BhadaniS Part 1 Free Tutorial Mode and method of measurement bhadanis Construction Billing Engineering Practical Training for Civil Engineers of India and the world Call 9990990844 or 9810476579 or visit www.billingengineer.com

1. Mode and Method of
Measurement
Earthwork in Excavation and BackfillingWork
BHADANI’S FREETUTORIAL PART 1

2. 1.
Block Levels has to be taken at the
start of the work.
The intervals can be of 3m or 5m
2.
The UoM (Unit of Measurement) is in CUM
and should be rounded off to nearest two
decimals
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3. 3.
For Pit Excavation an offset of 30 cm can be
taken on either side of the footing up to 1.5 m
depth and for more than 1.5 m depth it can be
taken as 50 to 60 cm.
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4. 4.
For Pit excavation Depth can be arrived by taking
=
Average top level – Average Bottom Level
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5. 5.
For Mass Excavation Earth work
quantity can be calculated by
using any of the rules like
Trapezoidal or Simsons rule etc.
Proper CVI (Reasons) has to be
maintained for Mass Excavation
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6. 6.
For hard rock and soft rock the top levels and bottom
levels should be taken with consultant approval.
The Quantity can be arrived with top and
bottom levels or the quantity can be arrived by
stacking the Hard rock.
The place for stacking should be selected
in accordance with clients’ approval and must be recorded
with joint measurement from client and contractor.
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7. 7.
Back filling quantity can
be arrived using
Trapezoidal
or
Bhadani’S rule.
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8. 8.
Final quantity is arrived by deducting the
volume of concrete and size stone masonry
below ground level from the total quantity.
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9. 9.
Earth brought from outside or to be carted
away is calculated by
=Total Excavated Quantity -Total Backfilling
Quantity.
IfValue is -Ve - It is Earth brought from
outside +Ve - It is Earth to be carted away.
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10. 10.
For Jungle clearance item, the area to be
considered is 5m off set all-round the building
and if for road works, 1m offset should be
considered on either side
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11. 11.
For EX:The below is the block level of area 40 m
X 20 m with levels of 5 m interval with mass
excavation to be done for entire area with
excavation bottom level as 95.2
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12. BLOCK LEVEL
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13. The volume can be found by taking
average rectangle/square method.
The depth of excavation
=
(98.75+98.7+98.68+98.85)/4 – 95.2
(i.e. AvgTop lvl – Bottom lvl.). = 3.545 m
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14. Area = 5 X 5 = 25 sqmVolume of Earth
=
Area X Depth = 25 X 3.545 = 88.63 cum
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15. SimilarlyVolume of Earth has to be calculated
for Other Square areas and to be added to get
the total quantity. If there is hard rock, it can
be stacked separately.
The volume of Hard rock stacked can be found
by taking site measurements. For Ex, refer
below sketch as stack measurement.
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