Water Service Area Distribution System Master Plan City of Tigard Water Service Area °..R
Distribution System Master Plan ,I The Project The Project
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Distribution Sygtent Analysis
y October 1999,LISA Award Contract
A Presentation for ♦ Systemlrrverrhty
Samarinda,Indonesia ♦ Population DemaimEsflmBtes
•Previous.Studies ♦ Establish planning and Analysis Criteria
♦Sue Mountain Service Area ♦ Develop Hydraulic Model
oaonm 20-25,2003 ♦1994 Water Supply Plan ♦ System Analysis
im.rnMionW Cxy M—g—Asaoo�W— •various Distribution System Analyses ♦ Determine Existing DeficienciesR—..Ciy Program 9
QN W TMvd RnnnamNWna' ♦ Im ovement Heeds for System ystem Expansion
♦ Recommended System Improvements
♦ Develop Capital Improvement Plan
M��YWfFslBi�tLfl.h: �M9nim.5 v�E PAwaocti.E..Na Rwn.«�nYwt
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ExistingSystem Y ;`. Existing System Existing System
i$etviCe/P18SS1ue Zones . Resat olrs ". Pump Statlons
♦41QFoot
r ".....♦550 Foot Service Zone Ret:ervoss $torage Capacity Service Zone
♦713 Foot K;" (MG)
"g •713 Foot High Pressure(Pumped Zone) " '.,
410 Foot 2 Statfoitsl4 Pumps
410 Foot 9 12.1
470 Foot
470 Foot(10 MG R--i,) 1 StatioNt Pump
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(10 MG Reservoir) 713 10.0 713 Foot 3 Stations/4 Pumps
713 Foot 3 2.3 713 Foot Hgh Pressure 2 Stations/5 Pumps
TOTAL 13 24.4 Canterbury Hill 1 Station2 Pumps
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Existing System Population and Water Demands Population and Water Demands
♦ Pressure Nemo ng StatlDns Population Summary:
!Watei Remand SpmmatF Eiti6titlg`
• DisMution:Syiiem piping -
' Year POWiation:. 4v4",*ow M6x Day
Y6rvka ZpM PoaWatloe
Pale Diameter Es0mate0 Lel19th(M8ea) 2000 46,144 Draan31nga1 Oaman4laro41
4 inch Or leas 42010 51,972
t i _ ; 410 Fool Zone 25,896 3.38 7.80
6lnch 62 2020 54,533
5W Foot
8 inch 65 2030 56,726 8,940 1.16 2.88
G—ky Z-
10 inch 2 2040 57,877 i. 713 Fod
12 inch 49 2050 58,699
Gravity Zorr 7.945 1.0.3 2.38
16 inch 9 2060 59,551 713 Foct 3,263 0.42 0.98
24 inch 7 Saturation 79,876 HP Zona
36 inch 1 Urban Reserves 5,271 TOTAL 46,14 6.00 t3.0
TOTAL 199 miles TOTAL 85,147
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Population and Water Demands Findings Recommendations ,
r+
Storage
Water Derr q- Summary S>�turaban Stnraga Nerds Y i
h •5$OFoot SeMcsZorae aiuvb.`", M�ny�iiat
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AverapPayVAX a" ssor a sTY+n6�2s�a«vora'
Barv�aa Zone '.PopWWon Dwane(meay oemane tmtlel 'Pum in Needs
♦550 FootServi�e20ne �� , 713Foot(beyond2021) Okmp-1R.--&
_E oFoot Zone 40.985 637 16.17 k, $1PFoot(beyond 2021) 10mp-1 P-.Vw
a ♦T13 Foot Service Zone
55p Foe 22.511 283 ZN •10 MG Reservoir
G—ky Z—
Pumping
♦ Pumping
713 Po01 8,830 125 319 ' Distribution System
GravNy Zana S.Maa Zona
713 Faol •Hydraulic Capacity 550 Fool 2 Naw statione
HP Zona 3.681 0.52 132 ♦Fire Flow Needs 713 Foot(beyond 2021) 1 Canaolidmatl Station
.
TOTAL $6.147 11.07 x$11 •System Expansion y
470 Foot ExpaMed Station Capady
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Recommendations Capital Improvement Program Summary Water Loss Evaluation
♦Distribution System Improvements -
♦4i0 Fob Service Zona r the City of Ttgard expetiens ed an avers Rp�uai water
Year ictal Mnual Average
•550Foof Service Zona2 f3,013,720: $1,506,e60 loss of approximately 7%.
a 713 Foot.Service Zone 5 $7,601,720 6,520,344
• The water industry generalty considers a loss of 15%to be
♦0ther7 $tL3ss,rzo $1,624,246 excessive.
♦Property Acquisition 10 $16,387,720 $1,638,772
• Recommendations are to perform a comprehensive leak
♦Aquifer Storage and Recovery(ASR) 15 $23,172,12051,544,808 detection survey and leak repair program.
♦Infrastructure Project Coordination 21 $31,637,270 $1,506,537
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Historical Water Loss Summary Summary' .sw is 66.ai ! ♦ComPretrensive Rieri .
»" 4wa} iwe} v99h.:y tw61 w9.fwa} Les6 ♦Flexible
9292 lx ,.m usw +s5 +9 52% •Long Term Vision of Distribution System
C 8391 BD 1,'r]0 f 62p t,BW 161 6.6%
•Provides for Expanding Service Needs
1,853 662 1,695 °' :.Bx ♦Ready to Integrate with Long-Term Water Supply
9s-9e 371 1.617 1,661 1,662 126 asx ♦Identifies Capital Needs Vision
6697 157 I.M 2.066 1,636 167 BA%
•Council Action
9796 66 1,915 2.016 1,661 62 ].1x
9&69 62 2,176 2.261 2,158 102 4,51
iOTK 1,602 12,N7 1].660 12,921 727 6.6%
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