Hazards Of Liquid Chlorine; Qualification Of The Users; Responsibilities Of The Owner; Maintenance And Service Personnel - Grundfos DN 10 Installation And Operating Instructions Manual

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1.2.2 Hazards of liquid chlorine

Causes burns of skin.
Causes reddening and blistering of skin.
Rules of conduct
Change chlorine containers only with gas mask.
Enter contaminated rooms only with protective suit and
compressed-air respirator.
In case of flight wear gas mask, if possible. Observe wind
direction.

1.3 Qualification of the users

Based on his professional training and experience, the user must
have a good knowledge of the operation of chlorine gas dosing
systems. He must be so familiar with the relevant laws and
regulations governing safety in the workplace and accident
prevention, and with the recognised standards of good practice,
that he is able to judge the safe working condition of a chlorine
gas dosing system.
The user is responsible for operation and monitoring of the
product at the installation site.
The responsibilities of the user:
Observe the safety data sheets from the chemicals supplier.
Be trained by qualified Grundfos personnel in the operation of
the product
Observe the relevant regulations governing safety in the
workplace and accident prevention
Wear appropriate protective clothing in accordance with
national regulations for the prevention of accidents when
operating the system and handling chemicals.

1.4 Responsibilities of the owner

The operator of the product is responsible for the following:
Ensure that this manual is kept clearly accessible in the
immediate vicinity of the system for the entire service life.
Meet the installation requirements specified by the
manufacturer (environmental conditions, required water
connections and fittings, electrical connection, protective pipe
for dosing line if necessary, audible or optical warning device if
necessary).
Ensure that water lines and armatures are regularly checked,
serviced and maintained.
Obtain official approval for storing chemicals, if necessary.
Train users in the operation of the system.
Ensure that the regulations for the prevention of accidents are
observed in the installation site.
Provide all users and service personnel with protective
clothing (e.g. face mask, gloves, protective apron) in
accordance with the national regulations.

1.5 Maintenance and service personnel

The product may only be maintained and serviced by personnel
authorised by Grundfos.

1.6 Protective equipment

1.6.1 Personal protective equipment

The operating authority of a chlorine gas dosing system has to
provide respiratory equipment (full-sight gas mask), personally
fitted, labelled by name, with an effective chlorine filter (B2P3)
and at least 1 spare filter per gas mask, for each operator.
The protective equipment must be stored easily accessible
outside the chlorine rooms.
For systems with chlorine drums at least 2 protective suits with
compressed-air respirators must be available.

1.6.2 Obligations of the operating authority

Introducing the operators to handling the protective
equipment.
The operators must use the personal protective equipment
regularly, or carry out exercises with it at least every 6 months.
The gas mask filters must be replaced regularly
– after the expiry of the date of durability
– at least 6 months after opening (note the opening date on
the filter)
– after contact with chlorine.
Observe employing prohibition according to the local laws!

1.6.3 Storage of the protective equipment

Outside the chlorine rooms
Well visible
Easily available at any time
Protected from dust and moisture.

1.7 First aid in case of accidents

1.7.1 First aid after inhaling chlorine

1. Keep calm.
2. Remove injured persons from the dangerous area.
3. Helpers must pay attention to personal protection.
4. Remove contaminated clothes.
5. Calm down injured persons, and keep them warm with
blankets.
– Supply fresh air, use oxygen respirator, if possible.
– No mouth-to-mouth resuscitation!
6. Call medical aid or transport to hospital
– lying
– sitting in case of difficulty in breathing.
– State chlorine as the cause.

1.7.2 First aid after chemical burn of skin

1. Keep calm.
2. Remove contaminated clothes.
3. Rinse skin with plenty of water.
4. Bandage the wound aseptically.
5. Seek medical aid.
– State chlorine as the cause.

1.7.3 First aid after chemical burn of eyes

1. Keep calm.
– Rinse eyes with plenty of water while the patient is lying.
– Protect healthy eye, if necessary.
– Spread eyelids widely, let the eye move to all sides.
2. Seek ophthalmologist.
– State chlorine as the cause.

1.7.4 First aid after internal chemical burn

1. Keep calm.
2. Drink water in short sips.
– If possible, take medical charcoal.
3. Seek medical aid.
– State chlorine as the cause.
3

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Dn 15

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