Water 101 ARMRS Training Presented by Pacific Northwest National - PowerPoint PPT Presentation

Water 101 ARMRS Training Presented by Pacific Northwest National Laboratory November 7, 2017 UNCLASSIFIED/FOUO Leadership. Energy. Execution. 1

ARIMD Water Team • Trey Lewis • Kate McMordie Stoughton • Susan Loper • Brian Boyd • Emily Wendel UNCLASSIFIED/FOUO Leadership. Energy. Execution. 2

Agenda • Introduction • Water balance development • Water efficiency • Alternative water • Water security • Q&A UNCLASSIFIED/FOUO Leadership. Energy. Execution. 3

AEWRS Water Categories Industrial, Alternative water Potable Definition : Applications that Landscaping, and Definition : Applications that use water NOT sourced from use water that is of sufficient Agricultural (ILA) freshwater; sources include quality for human Definition : Applications that use consumption rainwater, condensate, non-potable water from a Reporting : Quarterly water discharge reuse freshwater source (surface or use for ALL applications that Reporting : Quarterly water groundwater) in ILA applications use potable water (building use from alternative water Reporting : Quarterly water use fixtures, vehicle wash, and sources for only non-potable freshwater landscape irrigation) used in ILA applications UNCLASSIFIED/FOUO Leadership. Energy. Execution. 4

Federal Legislation • Energy Policy Act of 2005 - Water conservation measures and technologies must be life cycle cost-effective • Energy Independence and Security Act 2007 – 25% of covered facilities will be evaluated for water and energy annually • Agency Strategic Sustainability Performance Plan – Integrates requirements into a holistic departmental sustainability strategy • Executive Order (EO) 13693 – Released March 2015; supersedes EO 13423, EO 13514  EO 13423 – 2% annual potable water use intensity (WUI) reduction – 16% by fiscal year (FY) 2015, based on FY07 baseline  EO 13514 – Extends EO 13423 through FY20; adds industrial, landscaping, and agricultural (ILA) water use reduction UNCLASSIFIED/FOUO Leadership. Energy. Execution. 5

Water Strategy Execution Plan – “Water House” 36% Reduction in Indoor Water Use by 2025 30% Reduction in ILA Water Use by 2025 Goal 3: Utilize Alternative Water Goal 1: Increase Water Efficiency Goal 2: Promote Water Conservation Sources 2.1 Train key staff in water conservation 1.1 Operate and maintain existing buildings 3.1 Develop and plan alternative water to be water efficient projects 2.2 Develop and deploy a water education 1.2 Upgrade equipment and infrastructure and awareness program 3.2 Maintain alternative water systems to be water efficient 2.3 Share best practices 1.3 Design and renovate water efficient buildings and systems Goal 4: Build a Sustainable Water Program Foundation 4.1 Communicate program successes and lessons learned 4.2 Utilize data to improve water management 4.3 Support the implementation of Net Zero Water sites UNCLASSIFIED/FOUO Leadership. Energy. Execution. 6

Net Zero Water Reduce demand Utilize Increase alternative efficiency water UNCLASSIFIED/FOUO Leadership. Energy. Execution. 7

OCAR Water Use Intensity Progress Installation Comparison Water Performance FY07 - FY16 Facility Potable Water Use Intensity (gallon per square foot) 20% Sites did not report FY07 baseline data; WUI reduction is based on FY noted in bar Water Use Intensity 2.6 78.8 70.5 13.6 9.1 9.6 8.6 5.1 8.1 1.9 12.9 (gal/sf) 0% Water Use Intensity Change from Baseline (%) 9TH MSC 63RD RSC DEVENS RFTA FORT BUCHANAN FORT HUNTER LIGGETT FORT MCCOY PARKS CSTC 88TH RSC 81ST RSC 99TH RSC USAR -20% FY12 FY13 FY13 FY12 -40% WUI % Change FY16 Water Use Intensity Reduction Goal WUI % -60% 18% Reduction Goal -80% -100% UNCLASSIFIED/FOUO Leadership. Energy. Execution. 8

UNCLASSIFIED/FOUO Water Use (million gallons) 100 150 200 250 50 0 FY2013Q1 Volumetric Water Use Total for OCAR by Quarters (FY13-FY17) FY2013Q2 FY2013Q3 OCAR Volumetric Water Use FY2013Q4 FY2014Q1 FY2014Q2 FY2014Q3 Leadership. Energy. Execution. FY2014Q4 FY2015Q1 FY2015Q2 FY2015Q3 FY2015Q4 FY2016Q1 FY2016Q2 FY2016Q3 FY2016Q4 FY2017Q1 FY2017Q2 FY2017Q3 FY2017Q4 9

Comprehensive Assessment Process Planning and Data Analysis Implementation Walkthrough and Monitoring Survey Water Efficiency Water Measures Balance and Plan UNCLASSIFIED/FOUO Leadership. Energy. Execution. 10

Water Balance Water Uses • Metered Uses • Estimated Uses • Leaks/Losses Water Sources • Municipal Systems • Surface Water • Groundwater UNCLASSIFIED/FOUO Leadership. Energy. Execution. 11

Water Balance Steps Determine water Estimate end-uses supply • Collect water • Create an bills for at least equipment one year inventory: • Total site annual • Plumbing water use • Irrigation • Vehicle wash • Gather data on equipment • Estimate water use UNCLASSIFIED/FOUO Leadership. Energy. Execution. 12

Water Balance Total Water Supply ≥ ∑ Water Uses Difference “unknown” Water Water Supply Uses Unknown water use: • Leaks Supply Plumbing • Errors in Supply Irrigation estimating Total Water methods Use Vehicle Supply • Wash Accounting errors Supply Unknown UNCLASSIFIED/FOUO Leadership. Energy. Execution. 13

Water Balance Examples BT Collins Camp Parks Misc Vehicle Wash 4% Leaks/losses 15% 10% Dining Irrigation Leaks/losses 7% 36% Plumbing 10% Vehicle Wash 45% 1% Dining Plumbing 12% 18% Irrigation Irrigation Leaks 17% 25% UNCLASSIFIED/FOUO Leadership. Energy. Execution. 14

Water Balance Example Irrigation Plumbing Other Losses Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep UNCLASSIFIED/FOUO Leadership. Energy. Execution. 15

Water Efficiency Measures Federal Energy Management Program (FEMP) Water Efficiency Best Management Practices (BMPs) • Water Management 1 8 • Boiler/Steam Systems Planning 2 • Information and Education 9 • Single Pass Cooling 3 • Leak Detection 10 • Cooling Towers 4 11 • Water-Efficient Landscape • Commercial Kitchens 5 12 • Water-Efficient Irrigation • Lab/Medical Equipment 6 • Toilets & Urinals 13 • Other Intensive Equip . 7 • Faucets & Showerheads 14 • Alternative Water Sources FEMP BMPs: http://energy.gov/eere/femp/best-management-practices-water-efficiency UNCLASSIFIED/FOUO Leadership. Energy. Execution. 16

Operation and Maintenance Assess, Improve, and Maintain (AIM) Assess Plumbing Improve Assess equipment’s Landscape and Maintain current condition, Irrigation Systems Implement assess operation strategies to Maintain and maintenance Vehicle Wash improve water equipment that practices efficiency optimizes water use Dining Equipment UNCLASSIFIED/FOUO Leadership. Energy. Execution. 17

EPA WaterSense High Efficiency Tank Toilets High Efficiency Private Lavatory Faucets High Efficiency Flushing Urinals High Efficiency Showerheads Certified Irrigation Professionals Advanced Landscape Controllers Pre-rinse Spray Valves WaterSense Website: http://www.epa.gov/watersense/ UNCLASSIFIED/FOUO Leadership. Energy. Execution. 18

High Efficiency Plumbing Toilets Urinals “Low flow” is a NO GO! Faucets Showerheads UNCLASSIFIED/FOUO Leadership. Energy. Execution. 19

High Efficiency Plumbing High Efficiency Toilet (HET) ≤ 1.28 gallon per flush (gpf) Standard Toilet = 1.6 gpf Gravity Dual flush Pressure assisted UNCLASSIFIED/FOUO Leadership. Energy. Execution. 20

High Efficiency Plumbing High Efficiency Urinals (HEU) ≤ 0.5 gpf Standard Urinal = 1.0 gpf Flushing Nonwater Urinal Most efficient flushing urinal: 1 pint per flush UNCLASSIFIED/FOUO Leadership. Energy. Execution. 21

High Efficiency Plumbing Diaphragm vs. Piston Diaphragm Piston Look for long flush cycles There is some over 5 seconds. evidence that Bypass orifice piston valves can become do not operate clogged, which properly at causes long pressure over flush cycles and 80 psi water waste Acceptable pressure range: 20-80 psi UNCLASSIFIED/FOUO Leadership. Energy. Execution. 22

High Efficiency Plumbing High Efficiency Faucets - Private vs. Public • Private faucets: residential, hospitals, hotels – High efficiency private faucets ≤ 1.5 gpm – Standard private faucets = 2.2 gpm • Public faucets: offices, training facilities – Plumbing code requires all public faucets not to exceed 0.5 gpm Sensored faucets do not save water! UNCLASSIFIED/FOUO Leadership. Energy. Execution. 23

High Efficiency Plumbing High Efficiency Showerheads ≤ 2.0 gpm Standard Showerheads = 2.5 gpm WaterSense Specification • Flow rate cannot exceed 2.0 gpm • Performance: Must meet minimum spray force and coverage • Pressure compensating heads maintain pressure at the head UNCLASSIFIED/FOUO Leadership. Energy. Execution. 24