Document qmwqNX191ORyz3GOk8bXDODJx

OU0433 application of block and molded insulation moe i or z 4 *4 /fcOESST VA^LV^.EOCEOTVAElNUSO iTPEdOACWEDCUMSESSTSN,ECPEIPSESSA.RFYLFAONXCETSHEORAPOPTLHICERATPIOAXN IOSFAIRNESUOLEASICINXCieCBOLOI*CKIHAINSOS/OPXECPIIFPICEACT0IOVNEXI*iPSrtn0 . --"----C---Y--L----- A*0 THICKNESS WILL BE SHOWN On ih INSULATION ORawinC FOX EaCn CLASS OF IuRBinE. SPECIFICATION. TNfiKn.T--------------- c ;kanCCO /s/*R u / ZP *o THIS SPECIFICATION IS 0IV10E0 INTO TWO PAXTS AS FOLLOWS:- PART I. APPLICATION OF BLOCK. PAR i'll'. application of molded pipe covexinc. paxt'i. application of uloc*. CENCXAL: WHERE TEMPERATURE DOES NOT CXCEEO LOO'F.. MATERIAL TjoFsTliCATC BLOCKS SHALL BE APPLIED in a SinCLE LAYER OiSECTLt TO THE SURIACE beinc insulateo. v.nCN TEUPCRaTuRE EkCEEOS 000`F. a layer Of MATERIAL 7)09-1 HI-IIUP CLOCK COVERED UY A LAYER OF MATERIAL 73C3 SlLlCAlC IKSULAllO!) SHALL eC OSLO. OPyATIO!V 1. SfLECTlAC. CUT TIA'C a AO fllllNC BLOCKS 2. AllACPIl.C ANC.iOX POiNlS. 3. aMACHT.C XETaininC WIRES. 4. covering luxBitiE assembly fiances. 5. CCVERINC PIPE FLANGES. 6. PATCHING, FILUNC ANO FINISNINC WITH MATERIAL 7311 CluENl. 7. COVERING PIPES OF LARGE Diameter. 1. SELECTING. CUTTING ANO FITTING BLOCKS. BLOCK SHAPES SHALL BE SCLECTEO TO CONFORM AS NEARLY AS PRACTICAL TO THE SHAPE OR CONTOUR BEINC COVERED. INSULATION MAY BE CUT WITH EITHER A HANO OR A POWER SAW, OEPENUINC ON THE QUANTITY AND AUGUST OF FITTING NECESSARY. IN CEKERAL. THE LO.NC DIMENSION OF BLOCKS OR FORMS SHOULO BE PLACED OO* TO THE CURVATURE OF THE SURFACE BEINC COVERED WHEN FITTINC BLOCKS, SLIGHT DIFFERENCES IN CONTOUR BETWEEN THE INSULATION ANO THE PART TO BE COVERED ARE PERMISSIBLE. TN SUCH CASES. THE INSULATION BLOCKS SMALL BE SECUREO OVER A THIN COATING OF ISSULATIOM CEMENT MATERIAL 7311 APPLIED OIRCCTLY TO THE SURFACE OF the PART. SLOCKS SHALL BE APPLIED WHILE THE CE MENT IS WET. WHERE SEVERAL LAYERS OF BLOCKS ARE REQUIRED. THE JOINTS OF THE TOP LAYER SHALL BE STaCCEREO WITH RELATION IQ THE INNER LAYER. CAFII LAYER SHALL 8E WIRED OOWN TO THE ANCHOR POINTS ANO ALL JOINTS ANO OPENINGS FINISHED WITH CEMENT MATERIAL 7311. 2. ATTACHING ANCHOR POINTS ON ALLOY STEEL CASTINGS OR FORCINCS. AT POSITIONS SHOWN ON CYLINDER (ANO OTHER) INSULATION PAD* 0RAW1MCS INSULATION PADS TO STYLE NUMBER 270A0fc9H01 WILL BE WELOEO IN PLACE. CAUTION: NO FURTHER WELOINC OF ANY ANCHOR POINTS OIRCCTLY TO ANYALLOY STEEL CASTINCSOR FORCINCS SHALL BE DONE WITHOUT ENGINEERING APPROVAL. EYE BOLT STUOS. STYLE NUU8ER 270A091H01, SHALL BE WELOEO TO TliC INSULAIINC PADS ONLY WHERE RCQUREO TO ANCHOR INSULATION. USI.YC A NELSON IOR EQUAL) STUD WELOINC CUN. (SEC FIGURE 1) ONCARUON STEEL CASTINGS OR FORCINCS, EYE BOLT STUOS MAY BE WELOEO OIRECTLY TO THE CASTING OR FORCING USINC THE STUOWELDIKC CUY. The STUOS SHALL BE LOCATED SO THAI RETAININCWIRES At* TACHCO TO THCU SHALL RUN AT RICXT ANCLES TO THE CURVATURE OF 1PE 1UAI ACL OEIL'C COVEHEO, OR AT KIOU ANCLES 10 THE LONG MUIASIOS ON TLAT SURFACES. ON SPECIAL INSTALLATIONS ANO ON INSTALLATIONS FOR TEMPER; TURES OVER 950*F. BLOCKS MAYBE REQUREO FOR JOINT COVERlNC IN SUCH CASES, THE JOINT SHALL BE PROTECTED VY A COVEURC 0 1/lb INCH SHEET STEEL. MATERIAL lSlb-1 REINFORCED WITH SUIT ABLE ANCLES TO ASSURE RIGIDITY OR AS PROVIDED IN PROCESS SPIT 60072R. BLOCKS SHALL THEN BE APPLIED TO THE PROTECTING SUK FACES. S. COVERlNC PIPE FLANGES . WHEN STANSARS PIPE FUNCES ARE INVOLVED, COYER THEM WIT- SHEET METAL COVERS ANO INSULATE AS' SHOWN OR FICURES 7 ANO 3 WHEN PRESSURE RATING ANO FLANGE QIUENSIORS AXE BEYONO TH! SCOPE OF THESE STANOARO FIANCE COVERS USE ARRANGEMENT A! SHOWN ON PROC. SPEC. 600729. ' wt * PLACE IT* upJv_____ .IP'*-- (' JRXRTt RLOCK-- NTL.no* 7 rf ixot/ntu ??ttip 3. ATTACHING XETAINlsC WIRES rrx SERVICE TEMPERATURES UP TO SOOF.. SOFT CALVANI2E0 OR UlACK STILL WINE. MATERIAL J6S7-1. OF 1* CACE SIZE SHALL BE UStOIOR PLTAINUiC WINES. FOR SERVICE TEMPERATURES ABOVE SOOsF. ST/ILLESS STCCL WIRE. .062DIA..0F 7840-1 MATERIAL SHALL BE USED. THE WINES SHALL PASS OVER THE BLOCKS OR SHAPES AND BE TIED TO Till ANCHOR POINTS SECURING THE BLOCKS FIRMLY IN PLACE. WINE LOOPS SHALL BE USED OR PIPE IRSULATION ANO SHALL BE UflSTlO IGC-ETMCR ANO BENT TO PREVENT SNACC1NC. THE PITCH BE TWEEN LOOPS SHALL NOT CXCEEO IS INCHES. 4. COVERING TURBINE ASSEMBLY FLANGES INSULATION SHALL BE STOPPEO A SUFFICIENT OtSTAKCC FROM ALL FLANGES TO ALLOW ACCESS TO OR REMOVAL OF BOLTS ANO ASSOCIATED PARTS AT OR ADJACENT TO THE FLANCES. IS CEKERAL, INDUSTRIAL TURBINE ASSEURLY FLANCES FOR TEMPER ATURES TO VSO'F SHALL BE COVEREOWITH CLASS FILLEO ASBESTOS CLOTH COVEREO BLANKETS AS SHOWN IN FIGURE 1. (SEE PROCESS SPECIFICATION 600359 PARTS I, U ANO Ul.l AfPL'CATWH.Cr. BLOCK S'WB.A;tOa.TQ.*`>TlN9 FLANaQ_ NtL. rj. cement ITANOARO fla* coven TUJTI BLOCK tu not it or iikilot aotx MTV. XlSlItP paiteo ot It* MTU. 513MOU AAETE ' cr. Y/EST1NGH0USE ELECT, CTTAM nmirtriRi -301)^60433 pace i or z y? 1 APPLICATION OF BLOCK AND MOLDED INSULATION' 4. patchinc. filling ano finishing with 73H material INSULATION CEMENT MATERIAL 7311 SHALL BE USEDWITK 7TON-I / ?* 7308 BLOCK FOR PATCH1NC, FILLING IRRECULAR AREAS ANO FOR WlPPLYINC THE riKISHIRG COAT OVER THE FINAL LAYER OF BLOCK. ' UA1ERUL 7311 IS APPLIEO BY MIXING WITm A UINIUUU auOUNT OF WATCR 10 PROOUCE A STIFF MIX ANO THEN TROWELING IN PLACE. A FINISH COAT, l/A TO 1/7 INCH IHTHICKNCSS. SHALL THEHBCaP. PLIED BY AOOINC A MIXTURE OF 20% BY WEIGHt OF PORlLANO CGuEnI TO MATERIAL 7311. / >0 /! ..<>. COAT Till Ctwdn OtOf0 CDVCMJ O* RlOCA. PCWWR ISTM ON TSON 1 7. COVERINC PIPES OF LARCC DIAMETER URCE PIPES 10VER 10 IN.) SHALL BE COVERED AS PREVIOUSLY DE SCRIBED IN OPERATIONS 1 AND 3 WITH BLOCK INSULATION ANO FINISHED AS DESCRIBED IN PART (1 OPERATION 3. PART It, APPLICATION OF MOLDED PIPE COVERING UNERAL: MATERIAL 7310, HI-TEUP. PIPE COVERING ANO u*TFRIAL 57 79 SILICATE PIPE COVERINC ARE MOLDED TO FIT STANOARO PIPE SIZES. (MATERIAL 7310 CONSISTS OF A SINGLE LAYER OF HI-TEUP. INSULATION IN SIZES UP TO 1-1/2 IN. INCL. ANO A DOUBLE LAYER OF A HI-TEUP. AXO A SILICATE INSULATION IN SIZES OVER 1*1/2 IN.) PIPE COVERING SHALL BE SECURED IN PLACE BY MEANS OF WIRE LOOPS OF SOFT STECL 16 CACEWIRE, MATERIAL 36S7-1. FOR TEMPER ATURES UP TO SOQ*F. ANO WITH STAINLESS STECL .062 OIA. WIRE, MATERIAL 78 60-2, FOR TEMPERATURES OVER S00*F, WIRE LOOPS SMALL BE TWISTED TOGETHER ANO LEFT IN A MANNER TO PREVENT SMACCINC. THE PITCH BETWEEN LOOPS SHALL NOT EXCEED IS INCHES. INSULATION CEMENT, MATERIAL 7311, SHALL BC USEO FOR FITTINC, PATCHING ANO FINISHING PIPE COVERING INSULATION. OPERATIONS^ 1. SELECTING ANO FITTING PIPE COVERING. 2. COVERING PIPE FLANGES. 3. FINISHING. 1. SELECTING ANO FITTINC PIPE COVERING STRAIGHT PIPE SECTIONS ON STRAICMT SECTIONS OF PIPE SPLIT CYLINDRICAL MOLDED SEC TIONS OF PIPE COVERINC SHALL BE USEO. EACH LAYER SHALL BE IN DIVIDUALLY APPUCO, ONE OVER THE OTHER, UNTIL THE SPECIFIED THICKNESS HAS BECK ATTAINED. THE END JOINTS BETWEEN SECTIONS SHALL BE TiCHTLY BUTTED IN EACH LAYER, ANO THE LONCITUOIKAL JOINTS FROM SECTION TO SECTION SHALL BE STACGEREO ANO TICHTLY DRAWN TOCETHER BT MEANS'OF WIRE LOOPS. THE LONCITUOINAL AND CIRCUMFERENTIAL JOINTS FOR EACH LAYER SHALL ALSO BE STACGEREO WITH RELATION TO THE ADJACENT LAYER. CURVED PIPE SECTORS OR CURVED SECTIONS OF PIPE USE SPLIT. MOLDED CURVED PIPE COVERING WHEN AVAILABLE ANDWIRE IN PLACE. WHEN CURVCO SHAPES ARE NOT AVAILABLE. SHORT LENGTHS OF STRAIGHT MOLDED PIPE COVERING OR BLOCXS MAY BE USEO. THESE shall BE WIRED IN PLACE OVER AWET LAYER OF CEMENT MATERIAL 7311 APPLIEO OIRECTLY TO THE PIPE SURFACE. WHEN SUCH IRREGULAR SHAPES ARE USEO THE OUTSIDE SURFACES SHALL BC FINISHCO NEATLY ANO SMOOTHLY USING 7311 CEMENT TO PROOUCE THE OCSIRED RE SULTS. 2. COVERING PIPE FLANGES (MOLDED INSULATION! PIPE INSULATION SHALL BE STOPPED A SUFFICIENT DISTANCE FROM FLANCES TO ALLOW ACCESS TO ANO REMOVAL OF FLANCE BOLTS. CENTRAL STAIION 1 URSINE PIPE FLANCES ANO OTHER LARCC PIPE TLANCES SHALL BE COVERED AS OESCRIBEO IN PROC. SPEC. 60072*. ON SUALL PIPE FLANCES WHERE MOLOEO PIPE COVERINC OR BLOCK FORMS APPLY. INSULATE AS SHOWN IN FIG. 4. 3. FINISHING - WHEN PIPE INSULATION IS SECURED IN PLACE FILL ALL JOINTS ANO OKUtnCS WITH CLUCK T 7311 MIXED WITH A MINIMUM OF WATER TO I'KOUUCC A STIFF MIX. TROWEL IN PLACE UNTIL A SMOOTH NEAT AP- PtANALCL' IS bUt AIDED. HI1I.-C CXICRNAL TO THE TURBINE SHALL BE COVERCO WITH 12 0UI1CC PCR SUL'ARC YARO ASBESTOS CLOTH (MATERIAL 41S1UP) PASTED OH WITH MATERIAL S33510U PASTE. A FINAL COAT OF PASTE SHALL BE APPLIEO OVER THE ASBESTOS CLOTH. ON CROSS-OVER PIPES, WHEN PASTE IS ORY, 32 CHEESEWAN CLLIQT CO* EQUAL) PAINT SHALL BC APPUCO IN ACCORDANCE WITH FIN ISH SPECIFICATION 11BC. . 600077 600433 PACE 2 OF 2 WESTINGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.S.A. ---------- -------- - CKA T/V .y.i C *CF. M- Uj MrrucATION OF BLOCK AND MOLDED INSULATION 6004'. PACE I OF CEUCRAL: THE DETAILED PROCEDURES NECESSARY rOR THE APPLICATION OF (NSULAUNC BLOCK A*OOA PIPE COVERING TO Tuem-r -~tVCCRTT VALVE COVERS, STEAM CHESTS, PIPES. FLAHCES OR OIhER PARIS ARE OESCRiDEO I* ImS SPECIFICaIiOh. IhE INSULAtlON TYPE AHO IKlCKHESS WILL BE SmOwh ON THE INSULATION ORawinC 10* EaCh CLASS OF tlABJNE. THIS SPECIFICATION IS DIVIOEO INTO TWO PARTS AS FOLLOWS-.- PART I, APPLICATION of block. Part ii. APPLICATION of molded PIPE COVERING. CHANGED :/s/*4 II l/li/io 12 part l. APPLICATION of block, GENERAL: WHERE TEMPERATURE DOES NOT EXCEED BOOT.. UAitRUL 7308 SILICATE BLOCKS SHALL BE APPLIED IN A SINGLE LAVER OlRECTLY TO THE SURFACE BEING INSULATED. WHEN TEMPERATURE EXCEEOS BOOT. A LAYER OF MATERIAL 7 J09-1 r+tiiM coAt K Mu r\.us ci*o.r \ u.art ft_occ ru no* - 4EF. OPERATIONS: VMCS 1. jclectinc, cutting and fitting blocks. 2. ATTACKING ANChOR POINTS. ' 3. ATTACHING RETAINING WIRES. 4. COVERINC TURBINE ASSEMBLY FLANGES. 3. COVERINC PIPE FLANGES. B. PATCHING. FILLING AND FINISHING WITH MATERIAL 7311 CEMENT. 7. COVERINC PIPES OF LARGE DIAMETER. 1. SELECTING, CUTTIMC AND FITTING BLOCKS. BLOCK SHAPES SHALL BE SELECTEO TO CONFORM AS NEARLY AS PRACTICAL TO THE SHAPE OR CONTOUR SEJKC COVERED. INSULATION UAY BE CUT WITH EITHER A HANO OR A POWER SAW. OEKNCHNS OS THE QUANTITY ANO AMOUNT OF FITTING NECESSARY, IN CENERAL. THE LONG DIMENSION OF BLOCKS OR FORMS SHOULD SC PLACED 90* TO THE CURVATURE OF THE SURFACE BEING COVERED. WHEN FITTING BLOCKS, SLICHT DIFFERENCES IN CONTOUR BCTWCEK THE INSULATION ANO THE PART TO BE COVEREO ARE PERMISSIBLE. IN SUCH CASES, THE INSULATION BLOCKS SHALL BE SECURED OVER A THIN COATING OF INSULATION CEMENT MATERIAL 7311 APPLIEO DIRECTLY TO THE SURFACE OF THE PART. BLOCKS SHALL BE APPLIEO WHILE THE CE MENT IS WET. WHERE SEVERAL LAYERS OF BLOCKS ARE REQUREO, THE JOINTS OF THE TOP LAYER SHALL BE STACCEREO WITH RELATION TO THE INNER layer, each layer shall be wired oown to the anchor poihts and ALL JOINTS AND-OPENINGS FINISHED WITH CEMENT MATERIAL 7311. 2. ATTACHING ANCHOR POINTS ON ALLOY STEEL CASTINGS OR FORGINCS. AT POSITIONS $HC7WN ON CYLINDER (ANO.OTHERJ INSULATION PAD* DRAWINGS INSULATION PADS TO STYLE NUMBER 270A009H01 WILL BE WELDED IN PLACE. CAUTION: NO FURTHER WELDING OF ANY ANCHOR POINTS OlRECTLY TOWTaECOY STEEL CASTINGS OR FORCINGS SHALL BE DONE WITHOUT ENGINEERING APPROVAL. EYE BOLT STUOS, STYLE NUMBER 270A091H01, SHALL BE WELOEO TO THE 1KSULATING PADS ONLY WHERE REQUIRED TO ANCHOR INSULATION. USING A NELSON (OR EQUAL) STUD WELDING CUN. (SEE FlCURC 1) ON CAR60M STEEL CASTINGS OR FORCINGS. EYE BOLT STUOS UAY BE WELOEO OlRECTLY TO THE CASTING OR FORCING USING THE STUO WELOINC CUN. THE STUOS SHALL BE LOCATED SO THAT RETAINING WINES AT TACKED TO THEM SHALL RUK AT ftltXT ANCLES TO THE CURVATURE OF THE SURFACE BEING COVERED, OR AT RIOtT ANCLES TO THE LONG DI MENSION ON FLAT SURFACES. 3. ATTACHING RETAINING WIRES FOR SERVICE TEMPERATURES UP TO SOOF.. SOFT GALVANIZED OR BLACK STEEL WIRE, MATERIAL 3657-1, OF 16 CAGE SIZE SHALL BE USEO FOR RCTAJNIRC WIRES. FOR SERVICE TEMPERATURES ABOVE 500F. STAINLESS STEEL WIRE, .062 OIA., OF 7860-2 MATERIAL SHALL BE USEO. THE WIRES SHALL PASS OVER THE BLOCKS OR SHAPES ANO BE TTEO TO THE ANCHOR POIRTS SECURING THE BLOCKS FIRMLY IR PLACE. WIRE LOOPS SHALL BE USEO OK PIPE INSULATION ANO SHALL BE TWISTED TOGETHER ANO BENT TO PREVENT SKACCINC. THE PITCH BE TWEEN LOOPS SHALL NOT EXCEED IS INCHES. 4. COVERING TURBINE ASSEMBLY FLANGES INSULATION SHALL BE STOPPEO A SUFFICIENT OISTANCE FROM ALL FLAHCES TO ALLOW ACCESS TO OR REMOVAL OF BOLTS ANO ASSOCIATED PARTS AT OR ADJACENT TO THE FLANGES. IN GENERAL. INDUSTRIAL TURBINE ASSEMBLY FLAHCES FOR TCUPEIATURES TO 9S0*F SHALL BE COVERED WITH CLASS FILUO ASBESTOS CLOTH COVERED BLANKETS AS SHOWN IN FIGURE 1. (SEE PROCESS SPECIFICATION 6003S9 PARTS I, It ANO Ul.l cn *clt iruo tmj o irOAOlinO' V(10(0 to StTLC MO. Z7040OT* \if* e>A > i/i u hi. icmvt 0*9 mi) & _____ wohh c or cti no. i ON SPECIAL INSTALLATIONS AMO ON INSTALLATIONS FOR TEUPE TURES OVER 950*F. BLOCKS MAYBE REQUIRED FOR JOINT COVERT) IN SUCK CASES, THE XINT SMALL BE PROTECTED BY A COVERINC 1/16 INCH SHEET STEEL. MATERIAL 1S16-1 REINFORCED WITH SU ABLE ANCLES TO ASSURE R1CIQITY OR AS PROVIDED IR PROCESS SP 600729. BLOCKS SHALL THEM BE APPLIEO TO THE PROTECTING St FACES. 5. COVERING PIPE FIANCES - *' WHEN STANDARD PIPE FIANCES ARE INVOLVED, COYER THEM W1 SHEET UETAL COVERS ANO INSULATE AS SHOWN ON FI CURES 2 ANO WHEN PRESSURE RATING AND FLANCE DIMENSIONS ARE BEYONO t SCOPE OF THESE STamOARO FLANCE COVERS USE ARRANGEMENT SHOWN OK PROC. SPEC. 600729. VWC W W.ACC WITH tmC coon mutt wci- h row rtc. not / (1 Xjv-CymL * . amotu* 4 jJxCLOT* NAKTIO O N*ITW mLUue iun jmj<UIgI-aC-B.0C7l-lNSVLAIiW-T5-?*Tl?W FL.AJ9CL ITJWOANO TCClH RCOCt ti_ not JSLL tt OZ. AM TOR CLOT* MITCO O* , .. ."S WITH MIL WESTINGHQUSE CTflii ELECTRIC CORPORATION, --- =- AffcJATlQa-gJILOG*- TKW TO UWR.EfLtnOC TV > LESTER, PA., U.S. ^ ?5 600433 Rtr A4 w* Wf-\ t ur duvj^(\ AND MOLDED_INSULATION 6. PATCH1HC, FILLIMC AND FIWISIUHC WITH 7311 MATERIAL I INSULATION CCUCKT UAtERIAL 7311 SHALL BE IKED WITH T VIP- /' 1 08 7308 BLOCK FOR PATCHING, FlLUXC IRRCCULAX AREAS AND FOR I^JaPPLYINC THE FINISHIHC COAT over the FINAL LAYER of block. MATERIAL 7311 IS APPLlCDBY UlXINCWItK A MINIMUM AMOUNT Of WATER TO PROOOCE A STIFF MIX AKO THEN TROWELING IK PLACE. A FINISH COAT, 1/A TO 1/2 INCH IN THICKNESS. SHAU THEN EE AP PLIED B V aOOinC A MIXTURE OF 20^ BV WEIGH! OF P0R1LAS0 CEmEKI TO AaaICRIAL 7311. It* to /f f ' + n cclx r>i mCiGCO C O* LOC *Ofcwj iiJ7y on tsc*i 7. COVERIKC PIPES OF LARCC DIAMETER large pipes iover io in.i shall be covercoas previously oeSCRIBEO IN OPERATIONS 1 ANO 3 WITH eLOCK IHSULAllOH AHO FINIShEO as OESCIUBEO IN part u OPCRATIOR 3. PART H, APPLICATION OF UCLOEO PIPE COVERING CEHERAL: MATERIAL 7310, HI-TEUP. PIPE COVER1NC ANO MATERIAL ITJTliuCATE'PIPE COVERINC ARE MOLDED TO FIT STANDARD PIPE SIZES. iuaTCRIAL 7310 CONSISTS OF A SINCLC LAVER OF HI-TEUP. INSULATION in SUES up to 1-1/2 I*. INCL. ANO A DOUBLE LATER OF A Mt-ICUP. AJtQ A SILICATE INSULATION (N SUES OVER 1-1/2 IN.) PIPE COVERINC SHALL BE SECURED IN PLACE BY UEANS OF WIRE LOOPS OF SOFT STEEL 16 CAGE WIRE, MATERIAL 36S7-3, FOR TEMPER ATURES UP TO 500*F. ANO WITH STAINLESS STEEL .062 DIA. WIRE, MATERIAL 7B60-2, FOR TEMPERATURES OVER SOO'F. WIRE LOOPS SNALL BE TWISTED TOCETKER ANO LEFT IN A MANNER TO PREVENT SHAKING. THE PITCH BETWEEN LOOPS SHALL NOT CXCEEO IS INCHES. INSULATION CEMENT. MATERIAL 7321, SHALL BE USED FOR FITTINC, PATCHING AND FINISHING PIPE COVERINC INSULATION. opcmnnn*- 1. SELECTING AND FITTINC PIPE COVERINC. 2. COVERINC PIPE FLANCES. 3. FINISHING. 1. SELECTINC ANO FITTINC PIPE COVERINC STRAIGHT PIPE SECTIONS OR STRA1CHT SECTIONS OF PIPE SPUT CYLINDRICAL MOLDED SEC TIONS OF PIPE COVERINC SHALL BE USED. EACH LAYER SHALL BE IN DIVIDUALLY APPLIED, ONE OVER THE OTHER, UNTIL THE SPECIFIED THICKNESSHAS BEEN ATTAINED. THE END JOINTS BETWEEN SECTIONS shall BE tightly BUTTED IN EACH LAYER, ANO THE LONGITUDINAL JOINTS FROM SECTION TO SECTION SHALL BE STACCERED ANDT1CNTLY DRAWN TOGETHER BY MEANS OFWIRE LOOPS. THE LONCITUOINAL AND CIRCUMFERENTIAL JOINTS FOR EACH LAYER SHALL ALSO BE STACCERED WITH RELATION TO THE ADJACENT LAYER. CURVED PIPE SECTIOC OR CURVED SECTIONS OF PIPE USE SPLIT, UOLOED CURVEO PIPE COVERINC WHEN AVAILABLE ANO WIRE IR PLACE. WHEN CURVED SHAPES ARE NOT AVAILABLE, SNORT LENGTHS OF STRAIOIT MOLDED PIPE COVERINC OR BLOCKS MAY BE USED. THESE SHALL BE WIRED IN PLACE OVER AWET LAYER OF CEMENT MATERIAL 7311 APPLIED 01RECUY TO THE PIPE SURFACE. WHEN SUCH IRREGULAR SHAPES ARC USED THE OUTSIDE SURFACES SHALL BE FINISHEO NEATLY ANO SMOOTHLY USING 7311 CEMENT TO PRODUCE THE OES1REO RE SULTS. 2. COVERINC PIPE FLANCES (MOLDEO INSULATION) PIPE INSULATION SHALL BE STOPPED A SUFFICIENT DISTANCE FROM FLANCES TO ALLOW ACCESS TO AND REMOVAL OF FLANCE BOLTS. CENTRAL STATION TURBINE PIPE FLANCES ANO OTHER LARGE PIPE FLANCES SHALL BE COVERED AS DESCRIBED IN PROC. SPEC. 60072*. ON SMALL PIPE FLANCES WHERE MOLDED PIPE COVERINC OR BLOCK FORMS APPLY. INSULATE AS SHOWN IN FIC. 4. 3. FINISHING WHEN PIPE INSULATION IS SECUREO l PLACE FILL ALL JOINTS ARO OPEkiNCS WITH CEMENT 7311 MIKED WITH A MINIMUM OFWATCR TO PRODUCE A STIFF U1X. TROWEL IR PLACE UNTIL A SMOOTH NEAT APPEAXANCE IS OBTAINED. PIPING EXTERNAL TO THE TURBINE SHALL BE COVERED WITH 12 OUNCE PER SQUARE YARD ASBESTOS CLOTH (UNDERWRITERS CXAOE) PASTED ON WITH MATERIAL S33S1DU PASTE. A FINAL COAT OF PASTE SHAU BE APPLIED OVER THE ASBESTOS CLOTH. ON CROSS-OVER PIPES, WHEN PASTE IS DRY, 32 CHEESEUan ELLIOT (OR EQUALl PAINT SHALL BE APPLIED IN ACCORDANCE WITH FIN1SK SPECIFICATION UBC. 600079 600433 PACE 2 0rz WESTIUGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.S.A. o V I \ REF. OOWUM PROCESS SPECIFICATION APPLICATION OF BLOCK AND MOLDED INSULATION 600433 '-CC l OF z % CHAhQCO lb CCKttAL- THE DETAILED PROCEDURES NECESSARY FOR Tm APf l ICaHON Cr ll.SL-.A HVC ULOCk A.VJ j f.ri UmkhC io HrihaE Cvi IhoTrTTvaLVE COVERS. STEAM ChESTS. PIPES, Flanges. OR OTHER parts a-.E OESCKlitO,.!. T>u i jKOFiCaHOh. AKO THICKNESS will be Shown on the insulation drawinc fok Each class OF IUR3INC. ThE Insulation i. PE THIS SPECIFICATION IS OIVIOEO INTO TWO PARTS AS FOILOwS- PARI I - APPLICATION OF BLOCK. - Pa ft nr - APPLICATION OF UOLDEO PlPC COVERING. PART I APPLICATION qf BLOCK CCmERal; vniCRE IcL'PERaToRE OOES NOT EiCEED oOi-"l .. `Jir62aB CALCIUM SILICATE CLOCKS Shail bC aPPliCO in a layer directly TO Hit SURFACE BElNC INSULAlLO. ' i p;al' > tC WHEN TCUPERATURC RANCES FROM 60t TO 10SO*f.. A . CDcL: LAYER of MAIL. 4010280 BLOCK INSULATION Shall DC UiC'J. OVER )OSO*F.. A OOUBLE LAYER CONSISIinCOF aiaTEKial 4e< OlAA UO^pSl AND RblOTBB lOUlER) SHALL BC USEO. OPERATIONS: 1. selecting, cuttinc ano Fitting blocks. 2. ATTACMINC ANCHOR POINTS. 3. ATTACHING retaining WIRES. 4. CCVERINC TURBINE ASSEMBLY FLANGES. .5. COVCRINC PIPE FLANCCS. 6 PATCHIHC, FILLING ANO FINISHING WITH MATERIAL 46110BA CEMENT. 7. COVERINC PIPES OF LARGE OIAMETER. X. SELECTING. CUTTINC ANO flTTlNC CLCCKS. 4. -.c tcnr m a: viu v.ilasges % ,| I.AT:l% A.1 .11 C:A Tl.. i * - I > Jll I il SICPrCO 4 urriClENI OiSTanCE frou A a .,,L.S !GuN RlUCval OF HOLTS AM3 ASSO* ..l.iM re Tilt FLANCES. r. VIRAL. C.V:-i.e..TH k'.AV. LsjCaV -. :-IAL-|L-PfclNL ASSEMBLY TLANGES SHALL BE : A*. S'lOWMN IICURC l. JSEE PROCESS SPEC i ; jliCiAL :\*Ul.aTTCnS. ClOCaS may 3C RlOUIREO FOR join L'C-t'is- itSuCli-.Avii. IxC JOINT Small BEPROIECTEO PA a COVERING Cr ). Ibll.LH i-til STEEL. MATERIAL ISlft-l REINFORCED MSN SUiTACcE ANGLES TO ASSURE RiCIOITY OR AS PROVIDED IN PROCE1 r:c. eOi)7.'9. NLOCas Shall then BE applied TO the PROTECTING *L->r ACES. 0LOC* MSU.ATO* f^-j- ccit (W \ 3) 4' BLOCK SHAPES Small BE SELECTEO TO CONFORM as nearly AS PRACTICAL TO the Shape OR CONTOUR BElNC COVEREO. INSULAt.OY MAY BE CUT WITH EITHER A NANO OR A POWER Saw. OEPENCINC 0*. TnE QUANTITY ANO AMOUNT OF FITTING NECESSARY. tide* JiU.4TlO* C*C KXT 1T\jO JTTLf ho 270*0*1*01 wCLOtO TOlHVXATeO^r ITTWt l0. 2 70*041*01 IN CENCRAL. the LONC OIMENSION OF BLOCKS OR FORMS SHOULO BE PLACEO 90* TO THE CURVATURE OF THE SURFACE BElNC COVEREO. WHEN FITTING BLOCKS, SLlCKT DIFFERENCES IN CONTOUR BETWEEN The INSULATION ANO THE PART TO BE COVERED ARE PERMIS SIBLE . IN SUCH CASES, The INSULATION BLOCKS Shall BE SEC.REO OVER A THIN COATING OF INSULATION CEMENT MATERIAL 46110SA APPLIEO OIRECTLY TO THE SURFACE OF THE PART. BLOCKS SHALL BE APPLIED while the ccmcnt is wet. where several layers of blocks are reouireo. the joms CF THE TOP LAYER SHALL BE STAGGERED WITH RELATION TO THE iNNER LAYER. Each LAYER Shall BE WIRED OOWN TO THE ANCHOR POINTS ano ALL JOINTS and OPENINGS FINISHED WITH CEMENT MATERIAL 461100A. [f%A* V */$ OlA Hf7 kO STL. 0C i o*i? ^ or cn. ccvttnc wn fla.\c< rot * -' 2. ATTACHING ANCHOR POINTS ON ALLOY STEEL CASTINGS OR FORCINGS, AT POSITIONS SKC.VN ON Cylinder iano otheri insulation pao* orawincs. insulation pads TO STYLE NUMBER 270A009H01 WILL BE WELOEO IN PUkCC. WHEN STANOARO PIPE FLANCES are INVOLVED, COVER THEM WITH SHEET METAL COVERS ANO INSULATE AS SHOWN ON FICURES 2 ANO 3. WHEN PE* SURE RATING AND FLANCE DIMENSIONS ARE BtYONO THE SCCPE 0* *MESE STANDARD TLANCE COVERS US^ARRanCEUENT as Show. -RDCESS sue. c00729. * CAUTION: NO FURTHER WELDING OF ANY ANCHOR POINTS OIRCCTLY TO ANY ALL&Y STEEL CASTINGS OR FORCINGS SHALL BE DONE WITHOUT ENGINEERING APPROVAL. EVE BOLT STUOS. STYLE NUMBER 270A091H01, SHALL BE WELDEO TO THE INSULA TING PADS ONLY WHERE RCQU1RE0 TO ANCHOR INSULATION, USINC A NELSON IOR EQUAL) STUO WELDING CUN. (SEE FlCURE 11 * HI -N PLACE mTr nine LOOPS MTL 44oDA, CEMENT uoc* insulation / a oz AsacsTos CLOTH MTL. An*.' V. PaSTCOCMWITH \h|^33IM 0(1 CARPON STEEL CASTINCS OR FORCINGS. EYE KOLt STUOS UAT beweloed directly to the casting or fcrcinc using the stls WELOINC CUN. THE STUDS shall BE LOCATED SO THAI retaining WIRES ATTACHED TO THEM SHALL RUN AT RlCHT ANCLES TO ThC CURVA TURE OF THE SURFACE BElNC COVEREO, ON AT RIQtT ANCLES TO TnE LONC DIMENSION ON FLAT SURFACES. 3. aTTachiiiC retaining wires FOR SERVICE TEMPERATURES UP TO SOO*F., SOFT GALVANIZED OR BLACK STEEL WIRE, MATERIAL 36S7-1, OF 16 CACE SIZE SHALL TE USED FOR RETAINING WIRES. FOR SERVICE TEMPERATURES A8J-.1 SOO*F. STAINLESS STEEL WIRE, .042 OUL., OF 7860-2 UATERiaL SHALL BE USEO. THE WIRES shall PASS OVER THE BLOCKS OR SHAPES ANO 8r TIED TO THE ANCHOR POINTS SECURING THE BLOCKS FIRMLY IN FLALE. WIRE LOOPS SHALL BE USED ON PIPE INSULATION ANO Shall BE TWISTED TOCETHCR ANO OEM TO PREVENT SNACCINC. THE PttCM BE TWEEN LOOPS SHALL NOT EXCEED IS INCHES. APNLICAI'ON OF BLOCK lYSAtATICM tOMAT.N0 FlANCTS (9 2 MTL 4SU0CA CCMCNT STANDARD PLANX COVER BlOCa insulation V I202.AMC ' . TOS cloth ,\ MTL 4I3AAP ------- > PASTED ON WITH MIL. SJJStOU PASTE APPLICATION OT M.OCX INSULATION It. to vnclc n.v r. WESTINGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.S.^qqq _________ ____________ mrA ----------------- 3500433 OU UMOO PROCESS SPECIFICATION PAat 2 OF 2 APPLICATION OF BLOCK AND MOLDED INSULATION ~-- i" ~--~-- --------------------------- ------------------------------------------- -- . A. piTCHlNC. FlUINg AMO PURSUING WITH 4611064 UAtrtm SHALL APPLIED OVER THE ASBESTOS CLOTH. 5Tno INSULATION CEMEX T MAT EUAL A 61106A SMALL BE USCO W1IM 46601AA OR 4610266 BLOCK FOR PATCHINC, FlLLINC IRREGULAR AREAS ANO ft* APPLYINC THE FtMSH'NG COAT, 1/4 TO 1/2 INCH THICK, OVER THE FINAL LAVE* Of BLOC*. MATERIAL 441106a IS APPUEO 0V UIKIRC WITH A MIMIUUM AMOUNT Of MATE* TO P*OOUC A STIFF MIX ABO THEN TROvrfLINC IM PLACE. 1. CWt*mC PIPES Of LAUCE OlAUETE* LA6CC PIPES (WE* 10 IN.I SMALL BE COVERED AS P*VIOUStV 0ESCR1BE0 IN OPERATIONS 1 AND 3 WITH BLOCK INSULATION amO F|NiShC< AS DESCRIBED IN PART U, OPERATION 3. 0* CROS5-OVE* PIPES, WXE* PASTE IS 0*V. PAINT SHALL 8 APPLIED IN ACCORDANCE WITH FINISH SPECIFICATION 11 jc. i/4 TO l/l rMMjPI COAT 44i(0*A ClMCMf u ox Aiacjroi CcOTpr toll 4#54t on ?- suiiou *aD 0* A.OCI fo^* m%jLAUom / /, , //^/vYaz^ ,*A( M *V4CC **"<u AOC & m li4.Aro, fc.OCfO^ Ch 5 PART It * APPLICATION Of MOL0C0 PIPE INSULATION CENEIUL: MATERIAL 466016A. HI-TEMP. PIPE INSULATION ANO MATE RIAL 34251AM SILICATE PIPE INSULATION ARE UOLOEO TO fIT STamSaRO PIPE SI2ES. IMATERIAL 464016a CONSISTS Of A SINGLE LAVER Of HLTEUP. INSULATION IN SUES UP TO 1*1/2 IN., INCL., ANO A DOUBLE LAVER Or A W-TEUP. ANO A SIUCATE INSULATION IN SUES OVER 1-1/2 IN.) COUAL l Cl0 OPERATIONSi 1. SELECTING ANO FITTING PIPE INSULATION. 2. COVERING PIPE FLANGES, i. SECURING INSULATION. 4.Flit SHINC. ' J. SELECTING ANO PITTING PIPE INSULATION. STRAICKT PIPE SECTIONS ON STRAICHT SECTIONS Of PIPE. SPLIT CYLINDRICAL UOLOEO SECTIONS OF PIPE INSULATION SHALL BE USEO. EACH LAYER SHALL BE INDIVIDUALLY APPLIED. ONE OVER THE OTHER, UNTIL THE SPECIFIC0 THICKNESS has BEEN aTTAINCO. THE CNO JOINTS BETWEEN SECTIONS SHALL BE TlOiTLY BUTTED IN EACH LAYER. ANO THE LONGITUDINAL JOINTS f*OU SECTION TO SECTION SHALL BE STaCCERED AND TtCMTLY DRAWN TOCETHCR BY UCANS OF WIRE LOOPS. THE LOHCITUOINAL AND ORCUUFE1ENTIAL JOINTS FOR EACH LAYER SMALL ALSO BE STaCCERED WITH RELATION TO THE ADJACENT LAYER. CURVED PIPE SECTIONS ON CURVED SECTIONS OF PIPE USE SPUT. UOLOEO CURVED PIPE INSULATION WHEN AVAILABLE, ANO WIRE IN PLACE. WHEN CURVED SHAPES ARE NOT AVAILABLE, SHORT UNCTHS OF STRAiQtT UOLOEO PIPE INSULATION OR BLOCKS UAY BE USCO. THESE SMALL BE WIRED IN PLACE OVER A WET LATER Of CEUCNT UATCRM.L 46110BA APPLIED OIRECTLY TO THE PIPE SURFACE. WHEN SUCH IRREGULAR SHAPES ARC USCO. THE OUTSlOE SURFACES SHALL BE FINISHED NEATLY ANO SUOOTKLY, USING 46U0BA CEUCNT TO PRODUCE THE DESIRED RESULTS. 2. COVERINC PIPE FLANCtS (UOLOEO INSULATION) PIPE INSULATION SHALL BE STOPPED A SUFFICIENT OISTANCE FROM FIANCES 10 ALLOA ACCESS TO ANO REMOVAL OF FLANGE BOLTS. CENTRAL STATION TURBINE PIPE FLAnCCS ANO OTHER LARCt ocscnacopK flanges shall be covcreo as in process spec. 600726. 0* SMALL PIPE FIANCES WHERE UOLOEO PIPE INSULATION OR BLOCK FORMS APPLY. INSULATE AS SHOWN IN FIG. 4. J. SECURING INSULATION PIPE INSULATION SHALL BE SECURED IN PLACE BY MEANS OF WIRE LOOPS OF SOFT STEEL 16 CAGE WIRE. MATERIAL 3637-1. FOR TCMPCRATuaES UP TO SOOT. ANO WITH STAINLESS STEEL .062 OIA. WIRE. MATERIAL 7860-2, FOR TEMPERATURES OVER SOQ*F. WIRE LOOPS shall IE TWISTED TOCETHCR ANO LEFT IN A MANNER TO PRC* VENT SNACONC. THE PITCH BETWEEN LOOPS SHALL NOT EXCEED 13 INCHES. 4. FINISHING' INSUUnONCCUENT. MATERIAL 461IOBA, SHALL BE USCO FOR FITTING, PATCMNC ANO FIMSHINC PIPE INSULATION. WHEN PIPE INSULATION IS SECURED IN PLACE, FILL ALL JOINTS ANO OPENINCSWITH CEMENT 46U0SA MIXED WLTH A MINIMUM OF A WATER TO PROOUCE A STIFF UIX. T RCWEL IN PLACE UNTIL A SMOOTH NEAT APPEARANCE IS OBTAINED. PIPING EXTERNAL TO THE TURBINE SHALL BE COVCREO WITH 12 OUNCE PER SQUARE YARO ASBESTOS CLOTH (MATERIAL 41S11AP1 PASTED ON WITH MATERIAL 333310U PASTE. A FINAL COAT OF PASTE 600024 w. 600433 PLKF 4 WESTINGHOUSE ELECTRIC CORPORATION, IESTER, PA, U.SJL