Leak Sealant NES 1/2A – NICCO ENGINEERING SERVICES LIMITED https://www.niccoengineering.com India's Leading Specialty Maintenance Service Provider Tue, 01 Aug 2023 07:56:55 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://i0.wp.com/www.niccoengineering.com/wp-content/uploads/2022/07/cropped-512-wh.png?fit=32%2C32&ssl=1 Leak Sealant NES 1/2A – NICCO ENGINEERING SERVICES LIMITED https://www.niccoengineering.com 32 32 198898821 Nicco Online Leak Sealing Team’s Intervention in an Irrigation Line Leakage and Surface Rebuilding at a 900MW Pump Storage Project  https://www.niccoengineering.com/nicco-online-leak-sealing-teams-intervention-in-an-irrigation-line-leakage-and-surface-rebuilding-at-a-900mw-pump-storage-project/ https://www.niccoengineering.com/nicco-online-leak-sealing-teams-intervention-in-an-irrigation-line-leakage-and-surface-rebuilding-at-a-900mw-pump-storage-project/#respond Sun, 09 Jul 2023 17:15:43 +0000 https://www.niccoengineering.com/?p=9750

This case study showcases the successful intervention by the Nicco Online Leak Sealing Team to address a leakage issue in the Irrigation Line of a 900MW Pump Storage Project. The team conducted a thorough inspection, identified the problem, and implemented a bespoke solution involving the fabrication of a specialized clamp. By utilizing Nicco’s proprietary leak sealant, NES 1/2A, and reinforcing the clamp with Belzona 1161, the team effectively sealed the leakage and ensured the structural integrity of the pipeline.

1. Problem Identification:

During the inspection conducted by Nicco’s service engineer, it was observed that the pipeline suffered from a puncture, and the diameter of the pipe varied from 265 mm to 273 mm, resulting in irregularity. This irregularity posed a challenge during the fixation of the clamp, as gaps were present between the pipe and the clamp bore.

Pipeline leakage repair
Beapoke clamp design and fabrication

2. Bespoke Clamp Design & Fabrication:

Accurate measurements were taken to fabricate a bespoke clamp that would tightly fit around the leaky pipeline, ensuring a secure enclosure. The fabrication process ensured a precise fit and eliminated any gaps or irregularities between the clamp and the pipeline.

3. Clamp Installation:

The specially fabricated straight box clamp was installed to enclose the leaky pipeline. This clamp provided structural support and ensured a tight seal over the punctured area, effectively preventing further leakage.

4. Injection of NES 1/2A Leak Sealant:

Nicco’s proprietary leak sealant, NES 1/2A, was injected through the injection points on the box clamp. NES 1/2A is a blend of synthetic rubber with non-staining properties mixed with organic and strong inorganic fillers that generate heat resistance behavior. To facilitate this process, EN8 grade injection gun adaptors, manufactured in Nicco’s workshop using advanced CNC machines and modern fabrication systems, were utilized. This step resulted in the instantaneous arrest of the leakage, effectively sealing the damaged section of the pipeline.

5. Surface rebuilding: Application of Belzona 1161:

To reinforce the integrity of the clamp and prevent any potential leakage from the edges, Belzona 1161, a high-performance epoxy coating, was applied along the edge of the box clamp. This application ensured a secure and durable seal, further enhancing the pipeline’s resistance to erosion, corrosion, and chemical attack.

Beapoke clamp design and fabrication
Belzona 1161 (Super UV Metal)

6.1 Why Belzona 1161 was chosen? 

Belzona 1161 was chosen for surface rebuilding due to its exceptional qualities and benefits: 

a) Adhesion: Belzona 1161 exhibits excellent adhesion to various substrates, including metal, ensuring a strong bond and long-lasting protection. 

b) Durability: This epoxy coating provides exceptional resistance to erosion, corrosion, chemical attack, and mechanical stress, enhancing the surface’s durability and preventing further damage. 

 c) Flexibility: Belzona 1161 can accommodate substrate movement and thermal cycling, making it suitable for applications where flexibility is required. 

 d) Versatility: The versatility of Belzona 1161 allows for its application in a wide range of environments and service fluids, making it a reliable choice for surface rebuilding projects. 

7. Safety Mitigation Steps Implemented:

Prioritizing safety, the Nicco Online Leak Sealing Team implemented the following measures:

a) Risk Assessment: A thorough risk assessment was performed to identify potential hazards associated with the leakage issue, including pressure risks, water exposure, and potential damage to surrounding infrastructure.

b) Safety Equipment: The team ensured they had the appropriate personal protective equipment (PPE) for the job, including safety glasses, gloves, and protective clothing, to safeguard themselves from any potential risks.

c) Safety Procedures: Strict adherence to safety protocols, such as lockout/tagout procedures and work permits, was maintained to minimize risks during the repair process.

Nicco’s expertise in leak sealing, along with their advanced workshop infrastructure and proprietary solutions, demonstrates their commitment to delivering effective and reliable solutions for critical infrastructure projects.

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