- 2071 Chaitra · 4×4 marks
Building: excavation, brick, paneled door, plaster
Short answer
Earthwork excavation for wall trench and pillar pits: 12.82 m3. Brickwork in 1:6 mortar up to plinth including footings: 6.33 m3. Sal wood door shutter 40 mm thick after frame deduction: 1.755 m2. Inside plaster 12 mm thick: 44.20 m2.
Estimate detailed quantities for the following items from attached building drawing: i) Earth work in excavation in foundation ii) Brick work in cement sand (1:6) mortar up to plinth iii) 40 mm thick sal work wood paneled door shutter iv) 12 mm thick inside cement plaster (1:6) [Figure: single room building with front verandah. Room 4.00 m × 4.50 m (as marked), verandah 2.00 m wide, 30 × 30 cm pillars, 30 cm walls with window; door 100 × 200 cm, window 100 × 140 cm, shelf 100 × 170 cm; steps tread 30, rise 15, 1.40 m / 2.00 m wide; wall section: 7.5 cm L.C. over 10 cm R.B. slab, 3.50 m height, 2.80 m and 2.20 m, 2 cm D.P.C., 45 cm plinth, 80 cm foundation with L.C. 10-30 cm layers; verandah pillar foundation 70 × 70 cm L.C. Details approximate.]
Reading of the figure
Room 4.0 × 4.5 m clear, 300 mm walls, 2.0 m verandah in front carried on three 30 × 30 cm pillars (pillar footings 70 × 70 cm); door 1.00 × 2.00 m, window 1.00 × 1.40 m, shelf 1.00 × 1.70 m (a recess, so its plaster surface is not deducted). Foundation taken as 0.80 m wide × 0.80 m deep: lime concrete 0.30 m, one brick step 0.60 m × 0.15 m, 300 mm wall; plinth 0.45 m; clear height 2.80 m.
Centre-line length = 2[(4.0 + 0.3) + (4.5 + 0.3)] = 18.20 m.
i) Earthwork in excavation
| Item | No. | L (m) | B (m) | H/D (m) | Qty (m³) |
|---|---|---|---|---|---|
| Wall trench 0.80 wide × 0.80 deep | 1 | 18.200 | 0.800 | 0.800 | 11.648 |
| Pillar pits 0.70 × 0.70 × 0.80 (3 nos.) | 3 | 0.700 | 0.700 | 0.800 | 1.176 |
| Total | 12.824 |
ii) Brickwork in 1:6 up to plinth
Wall height above the step = 0.80 − 0.30 − 0.15 + 0.45 = 0.80 m.
| Item | No. | L (m) | B (m) | H/D (m) | Qty (m³) |
|---|---|---|---|---|---|
| Brick footing 0.60 × 0.15 | 1 | 18.200 | 0.600 | 0.150 | 1.638 |
| Wall 0.30 × 0.80 to plinth | 1 | 18.200 | 0.300 | 0.800 | 4.368 |
| Pillar brick step 0.50 × 0.50 × 0.15 | 3 | 0.500 | 0.500 | 0.150 | 0.112 |
| Pillar 0.30 × 0.30 × (0.80−0.30−0.15+0.45) | 3 | 0.300 | 0.300 | 0.800 | 0.216 |
| Total | 6.335 |
iii) 40 mm thick sal wood panelled door shutter
Allowing 50 mm for the frame at each side and at the head: shutter = (1.00 − 2 × 0.05) × (2.00 − 0.05) = 0.90 × 1.95 = 1.755 m² (1 no.).
iv) 12 mm inside cement plaster (1:6)
| Item | No. | L (m) | B (m) | H/D (m) | Qty (m²) |
|---|---|---|---|---|---|
| Inside walls 2(4.0+4.5) × 2.80 | 1 | 17.000 | 2.800 | – | 47.600 |
| Deduct door 1.0×2.0 | -1 | 1.000 | 2.000 | – | -2.000 |
| Deduct window 1.0×1.4 | -1 | 1.000 | 1.400 | – | -1.400 |
| Total | 44.200 |
Answer: Excavation 12.82 m³; brickwork to plinth 6.33 m³; door shutter 1.755 m²; inside plaster 44.20 m² (assumed details).
✓ Answer checked by Claude Opus 5.5 (high effort)
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