sustainable water reclaim systems - iapmo group · 2016-05-13 · sustainable water reclaim...
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J O N G R A Y C P D
P R I N C I P A L
Sustainable Water Reclaim Systems:Designing withinRegulatory Challenges
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J O N G R A Y , C P DP R I N C I P A L
• Specializes in water conservation and sustainable
plumbing system design
• 40+ years in the contracting and engineering
industry
• Plumbing design of 100+ LEED buildings and
several Net-Zero buildings
• 8 years as Chairman of the Board, State or Oregon
Plumbing Board
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LEGISLATIVE CHANGES
AND THE ADVOCACY PROCESS
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OREGON ROAD MAP
Water Uses
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OREGON ROAD MAP
Water Savingwith Rainwater
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• Irrigation/garden hose bibs
• Toilet / urinal flushing
• Clothes washing
• Heating, ventilation & air conditioning (HVAC)
Apartments, daycares and schools arenow eligible for alternate methods
Alternate MethodsRainwater approved uses
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OREGON ROAD MAP
Water Savingwith Greywater
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•Toilet / urinal flushing
Alternate MethodsWater Conservation Approved Uses:
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BlackwaterOREGON ROAD MAP
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House Bil l 2080Greywater Reuse and Disposal
TYPE 1is untreated or has passed through a physical process to remove solids, fats, oils and grease.
subsurface irrigation
TYPE 2is treated by a chemical or biological process to reduce total suspended solids and organic matter concentrations.
drip irrigation /landscape ponds
TYPE 3is treated to Type 2 standards and disinfected to reduce bacteria and other potential pathogens.
sprinkler irrigation /dust control.
Uses
:
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Oregon Road Map
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Oregon Road Map
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For Oregon, we have made the following possible through
our alternative method process:
• Drink your rainwater at home
• Drink rainwater commercially complying with state drinking water division standards
• Reclaim greywater for non-potable uses in commercial projects
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CALCULATING RAINWATER CAPTURE
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RAINWATER CALCULATOR
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RAINWATER CALCULATOR
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RAINWATER CALCULATOR
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RAINWATER CALCULATOR
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CASE STUDIES
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Oregon Sustainability Center
Building stats:
• 100,000 sf
• Offices / Mixed-Use
• 7- 9 stories
• Up to 1,400 FTE’s
Unbuilt due largely to regulatory challenges and the
Portland City Council not approving funding, the Oregon
Sustainability Center was a proposed high-rise designed
to meet the Living Building Challenge
CASE STUDY: OSC
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Oregon Sustainability Center
• 22,000 sf roof area provides
393,000 gallons per year
• Rainwater for potable uses
• Wastewater treatment system
Need to write any and all appeals
to codes and statutes as well as SDC
reductions
CASE STUDY: OSC
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Water Savings
CASE STUDY: OSC
Water Usage Base Case Low Flow Fixtures
Proposed Water Use Reduction
+ Rainwater Collection
Proposed Water Use Reduction
+ Blackwater Recycling
Proposed Water Use Reduction
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Edith Green-Wendell Wyatt
Building stats:
• LEED Platinum Certified
• 437,000 sf
• Offices
• Renovation
• 18 stories
Federal Building
CASE STUDY: EDITH GREEN-WENDELL WYATT
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CASE STUDY: EDITH GREEN-WENDELL WYATT
Rainwater Reuse System
62% Potable Water Use Reduction
• Low-flow fixtures• Rainwater collection
& reuse• Stormwater controls
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CASE STUDY: EDITH GREEN-WENDELL WYATT
Water Usage Base CaseARRA Goal = 20% Indoor Potable Water Reduction
50% Outdoor Potable Water Reduction
Low Flow FixturesProposed Water Use Reduction
+Rainwater CollectionProposed Water Use Reduction
Water Savings
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CASE STUDY: EDITH GREEN-WENDELL WYATT
RoadMap
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CASE STUDY: EDITH GREEN-WENDELL WYATT
Annual Water Use
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CASE STUDY: EDITH GREEN-WENDELL WYATT
Annual Water Storage
Irrigation ends
Irrigation begins
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Chatham University
Building stats:
• LEED Platinum goal
• Net-Zero Energy goal
• Passive House goal
• Living Building goal
• 388 acre site, 110,000 sf
• Renovation
• 18 stories
Eden Hall Campus
CASE STUDY: CHATHAM UNIVERSITY
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CASE STUDY: CHATHAM UNIVERSITY
SitePlan
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CASE STUDY: CHATHAM UNIVERSITY
WaterFlow
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CASE STUDY: CHATHAM UNIVERSITY
Chatham was to be the first campus built in the U.S. from the ground up
to integrate sustainable development, living, and learning:
• Net zero water on an average across the campus (the
campus, on an average rainfall year, would have utilized
water from the Richland Township)
• Potable water would have been provided from the
rainwater collection and filtration system
• Incorporated a constructed wetland to treat sewage,
providing non-potable water to plumbing fixtures and
irrigation
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San Ysidro USLand Port of Entry
Project stats:
• 102,000 people cross the
border each day
• 200,000 sf
• Conserving water and energy
LEED Platinum, Design Excellence
CASE STUDY: SAN YSIDRO US LAND PORT OF ENTRY
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400,000 gallon cistern
CASE STUDY: SAN YSIDRO US LAND PORT OF ENTRY
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CASE STUDY: SAN YSIDRO US LAND PORT OF ENTRY
Membrane Bioreactor SystemHeadhouse (HH)
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CASE STUDY: SAN YSIDRO US LAND PORT OF ENTRY
• Black water re-use from all connected fixtures for irrigation, mechanical makeup, toilet/urinals and wash-down
• Stormwater capture for irrigation and toilet flush
• Efficient fixtures• Net-Zero stormwater discharge
via green infrastructure (aquifer recharge)
Water Conservation Strategies
28 MILLION GALLONS SAVED= 230 typical households per year
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CASE STUDY: SAN YSIDRO US LAND PORT OF ENTRY
Water and Waste
40‐YEAR COST SAVINGS: $3.6 MILLION
Conventional EfficientIrrigation
Low‐Flow Fixtures
CondensateRecovery
RainwaterHarvesting
MBR
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CASE STUDY: SAN YSIDRO US LAND PORT OF ENTRY
Water Saved• 93% potable water use
reduction
• 28 million gallons saved
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
University of Hawaii Mānoa
• Net-Zero Water goal
• Net-Zero Energy goal
• 28 million gallons saved
Infrastructure & Master Planning
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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CASE STUDY: UHM INFRASTRUCTURE AND WATER MASTER PLAN
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I N T E R F A C E E N G I N E E R I N G
Any Questions?