AG-0489-S-10-0210 Drawings.pdf

Work Summary Road Number 7785

General Notes:

1 During the staking of work Items, contractor shall utilize MP reference points to assure the correct location of work items in the work summary.

2 Contractor shall provide at least 72 hours notice to the contracting officer prior to working within the stream bed or bank full width of North Fork Katherine Creek.

3 Contractor shall erect at the junction of Hwy 203 and Catherine Creek Lane and at the beginning of the project (MP 1.573) Contracting Officers approved traffic control information signs pertaining to construction equipment, authorized delays dates of planned activity and "American Recovery and Reinvestment Act" a minimum of 10 days prior to commencing reconstruction operations. Contractor is responsible to obtain authorization from the Union County Road master prior to placing information signing on the county road.

Written authorization from the county to the contractor shall be provided to the Contracting Officer.

4 Contractor shall protect all adjacent fences from damage. Fences required to be removed to perform work shall be reinstalled and repaired. Fences shall be reconstructed to properly function and be type and design of adjacent fences. Contractor shall provide new materials as approved by the contracting officer for the reconstruction of fences. Reconstruction and replacement of fences is an indirect cost to other work items.

5 Surface turn outs at locations as shown in the work summary, dimensions are 8' X 50' . Five additional turnouts shall be staked by the Contracting Officer (8' X 50') after reconditioning is completed. Quantities are included in section 301.

6 Item 20303- Salvage Cattleguards and remove to 3502 Highway 30 LaGrande, OR

7 Excavation disposal areas will staked on the ground by the CO. Disposal areas shall be shaped to match existing slopes and reduce visual impact on the landscape. Erosion mats and bales shall be used to minimize sedimentation in nearby ditches and streams.

8 Install erosion control for all culvert installations where sediment may impact Catherine Creek or North Fork Catherine Creek. Use a combination of straw bales, sedi-mats, silt fence, and temporary settling ponds or any other approved BMP to achieve maximum water quality.

9 Cattleguard installation to include reinstallation of bypass gates with new material. (incidental to pay item 61907)

10 This project shall be performed under Construction Tolerance E.

Page 14 Work Summary Road 7785

Mile Post Item No. Work Description Notes

1.573 R Ref Point Lt.

1.573 Beginning of Project

1.573 to

6.037 15901 Begin Reconstruction staking

20101 Begin clearing and grubbing as per typical section and specifications.

30102 Begin placing base course Grading D, 3/4" minus as per Table 703-2. Compacted depth 6 inches.

30301 Begin reconditioning the full width of existing subgrade. Remove all berms and obstructions impeding the flow of surface water upon the subgrade. Recondition ditches and existing road junctions (50 LF approach).

1.573 Remove and replace existing cattleguard. Install new base and elevate 6 inches above existing grade. Replace cattleguard wings left and right. Replace bypass gate.

1.573 30102 Place surfacing 30 feet back of BOP on County road to provide transition to new cattle guard elevation.

1.680 30301 Construct Turnout Left

1.700 60218 Install 18" x 33'L CMP

1.735 30301 Construct Turnout Right

1.829 to 1.854

20302, 25103, 25108, 61903, Place Toe Key Rock 40' Long. Toe key rock to be 36" to 48" diameter. Place 4' high class 3 rip rap on road fill slope. Remove and replace barb wire fence as necessary for construction. Rock jack at beginning and end of fence segment as needed.

1.860 30101 Begin placing 2' select borrow fill as per Surfacing Detail sheet 4 of 18 in plans. Full depth to end at MP 1.860.

1.875 20301, 20302, 60218, 61903

Remove existing CMP and Install 18" x 65'L CMP. Remove and replace 50' of 4 strand barb wire, rock jack ends as needed.

1.930 30101 End placement of 2' borrow fill. Full depth to end at MP 1.930.

1.995 30301 Construct Turnout Right

2.027 20301, 60218 Remove existing CMP and Install 18" x 35'L CMP.

2.070 30101 Construct Drain Dip with Borrow (see sheet 7 of 18)

2.125 25103, 25108 Place Toe Key Rock. 20' long ahead and back of existing boulder to be staked by CO. Toe Key Rocks to be 36"-48" diameter. Use Rip Rap class 3 on fill slope.

2.166 20301, 60224 Remove existing CMP and Install 24" x 28'L CMP.

Page 15 Work Summary

Mile Post Item No. Work Description Notes

2.238 20301, 60224 Remove existing CMP and Install 24" x 26'L CMP. Construct 4' wide x 8' long catch basin at inlet

2.257 20301, 60224 Remove existing CMP and Install 24" x 26'L CMP. Construct 4' wide x 8' long catch basin at inlet

2.277 30301 Construct turnout right

2.310 20402, 30101 Begin 8' road alignment shift into hillside. Taper 50' ahead and back to CL of existing roadway.

Remove unsuitable material from swampy areas and utilize select borrow.

2.330 20302, 25103, 25108, 61903, Begin placing Toe Key Rock. Toe key rock to be 36" to 48" diameter. Place 4' high class 3 rip rap on road fill slope. Remove and reinstall barb wire fence as necessary for construction. Barb wire shall be constructed of new material. Rock jack at beginning and end of segment as needed.

2.330 60218 Install 18" x 32' CMP. Ditch spring into culvert inlet.

2.360 20301, 60224 Remove existing CMP and Install 24" x 26'L CMP. Construct 4' wide x 8' long catch basin at inlet

2.370 20302, 25103, 25108, 61903, End Toe Key Rock and riprap placement.

2.378 20402, 30101 End 8' road alignment shift.

2.450 20402 Begin 2' deep, 3' wide flat bottom ditch with 2:1 side slopes

2.450 30101 Begin placing 1' select borrow fill as per Surfacing Detail sheet 4 of 18 in plans. Full depth to begin at MP 2.450.

2.450 20301, 60218 Remove existing CMP and Install 18" x 32'L CMP

2.473 20301, 60218 Remove existing CMP and Install 18" x 32'L CMP

2.473 20302, 25103, 25108, 61903, Begin placing Toe Key Rock. Toe key rock to be 36" to 48" diameter. Place 200' long x 4' high class 3 rip rap on road fill slope as staked by CO. Remove and replace barb wire fence as necessary for construction. Fence shall be replaced with new material. Rock jack as needed.

2.500 20301, 60224A Remove existing CMP and Install 24" x 37'L CMPA

2.510 20302, 25103, 25108, 61903, End Toe Key Rock and riprap placement.

2.516 30101 End placement of 1' borrow fill. Full depth to end at MP 2.516.

2.532 60224 Install 24" x 26'L CMP.

Page 16 Work Summary

Mile Post Item No. Work Description Notes

2.532 20402 Begin 2' deep, 3' wide flat bottom ditch with 2:1 side slopes

2.574 20402 End 2' deep, 3' wide flat bottom ditch.

2.626 30101 Begin placing 1' select borrow as per Surfacing Detail sheet 4 of 18 in plans. Full depth to begin at MP 2.626.

2.626 20301, 60218 Remove existing CMP and install 18" x 32'L CMP

2.639 20301, 60236A Remove existing CMP and Install 36" x 29'L CMPA

2.710 20303, 61907 Remove and replace existing cattleguard. Replace cattle guard wings left and right. Replace bypass gate. Utilize select borrow to elevate new base 18" higher than existing.

2.723 30301 Construct turnout right.

2.725 30101 End placement of 1' borrow fill. Full depth to end at MP 2.725.

2.758 20301, 30101, 60224A Remove existing CMP and Install 24" x 29'L CMPA.

2.789 30101 Begin placing 18" select borrow as per Surfacing Detail sheet 4 of 18 in plans. Full cover fill to begin at MP 2.789.

2.849 60218 Install 18" x 36' CMP

2.909 30101 End placement of 18" borrow fill. Full depth to end at MP 2.909.

2.969 30301 Junction 7785700. Construct turnout left.

3.136 30301 Construct turnout right

3.280 20303, 61907 Remove and replace existing cattleguard. Replace cattle guard wings left and right. Replace bypass gate. Install new base 4" higher than existing.

3.317 60218 Install 18" x 25'L CMP.

3.317 30101 Begin placing 1' select borrow as per Surfacing Detail sheet 4 of 18 in plans. Full depth to begin at MP 3.317.

3.355 60218 Install 18" x 30'L CMP

3.385 60218 Install 18" x 30'L CMP

3.408 30101 End placement of 1' borrow fill. Full depth to end at MP 3.408.

3.449 30101 Begin placing 1' select borrow as per Surfacing Detail sheet 4 of 18 in plans. Full depth to begin at MP 3.449.

Page 17 Work Summary

Mile Post Item No. Work Description Notes

3.449 60218 Install 18"x 36' CMP

3.461 30101 End placement of 1' borrow fill. Full depth to end at MP 3.461.

3.498 30301 Construct turnout right

3.539 R Guage station right

3.676 20301, 60224A Remove existing CMP and Install 24" x 42'L CMPA. Construct turnout right.

3.725 30301 Construct turnout left

3.822 30301 Construct turnout right

3.938 Waste disposal area left Other disposal areas to be agreed to by CO as needed

3.941 30301 Construct turnout right

3.986 30101 Construct Drain Dip with Borrow (see sheet 7 of 18)

4.032 60248, 30101, 64801

Lick Creek- Remove existing 30" x 28' CMP and Install 8' span x 4' rise x 36' long Multi-Plate arch culvert. See sheet 6 of 18 in plans for detail.

4.076 60218 Install 18" x 34'L CMP.

4.101 R Buck Creek Bridge

4.375 20301, 30101, 60218

Remove existing CMP and Install 18" x 35' CMP with 18" borrow fill cover as per Cover Fill Typical #1. See sheet 7 of 18 in plans for detail.

4.417 30301 Construct turnout right

4.458 30101 Construct Drain Dip with Borrow (see sheet 7 of 18)

4.530 20301, 60218 Remove existing CMP and Install 18" x 35'L CMP.

4.642 30301 Construct turnout left

4.700 20301, 60218 Remove existing CMP and Install 18" x 32'L CMP. See sheet 7 of 18 in plans for detail.

4.758 30101, 60218 Install 18" x 30' CMP with 18" borrow fill cover as per Cover Fill Typical #1. See sheet 7 of 18 in plans for detail.

4.853 30301 Construct turnout right

4.963 to

4.987 20402 Shift road left 8' into hill with 1:1 side slope. Transition 50' ahead and back into existing CL.

Potential disposal area at 5.555.

Other disposal areas to be agreed to by CO as needed

5.000 30301 Construct turnout right

Page 18 Work Summary

Mile Post Item No. Work Description Notes

5.140 30101 Construct Drain Dip with Borrow (see sheet 7 of 18)

5.186 20301, 30101, 60218

Remove existing CMP and Install 18" x 35' CMP with 18" borrow fill cover as per Cover Fill Typical #1. See sheet 7 of 18 in plans for detail.

5.206 30301 Construct turnout right

5.279 20301, 60218 Remove existing CMP and Install 18" x 35'L CMP.

5.386 30301 Construct turnout right

5.421 20301, 60218 Remove existing CMP and Install 18" x 35'L CMP.

5.461 R Group Camp Right

5.490 30101 Construct Drain Dip with Borrow (see sheet 7 of 18)

5.555 Potential waste disposal area left Other disposal areas to be agreed to by CO as needed

5.608 to

5.628 20402 Shift road left 8' into hill with 1:1 side slope. Transition 50' ahead and back into existing CL.

Potential disposal area at 5.555.

Other disposal areas to be agreed to by CO as needed

5.631 30301 Construct Drain Dip with Borrow (see sheet 7 of 18)

5.675 30301 Construct turnout right

5.930 30301 Clean inlet and outlet of existing CMP

5.940 20301, 60218 Remove existing CMP and Install 18" x 44'L CMP.

5.943 30101 Construct Turnout Left

6.037 End all Work Items

6.037 End of Project