ESTIMATING AND COSTING QUIZ

1000 m3

1500 m3

500 m3

2000 m3

½ (Bd + Sd2)

B × d - Sd1/2

B + d + Sd

Bd + Sd2

0.25

0.5

1

0.75

The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied

All listed here

The mid-area of a pyramid is half the average area of the ends

The end sections are parallel planes

√[d² × (ds)²]

L.D √(1 + s²)

d × d × s

2 L.D √(1 + s²)

L.D √(1 + s²)

d × d × s

√[d² × (ds)²]

2 L.D √(1 + s²)

20 minutes

40 minutes

30 minutes

25 minutes

1.00 kg

0.75 kg

0.25 kg

0.50 kg

D [first area + last area + Ʃ Even area + 2 Ʃ odd areas]

D/3 [first area + last area + 2 Ʃ Even area + 4 Ʃ odd areas]

D/3 [first area + last area + 4 Ʃ Even area + 2 Ʃ odd areas]

D/6 [first area + last area + 2 ∑ Even area + 4 ∑ odd areas]

0.03 cum

0.04 cum

0.01 cum

0.02 cum