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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

QLHLarge Firm Ability, Small Firm Service

QLH

QLH

Master Plan Scope

• Master Plan Update

• Utility Services

– Water

– Wastewater

– Reclaimed Water

– Stormwater

• Planning Period

– 10yr, 20yr, Build Out

QLHLarge Firm Ability, Small Firm Service

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

QLHLarge Firm Ability, Small Firm Service

QLH

QLH

QLH

Flow Projections

• Review Historical Flows

• Level of Service

– Population Projections x LOS

• Straight Line Projections

• Percentage Increase

• Other Sources

• Establish Peak Factors

QLHLarge Firm Ability, Small Firm Service

QLH

QLH

QLHLarge Firm Ability, Small Firm Service

QLHLarge Firm Ability, Small Firm Service

QLHLarge Firm Ability, Small Firm Service

Existing System Evaluation

• Capacity

• Infrastructure Ages

• Infrastructure Materials

• Site Inspection

• Institutional Knowledge

QLHLarge Firm Ability, Small Firm Service

Existing System Water

• Groundwater Wells

– CUP Capacity

• Raw Water Piping

• Treatment Plant

– 80% Design Capacity

• Storage and Pumping

• Distribution System

• Fire Hydrant Spacing

QLHLarge Firm Ability, Small Firm Service

Groundwater Well Capacity

QLHLarge Firm Ability, Small Firm Service

QLH

Storage Capacity

QLHLarge Firm Ability, Small Firm Service

Infrastructure Ages

QLH

Site Inspection

QLHLarge Firm Ability, Small Firm Service

Site Inspection

QLHLarge Firm Ability, Small Firm Service

Site Inspection

QLHLarge Firm Ability, Small Firm Service

Institutional Knowledge

QLHLarge Firm Ability, Small Firm Service

Existing System Wastewater

• Collection System

– Gravity Sewer Capacity

– Lift Station Evaluation

– Force Main System

• Treatment Plant

– 80% Design Capacity

• Disposal

– Reclaimed Water System

QLHLarge Firm Ability, Small Firm Service

QLH

Force Main Capacity

QLHLarge Firm Ability, Small Firm Service

Gravity Sewer Capacity

QLHLarge Firm Ability, Small Firm Service

QLH

Lift Station Evaluation

QLHLarge Firm Ability, Small Firm Service

QLH

QLH

QLH

QLHLarge Firm Ability, Small Firm Service

Existing and Proposed Regulations

• ESWTR

• Stage II Disinfection Byproducts

• Water Management District MFLs

• TMDLs

• Numeric Nutrient Criteria

• Biosolids 62-640

QLHLarge Firm Ability, Small Firm Service

QLH

QLH

Biosolids 62-640

QLHLarge Firm Ability, Small Firm Service

Biosolids 62-640

QLHLarge Firm Ability, Small Firm Service

Hydraulic Modeling

• Evaluate Existing Model

• Select Modeling Software

• Define Evaluation Criteria

• Model Calibration

• Model Results

QLHLarge Firm Ability, Small Firm Service

Existing Model

• Is Existing Model Usable?

• Import Model Into Modeling Software

• Update With Current Infrastructure

• Confirm System Continuity

QLHLarge Firm Ability, Small Firm Service

Modeling Software

QLHLarge Firm Ability, Small Firm Service

• 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

QLHLarge Firm Ability, Small Firm Service

Model Results

• System Pressure

• Flow Velocity

• Fire Flow

• Future Conditions

• Required Upgrades

• Water Quality

• Water Age

Large Firm Ability, Small Firm Service

QLH

QLH

QLH

QLH

Cost Estimates

• Establish Cost Basis

• Budget Estimates

• Conceptual Design

• Project Description

• Recent Construction Costs

Large Firm Ability, Small Firm Service

QLH

Cost Estimate

Large Firm Ability, Small Firm Service

CIP Planning

QLH

QUESTIONS?

Large Firm Ability, Small Firm Service