CONSTRUCTION DRILLING INC.

SPECIALIZING IN UNIQUE DRILLING AND CUT-OFF WALL

SOLUTIONS

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

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

CDI DRILLING SYSTEMS

BARBER DR40

• DRILLS THROUGH ROCK AND SOIL EFFICIENTLY

• DRILLS OVER 100 METERS DEEP

• DRILLS UP TO 40“ DIAMETER

• MOBILE

• QUICK SETUP

WIRTH DRILL

• DEEP DRILL DEPTHS

• DRILLS THOUGH ANY ROCK AND SOIL

• UP TO 3.5 METER DIAMETER

• REVERSE CIRCULATION CLOSED SYSTEM

WIRTH DRILL SYSTEM

SOILMEC R-416

• FAST DRILLING/AUGERING

• QUICK SETUP

• MOBILE

• 16”- 4 METER DIAMETER

DOWN-HOLE HAMMER

• FAST

• DRILLS THROUGH HARD ROCK

• WORKS WELL WITH CASING

• UP TO 2.4 METERS DIAMETER

LODRILL• LOW HEAD ROOM

WORKING CONDITIONS

• ROUGH TERRAIN

• MOBILE

• FAST

ROTATOR• CDI DESIGNED AND

BUILT

• DRILLS THROUGH ROCK AND SOIL

• UP TO 40” DIAMETER

• COMPACT

• VERSATILE

WORKING IN ENVIRONMENTALLY SENSITIVE AREAS

DRILLING IN ALL TERRAINS

TRANSPORT BY RAIL

WORKING ON SLOPES

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

TYPICAL CUT-OFF WALL OPERATION

CUT-OFF WALLS ENABLE VERTICAL EXCAVATION

SECANT DESIGN AS STRUCTURAL WALL

SECANT WALL AS SHORING

SECANT REINFORCEMENT DESIGNS

CLOSE PROXIMITY TO PROPERTY LINES AND BUILDINGS

LOW DISTURBANCE INSTALLATION

CASE STUDIES

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

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

WALL GUIDE

SECANT WALL MINE SHAFT, Ontario

• CHALLENGES– Sub-surface layer of fractured rock– High ground water inflow rate– Running sand at 10-12 meters

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

SECANT WALL GUIDE

SECANT WALL MINE SHAFT

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

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

CONSTRUCTION DRILLING INC.

SPECIALIZING IN UNIQUE DRILLING AND CUT-OFF WALL

SOLUTIONS