A Blair VIP Latrine A builder’s manual for the upgradeable BVIP model and a hand washing device Morgan, P. (2011)
In 2010 the Government of Zimbabwe relaxed its technical policy guideline for family toilets (the spiral brick Blair VIP) to include an additional design called an Upgradeable BVIP (uBVIP). In this version the basic requirement is for a brick lined pit and a covering concrete slab, which allows the owner to upgrade in a sequence of steps to attain the final brick built Blair VIP. The starting point is a brick lined pit of suitable capacity capped by a slab which has both squat and vent holes. The government specifies that the range of vent pipe options should include those made from bricks as well as tubes (eg PVC or asbestos etc). It is a requirement that the minimum life of the pit be at least 10 years.
Bibliographic information
Morgan, P. (2011). A Blair VIP Latrine A builder’s manual for the upgradeable BVIP model and a hand washing device Government of Zimbabwe, National Action Committee for Rural Water Supply and Sanitation
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