CE 3372 Water Systems Design Lecture 005: Engineering Drawings.

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Presentation transcript:

CE 3372 Water Systems Design Lecture 005: Engineering Drawings

Outline ES2 Solution(s) Engineering Drawings Water Distribution Sewer Collection Storm Sewer Collection Intro to EPANET

ES2 Minimum Pressure

ES2 Minimum Distance

ES2 Minimum Disinfection

ES2 Wastewater

ES2 COH Manual

ES2 Head Loss

ES2 Pipeline

Engineering Plans Water System Plans are communicated in drawings as well as reports The general notes and detail notes are important parts of the drawings

Water Distribution Examine the water line plan and profile WaterLinePlanProfile.PDF

Sanitary Sewer Collection Examine the sanitary sewer plan and profile SanitarySewerPlanProfile.PDF

Stormwater Collection Examine the storm water plan and profile StormSewerPlanProfile.PDF

Introduction to EPANET Install on (PC/Mac) Example problem (from ES2) on EPANET

System Components Water source (Main Supply) Lake River Aquifer Treatment Facility Treats and disinfects water Meet water quality standards Potable water Transmission Lines Convey water from source – treatment facility facility – network Pumping Facilities Provide energy to move water Intermediate Storage Facilities Stabilize line pressures Reserve for peak demand periods Provide storage for fire flow req. Distribution Lines Convey water from storage – service areas Looped(grid) and Branched Layouts Appurtenances Fire Hydrants. Valves, auxiliary pumps, fittings

Network Representation Distribution network - Consists of items designed to convey potable water at adequate pressures and discharges Tanks Pumps Pipes Valves Fittings Meters Other appurtenences

EPA-NET Computer program that simulates flow in closed conduit (pressurized) systems Nodes Links (pipes, pumps, valves) Reservoirs (reservoir, tanks) Demand schedule (extended period simulation)

Getting the Program Download and install EPA-NET PC Users – Google EPANET MAC Users – Use the class website Download and PRINT the user manual Topology constructed in a GUI Lengths, diameters, friction terms entered for each component (pipe, valve) Demand entered for each node (+ outflow, - inflow)

Getting the Documentation Download and PRINT the user manual EPANET website, or class website. Topology constructed in a GUI Lengths, diameters, friction terms entered for each component (pipe, valve) Demand entered for each node (+ outflow, - inflow)

About the program Topology (Network Layout) is constructed in a GUI Nodes Demand entered for each node (+ outflow, - inflow) Links Lengths, diameters, friction terms entered for each component. Pipes, Pumps, Valves are all “link” components Reservoir/Tank All models need a reservoir (like the ground in an electric circuit)

Stuff you Have to Choose Head Loss Models Darcy-Weisbach Hazen-Williams Chezy-Mannings Flow units (CFS, GPM, CMS and such) Select SI or US Customary before building a model The program does not convert units.

EPANET Example Use a 2-reservoir problem as first example

Next Time Examine the EPANET User Manual EPANET Workshop Example 2 – Three reservoir (branched) Example 3 – Two reservoir, 4 pipes (loop) Example 4 – Lifting with a pump