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Home My WebLink AboutConservation Minutes 5/23/19904. MANSFIELD CONSERVATION COMMISSION MIUUTEV,,'; -J.7 / MONDAY, APRIL 23, 1990 -- PAGE '-V -- ` Members Present: Chairman Powers, Commissioners _Cacildwe1lfy,}OrNpilll },Owens, Poholek, Rhoads, Smith It The meeting was called to order at 7:30 p.m. ;E',� 5� ;p -j_1) lb MINUTES: To approve the )etnutes of 3 -26 -90 (regular session). (Rhoads - Cauldwell; all in favor, Owens abstaining) VOTED MOTION: To approve the minutes of 4 -9-90 (regular session) as awended. (Rhoads - O'Neill; all in favor, Owens abstaining) VOTED DISCUSSION OF REPLICATION FOR MANSFIELD MANOR ESTATES - SE211 -134 On 3- 21 -90, a group of town employees and Comm. Rhoads met to discuss the issues with regard to this project. Replication and stormwater issues have been separated. The receiver for the subdivision is the Back Day Brook; it is possible that the peak discharge rate could o0,q,9Ur,ijg advance of that from Back Day Brook and that no e(etention is needed, buts M .calculations have been offered to support this theory. Comm. Rhoads submitted to the commissioners a memo detailing the information necessary to substantiate whether the subdivision peak is offset to that of Back Bay Brook, and the cumulative relationship to downstream conveyance ability. Comm. Rhoads is looking for support for this approach before the applicant and town employees go further with the calculations to address these stormwater issues. MOTION: To approve the six-step wBwo dated 4 -23 -90 and presented by Comm. Rhoads (see attached). (Owens - Cauldwell; all in favor, Poholek abstaining) VOTED MOTION: To send letter to the applicant noting that the commission has 'approved the above memo and that the wetland replication must now be completed forthwith, this construction season. (Rhoads - Cauldwell; all in favor, Poholek abstaining) VOTED WETLANDS PROTECTION ACT HEARING David Duhaime - -131 York Rd. -- Construction of single family home within 100 - ft. buffer zone Mr. Maloon described the project, a home proposed for lot 4, which portion of the project is basically a pine grove. Proof of abutter notification was not available. The question arose as to whether this lot is subject to a walking easement, as a condition of the original subdivision plan. This house will have no gutters, only a drip edge; therefore roof leaders into dry wells is not an option. The alternative suggested would be to recharge runoff from the driveway by putting a crushed stone dry well on the lot at the end of the driveway; a berm could be placed on the southerly side of the driveway. The site walk will take place at 6:15 p.m. Monday evening, 4 -30. Ernie Csaky, a resident of Forest Park, asked what lot was under discussion and indicated, that a number of the residents are becoming concerned that destruction is occurring near wetlands and the brook; the commission's jurisdiction was explained. The commission requested an approved Board of Health plan. The applicant asked that siltation be controlled using siltation fence rather than hay bales; he was advised that the orders will say "siltation controls." The walking easement issue must be clarified; lot must be staked by site walk. MOTION: To continue the hearing to 9:00 on May 7. (OlNeil1 - Cauldwell; all in favor) VOTED MANSFIELD CONSERVATION COMMISSION MINUTES MONDAY, APRIL 23, 1990 -- PAGE 2 REQUEST FOR DETERMINATION OF APPLICABILITY - Mill Farm Estates Although Dick Lewis has received no additional information from Mr. Trowbridge, his understanding is that ERC has done additional work. MOTION. To continue to 5 -7 -90 at 7,15. (O'Neill - South; all in favor) VOTED CHANGE IN MEETING SCHEDULE: The commission will meet at 7:00 p.m. on May 7. WETLANDS PROTECTION ACT HEARING CONTINUATION - SE211 -328 Douglas A. King Builders, Inc. -- Construction of single family house- - Hilltop Lane, lot 20B The site walk was held April 20. The BVW appeared to be well - flagged. The house and septic system will be located at the top of a hill. A new plan, showing a down -sized septic system, dated 4- 10 -90, was given to the commission at the site walk. Mr. Howard Magier, an architect working for Douglas King Builders, was present on behalf of the applicant. Abutters have been notified, and many were present at the hearing. An approved board of health plan was submitted. Louis Hayward, 11 Hilltop Lane, South Easton, a former board member of the condo association, explained his concerns about erosion effects on the adjacent condominium association property; this was a lot identified and subdivided as part of the condo assn. open space area; they wonder whether the lot can be improved without affecting the wetland. David Paschall, 30 Hilltop Lane, S. Easton, has lived there over 8 years and reported that in heavy rain there is excessive runoff as conditions now stand. He is concerned that runoff will be a greater problem after landscaping; he maintains that the current catchbasin is not handling the runoff, which backs up into wetlands. Susan Hayward, 11 Hilltop Lane, wondered whether some fill has already been done, and whether erosion is already a problem. Comm. Rhoads, looking at the site plan, commented that there is potential for water running into part of the adjacent lot of the condo assn., but since that area is not a resource area, it is not under commission jurisdiction." The applicant's driveway should be bermed and sloped to cut down on increased runoff on the slope. Gutters will be required, in order that roof leaders be Out into dry wells for recharge, especially given the steep slopes. A special condition must be included stating that grading be done in such a way as to prevent long -term erosion. According to residents present, that section of Hilltop Lane has not been accepted by the town, partly because the drainage is inadequate. A copy of the Order of Conditions will be sent to the Easton Planning Board and Conservation Commission, and to the Mansfield Planning Board as well, with a cover memo. MOTION: To close the hearing. (O'Neill - Cauldwell; all in favor) VOTED CORRESPONDENCE: CERTIFICATE OF COMPLIANCE - SE211 -318 - Mr. Folkman has requested the certificate. There is uncertainty as to whether the dry well has been put in. A partial certificate could be issued. The conditions to be continued are those regarding amount of impervious surfaces, stabilization /seeding, and dry wells, right of inspection (1, 2, 7, 8). MOTION: To issue a partial release, keeping intact conditions 1, ?, 7, & 8. (Owe)7s - O'Neill; all in favor) VOTED MANSFIELD CONSERVATION COMMISSION MINUTES MONDAY, APRIL 23, 1990 -- RAGE 3 AUSTIN FARMS LOTS - LOTS 31, 26, 32 Mr. Folkman, on behalf of Bonwood, be moved up (and re- advertised). MOTrON: That the hearings be re -s advertised at the expense (Rhoads - O'Neilll all in requested that hearings for these lots :hsdaled from 6-11 to 7:45 on 5 -7 (and be of the applicant). favor, Owens abstaining) VOTED POLICY ADOPTED: Copies of any orders with impacts on existing subdivision plans will be sent to the Planning Board. Former Commissioner Deb Graham requested time on the agenda to discuss ACEC Area of Critical Environmental Concern designation for Canoe River aquifer etc. Dick Lambros has asked the commission whether anyone has asked National Lumber to lower the berm at Maple Parka no one from the town has done so, and the commission feels that it should be kept as is. Dirt bikes through conservation land are still potential problem. Discussion of regulations was tabled until June. The meeting adjourned at 10:45. Approved by: /pf i Date to town clerk: