CAD Integration Concept - Water Treatment Plant

Proposal Document: Interactive 3D CAD Model with Component Selection & ML Model Integration

Executive Summary

This document proposes a CAD integration feature for Edubotx that allows users to interact with a 3D water treatment plant model, select individual components, extract metadata (water quality parameters), and run predictions using the existing ML models:

Prediction Model (Reusability Classification)
Treatment Model (Treatment Stage Recommendation)
Twin Engine Model (Combined Analysis)

#	Document	Description
01	Overview	Architecture & concept explanation
02	Component Metadata	Mapping CAD components to input params
03	Water Treatment Plant	3D model structure & components
04	UI/UX Flow	User interaction flow & wireframes
05	Implementation Guide	Technical implementation details
06	P&ID Reference	Process & Instrumentation Diagram

Core Concept

┌─────────────────────────────────────────────────────────────────────────┐
│                        CAD INTEGRATION WORKFLOW                          │
│                                                                          │
│   ┌──────────────┐     ┌──────────────┐     ┌──────────────────────┐   │
│   │   3D CAD     │     │  Component   │     │   Input Parameters   │   │
│   │   Model      │────▶│  Selection   │────▶│   (Metadata)         │   │
│   │   (WTP)      │     │              │     │                      │   │
│   └──────────────┘     └──────────────┘     └──────────┬───────────┘   │
│                                                         │               │
│                                                         ▼               │
│   ┌──────────────────────────────────────────────────────────────────┐ │
│   │                     FETCH PARAMETERS                              │ │
│   │   [Fetch Button] → Populate Input Form with Component Metadata   │ │
│   └──────────────────────────────────────────────────────────────────┘ │
│                                                         │               │
│                                                         ▼               │
│   ┌────────────────────────────────────────────────────────────────┐   │
│   │                    ML MODEL SELECTION                           │   │
│   │                                                                  │   │
│   │   ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐    │   │
│   │   │ Prediction  │  │  Treatment  │  │    Twin Engine      │    │   │
│   │   │   Model     │  │    Model    │  │      Model          │    │   │
│   │   │             │  │             │  │                     │    │   │
│   │   │ Reusability │  │   Stage     │  │ Combined Analysis   │    │   │
│   │   │ Prediction  │  │ Recommend   │  │ (Both Models)       │    │   │
│   │   └─────────────┘  └─────────────┘  └─────────────────────┘    │   │
│   │                                                                  │   │
│   │   Note: Adaptive Optimizer NOT included on this screen          │   │
│   └────────────────────────────────────────────────────────────────┘   │
│                                                         │               │
│                                                         ▼               │
│   ┌──────────────────────────────────────────────────────────────────┐ │
│   │                        RESULTS DISPLAY                            │ │
│   │   - Reusability Class & Confidence                                │ │
│   │   - Treatment Stage & Steps                                       │ │
│   │   - Chemical Suggestions                                          │ │
│   │   - Risk Assessment                                               │ │
│   └──────────────────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────────────────┘

Process Flow Diagram (PFD)

The CAD model follows standard P&ID conventions with proper equipment tags and instrumentation:

Equipment & Instrumentation Tags

Main Process Equipment

Tag ID	Equipment	Description
SCR-01	Screen	Coarse solids removal
GR-01	Grit Chamber	Sand and grit settling
CL-01	Primary Clarifier	Primary sedimentation
AER-01	Aeration Tank	Biological treatment (activated sludge)
SC-01	Secondary Clarifier	Secondary sedimentation
DIS-01	Disinfection Unit	Chlorination/UV treatment
BL-201	Blower	Air supply for aeration
CH-TK-01	Chemical Tank	Chemical storage (chlorine/alum)

Pumps & Valves

Tag ID	Equipment	Description
P-201	RAS Pump	Return Activated Sludge pump
P-301	Dosing Pump	Chemical dosing pump
FV-201	Air Control Valve	Aeration rate control valve

Instrumentation (Analyzers & Transmitters)

Tag ID	Parameter	Maps To	Location
FIT-101	Flow Rate	`flow_rate`	Raw Sewage
AIT-PH-101	pH	`influent_pH` / `pH`	After Grit
AIT-TSS-101	TSS	`influent_TSS` / `TSS`	After Grit
AIT-TDS-101	TDS	`influent_TDS` / `TDS`	After Grit
AIT-TMP-101	Temperature	`temperature`	After Grit
FIT-103	Flow Rate	`flow_rate`	To Aeration
FIT-AIR-201	Aeration Rate	`aeration_rate`	Air Line
AIT-PH-104	pH	`pH`	Aeration Out
AIT-TSS-104	TSS/MLSS	`TSS`	Aeration Out
AIT-TMP-104	Temperature	`temperature`	Aeration Out
FIT-105	Effluent Flow	`flow_rate`	Effluent
AIT-TSS-105	Effluent TSS	`effluent_TSS`	Effluent
AIT-TDS-106	Effluent TDS	`effluent_TDS`	Effluent
AIT-PH-106	Effluent pH	`effluent_pH`	Effluent
AIT-TMP-106	Effluent Temp	`temperature`	Effluent
FIT-201	Sludge Recycle Rate	`sludge_recycle_rate`	RAS Line
DOSE SP	Chemical Dose Setpoint	`chemical_dose`	Dosing System

Process Streams

Stream ID	Description	From → To
S-101	Raw Sewage Line	Inlet → Screen
S-102	Screened Sewage	Grit Chamber → Primary Clarifier
S-103	Primary Effluent	Primary Clarifier → Aeration
S-104	Mixed Liquor	Aeration → Secondary Clarifier
S-105	Secondary Effluent	Secondary Clarifier → Disinfection
S-106	Final Effluent	Disinfection → Outlet
S-201	RAS Line	Secondary Clarifier → Aeration

Water Treatment Plant Components

The 3D model will represent a typical water treatment plant with these selectable components:

Component	Tag ID	Metadata Type	Parameters Extracted
Inlet/Influent	S-101	Raw Water Quality	pH, BOD, COD, TSS, TDS, Turbidity
Screen	SCR-01	Pre-treatment	TSS removal (coarse)
Grit Chamber	GR-01	Pre-treatment	Grit/sand removal
Primary Clarifier	CL-01	Settling Stage	TSS removal, Oil & Grease
Aeration Tank	AER-01	Biological Treatment	BOD, NH4-N, Aeration Rate
Secondary Clarifier	SC-01	Secondary Treatment	TSS, BOD after treatment
Disinfection Unit	DIS-01	Final Treatment	Fecal Coliform, Chemical Dose
Outlet/Effluent	S-106	Treated Water	All final parameters
RAS Pump	P-201	Sludge Return	Sludge recycle rate
Chemical Tank	CH-TK-01	Chemical Dosing	Chemical dose setpoint

Input Parameters Reference

Based on types.ts, the following parameters are used:

Treatment Model Input (`TreatmentInput`)

interface TreatmentInput {
  pH: number; // 0-14
  TSS: number; // mg/L - Total Suspended Solids
  Turbidity: number; // NTU
  BOD: number; // mg/L - Biochemical Oxygen Demand
  COD: number; // mg/L - Chemical Oxygen Demand
  NH4_N: number; // mg/L - Ammonium Nitrogen
  Total_Nitrogen: number; // mg/L
  Phosphate: number; // mg/L
  Fecal_Coliform: number; // count
  Oil_Grease: number; // mg/L
  TDS: number; // mg/L - Total Dissolved Solids
  Heavy_Metals: number; // concentration
  flow_rate?: number; // m³/day (optional)
}

Reusability Model Input (`WastewaterInput`)

interface WastewaterInput {
  flow_rate?: number;
  influent_BOD?: number;
  influent_COD?: number;
  influent_TSS?: number;
  influent_pH?: number;
  influent_TDS?: number;
  aeration_rate?: number;
  chemical_dose?: number;
  sludge_recycle_rate?: number;
  retention_time?: number;
  temperature?: number;
  effluent_BOD_lag1?: number;
  // ... effluent values
}

Key Features

1. Interactive 3D Model

Rotate, zoom, pan the water treatment plant
Click on components to select them
Visual highlighting of selected component
Component information tooltip on hover

2. Metadata Extraction

Each component has predefined metadata
Metadata represents water quality at that stage
"Fetch" button populates the input form

3. Model Selection (No Adaptive Optimizer)

Prediction Model: Reusability classification
Treatment Model: Treatment stage recommendation
Twin Engine: Combined analysis

4. Results Dashboard

Real-time prediction results
Visual indicators for severity/risk
Treatment recommendations
Chemical dosing suggestions

Next Steps

Read 01-OVERVIEW.md for detailed architecture
Read 02-COMPONENT-METADATA.md for parameter mapping
Read 03-WTP-MODEL.md for 3D model specifications
Read 04-UI-UX-FLOW.md for user interaction design
Read 05-IMPLEMENTATION.md for code implementation

Tech Stack

Component	Technology	Purpose
3D Rendering	Three.js / react-three-fiber	Interactive 3D model
State Management	React useState/useReducer	Component selection state
ML Integration	Existing ML API hooks	Model predictions
UI Components	shadcn/ui + Tailwind	Forms, cards, buttons
Type Safety	TypeScript	Type-safe metadata

Quick Reference: Models Available

Model	Endpoint	Input Type	Output
Prediction	`/api/predict/reusability`	`WastewaterInput`	Reusability class
Treatment	`/api/predict/treatment`	`TreatmentInput`	Treatment stage & steps
Twin Engine	Both endpoints	Combined	Full analysis

Document Version: 1.0
Last Updated: December 2024

Executive Summary​

Table of Contents​

Core Concept​

Process Flow Diagram (PFD)​

Equipment & Instrumentation Tags​

Main Process Equipment​

Pumps & Valves​

Instrumentation (Analyzers & Transmitters)​

Process Streams​

Water Treatment Plant Components​

Input Parameters Reference​

Treatment Model Input (TreatmentInput)​

Reusability Model Input (WastewaterInput)​

Key Features​

1. Interactive 3D Model​

2. Metadata Extraction​

3. Model Selection (No Adaptive Optimizer)​

4. Results Dashboard​

Next Steps​

Tech Stack​

Quick Reference: Models Available​