1 to 30 GPM 25 GPM 35 GPM 1” 3/4 GPM 1-1/2 to 50 GPM 35 GPM 55 GPM 1-1/2” 1-1/2 GPM 2 to 100 GPM 70 GPM 110 GPM 2” 2 GPM 3 to 160 GPM 115 GPM 175 GPM 3” 2-1/2 GPM 4 to 350 GPM 240 GPM 390 GPM 4” 3-1/2 GPM 5 to 650 GPM 450 GPM 715 GPM 6” 5 GPM 15 to 1300 GPM 910 GPM 1430 GPM

2.4.2 Contractor shall use one of two options to connect the meter pulse output to the AMRS platform.

2.4.2.1 Using a “KY” or “KYZ” pulse interface, the contractor shall connect to the advanced electric meter’s “KY” or “KYZ” input terminals. The contractor shall be responsible for ensuring that the pulse output interface is compatible with the existing advanced electric meter. The Contractor shall provide all wiring, equipment and conduit required to connect the new meter to the advanced electric meter’s “KY” or “KYZ” input terminals.

2.4.2.2 Using a “KY” or “KYZ” pulse interface, the contractor shall connect to a Pulse

Accumulator and “MODBUS/TCP” Converter. The contractor shall provide the accumulator and converter equipment. Connect the resulting output to a “RJ 45” connector VLAN drop. The Contractor shall provide all wiring, equipment and conduit required to connect the new meter to a “RJ 45” connector VLAN drop that will allow transmission of the metering data to the AMRS platform.

2.4.3 The meter shall comply with the most current AMRS Meter Specifications.

2.4.4 Meter installation shall comply with UFGS section 33 12 33.00 30

3. Contractor shall verify exact equipment and coordinate connection details with Energy

Management Control System (EMCS) personnel in Base Civil Engineer (BCE) office (99 CES personnel in Building 812).

4. Meters shall be tested, adjusted and commissioned in accordance with manufacturer’s recommendations and also in accordance with the UFGS.

5. Standalone meters may be used on facilities with less than 10 tons of installed cooling

AND having no access to a communication rack in the facility. Total tonnage is calculated by summing all air condition units installed in the facility.

6. Meters shall be installed inside of buildings, typically in mechanical room near service entrance. Exterior meters may be allowed on a case basis and shall receive written approval from BCE office. If approved, exterior meters shall be installed in a lockable weatherproof enclosure or shall be exterior rated type.

Attachment:

AMRS Meter Specifications v.9.3.19 (13 September 2019)

1.0 AMRS Electric Meter Specifications

The AMRS Compliant Electric Meter shall meet Department of Defense cybersecurity in addition to the following requirements:

• Current Inputs:

• Nominal 5A (Class 0.2s)

• Measured Current: 50mA to 10A

• Withstand: 20A Continuous

• Poly Phase (3 voltages and 3 currents)

• Internal storage for recording 2 values or channels for 90 days, configurable using manufacturer supplied configuration software. Must support interval consumption (15 minute) and demand (15 minute block average)

• Clear and concise manufacturer’s published procedure or method for extracting the internally recorded values, register sets (buffer) or channel data via Modbus and Ethernet

• Shall support time of use recording

• Onboard Ethernet communications, base 10/100 with RJ45 connector or pigtail with receptacle connector

• Modbus/TCP communication protocol is required.

• Front display with ability to display all measured values

• Minimum of two external dry contact inputs that shall count pulses from other devices

• Minimum of one (1) external RS485 serial port

• Control power/three phase voltage will be provided by a three phase breaker, or through a fused safety disconnect switch. If breakers or disconnects cannot be used to power electrical meters, fused options must be approved by the Team to ensure they meet current AMRS as well as Air Force Standards

• Firmware versions must be approved in the AMRS ATO, contact Contracting Officer to request approved version upon award

• Meter shall have control power regardless of breaker position when installed in a split buss switchgear

1.1 New Meter Installations

For all new meter installations, including relocated existing meters, three phase voltage shall be supplied from a three phase breaker/disconnect or fused voltage source which shall be labeled and marked in electrical meters and electrical panels. Meter assemblies shall be provided with voltage and current safety disconnect devices or equivalent so that the meter assembly can be worked on safely over the life of the meter installation and not require utility outages for servicing. All new meter installations, including relocated existing meters, shall include the installation of new properly sized split or solid core current transformers (CTs). All new meter installations, including relocated existing meters, shall be connected from the meter, to a RJ45 jack in the mechanical room, to a patch panel in the communications room, and then to the Air Force switch in the communications room. Base communication installation guidelines shall be followed at all times. The final connection to the Air Force switch may have to be performed by the base communications organization. In that event, a six (6) ft. patch cord shall be left with the COR for the third party to make the final connection.

1.2 AMRS Compliant Meter List

The following list of meters were evaluated and meet the AMRS meter specification. Meters shall function within the AMRS platform.

• Schneider Electric ION 8650

• Schneider Electric ION8600

• Schneider Electric PM8000

• Electro Industries Nexus 1272

• Electro Industries Nexus 1262

• Schneider Electric PM5560

• Schneider Electric PM800 with PM8ECC network card

2.0 AMRS Compatible Gas Meter Specifications

AMRS compatible gas metering solutions consist of a componential system to achieve the goal of delivering gas consumption data into the AMRS. To accurately scale output pulses the contractor shall obtain building gas usage from base personnel, taking into account peak demand when sizing the components that are necessary as well as determining peak pulse rate as to not saturate the receiving device and risk losing captured pulse data. The various components that may be necessary include but are not limited to the following: Gas Meter, Pulse Kit, High Speed Dividing Pulse Relay, Surge Suppression Device, Accumulator, Electric Meter with digital input availability.

All exterior to interior communication links shall have surge suppression.

• Pulse kit must be able to produce a two-wire (Form A) pulse output via RS485

• Pulse output shall be delivered to a high speed dividing pulse relay that has the capability of producing a wetting voltage if necessary

• High speed dividing pulse relay shall provide isolated pulse outputs (Form A) that shall be delivered to an AMRS compatible electric meter

• In the event a facility does not have a compatible AMRS electric meter, a high speed dividing pulse relay shall provide isolated pulse outputs (Form A) that shall be delivered to an accumulator that speaks the Modbus protocol natively and can communicate to AMRS via the Modbus/TCP protocol

• Gas Meters that can communicate to AMRS via the Modbus/TCP protocol may be acceptable if they can pass technical and cybersecurity evaluations directed by the AMRS PMO. At this time there are no tested or approved Modbus /TCP gas meters

3.0 AMRS Compatible Water Meter Specifications

AMRS compatible water metering solutions consist of a componential system to achieve the goal of delivering water consumption data into the AMRS. To accurately scale output pulses the contractor shall obtain building water usage from base personnel, taking into account peak demand when sizing the components that are necessary as well as determining peak pulse rate as to not saturate the receiving device and risk losing captured pulse data. The various components that may be necessary include but are not limited to the following: Water Meter, Pulse Kit, High Speed Dividing Pulse Relay, Surge Suppression Device, Accumulator, and Electric Meter with digital input availability.

All exterior to interior communication links shall have surge suppression.

• Pulse kit must be able to produce a two-wire (Form A) pulse output via RS485

• Pulse output shall be delivered to a high speed dividing pulse relay that has the capability of producing a wetting voltage if necessary

• High speed dividing pulse relay shall provide isolated pulse outputs (Form A) that shall be delivered to an AMRS compatible electric meter

4.0 AMRS Compatible Translation Devices and Accumulators

The following device is compatible with the AMRS platform, is consistent with the need of the existing site conditions, and has been tested and passed cybersecurity requirements:

• Schneider Electric EGX150 Ethernet Gateway

5.0 Typical AMRS Electric Meter Parameters

Measured Parameters:

• Voltage Phase A-N and A-B, Typical settings

• Voltage Phase B-N and B-C, Typical settings

• Voltage Phase C-N and C-A, Typical settings

• Current Phase A

• Current Phase B

• Current Phase C

• Current Phase N, Neutral

• Power (Real) or Active, Total

• Power Reactive, Total

• Power (Volts Amps) or VA, Total

• Power Factor Total, COS

• Frequency in HZ

• Demand, Block Average (15 Minute) (BWA)

• Energy, KWH (Active or Real)

• Meter I/O

END OF UTILITY METER REQUIREMENTS

1.0 AMRS Electric Meter Specifications