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Eligibility, documents, scope, Go/No-Go checksEligibility, required documents, scope of work and Go/No-Go checks for this tender, in one click.
Tender Value
Refer Docs
EMD Value
₹69,000
Closing Date
2 Nov 2026, 3:00 pm
Eligibility, documents, scope, Go/No-Go checksEligibility, required documents, scope of work and Go/No-Go checks for this tender, in one click.
Sudarshana Kalita
VB-ONGC
In-situ repair of ICPR GTG CACA Cooler heat exchanger at IC Platform
2026_ONGC_294048_1
Y16SC26007
Open Tender
Job Works
Works
Offshore
Please refer Tender documents.
3 documents required · 3 mandatory
₹0
₹69,000
12 Oct 2026
12 Oct 2026
3 Nov 2026
12 Oct 2026
2 Nov 2026
12 Oct 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1In-situ repair of ICPR GTG CACA Cooler heat exchanger at IC Platform as per Scope of Works. | |||||
| 1.01 | Mobilization, Site Preparation, Scaffolding & Lifting:
1.Mobilization of skilled manpower, supervisors & safety personnel to offshore site
2. Erection of scaffolding (all types) & safe working platform on all sides of CACA unit at approx. 15–18 ft height
3. Supply of scaffolding material for working platform
4. Arrangement of all tools, tackles, chain blocks, beam clamps, belts & fixed clamps of appropriate rating
5. Removal of air inlet & outlet ducts to expose heat exchanger for free access
6. Making the CACA unit on-skid or lifting just above skid as required for access. | 1 | No | - | - |
| 1.02 | Inspection, Cleaning & Non- Destructive Testing (NDT):
1. Thorough cleaning of all 1530 heat exchanger tubes using high-pressure air
2. Hydrostatic / Pneumatic pressure testing of each individual tube up to designed pressure to detect leaks
3. Non-Destructive Testing (NDT) by Eddy Current Testing (ECT) and/or Boroscopic inspection to detect cracks, corrosion & wall-thinning
4. . Documentation of test results with tube-by-tube inspection report
5. Checking overall integrity of CACA Heat Exchanger & evaluation of thermal performance with air flow rate | 1 | No | - | - |
| 1.03 | Tube Repair, Plugging & Replacement Works:
1. . Removal of damaged / leaking tubes (estimated ~200–250 nos.) or fixing suitable-size blinds on both ends of damaged tubes in consultation with ONGC platform team
2. Supply of suitable blinds as per size requirement
3. Proper fixing & sealing of blinds to damaged tubes
4. Closure of area around removed tubes on both sides of CACA unit with suitable material & argon welding
5. In-situ repair of damaged tubes by argon welding or other approved methods wherever possible
6. CACA unit tanking-down to floor level if required for repair execution
7. Supply of all special tools & materials required for tube removal/repair works
8. Replacement of gasket between foundation and CACA unit base structure as per OEM grade | 1 | No | - | - |
| 1.04 | Surface Treatment & Protective Coating:
1. Surface preparation (cleaning / degreasing / rust removal) of external surface of CACA Heat Exchanger
2. Application of fresh coat of corrosion-proof epoxy paint over entire external surface of CACA Heat Exchanger
3. Supply of corrosion-proof epoxy paint & consumables
4. Inspection & approval of painted surface before final reinstatement | 1 | No | - | - |
| 1.05 | Reassembly, Final Pressure Testing & Completion:
1.Post-repair final hydrostatic/pneumatic pressure test of complete CACA Heat Exchanger to verify leak-free integrity
2. Placement of CACA unit back on its skid
3. Refitting of all air inlet & outlet ducts as per original arrangement
4. All manual labour, supervision for reassembly works
5. Submission of final job completion report with pre & post repair test records | 1 | No | - | - |
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TD.pdf
Tender Documents • 2.46 MB
BOQ_342806.xls
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