Quantity Surveying: How to calculate sewerage manhole quantity

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00:00 intro
00:31 plan view and section of manhole
01:40 Excavation Quantity
02:07 Bed Concrete quantity
02:25 Quantity of Manhole wall Concrete
03:04 Quantity Canopy Concrete
04:17 Riser Concrete quantity
04:44 manhole benching concrete

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