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Transformer Erection Checklist

This document is a checklist for transformer erection that contains 20 check points to ensure proper installation. It includes checks for the installation manual, lifting equipment, condition during erection, placement according to drawings, earthing connections, installation of accessories, cabling, oil filling, valve positions, air release, breather installation, control cabling, and connection of power cables. Upon completion, the checklist is signed off by the contractor, manufacturer, and customer to verify that erection was performed according to specifications and the transformer is cleared for pre-commissioning checks.

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3K views2 pages

Transformer Erection Checklist

This document is a checklist for transformer erection that contains 20 check points to ensure proper installation. It includes checks for the installation manual, lifting equipment, condition during erection, placement according to drawings, earthing connections, installation of accessories, cabling, oil filling, valve positions, air release, breather installation, control cabling, and connection of power cables. Upon completion, the checklist is signed off by the contractor, manufacturer, and customer to verify that erection was performed according to specifications and the transformer is cleared for pre-commissioning checks.

Uploaded by

mohan babu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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CHECKLIST FOR TRANSFORMER ERECTION

REPORT NO & DATE : /ELE/003 Date:


PROJECT: CONTRACTOR:

TRANSFORMER TAG NO:

RATING PLATE DETAILS:

LAY OUT DRAWING NO:

TRANSFORMER DWG NO:

TEST DATE : AMB TEMP:

Sr No CHECK POINTS CONT RIBO CUST Observations

1 Manufacturer's Installation Manual is available for reference

2 Suitable capacity of Hydra / Crane used for the Erection

3 Slings used in Erection are approved by Safety officer

4 No Dent, Crack & Damage observed on Transformer during

Lifting, Handling & other Erection activities.

5 All the H/W for the Wheels / Rollers assembled & Tightened

as per the Torque requirement.

6 Transformer is placed on the Rail / Channel as per Lay out


dwg

7 Transformer wheels / Rollers are locked on both Sides after

fixing final location

8 Top Plate Level is checked by Water Level & Satisfactory

9 Testing of all transformer Earthing pit is complete &


satisfactory

10 All the Earthing Connections on the Body / Neutral of

transformer are connected by suitable h/w.

All Accessories like Radiators, Bushings, CT's, Bucholz Relay,

Conservator, Breather, OSR, MOLG, POLG, Fans, PRD, Rapid


11 Pressure Relay, Terminal Boxes, NGR, Level Gauges, Valves,

Pipes, Supports, Jumpers, Leads, H/w, and Gaskets etc. are

installed as per the drawing.

Cabling & Termination of Transformer accessories such as


12 fans, Relays, CT's, OTI / WTI, MOLG, NGR, Pumps, etc. are

pg. 1
complete as per the scheme & Loop checked.

13 Earthing of Radiators, Marshalling Boxes, Fans, Terminal

Boxes, NGR etc. are completed

14 Oil filling: Oil is filled to the Transformer through Filtration kit


and Time Vs. Temperature Vs. BDV is monitored.

15 Oil is filled as per the Levels specified in the drawing.

16 Positions of all valves are kept as per the Valve Schedule


Plate.

Air is released through all the Air Release Plugs of OLTC


17 Tank, Main Tank, Radiators, Conservator, Buchholz relay, etc.
as per the drawing for 2 -3 times in 24 hrs. after the Oil
Filling.

18 Breather is installed along with oil seal & Dry Silica gel.

19 Control cabling & loop check completed as per cable schedule

20 Power Cables, Bus ducts & Overhead lines (as applicable) are

connected as per the Drawing and checked for Tightness

Conclusion: The Transformer Erection is complete as per Manufacturer's Erection Manual and
cleared for Pre-commissioning Checks (Y /N):

Observations:

Contractor Ribo Customer

Name

Sign

Date

pg. 2

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