the scope of the party.
C. COMMISSIONING OF TRANSFORMER
External earth of the transformer should be properly connected to two nos. of earth
electrodes as per detail mentioned under EARTHING.
of the transformer should
recommendations and by competent Engineer of OEM.
recommendations. Only oil filtering machine will be provided by OIL.
All damaged or defective components must be replaced by the party at their own
cost with suitable replacement from the manufacturer.
The transformer will be energized in the presence of OIL's engineer after clearance
All the pre-commissioning tests like IR values, no load current, full load current,
dielectric test etc shall have to be carried out by the party in presence of OIL Engineer at
GENERAL NOTES FOR INSTALLATION, TESTING AND COMMISSIONING.
Party should submit an undertaking with their offer confirming compliance to all point
mentioned in the headings A, B, C of this annexure.
All works of installation shall be carried out in complete with latest IS, IE rules and
National Electric Code.
All works of installation, testing and commissioning shall be performed by persons
having valid electrical license under the direct supervision of a competent service personnel of the party having a minimum experience of at least 5 years in installation and commissioning of HT transformers and possessing appropriate license valid for operating in ASSAM. Expert services are required from manufacturer of transformer at site for installation
Copy of license of all the persons engaged for installation and commissioning work
has to be submitted to OIL for approval before start of work.
All tests/ checks shall be done in presence of OIL's Engineer-in- Charge or his
The supplier should obtain the permit to work from Engineer - in- Charge of respective
Installation Managers before taking up work, if any.
The party shall be responsible for safe custody and proper storage of materials till
All tools and instruments and equipment required for installation, testing and
commissioning shall be arranged/ provided by the party.
All safety and local/government regulations shall be followed during installation,
testing and commissioning. Party shall be responsible for compliance to such regulations on
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