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Detailed description

Rail Transit GB 146.2-2020 Standard Gauge Railway Gauges Part 2: Construction Gauges

Detection standard

  • Detection specification

This part of GB 146 specifies the basic building clearance, tunnel building clearance, and Bridge construction clearance and bridge tunnel construction clearance

Basic information:

Standard number: GB 146.2-2020

Issuing agency: China National Standard (CN-GB)

Release Date: October 11th, 2020

Implementation Date: May 1st, 2021

Abolishment Date:

CCS Classification:

S04 Railway Railway Railway Comprehensive Basic Standards and General Methods

ICS Classification:

93.100 Civil Engineering Railway Construction

Replace the following standards

GB 146.2-1983

Replace the following standards

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

100% inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China


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