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Question: How many common clay bricks 219mm x 96mm x 70mm can build a 5 room house starting from foundation until finishing the house

Determining the number of common clay bricks required to build a 5-room house from foundation to finish involves several steps and considerations. Below is a generalized approach: 1. **Calculate the Total Wall Area:** Each room's dimensions (length, width, and height) need to be known to calculate the total wall area. If those dimensions are not provided, we can make assumptions. For simplicity, let’s assume each room is of equal size and the house is a simple rectangular structure without complex design features. Assume each room is 4m x 4m and the height of the walls is 3m (common residential wall height). - The perimeter of one room's walls: \( 4m + 4m + 4m + 4m = 16m \) - Total wall area for one room (ignoring windows and doors for now): \( 16m \times 3m = 48 \text{ square meters} \) - Five rooms would thus have an internal perimeter wall area: \( 48m² \times 5 = 240 \text{ square meters} \) However, this calculation would be oversimplified as rooms share walls. Sharing walls means we need to subtract the shared areas or reevaluate the perimeter walls surrounding the entire house added to non-shared walls within. 2. **Adjust for Shared Walls:** Assume a shared wall structure that reduces the redundancy significantly (especially considering an internal layout might share two walls per room): - Assume 30% reduction for shared walls: \( 0.7 \times 240m² = 168m² \) 3. **Foundation and Additional Structures:** Add foundation, roofing gables, and external feature bricks: - Foundation (up to a certain height and width): Add about 50m² for footing and base higher width foundation walls. - Roofing gable ends and other internal feature bricks: Factor in another 20m². - Total adjusted area: \( 168m² + 50m² + 20m² = 238m² \) 4. **Calculate the Number of Bricks:** - Find the individual wall area covered by one brick (including the mortar joint) in square meters: \[ \text{Area of one brick} = (0.219m \times 0.096m) = 0.021024 \text{ sq meters} \approx 0.023 sq meters with mortar joint. \] - Total bricks needed: \[ \text{Total bricks} = \frac{238m²}{0.023 \text{m²/brick}} \approx 10,348 \text{ bricks} \] 5. **Include a Waste Factor:** Always account for wastage, breakage, or cuts: - Factor in about 10% extra: \[ 10,348 \times 1.1 \approx 11,383 \text{ bricks} \] **Conclusion:** Approximately 11,383 common clay bricks (219mm x 96mm x 70mm) would be needed to build a structurally simple 5-room house starting from the foundation to completion, accounting for some waste. These estimates might vary based on design intricacies, accurate room sizes, shared wall recalculations, external and internal features, and construction practices. Always consult an architect or construction professional to get precise calculations tailored to the specific design details of your house.

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