Sanitary engineering is the application of scientific or mathematical principles with to the field of sanitation, especially in regards to its effect on public health. Sanitation is the hygienic means of preventing human contact from the hazards of wastes to promote health. Wastewater is any water that has been adversely affected in quality by anthropogenic influence. It

Experience in using bitumen in engineering projects has led to the adoption of certain test procedures that are indicative of the characteristics that identify adequate performance levels. Some of the tests have evolved with the development of the industry and are empirical methods. Consequently it is essential that they are carried out in strict compliance with the

Intersection also commonly known as crossroad is any place where two or more than two roads intersect or meet each other at grade. According to a source there are total 973 intersections in Karachi City. Intersections may be signalized or non-signalized, may or may not have a roundabout. The intersections encompassed by a roundabout are considered as safe

Once a stone has been selected on aesthetic basis, it is important than to ensure whether it exhibits the necessary physical properties and durability to remain in working condition for a long time. Confirm the traditional name of the stone and test it in the field for properties like streak, color, hardness etc. It is better to confirm whether the amount and quality of stone

To assist in your stacking, sort the stone by size; setting aside the smallest pieces to use as shims (these will help level unsteady larger stones). Prepare for this activity by stretching well and always lift using your arms and legs, not your back Shims (shown far right), or smaller stones, help level unsteady larger pieces. Map out the design by digging a trench about 6" deep and as wide as