(EXCERPTS FROM BOILER, PRESSURE VESSEL AND PIPING …

1 INDUSTRY, LABOR & HUMAN RELATIONS 49 ILHR41-42 AppendixBILHR 41-42 APPENDIXB (EXCERPTS FROM boiler , PRESSURE VESSEL AND PIPING CODES ANDSTANDARDS)Excerpts from the following boiler , PRESSURE VESSEL and PIPING codes and standards arereproduced here strictly for reference: asme Sections I, IV and VIII and ANSI/ asme .This informarion has been included to provide a general idea as to the requirements of thesecodes and standards . Users of this information must be cautioned that these excerpts do notprovide complete guidelines for inspection, installation, operation and portions of each code and standard thought to be frequently used by persons nothaving direct access to the complete documents have been included.

2 It must be noted thatthese codes and standards change on a periodic basis as indicated in s. ILHR Thosewho are bound by the rules of ch. ILHR 41 must avail themselves of the applicable codesection or standards listed in s. ILHR 41 a 10. Refer to ch. ILHR 42 for rules applying torepairs, alterations, and miscellaneous ,May, 1994, 46150 WISCONSIN ADMINISTRATIVE CODEILHR 41-42 AppendixBEXCERPTS FROM: asme boiler AND PRESSURE VESSEL CODESECTIONIPOWER BOILERS1992 EDITIONR egister, May, 1994, No,. 461 INDUSTRY, LABOR. & HUMAN RELATIONS 51 ILHR 41-42 AppendixBPREAMBLEThis code covers rules for construction ofpower boilers, electric boilers, miniatureboilers, and high-temperature water boilersto be used in stationary service and includesthose power boilers used in locomotive,portable, and traction service.

3 Reference toa paragraph includes all the subparagraphsand subdivisions under that code does not contain rules to coverall details of design and complete details are not given, it isintended that the manufacturer, subject tothe acceptance of the Authorized Inspector,shall provide details of design andconstruction which will be as safe asotherwise provided by the rules in the scope of jurisdiction of Section Iapplies to the boiler proper and to the boilerexternal , economizers, and otherpressure parts connected directly to theboiler without intervening valves shall beconsidered as parts of the boiler proper, andtheir construction shall conform to Section external PIPING shall be consideredas that PIPING which begins where the boilerproper terminates at:(a) the first circumferential joint forwelding end connections; or(b) the face of the first flange inbolted flanged connections; or(c) The first threaded joint in thattype of connection.

4 AndWhich extends up to and including thevalve or valves required by this code Certification (including DataForms and code Symbol Stamping), and/orinspection by the Authorized Inspector,when required by this code , is required forthe boiler proper and the boiler externalPipmg-Construction rules for materials, design,fabrication, installation, and testing of theboiler external PIPING are contained inASME , Power PIPING , PIPING beyondthe valve or valves required by Section I isnot within the scope of Section I, and it isnot the intent that the code Symbol Stampbe applied to such PIPING or any material for forced-circulation boilers,boilers with no fixed steam and water line.

5 And high-temperature water boilers shallconform to the requirements of the other requirements shall also be metexcept where they relate to special featuresof construction made necessary in boiler ofthese types, and to accessories that aremanifestly not needed or used in connectionwith such boilers, such as water gages andwater receiving steam which haspassed through part of a turbine or otherprime mover and separately fired steamsuperheaters which are not integral with theboiler are considered fired PRESSURE vesselsand their construction shall comply withCode requirements for superheaters,including safety devices. PIPING between thereheater connections and the turbine or otherRegister,May, 1994, No.

6 46152 WISCONSIN ADMINISTRATIVE CODEILHR 41-42 AppendixBprime mover is not within the scope of PRESSURE VESSEL in which steam isgenerated by the application of heat resultingfrom the combustion of fuel (solid, liquid,or gaseous) shall be classed as a fired PRESSURE VESSEL in which steam isgenerated shall be classed as unfired steamboiler with the following exceptions:(a) vessels known as evaporators or heatexchanges; -(b) vessels in which steam is generated bythe use of heat resulting from operation of aprocessing system containing a number ofpressure vessels such as used in themanufacture of chemical and steam boilers shall be constructedunder the provisions of Section I or tanks required in connectionwith high-temperature water boilers shall beconstructed to the requirements of Section Ior Section PRESSURE VESSEL in which an organic fluidis vaporized by the application of heatresulting from the combustion of fuel (solid,liquid, or gaseous) shall be constructedunder the provisions of Section I.

7 Vessels inwhich vapor is generated incidental to theoperation of a processing system, containinga number of PRESSURE vessels such as used inchemical and petroleum manufacture, arenot covered by the rules of SectionLRegister, May, 1994, No. 461 INDUSTRY, LABOR & HUMAN RELATIONS 53 ILHR 41-42 AppendixBPART PGGENERAL REQUIREMENTS FOR ALLMETHODS OFCONSTRUCTIONGENERALPG-1 SCOPE(b)No steam is generated within theThe requirements of Part PG apply topower boilers and high PRESSURE ,. high-temperature water boilers and to parts andappurtenances thereto and shall be used inconjunction with the specific requirements inthe applicable Parts of this Section thatpertain to the methods of construction SERVICE The rules of this Section areapplicable to the following services:(a) boilers in which steam or other vapor isgenerated at a PRESSURE of more than 15psig;(b) high-temperature water boilers intendedfor operation at pressures exceeding 160psig and/or temperatures exceeding.

8 250 For services below those specifiedin it is intended that rules of SectionIV apply; however, boilers for such servicesmay be constructed and stamped inaccordance with. this Section provided allapplicable requirements are Coil-type hot water boilers wherethe water can flash into steam when releaseddirectly to the atmosphere through amanually operated nozzle may be exemptedfrom the rules of this Section provided thefollowing conditions are met.(a) There is no drum header, or othersteam (c) Tubing outside diameter does notexceed 1 in.(d) Pipe size does not exceedN PS3/4.(e) Nominal water capacity does notexceed 6 gal.(f) Water temperature does notexceed 350 F.(g) Adequate safety relief valves andcontrols are ,May, 1994, No 46154 ILHR41-42 Appendix BWISCONSIN ADMINISTRATIVE CODEVENTS ANDINSTRUMENTATIONSINGLE INSTALLATION--~~~ PG 58 2 MULTIPLE INSTALLATIONCOMMON HEADERF_DRAIN --~~ STEAM DRUMCONTROL DEVICEPG-60 VENT INLET HEADEROf used)DRAIN`SU~ ~HOT REHEAT~"`~~~ -~---- ----~-DRAIN REhEATER::D:TR AVENTPG -684 COLO 7 EOQ ERPG 71 LEVEL INDICATORSPG-60 SURFACE BLOWPG CONTINUOUS--- BLOW-DQ- -- CHEMICAL FEEDDRUM SAMPLEF' rSOOT BLOWERS PG-685~~ ~-~--~-- SINGLE INSTALLATIONMAiN STEAMP(,;8 3 1f-t SOOT MULTfPLELlNSTA LLATIONPG-58 --DRAIN COMMONDRAINHEAD E RWATER DRUMPG-583.

9 6 BLOW-OFFSINGLE AND ~ - - - SINGLE BOILERf~-+-CG--{/b-- ---SINGLEBOILER~TWO ORMORE BOILERSU, S---d4--~-1/F-~ SOURCEin-~LLORAINPG-58,37 boiler NOtBOIlERN02 FEOFROMACOMMON~~> rnREGULATING vALVE5~d-~siBOILERNO r -D~----{y_ TWOORMORE~aBOILERNO2 BOILERSFEDFROM~~4 ACOMMON SOURCEADMINISTRATIVE JURISDICTION & TECHNICALRESPONSIBILITYB oiler Proper - The ASMEB oiler and PressureVessel code ( asme BPVC)has total administrative jurisdiction and technicalresponsibility(refer to Section I Preamble). BoilerExternalPiping and Joint- The ASMEBPVC has totaladministrativejurisdiction(mandator y certificationby code Symbol stamping. ASMEData Forms, and Authorized Inspection) of boiler External PIPING and ASMES ection Committee has been Non-BoilerExternal PIPING and Joint- Not Section I jurisdiction(see applicableASME B31 code ).}}

10 FIG. code JURISDICITONAL LINIITS FOR PIPING - DRUM TYPE BOILERSR egister, May, 1994, No,. 461 INDUSTRY, LABOR & HUMAN RELATIONS 55 ILHR 41-42 AppendixBTurbine valve orcode stopvalvePG5a31/SuperheaterTurbine- - To equipmentReheaterConvectionand radiantsectionEconomizer> <P__ _--__-T _~~-----I---i--1 (Start-up systemmay vary tosuitboiler manufacturerCondenserr -~,. boiler feed pump~---~ -~4~--;-'W~- -~-~';--L ADMINISTRATIVE JURISDICTION & TECHNICAL RESPONSIBILITY- boiler Proper - The ASMEB oiler and PRESSURE VESSEL code (ASMEBPVC) has total administrative jurisdiction andtechnical responsibility (refer to Section I Preamble). - boiler External PIPING and Joint - The asme BPVC has total administrative jurisdiction (mandatory certificationby code Symbol stamping, ASMEData Forms, and Authorized Inspection) of boiler External PIPING and ASMES ection Committee has been assigned technical External PIPING and Joint - Not Section I jurisdiction ((see applicable ASMEB31 code ).))