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(2) Where special circumstances exist, deviations from the standards will be subject to approval by the cty en.q. neer ,-.-.-..--'"'h~= ...... ..v...v"- ~,._.'~'-'-'-'*'---'-*.,.,_,,. after aR review, (3) Streets shall be designed to provide for adequate lane delineation, street sweeping and drainage control. Normally a standard crown section with concrete curb and gutter on both sides will be required; however, other means of providing similar functional characteristics may be considered. (4) Depressed approaches shall be used at all driveways where streets have curb and gutter. (5) Concrete sidewalks shall be provided reasonably adjacent to the roadway unless other means of accommodating pedestrian traffic are provided in the development. (6) Lighting adequate for pedestrian and vehicle safety and sufficient to minimize police problems shall be provided. The level of illumination for pedestrian and vehicular safety shall be as approved by the public works department. All lighting power costs shall be borne by the homeowners' association. (7) All area and street lighting shall have underground service. (8) Adequate provision for public and private utilities shall be made i__Q accordance with current approved standard plan for private streets. A separate document dedicating exclusive public utility easements to the city shall be provided when required, in order to eliminate any conflict of rights between city utilities and other public utilities. (9) Where it is proposed to reduce street widths by the elimination of curbside parking, equivalent parking shall be provided by other means, subject to approval by the city. (10) Provision shall be made for trash pick-up vehicles and emergency vehicle access as required by the department of public works. (11) Signs, subject to the approval of the city, shall be provided and maintained at all entrances to private streets clearly designating the private status of such streets and the street names. (b) Minimum widths. (1) With parking on both sides: Thirty-six (36) feet curb to curb. (2) With parking on one side only: Thirty-two (32) feet curb to curb. (3) Without parking: Twenty-eight (28) feet curb to curb. (c) Grades. (1) Desirable maximum: Six (6) percent. (2) Maximum: Six (6) percent for special circumstances with approval by the public works department. (3) Minimum: Two-tenths (0.2) percent. (4) Provide vertical curves for grade breaks over one (1) percent. (d) Alignment. (1) Streets shall normally intersect at right angles and shall have at least twenty ~*".,.,, 2(~_Q69) feet of tangent adjacent to intersections. The tangent Ordinance No. NS-2482 Page 11 of 16