HomeMy WebLinkAbout0118404-Plumbing
,
WATER CALCULATION WORKSHEET FOR
Rv-"'ch 110"'<:5>, LLc./ The('¡¿,.t;".;,,\ \I!f5._~_!J:l~.!L~_-
""...,"""""'" or PROJ"'"
1.
2.
3.
4.
REQUIRED TO CALCULATE WATER SERVICE SIZE
Demand of building in' gallons per minute.
WSFU's Z '-I, s:::.. " (GPMi
Difference in elevation
filain' or external pres~ure tank to building control valve.
(feel)
Size. of the water 1neter. (When applicable}
518" --' 314" ,:£,1" _,1-112" ...-, Z' __,3"
4"
6"
Developed length from main or external pressure tank to building control valve.
at main in stre..t or extemal prêssure tank.
CALCULATE WATER SERVICE PRESSURE LOSS
6.
7.
6.
Low pressure at main in street Of external pressure tank. (value of # 5 above)
Water service diameter is ...!!::L...... Material Is ?~\'I b",t:tL~_-. Pre$sllre 10$S
per 100 ft =.:i&- psi. X __,-~......Jdecimal equivalent of service lenglh,Ü;_; 65ft = .65) '2. <; 2-
(Subtract line 7. from line 6.) subtotal 5¿J. '11-
OeteO1'Ùoe pressure gain or loss due to elevation,
(ffiul\¡þ¡y the value 01#.2 aboye by,434} v"lue.of"B" 2,1'7
Available presspre after the bldg. control valve. (Subtract or add line 8. Enter in "B".) sub,otal .5'.5,3 (
Value of "G" ïJ 3 ' S'"
(Divide by the value of G.) subtotal' .~~-_.
(Water distribution piping material ;s I..'lP" l\'I.~.fbt--)
9.
CALCULATE THE PRESSURE AVAILABLE FOR UNIFORM LOSS {VALUE OF "A")
6.
Available press\Jre alter the bldg- control valve. (from -g" above)
Value 01 "8"
c.
Pressure lo$s 01 water meter (when mater is required or installed)
Value 01 "c-
(Subtract fine C. from line 8.)
subtotal
o.
Pressure at controlling fixture.
(Control jng fIXture is (\'1",-;,-1.,- S.í.o",,~
Value of "0"
------>
(Subtract Ihe value 01 D.)
subtotal
E.
Difference in eleveitlon between the building control valve
and the controilingflXttlre in feet ---1.SL- X ,4~ psi!fl
Value of "r::"
(Subtract the value of E.)
subtotal
F.
Pressure loss due to water treatment devices, instantaneous
waler heaters and backf1ow preventers whicl1 serve the
controlling fixture.
(Pressure lOSS due to J
(Subtract the value of F.)
subtotal
Value of "F"
G.
Developed length from building control valve to rontroßlng
fixture in feet --~ X 1.5
Multiply by
A
Pressure available for uniform loss
"A" ~
seo -<w. ¡R"""
55< ¿
Þî-
,'-II
2-0
:Jt-~!f I
_'!..~~._-
!:. 7,(;) 7
._..-1.Q!L..
z£_---