norbrook retreat water supply2

8/19/2019 Norbrook Retreat Water Supply2

1/26

Norbrook Retreat

Water Supply Report

Norbrook RetreatWater Supply Report

PREPARED BY:STEPHAN RAMPAIR

NOVEMBER 200

! "uly 200#


2/26

Norbrook Retreat

Water Supply Report

Executive Summary

Norbrook Retreat $% a propo%e& 'ou%$() &e*elop+e(t lo,ate& $( Norbrook St- A&re.- T'e

propo%e& %ub&$*$%$o( ,o(%$%t% o/ ! t'ree1be&roo+ to.( 'ou%e% a(&- T'e e%t$+ate& .ater &e+a(& /or t'e %ub&$*$%$o( $% 2-2+ per &ay-

Potable .ater $% to be %uppl$e& by t'e Nat$o(al Water 3o++$%%$o( *$a a( e4$%t$() !00++ p$pe ru(($() alo() t'e Norbrook Roa&--

T'$% e()$(eer$() report .a% %eek% to properly %$5e t'e &$%tr$but$o( %y%te+ /or t'e%ub&$*$%$o( a(& &e+o(%trate t'e a&e6ua,y u%$() a WATER3AD %o/t.are +o&el-

T'e +o&el pre%e(te& $( t'$% report +eet% t'e +$($+u+ a(& +a4$+u+ pre%%ure ,r$ter$a %et by t'e &e%$)(er-

Step'a( Ra+pa$r7 BS,-7 M-"IE7 PE

2 "uly 200#


3/26

Norbrook Retreat

Water Supply Report

Table of Contents

E4e,ut$*e Su++ary-------------------------------------------------------------------------------------------------------------2

Table o/ 3o(te(t%-----------------------------------------------------------------------------------------------------------------

I(tro&u,t$o(--------------------------------------------------------------------------------------------------------------------------#De+a(&% /ro+ t'e Norbrook Retreat Sub&$*$%$o(--------------------------------------------------------------!

E4$%t$() NW3 Water Sour,e a(& I(/ra%tru,ture------------------------------------------------------------------!

Pre%%ure Te%t$() o( P$pel$(e------------------------------------------------------------------------------------------------!De%$)( 3r$ter$a---------------------------------------------------------------------------------------------------------------------2

Ma4$+u+ a(& M$($+u+ Pre%%ure%---------------------------------------------------------------------------------2

Val*$()-----------------------------------------------------------------------------------------------------------------------------2Stora)e-----------------------------------------------------------------------------------------------------------------------------2

8$re 8lo.% a(& Durat$o(--------------------------------------------------------------------------------------------------2

Total Stora)e Re6u$re+e(t--------------------------------------------------------------------------------------------------!8$re 8$)'t$() Re6u$re+e(t%-------------------------------------------------------------------------------------------------!

Nee&e& 8$re 8lo.------------------------------------------------------------------------------------------------------------!8$re 8lo. Durat$o(----------------------------------------------------------------------------------------------------------

M$($+u+ Re%$&ual Pre%%ure--------------------------------------------------------------------------------------------P$pe S$5$() a(& De%$)( 3r$ter$a-------------------------------------------------------------------------------------------#

P$pe S$5$() a(& 9ayout----------------------------------------------------------------------------------------------------#

I($t$al P$pe S$5$()------------------------------------------------------------------------------------------------------------#Mo&ell$()-----------------------------------------------------------------------------------------------------------------------------#

Re%er*o$r--------------------------------------------------------------------------------------------------------------------------#

"u(,t$o( De+a(&%------------------------------------------------------------------------------------------------------------#Ele*at$o(%------------------------------------------------------------------------------------------------------------------------!

Ta(k a(& Pu+p----------------------------------------------------------------------------------------------------------------!

Dy(a+$, Mo&ell$()---------------------------------------------------------------------------------------------------------! Net.ork A(aly%$% a(& Re%ult%---------------------------------------------------------------------------------------------2S,e(ar$o%--------------------------------------------------------------------------------------------------------------------------2

Re%ult%------------------------------------------------------------------------------------------------------------------------------

2#1'our De+a(&%---------------------------------------------------------------------------------------------------------#D$%,u%%$o( o/ Re%ult%---------------------------------------------------------------------------------------------------------!2

3o(,lu%$o(-------------------------------------------------------------------------------------------------------------------------!2

"uly 200#


4/26

Norbrook Retreat

Water Supply Report

Introduction

T'e &e*eloper% pla( to ,o(%tru,t ! T'ree1be&roo+ u($t% $( Norbrook St- A(&re. $(to a

&e*elop+e(t k(o.( a% Norbrook Retreat- T'$% .ater %upply report e4plore% t'e .ater

&$%tr$but$o( &e%$)( /or t'e %ub&$*$%$o( o(ly-

T'e %$te $% lo,ate& alo() t'e Norbrook Roa&7 Nort' o/ I++a,ulate 3o(,ept$o( H$)'

S,'ool- 8$)ure ! %'o.% t'e %$te lo,at$o( pla(- T'e ele*at$o( o/ t'e %ub&$*$%$o( $%appro4$+ately 0+eter% abo*e +ea( %ea le*el- T'e %ub&$*$%$o( .$ll be bu$lt o(

appro4$+ately 2 a,re% ;0-#He,tare%< o/ /lat la(&-

T'$% report outl$(e% t'e +et'o&olo)y be'$(& t'e &e%$)( o/ t'e .ater %upply /or t'e

propo%e& %ub&$*$%$o(- T'e a$+ o/ t'e &e%$)( $% to a,'$e*e t'e &e%$)( ,r$ter$a %et by t'e

&e%$)(er- I/ t'$% $% a,'$e*e&7 t'e .ater %upply (et.ork .$t'$( t'e propo%e& %ub&$*$%$o(,a( be %a$& to be rel$able-

# "uly 200#


5/26


Fig. 1 Site Location Plan

! "uly 200#

PROPOSED

SITE


6/26

Norbrook Retreat

Water Supply Report

Demands from the Norbrook Retreat Subdivision

De+a(&% /or t'e Norbrook Retreat Sub&$*$%$o( are %'o.( $( Table ! belo.-Populat$o( e%t$+ate% are ba%e& o( o,,upa(,y o/ per%o(% per To.( Hou%e- T'e

e%t$+ate& a*era)e per ,ap$ta &e+a(& $% 2=2-==9 ;0 I+p-)allo(%


7/26

Norbrook Retreat

Water Supply Report

Desi#n Criteria

T'e &e%$)(% &e*elope& are )u$&e& by t'e re6u$re+e(t% o/ t'e O//$,e o/ t$l$t$e%

Re)ulat$o(7 "a+a$,a I(%t$tut$o( o/ E()$(eer% ;"IE< re,o++e(&e& “Guidelines for Design

and Construction of Housing Infrastructure” Vol 3 1984: Water Sul! S!ste"s7 a(& t'e

A+er$,a( Water Work% A%%o,$at$o( Ma(ual: M! Distri#ution S!ste" $e%uire"ents for &ire 'rotection()WW) *31+-

!a"im#m an !inim#m Pre$$#re$

T'e allo.able +a4$+u+ &$%tr$but$o( pre%%ure $% C0 kPa ;!00p%$< at a(y po$(t $( t'e

%ub&$*$%$o(- T'e +$($+u+ %er*$,e ,o((e,t$o( pre%%ure allo.e& at a(y po$(t $( t'e

%ub&$*$%$o( e4,ept &ur$() /$re /lo. ,o(&$t$o(% $% !kPa ;20p%$


8/26


(

! "uly 200#


9/26


2 "uly 200#


10/26

Norbrook Retreat

Water Supply Report

Total Stora#e Re/uirement

M$($+u+ Stora)e Re,o++e(&e&

8$re 8$)'t$() Water Re6u$re+e(t F0-!9% 4 0 4 0 4 2

#720 9 ;!!72 S @allo(%<

0> o/ t'e 2#1'our a*era)e &ay &e+a(&

F 0- 4 22009

!=090> o/ t'e 2#1'our a*era)e &ay %upply plu% t'e /$re /lo. re6u$re+e(t

F ;0- 4 22009< G ;24 00 4 0-<

F ###!09

He(,e re,o++e(&e& %tora)e $% ###-2+ ;!!=7!# S )allo(%<

8or a %+all %ub&$*$%$o( %u,' a% t'$% $t $% $+pra,t$,al to ,reate %tora)e /or t'$% )reat

,apa,$ty a(& 'e(,e $t $% re,o++e(&e& t'at %tora)e /or t.o &ay% ;a*era)e .ater %upply< be

&e%$)(e&7 u%$() o(e &ay /or re)ular %ub&$*$%$o( (ee&% a(& o(e &ay %tora)e /or e4tre+e,$r,u+%ta(,e%- T'e p$p$() $( t'e %ub&$*$%$o( .$ll allo. t'e u%e o/ t'e %tore& .ater /or

/$re/$)'t$() %'oul& t'e (ee& ar$%e-

0ire 0i#htin# Re/uirements

Neee Fire Flo&

3al,ulat$o( o/ t'e Nee&e& 8$re 8lo. ;N88< .a% &o(e ba%e& o( t'e I(%ura(,e Ser*$,e%O//$,e ;ISO< +et'o& a% pre%e(te& $( t'e A+er$,a( Water Work% A%%o,$at$o( Ma(ual:

M! Distri#ution S!ste" $e%uire"ents for &ire 'rotection()WW) *31+-

T'e +et'o& %tate% t'at:

NNF F ;3$


11/26

Norbrook Retreat

Water Supply Report

$F E4po%ure 8a,tor ()WW) *31 ,a#le 1-3+

P$F 3o++u($,at$o( 8a,tor ;()WW) *31 ,a#le 1-4+

3o+putat$o( o/ 3$

& F 3o(%tru,t$o( ,la%% 2 1 "o$%te& Ma%o(ry

& F !-0

A$ F E//e,t$*e 8loor Area

A$F 9ar)e%t @rou(& 8loor Area Po%%$ble ;$( S6- 8t- o/ Se,o(& 8loor ;$(

S6-8t-<

Ma4$+u+ bu$l&$() area F 0-/t4 0-/t-

A$ F ;0-/t 4 0- /t < 4 !-

A$ F 2!0-= %6-/t-

He(,e7

3$F ! 4 ! 4 2!0-=!2

3$F -2)p+

Oi' (.)* 9$+$te& 3o+bu%t$ble (using )WW) *31 ,a#le 1-.+

$F E4po%ure 8a,tor (using )WW) *31 ,a#le 1-3+

9e()t' 1 'e$)'t 8a,tor o/ 8a,$() Wall o/ E4po%e& bu$l&$()

F 0-;/t- o/ E4po%e& Wall< 4 2 ;%torey 'e$)'t%<

F !0!

D$%ta(,e to E4po%e& Bu$l&$() F 0 1!0/t-

(prote,te& Ope($()

+i' .,,

P$ F (using )WW) *31 ,a#le 1-4+

2 "uly 200#


12/26

Norbrook Retreat

Water Supply Report

8or (prote,te& pa%%a)e.ay%7 E(,lo%e& Bu$l&$()7 !!120/t /ro+ E4po%e&

Bu$l&$()%

Pi ' (.-

T'ere /ore7

NNF F ;3$


13/26

Norbrook Retreat

Water Supply Report

Pipe Si1in# and Desi#n Criteria

Pi/e Si2ing an La3o#t

T'e .ater &$%tr$but$o( p$pel$(e% .ere &e%$)(e& $( t'e .ater (et.ork +o&ell$() %o/t.arek(o.( a% Water3AD /or Auto3AD *er%$o( - Var$ou% %,e(ar$o% .ere %et up $(,lu&$()

*ary$() t'e p$pe %$5e% $( t'e (et.ork a(& t'e &e+a(&% to +o&el t'e /a,tor% o/ a*era)e

&ay ,o(&$t$o(% t'at t'e &$%tr$but$o( .$ll e4per$e(,e- S,e(ar$o%7 .'ere ,'e,ke& to %at$%/yt'e *ar$ou% &e%$)( ,r$ter$a-

Initial Pi/e Si2ing

T'e p$pe %$5$() a(& layout /or %ub&$*$%$o( .a% &o(e by %ett$() $($t$al p$pe %$5e% ba%e& o(:

• T'e +$($+u+ %$5e% re6u$re& %upport$() t'e /$re 'y&ra(t layout- !00++ p$pe%

;#?< p$pe% are re6u$re& a% a +$($+u+ .'ere*er 'y&ra(t% are pre%e(t-

• Val*e ba(k %eparate /ro+ t'e .ater %upply to t'e 'y&ra(t%

• T'e u%e o/ %tora)e ta(k .ater to a$& /$re/$)'t$()

&odellin#

T'e .ater +o&ell$() %o/t.are u%e& $% k(o.( a% Water3AD /or Auto3AD *er%$o( - T'$%

%o/t.are $% ba%e& o( t'e EPANET %o/t.are u%e& by +a(y lo,al ,o(%ult$() pro/e%%$o(al%-T'e %o/t.are 'a% all t'e ,apab$l$t$e% o/ EPANET .$t' a&&e& /eature% e(abl$() t'e u%er to

+o&el t'e (et.ork &$re,tly $( t'e Auto3AD &ra.$() e(*$ro(+e(t-So+e ele+e(t% $( t'e (et.ork 'a*e bee( %$+pl$/$e& /or +o&ell$() purpo%e%- T'e *ar$ou%%ett$()% o/ &$//ere(t ele+e(t% $(,lu&e:

Re$ervoir

A re%er*o$r .a% u%e& to +o&el t'e e4$%t$() p$pel$(e pre%%ure- T'$% .a% a,'$e*e& by

%ett$() t'e ele*at$o( o/ t'e re%er*o$r at a 'e$)'t %u,' t'at t'e e6u$*ale(t pre%%ure o/ 0p%$.a% atta$(e& at t'e ,o((e,t$o( po$(t% to t'e %ub&$*$%$o(- T'$% pre%%ure .a% u%e& be,au%e

$t repre%e(t% t'e o//1peak pre%%ure a*a$lable at t'e %ub&$*$%$o( a(& $t $% t'e pre%%ure

a,'$e*e& &ur$() t'e .ater %upply te%t%-

4#nction Deman$

"u(,t$o( &e+a(&% .ere +o&ele& /or u%$() a ba%e &e+a(&% appl$e& to e*ery u($t- A

"u(,t$o( .a% al%o pla,e& at t'e +a$(te(a(,e po$(t to +o&el re6u$re+e(t% t'ere- Table 2%'o.% t'e a%%$)(e& &e+a(& *alue%-

# "uly 200#


14/26


Table , A$$igne 4#nction Deman

LabelElevation(m) Tye

!a"e#lo$(m%/day) &attern Label Elevation (m) Tye

!a"e #lo$(m%/day) &attern

'1 3 *emand 0.+ #i,ed '20 0 *emand 0 #i,ed

'2 0 *emand 0 #i,ed '21 8.2 *emand 1.3- norbrook retreat1

'3 0 *emand 0 #i,ed '22 0 *emand 0 #i,ed

'+ 0 *emand 0 #i,ed '23 0 *emand 0 #i,ed

'6 + *emand 1.3-norbrookretreat1 '24 *emand 1.3- norbrook retreat1

'- 0 *emand 0 #i,ed '2+ 8.4 *emand 1.3- norbrook retreat1

'8 6.4 *emand 1.3-norbrookretreat1 '26 0 *emand 0 #i,ed

' 4.2 *emand 1.3-norbrookretreat1 '2- 0 *emand 0 #i,ed

'10 0 *emand 0 #i,ed '28 *emand 1.3- norbrook retreat1

'11 +.2 *emand 1.3-norbrookretreat1 '2 0 *emand 0 #i,ed



'14 -.4 *emand 1.3-

norbrook

retreat1 '32 0 *emand 0 #i,ed

'1+ 6.- *emand 1.3-norbrookretreat1 '33 *emand 1.3- norbrook retreat1

'16 0 *emand 0 #i,ed '34 0 *emand 0 #i,ed

'1- 0 *emand 0 #i,ed '3+ *emand 1.3- norbrook retreat1

'18 8.4 *emand 1.3-norbrookretreat1 '-0 0 *emand 0 #i,ed

'1 -.2 *emand 1.3-norbrookretreat1 '-1 0 *emand 0 #i,ed

'-2 0 *emand 0 #i,ed

'-3 0 *emand 0 #i,ed

! "uly 200#


15/26

Norbrook Retreat

Water Supply Report

Elevation$

T'e %ub&$*$%$o( $% lo,ate& o( *ery /lat la(& ;appro4$+ately !000


16/26

Norbrook Retreat

Water Supply Report

Net"ork 2nalysis and Results

Scenario$

T.o &y(a+$, &e+a(& %,e(ar$o% .ere +o&ele&- T'$% .a% &o(e %o t'at t'e &e+a(&% at t'e

Lu(,t$o(% .oul& +o&el t'e &$//ere(t ,o(&$t$o(% $(,lu&$() o*er a( e(t$re 2#1'our per$o& toe(,o+pa%%: a*era)e &e+a(&%7 2#1'our +a4$+u+ &e+a(&%7 +a4$+u+ 'our &e+a(&%-

Dy(a+$, a(aly%$% .a% u%e& /or ea,' %,e(ar$o-

2#1'our a*era)e &e+a(&%

T'e 2#1'our a*era)e &e+a(&% .ere ,o+pute& a(& a%%$)(e& u%$() a( a*era)e &ay .ater

,o(%u+pt$o( o/ 2=2-==9 per per%o( a(& per%o(% per to.('ou%e a(& a&&$() 20>a&&$t$o(al &e+a(& /or leak% a(& lo%%e%-

Ma4$+u+ 'our &e+a(&%T'e +a4$+u+ 'our &e+a(&% .ere ,o+pute& by +ult$ply$() t'e 2#1'our +a4$+u+

&e+a(&% ;e4pre%%e& per 'our< by a /a,tor o/ 2

M$($+u+ Hour &e+a(&

T'e +$($+u+ 'our &e+a(&% .ere ,o+pute& by +ult$ply$() t'e 2#1'our a*era)e

&e+a(&% ;e4pre%%e& per 'our< by a /a,tor o/ 0--

Ma$( De%$)( 3o(&$t$o(%

T'e p$pe %$5$() a(& layout o/ t'e propo%e& %ub&$*$%$o( .a% &ee+e& rel$able $/:

!- T'e +$($+u+ pre%%ure% %tate& pre*$ou%ly .ere a,'$e*e& &ur$() t'e 2#1'our

+a4$+u+ &ay &e+a(&-2- T'e +a4$+u+ pre%%ure% %tate& pre*$ou%ly .ere (ot e4,ee&e& at +$($+u+ /lo.-

2 "uly 200#


17/26

Norbrook Retreat

Water Supply Report

Re$#lt$

T'e re%ult% /ro t'e %,e(ar$o% are '$)'l$)'te& belo.7 %$(,e t'e +a$( %our,e o/ /$re/$)'t$()

.ater .$ll ,o+e /ro+ t'e N3W3 #? +a$(l$(e7 (o +o&el .a% &o(e /or /$re /$)'t$()

,apab$l$t$e%-

"uly 200#


18/26


24-hour Demands

Table 6 – table o5 calc#late eman$

Time(r)

'1!a"e(m%/day)

'6!a"e(m%/day)

'8!a"e(m%/day)

'!a"e(m%/day)

'11!a"e(m%/day)

'14!a"e(m%/day)

'1+!a"e(m%/day)

'18!a"e(m%/day)

'1!a"e(m%/day)

'21!a"e(m%/day)

'24!a"e(m%/day)

'2+!a"e(m%/day)

'28!a"e(m%/day)

'30!a"e(m%/day)

'31!a"e(m%/day)

'33!a"e(m%/day)

'3+!a"e(m%/day)

0 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

1 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

2 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

3 0.+ 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03

4 0.+ 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1

+ 0.+ 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06

6 0.+ 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4

- 0.+ 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4

8 0.+ 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1

0.+ 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03

10 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

11 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

12 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

13 0.+ 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03

14 0.+ 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3-

1+ 0.+ 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3- 1.3-

16 0.+ 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1 1.-1

1- 0.+ 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4

18 0.+ 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4 2.-4

1 0.+ 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06 2.06

20 0.+ 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03 1.03

21 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

22 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

23 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

24 0.+ 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68

# "uly 200#


19/26


c7art 1 calc#late eman$

Table * – re$#lt$ o5 moel & it7 &ater /rovie b3 main line

"uly 200#

Calculated Demand 3ver time

0

0.+

1

1.+

2

2.+

3

0 1 2 3 4 + 6 - 8 10 11 12 13 14 1+ 16 1- 18 1 20 21 22 23 24

time *hrs-

Demand*m4(day-

'1

'6

'8

'

'11

'14

'1+'18

'1

'21

'24

'2+

'28

'30

'31

'33

'3+


20/26


Time(r)

'1!a"e(lb"/in)

'6!a"e(lb"/in)

'8!a"e(lb"/in)

'!a"e(lb"/in)

'14!a"e(lb"/in)

'1+!a"e(lb"/in)

'18!a"e(lb"/in)

'1!a"e(lb"/in)

'21!a"e(lb"/in)

'24!a"e(lb"/in)

'2+!a"e(lb"/in)

'28!a"e(lb"/in)

'30!a"e(lb"/in)

'31!a"e(lb"/in)

'33!a"e(lb"/in)

'3+!a"e(lb"/in)

'11!a"e(lb"/in)

0 46 .84 2 43 . 4 2.011 4+ .1 33 40.+1 4 1.+83 3.1- 4 0.8- 3 .4+ 1 38 .31 6 3 .166 38.314 3 8.314 38 .3 11 38 .311 3 8.31 43.-14

1 46 .84 2 43 . 4 2.011 4+ .1 33 40.+1 4 1.+83 3.1- 4 0.8- 3 .4+ 1 38 .31 6 3 .166 38.314 3 8.314 38 .3 11 38 .311 3 8.31 43.-14

2 46 .84 2 43 . 4 2.011 4+ .1 33 40.+1 4 1.+83 3.1- 4 0.8- 3 .4+ 1 38 .31 6 3 .166 38.314 3 8.314 38 .3 11 38 .311 3 8.31 43.-14

3 46.842 43.+ 42.00+ 4+.12- 40.+8+ 41.+-+ 3.163 40.8+ 3.43 38.304 3.1+3 38.302 38.301 38.2+ 38.24 38.22 43.-0-

4 46.84 43.81 41.8- 4+.108 40.+66 41.++1 3.14 40.82+ 3.40+ 38.2-1 3.114 38.26+ 38.264 38.246 38.24+ 38.23 43.688

+ 46.84 43.-2 41.-+ 4+.0+ 40.++4 41.+3+ 3.12+ 40.802 3.382 38.24 3.088 38.24 38.23 38.214 38.213 38.204 43.6-+

6 46 .83 43 .6 1 41 .61 4 +.08 40 .+4 4 1.+1- 3 .10- 40 .- -6 3 .3+ 6 38 .22 4 3 .0+ 38.212 38 .21 3 8.1-- 38 .1 -6 38 .16 4 43 .66

- 46 .83 43 .6 1 41 .61 4 +.08 40 .+4 4 1.+1- 3 .10- 40 .- -6 3 .3+ 6 38 .22 4 3 .0+ 38.212 38 .21 3 8.1-- 38 .1 -6 38 .16 4 43 .66

8 46.84 43.81 41.8- 4+.108 40.+66 41.++1 3.14 40.82+ 3.40+ 38.2-1 3.114 38.26+ 38.264 38.246 38.24+ 38.23 43.688

46.842 43.+ 42.00+ 4+.12- 40.+8+ 41.+-+ 3.163 40.8+ 3.43 38.304 3.1+3 38.302 38.301 38.2+ 38.24 38.22 43.-0-

10 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

11 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

12 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

13 46.842 43.+ 42.00+ 4+.12- 40.+8+ 41.+-+ 3.163 40.8+ 3.43 38.304 3.1+3 38.302 38.301 38.2+ 38.24 38.22 43.-0-

14 46.841 43.88 41.- 4+.118 40.+-6 41.+64 3.1+2 40.844 3.424 38.28 3.13+ 38.28+ 38.28+ 38.2-3 38.2-3 38.268 43.68

1+ 46.841 43.88 41.- 4+.118 40.+-6 41.+64 3.1+2 40.844 3.424 38.28 3.13+ 38.28+ 38.28+ 38.2-3 38.2-3 38.268 43.68

16 46.84 43.81 41.8- 4+.108 40.+66 41.++1 3.14 40.82+ 3.40+ 38.2-1 3.114 38.26+ 38.264 38.246 38.24+ 38.23 43.688

1- 46 .83 43 .6 1 41 .61 4 +.08 40 .+4 4 1.+1- 3 .10- 40 .- -6 3 .3+ 6 38 .22 4 3 .0+ 38.212 38 .21 3 8.1-- 38 .1 -6 38 .16 4 43 .66

18 46.838 43.4 41.46 4+.064 40.+24 41.46 3.088 40.-4- 3.326 38.1+ 3.026 38.18 38.1-8 38.136 38.134 38.11 43.643

1 46.84 43.-2 41.-+ 4+.0+ 40.++4 41.+3+ 3.12+ 40.802 3.382 38.24 3.088 38.24 38.23 38.214 38.213 38.204 43.6-+

20 46.842 43.+ 42.00+ 4+.12- 40.+8+ 41.+-+ 3.163 40.8+ 3.43 38.304 3.1+3 38.302 38.301 38.2+ 38.24 38.22 43.-0-

21 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

22 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

23 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

24 46.842 43. 42.011 4+.133 40.+1 41.+83 3.1- 40.8- 3.4+1 38.316 3.166 38.314 38.314 38.311 38.311 38.31 43.-14

"uly 200#


21/26


c7art , 87art o5 Re$#ltant Pre$$#re$ $ing !ain Line Onl3

Table – Pre$$#re$ Obtaine 5rom moel #$ing a tank an /#m/ $et#/

= "uly 200#


22/26


Time(r)

'6!a"e(lb"/in)

'8!a"e(lb"/in)

'!a"e(lb"/in)

'11!a"e(lb"/in)

'14!a"e(lb"/in)

'1+!a"e(lb"/in)

'18!a"e(lb"/in)

'1!a"e(lb"/in)

'21!a"e(lb"/in)

'24!a"e(lb"/in)

'2+!a"e(lb"/in)

'28!a"e(lb"/in)

'30!a"e(lb"/in)

'31!a"e(lb"/in)

'33!a"e(lb"/in)

'3+!a"e(lb"/in)

'1!a"e(lb"/in)

0 -2 .3+ -0.3- -3 .4 3 -2 .0-3 68.+1 6 .43 6-.+3 6 .23 6 -.81 66 .6- + 6- .+2+ 66.6-4 6 6.6-4 6 6.6-1 6 6.6- 66 .66 -0.813

1 -2.328 -0.33 -3.462 -2.042 68.1 6.11 6-.4 6.1 6-.-- 66.644 6-.44 66.643 66.643 66.63 66.63 66.638 -0.1

2 -2.26 -0.308 -3.43 -2.011 68.888 6.88 6-.46- 6.16- 6-.-48 66.613 6-.463 66.611 66.611 66.608 66.608 66.60- -0.03

3 -2 .22 + - 0.236 -3 .3+ 8 -1 .38 68.816 6 .806 6 -.34 6 .0 6 -.6- 66 .+3 + 6- .383 66.+33 6 6.+32 6 6.+26 66 .+ 2+ 66 .+2 3 -0 .+

4 -2 .0+ 6 - 0.062 -3 .18 3 -1 .-63 68.641 6 .626 6 -.21+ 68 . 6 -.48 66 .34 6 6- .18 66 .34 6 6.33 6 6.321 6 6.32 66 .31 4 -0.81

+ -1.86 6.8 -3.01 -1.+ 68.4-8 6.4+ 6-.04 68.-26 6-.306 66.1-3 6-.012 66.164 66.163 66.138 66.13- 66.128 -1.013

6 -1.-06 6.-06 -2.82+ -1.40+ 68.28+ 6.262 66.8+2 68.+21 6-.101 6+.6 66.804 6+.+- 6+.++ 6+.22 6+.21 6+.0 -1.02

- -1 .6 6 .6 -2 .-1 -1 .2 68.1-8 6 .1+6 6 6.-46 68 .4 1+ 66 . 4 6+ .86 3 66 .68 6+.8+1 6 +.84 6 +.816 6+ .8 1+ 6+ .80 3 -1.032

8 -1 .6- 6 6 .682 -2 .80 3 -1 .383 68.261 6 .246 6 6.83+ 6 8.+2 6- .1 6+ .6 6 66 .80 6+ .6 6 +.+ 6 +.41 6+ . 41 6+ .3 4 -1.21 -1.-23 6.-33 -2.8++ -1.436 68.313 6.304 66.81 68.+8- 6-.168 66.033 66.881 66.03 66.03 66.023 66.023 66.021 -1.421

10 -1 .-1 6 6 .-28 - 2.8+ -1 .431 68.308 6 .3 6 6.888 68 .+ 88 6- .16 8 66 .03 3 66 .883 66.032 6 6.031 6 6.028 66 .0 28 66 .02 - -1.482

11 -1.68+ 6.6- -2.81 -1.4 68.2-- 6.26 66.8+6 68.++6 6-.13- 66.001 66.8+1 66 66 6+.- 6+.- 6+.6 -1.+83

12 -1 .6+ 4 6 .66+ -2 .-8 8 -1 .368 68.246 6 .238 6 6.82+ 68 .+ 2+ 6- .10 + 6 +.- 6 6.82 6+.6 6 +.6 6 +.66 6+ . 6+ 6+ .6 4 -1.6

13 -1 .+8 3 6 .+3 -2 .-1 + -1 .26 68.1-3 6 .163 6 6.-+1 68 .4 4- 6- .02 8 6+ .8 3 66 .-41 6+ .8 6+ .8 6 +.883 6+ .8 83 6 +.88 -1.6+4

14 -1.482 6.41 -2.612 -1.12 68.0- 6.0+8 66.646 68.338 66.18 6+.-83 66.62 6+.-- 6+.-- 6+.-6- 6+.-6- 6+.-62 -1.68+

1+ -1.421 6.42 -2.++1 -1.131 68.00 68.- 66.+8+ 68.2-6 66.8+6 6+.-22 66.+68 6+.-18 6+.-1- 6+.-06 6+.-0+ 6+.-01 -1.6-6

16 -1.21 6.2- -2.418 -0.8 6-.8-6 68.861 66.4+ 68.13+ 66.-1+ 6+.+81 66.424 6+.+-+ 6+.+-4 6+.++6 6+.+++ 6+.+4 -1.-16

1- -1.032 6.033 -2.1+2 -0.-31 6-.611 68.+88 66.1-8 6-.848 66.42- 6+.2+ 66.13 6+.283 6+.281 6+.24 6+.24- 6+.23+ -1.-23

18 -0 .81 3 68.81 -1 .2 8 -0 .+0- 6-.38- 68 .36 6 +.+2 6- .611 6 6.1 6+ .0+ 6 +.8 6+.044 6 +.042 6+ 64 . 8 64 .8 3 -1.-06

1 -0.03 68.0- -2.02- -0.60- 6-.486 68.46- 66.0+6 6-.-34 66.314 6+.181 66.02 6+.1-2 6+.1-1 6+.146 6+.14+ 6+.136 -1.86

20 - 1.02 6.03 -2 .1+ 2 -0 .-32 6- .61 6 8.6 6 6.188 6- .8 84 66 .46 4 6+ .32 66 .1-8 6+.32- 6 +.326 6+.32 6+ .3 1 6+ .31 - -2.0+6

21 -1.013 6.024 -2.14- -0.-2- 6-.60+ 68.+- 66.184 6-.884 66.464 6+.32 66.1- 6+.328 6+.328 6+.324 6+.324 6+.323 -2.22+

22 -0.81 68.3 -2.11+ -0.66 6-.+-3 68.+6+ 66.1+3 6-.8+3 66.433 6+.28 66.148 6+.2- 6+.26 6+.23 6+.23 6+.22 -2.26

23 -0.+ 68.62 -2.084 -0.66+ 6-.+42 68.+34 66.121 6-.821 66.402 6+.266 66.116 6+.26+ 6+.26+ 6+.262 6+.262 6+.261 -2.328

24 -0 .1 68.3 -2 .0+ 3 -0 .633 6 -.+11 6 8.+03 66.0 6 -.- 6 6.3- 6+ .23 + 66 .08+ 6+.234 6 +.234 6 +.231 6 +.23 6+ .22 -2.3+

"uly 200#


23/26


c7art - 9 :ra/7ical re/re$entation o5 Pre$$#re$ Obtaine b3 !oel W7en S#bivi$ion i$ r#n b3 t7e Tank

C "uly 200#


24/26


Table ; – 8alc#late level$ in t7e tankTime(r)

T1 !a"e(m)

0 3

1 2.8

2 2.6

3 2.3

4 2.

+ 2.8+

6 2.-8

- 2.-1

8 2.63

2.+8

10 2.++

11 2.+3

12 2.+

13 2.48

14 2.4+

1+ 2.41

16 2.36

1- 2.31

18 2.23

1 2.1+

20 2.08

21 2.0+

22 2.03

23 2.0124 1.

!0 "uly 200#


25/26


c7art 6 9 Tank Level$ obtaine b3 moel

!! "uly 200#


26/26

Norbrook Retreat

Water Supply Report

Discussion of Results

Nor+al Operat$() 3o(&$t$o(%

T'rou)'out all t'e (or+al operat$() %,e(ar$o% $t .a% ob%er*e& t'at t'e pre%%ure $( t'e%ub&$*$%$o( re+a$(e& abo*e t'e +$($+u+ o/ 20p%$ a(& t'e pre%%ure &rop a,ro%% t'e

%ub&$*$%$o( (o+$(al-

Ma$( De%$)( 3o(&$t$o(%

T'e .ater %upply &e%$)( o/ t'e propo%e& %ub&$*$%$o( .a% &ee+e& rel$able $/:

!- T'e +$($+u+ pre%%ure% %tate& pre*$ou%ly .ere a,'$e*e& &ur$() t'e 2#1'our+a4$+u+ &ay &e+a(& .$t' +a4$+u+ /$re /lo.-

2- T'e +a4$+u+ pre%%ure% %tate& pre*$ou%ly .ere (ot e4,ee&e& at +$($+u+ /lo.

Bot' t'e%e ,o(&$t$o(% .ere a,'$e*e& t'rou)'out all t'e %,e(ar$o% e4a+$(e&

Conclusion

All t'e &e%$)( ,r$ter$a %et by t'e &e%$)(er 'a*e bee( +et a(& t'e .ater %upply (et.ork

.$t'$( t'e propo%e& %ub&$*$%$o( $% rel$ableFig. 6

,6

norbrook retreat water supply2

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