PART B: CONTRACT SPECIFICATIONS TERMS OF REFERENCE 1. CONTRACT DETAILThe tender entails the municipality contracting for the supply and delivery of residential electricity prepaid meters to the Breede Valley Municipality for the period ending 30 June 2018, to be used in various electrical projects and maintenance work within the municipal area.

The municipality intends to procure the minimum quantities of the listed items in pricing schedule. The quantities in the pricing schedule above represents the average procurement based on the previous year hence can vary due to operational reasons.

Based on the tendered amounts received, the municipality shall reserve the right to amend the quantities at its discretion in order to meet the budget limitations.

2. ELIGIBILTY CRITERIAOnly those tenderers who satisfy the following eligibility criteria are eligible to submit tenders:

i. who meet the stipulated minimum threshold for local production and content of 70% as prescribed by National Treasury,

ii. who comply with the minimum specification of all accessories be pre-wired in accordance to SANS 10142

iii. who are able to supply all items listed in the schedule of quantitiesShall be eligible to participation further on price and preferential points.

3. TECHNICAL SPECIFICATIONFor the technical specification of each item required, please refer to the specification below

ITEM 1: Single Phase Prepayment Meter (Common base type – with Base)

The meter must be a single phase 80 Amp common base prepayment meter that meets Eskom’s prepayment metering requirements. It must be suited to new reticulation and directly and easily interchangeable with meters from other manufacturers using the standards common base

1.1 Standards:The prepayment meter must be fully compliant to the following standards:

STS Compliant NRS009-1 NRS009-6-6 NRS009-6-7 IEC 62053-21 IEC 62052-11 IEC 61000-4-2 IEC 61000-4-3 IEC 61000-4-4 IEC 61000-4-6 CISPR 22 IEC60529 ESKOM DSP 34-434 IEC62052-11 SANS 1524-1 ESKOM DISSCAAA9 ESKOM RES/RR/00/11740 ESKOM DSP 34-434 ESKOM DST 34-749 IEC 62055-41 IEC 62055-51

1.2. Technical SpecificationsType: Single phase 2 wire - direct connected prepayment

meterCredit Entry Mechanism: Keypad with encrypted numbersNominal Voltage (Rated Voltage): 230 Volts AC rms Nominal Frequency: 50Hz Operating Voltage Range: 184V – 276VMaximum Continuous Current (Imax): 80 AmperesMaximum Continuous Current (Imax): 80 AmperesMeasurement Direction: Forward (configured to tamper on reverse energy

detection) Meter Constant (LED flash rate): 1000 impulses / kWhUser Interface: 12 digit keypad with audio feedback

7 character 7 segment LCDAccuracy Class Index: Class 2Disconnection Device Type: Single pole latching contactorInsulation Classification: Protective Class IIInsulation Level: 4kV rms for 1 minute

Overvoltage withstand: 440VAC for 48 hours 9600VDC for 1 minute10

Electromagnetic Compatibility (EMC)

Electrostatic discharge: 15 kV air discharge Immunity to HF fields: 80 MHz to 2 GHz @ 10V/m with load

80MHz to 2GHz @ 30V/m no load Immunity to fast transient bursts: 4 kV Radio interference: CISPR 22 Dimensions: 269.2mm(H) x 148mm(W) x 79.8mm (D)Degree of Protection: IP54 (IEC60529)Meter enclosure: Factory sealed with screw-sealing plugsOperating Temperature Range: -10 degrees celsius to +55 degrees celsius Storage Temperature Range: -25 degrees celsius to +70 degrees celsiusInterface Type: Language-independentComponents: Pictographic/Numeric LCD display

KeypadLED rate of consumption indicatorAudio feedback

Keypad: 12-Key international standard layoutBuzzer: Audio feedback on key pressExternal Interfaces: Rear interface port according to ESKOM DISSCAAA9

1.3 Setting configurations:

Item 1(a)WORCESTERItem code: 513118Power limit: 4.6 kW (20A)Tariff index: 1Supply group - Worcester: 314Tamper status: Active

Re- order level: 100Maximum stock quantity: 300

Item 1(b)DE DOORNSItem code: 513120Power limit: 13.8 kW (60A)Tariff index: 1Supply group – De Doorns:445 Tamper status: ActiveRe- order level: 100Maximum stock quantity: 200

Item 1(c) TOUWS RIVERItem code: 513119Power limit: 13.8 kW ( 60A )Tariff index: 1Supply group – Touws River: 692Tamper status: ActiveRe- order level: 100Maximum stock quantity: 200

ITEM 2: Three Phase Prepayment Meter (Direct Connected)

The meter must be of the three phase prepayment meter type and a direct connected four wire 100 Amp per phase in a compact BS housing. The meter must be suitable for residential, commercial and light industrial environments.

2.1 Standards:The prepayment meter must be fully compliant to the following standards:

STS Compliant SANS 1524-1 South African National Standard – Part 1 IEC 1036 SCSSCAAJ1 Eskom: Particular Requirements for Prepayment Meters SCSSCAAA9 TRMSCAAP ESKASAAN2 RES/RR/00/11740 NRS 009-4-2 / 009-6-6 / 009-6-7 / 009-6-9 / 099-7 SANS 1524 -1 SANS 1799 IEC 62052-11 ESKOM DISSCAAA9 IEC 62056-21 EC 62055-31 BS 5685: 1979

2.2 Meter Control Unit:Type: Three phase 4 wire - direct connected prepayment

meter

Credit Entry Mechanism : Keypad with encrypted numbersNominal Voltage (Rated Voltage): 230 Volts AC rms (phase to neutral voltage) Nominal Frequency: 50Hz Operating Voltage Range: 184V – 276V (phase to neutral voltage) Maximum Continuous Current (Imax): 100 AmperesMeasurement Direction: Forward (configured to tamper on reverse energy

detection) Meter Constant (LED flash rate): 1000 impulses / kWhAccuracy Class Index Class 1Disconnection Device Type: Three pole latching contactorInsulation Classification: Protective Class IIUser interface 12 characters keypad with audio feedback

7 character, 7 segment LCD with additional iconsInsulation Level: 4kV rms for 1 minute

Overvoltage withstand: 440VAC for 48 hours9600VDC for 1 minute10

Electromagnetic Compatibility (EMC)

Electrostatic discharge: 15 kV air discharge Immunity to HF fields: 80 MHz to 2 GHz @ 10V/m with load

80MHz to 2GHz @ 30V/m no load Immunity to fast transient bursts: 4 kV Radio interference: CISPR 22 Dimensions: 286 mm(H) x 173mm(W) x 80mm(D) [ with terminal

cover ]Degree of Protection: IP54 (IEC60529)Operating Temperature Range: -10 degrees celsius to +55 degrees celsius Storage Temperature Range: -25 degrees celsius to +70 degrees celsiusInterface Type: Language-independentComponents: Pictographic/Numeric LCD display

KeypadLED rate of consumption indicatorAudio feedback

Keypad: 12-Key international standard layoutBuzzer: Audio feedback on key press

2.3 Setting configurations:

Item 2(a)WORCESTERExisting Item Code: 513116Power limit: 23 kW (100 A )Tariff index: 1Supply group - Worcester: 314Tamper detection: ACTIVERe- order level: 20Maximum stock quantity:50

ITEM 3: Single Phase DIN Rail Power Line Communications Prepayment Meter (Common base CIU Type)

The meter must be a single-phase 80 Amp keypad-based, split prepayment meter in a DIN rail-mount housing, using PLC communications between the meter and the customer interface unit.

The meter must exclusively use the Common Base PLC Customer Interface Unit without the need to remove the existing passive base in the household.

3.1 Standards:The prepayment meter must be fully compliant to the following standards:

STS Compliant IEC 62055-31 IEC 62055-41 IEC 62055-51 IEC 62055-52 SANS 1524-1 South African National Standard – Part 1 DSP 34-1635 Eskom: Particular Requirements for Prepayment Meters NRS 049-2 EN 50065 -1 SANS 1524 -1 SANS 1799 SANS 62052-11 SANS 62053-11 SANS 62053-21 IEC 61000-4-2 IEC 61000-4-3 IEC 61000-4-4 IEC 61000-4-6 CISPR 22 IEC 61334-4-41 ISO/IEC13239 EN 50065 IEC 62056-21

3.2 Meter Control Unit:Type: Single phase 2 wire - direct connected prepayment

meter Credit Entry Mechanism : Keypad with encrypted numbersNominal Voltage (Rated Voltage): 230 Volts AC rms Nominal Frequency: 50Hz Operating Voltage Range: 184V – 276VMaximum Continuous Current (Imax): 80 AmperesMeasurement Direction: Forward (configured to tamper on reverse energy

detection) Meter Constant (LED flash rate): 1000 impulses / kWhAccuracy Class Index Class 1Disconnection Device Type: Single pole latching contactorInsulation Classification: Protective Class IIInsulation Level: 4kV rms for 1 minuteOvervoltage withstand: 440VAC for 48 hours9

600VDC for 1 minute10Electromagnetic Compatibility (EMC)

Electrostatic discharge: 15 kV air discharge

Product Life 15 yearsImmunity to HF fields: 80 MHz to 2 GHz @ 10V/m with load

80MHz to 2GHz @ 30V/m no load Immunity to fast transient bursts: 4 kV Radio interference: CISPR 22 Communication Circuitry: Power line carrierProtocol : Device Language Message Specification (DLMS)

High-level data link control (HDLC)Dimensions: 127mm(H) x 47mm(W) x 87mm (D)Degree of Protection: IP51 or betterMeter enclosure: Factory sealed with screw-sealing plugsOperating Temperature Range: -10 degrees celsius to +55 degrees celsius Storage Temperature Range: -25 degrees celsius to +70 degrees celsiusAnti – tamper feature: Fitted with anti-tamper shroudExternal Interfaces: Rear interface port according to ESKOM DISSCAAA9

Optical Communications PortProprietary Interrogation Port

Energy monitoring Prepaid and Postpaid configurable

3.3 Customer Interface Unit (CIU)

User Interface 12 Digit Keypad with Audio FeedbackUser Display 8 digit LCD with language independent iconsCommunication Circuitry 66kHz FSK – CENELEC A Band for utilitiesIP Rating IP 54Protocol Device Language Message Specification (DLMS).

High-level data link control (HDLC)Installation Wall mounted: Common-base plug-in type

3.4 Operating Modes

Prepayment mode Fully STS Compliant Must react to all generic STS tokens for meter interrogation

3.5 MEASUREMENT AND CONTROL UNIT (Meter Units)

Setting configurations:

Item 3(a)WORCESTERExisting Item Code: 513126Power limit: 4,6 kW (20A)Tariff index: 1Supply group - Worcester: 314Energy monitoring: Prepaid configuredRequired stock level in main store = 300Minimum stock level in main sore = 100

Item 3(b)DE DOORNSExisting Item Code: 513127Power limit: 13,8 kW (60A)Tariff index: 1Supply group - De Doorns 445Energy monitoring: Prepaid configuredRequired stock level in main store = 100Minimum stock level in main sore = 50

Item 3(c)TOUWS RIVERExisting Item Code: 513128Power limit: 13,8 kW (60A)Tariff index: 1Supply group - Touws River 692Energy monitoring: Prepaid configuredRequired stock level in main store = 100Minimum stock level in main sore = 50

3.6. CUSTOMER INTERFACE UNIT (CIU) (Common Base plug-in type)

Item 3(d)Existing Item Code: 513140

The stock level thresholds should be as follows:

Required stock level in main store = 600 Minimum stock level in main sore = 200

ITEM 4: Smart Single Phase DIN Rail Power Line Communications Prepayment Meter (with plug in Communication Interface Unit)

The meter must be of the single phase DIN-Rail type and part of the smart prepayment meter family. It must be an advanced single-phase, multi-function, keypad-based, smart prepayment meter in a DIN-Rail housing. The meter solution must incorporate powerful e-metering functionality combined with STS prepayment and uses open standard OFDM G3-PLC communications between the meter, the P160 customer interface unit and a PLC Data Concentrator.

The meter solution must be an open standard smart STS prepayment meters, making use of OFDM G3-PLC, dlms/COSEM, IDIS and STS prepayment standards to ensure future proof open communications standards for the electricity utility for years to come.

4.1 Standards: IEC 62052-11 IEC 62053-21 IEC 62053-23 IEC 60529 IEC 61000-4-3 IEC / CISPR 22 CENELEC EN 50065-1 EN 62054-21

IEC 62056-21 ESKOM DSP34-1635 IEC61334-4-41 ISO/IEC13239 EN 50065 IEC 62055-31 IEC 60695-2-1 SANS 1524-1 IEC62055-41 IEC62055-51 IDIS IEC 61334-5-2 EN 50065-1 SANS / IEC 60950

4.2 Technical specifications: Measurement and Control Unit

Type: single phase 2-wire prepayment meterRated voltage: 110 to 240 Volts ACFrequency: 50HzExtended operating voltage range: 184V – 276VBase current: 5AMaximum current (Imax): 80AMeter constant (LED flash rate): 1000 impulses / kWh

1000 impulses / kVAhMeasurement Accuracy: Class 1Operating Temperature Range: -10 degrees celsius to +55 degrees celsius Storage Temperature Range: -40 degrees celsius to +70 degrees celsiusIP Rating: IP54Electromagnetic RF fields: 80 MHz to 2 GHz 10 V/m with load

30 V/m no loadFast transient burst:Current / voltage under load

4 kV

Radio interference suppression: CISPR 22 and CENELEC EN 50065-1Insulation System Classification:Insulation Level

Protective Class ll4 kV rms @ 50Hz for 1 minute

Calendar Clock Normal operation:Accuracy (at +23°C) + 0.2 s/day Reserve runningAccuracy (at +23°C) <1 s/dayOperational Reserve super-capacitor minimum 36 hoursMeter constant 1000 pulses/kWh

1000 pulses/kVAhEnergy monitoring Prepaid and Postpaid configurable

4.3 Customer Interface Unit (CIU)Supply Voltage 110-240 VAC wide ranging power supplySupply Frequency 50HzPower consumption <1.5 W / <12 VA @ 230VAC, 50Hz Maximum Rated Current <120mA @ 230VAC, 50Hz Protective Class Double insulated – Protective Class 2 Supply Connection Mains supply by means of integrated power cord.

Variants are available with various international power plugs

Battery 1 x 9 Volt (6LR61 type) batteryCommunications Circuitry Type Narrowband OFDM G3-PLC (Power Line Carrier)Protocol Device Language Message Specification (DLMS)Operating Temperature Range: -10 degrees celsius to +55 degrees celsius Storage Temperature Range: -40 degrees celsius to +70 degrees celsiusEnclosure:

Type Wall mounted with integrated AC power cord and slidingbattery compartment

IP Rating IP 51Sealing & Access Control:

Battery Compartment Type Sliding compartment for battery replacementCustomer Interface Unit Enclosure Factory sealed- no user serviceable partsKeypad 16-key (including 12-key standard layout)Buzzer Audible feedback on key press,

(token accept and reject melodies and alarms)Energy monitoring Prepaid and Postpaid configurable

4.4 MEASUREMENT AND CONTROL UNIT (MCU)

Setting configurations:

Item 4(a)Existing Item Code: 513136

WORCESTERPower limit: 4,6 kW (20A)Tariff index: 1Supply group - Worcester: 314Energy monitoring: Prepaid configured Required stock level in main store = 200Minimum stock level in main sore = 100

Item 4(b)Existing Item Code: 513137

DE DOORNSPower limit: 13,8 kW (60A)Tariff index: 1Supply group - De Doorns 445Energy monitoring: Prepaid configured Required stock level in main store = 100Minimum stock level in main sore = 50

Item 4(c)Existing Item Code: 513138

TOUWS RIVERPower limit: 13,8 kW (60A)Tariff index: 1Supply group - Touws River 692Energy monitoring: Prepaid configuredRequired stock level in main store = 100Minimum stock level in main sore = 50

4.5 CUSTOMER INTERFACE UNIT (CIU) – Common Base Plug - In

Item 4(d)

Existing Item Code: 513141

The stock level thresholds should be as follows:

Required stock level in main store = 600 Minimum stock level in main sore = 200

ITEM 5: Single Phase Postpayment Meter (Whole Current)

The meter must be a whole current static electricity meter capable of measuring kWh in single and two rate variants.

5.1 Standards: ISO 9001:1994 IEC 62053-21 OFGEM

Approval Number IEC 62052-11 IEC 62053-23 EN 63052-11 Section 7.1.1 / 7.1.2 EN 62052-11:2003 section 6.1 IEC 60529 BS EN60068-2-27 IEC 610000-4-2 IEC 610000-4-3 IEC 610000-4-4 IEC 610000-4-5 IEC 62053-11 IEC 626050-131 IEC 62056-21

5.2 Technical specifications:Nominal Voltage: 220V - 240VVoltage Range: 80-115% Nominal VoltageVoltage Withstand: 415V Continuous Nominal Frequency: 50/60HzCurrent Max (Imax): 100AMeasuring Accuracy: Class 1Measurement Behaviour:Measuring Range: 20mA up to 100ACertified Life: 20 years

Temperature Range:Operation: -10 degrees celcius to +45 b degrees celciusPower Measurement Range: -25 degrees celcius to +55 degrees celciusStorage: -25 degrees celcius to +70 degrees celciusTemperature Coefficient:Range: -10 degrees celsius to +45 degrees CelsiusRadio Interference suppression: IEC/CISPR 22 - Class BElectromagnetic Compatibility:Electrostatic Discharges: IEC 610000-4-2Contact Discharges: 8kVAir Discharges: 15kVElectromagnetic RF Fields: IEC 610000-4-380 MHz to 2 GHz: 10V/mDisplay Characteristics: 7 character - 7 segment LCDNumber of Digits: 6 significant numbers 2dpCommunication InterfacesOptical Interface Bi-directional interfaceProtocol IEC 62056-21Case MaterialBase, Top Cover and Terminal Cover: Flame retardant and UV stabilized polycarbonate

Item 5(a)

Existing Item Code: 513139

WORCESTERRequired stock level in main store = 100Minimum stock level in main sore = 50

6. Accelerated Environmental Stress Tests Proof should be provided that 5% of the meter batch was subjected to accelerated environmental stress test at a SANAS accredited or traceable Institution. The serial numbers of the tested meters must not be sequence and must be apart with at least ten increments.

7. All prepayment meters should be configured with language independent short numeric codes. The short codes should be activated / provided to retrieve the following minimum meter status information:

Trip ContactorDisplay TestKeypad Test Total kWh ConsumedTariff IndexMaximum Power LimitSupply Group CodeInstantaneous Meter Power Load CurrentLine VoltagePhase VoltageMeter Serial NumberKey Revision Number & Type

Meter FirmwareMeter Consumption (24 hours)Meter Consumption (30 days)Meter Consumption (90 days)Last kWh token accepted2nd Last kWh token accepted3rd Last kWh token accepted4th Last kWh token accepted5th Last kWh token accepted

8. Additional information on meter:

The following logo and wording should be displayed on the CIU (split meters) and active unit (direct connected).

Notice dimensions: 70 mm x 30mm

9. Documentation:

The following documents should accompany each dispatched order and must be present when goods are receipt by the municipality:

Factory quality control test report of the total meter batch Test Certificates as stated in article 6 Accreditation proof of adherence to standards as stated in articles 1, 2, 3, 4 and 5

10. Meter Serial Number Record

This meter is the property of Breede Valley Municipality.

In the event of malfunction please call the BVM Call Centre at 086 012 1212

An Excel spreadsheet - or Text file hard copy (with serial numbers of the total batch) must be loaded on a portable flash drive. The flash drive should accompany each dispatched order and must be present when the goods are received by the municipality.

11. Accessories

Each individual meter must be accompanied by the following:

Consumer Card Basic User Guide Fitting Screws

12. Guarantee

A twelve-month guarantee must be provided for each individual meter. The meter must be under guarantee for a period of 12 calendar months for its functional operation within the environmental - and technical operating specifications. The guarantee period of 12 calendar month period will come into effect as from the day when goods and materials are received at the municipal main store.

The meter must be replaced at cost of the successful supplier if it is found that the meter failed / malfunction within the 12 calendar month period.

The guarantee documentation must accompany each dispatched order and must be present when goods are receipt by the municipality.

13. Training

Annual training must be provided on the functionality of the full range of the above mentioned meters and related software by the successful supplier in an accredited training environment. The successful supplier will be responsible for traveling - and accommodation costs as well as the associated costs of the training officer.

14. Delivery period

The material and equipment must be assembled and delivered within a maximum period of 6 calendar weeks as from the receipt of official order number.

The successful tenderer must be able to provide additional stock quantities for the full meter range as mentioned above as and when required by the municipality for operational and special service installation projects.

15. Factory visit

The successful supplier must provide access to its actual factory production line. A visit for inspection and evaluation of the factory production processes and product design must be arranged for two municipal delegates. The successful supplier will be responsible for all traveling and accommodation costs.

Kindly note Electrical Services Department will not accept meter solutions from any supplier unless it complies with all the above mentioned pre- requisites.

4. ADDITIONAL REQUIREMENTS/CONDITIONS

All service providers must adhere to the following conditions: Only the SABS approved technical specification number SATS 1286:2011 must be used to pre-wire all

accessories. The exchange rate used to calculate local production and content must be the exchange rate published

by SARB at 12:00 on the date of advertisement of this bid, which is 17 February 2017. The Municipality reserves the right NOT to order any item, should the need do not materialize. The municipality reserves the right to amend the quantities at its discretion in order to meet the budget

limitations. Payments will be done on a monthly basis, subject to the deliver note and upon presentation of a tax

invoice with the period prescribed by the municipal procurement policy. The average quantities, as per pricing schedule, are required, in which the municipality will put in orders

for various quantities of the goods, as and when the need arise. The tender shall run over two financial years; hence the duration of the tender shall be a period from

date of award until 30 June 2018. Bidders must indicate the percentage increase in their prices (to a maximum of 7 percent (%), which will

be taken into account for evaluation purposes. The percentage increase will be affected on the first day of the new financial year, which is 1 July 2017.

Bidders MUST be able to supply all the items listed in the schedule of quantities. In order to achieve uniform standards and compliance to network compatibility, the tender shall be evaluated and awarded as a whole to one successful supplier.

The municipality reserves the right to amend the quantities at its discretion in order to meet the budget limitations.

Failure to comply with the minimum conditions/ requirements stated in this tender document shall result in automatic disqualification

5. DELIVERIES AND OFF-LOADING

The required goods are to be delivered to the Breede Valley Municipality main stores,1 Mark Street, Worcester

The Bidder shall indicate to the client his delivery periods / -time frames to which he shall adhere after the placement of official order. The delivery period after placement of an order clearly in terms of lead time, rate of dispatch and completion of contract. (Departures from this requirement shall be as mutually agreed upon between himself and the relevant municipal official(s) placing such order). However, deliveries will be strictly within 4 - 6 weeks after the receipt of an official order.

In addition, the delivery and offloading of all electrical items will be the responsibility of the successful bidder. The successful bidder must use a suitable delivery vehicle for this purpose and must use suitable trained staff to ensure safe offloading. The municipality reserves the right to cancel an official order and return all goods, at no cost to the municipality, if the successful bidder does not comply with this requirement. Breede Valley Municipality will not be held liable for any damage to electrical items prior to signing for delivery.

6. QUALITYUnless explicit request therefore stated elsewhere in this document, the Bidder, when supplying the goods that are required to comply with the standard specification, and if ordered to do so, shall furnish the Engineer with certificates showing that the goods do so comply.

7. TESTING

7.1 STATISTICAL ANALYSIS OF CONTROL TESTS

The results shall not be evaluated by statistical methods. All results shall comply with the specified minimum requirements of the material concerned.