INDEX 
47 
Girders— Continued Page 
Ends 41 
Plate. (See Plate girders.) 
Spacing 20 
Spans, through, bracing of 39 
'Gray-iron castings, materials specification 4 
Gusset plates 32 
Handling members, erection 12 
. Hinged or pin bearings 35 
|\ Impact 28 
'>T-^ Inspection: 
General 11 
Cost of testing 11 
Facilities for 11 
Field 11 
Inspector's authority 11 
Mill orders and shipping statements 11 
Notice of rolling and fabrication 10 
Rejections-. 11 
Iron: 
Cast-materials specification 4 
Wrought-materials specification 3 
Joints: 
Abutting 9 
Expansion ..- 38 
Lacing: 
General 9 
Design 33 
Lateral force 24 
Length of members 29 
Live load 21 
Load: 
Classification 21 
Concentrated 21 
Dead 20 
Distribution 26, 27 
Floor 23 
Girder and truss 23 
Live 21 
Selection of ._._ 21 
Sidewalk 23 
Longitudinal force 24 
Low truss spans, bracing of 39 
Maintenance painting 17 
Malleable castings, materials specification 4 
Marking and shipping 11 
Masonry and sole plates: 
Plate girder 42 
Trusses 44 
Viaducts 45 
Match marking 7 
Materials. (See Specifications for materials.) 
Measurements and payments: 
Basis of payment 13 
Computed weight 14 
Variation in weight 14 
Weighing of members 14 
Weight paid for_ _ 14 
Mill orders and shipping statements 11 
Minimum thickness of metal 32 
Nuts: 
Pilot and driving 10 
Pin, adjustment of 13 
Sleeve 35 
Open sections and pockets 30 
Overload allowance.. 28 
Painting: 
General 15 
Application- _ 15 
Colors of coats 15 
Erection marks... 16 
Field cleaning 17 
Field painting 17 
Machine finished surfaces 16 
( Maintenance 17 
' J^ Number of coats 15 
Removal ofimproper paint- 16 
Shop .- 16 
Shop cleaning 16 
Thinning 16 
Weather conditions - 15 
Payment: 
Basis of 13 
Full-sized tests 11 
Pedestals and shoes 36 
Phosphor-bronze : 
General-. 4 
Structural defects 4 
Pin, pins: 
General.. 10,35 
Bearings 35 
Pin, pins— Continued Page 
Clearances 10 
Connected trusses- -. 43 
Forged 10 
Holes, boring 10 
Location 34 
Net section at 34 
Nuts, adjustment of 35 
Plates 34 
Pitch of rivets: 
General 7 
Ends of compression members 29 
Planing: 
Bearing surfaces 8 
Edge 8 
Plans, approval of 45 
Plate girders: 
Camber 42 
End bearings 42 
Endstiffeners 40 
Ends of through girders 41 
Flange rivets 40 
Flange sections 40 
Flange splices 41 
Intermediate stifiener.s 41 
Proportioning 28,40 
Web splices 41 
Plates: 
Compression 32 
Gusset 32 
Pin 34 
Sole and masonry 42,44 
Tie 32 
Web 9,40 
Pockets and open sections 30 
Portal and sway bracing ^ 38 
Railings "- 39 
Reaming 6 
Rejections 11 
Reversal of stress 27 
Rivet holes: 
General 5 
Accuracy of punched holes 5 
Accuracy of reamed and drilled holes 6 
Drifting 6 
Drilled holes 5 
Field connections 6 
General reaming 6 
Punched holes 5 
Subpunched and reamed holes 6 
Riveting 8 
Pkivets: 
General 7 
Edge distance 30 
Effective diameter 29 
Field 7 
Flange 30 
Long 30 
Pitch 29 
Pitch in ends of compression members 29 
Size 29 
Tension in 30 
Roadway, width of 18 
Rcckers- 36 
Rolled beams, proportioning 28 
Rollers: 
General 10 
Design 35 
Rolling and fabrication, notice of 10 
Screw threads ^ 10 
Shoes and pedestals 36 
Shop assembling -- 6 
Sidewalk: 
Loading --. 23 
Width 18 
Sleeve nuts 35 
Sole and masonry plates : 
Plate girders 42 
Trusses 44 
Viaducts 45 
Spacing of trusses and girders 20 
Specifications for materials : 
Eyebars 2,3 
Grayiron castings 4 
Malleable castings. 4 
Phosphor-bronze 4 
Steel castings, 3 
Steel forgings 3 
Steel structures 4 
Structural , rivet and eyebar steel 1,2 
Wrought iron 3 
