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Development of Working Design Documentation:
Development of shipbuilding documentation, including basic diagrams, assembly and installation drawings and specifications, lofting-process documentation and other design documents required by a shipbuilding facility.
Conceptual Design and Calculations:
Development of documentation for concept designs, draft project and engineering project plans to the extent necessary to make a decision or to obtain approvals at different levels of authority, including Classification Societies.

Shipbuilding management:

Operations performed in support of the shipbuilding process at a shipbuilding facility. Including;

• amendment of design documentation, according to the results of shipbuilding, due to changes in components and materials;

• adoption of prompt engineering decisions on request of the shipbuilding facility;

• providing specialists of the shipbuilding facility with technical assistance;

• monitoring the shipbuilding process as part of field supervision;

• participation in acceptance work;

• participation in harbour acceptance tests, builder's and official trials)
HVAC Calculations and Schematic Diagrams
NPO HS Mashinostroenie performs a full range of all necessary calculations for HVAC systems and obtains approval from the RS.

The calculations are performed according to the following guidelines:

- RD 5.5294-76 Air conditioning and ventilation systems. Rules and regulations for aerodynamic calculation.

- RD 5.5584-89 Air conditioning and ventilation systems for shipboard use. Design rules.

- GOST 24389-89 Air conditioning, ventilating and heating systems for shipboard use. Design characteristics of air and design temperature of seawater.

- SN 2.5.2.047-96 Noise levels on board marine ships. Sanitary norms.

The calculations include:

1). Heat load and heat loss calculation of rooms.

Wet-heat calculation with a process diagram

2). Aerodynamic calculation of air courses

3). Hydrodynamic calculation of pipelines for heating and cooling systems

4). Calculation of the aerodynamic noise of ventilation systems.

Based on the calculations, NPO HS Mashinostroenie develops schematic diagrams of ventilation, air conditioning and heating systems and decides on basic equipment to ensure the required microclimate parameters.

Installation of HVAC Systems
The HOTCHYA Company carries out turnkey installation, hook-up and start-up as well as supports a wide range of equipment for heating, ventilation and air conditioning systems (HVAC).

The company has valid approvals of the Maritime and the River Registers of the Russian Federation to install ship equipment.

The systems are installed in strict adherence to the schedule of the shipbuilding certificate and in compliance with all safety requirements when working on board.

The company also provides installation supervision services for the supplied HVAC equipment.
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