1)  Electricity Supply:
(a) Mains Supply:
(i)  Single Phase supply; 220 – 240V, 50Hz
(ii) Three Phase supply; 380 – 415V, 50Hz
(iii) The power supply outlet (sockets) for single phase supply system in the hospital is three pins and conforms to BS1363.

(b) Fluctuation:
(i)  Mains fluctuation is a common problem, the performance should be affected by this problem a tolerance of ±15% or more in both the nominal voltage should be allowed.
(ii) Mains Cut-off (black out) is a common problem. Where necessary, Uninterrupted Power Supply (UPS) Unit should be included to prevent damage of equipment as a result of sudden disruption in power supply.
(iii)        There are spikes not necessarily from the mains supply but results when certain plants or equipment started.
(iv)        Suppliers should therefore verify to ensure that their power supply units will not be affected by the above conditions.

2)  Water Supply
a)  Quality: the mains supply is hard water. The supplier should check/modify their equipment with filters or descalers where necessary.
b)  Pressure: this is variable and associated with frequent cut off. Where necessary, the supplier should include boosters or pumps to overcome this problem.
c)  Where necessary, suppliers should include water distillers

2-83    Section VI. Requirements

3)  Temperature:  ambient temperature ranges between 21 – 450  C or more in poorly ventilated rooms. The hottest month of the year is March. Environmental temperature can be such that inferior rubber and plastic materials can easily melt or deformed. Bidders must ensure all materials will be able to withstand such temperatures

4)  Humidity: humidity is usually high about 65 – 90%. Electronic units must be protected to prevent the effect of condensation.

5)  Dust: this is a major problem especially during the dry season. Dust get into equipment and clogs up filters. Additional protection must be provided where necessary and where applicable spare filters supplied to last not less than five years continuous use.

6)  Vermin: these are also available and occasionally enter into equipment to chew cables and urinate on boards to cause short circuit. This can be prevented by providing vermin guard where necessary to prevent entry of such destructive animals.
7)  The proposed equipment must conform to the current relevant international standard such as ISO; CE; IEC, ANSI and/or BS

8)  Language:
a)  All labels and markings on the equipment must be in English language. b)  All software programmes in the proposed equipment must be in English
language
c)  All manuals must be in English language.

9)  Each of the equipment supplied must be provided with user and technical manuals. Instructions on their usage, storage and service must be clearly indicated in the manuals and where necessary, on the equipment.

10)Where applicable the following shall apply:
a)  Electrical Safety
i)    The unit should be provided with a line (power) cord of acceptable durability, quality, length, and ampacity and should be secured with adequate strain reliefs.
ii)  The unit should include, or the bidder or supplier should offer, power plugs that are sufficient for the maximum voltage and current of the unit.
iii) The chassis should be grounded and grounding resistance should not exceed 0.15 ohm.
iv) If the unit is double insulated, it should be so labeled.
v)  Electrical leakage current from the chassis of the unit should not exceed
500µA per IEC 601-1 b)  Effects of Fluids

Section VI. Requirements    2-84

i)    Patient and operator safety and system performance should not be adversely affected by fluid spills.
ii)  If the unit is affected, it should fail safely.

c)  Overcurrent Protection
i)    Loss of power to other equipment on the same branch circuit due to internal equipment faults should be prevented by using fuses or circuit breakers that are clearly labeled and easy to replace or reset.
ii)  If fuses are used, a spare fuse should be provided in a labeled holder located next to the main fuse holder. Permanent markings near each fuse holder should indicate fuse ratings.

d)  Line Voltage Variation
i)    The unit should operate satisfactorily at line voltages from -12.5% to +8%
of the nominal line voltage of 220Volts.
ii)  The unit should not be damaged by voltages from -21% to +12.5% of the nominal line voltage of 220Volts.

e)  Electromagnetic Interference (EMI)
i)    The unit’s performance should not be affected by EMI radiated or conducted through the power lines from another device.
ii)  If the unit is affected, it should fail safely.

f)    Alarms
i)    The unit should have visual or audible alarms to warn operators of any system fault that may cause unsafe or erroneous results.
ii)  Audible and/or visual indicators should activate when the display reading reaches and remains at the alarm limit.
iii) All alarms should be fully explained in the operator’s manual.

g)  Audible Alarms
i)    Audible alarms should be distinct and easily identified.
ii)  Audible alarms should be enabled when the unit is turned on (i.e., the default volume should not be set to OFF) and should be clearly audible at any volume setting.
iii) If the alarm volume is adjustable, it should not be possible to turn the volume down so low that it is not likely to be heard.
iv) Although an audible-alarm silence is acceptable, the alarm must recur automatically if the condition is not corrected.
v)  If an alarm is silenced, a visual display should clearly indicate which alarm is disabled.

h)  Visual Alarms
i)    Visual alarms should be easy to identify.

2-85    Section VI. Requirements

ii)  The visual alarm must be specific to the problem and remain on until the alarm condition is corrected; it should not be possible to turn off the visual alarm.

i)    Construction Quality
i)    The unit should have no sharp edges.
ii)  All external components should be securely mounted.
iii) The unit should be secure and provide adequate protection against moving and electrically energized parts.
iv) The unit should be well constructed with durable materials to withstand typical abuse and cleaning.
v)  Switches, knobs, and other controls should be designed for conditions of heavy use.
vi) Wiring and tubing should be neatly arranged and bundled, if appropriate. vii) Mechanical, electric, and pneumatic terminators, connectors, sockets, and
solder joints should be designed to prevent fluid penetration, incorrect connections, and mismating of fitting and couplings.
viii)Connections should be secure to resist accidental disconnection and should maintain sterility, when appropriate.

j)    Controls
i)    The controls (i.e., switches, knobs, etc.) should be visible and clearly identified, and their functions should be self-evident.
ii)  Device design should prevent misinterpretation of displays and control settings.
iii) Switches and controls should be protected against accidental setting changes (e.g., due to someone brushing against the panel).
iv) Controls should be sealed against penetration of liquids.

k)  Labeling
i)    Labels and markings should be clear and legible.
ii)  Labels and markings should be durable enough to withstand routine cleaning and normal wear.
iii) Appropriate warning legends should be provided on the unit.

l)    Ease of Use and maintenance
i)    The unit should be simple to learn to use, operate, and maintain.
ii)  The unit should have abbreviated operating instructions included on or with the unit (e.g., on a laminated card attached to the unit).
iii) The unit should be easy to clean, disinfect, and/or sterilize, as appropriate. iv) The unit should be designed for easy access to serviceable parts.

m) Special maintenance tools, spare-parts and consummables
i)    Where necessary or required, the supplier must include any special tools required for the maintenance of the proposed equipment
ii)  Each equipment must be supplied with the recommended spare-parts

Section VI. Requirements    2-86

required for preventive maintenance for five years and where necessary include stock of recommended spare-parts for corrective maintenance.
n)  Training
i)    The supplier is required to provide adequate training on each equipment on the proper use and operation of the equipment.
ii)  Similarly, suppliers are required to provide adequate manufacturer’s training on the installation and maintenance(both preventive and corrective)
o)  Packaging and Storage Conditions of Equipment
i)    The equipment and components should withstand temperature and humidity extremes likely to be encountered during storage and transport.
ii)  The manufacturer should recommend procedures for storage of the equipment.

Мы являемся производителем и продавцом печи для сжигания медицинских оборудование. Наша философия заключается в постоянно улучшать наши технологии в соответствии с растущими потребностями окружающей среды и наших клиентов. Все наши установки для сжигания построен по самым высоким стандартам на прочность, удобство и безопасность. Дизайн для сжигания делает их идеальными для экспорта из-за их простой монтаж и эксплуатация требование. сжигания предназначены для производства максимально возможную скорость сгорания от наименьшее количество топлива.

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