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A Study of Lean Construction Practices in Gaza Strip

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Activity Process<br />

Ground<br />

floor<br />

Column<br />

work<br />

Slab<br />

work<br />

ground<br />

floor<br />

Build<strong>in</strong>g<br />

ground<br />

floor<br />

Table 4.37 Balanc<strong>in</strong>g the process (cont.)<br />

Before <strong>in</strong>troduc<strong>in</strong>g buffers After <strong>in</strong>troduc<strong>in</strong>g buffers<br />

NRN<br />

VA<br />

hours<br />

NVA<br />

hours<br />

NRN<br />

New<br />

V.A.<br />

Cast<strong>in</strong>g 5 4.95 0 5 4.95 0<br />

Mechanical<br />

work<br />

New<br />

NVA<br />

5 4.95 0 5 4.95 0<br />

Preparation 5 0 10.99 5 0 10.99<br />

Steel work 5 27.03 0 5 27.03 0<br />

Steel work 4 15.87 0 4 15.87 0<br />

Cast<strong>in</strong>g 4 1.23 0 4 1.23 0<br />

Form work 4 0 163.82 12 0 56.49<br />

Remove form<br />

Work<br />

4 0 19.68 4 0 19.68<br />

Cast<strong>in</strong>g 9 8.98 0 9 8.98 0<br />

Electrical<br />

work<br />

9 8.69 0 9 8.69 0<br />

Form work 9 0 31.58 9 0 31.58<br />

Hollow<br />

cement<br />

Remove form<br />

work<br />

9 19.85 0 9 19.85 0<br />

9 0 40.87 11 0 32.47<br />

Steel work 9 32.86 0 9 32.86 0<br />

Build<strong>in</strong>g 1 5 173.29 0 13 65.9 0<br />

Build<strong>in</strong>g 2 5 133.24 0 10 66.07 0<br />

Build<strong>in</strong>g 3 5 173.69 0 13 66.37 0<br />

Form work 1 5 0 19.62 5 0 19.62<br />

Form work 2 5 0 19.72 5 0 19.72<br />

Cast1 5 5.87 0 5 5.87 0<br />

Cast2 5 5.98 0 5 5.98 0<br />

Remove 1 5 0 11.72 5 0 11.72<br />

Remove2 5 0 11.88 5 0 11.88<br />

76

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