PROJECT : DESIGN & CONSTRUCT ALWAKRAH BYPASS ROAD P015 , DOHA-QATAR

PROJECT ID: IA 12/13 C 049 STITP No.:

EXW-P015-0000-QM-LNT-IT-00066 Rev CA

Inspection & Test Plan: 3x220kV DUCT CROSSING AT 11+125 Page 4 of 4

Sl Description of works/activity/characteristics Applicable specification and clause referenceType of CheckFrequency ofinspection and/or testingAcceptance CriteriaThe verifying recordsLevel of Control RequiredResponsibility for signature(s) on verifying records

Sub CL&TENGTPI/TPL

Legends L&T = Larsen & Toubro Limited Infrastructure ICSE = Section Engineer/Site EngineerME = Material EngineerNA = Not ApplicablePQP WP = Project Quality Plan ProcedureLevel of Control:

KM- KHARAMAA SIS - Service Information SheetPTW- Permit to WorkDR = Document ReviewT = Test ConductionMTC = Manufacturer Test Certificate

Sub C = Subcontractor QCE = QA/QC EngineerQCM = QA/QC ManagerH = activity to be inspected/ signed-off by relevant prior to the next activityS = Surveillance

CM = Construction Manager, SM = Section Manager PE = Project EngineerENG = Engineers RepresentativeTPI/L = Third Party Inspection/LaboratoryW = activity may proceed with or without inspection by relevant partyC = Inspection ,Testing & Control on activity

(Applicable Method Statement: Method Statement - EXW-P015-0000-EE-LNT-MT-00103-Rev CA)1Prequalification of SubcontractorPQP WP 10Document ReviewBefore start of workQCS 2010 :S1 :P7 & Project SpecificationENG approval Transmittal Form LTCD/QMS/PLAN/01 HH QCM /ME/ CM/SM and ENG

2Submission:2.1 Method Statement 2.2 Drawing IFC/ Shop Drawing2.3 Material Submittal2.4 Stakeholders approvals

PQP WP 11 Document ReviewBefore start of work Approval Consent from Engineers RepresentativeENG approval Transmittal Form LTCD/QMS/PLAN/01 and Stakeholders Approval

C & HHHQCM /ME/ CM/SM and ENG

3MATERIAL INSPECTION & TESTING

3.1HDPE Pipes and Fittings, JointsQCS 2010 Section 8, Part 3 Project Specification, Manufacturer ITPDocument Review/Inspection and Testing MTC review for each deliveryAs per QCS 2010 Section 21 Part 30,(as per applicability) and Project Specification

Test reports as per Supplier ITPC & HHH

ME / QCE / QCM and ENG

3.2Lean Mix ConcreteShop /IFCDrawingMix Design Review of SupplierOnce for each SupplierAs per Approved Shop Drawing/IFC DrawingSuppliers Mix DesignC & HHH

3.3Pulling RopeShop /IFCDrawingMTC ReviewEach SourceAs per Approved Shop Drawing/IFC Drawing MTCC & HHH

3.4Concrete SurroundShop /IFCDrawingMix Design Review of SupplierOnce for each SupplierAs per Approved Shop Drawing/IFC DrawingSuppliers Mix DesignC & HHHT

3.6Selected Backfill from excavation or imported fill material (if applicable)Shop/IFC DrawingTestBefore utilisation in worksAs per QCS 2010 Section 21 Part 30 Cl 30.2.7 and Drawing Suppliers Test ReportC & HHHT

3.7Warning TapeAs per QCS 2010 Section 21 Part 30 Cl 30.2.7MTC ReviewEach SourceAs per QCS 2010 Section 21 Part 30 Cl 30.2.7 and DrawingSuppliers Test Report C & HHH

4TRIAL HOLES (if Required) Refer ITP QM-LNT-IT-00018 PE/SM/CM and ENG

5REMOVAL OF EXISTING UTILITIES Refer ITP : EXW-P015-0000-QM-LNT-IT-00054

6TRENCH EXCAVATION

6.1 Survey & Setting out works for alignmentRefer ITP : EXW-P015-0000-QM-LNT-IT-00051

6.2 Mark out lineQCS 2010 S21:P30 InspectionAhead of trench excavationConfirm the lines, dimension and depth as per approved shop drawingSurvey IR FormC & HHHSurveyor & ENG

6.3Identification of utilities, Protect, Relocate, Demolition and removal of Existing utilities upon Approval from AuthorityQCS 2010 S 2 P2, S6 P 11, S8:P4InspectionAhead of trench excavationIdentify the existing utility and removal as per stakeholder requirementsIR FormC & HHHPE/SM/CM/ ENG

6.4ExcavationQCS 2010 S 6 P3InspectionEach sectionShop drawing, method statementIR FormC & HHH

6.6Width , depth and bottom preparation of Trench and their side supporting if requiredQCS 2010 S:8 P:2 Cl 2.2.6Visual Inspection/Test/MeasurementAfter Trench ExcavationFirm Bottom as per Approved Shop Drawing having 95% compaction of MDD if strata is soilShop DrawingC & HHH

7DEWATERING IF APPLICABLE : Refer ITP: EXW-P015-0000-QM-LNT-IT-00055

8DUCT BANK/ SLEEVE PIPE INSTALLATION

8.1Filling the extra excavation depth with Flow able Lean Mix Concrete & Inspection Shop DrawingInspectionEach SectionFlow able Mix specification and as per Shop DrawingIR-WorksC & HHH

8.2Bedding Preparation & InspectionShop DrawingInspection/ TestOne SectionAs per Shop Drawing, Compaction with Plate compactorIR-WorksC & HHH

8.3HDPE Pipe laying, joining with proper supporting Shop Drawing Temperature, Pressure with TimeEach jointApproved Method StatementIR-WorksC & HHH

8.4Duct Profile Shop DrawingInspectionEach SectionApproved Method StatementIR-WorksC & HHH

8.4Pulling Rope placing in side duct while jointing the pipeShop Drawing / Method StatementInspection Each Section6mm diameter nylon rope placed inside the duct with 2m extra length tie with rod. / As per Shop DrawingIR-WorksC & HHH

8.5Formwork (if applicable ) and Concrete Surround pipes - CastingShop DrawingRefer ITP: EXW-P015-0000-QM-LNT-IT-00004 and ITP: EXW-P015-0000-QM-LNT-IT-00052

9Backfilling with suitable fill material ( if applicable)Shop Drawing, Method StatementInspectionEach SectionAs per Approved Shop Drawing, Compaction of 95% of MDD for each layerIR-WorksC & HHH

10Duct Final Inspection by mandrelMethod StatementInspectionEach SectionAs per method statementIR-WorksC & HHH

Name :Signature:PositionDate:

Prepared by:Binu JohnQA/QC Manager05/04/2015

Reviewed by:Gica PricopHead QA/QC 05/04/2015

Authorized by: Manuel AbellaProject Director05/04/2015

Approved by Engineers Representative

QM-LNT-IT-00066-Rev.CA Date: 05.04.2015