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PLANNING BOARD MINUTES OF MAY 28, 1986 The meeting of the Lexington Planning Board, held in the Selectmen's Meeting Room, Town Office Building, was called to order at 7:42 by the Chairman, Mrs. Uhrig, with members Cripps, Klauminzer, Wood, Planning Director Bowyer, and Secretary Peters present. Mr. Sorensen was absent. 147. Approval of Minutes: On the motion of Mrs. Wood, seconded by Mr. Cripps, it was voted 4-0 to approve, as corrected, the minutes of March 31 and May 19. On the motion of Mrs. Wood, seconded by Mrs. Uhrig, it was voted 4-0 to approve, as presented, the minutes of March 24, April 2, 7, 9, 14, 16 and May 7, 1986. *************** ADMINISTRATION OF LAND DEVELOPMENT REGULATIONS **************** SUBDIVISION OF 148. Pheasant Brook, Phase II: The Board agreed to hold the public hearing for the subdivision on June 23, 1986. The Engineering Department report, dated April 28, 1986, will be distributed to Board members and the Conservation Com- mission prior to the hearing. 149. PUBLIC HEARING: Lincoln Park Estates Subdivision: ' Mrs. Uhrig opened the public hearing at 8:00 p.m. She announced Mrs. Klauminzer would not participate in the hearing or in any action taken by the Board, as she is an abutter. William Hamilton, the developer, described the subdivision and reviewed the waivers he had requested be granted by the Board: 1) to not construct sidewalks; 2) to reduce the 50 foot road right-of-way to 40 feet; 3) to exceed the maximum 8% grade to 9 1/2% for a section of the road; 4) to permit a velocity of flow in drain pipes exceeding 7.5 ft/sec; and 5) to not install the fire alarm circuit. Bruce Stamski, of Stamski and McNary, Engineers, of Acton, reviewed the defini- tive site development plan. He said the proposed road, drainage and grade were similar to Lincoln Terrace. He noted that 15-20 trees within the road right-of- way and five to six trees per lot would have to be removed. He added they are proposing a closed drainage system and plan to replace existing 10" pipes with 18" to 24" pipes in order to control the rate of run-off from the development on the site as much as possible. They also propose the installation of a 66" pipe to contain excessive drainage on site in an easement between lots two and three. This latter proposal was being presented for the first time; it had not pre- viously been shown to the staff or other Town departments. He felt neighbors problems with high ground water could possibly be lessened if this drainage method were approved. In response to a question from Mrs. Uhrig they reported they had discussed the first of the two drainage solutions with the Engineering Department, but had not had time to prepare plans to reflect the changes proposed. Mr. Hamilton asked the Board to consider continuing the hearing to a later date in order for the developer to prepare new plans showing the proposed drainage revisions. Mrs.