Military Engineer Services-MES has published Installation Of Smart Prepaid Meters At Af Stn Sulur. Submission Date for this Tender is 23-03-2022. Electrical Meter Tenders in sulur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 14-Mar-2022 | AMENDMENT | BOQ | 23-03-2022 |
| Sl. No. | Item Description |
| 1 | SCHEDULE A BOQ |
| 2 | Supply, Install, testing of Single phase electronic, accuracy class 1.0 keypad prepaid meters , BLE inbuilt for Data Collection & easy token transfer through Mobile App and provisions for TOD (Time of Day) tariff and R.T.C (Real Time Clock), ISI marking on the meter. Ib-5A and Imax-60A, confirming to IS13779, IS15959 and IS15884. Display should be Graphical with Green back light, Intuitive, User friendly 8-digit display, Display should be viewable during absence of main supply. The Meter Should have facility to work in Prepayment / Accounting mode through Configuration. Meter Should have Load Limiting feature same to be configured by Installer including necessary connection by using submain wiring with cable of suitable size covered with PVC Casing capping/PVC conduit approx 1 Mtr length as per existing site requirement and suitable size PVC box for mounting of electric meter all as specified and directed by Engr in Charge. Make:-Secure/ Schneider/ABB |
| 3 | The display parameters shall be as follows:- a) Days Left (based on consumption of last seven days) |
| 4 | b) Value of recent consumption. |
| 5 | c)The currently active rates, the prices charged for consumption at each rate, and the number of units consumed at each rate and the daily charges. |
| 6 | d) Last 5 recharge codes entered in to the meter. |
| 7 | e)Authenticated Billing Code (ABC). |
| 8 | f)The total amount vended. |
| 9 | g)Shows the refund Code |
| 10 | h) Displays monthly consumption in Rupees/kWH. |
| 11 | j)Maximum demand with occurrence of time and date. |
| 12 | k) Instantaneous load and the projected hourly cost of use at this load. |
| 13 | l) Date/Time, Serial No. |
| 14 | m) Voltage, current etc. |
| 15 | n) Key code mode for punching code in to the meter, option to configure different tariff slabs. |
| 16 | o) Easy Token transfer through Consumer Mobile App over Bluetooth should be provided |
| 17 | p) The existing energy meter shall not be diturbed and will function parallelly. |
| 18 | Supply, Install, testing of Three phase electronic, accuracy class 1.0 keypad prepaid meters with , BLE inbuilt for Data Collection & easy token transfer through Mobile App and provisions for TOD (Time of Day) tariff and R.T.C (Real Time Clock), ISI marking onthe meter. Ib-10A and Imax-100A, confirming to IS13779, IS15959 and IS15884. Display should be Graphical with Green back light, Intuitive, User friendly 8-digit display, Display should be viewable during absence of main supply. The Meter Should have facility to work in Prepayment / Accounting mode through Configuration. Meter Should have Load Limiting feature same to be configured by Installer including necessary connection by using submain wiring covered with PVC Casing capping/PVC conduit approx 1 Mtr length as per existing site requirement and suitable size PVC box for mounting of electric meter all as specified and directed by Engr in Charge. Make : Secure/ Schneider/ABB |
| 19 | The display parameters shall be as follows:- a) Days Left (based on consumption of last seven days) |
| 20 | b) Value of recent consumption. |
| 21 | c)The currently active rates, the prices charged for consumption at each rate, and the number of units consumed at each rate and the daily charges. |
| 22 | d) Last 5 recharge codes entered in to the meter. |
| 23 | e)Authenticated Billing Code (ABC). |
| 24 | f)The total amount vended. |
| 25 | g)Shows the refund Code |
| 26 | h) Displays monthly consumption in Rupees/kWH. |
| 27 | j)Maximum demand with occurrence of time and date. |
| 28 | k) Instantaneous load and the projected hourly cost of use at this load. |
| 29 | l) Date/Time, Serial No. |
| 30 | m) Voltage, current etc. |
| 31 | n) Key code mode for punching code in to the meter, option to configure different tariff slabs. |
| 32 | o) Easy Token transfer through Consumer Mobile App over Bluetooth should be provided |
| 33 | Notes for Item No 2 & 18 |
| 34 | i) The contractor shall submit warranty certificate from manufacturer for a period of 10 years from the date of supply for replacement if any manufacturing defect occurs. |
| 35 | ii) Demo and training has to be provided on completion/ installation of Prepaid meters. |
| 36 | iii) Tariff Designing, Creation of database, mapping of consumers, training to operators.-One time Charges |
| 37 | iv) Provision of infrastructure for Vending system like computer PC desktop with processor P- 4 dual core, 4-GB RAM, hard disk 500 GB, 1-CD/DVD combo drive R/W type, 4-USB Port including 15" monitor of same make, video card, keyboard, cordless mouce, Make- HP/IBM/Equivalent with licensed Operating system( Window8), along with 1KVS capacity UPS all as specified. |
| 38 | The quoted rates to be inclusive of the following : - |
| 39 | "SINGLE PHASE AND THREE PHASE PRE PAYMENT METER AND VENDING / TRANSACTION SERVICE” |
| 40 | CURRENT AND VOLTAGE RATING: Single Phase Rated Voltage (Vref) :230 V Phase to Neutral Rated Current:Basic Current 10A (Ib) Maximum current 60A (Imax) |
| 41 | CURRENT AND VOLTAGE RATING: Three Phase Rated Voltage (Vref) :3 x 230 V Phase to Phase Rated Current:Basic Current10A (Ib) Maximum current 100A (Imax) |
| 42 | VARIATION IN POWER SUPPLY: The meters shall be suitable for working satisfactorily with the following power supply system variations:— VOLTAGE RANGE: (i) Specified Operating Range : 0.7 to 1.3 Vref.(-30% to +30%) (ii) Operating voltage range for accuracy requirement : 0.85 to 1.15 Vref i.e. –15% to + 15% |
| 43 | FREQUENCY VARIATION: The standard reference frequency for performance shall be 50Hz with tolerance + 5%. |
| 44 | POWER CONSUMPTION: VOLTAGE CIRCUIT: The active, apparent Power consumption in voltage circuit including the power supply of the meter at reference voltage, reference temperature and reference frequency shall be within limits as specify in relevant IS. CURRENT CIRCUIT: The apparent Power taken by each current circuit at basic current, reference frequency and reference temperature shall be within limits as specify in relevant IS. |
| 45 | STARTING CURRENT: The meter should start registering the energy at 0.2% of Ib ACCURACY: Class of accuracy of meter shall be 1.0 and shall confirm to accuracy requirement as per specify IS |
| 46 | DISPLAY and KEYPAD: Display: The display shall be alphanumeric in English languages. There should be two modes of information display; these are Normal Display and Engineering Display. Normal Display: The meter should provide following information on the display and the same shall also be available on the split/display unit. • The days left based on the last seven days average consumption. • Connected Load and the Load cost in Rs/hr. • Consumption history for previous day, previous week, previous month and subsequent last twelve months. • Tariff details such as the applicable tariff rates, fixed/standing charge, minimum charges and the applicable tax. • Last five vend codes entered. • Total credit added till date. • MD information along with date and time. • Instantaneous parameters like voltage, current, frequency etc. • Balance credit available to the consumer & average/approximate days left for power supply Engineering Display: This display shall be available only upon the application of Valid Codes on the meter, and shall enable the display of the following: • Software version. • All the limiting parameters value, such as Load limit, current limit and emergency credit limit. • Switch operation counts. |
| 47 | LCD UNIT: The display unit shall be Pin type built-in liquid crystal display. The measured value(s) shall be displayed on minimum five digit Liquid Crystal display (LCD) display unit, having minimum character size of 8mm X 4mm. When the meter is not energized, the display need not be visible. Each display shall be retained for a minimum period of 2s. The meter display shall be provided with the option of backlit. |
| 48 | TARIFF: (a)Following are the features required in the meter for Tariff. It shall be possible to change all the tariff related parameters through vend code. (b) Minimum charges: Using the online vending system it shall be possible to define the minimum charge for the applicable tariff category. If the consumer consumes electricity equivalent of amount less than the minimum charge then at the end of the billing period the meter shall deduct the difference of the minimum amount and the monthly consumption (Amount). (c) Fixed Charges: Meter shall be able to deduct fixed charges on daily basis such as meter rent, sanctioned load based charges etc. The fixed charges shall be defined using the online vending system. (d) Time of Day (TOD) Tariff: The meter shall have facility for recording and storing of TOD consumption on minimum Four Tariff Rates, per day basic. |
| 49 | (e) It should be possible to change the time period for TOD recordings through the portable device or through vending system. (f)Slab Tariff: The meter shall have capability for defining minimum four tariff slabs. It shall be possible to change the slabs through the portable device or through the online vending system. (g) Tax/Duty: It shall be possible to define the tax percentage through online vending system which has to be levied on the amount of the energy consumed. (h) Rebate: The meter shall have facility to record the energy consumption at the rates applicable after deducting the rebate percentage on the energy consumption (j) Debt Management: It shall be possible to collect the debt from the consumers with the use of the online vending system. The debt percentage shall be defined in the vending system. |
| 50 | COMMUNICATION CAPABILITY: (a) The meter shall be provided with an optical communication port (Compatible to RS232) & BLE inbuilt. It shall be possible to read the meter through the optical port with held hand device & over Bluetooth through Mobile App (Separate Mobile App to be provided for Installer & Cosumer) (b) Easy Meter recharging through Consumer Mobile App over Bluetooth sholud be available (c) Generation of various reports like transaction report, coupon recharge history, faulty meter tracking with three dispatch IDs arrear reports, consumer details at server end, should be part of the communication feature of the meter. (d) Tariff change / modification should be configurable at Server end only. |
| 51 | GENERAL REQUIREMENTS (a) Meter shall be designed and constructed in such a way as to avoid introducing any danger in use and under normal conditions so as to ensure specially the following:— i) Personnel safety against electric shock ii) Personnel safety against effects of excessive temperature. iii)Protection against penetration of solid objects, dust and water. iv)Protection against spread of fire.b) The meter shall be designed on application specific integrated circuit (ASIC) and shall be manufactured using SMT (Surface Mount Technology) components. c) The terminal block, the terminal cover and the meter case shall ensure reasonable safety against the spread of fire. They should not be ignited by thermic overload of live parts in contact with them. d) The meter shall conform to the degree of protection IP 51 against ingress of dust, moisture and vermin. e) All parts which are subject to corrosion under normal working conditions shall be protected effectively. Any protective coating shall not be liable to change by ordinary handling due to exposure to air under normal working conditions. f) The meters shall be designed such that their working remains unaffected by electromagnetic interference, electrostatic discharges and high voltage transients as specified in standard. |
| 52 | TAMPER AND FRAUD PROTECTION: i) The meter shall operate normally under the following conditions: ii) Phase current reversal: The meter shall record forwarded energy. iii) Neutral current reversal: The meter shall record forwarded energy. iv) Phase and neutral interchange: The meter shall record forwarded energy. v) The meter shall operate normally in case the phase and neutral are swapped with neutral connected to earth. vi) In case the neutral is opened with earth load connected, partial phase by pass or full phase bypass the energy shall be recorded on the wire which has higher current recording. Such tampers shall be logged in the memory of the meter. vii) The metering system shall be provided with adequate magnetic shielding so that any external magnetic field (AC Electro Magnet or DC Magnet) as per the values specified in standard applied on the metering system shall not affect the proper functioning and recording of energy as per error limits prescribed by standard. viii) In addition to this the meter shall be immune to 0.5Tesla permanent magnet and there shall be no effect on switch and measurement on applying this magnet. However, if tamper logging is required for magnet influences than in case the magnetic influences effects the metering it shall be logged as tamper & meter shall record energy as per standards. ix)The accuracy of the meter should not be affected with the application of abnormal voltage/frequency generating device such as spark of 35kV approx. |
| 53 | DISPLAY UNIT i) The meter shall be supplied with a separate display unit. ii) The display unit shall be powered up from the meter iii) The display unit shall have a LCD display similar to that of the meter. iv) The display unit shall have a key pad to enter the code. The keypad should be similar to the keypad available on the meter. v) Maximum distance between the display unit and the prepayment meter shall be 100 meters. vi)The display unit and energy meter shall be connected using a 4 wire connection cable (Similar to telephone cable). vii) Diplay Unit shall have BLE feature inbuilt to communicate with Consumer Mobile App for easy token transfer, view meter Alerts & consumption history viii)The display unit shall have a buzzer to generate alarm signal in case of low credit and overload. The buzzer shall be so programmed that it gets activated when the leftover credit balance is Rs. 250/- and repeats itself daily atleast once a day in the last seven days & shall repeat itself every hour basis on the last day of the credit expiry/exhaustion till its acknowledged by the consumer by pressing a key. |
| 54 | Meter Reading: It shall be possible to read the prepayment meters and minimum following information shall be available in meter reading data. i) The transaction history data with date and time. ii) All the events history with time based and category based information. iii)Tariff details including the TOD tables, slab tables and information about the current active rate price. iv)Monthly history and consumption data of the energy consumed for last twelve months. v)ABC codes. vi)All the account related information like meter credit, emergency credit details, minimum charge and fixed charges value. vii)All the limiting parameters shall also be available in meter reading. |
| 55 | Vending System requirement: a)This section specifies the requirements of the vending system for currency based prepayment metering solution. b) The meter shall work on the latest & foolproof currency transfer keypad technology supported by an On-line vending system. The keypad technology should be scam/fraud proof, cost effective and of contemporary communication age, enables consumers to buy electricity over the multiple vending options like Utility billing centers, Utility website, through third party POS providers and SMS based vending. Additional options shall also be supported which shall need the discussion with the Utility as per the mutual agreement i.e. vending through mobile phones, IVR, bank ATM, retail vending stations etc thus provides multiple options to buy electricity. |
| 56 | c) The vending system shall use Triple Data Encryption Standard (Triple DES), i.e. it provides three levels of encryption for the vend code. The code shall be meter specific and can’t be used in any other meter. Triple DES is widely used in banking systems worldwide due to the high level of security provided by the algorithm. d)The necessary licensed Software/Hardware/VPN Connectivity for each Vending Station at Utility billing centre shall be provided by bidder. |
| 57 | e) The vending station shall be placed at the billing stations of Utility for which necessary office space, electricity etc. and furniture for this system shall be provided by Utility. Cash shall be collected by Utility staff; upon the advice of the designated staff the vend terminal / personal computer shall generate a token to transfer the credit to the energy meter. The token shall be printed using the printer attached to the personal computer. Also the VPN connectivity for access between the vending station placed at Utility premises & the bidder’s server shall be provided by Utility. e) Adequate back up power in the form of suitable UPS with standard back up shall be provided at each Vending Station. |
| 58 | f)The vending system shall be the online vending system from where the vend codes shall be issued. It shall be possible to provide various vending options like SMS based vending, web based vending and POS terminals based vending. g) A client system shall be provided in the project monitoring center to produce the MIS reports and defining the customers in the database as mentioned in this specification. |
| 59 | The steps of vending shall be as under:- a) On receipt of the vend request the system shall have a provision to ascertain the identity of the consumer. The keys to identify the consumer shall be the meter serial number or consumer premise number. b) The vend terminal shall send the request to a central database that shall authenticate the transaction and generate an encrypted code. c) In order to provide maximum security to the system the encryption shall not be done on the vend terminal. d) On receipt of each request the vend terminal shall connect to the central database and get the code generated. e) The code hence generated shall be printed on paper using the attached printer / transfered to Consumer Mobile App for easy token transfer to meter over Bluetooth. f) The consumer shall pay the money at the vend terminal, this information when fed to the vend terminal shall be send to the central database that shall encrypt the token using Triple DES encryption algorithm. |
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