Guidelines for Fixing Rain Water Pipes

Rainy water consists of storm water (rainy water), surface water, street wash and washing water excluding sewage and industrial waste.

It is harmful to foundation and health of the occupants of the house if it’s not expelled properly. A good quality rain water pipe and its’ proper fixation make your home neat, clean, safe of mud and rain water. Wrongly fitted pipes can cause harm to the contents of the building. For smooth flow of rain water and better understanding of pipe fixation, here are given some nice tips.

Pipe for Drainage of Rainy Water

Asbestos cement pipes are widely used for drainage of rainy water. The following are advantages of asbestos cement pipes.

Light weight
Tight joints
Easy to handle
Quick in laying and back filling
Easy in cutting, drilling, threading and fitting
Non-corrosive for most natural soil conditions
Free from electrolytic corrosion (rust)

A structure of Rain Water Drainage

(This picture is contributed by"S.Krishnan")

Recommended Size of Rain Water Pipe

Number and size of pipes for rainy water is determined by the area of roof to be drained and on the basis of average rate of rainfall in the area. The pipes for rainy water should normally be sized on the basis of roof area as given below.

S.No.	Diameter of Pipe (Mm)	Average 50	Rain 75	Fall 100	In 125	Mm/Hour 150	200
1.	50	13.4	8.9	6.6	5.3	4.4	3.3
2.	65	24.1	16.0	12.0	9.6	8.0	6.0
3.	75	40.8	27.0	20.4	16.3	13.6	10.2
4.	100	85.4	57.0	42.7	34.2	28.5	21.3
5.	125	--	--	80.5	64.3	53.5	40.0
6.	150	--	--	--	--	83.6	62.7

Required Appliances for Rainy Water

Rainwater collected within building is carried down through gutters and pipes. Building sewer carries rainy water also in a partial separate system where a portion of rainy water is mixed with sewage.

Materials for Filling in Pipes

The following common materials are required for filling in the pipes.

S. No.	Material	Weight Kg/M3
1.	Dry Sand	1600
2.	Ordinary Damp Sand	1840
3.	Wet Sand	1920
4.	Saturated Clay	2080

Guidelines for Execution of Pipe Works for Rain Water

The pipes for rainy water should be fixed outside external walls of building.
Any pipe for rainy water should discharge rain water directly into surface drain outside the house or from compound drain to surface drain out side the house.
An inlet of bell mouth at roof surface should be provided.
The spacing of rain water pipes in the wall should depend on position of windows and ventilators openings, but distance between rain water pipes should not be more than 6 meters.

Plastic Rain Water Pipe

(This picture is contributed by"S.Krishnan")

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Rain Water Harvesting

Rainwater Harvesting systems to collect the rain and use it in your house and garden. How to Build a Rainwater Collection System- Get more details about rainwater harvesting. Recycle your rainwater and keep your landscaping looking healthy, in eco-friendly way.

Tools for Fixing Rainwater Pipes

Tools are essential for proper pipe works, drainage works and other construction works. Without a good tool it is not possible to implement drainage works and pipe works which keep up smooth functioning of the house.

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Kitchen Pictures

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Types of Roofing

A solid roof on building is very important for everybody living in the house. The roof should be constructed in a way that assures you great safety. Here are given details about different types of roofing.

Door and Window Frames

Frames of doors and windows are most important parts of your doors and windows. They are available in different size, height, width and shapes. Frames hold locks and hinges and support door and windows to shut and open easily. Here is what you need to know about different doors and windows frames.

Type of Steel Bars

Different steel bars are recommended for their relative tensile stresses.Steel bars are major components of construction.Here is what you need to know about steel bars (Sariya).

Vastu and Brahmasthan

Brahmasthan is a powerful zone of the house. It should have open space for flow of energy in the house. The positive energy is very useful for living beings of the occupants of the house.

Brick Work

Brick work is an important part of construction work done with the help of bricks and cement mortar. It is done with different quality of bricks with different ratios of cement mortar according to the requirement.

Bathroom Shower Doors

Are you remodeling your bathroom? Bathroom shower doors make your bathroom a style icon. Read the following article that will help you select the bathroom shower door that will exactly suit your bathroom.

Vastu for Living Room

Living room or Drawing room should be located in east or north direction. The ideal location of a living room depends on plot facing.

Ratio of Cement and Sand for ‘Plastering’

Without knowing perfect mixture of cement and sand you can not achieve your goal.

Purchasing Guidelines for Cement

Manufacturing date, grade and type play vital role in purchasing right cement and there should be no lumps in it.

Bricks Quality

First Class Bricks must be homogeneous in texture without showing appreciable sign of efflorescence.

Which type of materials are required for drainage pipe fitting?

A coupler connects the two pipes to each other. If the material and size of the pipe are not the same,it is called a 'reducing coupler'.

Fine Sand /classification of sand

Fine sand should consist of natural sand or crushed stone sand. It should be hard, durable, clean and be free from organic matter etc. and should not contain any appreciable amount of clay balls and harmful impurities such as alkalis, salts, coal, decayed vegetation etc.