Chicago : Engineering and Contracting Pub. Co. · leaf 639
ial from the surfacetrack on which it is received from the storageyard, to the track on the level of the bridgefloor, a double hoisting trestle was constructedjust east of Pier 4. The low level trackruns between these two trestles, while the highlevel track is supported on the upstream tres-tle.… … : - j 1 j a 54-» 5-J? - • ■ -■<: ; ! ■ • .. 90 W is. , . . d 4 at L-3WD-4.436 LS1-3314 D-3S41 13D-2,310 U2S35D- 2%2 ftailroad floor % I ower L a terohDead it). , ifi tmilSi] ■ 2 Webs 21-i .*. Ctitt-f J Loads Per Truss as at Panel Points. Load from L, Trusses 123,990 38,820 Bracing 1,300 2,610…
Buildings
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