HINDALCO INDUSTRIES LIMITED (UNIT BIRLA COPPER)
P.O. Dahej Dist. Bharuch Gujarat 392130 India
1000 TPD COPPER CONTAINING SMELTER SLAG BENEFICIATION PLANT AT DAHEJ, GUJARAT
TECHNICAL SPECIFICATION FOR
BATTERY & BATTERY CHARGER SPECIFICATION NO. K8L06-DOC-E-330-SP-0009
September, 2008
DEVELOPMENT CONSULTANTS PRIVATE LIMITED CONSULTING ENGINEERS 24 B PARK STREET
KOLKATA 700 016
Page 0 of 50
1000 TPD COPPER CONTAINING SMELTER SLAG BENEFICIATION PLANT AT DAHEJ, GUJARAT
SPECIFICATION NO. K8L06-DOC-E-330-SP-0009 FOR BATTERY & BATTERY CHARGER INDEX
SECTION
DESCRIPTION
PART - A
PART – B
I.
NOTICE INVITING TENDER
II.
INSTRUCTION IN CONNECTION WITH SUBMISSION OF TENDERS
III.
TECHNICAL SPECIFICATION
IV.
PROPOSAL EXHIBIT SHEETS
PRICE SCHEDULE
Page 1 of 50
PART - A SECTION - I NOTICE INVITING TENDER For and on behalf of Managing Director, Hindalco Industries Ltd, Dahej sealed tenders are invited from approved agencies for carrying out design, engineering, manufacture, supply, supervision(optional) during erection, testing & commissioning of Battery & Battery Charger for the 1000 TPD copper containing smelter slag beneficiation plant located at Dahej, Distt. Bharuch, Gujarat. Details 1.
Reference No. of Tender
:
K8L06-DOC-E-330-SP-0009
2.
Nature of Work
:
Design, manufacture, supply, Supervision (optional) during installation, testing, trial run & commissioning of Battery & Battery Charger.
3.
Last date of receipt of filled-up Tender Document
:
__________________________. Hindalco Industries Limited (Unit Birla Copper) P.O. Dahej, Dist. Bharuch, Gujarat 392130
4.
Office where tender is to be submitted.
:
5.
Validity of Tender
: _____ weeks from the last date of submission.
6.
Delivery period
: _____ weeks from the date of placement of order.
Managing Director Hindalco Industries Limited (Unit Birla Copper). Dahej
*****
Page 2 of 50
SECTION II INSTRUCTION IN CONNECTION WITH SUBMISSION OF TENDERS 1. The tender documents are divided into two parts, namely Part-A and Part-B. Part-A, Technical and Commercial part, comprises the followings: a.
Notice inviting tender
b.
Instruction in connection with submission of tenders
c.
Technical specification
d.
Proposal exhibit sheets
Part-B, Price part, comprises the “Price break up” and the “Summary of Prices”. Both to be duly filled in by the Tenderer. 2. It will be presumed that the tenderer has carefully examined the terms and conditions, as contained in the tender documents, thoroughly and carefully, and fully acquainted himself with all the details of the site, location, materials, weather characteristics, labour conditions and all other information and data pertaining to and needed for the work. 3. The tendered rates should be typed or written by hand in English in the price schedules in the tender documents in ink, both in words and figures. The amount against the respective items of work should be calculated and totaled on each page and grand totaled on last page. 4. The rates should be written in Rupees and Paisa only. 5. The tenderer should quote his rates only for those items of work against which quantities have been furnished in the price schedules. 6. All pages of the Tender documents including addenda/corrigenda, if any, should be initialed at the lower left hand corner. The tender document shall be signed by the tenderer. In the event of the tender being submitted by a firm, it must be signed by each partner thereof, and in the absence of any partner, it shall be signed on his behalf by a person, holding the power of attorney from the absenting partner, authorizing him to do so. 7. No alterations or modifications should be made in the contents of the tender document except filling up the rates to be quoted in the tender document Part-B. Any tender that is not accompanied with the complete set of tender documents, and/or which does not include rates of all the items price schedules shall be considered incomplete and shall be rejected. 8. HIL/DCPL reserves the right to extend the date for submission of tenders. HIL/DCPL also reserves the right to revise and/or amend the tender documents, prior to the date notified for the receipt of price bids or the extended date for the same, as the case may be. Such revision, amendments or extensions, if any, shall be intimated to the tenderers in the form of addenda, letters, fax or e-mails, as may be considered suitable. 9. On receipt of tender documents, the same will be opened by HIL. HIL does not bind itself to accept the lowest or any tender and will not assign any reason for the rejection of any or all tenders. Also HIL reserves their right to negotiate with the lowest or any other tenderer. 10. Tenders are to be submitted in sealed envelopes, both for Part A and Part B. Any open offer received will be rejected. Also any offer received after the due date is likely to be rejected. 11. Any further information required in connection with this tender can be obtained on any working day, during office hours from: The Project Manager Hindalco Industries Limited (Unit Birla Copper), Page 3 of 50
Dahej. SECTION III TECHNICAL SPECIFICATION
C ONTENTS
SECTION
DESCRIPTION
PAGE NO.
1.00.00
INTENT OF SPECIFICATION
5
2.00.00
SCOPE OF WORK
5
3.00.00
GENERAL REQUIREMENTS
6
4.00.00
SITE CONDITIONS
9
5.00.00
DESIGN CRITERIA
9
6.00.00
SPECIFIC REQUIREMENTS
11
7.00.00
SURFACE PREPARATION & PAINTING
19
8.00.00
TESTS
19
9.00.00
SPECIAL TOOLS & TACKLES
21
10.00.00
SPARES
21
11.00.00
DRAWINGS, DATA & MANUALS
21
ATTACHMENTS ANNEXURE - A
RATINGS AND REQUIREMENTS
24
ANNEXURE - B
FITTINGS & ACCESSORIES
26
ANNEXURE - C
LIST OF ALARMS & INDICATIONS
27
ANNEXURE - D
MANDATORY SPARES
28
Page 4 of 50
BATTERY CHARGER & BATTERY 1.00.00
INTENT OF SPECIFICATION
1.01.00
This specification is intended to cover the design, manufacture, assembly, testing at manufacturer's works, supply & delivery, properly packed for transport to site of Battery & Battery Charger, complete with all accessories for efficient and trouble-free operation.
1.02.00
The scope of work shall also include, at the option of the Owner/Purchaser, the supervision of erection, testing, commissioning and putting into successful commercial operation of all equipment furnished under this specification.
1.03.00
The work is subject to all the terms and conditions detailed in the documents listed below, which shall form part of this specification as if bound together. a.
Tender Notice
b.
Instruction to Bidders
1.04.00
In the event of any discrepancy with listed documents, the stipulation of this specification shall govern.
2.00.00
SCOPE OF WORK
2.01.00
Scope of Supply Type, rating and connections of the equipment listed below are detailed in the subsequent clauses of the specification & annexures. The equipment shall be offered in strict compliance with the same.
2.01.01
One set each of the followings shall be supplied:a)
100AH, 110V Battery of type Plante´
:
One (1) set.
b)
Battery Charger Panel-Board comprising Float charger, Float-cum-Boost charger & DCDB with 8 x 6A DP MCB O/G feeders
:
One (1) No.
2.01.02
Each set of battery and battery charger shall be supplied complete with fittings and accessories as per list annexed.
2.01.03
Base channel frame, floor channel sill, and kick plates for all floor-mounted charger panels, complete with holding down bolts and nuts.
2.01.04
One set of special tools and tackles
2.01.05
Mandatory Spare parts
2.01.06
Recommended spare parts for two (2) years operation Page 5 of 50
2.01.07
All relevant drawings, data and instruction manuals.
2.02.00
Scope of Services The services of a senior engineer, experienced in the erection and commissioning of the equipment of similar type and rating on per diem basis. The work includes but not limited to:-
2.02.01
Complete checking of materials at site and advising the Owner/Purchaser any discrepancy thereof.
2.02.02
To ensure proper storage of equipment (detailed storage instruction shall be furnished to the purchaser well in advance of dispatch of equipment)
2.02.03
Advice on procedure of erection to be followed.
2.02.04
Regular supervision and following up of erection work done by others.
2.02.05
Testing, commissioning and putting the equipment into successful commercial operation.
2.03.00
Exclusion from Scope of Work
2.03.01
All concrete foundation works.
2.03.02
Labor and equipment for unloading and installation.
2.03.03
Power & control cables for connection with equipment supplied by others.
3.00.00
GENERAL REQUIREMENTS
3.01.00
Codes and Standards
3.01.01
All equipment and materials shall be designed, manufactured and tested in accordance with the latest applicable Indian Standards (IS) and IEC except where modified and/or supplemented by this specification.
3.01.02
Equipment and material conforming to any other standard which ensures equal or better quality, may be accepted. In such case, copies of the English version of the standard adopted shall be submitted along with the bid.
3.01.03
The electrical installation shall meet the requirements of Indian Electricity Rules as amended up to date and relevant IS Codes of Practice. In addition, other rules and regulations applicable to the work shall be followed.
3.02.00
Drawings & Annexures
3.02.01
All annexures appended to this specification shall form part of this specification and supplement the requirements specified herein.
3.02.02
This specification shall be read and construed in conjunction with the annexures to determine the scope of work and terminal points. Page 6 of 50
3.02.03
The quantities shown on annexures are tentative for bidding purpose only. Any variation arising during detailed engineering stage shall be taken into account for adjustment of contract price based on unit rates quoted in the bid.
3.03.00
Completeness of Supply
3.03.01
It is not the intent to specify completely herein all details of the equipment. Nevertheless, the equipment shall be complete and operative in all aspects and shall conform to highest standard of engineering, design and workmanship.
3.03.02
Any material or accessory which may not have been specifically mentioned but which is necessary or usual for satisfactory and trouble-free operation and maintenance of the equipment shall be furnished without any extra charge.
3.03.03
The supplier shall supply all brand new equipment and accessories as specified herein with such modification and alteration as agreed upon in writing after mutual discussion.
3.03.04
‘Make’ of brought-out items are subject to Owner/Purchaser’s approval. The contractor shall furnish relevant details to the Owner/Purchaser for his concurrence before procurement.
3.04.00
Proposal Data The proposal data (exhibit) sheets annexed to this document shall be filled in without any ambiguity by typing in appropriate place on each page. These pages must be properly signed by authorized representative of the Bidder as verification of the data and submitted along with the bid to form part of the bidder's formal proposal.
3.05.00
Guaranteed Performance The performance figures quoted in ‘Proposal Exhibit’ sheets shall be guaranteed within the tolerance permitted by relevant standards. In case of failure of the equipment to meet the guarantee, the equipment may be liable for rejection.
3.06.00
Deviation
3.06.01
Should the Bidder wish to deviate from this specification in any way, he shall draw specific attention to such deviation.
3.06.02
All such deviations shall be clearly mentioned on the Deviation sheet format enclosed, with reference to the respective clause of the specification.
3.06.03
Unless such deviations are recorded in the deviation sheets and submitted with the offer, it shall be taken for granted that the offer is made in conformity to this specification in all respects.
3.07.00
Drawing Approval
3.07.01
Before starting manufacture of any equipment, the supplier shall have to take approval of relevant drawings and data from purchaser in writing.
Page 7 of 50
3.07.02
Any manufacture done prior to the approval of drawings/data shall be rectified in accordance with the approved drawings/data by the supplier at his own cost and the equipment shall be supplied within the stipulated period.
3.08.00
Experience & Qualifying Requirement
3.08.01
Necessary information about the financial and technical resources, organization and experience to undertake the manufacturing and supply of such equipment shall be supplied by the Bidder as an evidence of his capability for satisfaction of the Owner/Purchaser.
3.08.02
The Bidder shall submit along with his bid a list of major contracts for supply of similar equipment executed/being executed by him during last 5 years giving detailed particulars such as quantity, equipment rating, contract value, name of the Owner/Purchaser, year of commissioning etc.
3.08.03
The bidder shall submit the documentary evidence that equipment of similar rating has been manufactured by him and are in successful operation for more than two (2) years in two or more projects of similar nature on the date set for opening of the bid.
3.08.04
Not withstanding anything stated above, the Owner/Purchaser reserves the right to assess bidder’s financial and other capabilities to execute the contract.
3.09.00
Quality Assurance
3.09.01
The Contractor shall follow his standard procedures for quality assurance and control. A copy of the said standard procedures shall be submitted to the Owner/Purchaser for his reference. However, Owner/Purchaser reserves the right to review the same and give his observations, if any, for compliance.
3.09.02
The procedures shall be in such a form as to clearly delineate the manufacturing sequence, inspection points, tests and test procedures, acceptable ranges / values, reference drawings etc.
3.09.03
The Owner/Purchaser shall inform the Contractor as to which of the inspection points and tests shall be witnessed. As a minimum, inspection and testing of the finished equipment shall be made prior to shipment, unless specifically waived by the Owner/Purchaser. The contractor shall give at least seven (7) days advance notice regarding readiness of the equipment.
3.09.04
Manufacturing and quality control procedures shall be available for audit to the Owner/Purchaser and/or its representative at the place of manufacture.
3.09.05
The Owner/Purchaser reserves the right to inspect the equipment at the point of manufacture and witness factory and other such tests as may be necessary to ensure conformance to the specification.
3.09.06
The Owner/Purchaser may inspect the contractor's facilities prior to award of contract.
3.09.07
The Owner/Purchaser may witness any or all of the tests stipulated in the relevant standards and this specification.
3.09.08
The Owner/Purchaser may conduct surveillance of the Contractor's facilities for compliance to his standard procedures of Quality Assurance and Quality Control while work on the specified equipment is in progress. Page 8 of 50
3.10.00
Packing for Shipment
3.10.01
The equipment complete with its fittings & accessories, spares, special tools and tackles shall be suitably protected by respective packing for shipment considering handling during transit, distance and weather conditions involved. The Contractor shall submit the packaging method for shipment to be adopted by him, if so desired by the Owner/Purchaser.
3.10.02
Each consignment shall be marked with Equipment name, Owner/Purchaser’s name & address, Project details, handling instruction etc. It shall be completed with part list and identification details. The copies of the part list of each consignment shall also be furnished to the Owner/Purchaser after dispatch.
3.10.03
Eqpt. shall be packaged for transportation so as to meet the space and weight limitation of transport facilities. The contractor shall obtain approval from concerned authorities for transportation of over dimensioned consignment/ package, if any, before starting manufacture of such equipment.
4.00.00 4.01.00
SITE CONDITIONS Location The plant site is located at Dahej, Dist. Bharuch, Gujarat. Site accessibility from nearby important places are as below: a) Nearest village ( Dahej ) 00 Km b) Railway station ( Bharuch ) 45 Km c) Airport ( Baroda ) 75Km
4.02.00
5.00.00
Site ambient conditions: a) Annual Rainfall b) Maximum temperature c) Minimum temperature d) Relative humidity e) Site elevation f) pH of the soil g) Wind speed h) Wind direction
: : : : : : : :
550 to 700mm 42ºC during summer 8ºC during winter 60%(dryseason)&90%(monsoon) 10 to 11m 7.7 to 8.4 90 -150 Km./h South – West
DESIGN CRITERIA
5.01.00
Design Basis
5.01.01
DC system shall provide reliable sources of DC power supply for control, indication, protection and annunciation of plant equipment.
5.01.02
The battery shall be sized to meet emergency load duty cycle requirements. Page 9 of 50
5.01.03
The procedure for estimating battery capacities shall be as per guide-lines stipulated in latest revision of IEEE Std. 485. Derating factor for prolonged float charging shall be duly taken into account , as applicable, in estimating battery capacity. While estimating battery capacities, ageing margin as per relevant standard, temperature correction factor as per manufacturer’s standard and a design margin of 20% shall be considered.
5.01.04
The battery and charger combination shall be such as to ensure continuity of DC supply at load terminals at all times without even momentary interruption.
5.01.05
Further the voltage at Battery terminals shall not exceed the limits of + 10% and - 15% of the nominal system voltage at any time during the duty cycle.
5.01.06
For continuous operation at specified ratings, temperature rise of the various components of battery & battery charger shall be limited to the permissible values stipulated in the relevant standards and/or this specification.
5.01.07
The equipment will be installed indoor in a clean but hot, humid and tropical atmosphere.
5.01.08
The battery and battery charger capacity given in this specification and its annexure are indicative only. The bidders shall check the capacity and ratings based on the duty cycle requirement and other design stipulations and submit the offer accordingly. Sizing calculations along with relevant supporting document regarding selection of different factors shall be furnished with the bids.
5.01.09
The float charger shall be sized to carry the total DC continuous load and the trickle charging current of the battery plus a 25% margin.. The charger shall also be capable of delivering the rated load under the specified voltage and frequency variations of incoming AC supply
5.01.10
The float-cum-boost charger shall be sized to restore the fully discharged battery to full charged condition in ten (10) hours with 25% margin over maximum charging rate or to operate as a float charger with duty requirement, whichever is greater.
5.02.00
System Concept
5.02.01
The basic system configuration is as elaborated in this specification.
5.02.02
The battery charger shall be capable of providing the initial charging (first charge) current as required for the battery.
5.02.03
The Float Charger (FC) will be normally ON, supplying the DC load current and at the same time trickle charging the battery. The characteristics shall be such that if load is high and exceeds the charger capacity, the excess load shall be supplied by the battery.
5.02.04
The Float-cum-Boost charger will be normally in stand-by (Auto Float/ Charge) mode and will cut into the circuit automaticallya) To provide occasional equalizing charge as required. Page 10 of 50
b) To take over the functions of float charger in case of its failure. c) To operate in boost mode when battery voltage drops below a set value. 5.02.05
The float-cum-boost charger shall also have provision for float, equalizing and boost charging the battery through manual selection.
5.02.06
On failure of A.C. supply both float and float-cum-boost chargers will go out of service and battery will take over to supply loads without any interruption.
5.02.07
If float charger fails, it will be annunciated in the control room and stand-by float charger of the float cum boost charger will have to cut into the circuit automatically.
5.02.08
Output of the chargers shall be controlled automatically as well as manually. AUTO/MANUAL selector switch along with voltage/current setter shall be provided for this purpose.
5.02.09
Interlock shall be provided to ensure that the battery can be taken to boost mode only if the float charger is healthy and running. Suitable defeating arrangement shall also be provided for initial charging of the battery.
5.02.10
For ungrounded DC system, suitable ground fault detection system shall be provided in the battery charger panel to detect ground fault on either polarity for annunciation in charger panel.
6.00.00
SPECIFIC REQUIREMENT
6.01.00
Layout
6.01.01
The battery and battery charger will be located indoors.
6.01.02
The Bidder shall propose his own layout to suit the space available.
6.01.03
While proposing the battery room layout, Bidder shall consider the following: a) Sufficient clearance space for attending individual cells. b) Sufficient clear space to accommodate a battery of identical capacity in future.
6.01.04
The Bidder shall also indicate his recommendation for battery room ventilation.
6.02.00
Battery
6.02.01
General a. Each set of battery shall consist of number of cells assembled together on mounting racks. b. The battery shall be flooded cell with Plante' type. c. The plates shall be designed for maximum durability during all service conditions including high rate of discharge and rapid fluctuation of load.
Page 11 of 50
6.02.02
Construction a. Cell container shall be made of heat & electrolyte resistant, shock absorbing, tough translucent, polypropylene or equivalent plastic material having chemical and electrochemical compatibility. The cell shall be mechanically sturdy. b. The cell shall be provided with visual electrolyte level checks for ease in of maintenance. Electrolyte level markings shall be for upper and lower limits. c. Sufficient sediment space shall be provided so that the cells will not have to be cleaned out during normal life. d. Separator between plates shall permit free flow of electrolyte. Proper arrangement to keep end plates in position shall be furnished. e. Open type cells shall be provided with suitable spray arrestors and separate perforated transparent plastic covers. f.
For flooded cell, suitable mechanism and / or Ceramic Vent plug shall be provided to eliminate emission of acid mist during the float operation. The bidder shall also indicate the Gas emission rate of the battery in their offer for necessary design of the ventilation of the Battery Room.
g. The cells shall be supported on insulators fixed on to the rack with adequate clearance between adjacent cells. h. The cell terminals posts shall be provided with connector bolts and nuts, made of copper/ brass effectively coated with lead (for lead acid battery) to prevent corrosion. i.
Lead coated copper connectors (for lead acid battery) shall be furnished to connect up cells of battery set.
j.
Positive and Negative terminal posts shall be clearly and indelibly marked for easy identification.
k. Bent copper plates, tubular copper lugs, teakwood clamp, bolts, nuts, washers, etc. shall be furnished for connection of outgoing Aluminum conductor cables. l.
6.02.03
The battery shall be shipped uncharged for flooded cell with the electrolyte furnished in a separate non-returnable container. 10% extra electrolyte shall be furnished to cover spillage in transit or during erection.
Battery Racks Battery racks for supporting battery cells shall be constructed of best quality teakwood ( for lead acid battery), forming a rigid structure. Racks shall be painted with at least three (3) coats of electrolyte-resistant paint of approved shade. Racks shall be free standing type, mounted on porcelain/ electrolyte –resistant high impact plastic insulators. Numbering tags for each cell shall be attached on to the racks. Page 12 of 50
6.03.00
Battery Charger
6.03.01
General a.
The charger shall be natural air cooled, solid-state type with full wave, fully controlled, bridge configurations.
b.
The charger shall be provided with microprocessor based automatic voltage control, current limiting circuitry, smoothing filter circuit and soft-start feature, under/ over voltage protection and earth fault detection.
c.
Voltage / current control shall be stepless, smooth and continuous. Voltage control shall be possible either in “Auto “ mode or in “ Manual” mode. An “auto- Manual” selector switch shall be provided for this purpose.
d.
The charger shall be self-protecting against all AC and DC transients and steady state abnormal currents and voltages.
e.
Charger AC input and DC output shall be electrically isolated from each other and also from panel ground.
f.
Isolation shall also be provided between power and control circuits.
g.
The battery charger-set shall be provided with one(1) no. voltage transducer and one(1) no. current transducer for monitoring the DC output. These transducers shall have twin-channel output of 4-20mA and will be used for analog inputs to PLC.
h.
Radio frequency suppressor/screening shall be provided with the charger to limit the noise level/interference to radio and other communication equipment to be installed in the same building.
i.
6.03.02
The design of the equipment will be such that during the period both trickle charger unit and boost charger units are working independently , the tap connection from various taps of the battery cell to the load circuit should not involve any circulating current. Construction a.
The charger shall comprise a continuous line up of free-standing, floor mounted sheet steel panels, with access both from front as well as from rear.
b.
In between float and float-cum-boost charger panels, a central panel shall be provided. This panel shall house the battery terminals, load terminals, DC distribution battery blocking diodes, meters, annunciator and indicating lamps.
c.
The panel shall conform to the degree of protection IP 42. Minimum thickness of sheet metal used shall be 2 mm for load bearing members.
d.
Access doors shall be with concealed hinges and neoprene gaskets. Ventilating louvers shall be covered with fine wire mesh. Door over 600 mm width shall be of double-leaf design. Page 13 of 50
6.03.03
e.
All equipment within the panels shall be arranged in modular units and laid out with sufficient space for easy maintenance.
f.
All indicating instruments, control switches etc. shall be flush mounted on the front face of the panels. However potentiometer shall be provided inside the panel. Nameplates of approved size and type shall be provided for all circuits and devices both at front & inside of the panel.
g.
All bus bar and bus connections shall be of high conductivity copper and adequately sized to limit the maximum temperature within the permitted value. All bus connection shall be silver plated.
h.
Heat –shrinkable insulating sleeves shall be provided for bus bars. All bus connections shall be color coded for easy identification.
i.
Bus bars shall be supported and braced to withstand the stress due to maximum short circuit current and also to take care of any thermal expansion.
Charger Equipment a.
All power diode and control rectifiers shall be silicon type. Rectifier transformer shall be resin impregnated in vacuum , dry type, double wound with copper conductor and class-F insulated with temperature rise limited to class- B having off-circuit tap ±2X2.5% on primary side. LC filter suppressor shall be provided in the output to minimize ripple content and to keep the value within the specified limit
b.
The diode and bridge elements shall be liberally sized for forward current, minimum momentary overloads and voltage spikes. The current and peak inverse voltage (PIV) should be chosen accordingly. Wherever necessary, power semiconductor device shall be provided with over current and over temperature protection by using special fuses. Blocking diodes shall be fully rated and shall have redundancy so that failure of a single diode shall not incapacitate the system in any way.
c.
Isolating switches shall be heavy duty, load break type, operated by an external handle with provision for padlocking in ON and OFF position.
d.
AC Changeover switch shall be 3 position, 4 pole, load break type with 2 NO + 2 NC auxiliary contacts. The switch shall be installed in such a manner that the operating handle shall be accessible only after opening the front door.
e.
Double pole, double throw DC switch shall be load break type with 2 NO + 2 NC auxiliary contacts.
f.
Control switches shall be dust protected, heavy duty, switchboard type complete with escutcheon plates. Contacts shall be silver plated, rated 10A at operating voltage. Page 14 of 50
Selector switch shall be maintained contact, lockable stay-put type with knob handle. Meter selector switch shall be four-position type. Ground fault detection switch shall be three-position type spring return to neutral.
6.03.04
g.
Push button shall be heavy duty, shrouded, push to actuate type with colored button and inscription plate. Each push button shall have 2 NO + 2 NC contacts, rated 10A at 240V AC and 0.5A at 220V DC.
h.
Contactor shall be air-break type with hand reset type thermal overload relays having in built temperature compensator and single phase preventor.
i.
Fuses shall be HRC type and furnished complete with fuse bases and fittings of such design as to permit easy and safe replacement of fuse element. Semi conducting device fuses shall be fast-acting. All upstream fuses shall be properly coordinated with corresponding down stream fuses.
j.
Indicating lamps shall be clustered of LEDs suitable for the duty involved. The body shall be made of polycarbonate Unbreakable lens. LEDs shall be protected by inbuilt fuse with surge suppressor or leakage voltage glow protection.
k.
Meters shall be 96 x 96 mm switchboard type, 90 deg scale, antiglare glass, ± 1% accuracy with zero adjuster on the front.
l.
Transducers shall have twin-channel output of 4-20mA and shall be used to provide analog inputs to central control room.
m
Ground fault relay shall be provided to detect DC system ground.
n.
MCCB shall be provided to receive incoming AC supply.
o.
Charger shall be equipped with LCD display, so the system or particular module operation parameters can be locally or remotely viewed / monitored. Following parameters to be displayed:
Input AC voltage
Input AC current
Charging voltage
Charging current
Load voltage
Load current
Battery voltage
Battery current
Alarms Page 15 of 50
3.4.5
a.
Solid–state, audio visual annunciation system shall be provided for battery chargers. Annunciation system shall operate on 110V DC.
b.
One (1) minimum twelve-points alarm facia shall be provided on each float charger panel and float-cum-boost charger panel, complete with proper actuating devices, circuitry, legends, push buttons (Accept, Reset and Test) and hooter.
c.
The central panel shall be provided with one (1) minimum eight point alarm facia complete with proper actuating deices, circuitry, legends, push- buttons (Accept, Reset and Test) and hooter.
d.
The arrangement shall be such that on occurrence of a fault the corresponding window will light up and stays lighted until the fault is cleared and reset button is pressed.
e.
Each time a window lights up, a master relay will get energized to provide group alarm signals for Owner/Purchaser's remote panel.
f.
The requirements of indication/metering/alarms are given in the annexure.
g.
The alarm shall be compatible with PLC.
Meters Charger panel shall be provided with the following meters:
6.03.06
a.
Input voltmeter (0 – 500 V AC) with voltmeter selector switch.
b.
Output DC voltmeter at each charger output.
c.
Output DC voltmeter at battery output.
d.
Output DC ammeter at each charger output (0 – 150% of rated full load inverter output)
e.
Battery charging / discharging ammeter.
Transducers Each battery charger shall be provided with one (1) no. voltage transducer and one (1) no. current transducer for monitoring the DC output. Charger panel shall be provided with the following transducers:
6.03.07
a.
DC voltage transducer at each charger output.
b.
DC current transducer at each charger output.
c.
DC voltage transducer at battery output.
Controls Page 16 of 50
The following manual controls shall be provided on the front of each charger panel :-
6.03.08
a.
Charger ON/OFF push button.
b.
Selection of float or boost charge in case of float-cum-boost charger.
c.
Voltage setters for setting the output of float/ equalizing / boost charge. Setting shall be independent of each other so that setting of one voltage shall not require resetting other.
d.
Ground fault detection switch with indicating lamps.
e.
Current limit setter/ charging rate.
f.
Under/ over voltage relay including battery earth fault monitoring relay.
g.
Acknowledge-Reset-Test push buttons for annunciation system. The color of reset buttons shall be BLACK
Lamp/Space heaters/receptacles a.
b.
6.03.09
The charger panels shall be provided with :
Internal illumination lamp with door switch , the lamp shall be located in the celling and guarded with protective cage.
Space heater with thermostat control
3 pin 6A receptacle with plug
Communication plug.
Lamp, heater and receptacle circuits shall have individual ON-OFF switch fuse units/MCCBs and shall be suitable for 240V AC supply.
Wiring/Cabling a.
The panels shall be completely wired-up. All wiring shall be routed through wiring troughs.
b.
Wiring shall be done with flexible, 650V grade, PVC insulated switchboard wires with stranded copper conductors of 2.5 mm 2 for control and current circuits and 1.5 mm2 for voltage circuits.
c.
Each wire shall be identified, at both ends, with interlocking type permanent markers bearing wire numbers as per Bidder's Wiring Diagrams. AC / DC wiring shall have separate color-coding.
d.
Wire termination shall be made with crimping type connectors with insulating sleeves. Wires shall not be spliced between terminals.
Page 17 of 50
6.03.10
e.
All spare contacts of relays, timers, auxiliary switches and other devices shall be wired up to the terminal block.
f.
Gland plate shall be of 3 mm thick, non-magnetic material and suitable for single-phase cable entry from bottom. Cable terminal board with cable lugs and double compression cable glands shall be provided in each panel for termination of incoming and outgoing cable.
Terminal Block a.
650V grade, multi way terminal block complete with mounting channel, binding screws and washers for wire connections and marking strip for circuit identification shall be provided for terminating the panel wiring. Terminals shall be stud type, suitable for terminating 2 nos. 2.5 mm2 stranded copper conductor and provided with acrylic insulating cover.
b.
Not more than two wires shall be connected to any terminal. Spare terminals equal in number to 20% active terminals shall be furnished. Separate terminal blocks shall be used for AC/ DC wiring termination.
c.
Terminal blocks shall be located to allow easy access. Wiring shall be so arranged that individual wires of an external cable can be connected to consecutive terminals.
6.03.11Grounding
6.03.12
a.
The charger panels shall have fully rated ground bus with two ground terminals, one at each end.
b.
Each terminal shall comprise two-bolt drilling with G.I. bolts, nuts and bimetallic washers for connecting to 50x6 mm G.I. flat. Ground bus shall be bolted to the panel structures, effectively grounding the entire assembly. The cases of meters, relays and switching devices shall be grounded through sheet steel structure.
c.
Wherever, the schematic diagrams indicate a definite ground at the panel, a single wire for each circuit thus grounded shall be run independently to the ground bus and connected thereto.
Tropical protection a.
All equipment accessories and wiring shall have fungus protection, involving special treatment of insulation and metal against fungus, insects and corrosion.
b.
Screens of corrosion resistant material shall be furnished on all ventilating louvres to prevent the entrance of insects.
Page 18 of 50
6.03.13
Nameplate a.
Name plate shall be provided for each panel and for each equipment/device mounted on it.
b.
The material shall be anodized aluminum/ lamicoid, 3mm thick, with white letter on black background.
c.
Name plate shall be held by self-tapping screws. The size of name plates shall be approximately 20mm x 75mm for equipment and 40mm x 150mm for panels.
d.
Name plates for panels shall be provided both on the front, rear and also inside the panels.
e.
Control and meter selection switches shall have integral nameplates. Nameplates for all other devices shall be located below the respective devices both inside and outside the panel.
f.
Instrument and devices mounted on the face of the panels shall also be identified on the rear with the instrument / device number. The number may be painted on or adjacent to the instrument or device case.
g.
Caution notice of suitable metal plate shall be affixed at the back of each panel.
7.00.00
SURFACE PREPARATION & PAINTING
7.01.00
The sheet metal of the panels shall be thoroughly cleaned by chemical agents (7-tank process) as required to produce a smooth clean surface free of scales, grease and rust.
7.02.00
Both interior and exterior surfaces of the panels shall be powder coated and finished with two(2) coats of paints of approved shades..
7.03.00
The paint shall be carefully selected to withstand tropical heat, rain etc. The paint shall not scale off or crinkle or removed by abrasion due to normal handling.
7.04.00
Sufficient quantity of touch up paint shall be furnished for application after installation at site.
8.00.00
TESTS
8.01.00
All equipment and components thereof shall be subject to shop tests as per relevant IS standards. The tests shall included but not limited to :-
8.01.01
Following type tests on two cells of the battery shall be carried out by the Bidder, even if the Bidder submits type test certificates for Purchaser’s review and approval. a.
Discharge performance test at low temperature. Page 19 of 50
b.
Ampere-hour test & watt-hour efficiency test.
c.
Endurance test.
The cost of above tests, if any, shall be quoted separately. 8.01.02
Following minimum tests shall be performed on each battery charger. a.
Dielectric tests.
b.
Voltage regulation check from 0 to 100% load with ±10% input voltage variation.
c.
Ripple content measurement.
d.
Heat run test on current limiting value.
e.
Functional test.
8.01.02
All other routine tests shall be carried out on each equipment as per relevant standard.
8.02.00
Tests Witness
8.02.01
Tests shall be performed in presence of Purchaser’s representative, if so desired by the Purchaser.
8.02.02
The supplier shall give at least seven (7) days' advance notice of the date when the tests are to be carried out.
8.03.00
Test Certificates
8.03.01
Certified reports of all the tests carried out at the works shall be furnished in six (6) copies for approval of the Owner/Purchaser.
8.03.02
The equipment shall be dispatched from works only after receipt of Owner/Purchaser's written approval of the test reports.
8.03.03
Bidder shall submit type test reports for the type tests as per relevant standards on identical equipment in type and rating. Reports older than five (5) years shall not be acceptable. In case the type test reports are not submitted or the reports are not approved by the Purchaser, the Bidder shall conduct the type tests on the offered equipment at Bidder’s risk and cost within the schedule specified herein. No deviation in this regard is acceptable.
8.03.04
Routine test certificates for components like contactors, relays, instruments, SCR / PWM transistors, Diodes, Condenser, Potentiometer, semiconductors, push buttons etc. shall also be furnished for Purchaser’s review and approval.
9.00.00
SPECIAL TOOLS & TACKLES Page 20 of 50
9.01.00
A set of special tools & tackle which are necessary or convenient for erection, commissioning, maintenance and overhauling of the equipment shall be supplied.
9.02.00
The tools shall be shipped in separate containers, clearly marked with the name of the equipment for which they are intended.
10.00.00
SPARES
10.01.00
The Bidder shall submit a list of recommended spare parts for two (2) years satisfactory and trouble-free operation, indicating the itemized price of each item of the spares. The final quantity shall be decided during placement of order.
10.02.00
The Bidder shall quote and supply mandatory spare parts as per list annexed. The final quantity shall be decided during placement of order.
10.03.00
Each list shall be complete with specification, make, identification number, unit rate, quantity etc.
11.00.00
DRAWINGS, DATA & MANUALS
11.01.00
Drawings, Data and Manuals shall be submitted with the bid and in quantities and procedures as specified elsewhere in this specification for approval and subsequent distribution after the issue of Notice to Proceed.
11.02.00
To be submitted with the Bid
11.02.01
Proposal sheets duly filled in.
11.02.02
Dimensional Battery room layout drawing.
11.02.03
General Arrangement drawing of Charger panels.
11.02.04
Typical foundation plan.
11.02.05
Bill of material.
11.02.06
Battery cell voltage characteristics and data for different discharge rates.
11.02.07
Battery Sizing calculation in the format of IEEE-relevant standard.
11.02.08
Type test certificates as per requirement of this specification.
11.02.09
List of makes of various items / components shall be submitted for Purchaser’s approval.
11.02.10
Leaflets and brochures of different equipment and accessories including write up on features of different components along with data sheets, curves, tables etc.
Page 21 of 50
11.03.00
To be submitted for Purchaser’s Approval and Distribution (A) : ‘Approval Category’ (R) : ‘Reference Category’
11.03.01
Guaranteed technical particulars (A) and quality assurance plan (R)
11.03.02
Battery and Charger sizing calculation. (A)
11.03.03
Sizing calculation of charger main equipment, viz. SCRs, rectifier transformer etc. (A)
11.03.04
Fault current calculation for battery & battery charger. (A)
11.03.05
Dimensional battery layout drawings in plan & sections. (A)
11.03.06
Take-off terminals connection details. (A)
11.03.07
Dimensional general arrangement drawings of Battery charger clearly showing device dispositions, cable entry, space requirements etc. (A)
11.03.08
Charger foundation plan and loading. (A)
11.03.09
Sectional views of battery charger panels. (R)
11.03.10
Charger schematic diagram along with write-up. (A) and wiring diagrams with wire no., equipment / device no. etc (R)
11.03.11
Detailed bill of materials ( R)
11.03.12
Test reports. (A)
11.03.13
Transport / shipping details such as method of packaging, dimension & weight of package, part list etc. (R)
11.03.14
Any other relevant drawing or data necessary for satisfactory installation operation and maintenance. (R)
11.03.15
Instruction manuals on Battery & Battery Charger (R) The manual shall clearly indicate the salient features of each equipment, storage and installation method, operation and maintenance procedure, check–up and tests to be carried out before commissioning of the equipment and during maintenance.
11.04.00
The Bidder may note that the drawings, data and manuals listed are minimum requirement only. The Bidder shall ensure that all the necessary write-ups, curves and information required to fully describe the equipment offered are submitted with his bid.
Page 22 of 50
11.05.00
The drawings and document marked with (A) above are of ‘Approval’ category and are subject to review by Purchaser. Those marked (R) are for ‘reference’ category. The Purchaser may also review the documents marked (R) if found necessary. The Bidder shall note that the approval of drawings & documents by the Purchaser does not relieve him of his contractual obligation.
11.06.00
All drawings shall be prepared by using Auto CAD, approved version and documents shall be generated using MS Office. The paper copy of the drawings & document shall be submitted for approval & reference. All final drawings and documents shall be submitted in CD in Auto CAD (approved version) and MS office format as applicable for Purchaser’s future reference.
Page 23 of 50
ANNEXURE-A RATINGS & REQUIREMENTS 1.0
BATTERY
1.1
Application
:
1.2
Design Ambient temperature
:
a.
Maximum
:
45 oC
b.
Minimum
:
4 oC
Standby Power Supply
1.3
Type
:
Plante´
1.4
Nos. of Cells per Battery
:
55
1.5
Battery nominal voltage
:
110 V
1.6
Battery capacity at 27ºC
:
100 AH or more to suit duty cycle.
1.7
Proposed Method of working
:
a. Float charging (normal)
:
2.20 Volt / cell.
b. Equalising Charge (occasional)
:
2.33 Volt / cell.
c. Boost charging (after complete discharge)
:
2.75 Volt / cell (max'm.)
1.8
Intermediate tapping
:
As required by this specification.
1.9
Mounting
:
Wooden racks (Teakwood)
1.10
Terminal Connection
:
Through single core cables. Actual size of cable shall be informed to the successful bidder.
NOTE:
Items 1.4, 1.6 & 1.7– Bidder to justify with details, if his recommended values are different from the values specified in this specification.
Page 24 of 50
ANNEXURE-A
2.0
BATTERY CHARGER PANEL BOARD
2.1
Charger
:
Float charger & Float-cum-boost charger
2.2
Type
:
Solid-state, full wave, fully controlled with microprocessor based AVR, three-phase bridge, suitable for continuous duty application.
2.3
Enclosure
:
Sheet steel enclosure, IP-42.
2.4
A.C. Input
2.5
2.6
a.
Supply
:
415V, 3 phase, 50 Hz, 4 wire.
b.
Voltage variation
:
± 10%
c.
Frequency variation
:
± 3%
d.
Combined volt + frequency variation
:
10% (absolute sum)
e.
Short-circuit level
:
50 kA r.m.s. symmetrical.
f.
System earthing
:
Solidly earthed.
D.C. Output a.
Float charger
:
10A plus 25% margin. Output voltage adjustable between 115-120 V.
b.
Boost charger
:
Restoring fully discharged battery to full charge condition in 10 Hours, with 25% margin over maximum charging rate. O/p voltage adjustable : 260-285 V.
c.
DC Distribution
:
8 x 6Amp. (DC) DP MCB.
Performance Requirements a.
The output voltage of the charger shall be regulated within ± 1% of the set value for any load variation from 0 to 100% and A.C. input voltage and frequency variations as indicated above in sl. No. 2.4 above.
b.
The ripple content in charger DC output shall be limited to 1% (rms) with or without battery.
Page 25 of 50
ANNEXURE-B FITTINGS & ACCESSORIES 1.0
BATTERY
Each set of battery shall be equipped with fittings and accessories as listed below. 1
One battery log book.
2
Two copies of printed instruction sheet.
3
One no. cell testing voltmeter (3-0-3 volts) complete with leads.
4
One no. rubber syringe type hydrometer suitable for specific gravity reading.
5
Three nos. pocket thermometer.(Digital type)
6
One no. thermometer (0 to 100) with specific gravity correction scale.
7
One set cell bridging connector.
8
Two nos. each Electrolyte resistant plastic funnels and plastic jugs
9
Battery racks suitable for accommodating the cells coated with paint.
10
insulator (with 5% extra), rubber pad etc. for rack.
11
Two nos. plastic filling bottle for filling up.
12
One pair of spanners.
13
Requisite quantity of electrolyte with 10% extra in non-returnable containers.
14
Two pairs of rubber hand gloves.
15
Two nos. cell lifting straps.
16
One set of inter cell, inter tier and inter bank connectors as required for complete installation.
17
Self adhesive PVC stickers for cell numberings
18
Goggles.
NOTE:
Any other accessories if required for satisfactory operation of the complete battery system shall also be included in Bidder’s offer and to be supplied accordingly.
Page 26 of 50
ANNEXURE - C LIST OF ALARMS & AND INDICATIONS 1.0
Following list of alarm / annunciation shall be provided at each charger. a.
AC supply failure.
b.
Charger overload.
c.
SCR fuse blown.
d.
Filter fuse blown.
e.
DC output fuse blown.
f..
DC system under voltage.
g.
DC system over voltage.
h.
Battery earth fault.
2.0
Initiating contacts wired to two terminals at battery charger panel shall be provided for group annunciation “Battery Charger Trouble” of the events mentioned above, at central control room. Separate contacts shall be provided for “Battery earth fault” annunciation at central back-up panel.
3.0
Initiating contacts for all alarm points shall also have electrically separate spare set of contacts wired to the terminal block for future use.
4.0
All alarm contacts shall be rated 0.5A at 110V DC and 5 Amp. at 240V AC.
5.0
In addition to the alarm points mentioned above, any other alarm point, if required for battery charger, shall be provided.
6.0
Charger panel shall also have the following minimum indications: a.
Charger power supply ON (at all three phases)
b.
Charger DC output healthy.
c.
Control supply ON.
d.
DC supply healthy.
e.
Float / boost charger in operation (in float-cum-boost charger)
Page 27 of 50
ANNEXURE-D MANDATORY SPARE PARTS Following mandatory spares shall be provided. Sl No.
Description
Quantity
1.
AC contactor float charger
1 No.
2.
AC contactor float/boost charger
1 No.
3.
DC contactors
1 No.
4.
AC contactor coils
1 No.
5.
DC contactor coils
1 No.
6.
Push buttons
2 Nos.
7.
Indication LEDs
3 Nos.
8.
Output ammeters
1 No.
9.
Load ammeters
1 No.
10.
Battery ammeters
1No.
11.
Input voltmeters
1No.
12.
Output and load voltmeters
1No.
13.
Input ammeters (FC)
1 each type
14.
Input ammeters (FCBC)
1 each type
15.
Input fuses (FC)
2nos. for each changer
16.
Input fuses (FCBC)
2 Nos. for each changer
17.
Rectifier fuses (semi conductor)
3 Nos. for each changer
18.
Thermal O/L relays (FC)
1 each/rating
Page 28 of 50
ANNEXURE-D (contd.) Sl no.
Description
Quantity
19.
Output MCCB
1 each/rating
20.
Thyristors (FC)
2 sets each type
21.
Thyristors (FCBC)
2 sets each type
22.
Free wheeling diodes (FC)
2 sets each type
23.
Free wheeling diodes (FCBC)
2 sets each type
24.
Electronic cards used for different purposes
One each
Battery cells Spare : 25.
Spare cells
3 cells
26.
Intercell connectors
3Nos
27.
Inter-row connector
2sets
28.
Insulators
2Nos.
29.
Hexagonal studs + nuts
6 Nos.
30.
Vent plugs
4 Nos.
Page 29 of 50
SECTION - IV PROPOSAL EXHIBIT SHEETS CONTENTS Schedule No.
Description
I.
Key Information
II.
Batt./Charger Data Sheet
III.
List of spares(recommended)
IV.
List of special tools and tackles
V.
Deviations
VI.
Experience List
Page 30 of 50
SECTION-IV PROPOSAL EXHIBIT SHEETS
SCHEDULE - I KEY INFORMATION ABOUT THE PROPOSAL The Tenderer shall submit this proforma properly filled-in in a complete and unambiguous manner, failing which the tender will be liable to rejection. No cross-reference to any other part/page of the tender will be accepted. 1.
Name of the Tenderer
:
2.
Complete postal address,
:
3.
Telephone number Fax number E-mail address
: : :
4.
Name and Designation of the responsible officer of the tenderer.
:
5.
Proposal Number and Date
:
6.
Validity of the offer counted from the date of opening of the tenderer.
:
7.
Whether any alternative proposal furnished in addition to the base offer
:
yes/no
Whether all price Schedule sheets have been properly filled-up.
:
yes/no
Whether any deviation taken from the Technical specifications. If `yes’, then whether Clause no V. of this section has been properly filled-up covering all such deviations.
:
yes/no
Whether Bidder agrees to comply with the delivery requirement as stipulated in this specification.
:
yes/no
8. 9.
10.
Page 31 of 50
SCEDULE - II TECHNICAL PARTICULARS A.
BATTERY
1.0
General
:
1.1
Make
:
1.2
Cat No.
:
1.3
Type
:
1.4
Reference Standard
:
2.0
Rating
2.1
Rated Voltage
Volt
:
2.2
10-hour rating at 27oC to 1.85 Volt per cell
AH
:
2.3
1-hour discharge rate to 1.75 Volt per cell
Amp
:
2.4
1-Minute discharge rate to 1.75 Volt per cell (Lead acid battery)
Amp
:
3.0
Performance
3.1
Is the battery furnished meets required duty cycle curve -Yes/No
3.2
Cell voltage characteristics during duty cycle furnished ?
Yes/No:
3.3
Minimum cell voltage during duty cycle
Volt
:
3.4
AH efficiency at 10-hour discharge rate (Lead acid battery)
%
:
3.5
Expected life of Battery
Hr.
:
Page 32 of 50
:
4.0
Battery Characteristics
4.1
Recommended charging rate for
:
a.
Float charge
:
b.
Equalizing Charge
:
c.
Boost charge in ……hrs.
4.2
4.3
Start
:
Finish
:
Recommended specific gravity at 27oC
:
a.
For first filling
:
b.
At full charge
:
c.
At end of 10-hour discharge :
Short-circuit current for a dead-short across battery terminals, when
:
a.
Float charge at rated volt/Cell
kA
:
b.
Boost charge at rated volt /Cell
kA
:
Ohm
:
4.4
Battery internal resistance
4.5
Cell voltage characteristics during charging furnished ?
5.0
Cells
5.1
Number of cells per battery
:
5.2
Type of the cell
:
5.3
Cell designation as per I.S.
:
5.4
Material of the container
:
5.5
Overall dimension of each cell
mm
5.6
Weight of complete cell
---
(Y/N) :
Page 33 of 50
:
Volt/Cell
Amp
a.
Without acid
Kg
:
b.
With acid
Kg
:
Ohm
:
5.7
Internal resistance of cell
6.0
Intercell Connector
6.1
Intercell connector furnished ?
:
6.2
Type of intercell connector
:
6.3
Material of intercell connector
7.0
Plates
7.1
Number of positive plates per cell
:
7.2
Type of positive plate
:
7.3
Type of negative plate
7.4
Terminal stands material
8.0
Separator
8.1
Type
:
8.2
Material
:
8.3
Thickness
:
9.0
Electrolyte
9.1
Amount of electrolyte for first filling
bolted/burned
:
: :
a.
Per cell
litre
:
b.
Per set
litre
:
9.2
First filling with 10% extra furnished ?
:
9.3
Electrolyte conforms to
:
10.0
Racks
10.1
Number of racks per battery
:
10.2
Number of cells per rack
: Page 34 of 50
10.3
Type of racks
10.4
Material of rack
10.5
Racks provided with :
10.6
10.7
10.7
Rows/tiers
: :
a.
Numbering tags for cells
:
b.
Teakwood clamps for cables
:
Insulator with 5% extra furnished for : a.
Cell
Yes/No:
b.
Stand
Yes/No:
Type of Insulators a.
Cell
b.
Stand
:
Inter-row, Inter-tier connectors and end take-off furnished ?
:
10.8
Connection hardware with 5% extra furnished
:
11.0
Dimension & Weights
11.1
dimension (LxBxH) mm
11.2
Approx. Weight
11.3
Battery layout drawing furnished ?
12.0
Ventilation requirements
12.1
Adequacy of Dimension of battery room
:
12.2
Gas generation per cell per hour
:
12.3
Nos. of air change per hour in Battery room
12.4
Gasification voltage per cell
: Kg
: :
Lt
Volt
Page 35 of 50
:
13.0
Accessories furnished with each battery
13.1 13.2 13.3 13.4 13.5 13.6 13.7 (Add more sheets if necessary)
B.
BATTERY CHARGER
1.0
General
1.1
Make
:
1.2
Cat. No
:
1.3
Type
:
1.4
Reference Standard
:
2.0
A.C. Input
2.1
a.
Voltage & ±% variation
Volt :
b.
Phase
No. :
c.
Frequency & ±% variation
Hz :
D.C. Output
Float Charger
a.
Voltage
Volt
:
b.
Current
Amp.
:
2.2
Type of Cooling
:
2.3
Max. Temp within cubicle above design ambient ... oC
:
a.
Rectifier transformer
o
:
b.
SCR
o
:
C C Page 36 of 50
Float-Boost Charger
Float Charger
3.0
Performance
3.1
Regulation for 0-100% rated load with ±10% Input voltage and ±3% input frequency variation
3.2
%
Ripple content in D.C. output
: :
a.
With battery
%
:
b.
Without battery
%
:
3.3
Guaranteed efficiency at rated load and power factor
%
:
3.4
Power Factor at rated load
%
:
4.0
Miscellaneous
4.1
Charger provided with following features
:
a.
Automatic voltage regulation
:
b.
Current limiting circuitry
:
c.
Smoothing filter circuit
:
d.
Soft-start feature
:
4.2
SCR elements provided with
:
a.
Surge protection
:
b.
Fast acting HRC fuse
:
5.0
A.C. Switch
5.1
Make
:
5.2
Type/Cat. No.
:
5.3
Reference Standard
:
5.4
Rated Current
6.0
A.C. Fuse
6.1
Make
:
6.2
Type/Cat. No.
:
Amp
Page 37 of 50
:
Float-Boost Charger
Float Charger 6.3
Reference Standard
:
6.4
Current rating
:
a.
Continuous
Amp
:
b.
Interrupting
KA
:
7.0
A.C. Contactor
7.1
Make
:
7.2
Type/Cat. No.
:
7.3
Reference Standard
:
7.4
Rated Current
7.5
Utilization category
:
7.6
Thermal overload with in-built single-phase preventor provided ?
:
8.0
Rectifier Transformer
8.1
Make
:
8.2
Type/Cat. No.
:
8.3
Reference Standard
:
8.4
Ratings
Amp
:
:
a.
KVA
:
b.
Voltage
:
c.
% reactance
:
8.5
Class of insulation
:
8.6
Method of cooling
:
Page 38 of 50
Float-Boost Charger
Float Charger 9.0
Controlled Rectifier (SCR)
9.1
Make
:
9.2
Type/Cat. No.
:
9.3
Reference Standard
:
9.4
Rms Current rating
Amp
9.5
Surge Current
---
a.
One-cycle
Amp
:
b.
Repeatative cycle
Amp
:
9.6
:
Peak inverse voltage a.
Continuous
Volt
:
b.
Surge
Volt
:
10.0
D.C. Fuse
10.1
Make
:
10.2
Type/Cat. No.
:
10.3
Reference Standard
:
10.4
Current rating a.
Continuous
Amp
:
b.
Interrupting
KA
:
11.0
D.C. Contactor
11.1
Make
:
11.2
Type/Cat. No.
:
11.3
Reference Standard
:
Page 39 of 50
Float-Boost Charger
Float Charger 11.4
Current rating
Amp
:
11.5
Utilization category
12.0
Blocking Diodes
12.1
Make
:
12.2
Type/Cat. No.
:
12.3
Reference Standard
:
12.4
Current rating
:
a.
One-minute
Amp
:
b.
One-hour
Amp
:
Volt
:
12.5
Peak inverse voltage
13.0
Indication Lights
13.1
Make
:
13.2
Type/Cat. No.
:
13.3
Reference Standard
:
13.4
Wattage / Amperage
Watt/Amp.
:
13.5
Series resistor
Ohm
:
14.0
Meters
14.1
Make
:
14.2
Type/Cat. No.
:
14.3
Reference Standard
:
14.4
Size
:
14.5
Accuracy
:
Page 40 of 50
Float-Boost Charger
Float Charger 15.0
Alarm-Facia
15.1
Make
:
15.2
Type/Cat. No.
:
15.3
Reference Standard
:
15.4
No. of window per facia
:
16.0
Change-over Switch
16.1
Make
:
16.2
Type/Cat. No.
:
16.3
Reference Standard
:
16.4
Rating
16.5
No. of poles
:
16.6
Key interlock furnished ?
:
17.0
D.C. Switch
17.1
Make
:
17.2
Type/Cat. No.
:
17.3
Reference Standard
:
17.4
Rating
17.5
No. of poles
:
17.6
Key interlock furnished ?
:
18.0
Charger Panel
18.1
Make
:
18.2
Type
:
Amp
Amp
Page 41 of 50
:
:
Float-Boost Charger
Float Charger 18.3
Reference Standard
18.4
Enclosure :
18.5
18.6
18.7
18.8
18.9
:
a.
Degree of protection
:
b.
Sheet steel thickness mm
:
Panel provided with : a. Internal lamp with door-switch
:
b. Space heater with thermostat
:
c. 6A 3-pin receptacle
:
Internal Wiring a.
Insulation
:
b.
Voltage grade
:
c.
Minimum conductor size
:
Power Terminals a.
Make
:
b.
Size/Cat. No.
:
Control Terminals a.
Make
:
b.
Size/Cat. No.
:
c.
20% spare terminal furnished ?
:
Ground Terminal furnished ?
:
18.10 Overall dimension (LxBxH)
mm
:
18.11 Approx. Weight
Kg
:
18.12 General Arrangement drawings furnished ? 18.13 Accessories as specified furnished with battery charger ?
Page 42 of 50
:
Float-Boost Charger
SCHEDULE - III LIST OF RECOMMENDED SPARES Sl.No.
Description
Page 43 of 50
Identification Code
SCHEDULE - IV LIST OF SPECIAL TOOLS AND TACKLES Sl.No.
Description
Page 44 of 50
Identification Code
SCHEDULE - V DEVIATIONS The Tenderer shall furnish an exhaustive list of deviations if there is any, in his proposal as per the following format. The ‘Price implication’ column shall be filled up only with ‘yes’ or ‘no’, not with any price figures. Sl.No.
Reference from Specification document
Description of Deviation
Page 45 of 50
Price implication (yes/no)
SCHEDULE - VI EXPERIENCE LIST The Tenderer shall tabulate below a list of jobs already executed by him as regards to the supply and/or turnkey execution of similar packages/projects. The list shall contain all relevant information on type, capacity, client, project/order values, scheduled and actual time of execution and any other pertinent information as may be considered worth mentioning for the purpose of assessing his capability. Sl. No.
Construction Schedule
Actual time of Completion
Type of Work & Capacity
Location
Page 46 of 50
Name of Project & Order value
Name of Client / Owner
Supervising Consultant
PART - B PRICE PART Price Break up
Page 47 of 50
PART - B PRICE PART Price Break up To be filled up for all equipment (1)
(2)
(3)
(4)
(5)
(6)
(7)
(Figures in Rs) (8)
ExPacking & FOR Excise Sales Local Freight & Landed price works Forwardin works duty tax Govt. transit at site g Taxes ( if insurance (3+4+5+6+7) (1+2) any) Item number. Battery & Charger complete with all specified accessories
Mandatory Spares
Total supervision charges for erection, trial run & commissioning including all incidental expenses except to & fro traveling cost from location of supplier to Purchaser site:
Page 48 of 50
RECOMMENDED SPARES
Sl.No.
Description
Identification Code
Page 49 of 50
Unit price
SPECIAL TOOLS AND TACKLES Sl.No.
Description
Identification Code
Page 50 of 50
Unit Price
