Public Works Department Tender
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Public Works Department - PWD Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date8 Jan 2025
Closing Date15 Jan 2025
Tender AmountRefer Documents
Costs
EMD
₹ 40,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Wbpwd/sewec /bed /niq-82 /2024-25-3rd Call
Description
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Contact
Tender Id
2025_WBPWD_797078_1Bid Award Id
ViewTender No
WBPWD/SEWEC /BED /NIQ-82 /2024-25-3rd CallTender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
GEM & Bid Advisory Services
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BOQ Items
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v) Fuse failure- Input / Output
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ii) By- pass - Voltage/ Frequency.
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B) The display panel should also capable to display following indication
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Shout Down
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iv) Fault - Rectifier/ By-pass / Inverter/ Paralleling
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ii) Humidity: 90% RH (Non Conditioning)
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110% for 10 minutes, 125% for 1 minutes, 150% for 5 Second. 103% for continious.
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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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v) Load - KVA/ KW/ Percentage
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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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Mains failour
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vi) Others standard measurement as per manufacturer standard & IS specification.
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iii) Battery Protection - DC MCCB (Internal/ External)
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MCB / MCCB for Input, Battery, Output & Manual Bypass Switch.
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x) Remote Monitoring features available.
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ii) Battery recharge time (after complete discharge) to 90% capacity -8-10 Hrs.
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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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v) Noice Level - 60db at 1 mtr distance
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i) Input - Voltage/ Frequency/ Current.
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iv) Battery - Voltage/ Current/ history data/ residual capacity/ charging status.
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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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Battery Bank / Charger/ Rack
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vi) Battery - Low/ Overcharged
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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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iii) Output - Voltage/ Frequency/ Current.
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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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UPS Display Panel
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iii) Protection Class - IP-20
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iv) Also UPS should have separate manual bypas switch.
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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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vi) All the electronic cards inside shall be with conformal coating to protect from harsh / Moist environment.
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iv) Battery End Cell Voltage - 1.75 V
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UPS Physical Condition
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ix) Communication: RS 232, RS 485, SNMP Provided
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iii) Input power factor to load0.99
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i) DC bus boltage - High/ Low
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i) Operating Temperature- 40°C
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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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Overload Capacity
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Switchgear:
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i) The static shall consist of fully rated Silicon Controlled Rectifiers (SCRs)
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iv) Main back feed protection
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iv) Type of Cooling - Forced Air
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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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UPS Over Load (_ 110 %)
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v) Lightning Protection Device
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Static Bypass Switch :-
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Certification
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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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UPS Technology & Capabilites
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iii) Over Temperature -Battery / By-pass/ Inverter
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Battery Low
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Alarms
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vii) Mains - On / Fail / High / Low / Single Phasing
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Fault
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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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The UPS should generates an audioble alarm for following condition.
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i) Minimum charger rating- 10% of battery AH rating offered
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Evaluation Notes How It Works ?
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