Accurate, Small Diameter Pipe Jacking Applications With and Without Pilot Tubes Troy Stokes

Guided Boring Machine (GBM) Concept Installing Pipe With the GBM Using Pilot Tube Technology Questions & Answers

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AKKERMAN Guided Boring Machine First GBM Manufactured in 2001 Diameters: 4-48in (102-1220mm) OD Quick Setup Small Footprint Versatile Common Types of Pipe: Clay Concrete Hobas Polycrete Steel Casing

Guided Boring Method … What Is It? An extremely accurate method of installing small diameter pipe with the grade and alignment precision required to meet the demands of the sewer, water and utility industry.

Displaceable Ground Conditions *** N Value or SPT = < 50 *** Pull Back (PVC, HDPE, etc.) Hybrid: Guidance System for Auger Boring Guidance System for Pipe Ramming Guidance System for HDD

GBM vs. Slurry Microtunneling Guided Boring Machine (GBM) Slurry Microtunneling The GBM system offers a low cost of operation, a small work area and minimal crew training, can use pilot tubes for obstacle detection Slurry microtunneling requires a higher initial investment, experienced crew is necessary, use is diameter dependent, water tight shaft with pit seals Diameter Range Guidance System Active, laser Minimum Shaft Size Auger/dirt bucket system Spoil Management Slurry separation equipment Displaceable with pilot tubes Ground Conditions Most suitable for saturated and flowing materials Active,...

Guided Boring Operation Guided Boring Machine 3-Step Process M Step 1: Precise Installation of Pilot Tubes Step 2: Advancing Casings and Augers Along Pilot Tube Path Illuminated Target shown on the Computer Screen Monitor Step 3: Augers and Casings Step 3: The Powered Reaming Head (PRH) Step 3: The Powered Cutter Head (PCH) Typically for Installations of 11" OD up to Typically for Installations of 14" OD up to Typically for Installations of 20" OD up to 16" Final Product Pipe _ 20" Final Product Pipe M 28.5" Final Product Pipe

GBM Guidance System Accuracy = ¼ in @ 300ft (6mm @ 92m)

Dual Wall Pilot Tube Lubrication Air / Nitrogen

Quick Assembly Long Life Universal Designed for Pull Back

GUIDED BORING METHOD WITH POWERED CUTTER HEAD Step 1: PRECISE INSTALLATION OF PILOT TUBES The firs': step s the Tati'JaSori rf sr« p-a', luoe a** ie ana g-™*e Step 2z ADVANCING THRUST CASINOS ALONG PILOT TUBE PATH The second csep a to '-oCaw tne pilot iutoe mrtn 4 reon* ng heed or attwf jpuirtg 'mi and stniyJond thn,nl eating* Step 3: INSTALLATION OF PRODUCT PIPE WITH POWERED CUTTER HEAD in the ffirfTi ctep. the porttiea t_r:er nead fcAHK he ttvust cac-ngt n - raraue me tore t&

The Powered Cutter Head (PCH) is an upsizing tool for a variety of ground conditions PCH Model Frame Type

GUIDED BORING METHOD WITH POWERED REAMING HEAD Step 1: PRECISE INSTALLATION OF PILOT TUBES The f*sl step is the- installation of the p::ot tube on lire, and grade Step 2: ADVANCING THRUST CASINGS ALONG PILOT TUBE PATH The second slep is 10 SC+IDW the pilot tjbe with a ream4ig head or other upsizing tool and standard 1 V QDihrusf. casingp. Step 3: INSTALLATION OF PRODUCT PIPE WITH POWERED REAM IMG HEAD In the third step, the powered reaming head fallows the thrust casings to increase the bore to match the product pipe d aniEter.

Powered Reaming Head (PRH) Kit = 14 / 16 / 20” (350 / 400 / 500 mm) OD Install Multiple Diameters With One Kit

Designed for Non-Displaceable Soils Bullet Teeth Hollow Augers Works With All Sizes of GBM Jacking Frames

GUIDED BORING METHOD WITH POWERED CUTTER HEAD Step 1: PRECISE INSTALLATION OF PJLOT TUBES The firs': step s the ^la a^on of tiepka! m Step £ ADVANCING THRUST CASINOS ALONG PILOT TUBE PATH The second crep s to Inflow tne p-toi h/be inra reon* r>ead Df -other upwuig looi. arid stn-ntjard thjuss casings. Slep 3: INSTALLATION OF PRODUCT PIPE WITH POWERED CUTTER HEAD \TI the th*u step, the powered C^TST wad to. orvs lw thru-si casings u -nc^Me tne tors ta motefi the product p pe d^i™tr.

Akkerman GBM Jacking Frames offer unmatched versatility and advanced engineering GBM Model Frame Type

Every jacking frame needs hydraulic power, Akkerman Power Packs provide the right match Pump Unit Model Power Level

Guidance For Auger Boring Machines

Why Should I Guide My Auger Rig? Improved Accuracy Longer Drives Possible Smaller Faster Bullet Teeth Casing Sizes Less Find Dewatering Obstacles Before They Find You!

Typical Casing Accuracy “The 1% Rule” 3’ per 300’ Drive Avg Deviation

GBM Frame Mounted on Auger Rig

Auger Boring Sighted Down Machine Center Of Pilot Tubes Auger Boring

GBM Frame Mounted on Auger Rig

GBM Frame Mounted on Auger Ri Auger Boring Sighted Down Center Of Pilot Tubes GBM Single Stage Frame With Auger Boring Adapter Pilot Tube Auger Boring Steel Casing

Steel Casing Adapter

GBM Frame Mounted on Auger Ri Auger Boring Sighted Down Center Of Pilot Tubes GBM Single Stage Frame With Auger Boring Adapter Dua|.Wa||ed Pilot Tube Auger Boring Steel Casing Two Stage Weld-On k \ Reaming Head steel Casing ^ Weld-On Reaming Head Pilot Tube

Steel Casing Adapter

GBM Accessories – Auger Boring Weld-On Reaming Head Adapters Pilot Tube Swivel

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