florida rural water association€¦ · –traffic analysis zones (taz) ... –watercad...

FLORIDA RURAL WATER

ASSOCIATION

Quentin L. Hampton Associates, Inc.

-Consulting Engineers-

August 10, 2016

Utility Master Planning Seminar

Utility Master Plan

• Define Study Area and Scope

• Population/Flow Projections

• Existing System Evaluation

• Existing and Proposed Regulations

• Hydraulic Modeling

• Cost Estimates

• CIP Planning

QLHLarge Firm Ability, Small Firm Service

Study Area

• Incorporation Boundary

– City

– County

– Region

– State

• Utility Service Area

– FS Chapter 180


Master Plan Scope

• Master Plan Update

• Utility Services

– Water

– Wastewater

– Reclaimed Water

– Stormwater

• Planning Period

– 10yr, 20yr, Build Out


Population Projections

• Review Historical Population

• Projections

– US Census

– Bureau of Economic and Business Research (BEBR)

– Traffic Analysis Zones (TAZ)

– Future Land Use Zoning

– Building Permits and DRIs

– Utility Planning Department

– Historical Straight Line

– Percentage Increase


Flow Projections

• Review Historical Flows

• Level of Service

– Population Projections x LOS

• Straight Line Projections

• Percentage Increase

• Other Sources

• Establish Peak Factors


Existing System Evaluation

• Capacity

• Infrastructure Ages

• Infrastructure Materials

• Site Inspection

• Institutional Knowledge


Existing System Water

• Groundwater Wells

– CUP Capacity

• Raw Water Piping

• Treatment Plant

– 80% Design Capacity

• Storage and Pumping

• Distribution System

• Fire Hydrant Spacing


Groundwater Well Capacity


Storage Capacity


Infrastructure Ages

QLH

Site Inspection


Institutional Knowledge


Existing System Wastewater

• Collection System

– Gravity Sewer Capacity

– Lift Station Evaluation

– Force Main System

• Treatment Plant

– 80% Design Capacity

• Disposal

– Reclaimed Water System


Force Main Capacity


Gravity Sewer Capacity


Lift Station Evaluation


Existing and Proposed Regulations

• ESWTR

• Stage II Disinfection Byproducts

• Water Management District MFLs

• TMDLs

• Numeric Nutrient Criteria

• Biosolids 62-640


Biosolids 62-640


Hydraulic Modeling

• Evaluate Existing Model

• Select Modeling Software

• Define Evaluation Criteria

• Model Calibration

• Model Results


Existing Model

• Is Existing Model Usable?

• Import Model Into Modeling Software

• Update With Current Infrastructure

• Confirm System Continuity


Modeling Software


• Innovyze

– Info Water

– H2OMAP

• Bentley

– WaterCAD

– WaterGEMS

• EPANET

Evaluation Criteria

• Per Capita Water Demand = 150 gpcd

• Peaking Factors

– Peak Day Factor = 1.5

– Peak Hour Factor = 2.0

• Output Pressure = 65 psi

• Minimum Residual Pressure

– During fire flow = 20 psi

– During peak day = 40 psi

• Maximum Flow Velocity = 7 fps

• Fire Flow Demand = 600 gpm residentialQLH

Large Firm Ability, Small Firm Service

Model Calibration


Model Results

• System Pressure

• Flow Velocity

• Fire Flow

• Future Conditions

• Required Upgrades

• Water Quality

• Water Age


Cost Estimates

• Establish Cost Basis

• Budget Estimates

• Conceptual Design

• Project Description

• Recent Construction Costs


Cost Estimate


CIP Planning

QLH

QUESTIONS?


florida rural water association€¦ · –traffic analysis zones (taz) ... –watercad...

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