Piping Fabrication Isometric
Line 12"-31-P135-11B · MP-2343-02005 SHT.1
Illustrative sample — generic anonymized isometric, no real company affiliation
Drawing viewerScroll to pan · sample render
Drawing Info
Line No.12"-31-P135-11B
SheetMP-2343-02005 SHT.1
Cont. on SheetISGP-U40300
StatusHOLD
Design Conditions
Pipe Class13E
Design Pressure14 Barg
Design Temp-5/100 °C
Test Pressure21 Barg
Test MediumWater
Fabrication
PWHTNone
InsulationNone
Radiographic Testing20%
Ext. PaintingPer ref. spec
Hold & Notes
HOLD: Awaiting PSV dimension from vendor.
- This basic design isometric shall be developed to fabrication isometric incorporating all necessary details by the erection contractor.
- All dimensions are in mm.
- Contractor shall verify final tie-in dimensions prior to fabrication & installation.
- For external painting specification refer to the referenced painting spec document.
Referenced Lines
12"-31-P135-11B
8"-31-P134-13E
CONT. ON SHT ISGP-U40300
Illustrative sample drawing — generic, anonymized piping isometric example used for reference/education. No real company or project affiliation.
main_view94% conf.
Isometric Pipe Routing
OrientationPlant North arrow
CalloutsItems 1–6
Line refs12"-P135-11B / 8"-P134-13E
title_block95% conf.
Pipe Class / Design Data
Pipe Class13E
Design Pressure14 Barg
Test Pressure21 Barg
notes92% conf.
Hold & General Notes
HoldAwaiting PSV dimension from vendor
Notes4 active fabrication notes
BOM Table Region
6 line items — routed to the BOM tab rather than shown as a static region.
6Line Items
13EPipe Class
14Design Barg
| Item | Code | Qty | Unit | Size | Description | Type |
|---|---|---|---|---|---|---|
| 1 | P | 0.5 | M | 8" | Pipe, SMLS, ASTM A106 GR.B / API 5L GR.B / A53 GR-B, Sch.80, BE, ASME B36.10 | Pipe |
| 2 | RC | 1 | PC | 8"x6" | Reducer Concentric, Sch.80x80, BW, ASTM A234 WPB, ASME B16.9 | Fitting |
| 3 | F | 1 | PC | 6" | Weld Neck Flange, Class 300, RF, ASTM A105, ASME B16.5 | Flange |
| 4 | G | 1 | PC | 6"x6" | Spiral Wound Gasket, CL300 SS316L, Graphite Filled, CS Outer Ring, NACE | Gasket |
| 5 | — | 12 | SET | 6"x6" | Stud Bolt & Nuts, 3/4" x 150mm, ASTM A193 B7M, 2 Hvy Hex Nuts A194 GR.2M | Bolting |
| 6 | VPS | 1 | — | 6"x6" | PSV, 300#x150# (by vendor), ref. 3I.1-PSV-704 A&B | Instrument |
Rolled up from this sheet's embedded Bill of Materials. A full project MTO would aggregate this table across every isometric sheet sharing this line number.
Drawing Info
Dwg No.121144
RevisionD
TitleBi-Plane Topmark Disk
ScaleNone
Date6 Jan 91
Organization
AgencyU.S. Coast Guard HQ
BranchCivil Engineering
DesignedR.B.
DrawnS.M.
ApprovedR.J. Wells
Tolerances
DimensionsInches, ±1/8
ReferenceStand dwg. 121138
Notes (paraphrased, 4 of 4 active)
- Disks mount on an aluminum topmark stand — see civil engineering drawing 121138 for stand details.
- Plywood may be MDO or HDO grade.
- Finish in black or red; elastomeric film or paint acceptable, sealed at edges if film is used.
- Quantity depends on stand height: eight 10" black disks for the tall stand; eight 5" black or four 10" red disks for the short stand.
Sample drawing — U.S. Coast Guard Headquarters, Civil Engineering (a U.S. federal government work, public domain). Shown for extraction demo purposes.
main_view97% conf.
Item 1 — 10" Radius Bi-Plane Disk
Radius10"
Thickness1/2"
MaterialPlywood
Dim. chain4–6–6–4 (20" tot.)
ReferenceSee Detail A
detail95% conf.
Item 2 — 5" Radius Bi-Plane Disk
Radius5"
Thickness1/2"
MaterialPlywood
Dim. chain2–6–2 (10" tot.)
detail92% conf.
Detail A — Mounting Hole
Hole dia.5/16"
Offset1/2" ±1/16"
Applies toItem 1
2Line Items
—Fixed Qty
| Item | No. Req. | Description | Material | Remarks |
|---|---|---|---|---|
| 1 | — | 10" Radius Bi-Plane Disk | Plywood | 1/2" thick, see notes 2–4 |
| 2 | — | 5" Radius Bi-Plane Disk | Plywood | 1/2" thick, see notes 2–4 |
Quantity is governed by Note 4 (depends on stand height) rather than a fixed count printed on this sheet — extracted as-is, not backfilled.