1. CONSTRUCTION DRILLING INC. SPECIALIZING IN UNIQUE DRILLING AND CUT-OFF WALL SOLUTIONS

2. 25 YEARS OF EXPERIENCE ROCK AND SOIL DRILLING CUT-OFF/DIAPHRAGM WALLS STRUCTURAL WALLS BUILDING AND BRIDGE FOUNDATIONS EXCAVATION SUPPORT PILEDRIVING SHEET PILES WIND and ELECTRICAL TOWER FOUNDATIONS

3. ROCK AND SOIL DRILLING 6 to 2.5 METER DIAMETER DRILLS DEPTHS REACHING OVER 100 METERS DRILLING IN MARINE AND LAND BASED ENVIRONMENTS DRILLING THROUGH ANY ROCK OR SOIL

4. CDI DRILLING SYSTEMS

5. BARBER DR40 DRILLS THROUGH ROCK AND SOIL EFFICIENTLY DRILLS OVER 100 METERS DEEP DRILLS UP TO 40 DIAMETER MOBILE QUICK SETUP

6. WIRTH DRILL DEEP DRILL DEPTHS DRILLS THOUGH ANY ROCK AND SOIL UP TO 3.5 METER DIAMETER REVERSE CIRCULATION CLOSED SYSTEM

7. WIRTH DRILL SYSTEM

8. SOILMEC R-416 FAST DRILLING/AUGERING QUICK SETUP MOBILE 16- 4 METER DIAMETER

9. DOWN-HOLE HAMMER FAST DRILLS THROUGH HARD ROCK WORKS WELL WITH CASING UP TO 2.4 METERS DIAMETER

10. LODRILL LOW HEAD ROOM WORKING CONDITIONS ROUGH TERRAIN MOBILE FAST

11. ROTATOR CDI DESIGNED AND BUILT DRILLS THROUGH ROCK AND SOIL UP TO 40 DIAMETER COMPACT VERSATILE

12. WORKING IN ENVIRONMENTALLY SENSITIVE AREAS

13. DRILLING IN ALL TERRAINS

14. TRANSPORT BY RAIL

15. WORKING ON SLOPES

16. CUT-OFF and DIAPHRAGM WALLS PREVENT UNDERGROUND MIGRATION OF CONTAMINANTS GROUNDWATER CONTROL EXCAVATION SUPPORT (vertical walls) STRUCTURAL CAPABILITIES DELINIATE CLEAN FROM CONTAMINATED AREAS PROPERTY LINES PASSIVE WALLS – ACTIVE FILTRATION OF GROUNDWATER

17. TYPICAL CUT-OFF WALL OPERATION

18. CUT-OFF WALLS ENABLE VERTICAL EXCAVATION

19. SECANT DESIGN AS STRUCTURAL WALL

20. SECANT WALL AS SHORING

21. SECANT REINFORCEMENT DESIGNS

22. CLOSE PROXIMITY TO PROPERTY LINES AND BUILDINGS

23. LOW DISTURBANCE INSTALLATION

24. CASE STUDIES

25. SECANT WALL, Victoria BC CHALLENGES – Foreshore Installation of Secant Wall – Boulder/Rip Rap Substrate – Caissons 10 meters below sea level – Tidally Influenced – Concerns of caisson deviation

26. SECANT WALL, Victoria BC SOLUTIONS – Installation of earth berms to contain water – Specially designed tools for drilling and removing obstructions – Pumps and Bailers to remove water – Specialized tremie pipe system for pouring concrete under water – Design and build specific guide wall to align caissons

27. WALL GUIDE

28. SECANT WALL MINE SHAFT, Ontario CHALLENGES – Sub-surface layer of fractured rock – High ground water inflow rate – Running sand at 10-12 meters

29. SECANT WALL MINE SHAFT, Ontario SOLUTIONS – Advance socket through fractured layer – Utilize special tool to remove sand – Create positive head pressure with water to prevent sand from re-entering caisson

30. SECANT WALL GUIDE

31. SECANT WALL MINE SHAFT

32. HEALTH & SAFETY AND ENVIRONMENTAL PROTECTION CORE CERTIFIED COMPREHENSIVE HEALTH AND SAFETY PROGRAM – Toolbox Meetings – Safe Work Practices – Hazard Control Procedures – Near Miss Reporting SPILL RESPONSE TRAINED EXPERIENCED SUPERVISORS/FOREMAN

33. CONSTRUCTION DRILLING INC. SUMMARY SPECIALIZE IN UNIQUE AND DIFFICULT DRILLING/AUGERING AND CUT-OFF WALL SOLUTIONS. 150+ YEARS OF COMBINED EXPERIENCE INNOVATIVE SOLUTIONS WORLDWIDE CAPABILITIES

34. CONSTRUCTION DRILLING INC. SPECIALIZING IN UNIQUE DRILLING AND CUT-OFF WALL SOLUTIONS