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waterfall diagram for CSL test

ASTM D6760-16 

Compliance Statement

ASTM D6767 - 16: Standard Test Method for Integrity Testing of Concrete Deep Foundations by Ultrasonic Crosshole Testing

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[Link to the ASTM standard]  [Compliance certificate (PDF)]

Piletest.com confirms that our CHUM system, running CHUM Version 4.5 (or higher) meet, or exceed, the requirements of ASTM Standard D 6760 - 16

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Specific itemized compliance break-down list:

Item
Description
Requirements
Compliance
4.2
Output signals storage
Saved or at least modulated
Meets (Saved)
4.3
Special test techniques
N.A.
Exceeds
6.3.1
Probe waterproofing
150% maximal depth
Exceeds: All our probes are tested in a pressure chamber at 16bar (160m deep) for 30 minutes during stress operation
6.3.1
Probes margins from bottom
100mm
Exceeds: (<50mm)
6.3.2
Transmitter frequency
30-100KHz
Meets: 60KHz
6.3.5
Cables temperature range
-
-30c to +70c
6.3.5
Cable protection
-
Meets: CHUM's pulleys design ensures smooth and safe deployment of the probes
6.3.5
Cable robustness
-
Exceeds
6.3.6
Depth measurements slippage
None
Meets
6.3.6
Depth measurements accuracy
Max(1%, 250mm)
Exceeds: Max(0.2%, 50mm)
6.4.1
Gain control
Adjustable
Exceeds: Automatic
6.4.1
General design
-
Exceeds
6.4.1
Sampling vertical interval
Adjustable
Meets, 1cm to 10cm
6.4.2
Recording
250KHz
Exceeds (500KHz)
6.4.2
Recording
12Bit
Exceeds: using top 12Bit of a 16Bit A/D + 8 bits due to AGC (automatic gain control)
6.4.4
Display of Measured Data
Raw data
Exceeds: All display options are available in-site, in real-time
6.4.4
Printer
Optional
Meets (Not supplied with basic unit)
7.9.1
Analysis
Relative Energy and FAT plots + Water fall
Exceeds: Many more presentation options available
7.9.3
Data storage
Data shall be kept permanently
Meets
8
Reporting
-
Exceeds: extensive help from the CHUM system to store and report the specified data items
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