220-66-kv-xmer-on-line-nifes-r4-sept-08 - Gujarat Electricity Board

GETCO/E/TS – XMER01power/R4 Sept 08
1.30.5 TYPE TESTS ON BOUGHT OUT ITEMS:
1. Bushing (Type test as per IS:2099/IEC:137)
2. OLTC (Temp Rise of contact, Short circuit current test, Mechanical test &
Dielectric test as per IEC:214 and IP:55 test on driving mechanism box)
3. Buchholz relay (as per IS:3637) & IP-55 on terminal box
4. Air cell (Flexible air separator) – Oil side coating, Air side under coating, Air side
outer coating and coated fabric as per IS:3400/BS:903/IS:7016.
5. Oil pump – vacuum test, oil pressure test at 1 kg/cm2 for 24 hrs., Temperature
rise test by resistance method, IP-55 for terminal box.
6. Cooling fan and motor assembly – Free air delivery, Temperature rise, sound
level, running at reduced voltage, IP-55 for terminal box.
7. MOG & terminal box for IP-55 degree of protection
1.31 TESTS ON OLTC:
1.31.1 The various tests (routine and type) as stipulated in the IEC Publication No. 214-
19<strong>66</strong> (as amended up to-date) shall be carried out.
1.31.2 Type test certificate copies of oscillograms as called for in IEC publication 214 shall
be furnished by the supplier.
1.32 TEST REPORTS:
1.32.1 After all the tests have been completed 3 copies of each test report shall be furnished
to the GETCO for his approval prior to the dispatch of equipment. Soft copy of
test reports for tests results obtained from software shall be
submitted for approval and record.
1.32.2 All the reports of inspections like stage, acceptance, routine & type tests
carried out on each transformer including test certificates for bought out
items, in bound volume, shall be submitted before dispatch. Also one copy
shall be sent along with transformer.
1.33 FURTHER TESTS:
The GETCO reserves the right of having any other reasonable test carried out at his
own expense to ensure that the transformer compiled with requirements of this
specification.
1.34 LOSS/DAMAGES:
1.34.1 The Purchaser shall not be responsible for any damage to the equipment during
commissioning if such damage results from faulty or inadequate action.
1.34.2 Seller shall not be liable for any loss, damage or injury to property or persons at the
installation site unless such damages or injuries are caused by any and or
negligence of the supervising erector.
1.35 TECHNICAL AND GUARANTEED PARTICULARS:
The bidder shall furnish all guaranteed technical particulars as called for in, Section –
III, Schedule – A of this specification. Particulars, which are subject to guarantee,
Sign and Seal of Bidder Page 35 of 87