Rate contract for Maintenance of Sub stations Located in Township for a period of Two years

REGULAR MAINTENANCE OF SUBSTATIONS as per check list at Annexure-III,IV,V and VI: (i) Daily recording of electrical parameters i.e Voltage, Current, Frrquency, Power factor etc.of 33 KV / 11 KV and 11 KV / 433 Volts substations at Township in the prescribed format. (ii) Daily maintenance of Batteries at substations by cleaning, apply petorleum jelly to battery terminals, top-up of distill water level and maintain specific gravity if required . (iii) Tap changing of 8MVA / 10MVA transformers located at Township and all other 11KV Transformers located at Township sub-stations as and when required and monitoring & recording. (iv)Half- Yearly Preventive maintenance (PM) of HT VCB's of current rating 800A/630A, voltage: 11KV (36 nos.), 33KV Outdoor (3Nos.) and 11KV Outdoor (2Nos.) in the existing substations panels located at Township substations as per Annexure-I. (v) Half- Yearly Preventive maintenance (PM) of Sub-station LT panels of 3-pole/4-pole, 415V ACB's of all amperage capacities and its panels, list as per Annexure-II. (vi)Half-Yearly Preventive Maintenance of 33/11 KV Power transformers with - OLTC of capacity 10 MVA (1No.),8 MVA (1No.) and 11/0.433 KV Distribution transformer (7 No's.) with or without OLTC of capacity from 100 KVA to 1000 KVA located in Township located in colony as per PM schedule at Annexure-III. (viii) Other maintenance

33/11 KV Sub Station Cleaning- Greasing of 33/11KV yard structure equipments and 33KV & 11KV AB switch's cleaning for smooth functioning as per direction of EIC.Grease shall be arranged by vendor

MAINTENANCE & RESISTANCE MEASUREMENT OF EARTH PITS with labeling: Maintenance of earth pit by pouring 50 litre of clean water completely mixed with 5.0 kg raw salt, through water pipe of existing earth stations . Then after a gap of 2 hours measure the earth resistace, as per relevant IS standard, with a calibrated earth resistance meter. Earth resistance(calibration ) report shall be submitted in prescribed format to EIC. marking resistance value with due date on lable sticker on existing metal support as per direction of EIC. The tools, Equipments and consumables required is in vendor scope.

EARTH STRIP :Supply, & laying of 36 mm x 5 mm GI stip on porciline insulators clamped to walls at distance of one meter or on cable trays, run in pipes, run underground etc., as required including interconnection between the earth stations etc., complete as required conforming to IS: 3043-1987. Scope of work includes supply of calmping materials necessary to complete work in all respect as per direction of EIC.

EARTH PITS : Making Earth pit complete with GI plate 60 cm x 60 cm x6 mm thick electrode and 25 mmx6 mm GI strip. GI plate is to be buried directly in ground with top edge of the plate not less than 3.0 metres below normal ground level. GI strip to be bolted with the earth plate at three points by means of copper bolts, nuts, check nuts and washers. Earth strip to be extended upto earth test point in earth chamber at ground level. Scope of work includes excavation of earth & refilling, drilling hole to electrodes, supply and covering the earth plate with alternate layer of salt and charcoal (not less than 15.0 cm on both side of plate), PCC pit and CI cover, Funnel with watering pipe, wire mesh and copper lugs etc as specified, GI protection pipe of size as specified for protection of earthing lead from top of earth plate upto earth chamber, laying copper strip of length of 5.0 mtrs connecting from test point to mainswitch or switch board or equipment and any other work necessary to complete making earth pit in all respect.

Provisioning of earth pit chambers:Supply and provisioning of earth chambers(circular/square closed type) as per site requirement for existing damaged earth pits, scope includes removal of damaged earth chamber.

Provisioning of DC Power packs: Supply and provisioning of DC Power packs of 24V and 110V as per site requirement as directed by EIC. Make: Gogate / Equivalent….

Provisioning of Lightining arresters:Supply and provisioning of 5 feet lightining arresters (LA) on buildings with necessary fixing accessories as directed by EIC

Provisioning of Vacuum Interruptors : Supply and provisioning of vacuum insulated bottles suitable for existing crompton 11KV breakers as directed by EIC and as per site requirement.

Provisioning of Vacuum Interruptors : Supply and provisioning of vacuum insulated bottles suitable for existing schneider 11KV breakers as directed by EIC and as per site requirement.

Repair of front assembly circuit breaker: Repair of circuit breakers by replacement of breakers front assembly for smooth drawn-out /drawn-in operation suitable for existing schneider and crompton HT breakers as directed by EIC.

Repair of HT Circuit breaker: Repair of existing Schneider and Crompton make 630-800 Amps,11KV, HT Breakers for smooth mechanical operation with on/trip operations. scope includes replacement of any small mechanical spare parts such as springs, washers, coils,replacement of Vacuum circuit breakers clusters and buffers suitable for existing schneider and Crompton.Scope includes one time full servicing

Provisioning of Vacuum circuit breakers : Supply and provisioning of 11KV Vacuum circuit breakers suitable for existing CG make HT VCB panels as directed by EIC. Make Crompton greaves.

Provision of Heaters: Supply and fixing of U-type 500Watts coil heaters (Air-Heaters) to arrest the moisture inside the 11KV HT panels to be fixed with suitable procelain insulators with all interconnections as per site requirement and as per direction of EIC.

Transformer Oil filteration & BDV testing: Testing of existing 100KVA - 1000KVA transformers for oil filteration and BDV testing to improve the dielectric strength of the oil with high vacuum filter machine with calibrated equipment and test certificates submitted to EIC.

8000-10000 KVA Transformer Oil Filteration & BDV testing : Testing of existing 8000-10000 KVA transformer for oil filteration and BDV testing to improve the dielectric strength of the oil with high vacuum filter machine with calibrated equipment and test certificates submitted to EIC.

Trench Making : Excavation of all kinds of earth up to depth of 1000mm x 300mm as directed by EIC. The dug earth should be refilled after executing the work.

Provisioning of PT fuses : Supply and provisioning of potential transformer (PT) fuses suitable for existing 11KV PT as directed by EIC.

Provisioning of current transformer (Indoor) : Supply and provisioning of current transformer (CT) of ratio 600-400/1-1A suitable for existing 11KV HT VCB panel as directed by EIC.

Provisioning of current transformer (Outdoor) : Supply and provisioning of current transformer (CT) of ratio 600-400/1-1A suitable for existing 33/11KV substation for HT VCB as directed by EIC.

HT Cabling: Supply & laying of 11KV 3-Core x 300 sq.mm earthed armoured cable with stranded compacted circular Aluminium conductor XLPE insulated confirming to IS:7098 std. cable laying in under groung trenches as per site conditions as directed by EIC. Make:Gloster/Finolex/Polycab.

HT Cabling: Supply & laying of 11KV 3-Core x 120-185 sq.mm earthed armoured cable with stranded compacted circular Aluminium conductor XLPE insulated confirming to IS:7098 std. cable laying in under groung trenches as per site conditions as directed by EIC. Make:Gloster/Finolex/Polycab.

Provisioning of double break AB switches: Supply and replacement of 33KV double break AB switches at existing 33/11KV substation as directed by EIC.

Provisioning of LED revolving/warning buzzer: Supply and provisioning of revolving LED warning buzzer with switch and necessary wiring for township substation as directed by EIC.

Provisioning of breakers maintenance stands: Supply and provisioning of movable and adjustable HT VCB breakers MS stands for maintenance of HT panels as per site requirement.

Supply and Provisioning of Transformer Breathers : Supply and replacement of Existing Transformers Breathers of range 0.5 kg including silica gel on existing in indoor and out door sub stations as directed by EIC.

Supply and Provisioning of Transformer Breathers : Supply and replacement of Existing Transformers Breathers of range 1 kg including silica gel on existing in indoor and out door sub stations as directed by EIC.

Supply and Provisioning of Transformer Breathers : Supply and replacement of Existing Transformers Breathers of range 5 kg including silica gel on existing in indoor and out door sub stations as directed by EIC.

Relays testing : Provisioning of primary injection testing for checking the current transformers (CT's) of existing HT VCB panels for measurement. Secondary injection testing of existing primary and auxilary relays for over current, earth fault and short-circuit faults with curve characterstics and timing. Note: valid calibration certificates shall be issued by authorised serviced agency of class -A certificate with compitent authority approval.

No Rupees Only

Sucessful offer that is L-1 (Lowest offer) will be determined including GST.

The payment terms shall be governed as per the terms indicated in General conditions of contract.

Amount towards GST will be paid along with RAR payment against invoice.

The tenderers are requested to abide by the rules of prevailing GST act.

This BOQ specification has to be read in conjunction with technical specifications and tender drawings if any. Any ambiguty in these have to be brought to the knowledge of contract section before submission of tender to avoid future claims/dispute.

HAL/HD/MT/RT/24-25/15

HAL/HD/MT/RT/24-25/15

Rate contract for Maintenance of Substations located in Township for a period of two years

Description

Name of the Individual / Firm / Company: * Mandatory

Type of ownership

Details of Constitution or Legal Status such as certificate of incorporation, shops and establishments, Contractor registration No etc.,

Address for correspondence:

GST NO.:

PAN No.:

Contact details

Please Enter Contact person Name

Pls Enter Mobile No

Average annual financial turn over during the last 3 years, ending financial year 2023 [ should not be less than 30% of Amount put to tender]. Turnover for 3 years are compulsory.

TURN OVER IN Rupees

Pls Enter Turn over in Rs. for all the 3 years

ESI & PF Nos with proof (If any)

Related Document to be Uploaded to e-Procurement Portal

Bank(s) details: [Copy of the cheque leaf to be uploaded]

Related Document to be Uploaded to eProcurement Portal (Note Canceled cheque leaf to be uploaded)

Latest Bankers Solvency Certificate from Nationalized/ scheduled Bank issued NOT before 12 months from the date of Tender submission.

Pls Enter Details to 'Name of the Bank' , 'Date of Issue','Value in Rs

Experience of having successfully completed similar works during last 7 years ending last day of month previous to the one in which applications are invited. [Latest work experience certificate may be uploaded] (i) THREE similar completed works each costing not less than the amount equal to 40% of the estimated cost. (ii) TWO similar completed works each costing not less than the amount equal to 50% of the estimated cost. (iii) ONE similar completed work each costing not less than the amount equal to 80% of Amount put to the tender.

80% (One Work)

Type of Work: [ Incase of private works the same shall be supported with TDS certificate]

Please enter Details for Work No 1

Type of Work: [ Incase of private works the same shall be supported with TDS certificate]

Pls Enter Details for Work No II

work done

Type of Work: [ Incase of private works the same shall be supported with TDS certificate]

Pls Enter Details for Work No III

Details of person holding the power of Attorney (If different from contact person)

Related Document to be Uploaded to eProcurement Portal

Pls Enter Details for Person holding Power of Attorney

DECLARATION I

Pls Accept The Delarication

DECLARATION II

Pls Accept the Delaration II