. Alewife Reservation & Alewife Brook master plan. Wetlands; Wetland conservation. FIGURE 34. A stabilized aggregate trail in a natural area. Stabilised Aggregate Trail This minor path type is 4-6 feet wide and uses the same surface as described above. It is pro- posed mainly in the Alewife Reservation where passive recreational activities such as wildlife viewing are common. This path type will pro- vide access while minimizing negative effects on the environment (see Figure 34). boardwalks Six- to eight-foot wide timber boardwalks are proposed in areas where the following condi- tions oc
. Alewife Reservation & Alewife Brook master plan. Wetlands; Wetland conservation. FIGURE 34. A stabilized aggregate trail in a natural area. Stabilised Aggregate Trail This minor path type is 4-6 feet wide and uses the same surface as described above. It is pro- posed mainly in the Alewife Reservation where passive recreational activities such as wildlife viewing are common. This path type will pro- vide access while minimizing negative effects on the environment (see Figure 34). boardwalks Six- to eight-foot wide timber boardwalks are proposed in areas where the following condi- tions occur: in wetland and floodplain areas where impacts to wildlife habitat should be minimized; when the desired path is to be constructed above a certain flood elevation;. FIGURE 33. A stabilized aggregate path (Minuteman Bike Trail, Concord-Lexington) FIGURE 35. Cantilevered boardwalk on a steep slope using pin-type footings on downhill side. ALEWIFE MASTER PUN FINDINGS AND RECOMMENDATIONS 27. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bioengineering Group; Massachusetts. Metropolitan District Commission; Carol R. Johnson & Associates. [Salem, Mass. ] : The Bioengineering Group
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