What is CPM Critical path method (CPM) was developed in USA in 1957 by Morgann E. Walker and James Kelley. This method was first used for planning and scheduling the construction of a new chemical plant by DU pont. Later this method was used for scheduling the overhaul and maintenance for shut down of equipment … Read more
Causes of Paint Failure The failure of paint job on wall or wooden members or structural steelwork is not uncommon. The paint job, though an easy job, has peculiarities of its own. At the same time, a failed paint job involves substantial expenditure by way of scraping the old paint, repairing the surface and cost … Read more
What is Roominess? The effect produced by deriving the maximum benefit from the minimum dimensions of a room is termed as roominess. Roominess is hence the accomplishment of economy of space without cramping of the plan. Particularly in case of residential buildings where considerable storage space is needed for various purposes, adequate provision for wall … Read more
Foundations are the mainstay of house construction as the stability and the performance of the structure above is dependent on it. The main design parameters for consideration in this respect are the depth and width of the foundation. Whereas depth of foundation is a function of the ‘Safe Bearing Capacity’ (SBC) of soil at a … Read more
Site selection has an important bearing on planning and designing of buildings. Generally, therefore, an architect has either to make a choice of suitable site or to plan his building structure to suit the available site. Factors to Consider During Selection of Building Site Natural defects of a site will involve considerable expenditure on construction … Read more
Types of Doors Based on Material of Manufacture There are large varieties of doors and windows which can either be manufactured or are available in the market for ready fixing. Based on the material of manufacture, some of their types along with their main feature, advantages and disadvantages are given here to facilitate easy selection … Read more
Types of Flooring Tiles Flooring Tiles in India have over the years gained popularity over the cemented and concrete flooring Tiles are available in different patterns, designs and utility options. Usually they are costlier than the cement concrete flooring and its cost depends upon the type of tile being used. Various types of flooring tiles … Read more
Walls are built to partition living area into different parts. They impart privacy and protection against temperature, rain and theft. Depending upon their functions, Walls may be classified into the following two primary classes Load bearing walls Partition walls. 1. Load Bearing Walls If beams and columns are not used, load from roof and floors … Read more
Repair of Ceiling Plaster There are many cases where the steel reinforcements corrode due to various causes such as lack of cover, leakage of roofs, etc. As steel rust occupies very much larger volume (more than 10 times) than steel, the surrounding concrete cracks and tends to get separated from steel and finally it falls … Read more
In order to determine the suitability of a particular soil it is essential to know the proportion of each material in the soil and also whether the particular material possesses the properties required of it. For instance, a road soil that is 95 percent sand will not cohere, and clay that does not possess the … Read more