Design Problem Prcjim'mQry Desig n 



Page no : 



Calculated by: 



Checked by: 



9/ Of/33 

 J. R. IV. 



Date : 



Revetment Design (cont.) 



Selection of Armor Un/t, Concrete Deniit u 

 6 Structure Slo pe 



rne preceding ano/gsis considered the 

 f/rst cost of tt)e structure. To complete the 

 onalysis, Oi/erage annual maintenance and 

 repair costs need to t)e established for 

 each alter native and for a ranae of design 

 v^ove heights. Maintenance a nd*^ repair 

 costs may modify the conditions established 

 here as the most economical based on 

 first cost 



Seleciton based on First Cost (Construction 



TosT) 



/. Type of Unit: 

 2 Weight of Unit: 



3. Structure Slope: 



4. Unit Weight of Concrete : 



5. Cost per too ft. of structure. 



Stabi/itu Check 



NrH^ 



Tribors 

 97 tons t 

 cot 6' IS 

 15$ Ib/ff^ 

 ^ 5GG, OOO 



W 



Ko(Sr-0 cote 



Kd"^ 10.4- 



cote^ f.s 



^'' aibs/ff^ ^•^'^ 

 /y = /6 ft 



K.EJL 



16 Man 73 



8-91 



