WAHASO PROJECT EXPERIENCE
Klarman Smith Hall, Cornell University
Rooftop rainwater supports about 1,950 gallons of toilet flushing per day across Klarman Hall and the connected Goldman Smith Hall.
167,300
Gallons of municipal water saved (estimated)
DELIVERED BY
CASE STUDY
How thesystem works.
WAHASO PROJECT EXPERIENCE
This project was delivered by Wahaso Water Harvesting Solutions and is presented by SECURE Blue as relevant Wahaso project experience.
Klarman Hall is the first new humanities building on Cornell's central campus since 1905. The project team set a goal of LEED Platinum, and water harvesting can earn up to 15 of the points needed.
Because the project was both new construction and a retrofit of Goldman Smith Hall, the system had to meet toilet flushing needs for both buildings.
Rainwater is collected from 8,356 square feet of rooftop and 1,200 square feet of green roof, then cleaned, sanitized, and pressurized. Any excess is stored in a 6,000-gallon cistern under the building.
PROJECT DETAILS
System andperformance profile.
SYSTEM TYPE
Rooftop Rainwater for Toilet Flushing
BUILDING TYPE
Educational
WATER SOURCE
Rainwater, Green Roof Runoff
PRIMARY REUSE
Toilet Flushing
DAILY FLUSHING SUPPORTED
About 1,950 Gallons
COLLECTION AREA
8,356 sq ft Roof, 1,200 sq ft Green Roof
STORAGE
6,000-Gallon Cistern
ESTIMATED MUNICIPAL WATER SAVINGS
167,300 Gallons
CERTIFICATION GOAL
LEED Platinum
PROJECT LOCATION
Ithaca, NY
RELEVANT SYSTEM CAPABILITIES
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