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Concrete poured over most of a villa roof slab in Zanzibar, aerial view, with one edge of reinforcement still open and a crew at work
Roof slab concrete pour. Photo: .

Zanzibar construction projects: a private villa, stage by stage

Updated

The Zanzibar construction project shown here is a private villa, still in progress. Dated aerial photos trace it from the earthworks to the roof slab concrete pour.

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Stages of this Zanzibar construction project, with dates

This private villa build is seen from the air, and each note says only what its frame shows. Plot size, floor area, cost, schedule and client are not published on this page.

Private villa, Zanzibar In progress

  1. Stage 1. Earthworks and boundary wall completed

    Zanzibar construction project from the air: cleared ground with heaps of pale stone inside a block boundary wall
    Stage 1. Earthworks and boundary wall completed. Photo: .

    Seen from the air, a boundary wall of pale blocks runs round the plot, with a gap beside the site hut. The ground inside has been cleared, with heaps of light-coloured stone spread across it. The hut, made of metal sheeting, stands near the wall beside stacks of blocks and a yellow machine. Nothing has been built inside the wall yet. The next photo moves on to the structure.

  2. Stage 2. Roof slab reinforcement

    Reinforcement mesh and cast-in pipes on the roof slab formwork of a block-walled villa
    Stage 2. Roof slab reinforcement. Photo: .

    By this date the block walls of the villa are up, and formwork for the roof slab rests on top of them. Steel reinforcement mesh covers the formwork, with cast-in pipes laid through it before the concrete arrives. Workers stand across the slab. Beside the building lie an open excavation, heaps of stone and sand, and stacked blocks. This steel disappears under concrete in the next stage.

  3. Stage 3. Roof slab concrete pour

    Fresh concrete over most of a villa roof slab, with one section of reinforcement still open
    Stage 3. Roof slab concrete pour. Photo: .

    This frame catches the roof slab while the concrete pour is under way. Fresh concrete already covers most of the slab, and one section still shows the bare reinforcement mesh. A crew with a wheelbarrow is working on that open section. Site huts of metal sheeting, stacked blocks and loose stone surround the building. Once the last section is filled, the slab covers the whole building.

  4. The next stage is added here with its photo and date.

What happens next

After a roof slab pour, a villa built in blocks usually moves on to the roof, the services and the plaster. The next stage here has no date yet. After a roof slab, the remaining work goes in this order:

  1. The slab cures with its props in place, then the formwork and props come down.
  2. The roof is closed with waterproofing, raised edges round it and rainwater outlets.
  3. The first stage of pipes and wiring goes in, with cables drawn through conduits like those cast into this slab.
  4. Door and window frames go in, then plaster inside and out.
  5. Screeds, tiling, joinery, kitchen and bathroom fit-out, then paint.
  6. External works, then handover.

This is a general sequence, not a schedule for this site. How a whole villa runs under one contract is on villa construction in Zanzibar, and how photo reports work explains what reaches you at each stage.

How new stages are added

This list grows only from photos: once a stage is photographed and dated, it goes at the end. If you build in Zanzibar from abroad, construction project management in Zanzibar explains how stage photos and reports reach you on WhatsApp.

To discuss a villa or house of your own in Zanzibar, send us the plot location and any drawings on WhatsApp. We then list what an estimate needs.