c2_p2.6 - documentation for the works

7/29/2019 C2_P2.6 - Documentation for the Works

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Contract2ProposedMembranePlantatChangiWaterReclamationPlant

P2.6 i

Cygnet/172365_2011 C2_P2.6 DocumentationfortheWorks.doc

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 2


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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P2.6 3


(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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P2.6 6


(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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P2.6 7


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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P2.6 8


(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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P2.6 9


(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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P2.6 10


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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P2.6 11


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,


12/22


P2.6 12


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.


13/22


P2.6 13


(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


14/22


P2.6 14


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.


15/22


P2.6 15


(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)


16/22


P2.6 16


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


17/22


P2.6 17


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


18/22


P2.6 18


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


19/22


P2.6 19


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


20/22


P2.6 20


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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P2.6 21


(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.