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- “IS 2141” describes the construction, coating, and tensile strength of galvanized stay strands.
- It provides good resistance against corrosion and strength for use in power and telecommunication wires.
- Stay strands should be subjected for tests like breaking load, elongation, and zinc coating in BIS recognized labs.
- The companies have to maintain good quality standards as approved by the inspection guidelines by BIS.
- The BIS-approved stay strings are marked with ISI, ensuring that they meet Indian standards of safety and performance.
Introduction
BIS Certification for Hot Dip Galvanized Stay Strand as per IS 2141 helps in Bureau of Indian Standards (BIS) assuring that the hot dip galvanized stay strands, used in the formation of overhead power lines, telecommunication towers, and support structures, are of Indian standards of strength, serviceability, and corrosion protection. Hot dip galvanized stay strands are of most importance in giving mechanical support to poles and towers, and hence, their failure may cast a significant impact on safety as well as the functionality of the towers. Indian Standard IS 2141, formulated by the BIS, defines the specifications for the product as per its material, galvanizing, manufacture, and performance.
What is IS 2141?
IS 2141 is known as Indian Standard Hot Dip Galvanized Stay Strands and is published by the Bureau of Indian Standards (BIS) of India. It outlines specifications regarding its manufacture, design, tension and strength, and zincing of Hot Dip Galvanized Stay Strands that are typically used in power transmission lines and telecommunication cables and wires. This standard enables stay cables to have sufficient strength, flexibility, and resistance to corrosion so that stay strands can withstand the outdoor environment as well as heavy loads. IS 2141 conformity ensuring the safety, reliability, and effectiveness of stay cables.
Key Points:
- IS 2141 is “Hot-Dip Galvanized Stay Strands for Overhead Lines and Pole Support Systems – Specification”. According to the provision, IS 2141 specifies requirements regarding galvanized stays that are used.
- It dictates that the wires should meet the quality, stranded structure, and minimum breaking strength requirements.
- The standard specifies the thickness of the zinc coating so that high resistance to corrosion is ensured.
- Basically, it consists of tensile strength tests, elongation, and quality galvanized finishing.
- Conforming to IS 2141 and offering safety, reliability, and ruggedness in operation.
Why is BIS Certification Mandatory
The main reason for the BIS Certification of the hot dip galvanized stay strands made as per the guidelines laid out by the Indian Standard ‘IS 2141’ is to ensure that these products conform to the standards laid out by the Indian government in the context of safety and quality. The product ‘stay strands’ refers to those cables that are used for power transmission lines and telecommunication poles. The importance of such lines and poles cannot be overstated as any neglect or improper installation may result in serious accidents.
Key Reasons:
- It ensures that strands are strong enough as per the requirements.
- Verifies correct zinc coating for long-term corrosion protection in an outdoor environment.
- Identifies product quality by testing in BIS-recognized labs.
- It prohibits the sale and usage of low quality stay strands in the market.
- Establishes trust among utilities and consumers with its ISI certification mark.
Importance and Benefits of BIS Certification
| Importance | Benefits |
| Guarantees conformity with Indian standards of safety and quality. | Provides high tensile strength and corrosion resistance. |
| Strength and performance of the strands of the stay remain consistent. | It promotes the longevity of the products. |
| Reduces chances of failures in power and telecommunication infrastructure. | Offers greater market acceptance and customer confidence. |
| Enforces uniform processing and quality control standards. | It enables the manufacturers to sell their products in India. |
| Facilitates regulatory and legal requirements in the Indian market. | Makes sure that the products, which have been certified, are of quality. |
Step-by-Step Process of BIS Certification
Step1:Documentation
- Collect required technical documents
- Prepare product specifications
- Gather company registration details
- Ensure documents follow BIS format
Step2:Product Testing
- Send samples to a BIS-approved lab
- Conduct safety and quality tests
- Receive test reports
- Confirm compliance with BIS standards
Step3:Application Submission
- Fill out the BIS application form
- Upload all required documents
- Attach valid test reports
- Pay the necessary BIS fees
Step4:Scrutiny and Inspection
- BIS reviews submitted documents
- Authority verifies test results
- Factory/product inspection may occur
- Clarifications requested if needed
Step5:Grant of License
- BIS approves the application
- License number is issued
- Product can carry BIS mark
- Renewal required before expiry
Documents Required for BIS Certification
| Category | Documents Required |
| Business Documents | Business license/registration, ISO certificate, organizational details |
| Manufacturer Details | Factory layout, process flow chart, machinery list, production details |
| Product Documents | Product specifications, component list, user manual, model details |
| Testing Documents | Test report from BIS-recognized lab, sample details, test request form |
| Legal & Compliance | Authorization letter, brand ownership proof, trademark certificate (if any) |
| Import/Foreign Manufacturer (If applicable) | AIR (Authorized Indian Representative) details, contract agreement, overseas manufacturer documents |
Timelines, Costs, Validity & Renewal
- Timelines: Usually from 20 to 30 days, with only 7-15 days for the testing.
- Costs: The cost of the government and the test varies depending on the product. There can be some additional charges though.
- Validity: The validity period is 2 years in most situations.
- Renewal: The renewal is done before the expiration; there should be updated documents/tests; the renewal
Why Choose Diligence Certifications
Diligence Certifications is a reliable consultancy firm which provides comprehensive support for BIS certification of Hot Dip Galvanized Stay Strands under IS 2141. With exceptional knowledge in the regulatory domain and a client-centric approach, Diligence Certifications can help organizations in obtaining compliance in quicker turnaround time, without any kind of compliance problems, and ensuring compliance with all Indian requirements for the quality and safety of their products.
Conclusion
BIS Certification of Hot Dip Galvanized Stay Strand according to IS 2141 is necessary for ensuring that the product quality remains at a level that can support critical applications, including power and telecommunication projects. When manufacturers adhere to this India Standard, they display their commitment to product quality, and users can have faith in the service life of stay strands being utilized by them. As a whole, stay strands with an ISI mark enable a stable working of systems in the country.
Frequently Asked Questions (FAQs)
what is IS 2141?
IS 2141, which stands for Indian Standard, refers to Hot Dip Galvanized Stay Strands used in power and telecom lines.
Why is BIS certification necessary?
This ensures stay strands are provided in accordance with the requirements of safety, strength, and quality .
What is the purpose of a stay strand?
It serves as a supporting structure for poles or towers in overhead electric or telecom communications systems.
What tests are required under IS 2141?
In order to comply Breaking load, elongation, as well as zinc coating tests are required.
Where are the tests held?
Testing is carried out in BIS-approved labs.
‘What is the ISI mark?’
The ISI mark indicates that the product meets the BIS or IS 2141 specifications.
Who needs the certification?
Hot Dip Galvanized Stay Strands Manufacturers and importers.
How long is the validity of the BIS Certification?
Typically valid for a period of two years, which can be renewed further.
Can uncertified stay strands sell in India?
Selling stay strands not certified by the BIS is not permitted.
List the major advantages of certification in IS 2141.
It provides the product with reliability, corrosion resistance, and safety.
