ASME BPVC I 2007

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ASME BPVC – I -2007 BPVC Section I, Rules for Construction of Power Boilers

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ASME	2007

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PDF Pages	PDF Title
4	LIST OF SECTIONS
6	CONTENTS
8	PART PG FIGURES
9	PART PG TABLES
10	PART PW FIGURES PART PW TABLES
11	PART PB TABLES PART PWT FIGURES
13	PART PFT FIGURES
14	MANDATORY APPENDICES
16	FOREWORD
18	STATEMENTS OF POLICY
20	PERSONNEL
32	PREAMBLE
34	SUMMARY OF CHANGES
37	LIST OF CHANGES IN BC ORDER
40	PART PG GENERAL REQUIREMENTS FOR ALL METHODS OF CONSTRUCTION GENERAL PG- 1 SCOPE PG- 2 SERVICE LIMITATIONS PG- 2.1 PG- 3 REFERENCED STANDARDS PG- 4 UNITS
41	MATERIALS PG- 5 GENERAL PG- 6 PLATE
42	PG- 7 FORGINGS PG- 8 CASTINGS PG- 9 PIPES, TUBES, AND PRESSURE-CONTAINING PARTS
45	PG- 10 MATERIAL IDENTIFIED WITH OR PRODUCED TO A SPECIFICATION NOT PERMITTED BY THIS SECTION, AND MATERIAL NOT FULLY IDENTIFIED PG- 10.1 Identified With Complete Certification From the Material Manufacturer.
46	PG- 11 MISCELLANEOUS PRESSURE PARTS
47	PG- 12 WATER LEVEL INDICATORS AND CONNECTOR MATERIAL
48	PG- 13 STAYS PG- 14 RIVETS DESIGN PG- 16 GENERAL
49	PG- 17 FABRICATION BY A COMBINATION OF METHODS PG- 18 DESIGN VALIDATION BY PROOF TEST PG- 19 COLD FORMING OF AUSTENITIC MATERIALS PG- 21 MAXIMUM ALLOWABLE WORKING PRESSURE
50	PG- 22 LOADINGS PG-19 POST COLD-FORMING STRAIN LIMITS AND HEAT-TREATMENT REQUIREMENTS
51	PG- 23 STRESS VALUES FOR CALCULATION FORMULAS PG- 25 QUALITY FACTORS FOR STEEL CASTINGS
52	PG- 27 CYLINDRICAL COMPONENTS UNDER INTERNAL PRESSURE
55	PG- 28 WELDED ACCESS OR INSPECTION OPENINGS UNDER EXTERNAL PRESSURE PG- 29 DISHED HEADS PG-28 MAXIMUM INTERNAL PROJECTION OF WELDED ACCESS OR INSPECTION OPENINGS
57	PG- 30 STAYED DISHED HEADS PG- 31 UNSTAYED FLAT HEADS AND COVERS
58	PG-31 SOME ACCEPTABLE TYPES OF UNSTAYED FLAT HEADS AND COVERS
60	OPENINGS AND COMPENSATION PG- 32 OPENINGS IN SHELLS, HEADERS, AND HEADS
62	PG-32 CHART SHOWING LIMITS OF SIZES OF OPENINGS WITH INHERENT COMPENSATION IN CYLINDRICAL SHELLS
63	PG- 33 COMPENSATION REQUIRED FOR OPENINGS IN SHELLS AND FORMED HEADS
64	PG-33.1 NOMENCLATURE AND FORMULAS FOR REINFORCED OPENINGS
65	PG-33.2 SOME REPRESENTATIVE CONFIGURATIONS DESCRIBING THE DIMENSIONS te, h, and d
66	PG- 34 FLANGED- IN OPENINGS IN FORMED HEADS PG- 35 COMPENSATION REQUIRED FOR OPENINGS IN FLAT UNSTAYED HEADS AND FLAT STAYED PLATES PG- 36 LIMITS OF METAL AVAILABLE FOR COMPENSATION PG-33.3 CHART FOR DETERMINING VALUE OF F
67	PG- 37 STRENGTH OF COMPENSATION PG- 38 COMPENSATION FOR MULTIPLE OPENINGS
68	PG- 39 METHODS OF ATTACHMENT OF PIPE AND NOZZLE NECKS TO VESSEL WALLS PG-38 ILLUSTRATIONS OF THE RULE GIVEN IN PG-38.4
69	PG- 42 GENERAL REQUIREMENTS FOR FITTINGS, FLANGES, AND VALVES PG-39 MINIMUM NUMBER OF THREADS PER CONNECTION
71	PG-42.1 WELDING END TRANSITIONS MAXIMUM ENVELOPE
72	PG- 43 NOZZLE NECK THICKNESS PG- 44 INSPECTION OPENINGS PG- 46 STAYED SURFACES
73	PG- 47 STAYBOLTS PG- 48 LOCATION OF STAYBOLTS PG-46.2 ACCEPTABLE PROPORTIONS FOR ENDS OF THROUGH-STAYS
74	PG- 49 DIMENSIONS OF STAYBOLTS PG- 52 LIGAMENTS
75	PG-52.1 DIAGRAM FOR DETERMINING THE EFFICIENCY OF LONGITUDINAL AND DIAGONAL LIGAMENTS BETWEEN OPENINGS IN CYLINDRICAL SHELLS
76	PG- 53 LIGAMENTS PG-52.2 EXAMPLE OF TUBE SPACING WITH PITCH OF HOLES EQUAL IN EVERY ROW PG-52.3 EXAMPLE OF TUBE SPACING WITH PITCH OF HOLES UNEQUAL IN EVERY SECOND ROW PG-52.4 EXAMPLE OF TUBE SPACING WITH PITCH OF HOLES VARYING IN EVERY SECOND AND THIRD ROW PG-52.5 EXAMPLE OF TUBE SPACING WITH TUBE HOLES ON DIAGONAL LINES
77	PG- 55 SUPPORTS AND ATTACHMENT LUGS BOILER EXTERNAL PIPING AND BOILER PROPER CONNECTIONS PG- 58 OUTLETS AND EXTERNAL PIPING
78	PG-52.6 DIAGRAM FOR DETERMINING EQUIVALENT LONGITUDINAL EFFICIENCY OF DIAGONAL LIGAMENTS BETWEEN OPENINGS IN CYLINDRICAL SHELLS
79	PG-58.3.1 CODE JURISDICTIONAL LIMITS FOR PIPING — DRUM-TYPE BOILERS
80	PG-58.3.2 CODE JURISDICTIONAL LIMITS FOR PIPING — FORCED-FLOW STEAM GENERATOR WITH NO FIXED STEAM OR WATERLINE
81	PG- 59 APPLICATION REQUIREMENTS FOR THE BOILER PROPER
82	PG-59.1 TYPICAL BOILER BUSHINGS
83	DESIGN AND APPLICATION PG- 60 REQUIREMENTS FOR MISCELLANEOUS PIPE, VALVES, AND FITTINGS
85	PG-60 TYPICAL ARRANGEMENT OF STEAM AND WATER CONNECTIONS FOR A WATER COLUMN
86	PG- 61 FEEDWATER SUPPLY SAFETY VALVES AND SAFETY RELIEF VALVES PG- 67 BOILER SAFETY VALVE REQUIREMENTS
88	PG-67.4 REQUIREMENTS FOR PRESSURE RELIEF FORCED-FLOW STEAM GENERATOR
90	PG- 68 SUPERHEATER AND REHEATER SAFETY VALVE REQUIREMENTS PG- 69 CERTIFICATION OF CAPACITY OF SAFETY AND SAFETY RELIEF VALVES
91	PG-68.7 SUPERHEAT CORRECTION FACTOR, Ksh
92	PG-68.7M SUPERHEAT CORRECTION FACTOR, Ksh
95	PG- 70 CAPACITY OF SAFETY VALVES PG- 71 MOUNTING
96	PG- 72 OPERATION PG- 73 MINIMUM REQUIREMENTS FOR SAFETY AND SAFETY RELIEF VALVES
100	FABRICATION PG- 75 GENERAL PG- 76 CUTTING PLATES AND OTHER STOCK PG- 77 PLATE IDENTIFICATION PG- 78 REPAIRS OF DEFECTS IN MATERIALS PG- 79 TUBE HOLES AND ENDS
101	PG- 80 PERMISSIBLE OUT- OF- ROUNDNESS OF CYLINDRICAL SHELLS PG- 81 TOLERANCE FOR FORMED HEADS PG- 82 HOLES FOR STAYS INSPECTION AND TESTS PG- 90 GENERAL
102	PG-80 MAXIMUM PERMISSIBLE DEVIATION FROM A CIRCULAR FORM eFOR CYLINDRICAL PARTS UNDER EXTERNAL PRESSURE
103	PG- 91 QUALIFICATION OF INSPECTORS PG- 93 INSPECTION AND REPAIR OF FLAT PLATE IN CORNER JOINTS PG- 99 HYDROSTATIC TEST
104	CERTIFICATION BY STAMPING AND DATA REPORTS PG- 101 HEATING SURFACE COMPUTATION PG- 104 GENERAL PG- 105 CODE SYMBOL STAMPS
105	PG-105.1 OFFICIAL SYMBOLS FOR STAMPS TO DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR BOILERS PG-105.2 OFFICIAL SYMBOLS FOR STAMPS TO DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR ASSEMBLY PG-105.3 OFFICIAL SYMBOLS FOR STAMPS TO DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR WELDED PIPING PG-105.4 OFFICIAL SYMBOLS FOR STAMPS TO DENOTE THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS’ STANDARD FOR SAFETY VALVES
106	PG- 106 STAMPING OF BOILERS
107	PG-106 FORM OF STAMPING
109	PG- 107 FIELD ASSEMBLY PG- 108 STAMPING FOR FIELD- ASSEMBLED BOILERS
110	PG- 109 STAMPING OF PRESSURE PIPING PG- 110 STAMPING OF SAFETY VALVES PG- 111 LOCATION OF STAMPINGS
111	PG- 112 MANUFACTURER’S DATA REPORT FORMS
113	PG- 113 MASTER DATA REPORT FORM
114	PART PW REQUIREMENTS FOR BOILERS FABRICATED BY WELDING GENERAL PW- 1 GENERAL MATERIALS PW- 5 GENERAL
115	DESIGN PW- 8 GENERAL PW- 9 DESIGN OF WELDED JOINTS PW-9.1 BUTT WELDING OF PLATES OF UNEQUAL THICKNESS
116	PW- 10 HEAT TREATMENT PW- 11 RADIOGRAPHIC AND ULTRASONIC EXAMINATION OF WELDED BUTT JOINTS PW- 13 HEAD- TO- FLANGE REQUIREMENTS PW- 14 OPENINGS IN OR ADJACENT TO WELDS PW- 15 WELDED CONNECTIONS PW-9.2 PROHIBITED WELDED JOINT
117	PW-11 REQUIRED RADIOGRAPHIC AND ULTRASONIC EXAMINATION OF WELDED BUTT JOINTS
118	PW-15 EXAMPLES OF WELD STRENGTH CALCULATIONS
119	PW- 16 MINIMUM REQUIREMENTS FOR ATTACHMENT WELDS
120	PW-16.1 SOME ACCEPTABLE TYPES OF WELDED NOZZLES AND OTHER CONNECTIONS TO SHELLS, DRUMS, AND HEADERS
124	PW- 19 WELDED- IN STAYS PW-16.2 SOME ACCEPTABLE FORMS OF WELDS FOR LUGS, HANGERS, AND BRACKETS ON SHELLS, DRUMS, AND HEADERS
125	PW-19.4(a) SOME ACCEPTABLE TYPES OF DIAGONAL BRACES FOR INSTALLATION BY WELDING PW-19.4(b) UNACCEPTABLE TYPES OF DIAGONAL BRACES FOR INSTALLATION BY WELDING
126	FABRICATION PW- 26 GENERAL PW- 27 WELDING PROCESSES PW- 28 WELDING QUALIFICATION AND WELD RECORDS
127	PW- 29 BASE METAL PREPARATION PW- 31 ASSEMBLY
128	PW- 33 ALIGNMENT TOLERANCE, SHELLS AND VESSELS ( INCLUDING PIPE OR TUBE USED AS A SHELL) PW- 34 ALIGNMENT, TUBE AND PIPE PW- 35 FINISHED LONGITUDINAL AND CIRCUMFERENTIAL JOINTS PW-33 ALIGNMENT TOLERANCE OF SECTIONS TO BE BUTT WELDED
129	PW- 36 MISCELLANEOUS WELDING REQUIREMENTS PW- 38 PREHEATING PW- 39 REQUIREMENTS FOR POSTWELD HEAT TREATMENT
130	PW-39 MANDATORY REQUIREMENTS FOR POSTWELD HEAT TREATMENT OF PRESSURE PARTS AND ATTACHMENTS
139	PW- 40 REPAIR OF DEFECTS PW-39.1 ALTERNATE POSTWELD HEAT TREATMENT REQUIREMENTS FOR CARBON AND LOW ALLOY STEELS
140	PW- 41 CIRCUMFERENTIAL JOINTS IN PIPES, TUBES, AND HEADERS
141	PW- 42 JOINTS IN VALVES AND OTHER BOILER APPURTENANCES
142	PW- 43 LOADING ON STRUCTURAL ATTACHMENTS PW-43.1 METHOD OF COMPUTATION OF ATTACHMENTS TO TUBES
143	PW-43.2 CHART FOR DETERMINING LOAD FACTOR, Lf PW-43.1 TUBE ATTACHMENT ANGLE DESIGN FACTOR, K
144	INSPECTION AND TESTS PW- 46 GENERAL PW- 47 CHECK OF WELDING PROCEDURE PW- 48 CHECK OF WELDER AND WELDING OPERATOR PERFORMANCE QUALIFICATIONS PW- 49 CHECK OF HEAT TREATMENT PRACTICE PW- 50 QUALIFICATION OF NONDESTRUCTIVE EXAMINATION PERSONNEL PW- 51 ACCEPTANCE STANDARDS FOR RADIOGRAPHY
145	PW- 52 ACCEPTANCE STANDARDS FOR ULTRASONIC EXAMINATION PW- 53 TEST PLATES
146	PW-53.1 TEST SPECIMENS FROM LONGITUDINAL WELDED TEST PLATES PW-53.2 METHOD OF FORMING LONGITUDINAL TEST PLATES
148	PW- 54 HYDROSTATIC TEST PW-53.3(a) DETAILS OF TENSION TEST SPECIMENS
149	PW-53.3(b) DETAILS OF BEND TEST SPECIMENS
150	PART PR REQUIREMENTS FOR BOILERS FABRICATED BY RIVETING
151	PART PB REQUIREMENTS FOR BOILERS FABRICATED BY BRAZING GENERAL PB- 1 GENERAL
152	MATERIALS PB- 5 GENERAL PB- 6 BRAZING FILLER METALS PB- 7 FLUXES AND ATMOSPHERES DESIGN PB- 8 GENERAL PB- 9 STRENGTH OF BRAZED JOINTS PB-1 MAXIMUM DESIGN TEMPERATURES [°F (°C)] FOR BRAZING FILLER METAL
153	PB- 10 BRAZED JOINT EFFICIENCY PB- 14 APPLICATION OF BRAZING FILLER METAL PB- 15 PERMISSIBLE TYPES OF JOINTS PB- 16 JOINT CLEARANCE PB- 17 JOINT BRAZING PROCEDURE PB- 18 OPENINGS PB- 19 BRAZED CONNECTIONS
154	FABRICATION PB- 26 GENERAL PB- 28 QUALIFICATION OF BRAZING PROCEDURE PART PB FIGURE PB-15 SOME ACCEPTABLE TYPES OF BRAZED JOINTS PB-16 RECOMMENDED JOINT CLEARANCE AT BRAZING TEMPERATURE
155	PB- 29 QUALIFICATION OF BRAZERS AND BRAZING OPERATORS PB- 30 CLEANING OF SURFACES TO BE BRAZED PB- 31 CLEARANCE BETWEEN SURFACES TO BE BRAZED PB- 32 POSTBRAZING OPERATIONS PB- 33 REPAIR OF DEFECTIVE BRAZING INSPECTION AND TESTS PB- 46 GENERAL PB- 47 CHECK OF BRAZING PROCEDURE
156	PB- 48 BRAZER AND BRAZING OPERATOR PB- 49 VISUAL EXAMINATION PB- 50 EXEMPTIONS MARKING AND REPORTS PB- 51 GENERAL
157	PART PWT REQUIREMENTS FOR WATERTUBE BOILERS GENERAL PWT- 1 GENERAL MATERIALS PWT- 5 GENERAL DESIGN PWT- 8 GENERAL PWT- 9 TUBES AND PIPE PWT- 10 TUBE WALL THICKNESS PWT- 11 TUBE CONNECTIONS
158	PART PWT TABLE PWT-10 MAXIMUM ALLOWABLE WORKING PRESSURES FOR SEAMLESS STEEL AND ELECTRIC RESISTANCE WELDED STEEL TUBES OR NIPPLES FOR WATERTUBE BOILERS, WHERE EXPANDED INTO DRUMS OR HEADERS, FOR DIFFERENT DIAMETERS AND GAGES OF TUBES CONFORMING TO THE REQUIREMENTS OF SPECIFICATIONS SA-178 GRADE A, SA-192, AND SA-226
160	PWT-11 EXAMPLES OF ACCEPTABLE FORMS OF TUBE ATTACHMENT
161	PWT- 12 STAYBOLTING BOX- TYPE HEADERS PWT- 13 STAYING SEGMENT OF HEADS PWT- 14 FIRING DOORS PWT- 15 ACCESS AND FIRING DOORS PWT-12.1 BOX-TYPE HEADER JOINT PWT-12.2 METHOD OF FORMING WATERLEG JOINTS BY WELDING
162	PART PFT REQUIREMENTS FOR FIRETUBE BOILERS GENERAL PFT- 1 GENERAL MATERIALS PFT- 5 GENERAL DESIGN PFT- 8 GENERAL PFT- 9 THICKNESS REQUIREMENTS PFT- 10 SHELL JOINTS PFT- 11 ATTACHMENT OF HEADS AND TUBESHEETS
163	PFT- 12 TUBES
164	COMBUSTION CHAMBERS PFT- 13 COMBUSTION CHAMBER TUBESHEET PFT-12.1 SOME ACCEPTABLE FORMS OF TUBE ATTACHMENT ON FIRETUBE BOILERS
165	PFT- 14 GENERAL PFT- 15 PLAIN CIRCULAR FURNACES PFT- 17 RING- REINFORCED TYPE PFT-17.2 ACCEPTABLE TYPE OF RING REINFORCED FURNACE
166	PFT- 18 CORRUGATED FURNACES PFT-18.1 MORISON FURNACE
167	PFT- 19 COMBINED PLAIN CIRCULAR AND CORRUGATED TYPE PFT- 20 ATTACHMENT OF FURNACES PFT-19 CONNECTION BETWEEN PLAIN AND CORRUGATED FURNACE PFT-20 WELDING OGEE RING
168	PFT- 21 FIREBOXES AND WATERLEGS STAYED SURFACES PFT- 22 GENERAL PFT-21 SOME ACCEPTABLE METHODS OF FORMING WATERLEG JOINTS BY WELDING
169	PFT- 23 WORKING PRESSURE FOR STAYED CURVED SURFACES PFT-23.1 STAYED WRAPPER SHEET OF LOCOMOTIVE-TYPE BOILER
170	PFT- 24 STAYING HORIZONTAL RETURN TUBE BOILERS PFT- 25 STAYING SEGMENTS OF HEADS PFT- 26 AREA SUPPORTED BY STAY PFT- 27 MAXIMUM SPACING
171	PFT-25 EXAMPLE OF STAYING OF HEADS ADJACENT TO CYLINDRICAL FURNACES
172	PFT- 28 STAYBOLTS AND STAYS PFT- 29 FLEXIBLE STAYBOLTS PFT- 30 CROWN BARS AND GIRDER STAYS PFT-27 PITCH OF STAYBOLTS ADJACENT TO UPPER CORNERS OF FIREBOXES
173	PFT- 31 STAY TUBES PFT- 32 STRESSES IN DIAGONAL STAYS PFT-32 MEASUREMENTS FOR DETERMINING STRESSES IN DIAGONAL STAYS
174	DOORS AND OPENINGS PFT- 40 WELDED DOOR OPENINGS PFT- 41 OPENINGS IN WRAPPER SHEETS PFT- 42 FIRESIDE ACCESS OPENINGS PFT- 43 REQUIREMENTS FOR INSPECTION OPENINGS PFT- 44 OPENING BETWEEN BOILER AND SAFETY VALVE DOMES PFT- 45 REQUIREMENTS FOR DOMES
175	SETTING PFT- 46 METHOD OF SUPPORT PIPING, FITTINGS, AND APPLIANCES PFT- 47 WATER LEVEL INDICATORS
176	PFT- 48 FEED PIPING PFT- 49 BLOWOFF PIPING PFT-46.1 SPACING AND WELD DETAILS FOR WALL-SUPPORT LUGS SET IN PAIRS ON HORIZONTAL-RETURN TUBULAR BOILERS PFT-46.2 WELDED BRACKET CONNECTION FOR HORIZONTAL-RETURN TUBULAR BOILERS
177	PFT- 50 THICKNESS OF FURNACES AND TUBES UNDER EXTERNAL PRESSURE PFT- 51 MAXIMUM ALLOWABLE WORKING PRESSURE
179	PART PFH OPTIONAL REQUIREMENTS FOR FEEDWATER HEATER ( WHEN LOCATED WITHIN SCOPE OF SECTION I RULES) PFH- 1
180	PART PMB REQUIREMENTS FOR MINIATURE BOILERS GENERAL PMB- 1 GENERAL PMB- 2 SCOPE MATERIALS PMB- 5 GENERAL DESIGN PMB- 8 GENERAL PMB- 9 WELDING
181	PMB- 10 WASHOUT OPENINGS PMB- 11 FEEDWATER SUPPLY PMB- 12 BLOWOFF PMB- 13 WATER GAGES PMB- 14 FIXTURES AND FITTINGS PMB- 15 SAFETY VALVES PMB- 16 STEAM STOP VALVES PMB- 17 AUTOMATIC DEVICES PMB- 21 HYDROSTATIC TESTS AND INSPECTION
183	PART PEB REQUIREMENTS FOR ELECTRIC BOILERS GENERAL PEB- 1 GENERAL PEB- 2 SCOPE PEB- 3 OPTIONAL REQUIREMENTS FOR THE BOILER PRESSURE VESSEL MATERIALS PEB- 5 GENERAL
184	DESIGN PEB- 8 GENERAL PEB- 9 WELDING PEB- 10 INSPECTION OPENINGS PEB- 11 FEEDWATER SUPPLY PEB- 12 BLOWOFF PEB- 13 WATER LEVEL INDICATORS PEB- 14 PRESSURE GAGES PEB- 15 SAFETY VALVES
185	PEB- 16 AUTOMATIC DEVICES PEB- 17 HYDROSTATIC TEST PEB- 18 INSPECTION AND STAMPING OF BOILERS
186	PEB- 19 MANUFACTURER’S DATA REPORT FOR ELECTRIC BOILERS
187	PART PVG REQUIREMENTS FOR ORGANIC FLUID VAPORIZERS GENERAL PVG- 1 GENERAL MATERIALS PVG- 5 GENERAL DESIGN PVG- 8 GENERAL PVG- 9 GENERAL REQUIREMENTS PVG- 10 GAGE GLASSES PVG- 11 DRAIN VALVES PVG- 12 SAFETY VALVES
188	PART PVG FIGURE PVG-12 CONSTANT CFOR VAPOR RELATED TO RATIO OF SPECIFIC HEATS ( kpcp /cv)
189	PART PHRSG REQUIREMENTS FOR HEAT RECOVERY STEAM GENERATORS PHRSG- 1 GENERAL PHRSG- 2 SCOPE PHRSG- 3 REQUIREMENTS FOR SUPERHEATER AND REHEATER CONDENSATE REMOVAL CONNECTIONS PHRSG- 4 DESUPERHEATER DRAIN POTS
190	PART PHRSG FIGURE PHRSG-4 SOME ACCEPTABLE DESUPERHEATER SPRAYWATER PROTECTION DEVICE ARRANGEMENTS
191	PHRSG- 5 CERTIFICATION
193	I SUBMITTAL OF TECHNICAL INQUIRIES TO THE BOILER AND PRESSURE VESSEL COMMITTEE I- 1 INTRODUCTION I- 2 INQUIRY FORMAT I- 3 CODE REVISIONS OR ADDITIONS
194	I- 4 CODE CASES I- 5 CODE INTERPRETATIONS I- 6 SUBMITTALS
195	II STANDARD UNITS FOR USE IN EQUATIONS
196	NONMANDATORY APPENDIX A EXPLANATION OF THE CODE CONTAINING MATTER NOT MANDATORY UNLESS SPECIFICALLY REFERRED TO IN THE RULES OF THE CODE BRACED AND STAYED SURFACES A- 8 METHOD OF CHECKING SAFETY-VALVE CAPACITY BY MEASURING MAXIMUM AMOUNT OF FUEL THAT CAN BE BURNED A- 12 A- 13 EXAMPLE 1 A- 14 EXAMPLE 2
200	A- 15 EXAMPLE 3 A- 16 EXAMPLE 4 A- 17 AUTOMATIC WATER GAGES A- 18 FUSIBLE PLUGS A- 19
201	A- 20
202	A- 21 PROOF TESTS TO ESTABLISH MAXIMUM ALLOWABLE WORKING PRESSURE A- 22
205	A- 24 TABLE PG- 23.1 A- 25 TABLE PG- 23.2 A- 26 TABLE PG- 23.3 A- 27 TABLE PG- 23.4 A- 28 FIGURES G AND CS- 1 THROUGH CS- 6 SUGGESTED RULES COVERING EXISTING INSTALLATIONS A- 30 SAFETY VALVES FOR POWER BOILERS A- 44
206	A- 45 A- 46 A- 48 A- 63
207	A- 64 REPAIRS TO EXISTING BOILERS EXAMPLES OF METHODS OF COMPUTATION OF OPENINGS IN VESSEL SHELLS A- 65 A- 66
209	A- 67
210	A- 68
211	A- 69
217	EXAMPLES OF COMPUTATION OF ALLOWABLE LOADING ON STRUCTURAL ATTACHMENTS TO TUBES A- 71 A- 72
218	A- 73 A- 74
219	PREHEATING A- 100 MAXIMUM ALLOWABLE WORKING PRESSURES — THICK SHELLS A- 125 SHELLS FOR INTERNAL PRESSURE
220	ROUNDED INDICATION CHARTS A- 250 ACCEPTANCE STANDARD FOR RADIOGRAPHICALLY DETERMINED ROUNDED INDICATIONS IN WELDS
221	METHODS FOR MAGNETIC PARTICLE EXAMINATION ( MT) A- 260 METHODS FOR LIQUID PENETRANT EXAMINATION ( PT) A- 270
223	QUALITY CONTROL SYSTEM A- 300 A- 301 GENERAL
226	A- 302 OUTLINE OF FEATURES TO BE INCLUDED IN THE WRITTEN DESCRIPTION OF THE QUALITY CONTROL SYSTEM
228	A- 310 ACCEPTANCE OF TESTING LABORATORIES AND AUTHORIZED OBSERVERS FOR CAPACITY CERTIFICATION OF SAFETY AND SAFETY RELIEF VALVES A- 311 SCOPE A- 312 TEST FACILITIES AND SUPERVISION A- 313 ACCEPTANCE OF TESTING FACILITY A- 314 QUALITY CONTROL SYSTEM OF TESTING LABORATORY A- 315 TESTING PROCEDURES
229	A- 316 AUTHORIZED OBSERVERS A- 317 CYLINDRICAL COMPONENTS UNDER INTERNAL PRESSURE
230	DATA REPORT FORMS AND GUIDES A- 350 GUIDES FOR COMPLETING MANUFACTURERS’ DATA REPORT FORMS
269	CODES, STANDARDS, AND SPECIFICATIONS REFERENCED IN TEXT A- 360 REFERENCED STANDARDS
273	A- 380 SAMPLE CALCULATIONS FOR EXTERNAL PRESSURE DESIGN A- 381
274	A- 382
275	A- 383
276	A- 390 GUIDANCE FOR THE USE OF U. S. CUSTOMARY AND SI UNITS IN THE ASME BOILER AND PRESSURE VESSEL CODE A- 391 USE OF UNITS IN EQUATIONS A- 392 GUIDELINES USED TO DEVELOP SI EQUIVALENTS
278	A- 393 SOFT CONVERSION FACTORS
280	INDEX
287	INTERPRETATIONS VOLUME 57 — SECTION I
289	FOREWORD
290	SECTION I
295	NUMERICAL INDEX
302	SUBJECT INDEX