IRON DETAILS FOR TIMBER HOWE TRUSS BRIDGE. 



! Material 9i\ Cast Iron Washer B3I99 



1 C5>-VL**^ > I-* V -^ ^-s-^^ z <S>[-(T V 7TI v^Oi 



Clamp Block BM0/*0jhm Clamp Block 

 Bm/ L opp.haqd fork B 3090 

 Material-Cast Iron\ Materialist Iron 



62020"} ones above except for Lateral fingfe Block B3I95f) 

 bosses as shown. Material-Cast Iron 



$' ' m $f i'-o 



/* 



,ji j i'- ffTi 4 



J5 f% fiff "^BM2^JS|r" 



X 



f^f----^^- ^i^^anatyL 



!^A^*^nt ^ 



Lateral Angle Block B3/96 Lateral ffngle Block BMM * - , 



Material -Cast Iron Material -Cast Iron lpql ^*l 



T Sffw/eNubT. M Square Nuts M ^^ Li^J 



^,1 t r'r>! ilnl !~rd Padfnq Washer For Bottom Chord 



^ k ta^ . i-LTL 1 LTH y M dr kB325I 



V? 



JPiyhtHand Threads. 



tlaterial-Cast Iron 

 General Notes.:- 



'V 



/^77 y/^ or twist with inside corners: square and 

 at right angles to Lne longitudinal axis oftht 

 member. Ihe surfaces ofooth cbmps and wedges 

 must be finished wAene catted for. The workmanship 

 and finish shall conform to the best practice in 

 modem bridge shops. 



FIG. 7. IRON DETAILS FOR 150 FT. SPAN, HOWE TRUSS SPAK. 

 C. M. & P. S. RY. 



