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Interlocal Agreement with Mountlake Terrace for Joint Use of Sewage Disposal Facilities-i LLB i ll J S AGREEMENT FOR THE JOINT USE OF SEWAGE DISPOSAL FACILITIES 0L ' BY THE CITIES OF EDMONDS AND MOUNTLAKE TERRACE THIS AGREEMENT, made and executed this day of between the CITY OF EDMONDS, a municipal corporation of the State of Washington, hereinafter referred to as "Edmonds," and the CITY OF MOUNTLAKE TERRACE, a municipal corporation of the State of Washington, hereinafter referred to as "Mountlake," W I T N E S S E T H: WHEREAS, on February 28, 1959, Edmonds and Mountlake did enter into an agreement for the construction and joint use of certain sanitary sewage disposal facilities, including a lift station, force main and trunk sewer to be owned and operated by Mountlake, and a trunk sewer, outfall sewer and sewage treatment plant to be owned and operated by Edmonds; and WHEREAS, the said agreement established, among other things, the apportion— ment of capital costs for which each party,would be responsible; and WHEREAS, under the said agreement Edmonds advanced the amount of approxi— mately $252,700.00 of capital costs for which Mountlake was to be responsible, subject to the agreed intent that said capital costs thereafter would be repaid to Edmonds, together with accrued interest, through a monthly surcharge on Mountlake sanitary sewage delivered to Edmonds; and WHEREAS, the amount of said capital reimbursement surcharge was established as $15.00 per million gallons of sewage delivered by Mountlake to Edmonds, on the assumption that such a surcharge would repay to Edmonds the said capital costs, plus accrued interest, within the term of the revenue bonds issued by Edmonds to finance the said capital costs; and WHEREAS, under conditions actually experienced subsequent to the entering into of said agreement, the said capital reimbursement surcharge has proved entirely insufficient for the timely repayment to Edmonds of the said capital costs for which Mountlake -is responsible; and WHEREAS, on September 15, 1961, Mountlake and Edmonds did enter into an agreement which provided for the construction and joint use of a trunk sewer extending along the westerly side of Lake Ballinger, and established a capital cost surcharge to be paid by Edmonds to Mountlake Terrace as reimbursement for a prorata of Mountlake's cost of construction of its Lake Ballinger lift station and pressure pipeline in 1959; and WHEREAS, the future proportionate use of the said lift station and pressure pipeline will differ from that contemplated in the said agreement of September 15, 1961; and , WHEREAS, the large increases in the number of persons served by the Edmonds treatment plant have resulted in a complete overtaxing of the plant sludge digestion facilities, necessitating construction of new sludge disposal facilities by Edmonds in 1967 at a substantial cost to Edmonds; and WHEREAS, by reason of the large increases in sewage flows which already have occurred and the substantial further increases which are anticipated, construction of an additional plant expansion must be undertaken early in 1971; and WHEREAS, by reason of changes in requirements by State agencies relating to discharge of sanitary wastes into Puget Sound, extension and modification of the Edmonds sewer outfall must be undertaken early in 1971; and WHEREAS, by reason of these and of other unforeseen circumstances and events, the said agreements of February 28, 1959, and of September 15, 1961, no longer are deemed suitable nor adequate to fulfill either the original intent or the present and future needs of the parties thereto; NOW, THEREFORE, and in consideration of the promises and the mutual covenants contained herein, the said parties HEREBY ENTER INTO A NEW AGREEMENT AS FOLLOWS: Section I. Definition of Terms. The following words and phrases as used in this contract shall have the meanings hereinafter set forth in this section: (a) The terms "Joint Sewerage Facilities" or "Joint System" shall mean all of the facilities heretofore constructed or to be constructed and used jointly by Edmonds and Mountlake for transporting, treatment and/or disposal of sanitary sewage wastes. (b) The terms "Joint Sewerage Service Area" or "Joint Service Area" shall mean the area ultimately contemplated to be served through the joint sewerage facilities, as described hereinafter and as indicated on Exhibit A, attached hereto, and by this reference incorporated herein. Cc) The term "Capital Costs" shall include all costs of actual construction, together with costs of acquisition of real property and/or rights -of -way, engineering design and inspection fees, costs of preparation of construction contract documents, legal costs directly related to the acquisition of rights -of -way, and the disposition 2 of claims incident to construction, but shall exclude any bond discount or similar financing costs incurred by the parties. Wherever the term "capital costs" occurs, it shall mean the costs as herein defined less,the pro rata of any applicable State and/or Federal construction grant. (d) The term "Operation and Maintenance Costs" shall mean all costs of labor, power, chemicals, equipment, material, supplies, insurance premiums, water, light, telephone and gas charges, contract services, and other work and materials directly chargeable to operation and maintenance, to which shall be added an amount equal to ten per cent (10%) of all such costs as reimbursement for civic burden and responsi- bility and for that portion of the costs of general city administrative and super- visory services and other indirect miscellaneous costs applicable to such operation and maintenance. (e) The term "Sanitary Sewage" or the term "Sewage" shall mean all water - carried domestic, commercial and industrial wastes normally collected in a sanitary sewerage system. (f) The term "Treatment Plant" or"Sewage Treatment Plant" shall mean the existing sewage treatment plant of the City of Edmonds and any additions thereto and improvements thereof which may be hereafter constructed or installed. (g) The.term "Outfall Sewer" shall mean the existing sewer and submarine pipeline transporting liquid effluent from the Edmonds sewage treatment plant to point of discharge into deep water in Puget Sound, and any additions thereto and improvements thereof which hereafter may be constructed or installed. (h) The abbreviation "MG" shall mean million gallons of sewage quantity. U ) The abbreviation "MGD" shall mean a rate of flow which would result in one million gallons per day of sewage quantity. (j) The term "annual average 24-hour flow" shall mean the total flow of sewage in millions of gallons during a full calendar year in which the joint sewer facilities shall have been used, divided by the number of days in such year; and shall be expressed in MGD. (k) The term "monthly maximum flow" shall mean the total flow of sewage in millions of gallons divided by the total number of days in that month during which the greatest volume of flow occurs, in any given calendar year; and shall be expressed in MGD. (1) The term "weekly maximum flow" shall mean one -seventh of the total flow of sewage in millions of gallons occurring during the week of maximum aggregate flow 3 in any given calendar year, and shall be expressed in MGD; provided, that should this flow result from abnormal and temporary conditions subsequently corrected, the said flow shall be appropriately adjusted. The term "week" herein shall not refer to calendar week, but shall represent the 7-day periods covered by individual 7-day charts of the recording meters at the various meter stations. For proper correlation, the charts in all meter stations shall be changed on the same day, on a regular schedule, at as nearly the same time as practicable. (m) The term "24-hour maximum flow" shall mean the total flow of sewage in millions of gallons during that day in each calendar year in which the greater volume of flow in one day occurs; and shall be expressed in MGD; provided, that should an abnormal flow occur on any one day due to temporary conditions which are subsequently corrected, then such abnormal flow shall not be considered. (n) The term "12-hour maximum flow" shall mean the total flow of sewage in millions of gallons during the 12 consecutive hours of maximum flow occurring during the "24-hour maximum flow," multiplied by two to be expressed in MGD. (o) The term "I -hour maximum flow" shall mean the total flow of sewage in millions of gallons during the one hour of maximum flow occurring during the 11I2-hour maximum flow," multiplied by 24 to be expressed in MGD. (p) The term "customer" shall mean a "single family residence" and/or an "equivalent customer," defined as follows: (1) The term "single family residence" shall mean one structure, all connected and under the same roof, located on a lot or tract of real property having a separate and individual property description, with no other structure used for human occupancy located on that tract or lot, and which structure is used as a single family dwelling. (2) The term "equivalent customer" shall apply to all users other than "single family residences" which are served into the joint sewerage system. The number of "equivalent customer" units assigned to any user (such as apartment houses, motels, schools, hospitals, nursing homes, and other public and/or commercial establishments) shall in principle be the ratio of (a) monthly volume of waste water received from said user to (b) the average volume of waste water received from a typical single family residence. To serve as a practicable basis for computing the number of "equivalent customer" units served into the joint system, a list of types of users and the corresponding "equivalent customer" ratings is attached hereto as Appendix B. 4 Section 2. Nomenclature and Description of Units of Joint Sewerage Facilities. The various elements of the joint system shall be designated as follows: Unit 7A - The existing 24-inch diameter trunk sewer (Ballinger Trunk) constructed jointly by Edmonds and Mountlake in 1962 pursuant to the joint use agree- ment dated September 15, 1961. Unit 8 - The existing sewage lift station constructed by Mountlake at the southerly end of Lake Ballinger in 1959, and presently operated by Mountlake. Unit-9 - The existing 18-inch diameter pressure pipeline constructed by Mountlake in 1959 along 244th Street S.W. from the said lift station (Unit 8) to its point of discharge into a gravity trunk sewer (Unit 10) at Highway 99. Unit 10 - The existing gravity trunk sewer constructed by Mountlake in 1959 along Edmonds Way from Highway 99 to 98th Avenue West in Edmonds, the most southerly 1,115 lineal feet thereof being 30-inch diameter pipe and the remainder being of 24-inch diameter pipe. Unit II - The existing 24-inch and 30-inch gravity trunk sewer constructed by Edmonds in 1959 from the end of Unit 10 at 98th Avenue West along Edmonds Way and Fifth Avenue in the City of Edmonds to Elm Street, thence westerly on Elm Street and northerly to existing treatment plant of the City of Edmonds at Second Avenue and Dayton Street. Unit 12 - The original sewage treatment plant at Second Avenue and Dayton Street in Edmonds, as it existed on February 28, 1959. Unit 12A - The existing 36-inch diameter sewer outfall extending a distance of approximately 1,800 lineal feet from the Edmonds sewage treatment plant into deep salt water, and constructed by Edmonds in 1959. Unit 12B - The modifications and additions to the original Edmonds sewage treatment plant (Unit 12) as constructed by Edmonds in 1959 to expand the original plant capacity for service to Mountlake under the joint use agreement of February 28, 1959. Unit 12C - The modifications and additions to the Edmonds sewage treatment plant as constructed by Edmonds in 1967 for conversion from sludge digestion to a sludge thickening and incineration process for sewage sludge disposal. Unit 12D - The additions to the Edmonds sewage treatment plant as scheduled for construction in 1971 to increase plant capacity to meet present and future needs. Unit 12E - The extension and modification of the existing 36-inch diameter sewer out -fall as scheduled for construction in 1971, in compliance with changes in 5 requirements by State agencies. Meter Stations A, B, C, D & E. - The existing metering stations which serve to measure and record sewage flows into Units 8, 10 and 7A, situated as indicated on the Service Area Map comprising Appendix A. Section 3. Ownership and Operating Resaonsibilily for Individual Units of the Joint_System. The ownership and operational responsibility of each party for individual units of the joint sewerage system shall be as follows: Unit 7A shall continue to be owned and operated by Edmonds. Units 8 and 9 shall continue to be owned, operated and maintained by Mountlake. Any expansions or additions thereto shall be constructed, owned, operated and maintained by Mountlake. Unit 10, heretofore constructed, owned and operated by Mountlake, shall be transferred to jurisdiction, operation and maintenance by Edmonds, effective on the date of this agreement. Unit II shall continue to be owned, operated and maintained by Edmonds. Units 12, 12A, 12B and 12C shall continue to be owned, operated and maintained by Edmonds. Units 12D and 12E shall be constructed by Edmonds and thereafter shall be owned, operated and maintained by Edmonds. Mountlake. Meter Stations A, B, D and E shall be owned, operated and maintained by Meter Station C shall be transferred to ownership by Edmonds, but shall continue to be operated and maintained by Mountlake. Section 4. Reapportionment of Capital Costs of Individual Units of Joint System. Effective January I, 1971, a reapportionment of the capital cost of each unit of the joint sewerage system, plus applicable accrued interest, shall be made between Edmonds and Mountlake in direct proportion to the percentages of the total capacity of each said unit which are utilized by each party. The method of deter- mining the percentages of the total capacity of each unit deemed to be utilized by each party under this Section shall be as follows: a. For Units 7A, 8, 9, 12A and 12E, the aforesaid percentages of capacity use shall be equivalent to the ratios that the sewage flows of each party bear to the total sewage flows in each unit. For purposes of this section the term "sewage flow" shall mean "monthly maximum flow," as defined in preceding Section (1). !: b. For Units 10 and II, by reason of a lack of appropriate metering of related sewage flows therein, the applicable percentages of capacity use shall be deemed as proportionate to the number of customers of each party served by this trunk sewer, calculated as set forth hereinafter in Appendix D. c. For Units 12, 12B, 12C and 12D, the aforesaid percentages of capacity use shall be deemed equivalent to the combined weighted ratios of the sewage flows and the number of customers of each party served by the Edmonds treatment plant, calculated from the following formula: P = (0.75) (q/Q) + (0.25) (n/N) in which: P = Percentage of capacity use of plant by said party. q = Monthly maximum sewage flow of said party to plant. Q = Monthly maximum total sewage flow to plant. n = Number of customers of said party served by plant. N = Total number of customers served by plant. The capital costs which are to be reapportioned in accordance with this Section shall be as set forth in Appendix C of this agreement. The monthly maximum flows to be utilized in calculation of the aforesaid percentages of capacity use shall be as set forth in Appendix D. The numbers of customers to be utilized in calculation of the aforesaid percentages of capacity use shall be as set forth in Appendix E. The resultant reapportionment of capital costs shall be as computed in Appendix F. The said monthly maximum flows, numbers of customers served, and the reapportionment of capital costs shall be reviewed periodically, as provided for in a subsequent section of the agreement. Section 5. Determination of Mountlake's Reimbursable Cost Balance for Unit 7A. The formula set forth in Section 6 of the joint agreement of September 5, 1961, for prorating of the cost of the Ballinger Trunk Sewer (Unit 7A) is hereby abrogated; and in lieu thereof Mountlake shall become responsible for a reimbursable cost balance for Unit 7A computed as (a) that proportion of the original capital cost of Unit 7A corres- ponding to the ratio which Mountlake's sewage flow in Unit 7A bears to the total sewage flow in Unit 7A, less (b) that portion of the original capital cost of said Unit 7A heretofore paid to Edmonds by Mountlake under the terms of the joint agreement of September 15, 1961, computed as twenty-five per cent (25%) of the said original capital cost, plus (c) applicable interest on said capital cost balance from January I, 1962, to December 31; 1970. The determination of Mountlake's reimbursable capital cost balance in Unit 7A shall be as set forth in Appendix I. 7 Section 6. Determination of Reimbursable Capital Cost Balances for Units 8, 9, 12, 12A and 12B. A compilation shall be made of capital reimbursement payments made by Mountlake to Edmonds and by Edmonds to Mountlake, to December 31, 1970, under the terms of prior joint sewerage agreements, as follows: a. Payments by Mountlake to Edmonds pursuant to the joint agreement -of February 28, 1959; (1) Subsection 6(c) . . . . . . . . . . . . . . $ 9.25/MG of Sewage (2) Section 7 . . . . . . . . . . . . . . . . . r 5.75/MG of Sewage $15.00/MG of Sewage b. Payments by Edmonds to Mountlake under the joint agreement of September 15, 1961, consisting of $2,000.00 per annum. These said payments then shall be applied to the reapportioned capital costs, with a determination made as to which portions of the said payments shall constitute payments upon principal, and which shall constitute payments of interest on the declining principal balance. The reimbursable capital cost balance owed by each party as of December 31, 1970, then shall be computed from the reapportioned capital costs, plus accrued interest, less applicable payments made. The determination of Edmonds' reimbursable balance for Units 8 and 9 shall be as set forth in Appendix G. The determination of Mountlake's reimbursable capital balance for Units 12, 12A and 12B shall be as set forth in Appendix H. Section 7. Determination of Edmonds' Reimbursable Capital Cost Balance for Unit 10. The formula set forth in subsection 13(a) of the joint agreement of February 28, 1959, for sharing by Edmonds of capital costs of Unit 10 trunk sewer is hereby abrogated; and in lieu thereof Edmonds shall become responsible for a reimbursable capital cost balance therein, computed as a cost apportionment proportional to the number of customers of each party served through Unit 10, as set forth in Appendix F, plus accrued interest thereon at the effective interest rate, from the initial financ- ing date to December 31, 1970. The determination of Edmonds' reimbursable capital cost balance in Unit-10 shall be as set forth in Appendix T. Section 8. Determination of Mountlake's Reimbursable Capital Cost Balance for Unit II. The formula set forth in subsection 13(b) of the joint agreement of February 28, 1959, for capital cost reimbursement by Mountlake for Unit II trunk sewer when 24-hour maximum flows from Mountlake exceed 3 MGD (which have occurred each year L since the winter of 1965-66) is hereby abrogated; and in lieu thereof Mountlake shall become responsible for a reimbursable capital cost balance for Unit 11 computed as (a) an apportionment of the original capital cost of Unit II in pro- portion to the number of Mountlake customers served through Unit 11, less (b) that portion of cost of construction of Unit 11 previously paid to Edmonds by Mountlake, plus (c) accrued interest on the difference of (a) - (b) at the effective interest rate of the applicable revenue bonds, from the initial financing date to December 31, 1970. The determination of Mountlake's reimbursable capital cost balance in Unit II shall be as set forth in Appendix I. Section 9. Establishment of Single Capital Cost Reimbursement Surcharge to be Paid to Edmonds by Mountlake. Effective January I, 1971, the parties hereto shall terminate payments of the following: a. Capital reimbursement surcharge of $15.00 per MG of sewage, required to be paid to Edmonds by Mountlake under the joint sewerage agreement of February 28, 1959. b. The capital reimbursement payment of $2,000.00 per year required to be paid to Mountlake by Edmonds under the joint sewerage agreement of September 15, 1961. In lieu of the said discontinued surcharges and/or payments, Mountlake shall make to Edmonds monthly capital reimbursement payments equal to no less than one - twelfth of that annual sum which is deemed sufficient to amortize within a period of twenty years from January I, 1971, the net balance of capital costs owed to Edmonds on December 31, 1970, plus applicable interest on the declining balance thereof until paid in full. This annual sum shall be as calculated in Appendix K. The aforesaid monthly capital cost payments shall be made coincident with original payments of operation and maintenance costs, as provided for hereinafter. Section 10. Civic Burden Surcharge. Edmonds' acceptance of sanitary sewage wastes from Mountlake for treatment and disposal constitutes a continuing serious responsibility and a civic burden not adequately compensated by Mountlake's payments of its prorata share of operation and maintenance costs as provided for herein. 9 Elements of such civic burden include problems of offensive odors originating from sewage transported from Mountlake, a degradation of the receiving waters of Puget Sound contiguous to the Edmonds waterfront, aggravation of pollution and/or nuisances resulting from unavoidable plant malfunctions, sewage bypassing and overflows. In consideration thereof, Mountlake heretofore has paid to Edmonds a related monthly surcharge equal to $5.00 per MG of sewage delivered to Edmonds. However, during the period since inception of joint sewerage system operations, Edmonds has developed extensive sewerage facilities connecting into the Ballinger Lift Station (Unit 8); and the related service requirements likewise constitutes a continuing responsibility and civic burden to Mountlake in the following respects: a. Hazards of pollution of Lake Ballinger in event of mechanical and/or electrical failure in the pumping plant. b. Problems of station odors offensive to nearby residents. c. A very exacting responsibility for maintenance and operation of Meter Stations A, B, C, D and E, the compilation of flow records and calculation of monthly costs applicable to each party. The aforesaid civic burden aspects of the two parties are partially off— setting. Further, the factor of ten per cent (10%) added to actual costs in computing "Operation and Maintenance Costs", pursuant to Section I(d) herein, may be reasonably expected to derive revenues in excess of applicable unreimbursed indirect costs for which the said factor was established; and said excess therefore may be deemed as a Civic Burden reimbursement, which is reasonably and equitably proportioned between the parties under the agreed formula for computing and payment of Operation and Maintenance Costs. It is therefore agreed that the monthly payment of $5.00 per MG of sewage heretofore made by Mountlake to Edmonds as a "Civic Burden" surcharge therefore shall be discontinued as of December 31, 1970. Section II. Payment of Operation and Maintenance Costs_ Each operating entity shall make payments of all operation and maintenance costs of units for which it has operating responsibility, and reimbursement shall be made for certain portions of such costs in accordance with the following provisions of this subsection: a. By February 15 of each year commencing in 1971, Mountlake shall prepare and furnish to Edmonds the following: (I) A tabulation of all flows through Meter Stations A, B, C, D, and E IN during the preceding calendar year, by weeks, with a summary of the total flows for which each party is responsible. (2) A summary of the actual operating and maintenance costs incurred during the preceding calendar year for Units 8 and 9 and for Meter Stations A, B, C, D and E, including an amount equal to ten per cent (10%) thereof, as provided for in foregoing Section I(d) of this agreement. (3) A calculation of the average cost per MG calculated by dividing the said total operating and maintenance costs by the total million gallons of sewage flow through Units 8 and 9 for the said preceding calendar year. (4) A calculation of Edmonds' prorata of the said operating and maintenance costs for the preceding calendar year, which shall be in direct propor- tion to the ratio that Edmonds' aggregate flow bears to the total aggregate flow, through Units 8 and 9, during the said calendar year. (5) A calculation of the difference between (1) Edmonds' said prorata of operating and maintenance costs and (2) the aggregate of monthly payments there- tofore made (or credits allowed to Mountlake therefor) by Edmonds for the said preceding calendar year. (6) A summary of the number of sewer customers of Mountlake (including Ronald Sewer District) as of December 31 of the preceding calendar year, segregated by the Meter Stations through which they are served. b. By March I of each year Edmonds shall prepare and furnish to Mountlake the following: (1) A summary of the total sewage flows through the treatment plant (Units 12, 12B, 12C, 12D), by weeks, comprised of the same 7-day periods covered by individual 7-day charts from Meter Stations A, B, C, D.and E. (2) A summary of the actual operating and maintenance costs incurred during the preceding calendar year for those units of the joint sewerage system under its jurisdiction, including an amount equal to ten per cent (10%) thereof, as provided for in foregoing Section I(d) of this agreement, and segregated as follows: (a) Unit 7A (Ballinger Trunk) (b) Unit 10 (East Edmonds Way Trunk) (c) Unit II (West Edmonds Way Trunk) (d) Units 12-12E, Inclusive (Treatment plant and outfall) (3) A summary of the number of sewer customers of Edmonds (and Olympic View Water District) as of December 31 of the preceding calendar year, segregated by i the individual units of the joint sewerage system through which they are served, as listed in subsection (a) preceding. (4) A calculation of Mountlake's prorata of the said operating and maintenance costs for the preceding calendar year, which (a) for Units 10 and II shall be in direct proportion to the ratio that the total number of customers of Mountlake (including Ronald Sewer District) bears to the total number of customers served through each of the said units, and (b) for Units 12 through 12E, inclusive, and for Unit 7A, shall be in direct proportion, respectively, to the ratio that Mountlake's aggregate flows (including flow from Ronald Sewer District) bear to the total aggregate flows through the said units during the preceding calendar year. (5) A calculation of the difference between (a) Mountlake's prorata of the said operating and maintenance costs and (b) the aggregate of monthly payments theretofore made Cor applicable credits allowed) for the preceding calendar year. (6) A billing (or a credit statement, if overpayment has been made) to Mountlake for the net balance of operating and maintenance costs owed for the preceding calendar year. c. Calibration of all sewer system flow meters prior to month of maximum flow, furnishing of copies of monthly meter flow charts and joint reading monthly of system meters shall be accomplished by engineering and/or maintenance and operation personnel of each municipality to facilitate calculation and checking of prorata costs. d. Commencing in March of each year, and continuing until the following March, each party shall make monthly payments to the other, as reimbursement of oper- ation and maintenance expenses, in an amount equal to one -twelfth (1/12) of its com- puted prorata of the other party's operation and maintenance costs applicable to the joint system, for the year last ended. If mutually desired, monthly billings may be exchanged, and monthly pay- ments made only by the party owing the greater amount, with said payments to be in amount equal to the difference between the two said billings. Billings are to be submitted on or about the first day of each month, and shall be payable within three weeks thereafter. Section II -A. Additional Maintenance and Operational Cost Payments and Sewage Flow Adjustments. The City of Mountlake Terrace and the Ronald Sewer District agree to provide sewer service to the Edmonds residents (II) on the south side of 12 Lake Ballinger and to the Olympic View Water District customers (14) in the vicinity of 90th Avenue West and 89th Place West, north of 244th Street S.W. based upon the following considerations: (a) The City of Edmonds shall reimburse Mountlake Terrace at the rate of $1.00 per month per customer for the eleven Lake Ballinger customers. (b) Sewage flows from the eleven Lake Ballinger residents shall be deducted from the total Mountlake Terrace flows involving the proration of capital improvements costs,and the flows from the fourteen Olympic View Water District residents shall be deducted from the Mountlake Terrace and Ronald Sewer District sewage flows involving the proration of maintenance, operation and capital improve- ment costs. Section 12. Updating of Appendices Following Construction of Unit 12D. The parties hereto do recognize that, for the intent of this agreement to be properly and fairly fulfilled, the various appendices hereinafter listed and attached as an integral part of this agreement must from time to time be carefully reviewed, updated and reevaluated to accurately reflect pertinent changes in significant basic data relating to this agreement, such as changes in numbers of customers and/or in magnitudes of metered sewage flows which, if taken into account, would appreciably alter the "percentages of capacity use" initially established for computation of 12-A "reapportionment of capital costs by units" (Appendix F), reimbursable capital cost balances of all units (Appendices G, H, L and J), and Mountlake's monthly payment for capital cost reimbursement to Edmonds (Appendix K). The parties further recognize that the accuracy of the initial determinations of "percentages of capacity use" on the effective date of this agreement are necessarily limited by the following deficiencies in flow data: a. The total maximum monthly flow to the Edmonds treatment plant cannot now be reliably measured, by reason that present peak flows exceed the hydraulic capacity of the plant and its flow metering devices. Flow measurements necessary for accurate determination of "percentages of capacity use" in the treatment plant, as defined herein, must be deferred until after construction of the 1971 plant expan- sion (Unit 12D), hereinbefore described. b. The latest records of "maximum monthly flow" measurements at Meter Stations D and E, taken during the 1969-70 winter months, are not deemed fairly representative of "percentages of capacity use," by reason that (1) such measurements did not fully reflect the sewage loading from Olympic View Water District customers, who were still in the process of being initially connected, and (2) such measurements included substantial overflows into Mountlake's sewers, from a major lift station operated by City of Lynnwood, which station shortly is to be modified with a view to eliminating such overflow. The parties therefore concur in and accept the initial computations as set forth in the various applicable appendices for the basic purpose of determining the amount of Mountlake's monthly payments for capital cost reimbursement to Edmonds, until such time that the flow data necessary for a proper and accurate determination of percentages of capacity use can be secured. It is agreed that such data shall be compiled by Edmonds promptly following the first December -January winter season during which the new treatment plant metering facilities are in operation. At such time, Edmonds shall appropriately update and amend the various appendices as follows: Appendix C - revise the capital cost figures for Units 12D and 12E (and the resultant cost totals) to reflect the actual costs of these units, in lieu of the estimated costs initially shown. Appendices D through K, inclusive - revise the figures therein to accu- rately reflect the updated cost data and sewage flow data. Updating and amending of the said Appendices shall be the responsibility of Edmonds, and may be accomplished by either (1) the Edmonds City Engineer in collabora- tion with the Mountlake City Engineer, or (2) through the employment of a qualified 13 consultant acceptable to both parties. Costs thereof shall be shared between Edmonds and Mountlake in the same proportion as the ratios of their respective total sewage flows to the Edmonds plant. Section 13. Periodic Review and Updating of Appendices. Following the initial updating and amendment of the appendices to this agreement, they thereafter shall be reviewed no less frequently than once in each five years, to determine whether or not changes which may have occurred in numbers of customers and/or sewage flows of either party warrant an adjustment in Mountlake's reimbursable capital cost balance and the monthly payments made thereon. An interim review shall be made at the request of either party at any time that an imbalance of 5 per cent or greater in the last preceding capital cost apportionment may be deemed to exist as a result of additional capital expenditures or in changes in capacity -use of joint facilities by either party. Reviews may be made at any other time when mutually agreed upon by both parties. The costs of said periodic, interim and/or mutually agreed upon reviews shall be shared in the same manner as set forth for the initial updating and amendment. The Appendices shall be reviewed and updated at any time upon submission of written request by either party. However; in such instance that such review does not constitute a periodic or interim review as provided for in the preceding paragraph, and the need therefor is not concurred in by the other party, then the costs of the said review are to be borne by the party initiating the request. Section 14. Construction of Required Additional Joint Facilities. In the event that additions or improvements to any unit of the joint facilities becomes necessary for the continued satisfactory functioning of the joint system, whether as a result of increased sewage loading, upgrading by State Agencies of standards of sewage waste treatment and disposal, or similar reasons, the related costs and responsibilities relating thereto shall be equitably borne by both parties in the manner set forth following: a. The party having jurisdiction, under the terms of this agreement, of the joint system unit or units which require the said capital improvements shall be responsible for the planning, financing and construction of the said improvements. b. The other party thereupon shall become responsible for a fair prorata of the resultant actual increase in capital cost, based upon the said other party's "percentage of capacity use"in the expanded or improved facility, in the same manner as herein applied to the pending 1971 construction of Units 12D and 12E. C. In this event, Appendices C through K, inclusive, shall be amended IA to reflect properly the resulting changes in prorata capital cost accounts, and in the amount of the monthly payments made by Mountlake for capital cost reimburse- ment to Edmonds. Section 15. Termination of Capital Cost Reimbursement Payments by Mountlake. At such future time that Mountlake's reimbursable capital cost balance has been completely repaid, the monthly capital cost reimbursement payments stipulated herein shall be terminated. If thereafter a reimbursable cost balance becomes owed by either party, as a result of applicable capital cost expenditures by the other, or from changes in percentages of capacity use, a fair and equitable schedule of capital cost reimbursement payments shall be reestablished by negotiation between the two parties, in conformity with the basic principles and philosophy of this agreement. Section 16. Construction and Operational Standards. In their common interest, each party shall observe the highest practicable standards and practices in the cons- truction, operation and maintenance of sewerage facilities, with a view to the following: a. Minimizing entry into the sewerage system of ground water and/or surface water. b. Maintaining a favorable character and quality of sewage, with elimin- ation of septicity and objectionable odors, entry of petroleum wastes or other chemicals and/or wastes detrimental to sewer lines, pumping stations, sewage treat- ment plant and the final receiving waters in Puget Sound. c. Maintaining an efficient and economical utility operation, while achieving optimum pollution and environmental control. Section 17. Approved Sewerage Service Areas. By this agreement Edmonds hereby recognizes Mountlake's right to deliver to Edmonds through the joint sewerage system any sanitary sewage of acceptable quality collected from (a) any part of its incorporated area, including possible future annexations northerly to a common boundary with the City of Lynnwood and/or easterly to a common boundary with the City of Brier, (b) the present area served within the Ronald Sewer District, including the Holyrood Cemetery property as used for cemetery purposes only, and/or (c) any other areas or agencies which have been heretofore or may be hereafter mutually agreed upon; and both parties agree that all such areas shall be considered 15 a part of Mountlake for purposes of this contract. Mountlake similarly recognizes Edmonds' right to provide, through the joint sewerage system, sanitary sewer service to (a) any part of its incorporated area, including future annexations, which is logically tributary to the Edmonds' sewage treatment plant, (b) presently unincor- porated additional areas lying within the boundaries of Olympic View Water District, (c) presently unincorporated additional areas lying within the boundaries of Alderwood Water District southerly of 208th Street S.W. and westerly of the City limits of Mountlake, and/or (d) any other areas or agencies which have been hereto- fore or may be hereafter mutually agreed upon; and both parties agree that all such areas shall be considered a part of Edmonds for purposes of this contract. The parties further agree that (a) Edmonds will not withhold approval for Mountlake to provide sewerage service to limited areas within the southerly portion of the City of Lynnwood and/or the westerly portion of the City of Brier, and (b) Mountlake will not withhold approval for Edmonds to provide sewerage service to limited incidental areas within the Town of Woodway and/or the northwesterly portion of Ronald Sewer District, where provision of such service by Mountlake and/or Edmonds is in the public good, and obviates need for construction of costly alternative or duplicate facilities, and provided that the aggregate number of customers to be served within the said incidental areas by either party does not exceed seven hundred (700). Section 18. Books and Accounts. Each party shall keep full and complete books of accounts showing the operation and maintenance costs incurred in connection with the joint facilities under its jurisdiction, and the portion thereof applicable to each of the units operated and maintained by said party. The cost of keeping said books shall be considered to be included in the 10% allowance set forth in Section I(d). Either party may at any time request an audit of the books of the other party showing the expenses of maintenance and operation; and the cost of such audit shall be borne by the party initiating the request. Section 19. Insurance and Liability for Damages. Edmonds and Mountlake each shall maintain insurance on the respective project facilities owned and operated by each, in an amount sufficient to enable the replacement or restoration of any such facilities damaged as a result of casualties normally insured against by sewer utilities operated in a reasonable and prudent manner. Each of such parties shall lime also maintain public liability insurance with bodily injury limitations of not less than $100,000.00 per person and $300,000.00 per accident, and property damage limitations of not less than $10,000.00 per claim and $20,000.00 per accident. The cost of such insurance shall be considered a part of the cost of operation and main- tenance of the respective facilities insured. Any liability incurred by either party as a result of operation of that portion of the joint system owned and operated by them shall be the joint liability and obligation of Edmonds and Mountlake, with the cost thereof to be shared in the same proportion as the operation and maintenance costs for the said portion of the joint system. Section 20. Notice. Whenever in this agreement notice is required to be given, the same shall be given by registered mail addressed to the party at the following addresses: City of Edmonds Civic Center Edmonds, Washington 98020 City of Mountlake Terrace Civic Center Mountlake Terrace, Washington 98043 unless a different address shall be hereafter designated in writing by either of such parties. The date of giving such notice shall be deemed to be the date of mailing thereof. Billings for and payments of operation and maintenance costs may be made by regular mail. Section 21. Execution of Documents and Adoption of Resolutions and Ordinances. Each party agrees that it will execute any and all instruments, documents and resolu- tions or ordinances necessary to give effect to the terms of this contract. Section 22. Effective Date. The effective date of this agreement shall be retroactive to January I, 1971, notwithstanding that actual signing thereof, and/or the adoption of supporting resolutions and ordinances may take place at some later date. Section 23. Term. This contract shall be in full force and effect until February 28, 1999. Section 24. Assignment. Neither of the parties hereto shall have the right 17 to assign this agreement or any of its rights and obligations hereunder, nor to terminate its obligations hereunder by dissolution or otherwise, without first securing the written consent of the other party, and this agreement shall be binding upon and inure to the benefit of the respective successors and assigns of the parties hereto. Section 25. Waiver. No waiver by either party of any term or condition of this agreement shall be deemed or construed as a waiver of any other term or condition, nor shall a waiver of any breach be deemed to constitute a waiver of any subsequent breach, whether of the same or a different provision of this agreement. Section 26. Remedies. In addition to the remedies provided by law, \this contract shall be specifically enforceable by either party. Section 27. Entirety. This agreement merges and supersedes all prior negotiations, representations and agreements between the parties hereto relating to the subject matter hereof, and constitutes the entire contract between Edmonds and Mountlake concerning the disposal of sewage by Mountlake and the acceptance of such sewage by Edmonds for disposal and treatment. Section 28. Arbitration Clause. In the event that any dispute shall arise as to the -meaning of any of the provisions of this agreement, or to the proper application thereof, and provided such dispute connot be mutually resolved, then said dispute shall be submitted to a board of three arbitrators, one of whom shall be selected by Edmonds and one by Mountlake, and the third selected jointly by the first two; and the parties hereto agree that any decision of the said board of arbitrators shall be binding upon both parties hereto, and the said parties shall abide by the decision of the said board. IN WITNESS WHEREOF, the parties hereto have executed this agreement as of the day and year first above written. ATTEST: ,fir City Cleyk ATTEST: City Clerk CITY OF EDMONDS BY Mayor CITY OF MOUNTLAKE TERRACE By:,� Mayor 12/14/70 AGREEMENT FOR THE JOINT USE OF SEWAGE DISPOSAL FACILITIES BY THE CITIES OF EDMONDS AND MOUNTLAKE TERRACE L I S T O F A P P E N D I C I E S Appendix No. Description A Map of Joint Sewerage System Service Area B Tabulation of "Equivalent Customer" Ratings C Computation of Capital Costs by Units of Joint Sewerage System D Determination of Percentages of Capacity Use of Units of Joint Sewerage System E-1 Tabulation of Acreages and Customers Served by Units of Joint Sewerage System E-2 Tabulation of Numbers and Ratios of Customers Served by Units of Joint Sewerage System F Reapportionment of Capital Costs by Units of Joint Sewerage System G Summary of Capital Cost Payments by Edmonds for Use of Units 8 and 9 H Summary of Capital Cost Payments by Mountlake for Use of Units 12, 12A and 12B I Determination of Reimbursable Capital Cost Balances for all Units of Joint Sewerage System to December 31, 1970 J Summary of Reimbursable Capital Cost Balances on December 31, 1970, for all Units of Joint Sewerage System K Determination of Annual Payment by Mountlake for Capital Cost Reimbursement to Edmonds 12/7/70 APPENDIX B TABULATION OF "EQUIVALENT CUSTOMER" RATINGS Type of Establishment I. Single Family Residence 2. Multiple Family Residence, Duplex, Apartment, Trailer Court 3. Hotel, Motel 4. Schools a. Elementary b. Junior High School c. Senior High School 5. Commercial a. Small shop, store or business establishment b. Supermarket (markets over 5,000 sq. ft.) c. Restaurant d. Tavern e. Laundromat f. Professional Office g. Bowling Alley (exclusive of restaurant) h. Hospital, Nursing Home 6. Churches, Service Organizations, Meeting Halls "Equivalent Customer" Units 1.0 2.0/first two units + 0.7/each additional unit 1.0 + 0.4/rental unit 1.0/30 students (Min. 4.0) 1.0/20 students (Min. 5.0) 1.0/15 students (Min. 6.0) fus 4.0 3.0 + 1.0/each 20 seats over 40 16KI] 0.7/machine 1.0 1.0/each 10 lanes 2.0 + 0.4/bed 1.0 For any and all establishments not listed herein, the "Equivalent Customer" units shall be computed as the quotient of the annual average monthly metered water use in cubic feet divided by 700, and used to the nearest tenth; excepting that reasonable allowance may be made for metered water which is used for sprinkling and/or similar purposes not contributing to sewage flows; and provided that no establishment shall be rated at less than one unit. The Aurora Village complex and the King's Garden school campus may be computed on the monthly meter basis. 12/7/70 APPENDIX C COMPUTATION OF CAPITAL COSTS BY UNITS OF JOINT SEWERAGE SYSTEM CONSTRUCTION INDIRECT TOTAL FEDERAL CAPITAL UNIT DESCRIPTION CONTRACT COST COST GRANT NET COST 7A Ballinger Trunk Sewer $ 120,021 $ 30,833 $ 150,854 -- $ 150,854 8 Lake Ballinger Pumping Station 103,780 20,756 124,536 $ 30,636* 93,900 9 Force Main to Highway 99 42,007 8,401 50,408 12,408* 38,000 10 East Edmonds Way Trunk 94,165 18,833 112,998 * 27,798 85,200 II West Edmonds Way Trunk 119,473 23,895 143,368 35,383* 107,985 12 Edmonds Original Tr.Plant -- -- -- -- 1.35,000 12A Edmonds Outfall Sewer 66,781 13,356 80,137 * 19,777 60,360 12B 1959 Tr. Plant Expansion 63,439 12,688 76,127 18,787* 57,340 12C 1967 Tr. Plant Expansion 372,000 37,000 409,000 194,500R 214,500 12D 1 1971 Tr. Plant Expansion 592,000 158,500 750,500 361,000A 389,500 12E 1971 Outfall Extension 52,000 10,500 62,500 30,000A 32,500 TOTALS *24.68% of Total Cost RReceived April 1969 $1,625,666 $334,762 $1,960,428 $730,289 $1,365,139 AAnticipated upon completion of construction 12/22/70 APPENDIX D DETERMINATION OF PERCENTAGES OF CAPACITY USE OF UNITS OF JOINT SEWERAGE SYSTEM UNIT 7A (Ballinger Trunk) I. Criteria Percentages of capacity use are to be equivalent to ratios of monthly maximum flows. 2. Special Provisions Most recent maximum monthly flows occurred in December 1969, at which time the full flow impact from initial hook-up of tributary Olympic View customers had not yet occurred. For purpose of interim determination of percentages of capacity use, an assumption is made that Edmonds -Olympic View flows for December 1969 should be increased by 15 per cent, as a reasonable projection of flow data to December 31, 1970. 3. Calculation of Percentages of Capacity Use (Projected to December 31, 1970) Meter D Meter E (Total Flow (Mountlake Flow Item in Unit 7A) in Unit 7A) a. Metered Flows in M.G. Dec. 1-31, 1969, Incl. 15.123 4.1813 b. Projected Flow Increase in M.G. from O.V.W.D. 1.641* --- c. Projected Total M.G. 16.764 4.1813 d. Mountlake Percentage of Capacity Use (E/D) 25% e. Edmonds Percentage of Capacity Use 75% *(15%) (15.123 - 4.1813) = 1.641 **Potential increases in Mountlake flow deemed offset by planned elimination of overflow from Lynnwood pumping station. I IN I TC R R A I. Criteria Percentages of capacity use are to be equivalent to ratios of monthly maximum flows. 2. Special Provisions Most recent maximum monthly flows occured in December 1969, at which time the full flow impact from initial hook-up of tributary Olympic View customers had not yet occurred. For purpose of interim determination of percentages of capacity use, an assumption is made that Edmonds -Olympic View flows for Decem-ber 1969 should be increased by 15 per cent, as a reasonable projection of flow data to December 31, 1970. 2/15/71 9/30/71 Appendix D, continued. 3. Calculation of Percentages of Capacity Use (Projected to December 31, 1970). Meters A+B+D Meters D-E (Total Flow in (Edmonds Flow in Item Units 8 & 9) Units 8 & 9) a. Metered Flows in M.G., Dec. 1-31, 1969, Incl. 67.4683 10.9417 b. Projected Flow Increase in M.G. from O.V.W.D. 1.641 1.641 c. Projected Total M.G. 69.1093 12.5827 d. Edmonds Percentage of Capacity Use 20.9% e. Mountlake Percentage of Capacity Use 79.1% UNIT 10 1. Criteria Percentages of capacity use are to be equivalent to ratios of numbers of customers served, in lieu of comparative monthly maximum flows, for the reason that sewage flows from Olympic View Water District discharging directly into Unit 10 (East Edmonds Way Trunk) are not metered. 2. Calculation of Percentages of Capacity Use a. Estimated numbers of customers served: No. of Per Cent Agency Customers of Total Mountlake (City) 4790 46.77 Mountlake (Ronald) 2150 20.99 Total Mountlake 6940 67.76 Edmonds (City) 1521 14.86 Edmonds (Olympic View) 1780 17.38 Total Edmonds 3301 32.24 z. Grand Total 10,241 100.00 b. From the foregoing tabulation, the percentages of capacity use in Unit 10 are as follows: Mountlake 67.76% Edmonds 32.24% UNIT II I. Criteria Percentages of capacity use are to be equivalent to ratios of numbers of cusommers served,in lieu of comparative monthly maximum flows, for the reason that (2) Appendix D, continued. sewage flows from Olympic View Water District and City of Edmonds discharging directly into Units 10 and II are not metered. 2. Calculation of Percentages of Capacity Use a. Estimated numbers of customers served: No. of Per Cent Agency Customers of Total Mountlake (City) 4790 41.28 Mountlake (Ronald) 2150 18.53 Total Mountlake 6940 59.81 Edmonds (City) 1808 15.58 Edmonds (Olympic View) 2856 24.61 Total Edmonds 4664 40.19 Grand Total 11604 100.0 b. From the foregoing tabulation, the percentages of capacity use in Unit II are as follows: Mountlake 59.81% Edmonds 40.19% UNITS 12, 1213, 12C and 12D I. Criteria Percentages of capacity use are to be calculated from weighted ratios of sewage flows and numbers of customers, by means of the formula in which P = (0.75) (q/Q) + (0.25) (n/N) P = Percentage of capacity use of plant by the given party. q = Monthly maximum sewage flow of the given party to the plant. Q = Monthly maximum total sewage flow to the plant. n = Number of customers of the given party served by the plant. N = Total number of customers served by the plant. 2. Special Provisions Prior to completion of the 1971 treatment plant expansion project (Unit 12D), total monthly maximum flows to the treatment plant cannot be measured, for the reason that winter -time peak flows exceed the present hydraulic capacity of the plant influent channel and the present master flow meter. For purpose of interim determination of percentages of capacity use, an assumption is made that the maximum monthly flow per customer for Edmonds is ten per cent higher than that for Mountlake, by reason of the past history of the sewer system of the old town area of Edmonds, which was constructed and operated for many years as a combined storm and sanitary sewer. Although extensive storm water separation programs have been consummated during recent years, flows in this portion of the Edmonds system still are effected strongly by storm conditions. 3. Calculations of Percentages of Capacity Use a. Ratios of numbers of customers served: (3) Appendix D, continued. No. of Per Cent Agency Customers of Total Mountlake 6940 42.06 Edmonds 9562 57.94 Total 16,502 100.00 b. Assumed Ratios of Monthly Maximum Flows Assume Mountlake monthly maximum flow equals the number of Mountlake customers multiplied by the factor "G". Edmonds monthly maximum flow then will equal the number of Edmonds customers multiplied by the factor "I.IOG". The total flow thus equals ' (6)-940) (G) + (9.562) (1.I0G) = 17,458G Edmonds ratio of flow then equals 10;5.18G/17,458G = 0.6025- and Mountlakes ratio of flow equals 1.0000 - 0.6025 = 0.3975 c. Edmonds Percentage of Capacity Use PE = (0.75) (0.6025)+ (0.25) (0.5794) = 59.67% d. Mountlake Percentage of Capacity Use PM = 100% - 59.67% = 40.33% UNITS 12A and 12E I. Criteria Percentages of capacity use are to be equivalent to ratios of monthly maximum flows. 2. Special Provisions Monthly maximum flows through Edmonds Outfall Sewer (Units 12A and 12E) cannot be determined prior to completion of the 1971 treatment plant expansion project (Unit 12D), for the reason that the present capacity of the plant influent channel and master meter is insufficient to accommodate winter -time peak flows. An interim determination of ratios of monthly maximum flows therefore must be predicated upon weighted ratios of numbers of customers served. 3. Calculation of Percentages of Capacity Use The calculations for interim determination of percentages of capacity use for Units 12A and 12E are as heretofore set forth in subparagraphs 3a and 3b of the immediately preceding section of Appendix D relating to Units 12, 1213, 12C and 12D. From the said calculations the percentages of capacity use for Units 12A and 12E are as follows: Percentage of Agency Capacity Use Mountlake 39.75 Edmonds 60.25 (4) e .1 0 t` W m W U W 0 LL 0 cf5 Q LLI CO cn u.1 U Q of W 3 W O F- Z 0 LL- (D U) F- Z m W cif Lli O cry LLJ 0 F- O U Z Q O W CD Q W U Q L.L 0 Z 0 F- Q J m Q F- J (L J W J C_) LSO O O O O O O O T1 co r-- 0 00 cO M cO - O O lO c0 N N - cn 1,O M O\ 00 r U-1 rn O o0 cor- lD r N 00110 � - CIA �o CD 0O M r ON- a� 01% IslNrO �jO � N O co ul n N �O N N \,O - - CV O\ �o W .b - N - F- I Z N Q - J c�O NO r- 00 �,O Nr—rMLn MO't CD 00 - r- W 000r-- nNr- n MOM;i-r— O\ M-N N N - M K) 00 - Qf LC1 M D` - Ill L(1 M N - 0 - co N 0 ill Ct M 00 Q Y v5 W Z LU �2: 000 000 O Ln\,Ol-- 1 I CO MHO- O 10 cO d F- 0 0 M a1 co r-- Ufl M CO CO I I O rl- N O �,O I- ul �.o O F- M r- co N- C\ O\ Ill N I 1 0 N 0 1 O - - Q D - - 3 U o Z Z 0 2: to ko N co 1r - co cO N I` N I I \,O H M co I O C M m m col r-- Ln N r- LC O 1 1 M M r- Nl - N N I-- m � Lu Of Ill MOl 't - n L(1 MN- I I cO N Ln I I;*- O � .0 - - N - 3 Q Y Z LO Of cr� W �2: O O O O O O O ul0 1 1 I t MHO-- 0 co M Ol 00 r— Lcl 't M CO I I I I N r- N O I I I O OA ON - m CTLn I I I Ln d N I I I - Q Lo - N cO - - M O 3 J - � U - cn Z O � Z O mac!) �O N co r- ON 1,O Nr I I I Or) HMO 1 1 1 ill ­r O 0 W O1 Or- LnNr Ill M O I I I M M-N 11 I r` - r— W or_ Ill rn Ol - 11 Ill to N I I I In N \�o I 1 I ,30 0-\ • U - - N - rn W Q Z - cn Q 0-1 W2: O O O O I O O Ill 0 1 1 1- M I I I E I M D\ U O 110 M O\ co t 0 r M CO I I I N � I I I 1 1� m 0 ct� F- M r-- co 1 co co Ol Ill I I I Ill I I I I 1 m � d5 0 u5 - - cO - - W :D co U df U) F- - F- Z cn 0 co �O N O r I r— n N r I 1 I a, 't I I I I I It M O W W m 00 I` U') I n M M O 1 1 1 M M I 1 1 1 1 M r 0 �� Ln M ON d I M N 1 1 t o N I I I I I N r N :D U - - N M 1L Q 3 co W iY co W I O O 1 I 1 0 n cO I I 1- M I I I t I M 't Y O I M M I I I M M CO 1 I 1 I I O\ Lcl I I I I I I 1 I CT N Q=D t F- U F- - Of LU :D CC-D Z - O I N N I I I N N r- t I 1 O\ M n 1 0 co I I 1 00 M O I I I M M I I I I 1 M r- n Jo- I MM I I I M M N I I I n N I I I I I N r- - U - m Q 3 W Y 0 Q U) _ J J >- 4 F- U Z J F- W 0 :D >- IL O - O F- - v t6 W F- + U +- J +- '6 Y O W O J O 0 O J 0 Q ?- Q Q F— co -0 co -0 F- U J J 7 O 0 7 0 3 O (if Z F--N O F- -Ncn F- Z-NM,:I-LnV) Z -NM "ZtLC) Mcn F- (D W Z I I Z I I 0 1 1 1 1 1 0 1 1 1 1 1 1 C> Z:�E: OIror-, 2:w W W W W 2:00000of O 0 Cl 0 s LU Lu 0 r N N N O r rn tz w co w U W 0 LL O U) Q w cn r W CD Q W 3 W Z 0 LL O G) F- Z m 0 ui W Lo U) of LLJ cn U LL 0 to O F- Q LY Z Q Of LLJ 00 Z LL. 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J Z Q 'T LD O rrl D O O �O Ln r CO Ln IZI- O— r't N— Ln C\ O J Q LLJ 0LL- UO ON --M N LnM—LONO NOr�O OOr r O Z F- F- N N — — 't — — Ln O — =D O — O W LL- LLJ VZ O N df I U) N Z LL Of — Q O W 0 0 0 0 0 0 O Ln �O Ir 0 CO lD M %,D — O O LD \,O (,.j N Cf)IZ • 0 110MO'\ OrLn 1� MCC) CC) 00rLO rN 00l0 4—C'\ �o O F- O F- MITr O(N— O) a>L1NrOt0 N0 00 T) Ln — Z cn — N \,D N N tiD — — N ON 1,D — =D F- U Z F-J r—O OMM — \DLnr co 00N M mot— D1 J Z Q LIIrN NMLn 00 00;zj- I I Ln ONO— I —LO — O U 0 M I0 N 00 of 00 Ln N I I Ln -T O_ O\ I O I l N CD O > O - - Q W LL — 3 W O — 0 v) Z Z LL of O 0 w 7 O 0 0 0 0 0 O Ln LO r I I ao M O 1 10 LO p p \.D Pr) ON 00 F--Ln 't N-)COCO I I 0 r N 00 �0 I— Ln \,D o w OF- Mir 00N— (),\ all LnN 1 I c N O I C Z cn — N l0 — — — 3 U Y F- J r O r Ln 't m l0 M M ID N n — ao Z Z Q LnNr MLD(ON r —r I I I \,DNLn I I I M N O cr-IU O NO r (D�Ln ON 1 1 1 r I— F- d — N lD — — — M O tz — r W LL 0 Q a- O Ln Ln — p LL tY Z Z O LU ZO 2: 000 000 O Ln Mk0 — I 1 1 O — — : O �JO K) G% CO r Ln � M 00 1 I I N r N 00 I I I co CD ;I- 0 O F- N-) 't h 00 N— m 01\ Ln 1 I 1 Ln N I I V r Z co �t — N �O — — — N') CDW W U z J M LD CO O O 0\ O'\ LD lfl �O l0 QZ Q M m N r I r m rr I I I T) 't I I I I I� O O 2: LLJU W O O:I- Ln • I — I k0 • I I I O �10 I I I r • I I I I I Ln I I I I I Ln M O m U F- L11 In N r — N O Of of — df O W LL LL. IL p a0 Fes- .LLB — F- Z cn O LJ :-5, O O O O I O O Z • 0 �10 M 0) 00 1 00 r M cO I I I N r I 1 I I I h ON �D IL O F- M'T r 00 1 co l0 cy\ Ln I I I Ln � I ! 1 I I 'mot D1 � IL U W Z Q I I I I r Ln I f I r Ln 1 1 1 1 1 Ln N O cn W F- O I I r� I ! I I I I r I I I oJN I I 1 N . 1 I I I I � I I I 1 I O\ YU tIn O p Z of — =) W LL r 01- CL 0 F- - ct� ui Z LLJ LL W BCD Z O W :l2i: 1 00 1 I 1 O 1 1 1— M I I I I I M zttt — O 1 M M I I I M M 00 1 1 1 'N r 1 I I 1 I r O' N O F- 1 I I I M Ln I I I :n J Z N — N Q :D In U 3 w LL..I p Q > cn J J 0 Q > < F- U Z J LLI F- Z Z — O Q Q U — � — O H — — O O .. .. J W F- od + U 4 +-- v OZ Y +- Y 4- Q f- 4- Q U Q -0 < co U) I— Q J D J p 0 0 0 Of W F--Ncn ♦--Nco F- Z — NM KtulLO Z —NM 3- LnMv) F- CD (.D Z I I Z I 1 O 1 1 1 1 1 0 1 1 1 1 1 1 Q Z�� �LILLJ W W W �0000 0of O O 0 0 � 2: LLJ LLJ 9/7/71 APPENDIX F REAPPORTIONMENT OF CAPITAL COSTS BY UNITS OF JOINT SEWERAGE SYSTEM UNIT DESCRIPTION CAPITAL COST USAGE EDMONDS RATIOS MOUNTLAKE COST APPORTIONMENT EDMONDS MOUNTLAKE 7A Ballinger Truck $ 150,854 0.750 0.250 $113,140 $ 37,714 8 Lake Ballinger Pumping Sta. 93,900 0.209 0.791- 19,625 74,275 9 Force Main to Highway 99 38,000 0.209 0.791 7,942 30,058 10 Edmonds Way Trunk (SE) 85,200 0.3224 0.6776 27,468 57,732 II Edmonds Way Trunk (NW) 107,985 0.4019 0.5981 43,399 64,586 12 Edmonds Original Tr. Plant 135,000 0.5967 0.4033 80,554 54,446 12A Edmonds Outfall Sewer 60,360 0.6025 0.3975 36,367 23,993 12B 1959 Tr. Plant Expansion 57,340 0.5967 0.4033 34,215 23,125 12C 1967 Tr. Plant Expansion 214,500 0.5967 0.4033 127,992 86,508 Subtotals $ 943,139 $490, 702 $452, 437 12D 1971 Tr. Plant Expansion 389,500* 0.5967 0.4033 232,415 157,08.5 12E 1971 Outfall Extension 32,500* 0.6025 0.3975 19,581 12,919 TOTALS $1 , 365, 139* $742, 698 $622, 441 *Estimated (with allowance for anticipated State and Federal grants) 12/22/70 APPENDIX G SUMMARY OF CAPITAL COST PAYMENTS BY EDMONDS FOR USE OF UNITS 8 & 9 Calendar Annual Payments as Year Cost Reimbursement 1962 $ 666.64 1963 2,000.00 1964 2,000.00 1965 2,000.00 1966 2,000.00 1967 2,000.00 1968 2,000.00 1969 2,000.00 1970 2,000.00 TOTALS $16,666.64 9/7/71 APPENDIX H SUMMARY OF CAPITAL COST PAYMENTS BY MO.UNTLAKE FOR USE OF UNITS 12, 12A & 12B Yea r 1962 1963 1964 1965 1966 1967 1968 1969 1970 TOTALS (1)Including Ronald Mountlake Flow-MG(I) 192.689 304.980 306.020 357.430 424.9 20 431.180 438.824 553.958 598.873 510.581 511.9956 4,631.451 Total Annual Capital Cost Reimbursement $ 2,890 4,575 4,590 5,361 6,375 6,473 6,582 8,309 8,983 7,659 7,680 $69 ,477 9/7/71 O r Ln LLI Z M J � In � F- LLI cn U O LLI U p J O Q F-- F- a- LLI H U v~i X LJ Un J p m LLI Z Q CD LLJ 0- � � 0- ZD LLI Q m 3 LLI Cn LLr (if F- Z LL O O Z OL- _ O F- Q c1� Z F- � Z 0-1 O LLI F-- J LLJ J p Q (Y O LL LLr .. Ln N o r` O o 0 - F- O O\ N O N CV Z Ln M (T O O O O O m:D^ - O N O N r` N N Z 7- M - - - p .1 M N O M Ln Ln Ln - O O co O 00 co n O^ O O O O O O O {- :Dz . — O m O r- r` r- r- Z � OD Ln Ln Lfl rn - - - U M r` O O N O Ln N O M co kp LC) - d" Ln O O (T — F- O O O zt O\ ^ Z Ln Ln — F- O \ Ln — O - O �Zt o \.D rr - o - z - co - � � N c0 M m oo M co Ln N O M Ln Ln �O Ln t0 O � co O O N \ — N M O — O ON O �t kO r` -0 r- O rrl O - - M - - Z � Ln N - Q .-. If1 tT O M � �+ N (Dr� M I Lfl �O Ln 00 r� N N N1 M r- O l0 l0 (X3 C) O I CD- - rn Z 0 N M N O rfl l0 M OA Ln �r - O O -4-Ln M O 't co I- Z O St \ 00 Ln Ln O\ Lfl O �' F- ^ co ^ - O Ln O � N - M N l0 10 O Z M Ln \ — N t` M — N Ln 00 IQO OT M N M F- co ON CC) TN Ln F- � Ln \ N � N M 00 O Z O r- p� CDD O - M Ln N - O cn O N Cp C\ N O O O ID- p O N -,0 Ln M O Ln N O Izi- 00 Z N tr) \ Lfl Ln N r N �t F- O O r� - - 4 - - Z p O N \ - - ::I- LLI �.O O'\ - 6 (n O (T r- N V) O M 00 p O O O Lp M O M O M Z 01\ N Ln \ M Ln M 1 m l0 O N Lo O ^ ^ N ^ w w F- - O r \ 0b lc - - p M N - M - N Z LLJ ZD Q O N M 00 M r- F- Ln Ln - r % O co - Z 00 N r- \ M Ln - ON r- - O F- = - - O O O r- \ CO 4 N r Z Ln rn - Ln M - O r` \ Ull cn at; O M M (0 - N O ±\ F N Un N E +- N ttnn (o E O E N N (n(n (o O LL- C IL Un UD L U U O — N c L L Z C UJ - F- c -- (D -0 N O ~ L (ll L C j L E C •� z a a a O Ctf (n (o a (Z _0 U L U O 01 O L CO (o Q Q (D UD (ll Q) F- Q a) L- � + D 4- +- 4- L D O - 4- +- L- � C 4- +- O L- •- E Un 0 (n (n U LL W Ln L '-O OU UCop Q U a- Q � 9/7/71 APPENDIX J SUMMARY OF REIMBURSABLE CAPITAL COST BALANCES ON DECEMBER 31, 1970 FOR ALL UNITS OF JOINT SEWERAGE SYSTEM REIMBURSABLE CAPITAL COST BALANCES UNIT NO. DESCRIPTION EDMONDS MOUNTLAKE 7A (Ballinger Trunk Sewer) -- -- 8, 9 (Ballinger Lift Station 8 Force Main) $21,233 -- 10 (E. Edmonds Way Trunk Sewer) 41,480 -- II (W. Edmonds Way Trunk Sewer) -- $15,014 12, 12B (Edmonds Original Plant + 1960 Exp.) - 58 349 12A (Edmonds OutfaII - 1960) -- 18,629 12C (Edmonds Plant Expansion - 1967) -- 1.01,950 12D (Edmonds Plant Expansion - 1971) -- 157,085 12E (Edmonds Outfall Extension - 1971) -- 12,920 TOTALS $62.713 $ 36_—� 3 , 947 NET BALANCE OF CAPITAL COSTS* OWED BY MOUNTLAKE TO EDMONDS $ 301_,234 *Including Accrued Interest 9/7/71 APPENDIX K DETERMINATION OF ANNUAL PAYMENT BY MOUNTLAKE FOR CAPITAL COST REIMBURSEMENT TO EDMONDS A. Calculation of Effective Interest Rate on Net Capital Cost Balance Owed by Mountlake Reimbursable Effective Interest Capital Cost Interest Weight Unit Balance Rate (%) Factor (1) Owed by Mountlake Unit 7A $ -0- 4.50 $ -0- Units 11, 12A, 12B 51,548 4.25 2,191 Unit 12 38,446 3.50 1,415 Unit 12C 101,950 5.10 5,199 Units 12D, 12E 170,005 7.00 11,900 Subtotal $363,947 5.69 $20,705 ( (2) Owed by Edmonds Units 8, 9, 10 62,713 4.50 2,822 (3) Net Balance Owed by Mountlake $301,234 5.94 $17,883 B. Calculation of Mountlake's Annual Payments for Capital Cost Reimbursement (1) Capital Recovery Factor (for 20-year term and 5.94 per cent effective interest rate) = 0.08684 (2) Required Annual Capital Reimbursement Payment: P = (0.08684)($301,234) _ $26,159