water partnering meeting 9:30 am june 15, 2016 - …...2016/06/15 · sierra club, national...

North Texas Municipal Water District“Regional Service Through Unity …

Meeting Our Region’s Needs Today and Tomorrow”

Water Partnering Meeting9:30 am

June 15, 2016

Agenda

I. Water Supply Update - Billy George

II. LBCR & Main Stem PS Permitting Update - Billy George

III. Unidirectional Flushing Presentation - Scott Cole

IV. Update on 2017 State Water - Billy George

V. Public Education Programs Update - Denise Hickey

VI. Public Relations Update - Janet Rummel

VII. Wetland Center Eagles Update - John DeFillipo

VIII. Upcoming Meetings - Billy George

Reservoir Elevations – June 14, 2016

Reservoir

Conservation Pool

Elevation Current Elevation Up/Down % Full

Lavon30%

492.0’ 497.04’ +5.04’ >100%

Chapman15%

440.0’ 441.10’ +1.10’ >100%

Tawakoni8%

437.5’ 439.23’ +1.73’ >100%

Texoma28%

617.0’ 622.07’ +5.07’ >100%

Water Consumption

Agenda









MSPS Permitting

• Regional General Permit 12 (USACE 404 & 408 Permits):

– Received February 2016

• TCEQ Water Rights:

– Draft permit noticed to downstream water right holders

– Response deadline: June 24, 2016

• TCEQ Bed & Banks:

– Draft permit written: requires water right amendment

MSPS Permitting

• Project Advancement:

– Construction and procurement delay undetermined

– NTMWD continues to work on securing property rights for Main Stem Water in East Fork Raw Water Supply Project (Wetland)

LBCR Permitting

LBCR Clean Water Act 404 Permitting History

• June 2008: Filed permit application with USACE

• June 2015: Received comments from EPA on the Draft EIS

– EPA rated Draft EIS as “Inadequate”

• December 2015: USACE’s initial schedule for issuing 404

• December 2017 - June 2018: Current Schedule for USACE to issue 404

LBCR Permitting

HR 4466

• Possible Inclusion in:

• WRDA

• Continuing Resolution

• Omnibus Bill

• Passage Required in 2016

Water Demand & Supply

Agenda









Tools to Enhance Water Quality

NORTH TEXAS MUNICIPAL WATER DISTRICT

June 15th, 2016

13

Factors Influencing Water Quality

• Required water conservation increases water age resulting in:– Decreased chlorine

residual– Higher disinfection by-

products

• Aging pipeline infrastructure resulting in:– Increased chlorine demand– Habitat for bacterial

regrowth

14

Factors Influencing Water Quality

• Warm ambient temperatures resulting in:– Thermal stratification in tanks– Accelerated chlorine decay

• Late summer and fall nitrification when water usage

diminishes and water temperature remains high

• Rapid growth resulting in oversized facilities

15

1) Water Quality Monitoring through SCADA

2) Source Trace Modeling

3) Water Age Modeling

4) Uni-Directional Flushing Programs

5) Replacement of Aging Infrastructure

6) Booster Chlorination Station

7) Enhanced Sampling Programs

8) Spatial Data Trending

9) Tank Cycling and Mixing Systems

10) THM Reduction Evaluation

16

Available Tools to Enhance Water Quality

Uni-directional Flushing (UDF) Program

Definition: an engineered program to systematically clean the distribution system lines with high velocity flushing thereby improving water quality and reducing unbilled water usage.

17

Why UDF vs. Conventional Flushing?

• UDF cleans water lines (longer term solution) while conventional flushing simply displaces bad water with good water (temporary fix)

• UDF uses less water– Assists with City’s water conservation efforts

– Reduced man-hours

• UDF allows for simultaneous preventive maintenance activities such as valve/hydrant exercise

• UDF provides a set time frame for crew assignment

18

Leverage Multiple Data Sources

UDF

Program

GIS Data

Maintenance

Management

Data

Hydraulic

Model

Results

19

Define

Flushing

Area

Tracking System

Performance

Going Forward

QC and

Finalizing

Flushing

Procedures

Public

Notification

Review and

Analyze Water

System

Operation

Develop

UDF Map

Books

Implementation

of UDF

Program in the

Field

UDF Development Process

20

Phased Approach to a UDF Program

• First Pilot Area: SH 1 (2003)

• Phase 2: RR (2005)

• Phase 3: TV 1 - 2 (2008)

• Phase 4: TV 3 - 4 (2010)

• Phase 5: TV 5 – 7 (2014)

21

Define Flushing Area

• Review Water Quality Reports

• Review Customer Complaint Records

• Analyze Flushing History

• Use Hydraulic Model to Determine Long Detention Times

22

• Analyze detention times– Flush until the Cl2 residual is at least 1 mg/l and a minimum two times

the pipe volume has been displaced and the flushed water appears clear

• Define system operation – Organize flush groups and sequences starting from the water source– Flush from larger to smaller diameters

• Confirm adequate flushing velocities– Maintain velocities of at least 5 fps to scour distribution lines and

remove sediments/biofilm

Analyze System Operation using Water Model

23

Defining UDF Procedures

• Flush Groups and Flush Sequences

– Breaks down the overall system within the flush area to

provide structure to the program

– A crew should be able to complete one flush group in a

work day

– 8-12 flush sequences per flush group

• Utilizing Water Model to Test Adequate Scouring

Velocities

24

Typical UDF Flush Group & Sequence in Map Book used by Operations

25

Typical UDF Flush Group & Sequence in Map Book used by Operations

Flush

Group

Flush

Sequence

Field Crew

Instructions

26

• Public notification before and during program

• Check valve and hydrant condition

• Execute the program while field checking physical data– Follow instructions on field maps

– Periodically check Cl2 levels

– Keep record of changes made to program due to discrepancies between field data and GIS data

• Follow up initial implementation

with QC before finalizing

program

Implementation of Procedures

27

• Use dechlorinating agents to neutralize the high

concentrations of Cl2 before the flushed water enters

the collection system

• Types of dechlorinating agents

– Absorbic Acid

– Sodium Sulfite

Dechlorination

28

• Notices sent to affected citizens a week before flushing

• Notice on City website with description of program benefits

• Hosemonster – protects landscape and cars

• Visible signs on flushing location

Public Notification

29

• Track residual and volume of water flushed to

determine whether UDF improved the system

Field Recorded Data

Tracking System Performance

• Assists in determining ways to improve the UDF program

• Determine how Program will be implemented in future– Seasonally

– When Cl2 residual drops to specific level 30

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

12/10/2002 3/20/2003 6/28/2003 10/6/2003 1/14/2004 4/23/2004 8/1/2004

Ch

lori

ne

Res

idu

al (

mg/

L) Desired Water Quality = 1 mg/L

UDF Program Implemented

UDF Provided Sustained Water Quality Improvement

Sustained High

Water Quality

After UDF Program

Is Implemented

Low Water Quality

Under Conventional

Flushing Program

31

Estimated Cost Savings from UDF Pilot Program

Annual Cost for current

flushing methods

Cost for UDF

Pilot Program

32

1) Water Quality Monitoring through SCADA

2) Source Trace Modeling

3) Water Age Modeling

4) Uni-Directional Flushing Programs

5) Replacement of Aging Infrastructure

6) Booster Chlorination Station

7) Enhanced Sampling Programs

8) Spatial Data Trending

9) Tank Cycling and Mixing Systems

10) THM Reduction Evaluation

33

Available Tools to Enhance Water Quality

34

Water Age Modeling

Where are my high risk areas?

35

Water Age Modeling

Current Operation Water Age Modified Operation Water Age

What is the impact of operational changes

on water age?

36

Tank Mixing Systems

• Can reduce stratification and preserve chlorine residual

• Passive mixing systems

• Active mixing systems

37

Tank Mixing Systems

Mixing systems with aeration have been shown

to substantially reduce DBPs

38

Scott Cole, P.E.

[email protected]

817.735.7255

Contact:

QUESTIONS?

mailto:[email protected]

Agenda









2017 State Water Plan Overview

• Adopted by TWDB on May 19, 2016

• Reflects 16 Regional Water Plans

• Adopted Every 5 Years

• State Water Planning Started in the 1950s (Response to the State Drought of Record)

• Current Process (Bottom-Up Regional Approach) Began in 1997

Regional Water Planning Areas

Population Projections

• Between 2020 and 2070, Texas’ Population Forecasted to Increase from 29.5M to 51M

• Over ½ of Growth to Occur in Region C (DFW) and Region H (Houston)

Population Projections

Water Needs Projections

• Total Demand Needs:

– 2020: 4.8M acre-feet

– 2070: 8.9M acre-feet

2070 Water Supply - Statewide

• Demand Management = Conservation + Drought Mgmt

• 30% of 2070 Water Supply from Demand Management

• 45% - Surface Water Sources

• 14% - Reuse

• 10% - Groundwater

• 1% - Seawater Desalination

Municipal Conservation & Reuse

• Current Municipal Gallons per Capita Goal = 140 gpcd

• 2017 State Water Plan Goals:

– 2020 – 163 gpcd

– 2070 – 124 gpcd

Previous Unique Reservoir Sites

Recommended Unique Reservoir Sites

Agenda









WaterMyYard.org06/14/2016 05/17/2016

Allen 220 214

Farmersville 55 55

Forney 80 80

Garland 99 94

McKinney 698 688

Mesquite 285 285

Plano 1,454 1,383

Princeton 115 111

Richardson 386 330

Rockwall 176 168

Royse City 29 27

Wylie 319 316

Wetland 1 1

Tawakoni 1 1

121 RDF 1 Not avail.

WMY Total 3,919 3,753

WaterMyYard Subscribers – 3,919

Frisco WaterWise Subscribers – 16,023

NTMWD - WMY has 15 Weather Stations

12 Rain Gauge Systems

Customer SubscribersCash SUD - 1Melissa - 40Murphy – not yet avail.

Sachse - 51

Joining soon: Parker

Living Waters ProjectSierra Club, National Wildlife Federation,Galveston Bay Foundations

• Texas Living Waters Unveils First Ever Water Conservation Scorecard

• Wide disparity of effort, information among water utilities

Allen

Fairview

Frisco

Garland

Little Elm East

McKinney

Mesquite

Murphy

Plano

Richardson

Rockwall

Rowlett

Royse City

Sachse

The Colony

Wylie

NTMWD Entities Included in Scorecard

Water Resource & Public EducationTV

Water Resource & Public EducationPreRoll

Outreach T-shirts

Web Banners/Digital

STATIC

ANIMATEDGeo-Targeted for NTMWD service area

Billboards

Locations where an extension is not permitted, the hose will be removed.

Water4Otter ISD Summer Camp Outreach

• Wednesday, June 15

– Royce City ISD summer camp

• Other still getting scheduled

– Send in ISD contact if interested in Water4Otter presentation

Outreach Booth

WaterMyYard.org• Banners• Sign-up for WMY and WIQ pledge Journey of Water

• iPads: game

Give-Aways• T-shirts• Wheel barrel filled

w/ water efficient items

Signage forConquering the Journey of Water Picture

Agenda









Public Relations Update

Key Projects• City Council

presentations on projects & rates

• Water Supply Contract Working Group meetings

– Next: June 29

• New website progressing

• Lower Bois d’ArcCreek Reservioroutreach

DRAFT new website homepage – July launch


• May 21: Town hall in Fannin County hosted by Sen. Bob Hall; Fannin County Leader article (May 31)

• June 7: Joined Rep. Johnson staff for briefing of Collin County Business Alliance on importance of new reservoir; NBC 5 TV story aired

• June 12: Dallas Morning Newssupportive editorial

• Additional letters from Board of Directors to USACE officials

• Sponsoring Fannin County H2O art exhibit, includes display with LBCR and water conservation materials

Nearly 100 people attended May 21 town hall in Bonham on Lower Bois

d’Arc Creek Reservoir

Lower Bois d’Arc Creek Reservoir


Other Recent Media• Plano Community Impact News: Conservation & LBCR

• Frisco Enterprise: on state’s “Clean, Drain, Dry” campaign (zebra mussels)

• Plano Star Local Media: Recent rainfall, water supply, rate projections

• TX AWWA blog: How NTMWD is Meeting the Demands of One of the Fastest-Growing Regions in the U.S.

Agenda









JBS Wetland Center American Bald Eagles

Juvenile Eagles Branching

Juvenile Eagles Catching Air

Bald Eagle Family June 9, 2016

Agenda









RSVP through

Upcoming Meetings

www.NTMWD.com Follow us on: WED JUL 20 NTMWD

WED AUG 17 NTMWD

WED SEP 21 NTMWD

WED OCT 19 NTMWD

WED NOV 16 NTMWD

DEC (no meeting)

Meeting Time:9:30 a.m.

Water Partnering Meeting

Wastewater Partnering Meeting(immediately following last item in the

Water Partnering Meeting)

11:30 a.m.

Target Meeting End Time

at

NORTH TEXAS MUNICIPAL WATER DISTRICT

ENGINEERING BUILDING TRAINING ROOM

505 E. Brown Street, Wylie, TX 75098

North Texas Municipal Water District“Regional Service Through Unity …

Meeting our Region’s Needs Today and Tomorrow”

Wastewater Partnering MeetingJune 15, 2016

75

Agenda• Meeting Purpose

• SB 912 Rulemaking Adoption re Volume-Based Exemptions for Certain Accidental • TCEQ Form Update

• In the Trenches by Justin Diviney w/ City of Denton

• Discussion

76

77

Partnering Meeting Purpose

78

SB 912 Rulemaking Adoption re Volume-Based Exemptions for Certain Accidental

79

In the Trenches

CITY OF DENTON WASTEWATER COLLECTIONS

In The Trenches

Justin Diviney

Manager

Wastewater

Collections

81

Replacement Cost Over $400,000,000

2,756,000 linear feet

522 miles of mainline

sewer

OUR MISSION: Protect The Public Health & The Environment

By Reducing/Eliminating Unauthorized Discharges

• Asset Management

• Flushing Program

• Manhole Inspection

• CCTV/Quickcam

• Smoke Testing

• Point Repairs

• Open Cut Construction

• Pipe Bursting

• FROG Program

• Employee Buy In

A D M IN IS T R A T IVE

A S S IS T A N T I II

T . M ILL S O P

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A D M IN IN T E R N

V A C A N T

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F IE L D S E R V IC E

W O R K ER II

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W O R K ER II

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S U P E R V IS O R

R . B A R Z A N O

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O P ER A T O R I

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S U P E R V IS O R

C . B O W L ES

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W O R K ER II

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S U P E R V IS O R

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W A S T EW A T E R C O L L EC T IO N S

M A N A G ER

J . D IV IN EY

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W A S T E W A T E R D IV IS IO N

M A N A G ER

P . A R O R A

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G E N E R A L M A N A G ER

W A T E R & W A S T E W A T ER

V A C A N T

G 5 2 00 6 6 30 0 0 1 G 2 2M

Maintenance Construction Flushing

REACTIVE

• One flushing truck chased main chokes and service chokes 24/7

• Very little basin cleaning because of service calls

• Went from one emergency main or service repair to the next

• Little to no CCTV work done

• No real QC or investigation done on work orders

PROACTIVE

• CCTV 3 or more chokes on a main line or service line

• Documented defects and created work orders to repair defects

• Set performance goals for crews

• CCTV all main chokes and service chokes

• Documented defects and created work orders to repair main line

defects and complete replacement of services

• SCRAPS data for basin cleaning

• Set up QC measures for work orders

• Look for new and innovative ways to do our jobs

ASSET MANAGEMENT IMPLEMENTATION

• ESRI GIS

• Pipeworks/Cityworks CMMS

• Hydroworks/Infoworks Capacity Models

• WERF SCRAPS Prioritization Model

• CapPlan/Infomaster Asset Management Model

• Addition of IT/Database professional

• CMOM Program

• Operations staff buy in

CITYWORKS

• Every activity of the

Collections Department is

recorded as a work order in

Cityworks

• Cityworks is a great source of

historical data on sewer

system maintenance and

repair

• Changed from paper work

orders to digital - Field crews

have instant data at their

hands with the use of Ipads in

the field

INFOMASTER

• Identifies individual repairs

• Evaluates necessity of repairs: major or

minor?

• Compares repair cost versus full

replacement cost

• Suggests a rehab method

For every pipe!

WERF SCRAPS MODEL

• Using Probability & Consequence of Failure SCRAPS provides a

numerical ranking from 0 to 100 for each pipe segment. Highest

being worst.

• Using this ranking we set up the flushing program to areas most in

need of attention being cleaned more frequently

Flushing Program• 10 Year Lines - Combination Truck

• 5 Year Lines - Combination Truck

• 1 Year Lines - Combination Truck

• CCTV - Combination Truck

• Hot Shot Truck (Service Calls and Degrease Lines)

• Spare Combination Truck

Orange sub-basins have higher

average SCRAPS scores

Basin cleaning prioritization

Red segments have choke history

Add cityworks slide for flushing basins

Cityworks Map 10 Year Basin

0

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

10/1/201511/1/201512/1/20151/1/20162/1/20163/1/20164/1/20165/1/20166/1/20167/1/20168/1/20169/1/2016

Basin Cleaning Performance

Pace 1 5 10

CITYWORKS NOTES

-

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

10/2/201511/2/201512/2/20151/2/20162/2/20163/2/20164/2/20165/2/20166/2/20167/2/20168/2/20169/2/2016

Degreasing Performance

Total Pace

Manhole Inspections

&

Rehab/Replace MH’s

• Inspect 800 per

year

• Repair

• Grout

• Replace

• Line

• Install Rain Dishes

• Fiberglass inserts

• Fiberglass mh’s

• Monolithic mh’s

http://images.google.com/imgres?imgurl=http://www.globalspec.com/NpaPics/89/151694_081120041270_ExhibitPic.jpg&imgrefurl=http://www.globalspec.com/FeaturedProducts/Detail/RainGuard_Inflow_Protectors/16496/0&usg=__zILAnCAGG3QYm9DqJvgW-7eSkuw=&h=244&w=300&sz=72&hl=en&start=7&um=1&tbnid=MxbYXQupQ2GigM:&tbnh=94&tbnw=116&prev=/images?q=LFM+Rain+Guard&hl=en&safe=active&rls=com.microsoft:en-US&sa=N&um=1

CCTV

• One CCTV Unit

• Full PACP Coding

• Quick Lock Internal Point Repair

• CCTV lines that fail quick cam

• Accurately Locate Defects

WHY WE DECIDED TO USE QUICK CAM

• Cleaning Confirmation: Easily document that

cleaning was successful

• Pass/Fail Pipe Assessment: Quickly identifies

offsets, collapses, infiltration, cross bore, and any

other maintenance issue

• Cost Savings: Keep CCTV crew on-plan with the

ability to not waste time on good lines that do not

need full PACP review.

WHY WE DECIDED TO USE QUICK CAM

• Tool Selection: See whether a pipe is clogged

with gravel, grease, mud, roots or sludge, and pick

the best nozzle to quickly eliminate the problem.

• Safety: Confirm absence or presence of cross-

bore electrical, water or gas, and preview pipe

before mechanical root cutting or milling.

CCTV Defect

Locating Capabilities

CCTV VERSUS QUICK CAM

• CCTV conventional cost $0.83 per foot. (Average for a 3 yr.

period)

• Quick Cam Video cost $0.19 per foot.

• Compared with in-house CCTV, the City saved $181,674 for

283,866 feet of sewer line CCTV using Quick Cam.

-

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

10-Year Basin Cleaning with Quick Cam

Quick Cammed Missed Quick Cam Cleaned PaceFeet

-

20,000

40,000

60,000

80,000

100,000

120,000

140,000

160,000

180,000

200,000

10/1/201511/1/201512/1/20151/1/20162/1/20163/1/20164/1/20165/1/20166/1/20167/1/20168/1/20169/1/2016

5-Year Basin Cleaning with Quick Cam

Quick Cammed Missed Quick Cam Cleaned PaceFeet

Smoke Testing

• Smoke Test 10% of the system per year

• Catalog all defects in the database

• Provide binder with all defects noted to field crews for repair

and create individual work orders to repair defects

• Data suggest issues with c/o’s major problem in new

development and existing subdivisions

DEFECT 2008 2009 2010 2011 2012 2013 2014 TOTALS

MHSS 95 85 56 38 109 71 103 557

MAIN 25 41 2 3 5 3 11 90

PRIVATE 659 700 372 587 409 129 542 3398

TOTALS 779 826 430 628 523 203 656 4045

Smoke Testing

Public Education/Outreach

Pilot Project For Cleanout Cans

• Major I&I from rain in 2007 / Smoke tested

in the summer 2007 – repaired cleanouts in

the fall

• Spring of 2009 major I&I / Smoke tested in

the summer of 2009

• Installed 113 cleanout cans

• Next Rain event we saw about a 65%

reduction in I&I at the lift station

SEWER

STANDARD DETAILS WASTEWATER

UTILITY AND CIP

ENGINEERING

-

50

100

150

200

250

300

350

400

450

Cleanout Install Performance

Cleanout Install Cleanout Install Pace

Cleano

Point Repairs

3 – crews

• Point repairs, taps and service

replacements

• Manhole repair/replacements

• Smoke testing defects

CITYWORKS PENDING WORK

CCTV showed issues with point repairs

sinking because of old style rubber

adapters we currently use shearguards

WHY WE CHOSE QUICK LOCK

• Trenchless no-dig point repair

• Utility Locates are not required. No wait time.

• Permanent, reliable, and instant fix

• Can be installed with flow present

• No resins = no cure time or restricted time

frame to position sleeve

• Cost Savings = average of $800 per point

repair vs open cut

CCTV picture of fracture

allowing infiltration.

After Repair

0

20

40

60

80

100

120

140

Point Repair Performance

Open Cut Trenchless Total Point Repairs Point Repair Pace

City of Denton In-house Construction

2 – Crews

• Conventional Open Cut

Construction

• Pipe Bursting

• 16,000 feet Per Year Goal

• Utility Coordination?

-

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

Main Replace Performance

YORK, MICHAEL GARCIA, SETH Main Replace Pace

Feet

FOG Outreach and Enforcement

Program

Root Treatment

• Tree Canopy data used to

determine what lines to

chemically root treat

• Quick cam is now used to

notify of root issues and is

documented in Cityworks

• Now we have visual

confirmation of root issues

prior to chemical treatment

EMPLOYEE ENGAGEMENT & BUY IN

• Goals are transparent

• Goals are measurable

• All staff aware of the goals

• Regular meetings with staff

• Review progress

• Make adjustments

• Recognition –amplifies positive behaviors that drive results

Results will follow

0

150

300

450

600

0

50

100

150

200

250

300

350

400

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

Sy

ste

m L

en

gth

(mile

s)

Ac

tiv

ity

Co

un

t

Main Chokes and Point Repairs

Main Choke Point Repair System Length

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

0

20

40

60

80

100

120

140

160

180

200

Repeat Main Chokes by Year

Total

0

5,000

10,000

15,000

20,000

25,000

30,000

35,000

40,000

0

100

200

300

400

500

600

700

800

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

Cu

sto

me

r Co

un

tAc

tiv

ity

Co

un

t

Service Chokes and Service Replacements

Customer Problem Service Choke Service Replace Total Connections

0

20

40

60

80

100

120

140

Service Replace Performance

Service Replace Service Replace Pace

0

100

200

300

400

500

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

Se

rvic

e C

ho

ke

s

Repeat Service Chokes by Year

Total

QUESTIONS?

Justin Diviney

[email protected]

940-349-8489

mailto:[email protected]

136

Discussion

water partnering meeting 9:30 am june 15, 2016 - …...2016/06/15 · sierra club, national...

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