ONGRADE® SYSTEMS
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C Ditch Witch® Equipment Solutions HDD Gravity Sewer Installations

With OnGrade, You’re On The Right Track. Ditch Witch® OnGrade™ is the most advanced, most The advantage of the OnGrade method over other grade- accurate system for installing new gravity-flow sewer drilling methods is a laser-guided reference point from the systems using horizontal directional drilling. entry to the exit pits. From this fixed reference all depth measurements are taken—no need for pre-survey of The patented OnGrade system utilizes laser technology, reference points, recalculation of depths at points along advanced Ditch Witch electronics, and the industry’s most the bore...

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Grade Pole • Pre-survey and reference points not required • Couples with the 8500TK tracker for continuous grade reference during the bore • Simple depth/grade target for driller • Can cover 13 ft (4 m) of elevation change with extensions • Includes protective carrying case 8500TK Tracker/Display and 850BG Beacon • 60 roll positions • Offset locating capability • Drill-through functionality with left/right guidance • 0.1% pitch resolution • Functions with the laser grade pole • Includes protective carrying case AS2 Grade Laser (optional) • Class II laser • Requires line-of-sight...

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Know whafe belOW Call before you dig. < Ditch Witchditchwitch.com THE CHARLES MACHINE WORKS, INC. DITCH WITCH WORLDWIDE HEADQUARTERS PERRY, OK 73077-0066 U.S.A. TOLL FREE 800 654 6481 PHONE 580 336 4402 FAx 580 336 3458 INTERNATIONAL FAx 580 572 3561 FOR INFORMATION ABOUT EASY FINANCING AND TO FIND THE DEALER NEAREST YOU, vISIT DITCHWITCH.COM. groundbreaking equipment from the company that launched the industry COMPACT UTILITY | TRENCHERS | HDD | ELECTRONICS CERTIFIED QUALITY MANAGEMENT SYSTEM ISO 9001:2000 LFCMWC320401-0811-1 ©2011 The Charles Machine Works, Inc.

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