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HomeMy WebLinkAbout20070514Reply comments.pdfJOE M. OLMSTEAD, P. Consulting Engineer 11203 E Antler Road Chattaroy W A 99003 May 10, 2007 509-292-2604 j 0 lmstead~windwireless .net C: laj mo 1 IProjectslSRlStudieslIPU C 070229\lPU :?_ transmital:~O229 .doc ~~:: Idaho Public Utility Commission 472 W. Washington Boise, Idaho 83702-5983 ; , Attn: Jean Jewell, The Commission Secretary Subj: Stoneridge Water Company, Case No. SWS-06- Responses to Comments Dear Donovan: The StoneRidge Water Company believes that the staff has appropriately addressed comments from the public. StoneRidge is agreeable to using the meter size as a billing determinate and that all usage should be subject to a usage charge. Stone Ridge will work with Mr. Johnson to come up with options to increase the pressure at his home. Stone Ridge would like to take this opportunity to suggest that a portion of the assumed information that was used to set the rates is not correct. StoneRidge' s responses 1) modifies the calculation of the revenue requirement, 2) corrects some of the assumptions that were made when the rates were calculated, and 3) includes the affects of an additional account that will be utilizing the winter disconnect. An original and seven copies of the responses are provided for the Commission s use. The revenue requirement has not been correctly calculated. The owner s equity that was supplied to complete phases I & II was not included in the revenue requirement. Exhibit 102 correctly identifies the rate base, which is in two parts, $51 254 for general improvements and $52 373 for Phase I & II improvements. The weighted cost of capital shown on Exhibit 105 uses only the first item of the rate base ($51 254) and omits the second item ($52 373). When both items are included the revenue requirement from Rate Base on Exhibit 106 becomes $14 902 rather than the $8 618 shown. The Revenue Requirement calculation then changes from the $132 349. shown to $147 252.36. The test year assumed meter data is not correct as summarized on page 9 of the comments. The Motorcoach development currently has 37 lots served by a 6 inch meter. The four time share units and two auxiliary buildings are served with six 2-inch meters. Licensed in Washington and Idaho IPUC Responses to Comments May 10, 2007 Page 2 of 2 The Motorcoach development 6-inch service meter was installed before the meter size was used as a billing determinate. The Motorcoach development only requires a 2-inch meter to serve the normal usage. The 6 inch meter was installed to pass fire flows. The 6-inch meter will be replaced with a 2-inch service meter for revenue purposes and a bypass valve installed to pass the fire flows. Fire flows are not metered anywhere on the system. A copy of page 9 from the staff s comments has been marked up to show these changes. The Phase I surcharge for the Happy Valley Ranchos was calculated to be $16.83 at the bottom of page 14. The text at the top of page 14 uses a different number as does the recommendations on page 20. A copy of page 14 marked to show discrepancies is included. The staff has recommended that the winter disconnect service be continued. The staff estimated the cost to be $800 based on the previous years disconnects. Staff did not take into account that the irrigation meter would be disconnected for 7 months of the year with an annual loss in revenue of $8, 1 00. As the rates are adjusted, the total loss of revenue due to winter disconnects could exceed $15 000, which is 10% of the total revenue requirement. Attached are the results of two spreadsheets that show the affect of changes to the assumed data. The first spreadsheet summary titled "Check of the IPUC Rate Analysis" uses the proposed staff rates of $18.1 0 base rate and 0.53 $/1000 gallons and the assumed meter sizes shown on page 9 to produce revenue of$132 000 as required on Exhibit 106. The second spreadsheet summary titled "IPUC Rate Analysis with Changed Meter Sizes and Irrigation Winter Discount" has been highlighted to show the altered meter sizes and the irrigation meter being disconnected for the winter months. The modified Revenue Requirement has been set to be $148 700 (equal to the $147 252 as described above plus the $1 500 for the loss of revenue from residential customers during the winter.) The base rate in the second spreadsheet summary has been changed from $18.10 to $32.00 to recover this modified Revenue Requirement. Joe M. Olmstead, PE Consultin Engineer fr1 O Joe M. Olmstead End: 1 original and 7 copies Cc:StoneRidge, Allara wi encl StoneRidge, Blanchard wi encl Janet D. 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S'2- , ~ 2.. c,., ,.., 1-~" ". ,, 1' "1.'111'- ,-, Staff Exhibit No.1 05 Case No. SWS-O6- Staff Comments A . ,-- ,~- , IiSioneridge--WaterCompany ! r--___n ---__------ _n__--__'__~n _- ----- ----------~- ---------~----,-------------------'---------- ICase No. SWS-O6-01 ! ----~-------------'-------:------------;- i Rate Case ------------ 1--- -- JRevenueRe-quirement Calculation -- i ---~ 'L(1~2. ----: Rate Base--------~- ! --- $ 8 618.00' Attachment 105 , ----------~----- 1---- - - -- - T----- --1--- -------- -iAnnual Expenses ------------ ---- $116 072.70 I iAttachment 104 - - 1------ ~==-= i ()epre cjat;o"--~ - =---- n j $ 6 181 00 Attach ment 1 01 =~---=1- -==::::=_=-== I~~ossed-Taxes -=1,478.Below - =- ==-- --.USee Calculatio~ Be!.~tn______--- ---- i- ! - -----------~~-- ------------ t , ---------- l---.._ .._---- ____-l-B ~venue Requiremen!.... _- : $132 --------~--=--~ ~r -- ------ - - n -- ---+ !1Ip. l - =--1=-----=:= - -- ~- - ! Ca leulalion ofT axes --- - n -~ ~J~~_!!".Q0R~~~fn ~---- r $ 8 6'18 i 1- _____n__ -=-:-:- L=:===~=-jLesslnterestExpense 'i $ 210 - i =--- -==T~-C3~~- ~::==:~--=- - ==1 '- 5 408+r- -= .._-----~--=~--- l-~-~--_U=~.JStC!!9xes ~ 7 _ -===~_ ==l 1-:- 411 ~J_ ==-=-------------:= ::====-=--=-== !FederaITaxes(Q;!15% 1$ 750! ~~~-:~~~ ~==-:-: :- =r:-= ~-----~- :==-- -: ;;;~; ;:~: :e 1~~~L= =-=-=~= = ~- =t~= !Federal Taxable 92.4000%i =~~=- =It~~~~al Tax~_ :!. 5% = -~- J.u_--13. !----=----==:=--=-_===-----__ Net After T~ ___----_._..--_ j 78.5400%L____ ---- --- _ _~n -------- ___--- -:-N~~tq Gross M~~.e'ler ---------+_--_ +--.1.?~37% H----~_n____~_--- +------- ~ITax i;i ~)(G~ss-:::;or ~ - ~I=L-~ - ~I ~~~~ =-~ = -r.:.-1(($411 + $750) x 1.273237) i -;$ 1,4781 I--~ ---------,_ J_----- ,---- --------- - n___- ---~---_.., ,-----,,=- Staff Exhibit No. 106 Case No. SWS-O6- Staff Commentsr..,~-,~- consumption, and use patterns as well as a discussion of the tariff changes proposed by both the Company and the Staff follows. System Description Among small water companies, the Stoneridge Water System (SWS) is unique in the wide variety of customers it serves. First, the customers are divided between a rural residential group and a group of resort customers, the Happy Valley Ranchos (HVR) residents and the Stoneridge Resort (SR) customers respectively. These two groups are also separated in location by about one- half mile. As a group, the HVR customers are solely residential, consisting of 101 single-family residential customers. The SR customers consist of: (tJ/D ~ingle family residential customers each served by a ~ inch meters ~ondominium units served by three 1 Yz inch meters reation center for the condomi . served by a 1 Yz inch meter 70 W. 10tor coach units served by 6 i l TO" 2.. time share units served by four inch meters ;;z.. 1 irrigation system for the time share Ul ' se 3 inch meter 1 recreation center for the time share units served by 3 inch meter 1 pro-shop/restaurant commercial customer served by a 1 inch meter 3 commercial customers (resort sales, events & Maintenance), each with a ~ inch meter 1 recreation center for the resort served by a ~ inch meter, and 1 golf course irrigation customer served by a 6-inch meter. The total number a f metered customers i "'~ The system consists of 66 305 feet of 2 inch to 12 inch mains and branches, two operating wells (1,000 gpm and 600 gpm), one above ground 325 000 gallon concrete storage tank, two buried 10 000 gallon each steel storage tanks, four bmied 3 000 gallon each concrete storage tanks a booster pump station, chlorination systems and various valves and controls. Upon inspection, the system appeared to be of sound design, good condition and well maintained. Water Consumption and Use Patterns The key differences in water usage patterns between a residential and a resort community are made evident by the monthly usage patterns of the two residential groups, HVR and SR, and by the relatively large use for golf course irrigation. These differences in water use pattel11s are cause for considering some minor differences in tariff structure, STAFF COMMENTS APRIL 27 , 2007 One ofDEQ's loan requirements is that the debtor must collect 20% of an annual payment for the first five (5) years of the loan, This premium is held in a reserve account and at the end of the loan amortization, will be used to make the last alIDual payment on the loan. The alIDual interest and principle payment on the Phase I loan is $16 818, and the premium payment for reserve for the first five (5) years is $3 364. Staff is recommending that the HVR customers pay a surcharge on the Phase I loan for the first five (5) years in the alllount per month, and then pay a surcharge for years six (6) through nineteen (19) in the amou ~~~~ \ $13.87. If this surcharge is collected in this manner, the Company will be able to cash flow the loan payments to DEQ from the revenues collected from the customers. Schedule of Surchan!e Amount for HVR Customers for Phase I Loan Principle Loan Loan Amount $278 000 Interest Rate Loan Term 20 years Number of Customers 101 Annual AmortIzation Payment $17 002 Annual Payment per Customer $168. Monthly Payment per Customer $14.03 Reserve Premium Total Reserve Requirement $17 002 Tenn for Collection 5 years Annual Reserve Amount 400 Annual Reserve Payment Per Cust.$33. Monthly Reserve Payment per Cust.$2. ,,~~ - Total Monthly Surcharge per Customer ($16.J"j ST AFF C'DMMENTS APRIL 27, 2007 C/ t ~ (. / e rP t l l . !l . # f ' I . t ' / ! - I t . ly " e , ,. e ' 5/ 4 / 2 0 0 7 C:l a j m o 1 l P r o j e c t s l S R I S t u d i e s l l P U C 0 7 0 4 2 7 1 1 P U C T e s t D e t a O 7 0 5 0 3 . xl s CD S S t o n e r i d g e U t i l i t i e s LL C Wa t e r C u s t o m e r s Co n s u m p t i o n - G a l l o n s 20 0 6 20 0 6 20 0 6 20 0 6 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 t= ~ 12 M o n t h Me t e r Sv s JA N . FE B MA R AP R MA Y JU N JU L AU G SE P OC T . NO Y . DE C To t a l s si z e c( ' 8 t 24 0 0 5 / 8 x 3 / 4 24 3 0 5 / 8 x 3 / 4 a 5 / 8 x 3 / 4 14 3 3 7 . 28 6 7 5 28 6 7 5 28 6 7 5 14 3 3 7 . 11 4 7 0 0 co m 25 0 0 0 25 0 0 0 25 0 0 0 25 0 0 0 50 0 0 0 50 0 0 0 50 0 0 0 10 0 0 0 0 50 0 0 0 25 0 0 0 25 0 0 0 50 0 0 0 50 0 0 0 0 co m 50 0 0 50 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 10 0 0 0 20 0 0 0 10 0 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 0 5/ 8 x 3 / 4 co m 50 0 0 50 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 10 0 0 0 20 0 0 0 10 0 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 0 co m 19 9 0 30 4 0 27 6 0 33 6 0 27 0 0 34 6 4 0 31 5 9 0 65 5 4 0 54 9 7 0 38 8 5 0 27 8 0 17 3 0 24 3 9 5 0 5/ 8 x 3 / 4 co m 36 0 0 19 2 0 52 0 12 4 0 29 1 0 0 14 5 0 0 61 6 0 87 3 0 12 2 6 0 70 4 0 44 6 0 72 3 0 96 7 6 0 5/ 8 x 3 / 4 ir r 45 0 0 0 0 0 12 0 0 0 0 0 0 13 5 0 0 0 0 0 13 5 0 0 0 0 0 45 0 0 0 0 0 48 0 0 0 0 0 0 42 0 0 0 48 4 0 0 16 3 0 0 91 0 0 0 57 0 0 0 91 0 0 0 15 4 0 0 0 24 5 0 0 0 25 5 0 0 0 13 1 0 0 0 60 0 0 0 40 0 0 0 12 3 0 7 0 0 44 0 0 0 12 0 0 0 45 0 0 0 62 0 0 0 52 0 0 0 76 0 0 0 10 9 0 0 0 15 2 0 0 0 12 1 0 0 0 98 0 0 0 56 0 0 0 49 0 0 0 87 6 0 0 0 28 0 0 0 33 0 0 0 70 0 0 59 0 0 0 45 0 0 0 65 0 0 0 99 0 0 0 13 7 0 0 0 11 3 0 0 0 89 0 0 0 54 0 0 0 46 0 0 0 77 5 0 0 0 43 0 0 0 49 0 0 0 46 0 0 0 21 0 0 0 60 0 0 0 81 0 0 0 94 0 0 0 15 2 0 0 0 12 5 0 0 0 11 0 0 0 0 68 0 0 0 41 0 0 0 89 0 0 0 0 co m 75 0 0 0 71 0 0 0 50 0 0 0 75 0 0 0 12 8 0 0 0 66 0 0 0 78 0 0 0 93 0 0 0 55 0 0 0 44 0 0 0 41 0 0 0 89 0 0 0 86 5 0 0 0 co m 24 0 0 14 5 0 0 15 5 0 0 21 6 0 0 19 0 0 77 4 0 0 16 3 5 0 0 15 1 4 0 0 34 3 0 0 15 0 0 10 0 0 48 5 0 0 0 I- - Sy S Sv s Sv s Sv s SY S SY S I T O T AL HV R co m ir r 10 9 20 5 10 0 HV R 10 1 09 1 79 0 14 8 77 1 , 70 0 co m 2, 4 5 3 , 34 0 ir r 48 , 00 0 , 00 0 '& / " 11 4 70 0 Al l 40 4 70 , 63 6 63 0 L- - e. - ". . . . 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DE C To t a l s 18 , 18 . 18 . 18 , 18 . 18 , 18 . 18 . 18 . 18 . 18 . 18 . 21 7 . 18 . 18 , 18 . 18 , 18 . 18 . 18 . 18 . 18 . 18 . 18 . 18 . 21 7 . $ 1 , 15 8 , $ 1 , 15 8 . $ 1 15 8 . 4 0 $ 1 , 15 8 . $ 1 16 6 . $ 1 17 3 . $ 1 17 3 . $ 1 , 17 3 , $ 1 16 6 . $ 1 15 8 , $ 1 15 8 . $ 1 15 8 , $1 3 , 96 1 . co m 45 . 4 3 45 . 4 3 45 . 4 3 45 . 4 3 58 . 58 , 58 . 85 . 58 . 6 8 45 . 4 3 45 . 4 3 58 , 65 1 . co m 20 , 20 . 20 . 20 , 23 . 23 . 4 0 23 . 28 , 23 . 20 , 20 . 23 . 4 0 27 0 . co m 75 , 75 . 75 . 75 , 77 . 77 , 77 . 83 , 77 . 75 . 75 . 77 . 7 0 92 1 . co m 19 , 19 , 19 . 19 , 19 , 36 . 4 6 34 . 52 , 47 . 38 , 19 . 19 . 34 6 . co m 20 . 19 . 18 . 18 , 33 . 25 , 21 , 22 . 24 . 21 , 20 . 21 . 26 8 . 4 8 ir r $ 1 , 15 8 . $ 1 , 15 8 . 4 0 $ 1 15 8 . 4 0 $ 1 , 1 5 8 . 4 0 $ 3 , 31 8 . 4 0 $ 6 , 91 8 , $ 7 , 63 8 . $ 7 63 8 . $ 3 , 31 8 . 4 0 $ 1 15 8 . 4 0 $ 1 , 15 8 . $ 1 15 8 . 4 0 36 , 94 1 1 $ 31 1 , 31 5 , 29 8 . 33 7 . 31 9 . 33 7 . 37 1 , 41 9 . 4 5 42 4 . 35 9 , 32 1 . 4 0 31 0 , 12 7 1 $ 31 2 , 29 5 , 31 3 . 4 5 32 2 . 31 7 , 32 9 . 34 7 . 37 0 , 35 3 . 34 1 . 31 9 . 31 5 , 93 9 1 $ 30 4 , 30 7 , 29 3 , 32 0 . 31 3 . 32 4 . 34 2 . 36 2 . 34 9 , 33 6 , 31 8 , 31 3 , 88 6 1 $ 31 2 , 31 5 . 31 3 , 30 0 , 32 1 . 33 2 . 33 9 . 4 2 37 0 . 35 5 , 34 7 . 32 5 , 31 1 , 94 7 co m 1 $ 32 9 , 32 7 , 31 6 . 32 9 , 35 7 . 4 4 32 4 . 33 0 . 33 8 . 31 8 . 31 2 , 31 1 . 33 6 , 93 4 co m 1 $ 29 0 . 29 7 , 29 7 . 30 1 , 28 9 . 29 0 , 33 0 , 37 6 , 36 9 , 30 7 , 29 0 . 29 0 . 73 2 TO T A L SR 10 1 HV R 1 0 1 TS co m ir r MC Al l 2 1 5 Ov e r a g e R a t e Ba s e G a l l o n s Ir r O v e r a g e R a t e HV R S u r $ Jo e M . O l m s t e a d , P E Co n s u l t i n g E n g i n e e r di a 15 / 8 x 3 / 4 0. 4 4 1 5 6 2 5 1 0 , 78 5 5 1 , 76 6 2 5 2 3 , 5 4 , 90 6 2 5 3 7 . 06 5 4 1 2 , 6 2 8 , I I ' l t C Jl l . e l f ~ 28 , 61 3 26 , 75 6 15 , 90 0 10 , 12 4 94 1 13 , 96 2 13 2 29 5 6- ". " , "' ~ " ~ ~ :C f J ~ ( ; /i . 1 t ' . , ~ Pa g e 1 o f 1 P a g e s 50 9 - 29 2 - 26 0 4 jo l m s t e a d ~ w i n d w i r e l e s s , n e t If l ( ( tl l f ' ;' / I f li t y/ ' , IA - " , r l f c l t l t C " " 1" 1 ~ " r - " 1- I " " " , I f ' l ' # " ". " , . , . . ~~ IJ , f C l l r l l " e : / - I' "p . e V. . . . . 5/ 4 / 2 0 0 7 . C: \ a j m o 1 l P r o j e c t s l S R I S t u d i e s l l P U C 0 7 0 4 2 7 1 1 P U C T e s t D a t a O 7 0 5 0 4 _ xls CD S S t o n e r i d g e U t i l i t i e s L L C Wa t e r C u s t o m e r s Co n s u m p t i o n - G a l l o n s 20 0 6 20 0 6 20 0 6 20 0 6 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 20 0 5 ~ ~ 12 M o n t h Me t e r Sy S JA N . FE B MA R AP R MA Y JU N JU L AU G SE P OC T . NO Y . DE C To t a l s si z e c( " 8 1 : 24 3 5/ 8 x 3 / 4 5/ 8 x . J l o ' 14 3 3 7 , 28 6 7 5 28 6 7 5 28 6 7 5 14 3 3 7 . 11 4 7 0 0 t; co m 25 0 0 0 25 0 0 0 25 0 0 0 25 0 0 0 50 0 0 0 50 0 0 0 50 0 0 0 10 0 0 0 0 50 0 0 0 25 0 0 0 25 0 0 0 50 0 0 0 50 0 0 0 0 1: t J C j co m 50 0 0 50 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 10 0 0 0 20 0 0 0 10 0 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 0 5/ 8 x 3 / 4 co m 50 0 0 50 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 10 0 0 0 20 0 0 0 10 0 0 0 50 0 0 50 0 0 10 0 0 0 10 0 0 0 0 co m 19 9 0 30 4 0 27 6 0 33 6 0 27 0 0 34 6 4 0 31 5 9 0 65 5 4 0 54 9 7 0 38 8 5 0 27 8 0 17 3 0 24 3 9 5 0 5/ 8 x 3 / 4 co m 36 0 0 19 2 0 52 0 12 4 0 29 1 0 0 14 5 0 0 61 6 0 87 3 0 12 2 6 0 70 4 0 44 6 0 72 3 0 96 7 6 0 5/ 8 x 3 / 4 ir r 45 0 0 0 0 0 12 0 0 0 0 0 0 13 5 0 0 0 0 0 13 5 0 0 0 0 0 45 0 0 0 0 0 48 0 0 0 0 0 0 .- 1 0 42 0 0 0 48 4 0 0 16 3 0 0 91 0 0 0 57 0 0 0 91 0 0 0 15 4 0 0 0 24 5 0 0 0 25 5 0 0 0 13 1 0 0 0 60 0 0 0 40 0 0 0 12 3 0 7 0 0 44 0 0 0 12 0 0 0 45 0 0 0 62 0 0 0 52 0 0 0 76 0 0 0 10 9 0 0 0 15 2 0 0 0 12 1 0 0 0 98 0 0 0 56 0 0 0 49 0 0 0 87 6 0 0 0 28 0 0 0 33 0 0 0 70 0 0 59 0 0 0 45 0 0 0 65 0 0 0 99 0 0 0 13 7 0 0 0 11 3 0 0 0 89 0 0 0 54 0 0 0 46 0 0 0 77 5 0 0 0 43 0 0 0 49 0 0 0 46 0 0 0 21 0 0 0 60 0 0 0 81 0 0 0 94 0 0 0 15 2 0 0 0 12 5 0 0 0 11 0 0 0 0 68 0 0 0 41 0 0 0 89 0 0 0 0 co m 75 0 0 0 71 0 0 0 50 0 0 0 75 0 0 0 12 8 0 0 0 66 0 0 0 78 0 0 0 93 0 0 0 55 0 0 0 44 0 0 0 41 0 0 0 89 0 0 0 86 5 0 0 0 , 2 . co m 24 0 0 14 5 0 0 15 5 0 0 21 6 0 0 19 0 0 77 4 0 0 16 3 5 0 0 15 1 4 0 0 34 3 0 0 15 0 0 10 0 0 48 5 0 0 0 tA / I- - Sv s Sv s Sv s Sv s Sv s Sy s TO T AL HV R co m ir r 10 9 20 5 10 0 HV R 10 1 09 1 79 0 14 8 77 1 70 0 co m 2, 4 5 3 , 34 0 ir r 48 , 00 0 , 00 0 11 4 , 70 0 Al l 40 4 63 6 , 63 0 Jo e M . 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Ba s e G a l l o n s ga l l o n s 15 / 8 31 4 0. 4 4 1 5 6 2 5 "" ' '" 3 2 . Ir r O v e r a g e R a t e 48 $/1 0 0 0 ga l 78 5 78 $ 5 6 , HV R S u r $ $/ m o 76 6 2 5 00 $ 1 2 8 , 00 .A .A . . 11 $ 2 2 7 . 90 6 2 5 11 . 11 $ 35 5 . 06 5 16 , 00 $ 51 2 . 12 , 28 . 4 4 $ 91 0 , 28 , 64 . 00 $ 2 04 8 . Jo e M , O l m s t e a d , P E Co n s u l t i n g E n g i n e e r Pa g e 1 o f 1 P a g e s 50 9 - 29 2 - 26 0 4 jo l m s t e a d ~ w i n d w i r e l e s s . ne t