OPERATIONAL / TECHNICAL SPECIFICATIONS FOR
NEXT GENERATION MISSILE VESSELS (NGMVs)
1.
Aim of RFI To finalise the specifications of Next Generation Missile Vessels (NGMVs) to meet the Indian
Navy's requirements.
2.
Capabilities of NGMV
The main capabilities that NGMVs are envisaged to possess are Surface warfare capabilities,
low RADAR, acoustic, magnetic and IR signature, high endurance and credible AMD/AA
capability.
3.
Dimensions Beam/ Length - Commensurate with the draught and displacement of the ship.
4.
Displacement As per design
5.
Draught < 5.0 m
6.
Hull Form Single hull construction based on proven hull form or supported by adequate model
testing for resistance, propulsion, manoeuvring and sea-keeping.
7.
Complement The ship would have a complement of approx 11 officers, 02 U/T Officers and approx 80 sailors.
8.
Range &Speed (a) The range of ship should be not less than 2800 nm at sustained economical speed and
1000 Nm at max speed.
(b) Max speed of the ship should not be less than 35 kn.
(c) The max-sustained speed should not be less than 25 kn.
(d) The ship should be capable of operating at low speed of ten knots for atleast 08 hrs
continuously. Restriction in engine hours should not be an overbearing consideration, to enable
flexibility in tasking
9.
Endurance (a) The ship should be able to sustain at sea at economical speed for a minimum of 10 days
without Operational Turn Around OTR (with 25 % reserve fuel remaining onboard).
(b) The ship should also have the ability to undertake astern fuelling from Tanker/ Capital
ships to increase endurance.
10.
Propulsion The propulsion system should be able to provide the requisite power to weight ratio required
for the ship. The propulsion system should also cater for greater endurance and operations in low
speed regimes during Low Intensity Maritime Operations (LIMO) or Exclusive Economic Zone
(EEZ) patrols. The main engines should be capable of achieving the rated speed at 85% MCR of
the engine. The propulsion system should be suitably designed to meet the stealth requirements
of the ship. The ships MCR should have automated and remote monitoring and indication and
control capability for all machinery including PGD.
11.
Auxiliaries Auxiliary systems like AC, refrigeration and ventilation, fire main, salvage, ballast and other
relevant auxiliary systems as per class requirements and considered necessary for meeting
operational requirements to be provided.
12.
IPMS The Integrated Platform Management System (IPMS) shall be dual redundant Gigabit Ethernet
Network, distributed architecture system covering the ship machinery and systems. The
purpose of the integrated system shall be to provide control and monitoring of the propulsion
machinery, power generation and distribution, auxiliary machinery and Damage control (NBCD)
machinery and systems through corresponding sub-systems.
13.
Power Generation and Distribution
(a) An independent APMS system with switchboard should be provided to cater for
100% reserve power and redundancy vis-a-vis maximum electrical load envisaged at any
operating regimes of the ship assuming an ideal loading of generators to 80% of the nominal
rating. Growth margin is to be catered as per IN policy, subject to a minimum of 10% of the
estimated value. The APMS system is to be suitably interfaced with IPMS.
(b) Generators should be suitable for unattended parallel operation.
(c) The electrical system and machinery and associated equipment shall conform to Naval
standards over and above classification rules.
(d) The following power supplies are to be made available onboard the ship:-
Ser Voltage Freq Phase Remarks
(i) 415V 50 HZ 3 Phase Main
Supply
(ii) 230V AC 50 Hz 1 Phase From
415V 3ph 4 wire
system
(iii) 24V DC -
(iv) Converted
Supplies
As per the requirement
14.
Emergency DA Emergency DA to be provided to cater for emergency power supply to communication and other
equipment. Emergency Generator, conforming to specification EED-Q-242(R2) is to be provided.
15.
Conversion Machinery
Suitable conversion machinery/equipment to provide requisite quality converted supplies
to be provided as per IN policy.
16.
RO Plant The ship should be fitted with atleast two RO plants of capacity not less than 20 T/day and water
storage capacity of at least 50 T to enable sustenance when the ship is employed in
shallow waters (up to 20 m depth).
17.
Cold and Cool Rooms
Cold and Cool rooms to carry fresh victuals for at least 15 days and dry provision store to keep
rations for at least 30 days should be provided.
18.
Weapons
(a) SSM Complex-The ship should carry a minimum of 08 SSMs.
(b) SAM System-The ship should be fitted with a Point Defence Missile System (PDMS) for
providing credible near 360-degree Anti Missile Defence (AMD) coverage to the ship. It should
be able to engage sea-skimming missiles, flying 3-5 m above sea level, upto a max speed of 3
Mach.
(c) MR Gun System- A Gun with stealth features having range not less than 15 km and
capability to carry out Surface to surface, Air to Air and Anti Missile Defence (AMD)
engagements should be fitted. It should have the facility to be remoted using Fire Control Radars
(FCR) as well as EO (Electro-Optical) sight.
(d) CIWS- The Close In Weapon System (CIWS) should be both radar and EO (Electro Optically)
guided to double up as Low Intensity Maritime Operation (LIMO) weapon. The placement of
CIWS should be such that it provides near 360-degree Anti Missile Defence (AMD) protection
without requirement of course alteration.
(e) Chaff-The ship should be fitted with suitable chaff system to provide credible passive ECM
capability against incoming missiles. It should be capable of firing chaff in all round direction in distraction, seduction and centroid modes.
(f) Small Arms- As per allowance.
(g) Low Intensity Maritime Operation Weapons-The ship should be fitted with following weapons
for Low Intensity Maritime Operation:-
(i) Two SRG with suitable system.
(ii) Acoustic Warning Device.
(iii)High power search lights with remote activation and Control.
19.
Sensors
(a) Passive Detection System-An Infra Red Search and Track (IRST) system should be fitted
onboard. The system should be integrated with all gun mountings and should have the facility for
interfacing with Combat Management Sytem (CMS).
(b) Surveillance Radars-The ship should be fitted with one each Surface and Air surveillance
radar for early warning and Fire Control Radars (FCR) for target indication to all its weapons.
(c) Combat Management System-The ship is to be fitted with an integrated Combat
Management System (CMS) for network centric operations and quick response for situations at
sea. The ship should also have a Ship Data Network (SDN), which should form the backbone for
networking all weapons, sensors, SHHD equipment and integrating the CMS to enable exchange
of data between ship borne systems. Networks like IPMS, IBS and ACCS are to be interfaced to
SDN via suitable gateways, if required.
(i) Voice Communication System (VCS)-The VCS for internal communication is to be
analog and thus not interfaced with SDN.
(ii) Administrative LAN (ALAN)-The ship is to be fitted with an integrated ALAN system for
networking all offices and accommodation spaces. The ALAN is to be independent of SDN.
(d) Navigation Systems-All the latest navigational aids should be available onboard the ship, viz.
Integrated Bridge System (IBS), ECDIS, AIS, LRIT, DGPS, COTS radar with good ARPA
displays etc. The systems fitted should comply with the latest IMO regulations. Standard Naval
IFF system would also be part of the fit.(e) CCTV. The CCTV camera are to be provided as follows:-
(i) Forward Section. One Pan Tilt Zoom (PTZ) camera each on Port and Stbd side, at
a suitable location on the Yard Arm covering the forward section.
(ii) Gangway Monitorinq. One fixed camera each on port and stbd side, near the
gangway for monitoring activities.
(iii) Aft Section. One fixed camera on the main mast.
facing aft covering the rear section.
20.
Communication & EW Outfit
The ship should have an Advanced Composite Communication Suite (ACCS) integrating all
communication equipment to the communication data-bus. The number of aerials should be
limited by using the concept of 'common aerial working' or similar concept. The ACCS should be
fully compatible with the data link equipment. The communication and EW equipment outfit is to
be as follows:-
(a) Sufficient V/UHF sets.
(b) SATCOM (fixed & Portable) equipment on indigenous satellite as well as
INMARSAT.
(c) VLF (for reception of VLF broadcast and plot transfer) equipment.
(d) HF sets for long distance two-way communication i.e receive HF digital broadcast and
transmit high speed digital messages and plots.
(e) Equipment which are part of IMO regulations.
(f) An EW suite consisting of an ESM system capable of detecting emitters in the
frequency range of 0.4 GHz to 40 GHz.
(g) COMINT system with direction finding in the frequency range of 30 MHZ to 3 GHZ,
capable of detecting various types of modern radar and communication equipment
waveforms.(h) Cryptographic equipment.
(j) Speech secrecy and data security equipment.
(k) Portable HF and V/UHF equipment.
(l) DAT recorder.
(m) Visual Signalling equipment.
21.
Network Centric Tools
All the latest Network Centric Warfare (NCW) tools and equipment should be available in the
ship, economically designed and fitted to save on space.
22.
Op Cycle
The operational duration of the ship between two consecutive refits is to be minimum 18 months.
23.
Degaussing
The ship should have computerised tri-axial DG system catering for automatic compensation
with ship's RLG. Automatic compensation for ship's heading, and manual latitude correction up
to 70 deg N/S latitude.
24.
Sea Worthiness
(a) The ship should be capable of the following:-
(i) Operational sea worthiness upto sea state 3.
(ii) Survivabilty upto Sea State 7.
(iii) Transit on all headings upto Sea State 4 and most suitable heading in Sea state 5.
(b) The vessel should be built as per IN policy on shock grading.
25.
Stability
(a) The vessel should satisfy the stability requirements for
both intact and damaged condition, including growth margins
as per NES 109 - 2000 for Naval vessels in military role.
(b) Should be fitted with stabilisers.
26.
Habitability
Habitability to be iaw NES 107 and IHQ MoD(N) guidelines. Latest ship design concepts with
respect to Ergonomics / functional aspects and Crew comfort are to be adopted. Equipment is to
be sited so as to cause least disturbance to crew in operational compartments and messes. Modular and ergonomically designed furniture should be fitted onboard the ship. Light weight
composite materials may also be used. The bunkerage is to be provided for 110% of
ship's complement (80 sailors + 13 officers).
27.
Ammunitions,Magazines & Launchers
The magazines, as listed below, are to be provided:-
(a) Surface to Surface Missile
(b) Point Defence Missile System (PDMS)
(c) Medium Range Gun
(d) Close in Weapon System (CIWS)
(e) Chaff
(f) Very Short Range Air Defence System (VSHORADs)
(g) Hand Grenade and Scare Charge Lockers
(h) RU lockers for Small arms
28.
Stealth
The design of the ship should incorporate stealth features to minimise RCS and IR signatures.
IR suppression features should be added onto the ship's exhaust system. Stealth fittings should
be considered. The hull is to be made of DMR 249A steel and the superstructure is to be made
of DMR 249A steel/ Aluminium. Shock mounts and low vibrations to ensure low acoustic noise
should also be an integral part of the design.
29.
Boats
The following are to be provided:-
(a) One Rigid Hull Inflatable Boats (RIB) (4.7 m).
(b) One Gemini craft with wooden chocks for stowage.
(c) One OBM tank for stowage/cleaning of OBMs.
(d) RIB to be re-configurable for LIMO role with provision for fitting LMG/MMG.
(e) RIB is to be provided with monsoon gear covers, which can be used even when the
boats are onboard.
30.
Davits
The ship is to be provided with one single arm davit each for lowering / hoisting of RIB.
31.
NBCD
The ship should be designed to pass through an NBCD fallout area and should therefore be
designed with citadels with Total Atmospheric Control System (TACS) and AFUs. It should have the following in addition:-
(a) Addressable fire, flood, smoke and gas (in selected compartments) alarm systems.
(b) Magazine automatic fire fighting systems with independent sensors.
(c) Compartment flood, fire and smoke monitoring and alarm systems.
(d) Fixed major fire fighting systems (Watermist) in all machinery compartments along with
standby fire fighting system.
(e) Fire fighting system integrated with the addressable fire detection system based on
new age extinguishing agents for entire ship.
(f) Independent Damage Control Headquarters (DCHQ) for controlling all NBC/ DC and FF
system and their monitoring and indication.
(g) Automatic galley fire fighting system.
(h) Ship Installed Radiac System (SIRS).
(j) Automatic fire detection and fire fighting system in helo hangar.
(k) Battle Damage Control System (BDCS).
(I) Pre-wetting system.
(n) Adequate provisioning of DC and FF lockers throughout the ship for part stowage of CNAL
items.
(p) Provision of fixed smoke extraction fans in each zones with multiple intake points and
remotely operated from DCHQ.
(q) Provisioning of emergency bulkhead connections.
(r) Provision for fixed shores in all red risk zone hatches.
32.
Watertight and Gas tight Integrity
(a) Water tight boundaries are to be in accordance with NES 876, issue 1 regarding surface
ship subdivision and NES-109-2000, issue 4 Part 1 for ships stability. All watertight boundaries
should extend upto V line and all openings below the V line should be watertight. Other openings
may be air/weather tight depending on design.
(b) Air pressure test to be done in accordance with INBR 31 and IHQ MoD(N) guidelines.
(c) Citadels to be provided and tested as per Naval standards. Ventilation is to be
iaw NES 102. Total atmospheric Control System (TACS) is to be provided.
33.
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:-
(a) International Convention for Safety of Life at Sea (SOLAS).
(b) 1972 International Convention for Prevention of Collision at Sea.(c) International Convention for Prevention of Pollution from Ships (MARPOL) along with
IMO Regulations MEPC 159/55 for sewage, galley waste, garbage disposal etc.
(d) ICOS (IMO- International Code of Signals)
(e) ISO 9943 - Ventilation and Air - Treatment of Galleys and Pantries with Cooking
Appliances
(f) 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.
(g) Rules of Navigation and Tonnage Regulations for Suez and Panama Canal
Authorities, including Measurement.
(h) International Convention on Load lines, 1966 and the International Convention on
Tonnage Measurement.
(j) Growth Margin to be in accordance with NES 109 criteria for warships
(k) Classification Standards-The ship is to be built as per ABS/ BV/ DNV/ GL/ LR/ RINA
classification society rules.
http://www.irfc-nausena.nic.in/rfi/RFI_NGMV_02Feb15.pdf