6-226 SECTION 655 – WILDLIFE HABITAT FEATURES
655.01 DESCRIPTION . This work shall consist of providing and installing features for the protection,
preservation, restoration, or management of wildlife habitat.
655.02 MATERIALS . Materials shall meet the requirements of the following subsections:
Miscellaneous Hardware, Shapes, and Fabricated Materials ................................ .....709.01(h) Nonstructural Lumber ................................ ................................ ................................ 709.02 Timber Preservative ................................ ................................ ................................ ...726.01 Woven Wire Fence ................................ ................................ ................................ ....727.01 Chain -link Fence ................................ ................................ ................................ ........ 727.02 Snow Barrier Fence ................................ ................................ ................................ ....727.05 Plank Rail Fence ................................ ................................ ................................ ........ 727.06 Sign Posts ................................ ................................ ................................ ................... 750.01 Boulders shall be natural river material. The middle dimension of any boulder shall not be less than 16 inches. The middle dimension of at least half the boulders placed shall be at least 24 inches. Suitable boulders excavated during construction may be used.
655.03 STREAM HABITAT BOULD ERS. This work shall consist of placing natural river boulders
throughout the finished stream channel. The Contractor shall notify the Engineer a minimum of 7 calendar days prior to placement of the boulders. Boulders shall be placed as directed by the En gineer at intervals defined in the Plans. Distribution of boulders shall be in a generally random fashion throughout the channel, except in locations to be identified by the Engineer at the time of construction, where boulders shall be either clustered or excluded. The largest boulders shall be used at the toe of the slope (bottom 2 to 3 vertical feet), with no chinking stone used on the front face so that gaps remain between stones to provide improved aquatic habitat.
655.04 WILDLIFE GUIDE FENCES . This w ork shall consist of furnishing and installing wildlife guide
or exclusionary fence s at the locations indicated on the Plans and as directed by the Engineer. Fence s shall be constructed in conformance with the Plans and Section 620 .
655.05 WILDLIFE SHELF . This work shall consist of constructing a shelf within a culvert or under a
bridge at the locations indicated in the Plans to facilitate animal passage. The shelf shall be constructed in conformance with the Plans and as directed by the Engineer. 6-227 655.06 WILDLIFE HABITAT COVER . This work shall consist of placing natural materials such as logs, brush, or stone to provide cover for wildlife at the entrances and exits of culverts and bridge structures. The type and arrangement of cover material shall be as shown on the Plans and as directed by the Engineer. Cover material may be sourced from the project site, if suitable.
655.07 NESTING BOX . This work shall consist of constructing bird nesting boxes with wooden or metal
posts meeting the requirements of Subsection 750.01 , or installing nesting boxes on existing structures or trees, at the locations indicated in the Plans. Entrance hole size and orientation and final box placement shall be as noted on the Plans and as directed by the Engineer.
655.08 BAT ROOSTING FEATURE . This work shall consist of constructing and installing bat houses
or other roosting features to provide roosting opportunities for bats. The roosting features shall be constructed and installed as shown in the Plans and as directed by the Engineer.
655.09 WILDLIFE EXCLUSIONARY MEASURES . This work shall consist of installing measures that
deter or prevent wildlife from inhabiting areas that will be disturbed during construction. The type and arrangement of exclusionary measures shall b e as shown on the Plans and as directed by the Engineer.
655.10 METHOD OF MEASUREMENT . The quantity of Stream Habitat Boulders, Wildlife Habitat
Cover, and Wildlife Exclusionary Measures to be measured for payment will be on a lump sum basis for the comp lete and accepted work. The quantity of Wildlife Guide Fence and Wildlife Shelf to be measured for payment will be the number of linear feet installed in the complete and accepted work. The quantity of Nesting Box to be measured for payment will be the nu mber of each box installed in the complete and accepted work. The quantity of Bat Roosting Feature to be measured for payment will be the number of each bat roosting feature installed in the complete and accepted work.
655.11 BASIS OF PAYMENT . The accepte d quantity of Stream Habitat Boulder, Wildlife Cover
Habitat, and Wildlife Exclusionary Measures will be paid for at the Contract lump sum price. Payment will be full compensation for furnishing, transporting, handling, and installing the materials specifi ed, and for furnishing all labor, tools, equipment, and incidentals necessary to complete the work, including removal of features that are temporary, if indicated as such in the Plans. The accepted quantity of Wildlife Guide Fence and Wildlife Shelf will b e paid for at the Contract unit price per linear foot. Payment will be full compensation for furnishing, transporting, handling, and installing the materials specified, and for furnishing all labor, tools, equipment, and incidentals necessary to complete t he work. 6-228 The accepted quantity of Nesting Box and Bat Roosting Feature will be paid for at the Contract unit price for each. Payment will be full compensation for furnishing, transporting, handling, and installing the materials specified, including suppor t bases, posts, and assembly hardware, and for furnishing all labor, tools, equipment, and incidentals necessary to complete the work. Payment will be made under: Pay Item Pay Unit 655.0010 Stream Habitat Boulders ................................ ................................ ......... Lump Sum 655.0020 Wildlife Guide Fence ................................ ................................ .............. Linear Foot 655.0030 Wildlife Shelf ................................ ................................ .......................... Linear Foot 655.0040 Wildlife Habitat Cover ................................ ................................ ............ Lump Sum 655.0050 Nesting Box ................................ ................................ ............................ Each 655.0060 Bat Roosting Feature ................................ ................................ ............... Each 655.0070 Wildlife Exclusionary Measures ................................ ............................. Lump Sum 6-229 SECTIO N 656 – PLANTIN G TREES , SHRUBS , AND VINES 656.0 1 DESCRIPTION . This work shall consist of furnishing, transporting, planting, and transplanting various size s of trees, shrubs, vines, perennials, and ground cover plants. 656.0 2 MATERIALS . Materials shall meet the requirements of the following subsection s: Barrier Fence ................................ ................................ ................................ .............. 727.03 Water ................................ ................................ ................................ .......................... 745.01 Landscape Backfill ................................ ................................ ................................ .....755.01 Topsoil ................................ ................................ ................................ ....................... 755.02 Compost ................................ ................................ ................................ ..................... 755.05 Fertilizer ................................ ................................ ................................ ..................... 755.06 Mycorrhizal Fungi Product ................................ ................................ ........................ 755.07 Bark Mulch ................................ ................................ ................................ ................ 755.10(c) Plant Materials ................................ ................................ ................................ ........... 755.12 Tree Watering Bags ................................ ................................ ................................ ...755.1 3 The sizes of evergreen and deciduous trees shall be as specified in Table 656.02A . TABLE 656.02A – TREE SIZES Size Evergreen Trees Deciduous Trees Small Less than 4 feet tall Less than 1/2 inch caliper Medium 4 feet to less than 6 feet tall 1/2 inch to less than 2 inch caliper Large 6 feet tall or greater 2 inch caliper or greater Live fascines shall consist of bundles 8 feet to 15 feet long and a minimum of 4 inches in diameter. The bundles shall contain cuttings from live stems no greater than 1 inch in diameter. The species used shall be native to Vermont. Live fascines shall be prepared from freshly cut dormant plants. No leaf buds shall have initiated growth beyond 1/4 inch and the cambium layer of each cutting shall be moist, green, and health y. Live stakes shall consist of branch cuttings from freshly cut dormant plants. The species used shall be native to Vermont. Live stakes shall be 1/2 inch to 2 inches in diameter and 3 feet to 4 feet long. No leaf buds shall have initiated growth beyond 1 /4 inch and the cambium layer shall be moist, green, and healthy. The live stakes shall have side branches cleanly removed with the adjacent bark intact. The basal ends shall be cut at an angle for easy insertion into the soil and the top shall be cut squa re.