Ventilated Improved Pit Latrine

Ventilated Improved Pit Latrine. IntroductionConstructionRoofReferences and Further ReadingThe ventilated improved pit “ VIP ” latrine offers improved sanitation by eliminating flies and smell through air circulation The addition of a chimney draws air currents into the structure and through squat hole Odours rise through the chimney and disperse The structure of the toilet means that any flies attracted to the pit through the squat hole will try to escape by heading towards the strongest light source which comes from the chimney The flies exit is blocked by a wire mesh so the flies eventually die and fall back into the pit The spiral structure prevents too much light entering the toilet while allowing a free flow of air Hygiene is obviously an important issue wherever the toilet is located but more so where there are many users Faecalborne diseases take more lives and create more suffering than war or natural disaster but do attract as much media coverage Due to the number of fatalities it is important to consider hygiene and cleanliness A dirty latrine i The VIP Latrine can be built from different materials These should be chosen according to availability and cost of materials skills available and soil type If the soil of the ground is very loose it is recommended to use a lighter materials for the walls The different materials that can be used require alternative methods of construction In all cases the slab is built the same and a chimney higher than the roof is constructedThis technical brief describes the construction of a mortared brick design because it is the most popular The main materials for this latrine are sand gravel bricks bags of cement wire mesh chicken wire water Coned Roof Measure the top of the wall at the widest part Draw a circle in the ground that has the same diameter Cut 5 triangles like the one below from wire mesh Tie them together using 16 gauge binding wire so that they fit in the circle Overlap the sides by 30cm When the 5 are tied together measure and cut the 6th triangle including overlap Tie it in place Wrap 1 or 2 layers ofchicken wire onto the wire mesh and bind them tightly Turn the reinforcement upside down and sew plastic sugar sa Concrete Slab The concrete slab is made in a similar way to the slab base You need to build up bricks higher towards the chimney to create a slant for the roof for drainageYou may be able to use the same hole you created for the slab base but in some cases you may need to dig a new one The slab for the roof need only be 25 cm thick but you need to allow for an overhang in the diameter This is why you could use the base hole to construct your roof Once you have created the hole you will need to put Tiled and corrugated roofs The corrugated roof is probably the easiest to construct and will last a long time along with the tiles Like the concrete slab you will need to build the bricks up on the chimney side to create a slant for drainageYou will need some support pieces of wood to hold the tiles or corrugated sheet The length of theses will vary depending on your structure but it is again important to note you will need to allow for an overhang When you have your beams fixed then you can begin to lay your she Esrey S Et al Ecological Sanitation Sida Stockholm 1998Reed RA Sustainable Sewerage Intermediate Technology Publications London 1995Brandberg B Latrine Building A handbook for implementation of the SanPlat system Intermediate Technology Publications London 1997Laver S Blair Latrines Builders Instruction Manual Blair Research Laboratory Authors Fatima HashmiPart of Practical Action Technical BriefsKeywords toilet latrineType Technical brief.

Ventilated improved pit VIP latrines MOI OT 3 Introduction The addition of a vent pipe to a simple pit latrine is one way of reducing the nuisance of flies in the cubicle if the cubicle is kept clean and dark This type of latrine is called a ventilated improved pit (VIP) latrine There are a number of designs to suit.

Single Ventilated Improved Pit (VIP) SSWM Find tools for

The ventilated improved pit latrine (VIP) is a pit latrine with a black pipe (vent pipe) fitted to the pit and a screen (flyscreen) at the top outlet of the pipe VIP latrines are an improvement to overcome the disadvantages of simple pit latrines eg fly and mosquito nuisance and unpleasant odors.

The ventilated improved WASH Matters

A ventilated improved pit latrine (VIP) is similar to a single pit latrine with addition of a vertical vent pipe Through the aeration in VIPs odour and fly nuisances are reduced Excreta along with anal cleansing materials (water or solids) are deposited into a pit.

Ventilated Improved Pit Latrines: Guidelines for the

Ventilated improved pit (VIP) latrines The addition of a vent pipe to a simple pit latrine is one way of reducing the nuisance of flies in the cubicle if the cubicle is kept clean and dark This type of latrine is called a ventilated improved pit (VIP) latrine There are a number of designs to suit different situations but they all work in much the.