L = l f + (^w" 1 ) 



( u'y j 



m) 



(F5) 



where: 



i m = head loss of slurry per length of discharge line (feet of slurry) 



i f = head loss of water per length of discharge line (feet), defined below 



S md = slurry specific gravity 



U u ' = velocity factor dependent on grain size from Chart 4 in GIW Slurry Pipeline 

 Design Manual (September 1982) 



V m = slurry velocity 



2gd 



'} = 7T-; (F6) 



where 



f = friction factor as obtained from the Moody Diagram for pipe flow 



V = pipe velocity 



g = gravitational acceleration (32.2 ft/s 2 ) 



d = pipe diameter 



For the conditions at Shinnecock,/is determined to be approximately 0.012, V=11.5 fps and 

 d=\ ft, so that *V=0.0246. i m is then found as follows: 



i = 0.0246 + (1.15-1) ^~ 

 { 11.5, 



i m = 0.04185 ft/ft (F7) 



H = (0.04185)8,800 = 424^ 



Appendix F Booster Pump Worksheet F3 



