Feb 2010 Portland Same Presentation Vs 1.6
- 1. Contract No. W9127N-09-C-0026 U.S. Army Corps of Engineers Portland DistrictColumbia River Channel Improvements (CRCI) Rock Removal 2009
- 3. Vital U.S. Export GatewayPrimary international export gateway for 11 states in the Pacific Northwest & Upper Midwest 1st in the nation for U.S. wheat exports 2nd largest export gateway on West Coast 3rd in the world for grain exportsConstruction ContractsFY 2005 Great LakesFY 2006 Bean/StuyvesantFY 2007 J.E McAmis Inc./ Consolidated Rock at Port of VancouverFY 2007 - 2008 Great Lakes FY 2009 J.E. McAmis Inc.
- 5. Congressional Study Resolution Aug 89Feasibility Study Initiated Apr 94Draft Feasibility Report/EIS Oct 98Final Feasibility Report/EIS Aug 99Oregon CZMA Dec 99USFWS and NMFS Bi-Ops Dec 99Project Authorization Dec 99NMFS Bi-Op Withdraw Aug 00State Water Quality Denials Sep 00Corps Reinitiates Consultation Sept 00Corps Decides to Supplement Jan 02Integrated Feasibility Report/EISWashington State Environmental Policy Act-- Port of Longview; Lead AgencyNMFS and USFWS Bi-Ops May 02Draft Supplemental EIS Jul 02Final Supplemental EIS Jan 03
- 6. St. Helen’s Area550,000 SF Drilling and Blasting 500,000 CY DredgingLongview Area2,500,000 CY DredgingCRCI 2009 PROJECT COMPONENTS
- 7. ST. HELENS PROJECT COMPONENTS
- 8. Test DigElectrical Resistivity TestingSeismic Refraction ExplorationST. HELENS AREA PRELIMINARY INVESTIGATION
- 10. Introduction: To help determine the extent of basalt bedrock and the degree of fracturing in the study area.Electrical Resistivity Exploration
- 12. Seismic Refraction ExplorationAll of the bedrock velocities measured in this study exceeded 14,600 ft/sec.
- 14. Rock would require preparation by blasting and efficient dredging of prepared rock would not be feasible by any means other than a large excavator type dredge.Conclusions of Preliminary Investigations
- 15. Type of explosivesBlasting platform & support equipmentPreparation and loading of blast holesCompliance with blast induced effects:Underwater overpressureGround vibrationBlast PatternsScheduleDetermining Proper Blasting Methods
- 16. Blasting Platform and Support Equipment
- 25. Preparing Charge
- 26. CAST BOOSTER
- 27. Preparing Charge
- 28. Loading Holes
- 29. Loading Holes
- 30. Loading Holes
- 33. Stemming Holes
- 35. Typical Section of Loaded Hole
- 36. Series of Loaded Holes
- 37. Typical Overview of Production Blast
- 38. Inspection of Shot Lines
- 39. Notifications:Two Hour-15 Minute-5 Minute-Countdown-BLAST!!!All Clear for SurveyChannel Reopened for Commercial Traffic
- 40. Fire in the Hole
- 53. Dredging and Disposal Operations
- 55. Outcome
- 59. 100% of dredge prism taken to grade500,000 cubic yards of material transported to Ross Island Lagoon for environmental remediationNo water quality violationsNo negative environmental impacts Results
- 60. Total number of holes drilled: 3,750 holes +Total pounds of explosives: 240,000 lbs (120 tons) +Total feet of shot line: 1,000,000 lf +Total number of blasts: 95 blastsTotal number of drilling days: 85 daysTotal number of jobs created: 75 (60 local jobs)Total number of man hours: 35,000 hoursTotal number of square feet blasted: 550,000 sfTotal number of cubic yards removed: 500,000 cyTotal number of lost time accidents: 0Total number of environmental incidents: 0Total number of salmonoids/steelhead taken: 0Total number of marine mammals harmed: 0Total percentage of time ahead of schedule: 25%Final Project Numbers
- 61. Questions?