«»♦♦♦♦ EXAMPLE EXECUTION OF PROGRAM BWCOMP »»*»♦» 

 TABLE OF COMPARATIVE BREAKWATER QUANTITIES AND COSTS 



SEAWARD SLOPE = 1 : 2.5 LEEWARD SLOPE 



INCIDENT WAVE : SI6 HEIGHT = 15 FT 



(DEPTH LIMITED WAVE HEIGHT = 14.3331 FT) 



INCIDENT WAVE (FOR TRANSMISSION COMPUTATIONS): 



SI6. HEIGHT = 12 FT PEAK PERIOD = 10 SEC 



MAX TRANSMITTED WAVE HEIGHT = 2 FT( 1 V. EXCEEDANCE) 



1 : 2 WATER DEPTH = 

 PEAK PERIOD = 12 SEC 



19 FT 



RELATIVE VALUES PER UNIT TRUNK LENGTH 



ARMOR UNIT 



SIZE 



CREST 



CREST 



NO. ARMOR 



ARMOR 



CORE 



ARMOR 



CORE 



TOTAL 







HEIGHT 



WIDTH 



UNITS 



VOL 



VOL 



COST 



COST 



COST 





TONS 



FT 



FT 





CY 



CY 



($) 



($) 



($) 



ROCK, UNIF 



12.4 



17.0 



15.7 



7.3 



64.5 



64.4 



4524 



117 



4641 



ROCK, 6RAD 



11.2 



20.0 



15.2 



8.5 



67. B 



80.8 



4284 



147 



4431 



CUBE 



10.6 



17.0 



17,7 



8.0 



41.9 



58.0 



3355 



105 



3460 



MOD. CUBE 



5.7 



15.0 



13.8 



9.9 



27.9 



86.9 



2653 



158 



2811 



TETRAPOD 



5.3 



13.0 



12.7 



e.6 



22.6 



55.4 



2259 



101 



2360 



QUADRIPOD 



5.3 



13.0 



11.6 



8.0 



20.9 



58.3 



2089 



106 



2195 



HEXAPOD 



4.6 



14.0 



13.5 



11.5 



26.3 



57.7 



2634 



105 



2739 



TRIBAR 



4. 1 



16.0 



11.5 



10. 1 



20.5 



73.5 



2053 



134 



2187 



TOSKANE 



3.4 



15.0 



10.8 



11.7 



19.5 



70. 1 



2051 



127 



2178 



DOLOS 



2.5 



16.0 



8.9 



12.3 



15.0 



79.7 



1730 



145 



1875 



NOTES: 1, CREST HEIGHT IS ABOVE STILL WATER LEVEL 



2. ARMOR VOLUME FOR ROCK IS THE TOTAL CROSS-SECTION VOLUME 



3. ARMOR VOLUME FOR ARTIFICIAL UNITS IS THE CONCRETE VOLUME 



«♦♦»»«♦ EXAMPLE EXECUTION OF PROGRAM BWCOMP *»*«*♦♦ 

 TABLE OF COMPARATIVE BREAKWATER QUANTITIES AND COSTS 



SEAWARD SLOPE =1:3 LEEWARD SLOPE =1:2 WATER DEPTH 



INCIDENT WAVE : SIQ HEIGHT = 15 FT PEAK PER'IOD = 12 



(DEPTH LIMITED WAVE HEIGHT = 14.3331 FT) 



INCIDENT WAVE (FOR TRANSMISSION COMPUTATIONS): 



SIG. HEIGHT = 12 FT PEAK PERIOD = 10 SEC 



MAX TRANSMITTED WAVE HEIGHT = 2 FT( 1 '/. EXCEEDANCE) 



= 19 FT 

 SEC 



RELATIVE VALUES PER UNIT TRUNK LENGTH 



ARMOR UNIT 



SIZE 



CREST 



CREST 



NO. ARMOR 



ARMOR 



CORE 



ARMOR 



CORE 



TOTAL 







HEIGHT 



WIDTH 



UNITS 



VOL 



VOL 



COST 



COST 



COST 





TONS 



FT 



FT 





CY 



CY 



($) 



($) 



(i) 



ROCK, UNIF 



10.3 



15.0 



14.8 



8.5 



62.6 



63.0 



4393 



115 



4507 



ROCK, GRAD 



9.4 



17.0 



14.3 



9.6 



64.3 



74,7 



4062 



136 



4198 



CUBE 



8.8 



15.0 



16.6 



9.3 



40.7 



56.6 



3254 



103 



3357 



MOD. CUBE 



4.7 



13.0 



13.0 



11.5 



27.0 



84.3 



2569 



153 



2722 



TETRAPOD 



4.4 



12.0 



12.0 



10.4 



22.6 



57.7 



2259 



105 



2364 



QUADRIPOD 



4.4 



11.0 



10.9 



9.3 



20.2 



56. 1 



2016 



102 



2118 



HEXAPOD 



3.8 



12.0 



12.7 



13.4 



25.4 



55.7 



2545 



101 



2646 



TRIBAR 



3.4 



15.0 



10.8 



12.2 



20.6 



77.0 



2060 



140 



2200 



TOSKANE 



2.8 



14.0 



10.2 



14, 1 



19.6 



73.3 



2057 



133 



2191 



DOLOS 



2.1 



14.0 



8.4 



14.4 



14,6 



78.1 



1683 



142 



1825 



NOTES: 1, CREST HEIGHT IS ABOVE STILL WATER LEVEL 



2, ARMOR VOLUME FOR ROCK IS THE TOTAL CROSS-SECTION VOLUME 



3. ARMOR VOLUME FOR ARTIFICIAL UNITS IS THE CONCRETE VOLUME 



BIT 



