Whessoe Engineering Limited > Experience > LNG Tanks and Terminals > OPAL Double Wall Ethylene Tanks Dahej, India

OPAL Double Wall Ethylene Tanks Dahej, India

Client: Vijay Tanks & VesselsOpal

Year Complete: 2013


Project Details:

The project comprised downstream storage for Ethylene from the cracker including pumping and vaporisation facilities at the Dahej Petrochemical Complex in India.


The requirement of 2 x 24,000m3 net capacity Ethylene storage tanks to act as a buffer storage for ethylene product between the Naptha Cracker unit and downstream polymer units.


Whessoe’s Scope:

Engineering, Construction Support, Commissioning Assistance


Whessoe performed basic and detail engineering design of the Ethylene tanks to a first flange battery limit, with the structural scope being split between Whessoe and Technip India (TPIL).


The tanks comprised a 9% Ni Inner tank and reinforced concrete outer tank


Whessoe also performed the basic process engineering of the Balance of Plant (BOP) and oversaw the detailed BOP engineering design documents produced by TPIL.


During the Construction phase Whessoe provided specific Engineers to support the Client.

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