n 



_IZ_ 





rr r>c/ 



:: . 



ELEVATION AND SECTION OF ORDINARY CRJB. 



! ^ 1 



P>vl 



Tlet DoreteOed I into 



Buk I. lo kiilll with mull OffwU, 

 M ifcown fot Ordlnvjr CriK 



SECTION OF FRAMED CRIB. 



\ 



SECTION Of CONCRETE GUARD CRIB (FOR Rl' 

 For i.ulito Crib* ldr buM are nMd If Urn* ta r. 



