NTMWD SPECIAL BOARD MEETING

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1 Regional Service Through Unity Meeting our Region s Needs Today and Tomorrow NTMWD SPECIAL BOARD MEETING September 13, 2018

The Pledge of Allegiance to the Flag of the United States of

America, and to the Republic for which it stands, one Nation

" The Pledge of Allegiance to the Texas State Flag "Honor the

2 The Pledge of Allegiance to the Flag of the United States of America "I pledge allegiance to the Flag of the United States of America, and to the Republic for which it stands, one Nation under God, indivisible, with liberty and justice for all." The Pledge of Allegiance to the Texas State Flag "Honor the Texas flag; I pledge allegiance to thee, Texas, one state under God, one and indivisible."

4 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Environmental Impacts of Release Outreach & Claims Response Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

5 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Environmental Impacts of Release Outreach & Claims Response Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

6 NORTH GARLAND PIPELINE SYSTEM Prestressed Concrete Cylinder Pipe (PCCP)

7 NORTH GARLAND PIPELINE SYSTEM 2017

8 NORTH GARLAND PIPELINE SYSTEM 1995

9 NORTH GARLAND PIPELINE SYSTEM Dated 1998

10 PIPELINE BACKGROUND Embedded Cylinder - Prestressed Concrete Cylinder Pipe (EC-PCCP)

11 PIPELINE BACKGROUND Fabricated (Section II) Designer Freese and Nichols, Inc. Forrest & Cotton, Inc. Manufacturer Gifford-Hill-American, Inc. Gifford-Hill-American, Inc. Type AWWA C301 PCCP AWWA C301 PCCP Contractor Cullum Construction A & A Construction Pressure Class 75 psi 100 psi Approx. Cover 7 (1980) 4 (1965) 19 (1979) Life Expectancy years* years* *First PCCP manufactured in United States in 1953

Response Environmental Impacts of Release Governmental

12 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Outreach & Claims Response Environmental Impacts of Release Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

13 NTMWD OPERATIONS RESPONSE Thursday, August 30 th 2:50pm Richardson reports main break at 4517 Crystal Mountain Dr. Suspected to be in 60 main 3:24pm NTMWD personnel arrive on scene 3:30pm All North Garland Pumps de-energized 3:35pm Isolation of 60 main started 3:36pm NTMWD management notified 3:50pm Control Room notifies/updates Richardson & Garland staff 4:15pm Maintenance arrives on scene & Pump #9 started to verify broken transmission main 7:52pm NTMWD initiated investigation of break on 72 main 9:00pm Pipe manufacturer contacted 8:45pm Break confirmed on 72 main. Isolation of 72 began 9:30pm 72 main isolated and 60 placed into service 10:30pm Pipe exposed

14 NTMWD OPERATIONS RESPONSE Friday, August 31 st 4:25am Pipeline exposed, not completely excavated. Pipe manufacturer arrives on scene 11:00am Conference call with affected cities served noon NTMWD requested curtailment outdoor watering Saturday, September 1 st 2:00am Trench box installed 9:32am Daily Operations update ed to affected cities 1:00pm 275-ton crane arrived 1:30pm Began removal of damaged pipe section 7:00pm Pipe preparation work for installation of new pipe begins 11:20pm First pipe section set

15 NTMWD OPERATIONS RESPONSE Sunday, September 2 nd 12:20am Second pipe section set 2:45am Pipe sections aligned and welding begins 9:29am Daily Operations update ed to affected cities 4:00pm Welding finishes 5:00pm 72 pipe pressurized 5:20pm Leak observed at gasketed joint 9:45pm Welding begins to repair leak Monday, September 3 rd 9:53am Daily Operations update ed to affected cities 3:20pm 72 pipe pressurized. No leaks observed 4:15pm 72 pipe returned to service 7:24pm NTMWD lifted outdoor watering curtailment request

NTMWD OPERATIONS RESPONSE Tuesday, September 4 th 11:24am Final Daily Operations update emailed to affected cities Grouting of pipe and cleanup begins Future Work

16 NTMWD OPERATIONS RESPONSE Tuesday, September 4 th 11:24am Final Daily Operations update ed to affected cities Grouting of pipe and cleanup begins Future Work Restoration of damaged paving, mail boxes and grass Drain 72 pipeline for installation of internal butt strap during winter Forensic investigations Internal inspections

17 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Environmental Impacts of Release Outreach & Claims Response Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

18 RELEASE OF WATER FROM 72-INCH WATER MAIN Environmental Impact of Release 490 dead fish due to chlorinated water Date Collected Species Friday, 8/ Various Saturday, 9/1 153 Various Sunday, 9/2 15 Various Monday, 9/3 0 Tuesday, 9/4 0 Species include Bass, Carp, Catfish, Shad & Sunfish Fish collected were disposed of at 121 RDF No other impacts observed (Turtles, Birds, etc.) Environmental impact reported to TCEQ

19 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Environmental Impacts of Release Outreach & Claims Response Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

20 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Services/Goods Provided Cost Concrete Replacement Paving $343,708 Replacement Pipe $100,000* Excavator Rental $85,000* Landscape, Mail Boxes, Irrigation $50,000* Crane Services $45,682 2" Asphalt Cap Overlay $39,840 Total $664,230 Other Expenses To Include: Flowable Fill Tools, Trench Boxes, Etc. 8" Pump Rental Air Compressor Light Tower Subtotal: $31,365 Total Expenses $695,595 * indicates estimated amount Funds to be made available from the Regional Water System Contingency Fund 20

21 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Reimburse Citizens - Estimate Temporary lodging, meals, transportation and other related expenses $20,000 Funds to be made available from the Regional Water System Operating Budget 21

22 72-INCH PIPELINE FAILURE INFORMATION PROVIDED TO HOMEOWNERS August 30, 2018 (Thursday) A. The Executive Director and other senior staff canvassed the area impacted by the water main break. Residents of the impacted area were asked if they received water damage and/or were affected by power outages. B. Upon consultation with Members of the Executive Committee, a memo to Residents of the Knolls at Breckinridge, dated August 30, 2018, was provided to available residents or taped to the front door. In part, the memo provided the following: NTMWD would reimburse residents for temporary lodging, transportation and meals for the next few days. Recommendation for residents to contact their homeowners insurance. August 31, 2018 (Friday) A. The Executive Director and other senior staff revisited the impacted area, seeking additional information regarding the extent of damages. B. A second memo, dated August 31, 2018, to Residents of the Knolls at Breckinridge, provided the following: Information regarding Texas Water Conservation Association Risk Management Fund (TWCARMF), NTMWD s third party administrator, and Reimbursement procedures for temporary lodging, meals, transportation and other related expenses. 22

23 72-INCH PIPELINE FAILURE INFORMATION PROVIDED TO HOMEOWNERS, continued September 1, 2018 (Saturday) A. Senior staff coordinated with TWCARMF personnel to review contact information and claims processing procedures for residents impacted by the water main break. September 2, 2018 (Sunday) A. Senior staff coordinated with TWCARMF personnel to ensure that voic messages were being checked regularly and return calls were being coordinated. September 3, 2018 (Monday-Labor Day) A. The Executive Director and other senior staff continued to meet and visit with homeowners, addressing concerns and encouraging homeowners to file claims against their homeowners insurance and also with the TWCARMF. September 4, 2018 (Tuesday) A. The Executive Director and other senior staff revisited the impacted area. B. A third memo, dated September 4, 2018, to Residents of the Knolls at Breckinridge, which provided detailed additional TWCARMF and NTMWD contact information. 23

24 72-INCH PIPELINE FAILURE INFORMATION PROVIDED TO HOMEOWNERS, continued September 7, 2018 (Friday) Following TWCARMF s direct contact with residents that filed a claim, NTMWD provided a similar notice via to those residents from the impacted area. In part, the notice included the following explanations: 1. NTMWD, as a Texas governmental entity, has governmental immunity from claims, unless the damages experienced were caused by certain limited conditions identified in the Texas Tort Claims Act. 2. Under the Texas Tort Claims Act, a governmental entity can only be liable for property damage caused by the wrongful act or negligence of an employee acting within the scope of his employment, and such damage must arise from the operation or use of a motor-driven vehicle or motor-driven equipment. 3. A governmental entity may not use public funds to pay private claims where it is immune. 4. Homeowners are encouraged to continue working with their insurance provider to seek coverage. 24

25 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Outreach & Claims Response Environmental Impacts of Release Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

26 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Outreach & Claims Response Environmental Impacts of Release Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

27 CLICK TO EDIT MASTER TITLE STYLE PUBLIC COMMENTS The Board of Directors allows individuals to speak to the Board. Prior to the meeting, speakers must complete and submit a Public Comment Registration Form. The time limit is five (5) minutes per speaker, not to exceed a total of thirty (30) minutes for all speakers. The Board may not discuss these items, but may respond with factual or policy information.

28 72-INCH PIPELINE FAILURE AND REPAIR IN RICHARDSON, TEXAS Outline Pipeline Background NTMWD Operations Response Outreach & Claims Response Environmental Impacts of Release Governmental Responsibilities & Liabilities Public Comments Executive Session: Consultation with Attorney

* * * * PUBLIC NOTICE * * * *

* * * * PUBLIC NOTICE * * * * NOTICE OF A CITY COUNCIL SPECIAL SESSION IMMEDIATELY FOLLOWING A WORKSHOP SESSION OF THE CITY OF CORINTH Thursday, August 9, 2018, 5:30 P.M. CITY HALL - 3300 CORINTH PARKWAY