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To: Kayaker who wrote (104)	3/22/2001 12:53:02 PM
From: Kayaker	Read Replies (1) \| Respond to of 374

The 141-pound robots are called Sewer Access Modules (SAMs) and were developed by CityNet’s Swiss partner, Ka-Te System AG, to deploy networks into sewer systems. The robots have already clocked in to lay fiber in Hamburg and Berlin’s sewer systems. CityNet has already bought 38 robotic systems and plans on ordering another 100, at $750,000 each, next year when construction begins in 12 to 15 U.S. and international cities. SAMs, which are 6.3 inches wide and 5.9 inches tall, are used in sewer pipes that are 20 inches in diameter all the way down to eight inches in diameter. For the larger pipes, a robotic sled that can seat two people is used. Using digital cameras, a SAM first analyzes and maps a city’s existing sewer infrastructure. As a SAM rolls through sewers, it attaches anti-corrosive titanium steel alloy rings every couple of feet on the sewer pipe walls. Special conduit tubes-designed by Alcatel — another of CityNet’s partners — are attached to the rings and then a fiber sheath, which contains 72 individual fiber-optic strands, is blown into the pipe by compressed air. In Omaha, CityNet will build out three fiber-optic rings. -------------------------------------------------- The 141-pound robots are called Sewer Access Modules (SAMs) and were developed by CityNet’s Swiss partner, Ka-Te System AG, to deploy networks into sewer systems. The robots have already clocked in to lay fiber in Hamburg and Berlin’s sewer systems. CityNet has already bought 38 robotic systems and plans on ordering another 100, at $750,000 each, next year when construction begins in 12 to 15 U.S. and international cities. SAMs, which are 6.3 inches wide and 5.9 inches tall, are used in sewer pipes that are 20 inches in diameter all the way down to eight inches in diameter. For the larger pipes, a robotic sled that can seat two people is used. Using digital cameras, a SAM first analyzes and maps a city’s existing sewer infrastructure. As a SAM rolls through sewers, it attaches anti-corrosive titanium steel alloy rings every couple of feet on the sewer pipe walls. Special conduit tubes-designed by Alcatel — another of CityNet’s partners — are attached to the rings and then a fiber sheath, which contains 72 individual fiber-optic strands, is blown into the pipe by compressed air. In Omaha, CityNet will build out three fiber-optic rings.