Labour Commissioner
Government of NCT of Delhi

The Inspectorate of Boilers & Smoke Nuisances is responsible for the implementation of the following Acts & Rules:-

The main functions performed by the Inspectorate under the provisions of the said Acts & Rules are given as under:-

The Indian Boilers Act-1923 was enacted with the objective to provide mainly for the safety of life and Property of persons from the danger of explosions of steam boilers and for achieving uniformity in registration and inspection during operation and maintenance of boilers in India.

"Steam Boiler" means any closed vessel exceeding 22.75 litres which is used exclusively for generating steam under pressure and includes any mountings and other fittings attached to such vessel which is wholly or partly under pressure when steam is shut off.

Every boiler owner is required to make an application to the Chief Inspector of Boilers for the inspection of the boiler along with the treasury challan of the requisite fees as per requirements of Indian Boilers Act-1923. The requisite fee for the inspection of the boiler has been prescribed under Delhi Boilers Rules-1927.

Under Indian Boilers Act-1923 Indian Boilers Regulation-1950 has been framed. This Regulation deals with the materials, procedure & inspection techniques to be adopted for the manufacture of boilers & boiler mountings & fittings. The boiler is inspected by the Inspectorate as per the procedure laid under IBR -1950 and if found satisfactory, a Certificate is issued for operation for a maximum period of 12 months.

The boilers which are not found satisfactory during the inspection are repaired as per the procedure laid under Indian Boilers Regulation-1950 & are re-inspected as explained above.
The Boilers which are transferred to NCT of Delhi are also inspected in the similar fashion after their records are obtained from the parent state.

The Boilers are also casually visited by the Inspectorate from time to time to check the validity of their certificates, safe and efficient operation. The show cause notice is issued to the boiler owner whose boiler is found working without a valid certificate and given a specified time to comply with. If the compliance is not made during the stipulated period, then necessary action as deemed fit under the Act is taken against the erring boiler owner.

REGISTRATION OF THE BOILER     

Every boiler owner who purchases a new boiler submits an application to the Chief Inspector of Boilers along with the inspection fees as per regulation 385 of IBR-1950 and the certificates of the manufacture in form of II, III & IV issued by the Chief Inspector of Boilers of the manufacturing state, for the registration of the boiler.

The Boiler is inspected and its M.B along with (Memorandum of Inspection Book) is prepared. All calculations for the pressure parts of the boiler are made as per IBR-1950 and a P.O. (Provisional Order) is issued for a maximum period of six months to operate the boiler at the maximum working pressure as calculated.

The boiler is offered for the STEAM TEST by the boiler owner within the validity of PO and if found satisfactory, a certificate for a period of 12 months is issued.

INSPECTION OF STEAM PIPE LINE     

The Steam-Pipe-Line is used to carry the Steam from the boiler to the user's equipment and it has been defined as: -

"Steam Pipe" means any pipe through which steam passes from a boiler to prime mover or other user or both if:-

(i)    The pressure at which steam passes through such pipe exceeds 3.5 kilograms per square centimeters above atmospheric pressure: or
(ii)    Such pipe exceeds 254 millimetres in internal diameter; and includes in either case, any connected fitting of a steam pipe.
The boiler owner submits the layout of the SPL in duplicate alongwith the requisite fees. The layouts of the SPL are checked for the safe working pressure and flexibility as per IBR-1950. The steam pipe line is later on subjected to Hydraulic Test Pressure and allowed to be used at requisite pressure if found satisfactory.

INSPECTION UNDER CONSTRUCTION

New Boilers, Valves, Mountings and other components are required to be inspected at different stages of the fabrication to comply with the Indian Boiler Regulation-1950 or other renowned standards of the world with the motive of maintaining quality, interchangeability, efficient operation and as well as the safety of workers, and property.

EXAMINATION OF THE BOILER ATTENDANTS

Each boiler is required to be worked by qualified Boiler Attendant. As such the examinations are conducted by the department from time to time to enable the personnel's to qualify to operate the boilers as per the guidelines of "Delhi Boiler Attendant Rules, 1953."

EXAMINATION OF WELDER

As per Indian Boiler Regulation-1950 all welding work in the boilers, Steam Pipe Lines and its related components etc. is required to be carried out by the qualified High Pressure Welders. To enable the personnel's to qualify as High Pressure Welders, examinations are conducted by this section from time to time.