PROJECT DESCRIPTION:
This project is located in Des Lacs National Wildlife Refuge near the city of Kenmare, North Dakota. The project includes aggregate resurfacing, sub excavation, ditch excavation and reconditioning, and culvert replacement on Auto Tour Route 011 Lower Lake Road. Resurfacing the roadway and drainage improvements will provide a more consistent width and improve roadway conditions that have been deteriorating due to weather events and lack of routine maintenance. The proposed improvements will enhance user experience by providing an updated road surface and allow for easier maintenance by the Refuge.
SCOPE OF THE WORK:
This project is to rehabilitate and repair Auto Tour Route 011 Lower Lake Road from approximately milepost 0.0 to mile post 2.0. The project is broken into a base Schedule and three options.
Schedule A: Drainage improvements from 15+75 to 89+50 including spot culvert and/or end section replacement, culvert cleaning, ditch excavation, ditch reconditioning, spot sub excavation, and roadway excavation. Decades of grading the gravel surface has created a berm along the roadway cutting off surface drainage to most of the existing ditches.
Option X: Aggregate surfacing from 15+75 to 60+00.
Option Y: Aggregate surfacing from 60+00 to 89+50
Option Z: Drainage improvements and Aggregate Surfacing from 89+50
to 118+85 including spot culvert cleaning, ditch excavation, and ditch
reconditioning.
PRINCIPAL WORK ITEMS:
Approximate quantities for major work items:
Schedule A:
- 20101-0000 CLEARING AND GRUBBING: 2.2 ACRE
- 20301-1200 REMOVAL OF HEADWALL: 6 EACH
- 20302-2100 REMOVAL OF PIPE CULVERT: 145 LNFT
- 20401-0000 ROADWAY EXCAVATION: 120 CUYD
- 20402-0000 SUBEXCAVATION: 415 CUYD
- 20425-1000 DITCH, EXCAVATION: 1,800 LNFT
- 62901-1200 ROLLED EROSION CONTROL PRODUCT, TYPE 5.A: 9,000 SQYD
- 60201-0800 24-INCH PIPE CULVERT: 40 LNFT
- 60201-0900 30-INCH PIPE CULVERT: 70 LNFT
- 60210-0800 END SECTION FOR 30 -INCH PIPE CULVERT: 6 EACH
Option X:
- 15236-2000 SURVEY CONTROL, GRADE FINISHING: 0.84 MILE
- 20101-0000 CLEARING AND GRUBBING: 1 ACRE
- 30110-0000 AGGREGATE SURFACE COURSE: 4,500 TONS
Option Y:
- 15236-2000 SURVEY CONTROL, GRADE FINISHING: 0.56 MILE
- 20101-0000 CLEARING AND GRUBBING: 0.5 ACRE
- 30110-0000 AGGREGATE SURFACE COURSE: 3,000 TONS
Option Z:
- 15215-1000: SURVEY AND STAKING, APPROACH ROAD: 5 EACH
- 15236-2000 SURVEY CONTROL, GRADE FINISHING: 0.60 MILE
- 20101-0000 CLEARING AND GRUBBING: 1.2 ACRE
- 20425-1000 DITCH, EXCAVATION: 430 LNFT
- 30110-0000 AGGREGATE SURFACE COURSE: 3,300 TONS
- 62901-1200 ROLLED EROSION CONTROL PRODUCT, TYPE 5.A: 1,900 SQYD
