VENDORDRAWINGS

INTERCONNECTIONDIAGRAM

SPECIFICATION

DESIGN BASIS

ONE LINE DIAGRAM

ELECTRICAL EQUIPMENTLIST

ELECTRICAL EQUIPMENT LAYOUT

AREA CLASSIFICATION

POWER AND CONTROLCABLE LAYOUT

CABLE AND CONOUTSCHEDULE

INSTALLATIONL/O SUB STATION

DETAIL DRAWING

SCHEMATIC DIAGRAM

EMEERGENCY SHUTDOWNSYSTEM

TELEPHONE CABLELAYOUT

CATHODIC PROTECTIONLAYOUT

TELEPHONE - SYSTEM

GROUNDING/LIGHTNNGPROTECTION LAYOUT

LIGHTING LAYOUT

PANEL SCHEDULE

VOLTAGE DROP AND CABLE SIZING ANALYSIS

ILLUMINATIONLEVEL ANALYSIS

LOAD DATA/LOADFLOW ANALYSIS

CATHODIC PROTEC.ANALYSIS

SHORT CIRCUIT ANDRELAY COORD STUDY

1. ENG. PROCEDURE

2. FABRICATION PROCEDURE AND MANUAL

3. INSTALLATION PROCEDURE AND MANUAL

4. TECHNICAL SPEC'S AND DATA SHEETS

BILL OF MATERIAL

REQUISITONFOR QUOTATION

VENDOR EVALUATION

VENDOR DOCUMENTCHECK

DESIGN ANALYSIS DOCUMENTATIONPROCUREMENT

SUPPORT

ELECTRICAL ENGINEERING ACTIVITIES SEQUENCE SCHEMATIC

PT. TRIPATRA Engineering General Engineering Management Procedure

WORK CATEGORY HAZARDOUS AREA CLASSIFICATION

STUDY OF PROJECT

STUDY FOR HAZARDOUS AREA CLASSIFICATION

PREPARATION OF HAZARDOUS AREA CLASSIFICATION

- Deviation/Clarification. - Contract document. - Client spec. & data.

- Flammable Gas/Fluid information. - Recommended Practise , NEC, API-500, API-505

PLOT PLAN

HAZARDOUS AREA CLASSIFICATION DWGS : - PLAN VIEW. - SECTION VIEW.

ENG-EX-WI-22-001 Page 3 of 8 R168 Work Flow.doc

PT. TRIPATRA Engineering General Engineering Management Procedure

WORK CATEGORY SUBSTATION WORK

- Deviation/Clarification. - Contract document. - Client spec. & data.

STUDY OF PROJECT

PREPARATION OF SINGLE LINE DIAGRAM

- Preliminary load calculation - Equipment list/motor information - Instrument power information

PREPARATION ELECTRICALLOAD CALCULATION

- Electrical Load calc. - Power system calc.

- Preliminary Single Line Diagram. - Power System Study :

* Short Circuit * Load Flow * Protection relay, * Etc.

Single line diagram Dwg.

PREPARATION OF : - Subst. Equipment Layout - Cable Tray layout - Cable Schedule - Connection diagram - Motor schematic diagram

- Preliminary substaion equipment layout. - Preliminary cable schedule. - Vendor data & drawings For subst. Equipment. - Interphase signal info. - Specification

- S/S Equipment Layout dwg. - Installation layout dwg. - Cable Tray Layout dwg. - Cable Schedule. - Motor schematic diagram - MTO

ENG-EX-WI-22-001 Page 7 of 8 R168 Work Flow.doc

PT. TRIPATRA Engineering General Engineering Management Procedure

WORK CATEGORY LIGHTING WORK

STUDY OF PROJECT

PREPARATION LIGHTING LAYOUT DRAWINGS

- Deviation/Clarification. - Contract document.

- Basic design document. - Equipment layout. - Vendor data & drawings. - Lighting Calculation. - Harzardous area classification. - Specification.

- Lighting Layout dwg. - Cable Tray Layout dwg. -Typ.Install. Detail dwg. - MTO

ENG-EX-WI-22-001 Page 4 of 8 R168 Work Flow.doc

PT. TRIPATRA Engineering General Engineering Management Procedure

WORK CATEGORY POWER WORK

STUDY OF PROJECT

PREPARATION POWER LAYOUT DRAWINGS

- Deviation/Clarification. - Contract document.

- Basic design document. - Single Line Diagram. - Plot Plan. - Cable Sizing. - Vendor data & drawings. - Hazardous area classification. - Specification.

- Power Layout dwg. - Cable Tray Layout dwg. -Typ.Install. Detail dwg. - MTO

ENG-EX-WI-22-001 Page 5 of 8 R168 Work Flow.doc

PT. TRIPATRA Engineering General Engineering Management Procedure

WORK CATEGORY GROUNDING WORK

STUDY OF PROJECT

PREPARATION OF GROUNDING LAYOUT

- Deviation/Clarification. - Contract document.

- Basic design document. - Equipment layout. - Vendor data & drawings. - Instrument grounding information. - Specification.

- Grounding Layout dwg. -Typ.Install. Detail dwg. - MTO

ENG-EX-WI-22-001 Page 6 of 8 R168 Work Flow.doc

PT. TRIPATRA Engineering General Engineering Management Procedure

WORK CATEGORY SUBSTATION WORK

- Deviation/Clarification. - Contract document. - Client spec. & data.

STUDY OF PROJECT

PREPARATION OF SINGLE LINE DIAGRAM

- Preliminary load calculation - Equipment list/motor information - Instrument power information

PREPARATION ELECTRICALLOAD CALCULATION

- Electrical Load calc. - Power system calc.

- Preliminary Single Line Diagram. - Power System Study :

* Short Circuit * Load Flow * Protection relay, * Etc.

Single line diagram Dwg.

PREPARATION OF : - Subst. Equipment Layout - Cable Tray layout - Cable Schedule - Connection diagram - Motor schematic diagram

- Preliminary substaion equipment layout. - Preliminary cable schedule. - Vendor data & drawings For subst. Equipment. - Interphase signal info. - Specification

- S/S Equipment Layout dwg. - Installation layout dwg. - Cable Tray Layout dwg. - Cable Schedule. - Motor schematic diagram - MTO

ENG-EX-WI-22-001 Page 7 of 8 R168 Work Flow.doc

PT. TRIPATRA Engineering General Engineering Management Procedure

ELECTRICAL ENGINEERING INTERFACES FLOWCHART

Flammable oil/gases

information

HAZARDOUS AREA CLASSIFICATION PLANS

ELECTRICAL LOAD LISTP & ID

Equipment ListELECTRICAL EQUIPMENT

LAYOUTEssential

Load

Electrical Specification

MECHANICAL PACKAGE EQUIPMENT

SPECIFICATION

Equipment & field

Instrument

UPS SYSTEM DESIGNTank Layout

CABLE ROUTING DIAGRAM

Under groung piping Layout

CATHODIC PROTECTION DESIGN BASIS

Over all Layout

BASIC GROUNDING AND LIGHTNING PROTECTION

PLANS

Soil Resistivity

Plot plan BASIC LIGHTING PLAN Building Layout

CONCEPTUAL LAYOUT GENERATOR, SWITCHGEAR

& MCC BLD.

Equipment dimention &

space

PIPING

C I V I L

INSTRUMENT

PROCESS

MECHANICAL

ENG-EX-WI-22-001 Page 2 of 8 R168 Work Flow.doc