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11/25/2002 CONF MTG - 4767� L crrr aF FRIDLEY CITY COUNCIL CONFERENCE MEETING November 25, 2002 — 7:00 p.m. Fridley Municipal Center Conference Room A 1. City Employee/Commission A�preciatior� Events. 2. 2003 CDBG Program. 3. Dur�es Park Traii Optiops. 4. Liquor License Held by AMF Maple Lanes. 5. Comprehensive Street Plan. 6. Water System - New Regulation Affecting Deep Wells. 7. Water System - Shallow Well TC� Contamination. 8. Other Business. Adjourn. � , ,..�- 0 � Deborah K. Dahl � M E M O R A N D U M Human Resources Director (:fl''I( OF FRIDLEY I � � �� TO: William W. Burns, City Manager ,; �� G' ,� t n �� FROM: Debbie Dahl, Human Resources Director� DATE: November 22, 2002 RE: Commission and Employee Appreciation Events You recently asked me to research options for the commission and employee appreciation events. Attached is a table outlining the results. Many of the places we checked with had a maximum seating capacity of around 200 people which would make it hard to combine the two groups. Based upon the results, we would make the following recommendations: Commission Appreciation Dinner: 1. Medtronic (We are still waiting to hear from them.) 2. Earle Brown Heritage Center. Employee Appreciation Dinner: 1. Seasons Restaurant. 2. Minnesota Centennial Showboat. 3. Anoka Lyric Theater and Dinner (i.e. Fridley Community Center or Greenhaven Golf Course). I did check with Joe DiMaggio's for the commission dinner. They said they would call back on Monday. I also checked with the VFW, and they had no open Sundays in February. If you have any questions, please let me know. Attachment M O O i � L�" O � � � � � � ... 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Fernelius, Assistant HRA Director 2003 CDBG Pro On Monday night stafi would like to review a potential idea for fiindin� under the 2003 Community Development Block Gra11t program. Initially, staff had planned to prepare an application to reqltest funds for the Home I�nprovement Grant Program. However, today staff learned from Anoka County that such an effort would probably not be funded, since the County already has a prograin adininistered by ACCAP. According to County staff, implementing a separate program in Fridley would be a duplication of service. Given this fact, we did review the Gateway West project with County staf£ Interestingly, the County did mention that CDBG funds could be used far removal of blighted properties. Alihough, we have no� done detailed inspections on all of the properties, at least one of the single-family homes to the south of Frank's would meet these criteria. In addition, CDBG funds could help with some of the demolition costs. We should point out that one of the "strings" attached to CDBG funds would be a requirement that a certain percelltage of the new housing units be kept affordable. For example, if CDBG funds represent 10% of the total public cost of the project, 10 percent of the new units would need to be affordable to low-income families. In addition, the City could not enter into formal agreements with the property owners until after JLlly l, 2003. CDBG funds might help close the funding gap, given the financial implications of the Gateway West project. Additional information will be available on Monday night. M-02-138 � William W. Burns � M E M O R A N D U M City Manager CfTY OF FRIDLEY Memo to: The Mayor and Council From: William W. Burns, City Manager �� Subject: The Dunes Date: November 21, 2002 In recent weeks we sent you a copy of Don Savekoul's letter and a cost analysis that was prepared by Jon Haukaas. I am assuming that you want to give your blessing to Don's fundraising effort that, if successful, will restore an asphalt trail through the Dunes Park. What I am not sure of is whether you want to agree to match the money that Don raises with City money. I would also like to ask you for your preferences regarding the design of the path. Do you like one of the two alternatives that Jon prepared for you? (See attached memorandum.) As we consider the City's commitment to the Dunes, I think it is important to consider where we might be with future capital improvements. If the State legislature strips us of a large chunk of our LGA and MSA funding, we may be forced to postpone many of our planned capital improvements until our funding situation has improved. While the price of the Dunes trail is small, it represents a commitment to maintaining that area as a public park. Making that commitment at a time when we are considering cutting back improvements to our other parks may not be prudent. Thank you for your consideration of these thoughts. Attachment City of Fridley TO: William W. Burns, City Manager �A\� .�n �' �• FROM: Jon I�.f� aas, Public Works Director DATE: November 14, 2002 SUBJECT: Discussion of Dunes park Trail Options PW02-093 Attached are three options and estimated costs associated with the construction of a pa��ed trail through the West Moore Lake Park, formerly "The Dunes." The trail would be an 8-foot wide bituminous path 2-in. thick on 4-in. of gravel and include all grading and clearing. Eight feet wide is the narrowest path that can be constructed using standard equipment. The contractor would use a small bulldozer and loader to grade the path and fu11 size dump trucks to haul materials. A smaller path would actually increase the cost due to the need for specialized equipment. The iirst option is for a paved traii along the original boardwalk alignment through the middle of the park. This trail is approximately 1,2001ineal feet and is estimated to cost $22,500. The second option is for a new trail along the lake shore. The trail would weave to avoid and preserve as many trees as possible. This trail if approximately 1,400 lineal feet and is estimated to cost $26,500. The third option is for the lake trail plus a connection trail inside the fence along West Moore Lake Drive. The total length of trail would be approximately 2,100 feet and is estimated to cost $39,500. Donald Savelkoul, a Fridley resident, has formed a group to promote the development of a trail through this park. He is proposed to request funding for the trail from local community groups and individuals. He has asked our input and concurrence before proceeding. The Minnesota Department of Natural Resources has an Outdoor recreation Grant Program through which the City could apply for a 50% matching grant for this type of internal park trail system. The funds raised by the citizen group would be applied toward our local share. Requesting feedback from the City Council on how and if to proceed with developing a project and aiding Mr. Sauelkoul's group in obtaining funding. JHH:cz ��s �� i� � ��r�� i - drr�n..� 141��N«tis�i Sca!e 1:' S � � ( Z C,, >� t '�.: �� Z l J`;1.� _ .� �� :�.,� � ��, , '� +r � �� .� ��Yh�.___�_: � ��» . ..�� - `; ,, _. , ..e� _ �:;�. �� „` __ :�:.o��-_..�..m,�..k..�,,._�.„ < �! � � � „� � • � � Z ��,k� T�,,�t JCBia �:�j�:.. ; � �::�� E t '' 2 �, . - ., �� wiNUOws qs/ss/?ooa/+►r ��W��+��q ��'Y�! � � �� P�� - �ooP �� • � �> ; t? ,.� ;. � � , ��" .. � � Scale ' :151 „ . �� . , � ��'�� ..� � �.. _-� ��: ��, ��,�; '`�'�� , �. � - �.�-��°� �:'�:.. TO: WILLIAM W. B URNS, CITY MANAGER � �� FROM: RICHARD D. PRIBYL, FINANCE DIRECTOR �' DEB SKOGEN, CITY CLERK SUBJECT: DECISIONREGARDING THE LIQUOR LICENSE HELD BYAMF MAPLE LANES Date: Novei�zber 21, 2002 We have been asked to provide some additional information regarding other cities liquor licenses. The two requests are: l. What do other city ordinances require for food to liquor requirements, if at all. 2. When other cities have reduced the food ratio, what was their justification for a reduction? We provided a memo earlier that contained much of this information. We have added some additional infornlation to the memo that is identified in the bold fo�rt. Attached you will find information on each of the cities th�i were surveyed that sell intoxicating liquor. You should be aware that this past week, Mr. James Moran, AMF's attorney called. He wanted to know what Council's thoughts were based on his last meino to the city. He was told that they can not take any formal action on this issue until the item comes back on the agenda in January. We also instnicted him that staff does not have the authority to provide him with any direction as to what they should be doing that is any different than what he heard at the Public Hearing. It still appears that AMF's solution to this issue appears to be to convince Council to reduce the minimum food percentage to 35%. If Council finds that a change to the ordinance is in order, staff is ready to provide any modifications as requested. Staff was requested to do a review of intoxicating liquor license information for the public hearing on Monday, October 28, 2002, to give the council additional background information. The State of Minnesota defines a restaurant as an establishment, other than a hotel, under the control of a single proprietor or manager, where meals are regularly prepared on the premises and served at tables to the general public, and having a minimum seating capacity for guests as prescribed by the appropriate license issuing authority. Mr. Moran stated, in his later dated 9-11-02, that the following cities allow a lower requirement of food to liquor sales: Bloomington — established a lower food requirement for restaurants located within a bowling center to 30% Rosemount — established a lower food requirement for restaurants located within a bowling center to 25%. Mr. Moran stated that Brooklyn Center and Richfield have taken into account other revenues generated by the business in determining the required food percentage. He stated that: Brooklyn Center — established a separate class of license with a lower food requirement for restaurants and hotels "...which derive a considerable part of their revenue from sources other than liquor and food." According to Mr. Moran, the lower food requirement is 40%. Richfield — does not have a specific food to liquor requirement but rather requires ti�a� � restaurant "...shall be conducted in such a manner that a substantial part of all business activities conducted on the licensed premises for a license year is the serving of food and that the revenues from the sale of liquor shall not constitute the principal part of the revenues derived from all business activities conducted on the dicensed premises (emphasis added). " Staff requested information from 14 cities. Included in this request were the cities listed above. The Citv of Anoka requires that a restaurant provide seating for not less than 100 guests and that the principal part of business is the serving of food. Bowling alley definecl — seat no less than 75, have no less than 24 lanes and in compliance vvith definition of a restaurant. The City of Blaine requires that restaurant provide seating for 100 guests at any one time and that on-sale intoxicating licenses are limited to hotels and restaurants. They have no food to liquor ratio, but require the principal part of the business for a license year is the serving of foods. The Citv of Bloomin�ton requires seating of not less than 50 guests at one time and that the principal part of the business of which is the serving of food. However, under the renewal application, the applicant must provide a statement signed by an independent certiiied public accountant attesting to not less than 40% of the food and non-alcoholic beverages. Where a restaurant is located in a bowling center, the food and non-alcoholic beverages is 30% of the combined food and liquor sales. In discussion with Kim at Bloomington, tbe minutes reflect that in June of 1987 the City of Bloomington adopted two ordinances. The first one allowed on-sale intoxicating liquor license in bowling centers and the second one lowered the food limit from 40% to 30% after the first year. This was due to the request for Southtown Bowl to acquire a liquor license and to limit the food sales due to their limited menu. At the time they were represented by an attorney. The City of Brooklyn Center allows on-sale intoxicating liquor in a bowling establishment where food is prepared and served for consumption on the premises. The City has 5 different classes for their on-sale intoxicating liquor available depending on the type of business it is, or whether it is a new or existing business. The City currently licenses one bowling alley with a Class B license requiring 50% through 79% of the applicable revenue derived from the serving of foods for consumption on the premises. Class A— 80% or greater food sales Class B— 50% to 79% food sales Class C— 40% to 49% food sales Class D— Probationary for new licensees Class E— Hotels only — city approves menu Class F— Earle Brown Heritage Center Only — 2 hour events City of Brooklyn Park — On-sale licenses may be issued for the sale of intoxicating liquor in hotels, clubs, restaurants and establfshments for on-sale of liquor exclusively. A restaurant is de�ned as any establishment serving meals to not less than 30 guests where meals ar� regularly furnished at tables and the principal part of the business is the serving of foods. Class A— includes those establishments licensed to sell on-sale intoxicating liquor where any of the following take place or are allowed: karaoke, live entertainment, on site disc jockeys, or dancing. Class B— includes those establishments licensed to seil on-sale intoxicating liquor where none of the activities listed in this definition take place or are allowecl. When talking to Linda at Brooklyn Park, she said as long as a licensee meets the minimuYn requirements of 30 seats, there is no food �o liquor ratio requirements in the City of Brooklyn Park. The Citv of Columbia Heights issues a Class C license for bowling centers. The bowling center must not have less than 15 lanes with appropriate facilities for the serving of food to not less than 30 persons. In addition, a bowling center shall be conducted in such a manner that no less than 60% of the business receipts for the license year shall be derived from the serving of food and bowling, thereby allowing a 40% liquor ratio. (Section 5.503(2) Class A— 60% food in food/liquor sales Class B— 61°fo or greater food in food/liquor sales Class C— 60% Food in food/liquor split with primary business other than restaurant, such as a hotel or bowling Class D— Probationary for new establishments Class E— limited intoxicating liquor for restaurants that do not have an elevated counter, commonly known as a bar The City of Coon Rapids issues two different classes of licenses, one for a full service restaurant and one for a restaurant that serves food, but is not full-service. They are in the process of possibly changing their city code to require only full-service restaurants. They have no food to liquor ratio in their city code at this time. Class A licenses issued to hotels and restaurants shali not discontinue food sales prior to 11:00 p.m. City council may issue the number authorized by law less the number of Class B licenses issued annually. One Class A license may be issued only to a hotel/motel with a minimum • of 175 guest rooms • 10,000 sq ft finished floor area devoted to conference, meeting, reception and similar activities • 2 ballrooms having a seating capacity of 200 persons each • one on-site restaurant with catering capabilities for meetings and receptions. Class B licenses issued to restaurants which have some food available, but which do not provide a full menu or table service — city council may issue up to 3 Class B licenses annually The City of Elk River has no minimum seating requirements and no food to liquor ratio requirement. Licenses shall be granted only to hotels, restaurants, bolwing centers, clubs and exclusive liquor stores. 'The City of Maple Grove requires serving of ineals to not less thar� 50 guests sittimg at tables a� one time but has no food to liquor ratio rec�uirement. Licenses may only be issued to restaurants and hotels. The Citv of Minneapolis requires that a restaurant have appropriate seating for not less than 50 guests and that the principle part of business is the serving of food. Minimum food service requirement: All on-sale liquor and beer licenses issued for new premises shall meet the minimum food requirement as follows: (a) the establishment shall: (1) Be under the control of single proprietor or manager (2) Have suitable kitchen facilities including a stove or rethermalizing equipment refrigerator, work table, dishwashing and utensil- washing sink. The equipment and premises shall meet the provisions of all food and health codes (3) Provide food service consisting of no less than four (4) entrees or sandwiches or other principal food items as approved by the director, and a choice of non-alcoholic beverages. Prepackaged foods shall not be included in the enumerated required food items. (4) Provide food service during a substantfal portion of the operating hours of the establishment. Special all-night bowling, pool or billiards permit. (a) Any person operating under an "on- sale" license for the sale of beer or liquor who desires to remain open 24 hours a day for the operation of the game of bowling, pool or billiards may apply for a special licenses. On-Sale Intoxicating Liquor Class A— shall permit all Class B, C, D and E activities and in addition shall permit dancing and entertainment provided dance floor area shall not exceed 2,000 sq ft. Class B— shall permit all Class C, D, and E activities and shall permit live music and singing without limitation as to the number of musicians or singers or the type of amplification. Dancing and singing by patrons of the establishment are permitted. Stage shows, skits, vaudeville, theater, contests, dancing by employees or agents of the licensee and patron participation are prohibited. Class C1 — shall permit Class D and E activities and in additional shall permit and shall permit amplified or nonamplified music by five or fewer musicians and group singing participated in by patrons of the establishment. Class C2 — shall permit Class D and E activities and shall permit amplified and nonampli�ed music by 3 or fewer musicians and group singing participated in by patrons of the establishment Class D— shall permit all Class E activities and shall permit nonamplif�ed music by one musician, group singing participated in by patrons of the establishment and ethnic dance provided such dance shall be performed only in conjunction witl� full-sea-vice restaurant dining for patrons seated at tables. "Ethnic dance" shall mean a traclitional and authentic dance performance native to an ethnic cultural group, peformed by dances attired with fully opaque covering over genitals, public area, buttocks and female breasts below the tope of the areola. The maximum number of ethnic dancers shall be the same as the maximum number of musicians permitted by each license class. Class E shall permit the "on-sale" of liquor and "on-sale" of three and two tenths (e.w) beer and shall permit as defined and when carried on in conformit� tivith the ordinances of the city, the sale of food as a restaurant, ancl the use of radio, television, taped music and jukebox. All other devices producing musical sound are prohibited. No live entertainment or dancing shall be allowed. The City of Mounds View has no food to liquor ratio requirement, unless an establishment is with 500 feet of any school or church with an exemption if the establishment has an annual gross food sales of 60% food. The City of New Bri�hton license bowling alleys with at least four regulation size lanes for use by its patrons. however, on-sale intoxicating liquor licenses shall only be issued to hotels and restaurants. A restaurant is categorized between small, medium and large depending on the size (1,500 sq. ft. to 5,000 sq. ft. or more), requires a minimum seating of no fewer than 125 guests at one time and requires that the principal part of the business is the serving of food. Small Restaurant — interior public area of not less than 1,500 sq ft and not more than 2,499 sq ft Medium Restaurant — interior public area of not less than 2,500 sq ft and not more than 4,999 sq ft Large Restaurant — interior public area of not less than 5,000 sq ft Hotels and Motels as de�ned in MN Statutes Chapter 340A with an interior public area of not less than 4,000 sq ft Public Premises — sport, convention or cultural facilities owned by the City Brewpubs — restaurants at which beer is brewed or manufactured for sale on premises in conjunction with sale of food and at which no alcoholic beverages other than beer and wine are sold The City of Richfield has two bowling alleys that currently do not have an intoxicating liquor license, but only sell 3.2% malt liquor. Richfield requires that a restaurant shall be conducted in such a manner that a substantial part of all business activities conducted on the licensed premises far a license year is the serving of food; and that the revenues from the sale of liquor shall not constitute the principal part of revenues derived from all business activities conducted on the premises. Nonintoxicating liquor; beer — On-sale licenses may be granted only to restaurants, hotels, clubs and establishments having food licenses, provided no nonintoxicating malt liquor manufacturer or wholesaler has any interest in such business. The City of Rosemount issues a C1ass B license to hotels and restaurants where 51 % or more of the total revenues are derived from the sale of food and nonalcoholic beverages for consumption on the premises. In the case of class B licenses issued to restaurants operated in conjunction with a bowling center, 25% or more of the total revenues derived from the sale of food and nonalcoholic beverages for consumption on the premises. Total revenues are defined as all revenues from the sale of food, alcoholic beverages and nonalcoholic beverages far consumption on the premises during the hours when the sale of alcoholic beverages is allowed. The licensing was changed in 1999 to try to control bars and saloons and as a result they raised the Class A license to $4,000. Because the bowling center already had a liquor license, the City Council felt they wanted to allow them to keep the license and felt that the majority of their business was from bowling, not from liquor or food, and that is why they said 25% food sales. The City of St. Louis Park defines a restaurant where meals are regularly prepared on the premises and served at tables to the general public which has a seating capacity for at least 30 guests at one time and the principal part of the business is the preparation and serving of food. No on-sale intoxicating liquor license shall be issued unless at least 50°/a of the gross receipts of the establishment will be attributable to the sale of food. If the City Council desires additional research, please let us know. City of Fridley � TO: William W. Burns, City Manager �t�� . FROM: Jon H. Haukaas, Public Works Director DATE: November 20, 2002 SUBJECT: Reconstruction and Maintenance Policies PW02-097 As requested by the City Council, I have put together a summary of policies on the street reconstruction program and street maintenance for their approval. This summary is a compilation of past policies approved by the City Council or based on procedures the City has been operating under for many years. Most of the policy issues on street and right-of-way width and curbing have been affirmed in previous policies and in the street comprehensive plan. In 1975, the City Council approved the statement of City policy on alley maintenance. Also included is the Street Comprehensive Plan for review and approval by the City Council. Street Reconstruction Standards General The City of Fridley conducts an annual neighborhood street reconstruction program to upgrade streets to current needs and standards. The focus of the current program is to bring all bituminous curbed streets to a standard of concrete curb and gutter. Project size is based on funds budgeted annually which currently allows us to reconstruct 1 to 1'/z miles of residential city streets each year. Improvements and repairs to underground utilities will be evaluated and included on a project-by-project basis. Street Width R�ht-of-Way Width Curb, and Section Standards The standard residential street width shall be 30 feet wide measured from face of curb to face of curb. Narrower streets wili be constructed only under special directive by the City Council. Wider streets may be constructed based on traffic volumes or Municipal State Aid Street design requirements. Streets in commercial or industrial areas shall be designed to widths of 36 feet to 50 feet according to their needs. November 22, 2002 Page 2 The minimum right-of-way for a city street shall be 50 feet in existing residential areas, 60 feet on MSAS streets, and 66 feet for commercial or industrial areas. The standard for concrete curb and gutter installation shall be MnDOT design B618, which is a 6-inch-high barrier type curb integral with an 18-inch-wide gutter pan. The standard residential street section shall be 6 inches of Class 5 aggregate base on a compacted subbase. The asphalt shall be installed in two lifts, a 2-inch thick base course and a 1'/2 inch wear course. Larger sections may be installed depending upon the results of soils investigation for each proj ect. Design sections for commercial and industrial areas shall be based on loads and traffic volumes for the specific area. Cul-de-sacs in residential areas shall be constructed to a 40-foot radius to the face of curb and require a 50- foot radius for right of way. Cul-de-sacs in commercial or industrial areas shall be constructed at a 50-foot radius to accommodate large truck turning movements and have a minimum of 60-foot radius right of way. Dead end streets shall be reconstructed to at least meet the minimum street standards for their area - residential or commerciai/industrial. No new dead end streets shall be constructed without provisions and sufiicient right-of-way to allow for turn around of emergency vehicles and sha11 not exceed 600 feet in length. Allevs The city maintains and plows only those alleys that are paved and connect through between two streets. Unimproved alleys; i.e., unpaved alleys, or those alleys that do not connect through to a street, are the responsibility of the property owners using the alleys. Drivewavs Driveway connections will be cut back as necessary to create a smooth transition into the new street profile. Existing j oints in concrete driveways will be used as the match line whenever possible. Driveway width and location will be maintained as much as possible, but minor adjustments will be made at the request of the property owner. Retaining Walls Retaining walls will be reconstructed as part of the project, if necessary, to maintain the grade of the roads. Such retaining walls shall become the responsibility of the City to maintain. In instances where a retaining wall is not necessary, the area shall be graded to a maintainable slope. Ornamental retaining walls shall be the responsibility of the adjacent property owner to maintain. Landscaping Landscaping in front ofproperties shall be restored to its original condition as near as possible. Obstructions in the right-of-way in violation of city ordinance or policies will not be restored within the right-of-way but may be restored on the adjacent owner's property at their request. COMPREHENSIVE STREET PLAN The Comprehensive Street Plan establishes criteria for the maintenance and replacement of City streets, alleys and sidewalks. While maintenance of these assets is frequently the most desirable action, there are occasions when replacement may be more desirable. Accordingly, the plan provides a format for analyzing the City assets and defining a method for establishing the condition of each. This data is then used to determine which course of action is most cost effective. The plan also provides criteria that will be used to determine the method of funding the repair and/or replacement of these assets. This plan consists of two parts. The first part is an "on going" plan which outlines the policies for replacement, repair and maintenance of streets, alleys and sidewalks. It establishes criteria to be used to prioritize and fund various projects. The second part identifies the street, alley and sidewalk inventory for the City. It also provides historical construction and background information as well as the current condition of each segment. Part 1: Policies for Repair and Replacement of City Streets, Alleys and Sidewalks Street Reconstruction A street is defined as that portion of the paved surface within the right of way that has been constructed in accordance with the plans approved by the City Council. The limits of the improved street shall be delineated by the alignment of the back of the concrete curb and gutter of permanent streets and the outer edge of the bituminous edging of non-permanent streets. That area of right of way or similar street easement between the street and the adjacent property lines shall be considered boulevard. By City Code, it is the responsibility of the adjacent property owner to maintain the boulevard including all vegetated areas and paved driveway connections. For the City to accept responsibility for a street as a public City street, it must be built according to the City's right-of-way and construction standards unless, by separate agreement, the City has determined that lesser right-of-way or construction standards are acceptable. Where the City is reconstructing permanent streets that have been built to the City's right-of-way and construction standards, it will pay at least 75% of the reconstruction costs. The remainder of the cost, approximately 25%, shall be assessed to benefitting property owners. In cases where the City is reconstructing non-permanent streets (those streets that do not meet the City's right-of-way and construction standards), the property owners will be assessed for the cost of installing concrete curb and gutter at a rate determined by the City Council. In reconstructing permanent and non-permanent City streets, the City will inspect and address deficiencies in the utilities that have been placed below the surface of those streets. -1- A�poL'cy�c.streetpla Storm and sanitary sewers should be televised to find any problem areas and problem areas should be corrected. The gas company should be invited to replace the gas services/mains and should be notified early in the planning process. Old galvanized steel water services should be replaced with copper. Storm sewers should be installed or expanded as necessary. The streets should be constructed with a plant mixed bituminous surface and barrier type concrete curb and gutter. The surface width and design strength should be based on the functional classification of the street and traffic volumes. The standard for local residential streets will be 30 feet wide on a 50 foot wide right of way. Cul-de-sacs will be constructed on a 50 foot radius right of way. All local streets will be designed for 9-ton axle loadings. Collector streets should generally be constructed 32 to 52 feet wide, depending upon parking needs, and designed for 9-ton axle loading. Deep strength bituminous base should be considered where economically feasible. Street reconstruction projects should be routinely scheduled through the Five Year Capital Improvement Plan. Special assessments for street improvements are normally payable over a 10-year period and computed on the front foot assessment method. The front foot for pie shaped lots will be established at the building setback line. Side yards will not be assessed. Street Reconstruction Policies: 1. Public streets shall be reconstructed when any of the following conditions exist: a. A permanent street which has been damaged or has deteriorated to the point where it cannot serve its intended purpose at a reasonable service level, and lesser repairs are not practical. b. A non-permanent street which has been damaged or deteriorated to the point where it cannot serve its intended purpose at a reasonable service level. c. Residents along a non-permanent street petition for an improved street with drainage and concrete curbing. d. An existing street poses a threat to the safety, health and welfare of the general traveling public. 2. The City shall not continue to provide extraordinary maintenance on streets which are in need of reconstruction. 3. Storm and other needed underground utility improvements shall be included as part of the reconstruction. 4. Only barrier type concrete curb and gutter shall be installed. .2, AIP��9Ic-sh�eetptn 5. The reconstruction cost shall be financed by special assessments and City funds. a. At least seventy-five percent of the reconstruction cost of permanent streets shall be born by the City and the remainder specially assessed. b. One hundred percent of the bituminous surfacing, grading, base, and storm sewer costs on non-permanent streets shall be born by the City. Normally, concrete curbing and gutter should be specially assessed. 6. Assessments shall be made on the front foot assessment method. 7. Assessments shall be payable over a 10-year period. Bituminous Overlavs: There are two main problems associated with overlaying. One problem is the buildup of bituminous material at the curb line which gives the curb a sunken appearance. This condition traps debris which cannot be easily removed by the street sweeper. Many communities have gone to "wedge cutting" the existing surface at the curb line to eliminate this buildup. Wedge cutting completely eliminates the problem of bituminous buildup but is an additional cost item. The "wedge cut" is made with a large pavement milling machine which planes a wedge shaped cross section of bituminous material off the pavement along the curb line before the overlay is placed. The second problem with bituminous overlays is commonly referred to as "reflective cracking." Reflective cracks are cracks in the old surfacing which come through the new overlay, usually within a year's time. The main type of crack which reflects through is the transverse thermal crack. Consequently, if a street has a lot of this type of cracking, a bituminous overlay will not maintain a smooth appearance for very long. Reflective cracking seems to occur more frequently on collector streets than local residential streets. This may be caused by the thinner surfacing of local streets and the tendency to develop many hairline cracks instead of the larger transverse thermal cracks. In addition, reflective cracking is more serious on collector streets than local streets because traffic wears the cracks larger once they have formed. A number of different methods have been tried to eliminate reflective cracking, all with various degrees of success. As a result of the reflective cracking problems, bituminous overlays are not always the solution to a badly cracked street. This shortcoming must be considered in the policies for bituminous overlay. The policies to be used for bituminous street overlaying are as follows: .3. A�PuHcY�c-slreetpin Bituminous Street Overlay Policies: l. Non-permanent streets shall not be overlayed. 2. The surfacing of permanent City streets shall be overlayed with a minimum of 1%2 inch bituminous overlay when any of the following conditions exist: a. The surface is developing extensive map cracking as a result of traffic loading or insufficient surface thickness. b. The surface lacks a proper crown for cross drainage and standing water causes problems. c. The existing curbing is in need of replacement and the surfacing would benefit from an overlay. 3. The potential for serious reflective cracking shall be checked prior to scheduling bituminous overlays and appropriate preventive measures taken where necessary. 4. The edge of the bituminous surfacing shall be "wedge cut" prior to overlaying to prevent a buildup of bituminous material at the curb line. 5. The cost of overlays shall be paid from City funds. CONCRETE STREETS The bituminous patching of concrete streets makes these streets smoother riding, but the black bituminous over white concrete produces a very unattractive surface. The broken concrete street panels are normally confined to certain areas of the street. This is probably a result of poorer sub soils in these areas; however, when one panel breaks and settles, a greater stress is imposed on the adjacent panels causing them to eventually break also. This is the main reason broken panels should be repaired. Concrete street repairs should be funded in the same manner as overlays ar bituminous streets. Although a broken panel may be localized to 2 or 3 areas of the street, the cost of concrete street repair will probably be about the same as a bituminous street overlay. The policies to be used for concrete street repair are as follows: Concrete Street Repair Policies: 1. Bituminous patches will only be made on concrete streets as a temporary repair. -4- A:�policy�c-s4eetpin 2. The concrete panels of City streets shall be repaired or replaced when the panels have severe multiple cracks and settled sections. 3. Sunken portions of concrete panels will be mud jacked to obtain realignment and base stabilized wherever feasible. 4. Concrete panels shall be replaced with new poured concrete panels. The cost of concrete street repair shall be paid from City funds. DEAD END STREETS Maintenance of dead end street shall follow that of through streets provided certain basic criteria are first met, namely: 1. There exists sufficient right of way to satisfy city standards. 2. Non-permanent streets must at least meet the minimum street width standards. 3. Far permanent and non-permanent streets, there needs to exist sufficient space at the end of the street for winter snow storage. CURBING Curbing is important to carry storm runoff drainage, to protect the edge of the street from breakage and erosion, and to provide a guide for snow plowing. The standard concrete curb and gutter is B-618 (barrier) concrete curb and gutter. Bituminous curbing is not a permanent curbing and should not be used for replacement purposes. Bituminous curbing is less durable than concrete and gets scarred and broken from snow plowing. As a result, the bituminous curbing on the older City streets is generally in poor condition. Bituminous curbing should be replaced if a street is in need of an overlay and if the curbing is in very poor condition. For example, an overlay should extend the surface life for 10- 15 years. If the bituminous curbing is aiready poor and could not be expected to hold up for another 10 years, it should be replaced prior to the overlay. Conversely, the curbing on a street should not be replaced until the surfacing is in need of an overlay. This is because the process of removing the bituminous curb and instailing concrete will necessitate the removal of some surfacing. Curb replacement should also be considered if petitioned for by the affected property owners. It's always much easier to make an improvement if it has the support of the people who will be paying a portion of the cost. -5- A�Policy�c-streetpin Bituminous curb replacement should be funded by special assessing the cost on concrete curbing. Assessing less than the full cost is not consistent with the street reconstruction policy. Curb replacement and bituminous overlaying should be scheduled annually in the Five Year Capital Improvement Plan. Prior to construction—any sanitary sewer, watermain or storm sewer repairs or replacement should be made. For example, minor drainage problems may be feasible to repair prior to repairing the street. All of these items should be repaired, if feasible, prior to improving the street surfacing. The policies to be used for curb replacement are as follows: Curb Replacement Policies: 1. The curbing on public City streets shall be replaced when any of the following conditions exist: a. The existing condition of the curbing poses a threat to the safety, health or welfare of the public. b. The street is in need of a bituminous overlay and the existing curb has been damaged or deteriorated to the point where it does not adequately hold the boulevard and carry drainage, and repairs are not economically feasible. c. When residents along a street with badly scarred and broken up bituminous curb petition the City for an improved street with concrete curbing. 2. Badly broken and settled sections of concrete curbing on permanent streets shall be repaired or replaced on all streets scheduled to be overlayed or sealcoated. 3. Curb sections which are only settled and can be corrected by raising and filling will be repaired by the City Street Section. 4. Concrete curb sections which are badly cracked or settled and cannot be raised shall be removed and a contract let for the replacement work. 5. All curbing shall be replaced with barrier type concrete curbing. 6. The curb repair work shall be funded as follows: a. On overlay projects, the cost of replacing concrete curb sections shall be paid from City funds. b. All repair and replacement of concrete curb sections on sealcoating projects and all removal costs on overlay projects shall be paid from City funds. -6- �Ino��51c•Ba�eecpm c. Bituminous curbing will be replaced with concrete curbing to be special assessed. 7. Assessments shall be based on a front foot assessment method. 8. Assessments shall be payable over a 10-year period. MAINTENANCE PROCEDURES The type of maintenance referred to in this section is surface patching, crack filling and sealcoating programs. These maintenance procedures are included in the comprehensive street plan because they directly affect the serviceability of the street as well as the surface life. On a one-time basis, maintenance is the cheapest approach to improving serviceability of a street, as opposed to complete reconstruction, the most expensive. On the other hand, if maintenance is extensive or is required on a continual basis, reconstruction, or something in between, such as an overlay may be more economical in the long run. A typical example is patching and sealcoating a street several times, which really needed an overlay. Over a period of time, the patching and sealcoating is more expensive than the bituminous overlay which eventually has to be done anyway. This type of practice results in a waste of maintenance dollars and often a neglect of maintenance on necessary streets due to staff limitations. One of the main benefits of the comprehensive street plan is that it will identify the most economical balance of maintenance and surface improvements to sustain our street system. Presently, we can provide an adequate level of maintenance on all City streets with our existing street maintenance section. Provided needed reconstruction, overlaying, curb replacement, etc., is done when needed, we should be able to continue to do so in the future. Surface patching and crack filling of bituminous surfaces are accomplished with City forces and sealcoating is completed by contract. Street patching and crack filling begins in about April and runs through September, depending upon weather conditions. Temporary repair and filling of pot holes in early spring is not included as it is generally not permanent if done before the frost is out of the ground. Patching and crack-filling is seasonal and labor intensive and therefore, part-time summer augmentation is used. This includes all preparatory work for sealcoating and overlaying. Patching is done with finely graded hot asphalt material. In addition to patching broken out sections of surfacing, skin patching is performed to level surface settlements particularly prior to sealcoating. Liquid pour crack filler is also used on deep narrow cracks. SEALCOATING An annual sealcoating contract is let in mid-spring. Funds are budgeted in the Street Section and the amount of sealcoating that can be accomplished each year is predicated on the funds authorized. .7, A�PoL�Y,c-s�eetpin Sealcoating is done by spraying bituminous oil on the street and covering it with a granite/trap rock material and then roliing. The surface is then allowed to set for a period before the excess rock material is removed. When the excess rock material is swept up, the sealcoat forms a new waterproof surface with a uniform color and texture. The surface thickness is less than '/4 of an inch and adds no strength to the street. Consequently, if the street is cracked from traffic loading, the sealcoat will only serve as a temporary measure. If the surface is cracked from weathering, thermo cycling and general aging, the sealcoat will provide a more permanent fix. The following general maintenance policies shall apply for patching and sealcoating of city streets: Maintenance Policies: 1. The City Street Section shall provide a reasonable and proper amount of maintenance on all City streets with the following exceptions: a. Streets scheduled for reconstruction shall not be patched and sealcoated. b. Streets in need of bituminous overlays shall be patched but not sealcoated. 2. The City shall sealcoat approximately one-�k twelfth of its total mileage each year if the criteria for sealcoating is met. 3. Streets shall be sealcoated for any of the following reasons: a. The street has extensive cracking and a sealcoat would seal off moisture from entering the road base and further deteriorating the surface. b. A street surfacing is dry and oxidizing and surface wear from traffic and weathering is becoming appreciable. A sealcoat would rejuvenate the old surfacing and provide a new stable surface layer. c. A street is very blotchy from leveling surface settlements, patching utility repair excavation, etc., a sealcoat would provide a thin new surface with uniform color and texture. 4. The City Street Department shall do all preparatory work for sealcoating. Sealcoating shall be accomplished by contract. 5. All patching and sealcoating shall be funded through the Street Maintenance budget, or other funds, if appropriate. SLURRY Slurry application is another alternative for maintaining the asphalt pavement. It is normally more expensive than sealcoating but does have certain advantages. Slurry is a mixed application : A�policy�c-slreetpin of emulsion and aggregate squeegeed on the asphalt surface. It is more smoother and has a tendency to fill smaller cracks and pavement imperfections. Slurry is best applied to newer surfaces to protect for weathering, thermo cycling and general surface aging. The following general maintenance policies shall apply for patching and slurry sealing of City streets. Maintenance Policies: l. Streets shall be slurry sealed for any of the following reasons: a. A street has a new surface that is dry and oxidizing and surface wear from traffic and weathering is becoming appreciable. b. The street has been constructed or overlayed within the past 5 years. a The street is very blotchy from leveling surface settlement, patching, utility repair, excavation, etc., a slurry coat will provide a thin new surface with uniform color and texture. 2. The City Street Section shall do all preparatory work for slurry sealing. Slurry sealing will be accomplished by contract. 3. All patching and slurry sealing shall be funded through the street maintenance budget, or other funds, if appropriate. PUBLIC ALLEYS Public alleys require surface maintenance and periodic repairs just like streets and should be covered in a comprehensive street plan. We receive several complaints each year on the poor conditions of the non-permanent alleys and it would be desirable to have firm policies for addressing these concerns. The permanent alleys should be patched and maintained by the City the same as permanent streets. However, nothing should be done with the non-permanent alleys. We should not be spending limited maintenance dollars on alleys if they have never been improved to a reasonable maintenance free condition. Property owners who desire an improved alley can petition for an alley improvement. The alley would be constructed to a 12 foot width of bituminous asphalt surface with an inverted crown down the center for drainage. Since alleys serve primarily a private purpose, the cost of a11ey improvements are 100% special assessed to the abutting properties. The policies to be used for alleys are as follows: � A:�policy�astreetpin Public Allev Policies: 1. The City shall not upgrade or maintain a non-permanent alley with maintenance funds. 2. Alleys shall be considered for construction only when petitioned for by the adjoining property owners. 3. Alley reconstruction projects shall be scheduled through the 5-year Capital Improvement Plan to coordinate with other contracts, if possible. 4. Alleys shall be reconstructed to 12 foot width. Bituminous surfacing will be used, with an inverted crown to carry drainage down the center. 5. The cost of the alley replacement shall be 100% special assessed. 6. The assessments shall be made on the rear foot assessment method. 7. Assessments shall be payable over a 10-year period. SIDEWALKS The City's system of sidewalks is fairly new and in good condition. However, occasional replacement of settled panels will be necessary for safety reasons. This would be done as part of regular maintenance. Because of the high cost of construction and maintenance, additions to the skeletal sidewalk system should be well planned. As the name implies, the skeletal sidewalk system should extend throughout the City connecting major activity centers such as parks, schools, churches and commercial establishments. The sidewalk should generally be located along collector streets or minor arterials which are well lighted and provide safety through the higher level of activity. Pedestrian volumes and safety needs are generally not great enough to wanant the construction of sidewalks within residential neighborhoods. The City should resist pressure to construct skeletal system sidewalks in locations which do not meet the policies. All skeletal system sidewalks should be designated by City Council resolution. If residents desire a sidewalk along their street, they can petition the City Council. The policies to be used for construction and maintenance of skeletal system sidewalks are as follows: Sidewalk Policies: 1. The City shail identify all sidewalks which shall be part of the skeletal sidewalk system by resolution. -10- A�policy`c-ah�eetpin 2. Addition to the skeletal system shall meet the following criteria: a. Skeletal sidewalks shall connect major activity centers such as schools, parks, churches and commercial centers. b. Skeletal sidewalks shall be located along collector streets and minor arterials which are well lighted and provide personal security through the higher level of activity. c. Additions shall be designated to connect to the existing system and systems of other communities whenever possible. 3. Residents may petition for sidewalks along their streets. 4. Normally construction of sidewalks shall be specially assessed based on a front foot assessment method. 5. All sidewalks shall be concrete with a 5-foot width minimum. 6. The City Street Section shall maintain the skeletal sidewalk system. Maintenance shall include but not be limited to the following: a. Clearing sidewalks of snow and large debris from storms. b. Clearing the sidewalk space of overhanging tree limbs. c. Replacement of settled panels which could pose a safety hazard as part of regular maintenance. d. Signing and stripping crosswalks. BIKEWAY/WALKWAYS The City's bikeway/walkway system provides a connecting link with major parks, schools and regional trail systems. These bikeway/walkways are constructed in accordance with the established City plan and with funds provided for that purpose. The policies to be used for construction and maintenance of the bikeway/walkway system are as follows: Bikeway/Walkway Policies: 1. The City Council shall approve all bikeway/walkways within the City. 2. The bikeway/walkway system shall consist oi -li- A:�PoL�9�c-s4eetple a. Routes—identified by signs. b. Lanes—painted stripes on the existing roadways. c. Path—eight foot bituminous paved surface with 2-foot soil shoulders on each side. 3. Motorized vehicles and equipment are not authorized on a bike path except for maintenance and repair purposes. 4. Construction of bikeway/walkways shall be by special funds on City Council's direction. 5. Residents may petition for a bikeway/walkway with 100% special assessment. 6. The City shall maintain the bikeway/walkway system. Maintenance shall include, but not be limited to the following: a. Clearing the bike pathway of overhanging tree limbs and vegetation. b. Patching and repairing of the pavement surface. c. Signing and striping of routes and lanes. 7. Maintenance and repair of the bikeway/walkway system shall be funded in the City budget. A�Pou�9�c-e4eetpin -12- INVENTORY GENERAL The second part of the comprehensive street plan is the inventory. The street data is maintained in a separate document. Street Inventorv Report: The street inventory report identifies each segment of the street, alley and sidewalk, providing specific information on the class, type, right-of-way, length, surface width, curb type and the thickness and year of construction for the base, binder course, wearing course, overlay and sealcoat. As overlays and sealcoats are applied, each application is recorded separately. Also included in the report is the traffic volume, year recorded, maintenance work by month and year, plus the surface condition and riding quality. The surface condition and riding quality provides the basis for establishing the surface rating of each segment. This rating is the prime factor in conjunction with age and the maintenance record in establishing the priority of streets requiring overlay or sealcoating or reconstruction. SUMMARY These inventory records are very helpful in reviewing the plan policies to determine how successful or unsuccessful sealcoating and overlays have been in serving their intended purpose over the years. The last source of information for evaluating our streets and developing policies come from our own personal experience, either directly from citizen complaints or from our maintenance personnel. With the formal adoption of the comprehensive street plan, the City has a rationale and formalized procedure for maintaining, repairing and reconstructing the public access system. July, 1996 Revised August, 2002 -13- z►:Inoucylc-eaeecpm City of Fridley TO: William W. Burns, City Manager �f �% �� :� FROM: Jon Fl.�aukaas, Public Works Director DATE: November 20, 2002 SUBJECT: Water System Update: New Regulation affecting Our Deep Wells Statement of the Issue I�L�LIY.a1L'I.� The federal EPA has revised several standards of drinking water quality to be phased in over the next several years. The majority of these updated rules have no effect on our system, with the exception of a lower standard for radionucleides; i.e., radium - a naturally occurring substance in the geologic formation of the ground in our area. The water being drawn from the deep wells (2, 3, 4, 5) at the Commons Park Well Field has been tested and found to have radionucleides in the range of 6-8 pCi/L. The new standard to be met by 2007 is 5 pCi/L. Treatment Options There is currently no Best Available Technology for the removal of radionucleides but several options exist depending on the size and type of water system. For large systems such as Minneapolis, a full softening operation is effective at controlling radionucleides. For a small system such as Fridley's, the following three options are used. Potassium Permanganate: The addition ofpotassium permanganate has been used in some systems for the removal of radionucleides. This method has very limited effectiveness in our type of system and would increase the level of existing manganese even higher. Manganese is a harmless naturally occurring black mineral prevalent in our water that sediments out onto the walls of your houses plumbing and can break loose as small rocks that collect on and clog faucet screens. Manganese is also the primary cause of "black water" complaints our water department receives. 2. Green Sand: Green Sand is the common name for filter media properly called Gluconite. This filter media is a special coated sand used to increase the removal of manganese. Green Sand is about five times as expensive as standard silica or anthracite filter media. Currently five of the seven filters at the Commons Filter Plant are Green Sand fiiters. November 20, 2002 Page 2 The problem in converting the last two filters to Green Sand for removal of radionucleides is that the media becomes radioactive over time as it collects the radium. This then must be disposed of as hazardous waste every 12 to 15 years and replaced. The chemical reaction that removes the radium produces radon. We would need building modifications to properly exhaust the radon. Special personal protective equipment and monitoring equipment will need to be purchased for continuous measuring of the level of radioactivity in the filters. 3. Hydrous Manganese Oxides (HMO) Addition: Our existing system can be modified with the addition of another chemical feed system to add HMOs to the water for the sorption of radium onto our existing filters. The radium is thereby filtered out as a particle and discharged during backwash operations to MCES at safe levels. In addition to the changes in the chemical feed system, we would need to upgrade the backwash electronics and valving components for the increased sensitivity required for these operations. Most of these components are wearing out and causing maintenance problems. We often need to perform backwash operations manually due to breakdowns. This is not a viable option under the increased complexity of operation associated with the radium removal. Recommendation The City should begin a study of the HMO addition option immediately as this would be the most economical solution for our water supply system. Tonka Equipment is a local water supply equipment company we have worked with several times in the past. They provided the equipment for the original well 12, had the contract for upgrading five of the filters at the Commons Park Filter Plant in 1988, and also the contract for refurbishing Locke Park Filter Plant. Tonka Equipment has the ability to conduct a one-week pilot project on our system to determine the effectiveness of the HMO addition treatment option. They can provide the equipment and training for our personnel to operate the pilot study at a cost of less than $7,000. Assuming the result of the pilot proj ect is positive, the City should budget $180,000 in 2004 for replacement of the backwash electronics. In 2005, $200,000 should be budgeted for the replacement of filter valves and actuators. Finally, in 2006, $70,000 needs to be budgeted for the modification and installation of additional chemical feed systems. This phased approach will allow the City to maintain the integrity of our existing system and be in compliance with the new regulation by its 2007 inception without expending an excessive amount of capital at one time. JHH:cz City of Fridley TO: William W. Burns, City Manager �� FROM: Jon H: Haukaas, Public Works Director DATE: November 20, 2002 SUBJECT: Water System Update: Shallow Well TCE Contamination Back round PW02-095 Since 1982, when the EPA established new standards and testing requirements for municipal water supply systems, we have known about and been dealing with the ground water contamination at the Commons Well Field. The volatile organic compound (VOC) contamination of concern in our area is trichloroethylene (TCE). This has affected the shallow wells numbered 6 through 9. When first identified, the Minnesota Pollution Control Agency (MPCA) conducted several tests in the area including soil testing around we119 (the well with the highest readings) and the installation of six monitoring wells; three in the Commons Well Field, one on the well number 1 property on Cheri Lane, one at Terrace Park on 7`'' and 67t'', and on the Totino Grace High School property. The monitoring wells were installed in an attempt to determine the source of contamination. No conclusive source was found to identify a responsible party. While the ground water flow comes generally from the northwest in the direction of TCAAP, both the EPA and MPCA insist that it is not the source of contamination because the chemical "signature" of the water is different. In 1986, the City took we119 off line and only uses it as the last well brought on line during times of highest peak demand by blending it into our system. We119 is activated annually for testing but the water is not put into the system. Wells 6, 7 and 8 also showed contamination at lower levels. We have found that heavy continual pumping of any single one of these wells seems to draw the contamination in and away from the other wells. Therefore, these three weils are used one at a time on a rotating monthly basis and blended into our system. In 1994, the New Brighton ground water treatment plant came on line. The operational plan for the New Brighton well system was for heavy pumping and ground water treatment to contain the contaminant p�ume from TCAAP. Since that time we have seen reducing levels of contaminants in our well field. November 22, 2002 Page 2 In 1999, the Fridley Commons Well Field was upgraded to the EPA Superfund Priority List. Additional testing and investigation was conducted in an attempt to identify responsible parties. This investigation was again unsuccessful. Current Situation Congress did not re-authorize the Superfund legislation in its last budget. Therefore, the EPA regions no longer receive money to distribute locally based on their priority lists. An annual appropriation funds Superfund from a rational perspective. All proj ects are ranked and compared on a nationwide basis. Those projects with an immediate serious health threat and identified responsible parties are given top priority. The bottom line is that Fridley will not be receiving any federal superfund money for the Commons Wel1 Field in the foreseeable future. The EPA is willing to name every business within the well supply zone that used TCE as a possible responsible party whether there is evidence of a leak/spill or not. This would make for a very long drawn out process without guaranteed results and will create a lot of bad feelings against the City. The process could last as long as 10-20 years and no action would occur until all possible monies are collected. We are strongly recommending against this route. Possible Future Actions The MPCA has set aside some money for the local match on what we had hoped to receive. We are discussing using this money as a grant for a feasibility study and design of a smaller treatment facility either at the Commons plant or at well 13 in the South Industrial area. Well 13 is also currently a backup we11 brought on line only during periods of highest demand and blended into the system due to the presence of TCE and high unfiltered iron and manganese content. The City would ultimately be responsible for the plant construction costs. The feasibility study would look at adding a treatment system at Commons plant or at well 13. There are really only two treatment options available for a system of our type and size for the removal of VOCs. These include a Granular Activated Carbon filtration plant or an Air Stripping plant. Air Stripping is a process that removes the VOCs from the water and exhausts it into the atmosphere. This has not been discussed as an option for the Commons plant due to its close proximity to the schools. Both options require additional filtration to remove iron and manganese. A GAC plant addition at Commons would require a building expansion to house the new system. This would nearly double the size of the treatment plant and cost several million dollars. We would, however, have full use of all four of the shallow wells (6-9) at this site which are our most efficient and economical wells. November 20, 2002 Page 3 An Air Stripping plant could be constructed at well 13 along with a new filter plant. Air Stripping is significantly cheaper than GAC treatment. Well 13 is also an efficient and economical we11. In addition, we could accept the effluent from the FMC ground water treatment wells. This water has been treated for VOCs to water quality standards but would need iron and manganese removal prior to being added to our system. This water is currently discharged directly into the Mississippi River. Well 13 has space and well capacity to be an excellent producer for the City. A plant similar to Filter Plant 3 at TH 65 and 73 '/z Ave could be built on that sight for approximately $2-3 million. Recommendations So far, the City has been able to make due with our current system and avoid any violations of water standards. This has been done at the expense of using our less efficient and less economical deep wells. Future water demands will determine how long we can continue in this manner. We can hope that the current trend of natural attenuation and the pump and treat system in New Brighton continues to reduce the level of TCE in our ground water. However, in the meantime, we must keep looking for our own solution to this problem. Recommend the City Council authorize the Director of Public Works to work with the MPCA on a grant basis to have a feasibility study conducted to determine the best treatment option and location for the removal of TCE from our water supply source and complete design of such a system. Construction plans could then be held "on the shelf' until such time as the City is in a position financially ar based on needs to add system treatment and capacity. � '1.I:i�