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The ADB found an average of 5.6 employees per 1,000 connections in Karachi. In Lahore and Rawalpindi, labor productivity is indicated lower at 9.5 and 12.7 employees per 1,000 connections, respectively. [28] At the 2005 workshop, between 6 and 27 employees per 1,000 connections in major cities were reported (see table 3). [62]
Canal lining is the process of reducing seepage loss of irrigation water by adding an impermeable layer to the edges of the trench. Seepage can result in losses of 30 to 50 percent of irrigation water from canals, so adding lining can make irrigation systems more efficient. Canal linings are also used to prevent weed growth, which can spread ...
1,450 MW. Annual generation. 7,037 GWh. Ghazi-Barotha Hydropower Project (Urdu: غازى بروتھا) is a 1,450 MW run-of-the-river hydropower, connected to the Indus River. It is located about 10 km (6.2 mi) west of Attock in the Punjab province and east of Haripur in the Khyber Pakhtunkhwa province of Pakistan. Construction of the project ...
Plumbing. A complex arrangement of rigid steel piping and stop valves regulate flow to various parts of the building, with an evident preference for right-angle pipe bends and orthogonal pipe routes. Plumbing is any system that conveys fluids for a wide range of applications.
A landfill liner, or composite liner, is intended to be a low permeable barrier, which is laid down under engineered landfill sites. Until it deteriorates, the liner retards migration of leachate , and its toxic constituents, into underlying aquifers or nearby rivers from causing potentially irreversible contamination of the local waterway and ...
e. A water supply network or water supply system is a system of engineered hydrologic and hydraulic components that provide water supply. A water supply system typically includes the following: A drainage basin (see water purification – sources of drinking water) A raw water collection point (above or below ground) where the water accumulates ...
Cured-in-place pipe. A cured-in-place pipe (CIPP) is a trenchless rehabilitation method used to repair existing pipelines. It is a jointless, seamless pipe lining within an existing pipe. As one of the most widely used rehabilitation methods, CIPP has applications in sewer, water, gas, chemical and district heating pipelines ranging in diameter ...
Drainage. 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 ...