Wastewater Engineering Tools
Gravity Sewer Design Tool
Professional Gravity Sewer Design Tool for accurate hydraulic calculations, pipe sizing, flow analysis, and efficient sewer network design using industry-standard engineering methods.
Professional Engineering Tool
Gravity Sewer Design Tool
Complete hydraulic analysis, pipe sizing, longitudinal profiling, 3D visualization, and comprehensive design reports — all in your browser.
Gravity Sewer Design Tool
Hydraulic Analysis · 3D Visualization · Smart Design
🔧 Design Parameters
n
mm
m/m
L/s
ratio
⚠️ Design Criteria
m/s
m/s
m
ratio
m
ratio
Full Pipe Capacity
—
L/s
Actual Velocity
—
m/s
Flow Ratio (Q/Qf)
—
ratio
Status
Pending
📈 Detailed Hydraulic Results
Manning's EquationPipe Diameter (D)—
Slope (S)—
Manning's n—
Depth of Flow (d/D)—
Actual Depth of Flow (d)—
Wetted Perimeter (P)—
Flow Area (A)—
Hydraulic Radius (R)—
Design Flow (Q)—
Full Pipe Flow (Qf)—
Full Pipe Velocity (Vf)—
Partial Flow Velocity (V)—
✅ Design Checks
Run calculation to see design checks
⭕ Pipe Cross Section
💡 Smart Tools
Elevations & Slopes
📈 Auto Slope from Inverts
⬇️ Auto Inverts from Slope
🏔️ Auto Ground Levels
➖ Set Uniform Ground Level
Network Structure
🏷️ Auto Name Manholes
🔄 Reverse Network Direction
➕ Insert Segment
📋 Duplicate Last Segment
Pipe Sizing
📏 Auto Size Pipes (Min Diameter)
🎯 Auto Size to Target d/D
⚡ Optimize Slopes (Min Slope)
Flow Analysis
⚖️ Balance Flows (Cumulative)
⏱️ Calculate Travel Time
📉 Calculate Friction Headloss
📈 Calculate HGL & EGL
🔗 Check Invert Continuity
🛡️ Check Cover Compliance
📋 Full Design Audit
🔽 Auto Detect Backdrops
🔧 Auto Fix Cover Issues
Advanced Analysis
📊 Sensitivity Analysis
💰 Cost Estimation
📦 Material Quantity Takeoff
🔬 What-If Scenario
Optimization & Export
⚡ Full Network Optimization
📊 Compare Design Alternatives
📍 Generate Staking Data (CSV)
📥 Import from CSV
📤 Export to CSV
🔧 Export to SWMM Input
📦 Load Sample Network
🗑️ Clear All Segments
🔗 Pipe Network Segments
| # | From → To | Length (m) | Ø (mm) | n | Flow (L/s) | GL Start (m) | GL Stop (m) | Inv. Start (m) | Inv. Stop (m) | Slope | Backdrop | V (m/s) | Qf (L/s) | d/D | Cover (m) | Travel (min) | hf (m) | Status |
|---|
0 segments
Engineering Drawing
Longitudinal Profile — Gravity Sewer Network
Project: Unnamed | Date:
Drawing No.
GS-001
Scale: 1:— | Sheet 1 of 1
🎨 Display Layers & Style
🏗️ Structure & Geometry
💧 Hydraulics & Flow
📏 Annotations & Grid
Theme:
V. Exaggeration:
Density:
3D Visualization
Real-Scale 3D Model — Gravity Sewer Network
Interactive 3D view · Orbit, Pan, Zoom
Render
Three.js WebGL Engine
🎛️ 3D Display & Controls
🗂️ Layers & Elements
🎨 Style & Environment
Theme:
📷 View & Animation
Camera:
🖱️ Left: Orbit
🖱️ Right: Pan
🖱️ Wheel: Zoom
Segments: 0 | Total length: 0m
Design Documentation
Gravity Sewer Design Report
📄
Click "Generate Report" to create a comprehensive design report