Dear practical action, thank you for allowing me to download the vip latrine pdf. Ventilated improved pit latrines guidelines for the selection of design options. Its objectives were to determine pit latrine management activities and content accumulation rates. Excretarelated diseases are responsible for a large proportion of the morbidity and mortality in developing countries, especially amongst lowincome communities in urban fringe and rural areas, where. Temporary pit latrine how to get more benefits from the toilet a pit latrine made from your own local resources is called a temporary pit latrine. Since only two of 247 latrines inspected by the evaluation team met the basic standards of a ventilated, improved pit latrine vip, it is apparent that the training of latrine artisans was not adequate. Ii the soil is unstable the pit will have to be fully lined from top to bottom. 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.
Wall slab ventilation roof frame soap water tank pit any type of improved latrine that breaks the contact between feces and the environment will be of bene. Design and construction of household ventilated improved. Download a simple printable individual checklist casa waiver form. There are a number of designs to suit different situations but they all work in much the same way. Ventilated improved pit latrine which is an improved sanitary household solution for human excreta. However, these challenges have been underresearched. There is a great demand for improved sanitation in many. Latrine design and construction part 1 humanitarian response. This study was carried out between december 2014 and september 2015 in nakuru, kenya. This type of latrine is called a ventilated improved pit vip latrine. Do not lay bricks or plaster over the floor of the pit, and do not mortar vertical joints.
Further details of countryspecific deslgns currently for botswana, tanzania and zimbabwe are given in other technical notes in this series. A wide range of latrines are used in households, schools, houses of worship, and other agencies. Ventilated improved pit latrine team casa latrine plans 267k. Diagram in french of a double ventilated improved pit latrine vip. It essentially involves providing the inside of the latrine with a vertical ventilation pipe, referred to as a. This thesis presents a scientifically based approach into the management of ventilated improved pit latrine sludge before and when the pit becomes full. Updated january 2016 this latrine design will last 10 years for 4 people and 5 years for 8 people. This report emanates from the water research commission project number k5709 entitled preparation of standard engineering drawings, specifications and guidelines for ventilated improved pit latrines in south africa. Vip latrines consisting or the normal pit but with a screened vent pipe fitted. At present, ventilated improved pit vip toilet systems installed in south africa are constructed according to a wide variety of designs and with many different types of materials, with a corresponding diversity of performance level and user acceptability. The pit should be at least 10m away from any eating or drinking water source, and shouldnt be dug where the soil is sinking and prone to. So building and using a latrine any type at all is the most important step to take. There are a number of factors which influence the correct functioning of a pit latrine, e.
Redesigning the ventilated improved pit latrine for use in. This guide describes how they work and presents various designs and design. The design of ventilated improved pit latrines world bank documents. When the pit of one latrine is full another pit latrine is dug in another place. The base and superstructure can then be moved and used again. They will be used to cast the squat hole and the chimney hole in the slab. Construction techniques for ventilatedimproved pit latrine. This study was conducted to identify the gaps that exist between ventilated improved pit vip latrine construction practices in cape coast, ghana, and conventional technical guidelines, and to assess how any noncompliance with technical guidelines influences the users perception of odour and fly nuisances. Pit toilets latrines global water pathogen project.
Double alternating pits are sometimes utilized referred to as double vip toilets, especially when the pits are shallow. Pit latrine operational management and sludge accumulation rate, presents a challenging sanitation problem in lowincome urban settlements. Scientific and management support for ventilated improved pit latrines vip sludge content babatunde femi bakare. It is an improvement over the single pit because continuous airflow through the ventilation pipe vents odours and acts as a. Single ventilated improved pit vip sswm find tools. Ventilated improved pit vip latrines resources susana. This discussion paper provides guidelines that will enable a design engineer to make a rational selection of the vip latrine design option most appropriate to the community for which he is responsible. Excretarelated diseases are responsible for a large proportion of the morbidity and mortality in.
There had been significantly varying finding reports with regard to the level of latrine utilization and its association with education level from different. It is a 4mb pdf file but is a must for groups that have never built before or maybe he has a shot of. Ventilated improved pit latrine simon farmer practical. Household latrine utilization and its association with. An entertaining video guide to the construction of enhanced latrines in mozambique that improve sanitation and help to prevent cholera. Pit latrine treatments, blair toilets and vip, ventilated. Pit toilets left, middle cameroon and timorleste and ventilated improved pit toilet right panama photos provided by jesse shapiro, lauren fry, and kevin orner with permission the introduction of a ventilation pipe in the pit toilet, as shown in figure 3, is a variation of the pit toilet concept. Ventilated improved pit latrines practical action 3 dig the hole 3 meters, 10 feet deep. Achieving and sustaining open defecation free communities. It comprises a stable foundation and flooring, a dark and sealed pit, and a ventilated pipe extending at least half a meter above the roof of the latrine, fitted with a fly screen.
Are pit latrines in urban areas of subsaharan africa performing. One of the highest contributing factors for this is lower level of latrine utilization. Physicochemical characteristics and biodegradability of. The ventilated improved pit vip latrine is now widely recognized as one of the most important, affordable and appropriate onsite sanitaion technologies for use in both urban and rural areas of developing countr es. Also available casa house plans casita plans special thanks to hector rubio for his service and help in creating these plans.
The residents ranked safety and privacy as the most important factors that. Vip latrines are an improvement to overcome the disadvantages of simple pit latrines, e. Ventilated improved pit vip toilet systems installed in south africa are constructed according to a. The preferred sanitation technology in swaziland is the ventilated improved pit latrine vip. The design of ventilated improved pit latrines programme.
A vip latrine differs from a traditional pit latrine in that it has a tall vertical vent pipe which has a fly screen fitted at its top. Information on improved latrine options 11 part 3 what do we mean by latrine. A practical guide for building a simple pit latrine how to build your latrine and use it hygienically, for the dignity, health, and well being of your family it was designed for use at the individual household level to assist families in west africa who have already decided to build their own latrines. Schematic of a ventilated improved pit vip toilet diagram reprinted from tilley et al. Separate documents are being developed for more complex options poor flush with or.
It is an improvement over the single pit because continuous airflow through the ventilation pipe vents odours and acts as a trap for flies as they escape towards the light. However, its conventional technical design fails to address the needs and preferences of some users. Learning from east java nilanjana mukherjee with amin robiarto, saputra, effentrif, and djoko wartono. By doing this you can plant a useful and valuable fruit tree in. Physicochemical characteristics and biodegradability of contents of ventilated improved pit latrines vips in ethekwini municipality by chika felicitas nwaneri submitted in fulfillment of the academic requirements for the degree of master of science. This is for safety when digging the pit and to support the cement base and superstructure on top of the. Duncan mara sets out preliminary guidelines for the design of vent pipes for ventilated improved pit vip latrines. December 1, 2004 downloads pdf available on line at. It seeks to clarify the current state of ventilated improved pit latrine design, which often includes a bewildering set of design options such as single or twin pits, emptiable or nonemptiable, lined or unlined and raised above ground level or unraised. There are a number of designs to suit different situations but they all work in much the. 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. The ventilated improved pit vip latrine has the potential to address the challenge of access to improved sanitation in builtup lowincome settings. Pdf redesigning the ventilated improved pit latrine for use in built. The design of ventilated improved pit latrines english abstract.
Ventilated improved pit bvip toilet in a single building operation. Pdf the ventilated improved pit vip latrine has the potential to address the challenge of access to improved sanitation in builtup. 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. 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. Foundation begin laying and mortaring courses of bricks at the bottom of the pit. Alatrine is a safe and private place to be used for defecation. The ventilated improved pit latrine is an improvement on standard pit latrines that eliminates flies and odour. The vip latrine is an improvement over the simple dry pit latrine.
Ethiopia has been experiencing a high prevalence of communicable diseases, which resulted in high morbidity, mortality, and hospital admission rates. This approach focuses on creating a durable substructure i. Two techniques controlling lmproved ventilated pit. It didnt work first time around because my firewall blocked the download. This improved version, from which its name is derived, was designed to find a solution to, or at least reduce, this problem. Ventilatrd diproved pit latrines general description 3. The ventilated improved pit vip latrine dark interior so flies are not attracted out of the pit sludge door facing prevailing wind minimum 3m deep, 1m diameter fly screen fitted tightly to the vent to catch flies escaping from inside the pit pit lining if soil is weak only light. A practical guide for building a simple pit latrine crs. Ventilated improved pit vip latrine design for guatemala. Vip latrines effectively control odour and flies while still allowing users to clean themselves with hard materials such as newspaper and leaves which may not suitable for. P latrine offers improved sanitation by eliminating flies and smell. This has now been improved, with even greater success, as peter morgan and ephraim chimbunde report. Information on improved latrine options 7 part 3 what do we mean by latrine. Manual removal of the humuslike material in the pits, which is at.