Water Supply Distribution Design
6 focused calculations for distribution-system planningDemand • Pipe Sizing • Tank Design • Pump Station • Headloss • Pressure Zones
One Product, Both Sides of the Water
6 separate water-supply calculations sit beside the wastewater treatment designer in one product. They do not yet form a connected network model.
Water Demand, Pipe Sizing, Tank Design, Pump Station, Pipe Headloss, Pressure Zones.
Network canvas driving the solver, drinking-water treatment plant design, and gravity sewer collection.
Professional Water Supply Tools
Each card below opens one of the calculations available in the designer today.
Water Demand
Estimate average and peak demand from population, use and peak factors.
Pipe Sizing
Select a standard pipe size from design flow and velocity limits.
Tank Design
Size equalisation, fire-reserve and emergency storage volumes.
Pump Station
Calculate duty flow, required head, power and operating cost.
Pipe Headloss
Calculate single-pipe loss with Hazen-Williams or Darcy-Weisbach.
Pressure Zones
Estimate pressure-zone count from elevation range and pressure limit.
Hydraulic Methods Behind the Numbers
Methods used by the 6 calculation tabs; no network canvas is implied.
Flow & Pipe Methods
- Hazen-Williams and Darcy-Weisbach single-pipe headloss
- Colebrook-White friction factor (Swamee-Jain)
- Reynolds number, flow regime classification
- Standard-size selection from flow and velocity limits
- Demand estimation from population and use type
Storage, Pump & Elevation
- Tank sizing: equalization + fire + emergency
- Pump duty head and power calculation
- Operating energy and user-tariff cost estimate
- Pressure-zone count from elevation range
- Explicit screening boundary before detailed design
What this module does — and does not — calculate
The boundary is explicit so a library-only solver is never mistaken for a usable UI.
Available in the UI
Water Demand, Pipe Sizing, Tank Design, Pump Station, Pipe Headloss, Pressure Zones.
Not available in the UI
Looped-network authoring and solving, chlorine-decay or water-age simulation, drinking-water compliance assessment, and drinking-water treatment design.
Ready to run a water-supply calculation?
Open the 6 separate design calculations available today.
Open Water Supply ToolsUse 6 separate calculations: Water Demand, Pipe Sizing, Tank Design, Pump Station, Pipe Headloss, Pressure Zones. These tabs do not author or solve a connected network.
ใช้เครื่องมือคำนวณแยก 6 รายการสำหรับความต้องการน้ำ ขนาดท่อ ถัง ปั๊ม การสูญเสียแรงดันในท่อเส้นเดียว และโซนแรงดัน โดยยังไม่ใช่แบบจำลองโครงข่ายที่เชื่อมต่อกัน
When to use
- Sizing distribution mains and service lines for a demand scenario
- Checking single-pipe headloss with a selected formula
- Selecting a pump duty point and sizing storage / fire reserve
How to use
- 1Choose one calculation: Demand, Pipe Sizing, Tank Design, Pump Station, Headloss, Pressure Zones.
- 2Enter flow, length, roughness (C or ε) and elevation data.
- 3Review velocity/pressure checks against design criteria.
Key formulas
Hazen-Williams head loss (SI)
h_f = 10.67 · L · Q^1.852 / (C^1.852 · D^4.87)
Q (m³/s), D,L (m), C = roughness coefficient
Darcy-Weisbach
h_f = f · (L/D) · V² / (2g)
f from Colebrook–White; V = velocity (m/s)
Continuity / pipe sizing
Q = V · A = V · (π/4) · D²
Pipe diameter for a target velocity
- Design flow Q
- 50 L/s = 0.05 m³/s
- Target velocity V
- 1.2 m/s
A = Q/V = 0.0417 m² → D = √(4A/π) = 0.230 m → use DN250
References
- • AWWA M32 — Computer Modeling of Water Distribution Systems
- • Metcalf & Eddy (2014); Mays, Water Distribution Systems Handbook
- • Hazen-Williams / Darcy-Weisbach references used by the calculation tabs
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