The upgradeable Blair VIP (uBVIP) - SuSanA

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The construction of this “start off unit” uses a single bag of Portland cement, about 500 farm bricks, sand and some 3mm wire. This economical use of cement is possible because: 1. A well tested mortar mix of 20:1 pit sand and cement works well as a brick mortar. 2. . The corbelling technique makes possible the use of a smaller, lighter and more economic slab. 3. The pit is shallower but wider making it easier to build and further away from ground water.
Using a single 50kg bag of Portland cement and local bricks and sand, a pit can be fully lined and capped by a versatile concrete slab. Perhaps this is the incentive for home made toilet construction!
Page 1 and 2: The upgradeable Blair VIP (uBVIP) -
Page 3 and 4: Why the uBVIP has been introduced?
Page 5 and 6: What is the uBVIP? The uBVIP is a c
Page 7 and 8: The aim is get much wider coverage
Page 9 and 10: The “start up” technology consi
Page 11: The pit is capped by a 1.2m concret
Page 15 and 16: The uBVIP is built in three stages.
Page 17 and 18: At first the toilet may be of the s
Page 19 and 20: Fly and odour control in pre-BVIP t
Page 21 and 22: Building the BVIP in stages 1. Cons
Page 23 and 24: Making the concrete slab Making the
Page 25 and 26: Stages of construction - line the p
Page 27 and 28: Stages of construction - lining the
Page 29 and 30: Stages of construction - lining the
Page 31 and 32: Stages of construction - fitting th
Page 33 and 34: Configuration of spiral brick super
Page 35 and 36: Configuration of spiral brick super
Page 37 and 38: Building the spiral wall using the
Page 39 and 40: Making the roof with timber frame a
Page 41 and 42: Specialised pit linings. 1. Partial
Page 43 and 44: Specialised pit linings. 2. subsurf
Page 45 and 46: COSTS Slab and substructure Cement

The upgradeable Blair VIP (uBVIP) - SuSanA

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