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+ Energy Saving HVAC System
  - HVAC System Summary
  - HVAC System Selection
  - Standard Specs
+ Clean-Room System
  - Clean-Room System Summary
  - Clean-Room Design Checkpoints
  - Particles and Class
  - Air Handling Unit
  - Condensing Unit
  - Air Control Unit
  - Air Shower
  - Pass Box
  - Clean Booth
  - Clean Bench
  - Clean Locker
  - Fan Filter Unit
  - Blower Filter Unit
  - Hepa Filter Box
  - Relief Damper
+  Contant Temperature and Humidity
    Chamber
  - T/H Room Design Checkpoints
  - Standard Specs
  - System Concept Diagram
+ Cooling Dehumidifier Unit
  - Standard Specs
+ Adsorbent Dehumidifier Unit
  - Summery
  - Standard Specs
Clean-Room Design Checkpoints

Pattern of Air Flow
Laminar flow or turbulent flow is available. Their characteristics and usage purpose should be considered in making
a decision.

Cleanliness Level
Cleanliness level of a clean-room is determined by the cleanliness level required for the production process.
Cleanliness level should be determined after carefully evaluating the air-flow pattern, ventilation frequency and indoor
pressure.

Lay-Out
Lay-out is to be determined to suit the production and cleanliness level. Processes that create excessive dust should be isolated from other processes.
Also, personnel/item entry/exit, passage, utility and maintenance/repair should be comprehensively evaluated.

Structure & Materials
The indoor surface should be as smooth as possible to prevent air-flow disturbance and dust collection. Select materials
that particles do not stick to easily, generate little dust and are easy to clean.
Depending on the nature of processes, chemical-proof/humidity-proof/fire-proof materials can be used.

Additional Equipment
Additional equipments for a clean-room are an air shower (for personnel) for dust-removal and pressure maintenance,
pass box (item entry/exit) and relief damper (indoor pressure adjustment) as well as a clean stocker and clean locker for
storage of items and dust-proof clothing.
The functions of each of these equipments should be thoroughly understood.

Control of Personnel and Materials
Items entering the worksite from the outside are the biggest cause of dust.
Personnel require basic knowledge of clean-room operation including dust-proof clothing and make up.

Utility
Energy-supply devices for water, gas and electricity must be selected by considering the air-flow pattern and lay-out
flexibility.
Also, precautions must be taken during maintenance/repair so that the cleanliness level is not reduced.

Safety & Emergency Plan
Preventative measures for fire, gas leakage, etc are required as a clean-room is sealed.
Back-up power facility is required for devices that might be affected by power failures.

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