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CAP Composites are Thermosets
Metal and Plastic - Phase Change
Thermoset Composites - Molecular Change
Thermoset Composites - Molecular Change
Metals and Plastics are formed by heating them to a melt, placing them into a mold (usually by injection), and then cooling them to a solid again. This is similar to melting ice cubes to water, placing the water in a different tray, and freezing it again. These materials can be melted again as well.
Thermoset Composites - Molecular Change
Thermoset Composites - Molecular Change
Thermoset Composites - Molecular Change
Formed through an irreversible curing reaction, compression molded thermoset resins are heated under extremely high pressure in a mold, while the material fills the mold. After the molecular reaction, a completed part is finished and cannot be returned to its former liquid state - much like boiling an egg.
Eliminate Solutions that Create Other Problems
Extraordinary and Unsafe Preventive Methods
Some municipalities will take drastic steps to prevent theft of covers and/or contents. CAPs eliminate the reward of scrap metal and also have built in locking fasteners that do not protrude. CAPs will not trip pedestrians or damage tires.
Manhole Cover Theft for Scrap Metal
CAP Presents No Scrap Value to Major Texas City
While solving corrosion and relieving hazardous lifting are the most prominent reasons for cities to start using composite covers, one large Texas city cited theft of covers as their main driver.
Testimonial
"There seems to be a trend or a spate of incidents that seems to be happening at an alarming rate now,”
- Michael Clendenin, a spokesman for Con Ed.
The New York Times
Theft Cost Added To Initial Cover Price Tag?
Do you amortize replacement covers, installation, tack welding, special locks, and insurance costs on top of the price tag for your traditional covers and frames? Some estimate this amounts to several hundred dollars. Composites represent the most cost effective infrastructure solution for limited municipal budgets.
"Manhole Thefts Cost Taxpayers Thousands"
"Manhole Thefts Cost Taxpayers Thousands"
Jace Larson of Channel 2 News in Houston reports that Manhole Cover theft "cost taxpayers $126,000" in 11 months
Manhole Cover Theft a National Problem
Summary of Newsweek's Comprehensive Report
- In the last year a staggering 600 manhole covers have been swiped by thieves in Philadelphia.
- Chicago lost 200 in one month, with 40 reportedly taken in a single day.
- Seventy-five have been taken recently in Greensboro, N.C.
- More than 50 have been stolen in Long Beach, Calif., since January.
- And in Cherokee County, Ga., more than 30 have been taken in just the last two weeks
Manhole Cover Theft a Global Issue
Hundreds of Thousands of Manhole Covers Stolen!
- According to China's Xinhuan News Agency, about "240,000 manhole and street-drain covers were stolen in Beijing in 2004."
- In the city of Koltata, India, more than 10,000 manhole covers were taken in two months.
- The photo shows a Ciudad Juarez news report showing nearly 30,000 covers stolen in 2012.