Schedule XXIX

PROCESS OF MELTING IN INDUCTION FURNACE

1. Application: Provisions of this schedule shall apply to all parts of factories operations

where melting of metal is done in induction furnace and other allied processes are carried on.

2. Definitions:

(1) "Induction Furnace" means furnace in which a strong magnetic field created by passing

an electric current through a coil wrapped around thefurnace. The magnetic field in turn creates

a voltage across, and subsequently an electric current through, the metal to be melted.

(2) "Coil" means coil of Induction Furnace

(3) "Ladle" means equipment used to carry melted metal

(4) "Mould" means moulds made of steel, sand, loam, moulding composition or other

mixture of materials.

(5) ·'Personal Protective Equipment" Personal Protective Equipment (PPEs)refers to protective

clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's

body from injury or infection.

(6) "Refractory" means lining of refractory bricks made in pit

3. Arrangement and storage - For the purposes of promoting safety and cleanliness in

workrooms the following requirements shall be observed: -

(a) moulding boxes, loam plates, ladles, patterns, pattern plates, frames, boards, box

weights, and other heavy articles shall be so arranged and placed as to enable work to be carried

on without unnecessary risk:

(b) Suitable and conveniently accessible racks, bins, or other receptacles shall be provided

and used for the storage of other gear and tools;

(c) Where there is bulk storage of sand, fuel, metal scrap or other materials or residues,

suitable bins, bunkers or other receptacles shall be provided for the purpose of such storage.

4. Construction, maintenance of platform and floors -

(1) The platform of furnace should be of good construction, sound material and adequate

strength to withstand explosion

(2) The platform must be of adequate size to accommodate persons working there and raw

material to be charged

(3) The platform must be provided with at least two stairs

(4) Floors of indoor workplaces in which the processes are carried on, other than parts

which are of sand, shall have been surface of hard material.

(5) No part of the floor of any such indoor workplace shall be of sand except where this is

necessary by reason of the work done.

(6) All parts of the surface of the floor of any such indoor workplace which are of sand shall,

so far as practicable, be maintained in an even andfirm condition.

5. Authorised person : - (1) No person except those authorised to work on platform or near

furnace shall be allowed on the platform or near furnace.

(2) Person covered under exception of sub-rule (1) must be trained and provided with

prescribed personnel protective equipments.

(3) No person shall carry out any work within a distance of 4 metres from a vertical line

passing through the delivery end of any spout of a furnace, being a spout used for delivering

molten metal, or within a distance of 2.4 metres from a vertical line passing through the nearest

part of any ladle which is in position at the end of such a spout, except, in either case, where it

is necessary for the proper use of maintenance of furnace that work should be carried out within

that distance of that work is being carried out at such a time and under such conditions that

there is no danger to the person carrying it out from molten metal which is being obtained from

the cupola or furnace or is in a ladle in position at the end of the spout.

6. Maintenance and examination of exhaust plant -

(1) All ventilation plant used for the purpose of extracting, suppressing or controlling dust

or fumes shall be properly maintained.

(2) All ventilating plant used for the purpose of extracting, suppressing or

controlling dust or fumes shall be examined and inspected once every week by a responsible

person. It shall be thoroughly examined and tested by a competent person at least once in every

such examination and test shall be entered in a register in Form-42 electronically or otherwise

which shall be available for inspection by an Inspector-cum-Facilitator. Any defect found on

any such examination and carrying out the examination and test to the occupier of the factory.

7. Ladle

(1) Before the ladle is placed for pouring the hot liquid metal, it shall be thoroughly

inspected

(2) Place the ladle below the spout.

(3) Before pouring is started, it shall be ensured that:

(a) Only minimum required nos. of persons shall be present.

(b) They all shall use PPEs like face shield, flame retardant suit, anklets, goggles,

hand gloves. helmets and safety shoes.

(4) Ladle shall be removed only after clearance from the Furnace ln-charge.

(5) Ladle shall not be transported in tilted condition.

8. Operation and Maintenance of furnace:

(1) The occupier shall operate the furnace as per instructions supplied by manufacturer.

(2) The occupier shall keep the maintenance of furnace as per maintenance schedule

supplied by manufacturer.

(3) The coil should be checked at regular intervals

(4) The refractories shall be changed at regular interval

9. Work Permit

The occupier shall issue work permit to the person supposed to work in confined space, at

height or on electric equipment’s.

10. Washing facilities -

The occupier shall provide and maintain, in a clean state and in good repair for the use of all

persons employed a wash place under cover with sufficient supply of water and soap, towel

etc.

11. Protective equipment -

The occupier shall provide and maintain suitable PPEs for all persons employed in process as

specified in sub-rule (2).

12. Prohibition of employment of pregnant Woman and Adolescent - No pregnant woman

or adolescent shall be employed in any of the process covered by this schedule

13. Medical examination by medical officer - (1) every worker employed in the processes

specified in paragraph 1 shall be examined by a Medical officer within 15 days of his first

employment. Such examinations shall include skin test, Audiometric test, Pulmonary test and

no worker shall be allowed to work after 15 days of his first employment in the factory unless

certified fit for such employment by the Medical officer.

(2) Every worker employed in a manganese process shall be re-examined by a Medical officer

at least once in every 12 months and such examination shall, wherever the Medical officer

considers appropriate, include all the tests in subparagraph (1).

(3) The Medical officer after examining a worker, shall issue a Certificate of Fitness in

Form-40. The record of examination and re-examinations carried out shall be entered in the

Certificate and the Certificate shall be kept in the custody of the occupier of the factory. The

record of each examination carried out under sub-paragraph (1) and (2) including the nature

and the results of these test, shall also be entered by the Medical officer in a health register in

Form-41 electronically or otherwise.

(4) The Certificate of Fitness and the health register shall be kept readily available for

inspection by the Inspector-cum-Facilitator.

(5) If at any time the Medical officer is of the opinion that a worker is no longer fit for

employment in the said processes on the ground that continuance therein would involve special

danger to the health of the worker, he shall make a record of his findings in the said certificate

and the health register. The entry of his findings in those documents should also include the

period for which he considers that the said person is unfit to work in the said process shall be

provided with alternate placement facilities unless he is fully incapacitated in the opinion of

the Medical officer. in which case the person affected shall be suitably rehabilitated.

(6) No person who has been found unfit to work as said in sub-paragraph (5) shall be re-

employed or permitted to work in the said processes unless the Medical officer, after further

examination, again certifies him fit for employment in those processes.

14. Exemptions - lf in respect of any factory, the Chief Inspector-cum-Facilitator is satisfied

that owing to the exceptional circumstances or infrequency of the processes or for any other

reason, all or any of the provisions of this schedule is not necessary for the protection of the

workers in the factory, the Chief Inspector-cum-Facilitator may be a certificate in writing which

he may in his discretion revoke at any time, exempt such factory from all or any of such

provisions subject to such conditions, if any, as he may specify therein.