3/21/1991 CONSERVATION COMMISSION Minutes

Home Browse Search

onservation Commission March 21, 1991 Page 3. Articles were presented for two herbicides, alternatives for sonar. Application w3.11 be made to_ the state to use herbicides and treatment twice this year may b required. Neil Besse of the Perdnsual Council Mated he has a great deal of confidence in Mr. Lyman, CONTDM TO APRIL 4, 1991 — 9:3 . 9:00 TMDOR . ADAMfor the restabili ation of the coastal band reconstruction of the existing seaway and repairs to an existing staircase at 78 Triton Way. Bob Raymond presenting. DEP comments were not received as they had not received copy of the filing until recently. Abutter receipts were presented. An emergency certification was requested and denfed. The bank �s washing away progressively. To the question of location of staircase, Mr. Raymond advised it is on the left side facing the water. The bank is to be stabilized With duneras and g Rosa Rugosa; Scrub Pine also. Asked if collapse of the seawall was the reason for the washout Mr. Raymond yrs advised the sand has washed out from behind and underneath the seawall. It hes been there about 15 gears. Bonita is scheduled to do the construction. The 6000 lb. toe stone will be buried five feet. Access will be from Tide Watch. Ms Behrman requested written notification that permission to use the access was granted. Mr. Raymond stated any stone brought in will be along the beach area above Mean High Water. Stones will not be stored on the beach. Imo`. Grotzke advised any comments he made concerning bot 70 Tide Run would apply F y here as well. There has been significant lass of beach sediment caused by the seawall itself and the nature of the construction of the seawall; they should b designed much more roughly. He • asked that beach nourishment be considered, Mr. Raymond advised the wall will not be mortared, filter fabric will retain the sand and chinking will tighten up the wall. Mr, Homeye r suggested If the applicant i s opposed to beach nourishment, o sine should be done to, see what damage has been � g clone t o the entire property line within 30 days of completion of the project and thea eve year or other year. If a loss of -10 � � beach nourishment will have t be dome. He raised the issue of the double wall construction vs single and requested depth and size of the toe stones. Mr. Grotzke advised a monitoring program is being done and at Tide Watch they have lost two foot of de th 'us t out from the wall, all. Ms Behrrmar stated the angle to the beach is very steepand suggested a gentler slope. She asked if gg g has information on this and was told it is believed they do. A copy to be sent to ,aim O'Connell for comments, Mrs, skmons would like to see a fence 5-6 feet away from the top of the bark with the present one left in place to deteriorate. A foot dee platform should be placed t the t p p- op of the stairs, �s should be on the plan with details of how the stairs will be put in. Mr. Sherman had concerns about closing off the path going to Tide a t ch. He sugg- ested they work with New Seabury to interface the two projects and that the Arborist t