Estimation Of Demand Load

 Estimation Of Demand Load


 Estimation Of Demand Load: Estimates of total water supply requirements for buildings will be based on estimates of total current and projected future population and per capita water needs.


In assessing the water supply requirements of large complexes, future living loads will be taken into consideration. Use may be made of the following methods for estimating future requirements

(A) Demographic method of population projection,

(B) arithmetic progression method,

(C) geometric progression method,

(D) separate increment or incremental increment method,

(E) Logistic method,

(F) the graphical projection method, and

(G) Graphical comparison method.


For residential buildings, water requirements will be based on the actual number of occupants; Where this information is not available, the number of occupants for each dwelling unit can be around 5 (five) depending on the size of the family. To assess the population among other occupants, Part 4 may refer to 'fire protection'.


To estimate office building occupancy, allow 7.4 depending9.3 sqm (80 sq100 sq ft) per person, depending on the type of office building, elevator and stair space, corridor or service areas.


To determine the current and future water requirement:

(A) Classify the total population on the basis of social (economic status (high / middle / low income group and slum dwellers)

(B) Determination of per capita water requirement for different categories (types) for various types of domestic, recreational and commercial uses.

(C) Multiply the population with per capita water consumption to determine the present and future water requirement.

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