Job Report

HVAC EQUIPMENT PIPELAY VESSEL “APACHE II”SHIPYARD Metalships & Docks S.A., Vigo, Spain SHIP OWNER Technip

DESCRIPTION OF THE PROJECTThe vessel was designed for ship owner North Sea Shipping by ship designer Sawicon, and is delivered as vessel number three out of a series of five similar vessels. All ordered by the same owner, according to the same base design and at the same shipyard, Metalships & Docks S.A. located in Vigo, Spain.The contract for Novenco has included functional design and engineering, delivery of equipment, installation and on-board testing of the complete HVAC plant.

VESSEL MAIN DATA:Length overall: 138.3 mBeam: 27 mClass: DNV, +1A1, DYNPOS AUTR, EO, CLEAN, COMF-V(3), NAUT OSV(A), HELDK, DK(+)Crew: 120 pers.The vessel is capable of moving from harsh winter condi-tions of -20°C to extreme tropic conditions of 40°C and 70% relative humidity, keeping a high comfort indoor climate for the crew.

CHALLENGES“APACHE II” is a large vessel with high focus on quality, func-tionality and comfort.This job was a turn-key job for Novenco, including installation work of all HVAC-systems in the vessel. Running the project from our Norwegian office sets high demands on local pres-ence, local partners, good communication, smooth logistics and on-board supervision.Class notation is as expected of a high class offshore vessel with strong requirements for noise, redundancy, environ-mental design as well as Wheelhouse comfort and safety.

SOLUTIONSThe success of integrating well-functioning HVAC-systems in a ship requires a good cooperation between shipyard, ship owner, ship designer and HVAC-supplier.The size of the vessel, combined with the high focus on quality, functionality and comfort required Novenco to put on an experienced team of engineers. They have chosen quality products, designed systems according to rules and regula-tions, and they have designed the duct systems carefully to

Job Report

HVAC EQUIPMENT TECHNICAL DESCRIPTION EQUIPMENT

reduce noise and pressure loss.Novenco’s long term cooperation with Exacta for installation work has been of vital importance for our ability to deliver a turn-key job for such a complex project with such a close local supervision.Environmental friendly design requires high efficiency equipment to reduce the power consumption and finally reduce the emission to air from power plant. This vessel has

installed enthalpy exchangers for the main air handling units, recovering 70% of the energy. AHU fans are capacity con-trolled according to system pressure. Engine room fans are of high efficiency type, improved with automatic frequency drives to adjust the airflow according to the actual need of the engine room machinery. Novenco’s name on such envi-ronmental friendly design is e Vent.

SCOPE OF SUPPLY:

SERVICES PROVIDED:Project managementDevelopment of functional designCalculations, drawings and documentationInstallation workOn-board commissioning

EQUIPMENT:2 air handing units for accommodation incl. enthalpy ex-changersCabin unitsAir handling unit for Wheelhouse/defroster systemAir handling unit for GalleyAir handling unit for Online/Offline rooms2 Air handling units for cooling of technical spaces9 fan coils7 axial flow fans1 Centrifugal flow fan24 smaller fans2 chiller unitsProvision plantControl panels and frequency convertersExternal louversRegulating valves for chilled water system

SYSTEMS:We have supplied a high pressure single-pipe re-heat sys-tem, which is basically a single duct air conditioning system with re-heating coils built into the cabin units. In this system temperature and air flow can be varied independently in each room.

mu 15204 0715

Mixing- or shut-off damper

Filters

Heating

Cooling

Fan

Enthalpy exchanger

Supply air

Transfer air

Exhaust air

User panel

PowerCommunication

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Owing to continued product development Novenco Marine & Offshore reserves the right to introduce alterations without prior notice