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<br /> :l Labor for Structural Steel Erection ,
<br /> t Man-Hours
<br /> P ,•i'•J Work Element Unit Per Unit
<br /> A Handling (unloading steel from truck to
<br /> ground location at erection_site) Ton
<br /> r Erection'of steel (erect, bolt, and plumb
<br /> only)
<br /> Foundation work Ton 5
<br /> Columns and struts Ton _ 7
<br /> i �,.
<br /> Beams and channels Ton �5
<br /> f Plate girders Ton 5
<br /> j
<br /> Crane rails Ton 5
<br /> Knee braces Ton 9 i ' ,•� '' , .'
<br /> Floor plates Ton 7
<br /> Fittings.bolts,rods,and anchor plates Ton 3 i '- '��Grits, angles, angle braces, purlins Ton 7
<br /> Skylight frames and curbs Ton 10 F
<br /> Monitor frames Ton 12
<br /> r►w Dormers Ton 10 P
<br /> • ; Door frames Ton 12 ''
<br /> Roof trusses Ton 9
<br /> Transmission towers Ton 16 to 30
<br /> Light steel trestles Ton 12 to 24 ` - -
<br /> a�';'" Steel mill buildings Ton 4 to 12
<br /> Steel frame multistoried buildings Ton 3 to 10 '%
<br /> Temporary bolting (3 to 10 bolts/ton) 100 bolts 6
<br /> Bolting, high-strength (15 to 30 high-
<br /> strength bolts/ton) 100 bolts 5
<br /> i WIA
<br /> Riveting, air driven3
<br /> ��'� On grotfnd, easy work 100 rivets 8 Notes for Structural Steel Erection r
<br /> ti Trusses 100 rivets 10 For steel erection In this table, the crew consists of one foreman,
<br /> _►��.
<br /> Steel office buildings 100 rivets 12 one crane operator, and four ironworkers. Crew size can vary
<br /> considerabl with each ob.
<br /> Steel mill buildings 100 rivets 12 y ) ,
<br /> t �.d Light trestles and towers 100 rivets 18 2 For bolting, the crew In this table consists of four bolters and one
<br /> I. Riveting,hand driven helper.
<br /> Easy work 100 rivets 14 3The riveting crew size In this table is five men: one helper, one
<br /> •i��i F= . catcher, two riveters, and one helper to handle air compressor
<br /> Difficult work 100 rivets 21
<br /> . � Welding° (5-10 feet of/. weld/ton) 100 L.F. 22 and hoses. t
<br /> °Welding crew is two welders and one helper.
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