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<br /> Y� Labor for Structural Steel Erection
<br /> Man-Hours
<br /> , r Work Element Unit Per Unit
<br /> • Handling (unloading steel from truck to
<br /> ground location at erection site) Ton _ '1,5 ,
<br /> Erection'of steel (erect, bolt,'and plumb +
<br /> ', ' only) �J5
<br /> �* Foundation work Ton 5
<br /> €� •Columns and struts Ton 7
<br /> 1 Beams and channels Ton
<br /> �y Plate girders Ton 5
<br /> Crane rails Ton 5 :.�•-
<br /> ' Knee braces Ton 9 i � ,/•� �;`!�« �,.'� a •
<br /> Floor plates Ton 7 ; ,.-'' •�.'
<br /> F ittings.bolts, rods,and anchor plates Ton 3 i
<br /> ;Grits, angles, angle braces, purlins Ton 7
<br /> t - Skylight frames and curbs Ton
<br /> ��' Monitor frames Ton 12
<br /> k
<br /> + 1 Dormers Ton 10
<br /> k �' + Door frames Ton 12
<br /> Q} Roof trusses Ton 9
<br /> Transmission towers Ton 16 to 30
<br /> ,. ..,-
<br />:t Light steel trestles Ton 12 to 24 ,:. •'. ,
<br /> Steel mill buildings Ton 4 to 12
<br /> Steel frame multistoried buildings Ton 3 to 10
<br /> Temporary bolting2 (3 to 10 bolts/ton) 100 bolts 6 1 �
<br /> Bolting, high-strength (15 to 30 high-
<br /> strength bolts/ton) 100 bolts 5
<br /> ' y . : 4.i� Riveting, air driven
<br /> } F. "; Notes for Structural Steel Erection ` "
<br /> On ground, easy work 100 rivets 8
<br /> V5 t.a For steel erection In this table, the crew consists of one foreman, + .
<br /> ,, Trusses 100 rivets 10
<br /> t3`t= Steel office buildings 100 rivets 12 one crane operator, and four ironworkers. Crew size can vary
<br /> tconsiderably with each ob.
<br /> Steel mill buildings 100 rivets 12 y
<br /> Light trestles and towers 100 rivets 18 2 For bolting,the crew in this table consists of four bolters and one
<br /> Rivetin helper.
<br /> ' �,•'. g.
<br /> hand driven
<br /> Easy work 100 rivets 14 3The riveting crew size In this table Is five men: one helper, one t
<br /> i}�'E Difficult work 100 rivets 21 catcher, two riveters, and one helper to handle air compressor 4
<br />' a Welding4 (5-10 feet of Y< weld/ton) 100 L.F. 22 and hoses.
<br />�`` ' 't• -.';�{' 4 Welding crew Is two welders and one helper.
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