Worklist.pdf

Base Road 6317 Milepost Description

0 Begin Ditch and Shoulder Reconditioning.

2.112 Log Bridge

2.889 70' Bridge

4.621 70' Bridge

4.72 Junction 6371 Road. End Ditch and Shoulder Reconditioning.

Road 6319 Milepost Description

0 LTF. Begin Ditching.

1.45 Jct 43003 (Road to FS camp)

1.49

There are two culverts that will be removed durring excavation. Culvert removal is incidental.

Note: Contractor is repsonsible for providing riprap. Suitable riprap material is not expected to be available on the Portage Bay Road System.

2.609 End ditching. Remove 40' Hamilton Bridge and log substructure.

Transport bridge to 6323 MP 3.007. Install 60' Hamilton bridge from 6372 MP 0.335.

5.98 50' Bridge

8.325 40' Bridge

8.935 50' Bridge

8.95 Jct 6323 Road.

Road 6323 Milepost Description

0.251 80' Bridge

1.552 80' Bridge

3.007 Remove existing 38' log bridge. Install 40' Bridge from 6319 MP 2.609.

Road 6372 Milepost

0.335 Remove 60' Hamilton Bridge. Transport bridge to 6319 MP 2.609 for installation. This bridge includes a concrete spreadfooting substucture.

Install 8 Waterbars between bridge site and end of road.

Option Worklists Option 1 Brush 6319 road from LTF to MP 9.64. (unit 169) 9.64 miles Brush 6323 road from Jct 6319 to MP 4.45 (unit 224) 4.45 miles

Option 2 Ditch and shoulder recondtioning 6317 MP 4.72 (Jct 6371) to MP 7.74 (Jct 43000) 3.02 Miles

Option 3 5 miles of ditching on the Portage Bay road system in segments not less than 0.5 miles in length.

Construct 15' wide Drivable Ford. See Ford For OHV Fish Stream Crossing Typical Drawing. 80 CY class 6 riprap. Fill voids between rocks with suitable material from roadway excavation.

Slopes entering and exiting shall not be steeper than 3H:1V for the entire width of the roadway, 170 CY excavation. Use some material to fix wash out a little past major washout. Haul the rest to a site designated by the engineer (less than 1 mile).

Portage Bay Washout Bridge Repair Project-Worklist

Worklist