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(A)「Clean Room」Main Room It refers to the room for configuring of machinery and equipment and operating room based on productio

(A)「Clean Room」Main Room It refers to the room for configuring of machinery and equipment and operating room based on productio

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Unless planning of the plant as a whole, design of most domestic clean rooms has to compromise with established building environment, especially the planning on auxiliary room and machinery room of clean room, which is “saving as possible”; however, with improving standard for clean room, the area of auxiliary room and machinery room of the clean room may be ≥50% area of main room. Area ratio for installations in clean room of different cleanliness levels is shown in Fig. 3-2. Floor height and spatial height required for clean room of different cleanliness levels is shown in Fig. 3-3. The factors determinant of necessary area for installations in clean room is listed in Table 3-4 below.

Table 3-4 Determinant Factors of Area for Installations in Clean Room

Installation

Key factors determinant of area

Key factors specific to clean room

▫Main room of clean room

▫Configuration of machinery required by production plan

▫No impact on indoor air flow

 ▫Auxiliary room of clean room
·Changing room
·Rest room
·Washroom

·Front room to handling in materials

 

 ·Test area
·Shipment area
·Monitoring room, management room

 

▫Number of users
▫Duty form (Collective or partial rest)
▫Number of operators (Collective or partial rest)

▫Max. machinery and materials size
▫Quantity of machinery and materials
▫Duration of storage
▫Quantity of test machinery and materials
▫Logistics quantity
▫Area of controlling equipment and number of field executives

 

▫Anti-static clothing, separate keeping of common working clothes
▫ Additional area required for strengthening of air regenerating device
▫Additional area for installation of hand dryer after washing hand
(30 sec/person. Time)
▫Additional area for cleaning machinery and materials yard
▫Retention time considered for cleaning

▫Retention time considered for cleaning and washing

  ▫Management space

▫Required for common things, technical management and equipment management

▫Rest room, eating room etc required round-the-clock running

 

  ▫Equipment space

▫Machinery of cold and warm heat sources
▫Air handing unit, blowing fan
▫Air supply & exhaustion equipment
▫Water supply & drainage treatment equipment
▫Warehouse of hazardous materials
▫Area occupied for piping & wiring

▫Space required for examination and maintenance
▫Space reserved for prospective extension