Specs.docx

Anna Ruby Falls Work List General Notes:

1. The Contractor is responsible to prepare the Erosion Control plan and to obtain any necessary permits before starting the project.

2. Erosion Control measures are to be in place before commencing work.

3. All trees to be removed are to be cut in lengths no longer than 8 feet, limbed, and scattered adjacent to the trail. The material is not to be concentrated in any one area.

4. All stumps are to be treated with The Contractor shall mix the herbicide using the following solution 95.5 % water 2.5% Arsenal, 1% surfactant and 1% water soluble dye. For example, mix 5 gallons of water 1 pint of herbicide and 2 oz. each of surfactant and dye within 48 hours of being cut down.

5. The roots that are to be removed shall be scattered adjacent to the trail. The cut shall be treated with pruning sealer paint.

6. The rock curb on the downhill side of the trail is to be open up at approximately 25 foot intervals. Locations are to be agreed upon between the Contractor and the COR before the rock is to be disturbed.

7. A 4” asphalt curb shall be constructed on the uphill side of the trail except in the seep areas, under the benches, on the bridges and the culvert.

8. The asphalt shall have a rough textured finish to provide traction during wet weather.

9. The trail tread will have a general out slope of 2%.

The following table depicts typical sections of the trail and their associated work items. Some of the photos display specific work locations and describe specific work items to accomplish in that location. The photos are generally displayed in sequence from beginning of project to end of project.

Typical Trail Sections section 1 This is the start of the project at trail blaze.

Rebuild subgrade and place new surfacing on a maximum 2% outslope.

The rock curbing will be left in place. The 4” asphalt curb will begin at the end of the rock curb on the uphill side.

Section 2 This is typical of the existing trail.

Rebuild subgrade and place new surfacing on a maximum 2% outslope

The tree on the edge of the trail at the left will be removed. This is typical of the trees to be removed from the trail. All trees to be removed from the trail will be flagged by COR before the Contractor removes them.

The wood edging will be removed and replaced with a 4” asphalt curb. .

Section 3 This is typical of the existing trail.

The wood edging will be removed and replaced with a 4” asphalt curb.

There may be roots or trees that will need to be removed in this area. They will be flagged by COR for removal.

Typical Trail Sections

Section 4

Construct 4” asphalt curb on uphill side of trail

Remove the asphalt around the tree and the boulders. Do not replace asphalt between tree and rock edging or between the boulders Provide a 10 foot transition section from the outer rock curb to the new asphalt edge around the tree. Provide a 6 inch gap between the tree and the rocks and the edge of the new paving.

Section 4 Were the people are standing is a spring area, see section 4A for work items.

Construct 4” asphalt curb on uphill side of trail, until the spring area. End curb for approximately 50 feet.

Section 4A Spring Area.

The contractor shall at the base of the seep install a 3 inch x 3 inch channel basin and grate sloped to drain toward the beginning of the trail. The outlet pipe will drain across the trail to the down slope side of the trail and a rodent proof drain outlet.

The channel basin system shall be manufactured by ADS Worldwide-DrainTech http://www.ads-pipe.com/en/documentlisting.asp?documenttypeID=444 or approved equal, and installed according to manufacturer’s instructions. See detail sheet 3.

The area to be treated is approximately 50 feet. Exact measurements will be taken at the time of installation.

Section 5 Remove this tree and one in the background, both on the edge of the trail.

Construct 4” asphalt curb on uphill side of trail except where the boulders intrude into edge of trail.

Section 6 Trail Bridge

The are two groups of trees to be removed in this section.

Finish grade of the paving is to match the elevation on the bridge deck, being no more than ¼ inch below or at the top of the bridge deck. Final grade of the paving shall not exceed that of the top elevation of the bridge deck

Trail paving shall extend to the base of the bench. End 4” asphalt curb at the bench.

Section 7

Once the asphalt is removed, do not replace asphalt around the tree and in the area between the rope and the rock. Leave a 3 inch gap between the tree and the edge of the tree and the new asphalt.

Use the rope as the edge of the new asphalt paving.

In place of the rope barrier construct a two rail locust fence. The fence will be placed at the edge of the paving.

See photo below for typical fence section. Each section of fencing shall measure 8’ -10’ with field adjustments in the section lengths to have the fence end and begin in the appropriate locations.

Approximate length of fence is 25 feet. Exact measurements will be taken at the time of installation.

Section 8 Culvert installation Replace stone bridge with Structural Plate Arch Culvert 8' x 3'9" x6' (bottomless arch) with a metal thickness of 0.111 inches as provided by Lane Drainage Products or approved equal.

Center the culvert over the stream.

Finished grade shall be 1 foot above the top of the culvert and shall approximate the existing trail tread.

The footing shall be concrete footing designed provided by the Contractor. The bottom of the footing shall be a minimum of 18 inches below the stream bed.

Headwalls shall be constructed out of stone adjacent to the worksite or reused from the former stone bridge. No stones may be removed from the streambed for use in the headwalls.

Resume 4” asphalt curb at the end of the bench on the uphill side of the trail.

Section 9 Tree to be removed from trail.

Continue with 4” asphalt curb on uphill side of the trail.

Section 10

Roots that are in the trail tread are to be removed and the tree treated with pruning sealer paint.

Asphalt shall be placed to the base of the bench. Do not install 4” asphalt curb under bench.

Section 11

Remove the wooden culvert and do not replace

Section 12

Replace asphalt without dip, install with constant grade.

Do not place asphalt curb on section of trail where the channel basin and grate shall be installed. Begin asphalt curb approximately where fence begins.

Install 3 inch wide channel basin and grate sloped to drain toward the beginning of the trail. The outlet pipe will drain on the down slope of the trail and have mesh cover to prevent small animals from entering the drain pipe.

The channel basin system shall be manufactured by ADS Worldwide-DrainTech http://www.ads-pipe.com/en/documentlisting.asp?documenttypeID=444 or approved equal, and installed according to manufacturer’s instructions. The area to be treated is approximately 20 feet. Exact measurements will be taken at the time of installation.

Section 13

Typical trail tread. Install 4” asphalt curb on uphill side of trail.

Section 14 Do not remove stone pavers in the overlook. Match finished grade of new asphalt to existing stone pavers.

Section 15 Work the 4” curbing around the rock outcropping until the trail reaches the seep area then end the curb.

Section 16

End of project. Remove tree.

Finish grade of the paving is to match the elevation on the bridge deck, being no more than ¼ inch below or at the top of the bridge deck. Final grade of the paving shall not exceed that of the top elevation of the bridge deck.

Do not remove stone pavers in the overlook. Match finished grade of new asphalt to existing stone pavers.

Adjacent to the stone steps is a seep approximately 50 long.

The contractor shall, at the base of the seep, a 3 inch wide channel basin and grate sloped to drain toward the beginning of the trail. The outlet pipe will drain on the down slope of the trail and have mesh cover to prevent small animals from entering the drain pipe.

The channel basin system shall be manufactured by ADS Worldwide-DrainTech http://www.ads-pipe.com/en/documentlisting.asp?documenttypeID=444 or approved equal, and installed according to manufacturer’s instructions. The area to be treated is approximately 50 feet. Exact measurements will be taken at the time of installation.

Lions Eye Trail Work list

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