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How much concreting a mason and helper can do in a full working day.? How many labour is required for brickwork, plaster, excavation, reinforcement per standard unit.?
There are many theoratical norms for productivity of equipment and manpower.
If you go through product manual of any equipment there is always a cruve drawn which relates the production to equipment depreciation and nature of product, e.g. a dozer6000 hours used under good maintaince backup can haul2.5 m3 to65 M3 up to20 m lead per hour depending on the denisty of materials to be hauled.
Manpower productivity varies with the weather conditions, average age of manpower, nutration level, living conditions and assigning edequate resources.