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WATER CA1.GULATION WORKSHEET FOR_..1:.1L9._1:1 f.._Ve.r- ~Ot6
~1'I\'I€/i\CPPESS Of ~l)JE;:'
~_o-...._....--,_...-~_.~--~-....-----_.~
r.:~.....J:'ON R~Cl1:iIR;li.xO(;;"'CULA TE WATER SERVlCE S;; --'--'i
\ L OB"'and 01 bU'ld;~9;rr !l'"~nS pee m;nule. WSFU's ~.. o.'?:.. .. (GPMi _~1_ ,
1\ Z. o.tJe'~fA'.i~;.~~~~llon lrom m.in or ."'em.1 pres.ure tank 10 building control ,.Ive. ife"'. 5 '.1
3 :>i,,;~f;";' ~\;,iJ&ii!~;~ (When applicable) 518" _,31'" &, r _,1.112" _, Z' _, 3" _' '" ._' "'-' I
t. Deve~ped Ie~; f;O~' main or exlemal pressure tank to building <<lot"" vaNe, (feel) jiQ.~_1
5. LOW p.essure 81 maIn In street o. exleOlal pmssore tank. (1)''9) !i2-- I
__---- __ J
CALCULATE WATER SERViCE PRESSURE LOSS
6.
Low pressure at main in street or extemal pressure tank. (value of # 5 above)
Water service diameter is _J.l'l__. Material is Pr..ly h...+t 10l:....__._____... Pressure loss
par 100 ft =: 3. Lj psi. X . (,.0 (decimal equivalent 0 service length. i.e. ~ 65ft. == .65)
7.
(Subtract iine 7. from line 6.)
subtotal
8.
Determine pressure gain or toss due to elevation.
(multiply the value of # 2 above by .434) value of -8~
9.
Available pressure after the bldg. control valve. (Subtract or add iine 8. Enter in ~B..) subtotal
CALCULATE THE PRESSURE AVAILABLE FOR UNIFORM LOSS (VALUE OF ",0"')
55'
_2.o:f...-._
.~~.
?/r'f
..:L~:29 .
B.
Available pressure after the bldg. control valve. (from -9M above)
Pressure loss of water meter (when meter is required Of installed)
Value of "B" f~..:2(~L
Value of "C' "3.2-
c.
(Subtract line C. from line e.) subtotaJ "fry. ~1
Value of "0"
D.
Pressure at controUing fIXture. I
(Controlling fixture is . M"">""~
t3A. +'"
)
(Subtract the value of 0.) subtotal
20
.?1 /5 <(
E.
Difference in elevation between the building control valve
and the controlling fixture in feet ." r X .434 psVft
vaiue of "En 3...:..!! 06
(Subtract the vatue of E.) subtotal V-:.1~
F.
Pressure loSS due to water treatment devices, instantaneous
water heaters and backflow preventers which serve the
controlling fixture. Value of UF"
(Pressure loss due to )
(Subtract the value of F.) subtotal
G.
Developed length from building control valve to controlling
fixture in feet _~_ X 1.5 Value of ~G"
(Divide by the value of G.)
(VVater distribution piping l11aterial is 11f'!;..~~~~)
subtotal
Multiply by
UAH :~
p,
Pressure available for uniform loss
seu ,,64 (H ~R~.!i
-
7. ? {. SLf
je;;-
_~.~!.~_2
__...-190 _"'
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