Internal grooving in the fillet of such heads and external grooving in the outer surfaces of heads concave to pressure is very common since there is slight movement in the heads of this character which produces this kind of defect. if bulges or blisters are of such size as would seriously weaken the plate or tube and especially when the leakage is noted coming from those defects, the boiler shall be discontinued from service until the defective part or parts have received proper repairs. The boiler shall be completely filled with water, care being taken to allow all air to escape and, if possible, a preliminary test not exceeding the working pressure of the boiler shall be taken before the Inspector's visit, to test the tightness of the joints. Testing Stay bolts- The Inspector shall test stay bolts by tapping one end of each bolt with a hammer and when practicable a hammer or other heavy tool should be held on the opposite end to make the test more effective. Where the steam discharged from a safety valve is led through a pipe the Inspector shall determine at the time the valve is operating whether or not the drain, opening in the discharge pipe is free and in accordance with the Regulations.If the Inspector deems it necessary, in order to determine the freedom of discharge from a safety valve, the discharge connections should be removed. per hour and over, and fed either water treated to the satisfaction of the Inspectors. The water pipe connection to the water column must drain towards the boiler.The relative position of the water column to the fire surfaces of the boiler shall be observed to examin to determine their operating condition. (Form No II), Format of application for permission to construct, extend or take into use any Building as a Factory (Form No I. Safety Valves- As the safety valves are the most important attachments on the boiler, they shall be inspected with the utmost caution. Except in the case of vertical boilers heating surface of which is less than 18.58 sq. Information regarding registration of factories located in Anand Parbat, Shahzada Bagh, Samai Pur Badli, North of GT Road, Shahdara, Delhi, office order for building plan approval and factory registration procedures with self certification, Statistics regarding Shops and Establishments Act, Distribution Of Total Population As Workers, Percentage Distribution Of Total Worker as Cultivator, Cultivation Agricultural Labour By Residence, Percentage of Workers and non Workers to total population in state by residence and sex 2001, Total population Of Workers and Non-Workers. The location of combustion arches with respect to tube surfaces shall be carefully noted. of Delhi (e-Awas), Discontinuation of physical printing of Government of India Gazettes, Empanelment of Ms ICSIL for hiring of contractual manpower, Extention of date Application for the post of Other Persons Members for Lok Adalats, On Line Services For Directorate Of Employment, On Line Registration for Shop And Establishment. All openings to external attachments, such as water column connections, openings in dry pipes and opening to safety valves, shall be noted to see that they are free from obstructions. Online Registration and Renewal of Cetificates of Boilers and Economisers are mandatory w.e.f. A limited number of such fire cracks is not usually a very serious matter. Particular attention should be paid to the external parts of boilers in the way of seating blocks, especially when the situation is damp. The setting and freedom of the safety valves should be tested preferably by raising thesteam pressure to the blow-in-off point, or if this cannot be done, the valves shall be tested by means of the try levers to certain if they are free. If your installer has already registered your boiler warranty for you, you don’t need to register it again.

No blank flange / plug shall be inserted between a safety valve chest and the boiler generally and where it is permitted by the Inspector the blank flange / plug shall be removed in his presence. Where short tubes or nipples are employed in joining drums or headers, there is a tendency for waste products of the furnace to lodge in the junction points and such deposits are likely to cause corrosion if moisture is present. Fire tubes sometimes blister but rarely collapse, the Inspector should look through the tubes for such defects and if they are found with a sufficient degree of distortion they should be removed. The Inspector shall observe whether any part of the boiler has become deformed during operation by bulging or blistering; the former is a distortion of the entire thickness of the plate or tube where it takes place, while the latter is a lamination or separation of the plate due to forging material being embedded in the ingot before the plate is rolled.

Grant and Renewal of Competency Certificate, General Inspection Performa for Shops , Commercial Establishments, Format of application for registration and Grant Or Renewal of Licence for the year and Notice Of Occupation specified in Section 6 and 7. * Note: These deflection measurements should be entered in the memorandum of Inspection Book before it's submission to the Chief Inspector. Shri Ramakant Goswami, Minister of Labour, Industries and Environment, NCT of Delhi. Issue of Certificate of Competency Class-I And Class-II And Electrical Contractor Licences under The Conditions Framed Under Rule-45 Of The Indian Electricity Rules, 1956. When a boiler is of such a size or its construction is such that the Inspector cannot go inside it, there should be sufficient sight holes or hand holes provided to enable him to see the principal internal parts; if any important part of a boiler is so constructed that the Inspector cannot examine it, he should report the facts to the Chief Inspector for orders.In the case of forced circulation and forced flow boilers which are not accessible to close visual inspection, the Inspector should, besides thorough examination, ensure by the flow of water that proper circulation is maintained through all sections of the water circuits. The safety valves should invariably be removed and the chest opening blank flanged. Suspended Boilers-Freedom of Expansion- Where boilers are suspended the supports and setting shall be carefully examined specially at points where the boiler structure comes near the setting walls or floor. When a boiler is hydraulically tested for the first time, it shall be entirely cleared of lagging or brickwork, at subsequent tests the lagging or brick work, or portions thereof, shall be removed if required by the Inspector. All fastened ends shall be examined to note whether cracks exist where the stays are punched or drilled for rivets or bolts and, if not found in proper tension, the Inspector should recommend their proper tension, the Inspector should recommend their proper adjustment. Renewal in cases in which Competent Person is empowered to issue a certificate under section 8 without further referance - 48 hours.

Arvind Kejriwal, Chief Minister of N.C.T. In cooling a boiler down for inspection or repairs, the water should not be withdrawn until the setting is sufficiency cooled to avoid damage to the boiler and when possible allowed to cool down naturally. All smoke tubes, exterior of water tubes, smoke boxes, and external flues shall be swept clean. The readings of the steam gauges shall be observed and compared when making an inspection with steam on the boiler, where several boilers are in service connected to a common steam main. Before doing so, he should of course, satisfy himself that proper provision has been made for disconnecting the boiler from any other boiler under steam. Should he find that proper provision for disconnection has not been made or that the boiler has not been properly cleaned, or scaled, or that is unreasonably hot, he should decline to proceed with the inspection and should report the facts to the Chief Inspector for orders.

The temperature of the water used as medium of pressure testing shall not be less than 20°C and greater than 50°C. Should any part of the boiler show undue detection or indication of permanent set during the progress of the test, the pressure shall be released immediately such indications are observed. Often accumulation of ash and soot will bind the boiler structure at such points and produce excessive strains on the structure owing to the expansion of the parts under operating conditions. The steam -pipe should preferably drain towards to the water column. Some types of boilers have what is known as the OG or reversed flange construction in some of their parts that may be inaccessible to the eye, but the condition shall be determined by the insertion of a mirror which at a proper angle will reflect back to the eye the condition of such a place, or any other feasible manner.

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