Document K6LYQQ5m0ERMDeqyX2agybj0x

<c \ MS^S BYM.DORFMAN PROCESS SPECIFICATION APPLICATION f TLOCK AND MOLDED INSUl 600433 -PAGE I 0F2 c CHANGEO l/tyk4 IQ "S'V'.s 19 - ' 1 ! 1 1 $ .* * * i - : ( . ~ ;i ? - j `C .1 "i i 9 1 : :|! 3 y. !1 D jO isai U. GENERAL: THE DETAILED PROCEDURES NECESSARY FOR THE APPLICATION OF INSULATING BLOCK AND/OR PIPE COVERING TO TURBINE CYL- WOERS, Valve covers, steam chests, pipes, flanges, or other parts are described IN THIS specification, the insulation type and Th/COCSS WILL BE SHOWN on THE INSULATION DRAWING FOR EACH CLASS of TUR8INE. THIS SPECnCATION IS OIVIOED INTO THREE PARTS AS FOLLOWSr- . I - APPLICATION OF BLOCK ' APPLICATION OF MOLDED PIPE COVERING PART III - APPLICATION OF BLOCK FOR GAS TURBINES e&si I - APPLICATION OF BLOCK GENERAL: WHERE TEMPERATURE DOES NOT EXCEEO 600F.. MATERIAL 46102BB CALCIUM SILICATE BLOCKS SHALL BE APPUEO IN A SINGLE LAYER DIRECTLY TO THE SURFACE BEING INSULATED. WHEN TEMPERATURE RANGES FROM 601 TO 1050F., A DOUBLE LAYER OF MATL. 46102B8 BLOCK INSULATION SHALL BE USED. -OVER 105Of., A DOUBLE LAYER CONSISTING OF MATERIAL 46601AA ONNER) AND 4620268 (OUTER) SHALL BE USEO. - OPERATIONS: . X. SELECTING, CUTTING AND FITTING BLOCKS. 2. ATTACHING ANCHOR POINTS. 3. ATTACHING RETAINING WIRES. 4. COVERING TURBINE ASSEMBLY FLANGES. 5. COVERING PIPE FLANGES. 6. PATCHING, FILLING AND FINISHING WITH MATERIAL 461108A CEMEHT. 7. COVERING PIPES OF LARGE DIAMETER. . 1. SELECTING. CUTTING AND FITTING BLOCKS. . BLOCK SHAPES SHALL BE SELECTED TO CONFORM AS NEARLY AS PRACTICAL TO THE SHAPE OR CONTOUR BEING COVERED. INSULATION MAY BE CUT WITH EITHER A HA NO OR A POWER SAW, DEPENDING ON THE OUANITTY ANO AMOUNT OF FITTING NECESSARY; - IN GENERAL, THE LONG DIMENSION OF BLOCKS OR FORMS SHOULD BE PLACED 90s TO THE CURVATURE OF THE SURFACE BEING COVERED. WHEN FITTING BLOCKS, SLIGHT DIFFERENCES IN CONTOUR ' BETWEEN THE INSULATION AND THE PART TO BE COVERED ARE PERMIS SIBLE. IN SUCH CASES, THE INSULATION BLOCKS SHALL 8E SECURED . OVER A THIN COATING OF INSULATION CEMENT MATERIAL 46110BA APPLIED DIRECTLY TO THE SURFACE OF THE PART. 8L0CKS SHALL BE APPLIED WHILE THE CEMENT IS WET. WHERE SEVERAL LAYERS OF BLOCKS ARE REQUIRED, THE JOINTS OF THE TOP LAYER SHALL BE STAGGEREO WITH RELATION TO THE INNER LAYER. EACH LAYER SHALL BE WIREO DOWN TO THE ANCHOR POINTS AND ALL JOINTS AND OPENINGS FINISHED WITH CEMENT MATERIAL 46110SA. 4. COVERING TURBINE ASSEMBLY FLANGES "l INSULATION SHALL BE STOPPED A SUFFICIENT OISTANCE FROM ALL FLANGES TOALLOWACCESSTOOR REMOVAL OF BOLTS ANO ASSO CIATED PARTS AT OR ADJACENT TO THE FLANCES. IN GENERAL, INDUSTRIAL TURBINE ASSEMBLY FLANGES SHALL BE COVERED WITH BLANKETS AS SHOWN IN FIGURE 1. (SEE PROCESS SPEC. 600359). ON SPECIAL INSTALLATIONS, BLOCKS MAY BE REQUIRED FOR JOINT COVERING. IN SUCH CASES, THE JOINT SHALL BE PROTECTED BY A COVERING OF .06 INCH SHEET STEEL, MATL 10101AA REINFORCED WITH SUITABLE ANGLES TO ASSURE RIGIDITY OR AS PROVIDEO IN PROCESS SPEC. 600729. BLOCKS SHALL THEN BE APPUEO TO THE PROTECTING SURFACES. LOCK INSULATION finish ooot MTL 46U0BA CYC BOLT STUO STYLE NaZTOAGSMOl WELTED TOMSUATED MO STYLE NUMBER S7OA06SH0I 309 DUX AO LB STEEL SCREWS 4C0B3O00B 2. ATTACHING ANCHOR POINTS .i i3 ;a ON ALLOY STEEL CASTINGS OR FORGINGS, AT POSITIONS SHOWN ON CYLINDER (AND OTHER) INSULATION PAD' DRAWINGS, INSULATION PADS TO STYLE NUMBER 270A089H01 WILL BE WELOEO IN PLACE. . CAUTION: NO FURTHER WELDING OF ANY ANCHOR POINTS OIRECTLY TO ANY ALLOY STEEL CASTINGS OR FORGINGS SHALL BE DONE WITHOUT ENGINEERING APPROVAL. EYE BOLT STUDS, STYLE NUMBER 270A091H01, SHALL BE WELDED TO THE INSULATING PADS ONLY WHERE REQUIRED TO ANCHOR INSULATION, USING A NELSON (OR EQUAL) STUD WELDING CUN. (SEE FIGURE 1) ON CARBON STEEL CASTINGS OR FORGINGS, EYE BOLT STUOS MAY ' BE WELDED DIRECTLY TO THE CASTING OR FORGING USING THE STUD WELDING GUN. THE STUOS SHALL BE LOCATED SO THAT RETAINING WIRES ATTACHED TO THEM SHALL RUN AT RIGHT ANGLES TO THE CURVA TURE OF THE SURFACE BEING COVERED, OR AT RIGHT ANGLES TO THE LONG DIMENSION ON FLAT SURFACES. 5. COVERING PIPE FLANGES WHEN PIPE FLANGES 6.00 IN. AND OVER ARE INVOLVEO COVER THEM WITH EXPANDED McTAL COVERS ANO INSULATE AS SHOWN ON FIGURES 2 ANO 3 AND AS DESCRIBED IN PART II OPERATION 2. WITH MMC LOOPS AMOS MADE OF INSULATION LOCXIVRMS- JOCK OR MOLDED MSULATK ISSCSTOS CLOTH MATERIAL 4ISIIAP PASTEO ON WITH MATERIAL S3S50U PASTE 3. ATTACHING RETAINING WIRES a C REF. FOR SERVICE TEMPERATURES UP TO 500F., SOFT GALVANIZED OR BLACK STEEL WIRE, MATERIAL 10130BJ, OF 16 GAGE SIZE SHALL BE USED FOR RETAINING WIRES. FOR SERVICE TEMPERATURES ABOVE 500F. STAINLESS STEEL WIRE, .062 OIA., OF 10730DX MATERIAL SHALL BE USED. THE WIRES SHALL PASS OVER THE BLOCKS OR SHAPES AND BE TIED TO THE ANCHOR POINTS SECURING THE BLOCKS FIRMLY IN PLACE. __ WIRE LOOPS SHALL BE USED ON PIPE INSULATION AND SHALL BE TWISTED TOGETHER AND BENT TO PREVENT SNAGGING. THE PITCH BE TWEEN LOOPS SHALL NOT EXCEED 15.00 INCHES. __ ON LARGE SURFACES 20 GAGE POULTRY NETTING SHALL BE FAS TENED WER BLOCK TO ANCHOR FINISH CEMENT. APPLCATWH OP INSULATION Tp_MATWS TLANGC5 Ft 0.2 MNGSMAOeor INSULAT If " LOCK FORMS WRE IN place with WEIDOPSvJI OLTLCTH tackwclo cxpanccd METAL MTL KM44A0 ./ASBESTOS CLOTH <MTL 4151 (AP PASTED ON WITH MTL 5355IOU PASTE MTL 46II06A Finish cement H^sto.80 APPLICATION OF INSULATION TO SINGLE FLANGE FI0.3 WESTINGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.S.A. STEAM DIVISIONS STANDARDS ENGRG. Produced 3/93 600433 PAGE I OF 2 4002262B 600433 PAGE 2 OP 2 PROCESS SPECIFIC^ON A.. JCATION OF BLOCK AND MO^. -D INSULATION 6. PATCHING FILLING AMD FINISHING WITH 46I10BA MATERIAL INSULATION CEMENT MATERIAL 46110BA SHALL BE USED WITH 46601AA OR 46102BB BLOCK FOR PATCHING, FILLING IRREGULAR AREAS AND FOR APPLYING THE FINISHING COAT .25 TO .50 INCH THICK, OVER THE FINAL LAYER OF BLOCK. . MATERIAL 46U0BA IS APPLIED BY MIXING WITH A MINIMUM AMOUNT OF WATER TO PRODUCE A STIFF MIX AND THEN TROWELING IN PLACE. 7. COVERING PIPES OF LARGE DIAMETER LARGE PIPES (OVER 10 IN.) SHALL BE COVERED AS PREVIOUSLY DESCRIBED IN OPERATIONS 1 AND 3 WITH BLOCK INSULATION AND FINISH ED AS DESCRIBED- INPART U. OPERATION 4. gRTJI^A^UWTIgN^MgLDED^PIPIJNSUJATION 4. FINISHING . INSULATION CEMENT, MATERIAL 46110BA, SHALL BE USED FOR FITTING, PATCHING AND FINISHING PIPE INSULATION. . WHEN PIPE INSULATION IS SECURED IN PLACE. FILL ALL JOINTS AND OPENINGS WITH CEMENT 46110BA MIXED WITH A MINIMUM OF WATER TO PROOUCE A STIFF MIX. TROWEL IN PLACE UNTIL A SMOOTH NEAT APPEARANCE IS OBTAINED. PIPING SHALL BE COVERED WITH 12 OUNCE PER SOUARE YARD ASBESTOS CLOTH (MATERIAL 41S11AP) PASTED ON WITH MATERIAL 533510U PASTE. A FINAL COAT OF PASTE SHALL BE APPUED OVER THE ASBETOS CLOTH. ON CROSS-OVER PIPES. WHEN PASTE IS DRY. PAINT SHALL BE APPLIED IN ACCORDANCE WITH FINISH SPECIFICATION 118C. GENERAL: MATERIAL 4660 IBA, H1-TEMP. PIP E INSULATION AND MATE RIAL 54251AH SILICATE PIPE INSULATION ARE MOLDED TO FIT STANOARO PIPE SIZES. (MATERIAL 46601BA CONSISTS OF A SINGLE LAYER OF HI-TEMP. INSULATION IN SIZES UP TO 1.50 IK., INCL., AND A DOUBLE LAYER OF A HI-TEMP. AND A SILICATE INSULATION IN SIZES OVER 1.50 IN.) WlNG AND FITTING PIPE INSULATION. 2. COVERING PIPE FLANGES. 3. SECURING INSULATION. 4. FINISHING. 1. SCLfi PE INSULATION. Yi2iwjs*sni*f*n ONS ' .23 T0 .30 COAT 46(10* CEMENT 12 OK.ASBESTOS CLOTH MTL4MMAP HAnS<TEinDiON WITH EQUAL' MOLDED OR BLOCK TORN INSULATION IN PLACC ITM WIRE LOOPS ON STRAIGHT SECTIONS OF PIPE, SPLIT CYLINDRICAL MOLDED SECTIONS OF PIPE INSULATION SHALL BE USEO. EACH LAYER SHALL BE INDIVIDUALLY APPUED, ONE OVER THE OTHER, UNTIL THE SPECIFIED THICKNESS HAS BEEN ATTAINED. THE END JOINTS BETWEEN SECTIONS SHALL BE TIGHTLY BUTTED IN EACH LAYER, ANO THE LONGITUDINAL JOINTS FROM SECTION TO SECTION SHALL BE STAGGERED ANO TIGHTLY DRAWN TOGETHER BY MEANS OF WIRE LOOPS. THE LONGITUDINAL ANO CIRCUMFERENTIAL JOINTS FOR EACH LAYER SHALL ALSO BE STAGGEREO WITH RELATION TO THE ADJACENT LAYER. ' CURVED PIPE SECTIONS " no. 4 ON CURVED SECTIONS OF PIPE USE SPLIT, MOLDED CURVED PIPE INSULATION WHEN AVAILABLE, ANO WIRE IN PLACE. . WHEN CURVED SHAPES ARE NOT AVAILABLE, SHORT LENCTHS OF STRAIGHT MOLDEO PIPE INSULATION OR 8L0CKS MAY BE USED. THESE SHALL BE WIREO IN PLACE OVER A WET LAYER OF CEMENT MATERIAL 46110BA APPLIED DIRECTLY TO THE PIPE SURFACE. WHEN SUCH IRREGULAR SHAPES ARE USEO, THE OUTSIDE SURFACES SHALL BE FINISHED NEATLY AND SMOOTHLY, USING 46110BA CEMENT TO PROOUCE THE DESIREO RESULTS. 2. CWERING PIPE Fl*WGES PIPE INSULATION SHALL BE STOPPED A SUFFICIENT DISTANCE FROM FLANGES TO ALLOW ACCESS TO ANO REMOVAL OF FLANGE BOLTS OR TO ALLOW FOR FLANGE INSULATION THICKNESS. WHICHEVER IS GREATER. PIPE* FLANGES FOR PIPE 6.00 IN. AND OVER SHALL BE PROTECTED WITH EXPANDEO METAL COVERS MTL. 10144AB BEFORE APPLYING INSULATION AS SHOWN IN FIGS. 2 ANO 3 AS FOLLOWS^ FT! EXPANDED METAL COVERS MADE IN A MINIMUM OF TWO SECTIONS AROUND THE FLANGE. BUILD UP SECTIONS WITH BLOCK OR MOLDED PIPE INSULATION TO OESIRED THICKNESS. {SECTIONS NOT TO EXCEED 40 LBS.). APPLY SECTIONS TO FLANGE AND TIE TOGETHER WITH MTL. 10730DX WIRE EXPOSING TIE WIRES AT SECTION JOINTS IN ORDER TO FACILITATE D1SMANTUNG. PART HI - APPLICATION OF BLOCK FOR GAS TURBINES THIS PART IS THE SAME AS PART I EXCEPT AS FOLLOWSr- 1. A SINGLE THICKNESS OF BLOCK INSULATION MU. 46102BB IS TO BE USED IN ALL CASES. 2. WHEN BLOCK INSULATION IS SECURED IN PLACE, FILL ALL JOINTS ANO OPENINGS WITH CEMENT MTL. 46110BA MIXED WITH A MINIMUM OF WATER TO PRODUCE A STIFF MIX. TROWEL IN PLACE UNTIL A SMOOTH NEAT APPEARANCE IS OBTAINED. THE BLOCK SHALL THEN BE COVERED WITH 12 OZ. PER SQ. YD. ASBESTOS CLOTH MTL. 41S11AP PASTED ON WITH MU. S3351DU PASTE. A FINAL COAT OF PASTE SHALL BE APPLIED OVER THE CLOTH. 3. WHERE RIBBED MEMBERS ARE TO BE INSULATED CUT BLOCK AS SHOWN BELOW - . ON PIPE FLANGES UNDER 6.00 IN. INSULATE AS SHOWN IN FIG. 4. PATCH, FILL AND FINISH ALL OPENINGS AND JOINTS WITH CEMENT MTU 46110BA AS DESCRIBED IN OPERATION 4. . X RIM 3. SECURING INSULATION PIPE INSULATION SHALL BE SECURED IN PLACE BY MEANS OF WIRE LOOPS OF SOFT STEEL 16 GAGE WIRE, MATERIAL 10130BJ, FOR TEMPERATURES UP TO SOOtF. AND WITH STAINLESS STEEL .062 DIA. WIRE, MATERIAL 10730DX, FOR TEMPERATURES OVER 500F. WIRE LOOPS SHALL BE TWISTED TOGETHER AND LEFT IN A MANNER TO PRE VENT SNAGGING. THE PITCH BETWEEN LOOPS SHALL NOT EXCEED 1S.00 INCHES* IEISSUED 23-46 BVM.OORFMAN CHANGED 18 19 J 600433 PAGE 2 OP 2 .-') WESTINGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.SA STEAM DIVISIONS Produced 3/93 STANDARDS ENGRG. REF. 40022629 ' ISSUED I | ' e-l-S3| I erM.DORFVAN CHANGED n ^""OCESS SPECIFICATION APPLICATION l,. BLOCK AND PLASTIC IN. AT10N 600729 PAGE I OF 2 GENERAL . THE DETAILED PROCEDURES NECESSARY FOR THE APPLICATION OP WATER RESISTANT THERMAL INSULATING BLOCK ON THE INNER OR HOT SURFACE AND OF PLASTIC INSULATION OVER THE BLOCK ON THE OUTER SURFACE OF TURBINE CYLINDERS AW OTHER TURBINE PARTS ARE DESCRIBED IN THIS SPECIFICATION. . . THE INSULATION DRAWINGS FOR EACH TURBINE WILL SHOW THE INSULATION TYPE AND THICKNESS TO BE APPLIED. THIS SPECIFICATION IS DIVIOED INTO TWO PARTS AS FOLLOWS:* PARTI THE APPLICATION OF BLOCK INSULATION. PART II THE APPLICATION OF PLASTIC INSULATION. * MATERIALS 46601AB - INSULATING BLOCK 46110BJ - INSULATING CEMENT (PLASTIC) 107300X - S.S.WIRE 42331AA - ASBESTOS PAPER 20 GAUGE POULTRY NETTING 10144AB - EXPANDED METAL . . $ j i >-_ O T*i : ..~D 5 ; o: 1 j-SI J XJ 3: !a * . * M ft s I mi 3 s g IL a REF. PART I THE APPLICATION OF BLOCK INSULATION GENERAL ONLY WATER RESISTANT THERMAL INSULATING BLOCK MATERIAL 46601AB SHALL BE USED ON APPLICATIONS PERTAINING TO THIS SPEC* FICATION. . OPERATIONS:- (1) ATTACHING ANCHOR POINTS. (2) SELECTING, FITTING ANO ATTACHING BLOCKS. (3) COVERING TURBINE ASSEMBLY FLANGES. (4) COVERING VALVE BONNETSu CS>: PATCHING, FILLING ANO FINISHING. ' V ' Cl) ATTACHING ANCHOR POINTS . : : ON ALLOY STEEL CASTINGS OR FORGINGS, AT POSITIONS SHOWN CON "CYLINDER (AW OTHER) INSULATION PAD' DRAWINGS, INSULATION C PADS TO STYLE NO. 270A089H01 WILL BE WELOEO IN PLACE. : CAUTION: NO FURTHER WELDING OF ANY ANCHOR POINTS V. DIRECTLY T6 ANY ALLOY STEEL CASTINGS OR FORGINGS SHALL BE DONE WITHOUT ENGINEERING APPROVAL. EYE BOLT STUDS, STYLE 270A091H01, SHALL BE WELOEO TO THE INSULATION PADS ONLY WHERE REQUIRED TO ANCHOR INSULATION, USING A NELSON (OR EQUAL) STUD WELDING GUN TO ' PROCESS SPECIFICATION 600465. (SEE FIG. 1) ON CARBON STEEL CYLINDERS, EYE BOLT STUDS MAYBE WELOEO DIRECTLY TO THE CYLINDERS USING THE STUD WELOING GUN. (2) SELECTING. FITTING AW ATTACHING 8L0CKS ' . ' BLOCK SHAPES SHALL BE SELECTED AW CUT TO CONFORM AS NEARLY AS POSSIBLE TO THE SHAPE OR CONTOUR OF THE SURFACE BEING COVERED. THE METHOD OF CUTTING MAY BE GOVERNED BY THE QUANTITY REQUIRED OF EACH SIZE OR SHAPE AW THE AMOUNT - OF FITTING NECESSARY. IN GENERAL, THE LONG DIMENSION OF BLOCKS SHALL BE PLACED 90 TO THE CURVATURE OF THE SURFACE BONG COVERED. WHEN FITTING BLOCKS, SLIGHT DIFFERENCES IN CONTOUR BETWEEN THE INSULATION ANO THE PART TO BE COVERED ARE PERMISSIBLE. IN SUCH CASES, THE BLOCK MAY BE SECURED OVER A THIN LAYER OF PLASTIC INSULATION, MATL. 46110BJ, APPLIED DIRECTLY TO THE SURFACE OF THE PART. THE BLOCKS SHALL BE APPLIED WHILE THE PLASTIC IS WET. IF MORE THAN ONE LAYER OF BLOCK IS USED, STAGGER JOINTS OF TOP LAYER WITH RELATION TO BOTTOM LAYER. FILL ALL OPENINGS WITH PLASTIC CEMENT. ON CYLINDER COVERS, BLOCKS SHALL BE SECURED BY 20 GAUGE POULTRY NETTING.WIRED TO THE ANCHOR POINTS. ON CYLINDER BASES, BLOCKS SHALL BE SECURED TO THE ANCHOR POINTS BY .062 DIA. STAINLESS STEEL WIRE, MATERIAL 107300X, IN ADDITION TO THE POULTRY NETTING. BLOCKS SHALL BE STOPPED SUFFICIENTLY FAR FROM HORI ZONTAL FLANGE 80LTING TO ALLOW FOR ACCESS TO AW REMOVAL OF BOLTING. O) COVERING TURBINE ASSEMBLY FUNGES . WHERE THE BLOCKS ARE BEING APPLIED TO URGE TURBINE CYLINDERS. SPECIAL PROCEDURES SHALL BE FOLLOWED IN COVER ING FLANGE NUTS, BOLT HEADS AND ADJACENT AREAS AS FOLLOWS: A HOLDER OF APPROXIMATELY TWO FEET IN LENGTH OF EXPAWED METAL, MATERIAL 10144AB, .75 INCH MESH BY .070 INCH THICK, SHALL 8E MADE TO SUPPORT THE INSULATION OVER THE FLANGE AREAS AW BOLTS AS SHOWN IN FIGURE 1. MATL. 46601AB INSULATING BLOCK SHALL BE SECURED IN THE EXPANDED METAL HOLDER WITH 20 GAUGE POULTRY NETTING ANCHORE) TO THE EDGES OF THE EXPANDED METAL CONTAINER. MATL. 46110BI PLASTIC INSULATION SHALL BE APPLIED OVER THE BLOCK AS REQUIRB IN PART II. THE EXPANDED METAL BASKET FILLED WITH INSULATION SHALL BE SECURED OVER THE PROPER FLANGE AREA TO THE ANCHOR POINTS WITH MATERIAL 107300X STAINLESS STEEl WIRE. ASBESTOS PAPER MTL. 42331AA, NOT LESS THAN .06 INCH THICK, SHALL BE PLACED AT THE TURBINE CYLINDER JOINT, SO THAT A HORI ZONTAL SEAM OR PARTING IS CREATED. SIMILAR PARTING ASBESTOS PAPER STRIPS SHALL BE PLACED BEHIND THE UPPER SURFACE OF THE BASKET ADJACENT TO THE CYLIWER CURVATURE ANO BETWEEN THE BASKET SECTIONS ALONG FLANGE. THIS SHALL OCCUR ON CYLINDER -COVERS AW BASES. ALL ASBESTOS PAPER PARTING STRIPS SHALL BE APPLIED AT THE TIME OF THE APPLICATION OF THE BASE INSULATW MATL. 46601AB INSULATING BLOCKS OF SUITABLE SIZE SHALL BE SECURED ALONG THE CYLIWER JOINT AW SEPARATED BY THE PARTUS STRIPS AS PREVIOUSLY DESCRIBED. . * .. Tt. s'" M) COVERING VALVE BONNETS .- INSULATION FOR THROTTLE VALVE BONNETS, INTERCEPTOR VALVE BONNETS, AW SPECIAL VALVE BONNETS SHALL BE MADE IN SECTIONS AS SHOWN IN FIGURE 2. WEIGHT PER SECTION NOT TO EXCEED APPROX IMATELY 40 LBS. (ASSUME 24 LBS. PER CUBIC FOOT). THE EXPAWED METAL SECTIONS SHALL BE FITTED TO BONNET CONTOUR AND THEREAFTER BUILT UP WITH MATERIAL 46601AB BLOCK. POULTRY NETTING AW PLASTIC INSULATION MATERIAL 46110BJ TO DESIRED THICKNESS LESS .50 INCH. -. , . AFTER THE INSULATION SECTIONS ARE IN PLACE, THEY SHALL BE WIRED TOGETHER CIRCUMFERENTIALLY AND THE TIE WIRES SO AR RANGED THAT AFTER THE .50 INCH FINISH COAT IS APPLIED, THESE TIE WIRES SHALL INDICATE THE LOCATION OF THE INSULATION SECTS* JOINTS. THIS WILL FACILITATE DISMANTLING. - (S) PATCHING. FILLING AW FINISHING .' FUSTIC INSULATION, MATERIAL 461108J. SHALL BE USED FOR PATCHING AND FILLING IRREGULAR AREAS AND FOR FINISHING, AS DESCRIBED IN PART II. ' PART II THE APPLICATION OF PLASTIC INSULATION GENERAL PUSTIC INSUUTION, MATERIAL 46110BJ, IS RECEIVED IN A ORY CONDITION AND MUST FIRST BE MIXED Wl TH WATER BEFORE BEING TROWELED IN PLACE. THE PUSTIC INSULATION SHALL BE APPLIED ON TOP OF THE INSULAT ING BLOCK AFTER THE POULTRY NETTING IS IN PUCE. - OPERATIONS:- (1) MIXING. (2) APPLICATION OF THE FIRST COAT. (3) APPLICATION OF THE REINFORCING WIRE MESH. (4) APPLICATION OF ADDITIONAL COATS. (5) APPLICATION OF UST COAT. . - 40022630 < WESTINGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.S.A. ctcjim nivtSMNS -------Pr(*$abcT3793 STANDARDS ENGRG. 600729 fAGE I OF Z * 600729 PAGE 2 OF 2 * PROCESS SPECIFICATION AP*"* JCATION OF BLOCK AND r ASTIC INSULATION n> Mtxwc . - : MIX THE LOOSE INSULATING CEMENT WITH WATER IN THE PROPORTIONS OF NINE TO TEN GALLONS OF WATER TO A FIFTY POUND BAG OF LOOSE ORY CEMENT (OR NOT MORE THAN 1 QUART OF WATER TO J LB. OF CEMENT). MIX WITH HANDS OR A SUITABLE TOOL. THEWETCEMENT SHOULD CONTAIN ONLY ENOUGH WATER TO PRODUCE A MIXTURE THAT WILL CLOO AND STICK TO THE SUR FACE BEING COVERED. EXCESS WATER RETAROS THE DRYING AND CAUSES SHRINKING AND CRACKING. W APPLICATION OF FIRST COAT ' TROWEL A LAYER 1.00 TO 1.50 INCHES THICK OF MATERIAL 46U0BJ OVER THE POULTRY NETTING. THROTTLE, INTERCEPTOR AND SPEOAL VNUIE BONNET MSULRTON INSULATION SECTIONS NOT TO EXCEED 40 LBS. FINISH COAT PLASTIC MTI 46II0BJ POULTRY NET fj) APPLICATION OF REINFORCING WIRE MESH IF THE PLASTIC INSULATION IS OVER 1.50 INCHES THICK, 20 GAUGE POULTRY NETTING SHALL BE APPLIED OVER THE FIRST INCH OF PLASTIC INSULATION AND ANCHORED TO THE ANCHOR POINTS. . (4) APPLICATION OF ADDITIONAL COATS ADDITIONAL LAYERS OF THE PLASTIC INSULATION MAY BE APPLIED ON TOP OF THE FIRST COAT AFTER THE POULTRY NETTING IS IN PLACE. AND AFTER THE FIRST LAYER IS DRY. INTERMEDIATE LAYERS OR POULTRY NETTING SHALL BE APPLIED EVERY ONE INCH OF INSULATION WHERE SEVERE VIBRATION IS ENCOUNTERED OR WHERE APPLICATION WARRANTS, UNTIL THE DESIRED INSULATION THICKNESS IS ATTAINED. THE FIRST AND SUBSEQUENT LAYERS MAY BE DRIED BY MEANS OF HOT AIR BLOWERS. CS> APPLICATION OF LAST COAT ' TROWEL THE LAST COAT IN PLACE TO GET A SMOOTH FINISH, r NECESSARY, ADD MORE WATER IN ORDER THAT THE FINAL COAT BE APPLIED SMOOTHLY. WATERPROOFING MAY BE APPLIED WHERE DESIRED, BUT NOT UNTIL THE INSULATION IS THOROUGHLY DRY. . BLOCK KTL? 4660IAB TACK WOO WIRE M PLACE WITH LOOPS, MTU? 0730DX EXPANDED NCTAL' MTL.I0I44AB VALVE BOOT- FIG. 2 ISSUE M 8-1-5; BYM. DOR Flu > CHANCED IT PLASTIC MSULATION MT1_ 4SII0BJ 20 GAUGE POULTRY WIRE MESH PLASTIC MSULATION MTI. 46II0BJ 20 GAUGE POULTRY WIRE MESH' MGH TEMR MMERAL WOOL BLOCK MTU 4660MB ) CYLINDER JOWT -MSULATION TO BE MADE M APPROX. 2400N REMOVABLE SECTORS ASBESTOS PAPER TOCREATE SEAM OR PARTING APPLIED AT THE TIME BASE MSULATION IS APPLIED EVE BOLT STUDS HIGH TEMP MINERAL WOOL BLOCK MTL. 4660IAB HORCL^OFCYL. 062 STAINLESS STEEL WIRE (SOFT) MTU I0730DX STIC MSULATION MTL.46II0BJ >20 GAUGE POULTRY WIRE MESH -PLASTIC MSULATION MTL46II0BJ -20 GAUGE POULTRY WIRE MESH BGH TEMP MINERAL WOOL BLOCK MTU4660IAB KPANOEO METAL MTU 10144AS WMED TO EYEBOLT STUDS 600729 PA6E 2 OF 2 WESTINGHOUSE ELECTRIC CORPORATION, LESTER, PA., U.S.A. STEAM DIVISIONS Produced 3/93 STANDARDS ENGRG. REF. 40022631