standard specification for erection tender - GAIL

5.2 After placement of purchase order, vendor shall submit certified drawings and
specification sheets for each chromatograph which shall include the following as a
minimum:a)
Overall dimensions in mm for each sub system and its weight.
b) Detailed interconnection diagram for wiring, process piping and tubing.
c) System wiring diagram including chromatograph, programmer and
d)
communication interface.
Installation details.
e) Detailed operating and maintenance manuals for each sub system.
f) Cabling details including shielding/grounding requirements.
g) Factory testing and inspection requirement.
5.3 Vendor shall provide certificate for all the tests indicated in para 4.0 of this
specification. In addition, vendor shall provide the 'Manufacturer's Certificate of
Conformity to Purchaser's Specifications' as per clause 2.2 of DIN-50049.
5.4 The final as-built documentation shall be supplied by the vendor properly bound in A4
size i.e. 216 x 279 mm sheets. All drawings and sketches shall be in multiple of A4 size
but shall be folded to this size.
6.0 DESIGN AND CONSTRUCTION REQUIREMENTS
6.1 GENERAL DEFINITIONS
The following components of the gas chromatograph system are defined as below:
a) Chromatograph:- A stand alone, unit architecture based microprocessor
controlled instrument consisting of chromatograph proper, sample conditioning
system and programmer which is capable of working and generating hardwired
and serial outputs without the aid of any external device.
b) Programmer:- A microprocessor based device which is a part of chromatograph
and controls the overall functioning of the system and also provides hardwired
analogy and serial outputs.
c) Communication Interface:- A high level microprocessor based device that can
"talk" to a number of programmers and does the job of data collection,
concentration and providing a single serial interface between chromatograph
system and purchaser's DCS or host computer system.
STANDARD SPECIFICATION SPECIFICATION REV-0
GAIL (INDIA) LTD
FOR
NEW DELHI
GAS CHROMATOGRAPH S-08-02-025 Page 7 of 17
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