Laying of steel air ducts up to 200 mm
Materials
1 m
Workers
1 m
Instruments
1 m
1.
Steel air duct with fasteners
1 l.m.
1.
Installer
1.1 h
1.
Hammer
p.
2.
Metal shears
p.
3.
Builder's level
p.
4.
Electric drill
p.
5.
Hammer drill
p.
Materials
1 m
Steel air duct with fasteners
1 l.m.
Workers
1 m
Installer
1.1 h
Instruments
1 m
Hammer
p.
Metal shears
p.
Builder's level
p.
Electric drill
p.
Hammer drill
p.
Calculation of materials per
m