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HomeMy WebLinkAboutReso. 1984 - 032 - Establishing a water system special benefit charge 411 I . r► f RESOLUTION NO. may',02_, A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF REDDING ESTABLISHING A WATER SYSTEM SPECIAL BENEFIT CHARGE. WHEREAS , the City of Redding, through its City Council, has adopted a Master Water Plan; and WHEREAS, the plan recognizes system deficiencies which are uniquely confined to specific geographical areas, as shown by the attached map; and WHEREAS, elimination of the identified deficiencies in the specific geographical areas is necessary to accommodate projected growth which cannot be met by existing systems; and WHEREAS, cost estimates have been prepared based upon the need for specific improvements; and WHEREAS, the fees proposed do not exceed the prorata share of the amount of the cost of improvements within the specified geographical areas which would be accessible on such property if such costs were apportioned uniformly on a per acre basis adjusted for land use considerations; NOW, THEREFORE, BE IT RESOLVED that the City Council of the City of Redding hereby establishes water system special benefit charges as defined in Section 14 . 08 . 010 I of the Redding Munici- pal Code for specific zones of deficiency, all as more specifi- cally set forth in Exhibits A, B, C and D attached hereto and made a part hereof. Said charges are to be levied against all 'k lots or parcels created subsequent to July 1 , 1980. RESCINDED BY RESOLUTION 90-417 r , I • I HEREBY CERTIFY that the foregoing resolution was intro- duced and read at a regular meeting of the City Council of the City of Redding on the 6th day of February , 1984 , and was duly adopted at said meeting by the following vote: AYES: COUNCILMEN: Demsher, Fulton, Kirkpatrick, Pugh, and Gard NOES : COUNCILMEN: None ABSENT: COUNCILMEN: None ABSTAIN: COUNCILMEN: None I / i t- . /_rI , . A L14. fARBARA ALLEN GARD, Mayor City of Redding ATTEST:?1- 6e' ETHEL A. NICHOLS, City Clerk FORM PROVED: RA DALL A. HAYS, C. ty Attorney -2- ,T i110 EXHIBITA SPECIAL BENEFIT ZONE • WATER SUPPLY AND TRANSMISSION CASCADE PRESSURE ZONE BENEFIT ZONE: Cascade Water Pressure Zone as depicted on the attached map. DESCRIPTION OF PROJECT: Construction of major transmission mains ranging from 12- to 24-inches in diameter and the drilling of five additional wells in the Enterprise well field. PURPOSE OF PROJECT: To increase the water supply capacity to the Cascade Pressure Zone and to provide for its adequate transmission and distribution from the Enterprise well field to the consumer. In 1977 when the Cascade area was annexed to the City of Redding, the maximum daily demand was approximately 2.6 MGD while the effective capacity of the well systems was less than I MGD. In 1982, the maximum daily demand in the Cascade Pressure Zone was 3.2 MGD, while the effective well capacity had dropped to approximately .7 MGD. This maximum day demand supply deficiency is currently being made up by dedicating supply from our Foothill Pressure Zone via the crosstown main. As indicated in the 1982 Master Water Plan, it is estimated that the maximum daily demand in the Cascade Pressure Zone will exceed the effective capacity of the existing wells and the supplemental supply capability of the crosstown main in about 1986-87. .To provide for an adequate supply after the supplemental supply from our crosstown main is used up, the 1982 Master hater Plan recommends the drilling of five additional wells in the Enterprise well field and the construction of major transmission mains to transport that water supply to the Cascade Pressure Zone, In the plan, it is recommended that the the five new wells be staged over the next 20 years with the first one, Well No. 8, to be drilled in 1983-84. • 5/83 • • 6931-52 BENEFIT CHARGE WATER SUPPLY AND TRANSMISSION CASCADE ZONE PROJECT: Construct transmission mains and provide additional water supply from ground water wells in the Enterprise area. BENEFIT ZONE: The Cascade Water Pressure Zone. ESTIMATED PROJECT COST: $1,730,000(1) ESTIMATED HES BENEFITTING: 1. Proposed improvements will increm water supply in the Cascade Pressure Zone by 4.1 MGD 2. HEs benefitting = 4,100,000 gal/clay, 1627 ga.l/day/HE - = 2520 BENEFIT CHARGE: Project Cost 1.730.000 HEs Benefitting = 2520 = 686.50"$685 Notes : (1) See attached 1980 Master Water Plan report and Tables I and II. Note: Jan 1981 estimated project costs have been escalated by 18.6% to reflect change in E.N.R. 20 Cities . Construction Cost Index het.wean Jan 1981 a„d May 1983. (2) 1 HE equals 1627 gals/day maximum day usage per 1977 and 198 Master Water Plan. n Appf ved:11/0 t 1 • �jl Carl Arness Director of Public Works Rev 5/83 �ti onr.l _ _s r.r,,,ed • VGINEERIN+ G Engnrcti _ Incorpura:ed • May 6 , 1980 • 19. 18 • Mr. Robert Gal.usha Superintendent of Public Works City of Redding 760 Parkview Avenue - Redding, California 96001 • Dear Bob: Subject: Water System Supply to Cascade and. Enterprise from the Enterprise Wells Pursuant to your request, we have reviewed your February,_ 1980 , memorandum which is a preliminary update of the 1977 Master Water Plan. Your growth projections of five percent per year for the Enterprise and Cascade systems seems reasonable to us . The 1979 Master Sewer Plan indicates a growth of 4 . 5 percent for Cascade and 4 . 9 percent for Enterprise. The 1977 Master Water Plan only assumed two percent for Cascade and four percet for Enterprise. The current projections of five percent require additional supplies be developed about 1984-85 to serve these two areas . We agree with your recommendation to further develop the Enterprise well field to meet these demands. Although there are contingencies in the development of a well system which are not present in development of your main • surface supply system, the wells offer distinct advantages of cost, water rights , and also the reliability of a diversi- fied supply system. In the unlikely event that a long-term use or development of the well field was deferred , it would be relatively easy to use the piping system which would be neces- sary near the Bonnyview Bridge area to furnish the required demands from a new water treatment plant on the river . Attached is a revised master plan layout which would allow an enlarged Enterprise well field to supplement the necessary demands into Enterprise and Cascade until the year 2000 . Addi- tional facilities would be needed after that time . The supple- mental demands rcauired to serve Cascade and Enterprise are 4 . 1 mgd and 7 . 0 mcd , respectively. In addition , a standby well would be required . • • • 1730 LOUTH STf1EET c RCC!DI':(1, CA 06C.)1 • (O1G) 2: 0202 • • Mr. Robert Galusha May 6 , 1980 City of Redding Page 2 19. 18 • The proposed improvements include five new wells of approxi- mately 2 , 000 gpm each, a large transmission main from the well field into Cascade , and another large transmission main north from the well field through the Enterprise system to the existing storage reservoir. Also attached is Table I showing the estimated costs of these .improvements. Because the routes or these pipelines are very preliminary, the cost estimates are quite approximate. I have not included the cost of the 1E-inch- main that is theoretically required to serve the future Enterprise demands since it is really conceptual. Theoretically, this line would not be required until about 1994 ; and depending on actual growth and projected growth at that time , it would probably be desirable to increase its size substantially to provide a much longer time until additional strengthEning is needed. I think this needs to be looked at more closely in a new master plan update planned for next year. • I have proportioned the costs of the proposed improvements for both the Cascade and Enterprise systems. Because the Enterprise system does not include the costs of the northerly 18-inch main mentioned above, the costs for Enterprise are incomplete ; but, as I understand it, you really just need Cascade at this time. - - The attached Table II indicates the desired staging of the proposed improvements. The first improvement would be the pipeline across Bonnyvi.ew Bridge which would connect the Enterprise and Cascade systems. By inspection of the 1977 Master Water Plan computer run No. 32 , 1986 2.1DD, Enterprise system, it appears that this inter- connection would have a flow capability of about 1. 0 mgd. This could vary• substantially depending on- the growth and actual demands in that area ; however, if necessary, by either valving off a lower portion of the southwestern corner of the • Enterprise system, or even better, by installing one or two -r- normally closed pressure release valves , a flow of 1 . 0 mgd could he achieved . Please give me a call if you have any further questions. Very truly yours, • _,arty �. Kcpp; u LGK/jh Managing Engi eer attachments • • • 1 • I ii 1 1 ry 0 N N N C• 1.C1 N D` um r O r r1 N m c• pp .. m r . 0 G CO CS, .n r v r .r1 v 0 rn O W •-•I r N d 0 N N e W CC u CO a O O O O O O O O 1 O.1 O U O 0 N N Vi O 1 O v+ N a O 0 . 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L / ---A 7-, ._ /r ' '1--'._i +_ • SPECIAL BENEFIT ZONE WATER STORAGE CASCADE PRESSURE ZONE BENEFIT ZONE: Cascade Water Pressure Zone as depicted on the attached map. DESCRIPTION OF PROJECT: Construction of a '2 MG reservoir above the Redding Ranchettes Subdivision and the installation of approximately 4,200 LF of 16-inch transmission main connecting the new reservoir to an existing 12-inch transmission main located at Canyon Road and State Route 273. PURPOSE OF PROJECT: To provide adequate equalizing, emergency, and fire flow storage for the Cascade Water Pressure Zone. As indicated in the 1977 Master Water Plan, the available water storage in the Cascade Pressure Zone was moderately deficient when Cascade was annexed to the City of Redding. In 1977 , the City had a single 1 MG storage tank in the Cascade Pressure Zone located off Kenyon Drive. The storage, which was required for peak hour demand and equalizing storage in combination with the fire flow storage, was 1.6 MG in 1977. Therefore, a 600,000 gallon storage deficiency existed. The 1977 Master. Water Plan recommended construction of 1.5 MGD reservoir. and 12-inch transmission main to be constructed to provide adequate storage to the Cascade Pressure Zone. Because of back-up storage that was available through the crosstown main via our Foothill storage tanks, the 1977 Master Water Plan recommended that: the storage tank and transmission main be constructed sometime between 1981 and 1984. . In 1981, when the reservoir was designed, it was recommended by PACE Engineering that the City construct a 2 MG reservoir and 16-inch connecting transmission main. In May and June 1981, the City awarded two separate pros cots, one for the construction of the 2 MG reservoir and the other for the installation of the 16-inch transmission main. Work on the reservoir was completed on August 2, 1983; work on the 16-inch transmission main was complete on September 24, 1981. With the completion of this 2 MG reservoir, storage supplies in the Cascade Zone should be adequate until the year 2002 based on a five percent growth rate. • 5/83 • e 6931-53 BENEFIT CHARGE WATER STORAGE CASCADE ZONE PROJECT: Construction of a -2 MG storage reservoir and 16-inch connecting supply line BENEFIT ZONE: Cascade Water Pressure Zone PROJECT COST: See attached breakdown of actual construction costs TOTAL PROJECT COST = $578,863 ESTIMATED HEs BENEFITING: 1. The combined storage for the Cascade Pressure Zone with the construction of the Redding Ranchettes Reservoir is 3.0 MG. The 3.0 MG combinehtorage will provide for a maximum day demand of 6.66 MGD 2. The measured maximum day demand in 1982 was approximately 3.0 MGD 3. Therefore, the new 2.0 MG reservoir will provide adequate storage for 3.66 MGD of additional demand. (6.66 MGD - 3.0 MGD) = 3.66 MGD 4. HEs benefitting = 3,666,666 gals/dT, 1627 gals/day/HE `) HEs benefitting = 2255 BENEFIT CHARGE: • Project Cost HEs Benefitting. $578,863 2255 $256.70 _• $255 • S III Notes : (1) From 1977 and 1982 PACE Engineering Report Master Water Plan: Required storage = equalizing storage and emergency storage Required storage = 0.20 MDD plus 0.25 MDD Required storage = 0.45 MDD (2) 1 HE equal 1627 gals/day maximum day usage per PACE Engineering Report 1977 and 1982 Master Water Plan Approv (ik Carl Arness Director of Public Works Rev 5/83 ACTUAL CONSTRUCTION COSTS FOR THE REDDING RANCHETTES 2 PIG RESERVOIR Improvement Construction Cost 1. Construction of 2 MG Reservoir a. Preliminary Engineering (City) , $ 203 b. Field Engineering and Inspection (City) 22 c. Design Engineering & Inspection (PACE Engineering) 42,450 d. Contract Construction (Glenn Shook) 383,372 e. Purchase of Reservoir Site 6,450 Subtotal $432,497 2. 16-Inch Connecting Supply Line a. Preliminary Engineering (City) $ 4,304 b. Field Engineering and Inspection (City) 2,485 c. Contract Construction (Cox & Cox) 137,191 d. PGE Gas Relocaiton Work 2,386 Subtotal $146,366 TOTAL $578,863 Rev 5/83 1 1 /' It -, t-3•. - , ✓,' ., °•" 1 •I;.._ -ill I r \ ., ..c- • /46. '" --� �1 I/' EMLL��• 1 Y�007MIL \fit �_•- I��— .n } PRESSURE ONE - -"� 1. -PRESSU-a ENT:-PRISE -1::: -.ems �! \ \' ),. . ZONE %., ZRES URE — _ 1 �f .Ji I�'--� uoL w..v "" �� �/ t j .LL p(• : .. '--.i - ----- --- --- J r� l /*;yam_,• ��\.�'�`y.. :�.: .I i r ', . • ^� I ..�v \� a f.� I. ?' v.,. _ I V .. ,^ P N. �N TY-SERVICES ;� _j Ih /~`s`' i I �"r' I 1 • I '___ • 7,� L r 11. �`� LL_.� L 4 -1-• :I.] ',. -,. ' ' ',- 'ii ' \110. • _ ` arra"° 4, = - _ 1-_-- _- w �?or�.'Lwi-aN°t L r-` _ .^-1 .1y1� -J'. iIsoLL•�cw.v L-••Z i I t�w'a,oa ,,,i 9cn SD" �n 'VIII L l�1:. ,.r.,I. rt, ♦ N . IT f -I - 1. _ _ ��, _ , `: I '\� `l _ YLOf ' } , 1 ITS'•, till ` � }, 'e .o " f ti / 31 � I I ,el I, CASCA PRES•URE ONE • rrF -111 r. _ iv__ vM' h� 1,1� + '1� ■ ( ;I III !; HI t LLL C.SER. 590 PCO,x4C' -� - 1- L, I IJ MENEC-,ON LDpwur'4X1 EON[ 'TAt ,'1-,;-__• � r �7'' I J TAHO ¢sL n t� :_f!.-_-.7._q1-------11... „ ,1 IL �� ! '!L 11\ ''',..:-Lil. 'Fi''''i\s':\\‘''Ill -176; e"cc:‘ \ c�1 , Yom."- Enwr•rK g�,.'.,R,Nu � .`�:.._ ..�'.(�\+i. .`✓ .t - -` l—�l'--�c.ar n�vr'�.""'c�Awc � �\1 ..--FZ \� I I;le e/ j{ __ KI�J' RCSI F— �-.tu r.LTJ - \T-) '\ ', \ >\ . . - .. /1r,,„. ) : ,...2 r. • i .\ ard / /e,,, „\..,..\\,. .., ,,,,„ . .. .,, , 1.... .__., ... , ,, ,,, --____„........ ' mar,..' tip?' . II fil ---------- (;;:--..,...2f,., ,,,_.- ,, 404 ......:1'''\ /„.„,,, 'N, - ... \\:!--,\. '‘...\\ 'Iv q , • .• II •54in ei, / \ / ›.. �1 1 —}— ' ✓� l l- �T �\ � , i -- 4 a EXHIBITB SPECIAL BENEFIT ZONE WATER STORAGE FIILLTOP-DANA AND ENTERPRISE PRESSURE ZONES BENEFIT ZONE: Hilltop-Dana and the Enterprise Pressure Zones as depicted on the attached map. DESCRIPTION OF PROJECT: Construction of 6 MG reservoir adjacent to the existing 3.5 MG reservoir located off Canby Road north of Dana Drive within the Enterprise Pressure Zone. • PURPOSE OF PROJECT: To provide adequate equalizing, emergency, and fire flow storage for the Hilltop-Dana and Enterprise Pressure Zones. Both these zones are currently supplied water from a single 3.5 MG reservoir located off Canby Road. As indicated in the 1982 Master Water Pian, current storage needs are 4.4 MCD. Present storage requirements, therefore, exceed available storage by 900,000 gallons. This storage deficiency is currently being made up by dedicating excess storage frcin our Foothill and main treatment plant reservoirs via our 24-inch crosstown main. In order to reduce our dependence on the crosstown main, the 1982 Master Water Plan recommends the construction of a 6 MG reservoir in 1984-85. Site work, which included the landscaping for the future reservoir, was completed in January 1983. It is currently proposed that the tank will be constructed in 1985. With the construction of the proposed 6 MG reservoir, storage supplies in the Enterprise and hilltop-Dana Pressure Zones should be adequate until the year 2005 based on a five percent growth rate. 5/83 4 4 6931-55 BENEFIT CHARGE WATER STORAGE ENTERPRISE AND HILLTOP-DANA ZONES PROJECT: Construct 6 MG storage reservoir BENEFIT ZONE: Hilltop-Dana and Enterprise Water Pressure Zones ESTIMATED PROJECT COST: $1,125,000(1) ESTIAMTED HES TO BENEFIT FROM IMPROVEMENT: 1. The combined storage for the Enterpirse and Hilltop-Dana Pressure Zones with the construction of the 6.0 MG reservoir will be 9.5 MG. The 9.5 MG uybined storage will provide for a maximum day demand of 21 MGD 2. The maximum day demand measured in 1982 was approximately 8.5 MGD. 3. Therefore, the new 6 MG reservoir will provide adequate storage for 12.5 MGD of additional demand. (21 MGD - 8.5 MGD) = 12.5 MGD 4. HEs benefitting = 12,500,000 gals cry 1627 gal/day/HE = 7683 BENEFIT CHARGE: Project Cost = $1,125,000 HEs Benefitting 7683 = 146.42 ^ $145 Rev 5/83 a Notes: (1) Project cost based on 1982 Master Water Plan prepared by PACE Engineering. (2) From 1977 and 1982 PACE Engineering Master Water Plan: Required storage equalizing storage plus emergency storage Required storage = 0.20 MDD plus 0.25 MDD Required storage = 0.45 MJ)D (3) 1 HE equals 1627 gal/day maximum day usage per 1977 and 1982 Master Water Plan. App Carl Arnes Director of Public Works • Rcv 5/83 • ��_ ... p• +1 }_. 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DESCRIPTION OF PROJECT: Construction of major transmission mains ranging from 12- to 24-inches in diameter and the drilling of five additional. ground water wells in the Enterprise Pressure Zone as outlined in the 1982 Master Water Plan. PURPOSE OF PROJECT: To increase the ground water supply in the Enterprize and Hilltop--Dana Pressure Zones and to provide for its adequate transmission and distribution from new ground water wells to the consumer. In 1977 when the Enterprise area was annexed to the City of Redding, the maximum daily demand was approximately 8 MCD while the effective capacity of the well systems were 4 .1 MGD. By 1981, the effective well capacity had dropped to 3.3 MGD due to declining well production. This supply deficiency is currently being made up by dedicating supplemental supply from our Foothill Pressure Zone via the crosstown main. As indicated in the 1982 Master Water Plan, it is estimated that the maximum daily demand in the Enterprise Pressure Zone will exceed the effective capacity of the existing wells and the supplemental supply capability of the crosstown main in about 1985. To provide for an adequate supply after the supplemental supply from our crosstown main is used up, the 1982 Master Water Plan recommends the drilling of five additional wells in the hnterprise well field. In the plan, it is recommended that the addition of the five new wells be staged over the next 20 years with the first one, Well No. 8, to be drilled in 1983-84 . 5/83 41! III 6931-54 BENEFIT CHARGE WATER SUPPLY AND TRAANSMISSICN ENTERPRISE AND HILLTOP-DANA ZONES PROJECT: Construct transmission mains and provide additional water supply from ground water wells in Enterprise well field BENEFIT ZONE: The Enterprise Water Pressure Zone ESTIMATED HES BENEFITTING: 1. Proposed improvements willincreasethe water supply in the Enterprise Zone by 7.0 MGD 2. HEs benefitting- = 7,000,000 gal/d ) 1627 gal/day/HE = 4302 BENEFIT CHARGE: Project Cost = $1,600,000 HEs benefitting 4302 = 371.92: $370 • Notes: (1) See attached 1980 Master Water Plan report and Tables I and and II. Note: Jan 1981 estimated project costs have been • . escalated by 18.6% to reflect changes in the E.N.F. 20 • Cities Construction Cost Index between Jan 1981 and May 1983. (2) 1 HE equals 1627 gals/day maximum day usage per 1977 and 1982 Master Water Plan. Appro e I: Carl Arness • Director of Public Works • Rev 5/83 1.:7._ • ;. x :.. P rional • . . . It.. //� ! i x alcd /.r r �i --4 \ Const Ring p Engineers ' NGINEERiNG \ incorporated • May 6 , 1980 • 19 . 18 • Mr. Robert Galusha Superintendent of Public Works . City of Redding 760 Parkview Avenue Redding, California 96001 Dear Bob: • Subject: Water System Supply to Cascade and. Enterprise from the Enterprise Wells Pursuant to your request, we have reviewed your February, 1980, memorandum which is a preliminary update of the 1977 Master Water Plan. Your growth projections of five percent per year for the Enterprise and Cascade systems seems reasonable to us . The 1979 Master Sewer Plan indicates a growth of 4 . 5 percent for Cascade and 4 . 9 percent for Enterprise. The 1977 Master Water Plan only assumed two percent for Cascade and four percent for Enterprise . The current projections of five percent require additional supplies be developed about 1984-85 to serve these two areas. We agree with your recommendation to further develop the Enterprise well field to meet these demands. Although there are contingencies in the development of a well system which are not present in development of your main surface supply system, the wells offer distinct advantages of cost, water rights , and also the reliability of a diversi- fied supply system. In the unlikely event that a long-term use or development of the well field was deferred , it would he relatively easy to use the piping system which would be neces- sary near the F3onnyview Bridge area to furnish the required demands from a new water treatment plant on the river . Attached is a revised master plan layout which would allow an enlarged Enterprise well field to supplement the necessary demands into Enterprise and Cascade until the year 2000 . Addi- tional facilities would be needed after that time . The supple- mental demands required to serve Cascade and Enterprise are • 4 . 1 myd and 7 . 0 mgd , respectively. In addition , a standby well would be required. - • • • 1730 SOUTH STNEEI • FIEDD17:G, CA OCCO • W1c) ?4e 0702 • • • Mr. Robert Galusha May 6 , 1980 City of Redding Page 2 19. 18 • • The proposed improvements include five new wells of approxi- mately 2 , 000 gpm each, a large transmission main from the well field into Cascade , and another large transmission main north • from the well field through the Enterprise system. to the existing storage reservoir. Also attached is Table I showing the estimated costs of these .improvements. Because the routes or these pipelines are very . preliminary, the cost estimates are quite approximate. I have not included the cost of the 1E-inch -main that is theoretically required to serve the future Enterprise demands since it is really conceptual . Theoretically, this line would not be required until about 1994 ; and depending on actual . growth and projected growth at that time , it would probably be desirable to increase its size substantially to provide a much longer time until additional strengthening is needed. I think this needs to be looked at more closely in a new master plan update planned for next year. • I have proportioned the costs of the proposed improvements for both the Cascade and Enterprise systems. Because the -Enterprise system does not include the costs of the northerly 18-inch main mentioned above, the costs for Enterprise are incomplete ; but, as I understand it, you really just need Cascade at this time. • • The attached Table II indicates the desired staging of the proposed improvements. • The first improvement would be the pipeline. across Bonnyview . . Bridge which would connect the Enterprise and Cascade systems. By inspection of the 1977 Master Water Plan computer run No. 32 , 1986 MDD, Enterprise system, it appears that this inter- connection would have a flow capability of about 1. 0 mgd. This could vary substantially depending on• the growth and actual • demands in that area ; however, if necessary, by either valving off a lower portion of the southwestern corner of the . Enterprise system, or even better, by installing one or t: o normally closed pressure release valves , a flow of 1 . 0 mgd could be achieved . Please give me a call if you have any further questions. • Very truly yours , • ,arry V,. Kepp,e LGK/jh • Managing Engineer attachments • • 0 • CV II C S. 1 0 0 0 O 00 0 al O 00 0I O O t"' I CD 0 0 al ry .-4 0 ry ry r+ P N .n P • V w r v r.•CA .D [: o r Cm al Cs C1 m N v N v) v 0 .( O U1 r` r1 w C. o N N • C1 V CV vl • 'C 0 0 0 O O 0 0 0 I 0 O 0 UYl N VI al .n 0 I O •0 0 0 .V O a� N O U `n ry rn al .n .D (v C. el .7 CV 0 0 Q )( rt N N Q v 1 - 40 N ` Jti .+ N C1 L v U _+ . 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PURPOSE OF PROJECT: To provide adequate equalizing, emergency, and fire flow storage for the Hill 900 Pressure Zone. The Hill 900 Pressure Zone is currently sup- plied by a single 2 MG prestressed concrete reservoir located on Hill 900 above the water treatment plant. The 1982 Master Water Plan indicates that the existing available storage will be deficient starting in 1983. The 1982 Master Water Plan recommended the construction of a 3 MG reservoir adjacent to the existing concrete storage reservoir. Because of site restrictions, the construction of a 2 MG reservoir is proposed by the. City of Redding. Though the storage deficiency in the Hill 900 Zone is not severe, the construction of this second 2 MG reservoir is considered a critical water system need because there is no alternate supply to feed the present 2 MG Hill 900 reservoir. In case of a major emergency, such as pump failure at our Pump Station No. 2 which supplies Hill 900 reservoir or a major power outage, the construction of the new 2 MG reservoir would also provide additional emergency water supply. With the construction of this new 2 MG reservoir, water storage supplies should be adequate until around the year 2000 based on a five percent growth rate. 5/83 • 6931-56 BENEFIT CHARGE WATER STORAGE HILL 900 ZONE PROJECT: Construct 2.0 MG storage reservoir BENEFIT ZONE: Hill 900 Water Pressure Zone ESTIMATED PROJECT COST: $486,000(1) ESTIMATED HES BENEFITTING: 1. Thecyw 2.0 MG reservoir will provide adequate storage for 5.7 MGD additional maximum day demand. 2. HEs benefitting = 5,700,000 gals/d� ) 1627 gals/day/HE = 3503 • BENEFIT CHARGE: Project Cost = $486,000 HEs benefitting 3503 = 138. 73 $140 Notes: (1) Project cost based on June 1981 cost for construction of Redding Ranchettes 2 MG Reservoir plus 12.5% construction inflation to reflect change in the E.N.R. 20 Cities Cons- truction Cost Index for June 1981 to May 1983. (2) From 1977 and 1982 PACE Engineering Master Water Plan Required storage = equalizing storage plus emergency storage Required storage = 0.20 MDD plus 0. 25 MDD Required storage = 0.45 MDD 1 HE equal ,1627 gal/day maximum day usage per 1977 and 1982 Mas ar Water Plan Appro.c, : /1.?" Carl Arness Director of Public Works Rev 5/83 • t , mr0. '-D'; /7.77 - a..- ,y:- i. - \- -.--',1.. __ti ! , • L ..ani R `•� T RFM�N�,HEIGHTSi /-• I• • • i \ w. , r+" • 1 I PRESSURE ZONE .,2 ' Le,...-A...‘1 s \ ,. ct:, \ .,..."..?,.,100:q...•.•.,•:': I, 1 •::::• „.. „ ,... .,,,. I / , ....- . . ,,.. .„,......____,.....,,,..• . .. 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AS Ce-\\''' /-'-, A • y'' ice~ - mo ` ' I 1 _x__ \ _ . 1 A •, f 6• _-_- .,,, '!'' !.-_ -= , - }-t ' :7. .. .-).. - .•14,imr-n.y.: . _171/ • •• ' -- ''•-.:• ;1-;-- 'I" !' -- „ /----•,-7,‘. If., . i 1-.'. i ‘," ..,‘":.•••••:: . ( '..i .. ''''' • i _. �.� ' • -. FOOTHILL; \\ �,_ .� e . ' `ENTERPRISE >� C I4HILL 9010 PRESSURE ' j `j PREcSUFlE \VV PRESSURE ONE ZONE \ •�' ! ZONE_ R \ , ii I. : . , • .-----. ! • ...,i.,•., • ; , ..:-.f ..-,.._.---. V.— '•••'....:.'-•:•',--. . ‘1,,,,,,,--.....-kl.' __ i -'..,: I,(I,..:,/:. ;, . \ I COMMUNITY .SERVICES . , _ � `�, nOUNDAQY -� iva • /�. I�... ice:"'i• 1 y ..• . \.•::',1�\ )C ! •t r 410 411 f EXHIBITD SPECIAL BENEFIT ZONE WATER SUPPLY BUCKEYE PRESSURE ZONE BENEFIT ZONE: Buckeye Water Pressure Zone as depicted on the attached map. DESCRIPTION OF PROJECT: Construction of Pump Plant No. 4 and related major transmission mains between the new Pump Plant No. 4 and our existing Buckeye Reservoirs. • PURPOSE OF PROJECT: To provide supplemental water supply to the Buckeye Water Pressure Zone. The Buckeye Water Pressure Zone currently receives its water supply from .the Foothill Water Pressure Zone via booster pump station /13 located on North Market Street at Sulphur Creek. In 1981, the maximum day demand in this zone was measured at 3.3 MCD and 3.1 MCD in 1982. The current effective pumping capacity of Pump Plant No. 3 is 3.4 MCD; -by the end of 1983, the effective pumping capacity of this plant will have been utilized. In order to increase supply capacity to the Buckeye Water Pressure Zone , the 1982 Master Water Plan recommended the construction of Pump Plant No. 4 and the construction of approximately five miles of major transmissions mains ranging from 12-, 16-, and 18-inches in diameter between the new Pump Plant No. 4 and the reservoir. These improvements will increase the effective pumping capacity to this zone from 3.4 MGD to 6 MGD. This represents an increase in the water supply of 2.6 MGD and should he sufficient until about 1990 or later depending on the rate of growth in the Buckeye area. In order to increase water supply to this zone after 1990, will require the development of a second water supply source, the Spring Creek supply,. as outlined in the 1982 Master Water Pian. 5/83 . 111 6931-51 BENEFIT CHARGE WATER SUPPLY -AND TRANSMISSION BUCKEYE ZONE PROJECT: Construct Pump Plant No. 4 and related 12-, 16-, and 18-inch transmission mains between Pump Plant No. 4 and our Buckeye Reservoir BENEFIT ZONE: Buckeye Water Pressure Zone PROJECT COST: See attached "Estimated Costs of Supply and Transmission Improvements - Buckeye Zone" Total Estimated Costs $1,328,100 ESTIMATED HES BENEFITTING: 1. Improvements will add 2.6 MGD of water supply to the Buckeye Zone, 2. HEs benefitting = 2,600,000 gal/day = 1598 1627 gal/HE/day* BENEFIT CHARGE: Project Cost = $1,328,100 HEs Benefitting 1598 = 831.10 ^; $830 1 HE equals 162.7 gals/day maximum day usage per 1977 and 1982 PACE Engineering Master Water Plan Appro e //4 Carl Arness Director of Public Works Rev 5/83 ( • � , 410 ESTIMATED COSTS SUPPLY AND TRANSMISSION IMPROVEMENTS BUCKEYE ZONE Estimated Costs* Improvement Jan 1983 $ Construction of Pump, Station No. 4 $ 274,300 Transmission Mains, Pump Station No. 4 to •Reservoir 16" Main, Pt 51-52 (oversizing) 50,700 12" Main, Pt 52-46 (oversizing) 16,000 12" Main, Pt 52-49 (oversizing) 3,200 12" Main, Pt 5-6 67,500 12" Main, Pt 49-50 41,800 12" Main, Pt 45-46 (oversizing) 32,700 16" Main, Pt 1-2 285,100 16" Main, Pt 2-3 216,000 18" Main, Pt 3-4 81, 600 Add Pump Nos. 3 and 4 to Pump Station No. 4 37,800 Total Construction Costs for Pump Station No. 4 and Related Transmission Mains . $1,106,700 Design Engineering and Construction Inspection (10Z Construction Costs) 110,700 Construction Contingencies (10Z Construction Costs) 110,700 TOTAL PROJECT COST $1,328,100 * Estimated costs taken from 1982 PACE Engineering Master Vater Plan costs inflated by 8Z for period from January 1982 to January 1983. 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