WBS Groups

Factors that Correct the Cost (%)

Maximum

Minimum

Average

Interval

Fe

Fr

Fh

Fb

Ff

Fa

Local Management

14.50

7.00

10.75

7.50

0.00

0.00

0.00

0.00

0.00

0.00

Elevators

3.00

2.00

2.50

1.00

0.00

0.00

0.00

0.00

0.00

0.00

Excavations

2.50

0.50

1.50

2.00

0.00

0.00

0.00

0.00

0.00

0.00

Design & Consultancy

4.50

3.00

3.75

1.50

0.00

15.00

0.00

0.00

10.00

0.00

Construction Site

4.50

3.50

4.00

1.00

0.00

0.00

2.50

2.50

2.50

0.00

Expenditures

6.00

4.75

5.38

1.25

5.00

0.00

2.50

2.50

2.50

0.00

Foundations

9.00

3.50

6.25

5.50

2.50

2.50

2.50

2.50

0.00

0.00

Structure

22.00

15.00

18.50

7.00

2.50

10.00

0.00

0.00

2.50

0.00

Electricity& Plumbing

18.00

12.00

15.00

6.00

5.00

2.50

2.50

2.50

2.50

5.00

Masonry (Walls)

3.75

2.50

3.13

1.25

2.50

2.50

2.50

2.50

5.00

0.00

Waterproofing

2.25

1.75

2.00

0.50

2.50

2.50

2.50

2.50

0.00

0.00

Doors & Windows & Railings

7.00

4.50

5.75

2.50

5.00

0.00

0.00

0.00

5.00

15.00

Internal Coatings

6.75

4.50

5.63

2.25

2.50

2.50

2.50

2.50

2.50

10.00

External Coatings

6.50

4.00

5.25

2.50

2.50

2.50

0.00

0.00

15.00

15.00

Flooring

5.00

3.75

4.38

1.25

2.50

2.50

0.00

0.00

0.00

15.00

Marble & Granite

1.25

0.75

1.00

0.50

2.50

0.00

0.00

0,00

15.00

10.00

Window Panes

1.50

0.50

1.00

1.00

5.00

0.00

0.00

0.00

5.00

5.00

Paintings

2.75

1.75

2.25

1.00

2.50

2.50

2.50

2.50

0.00

5.00

Kitchens & Bathrooms

1.00

0.50

0.75

0.50

10.00

0.00

0.00

0.00

0.00

15.00

Various

2.00

0.50

1.25

1.50

0.00

0.00

0.00

0.00

0.00

0.00

2.64

3.51

1.09

1.09

3.02

3.99

Adopted Values =

2.50

3.50

1.00

1.00

3.00

4.00