Monthly Archives: May 2017

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Design of Septic tank

What is the size of my septic tank

Functioning of a septic tank
The size of septic tank depends on number of users and interval of sludge removal.The liquid capacity of tank is taken as 130 liters to 70 liters per head.

Parts of a Septic Tank.

Watertight tank,In let pipe, Baffle wall,Outlet pipe, Gas ventilation, Man hole, Bottom  floor slope etc are the elements to consider while constructing  a septictank.

Size of the tank

As per IS 2470 Septic tank shall have

minimum width of 75cm,

minimum depth of 1 metre below water level

minimum liquid capacity of 1 000 litres ( 1 m3).

For rectangular septic tanks, the length of the tank shall be 2 to 4 times the width.

For circular tanks the minimum diameter shall not be less than l-35 m and operating depth shall not be less than 1-O m.

Baffle Walls of Septic Tank

Septic tanks are split into two chambers. The chambers are divided by a baffle wall. Solids are retained in the first chamber, and liquids then pass through the baffle into the second chamber and on to the percolation areaBaffle walls are provided near the inlet. Baffle wall is placed at a distance of L/5 from the  in let wall, where L is the length of the wall. The baffle wall is generally extended 150mm above to scum level and 400-700mm below it. Thickness of the wall varies from 50mm to 100mm. for large tanks lower portion are having holes for flow of sludge.

the floor of septic tank is given a slope of 1:10 to 1:20 towards the inlet side. ie the floor of the outlet side will be on the higher elevation than the floor at inlet side.
 Read more from the constructor

Some technical words to understand

Detention Time. The theoretical (calculated) time required for a given amount of water or wastewater to pass through a tank at a given rate of flow. The time required to fill a tank at a given flow
Conversion of litter to gallon: 1litter=.264 US gallon ; I gallon =3.78 litter
Anaerobic digestion : is a collection of processes by which microorganisms break down biodegradable material in the absence of oxygen.
Effluent sewer systems, is that collect sewage from residences and businesses places, and the effluent that comes out of the tank is sent to either a centralized sewage treatment plant or a distributed treatment system for further treatment or to leach pit.
Scum: a layer of dirt or froth on the surface of a liquid.
Read more from SEPTIC MATTERS
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Functioning of a septic tank

 

ventura

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Clay roof tiles

Clay Roof Tiles

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Roofing-Tiles

Clay Roof tiles:

 Roof tiles made of burned clay in various shapes and colors are available in the market.It is used for laying over roof truss.Now it is a practice laying roof tiles over sloped concrete roof.It is not only an attractive product, but also a protection for the concrete slab.Available size(in inches) = 6 x 3 , 7 x 4, 8 x 5 , 9 x 6 , 10 x6 , 11 x 7 12x 8 , 14 x 9 , 16 x 10 ,Roof tiles made of burned clay in various shapes and colors are available in the market.It is used for laying over roof truss.Now it is a practice laying roof tiles over sloped concrete roof.It is not only an attractive product, but also a protection for the concrete slab.Cost of clay roof tile =IN Rs 24-37/each of size 1.22 tiles/1 ft2 .Remember that:It is better to tile laying specialists for laying.Select the type  and size of  roof tile .Then start reaper making.Then select and provide  the rain water pipe.Then   start the tile laying.Use Aluminum  sheet for v corners on the roof.
Clay has been, by nature and tradition, an ideal material roof for tropical heat insulation and comfort. The highly advanced Japanese technology and the exceptional treatment at 11000C mould the clay into a smooth, sturdy and durable roof protection phenomenon.M-Class Industry, the manufacture of premium roof tiles, has set authoritative standards in strong and durable roof-protection arena.The exceptional distribution outlets worldwide
Walnut
with their aesthetically pleasing products chosen after stringent quality control, have gained international reputation.Read more fromMclass

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 Clay roof tiles Clay Roof tiles
Calicuttile Roofingstore

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7 Step to Ins

tall Clay Roof Tile

Use a medium consistency mortar so it’s manageable and easy to apply. Install the mortar at the outer end of the first ridge tile, packing it under the outer edge of thetile to fill the gap at the tile and batten. Smooth it with the trowel. Continue adding mortar along the lower edges of the ridge tiles at each side read from

 

 

Clay Roof Tile Installation

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Clay Roof tiles Designs

Clay Roof tiles

Clay roof tiles

 

CLAYANDSLATEROOFING | CHESHIREROOFING | MONIER |polycarbonatedome |pionnierroofing|Dreadnought |Thomsontiles| stgeorgeclayproducts
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Curtain general

A curtain (sometimes known as a drape, ) is a piece of cloth intended to block or obscure light, or drafts, or water in the case of a shower curtain.[1] A curtain is also the movable screen or drape in a theater that separates the stage from the auditorium or that serves as a backdrop.
Curtains hung over a doorway are known as portières.[2] Curtains are often hung on the inside of a building’s windows to block the passage of light, for instance at night to aid sleeping, or to stop light from escaping outside the building (stopping people outside from being able to see inside, often for privacy reasons). In this application, they are also known as “draperies”. Curtains come in a variety of shapes, materials, sizes, colors and patterns, and they often have their own sections within department stores, while some shops are completely dedicated to selling curtains.Curtains vary according to cleanability, ultraviolet light deterioration, oil and dust retention, noise absorption, fire resistance, and life span. Curtains may be moved by hand, with cords, by press-button pads or remote-controlled computers. They are held out of the way of the window by means of curtain tie-backs. Measuring curtain sizes needed for each window varies greatly according to the type of curtain needed, window size, and type and weight of curtain.

Curtains are a form of window treatment, and complete the overall appearance of the house. Window treatment helps control the ambiance and flow of natural light into the room. The effect of drapery or curtains is best seen in daylight, and with proper indoor light positioning, can look attractive even at night.[3]

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Smart school

Smart school facilities

modern class room
It is not only teaching through computer, internet and multimedia devices ,But also learning through experience. . Now a day’s different multimedia lessons are available. By using these multimedia lessons teachers may teach the students very easily.And also there should be some thing to learn from nature.
Multimedia facility
Eco friendly school.
Waste management system
Bio gas plant
Solar power plant
Synthetic track
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