CONSTRUCTION DRILLING INC.

SPECIALIZING IN UNIQUE DRILLING, FOUNDATION AND CONTAINMENT SOLUTIONS

25 YEARS OF EXPERIENCE• ROCK AND SOIL DRILLING• CUT-OFF/DIAPHRAGM WALLS• PASSIVE GROUNDWATER TREATMENT WALLS • ACCESS SHAFTS• DRILLED SHAFTS• OSCILLATOR/ROTATOR DRILLED SHAFTS• SECANT PILE WALLS• SOLDIER PILE WALLS• SHORING WALLS• BUILDING AND BRIDGE FOUNDATIONS• EXCAVATION SUPPORT• SHEET PILES• GROUNDWATER EXTRACTION WELLS

ROCK AND SOIL DRILLING

• 150mm to 3500mm DIAMETER DRILLS– ACCESS SHAFTS UP TO 18m DIAMETER

COMPLETED• DEPTHS REACHING OVER 100 METERS• DRILLING IN MARINE AND LAND BASED

ENVIRONMENTS• DRILLING THROUGH ALL SOIL AND ROCK

CONDITIONS

CDI DRILLING SYSTEMS

BARBER DR40

• DRILLS THROUGH SOIL AND ROCK EFFICIENTLY

• DRILLS OVER 100 METERS DEEP

• DRILLS UP TO 1m DIAMETER

• MOBILE

• QUICK SETUP

WIRTH PILE TOP DRILL

• DEEP DRILL DEPTHS (Over 100m)

• DRILLS THROUGH ALL SOIL AND ROCK CONDITIONS

• UP TO 3.5 METER DIAMETER

• REVERSE CIRCULATION CLOSED LOOP SYSTEM

WIRTH DRILL WATER RECYCLING

HYDRAULIC AUGERS

• DRILLING/AUGERING

• QUICK SETUP

• MOBILE

• 406mm- 3000mm DIAMETER

DOWN-HOLE HAMMER

• DRILLS THROUGH OVERBURDEN AND HIGH STRENGTH ROCK

• CASING ADVANCE SYSTEM

• UP TO 2.4 METER DIAMETER

LODRIL• LOW HEAD ROOM

WORKING CONDITIONS

• ROUGH TERRAIN

• MOBILE

• DRILLS 60 FEET DEEP

ROTATOR• CDI DESIGNED AND

BUILT

• ADVANCE CASING THROUGH ALL SOIL AND ROCK CONDITIONS

• UP TO 1000mm DIAMETER

• COMPACT

• VERSATILE

MARINE APPLICATIONS

WORKING IN ENVIRONMENTALLY SENSITIVE AREAS

TANGENT WALLS

DRILLING IN ALL TERRAINS

TRANSPORT BY RAIL

WORKING ON SLOPES

POINT SOURCE CONTAMINATION REMOVAL

IDEAL FOR; SITES WHERE PLUMES AND CONTAMINATED AREAS

CAN BE DELINEATED SITES WITH LIMITED SPACE WHERE CONVENTIONAL

EXCAVATION IS NOT PRACTICAL CONTAMINATION IS DEEP IN THE GROUND

EXAMPLE: DRY CLEANERS, GAS STATIONS, COMMERCIAL PROPERTIES, SITES WITH PROPERTY LINE ISSUES.

CUT-OFF and DIAPHRAGM WALLS

• PREVENT UNDERGROUND MIGRATION OF CONTAMINANTS

• GROUNDWATER CONTROL• GEOTECHNICAL AND STRUCTURAL

CAPABILITIES (shoring, slope stabilization)• EXCAVATION SUPPORT (vertical walls)• PASSIVE WALLS– ACTIVE FILTRATION OF GROUNDWATER

TYPICAL CUT-OFF WALL OPERATION

CUT-OFF WALLS ENABLE VERTICAL EXCAVATION

COMPLETED WALL

TYPICAL USE OF SECANT DESIGN AS STRUCTURAL WALL

SECANT WALL SHORING

SECANT REINFORCEMENT DESIGNS

EXTRA REINFORCEMENT

CLOSE PROXIMITY TO PROPERTY LINES AND BUILDINGS

LOW DISTURBANCE INSTALLATION

CASE STUDIES

SECANT PILE WALL, Victoria BC

CHALLENGES• FORESHORE INSTALLATION OF SECANT WALL• BOULDER AND RIP RAP SUBSTRATE• CAISSONS 12 METERS BELOW SEA LEVEL• TIDAL INFLUENCE• CONCERNS OF CAISSON DEVIATION

SECANT PILE WALL, Victoria BC

SECANT PILE WALL, Victoria BC

SOLUTIONS• INSTALLATION OF EARTH BERMS TO CONTROL

RUNOFF• SPECIALLY DESIGNED TOOLS FOR DRILLING AND

REMOVING OBSTRUCTIONS• PUMPS AND BAILERS TO REMOVE WATER• SPECIALIZED TREMMIE PIPE SYSTEM FOR POURING

CONCRETE UNDER WATER• DESIGN AND BUILD GUIDE WALL FOR ACCURATE

CAISSON ALIGNMENT

WALL GUIDE

SECANT PILE WALL ACCESS SHAFT

CHALLENGES• SUB-SURFACE LAYER OF FRACTURED ROCK• HIGH GROUNDWATER INFLOW RATE• RUNNING SAND AT 10-12 METERS• DRILLING THROUGH BOULDERS

SECANT PILE WALL ACCESS SHAFT

SECANT PILE WALL ACCESS SHAFT

SOLUTIONS• ADVANCE SOCKET THROUGH FRACTURED

LAYER• UTILIZE SPECIAL TOOL TO REMOVE SAND• MAINTAIN STATIC WATER PRESSURE TO

PREVENT SAND FROM RE-ENTERING CAISSON

SECANT WALL GUIDE

HEALTH & SAFETY AND ENVIRONMENTAL PROTECTION

• COR CERTIFIED• COMPREHENSIVE HEALTH AND SAFETY

PROGRAM– Toolbox Meetings– Safe Work Practices– Hazard Control Procedures– Near Miss Reporting

• SPILL RESPONSE TRAINED• EXPERIENCED SUPERVISORS/FOREMAN

CONSTRUCTION DRILLING INC.SUMMARY

“CONSTRUCTION DRILLING INC. HAS BEEN ON THE LEADING EDGE OF DESIGNING NEW EQUIPMENT AND ADOPTING DIFFERENT

DRILLING TECHNIQUES FOR OVER 25 YEARS. THIS HAS ENABLED CDI TO COMPLETE SOME OF

THE MOST DIFFICULT DRILLING PROJECTS UNDERTAKEN IN THE INDUSTRY”

CONSTRUCTION DRILLING INC.

SPECIALIZING IN UNIQUE DRILLING, FOUNDATION AND CONTAINMENT SOLUTIONS