Engineering Support for Skid & Modular Package Fabricators
Skid and modular package design combines structural, piping, and equipment layout scope on a single deliverable set. Structural support (foundations, lifting, structural steel design) is included here rather than treated as a separate service, since it is rarely requested independently of the skid itself.
Codes & Regional Compliance
- United States / global baseline: AISC structural steel design provisions for the skid frame, combined with the relevant ASME basis for any pressure-retaining equipment mounted on the skid.
- Canada: structural design to CSA S16 where the skid is fabricated for Canadian deployment, with CRN registration support for any pressure-retaining components mounted on the package.
- Europe: structural design to Eurocode 3 (EN 1993) where specified, alongside PED documentation for any pressure-retaining equipment on the skid.
- Australia: structural design to AS 4100, alongside AS 1210/4343 documentation for any pressure equipment mounted on the package.
- Transport & lifting: regardless of destination, structural design accounts for transport loading and lifting/rigging conditions distinct from in-service operating loads, which is frequently the governing case for skid structural members.
Design Checks Unique to Skid & Modular Packages
- Structural lifting point design and verification: sized for rigging dynamics, not just static operating weight.
- Piping flexibility within the skid envelope, and at the skid-to-site tie-in points where the package connects to permanent plant piping.
- Equipment layout and clash checking across structural, piping, and equipment scope on a single model.
- Transport loading distinct from operating loading: road, rail, or marine transport conditions checked separately from in-service structural loading.
Typical Deliverable Set
- Structural GA drawing for the skid frame
- Piping isometrics within the skid envelope
- Equipment layout drawing showing structural, piping, and equipment scope together
- Lifting and rigging drawing with verified lift point design
- BOM across structural and piping scope, fabrication drawings for the frame
Common Mistakes / Revision Triggers
- Lifting points sized for operating weight but not checked against rigging dynamics or lift angle
- Piping flexibility not checked against the actual skid-to-site tie-in point, only against in-skid routing
- Structural code basis assumed from habit rather than confirmed against the skid's actual destination market
Common questions
Frequently asked questions
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