standard specification for erection tender - GAIL

Class/
Rating
A1A/
150
A3A/
150
A4A/
150
A93A/
150
B1A/
300
B4A/
300
D1A/
600
D4A/
600
J2A/
150
Basic
Material
GAIL (India) Limited
New Delhi
TABLE – 2
Spl. Reqt. C.A. (mm) Service
Carbon Steel NON IBR 1.5 NON-CORROSIVE PROCESS-FLAMMABLE/NON
FLAMMABLE,NON LETHALHYDROCARBONS,
AMMONIA , STEAM & CONDENSATE (NON-IBR):
UTILITIES(WATER,INST AIR, PLANT AIR ,NITROGEN,
CARBONDIOXIDE) BEYOND A3A AND A10A, AND LUBE
OIL BEFORE THE FILTER.
Carbon Steel NON IBR 1.5 NON CORROSIVE
CATEGORY "D"
UTILITIES
FLUID –
(ABOVE GROUND)
COOLING WATER,
INSTRUMENT AIR, PLANT AIR, INERT GAS, CARBON DI
OXIDE (DRY), NITROGEN, CONDENSATE, BOILER FEED
WATER (NON IBR). THIS CLASS DOES NOT COVER
UNDERGROUND PIPING NOR THE FIRE WATER
Carbon Steel LOW TEMP
SERVICE
1.5
PIPING MATERIAL SPECIFICATION -
CAPACITY AUGMENTATION OF AURAIYA-
JAGDISHPUR PIPELINE (PHASE-I)
SERVICE.
NON CORROSIVE PROCESS-FLAMMABLE / NON-
FLAMMABLE, NON-LETHAL-BELOW - 29DEG C AND
UPTO -45 DEG C.HYDROCARBONS, XYLENE,
METHANOL,NH3, GAS FLARE ETC.
Carbon Steel NON IBR 1.5 FIRE WATER (ABOVE GROUND / UNDER
GROUND)
Carbon Steel NON IBR 1.5 NON CORROSIVE PROCESS - FLAMMABLE / NON
FLAMMABLE, NON LETHAL - HYDROCARBONS,
AROMATICS, AMMONIA, SWEET GAS, FLUSHING OIL
AND OTHER UTILITIES -MP CONDENSATE,
INSTRUMENT AIR, PLANT AIR, NITROGEN, AMMONIA
GASETC. ABOVE CLASS 'A1A'.
Carbon Steel LOW TEMP
SERVICE
1.5 NON CORROSIVE PROCESS-FLAMMABLE/ NON
FLAMMABLE, NON LETHAL-BELOW-29 DEG C AND
UPTO -45 DEG C HYDROCARBONS, XYLENE,
METHANOL, NH3, GAS FLARE ETC.
Carbon Steel NON IBR 1.5 REGASIFIED LNG/ NATURAL GAS
Carbon Steel LOW TEMP
SERVICE
Carbon Steel
(Galv.)
1.5 NON CORROSIVE PROCESS-FLAMMABLE/ NON
FLAMMABLE, NON LETHAL-BELOW-29 DEG C AND
UPTO -45 DEG C HYDROCARBONS, XYLENE,
METHANOL, NH3, GAS FLARE ETC.
NON IBR 0 POTABLE WATER (ABOVE GROUND ONLY), FIRE
WATER-SPRINKLER SYSTEM AFTER ORIFICE
CORROSION ALLOWANCE: Above mentioned corrosion allowance is only for station piping.
SPECIFICATION REV-0
0015-01-05-02-001
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