Final Environmental Impact Report - Whittier Bridge/I-95 ...

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Whittier Bridge/I-95 Improvement Project FEIR Chapter 1.0: Changes Since the Draft Environmental Impact Report and Resolution of Additional Issues The Wetland J site is in mature forest adjacent to mature forested wetland, and disturbance of these types of habitat is undesirable. This wetland also drains west into a different subwatershed than either of the project impact areas. Additionally, at the north end, the construction of Stormwater Basin 5 will occur in the area most suitable for wetland creation. After review of these sites, Wetland H, Site 1 was selected as having the highest potential for success, and the fewest adverse impacts to the surrounding habitats. Its setting is also best able to meet criteria 1 through 5 in the Inland Wetland Replication Guidelines summarized at the beginning of this section. Figure 1-9 illustrates the location of the selected mitigation area in relation to Wetlands H and I. Existing Conditions at Wetland H Mitigation Site The existing upland in the proposed mitigation area (Wetland H, Site 1) consists of a relatively disturbed steep sandy slope leading down to the wetland. The canopy is open and patchy, and contains mostly small trees and saplings with grasses and early successional shrubs in the understory. The bank ranges from 20 to 25 feet above the surface of the wetland. Considerable trash was observed in the upland near the mitigation site. Vegetation Plant species observed on the sideslope and top of the sand bank include trees and saplings of sugar maple (Acer saccharum), red maple, Red and black oak (Quercus rubra and Q. velutina), and white pine (Pinus strobus); saplings and/or shrubs of staghorn sumac (Rhus hirta), eastern red cedar (Juniperus virginiana), gray birch (Betula populifolia), and black cherry (Prunus serotina); vines of poison ivy (Toxicodendron radicans); and an herbaceous layer containing little bluestem (Schizachyrium scoparium)and other grasses, poison ivy, rose (Rosa sp.), black raspberry (Rubus occidentalis) , goldenrods (Solidago spp.), dewberry (Rubus cf flagellaris), bedstraw (Galium sp.), and celandine (Chelidonium majus). A few butternut (Juglans cinerea or hybrid) trees were observed growing along the edge of the wetland east of the proposed mitigation area. Evidence of disease (i.e., dead branches and fungus) was observed on some of these trees. Relatively few invasive plants were encountered in the mitigation area and adjacent upland. The percent cover of invasives was estimated to be less than 5%. The invasives observed include scattered shrubs of bush honeysuckle, a few scattered saplings of black locust (Robinia pseudoacacia), vines of oriental bittersweet (Celastrus orbiculatus), and sparse shrubs of Norway maple (Acer platanoides) and glossy buckthorn (Frangula alnus). Immediately south of the proposed mitigation area is a large area of emergent wetland dominated by stands of the invasive common reed. Purple loosestrife and goldenrod are also present in this marsh area outside of the common reed stands. The estimated cover of invasives in the area of this wetland adjacent to the mitigation site is close to 100 percent. A man-made swale is located west of the mitigation area and extends roughly north-south and parallel to the highway. The swale receives flow from a small area of mostly emergent wetland at the northern end of Wetland H and directs it to the south into the emergent marsh located south of the mitigation area. The swale is mostly paved. During the site visit it was observed to be dry in the middle (and surrounded mostly by upland vegetation) and wet at its northern and southern ends where it connects to wetland. Vegetation observed along the edges of the swale include trees and/or saplings of green ash (Fraxinus pennsylvanica), black oak, white pine, eastern red cedar, and Scotch pine (Pinus sylvestris); vines of poison ivy; and shrubs of red maple, green ash, and bush honeysuckle. At its southern end, the swale is bordered by common reed, silky dogwood (Cornus 1-26
WETLAND E WETLAND F WETLAND G WETLAND 11 WETLAND I 1,800 SF TOTAL BORDERING VEGETATED WETLAND PERMANENT IMPACT WETLAND H 1,400 SF BORDERING VEGETATED WETLAND TEMPORARY IMPACT (TO BE RESTORED ON-SITE) WETLAND H 1,760 SF BORDERING VEGETATED WETLAND PERMANENT IMPACT WETLAND H MITIGATION AREA = 4,960 SF * WETLAND HATCH LIMITS FOR PRESENTATION ONLY LEGEND EXISTING HIGHWAY/ROADWAY PROPOSED ROADWAY PROPOSED SHARED USE PATH BVW ISOLATED WETLAND 0 40 HOR. SCALE IN FEET 100 200 Whittier Bridge/I-95 Improvement Project Newburyport/Amesbury/Salisbury Wetland I and H Impacts Wetland Mitigation Location Figure 1-9
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FINAL ENVIRONMENTAL IMPACT REPORT E
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Whittier Bridge/I-95 Improvement Pr
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Deval L. Patrick GOVERNOR rJJie Com
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EEA#14427 DEIR Certificate December
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EEA#I4427 DEIR Certificate December
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Thank you for the opportunity to co
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ESSEX NATIONAL HERITAGE COMMISSION
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In the period leading up to the sub
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construction is not adequate to ens
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to limit turbidity impact from dewa
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For infiltration basin and trench s
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not acceptable to meet regulatory r
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ide lot that is also being expanded
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MassWi/d/ile December 20, 2011 Comm
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Patel, Purvi {_E_EA .... } _ From:
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process. Ifthe project avoids simul
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THE COMMONWEALTH OF MASSACHUSETTS E
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imack Valley ning Commission plan *
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Mayor Thatcher w. Kezer III Town Ha
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are connected are there any other p
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Revised 12/19/11 Town ofSalisbury's
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Neil J. Harrington Town Manager Tow
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Secretary Richard K. Sullivan, Jr.
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Coastal Trails Coalition December 2
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Patel. Purvi~ _ From: Sent: To: Cc:
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1. The Whittier Bridge Replacement
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Whittier Bridge and 1-95 reconstruc
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forested and open character, though
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On the cost front, we are in an eco
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42 Prospect Street Newburyport, Mas
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12-~:TII ~~.. MASSACHUSETTSHIGHWAYD
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Patel. Purvi~ _ From: Sent: To: Cc:
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argument or disagreement. We have p
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Patel. Purvi (.... E_EA .... ) _ Fr
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TO: Pamela S. Stephensen, Division
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Patel, Purvi ~ ...... _ From: Sent:
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TO: Pamela S. Stephenson, Division
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PUBLIC MEETING WEDNESDAY, DECEMBER
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3 SPEAKER INDEX Name Page Karen Eme
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Whittier Bridge/I‐95 Improvement
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Spill Prevention and Response MassD
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Appendix: Best Management Practices
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The Commonwealth Of Massachusetts M
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downstream of the existing bridge w
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Appendix 1 - Tables 1, 2, and 3 Tab
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Table 4. Summary of Model Simulatio
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process. If the project avoids simu
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anadromous fish including American
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Conclusions In summary, we recommen
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