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Types of Piped Water supply

There are two main systems of piped water distribution:
1. Intermittent water supply: Water is supplied only during fixed timings during the day.
2. Continuous water supply: Water is supplied throughout the day.
Most of the cities in India have intermittent supply of water. There are certain disadvantages of the intermittent water supply.
• Water may not be available immediately during an emergency.
• Consumers need to store water. This may lead to contamination of drinking water and potential for mosquito breeding.

Checking for Fly Breeding Sites in a Household

Breeding sites

Female flies deposit their eggs on decayed, fermenting or rotting organic material of either animal or vegetable origin.
1. Dung
Heaps of accumulated animal faeces are among the most important breeding sites for houseflies. The suitability of dung for breeding depends on its moisture (not too wet), texture (not too solid) and freshness (normally within a week after deposition).

Checking for Mosquito Breeding Areas in a Household

POTENTIAL Mosquito breeding areas and ACTUAL mosquito breeding areas:
Mosquitoes breed (lay eggs) in accumulated water. Hence we need to look for areas where water accumulates for sufficient time period.
Some common places to check for water accumulation are as follows:
Inside the house
• Desert coolers
• Flower vase
• Potted plants
• Water tanks, cisterns, and other stored water
• Old cans, tyres, coconut shells, bottles, paper cups lying in open, etc.
Around the house
• Puddles and roadside ditches
• Open drains

Family and the Types of Family:

Family: It is a group of biologically related individuals living together and eating from a common kitchen.
Nuclear (elementary) family: It consists of a married couple and their dependent children. A “new family” is a nuclear family within first 10 years of formation (marriage).
Joint (extended) family: It consists of a number of married couples and their children living in the same household. All the men in the household are related by blood and the women are their wives, unmarried daughters or widows.

Assessment of Adequacy of Ventilation

• Every living room should be provided with at least two windows with at least one of these opening directly on to an open space. If this is not the case, advise the family to use an exhaust fan.
• Measure the height and breadth of the windows and the doors.
• Calculate the area of each one by the formula: area = length × breadth.
• Total window area should be 1/5th of the floor area.
• The total area of the doors and the windows taken together should be 2/5th of the floor area.

Assessment Of Overcrowding in a household

Three criteria have been used commonly for judging the presence of “overcrowding”
1. PERSONS PER ROOM CRITERION
The number of persons in the household is divided by the number of rooms in the house.
The criteria for counting of persons for assessment of sufficiency of living area are as follows:
• An infant (a child under 12 months of age) is not counted.
• Children aged 1–10 years are counted as half a person each.
• All those above the age of 10 years are counted as one person each.

MODIFIED KUPPUSWAMY SCALE

This is the most commonly used scale for determining the SES of an urban family. Kuppus- wamy scale was developed for assessing the SES of an urban individual. It took three parameters into account, namely, education, occupation, and income of the individual
It was modified to enable SES assessment of a family rather than an individual. The parameters were modified as education and occupation of the HOF and the income of. the whole family, pooled from all the sources . These parameters are defined later in this section.

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