Air pollution, Noise pollution, Thermal pollution

AIR POLLUTION  Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of...

Hot water supply system in hotels

Hot Water Generation and Distribution System: Coldwater raised to a temperature of 38oC is usually considered as hot. The operating temperature range is 49 to...

Sewage Treatment

SEWAGE TREATMENT It is the process of removing the contaminants from sewage to convert it to a composition of clear liquid and solid, which are...

Types of Air Conditioning Plants

Types of Air Conditioning Plants Centralized air – conditioning System Unit air Conditioners Window type unitsSplit-type units Centralized Air Conditioning PlantThe central air conditioning plants or the systems...

Various audio visual equipment used in hotel

Introduction Hotels have a large number and variety of audio visual equipments, detectors and sensors. The actual variety and number of such equipments depend upon...

Flushing system, Water taps, Traps and Closets

Basic fittings in the water distribution line These are fittings in water lines to regulate flow through the lines and are an integral part of...

Essential requirements of a contract, types of contract, their comparative advantages and disadvantages

TYPES OF CONTRACT FOR MAINTENANCE SERVICES Piece Work or Piece Rate Contract In this type of contract, the contractor has to quote separately for each item...