Design Problem Ph usical Environment 



Page no : 



Calculated by: 



Checked by: 



Date 



1 7 of J 53 

 J. R. IV. 



R.fr.j- 



2 Men 73 



Observed Nafer jewel Daj-g - dreakv^ater Harbor 

 Lewes, Delov^are 



i. Lengih of Record: /936 to present (n75) 



2. Mean Tidol Range: 4.1 ft. 



3. 5pring Ronqe: 4.^ ft. 



4. Highest Observed Natar Levels : 



a) Average yearly highest: 3.0 ft above M.H.h/- 



b) Hi ghest obser ved: 5. 4 ft a bove M. H- *V- 



«^ March /962; 



5. Lov^est Observed V^oter Levels .* 



a) Average ijeariy lowest: 2.5 ft below k^L.w. 



b) Lowest observed'. 3.Q ft below M.L.W. 



(26 t^arch 1955) 



Qrophical Summar y 



+10 f95 ~tr tiiQtiest observed Nater level 



■ (& March 19^2) 



Sect. 3.6/ 

 Table 3-5 

 e^Ref.lO 



-*5 



f.yj _ _ Average yearly highest 





h/lean 

 range 



^4 f -11. k4ean high water 



^2f - - Mean ssa level 



J. J * £ n--t^SQn low water 



y.^^t'i'UyJ- _ _- . (USC&,aS chart datum) 



Ref5 (-^■^^f)_ _ Average yearly lowest 



-3.0 Lowest observed water level 

 L_5 (Zb March 1955) 



^-10 



8-17 



