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Equipment Numbering System in Buildings, Plants and Refineries

1.0 Scope ………………………………………………………. 2.0 Numbering System Format …………………………..Table –I

General Equipment Codes …………………………..
Table –II

Special Equipment / Solids Handling …………………………..
Table –III

Driver Symbols ……………………………………………………….

 

1.0 Scope
This standard outlines the procedure for assigning equipment Tag numbers.
This numbering system assigns a unique number to each equipment in a plant.
1.1 In an existing plant, the assignment of equipment Tag numbers shall be as per
respective affiliate numbering procedure.
1.2 SABIC E&PM approval shall be required for assignment of any number.
1.3 All equipment within a vendor-supplied package shall also be assigned Tag numbers
according to this procedure.

2.0 Numbering System Format

Equipment Numbering System in Buildings, Plants and Refineries

Equipment and Driver Symbol: This is two or three character as defined in Table-I,II &
III.
Unit and Sequence Number: This is four (4) digits, two (2) digits will be for unit
number. And two (2) digits will be for sequence number.
The assignment of unit/sequence number shall be as follows:
a) New plants in grass root area: EPC contractor shall assign unit
numbers to the specific plant. This numbers shall be from 00 to 99.

b) New plant in existing area: SABIC E & PM will assign the Unit
numbers upon request from EPC contractor.
c) sequential shall be starting with 01.

Suffix: One alpha character to identify each of the multiple equipments in a single duty.
Example: P-2010A
PM-2010A

Table-I
General Equipment Code

Mixing Equipment / Agitators A
Air Cooled Condensing Unit AC
Air Handling Unit AH
Blowers B
Boilers BO
Columns / Towers C
Centrifuges CE
Cooling Towers CT
Mechanical Drives D
De-aerators DA
De-salters DE
Dryers DR
De-superheater DS
Exchangers / Air Coolers E
Ejectors EJ
Expanders ET
Filters/Strainers F
Fans FA
Fired Heaters FH
Flare FL
Gears G
Incinerators IN
Compressor K
Silencers MU
Pumps P
Packaged Units PK
Reactors R
Refrigeration Package RE
Speciality Items SP
Sumps/Ponds/Pits SU
Tanks TK
Vessels & Drums V
Miscellaneous Equipment X
Power Generators Z

 

 

 

Table-II

 

Special Equipment / Solids Handling

Elevators EL
Hoists/Cranes HO
Hoppers HP
Laboratory Equipment in Central Lab Building LP
Laboratory Equipment in Utility Control Room LU
Mobile Equipment MB
Mixers MD
Inlet Screens S
Sample Cooler SC
Screens SE
Thickeners TH

Table-III Driver Symbol

Diesel Engine D
Gas Turbines GT
Electric Motor M
Steam Turbines ST

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