Public Works Department Tender
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Public Works Department - PWD Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date22 Nov 2024
Closing Date6 Dec 2024
Tender AmountRefer Documents
Costs
EMD
₹ 40,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Wbpwd/sewec /bed /niq-82 /2024-25
Description
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Contact
Tender Id
2024_WBPWD_772385_1Tender No
WBPWD/SEWEC /BED /NIQ-82 /2024-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost
BOQ Items
ii) Fully digital control with three Digital Signal Processor including rectifier, Invertor, Charger. Protections Advanced electronic protection for device safety backed with MCBs, Fast acting fuses, High speed pulse blanking.
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iii) Input power factor to load0.99
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iv) Main back feed protection
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v) Lightning Protection Device
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Overload Capacity
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110% for 10 minutes, 125% for 1 minutes, 150% for 5 Second. 103% for continious.
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UPS Display Panel
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The Display panel should capable for display of following measurement/ as per standard availability of specified manufacturer.
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i) Input - Voltage/ Frequency/ Current.
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ii) By- pass - Voltage/ Frequency.
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iii) Output - Voltage/ Frequency/ Current.
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iv) Battery - Voltage/ Current/ history data/ residual capacity/ charging status.
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v) Load - KVA/ KW/ Percentage
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vi) Others standard measurement as per manufacturer standard & IS specification.
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B) The display panel should also capable to display following indication
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i) DC bus boltage - High/ Low
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ii) Inverter - Overload / Short Circuit/ Low
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iii) Over Temperature -Battery / By-pass/ Inverter
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iv) Fault - Rectifier/ By-pass / Inverter/ Paralleling
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v) Fuse failure- Input / Output
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vi) Battery - Low/ Overcharged
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vii) Mains - On / Fail / High / Low / Single Phasing
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Switchgear:
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MCB / MCCB for Input, Battery, Output & Manual Bypass Switch.
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Alarms
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The UPS should generates an audioble alarm for following condition.
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Mains failour
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Battery Low
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UPS Over Load (_ 110 %)
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Fault
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Shout Down
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Battery Bank / Charger/ Rack
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i) Minimum charger rating- 10% of battery AH rating offered
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ii) Battery recharge time (after complete discharge) to 90% capacity -8-10 Hrs.
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iii) Battery Protection - DC MCCB (Internal/ External)
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iv) Battery End Cell Voltage - 1.75 V
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v) The UPS battery shall be of Advanced Glass Mat Valve Regulated Sealed Lead Acid Battery Construction type (AGM or VRSLAB) in ABS Flame Retardant (UL94V-O) grade (UL 2436) spill containment casing to meet UL 62368-1/IEC 62133 or equivalent standards type.
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vi) Automatic float cum boost charging capability with settable float & boost charging voltage & current levels and boots charger time.
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UPS Physical Condition
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i) Operating Temperature- 40°C
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ii) Humidity: 90% RH (Non Conditioning)
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iii) Protection Class - IP-20
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iv) Type of Cooling - Forced Air
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v) Noice Level - 60db at 1 mtr distance
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vi) All the electronic cards inside shall be with conformal coating to protect from harsh / Moist environment.
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vii) UPS panel should have Dust filter protection with sensor.
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viii) Monitoring Software: UPS Monitoring Software on Windows XP Platform
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ix) Communication: RS 232, RS 485, SNMP Provided
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x) Remote Monitoring features available.
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Certification
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ISO 9001: 2015, ISO 14001: 2015, ISO 18001, OHSAS 18001 CE Marking:IEC/EN 62040-1-1, IEC/EN 62040-2(EMC Emission),IEC/EN 62040-3(performance & Design)
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Static Bypass Switch :-
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i) The static shall consist of fully rated Silicon Controlled Rectifiers (SCRs)
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ii) The static bypass switch shall automatically transfer the critical load to bypass input supply without interruption after the logic senses one of the following conditions Inverter overload beyond rating. Battery runtime expired and bypass available. Inverter failure. Fatal error in control system.
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iii) The static bypass switch shall be equipped with a manual means of transferring the load to bypass and back to inverter.
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iv) Also UPS should have separate manual bypas switch.
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Terms & Condition
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i) Any Problem must be set right with 24 hrs after reporting.
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ii) Two mobile nos of different responsible person must be specified alongwith offer for reporting of problems in future.
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Carrying cost of battery and UPS to Burdwan site along with installation, fitting & fixing of accessories etc.
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Evaluation Notes How It Works ?
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