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Mon-Fri 08:00 - 17:00
+44 1422 373101
Ainleys Industrial Estate, Elland, HX5 9JP, U.K

  • EASY TO OPERATE

    All rigs are very easy to operate


  • LIGHT WEIGHT

    All rigs are of minimal weight


  • SINGLE OPERATOR USE

    All rigs can be operated by a single user

The Competitor : Soil Sampling Rig

Overview

The Competitor sampling rig and associated tools together form an integrated system, offering an innovative solution to undisturbed soil core sampling, groundwater sampling and monitoring, contaminant logging, window sampling, standard penetration testing and dynamic probing. One of the first Competitor sampling rigs was built for the UK Environmental Agency in 1996. In the short time since then, Competitor rigs and tooling systems have become widely used in site investigations and remediation projects throughout the UK and several countries overseas. The design and versatility of the system has been continuously improving, culminating in a New Generation of soil rigs, for which Archway Engineering gained recognition in 1998 as winners of a SMART Award for Design and Innovation from the UK Department of Trade and Industry.

You will find the Competitor System used in geotechnical investigations, brownfield assessments, property audits, subsidence investigations, hydrogeological studies, and many diverse applications in which access is limited or where the site must be left undisturbed. The Competitor System has been developed with the operator in mind, and delivers clear benefits in terms of ease-of-use, portability, and greater cost-effectiveness when compared to many other ground investigation techniques.

 

The patented drop weight system

 

 

The rig features our patented 63.5kg drop weight system. This unique feature allows a string of up to 7 metres of rods to be held by the weight, thereby removing the need for the operator to extract each rod individually. This system has been proven to significantly reduce the time an operator spends on each sample hole.

 

Watch the videos below to see the rigs in action

  • Simutaneous Casing System
    • Simutaneous Casing System

    • Watch Video

  • Reconfiguring The Weight From 63.5kg to 50kg
    • Reconfiguring The Weight From 63.5kg to 50kg

    • Watch Video

  • Converting The Rig To Standalone Mode
    • Converting The Rig To Standalone Mode

    • Watch Video

  • Drive Sampling & Rod Extraction
    • Drive Sampling & Rod Extraction

    • Watch Video

  • Heavy Duty Dart Rig Tracking & Controls
    • Heavy Duty Dart Rig Tracking & Controls

    • Watch Video

  • Patented Dart Weight Assembly
    • Patented Dart Weight Assembly

    • Watch Video

  • Tracking The Dart Rig & Loading
    • Tracking The Dart Rig & Loading

    • Watch Video

  • Positioning the Light Weight Rig
    • Positioning the Light Weight Rig

    • Watch Video

  • Light Weight Rig controls demonstration
    • Light Weight Rig controls demonstration

    • Watch Video

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Competitor Rig: Options

 

Rig: Options

 

Main Features

Competitor rigs are mechanically simple and easy to operate. The rigs are designed for use by a single operator and drilling can begin within minutes of arrival on site. Because the units are light in weight, site disturbance is minimised, making the Competitor ideal for use on environmentally-sensitive sites. The rigs are highly mobile and maneuverable, they can be tracked up slopes and can pass through a standard domestic doorway. The Competitor is ideal for work on sites with restricted access, close-up against walls and inside buildings, where it would be otherwise be difficult to obtain samples. Sampling is achieved by a percussive method. The drive mechanism consists of a chain-driven drop weight that repeatedly strikes an anvil, driving the rods and sample tubes into the ground. The rig can drive sample tubes into all soil types, but it is not designed for sampling or coring in hard rocks.

 

The weight and the drop height are adjustable, enabling Standard Penetration Tests and Dynamic Probing (Lost Cone) Tests to be carried out as well as soil sampling. Blow rates up to 50 per minute can be achieved when driving sample tubes into the ground. After tools have been driven into the ground to the required depth, they can be easily extracted using the integral hydraulic jack which has a 7-tonne pullback capacity. Extraction of sample tubes is achieved without having to re-position the rig. In many situations it is necessary to break through a hard surface prior to sampling or testing the ground. For this purpose the Competitor can be supplied with an optional rotary attachment, designed for coring through concrete or other hard surfaces at ground level. With the rotary attachment fitted to the rig, it is not necessary to purchase additional concrete coring equipment or employ specialist concrete coring contractors, resulting in a significant reduction in project costs. To prevent the borehole from collapsing when extracting samples, casing tubes can be driven into the ground at the same time as the soil samplers. This method, referred to as our Simultaneous Casing System, has been designed specifically for use with the Competitor. As well as preventing collapse of the borehole, the method ensures that there is no cross-contamination between successive samples, even when sampling very loose ground.

Basic Operational Spares

We stock a wide variety of spare parts for the Competitor.

To avoid unnecessary down-time during busy periods, we advise our customers to maintain a minimum stock of consumable spares. A standard spare parts kit is available, consisting of the following components and quantities:-

Part no. Description Quantity
2302 Dart Anvil 1
2302-01 Dart Anvil Nut 1
2303 Dart Drive Dolly 4
2001-02-03 Chain Assembly 1
2001-02-01-02 Top Sprocket & Bush 1
2001-02-03-06 Bottom Sprocket 1
2001-02-03-02 Pick-up Dog 2
2101-01-01 Drive Belt (Lightweight Rig Only) 5
2002-01-04 Hydraulic Hose 4.5m 1
2002-01-04-01 Flat-faced Coupling Male 1
2002-01-04-02 Flat-faced Coupling Female 1
2001-01-03-09 Piston Seal Kit 1

Ancillary Equipment

A range of drilling, sampling and test equipment has been specially designed for use with the Competitor Rig.

 

Concrete Coring Attachment: This fits onto the base of the anvil and can be used for coring through concrete or asphalt, prior to sampling the soil beneath.

Window and Windowless Samplers are available for soil sampling in a nested range of diameters. In Window Sampling the soil sample is simply removed through a “window” in the side of the steel tube. In Windowless Sampling a complete 1-metre long soil profile is retained in a rigid clear plastic liner.

 

Simultaneous Casing System: Allows 115 mm O.D. steel casing to be driven into the ground at the same time as a 101 mm Windowless Sampler, thus preventing the borehole from collapsing, and ensuring that there is no risk of cross contamination between successive samples. Generally effective up to 6 metres depth. The equipment consists of steel casing tubes, casing shoe, drive ring and adaptor, drive head, lifting head and casing slips.

 

U100 Sampling System: This is a Simultaneous Casing System that allows 128 mm O.D. casing to be driven into the ground at the same time as a U100 sampler. The U100 sampler consists of a drive head and special steel “body tube” that encloses a thin aluminium liner, together with core catcher and cutting shoe. The aluminium liner has an I.D. of 101.6 mm. The aluminium liner fits inside a standard U100 tube, allowing the sample to be extruded using existing Unversal Extruder’s common in U.K. geotechnical laboratories.

 

Sharktooth Sampler: This is a large diameter (115 mm O.D.) split tube sampler, that takes its name from the backward facing “teeth” that allow the two halves of the tube to interlock whilst providing strength during driving. This tool can be used for obtaining soil samples, or simply as a means of rapidly clearing out a borehole. The Sharktooth Sampler fits inside 128 mm OD casing and can be used in conjunction with the U100 Sampling System.

 

S.P.T. Split Spoon Assembly: A standard 2″ Split Spoon Assembly that can be used for the Standard Penetration Test to BS 1377. it comes complete with a top adaptor (containing ball valve) and cutting shoe. Steel basket retainers are available for the sampler when required. A short nose cone with 60 degree angle can be provided in place of a cutting shoe for carrying out test in gravel.

 

Drive Rods: Standard Driving Rods are 54 mm diameter with a male and female “Quick Turn” thread at the ends. These are extremely tough rods that do not easily break or bend, and can be coupled and uncoupled very quickly. All rods are 1.0 metre long, except for a slightly shorter starter rod used for the first sample at ground level.

 

Dynamic Probe Equipment: Consists of 35 mm drive rods marked at 10 cm intervals, cone adaptor and sacrificial cones. Used for the Dynamic Probe Test (Lost Cone Method) to BS 1377. The rod thread is designed for high strength during driving.

Technical Specification

Common Specifications
Hydraulic Cylinder Pullback 7000kg
Drop weight 50kg or 63.5kg (interchangeable)
Maximum sampling diameter 150mm
Maximum sampling depth 15 metres
Height in sampling mode 640 mm

 

 

Heavy Duty Dart Rig
Engine Diesel 435cc single cylinder 9 HP. Maximum output 10.0 PS (7.4 kW). Electrical / recoil engine start

 

Weight 1070 kg
Length 2600 mm in transport mode
Length 2950 mm in sampling mode
Width with tool baskets 1220 mm
Width without tool baskets 600mm
Height in transport mode 1450 mm
Height in sampling mode 3100 mm
Noise at 10 metres’ distance
Average noise whilst idling 71.4dBA
Average noise during sampling 74.3dBA
Peak noise during sampling 94dBA

 

Lightweight Dart Rig
Engine Diesel 435cc single cylinder 9 HP. Maximum output 10.0 PS (7.4 kW). Electrical / recoil engine start
Weight 733 kg
Length 2600 mm in transport mode
Length 2800 mm in sampling mode
Width with tool baskets 1220 mm
Width without tool baskets 600mm
Height in transport mode 1450 mm
Height in sampling mode 3100 mm
Noise at 10 metres’ distance
Average noise whilst idling 71.4dBA
Average noise during sampling 74.3dBA
Peak noise during sampling 94dBA

 

Stand-alone Dart Rig
Engine Diesel 435cc single cylinder 9 HP. Maximum output 10.0 PS (7.4 kW). Electrical / recoil engine start
Weight 285kg
Length without legs fitted 700 mm
Length with legs fitted 1200 mm
Width without legs fitted 450 mm
Width with legs fitted 900 mm
Height in sampling mode 3100 mm
Noise at 10 metres’ distance
Average noise whilst idling 71.4dBA
Average noise during sampling 74.3dBA
Peak noise during sampling 94dBA

 

 

Stand-alone Powerpack
Engine Diesel 435cc single cylinder 9 HP. Maximum output 10.0 PS (7.4 kW). Electrical / recoil engine start
Weight 114 kg (with fuel)
Length 1180 mm
Width 670 mm
Height in sampling mode 640 mm

Downloads

 

The following documents are available free to download in Portable Document Format (PDF).

To view and print the files you will need Acrobat Reader installed on your computer. This software is free to download at Adobe’s Web Site.

 

Please note: The information in these documents is provided for guidance purposes only, in order to promote the use of safe working practices and to address the broad principles that should be adopted when operating the rig. It is not intended that these documents should negate or replace any acts, codes, regulations or other documents that have a legal or contractual standing.

 

OPERATING INSTRUCTIONS (94 KB)
ILLUSTRATED STEP-BY-STEP GUIDE (1,746 KB)
SIMULTANEOUS CASING METHOD (100 KB)
SAMPLE METHOD STATEMENT (18 KB)
SAMPLE RISK ASSESSMENT (10 KB)
SAMPLE MAINTENANCE SCHEDULE (10 KB)

WORKING ON CONTAMINATED LAND (11 KB)
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