Section V DC Nickel Cadmium Alkaline BATTERY

Transcription

1 Section - 7 TECHNICAL SPECIFICATION OF 110V DC Nickel Cadmium Alkaline BATTERY

2 TECHNICAL SPECIFICATIONS & REQUIREMENTS OF 110V DC Nickel Cadmium Alkaline Battery 7. 1 GENERAL This section of the document includes the design, manufacture, testing & inspection of 110V DC Substation Nickel Cadmium Alkaline Battery as specified CLIMATE DATA The equipments to be supplied against this tender shall be suitable for satisfactory use under the following climatic condition: Climate : Tropical, intense sunshine, heavy rain, humid. Maximum Humidity and Temperature sometimes occur simultaneously. Maximum Temperature : 40 0 C Minimum Temperature : 03 0 C Maximum yearly weighted average temperature : 30 0 C Relative humidity : % Annual mean Relative Humidity : 75% Average annual rain fall : 3454 mm Maximum wind velocity : 200 km/ hour Average isokeraunic level : 80 days/ year Maximum altitude above the sea level : 300 metres Atmospherically, Mechanical and Chemical : Moderately polluted impurities 110V Nickel Cadmium Alkaline Battery as specified will be installed in tropical locations and in a hot humid environment with presence of the insects and vermin. The information is given as a guide for Tenders and no responsibility for its accuracy will be accepted, nor will any claim based on the above be entertained SYSTEM PARTICULARS Sl. no. System Characteristics Voltage Level 1. Normal System Voltage, kv Maximum System Voltage, kv System Frequency, Hz Phase Rotation (Anti-Clock wise) RST RST RST RST 6. Type of System Grounding Solid Solid Solid Solid 7. Rated Fault Level (3-Phase Symmetrical), MVA sec. 8. Basic Installation Level, kv Low voltage 415/ 240V Characteristics 9. Normal System Voltage, V 415/ 240 (Voltage Class) 10. Type of System Grounding Solid

3 7.4 STANDARDS: 110V DC Substation Nickel Cadmium Alkaline Battery as specified in this Section shall conform to the edition of the following standard for operation under local ambient conditions. Design, Manufacture, Testing, Installation and Performance shall be in accordance to the latest editions of the relevant IEC IEC standards respectively. 7.5 GENERAL TECHNICAL PARTICULARS: A. 110V DC SUB-STATION Nickel Cadmium Alkaline BATTERY: 1. Application Supply for remote control, auto-operation indication, Protective and Regulating apparatus, emergency light, Power and switching. 2. Altitude meter above sea level. 3. Installation Indoor (self supporting unit) 4. Type Nickel Cadmium Alkaline (enclosed type) 5. Operating Voltage 110 Volts, DC 6. Continuous Discharge 10 Ampere during 10 hours to final voltage 1.2 volt per cell, at the rate of 10 hour discharge rate. 7. Short Time Discharge 50 Ampere during 2 hours to final cells voltage 1.2 volt per cell. 8. Capacity 100 Ampere hour 9. Float Voltage 1.3 Volt per cell 10. Boost Voltage (Normal) 1.6 Volt per cell 11. Cell Voltage 1.2 Volt per cell 12. Nos. of Cell 92 nos nos. Spare 13. Charging Voltage (maximum) 1.75 Volts per cell 14. Type for container Transparent plastic 15. Mounting Rack 16. Construction Closed top 17. Standard All equipment and materials shall be designed, manufactured and tested in accordance with the latest editions of IEC Standard unless otherwise specified in the specification. 18. FEATURES AND ACCESSORIES a) The Nickel Cadmium Alkaline battery shall be nickel cadmium alkaline type, negative plates shall have life equal to or greater than positive plates. b) The Nickel Cadmium Alkaline battery shall have built in protection against active materials shedding and grid corrosion and shall be assembled in heat-resistant, shock-absorbing containers. The containers and covers are connected together to from a leak proof bound against seepage of electrolyte. Covers shall be furnished with spray proof vent lug. The insulation separation between plates to opposite polarity, thereby preventing internal-short circuits and permitting free circulation of electrolyte under all conditions of Nickel Cadmium Alkaline Nickel Cadmium Alkaline battery use. c) The cell terminal post of the inter-cell and end cell connectors shall have adequate current carrying capacity and shall be of lead alloy or lead alloy reinforced with copper inserted. The container shall be filled with sufficient quantity of Alkaline complying with Internationally acceptable standards to ensure that the surface of alkali is leveled with the level mark. d) Cells shall be equipped with necessary bolts and acid resisting nuts, shall be furnished with all the bolts. e) Plates shall be hung suspended without touching the bottom of the containers. Containers shall provide sufficient sediment space so that the plate could shed their active materials without shortening the plates in the cell, as well as to avoid cleaning of cells during the expected life of the Nickel Cadmium Alkaline battery.

4 f) 110% of the required electrolyte meeting the manufacturer s specifications shall be supplied at the correct filling specific gravity with each Nickel Cadmium Alkaline battery set. The electrolyte shall be packaged in 15 gallons or less plastic coated steel drum or in plastic containers. After discharging off the specified rated internal resistance drop of all inter and interject connectors, not to drop below 110 V DC for alkaline type. g) The Nickel Cadmium Alkaline battery rack shall be a few step structural steels and shall be painted with 2 coats of acid resistant gray paint. Interface connector terminal lugs and cell shall be provided with each rack. h) Nickel Cadmium Alkaline Battery shall be shipped dry with concentrated electrolyte in separate containers. i) The following accessories shall be supplied with each Nickel Cadmium Alkaline battery : - Sufficient quantity of electrolyte and distilled water for first filling. - Temperature detectors of batteries for alarming. - Level detectors of batteries for alarming. - Specific gravity detector. - Name plates. - Two lead-plated lugs for No. 4/0 AWG copper cable. - Two portable hydrometer spring. - One vent-mounted hydrometer syringe. - One set of socket wrenches to fit nuts. - Polyethylene bottle with extendable tube for topping up the Nickel Cadmium Alkaline battery. - Special voltmeters to measure cell voltage. - One gallon of anti-corrosive paint. - Record and Instruction Book. j) The following spare parts shall be supplied with each Nickel Cadmium Alkaline battery: - One spare container and cover. - One set of fuses. - One vent plug. - One gallon or equivalent of electrolyte. k) The Nickel Cadmium Alkaline battery shall have guaranteed life of at least 15 years when cared for as recommended by the manufacturer and when maintain float voltage within close tolerances. l) The equipment must be tropicalized. j) Sound Level must be as per IEC TEST CERTIFICATES: The following test certificate along with test results for the offered type 110V DC Substation Nickel Cadmium Alkaline Battery of design confirming to the tender document shall submit with the offer from Internationally reputed Independent testing laboratory or reputed & renowned testing laboratory of IEC for Battery otherwise the bid will be rejected. 7.7 INFORMATION REQUIRED The Tenderer/ Manufacturer as per tender requirements shall provide all information. Besides these, the following information/documents has to be submitted along with the tender:- (a) Manufacturer s drawing showing Outline dimension & General arrangement drawings of offered type equipment. (b) Manufacturer s Printed Catalogue describing specification and technical data of the offered type equipment.

5 (c) The Tenderer/Manufacturer shall submit with the bid the testing procedure & list of testing/measuring equipment, meters etc. used for Factory test witness. (d) Construction, Installation, Operation & Maintenance Manual. (e) Manufacturer's valid ISO Certificate. 7.8 DOCUMENTATION The following documents are to be submitted along with the Tender, otherwise the bid will be rejected:- A. Commercial Tenderer shall be eligible as per ITT Clause No. 4 and they should submit Bid validity, Bid Bond, Bid Bond validity, Price Schedule, Delivery Schedule, Authorisation of the signatory, Tender Submission Sheet, Tenderer Information Sheet & Documentary evidence for establishing the Tenderer s Qualifications, etc. and all other documents including information related to rejection clause as per Tender Document. B. Technical 1) Guaranteed Technical Particulars (GTP) shall be properly filled up and signed by both Manufacturer and Tenderer. 2) Letter of authorisation from the Manufacturers, in case, the bidder is not the manufacturer, in prescribed Form. 3) Minimum 02(Two) nos. of Manufacturer s Supply record for offered type 110V DC Nickel Cadmium Alkaline Battery within the last 5 (five) years from the date of tender opening in the following format (The supply record covering at least 25% of the total offered amount/ tendered quantity in a single contract will be considered only): Sl. No Name, Address, Phone No. & Fax No. of the Purchaser Contract No. & Date Contract Value Description of material with Quantity Date of completion of supply 4) Satisfactory Performance Certificates (SPC) from at least 2 (two) Electricity Utility for offered Model/ Type Nickel Cadmium Alkaline Battery at least 3(three) years operation within the last 5 (five) years from the date of opening. 5) Type Test Reports of offered Model/ Type of Internationally reputed Independent testing laboratory as 110V DC Substation Nickel Cadmium Alkaline Battery otherwise the bid will be rejected. 6) Outline and General Arrangement drawings of the offered type Nickel Cadmium Alkaline Battery. 7.9 TEST REPORTS: Test certificate along with test results for offered Model/Type 110V DC Substation Nickel Cadmium Alkaline Battery in accordance with the Latest version of IEC for Battery, which are issued by an approved, internationally acknowledged, reputable independent testing laboratory or Institute by confirming design to the tender document shall be submitted with the offer, otherwise the bid will be rejected APPROVAL OF DRAWINGS & SPECIFICATIONS: Design & Drawing, Specification, Features & Accessories, Guaranteed Technical Particulars (GTP) and Manufacturer s Printed Catalogue describing specification and technical data of offered Model/Type 110V DC Substation Nickel Cadmium Alkaline Battery shall be submitted to the Engineer, Director, Design & Inspection II, BPDB by the Bidder for approval, prior to the manufacturing of the goods. The Bidder shall have to submit 3 (three) sets of the same for approval within 15 days from the date of signing the Contract.

6 7.11 TESTS AT MANUFACTURERS WORKS General Functional electrical, material, mechanical and hydraulic tests shall be carried out at manufacturers premises. The extent and method of recording the results shall be agreed by the Purchaser in ample time to enable the tests to be satisfactorily witnessed or to make any changes to the proposed program of tests. Material Tests The supplier shall provide test pieces free of charge as required to enable the quality of the material to be determined at the supplier s expense. Purchaser may at its own discretion and by specific arrangement accept certified particulars of tests carried out in the absence of his authorized representative. Type Test Type tests are required to prove the general design of the offered equipments/ materials. The Tenderer shall submit the type test reports of the offered equipments/ materials from internationally reputed independent testing laboratory as per latest version of relevant IEC/ BS or equivalent international standards as mentioned in the contract. Routine Tests All equipments/ materials shall be subjected to routine tests as per latest version of relevant IEC/ BS or equivalent international standards as mentioned in the contract at the manufacturers works and shall include, but not be limited to, an operational test Technical Orientation and Quality Test Witness: The Purchaser shall have the right to inspect/test the goods/materials to confirm their conformity to the specification. The purchaser shall be entitled at all reasonable time during manufacture to inspect, examine and test of goods/materials at the manufacturers premises, workmanship and performance. The Routine test shall be carried out as per latest version of relevant IEC/ BS or equivalent international standards as mentioned in the tender at the manufacturer premises or other places where the test facilities are available. The Supplier shall, after consulting the purchaser, give notice to the Purchaser in writing of the date and the place where the material or equipment will be ready for testing. When the purchaser intends to attend the test he shall promptly inform the supplier accordingly in writing, so that he can take action. The purchaser shall give the supplier timely notice in writing of his intention to attend the test. Where the supplier provides for tests on the premises of the supplier or of any manufacturer of the supplier, except where otherwise specified, shall provide free of charge such assistance, labor, materials, electricity, fuel, stores, apparatus and instruments as may be requisite and as may be reasonably demanded to carry out such test efficiently. These tests shall be performed as per latest version of relevant IEC/ BS or equivalent international standards as mentioned in the contract and only routine tests as agreed upon, will be performed. As and when the purchaser is satisfied that any materials/ equipments shall have passes the tests referred to in this clause, purchaser shall notify the contractor in writing to that effect. Should any inspected/ tested goods fail to conform to the specification, the Purchaser shall have the right to reject any of the items or complete batch if necessary. In that case Supplier has to replace the equipment and to make good of them and the supplier shall conduct similar predelivery Inspection and factory tests without any financial involvement to the purchaser. In case any of the Equipment found not conforming to the specification at the time of post landing

7 Inspection, the supplier will in no way be relieved from the responsibility of replacing them on making them good at their own cost, despite the Equipment were found good at the time of Factory Acceptance Test. Nothing in this clause shall in any way release the supplier from any warranty or other obligations under the contract. If the offered goods are manufactured outside the purchaser s country BPDB s Inspection Team of at least 03 (Three) Engineers shall have to conduct Technical Orientation and Quality Test Witness at the manufacturer s factory premises. The cost incurred for this purpose shall be borne by the contractor and shall be deemed the cost in this regard is included in the offered price. The cost of Air Tickets (both way) from Bangladesh to Manufacturer s Country (place of Technical Orientation and Quality Test Witness), Hotel Accommodation etc. will be borne by the contractor. Other than this the contractor will pay a standard amount of pocket money per day (Min. 100USD) (Excluding journey period). The period for this purpose is more or less 07 (Seven) days. All the cost of this purpose shall be deemed is included in the offered price. No goods shall be packed, prepared for shipment/delivery unless it has been approved and written instructions have been received from the Purchaser Post-Landing Inspection and Testing : The Supplier shall inform the purchaser immediately after arrival of the goods at the designated store of BPDB (as per delivery schedule). An Inspection team of BPDB shall perform the postlanding inspection in presence of supplier's representative. The Supplier shall arrange the program of post-landing inspection. Any defect or damage have been found at post-landing inspection, the defective or damaged materials/ goods to be replaced by the supplier at his own cost within the stipulated time. The purchaser s right to inspect, test (where necessary) and reject the goods after delivery at the designated store of BPDB shall in no way be limited or waived by reason of the goods having previously been inspected, tested and passed by the purchaser prior to the good's delivery. The Inspection team will check the physical conditions and quantity of the goods delivered. If necessary, the inspection team will select the sample of good(s) and sent the selected sample goods to CERS, BPDB or BUET/ CUET/ KUET /RUET/DUET (as selected by the inspection team) to carryout the test(s) as per contract to confirm the conformity to the approved Technical Specifications, Guaranteed Technical Particulars (GTP), drawings and relevant standards. If the tested sample(s) fail to confirm the specifications in tests, the full consignment will be rejected. All cost of testing of Materials/ Goods including carrying, loading, un-loading etc. will be borne by the supplier SPARE PARTS With the tender the manufacturers shall supply list of recommended spare parts for 5 years operation and maintenance with unit price quoted for each item, which shall be valid for a period of 2 years from the date of signing contract.

8 Section - 8 GUARANTEED TECHNICAL DATA SCHEDULE OF 110V DC Substation Nickel Cadmium Alkaline Battery

9 TECHNICAL PARTICULARS & GUARANTEES OF 110V DC SUB-STATION Nickel Cadmium Alkaline BATTERY (To be filled up by the Manufacturer, otherwise the bid shall not be considered for evaluation) Sl. No. Description Unit BPDB's Requirement 1. Manufacturer s name & country - To be mentioned 2. Manufacturer s model no. - To be mentioned 3. Type - Nickel Cadmium Alkaline (enclosed type) 4. Operating Voltage V DC Continuous Discharge Current at rate of Amp hour & Final Cell Voltage 1.1 Volt 6. Short Time Discharge Current at rate of Amp 50 2 hour & Final Cell Voltage 1.1 Volt 7. Electrolyte type - To be mentioned 8. Capacity at 10 hour rate AH Discharge Voltage Volt 1.3 Per Cell 10. Charging Voltage (Normal) Volt 1.6 Per Cell 11. Number of cells Nos. 92 nos. + 5 nos. Spare 12. Voltage per cell V Charging Voltage (Maximum) Volt 1.75 Per Cell 14. Normal float charge rate A To be mentioned 15. Maximum boost charge rate A To be mentioned 16. Amp hour efficiency at : a) 10 hour rate b) 1 hour rate % % To be mentioned To be mentioned 17. Size of cell mm To be mentioned 18. Weight of cell and electrolyte kg To be mentioned 19. Standard - As per Latest Edition of applicable IEC Manufacturer' s guaranteed Particulars Seal & Signature of the Manufacturer Seal & Signature of the Bidder

10 8.2 SCHEDULE OF MANUFACTURER S NAME AND PLACES OF MANUFACTURER & TESTING Item No. Description V DC Nickel Cadmium Alkaline Battery Manufacturer's Name Place of Manufacturer Place of Testing & Inspection Seal & Signature of the Bidder

11 8.3 SCHEDULE OF PROPOSED STANDARDS SHALL BE PROVIDED The Bidder shall indicate the Standard to which the equipments offered by him conforms to. Should these standards differ from the specified Standard in any respect the Bidder shall detail the difference between the proposed and specified Standard. Item No. Description V DC Nickel Cadmium Alkaline Battery Standard Seal & Signature of the Bidder

12 Section - 9 DRAWINGS To be submitted by the Bidder