Overall File Structure
- Last UpdatedAug 19, 2025
- 1 minute read
The general file header record sequence may be summarized as follows:
|
Record No. |
Contents |
|---|---|
|
-5 |
Originating program(s) |
|
-3 |
Title block information |
The overall record sequence for each pipeline may be summarized as shown below.
|
Record No. |
Contents |
|---|---|
|
-6 to 19 |
Pipeline header information (see Section B.3) |
|
50 |
Spool count plus drawing number/number of drawings |
|
60 |
Centreline length summary by nominal size (bore) (including a dimensional units indicator). For any sheet containing more than six bores, additional type 60 records will be written. The multiple type 60 records will be consecutive in the file. |
|
100 |
Tube -Records for individual parts listed items (see Section B.3) |
|
-20 |
Item Code |
|
-21 |
Description |
|
200 |
Fitting (Fabrication type) |
|
-20 |
Item Code |
|
-21 |
Description |
|
300 |
Flange |
|
-20 |
Item Code |
|
400 |
Gasket |
|
-20 |
Item Code |
|
-21 |
Description |
|
500 |
Bolt |
|
-20 |
Item Code |
|
-21 |
Description |
|
600 |
Valve or other in-line component |
|
-20 |
Item Code |
|
700 |
Instrument |
|
-20 |
Item Code |
|
-21 |
Description |
|
800 |
Support |
|
-20 |
Item Code |
|
-21 |
Description |
|
900 |
Miscellaneous |
|
-20 |
Item Code |
|
-21 |
Description |
|
1000 |
Miscellaneous |
|
-20 |
Item Code |
|
-21 |
Description |
|
-6 to 19 |
Next pipeline header information (Repeats for any number of pipelines or drawings) |
|
50 to 1000 |
Next pipeline information and fittings etc (Repeats for any number of pipelines or drawings) |
Note: Only those categories which actually occur in the pipeline will be listed.