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Track C. Onsite Water Reuse Strategies. December 10, 2007 Donna Hartman, M.Eng., P.Eng. GE Water & Process Technologies. Land with Poor Percolation. Use treated wastewater for toilets 90% of the wastewater in an office building 50 to 70 % in a shopping mall - PowerPoint PPT PresentationTRANSCRIPT
Track C
December 10, 2007
Donna Hartman, M.Eng., P.Eng.
GE Water & Process Technologies
Onsite Water Reuse Strategies
Land with Poor PercolationUse treated wastewater for toilets
90% of the wastewater in an office building
50 to 70 % in a shopping mall
70 to 80 % in a theater or sports arena
That percentage of the drain field is saved
We have been doing this since 1975
Water Recycle can Earn up to6 LEED™ Certification Points
Certified 26–32 points Silver 33–38 points Gold 39–51 points Platinum 52–69 points
Water Efficiency 1. Water Efficient Landscaping, Reduce by 50% (1 point)2. Water Efficient Landscaping, No Potable Use (1 point)3. Innovative Wastewater Technologies (1 point)4. Water Use Reduction, 20% Reduction (1 point)5. Water Use Reduction, 30% Reduction (1 point)
Innovation & Design Process6. Innovation in Design (1 point)
Real World Experience
School and Office Parks
Stadiums and Entertainment Properties
Shopping and Outlet Mall Developments
Hotel and Resort PropertiesHousing Developments and Golf Courses
Gaming Casino Developments
Toilet RecycleProject Name Capacity Direct reuse Direct Reuse Yearly Total
gpd gpd % gpd
Wrenthan Mall 57,000 45,600 80 20,805,000
Clinton Crossings 15,000 11,250 75 5,475,000
Westbrook 19,000 13,680 72 6,935,000
Pohatcong Plaza 10,000 9,000 90 3,650,000
Arimis 2,500 1,625 65 912,500
Copper Hill School 1,500 1,155 77 547,000
Dutch Country Market 2,000 860 43 730,000
Franklin Mutual Ins. 1,200 660 55 438,000
Bloomberg 15,000 9,900 66 5,475,000
Convotec 4,000 2,960 74 1,460,000
Jefferson 3,000 2,310 77 1,090,000
Princeton Montessori 3,000 2,010 67 1,095,000
Skylands Baseball 10,000 8,000 80 3,650,000
Colts Neck School 16,000 14,000 90 5,840,000
Solaire Apartments Battery Park25,000 gpd
27-story luxury building in Battery Park NY
293 units averaging 1,100 square feet in size
LEED Gold certified
Nation’s first environmentally responsible high-rise building
Features the first onsite water recycling system in the U.S. built inside a multi-family, residential building
ZeeWeed MBR treats and recycles the building’s wastewater for toilet flushing, irrigation and cooling towers
Backwash Water Storage Tank
Control Panel
Solaire Apartments Battery Park – Basement Layout
70
ft
27 ft
Mem
bra
ne
tan
k
an
d b
iore
acto
rP
re-t
reatm
en
t
Process Equipment
Water Storage Tanks
80 ft
Pittsburgh Convention Center (PCC)June 2003
The first “green” convention center and the world’s largest “green” building
LEED Gold certified
1.5 million square foot assembly facility
50,000 gpd
Features GE water reuse system
Wastewater from all drains will be treated and reused for toilet flushing water and plant irrigation
The use of recycled water greatly reduces the amount of water taken from and discharged to the municipal system
PCC – Basement Layout59 ft
43
ft Membrane
tank and bioreactor
Water Storage Tanks
Process Equipment
GE ZENON HeadquartersInstalled 2000
17,500 gpd
Multi-use facility located off of the municipal sewer grid
86,000 square foot office space including cafeteria and gym
68,000 square foot warehouse and light-industrial area
Total 154,000 square feet and 600 employees
ZeeWeed MBR treats all of the facility’s sanitary wastewater
Treated water is reused for toilet and urinal flush water, landscape irrigation, and reserved in decorative ponds for fire water
Water Reuse System
GE ZENON HQ – Treatment Plant Room Layout
64 ft
57
ft
Membrane Reuse System
Process Equipment
Water Storage Tank
Fallingwater Conservancy5,300 square foot architectural masterpiece
Winner of the 2005 DBIA National Design-Build Award
Voted "the best all-time work of American architecture" by the American Institute of Architects
Aging septic system was replaced with ZeeWeed MBR • Very small footprint with
minimal operation and maintenance requirements
• Discreetly located in a separate building away from the facility
• Recycles 70% of the wastewater as toilet flush water Treatment Plant Building
Membrane Tank
Fallingwater Conservancy
Installed 2002
140,000 visitors annually
8,880 gpd Equivalent to 22 homes or
an 88 room hotel
Project costs– Drip field $ 205,000– WWTP $ 945,000– Pumps & pipeline $
120,000Total costs US
$1,270,000 Treatment Plant Building
Membrane Tank
Fallingwater Conservancy – Treatment Plant Building Layout
55 ft
33
ft
Membrane Reuse System
Process Equipment
Water StorageTank
Control Panel
Process Equipment
The Manor - GeorgiaInstalled 2005
500,000 gpd peak flow
Golf Club and Residential Community in North Fulton County
731 acres with 399 homes ranging in price from $400,000 to $1.5 million
180 acre Tom Watson signature golf course, a sports social facilities
15 acres of amenities including a
Recycled water for irrigating the golf course
Excess water is discharged to a disposal field
Capital Cost $281,000 – including permitting, design, construction and commissioning
The Manor Wastewater Treatment Plant
Westbrook Outlet Mall
400,000 ft2 outlet Mall located in Connecticut not served by the public sewer
ZeeWeed MBR handles all the sanitary waste from the lavatory facilities and food court
Treated wastewater is recycled for toilet and urinal flush water and the remaining effluent is discharged to a leach field
Water reuse and the utilization of ultra-low flush lavatory fixtures save approximately 13,000,000 gallons of water per year.
Ritz Carlton. St. Thomas U.S. Virgin IslandsRecently expanded and renovated 180 guestroom luxury Caribbean resort
Existing onsite conventional wastewater treatment system had not been meeting the strict effluent discharge criteria and needed to be expanded to accommodate hotel expansion.
A ZeeWeed MBR systems treats all of the resorts wastewater and the effluent is reused for irrigation.
ROI Example 400,000 sq. ft. Office Building
Cost of Connecting to Municipal Grid
Cost of ZeeWeed MBR System
Cost/Benefit
Capital Costs ($):
Connection Fee 301,998 NA
Construction Cost NA 463,500 (161,502)
Yearly Operating Costs ($):
Potable Water Service Fees
127,750 NA
Irrigation and Toilette Flush Service Fees
48,910 NA
Operating Costs NA 118,500 58,160
Total Cost/Benefit After Year 1 ($)
(103,342)
ROI 2.78
Thank You!Thank You!Q & A?Q & A?
Thank You!Thank You!Q & A?Q & A?