WASTEWATER WASTEWATER TREATMENT PLANT TREATMENT PLANT THE WALLACE - - PowerPoint PPT Presentation

▶
wastewater wastewater treatment plant treatment plant
SMART_READER_LITE
LIVE PREVIEW

WASTEWATER WASTEWATER TREATMENT PLANT TREATMENT PLANT THE WALLACE - - PowerPoint PPT Presentation

Jul 31, 2023 409 likes •589 views

TROPHY CLUB MUNICIPAL UTILITY DISTRICT #1 WASTEWATER WASTEWATER TREATMENT PLANT TREATMENT PLANT THE WALLACE GROUP Dallas, Texas Kevin Glovier, PE , Project Manager March 21, 2015 , THE WALLACE GROUP A CP&Y COMPANY The Wallace Group A

slide-1
SLIDE 1

TROPHY CLUB MUNICIPAL UTILITY DISTRICT #1

WASTEWATER WASTEWATER TREATMENT PLANT TREATMENT PLANT

THE WALLACE GROUP

Dallas, Texas Kevin Glovier, PE , Project Manager March 21, 2015 ,

THE WALLACE GROUP

A CP&Y COMPANY

slide-2
SLIDE 2

The Wallace Group A CP&Y C The Wallace Group, A CP&Y Company

  • Founded in 1976 – In Business 39 Years
  • 4 Business Lines:
  • Comprehensive Engineering,

Architectural, and Survey Services

  • Serving North and Central Texas Clients
  • Water & Wastewater
  • Civil
  • Architecture
  • Survey & SUE
  • 4 Offices:
  • Staff of 45+: Professional Engineers,

Architects, and Surveyors

  • Public and Private Sectors – Large and

Small Projects

  • Dallas
  • Waco
  • Killeen
  • Round Rock
  • TBPE F‐54 / TBPLS 100517‐02

Small Projects

slide-3
SLIDE 3

The Wallace Group A CP&Y C The Wallace Group, A CP&Y Company

  • Purchased by CP&Y in December 2015
  • 4 Business Lines:
  • Full‐service consulting firm offering

multidiscipline engineering services, including the water and wastewater industries

  • Aviation
  • Transportation
  • Water & Wastewater
  • Construction Management
  • 6 States – 16 Locations:

industries

  • Designed water and wastewater related

facilities with water capacities up to 540 million gallons per day and wastewater capacities p to 189 million gallons per

  • Texas
  • Arizona
  • Colorado
  • Oklahoma
  • Arkansas
  • Virginia

capacities up to 189 million gallons per day.

slide-4
SLIDE 4

Plant History Plant History

  • Originally Constructed
  • Originally Constructed

Mid 1970’s

  • Expanded in Mid 1980’s

Expanded in Mid 1980 s to Capacity of 1.40 MGD

  • Expanded in 2002 to

Expanded in 2002 to Capacity of 1.75 MGD

slide-5
SLIDE 5

Existing WWTP Existing WWTP

slide-6
SLIDE 6

Review of Improvement Process Review of Improvement Process

  • Initial Survey Work and Report

y p

  • Identified Easily Identifiable Problem Areas
slide-7
SLIDE 7

WWTP Current Site Plan WWTP Current Site Plan

slide-8
SLIDE 8

Initial Survey Work and Report Initial Survey Work and Report

  • Effluent Permit Parameters

Original Plant Current Plant Permitted Flow BOD 1.4 MGD 10 mg/l 1.75 MGD 5 mg/l TSS Ammonia ‐ Nitrogen 15 mg/l 3 mg/l 12 mg/l 3 mg/l

slide-9
SLIDE 9

Preliminary Engineering Report Preliminary Engineering Report

  • Population Projections
  • Population Projections
  • Identified Existing and

Future Volumes for Plant Future Volumes for Plant Design

  • Identified Problem Areas

Identified Problem Areas

  • Identified Possible

Alternatives

  • Projected Costs

Associated with Various Alternatives

slide-10
SLIDE 10

Researched Alternatives Identified in PER

  • CAS ‐ Conventional Activated Sludge
  • MBR ‐ Membrane Biological Reactor
  • BioMag System
  • TRA ‐ Trinity River Authority
  • IFAS ‐ Integrated Fixed Film Activated Sludge System
slide-11
SLIDE 11

Evaluated the Five Alternatives Evaluated the Five Alternatives

  • Provided Positives and Negatives to TCMUD Board

g

  • Presentation to TCMUD Board and Answered Questions

Option Process Advantages Disadvantages Option 1 CAS Treatment  Proven Technology  Cost Effective  Operator Familiarity  Nutrient Removal  Large Footprint  Infrastructure Intensive Option 2 MBR Treatment  Nutrient Removal  Small Footprint  Cost  Two Parallel Plants During Option 2 MBR Treatment p  Effluent Quality  Approved Process g Phase I Option 3 BioMag System  Nutrient Removal  Small Footprint  Effluent Quality  Cost  No TCEQ Pre-Approval  Effluent Quality Option 4 TRA Services  Fewer MUD Operations  TPDES Requirements  Cost  Loss of Control  Future Rate Increases  Nutrient Removal  Cost Option – Other IFAS Treatment  Nutrient Removal  Small Footprint  Effluent Quality  Cost  No TCEQ Pre-Approval

slide-12
SLIDE 12

WWTP Modified Site Plan WWTP Modified Site Plan

slide-13
SLIDE 13

MBR System MBR System

  • Design

Design

  • Bid Project Summer 2014
  • Start Construction Fall 2014 – 18 Months

Start Construction Fall 2014 18 Months

Overview

slide-14
SLIDE 14

MBR System MBR System

  • Design

Design

  • Bid Project Summer 2014
  • Start Construction Fall 2014 – 18 Months

Start Construction Fall 2014 18 Months

RAS Pumps to MBR

slide-15
SLIDE 15

MBR System MBR System

PA Tank and MBR Tank PA Tank and MBR Tank

slide-16
SLIDE 16

MBR System MBR System

  • Design

Design

  • Bid Project Summer 2014
  • Start Construction Fall 2014 – 18 Months

Start Construction Fall 2014 18 Months

Diffuser Cleaning Tubes

slide-17
SLIDE 17

QUESTIONS? QUESTIONS?

Kevin Glovier, PE P j t M Project Manager The Wallace Group keving@wallace‐group.com (214) 747‐3733 (214) 747 3733

THE WALLACE GROUP

A CP&Y COMPANY