Technical data

CHAP-04.09 INSTRUMENTATION & CONTROL
Page 2 of 15
For high level interlock, suitable contact type level switches to be
considered.
07. If required, air purging of level sensor (radar type) will be provided. All
necessary tubes/pipes, valves, pipe fittings etc. for the same will be
provided by Contractor.
08. The field signals which are to be interfaced with the I/O system or Field Bus
interface modules of automation system, will be connected to the nearest
Remote I/O stations of the automation system considered for that area/ unit.
Suitable junction boxes will be considered as per the finalized requirement.
The cabling activities will be carried out as per the finalised cable schedule
and wiring & termination drawings of the Contractor.
09. All the instrumentation equipment will be brand new & supplied from the
latest product ranges of reputed manufacturers as per the List of Preferred
Makes, indicated at clause no. 04.09.06. Employer/ Consultant reserve the
right of selecting particular make and model of instrumentation equipment
with a view of standardisation of the whole plant. Contractor will comply with
such requirements. In case, certain instruments to be supplied by
Contractor as per his standard design and system requirement whose make
has not been indicated in the document, Contractor will propose make of
such items with credentials and catalogues for Employer/ Consultant‘s
consideration.
10. Contractor will execute complete instrumentation package on turnkey basis
to the satisfaction of Employer/ Consultant. Contractor will comply with all
the requirements indicated under General; Scope of Work and Supply; List
of measurement, control, alarm & interlock; Submission of drawings &
documents and other related clauses/ annexure included in this document.
11. Temperature measurement under package units & motors will be connected
directly to respective automation system‘s temperature input card.
12. All correspondences / documents will be in English language and for all the
data, drawings & documentation metric or SI units will be followed.
04.09.02 SCOPE OF WORK AND SUPPLY
Contractor‘s scope of work and supply will include design; engineering;
manufacture/ procurement; assembly; calibration; shop testing; inspection
at works & at site; painting; packing; transportation to site including loading,
unloading, storage & handling of all instrumentation equipment including
electrical accessories, cables, pipes, erection accessories, panels/ cabinets
and all associated hardware, as required for completeness of