CSPE (Chlorosulfonated Polyethylene) | Layfield Geosynthetics

CSPE v2

CSPE Floating Covers are the economical solution for potable water protection.

Water reservoirs using CSPE floating covers are often up to 70% more cost-effective for applications of storing and treating large quantities of potable water versus above-ground tanks and underground clearwells.

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About CSPE

HypaFlex™ (Chlorosulfonated Polyethylene - CSPE), formerly known as Hypalon, is a high-performance geomembrane material designed for long-term applications, including floating covers and exposed liners. As a floating cover material, HypaFlex™ provides truly outstanding UV protection and long-term performance. HypaFlex™ floating covers are engineered to eliminate evaporation and protect the water source from contaminants, including dirt and debris. HypaFlex™ has been used extensively for water containment and protection applications for over 45 years and is backed with an industry-leading 30-year weathering warranty. The use of HypaFlex™ floating covers in reservoirs is one of the most economical ways of storing and treating large volumes of water. HypaFlex™ geomembranes and floating covers are used worldwide in containment applications to protect water, including municipal water districts, mining, oil and gas, and agriculture.

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When the need arises to expand your water storage capacity, the best economics come from open-top reservoirs with floating covers, compared to clear wells and above-ground tanks.

Kelly Butte Concrete Reservoir

Portland, Oregon

The Kelly Butte Reservoir is a 394’ x 296’ underground reservoir consisting of two cells, with a capacity to store 25 million gallons collectively. Construction was completed in 4 years.

Project Cost: $90 Million

$3.60/gallon

Upper Chiquita Open Top Reservoir

Orange County, California

The Upper Chiquita Reservoir is a large potable water reservoir containing 244 million gallons of domestic water and covering an area of 18 acres. Construction was completed in 1.5 years.

Project Cost: $53 Million

$0.22/gallon

In cost per gallon, the Upper Chiquita reservoir was installed for 6% of the cost of the Kelly Butte reservoir. Looking at this from another way for 58% of the price of the Kelly Butte reservoir the Upper Chiquita reservoir developed 10 times the storage capacity.