Geoprobe Direct Push Drill Rig (Direct Push Injection, Soil Sampling); Terratechnik Environmental Ltd.

RECENT PURCHASE BY TERRATECHNIK ENVIRONMENTAL:
Geoprobe® Model 420M

Terratechnik has added to its impressive fleet of equipment for complex remediation projects. We have purchased a Geoprobe direct push drill rig. The main benefit of this rig is its versatility in the field for injecting treatment solutions into the subsurface. These injections are termed Direct Push Injections and makes Terratechnik a one stop shop because we now conduct both drilling and chemical injections in house. Additionally, the rig will be useful for assisting in monitoring remediation progress by the collection of discrete soil samples.

The Geoprobe® 420 M is ultra-portable and fairly lightweight rig allowing us to access difficult to reach areas (eg. fits through standard doorway). This powerful little machine was designed specifically to be durable yet as lightweight as possible. At 20 in. wide, 62 in. tall (folded), and weighing less than 425 lb., the 420M can be manually lifted and carried to remote soil sampling or direct push injection locations. It can also be deployed to hard-to-reach and narrow locations.

Geoprobe 420M The rig will be employed by Terratechnik staff to inject treatment solutions such as strong oxidizers (peroxides, persulphates, permanganates), nutrients, sugars, and most proprietary formulations on the market today which are designed for enhancing bioremediation. This includes our own in-house blends of bio-stimulants (carefully balanced N-K-P solutions with trace minerals), the full Regenesis Product Line (ORC®, HRC®, Regenox® etc.), and the Adventus Product Line (EHC®, Remox® etc.). The rig can also be used for injection of Iveysol® and other surfactant formulations for enhanced contaminant transfer into the aqueous phase.

Harsh materials are injected using the powerful DP800 (Max 8 gpm and 650 PSI) Injection Pump and is capable of handling all solutions used in chemical oxidation injections. The robust pump is also mobile & compact and operates independently of the drill rig.

Pressure Activated Injection Probe.jpg Injections create minimal site disturbance, as probe rods create a borehole of only 2.25” diameter. Solutions can be injected strategically at targeted depths. Rods are then pulled back to continue injecting at more shallow soil horizons, as necessary. Upon completion of an injection location, the rods are completely pulled out and the rig easily moved into position ready for the next injection.

Injection performance can also be ramped up with the aid of pressure activated injection probes. The probes force solutions under pressure into the surrounding soils at discrete, pre-determined zones. The probes also contain a back-flow preventer keeping injection material IN the ground and not ON the ground. The unique internal spool design ensures the injection ports do not clog with soil.

Geoprobe® Model 420M Machine:

The Model 420M is a portable and relatively lightweight, hydraulically powered soil probing machine. The unit has a 42-inch (1,067 mm) stroke. The mobile unit can be deployed to extremely hard-to-reach and narrow locations by means of rolling on its two wheels with pneumatic tires. Outriggers are deployed at the back of the frame for stability during probing. The unit is powered using a separate hydraulic power unit via quick-connect hydraulic lines.

(GH42) Geoprobe® Model GH42 Hammer:

Probe rods are driven into the ground with this unit using a model GH42 hammer that has been designed by Geoprobe® Systems specifically for soil probing applications. The GH42 hammer hits at 1800 blows per minute (30 Hz) and delivers forces greater than 15,000 pounds (66.6 kN) per blow to the top of the probe rod (delivered force is dependent upon resistance in the encountered soil). The GH42 is capable of 0-125 rpm bi-directional rotation with 295 ft.-lbs. (400 Nm) of torque. Left-hand rotation is used with hammering for drilling of surface pavement. The primary lower hammer hydraulic seal is specifically designed to be replaceable in the field using only a torque wrench.

(225321) - 2.25 in. Probe Rod System:

This tool system provides the user the probe rods and equipment required to drive the Macro-Core® MC 5 Soil Sampling System using 2.25 in. OD by 1.5 in.ID probe rods to depths of 21 feet below ground surface.

(MC5321) - The Macro-Core® MC5 Soil Sampling System:

The MC 5 system features a new, aggressive thread design which translates into longer tool wear for the most popular soil sampler in the Direct Push Industry. Our reliable and dependable Macro-Core® tooling needed a facelift to respond to the demand for increased strength and longer tool life. The formula to meet these demands began with designing a larger MC Soil Sampling Tube (increased the OD from 2.125 in. to 2.25 in.) which led to beefing up the thread design. These improvements to the already robust Macro-Core® sampler make a great product perform even better in the field. The MC 5 parts can be used with all Geoprobe® brand machines. Macro-Core® MC 5 parts that have been redesigned with a stronger thread system include cutting shoes, soil sampling tubes, and drive heads.

PortaCo Hydraulic Power Unit:

The G20-S12-58-W PortaCo Power Unit has a 20 HP Briggs and Stratton V-Twin Vanguard engine. The system is rated for 12 GPM at 2000 psi. The unit includes hand throttle for variable flow (8-12 gpm). The power unit is mounted on 16-inch tires for ease of transportation over rough terrain and through yard gates. The unit has a 5-gallon fuel tank and 5- gallon hydraulic oil tank.

Hydraulic Hoses / Quick Connects:

Two (2) fifty foot (50 ft.) high flow, 0.75 inch braided hydraulic hose complete with all fittings and quick connectors are used for attachment to the power unit.

DP800 Injection Pump:

This robust injection pump, capable of handling harsh chemicals (chemical oxidation, bioremediation) is powered by a reliable Honda Model GXX270 gas powered engine. It is a shaft-driven triple diaphragm, self-priming pump able to deliver liquids at high volume (8 gpm) and high pressure (650 PSI). All pump internals, suction hoses and discharge hoses are also constructed of materials fully compatible with harsh treatment chemicals.

For more information on our services please contact Barry Harris; President of Terratechnik Environmental Limited.

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We have purchased a Geoprobe® 420M ultra-portable direct push drill rig. Click here to read more.

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