Implementing EMS to Improve Operational Performance and Energy Management for Dallas Water Utilities. TACWA Meeting May 31, 2013

Transcription

1 Implementing EMS to Improve Operational Performance and Energy Management for Dallas Water Utilities TACWA Meeting May 31, 2013

2 City of Dallas - Continued Growth Dallas' forecast calls for continued growth in jobs and residents for the coming decades. The City s comprehensive plan projections detail that the city will add hundreds of thousands of households and jobs by Dallas Economic Development (dallas-ecodev.org) 2010 Dallas & Dallas-Fort Worth Demographics City of Dallas Dallas-Fort Worth Population 1,197,816 6,371,773 2 Design Services for the Built Environment

3 Dallas Water Utilities 2.4 Million Customers $280 M Annual Capital Budget 1,500 Employees $550 M Annual Operating Budget 28 Divisions 3 Design Services for the Built Environment

4 DWU Mission and Vision Mission: 1. Provide services vital to the health and safety of Dallas citizens and our customers 2. Provide excellent response to the needs of our customers at a fair and reasonable cost 3. Value and respect our employees 4. Continuously plan for the future Vision: To be an efficient provider of superior water and wastewater service and a leader in the water industry. 4 Design Services for the Built Environment

5 DWU Customer Base DALLAS WATER UTILITIES CUSTOMERS DENTON TARRANT COLLIN ROCKWALL L E G E N D DALLASRETAIL SERVICEAREA WHOLESALE CUSTOMERS DALLAS KAUFMAN TREATED WATER CUSTOMER UNTREATED WATER CUSTOMER TREATED & UNTREATED WATER CUSTOMER 21april10 DALLAS ELLIS 5 Design Services for the Built Environment

6 Dallas Water Utilities Current Operations Water Operations 3 Treatment Plants 900 MGD Treatment Capacity Surface Water from 6 Reservoirs Distribution and Pumping 22 Pump Stations 21 Water Storage Tanks Approx. 4,900 miles of Transmission and Distribution Lines Wastewater Operations 2 Treatment Plants 260 MGD Treatment Capacity Approx. 4,000 miles of Sewers 15 Wastewater Pump Stations 6 Design Services for the Built Environment

7 Presentation Outline 1. City of Dallas Moves to EMS 2. Utility Management Systems a. ISO14001 EMS b. ISO9001 c. OHSAS Operational Performance Improvements a. Water b. Energy 7 Design Services for the Built Environment

8 EMS at The City of Dallas EPA Inspections of City Facilities EPA enforcement order issued resulting in penalty $800,000 and $1.2 million environmental projects Winter 2004 Office of environmental quality (OEQ) created reporting to City manager s office EMS implementation begins in departments with environmental impacts using ISO EMS standard 8 Design Services for the Built Environment

9 City of Dallas EMS Departments Aviation Sanitation Police Fire Streets Dallas Water Utilities Parks and Recreation Convention Center Equipment & Building Services Code Public Works 9 Design Services for the Built Environment

10 Drivers for Utility Management System Consent Decree Operational Performance Legacy Planning Maintaining consistent institutional knowledge Risk Management 10 Design Services for the Built Environment

11 EMS Development Initial Drivers for EMS 11 Design Services for the Built Environment

12 Utility Management System ISO14001 Environmental Management System ISO Quality Management System OHSAS Occupational Health and Safety Management System 12 Design Services for the Built Environment

13 Plan, Do, Check, Act 13 Design Services for the Built Environment

14 Achieving Certification ISO 9001 ISO OHSAS Design Services for the Built Environment

15 DWU UMS Structure 15 Design Services for the Built Environment

16 DWU UMS Structure 16 Design Services for the Built Environment

17 Key DWU UMS Objectives and Targets Objectives Targets Results Increase the amount of highly treated wastewater effluent for reuse purposes. Reduce average electrical use per MG treated at Wastewater Treatment Plants. 5MGD by end FY % (250 KWH/MG) from FY baselines by Improve Operational Performance Pipeline complete. Pending permit modifications On Target Reduce the average per capita demand over the next 5-year planning horizon as outlined in the water conservation strategic plan update. Construct a Grease Receiving Station at SWWTP Average 1.5% per capita FY 10/11-14/15 Increase methane production and reduce grid derived electrical consumption. Exceeded Target Ongoing 17 Design Services for the Built Environment

18 ISO Tracking Tool Improve Operational Performance 18 Design Services for the Built Environment

19 Document Testing Improve Operational Performance 19 Design Services for the Built Environment

20 Document Testing Improve Operational Performance 20 Design Services for the Built Environment

21 DWU s Water Conservation Efforts Goal of producing 5 million gallons per day (mgd) of Reuse throughout DWU. Reduce Potable Water Usage at DWU Treatment Facilities Citywide Efforts: Time of Day Watering Plumping and Irrigation System Repairs Twice Weekly Watering Schedule Free Toilet Replacement Program Reduce Water Usage 21 Design Services for the Built Environment

22 FY1996 FY1997 FY1998 FY1999 FY2000 FY2001 FY2002 FY2003 FY2004 FY2005 FY2006 FY2007 FY2008 FY2009 FY2010 FY2011 FY2012 FY2013 FY2014 FY2015 GPCD Water Conservation Trends Reduce Water Usage Time-of-day watering restrictions adopted Initial conservation goal: 1% per year 230 New conservation goal: Projected Water Use without Conservation Actual Water Use Conservation Goals Conservation efforts have reduced gallons per capita per day in Dallas by 22% since 2001 resulting in: An estimated water savings of over 165 billion gallons or 15 billion gallons annually An energy savings of million kilowatt hours of electricity A reduction in greenhouse gas emissions by 304,657 tons 22 Design Services for the Built Environment

23 Energy Management Energy Management Implementation Plan (EMIP): Over 20 Projects Developed to help The City of Dallas Reach Their Energy Management Goals Energy Management Goal: Reduce Power Usage 15% by 2013, based on FY baseline. Projects in the EMIP include improvements to SWWTP to: Increase Efficiency Reduce kwh/mg Treated Utilize all On-Site Resources to Reduce Costs and Precious Resource Consumption. Reduce Power Usage 23 Design Services for the Built Environment

24 Energy Management 24 Design Services for the Built Environment

25 Energy Management 25 Design Services for the Built Environment

26 Energy Management 26 Design Services for the Built Environment

27 Energy Management 27 Design Services for the Built Environment

28 Energy Management 28 Design Services for the Built Environment

29 Energy Management ROI in Millions 29 Design Services for the Built Environment

30 EMIP Initiatives Reduce Power Usage Energy Security Power Factor Correction Capacitors Renewable Energy Augmentation Aerated Grit Blower Replacement Water Reuse Implementation 30 Design Services for the Built Environment

31 Oncor Energy Audit Energy Audit Recommendations: More Efficient Lighting Systems Install VFDs on Pumps Building Upgrades: Replace AC Units Occupancy Sensors for Lights Time of Day Temperature Setting Reduce Power Usage 31 Design Services for the Built Environment

32 Additional EMIP Initiatives Reduce Power Usage Sidestream Blower Replacement Automation of Major Pumping Systems Biogas Utilization and Management Evaluation of Major Building Systems DO Management Operational Changes to Energy Management Process Specific Demand Monitoring 32 Design Services for the Built Environment

33 BAU Consumption and Cost Baseline Reduce Power Usage 33 Design Services for the Built Environment

34 Greenhouse Gas Inventory and Baseline Reduce Power Usage 34 Design Services for the Built Environment

35 EMIP Management System Dashboard No. EMIP Project Summary Project Driver Status Aerated Grit System Blower Evaluation MGMT Ongoing BAU Consumption and Cost Baseline MGMT Completed Biogas Utilization and Management WWMP Ongoing Chlorination Dechlorination Chemical Feed Automation MGMT Pending BTMP Dissolved Oxygen Management WWMP Ongoing 35 Design Services for the Built Environment

36 Nov-05 May-06 Nov-06 May-07 Nov-07 May-08 Nov-08 May-09 Nov-09 May-10 Nov-10 May-11 Nov-11 May-12 SWWTP Energy Trends Reduce Power Usage 7,000,000 SWWTP Energy Use and Log Cabin Rd. 6,000,000 5,000,000 Co-gen Online 4,000,000 3,000,000 2,000,000 1,000, Design Services for the Built Environment

37 EMIP Next Steps and Future Goals DWU Wide Platform Integrated into UMS Reduce Power Usage Measurement and Verification of Progress Executive Summary Updates to Demonstrate ROI 37 Design Services for the Built Environment

38 Benefits of the EMIP Reduce Power Usage Costs Savings Provides Business Case & ROI Benefits of EMIP Reduced Energy Usage Increased Energy Security 38 Design Services for the Built Environment

39 AWWA Opflow Feature Article, Dec Design Services for the Built Environment

40 Acknowledgements 40 Design Services for the Built Environment