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PARTICULARSPECIFICATION
P2.6DOCUMENTATIONFORTHEWORKS
CONTENTS
P2.6 DOCUMENTATIONFORTHEWORKS.................................................................................. 2P2.6.1 Contractor'sResponsibilityforWorkconsequentuponChangestoApprovedDesigns
andDrawings............................................................................................................ 2P2.6.2 EngineeringDocumentstobeFurnishedbytheContractor........................................ 2P2.6.2.1 General..................................................................................................................... 2P2.6.2.2 Design....................................................................................................................... 2P2.6.2.3 DrawingStandards.................................................................................................... 3P2.6.2.4
Production,SubmissionandApproval....................................................................... 4P2.6.2.5 Definitionofworkingdaysforapprovalofsubmissions............................................. 8
P2.6.3 WorkingDrawings..................................................................................................... 8P2.6.3.1 HydraulicProfile........................................................................................................ 8P2.6.3.2 CivilOutlineDrawings............................................................................................... 8P2.6.3.3 PlantWorkingDrawings............................................................................................ 9P2.6.3.4 ProcessandInstrumentationDiagrams.................................................................... 12P2.6.3.5 ComplementaryDrawings....................................................................................... 13P2.6.4 RecordDrawingsandOperationandMaintenanceManuals.................................... 13P2.6.4.1 RecordDrawings..................................................................................................... 13P2.6.4.2 OperationandMaintenanceManuals...................................................................... 17P2.6.5 OtherSubmissions................................................................................................... 21P2.6.5.1
ContractorResponsibleforTesting.......................................................................... 21P2.6.5.2 Samples................................................................................................................... 21
P2.6.5.3 Manufacturers'andContractor'sCertificates........................................................... 21P2.6.5.4 ProgressPhotographs.............................................................................................. 22
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P2.6 DOCUMENTATIONFORTHEWORKSP2.6.1 Contractor'sResponsibilityforWorkconsequentuponChangestoApprovedDesigns
andDrawings(a) Wheremodifications,amendments,revisionsoralterationsarerequiredtobe
made
to
the
design
and/or
the
Works
at
any
time
on
account
of
site,
safety,
construction,anyotherconstraintsorreasons,theContractorshalladviseand
notifytheS.O.OnlywithpriorwrittenconsentfromtheS.O.,theContractor
shallthenproceedtoprovide,modify,amend,reviseand/oralterthedesign
asmaybenecessary.
(b) Subsequent toS.O.approvalofdesignand incorporatingthenecessary intothecivilandstructureworks,iftheContractorrequireschangesinvolvingthe
civil and structure works, including requesting for additional holes or
openings,theseshallbesubjecttotheapprovaloftheS.O.asfarassizeand
location are concerned and shall be formed by the Contractor at his own
expense. The Contractor shall also be responsible for all making good in
connectionwith
such
holes.
P2.6.2 EngineeringDocumentstobeFurnishedbytheContractorP2.6.2.1 General
TheClausesbelowdescribethevariousengineeringdocumentstobesubmittedbythe
Contractor to theS.O.and theprocedures forsubmittingandobtainingapprovalof
them.
P2.6.2.2 Design(a) ThedesignoftheWorksshallbeanintegralpartoftheContract. Suchdesign
shall include drawings, functional plans and general designs, diagrams,
detailed designs and working drawings for all aspects of the permanent
Works, includingtemporaryworkswhererequiredtogetherwithanyandall
other studies, investigations, computations, analyses and evaluations
necessary to comply with the requirements of the Specification and are
suitablefortheirpurpose.
(b) Alldesigns shallbecarriedoutaccording to specifiedor relevantStandardsand Codes of Practice, and shall comply with all Building and Safety
Regulations includingtheBuildingControlAct.TheContractorshallbe liable
for any defects/damage arising out from nonconformity and all necessary
remedialworkshallbecarriedoutattheContractorsowncostandtime.
(c) FunctionalplansanddesignsshallbebasedontheproposalssubmittedwiththeContractorsTender ifany,subjecttosuchmodificationstocomplywith
theSpecificationsastheEmployerandtheS.O.mayrequireundertheterms
oftheContract.
(d) Alldesigns,drawingsanddocumentsrelatingtodesignoftheWorksshallbesubmitted
by
the
Contractor
to
the
S.O.
for
review
and
approval.
Submissions
shall be accompanied by corroborative information and computations as
necessarytoenabletheS.O.tochecktheContractor'sdesigns.
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(e) AllsubmissionsshallbeinEnglish.(f) TheContractorshallbefullyresponsibleforthecontentofallsubmissionsto
theS.O. irrespectiveofthesourceororiginofinformationcontainedinsuch
submissions. All submissions irrespective of the source or origin of
informationshallbecheckedbytheContractorandendorsedassuchbefore
submission
to
the
S.O.
The
S.O
will
not
accept
submissions
for
review
unless
theserequirementshavebeenmet
(g) Approvalby theS.O.ofasubmissionbytheContractorshallmean thattheS.O.hasnoobjectioninprincipletothecontentofthesubmission,drawings,calculations, certificates, samples and the like and that the S.O. finds the
content of the submission good enough to allow the work relating to the
submissiontoproceed. ApprovalbytheS.O.shallnotrelievetheContractor
ofhis responsibilityunder theContract. Approvalwillbegivenonlyon the
basisof informationavailableat the time to theS.O.on theunderstanding
that subsequent events may require withdrawal or modification of such
approval.
(h) Reviewofdesigns,drawingsanddocumentsbytheS.O.shallmeanreviewinprinciple only and not verifying every dimension and detailed matter. The
Contractorshallberesponsibleforthedimensionsofproposedplantcouldfit
thebuildinglayoutasshownontheDrawingsoralayoutsubsequentagreed
bytheS.O.
(i) The Contractor shall carry out the Works only in accordance with designs,drawingsanddocuments,whichhavereceivedtheS.O.'swrittenapproval.
P2.6.2.3 DrawingStandards(a) DrawingssubmittedbytheContractorshallbeclearlyprintedwithblacklines
onwhitepaper,andshallberesistanttofadingonexposuretolight.
(b) Prints shall be on durable paper of good quality and 80gm/m2 minimumweight.SheetsizesshallbeinaccordancewithAseriestoISO216,andshall
notbelargerthanA1sizeunlessotherwiseagreedbytheS.O.
(c) AlldrawingssubmittedbytheContractorshallusetheEnglishlanguageandSIunits.
(d) Where drawings are revised, the revision letter or number shall beincorporated in the titleblockand the revisionshallbeclearly indicatedon
thedrawingwiththerevisionletterornumbershowninanadjacenttriangle.
The Contractor shall keep records of submissions and approvals and an
accurateuptodaterecordfileshallbekeptinhisofficeatalltimes.
(e) Anydrawingtypemayalsoberequiredinelectronicformat:(f) TheS.O.willadvisetheContractorwhichdrawingsarerequiredinthisformat,
and the Contractor shall forthwith provide them. Drawings, which are
required in electronic format shall be submitted on CDROM in a format
which isfullycompatiblewithAutocad2007or later,orMicrostationXMor
latersubject
to
the
agreement
with
the
S.O.
When
drawings
are
revised,
this
shall be done electronically and not manually,andCDROM containing the
revised filesofalldrawings,whichhavebeensupplied inelectronic format,
shallbesubmittedatthesametimeasthepaperprints.
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(g) After approval of the Contractor's draft record drawings, the Contractorshall prepare the final sets as specified. In addition, the final record
drawings shall also be provided in electronic format which is fully
compatiblewithAutocad2007orlater,orMicrostationXMorlatersubject
to agreement with the S.O. on CD ROM disks. Drawings shall be in both
DWGandDGNformat inaccordancetoCP83requirementsasdirectedby
the
SO.
Minimum
text
size
is
2mm
P2.6.2.4 Production,SubmissionandApproval(a) Theproduction,submissionandapprovalprocedurefordesigns,drawingsand
documentsshallcomplywiththefollowingrequirements:
(i) Thefollowingmeaningsshallapply:(1) "Preliminary drawings" means drawings which the
Contractorsubmits
to
the
S.O.
for
approval
and
any
drawingsreturnedbytheS.O.marked"Preliminary"ornot
marked"Approved".
(2) "Approved"drawingsmeansdrawings,whichtheS.O.hasendorsed accordingly and returned to the Contractor.
Approved in this context means that the work described
thereon may proceed as long as it complies with the
requirementsoftheContract.Adrawingwhichformspart
of an "Approved" design or document shall not be an
"Approved"drawingunlessithasbeensomarked.
(3) Approvaltoadesign,drawing,ordocumentmaybepartialorconditional. Suchdocumentswill,forexample,maybe
marked"Approved
in
respect
of......certain
parts...."
or
"Approved subject to..... actions to be taken by the
Contractorbeforetheworkdescribedcanproceed......". In
such instances the Contractor shall carry out the Works
only in accordance with approved parts or after the
conditionalactionshavebeencarriedoutandconfirmedto
theS.O.inwriting.
(b) Formofdrawings:
(i) Everydrawingshallhaveatitleboxinthebottomrightcorner
showing:
(1) Employer'snameandlogo.(2) Titleofscheme.(3) TitleofContract.(4) Contractor'sname.(5) Titleofworklocationandareacode.(6) Titleofdrawing.(7) Drawingnumber.(8) Date.(9) Author(10) Signature of Contractor (to the effect that the drawing,
whether his own or from any other source, has been
checkedby
him
before
submission
to
the
S.O.
(ii) Eachdrawingshallalsohaveaseparaterevisionboxwithspace forup to 10 revisions, and including revision number, revision date,
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revisiondescriptionandrevisioncheck. Itshallalsoincludeadequate
clearspacefortheS.O.'smarkings.
(iii) Drawingsshallbedrawntospecifiedscalesortosuchscalesasareappropriate for clearly detailing and conveying the Contractor's
proposals. Scalesshallgenerallybe1:2,1:5,1:10ormultiplesof10
thereof. Theappropriatemeasuringscalesusedshallbeshownon
the
drawings.
(iv) Drawings shall include cross referenceswhereappropriateand keyinformationsuchasvitallevelsanddimensions. Allplansshallshow
the"north"direction.
(v) TheS.O.willnotapproveanyunclearorambiguousdrawings.(c) Formofdesignsanddocuments
(i) DesignsanddocumentssubmittedbytheContractortotheS.O.forapprovalshallcomprisegenerallywhereapplicable:
(1) Contentslist.(2) Scope (description of the contents and purpose of thesubmission).(3) Conclusionsandrecommendations.(4) References, specification requirements, codes, manuals
and supporting documents used, drawing numbers, and
titlesofdrawingswhicharebasedonthedesign.
(5) Descriptionofdesignapproach.(6) Criteria, parameters, loading conditions, references to
CodeofPracticeandmethodsused.
(7) Testprocedures,analysesandresults.(8) Calculations and schedules. Where computer program is
usedintheanalysisanddesign,thesubmittalsshallinclude
basisof
using
the
program,
details
of
the
program
used
including the assumptions, methods used and its
input/output details. The Contractor shall also allow for
theS.O.tousetheprogramtochecktheanalysis ifthis is
deemed necessary by the S.O. at no extra cost to the
Contract.
(9) Qualitativedescriptionandcommentsonresults.(10) Anyotherrelevantinformation(11) Appendix.
(ii) Designs and documents shall be presented on A4 size paper with
everypagenumberedandboundinorderbetweencoversformedof
atransparent
front
and
stiff
back.
The
title
of
the
submission
shall
be
givenonthefrontsheetbeneaththetransparentcovertogetherwith
a reference number, Employer's name, title of scheme, title of
Contract, Contractor's name, title of works location, author's
reference, date, Contractor's signature, revision box and space for
S.O.'smarkingsasfordrawingsandanyotherrelevant information.
Drawings submitted as part of the design or document shall be
foldedintopocketsattheback.
(d) Numberingandtitling
TheContractor shallworkwith theS.O. to institutea referencenumbering
systemfor
designs,
drawings
and
documents
so
that
each
number
used
is
unique. The numbering and title information on designs, drawings and
documents shall be designed so that management, transmittal and
communicationinconnectiontherewithcanbecarriedoutexpeditiously.
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(e) Submissionprocedures(i) EverydrawingsubmittedbytheContractortotheS.O.forreviewand
approvalshallbe:
(1) Based on previously approved designs or documents.Interrelated
drawings
shall
be
submitted
at
the
same
time
in a complete and selfsufficient set. Copies shall be
collatedintoorderedbundleseachwithalistofcontents.
(2) Accompanied by a letter from the Contractor (not fromsubcontractors or suppliers). Revisions of previous
submissionsshallbehighlightedandthereasonsforthese
shallbestatedinthecoveringletter.
(3) EndorsedbyaProfessionalEngineer(PE),registeredintheappropriate discipline with the Professional Engineers
BoardofSingapore.
(ii) Alldesigns,drawingsanddocumentssubmittedbytheContractorto
theS.O.
for
approval
shall
be
checked
by
the
Contractor
before
submission.TheContractorshalllikewisechecksubmissionsfromhis
subcontractors or from any other source before passing on such
submissionstotheS.O.forapproval.
(iii) On completion of review, the S.O. will return the submission with
oneofthefollowingcomments:
(1) Approved"toallowworktoproceed.(2) "Approvedsubjectto"toallowworktoproceedsubjectto
statedamendmentsandconditions.
(3) "Not Approved revised submission required to includestated
requirements.
(iv) DrawingswithNotApprovedandApproved subject to statuses
shallberevisedandresubmittedwithinamaximumof14working
daysfromthedateofreturn.
(v) SubjecttoanyspecificrequirementsintheContract,allsubmissions
shallbemadesufficientlyearlytoallowtheS.O.timeforreviewand
approval,andfortheContractortoprovideandsubmitrevisionsor
alternatives.
(vi) Unless otherwise specified or agreed before submission, the
Contractorshallallownotlessthan20workingdaysexcludingweek
endsandpublicholidaysforreviewbytheS.O.ofdesignsdocuments
andsamples
which
are
required
to
be
approved
and
14
working
days
for review of resubmissions before manufacture or construction
commencesaspartof thePermanentWorks. TheContractorshall
have demonstrated in his submissions that he has coordinated
submissions by his subcontractor or suppliers to confirm that the
Contractorissatisfiedthattheyareacceptableforincorporationinto
theWorks.
(vii) IftheS.O.doesnotrespondtoanysubmissionwithinthespecified
numberofdays,thentheContractormayproceedwiththeworkbut
shall informtheS.O. inwritingthathe isproceedingwiththework.
AbsenceofresponsefromtheS.O.willnotrelievetheContractorof
hisobligationstomeetalltherequirementsoftheSpecification.
(viii)
TheS.O.
will
designate
the
address
of
his
review
office
in
respect
of
particulardisciplinesorworkfromtimetotimeduringtheContract.
AllsubmissionsshallbemadesufficientlyearlytoallowtheS.O.time
forreviewandapprovalofdrawings,documentsandsampleswhich
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arerequiredtobeapprovedbeforecommencementofmanufacture
ofplantorofinstallationorconstructiononsiteasthecasemaybe
and for the Contractor to provide and submit revisions or
alternatives,orcarryout furthertests if, in theopinionof theS.O.,
theinitialsubmissionsdonotmeettherequirementsoftheContract.
(ix) Whichever status Approved, Approved subject to or Not
Approved
the
S.O.
assigns
to
any
particular
drawings
designs
or
documents submitted for his review, will be based on the
information provided in the submitted drawings designs or
documents. ItshallbetheresponsibilityoftheContractortoensure
thatallrelevant information isprovidedtoenabletheS.O.toeasily
determine whether or not a submitted design complies with the
specificrequirementsor intentoftheSpecification. WheretheS.O.
assignsaninappropriatestatusduetolackofclarityorincompleteor
incorrect information submitted by the Contractor, this shall not
relieve the Contractor of his obligations to provide the Works in
compliance with the Contract. Any costs for abortive works or
redundantequipmentprovidedasaresultofsuchsituationsshallbe
borneby
the
Contractor.
(f) Programmeofsubmissions(i) The Contractor shall prepare a programme for submitting designs,
drawingsanddocuments to theS.O. forapproval.Theprogramme
shallprovidefortheS.O.'sreviewoftheContractor'ssubmissionsto
be undertaken at a reasonably steady rate of working. The
programmeshallalsomakereasonableprovisionforresubmissionof
not approved designs, drawings and documents and for the time
needed totransmitsuchdesigns,drawingsanddocuments. Delays
causedbytheneedforresubmittalsshallnotconstituteabasisfor
claim.No
designs,
drawings
and
documents
will
be
accepted
by
the
S.O. for reviewuntil theprogramme for their submissionhasbeen
approvedbyhim.
(ii) The S.O. may withdraw or modify his approval to an "Approved"
designdrawingordocumentasaresultofsubsequentsubmissions.
Inthiscircumstance,hewill informtheContractor inwritingofthe
withdrawal or modification and, upon receipt of such information,
theContractorshallimmediatelytakethenecessaryactioninregard
totheWorksandconfirmthistotheS.O.inwriting.
(iii) Theprogrammeforsubmissionofdesigns,drawingsanddocuments
shallbebasedonthefollowinggeneralorder,whichmayneedtobe
adjustedtofitparticularcircumstances:
(1) Outlinedesigncalculations;(2) Hydraulicprofile;(3) Basicdesigncriteria;
a. Preliminaryprocessandinstrumentation(P&I)diagrams
b. Controlsystemoverviewdrawings(4) Generalarrangementdrawings;(5) Generalcivilworksoutlinedrawings;(6) Detaileddesigncalculations;(7) DetailedP&Idiagrams;(8) Electricalsinglelinediagrams;(9) Substancesandproductsschedules;(10) Instrumentschedules;
a. Functionalplansandfunctionaldesignspecifications;b. DetailedICAdrawings;
(11) Fabricationandinstallationdrawings;
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(12) Plantdrawings.(g) Numbersofcopies
TheContractorshallsubmittotheS.O.forapprovalthree(3)A3sizecopiesof
allsubmissions. OnlyonecopygenerallywillbereturnedtotheContractor.
Only
by
exception
that
drawings
shall
be
prepared
and
submitted
in
A1
size
shouldthetextorcontentsofthedrawingsarenotlegibleonA3size.
(h) ApprovedDrawingsAfter approval, the Contractor shall submit to the S.O. three copies of all
"approved" drawings with the date of approval marked against a new
revision/issueof thedocument. Three (3)copiesofall "Approved"designs
anddocumentsshallalsobesubmitted.
P2.6.2.5 Definitionofworkingdaysforapprovalofsubmissions(a) In the context of time for approval by the S.O. of submissions by the
Contractor,andfornoother,"workingdays"shallmeanMondaytoFridayin
eachweek,andshallexcludeanypublicholidaysinSingapore. Thenumberof
workingdaysshallbecountedfromthenextworkingdayfollowingthedayof
deliverytotheofficeoftheS.O.untilthedaybeforethedayofdespatchfrom
theofficeoftheS.O.totheContractor.
P2.6.3 WorkingDrawingsP2.6.3.1 HydraulicProfile
(a) Hydraulic profile drawing for the Plant shall show top water levels for allrelevantwaterretainingstructures,chambersandchannelsfromtheinletto
thefinescreenstotheendofbioreactorbasinsforminimumandpeakinputs.
TheDrawingshallshowfreeboard,overflowweir levelsandupstreamwater
levelsunderoverflowsituations. Thedrawingshallbesupportedbydetailed
calculations.
(b) Allformulaeandcoefficientsusedwithsourcereferences(withcopiesofthereferences)andassumptionsmadeinthecalculationsshallbedetailed.
(c) ThehydraulicprofileandcalculationsshallbethefirstdesignsubmissiontobemadebytheContractorfortheS.O.'sapproval.
P2.6.3.2 CivilOutlineDrawings(a) CiviloutlinedrawingsshallbeinsufficientdetailtoenabletheS.O.tocheck
theContractorsstructuraldesignoridentifyanystructuralmodifications
proposedbytheContractortotheTenderDrawings. Theyshallshowplans
andsectionalviewswhichshallbedimensionedandshallshowindetailthe
necessaryworks
to
be
provided
including
details
of
loads
to
be
carried
and
thepositionsanddimensionsoffoundationsupports,largediameterpipe
runs,pipeanchorsducts,openingsinwallsandfloorsandthelike.
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(b) TheContractorshallnotethatallinformationgivenfortheexistingfacilitiesistoassisttheContractoratthetimeoftendering. Theinformationisnot
warrantedbytheS.O.andtheContractorshallmakeuseofandinterpretthe
sameonhisownresponsibility. Whereadditionsandextensionstoexisting
worksarerequiredtheContractorshallascertainbymeasurementatsitethe
actuallines,levelsanddimensionsofexistingworkstoenablehimtodetail
the
plant,
pipe
work
and
equipment
to
be
provided
so
that
they
will
fit
in
with
theexistingworks.InapprovingthesedrawingstheS.O.willnotacceptany
responsibilityforerrorsonlines,levelsordimensions.
P2.6.3.3 PlantWorkingDrawings(a) Drawingsforallitemsofplantconstitutinganoperatingsystemshallbe
submittedtotheS.O.concurrentlyandshallincludediagramsshowing
circuitfunctioninganddetailsforerection.
(b)
Plant
working
drawings
prepared
by
subcontractors
and
manufacturers
employedbytheContractorshallbecheckedbytheContractorforaccuracy
andcompliancewiththeContractasspecifiedbeforebeingforwardedtothe
S.O. Workingdrawings,notsocheckedandnoted,willberejectedand
returnedtotheContractorwithoutfurtherexamination.
(c) Whereapplicable,workingdrawingsforprocess,mechanical,electrical,instrumentationandsimilarplantshallincludebutnotbelimitedto:
(i) Pipingandinstrumentationdiagrams(P&IDs).(ii) Single linediagram forelectricaldistributionsystem frompointof
supplytofinalplantconnection.
(iii) General arrangement drawings of the Works fully developed toshowPlantlayoutanddimensions.(iv) General arrangement drawings for all items of Plant, drawn to
scale, fully dimensioned and showing weights, foundation details
and all clearances required for installation, operation and
maintenance.
(v) Fascialayoutdrawingsofswitchboardsandcontrolpanelsshowingcontrols, instrumentation, mimics and inscription details of all
labels.
(vi) Alarmannunciatorlayoutandengravingdetails.(vii) Electrical block, circuit and wiring diagrams for switchboards and
controlboards.
(viii) Supplementary block, circuit and wiring diagrams for integratedcontrol,protection,meteringandotherschemesasrequiredforacompleteunderstandingoftheContractor'sproposals.
(ix) Blockdiagramstoshowpower,controlandinstrumentationcablingsystems with each cable, cable core and associated equipment
terminalsidentifiedasinthecableschedules.
(x) Installation drawings showing cable routes and cable supportsystemdetails.Theseshallshowthenumbers,positionandsizesof
cabletraysandducts formajorcableroutes.TheContractorshall
detail which cables will be on which sections of tray. This will
demonstrate the adequacy of the Contractors design. For cables
installed in ducts and direct in the ground, the drawings shall
includesections
to
show
their
disposition
and
the
position
of
all
markerposts,cablejointsanddrawpits.
(xi) Cable schedules, which shall include the cable number, type,voltage, conductor cross sectional area, number of cores, origin,
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destination and route length. The schedules shall additionally
incorporate cable core ferrule and equipment terminal numbers
andthediagramnumber(s)ofconnectedequipment.Forelectrical
cables, the voltage drop at full load, current rating, and loading
shallalsobelisted.
(xii) Lighting Schedule including the area and the typeof lighting andthe
IP
rating
and
Zone
classification
(
if
applicable
)
and
the
quantityoflightsandtheilluminationlevels
(xiii) Single linediagramshowingtheelectricalsystemneutralearthing,earth terminal(s) and electrode(s), and all circuit protective and
equipotentialbondingconductors.
(xiv) Earthing installation layout showing conductor routes and thelocation of earth terminal(s), test links, earth electrodes and
associated connecting chambers including instrument earth
system.
(xv) Earthterminalgeneralarrangement.(xvi) Lightning protection system installation drawings showing air
terminationdetails,
the
location
and
route
of
down
conductors,
the
location of bonds, test points and earth electrodes, and the
locationofbondingpointsinreinforcedconcretestructures.
(xvii) Installation drawings for chemicals, waste, sludge disposal, watersupply,andsewageandwastewatersystems.
(xviii) Fabrication drawings for metalwork including platforms, floorplatesandframes,handrailings,etc.
(xix) Diagramsshowingflowpathsandcircuits,descriptions,dimensionsand capacities ofwater treatmentprocessunits,andpiezometric
levels corresponding to average and maximum flow rates and to
differentoralternativetreatmentprocesses,accompaniedbyproof
ofcomputations
(xx) Complete and detailed schedules listing all items of plant,instruments and ancillary equipment to be supplied by theContractor.
(1) Control Room Layout: This shall include both plan andrenderedperspectiveviewsoftwoalternativecontrolroom
layoutoptions.
(2) ExtraLowVoltageRoom/ICAEquipmentRoomLayout:Thisshall include both plan and elevation views of space
utilization;
(3) Motor and Drive Data sheets for all motors exceeding 1.5kWwithdetailsinlcudingManufacturer,kWrating , Rated
Voltageand Current ,Enclosure IP rating ,Efficiency class,
compliance
to
IEC
standards
and
all
others
necessary
references forvalidatingtheMotor/Drivesuppliedbythe
vendor/Contractor
(4) InstrumentSchedule: Thisshalllistallinstrumentationitems(including actuated valves) area by area in loop number
order. Foreach instrument item the InstrumentSchedule
shall asaminimum list the size, make,exact model,P&ID
reference, range and calibration, loop diagram reference,
servicedescription,andlocationdrawingreference.
(5) PLC / Control System I/O (Input / Output) AddressSchedules&Fieldbussegmentassignment lists: Theseshall
listall inputsandoutputs to thePLC /control system. I/O
shallbe
listed
in
address
order,
and
grouped
into
cards
or
module blocks if applicable. For each address record, the
tagnumberandservicedescriptionoftheconnecteddevice,
the I/O type (420 mA analogue input, 24 V DC digital
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output, fieldbus etc), the loop diagram/fieldbus
segmentation drawing reference and the P&ID reference
shall be listed. In the case of analogue parameters the
correspondingrangeinengineeringunitsshallalsobelisted.
Eg 420 mA = 0 100 l/sec. Spare registers assigned for
analogueanddigital signalsand fieldbusdata shallalsobe
listed.
(6) Instrument Datasheets: A unique datasheet shall besupplied for each instrument, identified by instrument tag
number. Thedatasheetshalllistallinformationrequiredto
replace and recommission the instrument in the event of
damageorfailure. Thisshall includethefinalsettingsofall
setup parameters stored in the instrument and process
conditions(pressure,temperature,flowandotherapplicable
variables).
(7) ICA Panel Layout Drawings: For each different panel(including field interface (FNI) panel or junction box a
detaileddrawing
of
both
the
internal
and
external
layout
shall be provided. Drawings showing the internal layout
shallclearlyshowhowsegregationof230VACand24VDC
wiringhasbeenachievedwithinthepanel. Fieldconnection
boxesusedsolelytoterminateflyingleadstocablesshallnot
require layout drawings. In the case of multiple identical
junctionboxesor fieldmotor stop/ startstations,a single
typical panel layout drawings shallbe acceptable provided
suchdrawingsareclearly labelledas toall thepanels they
describe.
(8) PanelPowerDistributionDrawings;Theseshallclearlyshowthe distributionof power at different voltage levelswithin
eachpanel.
Drawings
should
be
specific
including
showing
which items are supplied from each fuse or MCB. The
drawing shall also show the instrument earth connection
arrangements.
(9) Instrument Location Drawings: The location of eachinstrument (including control valves) shall be shown
(identified by tag number) on an instrument location
drawing which shall also show the location of major
equipmentitemsandroutingofmaincabletraysandducts.
Inplantareaswhereafieldbusisbeingused,theinstrument
locationdrawingsshallshowthefieldbussegmentation.
(10) Instrument Loop Diagrams: An instrument loop diagramshowing
all
connections,
cables,
terminals
etc
for
all
devices
carrying the same loopnumber shallbeprovided foreach
loopconnectedusingconventionalwiring. The instrument
loop diagram shall provide all information required to
troubleshoota loop ie. A technicianshallbeable to trace
the electrical signal from field instrument through any
junctionboxesandsignalisolatorstotheinputterminalsofa
controller, any power supplies shall also be shown. The
requirementfor loopdiagrams isnot limitedtoclosedloop
analogue control loops but applies to all instruments and
folddevices. TheseshallbeA3sizedrawings.
(11) Fieldbus Segment Drawings: A fieldbus segment drawingshall
be
provided
for
each
fieldbus
segment.
It
shall
show
thegeneralsegmenttopologyanddetailsofdevicesonthat
segment.Inadditionitshallshowdesignconstraintssuchas
segment and spur length, voltage drop and current draw,
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loop execution requirements, and placement of power
supplies,powerconditioners,andterminators.
(12) Instrumentinstallation,wiringandpipinghookupdrawings:(13) Whereapplicable,installation,wiringandhookupdrawings
shallbesubmitted.Theseshallbedetailedineveryrespect.
(14) Logic Diagrams: These shall provide a detailed record ofhow
the
control
system
has
been
configured.
That
is
what
sequences and operations the plant performs under both
normalandfaultconditionsthealarmsshallbedescribedin
detail. TheseshallfolloworatleastbesimilartotheSAMA
(ScientificApparatusMakersAssociation)format.
(15) ControlSystemOverviewDrawing: Thisdrawingshalldepictthe general structure of the control system detailing the
variouscomponents includingdetailingthecontentsofany
controlequipmentracks(processors, I/Omodulesetc),any
communication links between racks, operator interface
stations (e.g SCADA terminals touch screen panels, alarm
annunciators).Any
communications
links
shall
be
labelled
as
totheirprotocolandparameters(egbaudrate,parity,stop
bits).
(16) Control System Software Listing: A full printout from theproprietary control system programming tools shall be
provided. Thisshallincludebutnotbelimitedtoalistingof
used and spare addresses, PLC program listing, report
generation listinganddatabase listing. Theelectronicdata
files (ie. code and documentation databases) necessary to
maintain or modify the system configuration shall be
suppliedwiththeasbuiltdrawings.
(17) I/OConnectionDiagrams: ForcontrolsystemI/Oconnectedto
non
field
devices
(eg
to
MCCs),
connection
diagrams
meeting the same requirements as Instrument Loop
Diagramsshallbeprovided.
(xxi) Listofsafetysignsanddrawings.(xxii) Any additional drawings required to supplement those identified
aboveandforotherworknotspecificallyidentified.
P2.6.3.4 ProcessandInstrumentationDiagrams(a) The Contractor shall provide comprehensive process and instrumentation
diagrams(P&IDs)
for
the
whole
of
the
Works.
These
shall
include
but
not
be
limited to showing every line, channel, tank, valve, pump, fan, instrument,
system for control or automation or other item of equipment in symbolic
form.Anydemarcationofcontractscopeshallbeclearly shownas shallbe
interfaces between future, new and existing plant. All equipment and tag
numbers shall be shown. Equipment names shall be shown. Functions and
signalsembeddedwithinthePLCsandSCADAsystemshallalsobeshownin
accordance with ISA and other appropriate standards. This shall include a
clear depiction of the operation of every analogue control loop and a
summarisedor indicative indicationof theoperationofany logic interlocks.
The P&IDs shall also indicate the interface between such items as control
panels,separate installations,buildings,roomsetc.Every itemofequipment
andevery
line
shall
be
numbered
in
accordance
with
the
specified
numbering
system. Full use shall be made of varying line thickness and the like to
optimisethereadabilityoftheP&IDs.
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(b) TheP&IDsshallbeoneoftheearlyPlantrelateddocumentsanddrawingstobe submitted by the Contractor for the S.O.'s approval. Until the S.O. has
given approval to the P&I Ds he will not be given approval to other
submissions.
(c) TheP&IDsshallcomplywithBS1646andBS1553.
P2.6.3.5 ComplementaryDrawings(a) TheContractorshallsubmitsuchfurtherdetaileddrawingsofthePlantand
any other equipment being provided under the Contract as the S.O. may
requireforaproperunderstandingoftheWorks.
(b) Thesecomplementarydrawingswillnotformpartoftheapproveddrawings,butshallbe includedasappropriatewiththerecorddrawings,theoperating
instructionsandtheoperationandmaintenancemanual.
(c) Suchdrawingsmayincludebutnotnecessarilybelimitedto:(i) Sectionalanddetailarrangementdrawings.(ii) Circuitdiagramsforelectricalequipmentwhichshallincludewireand
terminal numbers and circuit references and ratings for all
components.
(iii) ComponentpartschedulesforeachitemofPlantwithreferencestotheassociateddrawings.
(iv) Valve schedule listing each valve with identification number, size,type,connections,rating,figurenumberandduty.
P2.6.4 RecordDrawingsandOperationandMaintenanceManualsP2.6.4.1 RecordDrawings
(a) The Contractor shall provide record drawings of the Works endorsed asbuilt by the Professional Engineer to show the whole of the Plant as
installed and incorporating any modifications made during erection and
commissioning.Theseshallincludeallsuchdrawings,diagramsandschedules
asarenecessaryforacompleteunderstandingoftheWorksincludingdetails
of any "boughtin" items and any items shown as "blocks" on the main
drawings.
(b) Information given on record drawings shall include tolerances, clearances,loadings,finishes,materialsandratingsofplant. TheContractorshallensure
thattheapprovedandcomplementarydrawingsaremarkeduptoshowthe
Plantasinstalledandtwocopiesofsuchmarkedupprintsshallbesubmitted
to the S.O. for approval prior to the preparation of record drawings.
SubmissiontoandapprovalbytheS.O.ofrecorddrawingsshallbeacondition
precedenttotheissueoftheCompletionCertificate.
(c) Final record drawings shallbe submitted to theS.O.not later than threemonths after the issue of the Substantial Completion Certificate. The
Contractorshall
submit
two
sets
of
A1
paper
prints,
two
sets
of
A3
paper
prints, two sets of CD ROM PDF format and two sets of CD ROM DWG
format. However theS.O.may require theearly submissionof structural,
architectural,civiloutlineoranyothertypeofdrawingasmayberequired
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forsubmissionstoBCAandotherstatutoryauthorities inordertoachieve
TOP and other certification required for hand over of the works. The
contractor shall submit these drawings in the required format to allow
eitherhardcopysubmissionoresubmission.
(d) Inadditiontothesetsspecifiedabove,onecopyofeachrecorddrawingatreduced
scale
(A3
folded)
shall
be
included
in
each
copy
of
the
operation
andmaintenancemanuals. Thedrawings,andparticularlydimensionsand
notes,shallbepreparedsothatthedrawingsarestilllegibleatthissize. If
in theS.O.opinion thedrawing isnot legibleorclearat this reducedsize
thenthedrawingshallbeinsertedinaclearpocketattheoriginalsize.
(e) CopiesoftheapprovedrecorddrawingsshallalsobesubmittedonCDROMdisc.
(f) The drawing files on CD ROM shall be compatible with the Employerscomputeraideddesign softwarewhichwillbenotified to theContractorat
theappropriatetime.
(g) Recorddrawingsshallincludebutnotbelimitedto:(i) Pipingandinstrumentationdiagrams(P&IDs).(ii) Single line diagram for electrical distribution system from point of
supplytofinalplantconnection.
(iii) GeneralarrangementdrawingsoftheWorks.(iv) Building structural works including piling Asbuilt piling plans
(Depth Penetration Plan) with surveyor endorsement to be
submitted within 28 days after completion of piling works as
requiredbyBCA
(v) ArchitecturalelementoftheWorks(vi) GeneralarrangementdrawingsforallitemsofPlant,drawntoscale,fullydimensioned.(vii) Fascia layoutdrawingsof switchboardsandcontrolpanelsshowing
controls,instrumentation,mimicsandinscriptiondetailsofalllabels.
(viii) Alarmannunciatorlayoutandengravingdetails.(ix) Electrical block, circuit and wiring diagrams for switchboards and
controlboards.
(x) Supplementary block, circuit and wiring diagrams for integratedcontrol,protection,metering.
(xi) Blockdiagramstoshowpower,controland instrumentationcablingsystems with each cable, cable core and associated equipment
terminalsidentifiedasinthecableschedules.
(xii) Drawings showing cable routes and cable support system details.Theseshallshowthenumbers,positionandsizesofcabletraysand
ducts for major cable routes. The contractor shall detail which
cablesareonwhichsectionsoftray.Forcablesinstalledinductsand
directintheground,thedrawingsshallincludesectionstoshowtheir
disposition and the position of all marker posts, cablejoints and
drawpits.
(xiii) Cableschedules,whichshallincludethecablenumber,type,voltage,conductorcrosssectionalarea,numberofcores,origin,destination
androutelength. Theschedulesshalladditionallyincorporatecable
core ferrule and equipment terminal numbers and the diagram
number(s)ofconnectedequipment.Forelectricalcables,thevoltage
dropat
full
load,
current
rating,
and
loading
shall
also
be
listed.
(xiv) Single line diagram showing the electrical system neutral earthing,earth terminal(s) and electrode(s), and all circuit protective and
equipotentialbondingconductors.
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(xv) Earthing installation layout showing conductor routes and thelocation of earth terminal(s), test links, earth electrodes and
associatedconnectingchambersincludinginstrumentearthsystem.
(xvi) Earthterminalgeneralarrangement.(xvii) Lightning protection system installation drawings showing air
terminationdetails,the locationandrouteofdownconductors,the
location
of
bonds,
test
points
and
earth
electrodes,
and
the
location
ofbondingpointsinreinforcedconcretestructures.
(xviii) Drawings for chemicals, waste, sludge disposal, water supply andsewageandwastewatersystems.
(xix) Diagrams showing flowpathsandcircuits,descriptions,dimensionsand capacities of water treatment process units, and piezometric
levels corresponding to average and maximum flow rates and to
differentoralternative treatmentprocesses,accompaniedbyproof
ofcomputations.
(xx) ControlRoomLayout(xxi) Instrument Schedule: This shall list all instrumentation items
(including actuated valves) in loop number order. For each
instrumentitem
the
Instrument
Schedule
shall
as
aminimum
list
thesize,make,exactmodel,P&IDreference,rangeandcalibration,
loopdiagram reference, servicedescription,and locationdrawing
reference.
(xxii) PLC / Control System I/O (Input / Output) Address Schedules &Fieldbus segment assignment lists: These shall listall inputsand
outputstothePLC/controlsystem. I/Oshallbe listed inaddress
order,andgrouped intocardsormoduleblocks ifapplicable. For
eachaddressrecordthetagnumberandservicedescriptionofthe
connected device, the I/O type (420 mAanalogue input,24 Vdc
digital output, fieldbus etc), the loop diagram/fieldbus
segmentation drawing referenceand theP&ID reference shallbe
listed.In
the
case
of
analogue
parameters
the
corresponding
range
inengineeringunitsshallalsobelisted. Eg420mA=0100l/sec.
Spare registers assigned for analogue and digital signals and
fieldbusdatashallalsobelisted
(xxiii) Instrument Datasheets: A unique datasheet shall be supplied foreach instrument, identified by instrument tag number. The
datasheet shall list all information required to replace and re
commissiontheinstrumentintheeventofdamageorfailure. This
shallincludethefinalsettingsofallsetupparametersstoredinthe
instrument and process conditions (pressure, temperature, flow
andotherapplicablevariables).
(xxiv) ICAPanelLayoutDrawings: Foreachdifferentpanelorjunctionbox
adetailed
drawing
of
both
the
internal
and
external
layout
shall be provided. Drawings showing the internal layout shall
clearly show how segregation of 230 VAC and 24VDC wiring has
beenachievedwithinthepanel. Fieldconnectionboxesusedsolely
to terminate flying leads to cables shall not require layout
drawings. Inthecaseofmultiple identicaljunctionboxesor field
motor stop / start stations,a single typicalpanel layoutdrawings
shallbeacceptableprovidedsuchdrawingsareclearly labelledas
toallthepanelstheydescribe.
(xxv) Panel Power Distribution Drawings: These shall clearly show thedistributionofpoweratdifferentvoltage levelswithineachpanel.
Drawings should be specific including showing which items are
suppliedfrom
each
fuse
or
MCB.
The
drawing
shall
also
show
the
instrumentearthconnectionarrangements.
(xxvi) Instrument Location Drawings: The location of each instrument(includingcontrolvalves)shallbeshown(identifiedbytagnumber)
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on an instrument location drawing which shall also show the
locationofmajorequipmentitemsandroutingofmaincabletrays
and ducts. In plant areas where a fieldbus is being used, the
instrumentlocationdrawingsshallshowthefieldbussegmentation.
(xxvii) InstrumentLoopDiagrams:Aninstrumentloopdiagramshowingallconnections,cables,terminalsetcforalldevicescarryingthesame
loop
number
shall
be
provided
for
each
loop
connected
using
conventionalwiring. Theinstrumentloopdiagramshallprovideall
informationrequiredtotroubleshoota loop ie. Atechnicianshall
beabletotracetheelectricalsignalfromfieldinstrumentthrough
anyjunctionboxesandsignal isolatorstothe inputterminalsofa
controller, any power supplies shall also be shown. The
requirement for loop diagrams is not limited to closedloop
analogue control loops but applies to all instruments and fold
devices.
(xxviii) Fieldbus Segment Drawings: A fieldbus segment drawing shall beprovided for each fieldbus segment. It shall show the general
segment topology and details of devices on that segment. In
additionit
shall
show
design
constraints
such
as
segment
and
spur
length, voltage drop and current draw, loop execution
requirements, and placement of power supplies, power
conditioners,andterminators.
(xxix) Instrument installation, wiring and piping hookup drawings:Where applicable, installation, wiring and hookup drawings shall
besubmitted.Theseshallbedetailedineveryrespect.
(xxx) LogicDiagrams:These shallprovideadetailed recordofhow thecontrol systemhasbeenconfigured. That iswhatsequencesand
operations the plant performs under both normal and fault
conditions the alarms shall be described in detail. These shall
follow or at least be similar to the SAMA (Scientific Apparatus
MakersAssociation)
format.
(xxxi) Control System Overview Drawing: This drawing shall depict thegeneral structure of the control system detailing the various
components including detailing the contents of any control
equipmentracks(processors,I/Omodulesetc),anycommunication
links between racks, operator interface stations(eg SCADA
terminals,touchpanels,alarmannunciators).Anycommunications
linksshallbelabelledastotheirprotocolandparameters(egbaud
rate,parity,stopbits).
(xxxii) Control System Software Listing: A full printout from theproprietary control system programming tools shall be provided.
Thisshall includebutnotbe limitedtoa listingofusedandspare
addresses,
PLC
program
listing,
report
generation
listing
and
database listing. The electronic data files (ie. code and
documentation databases) necessary to maintain or modify the
systemconfigurationshallbesuppliedwiththeasbuiltdrawings.
(xxxiii) I/O Connection Diagrams: For control system I/O connected tononfielddevices (egtoMCCs),connectiondiagramsmeeting the
samerequirementsasInstrumentLoopDiagramsshallbeprovided.
(h) InadditiontotherecorddrawingsdetailedabovetheContractorshallprepareonesetofrecorddrawingsinaformattoassisttheQPwiththe
finalsubmissionstotheregulatoryauthorities. Thecopyshallbemarked
upasrequiredbytheauthoritiestoindicateallthechangesfromthe
approveST
and
BP
preliminary
submission
drawings.
There
shall
be
short
descriptionstoindicatethebasisforeachchange. Theformatofthese
drawingsshallcomplywiththerequirementsoftherelevantauthoritiesto
ensureswiftapprovaloftherequiredpermits.Thesemayincludebutmay
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notnecessarylimitedtoBuildingandConstructionAuthority(BCA),
SingaporeCivilDefenceForce(SCDF),FireServiceBureau(FSB),PowerGas,
PowerGrid,PowerSupply,PublicUtilitiesBoard(PUB),InfoCommunications
DevelopmentAuthority(IDA),MinistryoftheEnvironment(ENV),JTC
Corporation(JTC),UrbanRedevelopmentAuthority(URA),Housingand
DevelopmentBoard(HDB),LandTransportAuthority(LTA), Ministryof
Manpower
(MOM),
Ministry
of
Defence
(MINDEF),
Civil
and
Aviation
AuthorityofSingapore(CAAS),EnergyMarketsAuthority(EMA),etc.
P2.6.4.2 OperationandMaintenanceManuals(a) The Contractor shall catalogue the information/data of the Operation and
MaintenanceManualinthefollowingmanner:
(i) one(1)finalhardcopyandtwo(2)setselectronicCDROMversion in
theformatoutlinedbelow;and
(i) Operation & Maintenance Manual System (OMMS) and ComputerMaintenanceManagementSystem (CMMS) in the format/guidelinesetouttheGeneralSpecifications
(b) The Contractor shall submit the operation and maintenance manuals forapprovalbytheS.O. Submissionto,andapproval,subjecttocomments,by
the S.O. of the operation and maintenance manuals shall be a condition
precedenttotheissueoftheCompletionCertificate.
(c) The operation and maintenance manuals shall cover the setting to work,commissioning, testing, operation and maintenance of the Works. The
greatest importance isattachedtocompletenessandclarityofpresentation.
Itshall
be
`user
friendly'
bearing
in
mind
that
the
users
will
be
technicians
and
engineersintheemploymentoftheEmployer.
(d) The preparation of the manuals shallbe carriedout bypersonnel whoaretrained and experienced in the operation and maintenance of the Plant
described and are skilled as technical writers to the extent required to
communicate essential data and are competent to prepare the required
drawingsanddocumentation.
(e) A collection of standard pamphlets of a general nature unaccompanied bydrawingsanddescriptivematterrelatingtoitemsofplantasinstalledwillnot
be acceptable. In particular, information supplied by subcontractors and
manufacturersemployed
by
the
Contractor
shall
be
co
ordinated
into
the
comprehensivemanual.Crossreferencingofdescriptivematter,drawingsand
sparepartlistsmustbecomplete.
(f) ThemanualsshallbeinEnglish,shallbesecurelybound,andpagesshallbeofA4sizetoISO216orfoldedtothatsizeinalooseleafhardcoverbinder,using
notmorethan70%ofthebindercapacity.
(g) Theformatofthemanualsshallbewhitepaperfortypedpageswithneatlytypewritten textexcept formanufacturers'printeddata. Drawings shallbe
provided with a punched reinforced binder tab for binding into the text.
Drawings shall be so sized that they may be folded to the size of the text
pages.
(h) Allpagesshallbeclear, legibleandpermanent.Offsetprintingormultilith ispreferable, but electrostatic or photocopies will be acceptable if clear and
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permanent. Pagenumbersshallbeprovidedforeachsectiontoalloweasier
reference.
(i) Eachvolumeofthemanualshallbeidentifiedbothonthefrontcoverandonthe spine,with the typedorprinted title "OPERATIONANDMAINTENANCE
INSTRUCTIONS", the title of the project, including the Contract reference
number,
and
the
identity
of
the
general
subject
matter
covered
in
the
manual. The text and drawings shall be placed in commercial 3 or 4 ring
binderswithdurableandcleanableplasticcovers. Whenmultiplebindersare
used,theinstructionsshallbecorrelatedintorelatedconsistentgroupings.
(j) ThedesignforfrontcoverandspineofeachvolumeincludingcolourandsizesofletteringandlogoetcwillbeprovidedbytheS.O.
(k) Each O&M manual volume shall contain a neatly typewritten table ofcontentsarranged inasystematicordergiving:nameofContractor,address
andtelephonenumber,a listofeach itemofPlant included,anindextothe
contentsofthevolumeanda listofeachplantitemwiththename,address
and
telephone
number
of
any
subcontractor
or
installer.
Only
the
manufacturer'sprinteddatawhich ispertinent tothespecificPlantshallbe
included. Each sheet of manufacturers' instructions shall be annotated to
identify clearly the specific item or part installed and the instructions
applicabletothatitemorpartofthePlant. Allinapplicableinformationshall
bedeleted. Plantdatashallbesupplementedwithdrawingsasnecessaryto
illustrate clearly component parts of equipment and systems, control
diagrams,flowdiagrams,andtestprocedurescoveredinthemanual.Written
text shall be as required to supplement the Plant data for that particular
installation. Written text shall be organised into a consistent format under
separate headings for different procedures and in a manner to provide a
logicalsequenceofinstructionsforeachprocedure.
(l) Theoperationandmaintenancemanualsshalldescribe the installationasawholeandshallgiveastepbystepprocedurewithassemblydrawingsforany
operation likely to be carried out during the life of each item of plant,
including its erection, commissioning, testing, operation, maintenance,
dismantling and repair. Manuals shall identify and cover aspects liable to
affectotherinstallationsandshallincludeallhealthandsafetyprecautionsto
betaken.
(m) Maintenance instructions shall includecharts showing lubrication, checking,testingandreplacementprocedurestobecarriedoutdaily,weekly,monthly
andlongerintervalstoensuretroublefreeoperation. Whereapplicable,fault
locationcharts
shall
be
included
to
facilitate
tracing
the
cause
of
malfunction
orbreakdown.
(n) AseparatesectionofthemanualsshallbedevotedtoeachsizeandtypeofequipmentandtoeachitemofPlant. Itshallcontainadetaileddescriptionof
itsconstructionandoperationandshallincludeallrelevantpamphlets,anda
listofpartswiththeprocedurefororderingspares. Thedetailedsectionsof
themanual, ifnecessary,shallcontain furthermaintenance instructionsand
fault location charts. Subject to the foregoing, the manual shall generally
comply with the recommendations of BS 4884 parts 1 and 2. (Technical
Manuals ContentandPresentation).
(o) Any additions, alterations or deletions which may be required by the S.O.following the experience gained during the periods of running and further
maintenanceshallbeincorporatedinthesecopiesintheformofadditionalor
complete replacement pages and the cost of these amendments shall be
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deemedtobeincludedintheContractPrice.
(p) TheContractor'sattentionisdrawntotheneedtoensurethatthefollowingitemsareincludedintheoperationandmaintenancemanuals:
(i) Allhealthandsafetyinstructionsforchemicalsandanyprecautionarymeasures
necessary
for
ensuring
health
and
safety
and
avoidance
of
misuse.
(ii) Generaldescriptionofthescope,purposeandmannerofworkingofeach systemorapparatus formingpartof theWorks,and the final
functionaldesignspecification(FDS).
(iii) Schedule of equipment supplied giving manufacturers' name andappropriatemake,model/cataloguenumber,descriptionofunitand
componentpartsidentifiedondrawings.
(iv) Maintenanceprocedures for regularmaintenanceandpreventativemaintenance, including frequencies of routine operations, guide to
fault diagnosis, fault finding charts, stepbystep procedures for
dismantling,cleaning,servicing,partreplacementandreassembling,
includingrecommended
clearances
and
tolerances.
(v) Maintenanceprocedures for the flushingofchemical tanks,pumpsand dosing lines and procedures for dealing with leakages and
spillagesincludingneutralisation.
(vi) Scheduleofsparepartswithorderingreferencenumbersandpartsidentifiedonequipmentdrawings.
(vii) Scheduleoftools.(viii) Scheduleofchangeoverfrequenciesforduty/standbyequipment.(ix) Sectional arrangement drawings of major items of plant with
dismantlinginstructions.
(x) Plantlayoutdrawingsshowingthe"aserected"installation.(xi) P&Idiagramsfor"asinstalled"processes.(xii) Schedulesfor"asinstalled"instrumentation.(xiii) Electricalsystemsinglelinediagrams.(xiv) Electricalsystemprotectiongradingcharacteristicsandsettingdata.(xv) General arrangement and circuit diagrams for switchboards and
controlpanels"asinstalled".
(xvi) Diagrams of all "as installed" connections between electrical plantandinstrumentationsystems.
(xvii) Operating procedures including step by step instructions for prestart,startingup,includingstartupfollowingemergencyshutdown,
normaloperationandnormalandemergencyshuttingdownofthe
Plant.
(xviii) "Do's" and "Donts" in plant operation with attention drawn to alloperations
considered
to
be
hazardous
to
personnel
or
likely
to
damageplant.
(xix) Dataongeneralsettingofcontrolsassociatedwithcontrollingdesignconditions, monitoring instruments and switchgear, together with
thedetailsofinitialsettingsofalladjustableitems.
(xx) Testcertificatesforworksandsitetestscarriedoutonplant,forsitetests carried out on pipework, electrical and instrumentation
installationsandotheritemswhereappropriate.
(xxi) Pump performance and calibration characteristics as tested andsystemcharacteristics.
(xxii) Manufacturers'printedoperatingandmaintenanceinstructions.(xxiii) Lubrication instructions including frequency of application and
scheduleof
recommended
lubricants
and
their
equivalents,
which
mustbereadilyobtainable.
(xxiv) Typicallogsheetsforrecordingplantoperatinginformationforeachprocess and chemical plant with instructions for identifying
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departuresfornormalbehaviour.
(xxv) Typical log sheets on which operating staff can record theirservice/maintenancechecksonessentialequipmentandatperiods
recommendedbytheContractor.
(xxvi) Instrumentation, control and automation equipment operatinginstructionsfornormalproceduresinastepbystepformatincluding
flow
charts,
control
operations,
requests
for
display
or
printing
of
data, performance monitoring, response to alarms or failures,
changingofoperationparameters,andmanualdataentry.
(xxvii) Description of the plant control philosophy (a layman's guide)includingplanttripsandinterlocks.
(xxviii) Ascheduleofalarms,givingcauseandactiontobetaken.(xxix) Proceduresforcalibrationofinstruments,dosingpumpsetc.(xxx) Datasheetsforprocessandchemicalplantgivingdesignparameters.(xxxi) Datasheetsforpumps,compressorsetcgivingcapacities.
(q) Alldrawings incorporated in themanuals shall bepresented in suchawaythattheycanbeeasilyreferredtowhilstreadingtheassociateddescriptionin
thetext.
Drawings
shall
be
A4,
A3
or
A1
based
on
the
original
approved
construction drawings. Each A1 size drawing shall be folded and kept in a
plasticwalletsoastofacilitateremovalforviewing.
(r) TheContractorshallsubmitfortheS.O.'sapproval,notlessthanonemonthinadvanceof the timeatwhichany itemofPlant isdelivered toSite, two
copies of instructions appropriate to the erecting, testing, operation and
runningmaintenanceof that itemofPlant. These instructions shall forma
draftoftherelevantpartsoftheoperationandmaintenancemanual.
(s) TheContractorshallprovideanelectronicversionofthefullpreliminarydraftO&M manual in PDF format, including all manufacturers literature and
drawings.Cross
references
to
all
drawings
and
equipment
manuals
shall
be
provided using hypertext links. The relevant electronic manual shall be
submitted on PC CD Rom in draft format at the same time as the paper
copies.
(t) Two(2)completecopiesofthepreliminarydraftO&MmanualfortheWorksshall be submitted to the S.O. at least three (3) months before the
commencementofthecommissioningtests. Thesecopiesmaybethesame
copies as those submitted in sections in accordance with the previous
paragraph. InthiscasetheContractorshallcheckandcertifythatthesetwo
copiesarecompletebeforethecommencementofthecommissioningtests.
Two copies of the electronic manualonCDRom shallbe submittedat the
sametime.
(u) ThecommissioningtestsshallnotbestartedifthecompletepreliminarydraftO&MmanualhasnotbeensubmittedtotheS.O. TheS.O.shalldetermineif
the preliminary draft manual is complete, and will only allow the
commissioningteststocommenceifheissatisfiedwiththemanual.
(v) All copies of the manual shall be amended as necessaryby theContractorduringtheperiodoftesting,commissioningandsettingtoworkofthePlant.
Followingthisupdating,theContractorshallcheckandcertifythatthecopies
of the amended manual are the final draft of the manual. The manual
updating and certification shall be completed by the Contractor within 3
monthsof
completion
of
commissioning.
The
S.O.
will
review
the
final
draft
manualandadvisetheContractorofanychangesrequired. Thisreviewwill
becompletedbytheS.O.within60workingdaysofthecertificationbythe
Contractorthatthefinaldraftmanualiscomplete.
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(w) If any further revisions are necessary as a result of operational experienceduringtheDefectsLiabilityPeriod,allcopiesshallberevisedbytheContractor
withinaperiodofthirtydaysoftheneedforrevisionbecomingapparent. All
revisionsandupdatingshallbecompletedwithinthirtydaysoftheendofthe
DefectsLiabilityPeriod. Thisrevisedandupdatedversionisthenconsidered
thefinalmanual.
P2.6.5 OtherSubmissionsP2.6.5.1 ContractorResponsibleforTesting
Inadditiontoanyspecificobligationsforsamplingandtesting,theContractorshallbe
responsibleforroutineinspectionsamplingandtestingofallmaterials,workmanship,
plantand measuringdevices, inorder to control thequalityofworkand toensure
compliancewiththeSpecificationandwithapprovedsamples.
P2.6.5.2 Samples(a) Where the Contract requires the submission of samples, they shall be
submittedbyandattheexpenseoftheContractornot lessthan20working
days excluding weekends and public holidays prior to the time that the
materialsrepresentedbysuchsamplesareneededforincorporationintoany
work. SamplesshallbesubjecttoapprovalbytheEngineer'sRepresentative,
and material represented by such samples shall not be manufactured,
deliveredtothesitenorincorporatedintoanyworkwithoutsuchapproval.
(b) Wheresamples,includingsamplesofmaterialsandworkmanshipconstructedontheSite,aresubmittedasareferenceformaterialsandworkmanshiptobeprovidedaspartofthePermanentWorks,theyshall,afterbeingapprovedby
theS.O.,becarefullypreservedforthispurposeonsitebytheContractorto
the satisfaction of the S.O. until permission is given by the S.O. for their
disposal.
P2.6.5.3 Manufacturers'andContractor'sCertificates(a) Where certificates are required by the Specification or relevant Reference
Standard,the
original
and
one
copy
of
each
such
certificate
shall
be
provided
by the Contractor, unless otherwise specified. The original and copy
certificatesshallbesubmittedtotheS.O.
(b) Certificates shall be clearly identified by serial or reference number wherepossibletothematerialbeingcertifiedandshallincludeinformationrequired
bytherelevantReferenceStandardorSpecificationclause.
(c) Unlessotherwisespecified,thetimingforsubmittalofcertificatesshallbeasfollows:
(i) Manufacturer'sandsupplier'stestcertificatesshallbesubmittedassoon
as
the
tests
have
been
completed
and
in
any
case
not
less
than
sevencalendardayspriortothetimethatthematerialsrepresented
bysuchcertificatesareneededforincorporationintothePermanent
Works.
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(ii) Certificates of tests carried outduring the installationofplantandequipmentoroncompletionofpartsofthePermanentWorksshall
besubmittedwithin7daysofthecompletionofthetest.
P2.6.5.4
ProgressPhotographs
(a) ProgressofWorksonSiteshallberecordedmonthly intwopapercopiesof
colour progress photographs (witheachprint of sizes not less than175by
125mm)andonedigitalcopyonCDROM in JpegorBitmap format. Each
photographshallbecaptionedandthepapercopiesmountedandboundinto
a set as directed by the S.O. A bound set of selected monthly progress
photographs shall be submitted to the S.O. with the Contractors monthly
progressreport. Thecameraandphotographicpapershalloftypesapproved
bytheS.O. Progressphotographsshouldbesubmittedwithin4daysoftheir
havingbeentaken.
(b) All copiesof the colourphotographs shallbe thepropertyof theEmployerandnoprints fromthesemaybesupplied toanypersonorpersonsexceptwiththeauthorityoftheEmployer. TheContractorshallalsoensurethatno
unauthorisedphotographyisallowedontheSite.
(c) allmonthlyprogressphotographsandanyadditionalphotographsrequestedbytheS.O.duringthatmonthmountedandsubmittedasdetailedabove.
(d) One (1) paper copy of each progress photograph shall be signed by theContractoronthereversesidetoverifyittrulyrepresentstheWorksatthat
pointintime.
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