Commissioning Procedure For Pre-Commissioning Mechanical Checks Of Tg & Auxiliaries TAPP-3&4-41000-CP-1M

PROCEDURE NO: TAPP 3&4- 41000- CP-1M

TAPP-3&4 COMMISSIONING PROCEDURE COMMISSIONING PROCEDURE FOR PRE-COMMISSIONING MECHANICAL CHECKS OF TG & AUXILIARIES TAPP-3&4-41000-CP-1M

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Page 1 of 51 DATE OF ISSUE:

NUCLEAR POWER CORPORATION OF INDIA LIMITED (A Go!"o# I$%' E$!)*)+ E$!)*)+, , TARAPUR ATOMIC POWER PROECT-3&4

COMMISSIONING PROCEDURE FOR PRE-COMMISSIONING MECHANICAL CHECKS OF TG & AUXILIARIES TAPP-3&4-41000-CP-1M

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N'2 & D+$" NPC D+$ G)o/*

PREPARED 

C H E C K ED  

REVIEWED 

APPROVED 

ISSUED 


PROCEDURE NO: TAPP 3&4- 41000- CP-1M ISSUE NO NO:01

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ISSUE NO NO:01

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-T5+ *' + $!$!o$'66 6#! 76'$8-

REVISION LOG

Revision Details Issue No.

Rev.No.

Details

Date

Page No.

Preparation Details Prepared by Concurred by Checked by Approved by Reviewed by


PROCEDURE NO: TAPP 3&4- 41000- CP-1M ISSUE NO NO:01

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ISSUE NO NO:01

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-T5+ *' + $!$!o$'66 6#! 76'$8-

CONTENTS SL !I!L" CLA#S"

PA$" N.

N. Cover sheet Revision log Contents %.

Purpose Pre)re*uisites

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(.% Status o+ other syste,s (.( Syste, Re*uire,ents (.& -anpower re*uire,ents (. Re*uire,ent o+ special "*uip,ents (.' Re*uire,ent o+ outside agencies (./ 0a1ards 2 precautions $eneral ,ethod Design intents "3pected process para,eters 4ork plan List o+ ,echanical checklists Re+erences 8eri+ication process List o+ anne3ure))) anne3ure))))8eri+ication )8eri+ication re*uire,ents

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1"0

PROCEDURE NO: TAPP 3&4- 41000- CP-1M ISSUE NO:01

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P/)*o+: The purpose of this proceure is to pro!ie guie"i#es for Pre$ co%%issio#i#g of %echa#ica" chec&s for TG ' (u)i"iaries*

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All erection activities should be co,pleted. !e,porary supports should be re,oved. Calibration: installation and wiring o+ all the instru,ents should be co,pleted as per the approved drawing. A telephone should be available near by and the telephone nu,bers o+ hospital: a,bulance and +ire brigade is displayed.

9"9 S+!2 R/)2$!+ 1"

Access to the plant ite, is ade*uate

9"

Illu,ination in the plant area is ade*uate.

3"

Any other re*uisite sa+ety provision is ade*uate +or the co,,issioning activity.

4"

Plant ite, is in clean condition.

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All necessary locks and keys +or padlocks: interlocks etc. are available.

<"

0ot sur+aces lagged or screened or screened su++iciently to provide protection +or personnel.

="

Co,,issioning o+ process water: D- water has been co,pleted.

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Co,,unication +acilities should be available between work area 2 control roo,.

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i,,ediate

Depending upon e*uip,ents +ollowing inputs are also needed; %. perating personnel to co)ordinate the activities.



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Page + of 51 DATE OF ISSUE:

(. Power supply +or the actuators. &. Lighting arrange,ent +or oil tank and other operating +loors. . Portable +ire +ighting e*uip,ents in all the +loors. 5* (!ai"a,i"it- of "a,orator- faci"ities for a#a"-sis of OIL sa%p"es*

/. Availability o+ service Air 2 instru,ent air. 5. Availability o+ Co,,unication +acility at working area. 6.
%9. Insulation o+ !urbine 2 piping shall be co,pleted and !$ +loor: !ank 2 operating area co,pletely cleaned 9"3 M'$ *o?) R/)2$!+: Co,,issioning tea, =,echanical engineer )%: electrical engineer )% 2 C2I engineer )% 2 supporting ,anpower +ro, contractor > one +itter: one electrician two helpers? should be available. a. NPCIL >!$ co,,issioning group +or co)ordination. b. -@s 0"L co,,issioning group +or e3ecution 2 supervision o+ co,,issioning activities

9"4 R/)2$! o# +*.'6 E/*2$!+: NIL 9"; R/)2$! o# o/!+% '$.+: NIL 9"< H'@')%+ '$% P).'/!o$+:


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•


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Page . of 51 DATE OF ISSUE:

!he hydraulic units such as that o+ gland stea, supply 2 leak) o++ valves are e*uipped with positive displace,ent pu,ps. Loosening or tightening o+ any ,echanical ite, should be done a+ter depressuri1ation o+ the syste,.

A telephone should be available near by and the telephone nu,bers o+ hospital: a,bulance and +ire brigade is displayed. 4hile testing and adBusting the hydraulic actuator no insulation work shall be allowed.

•

!he operating personnel shall be aware o+ the procedure.

•

/e,ris i# a# arou# s-ste%s sha"" ,e re%o!e*

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•

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•

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(pproach0Stair ase0P"atfor% here!er reuire are %ae a!ai"a,"e*

4elding @ cutting shall not be carried out in working area.

Provision +or e,ergency stopping o+ electrically operated e*uip,ents +ro, local @ #C has to be ,ade. Su++icient *uantity o+ sa+ety appliances such as hel,ets: +ace ,ark: hand gloves: Cru, boots: Apron: nose breather are ,ade available +or use at site.

!he tea, should be aware o+ operating procedures o+ +ire e3tinguisher to be used +or *uenching ,inor oil +ires. !he tea, should be aware o+ procedure to be +ollowed in case o+ accident involving inBury to personnel. !he tea, should be aware o+ reestablishing the operation in case o+ syste, stoppage due to +ailure o+ power supply.

3" G$)'6 M!5o%: Please re+er +ollowing checklists



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Page  of 51 DATE OF ISSUE:

ANNEXURE NO"1 T' No" D'!: UNIT: Lo.'!o$: M.5'$.'6 .5.8+ o$ M'$/'66 o*)'!% '6+

S) C5.8+ N o " %. $eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents (. !he na,eplate legend agrees with the approved NPCIL Plant No,enclature: is clearly visible: securely +i3ed: is durable and correlates with any re,ote labels. &. Installation correct and co,plete to latest drawings. . !est Reports and other docu,ents veri+ied and +ound in order. '. 0eavy valves are supported properly and independent o+ the pipeline. 8alve should not carry the load o+ the pipeline. /. Direction o+ +low ,arked and correct. 5. Access ade*uate +or adBust,ents: ,aintenance and repairs. 6. Ade*uate locking +acility e3ists. 7. 8alve gland and packing suitable and satis+actory. %9. Check that valve ste, actuating ,echanis, is lubricated with reco,,ended grade o+ grease. %%.
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ISSUE NO:01

REV NO:0

Page 1 of 51 DATE OF ISSUE:

indicating correctly and set correctly =i+ appropriate? Re,ote indication li,it switch ,ounted securely and set correctly =i+ applicable? Re,ote operating ,echanis, or e3tended valve spindle is securely installed and operates correctly. Ade*uate clearance to wall @ steelwork around hand wheel +or operation. 8alve le+t in closedE position Check +or uni+or, bolt si1e and length +or +langes. Check the bonnet and gland leak tightening and valve passing. Check the tightening o+ valve +lange and bonnet bolts.

PREPARED 

CHECKED 

REVIEWED 



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ANNEXURE NO"9 T' No" UNIT: Lo.'!o$:

D'!:

M.5'$.'6 .5.8+ o$ E6.!).'66 o*)'!% '6+

S) C5.8+ N o " 1" $eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents (. !he Na,eplate legend agrees with the approved NPCIL Plant No,enclature: is clearly visible: securely +i3ed: is durable and correlates with re,ote labels. &. Installation is correct; all Boints are properly tight and co,plete to latest drawings. 0eavy valves are supported properly and independent o+ the pipeline. 8alves should not carry the load o+ the pipeline. . !est Reports and other docu,ents veri+ied and +ound in order. '. Direction o+ +low ,arked and correct. /. Access ade*uate +or adBust,ents: ,aintenance and repairs. 5. 8alve gland and packing suitable and satis+actory. 6. Lubricate valve ste, and actuator gear bo3 with reco,,ended lubricant. 7. -echanical +reeness o+ the valve

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shall be checked by operating the valve ,anually in both the directions =open and close?. Position indicator visible and indicating correctly. Li,it switches ,ounted securely and set correctly. "3tended valve spindle: wherever envisaged: is installed and operates correctly. Ade*uate clearance to wall @ steelwork around hand wheel. 0and)gear clutch operation is satis+actory. =i+ +itted?. Leave valve in closed position and disengaged =i+ appropriate? +ro, the electric drive. -otor or solenoid actuator installation including cables and earthing appear to be co,plete.

PREPARED 

CHECKED 

REVIEWED 



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ANNEXURE NO"3 T' No" UNIT:

D'!: Lo.'!o$:

M.5'$.'6 .5.8+ o$ P$/2'!.'66 o*)'!% '6+ S)

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$eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents !he Na,e Plate legend agrees with the approved NPCIL Plant No,enclature is clearly visible: securely +i3ed: is durable and correlates with re,ote labels. Installation is correct and co,plete to latest drawings. !est Reports and other docu,ents veri+ied and +ound in order. Direction o+ +low ,arked and correct. Access ade*uate +or adBust,ent: ,aintenance and repairs. 8alve gland and packing suitable and satis+actory. Lubrication o+ valve and Actuator Suitable and satis+actory.
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indicating correctly. Li,it switches ,ounted securely and set correctly. Re,ote operating ,echanis, or e3tended valve spindly is securely installed and operates correctly. Ade*uate clearance to wall@steel work around hand wheel and actuator +or operation. Actuator isolating +acility operable. Leave isolated. Power air supply and control signal ,ediu, available and isolated. Ade*uate ,echanical stops +itted to prevent over travel on open or close operation. /rai# or ,"oout air"i#es a# reco##ect. Connect actuator isolator. "stablish power air and control signal air supplies. pen the valve by giving incre,ental signal air o+ ('F:'9F:5'F and%99F and check the valve operation. bserve +or air leakages and attend the sa,e : i+ any. Repeat the operation in reverse order = %99F to 9F? to check the valve operation in closing direction 8alve reverts to pre) deter,ined position when power air supply +ails=

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as speci+ied. Leave valve in closedE position

PREPARED 

CHECKED 

REVIEWED 



REV NO:0



D'!: Lo.'!o$:

M.5'$.'6 .5.8+ o$ H%)'/6.'66 o*)'!% '6+

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$eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents !he na,eplate legend agrees with the approved NPCIL Plant No,enclature is clearly visible: securely +i3ed: is durable and correlates with re,ote labels =i+ applicable?. Installation correct to latest drawings. !est Reports and other docu,ents veri+ied and +ound in order. Direction o+ +low ,arked and correct. Cover and +lange bolts tight. Access +or adBust,ents: ,aintenance and repairs. 8alve gland packing suitable and satis+actory. Lubrication suitable and satis+actory.
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REV NO:0

Page 1+ of 51 DATE OF ISSUE:

indicating correctly. Li,it switches ,ounted securely and set correctly. "3tended valve spindly is installed and operates correctly. Ade*uate clearance to wall @ steelwork around actuator. Counter)balance weight ade*uate. Ade*uate ,echanical stops +itted to prevent over travel on open or close operation. Ra, seal satis+actory and +ree o+ leaks. All pivots satis+actory and pivot pins secure. 0ydraulic pipes coupled. perate 8alve hydraulically +ully opened@ +ully closed condition and cheek +or Li,it switch operation Co,pare ,ini,u, hydraulic pressure re*uired to open and to close with Rated perating pressure. Leave the valve in closed position.

PREPARED 

CHECKED 

REVIEWED 



REV NO:0

Page 1. of 51 DATE OF ISSUE:

ANNEXURE NO"; T' No" UNIT:

D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ S'#! '6+

S) C5.8+ N o " 1" $eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents (. 8alve identi+ication labeling agrees with the approved NPCIL no,enclature: is clearly visible: securely +i3ed and is durable. &. Installation is co,plete and all Boints are tight. . !est Reports and other docu,ents veri+ied and +ound in order. '. "3pansion cha,ber: i+ +itted: is correct. /. "scape pipe work below and above roo+ level is correctly installed with provision +or e3pansion @ ,ove,ent. 5. Silencer support structure and anchorage is satis+actory. 6. All drains =e.g. +ro, valve body: e3pansion cha,ber: escape pipe work: silencer body? correctly installed and routed to dirty drains vessel. 7. "scape pipe routed to the sa+e area.

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Page 1 of 51 DATE OF ISSUE:

Cold setting o+ valve is appropriate to the working pressure =and te,perature?. !esting and setting o+ the sa+ety valve will be as detailed in the appropriate co,,issioning @ testing procedure.

PREPARED 

CHECKED 

REVIEWED 



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ANNEXURE NO"< T' No" UNIT:

D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ T)'*+

S) C5.8+ N o " 1" $eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents (. !he na,eplate legend agrees with the approved NPCIL Plant No,enclature is clearly visible: securely +i3ed and is durable and correlates with re,ote labels. &. Installation is correct: according to drawing and speci+ication; erection co,plete and trap is apparently unda,aged. . Direction o+ +low indicated is correct. '. Lagging co,pleted and satis+actory. /. !rap was clean be+ore +inal bo3ing. 5. !rap isolated and bypass opened pending energi1ing o+ ,ain plant ite,.

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#ti" stea% supp"- is a!ai"a,"e e#sure that f"o to rai# e)ists !ia the ,-pass* Close bypass. pen trap isolating valves. Con+ir, that when stea, te,perature is below trap operating te,perature +low e3ists. As stea, te,perature changes: con+ir, operation o+ trap at di++erent te,perature levels. 8eri+y that operating te,perature =rising? and operating te,perature =+alling? co,pares +avorably with the trap te,perature rating: and is recorded.

PREPARED 

CHECKED 

REVIEWED 



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ANNEXURE NO"= T' No" UNIT:

D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ A.!/'!o)+

S) C5.8+ N o " 1" $eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents (. !he na,eplate legend agrees with the approved NPCIL Plant No,enclature is clearly visible: securely +i3ed: is durable and correlates with re,ote labels. &. !he installation is co,plete and correct as per the approved drawings and speci+ications. . Precision reduction gearing unit properly lubricated. '. Local travel indicator: showing open@close positions set correctly. /. !or*ue@li,it switches are set correctly. 5. !urn the hand wheel a+ter engaging the clutch. !ry hand operation in both directions +or the

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co,plete length o+ travel to ensure that co,plete asse,bly is per+or,ing properly. Ade*uate access +or adBust,ents ,aintenance and repairers. Ade*uate clearance to wall @ steelwork around hand wheel. All the electrical works are co,plete and check on the e*uip,ents as per SCL co,pleted. Geep the valve in closed position. Check +or the proper tightness o+ the +lange bolts. Check +or the proper visibility o+ ,echanical local indicators +or the travel position Check that the checklist on actuator "lectric ,otor co,pleted as per SCL. Check that setting o+ Li,it Switches @ !or*ue switches are co,pleted and switches are correctly set. Provision +or ,aintenance: adBust,ents and repair is satis+actory. Ade*uate clearance e3ists around hand wheel and wall @ piping. Check that the reco,,ended grade o+ lubricants have been


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applied to Pri,ary and Secondary reduction gear units. !he #niversal coupling ,ade and lubricated satis+actory with reco,,ended grade o+ grease. e+ore operating on "le. Power: engage the clutch lever and ,anually operate the valve with hand)wheel; in the ,arked direction o+ rotation: both ways o+ the valve travel. It ensures the direction ,arked in hand)wheel is correct and the whole asse,bly is per+or,ing Check +or correct phase connection o+ the ,otor actuator. ring the valve blade in the ,iddle o+ the valve travel ,anually. Press the button in the Close direction bserve $ear o3 indicator and actuator indicator. oth ,ust travel in the close direction. I+ not then phase connection is wrong and ,ust be corrected. Check +or the correct setting o+ position li,it switches.

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closing over the last portion o+ travel ,ust be done using the hand wheel to prove the li,it switch operation. Note the ti,e taken during opening and closing perate the valve ,anually in both the direction +or its +ull travel and check it is +ree. Put valve into inter,ediate position using hand wheel. Switch on ,ains. Put the selector switch on ,anual ,ode. $ive short opening and closing i,pulses and check whether the valve ,oves in correct direction. I+ not then correct the sa,e. perate the valve +or its +ull travel in close and open direction. Check that the li,it switch operates when valve is +ull closed or +ull open. Issue the initial operation certi+icate.

PREPARED 

CHECKED 

REVIEWED 



REV NO:0


ANNEXURE NO"> I%$!" No" UNIT:

D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ P*6$ ++!2+

S) C5.8+ N o " 1" $eneral conditions satis+y the site Standing Instructions as listed in (.( Syste, Re*uire,ents (. !he na,eplate legend agrees with the approved NPCIL Plant No,enclature is clearly visible: securely +i3ed: durable and correlates with re,ote labels. &. !he installation is co,plete and correct in accordance with the latest approved drawings and speci+ication. . Access +or adBust,ents ,aintenance and repairs is satis+actory. '. Check that all bosses: +langes and tapping points have been ade*uately ,ade o++. /. Check that all cold pulls: i+ appropriate: have been ,ade and records co,pleted. 5. Check that all +ittings on the pipe work co,ply to the re*uire,ents o+ the relevant drawings +or that

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syste,. Check that all pipe +alls to drainage points are satis+actory. Con+ir, that all blanks re*uired in the syste, are ade*uately identi+ied and recorded in the lanks Schedule. Check that drains are provided at all points on the stea, range where water pay collect. Check that stea, traps are +itted with bypass and test connections. Con+ir, that all pipe work that can be touched +ro, walkways etc: and that reaches a te,perature o+ /9 deg C or over is ade*uately lagged. Check that the pipe work syste,: including supports: is +ree to e3pand and contract within its constraints: including +loor collars and wall bo3es. Check that ade*uate nu,ber o+ vents are provided on the pipe at highest points.

PREPARED 

CHECKED 

REVIEWED 



REV NO:0


ANNEXURE NO" T' No" UNIT:

D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ SUPPORTS

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Check that all supports are unda,aged +i3ed and ,ounted vertically: ="3cept where design re*uires the support at a speci+ied angle?. Check that all ,e,bers @ +asteners are installed and tightened correctly. Check that all support loadings have been correctly set and recorded. Con+ir,: where possible: that there is a radial clearance between the pipe and the support clip. Check that all roller and sliding supports are clean: +ree to ,ove and so constructed that dirt and water cannot accu,ulate. Check that all thrust@anchor points are correctly installed. Check that all the supports as re*uired as per the design have been ,ounted.
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REV NO:0


properly to open drain to clear o+ all debris +ro, pipe. !est the pipeline hydraulically to the relevant standard. Check that all te,porary supports have been withdrawn. Con+ir, ade*uate support +or s,all bore: hori1ontal pipes that ,ay be stood upon =or ade*uate protection +or the pipes and supports +or syste, not strong each to withstand additional loads?.

PREPARED 

CHECKED 

REVIEWED 



REV NO:0



D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ T'$8+ & V++6+

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Access to tanks 2 vessels is ade*uate. Illu,ination in the area near tank is ade*uate. Any other re*uisite sa+ety provision is ade*uate +or the i,,ediate co,,issioning activity. All necessary locks and keys +or padlocks interlocks etc. are available. 0ot sur+aces lagged +or screened su++iciently to provide protection +or personnel. $eneral conditions satis+y the site Standing Instructions as listed in (.(. !he Na,eplate legend agrees with the approved N!PC Plant No,enclature is clearly visible: securely +i3ed is durable and correlates with re,ote labels. Check that the installation and construction is correct to latest drawings and speci+ication. Check that internal and e3ternal access is sa+e and ade*uate. Check that provision +or ,aintenance: repairs: and adBust,ents: to +i3tures and +ittings is ade*uate. Check that all internal ite,s:

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grills: trays +ilter ele,ents etc. are co,plete and secure. Check that +loat valves i+ +itted are correctly installed and operating +reely. Check that tank is internally clean: +ree +ro, debris: and that the internal and e3ternal protective coating is to speci+ication and unda,aged. Check that all e3ternal +ittings: gauges and indicators are correct to speci+ication and securely +itted and supported. #nused bosses to be plugged or blanked o++. Check that all pipe work syste,s connected to the tank are co,plete at least to isolating valve local to tank: and that Boints are correctly ,ade. Check that +illing: over+low: vent and tank e,ptying arrange,ents are co,plete; at least to isolating valve local to tank: and that Boints are correctly ,ade. Check that all Boints are tight. Check that bunds are co,plete and sur+ace drainage arrange,ents are satis+actory. 0ydraulically test tank as appropriate and check +or leaks. Record i+ tank settle,ents are ,ade. Check that heating arrange,ents =stea, heating or electrical heating? is +itted: is to speci+ication and co,plete. Check that lagging and cladding =i+ re*uired? is co,plete to speci+ication. Check that support structure:


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(9. (%.

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(7.

&9.

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ladders and handrails are satis+actory. Check access doors =i+ +itted?. Check that painting o+ approved co lour has been done. Check all valves: switches: pressure switch etc. to their relevant checklists. Are the +ire protection arrange,ents in co,,ission and according to speci+icationH Are all access ,anhole covers +itted satis+actorilyH Can the roo+ ,anhole cover=s? be locked in the open positionH Are there suitable arrange,ents to prevent personnel and e*uip,ent +alling into the tank when the ,anhole is open =hinged lockable grid?H Con+ir, that the vent area is at least %.' ti,es the +illing pipe or suction pipe area =whichever is the greater? and +itted with a  ,, ,esh non)+errous wire cage.

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suitable pointH

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Do unding arrange,ents +or oil tanks co,ply with the re*uire,ents speci+ied +or the particular duty o+ the tankH Are the bund drainage arrange,ents ade*uate +or stor, water@+ire +ighting water drainageH Is the bund drain valve shut and can it be operated +ro, outside the bunded areaH Is the bund area +ree o+ all debrisH Is the tank base ade*uately drained to prevent accu,ulation o+ li*uid at the base o+ the tankH

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o+ internal and e3ternal e3a,ination. Check and set all associated valves and ,ountings to appropriate check sheets. Check that drain connections are led to a suitable drainage point. Check that access door readily accessible +or internal inspection. Check that ,ounting o+ pressure gauge: sight glass have been provided a+ter proper calibrations correctly installed: and can be read easily. Check application o+ e3ternal lagging etc. Check vessel is le+t in sa+e condition according to local instructions and environ,ental re*uire,ents. Pressure leak testing ,ay or ,ay not be part o+ the post SRCC co,,issioning procedure.

PREPARED 

CHECKED 

REVIEWED 



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D'!: Lo.'!o$: M.5'$.'6 .5.8+ o$ MAIN OIL TANK

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1.

GENERAL CONDITIONS SATISFY THE SITE STANDING INSTRUCTIONS AS LISTED IN 2.2 SYSTEM REQUIREMENTS

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Installation o+ ,ain oil tank as per its drawing is co,plete. Check that Strainer has been +itted and cleaned. !ank Level indicator installed and calibrated. il vapour e3hausters have been installed and checked. il piping work is co,plete and checked. Annunciation syste, +or ,a3i,u, and ,ini,u, level indication has been co,,issioned. Check that cleanliness o+ tank thoroughly =Cleaning should be done by cloth and not by cotton waste?. Check integrity o+ +oundations: grouting: anchor bolts: dowels etc. I+ pu,p and ,otor share a co,,on bedplate check that shi,s are +itted under both Check that all drains =$lands: pu,p casing: bed plate etc.? are piped to a suitable destination. Check that pu,p rotates +reely

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7.

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by hand. Re,ake pu,p coupling: and ensure that all guards are +itted. Check discharge pipe is properly supported as per the approved Drawing. btain a certi+icate +ro, erection@contractor +or the proper cleanliness o+ tank !ank ,ay be charged with oil. Check gland packing: establish gland sealing water +low and adBust gland as necessary. Check bearing lubrication syste, is satis+actory +or operation: and establish +low. Correct grade o+ Lubricating oils and greases have been applied. Check bearing cooling water syste, is satis+actory +or operation: and establish +low. Check that associated instru,ents =pressure gauges etc.? are +itted and in working order a+ter proper calibration. Pri,e pu,p: check +or leakage: and close vents and drains. Run pu,p on closed discharge +or short duration. Record starting and running current and no +lowE discharge pressure. Issue Record o+ Initial peration

PREPARED 

CHECKED 

REVIEWED 



REV NO:0



D'!: Lo.'!o$:

MECHANICAL CHECKS ON Ro!') *)o%/.!+ & #6!)+

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C5.8+ N o "

1.

GENERAL CONDITIONS SATISFY THE SITE STANDING INSTRUCTIONS AS LISTED IN 2.2 SYSTEM REQUIREMENTS

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!he na,eplate legend agrees with the approved N!PC Plant No,enclature is clearly visible: securely +i3ed: durable and correlates with re,ote labels. !he installation is co,plete and correct in accordance with the latest drawings and speci+ication. Provision +or adBust,ents ,aintenance and repairs is satis+actory. Reco,,onded grade o+ Lubricating oils and greases have been applied. Con+ir, =where possible and applicable? that oil rings are +ree to re,ove. Check that oil level in bearings can be ade*uately ,onitored. Con+ir, ade*uate +acilities +or +illing and draining the oil. I+ bearings are pressure +ed:

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con+ir, that pressure gauges: switches and ther,ocouples been +itted. I+ pressure +ed lubrication: con+ir, that oil +lows to each bearing. Con+ir, that pu,p spindle is +ree to turn. Con+ir, satis+actory coupling align,ent +igures ="rection Case 0istory? and that coupling is ,ade and lubricated satis+actory. I+ li*uid is in+la,,able or corrosive: check that gland spray guards +itted. Con+ir, gland leakage disposal arrange,ents satis+actory +or the +luid being pu,ped. Con+ir, pri,ing and drainage +acilities satis+actory +or the +luid being pu,ped.

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veri+y that vibration levels are within acceptable li,its. Con+ir, that pu,p pri,e can be established and ,aintained. Con+ir, integrity o+ pu,p glands and seals. y care+ully listening to the pu,p noise: establish any obivious signs o+ cavitation. Con+ir, satis+actory operation o+ the deloader@controller =positive displace,ent pu,p?. -onitor =where possible and appropriate? the +ollowing para,eters and record the stable levels Pu,p Suction Pressure. Pu,p Discharge Pressure. Pu,p Speed. Pu,p
PREPARED 

CHECKED 

REVIEWED 



REV NO:0




ISSUE NO:01

REV NO:0



D'!:

Lo.'!o$: MECHANICAL CHECKS ON S/2* */2*+ S)

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Co,ponents and
PREPARED 

CHECKED 

REVIEWED 



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ANNEXURE NO"14 T' No" D'!: UNIT: Lo.'!o$: MECHANICAL CHECKS ON O6 Ro!') *)o%/.!+

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Check that +acilities and access +or re,oval o+ baskets: and ,aintenance generally are convenient and ade*uate. Check that strainer baskets are in position: unda,aged: and are o+ correct ,esh. Carry out strainer change)over to ensure +reedo, o+ ,ove,ent where applicable. "nsure that strainer body and basket are +ree +ro, debris. I+ plant is ,otor driven: con+ir, that direction o+ rotation is correct. Check that position indicators are visible and operating correctly. Check that di++erential pressure gauges are +itted. Check operation o+ pri,ing valve: strainer body drain: and air cocks: +or ease o+ operation as appropriate. Con+ir, that +or an arrange,ent o+ two individual strainers in parallel the valves are interlocked to prevent both strainers being isolated together. Check that points on pipe work back to isolating valves are

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correctly ,ade: and that isolating valves are closed. 0ydraulically test strainer as appropriate: and check +or leaks. Check that drainage and venting +acilities are ade*uate. Con+ir, the integrity o+ all Boins: glands and seals. Con+ir, that the changeover +acility ade*uately isolates the non)working basket =i+ applicable?. I+ dual individual strainers: in parallel: con+ir, that each strainer can be ade*uately isolated +ro, the syste,: re,oved and cleaned. Con+ir, that: +or ,otor driven strainers: and the baskets rotate satis+actorily.

PREPARED 

CHECKED 

REVIEWED 



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ANNEXURE NO"1; T' No" UNIT:

D'!: Lo.'!o$: MECHANICAL CHECKS ON C$!)#/+

S) C5.8+ N o " 1" Check +or +reedo, o+ rotation. (. Check that the si1e o+ S.$. rings is correct +or +luid being handled. &. Check that seals are correct. . Check that cover is secure. '. Check that bedplate and holding down arrange,ent is secure. /. Check that drains syste, is co,plete. 5. Check that provision +or containing and draining spillage is ade*uate. 6. Check availability o+ ade*uate water supplies. 7.
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syste,. Check bowl discharge operation. Arrange dis,antling: cleaning: re)asse,bly and re)run by centri+uge. Record Initial peration details.

PREPARED 

CHECKED 

REVIEWED 



REV NO:0


ANNEXURE NO"1< T' No" UNIT:

D'!: Lo.'!o$: MECHANICAL CHECKS ON F6!)+

S) C5.8+ N o " %. Check direction o+ +low is correct and is ,arked. (. Carry out +ilter strea, changeover to ensure +reedo, o+ ,ove,ent where applicable. &. "nsure that +ilter body and plates are +ree +ro, debris. . I+ +ilter plant is ,otor driven: con+ir, that direction o+ rotation is correct. '. Check that position indicators are visible and operating correctly. /. Check that di++erential pressure gauges are +itted. 5. Drainage and venting +acilities ade*uateH 6. Con+ir, that +or an arrange,ent o+ two individual +ilters in parallel the valves are interlocked to prevent both +ilters being isolated together. 7. Check that Boints on pipe work back to isolating valves are correctly ,ade: and that isolating valves are closed. %9. Con+ir, cleaning and handling arrange,ents. PREPARED 

CHECKED 

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REVIEWED 



REV NO:0



4" D+$ $!$!+:

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REV NO:0


Commissioning Procedure For Pre-Commissioning Mechanical Checks Of Tg & Auxiliaries TAPP-3&4-41000-CP-1M

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