Computer · Environmental Engineering
As per standard sanitary engineering practice, the recommended inner dimensions for a normal rectangular concrete manhole of shallow to medium depth are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1700 mm × 700 mm
- 2500 mm × 400 mm
- 3800 mm × 600 mm
- 41000 mm × 1000 mm✓
Correct answer
1000 mm × 1000 mm
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