Design Problem Ph usical Environmenf 



Page no : 

 Calculoted hy 

 Checked bv: 



Date : 



Z1 of /33 

 J. fL. -V. 



S Man 73 



Design Wafer Level Summar Lj 



For purposes of the design problem the 

 following wafer levels yvill be used. The 

 crifena used here should nof be assumed 

 generally applicable since design rvafer level 

 criferiQ v^'/ll vary yviih the scope and purpose 

 of a particular project. 



f. Astronomical tide: use + 5.0 ft (M.L.W.) 



Z. storm surge: use -^ ff.O ft 



3. Wove setup: (a function of rvove 



conditions) 



Sect 3.65 



t Exceeded 10% of time. 



IG.Ot- ft (above 



Kf.L.W.) 



Tidal Currents at Delaware dan Entrance 



(Surface Currents Onlu) 

 1946 values ^ 



Refs. 9 



For spring tides 



Example charts from Reference 9 and a 

 summary of tidal current velocities are given 

 on the follo^Ning pages. 



8-21 



