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Military


Landing Platform Dock

Ship List
Name # Port Laid
Down		 Launch Comm Decomm Notes
#1 20 20 20
#2 20 20 20
#3 20 20 20 2013 : 4 planned
2020 : 2 planned
2021 : 4 planned
#4 20 20 20 2013 : 4 planned
2020 : 2 planned
2021 : 4 planned

Role Primary
  • To Influence the Land Battle through a viable capability to transport and land ashore a combined arms force and to sustain their operations ashore.
  • To Undertake Out of Area Contingencies (OOAC) through its inherent capability to transport and deploy forces ashore, ability to arrive quickly in area, and sustain operations at sea for prolonged durations.
  • To Act as Command Centre for the Commander, Amphibious Task Force, Landing Force Commander and the Air Force Commander.
  • To undertake Humanitarian Assistance and Disaster Relief Missions.
  • To act as mother ship for unmanned capability and to support operation/ exploitation of all dimensions of futuristic unmanned vehicles/ platforms/ equipment.
    • Secondary
  • To undertake fleet support functions through underway replenishment capability and comprehensive workshop facilities.
  • To provide medical facilities for treatment of battle casualties.
    • Compliment and Accommodation
  • Ship’s Crew - 60 officers (30 ship’s officers, another 30 officers of joint staff and additional attachments) and 470 sailors (Total 530).Embarked Personnel - 900 troops.
  • Additional accommodation facilities for 20 % women officers and 15 % women sailors/ troops of the total strength.
    • Length < 200 m.
    Beam Commensurate with the length and tonnage of the ship.
    Draught < 08 m in full load conditions without ballasting.
    Displacement Commensurate with length and draught of ship.
    Propulsion Electric Propulsion (Integrated Full Electric Propulsion (IFEP)/ Hybrid) with shafting and propellers.
    Speed Max sustained speed > 20 knots and cruising speed of 14 – 16 knots.
    Endurance
  • 10,000 nm at economical speed with 25% reserve fuel.
  • > 45 days in terms of machinery, fuel.
  • 60 days in terms of logistics support for the embarked troops and ship’s company.
    • ASW ATDS
    SSM Ship Launched SSM X 16.
    PDMS VLSRSAM (32 missiles).
    CIWS
  • 4 x AK 630 with Electro Optical Fire Control System (EOFCS).
  • 06 X HMGs with stabilised gun control stations/ SRCGs.
  • Directed Energy Weapon (in lieu of AK 630 when developed).
  • 08 x MMGs.
    • Chaff 4 x Chaff launching systems (02 LR/ MR launchers).
    LRAD 3 x AWD.
    Electronic Warfare Integrated EW system comprising of ESM and ECM subsystem interfaced with CMS
    Radar/ Optical Sensor
  • 01 x E/ F Band combined Air and Surface Surveillance Radar.
  • 01 x 3D C/ D Band Air Surveillance Radar.
  • 01 x Surface Surveillance Radar.
  • 02 x ‘I’ Band and 01 X E/F COTS Radars.
  • 01 X EOIRST.
    • Portable Saluting Guns. Four (fitted for arrangements to be provided).
    CAIO A modular CMS is to be provided onboard the LPDs. The CMS is to be interfaced with all the onboard weapons and sensors and unmanned payload. All weapon system should be capable of being fired through CMS in centralised mode.
    Aviation
  • The ship should have a ‘through deck’ design and be capable of accommodating at least 02 Heavy Lift Helicopters, 12 Special Operations Helicopters and 02 NSUAS and permit simultaneous operations of at least 04 Special Ops helicopters (includes operation of 01 NSUAS in lieu). Out of these, at least 12 Special Operations Helicopters and 02 NSUAS would be stowed inside the hangar and atleast 02 Heavy Lift Helicopters would be parked on the deck in blade folded configuration.
  • The foremost helicopter spot is to be strengthened to operate a Heavy Lift Helicopter, with max All Up Weight of 40 Tons.
    • Special Ops To be able to embark, stow and operate Chariots (01), SORs (02), SPC (02), AUVs.
    Unmanned Capability To be able to embark, stow and operate variety of sea based Surface, Sub-surface and Air unmanned solutions.
    Amphibious Capability
  • 04 x LCMs
  • 04 x LCVPs.
  • To be fitted for to operate two LCACs or two L-CATs.
    • Amphibious Assault Capability
  • The ship is to have the ability to carry out standoff/ Over the Horizon operations.
  • A floodable dock aft namely well deck is to be provided for embarkation/ disembarkation of landing craft when underway up to speeds of 5 knots.
  • Access to the well dock is to be through a hydraulically operated stern gate. The stern gate, when fully lowered, should be capable of transfer of vehicles to/ from the landing craft secured at the stern gate.
    • Dock Well.
  • Ballasting/ de-ballasting arrangements are to be suitable for launch/ recovery operation in short time upto Sea State 3.
  • The ballasting/ de-ballasting arrangements should have remote and local operations and a ballast control post.
    • Magazine.
  • The total cargo stowage spaces should be approx. 1000 m2 and capable of warehouse stowage of approx. 400 standard marine pallets.
  • Four separate armouries for safe stowage of personal weapons of the embarked troops including ammunition.
  • Ready use small arms and ammunition lockers on upper decks.
  • Suitable stowage space (preferably on the upper decks) is to be earmarked (in accordance with the existing Indian Naval Magazines and Explosives Regulations) to store approx. 4 tons of highly combustible incendiary ammunition/ pyrotechnics
    • Assembly Area. The ship is to have a suitable assembly area (catering for at least 300 troops). The assembly area should have easy access to Flight Deck, the well deck and the boat deck(s).
    Design The ship should have a ‘through flight deck’ design and a floodable dock aft (well deck) for launching/ recovery of seaborne payloads.
    Hull Form The ship is envisaged to be of mono hull construction based on proven hull form or supported by adequate model testing for resistance, propulsion, manoeuvring sea keeping (iaw latest version of NCD 102) as well as CFD aerodynamic studies/ wind tunnel test.
    Construction Material The hull, superstructure and structural members are to be of DMR-249A Steel.
    Paint Scheme and Deck Covering Paint schemes are to be applied under paint manufacturers’ supervision in accordance with IN extant policies and specifications.
    Hull Protection Cathodic protection is to be provided by means of an ICCP system. The specifications of ICCP system shall conform to NCD 3922. The system should have active shaft grounding and protection against ELFE and UEP.
    Sewage Treatment Plant/ Vacuum Toilet System/ Fixed H2S Gas Detection and Alarm System is to be provisioned in accordance with NCD 3930, Issue 3, 2016 and Def Stan 02-718.
    Doors and Hatches. Standardised Watertight doors and hatches as per latest NCD 1447 & 1448 are to be provided wherever possible. EES are to be provided iaw NCD 1449. Other access arrangement and fittings are to comply with Def Stan 02-149 and Def Stan 02-127.
    WT & GT Integrity WT boundaries are to be iaw Def-Stan 02-900, Part 4, Issue 1, for ship stability and damage stability. Def Stan 02-119 for fire zoning.
    . Stability Stability of the ship and Growth margin (for KG and displacement) should be iaw Def Stan 02-900, Part 4 Issue 1 and NCD 0106. Inclining experiment for all ships of the class iaw latest edition of NCD 0104. Stability Booklet iaw latest version of NCD 0106.
    HVAC System HVAC system is to be based on latest version of Def Stan 02-102. ATUs & HEs for HVAC are to be iaw latest promulgated SOTR 1903.
    Stability Software Onboard Stability management software is to be provided which would be integrated with the IPMS/ BDCS system. The software should provide real-time information of tank loading status, condition of variable loads and stability parameters of intact ship as well as for damage scenarios as per latest edition of Def Stan 02-900, Part 4, Issue 1.
    Vehicle Carriage Capacity Carriage of combat vehicles in one or more decks with a total area not less than 2000 m2 . This area should be adequate to embark at least six Main Battle Tanks (MBT), 20 AAVs/ BMP Class armoured vehicles and approx 60 heavy trucks (or a suitable combination of an equivalent number of trucks and light motor vehicles) at one time.
    Loading Ramp The vehicle deck(s) should be accessed by at least one loading ramp, for embarkation of vehicles from the jetty/ pier. The ramp(s) should be capable of handling light armoured vehicles up to 52 tonnes and vehicles up to height of 3.5 m.
    Container Carriage The ship should have a suitable arrangement, preferably on upper deck, for carriage of > ten standard 20 foot size containers. The containers stowed on deck should not in any way restrict the flying operations from the designated helo spots.
    Navigation And AIO
  • 2 x INS-SA and one Next Gen DDU in Fore and Aft configuration
  • 02 x Electro-magnetic Speed Logs.
  • 02 x Echo Sounder (single frequency).
  • 02 x IRNSS Receiver.
  • 02 x AIS.
  • 01 x IFF Mk XII(S).
  • 01 x Standalone ECDIS.
    • Network Centric Operations The ship is to be equipped with a Modular CMS and SDN interfaced to weapons and sensors by means of the Ship Data Network (SDN). Data pertaining to CMS, weapons, sensors, SHHD and IBS would ride on SDN. Additionally, networks like IPMS are also to be interfaced to the SDN.
    Briefing Rooms Ship will have three Briefing Rooms.
  • CATF Briefing Room (Capacity- 40 personnel).
  • LFC Briefing Room (Capacity- 25 personnel).
  • AFC Briefing Room (Capacity- 25 personnel).
    • Combat Management System CMS is to be integrated with all surveillance Radar, FCRs, Weapons systems, Nav Radars, COMMINT, ELINT, ESM, IFF, ADS-B and all other sensors.
    Communication
  • 2 x 1 KW HF Tx with ALE and high speed data modem.
  • Two SDR (NC).
  • 12 x HD VLF-HF Receiver.
  • 04 SDR (TAC).
  • 1 x 'C' and 'Ku' band terminal with 02 Scorpio MK II.
  • 3 x MSS MK II Tx-Rx with three secrecy device (Gautam Ver 2.0).
  • 4 x GSAT-06 terminals HST.
  • 2 x integrated S Band Tx/ Rx.
  • 7 x MSS SOM with voice upgrade kit with 07 Gautam Ver 2.0 compatible.
  • One Link II Mod III. (l) One each UHF & VHF emergency Aerial. (m) 02 X DMR 16A DAT Recorder. (n) GMDSS Suite
    • Communication Equipment for Joint Operations
  • 05 x HF portable Tx/ Rx.
  • 05 x HF Portable Tx/ Rx in secondary Band
  • 02 x V/ UHF Tx/ Rx.
  • 06 x DCT.
  • 20 x handheld V/UHF Tx/Rx.
  • 10 x VHF equipment (man pack version).
  • 10 x VHF equipment (fixed version).
    • Below Deck Hangarage The hangar space is to provide for stowage arrangements and facilities for at least 12 Special Operations Helicopter in blade fold condition and two NSUAS along with launcher and recovery rig.
    Hangar Lifts For stowage of the helicopters in below deck hangarage, the LPD is to be fitted with two aircraft lifts, one main and one standby lift. The main lift should serve the hangar as well as the vehicle deck(s). The access to/ from hangar/ vehicle deck(s) deck level should be from three sides of each lift. The dimensions of the Main lift should be of 24m X 20 m and the Secondary lift of 22 m X 10m with both permitting a load bearing capability of 24 T.
    Helicopter Traversing System The helicopter traversing system will be used to secure and manoeuvre the helicopters from the landing area to the lift and within
    Flight Deck Location and Size For through flight decks the location of the helicopter operating spots should be such that helicopters can be operated from all spots within the complete wind envelope. The effect of ship’s super structure on helicopter operations should be minimal. To undertake simultaneous operation of four special ops helicopter or two heavy lift helicopter the operating spots are to be located one behind the other. To cater for the dimensions of the aircraft the minimum operating spot length 30 m for special ops helicopter and for Heavy lift helicopter minimum spot length 40 m. For a through deck ship the foremost helicopter spot should be strengthened for operating the 40 Tons helo. The ship shall have a through flight deck with each helo operating spot having a minimum width of 15m
    Flight Deck Marking Flight Deck markings are to be based upon the intersection of the pilot’s eyeline and the athwartships line for all ships. If the aircraft oleo pattern does not conform to those of standard IN helicopters then a new landing circle should be constructed based upon the optimum position for landing gear.
    Underway Replenishment Underway Replenishment should be iaw Def Stan 07-279 and Def Stan 22-94 (latest versions).
    Towing Arrangements The ship should be capable of towing another vessel of the same size and have complete arrangements for towing and being towed.
    Davits and Cranes
  • Two portable radial davits with SWL 250 kg.
  • Davits or suitable lowering/ hoisting arrangements for 2 x 10 m/ 1 x 7.0 m RHIBs, SORs and AUVs.
  • Four davits/ suitable arrangements for LCVPs (two on either side).
  • Cradles for lowering/ hoisting boats, SORs, UAVs would be on the rails for easy movement.
  • One Medium crane of at least 25T capacity. The crane design should cater for separate light/ heavy load hooks.
    • Anchors and cables Two bower AC 14 anchors of appropriate size. Anchor chain cable of appropriate size and length adequate for the size of the ship to anchor is to be provided.
    Boats.
  • Four Large RHIBs iaw latest IN specifications.
  • Two Medium RHIBs iaw latest IN specifications.
  • Six General Purpose Inflatable Crafts with single point lift for hoisting/ lowering by single arm radial davit/ crane.
    • Life Saving Eqpt
  • Life Rafts. 20 men life rafts catering for 140% of MP and 110% of troop’s iaw IHQ MoD (N)/ DSR policy letter.
  • Life Jackets. GSLJs for 145% of the envisaged manning strength and 110% of troop’s carrying capacity. HDLJs as per scale.
    • Galley Separate galleys are to be provided for officers, sailors and troops. The officers, sailors and troops galleys are to be in close proximity of the respective dining halls. Design of galley and scullery is to be iaw Def Stan 02-121. The ship’s galley should have ready use cold/ cool room to store two days provisions to meet immediate requirements. This facility will be in addition to the cold/ cool rooms be provided to store 60 days provisions. Design and testing of cold/ cool rooms is to be as per Def Stan 02-111.
    Stores Ship to have Naval Store, Clothing Store, Victualing Stores, Bosun’s Store, Paint Store, Gunner’s Stores, Air Store, Engineering and Electrical Spare Stores, Two Store Rooms for Army, NBCD Store, Canteen Store, HADR Store, Shipwright Store, Inflammable Store and Medical Store.
    Cold/ Cool Room
  • Cold Room – 1.5 T for own use and 2.5 T for troops
  • Cool Room – 12 T for own use and 20 T for troops
    • Air Conditioning The air conditioning system should be designed to comply with NES 102. It should be in line with Total Atmospheric Control System (TACS) concept with multiple citadels/ shelter stations. Suitable high capacity ventilation and exhaust arrangement to maintain suitable temperature and a breathable atmosphere inside the dock well with the simultaneous operation of the engines of four LCMs or two LCACs/ L-CATs or embarked vehicles like AAVs and BMP-3 even with the ramp doors closed. Laid down temperature requirements for various compartments, such as magazines, equipment spaces, operation room, cabins, etc, to be provided as given below. 100% redundancy in A/C capacity to be provided. The external and internal design conditions are to be iaw Def Stan 02-102. The system is to cater for sustained operations in tropical conditions and passage through Sub-Arctic cold conditions with IN concurrence on internal temperatures. The specified temperatures are as follows:-
  • Ambient air - 41 ºC Dry Bulb/ 39 ºC Wet Bulb/ 40 ºC Sea Surface Temperature
  • Internal AC spaces - All comps except Galley Complex 23.5ºC Effective Temperature (27 ºC DB /19.6 º C WB)
  • Galley Complex – 29º C Effective Temperature 34.5 ºC DB/ 26 ºC WB)
    • Information Technology The Administrative Local Area Network (ALAN) will include all aspects of provisioning network connectivity, patch management, antivirus, security patches, and administration etc iaw latest IN IT policy.
    Sea Worthiness The ship should be capable of the following (iaw limits indicated in NATO STANAG 4154 as well as other limits/ restrictions imposed by the design/ equipment fitted):-
  • Transit on all headings up to Sea State 7.
  • Operating helos at all headings up to Sea State 5 and Sea State 6 at best heading as per NATO STANAG 4194 and 4154.
  • Combat system operation up to Sea State 6.
    • Propulsion The ship is to be provided with Electric Propulsion (Integrated Full Electric Propulsion/ Hybrid Propulsion) System based on the recommendations of the PSI study, the design displacement and powering calculations. Shipyard to indicate the best option/ solution for the LPD iro IFEP and Hybrid propulsion. The propulsion system should be capable of achieving the desired max speed for end of service life displacement with a growth margin of not less than 10% each on shaft power to cater for in-service increase in displacement, sea-way margin and in-service degradation is to be catered for. The ship should have two shafts capable of delivering the required power
    Auxiliary Propulsion. Auxiliary Propulsion consisting of Bow Thrusters are to be provided to enable better manoeuvrability. The bow thrusters should be commensurate to the size/ tonnage and displacement of the ship.
    Diesel Engines and Reduction Gear (in case of Hybrid Propulsion) Four stroke, non-reversible and turbocharged propulsion marine diesel engines are to be provisioned for a twin shaft configuration. Each engine must be capable of developing requisite power under specified environmental conditions for the vessel. The diesel engines should meet the latest International norms on exhaust emission and personnel safety (IMO/MARPOL regulations on exhaust emissions). Main Diesel Engines and its associated equipment are to comply with Def Stan 02-313. The Diesel engines should be able to achieve the rated speed at 85% of the MCR at designed full load displacement of the ship. Two Marine reduction gearbox iaw Def Stan 02-305, complete with standard accessories are to be provided.
    Shafting/ Stern Gear Suitable shafting iaw Def Stan 02-304 will be designed and manufactured to meet the requirement of the vessel
    Power Generation Proven models of suitably rated Gas Turbine Generators (GTG)/ Diesel Alternators (DA) with LV/HV power output depending on the requirement of IFEP/ Hybrid propulsion are to be provided. The DAs should be compliant to the Def Stan 02-313, 08-142 and extant IN policies. The GTG should confirm to Def Stan 02-309 and 02-362.
    Propellers The vessel will be equipped with two CPP/FPP of material NAB based on the recommendation of PSI. The propeller design is to ensure that no ‘singing’ phenomenon of propellers occurs. Further, there should be no cavitation throughout the range of operation.
    Emergency DG Set. Emergency generator confirming to EED-Q-242(R2) and Def Stan 313 Issue 3 specifications should cater for following equipment one after the other and is to be provided with starting by battery as well as compressed air:-
  • Communication equipment.
  • Emergency Lighting.
  • Fire Pump (one).
  • Salvage Pump (one).
  • Steering Gear (one steering pump).
  • High Pressure Water Mist System.
    • Integrated Power Supply Management System (lPSMS). An Integrated Power Supply Management System (IPSMS) consisting of IPMS and APMS is to be provided, capable of controlling and monitoring main propulsion system components, DAs, auxiliaries, ship systems, power generation, distribution, LV/HV load management including Damage Control Systems. The IPSMS should be based on VME 64 open architecture with distributed control system and dual redundant optical fibre network.
    Steering Gear Electro Hydraulic Follow-up type Steering Gear is to be supplied with redundant power packs, piping systems, power supply and VME 64 control system. Rudder angle indicators are to be provided in the steering gear compartment, MCR, Engine Control Rooms, Bridge (multiple positions), Ops Room, ECP and LSO. Primary, Secondary and Emergency steering positions are to be provided. Auto pilot facility is to be available on steering consoles. Emergency steering pump for operation of the steering gear from emergency steering position should be catered for.
    Stabilisers The ship is to be provided with suitable active stabilization system to meet the operational, weapon utilisation, habitability and sea worthiness requirements specified in earlier/other sections iaw Def Stan 02-339. The Stabiliser control system should utilize open architecture VME 64 cards.
    Main Air Compressors Electric driven air compressors of adequate capacity catering to 100% redundancy as per the calculated air requirements at 300 bar/ highest pressure required by the consumers complying with Def Stan02-315 are to be provided. Adequate air storage reservoirs are to be provided at suitable locations.
    Emergency Air Compressor Diesel driven air cooled high pressure air compressor of adequate capacity with suitable starting arrangements is to be same as that of the motor driven compressors provided onboard.
    Air Conditioning Plants
  • Central air-conditioning plants utilising magnetic bearing compressors, catering to the ship’s load and minimum reserve capacity of 50% (over and above ship's design load) is to be provided. The AC compressor should use R134A or a superior refrigerant.
  • The number of plants is to be such that with one plant not available, another plant can be rested with the ship's full load being met by the balance plants. All plants should be equally rated and independently operable.
    • Refrigeration Plant Minimum two ref plants with 100% redundancy are to be provided to meet ship's requirements to stow victuals for atleast 60 days for the embarked troops and ships complement. The ref compressor should use R134A or superior refrigerant.
    Reverse Osmosis Plant. Required number of RO Plants having suitable capacity are to be provided. The fresh water storage capacity is to be commensurate to the requirement of the ships complement, embarked troops and aviation requirements.
    Auxiliary systems Auxiliary systems like Firemain, Machinery sprinkling, Salvage systems, Domestic Fresh Water systems, Chilled Water system, Domestic Sea Water system, Machinery Sea Water Cooling system, Fuel system, Lub Oil System, AVCAT system, Bilge Pumping Out System, Ballast and De-ballast system and Fixed major fire fighting system in machinery compartments to be provided.
    Power Supplies Following to be provided:-
  • The HV Power supply would be 6.6KV/ 4.16KV/ 3.3 KV or any suitable HV depending on the requirement of the IEP plant.
  • The LV for feeding the ship’s service load would be 415V, 50 Hz, 3 phase. The LV Power distribution system is to be in line with conventional warship distribution configuration, controlled through APMS.
  • The ship’s lighting supply would be 230V, 50 Hz, 1Ph and the ships would be fitted with LED light fittings conforming EED-50-33 (R1).
  • Power supply for domestic/ portable and COTS equipment will be 230 V, 4 wire system.
  • Two in number shore supply connection boxes are to be provided on Upper Deck for taking 415 V, 50 Hz and 3 phase shore supply.
  • 115/ 200 V AC 400 Hz 3 phase 4 for helo Starting
  • 28 VDC
  • 24 V DC
    • Change Over Switches
  • Critical equipment/ systems are to be fitted with Auto Changeover Switches (ACOS) to ensure availability of alternate power supply during partial failure/ non-availability of primary power supply. The Auto Transfer Switch (ATS) are required to be installed in lieu of ACOS for systems with embedded system software (Radar, SONAR, Weapon Systems etc).
  • Remote Operated Change Over Switches (ROCOS) for heavier load motors viz., AC Plant, Fire Main, HP air Compressor etc. would be required. In addition, HCOS is to be provided for all equipment envisaged to be provisioned with supply through Emergency Supply Connection Box (ESCB).
    • Conversion Machinery Requisite number of suitable static and rotary power conversion equipment to be provided. Static convertors as per NES 537 and rotary as per NES 627.
    EMI/ EMC
  • Standard procedures as per IHQ MoD (Navy) promulgated policies (NECP – 500) on EMI/ EMC aspects to be followed for shipbuilding.
  • The location of all antenna is to be arrived at using modelling software like ship EDF
    • Internal Communication
  • Analog MBSRE/ Intercom. Analog MB-SRE/ Intercom are to be provided iaw EED-51- 08 dated 20 Dec 13. The analog MB-SRE/ Intercom is required to be interfaced with ACCS communication suite being fitted onboard.
  • Auto Telephone. Provisioning of an independent auto telephone system through suitable digital telephone exchange capable of being connected to at least four external (P&T telephone lines) is required to be undertaken.
  • Sound Power Telephone. Provision of Sound Power telephone is to be catered onboard the ship.
  • Wireless Communication. Internal communication consisting of at least 200 number of hands free sets or as defined by the user having capability to be interfaced with ship’s telephone exchange to be provided.
  • Multi-Channel voice recorder is to be provisioned linking internal conning circuits.
    • Main Switchboard (MSB). Two switch boards for meeting the requirements of generation control and distribution of power supply system should be provided. Switch boards shall be designed for control and distribution of 415 V, 3 Ph, 50 Hz AC supplies. Switch board enclosure is to meet the requirements to IP-43 standard i.a.w EED-Q-264.
    Emergency Switchboard The electrical power supply from Emergency Generator / Emergency switchboard shall be totally independent source, (as per Classification Society Rules Requirement) and SOLAS. The construction of Emergency switchboard should be similar to that of Main Switchboards and installed on main deck in Emergency Generator Room.
    Distribution Boards Sufficient Nos of distribution boards for 415 V, 230 V, 3 phase, 50 Hz, 230 V, 1 phase and 24 V DC to be installed at appropriate position. All circuits shall be protected by the MCBs of adequate rating.
    Transformers All Transformer/ Rectifiers should conform to EED-50-16, NES-535/NES-536/NES-537. The ship builder shall provide sufficient number of suitable capacity 3 Phase 415/230 volts transformers to cater for small domestic/ galley, lighting, wireless equipment, and navigational loads.
    Automatic Emergency Lanterns (AELs). Rechargeable LED based AELs having rechargeable Ni-Cd cells should be fitted in all living spaces, working areas, lobbies and escape routes. AELs shall conform to EED-50-28 (R1)
    Degaussing Computerised triaxial DG system interfaced with ship INS SA.
    Navigational and signal lights Navigational and signal lights as per IRPCS 72 and a navigational light panel conforming to EEDQ–261 to be provided.
    NBCD Requirements
  • The requirements for Damage Control, Fire Fighting and Protection, NBC protection and Safety, should be as specified in INBR 312, NES119 and NES 118, as applicable. An IPMS catering for Machinery Control, Power Management, Damage Control, Biological and Chemical Warfare, is to be provided. The control architecture should be distributed digital architecture. Damage Control System should be part of IPMS. BDCS must be able to control/monitor all major Fire Fighting Systems and Damage Control Equipment. Display panel to be provided in DCHQ, Alternate DCHQ and Section Bases.
  • Fire Main System and Fire/ Salvage Pumping Arrangements.
  • Modern Fixed Fire Fighting Systems for Machinery compartments and AVCAT storage Compartment (HP Water Mist/High Expansion Foam/FM 200) or a combination of the aforesaid to be provided.
  • Addressable Smoke and Fire Detection System (AFDS).
  • Manual sprinkling systems are to be provided to magazines/ lockers that contain water activated stores, ammunition transfer spaces, upper deck launchers and containers, hangars and compressed gas cylinder stowage spaces (eg. Oxygen, acetylene, CO2, N2, etc.), highly flammable stores, balloon filling stations, paint stores and rooms, AVCAT compartments, etc.
  • Galley Fire Detection and Fire Fighting System with Wet Chemical Suppression for Galley.
  • Flood Warning/ Alarm System to be provided for all vulnerable / high risk compartments.
  • Fixed H2S Detection and Alarm System is to be provisioned in STP compartments with visual display and audio alarm in DCHQ.
  • Ship Installed Radiac System (SIRS).
  • Ship Installed Chemical Agent Detection system.
  • Provisioning of Prewetting System iaw Def Stan 02-118 Section 8 of NES 118 and Para 205
  • of INBR 312 (Rev)
    • NBC Arrangements
  • Provision of collective protection (Citadel).
  • Provision of shelter stations.
  • Provision of Cleansing stations.
  • Air conditioned stowage for heat sensitive NBC gears.
  • Provision of a salt-water shower in the watch keepers post in the machinery spaces.
    • Special Operations
  • Special Ops complex catering for requisite requirements of Spl Ops teams needs to be included to ensure seamless launch of missions for 80 personnel.
  • The ship is likely to embark two Special Operation RHIBs (SORHBs) (length 15 mtrs and weight 10 T) for undertaking special operations, including lowering arrangement and usage in high sea states and fuelling facility.
  • Suitable launching/ recovering arrangement and stowage space for two chariot crafts/ SPC be provided. (Length 12 mtrs, Weight 6 tons).
  • Air conditioned stowage space for two man-portable Autonomous Underwater Vehicles (length 2 m, weight 100 kg) anticipated to be launched from SORHBs/ other boats of suitable size.
  • One dedicated armoury for stowage of specialist arms and ammunition to be provided which should be near Special Ops Complex.
    • Sickbay Complex The Sickbay complex is to be located suitably in mid-section of ship, in an area which has low noise and vibration levels. It is to be preferably located on the same deck as helodeck to facilitate easy transfer of casualty to and from Sickbay. The sickbay complex should have separate Air Treatment Units (ATU) with alternate power supply. The Sick Bay will also be the Primary Operation Theatre (OT). It is to have three distinct sections, i.e., MO’s Examination Room, Ward area/ Patients’ accommodation and OT with a Pre-Operation Room.
    MO’s Examination Room The Sickbay should have at least 4 separate MO’s Consultation rooms.
    Patient Accommodation / Ward Area
  • General Ward. One general ward with at least 24 beds is to be provided. They should be placed in a suitable (fore and aft) configuration to minimize the effects of rolling.
  • Intensive Care Unit (ICU). One 16 bed ICU is to be provided in configuration of 12 ICU beds + 4 bedded burns Unit.
  • Isolation Ward. A separate compartment is to be earmarked as Isolation Ward. The compartment should be as per NES 106 Part 2 with double partition type and located in the least inhabited portion of the ship. There should be a separate ventilation arrangement with crash stop ventilation and a separate ATU. There should be a total of eight beds in the Isolation Ward. This space can be used as a living space if there are no patients.
  • Each ward complex is to have attached WC and bath of size at least 2 x 2 m.
  • Adequate number of marinised package ACs are to be fitted for the wards and sickbay complex in general
    • Operation Theatre (OT) The operation theatre to be provided with one hydraulically operated, foldable, good quality, advanced operation table, a clear space of 1 m on three sides and 1.5 m on head end , Shadowless OT Lights should be fixed over the operation table and 10 KVA UPS as power backup for life saving equipment.
    Dental Facility A modern Dental Facility/ Dental Centre is to be provided close to sickbay. The Dental Facility should have three separate compartments. One should be adequate to be used as store for Dental Centre and other 2 will house the 3 Compact Dental Chair Units for Dental procedures.
    Additional Medical facilities X-Ray Room, CT Scan Compartment, Pathological Laboratory, Stretchers, First Aid Posts (FAP), Telemedicine Consultation System, Trauma Dressing Stations, Trauma Dressing Stations (Wardroom to be converted).
    Hospital Ship Role The ship may be required to provide limited Hospital Ship cover during HADR missions or to accompanying units during extended operations away from base port. In order to cater for varied tasks like Hospital Ship and HADR Role. The ship is envisaged to house four 20 feet x 9 feet x 9 feet standard shipping containers, customised for Hospital Ship Role. Containers must have easy access to Helo Deck/ Boat Deck. A total of 50 bunks in SS Mess and JS Mess are to be provided with the facilities for conversion into two wards for holding and managing causalities.
    LCMs
  • LOA and breadth 23 m x 6.5 m approx.
  • Draught < 5 ft.
  • Cargo Carrying Capacity 60T.
  • Speed of 20 kn plus at light load and minimum 15 kn in full load.
  • Endurance 200 nm.
  • Troop carrying 200 (approx).
  • Sea Worthiness - operate in up to Sea State 3 and should survive up to Sea State 5
  • The hull structure of the LCM should be of DMR 249 A.
  • The LCM's should have two diesel engines driving two propellers/ water jets.
  • The ramps are to be operated by hydraulic motor system with multiple redundancy in case of primary power failure. (l) When the main propulsion is running, the boats supplies are to be met through engine driven alternators.
    • LCVPs The ship is to be fitted for to embark 4 x LCVPs. The LCVP should be davit mounted/ housed on deck within the well dock or with any other suitable hoisting/ lowering/ stowage arrangement. The essential parameters of the LCVPs are as follows:-
  • LOA and breadth 43 feet m x 10.5 feet.
  • Weight – NMT 9.5 tons.
  • Maximum Speed – NLT 12 knots.
  • Endurance – 200 nm.
  • Vehicle carrying capacity – NLT 4.0 tons.
    • Landing Craft Air Cushion (LCAC) The ship is to be fitted for to embark two LCACs in lieu of 4 x LCMs. The essential parameters of the LCAC are as follows:-
  • Length - < 88 ft.
  • Breadth - < 48 ft.
  • Height - < 24 ft.
  • Cargo Capacity - > 75 T.
  • Troop carrying capacity - > 180 troops.
    • Landing Catamaran (LCAT) The ship is to be fitted for to embark two L-CATs in lieu of 4 x LCMs. The essential parameters of L-CAT are as follows:-
  • Length - < 99 ft.
  • Breadth - < 42 ft.
  • Cargo Capacity - > 100 T.
  • Troop carrying capacity - > 180 troops.
    • Meteorology The ship is to have a Meteorological Office onboard, which should be able to provide the following information for distribution to various users:-
  • Relative and true wind speed.
  • Relative and true wind direction.
  • Cloud ceiling height.
  • Atmospheric pressure.
  • Dry bulb air temperature.
  • Wet bulb air temperature.
  • Broadcast of weather information.
    • Rules and Regulations
  • The international conventions and regulations , as listed below and as applicable, are to be applied as far as the operability of the ship as military vessel allows it:-
  • International Convention for Safety of Life at Sea (SOLAS).
  • 1972 International Convention for Prevention of Collision at Sea.
  • Extant policy on International Convention for Prevention of Pollution from Ships (IMO/ MARPOL).
  • ICOS (IMO - International Code of Signals).
  • Rules of Navigation and Tonnage Regulation for Suez and Panama Canal Authorities, including Measurement.
  • ISO 9943 – Ventilation and Air - Treatment of Galleys and Pantries with Cooking Appliances.
  • Effluent/ emission treatment for overboard and underwater discharges and funnel discharges, commensurate with the International Convention for the Prevention of Pollution from ships 1973, Protocol 1978.
  • International Convention on Load lines, 1966 and the International Convention on Tonnage Measurement.
  • Ballast Water Management (BWM) convention 2004.
  • The ship is to be built as per Naval Rules of any of the following International Association of Classification Society (IACS) accredited Classification Societies, either single or dual Class. The selected Class society (or the lead Class Society, in case of dual Class) should have previous experience of Classification of similar ships i.e. LPD or LHD ships. The Naval Specifications/ Owners requirements will be applicable superseding Class rules for the specific portions wherever indicated:-
  • RINA.
  • Det-Norske Veritas - Germanishcher Lloyd (DNV-GL).
  • Lloyd’s Register of Shipping.
  • Bureau Veritas.
  • Indian Register of Shipping (IRS).
  • ABS.
  • Should conform to latest MARPOL regulations.
  • The ship should have a growth potential as per Def Stan 02-900, Part 4, Issue 1 (combatant ships criteria) and NCD 0106, Issue 1 for stability and weight and 25 % for power generation capacity. Growth margins for ships displacement and KG should be as follows:-
  • Full Def Stan 02-900 rates for first 10 years.
  • Half Def Stan 02-900 rates for next 10 years.
  • Third of Def Stan 02-900 rates for last 10 years.
  • The issue of trials and inspection for platform should be under the purview of both Classification Society and IN wherein mission critical equipment and weapon/ sensors would need to follow IN norms.
  • Naval Ship Code (ANEP-77) may be referred for design of applicable Naval aspects which are not specifically addressed by Naval Class Rules and specifications/ standards indicated by IN.



    • 2020

    Displacement, full 30,000 and 40,000 tonnes.
    Displacement, light tons
    GT (Gross Tonnage) tons
    NT (Net Tonnage) tons
    DWT (Deadweight) tons
    Length, O/A 215 meters / feet
    Length, W/L meters / feet
    Length, B/P meters / feet
    Max Beam meters / feet
    Draft 8.0 meters / feet
    Height meters / feet
    Propulsion Type electric propulsion systems
    Engines
    Number of Main Engine(s)
    Main Engine builder
    Main Model
    Main RPM
    Main power
    Propeller(s)
    Speed, maximum20 knots
    Speed, Cruise Knots
    Range nautical miles at knots
    Stores endurance 45 days
    Electronics
    Weapons Systems
  • point defense missile system
  • close-in weapon system
  • anti-torpedo decoy system
  • chaff system
  • heavy and light machine guns
    • landing craft
  • landing craft mechanized
  • landing craft, vehicle, personnel
  • landing craft air cushion vessels
    • Accomodation
  • 6 main battle tanks
  • 20 infantry combat vehicles
  • 40 heavy trucks
    • Aviation
  • Special operation helicopters
  • large helicopters, up to 35 tons
    • Complement 1,430 personnel
  • 60 officers
  • 470 sailors
  • 900 troops



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