* » EXAMPLE EXECUTION OF PROGRAM BWCOMP » ♦ 

 TABLE OF COMPARATIVE BREAKWATER QUANTITIES AND COSTS 



SEAWARD SLOPE =1:2 LEEWARD SLOPE = 1 



INCIDENT WAVE : SI6 HEIGHT = 15 FT 



(DEPTH LIMITED WAVE HEIGHT = 14.3331 FT) 



INCIDENT WAVE (FOR TRANSMISSION COMPUTATIONS): 



SIG. HEIGHT = 12 FT PEAK PERIOD =■ IB SEC 



MAX TRANSMITTED WAVE HEIGHT = 2 FT( 1 7. EXCEEDANCE) 



: 1.5 WATER DEPTH = 19 FT 

 PEAK PERIOD = 12 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 



($) 



(*) 



($) 



ROCK, UNIF 



15.5 



20.0 



16.9 



5.8 



63.7 



59.2 



4473 



108 



4580 



ROCK, 6RAD 



14.0 



24 







16.3 



6.8 



68. 1 



77.8 



4299 



142 



4441 



CUBE 



13.2 



20 







19.0 



6.4 



41.5 



53.2 



3323 



97 



3420 



MOD. CUBE 



7. 1 



17 







14.8 



7.7 



27.0 



77.9 



2561 



142 



2703 



TETRAPOD 



b.b 



15 







13.7 



6.7 



21.9 



48.5 



2190 



88 



2279 



QUADRIPOD 



6.6 



16 







12.5 



6.4 



20.9 



54.8 



2086 



100 



2186 



HEXAPOD 



5.8 



16 







14.5 



8.9 



25.5 



50.3 



2548 



92 



2640 



TRIBAR 



5.1 



18 







12.4 



7.8 



19.7 



64.0 



1970 



116 



2087 



TOSKANE 



4.2 



18 







11,7 



9.3 



19.3 



65.2 



2031 



119 



2149 



DOLQS 



3. 1 



18 







9.6 



9.4 



14.4 



69.4 



1655 



126 



1781 



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 : 2.5 LEEWARD SLOPE = 1 : 1.5 WATER DEPTH = 19 FT 



INCIDENT WAVE : SIG HEIGHT = 15 FT PEAK PERIOD = 12 SEC 



(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) 



■ . ., 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 



6.9 



60.4 



56.5 



4240 



103 



4343 



ROCK, GRAD 



11.2 



20.0 



15.2 



7.9 



63.4 



71.2 



4006 



129 



4135 



CUBE 



10.6 



17.0 



17.7 



7.5 



39.3 



50.6 



3147 



92 



3239 



MOD. CUBE 



5.7 



15.0 



13.8 



9.3 



26.2 



77.9 



2489 



142 



2630 



TETRAPOD 



5.3 



13.0 



12.7 



8. 1 



21.2 



48.6 



2122 



88 



2211 



QUADRIPOD 



5.3 



13.0 



11.6 



7.5 



19.6 



51.3 



1961 



93 



2055 



HEXAPOD 



4.6 



14.0 



13.5 



10.8 



24.7 



50.7 



2472 



92 



2565 



TRIBAR 



4. 1 



16.0 



11.5 



9.5 



19.2 



64.9 



1922 



118 



2040 



TOSKANE 



3.4 



15.0 



10.8 



11.0 



18.3 



61.9 



1921 



113 



2034 



DOLOS 



2.5 



16.0 



8.9 



11.5 



14. 1 



70.6 



1618 



128 



1746 



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 



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