# IRS-class ACTCM barge

The IRS-class ACTCM barge is a series of 19 ammunition barge being built by M/s Suryadipta Projects Pvt Ltd, and SECON Engineering Projects Pvt. Ltd.; MSMEs under a contract for the Indian Navy signed on 5 March 2021 and 19 February 2021 respectively. While Suryadipta Projects is from Thane, Maharashtra; and SECON Engineering Projects is from Visakhapatnam, Andhra Pradesh. As per the contract, Suryadipta Projects will build 11 Ammunition Cum Torpedo Cum Missile (ACTCM) barge and SECON Engineering Projects will build 8 Missile Cum Ammunition (MCA) barge, respectively. The barges are either based at INS Tunir, Naval Missile Depot at Mumbai, or Naval Ammunition Depot (NAD), Karanja at Naval Dockyard (Mumbai) {ND(Mbi)}.
The model testing of the barge during design stage was undertaken at NSTL, Visakhapatnam, Andhra Pradesh under relevant Naval Rules and Regulation of Indian Register of Shipping. The barges are being built under Atmanirbhar Bharat and Make in India initiative of the government of India.

## Description

IRS-class Ammunition-Cum-Torpedo-Cum-Missile (ACTCM) barge are to be inducted in the Indian Navy to undertake the mission needs for transport, embarking or disembarking of ammunition, torpedo, missile, articles, etc. on the IN ships, thereby providing impetus to operational commitments of the navy both alongside jetties and outer harbors boosting operational readiness and effectiveness. The ACTCM barges are also referred to MCA (Missile Cum Ammunition) barges, but all are designated as Large Scale Additive Manufacturing (LSAM). All major and auxiliary equipment/systems on the barge, which is set to have a service life of 30 years have been sourced from indigenous manufacturers.
Delivery of the first barge LSAM 15 (Yard 125) by Suryadipta Projects to Indian Navy was done on 9 June 2023. LSAM 7 to 14 is being built by SECON Engineering and LSAM 15 to 25 is being built by Suryadipta Projects. The barge has a cargo hold of 100 tonnes. The barge has ample facilities for fire fighting, power generation, and crew accommodation.
As of March 2025, all 8 of the MCA barges have been delivered and inducted while 9 of the 11 ACTCM barges have been delivered and inducted in to service.
An additional order for 4 Sullage Barge had also been placed with Suryadipta Projects.

## List of units

| Pennant Number | Builder | Yard No. | Launched | Delivered | Base |
| LSAM 7 | SECON Engineering Projects (under MCA barge project) | 75 | 24 February 2023 | 18 July 2023 | INS Tunir, Mumbai |
| LSAM 8 | SECON Engineering Projects (under MCA barge project) | 76 | 18 August 2023 | 19 October 2023 | NAD Karanja,Mumbai |
| LSAM 9 | SECON Engineering Projects (under MCA barge project) | 77 | 23 September 2023 | 22 November 2023 | INS Tunir, Mumbai |
| LSAM 10 | SECON Engineering Projects (under MCA barge project) | 78 | 20 November 2023 | 28 December 2023 | NAD Karanja,Mumbai |
| LSAM 11 | SECON Engineering Projects (under MCA barge project) | 79 | 14 February 2025 | March 7 2025 | |
| LSAM 12 | SECON Engineering Projects (under MCA barge project) | 80 | 10 October 2024 | 22 November 2024 | |
| LSAM 13 | SECON Engineering Projects (under MCA barge project) | 81 | 10 June 2024 | 26 September 2024 | INS Tunir, Mumbai |
| LSAM 14 | SECON Engineering Projects (under MCA barge project) | 82 | 12 December 2024 | 7 January 2025 | |
| LSAM 15 | Suryadipta Projects (under ACTCM barge project) | 125 | 10 February 2023 | 9 June 2023 | |
| LSAM 16 | Suryadipta Projects (under ACTCM barge project) | 126 | 20 July 2023 | 7 September 2023 | |
| LSAM 17 | Suryadipta Projects (under ACTCM barge project) | 127 | 27 October 2023 | 30 November 2023 | NAD Karanja,Mumbai |
| LSAM 18 | Suryadipta Projects (under ACTCM barge project) | 128 | 28 February 2024 | 29 March 2024 | NAD Karanja,Mumbai |
| LSAM 19 | Suryadipta Projects (under ACTCM barge project) | 129 | 24 January 2024 | 5 March 2024 | NAD Karanja,Mumbai |
| LSAM 20 | Suryadipta Projects (under ACTCM barge project) | 130 | 29 April 2024 | 29 May 2024 | NAD Karanja,Mumbai |
| LSAM 21 | Suryadipta Projects (under ACTCM barge project) | 131 | 5 September 2024 | 4 October 2024 | NAD Karanja,Mumbai |
| LSAM 22 | Suryadipta Projects (under ACTCM barge project) | 132 | 30 November 2024 | 6 January 2025 | |
| LSAM 23 | Suryadipta Projects (under ACTCM barge project) | 133 | 1 February 2025 | 12 March 2025 | |
| LSAM 24 | Suryadipta Projects (under ACTCM barge project) | | | | |
| LSAM 25 | Suryadipta Projects (under ACTCM barge project) | | | | |