A02 Project Example.pdf
PDF 72 KB Posted
- Attached to
- Geotechnical Drilling IDIQ
- Solicitation number
- R6-18-09-213050
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Attachment 2 - Project Example
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Text version
4/18/05 1
REQUEST FOR GEOTECHNICAL DRILLING EXPLORATION
Contract # Task Order #
Project Name: Buck Creek Crossing Type: Bridge Foundation Investigation Forest / Agency: Willamette National Forest Requested by: Jenny Slide-Rule Request date June 1, 2005 Management Code (with override): 0618 CMRD01 Location (Nearest town): Oakridge, OR District Middle Fork R.D. Road no. 21 Mile Post 12.5
Emergency Facilities Hospital Name Valley Hospital Location Springfield, OR Phone no. (541) 222-2222
Investigation Objectives: Determine foundation conditions for proposed bridge Drill Rig: truck-mounted X track-mounted skid-mounted other Exploration Method(s): Hollow Stem Auger, Standard Penetration Testing, Core Type of material to be explored: Soil Rock Combination X Estimated depth of holes by site
Site Letter Depth Instrumentation Type and Size (if any) A 45 None N/A B 50 None N/A
Testing & Sampling procedures SPT every 5 feet or change of materials, drill 10 feet into bedrock Number of core boxes needed per size 10 HQ Samples Delivered to: Inspector Site Conditions: 2-lane paved road, heavy traffic, adjacent to sensitive stream Can drive to site? Yes Dozer needed? No Slope % at drill sites 6 % Dozer access construction coordinated by N/A Will have to haul water? Yes Drilling water (ft from site) 1500 ft Utilities: None Utility Location contact N/A Limitations: Adjacent to sensitive stream with Endangered Species present, large boulders in fill Weather restrictions None Site elevation 1800 ft Environmental restrictions: Direct drill return water away from streams, spill containment gear required Special road closure requirements: Contractor to provide work site signs and cones, Government to provide flaggers and off-site signs. Closure of both lanes limited to a maximum of 30 minutes.
Backfill Requirements Follow area guidelines Specific instructions: Bentonite seals at surface, water bearing zones, and below the elevation of the high water mark of the stream channel.
Coordination Forest contact for additional details: Jenny Slide-Rule, Inspector / Engineer Phone numbers: Office (541) 736-5000 Home (541) 867-5309 Tentative Start Date: July 6, 2005 Remarks: Large boulders may be present. Inspector will adjust exploration methods based on site conditions encountered.
* Location map to be sent under separate cover
File details come from the government source that posted it. Updated .