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HomeMy WebLinkAbout20250304 Restoration Plan Dobro 309 Bay LaneB A Y L A N E P U B L I C ~ 4 0 ' W I D E (TIDAL) EXISTING DWELLING #309 BAY LANE ZONE: X ZONE: A E ( E L . 1 3 ) ZO N E : A E ( E L . 1 2 ) ZO N E : A E ( E L . 1 3 )ZONE: XZONE: AE (EL .12 ) TOP OF COASTAL BANK SHED PROPOSED REINFORCED HIGH MARSH (APPROXIMATELY 115 LF) PROPOSED INVASIVE PLANT MANAGEMENT OF PHRAGMITES, NATIVE SEED BANK TO BE ALLOWED TO REGENERATEPROPOSED ACCESSPROPOSED INVASIVE PLANT MANAGEMENT AND RESTORATION AREA; SEE ENVIRONMENTAL LANDSCAPE SOLUTIONS MITIGATION PLANTING PLAN DATED 01/27/25 FOR PLANTING SPECIFICATIONSSECTION A-A' PROPOSED SALT MARSH PILLOW (APPROXIMATELY 10 LF) REINFORCED HIGH MARSH PLANT COMMUNITY CONSISTING OF 50% 6"-8" ROUNDED COBBLE, 25% COIR FIBER AND COMPOST, AND 25% COMPATIBLE SEDIMENT ENCASED IN 2 LAYERS OF COIR (1,000 & 900 GRAM) AND SINGLE LAYER OF 20OZ JUTE-BURLAP ALONG THE SEAWARD EDGE. PILLOWS TO BE PLANT AT 9" O.C. WITH SPECIFIED TRANSITIONAL HIGH MARSH SPECIES. EDGE OF EXISTING SALT MARSH EXISTING NATIVE VEGETATION ON COASTAL BANK TO REMAIN NATIVE MARITIME GRASSES (REFER TO PLANT SPECIFICATIONS) 3" THICK, 3' WIDE SALT MARSH PILLOWS MADE OF BIODEGRADABLE COIR ENCASED IN KOIRMAT 700 ENVELOPE FILLED WITH MIXED LOOSE COIR FIBER AND COMPOST 1"x1"x 30" REINFORCING UNTREATED HARDWOOD STAKES 1/4" BIODEGRADABLE ROPE 1. APPROXIMATELY THREE GROWING SEASONS WILL BE REQUIRED TO CONTROL AND/OR ERADICATE INVASIVE PLANT SPECIES. AFTER THREE GROWING SEASONS, MONITORING AND MINIMAL MAINTENANCE WILL BE ONGOING. 2. HERBICIDES ARE TO BE APPLIED BY LICENSED INDIVIDUALS ONLY. 3. A TEMPORARY, AUTOMATED ABOVE-GROUND IRRIGATION SYSTEM WILL BE REQUIRED FOR THE FIRST TWO/THREE GROWING SEASONS WHILE NEW PLANTS ARE ESTABLISHING. ONCE PLANTS ARE ESTABLISHED IRRIGATION WILL BE REMOVED. 4. ALL RESTORATION PLANTINGS WILL INCORPORATE EXISTING NATIVE SPECIES UNLESS OTHERWISE SPECIFIED IN THE APPROVED DOCUMENTS. 5. ANY DISCREPANCIES BETWEEN THE PLANTING SPECIFICATION AND THE PLAN, THE PLAN SHALL TAKE PRECEDENCE. 6. RESTORATION & MITIGATION AREAS WILL BE ALLOWED TO NATURALIZE. 7. ALL EXPOSED SOILS WILL BE SEEDED WITH NATIVE CAPE COD MEADOW MIX UNLESS OTHERWISE SPECIFIED. THIS DRAWING AND ALL IDEAS EMBODIED THEREIN IS PROPRIETARY INFORMATION OF WILKINSON ECOLOGICAL DESIGN, INC. (WED) AND SHALL NOT BE COPIED, REPRODUCED, OR DISCLOSED IN CONNECTION WITH ANY WORK OTHER THAN THE PROJECT FOR WHICH IT HAS BEEN PREPARED, IN WHOLE OR PART, WITHOUT PRIOR WRITTEN AUTHORIZATION FROM WED. © 2024 WILKINSON ECOLOGICAL DESIGN, INC. FOR PERMITTING PURPOSES ONLY THIS DRAWING IS NOT INTENDED FOR CONSTRUCTION NOTES: REV DATE DESCRIPTION DRAWN BY:CHECKED BY: DATE:SCALE: SURVEY PROVIDED BY: 24-Jan-25 k:\clients\bay ln_309_cen\consult\plans\restoplan\20241107_ bay lane_309_cen_resto - copy.dwg 1 OF 1 IPMP VARIES01/27/2025 DOBRO 309 BAY LANE CENTERVILLE, MA RESTORATION PLAN MERRILL ENGINEERS AND LAND SURVEYORS 362 COURT STREET PLYMOUTH, MA 02360 508-746-6060 Scale: 1"= 20' RESTORATION PLAN1 00 20'40' N Scale: 1/8"= 1'-0" SECTION A-A'2 SALT TOLERANT GRASS MIX FOR SUPPLEMENTAL COASTAL EDGE SEEDING common name scientific name Big Bluestem Andropogon gerardii Broomsedge Andropogon virginicus Creeping Red Fescue Festuca rubra Indian Grass Sorghastrum nutans Purple Love Grass Eragrostis spectabilis Switchgrass Panicum virgatum Virgina Wildrye Elymus virginicus TOP OF COSTAL BANK 100' RIVER FRONT AREA 50' BUFFER TO TOP OF COASTAL BANK 100' BUFFER TO TOP OF COASTAL BANK 200' RIVER FRONT AREA PROPOSED INVASIVE PLANT MANAGEMENT AND RESTORATION AREA; SEE ENVIRONMENTAL LANDSCAPE SOLUTIONS MITIGATION PLANTING PLAN DATED 01/27/25 FOR PLANTING SPECIFICATIONS TREE MANAGEMENT LEGEND State-listed invasive Norway maple to be removed Leaning, dead, or in-decline tree to be removed to facilitate Reinforced High Marsh installation and regeneration of salt marsh species Dead pine tree to be removed for saftey PROPOSED INVASIVE PLANT MANAGEMENT AREA; TO BE SEEDED AS NEEDED AFTER INVASIVE PLANT MANAGEMENT Scale: 1/2"= 1'-0" MARSH PILLOW DETAIL3 TRANSITIONAL HIGH MARSH PLANT COMMUNITY SPECIES TO BE PLANTED AT 9" O.C. WITHIN REINFORCED MARSH common name scientific name size American Beachgrass Ammophila breviligulata plug/culm Saltmarsh Hay Spartina patens plug Seaside Goldenrod Solidago sempervirens plug Salt Marsh Rush Juncus gerardii plug Smooth Cordgrass Spartina alterniflora plug Spike Grass Distichlis spicata plug PROPOSED PHRAGMITES MANAGEMENT AREA CAPE COD MEADOW MIX FOR SUPPLEMENTAL UPLAND SEEDING common name scientific name Broom Sedge Andropogon virginicus Creeping Red Fescue Festuca rubra Crinkle Hair Grass Deschampsia flexuosa Fox Sedge Carex vulpinoidea Little Bluestem Schizachyrium scoparium Purple Lovegrass Eragrostis spectabilis Upland Bentgrass Agrostis perennans SCUDDER BAY