An Ol-class replenishment oiler that was rebuilt by Iranian naval shipbuilding for the navy of Islamic republic of Iran army in 2015. It is designed to conduct the traditional naval tasks as well as maritime security operations. ARMANIK was responsible for the engineering, supply, installation and commissioning of the whole HVAC systems' and cold storage compartment as follows : 

AMD accommodation
AFT accommodation
Student Dormitory 
MCR and switchgear spaces 
Cold storage compartment 

Challenges
Technical challenges (among other contractors)
Shock, vibration and EMC requirements
Vulnerability requirements for certain systems
Space constraints for the routing & handling and transporting of electrical panel, compressors ,fans ,ducts and pipes
Incompatibility of new equipment and control system with some existing equipment
Time schedule limit
Lack of data and shipbuilding calculations
Different source of electrical power supply 

Scope of work

ARMANIK’s scope of work for the above project comprised:

Pre-contract
Co-writing technical specifications and implementing  and calculating of load the HVAC system within the vessel design.

Post-contract
Complete design and engineering of the HVAC  systems, followed by delivery, installation, commissioning, FAT, HAT, SAT and ILS activities.

Vessel was reconstructed by iranian Naval Shipbuilding  in the persian gulf . 

Scope of supply
Among several smaller items of equipment, the following main equipment was supplied.
                                                  AMD Section
1x Air-treatment unit with control panel
1 x Rack plant with control panel and compressor redundant operations
2 x Sea water cooled condensers 
System monitoring from upstream
                                                  AFT Section 
2x Air-treatment unit with control panel
1 x Rack plant with control panel and compressors' redundant operations
3x Sea water cooled condensers 
System monitoring from upstream
 
                                                  Student Dormitory 
2x Air-treatment unit with control panel
1 x Rack plant with control panel and compressors' redundant operations
2 x Sea water cooled condensers 
All ducts and duct work
System monitoring from upstream

                                              MCR and Switchgear spaces 
3x Air-treatment unit with control panel
1 x Chilled water plant with control panel 
2 x Chilled water booster pump

                                              Cold storage compartment

1 x Provision refrigerant unit with control panel
3 x Evaporator