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The next item on the agenda was the consideration of Tentative Subdivision Map; Tract No. 2639 (Fairlanda). In giving the staff report, Mr. Campbell pointed out that due to the negotiations that are currently under way relative to the sanitary sewer and water service for this tract and the extensive storm drainage problems encountered, many of the engineering problems have not yet been solved for this tract. Mr. Campbell then gave a resume of City action on this tract up to the present time. It was then pointed out that with 1,218 dwelling units permitted and 854 R-1 lots shown on r_he proposed Tentative Map, this would permit a total of 364 apartment units. If these were evenly distributed on the areas zoned RG, there would be 20 unite per acre. This would mean about 82 unite on the 4.1 acre parcel that has frontage only on Santa Rita Road. This could present some traffic prob- lems on the six-lane major thoroughfare that Santa Rita Road is planned to be. A peak hour traffic volume of 950 vehicles near Santa Rita Road has been predicted, decreasing to half this amount one mile east by 1990 on the east-west street (Pine Avenue Extension) in this tract. Direct access from the 71 R-1 lots facing this street, in addition to the 21 aide streets intersecting this one mile stretch of planned four lane thoroughfare conceivably could present some serious traffic problems if traffic predictions hold true. Staff also recommended that the streets serving the cul-de-sacs backing up to the park and greenway be considered as resi- dential collectors and increased to a width of 50 feet. The large storm drain lines that cross lots should be constructed entirely within a single Lot and these lots should be increased in width to accommodate the 10 foot wide easement that will be required. Staff recommended elimination of parking pocket £or diagonal parking of care shown along the narrower park frontage because no more than two parking spaces would be gained and because of the problems caused by diagonal parking. Staff further requested that the City Engineer be authorized to modify the City's existing Standard Specifications and Details in applying them to this subdivision in order to allow for modern materials, methods, and design criteria ae may be required. Reference should be made to the 1960 Standard Specifications of the California Division of Highways, rather than the 1954 edition. It was recommended that streamlined underground electrical distribution systems be used in this development. The Planning Commission should reserve the right to require full underground on major electrical distribution lines in this tract if they are needed and if the Planning Commission determines that it is economically feasible and desirable to place them underground. It was recommended that all in-tract easements be granted as public service easements with no reference to specific use. Because of the problems that remain to be solved concerning sanitary sewers, water and storm drainage, the City Engineer recoms~ended that the Planning Commission withhold approval of these facilities until solutions are worked out, at which time the Tentative Map would once again be brought before the Planning Commission for their review. Mr. Campbell requested that a minimum lot size be specified and that it would aid the staff in Final Map checking. Street names have not been submitted ae yet. The map will be brought before the Commission again for street name ap- proval after the Developer completes his list of street names. The development shall conform to all applicable ordinances and regulations of the City of Pleasantor. and all other ageaciea.having jurisdiction. After considerable discussion between the Commission and Mr. Ted Fairfield, it was concluded that the minimum lot size would be 6200 sq.ft.; 7340 sq.ft. minimum average lot size. Also, that the ped- estrian walkways would be acceptable as LO feet in width if only one lot in depth. If the walkways are two lots in depth, they shall be increased to 15 feet in width. The streets serving the cul-de-sacs backing up to the park and greenway be con- sidered ae residential collectors and be increased from 46 to 50 feet in width. Regarding pedestrian walkways, after discussion and approval from Dr. Ray Haskell, it was decided to delete the walkway shown on tl:e map ar. mid-block. ?t was felt this mid-block walkway could create a false sense of security and, as a result, create more problems. Mr. Fales then pointed out that the Commission should amend Resolution No. 360 to include the minimum lot size and minimum average lot size in the Planned Unit Development. After discussion by the Commission, upon motion of Chairman Landon, seconded by Commissioner Antonini, the following resolution was adopted by unanimous vote of those Commissioners present: RESOLUTION N0. 389 RESOLVED: The City Planning Commission hereby amends Resolution No. 360, Pleasanton Investors, 582 Market Street, San Francisco, for a 2;oning Permit with Planned UniC Development Approval for the area of Tract PIS, 2639, to add ~:he following: 3. The minimum lot size small be 6200 sq. ft., and the average lot size shall be 7340 sq.ft.