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Minutes of the Arden Hills Regular Cormeil Meeting, 2-10-92 Page 6 TILLER (Cont'd) Circle suggested Tiller may not have received routine . maintainence; asked if the city was negligent in maintaining the street, would the Council consider amending the assessment policy to a 60/40 split. Acting Mayor Malone explained the percentage is established in the assessment policy and would not be amended. He advised the road is approxiInately 38 years old and norrral life span of a street is 20 years. Public Works SUperintendent Winkel advised the road has been sealcoated over the years. Bob Emery, 1138 Tiller Lane, explained he has lived on this street since 1954 and he favored a decent roadway. He questioned what the cost per front foot is for =b and gutter installation. Emery =rrnented the other end of the street may request bituminous surface. 'Ihe Engineer stated it is approxllnately $5.00 per front foot. Ray York, 1151 Tiller Lane, stated his preference would be for a professional job of street reconstruction for future residents. He explained the street has been patched on several occasions and indicated it should be "done right". Wayne Vaughn, 1326 Tiller Lane, stated the residents may not have a problem with the reconstruction if they had not seen hew good Carlton Drive looks with only bitmninous overlay; agreed the upper portion of Tiller Lane may need reconstruction, rot not the the lewer portion of the street. . Acting Mayor Malone asked for further =rrnents from the floor and hearing no response, closed the public hearing at 8:30 p.m. Engineer Maurer attempted to answer all citizen questions: - 'Ihe installation of concrete =b and gutters was discussed in conjunction with the adoption of the assessment manual. Council detennined the standard for a typical City street should include curb and gutter, whether it is new street construction or reconstruction of an existing street. He advised the rationale for such installation was that curb and gutter is an important part of the drainage system and protects the edge of the roadway. Maurer advised the soils belew the existing roadway on Tiller Lane absorb moisture and holds it; lack of curb and gutter provides more opportunity for erosion of the roadway edge. - 'Ihere are no "shortcuts" for street reconstruction. Deterioration of the street accelerates if the street is not property constructed. - 'Ihe soil engineer advised that 18 inches of co=ective material should be sufficient to support existing traffic on Tiller Lane. A porous material will be placed over the existing soil. 'Ihe material will allow pass water, remain dry and provide necessary support f= the roadway. - 'Ihere was no significant difference in the subsurface material along the . length of Tiller Lane. 'Ihe soils report does not address the existing roadway conditions; those were identified during the Pavement Management review program.