- Stair angle should be between 25° and 40° for safe and comfortable movement.
- Stair rise typically ranges from 15 cm to 20 cm for easy climbing.
- Stair tread should be about 25 cm to 30 cm for proper foot space.
- The initial setting time of cement is around 30 minutes.
- The final setting time of cement is roughly 10 hours.
- Standard lintel thickness is usually 15 cm.
- Parapet wall height is generally 1 meter for safety.
- D.P.C. thickness is around 25 mm to prevent dampness.
- Standard building floor height is approximately 3.15 meters.
- Window height is generally 120 cm for ventilation and light.
- One cement bag weighs 50 kg.
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