A1_-_SOW_-_Cyclic_Removal_of_Vegetation_Under_and_Adjacent_to_Road_Bridges.pdf

2022 Bridge Tree Removal – NPS Plateau District, VA June 01, 2022

Scope of Work 2022 Cyclic Removal of Vegetation Under and Adjacent to Road Bridges Blue Ridge Parkway

• This scope of work will provide for the cutting down, removal of all woody vegetation, and shrubs under and adjacent to bridges and culverts on the Blue Ridge Parkway in Virginia.

The structures are located between Mile Post (MP) 105.80, and MP 216.40.

• All cut vegetation, tree branches, limbs, and larger debris will be collected and removed from the job sites and disposed of at legal state and/or local sites.

• The removal areas will be at each end and sides of county, state, and federal bridges. The bridges are constructed rock, steel, and concrete. The dimensions of each area to be cleared is identified below. A description of each area will be provided as part of this contract.

• Park personnel have identified trees that can damage the bridge structures. Park staff have walked the site locating and can marking each borderline tree for the contractor to ensure exact vegetation to remove, as required.

• A list of each work site will be provided with this scope.

• The basic location of the bridges, over and under passes, box culverts, and culvert areas will be provided identifying the locations of the trees to be re-moved.

• Contractor will also be responsible for any additional trees that are brought down in the process of the ones identified if they create an unsafe condition.

• Each site is to be left cleared of woody vegetation and shrubs.

• All tree stumps will be cut parallel to ground surface, and to within 2-inches of the ground.

• All work will be done under a single contract.

• All materials and equipment will be supplied by the Contractor. Materials and methods used should meet all Federal and State laws.

• No heavy equipment is allowed off road unless it is approved by the park point-of-contact prior to use.

• Protection of the Public: The Contractor shall always conduct his/her work as to assure the safety and convenience of the visiting public and to assure the protection of persons and property. Care shall always be taken to regulate the operations to protect visitors on the Parkway. The Contractor shall provide, erect, and maintain all necessary barricades. Take the necessary precautions for protection and safety of the public and park property.

• When possible one lane of the parkway will remain open to traffic and the contractor will provide flagmen, signage to control traffic as per Federal Highway Standards.

• All permits required to complete the proposed work will be acquired by the contractor.

• Contractor shall provide a safety plan for this project as per contracting requirements.

There are four groups of work to be completed that are listed in priority order.

Bridges/Overpasses South, Bridges/Overpasses North, Box Culverts North to South, and

Culverts North to South. The average diameter at breast height (DBH) for trees over 6”, and number of trees 6” and below are listed for each work area. One or, all of the work groups will be completed, as long as, the project funds last. A complete list of work to be completed can be found in the attachments.

1. Bridges/Overpasses-South from MP 124.0 to 216.0. There are 18 sites total to clear of trees, shrubs and weed whack the grass. There are 9 sites that have 39 trees with an average DBH of 16.1”. The maximum DBH is 30” and the minimum DBH is 10”. There are also 11 sites that have 101 trees with DBH’s between 6” and 2”.

2. Bridges/Overpasses-North from MP 105.80 to 122.43. There are 15 sites total to clear of trees, shrubs and weed whack the grass. There are 6 sites that have 29 trees with an average DBH of 9.1”. The maximum DBH is 24” and the minimum DBH is 8”. There are also 10 sites that have 171 trees with DBH’s between 6” and 2”.

3. Box Culverts North to South, from MP 108.30 to 212.10. There are 14 sites total site to clear of trees, shrubs and weed whack the grass. There are 5 sites that have 23 trees with an average DBH of 16.3”. The maximum DBH is 30” and the minimum DBH is 8”. There are also 6 sites that have 83 trees with DBH’s between 6” and 2”.

4. Culverts North to South from MP 105.80 to 216.4. There are 17 sites total to clear of trees, shrubs and weed whack the grass. There are 9 sites that have 17 trees with an average DBH of 19.3”. The maximum DBH is 30” and the minimum DBH is 8”. There are also 8 sites that have 24 trees with DBH’s between 6” and 2”.

Attachments

BRIDGE LIST - Base Bid

Bridge/Overpass Number - Mile Post - Name Over 6" dbh 2 - 6" dbh

Brush / Vines

N End Between

Abutments S End Acre

Total Sq Yd

Total Sq Ft

039P - MP 124.0 - VA 615 - N&W RR - Bridge

- - Heavy 1,400 3,000 1,400 0.13 644 5,800

039P - MP 124.0 - VA 615 - Starlight Lane - Bridge

- - Heavy 1,400 3,000 1,400 0.13 644 5,800

040P - MP 124.36 - Back Creek & Merriman Road Overpass

- - Medium 1,800 10,500 1,800 0.32 1,567 14,100

041P - MP 126.02 - VA 688 - Cotton Hill Road Overpass

1-10" SW, 1-

30" NE

4-NW, 4-SE Medium 450 450 0.02 100 900

042P - MP 127.62 - VA 691 - Dawnwood Road Overpass

3-15" SW - Heavy 450 450 0.02 100 900

044P - MP 128.83 - VA602 - Poage Valley Road - Bridge

2-20" West, 3- 20" East

- Heavy 900 19,085 900 0.48 2,321 20,885

047P - MP 129.6 - Ravine - Bridge 5-15" East, 11-

10" West 1-West Light 450 450 0.02 100 900

045P - MP 131.0 - VA 690 - Sugar Camp Creek Road Overpass

3-20" NE, 1-

20" NE

- Light 450 450 0.02 100 900

MP 138.4 - Sweet Annie Gap Bridge

15-East, 15- West

Medium 450 450 0.02 100 900

052P - MP 165.27 - VA 8 - Parkway Lane South Overpass

- 4-SW Light 2,250 2,250 0.10 500 4,500

055P - MP 177.46 - Meadows of Dan By-Pass

- Bridge #1

1-20" NW 4-NW, 2-NE Heavy 2,250 2,250 0.10 500 4,500

055P - MP 177.46 - Meadows of Dan By-Pass

- Bridge #2

1-20" SW 8-SW, 10-SE Heavy 2,250 2,250 0.10 500 4,500

055P - MP 177.7 - US 58 Bridge

2-NE, 3-SW, 2-

NW

Medium 1,300 1,300 0.06 289 2,600

063P - MP 196.6 - VA 682 - South Winchester Road - Bridge

2-18" NE dead 6-NW Medium 2,250 4,400 2,250 0.20 989 8,900

064P - MP 199.5 - US 52 - Fancy Gap Highway Overpass

1-SW, 3-NW Light 2,250 2,250 0.10 500 4,500

MP 213.2 - Peaks Mountain Road - Overpass -south of the Blue Ridge Music Center

- 4-West Heavy 900 900 0.04 200 1,800

070P - MP 215.85 - VA 89 - Skyline Highway - Overpass

1-30"-NE, 4-

18"-SE

6-SW, 1-NE, 6-

SE

Heavy 3200 3,200 0.09 440 3,960

MP 216 RT 89 south end on Parkway Right north and south end Parkway left - Overpass

- - Light 1000 1,000 0.05 222 2,000

PLATEAU DISTRICT - VIRGINIA

Estimated Tree Count and Brush density

Est Cutting Areas, Sq Ft Total Sq Ft

BRIDGE LIST - Bid Option 1

Bridge/Underpass/Overpass Number - Mile Post - Name

Over 6" dbh 2 - 6" dbh

Brush / Vines

N End Between

Abutments S End Acre

Total Sq Yd

Total Sq Ft

022P - MP 105.80 - US 460/US-221 N Hwy - Underpass

3-8" NE 30-NE

Heavy-

NE

4500 4500 0.03 133 1200

023P - MP 107.40 - Webster Road & Davis Road (Glade Bridge) - Bridge, VA 738 & 636

- 30-NE, 10-SE Medium 1,800 23,250 1,800 0.62 2,983 26,850

026P - MP 112.21 - VA 24 - Washington Road Overpass

- - Medium 1,125 1,125 0.05 250 2,250

027P - MP 113.55 - VA 634 - Hardy Road Overpass

1-10" SE - Medium 2,250 2,250 0.04 200 1,800

028P - MP 114.67 - Roanoke River Bridge 4-10" E, 4-10'

W 10-W, 10-E Heavy 1,800 60,000 1,800 1.46 7,067 63,600

199P - MP 115.22 - Br 1 on Roanoke River Pkwy Road - Bridge

2-8" N, 1-14" S 14-N, 5-S Light 1,600 5,920 1,600 0.21 1,013 9,120

200P - MP 115.22 - Br 2 on Roanoke River Pkwy Road - Bridge

3-8" N, 1-20" N, 3-10" S, 1-

24" S 20+-N, 10-S Heavy 2,400 44,400 2,400 1.13 5,467 49,200

031P - MP 116.93 - VA 617 - Pitzer Road - Underpass

2-8" NE, 2-8"

SW, 1-12"

NW, 1-8" NW

1-SW Medium 850 850 0.04 211 1,900

032P - MP 117.66 - VA 116 - Jae Valley Road Overpass

- - Medium 1,350 1,350 0.06 300 2,700

033P - MP 118.42 - VA 666 - Bandy Road - Underpass

- 3-NW, 4-NE Medium 2,250 2,250 0.10 500 4,500

034P - MP 119.24 - VA 668 - Yellow Mountain Road - Overpass

- - Heavy 2,250 2,250 0.10 500 4,500

035P - MP 120.45 - (1.7 miles on Spur Rd) - VA 672 - Mill Mountain Pkwy - Overpass

- 5-E, 2-W Light 900 4,400 900 0.14 689 6,200

035P - MP 120.45 - (0.4 miles on Spur Rd) - Welcome Valley Road on Mill Mountain Pkwy - Overpass

- - Light 900 2,750 900 0.10 506 4,550

037P - MP 121.2 - VA 220 - Franklin Road - Bridge

5-NE, 1 SE, 3-

NW, 4-SW

Heavy 1,800 6,750 1,800 0.05 222 2,000

038P - MP 122.43 - VA 679 - Buck Mountain Road Overpass

1-SW, 1-NW,

1-NE, 1-SE

Heavy 1,350 1,350 0.06 300 2,700

PLATEAU DISTRICT - VIRGINIA

Estimated Tree Count and Brush

BRIDGE LIST - Bid Option 2

Box Culvert Number - Mile Post - Name Over 6" dbh 2 - 6" dbh

Brush / Vines

N End Between

Abutments S End Acre

Total Sq Yd

Total Sq Ft

024P - MP 108.30 - VA 604 - Glade Creek Road - Box Culvert

1-30" - Heavy 450 450 0.02 100 900

025P - MP 111.4 - VA 651- Mountain View Road - Box Culvert

- - Heavy 450 450 0.02 100 900

Off MP 115.22 - Box Culvert Over Trail 20-N, 8-S Low 100 100 0.0005 22 200

029P - MP 115.32 - VA 618 Highland Road - Box Culvert

1-14" SW, 1-8"

NW

3-SW, 2-NW Light 450 450 0.02 100 900

030P - MP 116.33 - Rutrough Road - Box Culvert

- - Heavy 450 450 0.02 100 900

MP 136.0 Clover Hill Road - Box Culvert 3-20" SE, 10-

15" NE

2-SW, 1-NE Heavy 500 500 0.02 111 1,000

056P - MP 179.27 - Round Meadow Creek - Box Culvert

4-15" SW

6-NW, 8-NE,

20-SE, 8-SW

Heavy 1,800 20,625 1,800 0.56 2,692 24,225

MP 183.98 - Box Culvert - - Low 100 100 0.0005 22 200

059P - MP 185.02 - VA 638 - Bell Spur Road - Box Culvert

- - Low 450 450 0.02 100 900

060P - MP 188.25 - Pilot View Drive #1 - Box Culvert

- - Low 450 450 0.02 100 900

060P - MP 188.95 - Renfro Ridge - Box Culvert - - Low 450 450 0.02 100 900

062P - MP 195.3 - VA 608 - Lightning Ridge Road - Box Culvert

- 1-SE Medium 450 450 0.02 100 900

MP 206.1 Pipers Gap Rd (Lambsburg Road) - Box Culvert

1-18"-SE, 2-

18"-NE

- Light 900 900 0.04 200 1,800

MP 212.1 north of the Blue Ridge Music Center - Box Culvert

- 4-West Heavy 900 900 0.04 200 1,800

PLATEAU DISTRICT - VIRGINIA

Estimated Tree Count and Brush

BRIDGE LIST - Bid Option 3

Culvert Number - Mile Post - Name Over 6" dbh 2 - 6" dbh

Brush / Vines

N End Between

Abutments S End Acre

Total Sq Yd

Total Sq Ft

022P - MP 105.80 - Culvert 1-8" W, 1-12" E, 1-8" E

3-W, 4-W Medium 350 250 0.02 67 600

048P - MP 150.56 - Paynes Creek Culvert - Medium 540 540 0.02 120 1,080

049P - MP 155.90 - Meadow Creek Culvert - 2-SE, 1-NE Medium 800 800 0.40 178 1,600

MP 159.70 - Culvert - - Medium 800 800 0.40 178 1,600

MP 163.70 - Culvert 1-18" East - Medium 100 100 0.0005 22 200

MP 164.0 - Culvert 1-10" West - Light 60 60 0.0002 13 120

054P - MP 174.28 - Laural Fork Culvert - 2-NW Light 1,200 0.03 133 1,200

MP 175.8 - Culvert 1-30" East 4-West Heavy 300 300 0.01 67 600

MP 179.2 - Culvert - - Heavy 100 100 0.0005 22 200

057P - MP 180.7 - Mabry Creek Culvert

3-West, 2- East

Heavy 450 450 0.02 100 900

MP 187.55 - Culvert - - Low 100 100 0.0005 22 200

MP 209.78 Culvert 2-18" W - Medium 100 100 0.0005 22 200

MP 211.50 Culvert 1-20" SE 1-NE Medium 650 650 0.02 144 1,300

MP 215.32 Culvert - - Medium 400 400 0.02 89 800

MP 216.11 Culvert

1-24"-SE, !-

24"-SW

1-SW Heavy 800 800 0.40 178 1,600

MP 216.22 Culvert 1-30"-SE 1-SE Medium 800 800 0.40 178 1,600

MP 216.4 Retaining Wall 3-24", 2-18" - Medium 3200 0 0.07 356 3,200

PLATEAU DISTRICT - VIRGINIA

Estimated Tree Count and Brush