STONE GRADATION 



TYPE "a" STONE I "3 TONS 



TYPE "B"ST0NE 200-700 POUNDS 



TYPE"C"STONE 0.5-50 POUNDS 



CHANNEL SIDE 



r 



30.4 



PRIMARY ARMOR-TYPE A -i-^ h , ^Kl 



UNDERLAYER-TYPE B -v J_\ ' /"HPn 



LAKE SIDE 

 ■NAVIGATION LIGHT FOUNDATION 



LWD EL 568.6 (IGLD) 



yfSi^ 



•3EDDING AND 

 CORESTONE-TYPEC 



TYPICAL HEAD SECTION 



APPROX.LAKE BOTTOM 



STA. + 00 TO 1 + 00 ARMOR LAYER 9 8FT THICK ( NORTH AND SOUTH BKW) 

 STA. 1+00 TO 2+00 ARMOR LAYER 6.5FT THICK (SOUTH ONLY) 



PRIMARY ARMOR-TYPE A 

 UNDERLAYER-TYPE B 



HANDRAIL 

 CONCRETE WALK 



EL. 575.5 



m/Mj^// I 5' I Y~rmmmrr 



BEDDING AND CORESTONE-TYPEC ' ^—APPROX. LAKE BOTTOM 



TYPICAL OUTER TRUNK SECTION 

 STA 3 + 20 TO 5 + 00 



TYPICAL BREAKWATER SECTIONS 



Figure 207. Typical breakwater cross sections, West Harbor, Ohio 



313 



