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?