W912P5-16-B-0007_TSpecsAm1pgs.pdf

Big South Fork ESA Compliance Wolf Creek Dam W912P5-16-B-0007 Amendment No. 0001 McCreary County, Kentucky containers. Root bound plants will not be accepted.

2.1.1.2 Plantings

Plantings shall be along upland areas to include; top of bank of Blue Heron Spoils, along stream banks of Unnamed Tributary 3 Concrete Line Channel (whenever possible), and along access routes no longer in use.

Trees shall be planted on 10' centers across the entire disturbed area, except in areas receiving other stabilization measures (i.e. riprap protection). Layout plan as described in paragraph 1.5.6 Layout of Planting, shall be provided to the Contracting Officer for approval prior to starting work. Plants are to be alternated with even ratios. The minimum number of trees planted shall be 200 stems per acre for all areas requiring plantings. No trees are required along the designated horse trail.

Plant Species (All other areas):

SCIENTIFIC NAME COMMON NAME PLANTING GUIDE

Quercus alba* White Oak 200 stems/acre

Carya ovata* Shagbark Hickory

Nyssa sylvatica* Blackgum

Quercus rubra* Northern Red Oak

*Size to be determined

2.1.1.3 Growth of Trunk and Crown

A height to caliper (CAL) relationship shall be provided in accordance with ANSI/ANLA Z60.1 . Height of branching shall bear a relationship to the size and species of tree specified and with the crown in good balance with the trunk. The trees shall not be "poled" or the leader removed.

a. Single stem: The trunk shall be reasonably straight and symmetrical with crown and have a persistent main leader.

b. Multi-stem: All countable stems, in aggregate, shall average the size specified. To be considered a stem, there shall be no division of the trunk which branches more than 6 inches from ground level.

2.1.2 Mulch

Mulch shall conform to Standard Specifications ( NPS Std Specs and

FHWA FP-14.)

2.1.3 Topsoil

Additional discussion on topsoil and composition is found in 32 92 19

SEEDING.

2.1.4 Fertilizer

Fertilizer for plants shall be as recommended by plant supplier, except synthetic chemical fertilizers are not permitted. Fertilizers containing

SECTION 32 93 43 Page 9

Big South Fork ESA Compliance Wolf Creek Dam W912P5-16-B-0007 Amendment No. 0001 McCreary County, Kentucky petrochemical additives or that have been treated with pesticides or herbicides are not permitted.

2.1.4.1 Granular Fertilizer

Organic, granular controlled release fertilizer containing the following minimum percentages, by weight, of plant food nutrients:

6 percent available nitrogen 10 percent available phosphorus 10 percent available potassium

2.1.4.2 Fertilizer Tablets

Organic, plant tablets composed of tightly compressed fertilizer chips forming a tablet that is insoluble in water, is designed to provide a continuous release of nutrients for at least 24 months and contains the following minimum percentages, by weight, of plant food nutrients:

20 percent available nitrogen 20 percent available phosphorus 5 percent available potassium

Planting fertilizer tablets shall be Agriform 20-10-5 Planting Tablets Plus Minors as manufactured by The Scotts Company of Marysville, Ohio or approved equal.

2.1.5 Weed Control Fabric

2.1.5.1 Roll Type Polypropylene or Polyester Mats

Fabric shall be woven, needle punched or non-woven and treated for protection against deterioration due to ultraviolet radiation. Fabric shall be minimum 99 percent opaque to prevent photosynthesis and seed germination from occurring, yet allowing air, water and nutrients to pass thru to the roots. Minimum weight shall be 5 ounces per square yard with a minimum thickness of 20 mils with a 20 year (minimum) guarantee.

2.1.6 Mulch

Organic material 100 percent biobased, free from noxious weeds, mold, pesticides, or other deleterious materials.

2.1.7 Staking and Guying Material

2.1.7.1 Staking Material

2.1.7.1.1 Tree Support Stakes

Rough sawn hard wood free of knots, rot, cross grain, bark, long slivers, or other defects that impair strength. Stakes shall be minimum 2 inches square by 8 feet long, pointed at one end.

2.1.7.1.2 Ground Stakes

Rough sawn hard wood free of knots rot, cross grain, bark, long slivers, or other defects that impair strength. Stakes shall be a minimum of 2 inches square by 3 feet long, pointed at one end.

SECTION 32 93 43 Page 10