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Boring  and Surfacing Exploration Drill Machine


Location
Tennessee
Publication Date
12/31/2019 07:12 AM EST
Closing Date
01/16/2020 03:00 PM EST
Issuing Organization
State of Tennessee - Department of Transportation (TDOT)
Solicitation Number
Description

Specifications include, but are not limited to: : Drill Machine, Mounted , All-Terrain Carrier, auger, core, rotary type. Acceptable Brands/Models: CME-55/300, Acker Rebel, Diedrich D-50 or approved equal. ALL SPECIFICATIONS ARE CONSIDERED MINIMUM UNLESS OTHERWISE NOTED ITEM: One combination auger, core, rotary type boring and subsurface exploration drilling machine built into a specially designed remote-controlled high flotation rubber track carrier. INTENT: These specifications describe salient features that shall be required in a combination auger-core-rotary type track carrier mounted drilling unit. The unit shall be completely assembled and ready for operation when delivered. PURPOSE: This equipment shall be used for soil sampling, foundation testing, monitoring well installation and subsurface exploration work. The drill machine shall be capable of performing auger borings in unconsolidated formations with conventional flight or hollow- stem augers. The drill shall have the capability of productively using currently popular geoexploration methods and techniques that include shelby tube or continuous tube sampling and standard penetration testing. The drill shall be capable of coring or rotary drilling applications. The unit shall be self-contained with rough terrain capabilities allowing access to off-road sites. GENERAL SPECIFICATIONS: The drill unit shall be an integral part of a track carrier having a single engine power source. The power shall be appropriately directed to the carrier, hydraulic system and mechanically or hydraulically driven drill head. A hydraulically actuated folding upright drill frame with twin hydraulic feed cylinders shall be supplied. The drill and carrier shall have been in production for at least 2 years and shall be manufactured by one supplier to insure one-source parts responsibility. The track carrier and drill shall meet the following specifications: TRACK CARRIER: The carrier shall have a rugged structural steel frame designed to resist bending and twisting when drilling or traversing rough terrain. The following specifications shall apply: 1- Tracks are driven by individual high efficiency two-speed hydraulic motors coupled to heavy-duty direct drive planetaries. 2- Brakes shall be coupled to the planetaries that are static parking type, spring appliedpressure released. 3- Steel drive sprockets shall be furnished for driving the tracks. 4- Two continuous track belts shall be furnished (18” min each). 5- The tracks shall be adjusted for tension and supported at the front by steel idler sprockets. Track tension and shock cushioning shall be controlled automatically by the hydraulic system and gas filled accumulators or adjustable by grease fittings.

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