Project Overview

We successfully completed the SS pipeline fabrication for A section of the Fixed Fire Fighting System (FFFS) in Tunnel 2 of the Yashwantrao Chavan Expressway (Mumbai – Pune Expressway). This project, part of the Missing Link, was a collaborative effort with several key stakeholders, demonstrating our commitment to quality and safety.

Client : Maharashtra State Road Development Corporation (MSRDC) Limited.
EPC Contractor : Navayuga Engineering Company Limited.
EPC Contractor Consultant : BEAVER Infra Consultants Pvt. Ltd.
System Supplier : ULTRAFOG INDIA PVT. LTD.

Purpose

Our goal was to ensure the fabrication and erection of the piping system were executed systematically and safely, maintaining the highest quality standards. This procedure provided guidelines for achieving excellence in workmanship.

Scope

This project involved the stage-wise fabrication and erection of all piping work as per the Yashwantrao Chavan Expressway Design Basis Report. Our method statement covered the welding of stainless-steel pipes, including all positions and materials such as austenitic, ferritic, duplex, and super-duplex steels.

Area of Application

SS piping of WMS 1NPS, 1 ¼ NPS, 2NPS & 4 NPS.
Welding of stainless-steel pipes in horizontal, vertical, and overhead positions.

References

Codes, Standards, and Procedures:
1 & 1 ¼ NPS pipe – ASTM A312, ASME B36.19
2 NPS Pipe – ASTM A790, ASME B36.19
4 NPS Pipe - ASTM A790, ASME B36.19
Welding Standards – ASME Section IX
Approved Drawings: UF-2023-ML-WMS-025
Welding Procedures: Third-party approved WPS & PQR for Laser, Orbital & TIG Welding

Product Developed

For this project, we developed the Section Valve Cabinet, a crucial component ensuring the safety and functionality of the Fixed Fire Fighting System. This product exemplifies our dedication to innovation and quality in custom product development.

Additional Project Details

The project also included the construction of two tunnels (two tubes of four lanes each) spanning from KM 3/440 to 12/360 (8.92 KM) under the capacity augmentation of the Mumbai-Pune Expressway. This extensive work was crucial in enhancing the infrastructure and ensuring safe and efficient travel along this major expressway.