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PATIENTS
LAY
BACTERIOLOGY BIOCHEMISTS
CUBICLE,4,LABORATORY
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CLEAN AMMALS
CLEAN
ANIMAL
BALITANG
SPACE
OPERATING
ROOM
ANIMAL HOUSE
WASH
PATHOLOGY
LABORATORIES
LECTURE ROOM
UTILITY & BEDS
SINGLE BEDE
KIT BATH
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CORRIDOR
WEST LOBEY
HISTOLOGY LABORATORY
SEROLOGY & HAEMATOLOGY LABORATORY
GENERAL OFFICE
SYRINGES ASSEMBLY
LINEN FOLDING
DUCT
CLEANING
STORE
WASH AREA
DENTAL LAB
DENTAL SUITES
OFFICE
STORE
ADMINISTRATION
PUBLIC WAITING
COVERED WALK
WAY
D
CLEROS
GENERAL OFFICE
GENERAL OFFIC
CORRIDOR
CORRIDOR
• BEDS
TREATMENT LINEN
CHILDRENS ADMISSION WARD
PHYSIO
20 GEOS
CRAFT & CARPENTRY
STORE
WORKSHOP
OFFICE
STORE
OFFICE
STORE
OCCUPATIONAL RATTAN WEAVING
SEWING ROOM
THERAPY
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AREA
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RADIOLOGIST
RADIOLOGICAL
SPECIALIST
WCA
CORRIDOR
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RADIO
SHROFFS
CONSULTING
STORE
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MLAY
PANTRY
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STUDENTS ROOM
STAFF ROOM
SENIOR OCCUPATIONAL THERAPIST
EXAM & CONSULTING
SUPE PHYSIOTHERAPİST
LAVATORY
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STERILE
PLANT
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CENTRAL STERILE 1
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RADIOGRAPHER
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REPORTING
ROOM
10 BEDS
RADIODIAGNOSIS
GEHERAL
OFFICE
DENTAL SKELETAL
I-RAT
WAITING
A SKULL
LAVATORY SLUICE
CLEAN LINEN
SISTER
1-RAY
HYDROTHERAPY
POOL
NORTH
DARK ROOM
POOL
CHILDRENS ROOM
PHYSIOTHERAPY
20
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STERILIZING SCRUB UP
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MUSEUM
AIR-CONDITIONING &
VENTILATION
All operating theatres, special medical departments, skin wards and offices generally are fully air condi tioned with winter heating and sum- mer cooling. The latter requirement is, of course, the major considera. tion, as it is needed through the greater part of the year in Hong Kong.
Practically every other area of the Hospital is provided with some form of ducted fresh or heated air supply or extract ventilation.
Altogether the main hospital build- ing is sub-divided into one hundred separate zones, most of which, apart from the wards and operating thea- tres, differ from each other in design.
Central Plant Design
Two large water chilling plants, each with a 685 H.P. steam turbine driven centrifugal compressor, cap able of producing a total of 1,500
96
FIRST FLOOR PLAN
STAFF ROOM
LECTURE
ROOK
LIBRARY LAY LECTURE
tons of refrigeration, were installed and from these the chilled water is pumped to the air cooling coils in individual zone cabinets. Steam air heating coils are also installed in the cabinets for reheating during cooling cycle and heating in winter. Steam is also used for the humidification of the space.
For the circulation of the chilled water, two electrically driven pumps are installed for normal operation and a third pump, which is driven by steam, acts as a standby.
To carry away the rejected heat from the system, about four million gallons of sea water a day is circulat- ed through the condensers of the re- frigerating plants by two pumps, of 225 and 115 B.H.P. respectively. These pumps are installed in a har- bourside pumphouse situated about a mile and a half away from the Hos- pital, the water being conveyed through 15 inch asbestos cement mains. A diesel driven pump is also installed in the pumphouse for emer-
gency use in the event of an electrical mains failure.
Wards
With the exception of the Skin Ward which is fully aircondition- ed to include summer cooling - all the large wards are supplied with steam heated air through ducts run- ning at high level along the corridors for winter heating which is designed to maintain a temperature of 70°F. in the space with 70 per cent recir- culated air and one fresh air change per hour. This system can, of course, also supply unheated air to the wards during the summer, although the additional ceiling fans can adequate- ly provide the air movement requir ed during this period. As a large proportion of each window unit can be opened on each side of the open wards, the natural crossventilation in this tall exposed building should also be quite good.
Adjustable vertical glass louvres are fitted over practically all doors
THE HONG KONG & FAR EAST BUILDER — VOLUME 18, NUMBER 5
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