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CISBOT is 12 inches (300 mm) in diameter, is 35 inches (890 mm) long, weighs 85 pounds (39 kg), and is deployed with a truck containing the control unit, which is attached to the robot with a tether for the power, communication, and control cables, as well as sealant tubing. It is capable of repairing 16–36-inch-diameter (41–91 cm) pipe. [2]
On October 5, 2017, the National Environmental Health Association sponsored a webinar about the hazards involved for workers and residents associated with cured-in-place pipe repair. The video can be found here. [22] Several questions [23] about the webinar, and the study have been raised, and feedback noted by industry members.
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
"Over a mile long reach [of the water channel] adds up to over 1.5 acre of land needed for the two stage drainage ditch design". This acreage of land may already be currently used for other purposes or contains infrastructure and subsurface gas or sewer lines. Thus, the larger the channel is, the more soil, and thus, increased funds required to ...
Assembling threaded pipe is labor-intensive, and requires skill and planning to allow lengths of pipe to be screwed together in sequence. Most threaded-pipe systems require strategically located pipe-union fittings in final assembly. The threaded pipe is heavy and requires adequate attachment to support its weight.
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Galvanized steel potable water supply and distribution pipes are commonly found with nominal pipe sizes from 3 ⁄ 8 inch (9.5 mm) to 2 inches (51 mm). It is rarely used today for new construction residential plumbing.
High-density polyethylene pipe installation in a storm drain project, Mexico. Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging (anaerobic conditions that harm root growth), but many soils need ...
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