Commodities - The Coming Bull Market Message Board

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Strategies & Market Trends : Commodities - The Coming Bull Market

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To: Robert Douglas who wrote (1250)	4/16/2002 10:24:44 PM
From: Robert Douglas	of 1643

Also: Considerations of copper pipe: Some report of "metallic taste" to water Can produce "pin hole" leaks in presence of acidic water Limited in some areas to use only when water pH is less than 6.5 - 6.8 (acidic) Can leach lead or copper into water supply Suitable for use when pH is between 6.5 and 8.5 Subject to jobsite theft Labor intensive installation process requires skilled plumber Calcium build-up can occur, constricting water flow Higher initial installed cost (labor and materials) Thermal loss - requires insulating jacket Condensation can occur if not properly insulated Noisy at high water velocities Subject to water hammer at velocities higher than 5 FPS; may require water hammer arrestors to mitigate damage Copper joints prone to failure at high temperatures (180°F and velocities) Installation with gas torch is a potential fire hazard Repairs difficult for DIY'ers, requiring special training and tools Cannot make solder repairs with water in pipes Price of copper fluctuates over time depending on raw materials demand

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