MOS for Instrumentation

8/9/2019 MOS for Instrumentation

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FIELD INSTRUMENTATIONINSTALLATION

ETHOD STATE ENT

FOR

FIELD INSTRU ENTATION INSTALLATION




Rev. No. Details Of Revision Date Prepared b !"e#$edb

Approvedb

%. O&'E!TI(E)

T"e ob*e#tive of t"is +et"od state+ent is to provide ,-idelinesfor inspe#tion of t"e field instr-+entation installation.

. S!O PE)

T"is +et"od state+ent #overs t"e a#tivit of fieldinstr-+entation installation for /-alit inspe#tions and tests.

0. REFEREN!ES)

T"e follo1in, do#-+ents are #onsidered as referen#e do#-+ent)

− Pro*e#t spe#ifi#ations.− Appli#able international #odes 2 standards.− Pro*e#t 3-alit Plan.− 3-alit Inspe#tion Plan.− Pro*e#t dra1in,s.

.4. A&&RE(IATIONS5DEFINITIONS)

6. RESPONSI&ILITIES)

− Area in #"ar,e E2I #"e#$s la o-t7 pro*e#t and t pi#alinstallation dra1in,s for t"e a#tivit .

− Area s-pervisor E2I a##o+plis"es t"e a#tivities ina##ordan#e 1it" dra1in,s. All relevant tests 1ill be




perfor+ed and res-lts 1ill be filled on FRMs 8refer torelated do#-+ents9.

− T"e #on#erned /-alit inspe#tor #"e#$s t"at t"e relevant1or$ is bein, #arried o-t in #onfor+an#e 1it" pro*e#tspe#ifi#ations7 P3Pand 3IP alon, 1it" t"e best en,ineerin,pra#ti#es. In #ase of non:#onfor+an#e at an sta,e7 it 1illbe #ontrolled b #orre#tive a#tion re/-est. If an inspe#tionplan is ,iven b #-sto+er7 t"e se/-en#e of inspe#tions 1illbe follo1ed a##ordin,l .

;. PRO!EDURE)

Follo1in, #"e#$s s"all be perfor+ed for t"e #o+pletion of a#tivities7in a##ordan#e 1it" t"e relevant pro*e#t spe#ifi#ations and referen#edo#-+ents.

− Mo-ntin, of instr-+ents s"all be in a##ordan#e 1it"lo#ation and detail dra1in,s alon, 1it" "oo$ -p details.

− Instr-+ent or e/-ip+ent to be installed s"all be inspe#tedto #"e#$ t"at its data +eets 1it" t"e spe#ifi#ation. T"einstr-+ent s"all t"en be e<a+ined for #alibration andinstalled at its intended lo#ation on bra#$ets7 a s-b:panel7+o-ntin, post or pedestal ens-rin, t"at it is leveled andfir+l se#-red.

− T"e instr-+ents 1"i#" re/-ire re:#alibration7 as spe#ified

b #-sto+er7 s"all t"en be ben#" tested 5 #alibrated prior to installation.

− Instr-+ents and asso#iated e/-ip+ent s"all be s-pportedin a##ordan#e 1it" +et"ods s"o1n on t pi#al dra1in,s.Instr-+ent lo#ation ,enerall s"o-ld not obstr-#te/-ip+ent a##ess or 1al$1a s. A #"e#$ s"all bei+ple+ented to ens-re t"at a##ess to "and valves ande/-ip+ent is not i+paired. Re:positionin, of #ontrol valve"and 1"eels or positioners +a be #arried o-t7 1it"approval of t"e #-sto+er.

− All instr-+ents and instr-+ent s#ales s"all be installed ina verti#al orientation 8-nless ot"er1ise spe#ified9. It is




ens-red t"at all indi#atin, instr-+ents s"all be readablefro+ floor level or per+anent ladders or platfor+s.

− All isolation7 vent and drain valves s"all be operateablefro+ per+anent platfor+ or ladders. ="ere #apillars ste+s are -sed7 t"e s"all be #ontin-o-sl s-pportedand prote#ted and an e<#ess len,t" neatl #oiled. T"einstallation s"all not introd-#e an standin, errors.

− Prote#tive en#los-res s"all be provided for instr-+ents asspe#ified and s"all be installed in lo#ations 1"ere

+a<i+-+ a##ess is provided for +aintenan#e p-rposes.

− !are s"all be ta$en t"at t"e for#es developed b t"ee<pansion of pipin, or vessels s"all not da+a,einstr-+ents or i+p-lse pipin,.

− !ontrol valves s"all be lo#ated in a##ordan#e 1it" pipin,detail dra1in,s and7 in ,eneral7 s"all be a##essible fro+floor level or per+anent platfor+s. !learan#e s"all beallo1ed above t"e #ontrol valve to allo1 for servi#in, of

t"e a#t-ator and belo1 for servi#in, t"e valve internals1"ere appli#able. S-itable #learan#es s"all also beallo1ed to ,ive a##ess to +an-al "and 1"eels and valvepositioners.

− !are s"all be ta$en in lo#atin, tappin, points to $eep t"ei+p-lse lines as s"ort as possible. Allo1an#e s"all also be+ade for 1it"dra1al as ne#essar .

>. TOOLS AND E3UIP ENTS)

− LN $e set.

− Spanners and 1ren#"es : Ri,"t t pe and si?e s"all be -sed.E<tension on spanners and 1ren#"es s"all not be -sed-nless t"e 1ren#"es are desi,ned for s-#" -se. A pipe1ren#" s"all not be -sed as a "a++er. A 1ren#" 8e<#eptsl-,,in, 1ren#"es9 s"all not be "a++ered to ti,"ten abolt.

− Pliers s"all not be -sed as 1ren#"es. It 1ill be ens-red t"ats#rap does not fl off and #a-se in*-r 1"en #-ttin, +etal




1it" pliers. Onl lon, "andled pliers s"all be -sed to #-t1ire -nder tension. Pliers 1it" ins-lated "andles s"all be-sed for ele#tri#al 1or$.

− Ha#$sa1s : !orre#t t pe of blade s"all be sele#ted to s-itt"e +aterial to be #-t. T"e blade s"o-ld be set in a"a#$sa1 fra+e so t"at t"e teet" are pointin, in t"e for1arddire#tion and s-ffi#ient tension s"all be applied to ens-ret"e blade is +aintained ri,id.

− Po1er tools : All portable po1er tools s"all be stored in

#lean dr #onditions. Po1er tools s"all not be left l in,aro-nd t"e *ob site 1"ere t"e +a be da+a,ed. Rotatin,tools s"all be s1it#"ed off and "eld -ntil rotation "as#o+pletel stopped before t"e are set do1n. Tools s"allbe dis#onne#ted before #"an,in, bits7 blades7 #-tters7 or 1"eels. All portable po1er tools s"all be e/-ipped 1it"properl f-n#tionin, @dead+an s1it#"es@.

− rindin, Ma#"ine : !are s"all al1a s be ta$en to ens-ret"at t"e ,rindin, 1"eel is free fro+ defe#t before +o-ntin,.

T"e proper si?e and t pe of 1"eel s"all be fitted to t"e toolso t"at t"e +a<i+-+ per+issible perip"er speed of t"e1"eel does not e<#eed t"e +a<i+-+ speed displa ed ont"e +a#"ine. No ,rindin, +a#"ine s"all be -sed -nless t"e+a<i+-+ speed is #learl +ar$ed on t"e #ase. All 1"eelss"all be fitted 1it" ade/-ate ,-ards.

B. HSE INSTRU!TIONS)

D-rin, 1or$7 t"e follo1in, pro#ed-res s"o-ld be adopted to ens-resafe 1or$in,.

− Pro#ed-re for #raina,e s"all be follo1ed for s"iftin, of #ontrol valves et# t"at "as been s-b+itted in o-r HSE+an-al.

− Fire e<tin,-is"ers s"o-ld be available near t"e vi#init of "ot 1or$.

− T"e follo1in, personal prote#tion 1ears s"all be -sed7 t"e

are)Safet "el+ets




Safet ,o,,les.

Safet s"oes.!otton ,loves.

− T"e s-pervisors s"all deliver toolbo< tal$ dail to t"e 1or$ers.

− All efforts 1ill be +ade to $eep t"e *ob site neat #lean andtid b re+ovin, t"e s#rap on dail basis.

B. RELATED DO!U ENTS)

MOS for Instrumentation

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