HRIDAY/Team Garud • SIH26117

REFINERY CAD RECORD • SHEET PID-2026-CRK-001RASTER SCAN

CRUDE PREHEAT & VACUUM FRACTIONATION UNIT

Engineering Evidence Ingestion

Decades of unlinked paper blueprints, isolated SOP binders, and unindexed equipment specs.

In operating refineries, critical topology is trapped in 40-year-old drawings. Manual line tracing creates compounding operational friction during turnaround maintenance.

SCALE: 1:50 METRIC • ISO 10628PHYSICAL PLANT ➔ ENGINEERING EVIDENCE

SIH 2026 Sovereign Industrial AI Workbench • Team Garud

Industrial intelligence without exposing industrial knowledge.

HRIDAY transforms brownfield engineering documents into evidence-grounded, explainable maintenance intelligence while keeping topology decisions deterministic and human-controlled.

Enter Sovereign Workbench Scroll to Watch Transformation

Scroll down to initiate pipeline reconstruction

EVIDENCE LOADED: CRUDE FEED SUBSYSTEM P-101 [DEMO FIXTURE]

Act II • From Pixels to Deterministic Geometry01 • Raster Blueprint

40-year-old scanned raster paper with noise, compression artifacts, and unindexed geometry.

TIMELINE PROGRESS0%

+ [ISO GRID: A1-D4] • SHEET: PID-2026-CRK-001 (DEMO FIXTURE)

SCALE: 1:50 METRIC • DIN EN ISO 10628

Visual Representation of Pipeline • Not Live Backend Output

Raw Scanned P&ID

Document Ingestion

Perception & OCR

Pipe Line Extraction

Port & Endpoint Snapping

Junction & Crossing Arbitration

Deterministic Topology

Act III • The Graph Emerges in 3DNetworkX Topology Extrusion

2D P&ID entities physically lift out of the blueprint into an authoritative 3D knowledge graph with provenance tethers.

CONNECTED EDGES0 / 4 COMMITTED

DEMO FIXTURE

P&ID COORDINATE PLANE (BASE)➔3D NETWORKX KNOWLEDGE GRAPH

Visual Representation • Not Live Backend Output

PROVENANCE-ANCHORED MULTIGRAPH:V-101 [Suction]➔P-101 [Feed Pump]➔XV-201 [Discharge MOV]+DR-101 [Drain]

0 UNVERIFIED EDGES FABRICATED

Act IV • The Governed Agent01 • Ingestion

Constrained natural-language reasoning executing governed NetworkX graph routines with dual-evidence grounding.

CONTROLLED DEMO FIXTURE

ENGINEERING QUERY:

"Analyze pump P-101 and prepare an isolation summary."

TARGET RESOLVED: P-101

GOVERNED NETWORKX TRAVERSAL (DEMO)RADIUS: 2 HOPS

SUCTION BOUNDARY:V-101 ➔ HV-101 (Manual Gate)

DISCHARGE BOUNDARY:P-101 ➔ XV-201 (Motorized MOV)

BLEED POINT:DR-101 (1/2" Casing Drain to Sump)

CLASSIFIED INTENT & SAFETY GATEREAD-ONLY QUERY

Intent: MAINTENANCE_ISOLATION_PLAN • Target: P-101

Statutory Safety Check: Actuation commands (trip/open/close) rejected.

# Governed NetworkX Topology Traversal Routine

subgraph = topology_graph.extract_neighborhood(target="P-101", radius=2)
boundaries = topology_graph.find_isolation_boundaries(
source="P-101", valve_types=["MOV", "HV", "DRAIN"]
)

DUAL-EVIDENCE GROUNDINGIMMUTABLE PROVENANCE

P&ID COORDINATES

PID-2026-CRK-001

[X: 240mm, Y: 290mm]

SOP PROCEDURE

SOP-2026-HYD-001

Clauses 4.1 – 4.8

LOTO ISOLATION PACKAGE COMPILEDDEMO FIXTURE

Synthesis time varies by document complexity • 3 Physical Boundary Tags Ready for PTW Export

Query Received

Intent Classification

NetworkX Formulation

Topology Traversal

Evidence Grounding

Isolation Package

Act V • Human Verification GateConstitutional Invariant

Ambiguity is quarantined, never hallucinated. AI proposes. Evidence supports. Human decides.

DEMO FIXTURE • BELOW 0.90 GATE

CASE: VER-2026-088 [DEMO FIXTURE]

QUARANTINED

TARGET INSTRUMENT:PI-101 (Suction Pressure Gauge) [Demo Fixture]

CONFIDENCE RATING:0.88 (Below 0.90 Gate)

CAD COORDINATE:Sheet PID-2026-CRK-001 [215mm, 310mm]

DILEMMA: Faded impulse line crossing 6" suction header without an explicit junction dot. Excluded from active topology pending verification.

Quarantined. Connection excluded from active isolation topology.

Lead Operations Engineer Sign-off (Demo Simulation):

CAD SUB-MILLIMETER FORENSIC LENS (DEMO FIXTURE)

ISO COORD: [215, 310]

AUDIT RECORD: SHA-256 PROVENANCE LOGGEDSTATUTORY AUDIT READY

AI PROPOSES→EVIDENCE SUPPORTS→HUMAN DECIDES

Zero Autonomous Actuation • Read-Only Workbench

Act VI • Product Transition

Enter the actual sovereign system.

Every transformation demonstrated in this story is active inside the HRIDAY Sovereign Workbench. Launch directly into any specialized engineering workstation.

Launch Full Workbench Inspect P&ID Drawing

P&ID Vector Canvas

Sub-millimeter CAD

Interactive SVG drawing plane with pan/zoom, ISO grid readout, and bounding box inspection.

1200 x 680 mm CADOpen

Topology Multigraph

NetworkX Core

Directed topology graph with confidence bounds, PFD ranking, and physical CAD spatial layouts.

28 Nodes • 31 Edges (Demo)Open

Verification Signoff Desk

Human Gate

Quarantine desk for low-confidence tags and ambiguous line crossings. Direct CAD zoom to disputed points.

Zero Actuation GateOpen

LOTO Isolation Synthesis

Refinery Safety

Synthesizes Lockout/Tagout isolation work packages cross-referencing P&ID topology and SOP clauses.

Synthesis time varies by document complexityOpen

Evidence Provenance Desk

Auditable Provenance

Every graph edge links directly to sub-millimeter bounding box coordinates and SOP text clauses.

Immutable LedgerOpen

Natural Language Studio

Governed LLM

Natural language query interface bound to governed read-only graph queries with citations.

No Cloud EgressOpen

Statutory Sovereignty Guardrails

Sovereign On-Premise Architecture

Engineered for confidential PSU critical infrastructure (ONGC, IOCL, GAIL). Zero external telemetry, loopback-only application enforcement, and complete data confidentiality.

Local-First Loopback Enforcement

Bound strictly to host interfaces (`127.0.0.1`). Sovereignty monitor continuously audits external socket attempts and logs network containment.

Constitutional Safety Invariant

Strictly rejects plant actuation commands (`trip`, `shutdown`, `open valve`). Acts strictly as a read-only, auditable intelligence copilot.

Enterprise SAP PM & e-PTW Ready

Exports deterministic RFC-compliant JSON work packages directly into existing Permit-to-Work and Plant Maintenance systems.