Some precipitation stations may have short breaks in the records because of absence of the observer or because of instrumental failures. It is often necessary to estimate this missing record.

The Barrage and the Head Regulators of feeder channels and appurtenant structures will be designed on the basis of standard design criteria established for other barrages and allied structures, already constructed on the Indus River and its tributaries.

For 2008 Olympics games the vision of international teams of architects and engineers called for an adventure of steel and concrete made with modern techniques. Its steel roof is 320m long and 297m wide. It accommodated 91000 spectators to see 200 countries competing. When Beijing was selected as the venue of 2008 Olympic games, in 2002, Chinese officials announced

Bamboo, often referred to as "the green steel of the 21st century," is gaining recognition as a sustainable and versatile building material. With its rapid growth rate, high strength-to-weight ratio, and minimal environmental impact, bamboo is becoming a popular choice for architects, engineers, and builders worldwide. Bamboo has been used as a construction

A subsurface drain, generally perpendicular to the roadway alignment, designed to drain infiltrated water. Often needed at bridge abutments, toll plazas, and across the road on long downgrades. The main purpose of the cross-drain is to channel water from above the path to the lower side. The source of the water may be from small streams, springs, mossy