Generates engineering-standard drawings (P&ID, SLD, floor plans, isometric) with ISA-5.1 and IEEE symbol libraries in SVG/DXF format. Activates for drawing generation, diagram creation, blueprint packaging, and output formatting from verified engineering calculations.
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Generates engineering-standard drawings (P&ID, SLD, floor plans, isometric) with ISA-5.1 and IEEE symbol libraries in SVG/DXF format. Activates for drawing generation, diagram creation, blueprint packaging, and output formatting from verified engineering calculations.
Convert verified engineering calculations into standard engineering drawings: P&ID, SLD, floor plans, and isometric piping views with SVG/DXF output.
Activation: BlueprintPackage generation request, any drawing type request (P&ID, SLD, floor plan, isometric), SVG/DXF output formatting, or title block creation.
Key capabilities:
P&ID generation with ISA-5.1 symbol library (50 symbols) -- @references/symbols/symbols-pid.ts
Single-line electrical diagrams (SLD) with IEEE symbol library (30 symbols) -- @references/symbols/symbols-electrical.ts
Floor plan overlays with equipment placement and clearance checking
Isometric piping drawings with 30-degree projection math
Scale management for standard engineering paper sizes (A3, A1, D, E)
Title block templates with mandatory PE verification field
Drawing types:
Drawing Type
Standard
Primary Use
P&ID
ISA-5.1
Piping and instrumentation, fluid systems
SLD
IEEE
Single-line electrical diagrams, power distribution
Floor Plan
Site-specific
Equipment layout, spatial relationships
Isometric
ASME
3D pipe routing in 2D representation
Output formats: SVG (primary, web-renderable) and DXF (CAD import via svg2dxf).
When to use this skill:
User has verified engineering calculations (from fluid-systems, power-systems, or thermal-engineering)
User needs a deliverable drawing rather than numerical results
User needs to communicate design intent to contractors or stakeholders
Mandatory in every drawing:
ENGINEERING DISCLAIMER
This output was generated by an AI assistant and has NOT been reviewed
by a licensed Professional Engineer (PE). All calculations, drawings,
and specifications must be verified by a qualified professional before
use in any construction, installation, or operational context. Local
building codes, electrical codes, and plumbing codes may impose
requirements not captured in this output. The user assumes all
responsibility for verification and compliance.
ENGINEERING DISCLAIMER: All drawings generated by this skill must be verified by a licensed Professional Engineer (PE) before use in construction, installation, or operational contexts. This disclaimer is non-removable and applies to all output formats.
Full SVG/DXF pipeline details? See Deep Tier sections
Drawing Generation Pipeline
All drawing types share a six-step SVG generation pipeline:
Step 1: Layout Grid
Set up a coordinate system based on paper size and scale:
Paper: A1 (841x594mm at 1:50 scale -> drawing area covers 42m x 29.7m real-world)
Grid: 10mm base grid for component snapping
Margins: 20mm all sides, 50mm bottom for title block
Origin: Top-left at (20, 20)mm
Standard paper sizes:
A3: 420x297mm -- Small systems, detail drawings
A1: 841x594mm -- Standard engineering drawings
D: 864x559mm -- US D-size (ANSI D)
E: 1118x864mm -- Large systems, overall layouts
Standard scales: 1:20, 1:50, 1:100, 1:200, 1:500, NTS (not to scale)
Step 2: Component Placement
Place symbols from the symbol library at specified coordinates:
// Reference the ISA-5.1 library (from references/symbols/symbols-pid.ts)// or IEEE library (from references/symbols/symbols-electrical.ts)import { PID_SYMBOLS } from'./references/symbols/symbols-pid.js';
import { ELEC_SYMBOLS } from'./references/symbols/symbols-electrical.js';
constsymbol = PID_SYMBOLS['centrifugal-pump'];
// Place at grid coordinate with optional rotationconst placed = placeSymbol(symbol, { x: 150, y: 200 }, { rotation: 0 });
Step 3: Connection Routing
Route pipes and wires between components with automatic bend detection:
Pipes: Horizontal/vertical runs with 90-degree bends. No diagonal runs on P&IDs.
Wires: Same orthogonal routing. Use junction dots at T-connections.
Line weights: Process pipe (2px), instrument lines (1px), electrical (1.5px)
Line styles: Process (solid), instrument (dashed), electrical (dot-dash per ISA)
Step 4: Dimensions and Annotations
Pipe sizes along each run: 3" SCH 40 CS (3-inch Schedule 40 carbon steel)
Equipment labels: Tag numbers above symbols (P-101, HX-201, T-301)
Instrument balloons: Circle with tag number, line to instrument connection
Flow arrows: Filled triangles on process lines indicating flow direction
Step 5: Title Block Generation
import { TitleBlock } from'../../types/infrastructure.js';
consttitleBlock: TitleBlock = {
projectName: 'Data Center Cooling System',
drawingNumber: 'P&ID-001',
revision: 'Rev. A',
date: '2026-02-27', // ISO 8601drawnBy: 'Claude (AI-Assisted)',
checkedBy: 'VERIFY WITH LICENSED PE', // ALWAYS this value -- non-configurablescale: '1:50', // or "NTS"sheet: '1 of 3',
};
Title block occupies bottom 50mm of drawing. PE disclaimer printed in title block as non-removable text element.
Step 6: SVG Output
<svgxmlns="http://www.w3.org/2000/svg"width="841mm"height="594mm"viewBox="0 0 841 594"><!-- Drawing content: components, connections, dimensions --><!-- Title block with PE disclaimer --><textclass="disclaimer"x="20"y="560">
NOT FOR CONSTRUCTION -- Verify with Licensed PE before use
</text></svg>
For DXF output: Use svg2dxf library or generate DXF directly using the DXF R12/2000 ENTITIES section format. Include all layers: PROCESS, INSTRUMENT, ELECTRICAL, DIMENSIONS, TITLE_BLOCK, DISCLAIMER.
P&ID Generation (BLUPR-01, BLUPR-07)
P&IDs follow ISA-5.1 conventions. Load symbol library from references/symbols/symbols-pid.ts.
Required elements:
Process equipment (pumps, heat exchangers, tanks, vessels) with ISA tag numbers
All process piping with pipe class notation (size, schedule, material)
All instrumentation with balloon notation (TI-101, PI-201, FIC-301)
Control loops connecting field instruments to controllers
Valve manifolds with type (gate, globe, ball, butterfly, check, relief)
Line types: Process (solid heavy), instrument signal (dashed), electrical (dot-dash)
Tag numbering convention:
P-XXX: Pumps
HX-XXX: Heat exchangers
T-XXX: Tanks and vessels
V-XXX: Valves
TI/TT/TC-XXX: Temperature instruments (Indicator/Transmitter/Controller)
PI/PT/PC-XXX: Pressure instruments
FI/FT/FC-XXX: Flow instruments
LI/LT/LC-XXX: Level instruments
Data center cooling P&ID example elements:
CDU (Cooling Distribution Unit) as heat exchanger HX-101
Facility water supply/return lines (process lines, heavy solid)
Server rack coolant loop (secondary circuit, dashed to indicate closed loop)
Supply/return temperature instruments TI-101, TI-102
Differential pressure gauge DPI-101 across CDU
Isolation valves V-101 through V-104 (ball valves)
Strainer STR-101 on supply line
Check valve CV-101 on pump discharge
SLD Generation (BLUPR-02, BLUPR-08)
Single-line diagrams (SLDs) follow IEEE standard conventions. Load symbol library from references/symbols/symbols-electrical.ts.
Required elements:
Utility service entry point (top of diagram)
Main service disconnect and overcurrent protection
Bus topology: Main bus -> sub-panels -> load circuits
All protective devices (breakers, fuses) with amperage rating
Transformers with primary/secondary voltage and kVA rating
Loads with phase assignment and connected load in kVA/kW
Grounding symbols at each service point
SLD layout convention:
Power flows top-to-bottom (utility -> distribution -> loads)
Voltage levels decrease left-to-right (highest voltage on left)
Bus bars as horizontal lines; feeders as vertical lines
Protection devices (breakers/fuses) on vertical feeders before branch points
Data center SLD example structure:
Utility Service (480V 3-Phase 4W)
|
Main Switchgear (480V, 2000A MCB)
|
480V Main Bus
|-------------------------------|
| |
UPS Input Feeder (480V, 400A) MDP Feeder (480V, 600A)
| |
UPS (480V/208V, 300kVA) MDP-A (480V)
| |
208V/120V Distribution Bus PDU-A1 (208V, 100kVA)
|-------------| |
| | IT Loads (208V, ~80kW)
Panel-A Panel-B
(lighting) (receptacles)
Floor Plan Overlay (BLUPR-03)
Floor plans show equipment physical layout in plan view (top-down).
Conventions:
Scale reference bar in drawing (not just title block scale notation)
North arrow in upper-right corner
Equipment shown to scale with footprint dimensions
Clearance requirements shown as dashed offset from equipment boundary
Access corridors minimum 900mm (36") clear
Cable tray/conduit routing on ceiling grid shown as dashed lines
Emergency exit paths shown with directional arrows
Data center floor plan elements:
Server rack rows with hot-aisle/cold-aisle designation
CRAC/CRAH unit locations
CDU location with service clearance
Raised floor tiles with open perforated tiles marked
Overhead cable tray routing
UPS battery room with fire suppression boundary
Generator (if exterior) with fuel line routing
Coordinate system: Origin at lower-left structural column. All dimensions in millimeters. Grid on structural module (typically 600mm or 1200mm).
Isometric Drawing (BLUPR-04)
Isometric drawings show 3D pipe routing on a 2D plane.
Projection math:
X-axis (East): 30 degrees above horizontal, right
Y-axis (North): 30 degrees above horizontal, left
Z-axis (Up): vertical
Scale: All three axes use same scale length per unit distance
All pipe runs with line weight proportional to pipe size
Fittings (elbows, tees, reducers) at each direction change
Valves with type identification
Pipe dimensions along each run: length, nominal size, material
Elevation callouts at high/low points and each floor penetration
Support locations marked with triangle symbol
North orientation arrow (isometric north convention)
Flow direction arrows on main process lines
Piping isometric conventions:
Vertical pipes: drawn as vertical lines
Horizontal pipes running E/W: drawn at 30 degrees going right
Horizontal pipes running N/S: drawn at 30 degrees going left
Elevation changes: vertical line segment with elevation annotation
Scale Management
Scale selection based on system size and drawing purpose:
System Size
Recommended Scale
Paper Size
Single equipment
1:20
A3
Room/module
1:50
A1
Floor/building
1:100
A1 or D
Campus/site
1:200 or 1:500
E
P&IDs
NTS (schematic)
A1
SLDs
NTS (schematic)
A1
Scale annotation: Written as ratio ("1:50") in title block and as graphic scale bar on floor plans and isometrics. P&IDs and SLDs use "NTS" (not to scale) -- they are schematic, not dimensional.
Deep Tier (loaded on demand for complex drawing scenarios)
Advanced SVG Techniques
SVG symbol definition for reuse:
<defs><symbolid="centrifugal-pump"viewBox="0 0 40 40"><!-- Circle body --><circlecx="20"cy="20"r="15"fill="none"stroke="black"stroke-width="2"/><!-- Impeller blades (simplified) --><linex1="20"y1="5"x2="20"y2="35"stroke="black"stroke-width="1.5"/><linex1="5"y1="20"x2="35"y2="20"stroke="black"stroke-width="1.5"/><!-- Suction/discharge nozzles --><linex1="0"y1="20"x2="5"y2="20"stroke="black"stroke-width="2"/><linex1="20"y1="0"x2="20"y2="5"stroke="black"stroke-width="2"/></symbol></defs><!-- Place it: --><usehref="#centrifugal-pump"x="100"y="200"width="40"height="40"/>
Connection routing algorithm:
For orthogonal pipe routing between two points (x1,y1) and (x2,y2):
If delta-x > delta-y: route horizontal first, then vertical (L-shape)
If delta-y > delta-x: route vertical first, then horizontal
If points share x or y coordinate: direct line
For complex layouts: use intermediate waypoints to avoid equipment conflicts
Mark T-junction with filled circle (3px radius) where pipes cross a connected run
DXF R2000 generation pattern:
0
SECTION
2
ENTITIES
0
LINE
8 (layer name)
PROCESS_PIPE
10 (X start)
100.0
20 (Y start)
200.0
30 (Z start, usually 0)
0.0
11 (X end)
250.0
21 (Y end)
200.0
31 (Z end)
0.0
0
ENDSEC
0
EOF
Layers for DXF export:
PROCESS_PIPE: Heavy solid lines for process piping
INSTRUMENT_LINE: Dashed lines for instrument signals
ELECTRICAL: Dot-dash lines for electrical
EQUIPMENT: Equipment outlines
DIMENSIONS: Dimension lines and text
TITLE_BLOCK: Title block content
DISCLAIMER: PE disclaimer text (separate layer, always on, cannot be frozen in delivered files)
Multi-Sheet Drawing Sets
For complex systems, generate a drawing set with consistent numbering:
Drawing Set Structure:
PROJ-P&ID-001: Overall P&ID - System Overview
PROJ-P&ID-002: P&ID - Cooling Water System
PROJ-P&ID-003: P&ID - Chilled Water Distribution
PROJ-SLD-001: SLD - Main Power Distribution
PROJ-SLD-002: SLD - UPS and PDU Details
PROJ-FP-001: Floor Plan - Overall Equipment Layout
PROJ-ISO-001: Isometric - Cooling Water Piping
PROJ-ISO-002: Isometric - Chilled Water Piping
Sheet index in each drawing's title block: "Sheet X of Y"
Revision control: All sheets in a set share the same revision level on release.
Annotation Standards
Dimension lines:
Extension lines: 2mm gap from object, extend 3mm past dimension line
Arrowheads: Filled 45-degree tick marks (slash style), 3mm long
Text: Centered above dimension line, same font as drawing (typically Arial or similar sans-serif)
Units: Millimeters for dimensions under 10m; meters for larger. Always label the unit.
Equipment callout balloons:
Circle diameter: 12mm for single-letter prefix, 16mm for two-letter prefix
Tag number inside circle
Leader line to equipment connection point
Reference callout for off-sheet items: hexagon shape with cross-reference drawing number
Notes and legends:
General notes in upper-left of drawing (after title block)
Legend box showing line types and symbols used
Revision history table in title block (Rev, Date, Description, By, Checked)
DrawingSpec and BlueprintPackage Integration
All generated drawings produce DrawingSpec objects that assemble into a BlueprintPackage:
