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OVERALL EPC SCHEDULE - METAL PROCESS

Sl. Activity Description M-1 M-2 M-3 M-4 M-5 M-6 M-7 M-8 M-9 M-10 M-11 M-12 M-13 M-14 M-15 M-16 M-17-2 -1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

A New Plant EPC Build

1.0 Engineering

Basic Engineering

Finalise Conceptuals/ Process Configs Final Configs

Schedule B Pkg

-- Heat & Mass Balance Study

-- Hydraulics

-- Equipment Datasheets-- Utility Summary

-- Process - PFDs Start Issue PFDs Compl PFD

-- Process - P&IDS

Detail Engineering Compl.Hazop

Sys. & Loss prevention- PFDs / HazopsP&ID-IFA P&ID-IFM P&ID-IFD P&ID-IFC

Mechanical - MR & Vendor DataCritical MRQ Critical MRP Major NOA Initial VI Final VI Minor VI

Plant Layout & Piping

Plot plan -IFD Plot plan -IFC

MTOsPrelm.MTO

Intermediate MTO

3D ModelStart 3D Model Compl. 3D Model

IsometricsStart Isos Prepn.

Civil/Strl/ Arch. DrgsGrading drgs Compl. Compl.Piperack drg

Electrical - SLDs / drgsSLD (IFD) PMTO SLD(IFC) Inter. MTO Set route cabl

Control Systems ( Inst) drgsPMTO Inter. MTO Final MTO

2.0 Procurement

EPC Package

Fired-Heaters Compl MRQ issue Compl. NOA Compl VI

Tagged Items

Super ODCs Compl MRQ issue Compl. NOA Compl VI

Columns Compl MRQ issue Compl. NOA Compl VI

Vessels / Drums Compl MRQ issue Compl. NOA Compl VI

ReactorsCompl MRQ issue Compl. NOA Compl VI

Compressors Compl MRQ issue Compl. NOA Compl VI

Pumps Compl MRQ issue Compl. NOA( Crit.pumps) Bal.NOA Compl VI

Exchangers/Air Coolers Compl MRQ issue Compl. NOA Compl VI

Filter/Strainers Compl MRQ issue Compl. NOA

Special/design piping items Compl MRQ issue Compl. NOA

Transformers Compl MRQ issue Compl. NOA Compl VI

Panels Compl MRQ issue Compl. NOA

CVs/RVs/MOVs/IsolVs . Compl MRQ issue Compl. NOA

ISBL - Package Units Compl MRQ issue Compl. NOA Compl VI

Bulk Items

Civil - Cement/Torr. Start MR SO Start Delv Compl.MR

Strutural Steel Start MR SO Start Delv Compl.MR

Plates Start MR SO Start Delv Compl.MR FO

Piping - Pipes/fittings/valves Start MR SO Start Delv Compl MR FO

El t i l C bl Start MR SO Start Delv Compl MR

YEAR-1 ' 0'- DATE

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Milestones & Check-Points across Project Execution

for

System Driven Commissioning

Milestone Milestone Physical Indicator % Progress Indicator Milestone Check Points

Engineering Procurement Construction E P C Total Engineering Procurement Construction

M1 Basic Engineering Completes Major Long Lead Items

Ordering starts

Site Preparation under

Progress30% 40% 10% 30% Sequence for Overall Plant Start-up

finalised

Critical Long Lead equipment ETA is

finalised basis alignment with

finalised start-up sequence

Detail Construction lookahead plan

gets finalised based on process

sequence.

3D Modelling Starts Sourcing Plan for Bulk Material

gets finalised

Civil Contractor mobilised Agreement obtained from EPCO

team

Subsequent Bulk Item Ordering

follows the same logic

Plot Plan is IFD Same logic is applied for plant

mechanical modeliing

M2 3D Modelling is 30% Long Lead Ordering

Completes & vendors given

advance

Civil foundation &

superstructure work starts60% 60% 35% 50% First Model review with Constn. &

Opn. for constructability & operability

Ensure Long Lead Equipment are on

schedule and all vendor interface /

clashes are resolved.

Detail Civil work liquidation plan

prepared & actualised as per actual

progress.

Plot Plan issued IFC Bulk Material Delivery Starts at

site

Underground works start Any clash in constn. expectation /

process sequencing is duly

addressed.

Sequence Bulk material delivery to

prioritise Bulk commodity liquidation

Mechanical Contractors are

appraised about front availability

forecast & interface needs

Equipment Vendor Drawing

review starts

Mechanical works contractor

are aligned

Process Battery Limits & Interfaces

are clearly identified.

M3 3D Modell ing Completed Long Lead Item shop

Inspection starts

Steel Structure Works Starts 90% 75% 65% 70% Final model review is done and

complete alignment between EPCO

team is ensured

Re-align major equipment despatch

schedule with system start-up

sequence and inform vendor

Detail Mechanical Work completion

plan is prepared and alignment with

system start-up target ensured

All vendor data are validated &

included in design

Bulk item ordering completes Piping (A/G, U/G) work starts IFC deliverable of All discipline must

show battery limit / process interface

System driven pre-commissioning &

handover plan prepared. Utilities,

Consumables & P&M are estimated.

Major discipline IFC

deliverable issue neras

completion

E&I contractor gets mobilised Detail System definition and

commodity wise scope are prepared

E&I contractor is appraised about

front availability & completion /

charging target.

M4 IFC deliverable issue

completed

Long Lead items starts arrival

at site

Mjor Civil, Structural,

Mechanical works are

complete

100% 96% 98% 97% Field engineering set-up ready for

quick response regarding schedule

improvement solution thru innovative

construction.

Mobilisation of Equipment Vendor

Rep. / Technology providers Rep.

starts as per Start-up sequence

Closely co-ordinate between

discipline contractor for timely

erection of Critical equipment.

Engineering Package

transferred to field

Bulk Item receipt completed E&I work under progress Physical / walk through audit starts

for ascertaining critical interface /

battery limit physical completion

Spares & Consumables, Critical

Tools & Tackles required for Mech.

Completion are identified and

availability ensured at site

Ensures hook up of elements with

installed equipment just after

erection completion.

Filed engineerig starts Critical equipment erection

starts

Mechanical completion task force is

formed and resources & utilities are

made ready.

M5 As built Starts Equipment Order Close out

process starts

System Mechanical

completion & handover to

operation starts

100% 99% 99% 99% System dossier need to be prepared

with certified acceptance record for

custody transfer.

Commercial documentation

completion is ensured.

Expedite delivery of mechanically

completed system to operation.

Trial run of equipments start Mutual walk through of operation to

identify & liquidate punch points.

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Ensures system dossier handover to

concerned O&M group