As-Built Engineering

Full As-Built Engineering Package

The complete drawing + data foundation · all 5 layers, delivered together.

P&ID, isometrics, single-line diagrams, general arrangement, asset register · all verified, all consistent, all delivered together as one Brownfield Digital Engineering package. The geometric, schematic, electrical, spatial, and asset layers of your digital twin · in one engagement.

Why this matters

Why the unbundled approach to as-built has been the wrong answer

Historically, plants procure as-built work in silos · P&ID update from one contractor, isometric generation from another, SLD from a third. The result is overlapping scopes, drawing inconsistencies, and three handovers that don't tie together. The full as-built package is one engagement, one LiDAR foundation, one verification walkdown, five consistent drawing layers, one digital twin handover. Plants in our roster have used this pattern to cut as-built costs by 30-40% and timeline by 50% vs the unbundled approach.

Method

How we deliver Full As-Built Package

CEng MIE India-signed deliverables · LiDAR-powered where applicable · digital twin handover ready · routes to the As-Built Engineering practice lead within 24 hours.

Scan + control

LiDAR scan + survey control across the in-scope area. One scan, all 5 deliverables built from it.

Combined field verification

One walkdown verifies P&ID line connectivity, isometric extraction, SLD cable tags, GA equipment layout, asset register tag plates. Less time, fewer permits, better consistency.

Parallel drawing build

P&ID + isometric + SLD + GA drawn in parallel by discipline-specific teams · all referencing the same scan + verification source.

Cross-layer QC

Every link verified · P&ID line tag matches isometric line list, SLD bus tag matches asset register, equipment tag identical in GA + P&ID + asset register.

Single handover

All 5 deliverables packaged together. Native formats. Digital twin platform handover (Wistwin / AVEVA / Bentley / Hexagon).

Standards + compliance

Built to the standards your auditors quote

Reports reference the international and national standards your regulators, F500 audit teams, and corporate process safety leads cite. Every deliverable signed by a Chartered Engineer (CEng MIE India).

All standards listed in P&ID + Iso + SLD + GA sub-services (ISA S5.1, ASME B31.3, IEEE 315, ASME Y14, ISO 14224)
USIBD LOD 350-400 deliverable specification
ISO 19650 BIM information delivery
API RP 17V digital twin reference architecture
ISO 55001 asset information management

Anonymous case anchors

What this looks like in production

Three anonymised engagements from our verified roster · quantified outcomes, no client names disclosed without written permission.

Refinery, India · full unit as-built

Crude Distillation Unit · all 5 deliverables in one 18-week engagement. 30% saving vs prior unbundled approach. Digital twin handover to Wistwin.

Pharma, USA · GMP-validated full package

Cleanroom + utility complete as-built. GMP validation evidence chain built in. FDA pre-approval ready.

Petrochem, Singapore · digital twin foundation

Full as-built across 3 process units · foundation for AVEVA digital twin. 14-month digital twin programme accelerated to 9 months.

Frequently asked

Full As-Built Package · the practical questions

Do we have to take all 5 layers, or can we pick?

All 5 unlocks the cross-layer consistency value. But we routinely deliver 3- or 4-layer scopes when scope or budget requires (most common: P&ID + Iso + SLD).

How does pricing work?

Per-m² scan + per-deliverable-layer factor. The bundled price is ~30% less than 5 separately-procured layers · less mobilisation, one walkdown, shared LiDAR.

What's the typical timeline?

Unit (10,000 m²): 12-16 weeks. Full small plant (50,000 m²): 20-26 weeks. Refinery (200,000+ m²): phased over 6-12 months, unit by unit.

Does the handover include native models or just PDFs?

Native models in your platform of choice · SmartPlant, AVEVA, AutoCAD Plant 3D, Bentley OpenPlant, IFC, Wistwin. PDF/A archive set delivered alongside for long-term retention.

Is Wistwin handover mandatory?

No. Wistwin is our sister platform · we deliver Wistwin-native when that's your destination, but we deliver in your chosen platform regardless. We've handed over to AVEVA, Bentley, Hexagon, AspenTech, and pure CAD destinations.

Scope your Full As-Built Package engagement.

Tell us your plant, region, and scope · a named Chartered Engineer responds within 24 hours.

4 fields. No phone interview to start.
Per-discipline routing to the As-Built Engineering practice lead.
Anonymous case anchors sent with first reply.
Same-day callback for deadline-driven enquiries.

As-Built Engineering Scoping

P&ID + Iso + SLD + GA · LiDAR-powered · routes to As-Built Practice.