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487 Subpart B—Boilers and Appurtenances

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487 Subpart B—Boilers and Appurtenances Federal Railroad Administration, DOT § 230.25 days from the date the work was com- or seriously injured, the place at which pleted. This form shall be attached to, it occurred, and the location where the and maintained with, the FRA Form steam locomotive may be inspected. No. 4 until such time as a new FRA Confirmation of this report shall be im- Form No. 4 reflecting the alteration is mediately mailed to the Associate Ad- submitted to the Regional Adminis- ministrator for Safety, Federal Rail- trator. Alteration reports shall be filed road Administration, Washington, DC and maintained for the life of the boil- 20590, and contain a detailed report of er. (See appendix B of this part.) the accident, including, to the extent (b) Welded and riveted repairs to known, the causes and a complete list unstayed portions of the boiler. Whenever of the casualties. welded or riveted repairs are performed on unstayed portions of a steam loco- Subpart B—Boilers and motive boiler, the steam locomotive Appurtenances owner and/or operator shall file with the FRA Regional Administrator, with- § 230.23 Responsibility for general con- in 30 days from the time the work was struction and safe working pres- completed, a repair report, FRA Form sure. No. 19, that details the work done to The steam locomotive owner and op- the steam locomotive. Repair reports erator are responsible for the general shall be filed and maintained for the design and construction of the steam life of the boiler. (See appendix B of locomotive boilers under their control. this part.) The steam locomotive owner shall es- (c) Welded and riveted repairs to stayed tablish the safe working pressure for portions of the boiler. Whenever welded each steam locomotive boiler, after or riveted repairs are performed on giving full consideration to the general stayed portions of a steam locomotive design, workmanship, age, and overall boiler, the steam locomotive owner condition of the complete boiler unit. and/or operator shall complete a repair The condition of the boiler unit shall report (FRA Form No. 19), detailing be determined by, among other factors, the work done. Repair reports shall be the minimum thickness of the shell maintained for the life of the boiler. plates, the lowest tensile strength of (See appendix C of this part.) the plates, the efficiency of the longi- tudinal joint, the inside diameter of § 230.21 Steam locomotive number the course, and the maximum allow- change. able stress value allowed. The steam When a steam locomotive number is locomotive operator shall not place the changed, the steam locomotive owner steam locomotive in service before en- and/or operator must reflect the suring that the steam locomotive’s safe change in the upper right-hand corner working pressure has been established. of all documentation related to the steam locomotive by showing the old ALLOWABLE STRESS and new numbers: Old No. 000 § 230.24 Maximum allowable stress. New No. XXX. (a) Maximum allowable stress value. The maximum allowable stress value § 230.22 Accident reports. on any component of a steam loco- In the case of an accident due to fail- motive boiler shall not exceed 1⁄4 of the ure, from any cause, of a steam loco- ultimate tensile strength of its mate- motive boiler or any part or appur- rial. tenance thereof, resulting in serious in- (b) Safety factor. When it is necessary jury or death to one or more persons, to use the code of original construction the railroad on whose line the accident in boiler calculations, the safety factor occurred shall immediately make a value shall not be less than 4. telephone report of the accident by calling the National Response Center § 230.25 Maximum allowable stress on (toll free) at Area Code 800–424–0201. stays and braces. The report shall state the nature of the The maximum allowable stress per accident, the number of persons killed square inch of net cross sectional area 487 VerDate Aug<31>2005 15:34 Nov 13, 2008 Jkt 214212 PO 00000 Frm 00497 Fmt 8010 Sfmt 8010 Y:\SGML\214212.XXX 214212 erowe on PROD1PC64 with CFR § 230.26 49 CFR Ch. II (10–1–08 Edition) on fire box and combustion chamber service. The steam locomotive owner stays shall be 7,500 psi. The maximum and/or operator shall not return the allowable stress per square inch of net steam locomotive boiler or appur- cross sectional area on round, rectan- tenances to service unless they are in gular, or gusset braces shall be 9,000 good condition and safe and suitable psi. for service. (2) Any welding to unstayed portions STRENGTH OF MATERIALS of the boiler made pursuant to § 230.33 shall be made in accordance with an § 230.26 Tensile strength of shell accepted national standard for boiler plates. repairs. The steam locomotive owner When the tensile strength of steel or and/or operator shall not return the wrought-iron shell plates is not known, steam locomotive boiler or appur- it shall be taken at 50,000 psi for steel tenances to service unless they are in and 45,000 psi for wrought iron. good condition and safe and suitable for service. § 230.27 Maximum shearing strength of rivets. § 230.30 Lap-joint seam boilers. The maximum shearing strength of Every boiler having lap-joint longitu- rivets per square inch of cross sectional dinal seams without reinforcing plates area shall be taken as follows: shall have sufficient lagging, jack- Pounds eting, flues, and tubes removed at per every annual inspection so that an in- Rivets square inch spection of the entire joint, inside and out, can be made, taking special care Iron Rivets in Single Shear ..................................... 38,000 Iron Rivets in Double Shear .................................... 76,000 to detect grooving or cracks at the Steel Rivets in Single Shear ................................... 44,000 edges of the seams. Steel Rivets in Double Shear .................................. 88,000 § 230.31 Flues to be removed. § 230.28 Higher shearing strength of (a) Inspection of the boiler interior. rivets. During the 1472 service day inspection, A higher shearing strength may be the steam locomotive owner and/or op- used for rivets when it can be shown erator shall remove all flues of steam through testing that the rivet material locomotive boilers in service, except as used is of such quality as to justify a provided in paragraph (b) of this sec- higher allowable shearing strength. tion, for the purpose of inspecting the entire interior of the boiler and its INSPECTION AND REPAIR bracing. After removing the flues, the steam locomotive owner and/or oper- § 230.29 Inspection and repair. ator shall enter the boiler to remove (a) Responsibility. The steam loco- scale from the interior and thoroughly motive owner and/or operator shall in- clean and inspect it. spect and repair all steam locomotive (b) NDE testing. If the boiler can be boilers and appurtenances under their thoroughly cleaned and inspected with- control. They shall immediately re- out removing the superheater flues, move from service any boiler that has and it can be shown through appro- developed cracks in the barrel. The priate NDE testing methods that they steam locomotive owner and/or oper- are safe and suitable for service, their ator shall also remove the boiler from removal may not be required at this service whenever either of them, or the time. Their removal may be required, FRA inspector, considers it necessary however, if the FRA inspector, or the due to other defects. steam locomotive owner and/or oper- (b) Repair standards. (1) All defects ator, considers it necessary due to disclosed by inspection shall be re- identifiable safety concerns. paired in accordance with accepted in- dustry standards—which may include § 230.32 Time and method of inspec- established railroad practices, or NBIC tion. or API established standards—before (a) Time of inspection. The entire boil- the steam locomotive is returned to er shall completely be inspected at the 488 VerDate Aug<31>2005 15:34 Nov 13, 2008 Jkt 214212 PO 00000 Frm 00498 Fmt 8010 Sfmt 8010 Y:\SGML\214212.XXX 214212 erowe on PROD1PC64 with CFR Federal Railroad Administration, DOT § 230.34 1472 service day inspection. The jacket, gional Administrator. If the approval is lagging and any other components granted, the steam locomotive owner interfering with the provision of in- and/or operator shall perform any weld- spection access shall be removed at ing to unstayed portions of the boiler this time. Those portions of the boiler in accordance with an accepted na- that are exposed and able to be in- tional standard for boiler repairs. The spected as required by the daily, steam locomotive owner and/or oper- 31service day, annual and fifth annual ator shall satisfy reporting require- inspections shall be inspected at those ments in § 230.20 at this time. times. The interior of the boiler also (b) Unstayed portions of the boiler con- shall be inspected at each annual in- taining carbon steel not exceeding 0.25 spection, after the completion of any percent carbon. The steam locomotive hydrostatic test above MAWP, and owner and/or operator shall perform whenever a sufficient number of flues any welding to unstayed portions of are removed to allow examination. The the boiler in accordance with an ac- jacket, lagging and any other compo- cepted national standard for boiler re- nents shall also be removed to provide pairs. The steam locomotive owner inspection access whenever the FRA and/or operator shall satisfy reporting inspector, or the steam locomotive requirements in § 230.20 at this time. owner and/or operator, considers it nec- (c) Wastage.
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