PROJECT_DESCRIPTION_OR_PRA_CRLA_2013(1).pdf

Project Description

OR PRA CRLA 2013 (1), Crater Lake National Park Rockfall Mitigation, Phase I and II, Klamath County, Oregon

This project includes 12 rockfall mitigation areas at various locations within Crater Lake National Park. The work consists of rock Scaling, rock bolting, rock dowels, draped mesh, grouted riprap buttress and other smaller items of work.

• West Rim Drive o Slope 21 – Corner before Wizard Island Overlook – scaling o Slope 23, 24 and 25 – Wizard Island Overlook – scaling o Slope 30 – Watchman Cut – scaling

• East Rim Drive o Slope 75 - Anderson Point – scaling, rock bolt/dowels, buttresses, rock mesh o Slope 82, 84, 84, 85 – Dutton Cliffs – scaling o Slope 91, 93 – Sun Point – scaling

Tentative Fixed Completion Date: Fall 2014 (Once solicitation is issued, see FAR Clause 52.211-10 for exact date.)

Estimated Price Range: $1 million to $2 million

Location: Approximately 60 miles northwest of Klamath Falls, Oregon in Crater Lake National Park

DESCRIPTION OF WORK in US CUSTOMARY UNITS Type of Work Quantity

DIVISION 150 – Project Requirements 152 Construction Survey & Staking Yes 153 Contractor Quality Control and Assurance Yes 154 Contractor Sampling & Testing Yes 155 Schedules for Construction Contracts (construction schedules) Yes 157 Soil Erosion Control Devices

Sediment wattle Check dam

240 lnft 30 each

158 Watering for Dust Control 100 mgal DIVISION 250 – Slope Reinforcement and Retaining Walls

251 Riprap, class 4, grouted buttress 350 cuyd 260 Rock Bolts 900 lnft 261 Rock Dowels 180 lnft

DIVISION 400 – Asphalt Pavements & Surface Treatments 404 Minor Hot Asphalt Concrete (asphalt concrete pavement) 24 ton

DIVISION 600 – Incidental Construction 623 Special labor, slope scaling 4150 scaler hour 651 Rockfall Protection, draped mesh 580 sqyd 651Temporary rockfall protection lpsm