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X - E le v a te d S torage Tank to be in s t a l l e d in shop grounds, c a p a c ity 225,000 g a llo n s , A rough estim a te has been made o f the p ro b a b le c o s t , in o rd e r th a t th is im portant fe a tu r e may b e g iv e n c o n s id e r a tio n , and i t i s thought th at th e e n t i r e i n s t a l l a t i o n cou ld be made f o r ap p roxim ately #175,000. Tn making th e above recommendation, c o n s id e ra tio n has been g iv e n to a l l c o n tin g e n c ie s such as f i r e h a zard s, in c re a s e in R a ilr o a d b u sin ess, in c re a s e in p o p u la tio n o f Las V egas, to g e th e r w ith hazards which might e x i s t under c e r ta in c o n d itio n s i f we d id n ot have an adequate supply o f w a ter in our y a rd s . C o n s id e ra tio n was g iv e n to th e s a n ita r y o o n d itio n s by recommending a g r a v e l f i l t e r and th is treatm en t would a ls o p ro v id e a more d e s ir a b le w a ter f o r b o i l e r use d u rin g such tim e as th e s o fte n e r i s u n dergoin g r e p a ir . W ith th e above i n s t a l l a t i o n and when consumption i s equ al to th e a v a ila b le su p p ly, a d d itio n a l s to ra g e should be c o n stru cted or an a d d it io n a l w e ll d r i l l e d and th e flo w d isch arged in to th e r e s e r v o ir ; th e procedure depending, o f cou rse, upon c o n d itio n s e x i s t i n g a t the tim e. I t would be my reoonmendation th a t th e r e s e r v o ir b e d esign ed so th a t a d d itio n a l u n its could be con stru cted when la r g e r s to ra g e f a c i l i ­t i e s w ere found e c o n o m ic a lly n ecessa ry in o rd e r to con serve d ir e c t f lo w grid p r o p e r ly supply th e consumers. CC-Mr. W.R .Armstrong.