standard specification for erection tender - GAIL

a) Contractor shall be responsible for obtaining all statutory approvals, as applicable
for all instruments and control systems. The VENDOR shall be responsible for
obtaining necessary approvals, authorization and certification from local
Government / Local Statutory bodies, Authorized Inspector and Third Party
Inspection Agency as applicable.
b) In addition, equipments/instruments/systems located in the hazardous area shall
be certified by the local statutory authorities for their use in the area of their
installation. In general following certification shall be given:
• For all intrinsically safe/explosion proof/flameproof equipments/
instruments/systems or equipments with any other type of protection
allowable as per this package which are manufactured abroad and certified
by any statutory authority like BASEEFA, FM, UL, PTB, LCIE etc. should also
have the approval of Chief Controller of Explosives (CCOE), Nagpur.
• For all flame proof equipments manufactured locally (indigenously), the
testing shall be carried out by any of the approved test house like
CMRI/ERTL etc. The equipment shall in addition bear the valid approval
from Chief Controller of Explosives, Nagpur and a valid BIS license.
• For all intrinsically safe equipment manufactured locally (indigenously), the
testing shall be carried out by any of the approved test house like
CMRI/ERTL etc. The equipment shall in addition bear the valid approval
from Chief Controller of Explosives, Nagpur.
• Custody transfer approval from Nmi/PTB/NPL or equivalent body from the
country of origin.
• Design Approval of the complete skid including GAD & P&ID from
Nmi/PTB/NPL /equivalent body or original meter manufacturer for custody
transfer application.
• All the supplied gas cylinders shall have CCOE approval
• CCOE certificate for the foreign items shall be submitted during detailed
engineering, however Appropriate approval certificates from the country of
origin shall be provided with the bid
3.3.3.3 In general, intrinsically safe philosophy shall be followed for all transmitters.
Contractor to note that external barriers, shall be selected based on entity concept.
Typically barrier selection must be made based on the following:
i) Analog Inputs (4-20 mA): Series 5000 of MTL/ P&F KFD series/Eqv.
ii) Analog Outputs (4-20 mA): Series 5000 of MTL/P&F KFD series/Eqv.
iii) Proximity Inputs: Series 5000 of MTL/ P&F KFD series/Eqv.
GAIL (INDIA) LTD
NEW DELHI
SCOPE OF WORK
DOCUMENT NO. REV-0
0015-01-08-06-001-SW
Page 24 of 43
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