OVERHAULING OF ALTERNATOR OF 625 KVA DG SET BY OEM AT BPCL GOOTY DEPOT

OVERHAULING OF 625KVA DG ALTERNATOR AT BPCL,GOOTY

Sr. No. DESCRIPTION

1 Brief Information about Tender

3 Schedule of Quantities

4 Terms and Conditions

BRIEF INFORMATION ABOUT TENDER

This tender invites bids for overhauling of 625 KVA DG alternator at BPCL Depot. The tender

covers the complete overhauling of the 625 KVA DG alternator, including rewinding, repair,

testing, and restoration to full operational condition. It also includes providing a rental

alternator with transportation, installation, and removal charges to ensure uninterrupted

operations during the repair period of the original unit.

Vendor shall have office, warehouse and competent manpower with expertise in the job so as

to attend any breakdown / repair immediately

Address of location:

Bharat Petroleum Corporation Limited,

Near power grid corp Ltd,,

Old NH - 7, Ananthpur district

Andhra Pradesh-

This Tender is being floated for 3 month validity. The job needs to be carried out at Gooty Depot as

per the requirement.

To carry out the complete overhauling and servicing of the existing 625 kVA DG Alternator installed at

the site, including removal, transportation, repair, testing, re-installation, and commissioning. The

contractor shall also provide a rental alternator of equivalent capacity during the overhaul period to

ensure uninterrupted operations.

A. Removal & Transportation

1. Disconnect the existing 625 kVA alternator from the DG set after obtaining shutdown clearance from

the site authority.

2. Dismantle, lift, and safely remove the alternator using appropriate tools & lifting equipment.

3. Transport the alternator from the site to the contractor’s workshop and back after completion of

4. Ensure safe handling, packaging, and protection from weather/road damages during transit.

B. Overhauling & Repair of Existing Alternator

1. Initial inspection & diagnosis:

- Visual inspection for mechanical and electrical defects

- Insulation resistance (IR) testing

- Checking bearings, rotor, stator, rectifier assembly, and AVR health

2. Mechanical Overhaul:

- Replacement of bearings

- Alignment correction

- Balancing of rotating components

3. Electrical Overhaul:

- Cleaning & rewinding of stator/rotor (if required)

- Replacement/repair of diode bridge and rectifier assembly

- Servicing or replacement of AVR

- Replacement of worn-out connectors, terminal nuts, bolts, and insulation materials

4. Testing & Quality Checks:

- High-voltage test

- Vibration test

- Temperature rise test

- IR value documentation (before & after)

5. Painting and finishing of the alternator after overhaul.

6. Submission of detailed service report, including replaced parts, test results, and warranty details.

C. Supply, Installation & Removal of Rental Alternator

1. Supply a rental alternator of equivalent capacity (625 kVA or higher) for use during the overhaul period.

2. Transport the rental alternator to and from site.

3. Install, align, and connect the rental alternator to the existing DG engine.

4. Conduct load testing to ensure proper functioning.

5. Maintain the rental alternator in working condition for the entire duration.

6. De-install and remove the rental alternator after the original unit is reinstalled.

D. Reinstallation & Commissioning of Overhauled Alternator

1. Transport the overhauled alternator back to site.

2. Install and align the alternator with the DG engine.

3. Connect all electrical and mechanical interfaces.

4. Conduct pre-commissioning checks and trial run under load.

5. Hand over the system after successful performance testing.

3. Contractor’s Responsibilities

- Deploy skilled manpower, tools, and lifting devices.

- Follow all applicable safety standards and provide PPE to workers.

- Ensure statutory compliance during transportation & work execution.

- Provide warranty for the overhauled alternator and replaced parts (minimum 6–12 months).

- Ensure no operational downtime beyond permitted shutdown periods.

4. Deliverables

- Inspection report (before overhaul)

- Overhauling completion report

- Test certificates

- Warranty certificate

- Rental alternator performance records

- Final commissioning certificate

Schedule of quantities

DESCRIPTION QUANTITY UNIT

ALTERNATOR MAIN

MAIN ROTOR, EXCITOR

AND, EXCITOR ROTOR

REMOVING, AIR DUST

CLEANING, 'CTC'

10 VARNISHING, OVEN 1 NO

PART NO.SR-ALT101A

ENGINE ALTERNATOR

20 TERMINATION 1 NO

AND LOADING IN TRUCK

PART NO.SR-SRV241P

30 TOOLS, ALTERNATOR 1 NO

COUPLING, BASE BOLT,

TERMINATION REFIXING

PART NO.SR-SRV241Q

& TESTING CHARGES

PART NO. SR - ALT101D

FIELD SERVICING

50 CUMMINS 2 NO

RENTAL CHARGES FOR

60 STAMFORD 10 DAY

RENTAL ALTERNATOR

70 REMOVING & REFIXING 1 NO

90 KIT,FIELD REPAIR 1 NO

Terms & Conditions

a. BPCL reserves the right to accept any tender in whole or in part or reject any or all tenders

without assigning any reason. Decision of BPCL in this regard shall be final and binding on

b. BPCL shall follow Purchase Preference / Price Preference as per prevailing guidelines of

Government of India

c. This Tender is not transferable. All enclosed tender documents along with the Annexures

/ Attachments will form part of the tender.

d. The prices quoted by the Tenderer shall be firm during the validity period of the bid and

Tenderer agrees to keep the bid alive and valid during the said period. In case the tenderer

revokes or cancels the tender or varies any of terms of the tender without the Consent of

the Owner, in writing, the Tenderer forfeits the right to the refund of the Earnest Money

paid along with the tender.

e. Payment of bills shall be tendered to the contractor in electronic mode (e-payment)

through any of the designated banks. The contractor will comply by furnishing full particulars

of Bank Account (mandate) to which the payments will be routed. Corporation reserves the

right to make payment in any alternate mode also.

f. Corporation reserves the right to take action as deemed fit which is inclusive of placing the

tenderer under suspension / holiday for a period as decided by the Corporation, in case of

withdrawal of offer at any stage, non - acceptance of LOA / PO or non - execution of order or

any other breach of tender terms and conditions.

g. In case of any dispute in the interpretation of the terms and conditions of the tender, the

decision of the Corporation shall be final and binding.

Terms and Conditions-HSSE:

1. Adherence to fulfilment of the conditions relevant to the Job as stipulated in

latest editions of OISD192 (SAFETY PRACTICES DURING CONSTRUCTION), OISD

GDN – 105(WORK PERMIT SYSTEM), OISD 207 (CONTRACTOR SAFETY) by the

contractor. The conditions have though been elaborated in the General

Conditions of Tender, however the conditions of above referred OISD std. will

supersede in case of any inadequacy.

• Contractor shall compulsorily impart training as per OISD 154 to all

its employees to be deployed at site before start of job

• Confined space entry should have valid permit.

• Job safety plan should be prepared by contractor & approved by BPCL.

• Contractor supervisor should be selected who possesses job knowledge and

2. The party should provide all workmen with necessary safety helmet, safety

belts, safety shoes and other standard safety equipment irrespective of nature

of job. Provision of necessary safety equipment for working at height shall be

in vendor’s scope of work. No extra payment shall be made for this. Any delay

on account of non-adherence to safety norms, rules and regulations of plant as

well as obtaining work permits from the plant shall not be accounted for the

delay in completion of job.

3. Electricity, potable water required for construction has to be arranged by the

vendor at his own cost. Also water storage arrangement shall be made by

vendor at BPCL designated place only.

4. Vendor should comply with all rules and regulations as per EPF/ESIC,

minimum Wages act ,workmen compensation act, Labour laws (central)

and other statutory Regulations etc. complete as applicable. He should

produce and submit Necessary documents as proof of compliance.

All the parts like the tender schedule, Technical Specification, Special

Conditions of Tender, Conditions of tender etc. are to be read together and

shall be supplementary to each other. In case of any contradiction between

provision of GCC and SCC, provisions in SCC shall overrule that in GCC only to

the extent of contradiction. Similarly in case of any contradiction between

provisions in Technical specification and SCC, provisions in SCC will overrule

that in Technical Specification only to the extent of contradiction. SCC and

Technical specification are supplementary to Schedule. Hence in case of any

contradiction to schedule, the same has to be brought to the notice of

Engineer in Charge and his decision shall be final and will be binding on

vendor. No claim will be entertained on account of any such changes.

5. Engineer –in-charge shall have right to take possession of or use any

completed or partially completed work or part of work. Such possession or

use shall not be deemed to be an acceptance of any work completed in

accordance with the Contract Agreement.

6. Site clearance- Vendor has to clear all unwanted materials, equipment etc.

to be cleared off immediately from site. He is required to get necessary

clearance for Engineer in charge of ‘having cleared the site satisfactorily’

before submission of final bill.

7. Receipt & storage of material at Site: Vendor is required to make his own

arrangement for unloading and storage of materials at site. Vendor is

required to inform us prior to dispatch of materials and his representative is

required to be available for receipt and unloading of materials at site.

Security/ safety & safekeeping of material, supplied by vendor, will remain

sole responsibility of vendor till entire completed facility is handed over to

BPCL by vendor.

QC & QAP: All materials are to be as per specification and as directed by

Engineer in charge. Necessary tests are to be carried out and recorded as per

the approved QAP and shall be available at site at all time for inspection. The

rates offered shall be inclusive of charges for all such tests.

8. The successful vendor has to arrange and submit to plant the proper POLICE

VERIFICATION DOCUMENTS of all the labors, site in charges, supervisors,

welders, grinders and all associated workmen who will be coming inside the

installation for carrying out related jobs. Delay because of non- compliance

of police verification shall be accounted on the part of vendor.

9. For carrying out the jobs inside the plant the vendor has to arrange for

electricity (sufficient nos. of acoustic DG sets only along with their valid fitness

certificate), working water, associated tools, tackles, manpower, machinery of

his own and no extra payment will be made to vendor on account of the

10. For arranging the electricity vendor to note that only Acoustic Proof, box

type DG sets will be allowed inside the plant premises. Vendor to also note

that proper GI plate type earthing system as per IS 3043 (LATEST) has to be

provided by the vendor for DG set and no extra payment will be done for

the same. There should be two nos. earthing system connected in a grid at

a location as instructed by BPCL site in-charge

11. As per HSSE Circular HSSE:25 dated 13.06.2018 ; It is mandatory to use new

generation crane having rear mounted boom & out riggers support for

material handling work at site. The approved mode cranes are Escort

Construction Equipment limited – TRX series: K10 ,F15:TRX 2319 ;MAC and

Action Construction Limited – FX120 ,FX10 ,15XWE,15XWF ,RHINO 110 PC.

It is mandatory requirement to vendor to obey all guidelines of BPCL, Corporate Safety

management system. Under CSMS , vendor to follow following things at site.

• Strict adherence to BPCL 12 Life Saving rule.

• Deputation of dedicated Safety Supervisor/officer at site as per CSMS.

• Strict Implementation & documentation of all CSMS compliance at site.

12. Contractor's Safety Organization:

Contractors must provide a nominated manager/supervisor or foreman with

authority to give and receive safety instructions at project location. Also, the

below mentioned conditions need to be satisfied:-

• For every 30 persons or more contractor shall appoint one qualified

safety steward (diploma in industrial safety from recognized

government institute). For more than one safety steward, one of

them shall be appointed as Chief safety steward.

• In addition to above contractor shall also appoint one safety officer,

if he employs more than 100 workers. Safety officer shall have

Diploma in Industrial Safety or any equivalent qualification from

Government Recognized Institute and minimum 2 years of

experience. For more than one safety officer, one of them shall be

appointed as Chief safety steward.

Notices and Signs:

Contractors shall display prominently relevant safety notices and signs in such a

manner as to ensure personnel in the vicinity are made obviously aware of the

potential hazard. Posters shall be utilized within amenities as a general reminder

and changed on a regular basis to reduce familiarity. Signs shall be generated

following Indian regulations.

• If a contractor is employing less than 30 employees, he shall

designate one dedicatedsupervisors as a safety steward.

Address of the site:

Bharat Petroleum Corporation Limited

Near power grid corp Ltd,,

Old NH - 7, Ananthpur district

Andhra Pradesh-

CONTACT PERSONS for Technical aspects of this tender

Arun S – Associate Executive Ops Officer-7904044906

Krishna Gopal Singh-Asst. Manager(HSSE)-