The upgradeable Blair VIP (uBVIP) - SuSanA

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pre-BVIP toilets At first there will be no vent pipe to control flies and odours. The vent hole which has been made in the standard slab is either filled with a weaker cement mortar or capped by a small disc of concrete. The disc is preferred. The vent hole can be opened up u when the upgrading takes place.
Fly and odour control in pre-BVIP toilets At first the unventilated pit toilet will produced odours and fly breeding will occur. These problems can be reduced by wood ash into the pit and placing a covering over the squat hole. It is also possible to place a fly trap over the opened vent hole.
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 and 12: The pit is capped by a 1.2m concret
Page 13 and 14: Using a single 50kg bag of Portland
Page 15 and 16: The uBVIP is built in three stages.
Page 17: At first the toilet may be of the s
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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