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FLORIDA R URAL W ATER ASSOCIATION Quentin L. Hampton Associates, Inc. -Consulting Engineers- August 10, 2016 Utility Master Planning Seminar
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
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