Singkatan Basic Enginering

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7 Basic Engineering Design Data

7.1 General

Basic Engineering Design Data (BEDD) shall be utilized as the

information for the engineering and design of the Facilities.

7.2 Abbreviation, Chemical Formula and Code/Symbol

The following Abbreviation, Chemical Formula and Code/Symbol

shall be applied to the Facilities.

7.2.1 Glossary of Abbreviations and Defined Terms

ADG Aluminum de Greece

ADAK Contract System to Outsider Workers

AMDAL Analisis Mengenai Dampak Lingkungan

(Environmental Impact Assessment)

ANDAL Analisa Dampak Lingkungan (Environment Impact

Assessment Report)

AOS The Association for Overseas Technical Scholarship

ATH Alumina Trihydrate

BAPPEDA Badan Perencanaan dan Pembangunan Daerah

(Regional Planning Board)

BOD Biochemical Oxygen Demand

BPN Badan Pertanahan National (National Land Agency)

CBR California Bearing Ratio

CCR Central Control Room

CDP Public Consultation and Disclosure PlanCGA Chemical Grade Alumina

CIF Cost, Insurance & Freight

COG Cut Off Grade

COD Chemical Oxygen Demand

CPI Consumer Price Index

DCS Distributed Control System

DEG Diesel Engine Driven Power Generator

De-SO X De-sulfur

DPR Dewan Perwakilan Rakyat

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DSP De-silicate Products

EAP Environmental Action Plan

EIA Environmental Impact AssessmentEPC Engineering, Procurement & Construction

ESRP Environmental and Social Review Procedure

FM Field Manager

FOB Free on Board

Gbp Grindability

HDPE High Density Polyethylene

HGB Hak Guna Bangunan (Land Right to use for Building)

HGP Hak Guna Pakai (Land Right to Use)

HGU Hak Guna Usaha (Land Right of Cultivation)HM Hak Milik (Land Right of Ownership)

HS Hak Sewa (Land Right to Lease)

HSD High Speed Diesel (Minyak Solar)

HSFO High-Sulfur Fuel Oil

HWL High Water Level

IDO Industrial Diesel Oil (Minyak Diesel)

IDR or Rp Indonesian Rupiah

ISO International Standardization Organization

JGS Japanese Geotechnical Society Standards

JIS Japanese Industrial Standards

JPY Japanese Yen

KA Kerangka Acuan (TOR, Terms of Reference)

KP Mine Authorization license

KPC Kaltim Prima Coal

LE Lead Discipline Engineers

LI Letter of Intent

LOI Loss of IgnitionLWL Low Water Level

M/C Mechanical Completion

MCS Master Construction Schedule

MPR Majelis Permusyawaratan Rakyat

NPV Net Present Value

O/W One Way Bag

PBB Pajak Bumi dan Bangunan

PCM Project Control Manager

PD Project Director

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PE Project Engineers

PEM Project Engineering Manager

PM Project ManagerPPM Project Procurement Manager

RAP Resettlement Action Plan

RKL Rencana Pengelolaan Lingkungan

(Environment Management Plan)

RPL Rencana Pemantauan Lingkungan

(Environment Monitoring Plan)

SGA Smelter Grade Alumina

SPPL Lye Collector and Removal Polyethylene

SS Substation TSS Total Suspended Solids

TDS Total Dissolved Solids

US$ or USD United States Dollars

7.2.2 Chemical Formula

AlF3 Aluminum Fluoride

Al(OH)3 Aluminum Hydroxide

Al(OH)4- Aluminum Hydroxide anion

Al2O3 Aluminum Oxide (Alumina)

As2O3 Arsenic Oxide

B Boron

Ba Barium

CaO Calcium Oxide

Cl Chlorine

Cr Chromium

Cd CadmiumCu Copper

CV Calorific Value

F Fluorine

Fe2O3 Di-iron Tri-Oxide (Iron (Ⅲ) Oxide)

FO Fuel Oil

Ga Gallium

HCl Hydrochloric Acid

HSD High Speed Diesel Oil (Minyak Solar)

Hg Mercury

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HGI Hardgrove Grindability Index

H2O Water

H2SO4 Sulfuric AcidIDO Industrial Diesel Oil (Minyak Diesel)

Ip Plastic Index

MFO Bunker C Oil

Na2SO4 Sodium Sulfate

Na2O Sodium Oxide

NaOH Caustic Soda

NaAl(OH)4 Sodium Aluminate (Hydrate)

NaAlO2 Sodium Aluminate

Na2 X Sodium Salt (X: Anion)NOx Nitrogen Oxide

PAC Poly Aluminum Chloride

Pb Lead

P2O5 Phosphorus Oxide

Qu Unconfined Compressive Strength

R-SiO2 Reactive-Silicon Dioxide (Reactive-Silica)

Se Selenium

SiO2 Silicon Dioxide

SO2 Sulfur Dioxide

TiO2 Titanium Dioxide

T-Al2O3 Total-Aluminum Oxide (Total-Alumina)

T-SiO2 Total-Silicon Dioxide (Total-Silica)

V Vanadium

V2O5 Vanadium Oxide

W Tungsten

Wl Liquid Limit

Wn Water content or Natural Water Content Wp Plastic Limit

Zn Zinc

Zr Zirconium

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7.2.3 Code and Symbol

1)Drawing Size Code

Drawing Size Size Code

A0 Size A

A1 Size B

A2 Size C

A3 Size D

A4 Size E

2)Site Code

Site Name Site Code Remarks

Mining site M N/A

Alumina Site P

Jetty Site J

Energy Site E

Water Site W

Administration Site A

Town Site T N/A

General, Common X

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3)Process Section Code for Alumina Site

Process Name Process SectionName Code

Liquor Clarification

Process

Washed Bauxite Stock CBS

Bauxite Stock & Crushing BSC

Bauxite Digestion & Heat Recovery BDH

Sulfuric Acid Preparation Stock & Supply APS

Blow-Off Settling BOS

Bauxite Residue Washing BRW

Thickening Agent Preparation & Stock TAP

Lime Stock & Preparation Process Section LSP

CaO Concentration Control TCA

Precious Filtration of Settling Over-Flow PFS

Vacuum Heat Interchange VHI

Spent Liquor Evaporation SLE

Plant Drain Stock & Supply DSS

Bauxite Residue Filtration & Stock BRF

Hydrate Production

Process

Chain - 1 Commodity Hydrate

Precipitation

CHP

Production Slurry Stock &

Supply

PSS

Commodity Hydrate

Classification & Clarification

CHC

Plant Liquor Stock & Supply PLS

Caustic Soda Stock & Supply CSS

Commodity Hydrate Filtration CHF

Chain - 2 Coarse Hydrate Precipitation CCPChain- 3 Fine Hydrate Precipitation FHP

Fine Hydrate Gel Seed

Precipitation

FGP

Fine Hydrate Product Stock &

Supply

FPS

Fine Hydrate Filtration FHF

Fine Hydrate Cake Treatment FCT

Fine Hydrate Drying FHD

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Chain-4 White Hydrate Feed Stock

Preparation

WFP

White Hydrate Drying WDH White Hydrate Blow-Off

Filtration

WBF

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Process Name Process Section

Name CodeHydrate Production

Process

Chain-4 White Hydrate Heat Recovery WPH

White Hydrate Precipitation WHP

Plant Liquor Stock & Supply WLS

White Hydrate Filtration WHF

Calcination Process Calcined Alumina Calcination CAC

Calcined Alumina Cooling &

Transportation

CCT

Calcined Alumina Stock & Supply CAS

Dust Elimination of Calcination DSC

Hydrate Processing

Process

Hydrate Drying - 1 HD1



Hydrate Grinding & Classification - 1 HG1




Hydrate Surface Treatment - 1 HT1

Hydrate Surface Treatment - 2 HT2

Hydrate Washing HWS

Hydrate Blending & Sieving - 1 HB1

Hydrate Blending & Sieving - 2 HB2

Hydrate Drying & Disintegration HDD

Alumina Processing

Process

Alumina Grinding & Classification - 1 AG1

Alumina Grinding & Classification - 2 AG2

Alumina Grinding & Classification - 3 AG3 Alumina Grinding & Classification - 4 AG4

Alumina Surface Annealing AAN

Alumina Surface Treatment ATR

Alumina Blending & Sieving - 1 AB1

Alumina Blending & Sieving - 2 AB2

Alumina Blending & Sieving – 3 AB3

Alumina Repacking ARE

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4)Design Category Code

Design Category Design CategoryCode

Common & Process A

Instrument J

Piping (Including Painting &

Insulation)

L

Machinery (Pump, compressor,

Blower, Conveyor, Filter, Mill, etc)

M

Electricity P

Structure S

Vessel, Tank & Heat Exchanger V

Civil W

Building X

Other Miscellaneous Z

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5)Equipment Symbol

In Alphabetic Order of Equipment Name - 1/3

Equipment Name Symbol Equipment Name Symbol

Aeration Pad AP Comminutor CI

Agitator AG Compressor CP

Air Conditioner AC Container Hopper Tank CH

Air Form Chambers AX Cooling Tower CT

Air Heater AH Crane CN

Air Knocker AK Crusher CR

Air Lift AF Cutter CU

Air Lock AL Cyclone CY

Air Receiver Tank AT Damper DP

Air Slider AS Deaerator DA

Autoclave AU Diesel Engine DE

Bag Filter BF Digester D

Barometric Condenser CD Distributor DB

Batch Ball Mill BM Diverter Valve DV

Bead Stock BS Double Damper DD

Belt Conveyer BC Drum Machinery DU

Belt Feeder FE Dryer DR

Belt Scale BW Dust Collector DC

Bin BN Eductor ED

Bin Activator BA Ejector J

Blender BR Electric Furnace EF

Blending Tank TB Electrostatic Precipitator EP

Blower BL Elevator EL

Boiler B Engine EN

Breaker Gyratory BG Evaporator EVBucket Elevator BE Extruder ET

Cage Mill CM Fan FA

Calendar Roll CA Filter F

Centrifuge CE Filter Press FP

Chain Block CB Fine Micron Mill FM

Chiller Unit CL Flaker FK

Chute CO Flash Tank FT


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Flow Conveyor FC Pelletizer PE

Furnace FU Precipitator TK

Gate Flop FG Press Filter KF

Gate Slide SG Press Roll Filter PR

Generator G Pug Mill PM

Hammer Mill HM Pulverizer PU

Heat Exchanger H Pump P

Hoist HI Reactor R

Hopper TK Reclaimer RC

Impact Dryer ID Rod mill RMIncinerator IN Rotary Feeder RF

Jaw Crusher JC Rotary Kiln K

Jet Mill JM Rotary Valve RV

Jet Mill M Sand Catcher SN

Line Filter LF Scale SW

Load Cell LC Screen S

Loader, Bulk LO Screen Discharge SD

Loading Arm LA Screw Conveyor SC

Machine MC Screw Feeder SCMagnetic Knocker MK Scrubber SK

Magnetic Separator FF Separator SP

Mater Mill MM Sharp Cut Separator SS

Micron Separator MS Silencer SL

Mill M Silo TK

Miscellaneous Y Solid Air Kneader SA

Mixer MX Stack ST

Movable Packer MP Strainer SR

Muffler SI Suction Filter SF

N2 Generator NG Sump SU

N2 Tank NT Super Micron Mill SM

Oil Skimmer OS Table Feeder TF

Others OT Tank TK

Packer PK Teen Ejector TE

Palletizer PA Thickener TH


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Tower TW Vibration Conveyer VC

Tripper TR Vibration Discharge VD Tube Mill TM Vibration Feeder VF

Turbine TN Vibration Scrubber VK

Turbo Dryer TD Vibration Sieve VS

Turbo Screener TS Vibrator VI

Unloader, Bulk UL Washer WA

Vacuum Pump VP Weighing Feeder WF

Vessel V Winch WI

In Alphabetic Order of Equipment Symbol - 1/3

Symbol Equipment Name Symbol Equipment Name

AC Air Conditioner BR Blender

AF Air Lift BS Bead Stock

AG Agitator BW Belt Scale

AH Air Heater CA Calendar Roll

AK Air Knocker CB Chain Block

AL Air Lock CD Barometric Condenser

AP Aeration Pad CE Centrifuge

AS Air Slider CH Container Hopper Tank

AT Air Receiver Tank CI Comminutor

AU Autoclave CL Chiller Unit

AX Air Form Chambers CM Cage Mill

B Boiler CN Crane

BA Bin Activator CO Chute

BC Belt Conveyer CP CompressorBE Bucket Elevator CR Crusher

BF Bag Filter CT Cooling Tower

BG Breaker Gyratory CU Cutter

BL Blower CY Cyclone

BM Batch Ball Mill D Digester

BN Bin DA Deaerator


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DB Distributor JM Jet Mill

DC Dust Collector K Rotary KilnDD Double Damper KF Press Filter

DE Diesel Engine LA Loading Arm

DP Damper LC Load Cell

DR Dryer LF Line Filter

DU Drum Machinery LO Loader, Bulk

DV Diverter Valve M Mill

ED Eductor M Jet Mill

EF Electric Furnace MC Machine

EL Elevator MK Magnetic KnockerEN Engine MM Mater Mill

EP Electrostatic Precipitator MP Movable Packer

ET Extruder MS Micron Separator

EV Evaporator MX Mixer

F Filter NG N2 Generator

FA Fan NT N2 Tank

FC Flow Conveyor OS Oil Skimmer

FE Belt Feeder OT Others

FF Magnetic Separator P Pump

FG Gate Flop PA Palletizer

FK Flaker PE Pelletizer

FM Fine Micron Mill PK Packer

FP Filter Press PM Pug Mill

FT Flash Tank PR Press Roll Filter

FU Furnace PU Pulverizer

G Generator R Reactor

H Heat Exchanger RC Reclaimer

HI Hoist RF Rotary Feeder

HM Hammer Mill RM Rod Mill

IM Impact Dryer RV Rotary Valve

IN Incinerator S Screen

J Ejector SA Solid Air Kneader

JC Jaw Crusher SC Screw Conveyor

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SC Screw Feeder TK Tank

SD Screen Discharge TK Silo

SF Suction Filter TK Hopper

SG Gate Slide TM Tube Mill

SI Muffler TN Turbine

SK Scrubber TR Tripper

SL Silencer TS Turbo Screener

SM Super Micron Mill TW Tower

SN Sand Catcher UL Unloader, Bulk

SP Separator V Vessel

SR Strainer VC Vibration Conveyer

SS Sharp Cut Separator VD Vibration Discharge

ST Stack VF Vibration Feeder

SU Sump VI Vibrator

SW Scale VK Vibration Scrubber

TB Blending Tank VP Vacuum Pump

TD Turbo Dryer VS Vibration Sieve

TE Teen Ejector WA Washer TF Table Feeder WF Weighing Feeder

TH Thickener WI Winch

TK Precipitator Y Miscellaneous

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5)Fluid Symbol

In Alphabetic Order of Fluid Name

Fluid Name Fluid

Symbol

Fluid Name Fluid

Symbol

Additive or Settling Agents SA NaOH (Concentrated/

Diluted)

HN

Air for Pneumatic A

AL-Oxide Slurry Sulfuric

Acid SOL

PXS Nitrogen Gas N

Phosphoric Acid

(Concentrated/Diluted)

HP

AL-Sulfate contained AL-

Hydrate Slurry

PWS

Plant Air PA

Aluminum Fluoride AF Pneumatic Conveyor

Ceramic

PCC

Aluminum Sulfate AS

Boiler Feed Water BFW Process Dry Air PDA

Conventional Pneumatic

Conveyor

PCL Process Slurry PYS

Process Vent PV

Chilling Water CW Propane Gas PG

Cooling Water COW Pure Water PW

Digestion Drain DWB River Water (Raw Water) RWDrinking Water DW Sedimentation Treatment

Water (including Naturally

Settled Water)

IWA

Dust PL

Evaporation Drain DWC

Filtrated Water IWB Silane Coupling Agent SCA

Fuel Oil (IDO) FO Slaked Lime Slurry SL

High Pressure Pneumatic

Conveyor

PC Sodium Hypochlorite

Solution

HS

High Press. Steam PSH Steam (0.6 MPa and less) PSLHigh Speed Diesel HSD Steam (0.98 MPa) PS

High Temperature Air AH Steam Condensate DWA

Hydrochloric Acid HC Sterilized Water TW

Inert Gas IG Sulfuric Acid (Diluted) HSL

Instrument Air IA Sulfuric Acid 98% HSH

Kerosene FK Vacuum Service VP

Lubricating Oil LO Waste Water WW


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In Alphabetic Order of Fluid Symbol

FluidSymbol

Fluid Name FluidSymbol

Fluid Name

A Air for Pneumatic IWB Filtered Water

AF Aluminum Fluoride LO Lubricating Oil

AH High Temp. Air N Nitrogen Gas

AS Aluminum Sulfate PA Plant Air

BFW Boiler Feed Water PC High Pressure Pneumatic

ConveyorCW Chilling Water

COW Cooling Water PCC Pneumatic Conveyor

CeramicDW Drinking Water

DWA Steam Condensate PCL Conventional Pneumatic

ConveyorDWB Digestion Drain

DWC Evaporation Drain PDA Process Dry Air

FK Kerosene PG Propane Gas

FO Fuel Oil (IDO) PL Dust

HC Hydrochloric Acid


PS Steam (0.98 MPa)

PSH High Pressure Steam

HN NaOH (Concentrated/

Diluted)

PSL Steam (0.6 MPa and less)

PV Process Vent

HP Phosphoric Acid


PW Pure Water

PWS AL-Sulfate contained

AL-Hydrate SlurryHS Sodium Hypochlorite

Solution PXS AL-Oxide Slurry Sulfuric

Acid SOL

HSD High Speed Diesel PYS Process SlurryHSH Sulfuric Acid 98% RW River Water (Raw Water)

HSL Sulfuric Acid (Diluted) SA Additive or Settling Agents

IA Instrument Air SCA Silane Coupling Agent

IG Inert Gas SL Slaked Lime Slurry

IWA Sedimentation Treatment

Water (including naturally

settled water)

TW Sterilized Water

VP Vacuum Service

WW Waste Water


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7.3 Plant Capacity

Design capacity and operation period of each plant and unit are asfollows:

1)Liquor Clarification Process

:300,000 MTY (Al2O3 base), 8,410 hr/year

(365 days /year, 8 hr/shift × 3 shifts/

day, 96 % Operation Ratio)

2)Hydrate Production Process

a)Chain - 1 :270,000 MTY (Al2O3 base), 8,410 hr/year

(365 days /year, 8 hr/shift × 3 shifts

/day, 96 % Operation Ratio)

b)Chain - 2 :20,000 MTY (Al2O3 base), 8,410 hr/year

(365 days/year, 8 hr/shift × 3 shifts


c)Chain - 3 :10,000 MTY (Al2O3 base), 7,884 hr/year

(365 days/year, 8 hr/shift × 3 shifts


d)Chain - 4 :8,000 MTY (Al2O3 base), 7,884 hr/year

(365days/year, 8 hr/shift × 3 shifts/day,

90 % Operation Ratio)

3)Calcination Process :134,000 MTY (Al2O3 base), 7,270 hr/year(365 days/year, 8 hr/shift x 3

shifts/day,

83 % Operation Ratio per one Rotary

Kiln), with two (2) operating kilns

4)Hydrate Processing Process & Alumina Processing Process

:8,410 hr/year (365 days/year, 8 hr/shift

× 3 shifts/day, 96 % Operation Ratio)


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7.4 Feed Stock and Product

Main feed stocks and products as shown on Attachment – 7.4A “Listof Feed Stock” and Attachment – 7.4B “List of Product” will be

handled by the Owner.

Feed stocks other than listed on Attachment – 7.4A, consumable

materials, packing materials and spare parts will be also handled by

the Owner.

7.5 Regulation

The Contractor shall design and construct the Facilities taking into

consideration, but not limited to the regulations of Indonesia listed in

Attachment - 7.5 “List of Government Regulation”.

The Contractor shall fully cooperate and assist the Owner to get the

governmental approval for legal requirements at the engineering and

design stage.


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7.6 Codes and Standards

Codes and standards applied to the engineering and design for theFacilities shall be designated in the requirements and specifications

in the relevant section of this ITB document in detail and basically as

follows:

1)General: Indonesian codes and standards

2)Mechanical design: JIS, ASME

3)Mechanical materials: Internationally-recognized codes andstandards, e.g. JIS, ASME, ASTM, ACI, BS and DIN. As a base,

American material codes and standards shall be applied for the

interpretation of equivalency.

4)Civil and architectural design: Indonesian National Standards

(SNI)

5)Piping design: JIS, JPI, ASME

6)Electrical design: Indonesian codes and standards (PUIL), NEMA,

ISO, IEC, IES, EIA

7)Instrument design: IEEE, IEC, ISA, ISO

8)Equipment and materials: Manufacturer’s standards will be

applicable when approved by the Owner.

9)Standards of the Contractor, Subcontractor(s) or vendors can be

applied with approval of the Owner.


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7.7 Coordinates System and Level

A single compatible coordinates system shall be used in the Contract based on the Universal Transverse Mercator (UTM) System. Scale

factors appropriate to location shall be used. Data obtained from the

local authorities shall be translated into this single unified system

before being used for this Contract.

All levels for use under this Contract shall be shown to a common

datum provided by the Owner and verified by the Contractor.

The Contractor shall be responsible for monitoring any relativechanges to coordinates and levels that may occur for whatever reason

during construction, and for adjusting the design accordingly.


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7.8 Unit of Measurement

The system of measurement to be followed under the Contract is theInternational System of Units (SI) as established under ISO 1000,

which incorporates the metric system. The Contractor shall be

required to adhere to the use of the ISO 1000 units in the

Contractor’s all documents and for the procurement of all goods and

products except in respect of the items shown hereunder.

1)The unit of temperature shall be Degree Celsius (̊C) instead of SI

base unit (Kelvin). (0 ̊C = 273.15 ̊K)

2)Angles shall be given in the 360-degree system.

SI Base Units

Unit Symbol Name

Length m Meter

Mass Kg Kilogram Time s Second

Electric Current A Ampere

Amount of Substance mol Mole

Luminous Intensity cd Candela


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SI Derived Units

SI Derived Unit Symbol Name Conversion Area m2 Square Meter

Volume m3 Cubic Meter

Speed, Velocity m/s Meter per Second

Acceleration m/s2 Meter per Second Squared

Mass Density Kg/m3

g/cm3Kilogram per Cubic Meter

Gram per Cubic Centimeter

Specific Volume m3/Kg Cubic Meter per Kilogram

Current Density A/m2 Ampere per Square Meter

Amount-of-Substance

Concentration

Mol/m3 Mole per Cubic Meter

Luminance cd/m2 Candela per Square Meter

Frequency Hz Hertz

Force N Newton 1N =

1mKg/s2

Stress N/mm2 Newton per Square Millimeter 1N/m2 =

1Pa =106N/mm2

Pressure Pa Pascal

MPa Mega Pascal 1MPa =

106Pascal

Energy, Quantity of

Heat

J Joule 1J = 1Nm

Power, Radiant Flux W Watt 1W = 1J/s =

1m2Kg/s3

Electric Potential

Difference,

Electromotive Force

V Volt 1V = 1W/A

Electric Resistance Ω Ohm

Conductance S Siemens 1S = 1A/V

Mass Flow (Liquid) l/min Liter per Minute

Mass Flow (Gas) Nm3/hr Normal Cubic Meter per Hour


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Other Symbol of Units

Unit Symbol Unit SymbolCubic cu Metric Ton MT

Cubic Meter per Hour Cu MPH Month Mth or M

Dry Weight Ton DWT Metric Ton per Hour MTPH

Gram per Liter gpl Nautical Mile NM

Hectare ha per Annum p.a.

Hour Hr or hr Parts per Million ppm

Kilo (Thousand) K or k Hydrogen Ion

Concentration

pH

Kilo Liter Kl Square sq

Kilo Meter km Ton T or t

Thousand Ton KT Ton per Hour tph

Kilo Watt KW or Kw

or kW

Wet Metric Ton WMT

Liter l Wet Metric Ton per

Year

WMTPY

Lux Lx Wet Metric Ton perHour

WMTPH

Milligram mg Year y

Millimeter mm Nano Gram ng


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7.9 Numbering

7.9.1 Equipment Number

Equipment shall be numbered sequentially from the upstream of

process and/or utility flow for each site/process section and each

equipment code in accordance with the following manner:

J - P - 001 A or ATR- AS -001 A

a c d e b c d e

a:Site Code (Refer to 2) of 7.2.3.) b:Process Section Code or Service Code (To be applied only to

the Alumina Site and the Energy Site. Refer to 3) of 7.2.3 and

7.9.4.)

c:Equipment Symbol (Refer to 5) of 7.2.3.)

d:Equipment Number (The sequential number shall be applied

to each Equipment Symbol and Site Code/Process Section

Code/Service Code.)

e:Suffix (Shown by A, B, … in case of the requirement of the

stand-by equipment.)


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7.9.2 Drawing Number

Drawing number system shall consist of Drawing Size, Site Code/Process Section Code/Service Code, Design Category, Drawing

Number and Revision Number in accordance with the following

manner.

A – J - L – 1101 – 001 – 1 or A – BRW – A – 0100 – 002 – 2

a b d e f g a c d e f g

a:Drawing Size Code (Refer to 1) of 7.2.3.)

b:Site Code (Refer to 2) of 7.2.3.)c:Process Section Code or Service Code (To be applied only to

the Alumina Site and the Energy Site. Refer to 3) of 7.2.3.and

7.9.4.)

d:Design Category Code (This Code stands for the Work

Category that the drawing is issued from. Refer to 4) of 7.2.3.)

e:Drawing Number (Master Number) (Drawing Number consists

of the Master Number and the Suffix Number. The Master

Number stands by mean of a sequential number of four (4)

figures.)

f:Drawing Number (Suffix Number) (If necessary, the Suffix

Number (001 ~999) can be applied to detailed drawings for

each Master Drawing, such as prefabrication drawings, parts

drawings, etc.)

g:Revision Number


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7.9.3 Line Number

Line Number shall consist of Line Size, Piping Material Code, FluidSymbol, Site Code or Process Section Code and Line Number in

accordance with the following manner.

100 – C2SG – PS – PBW – 2022

a b c d e

a:Line Size (Nominal Size in millimeter.)

b:Piping Material Code (Piping Class)

c:Fluid Symbol (Refer to 6) of 7.2.3.)d:Site Code, or Process Section Code or Service Code for the

Alumina Site and the Energy Site. (Refer to 2) and 3) of

7.2.3.and 7.9.4.)

e:Line Number (To be sequentially applied from the upstream to

the downstream.)

7.9.4 Service Code

Instead of Process Section Codes, the following Service Codes shall

be applied to equipment, drawings and line numbers for utility

service including chemical service of the Alumina Site and for the

Energy Site.

Service Service Code

Water and Water Treatment WTM

Other Utilities (Air, Fuel, etc.) COM/UTI

Coal and Utility for Energy Site BTG


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7.10 Climatic Condition

Climatic conditions of the Site are as follows:

• Ambient Temperature (Annual Range):25 – 34̊C, Ave. 28̊C

• Ambient Temperature (Max./Min.) :35̊C / 21̊C

• Humidity :48 - 87 %, Max. 90 %

• Rainfall (Annual Average) :2,886 mm

(at Pontianak airport)

• Rainfall (Max.) :65 mm/Hr

• Wind Velocity :Max. 40 m/sec

• Prevailing Wind Direction :North from South,Northeast from Southwest

and Northwest from

Southeast

• Horizontal Seismic Coefficient :0.03g

• Water Level of Kapuas River :HWL EL + 62,900 (Note 1)

LWL EL + 56,900 (Note 1)

Note 1: EL±0 means mean sea level of Pontianak port.


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7.11 Product Condition

7.11.1 Physical Properties

The typical physical properties of products are as follows:

Product

Property

Chain–1

Hydrate

Chain-2

Hydrate

Chain-3

Hydrate

Moisture % 10 8 0.20

Na2O % 0.16 0.12 0.36

Washable Na2O % 0.01 0.01 0.12

Mean Particle Size μ 55 85 1.0

Bulk

Density

Loosed g/cm3 0.5 0.5 0.2

Tapped g/cm3 1.2 1.2 0.5

Friction Angle degree 51 31 43

Whiteness - 85 84 97

Hardness Mohs 3 3 3

Specific Gravity - 2.42 2.42 2.42

Specific Heat (25̊C) cal/g̊C 0.29 0.29 0.29

BET SpecificSurface Area

m2/g 0.6 0.6 5.4

Product

Property

Chain–3

Hydrate

Chain–4

Hydrate

Chain-4

Hydrate

Moisture % 0.25 9 23

Na2O % 0.40 0.13 0.04

Washable Na2O % 0.13 0.00 0.00

Mean Particle Size μ 0.7 80 30Bulk

Density

Loosed g/cm3 0.2 1.2 0.5

Tapped g/cm3 0.4 1.4 1.1



Hardness Mohs 3 3 3



BET Specific m2/g 8.0 0.3 0.7


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Surface Area


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Product

Property

HD1

Hydrate

HD2

Hydrate

HD3

HydrateMoisture % 0.05 0.02 0.02

Na2O % 0.16 0.13 0.04

Washable Na2O % 0.01 0.00 0.00

Mean Particle Size μ 55 75 30

Bulk

Density

Loosed g/cm3 1.2 1.3 1.1

Tapped g/cm3 1.3 1.4 1.2



Hardness Mohs 3 3 3



BET Specific

Surface Area

m2/g 0.6 0.2 0.2

Product

Property

HG1

Hydrate

HG1

Hydrate

HG2

Hydrate

Moisture % 0.1 0.11 0.2

Na2O % 0.16 0.13 0.16

Washable Na2O % 0.01 0.01 0.01


Bulk

Density

Loosed g/cm3 0.9 0.8 0.7

Tapped g/cm3 1.2 1.0 1.1



Hardness Mohs 3 3 3Specific Gravity - 2.42 2.42 2.42


BET Specific

Surface Area

m2/g 1.4 1.6 2.0


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Product

Property

HG3

Hydrate

HG4

HydrateMoisture % 0.24 0.12

Na2O % 0.13 0.04

Washable Na2O % 0.01 0.00

Mean Particle Size μ 9 10

Bulk

Density

Loosed g/cm3 0.7 0.8

Tapped g/cm3 0.9 1.1

Friction Angle degree 47 47

Whiteness - 99 98

Hardness Mohs 3 3

Specific Gravity - 2.42 2.42

Specific Heat (25̊C) cal/g̊C 0.29 0.29

BET Specific

Surface Area

m2/g 3.0 1.8

Product

Property

Calcination

Alumina

Calcination

Alumina

AG1

Alumina

Moisture (LOI) % 0.05 0.04 0.12

Na2O % 0.27 0.18 0.27


Bulk

Density

Loosed g/cm3 0.7 0.8 0.8

Tapped g/cm3 1.1 1.1 1.4


Hardness Mohs 12 12 12



BET Specific

Surface Area

m2/g 0.6 0.6 1.3


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Product

Property

AG2

Alumina

AG3

Alumina

AG4

AluminaMoisture (LOI) % 0.1 0.4 0.6

Na2O % 0.27 0.04 0.27

Mean Particle Size μ 6 0.6 1.2

Bulk

Density

Loosed 0.7 0.9 0.6 0.6

Tapped 1.1 1.3 1.2 1.1


Hardness Mohs 12 12 12



BET Specific

Surface Area

m2/g 0.8 6.0 8.0

7.11.2 Particle Size Distribution

The typical particle size distributions of products are as follows:


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7.11.3 Material Safety Data

The CGA products produced by ICA are the same as by SDK. The

handling of these products shall be referred to Material Safety Data

Sheets for higilite (aluminum hydroxide or hydrate alumina) and

alumina (aluminum oxide) attached at the end of this Chapter 7.


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7.12 Utility and Feed Stock Conditions

7.12.1 Steam (PSH and PS)

Steam generated by the boiler units provided in the Energy Site shall

be supplied to the Bayer Process as well as the Electric Power

Generation under the following conditions:

1)High Pressure Steam (PSH) for Electric Power Generation

• Pressure :To be designed and decided by the

Contractor.• Temperature :To be designed and decided by the

Contractor.

2)Steam (PS) for Bayer Process

• Pressure :0.98 MPa·G

• Temperature :180̊C

7.12.1 Air

1)Instrument Air (IA)

• Pressure : Min. 0.4 MPa·G, Max. 0.7 MPa·G

• Temperature :Max. 40̊C

• Dew Point : 2̊C at 0.7 MPa·G

• Oil Content : None

2)Plant Air (PA)

• Pressure : Min. 0.4 MPa·G, Max. 0.7 MPa·G

• Temperature : Max. 40̊C

• Oil Content : None


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7.12.2 Water

1)Raw Water (RW)

The specifications of the raw water (RW) from Kapuas River are

as follows:

• Electric Conductivity : 100-200μS/cm 1 - 2 mS/m

• pH : 5.9 - 6.3

• SiO2 : 6 - 10 mg/l

• Fe : 0.4 - 1.3 mg/l

• Hardness (CaCO3) : 5 – 6• Total Cation : 31 mg/l

• Total Anion : 54 mg/l

• COD : 9 - 14 mg/l

• Colorness : 28 – 50

• Turbidity (Kaorine) : 33 – 72

RW transported from Kapuas River to Water Pool–1 shall be

settled naturally to remove large solid scales under the condition

of slow speed water flow in Water Pool-1.

2)Sedimentation Treatment Water (IWA)

The water naturally settled in the Water Pool–1 shall be fed to

Barometric Condenser (VHI-CD-101), the Energy Site and Tank

(WTM-TK-101) as Sedimentation Treatment Water (IWA).

IWA shall be further treated to settle the remained solid scale bymeans of sedimentation treatment with infusion of Al2(SO4)3 into

the above IWA in Tank (WTM-TK-101). IWA shall be used as plant

service water.


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3)Filtrated Water (IWB)

Filtrated Water (IWB) shall be produced by filtrating impuritycontained in IWA using Sand Filters (WTM-F-101, 102, 103). IWB

shall be used for making up of tank water level control in the

Alumina Site, Water Purification System in the Energy Site and

Cooling Towers (COM-CT-101, 201), cleaning of equipment in the

Alumina Site, etc.

4)Sterilized Water (TW)

Sterilized water (TW) shall be sterilized by means of injectingNaClO into IWB in Tank (WTM-TK-103). TW shall be used for

safety shower and building services such as bath, laundry

cleaning, etc. in all Sites and supplied to the Town Site. TW

cannot be used for drinking water.

• Supply Pressure :0.4 Mpa·G

• Supply Temperature :33̊C

5)Pure Water (PW)

Pure water (PW) shall be made by an ion exchange unit and have

the following conditions:

• Supply Pressure : 0.5 MPa·G

• Supply Temperature : 33̊C

6)Cooling Water (CW)

Cooling water (CW) shall be treated to prevent scale formation,

corrosion, and slime and algae formation.

• Supply Pressure : 0.5 MPa·G

• Return Pressure : 0.2 MPa·G

• Supply Temperature : 33̊C

• Return Temperature : 43̊C


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7.12.3 Effluent

The Alumina Site and its utility facilities will discharge gaseousemissions and water effluent.

The typical particle size of kiln dust contained in the exhaust gas

discharged from rotary kilns is as follows:

The requirements in the Indonesian government emission standard

(KEP-13/MENLH/3/1995 Mar.07, 1995) shall be applied to the

gaseous emissions.

For the water effluents, standard quality for waste water issued bythe Ministry of Mining and Energy (KEP-MEN-51/P&E/1995) shown

in the following table shall be applied as per Antam’s environmental

impact assessment (EIA) report (2001 June version) for the project.


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Standard Quality for Effluent Water (1/2)

KEP-MEN-51/P&E/1995

Temperature ˚C 38

TDS mg/l 2,000

TSS mg/l 200

pH 6.0 - 9.0

Fe mg/l 5

Mn mg/l 2

Ba mg/l 2

Cu mg/l 2

Zn mg/l 5

Cr+6 mg/l 0.1

Total Cr mg/l 0.5

Cd mg/l 0.05

Hg mg/l 0.002


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Standard Quality for Effluent Water (2/2)

KEP-MEN-51/P&E/1995

Pb mg/l 0.1

Stanum mg/l 2

As mg/l 0.1

Selenium mg/l 0.05

Ni mg/l 0.2

Co mg/l 0.4

CN mg/l 0.05

H2S mg/l 0.05

F mg/l 2

Cl2 mg/l 1

NH3-N mg/l 1

NO3-N mg/l 20

NO2-N mg/l 1

BOD mg/l 50

COD mg/l 100

Methylene Blue

Active

mg/l 5

Phenol mg/l 0.5

Vegetable Oil mg/l 5

Mineral Oil mg/l 10

Radioactive mg/l -


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7.12.4 Fuel

1)Fuel Oil

Industrial Diesel Oil (IDO) shall be used for the burners of rotary

kilns and the diesel engines based on Indonesian government

gaseous emission standards.

Kerosene shall be used for the hot air furnaces.

High Speed Diesel (HSD) shall be used for vehicles, cranes, etc.

The specifications of IDO, kerosene and HSD are as follows:

Specification of IDO

Properties Limits Test Methods

Min Max

Specific Gravity at 60/60̊F 0.840 0.920 ASTM D-1298

Viscosity Redwood 1/100̊F secs 35 45 ASTM D-445/IP 70

Pour Point F̊ - 65 ASTM D-97

Sulfur Content % wt - 1.5 ASTM D-1551/ D-

1552

Conradson Carbon Residue % wt - 1.0 ASTM D-189

Water Content % vol - 0.25 ASTM D-95

Sediment % wt - 0.02 ASTM D-473

Ash % wt - 0.02 ASTM D-482

Neutralization Value:

･Strong Acid Number mgKOH/gr - Nil ASTM D-974

Flash Point P.M.c.c. F̊ 150 - ASTM D-93

Color ASTM - 6 - ASTM D-1500

Calorific Value, Gross Kcal/l 9,270 as reference


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Specification of Kerosene

Properties Limits Test MethodsMin Max

Specific Gravity at 60/60̊F - 0.835 ASTM D–1298

Color Lovibond 18” Cell, or - 2.50 IP 17

Color Saybolt 9 - ASTM D–156

Smoke Point mm 16 - ASTM D–1322

Char Value Mm/kg - 40 IP 10

Distillation: ASTM D–86

･Recovery at 200̊C % vol 18 -

･End Point C̊ - 310

Flash Point Abel, or F̊ 100 -

Alternative Flash

Point TAG

F̊ 105 -

Sulfur Content % wt - 0.20 ASTM D–2166

Copper Strip

Corrosion

3 hrs

/50̊C

- No.1 ASTM D–130

Odor Marketable


44/65

Specification of HSD

Properties Limits Test MethodsMin Max

Specific Gravity at 60/60̊F 0.82 0.87 ASTM D–1298

Color ASTM 45 3.0 ASTM D–1500

Cetane Number, or 48 - ASTM D–613

Alternatively Calculated Cetane

Index

1.6 - ASTM D-976

Viscosity Kinetic at

100̊F

cSt 35 5.8 ASTM D-445

or Viscosity SSU at

100̊F

secs - 45 ASTM D-88

Pour Point C̊ - 65 ASTM D-97

Sulfur Content % wt - 0.5 ASTM D-1551/

D-1552

Copper Strip

Corrosion

3 hrs

/50̊C

- No.1 ASTM D–130

Conradson Carbon

Residue

(on 10% vol. bottom)

% wt - 0.1 ASTM D–189

Water Content % vol - 0.05 ASTM D-93

Sediment % wt - 0.01 ASTM D–473

Ash Content % wt - 0.01 ASTM D–482

Neutralization Value:

· Strong Acid Number mgKOH/gr - Nil

· Total Acid Number mgKOH/gr 150 0.6Flash Point P.M.c.c. F̊ - - ASTM D-93

Distillation:

· Recovery at 300̊C % vol 40 - ASTM D-86


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2)Fuel Gas

Fuel gas for the pilot burners of air heaters shall be suppliedfrom LPG bombs which will be provided by the Owner.

LPG supplied from PERTAMINA is the mixture of propane and

butane with composition among 70 - 80% and 20 - 30% of

volume and added by odorant (mercaptant) and has the following

specifications:

Properties Limits Test Methods

Min Max

Specific Gravity at 15.6 /

15.6̊C

to be reported ASTM D-1657

Vapor Pressure at 37.8̊C, psig - 120 ASTM D-1267

Weathering Test at 36°F, vol % 95 - ASTM D-1837

Copper Corrosion thr, 37.8̊C - ASTM No. 1 ASTM D 1838

Total Sulfur gr/100 cuft - 15 ASTM D-784

Water Content No Free Water Visual

Composition: ASTM D-2163

. C1 % vol 0.2

. C3 & C4 % vol 97.5

. C5 & heavier % vol 2

Ethyl or Butyl. ml/1000 AG 50

Mercaptan Added


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3)Coal

The specifications of coals are as follows:

Note:1)ar: as received.

2)adb: air dried base.

3)The specifications of Adaro Envirocoal shall be

applied to design and engineering of the

corresponding equipment.

Adaro Arutmin

Envirocoal Ecocoal

CV ar kcal/kg 5,200 5,000

Moisture ar % 26.0 35.0

Moisture adb % 14.5 23.0

Ash adb % 1.2 3.9

Volatile adb % 43.0 38.0

Fixed Carbon adb % 41.0 35.1

Bulk Specific Gravity - 0.85 0.85

HGI - 50 70

Angle of Repose degree 20 - 25 20 - 25

Grain Size Distribution mm 0 - 50 0 - 50

Carbon adb % 73.8 73.0

Hydrogen adb % 4.9 8.4

Nitrogen adb % 0.9 1.0

Oxygen adb % 20.3 17.4

Sulfer adb % 0.1 0.2

SiO2 35.0 27.00

Al2O3 20.0 6.30

Fe2O3 20.0 35.20

CaO 11.0 9.60

Ash MgO 3.0 9.50

Na2O 0.3 0.14

K2O 0.7 0.35

P2O5 0.3 0.09

TiO2 1.0 0.77

SO3 9.0 9.96

Specification of Coal


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7.12.5 Chemicals

Physical properties of chemicals as feed stocks are shown hereunder:

1)48% Caustic Soda

Analysis Item Unit Specification

NaOH % ≥ 48

NaCO3 % ≤ 0.3

NaCl % ≤ 1.2

Fe2O3 % ≤ 0.003

Specific Gravity at 28̊C - 1.51 Viscosity at 28̊C cP 16

2)98% Sulfuric Acid


H2SO4 % ≥ 95

LOI % ≤ 0.05

Fe % ≤ 0.03

Specific Gravity at 28̊C - 1.8310

Viscosity at 28̊C cP 19

3)35% Hydrochloric Acid


HCI % ≥ 35

Fe % ≤ 0.001

LOI % ≤ 0.01Organic Compound % ≤ 0.002


Viscosity at 28̊C cP 1.7

Appearance: Colorless and transparent/light-yellow


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4)Hydrate Lime

Analysis Item Unit SpecificationCaO % ≥ 94

SiO2+Al2O3+Fe2O3+MgO % ≤ 3

CO2 % ≤ 1.5

Specific Gravity - 2.11

Bulk Density kg/m3 580

Particle Size % 44 μm pass

5)Aluminum Sulfate


Al2O % 8.0 - 8.2

pH - 3.3 ~3.8

NH4-N % ≤ 0.01

As ppm ≤ 2

Fe % ≤ 0.005

Mn ppm ≤ 2

Cd ≤ 0.5

Pb ppm ≤ 2

Hg ppm ≤ 0.05

Cr ppm ≤ 2


Viscosity at 28̊C cP 12 – 20


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6)Aluminum Fluoride

Analysis Item Unit SpecificationMoisture % ≤ 0.5

LOI % ≤ 1.0

T-F % ≥ 61.1

T-Al % ≥ 29

SiO2 % ≤ 0.3

P2O4 % ≤ 0.05

Fe2O3 % ≤ 0.2

AlF3 % ≥ 90

Al2O3 % ≤ 9Specific Gravity - 3.1

Angle of Repose degree 33

Particle Size (d50) μm 91.8

7)Lime Stone


Cao % ≥ 94

SiO2+Al2O3+Fe2O3+MgO % ≤ 3

CO2 % ≤ 1.5

Specific Gravity - 3.34

Bulk Density g/cm3 1.6 – 2.8

Size

Max.:12 mm

over 8 mm % ≤ 1

under 5 mm % ≤ 50

under 1.0 mm % ≤ 30


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7.12.7 Bauxite Ore and Bauxite Residue

7.12.7.1Crude Bauxite Ore

Characteristics of crude bauxite ore are shown below:

1)Physical Properties of Crude Bauxite Ore

Properties Overburden Ore Bed

Free Moisture (%) 34.0 16.6

Bulk Density Wet 1.62 2.14

Bulk Density Dry 1.07 1.79

Loose Density Wet 1.06 1.28

Loose Density Dry 0.70 1.07

Swell Factor 1.5 1.7

2)Chemical Composition of Crude Bauxite Ore

A summary of crude bauxite ore grain size distribution analysisis shown below:

Bauxite

Fraction

Weight Percent (%)

SiO2 Rich Fe2O3 Rich Mixing

+75 mm 04.95 14.90 11.03

-75 mm / +12.5 mm 10.36 28.66 21.54

-12.5 mm / +12 # 34.24 17.47 23.99

-12 # 50.45 38.97 43.44

The Owner will apply the characteristics of mixing crude bauxite

ore specified above to the design and engineering of the alumina

production plant.


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7.12.7.2Washed Bauxite Ore

Characteristics of washed bauxite ore are shown below:

1)Chemical Composition of Washed Bauxite Ore

Averaged

Grade

Total

Al2O3

Reactive

SiO2

Total

SiO2

Fe2O3 TiO2

Percentage

(%)

47.45 3.84 14.56 12.67 0.93

2)Particle Size Distribution of Washed Bauxite Ore

A summary of washed bauxite ore grain size distribution analysis

is shown below:

Bauxite

Fraction

Weight Percent (%)

+50 mm 17

-50 mm / +12 mm 34

-12 mm / +1.2 mm 49

Total 100

3)Physical Properties of Washed Bauxite Ore

Properties Washed Bauxite Ore

Free Moisture (%) 15

Temperature (ºC) 28

Specific Gravity (-) 2.60

Bulk Density Wet (g/cm3) 1.28

Specific Heat (Kcal/kg/ºC) 0.20

Angle of Repose (degree) 45


52/65

7.12.7.3Bauxite Residue

Characteristics of bauxite residue are shown hereunder:

1)Physical Properties of Bauxite Residue (slurry) in 4th Washer

Properties Bauxite Residue

Solid Concentration (g/l) 500

Temperature (ºC) 70 1)

Specific Gravity of Residue (-) 3.148

Specific Gravity of Slurry (g/cm

3

) 1.395Specific Heat (Kcal/kg/ºC) 0.21

Viscosity of Slurry (P) 15-20

Particle Size d50 (μ) 1.9

Note: 1)The temperature of bauxite residue slurry charged to the

filter is specified as 91̊C in the Heat & Mass Balance

Sheet attached. However, the Contractor shall apply this

temperature of 70̊C to the design of filter.


53/65

Particle Size Distribution

0

10

20

30

40

50

60

70

80

90

100

0.1 1 10 100

Particle Size （icron eter!

" u #

u l a t o n $ % &


54/65

7.12.8 Emulsion Flocculants

Characteristics of emulsion flocculants are shown below:

Properties Modified Polyacrylamide

In-oil Emulsion

Color White

Appearance Liquid

Odor Ammonia

Hazard Clause Burns of Eye and Skin

Specific Gravity / Density 1.0 Viscosity (cp at 28ºC) 800 (Bulk),

250 (1% Solution with Water)

Percent Volatile (% by wt.) 75

pH 14.0

Volatile Organic Content 250 gm/L

Flash Point > 98ºC

Storage < 40ºC

Petroleum Distillate Hydrotreated

Light

11.1 - 25.2

Sodium Hydroxide 2.5

Ammonium Hydroxide 4.5

Ethoxylated Oleyl Amine 1.0


55/65

7.12.9 Electrical

7.12.9.1Power Distribution

1)Power Generator System

• Normal : AC 6.6kV, 3 Phases, 3 Wires, 50 Hz,

100A resistance grounded neutral

• Emergency :AC 6.6kV, 3 Phases, 3 Wires, 50 Hz,


2)Power Supply (Rated Voltage for Distribution)

• Medium voltage :AC 6.6kV, 3 Phases, 3 Cores, 50 Hz,


• Low voltage :AC 400V, 3 Phases, 4 Cores, 50 Hz,

Directly grounded neutral

3)Rated Voltage for Electrical Equipment

a)New motor

• > 150 kw :AC 6,600V, 3 Phases, 3 Cores, 50 Hz

• ≤150 kw :AC 380V, 3 Phases, 4 Cores, 50 Hz

b)Transferred motor (to be transferred from SDK Yokohama.)

• > 37 kW : AC 3,000V, 3 Phases, 3 Cores, 50 Hz

• ≤ 37 kW :AC 200V, 3 Phases, 3 Cores, 50 Hz

c)Lighting• Main circuit :AC 380V, 3 Phases, 4 Cores, 50Hz

• Branch circuit :AC 220V, 1 Phase, 2 Cores, 50Hz


56/65

d)Power outlet

• Main circuit :AC 380V, 3 Phases, 4 Cores, 50Hz

•

Branch circuit :AC 220V, 1 Phase, 2 Cores, 50Hz• Socket outlet (general purpose)

:AC 220V, 1 Phase, 2 Cores, 50Hz

• Socket outlet (power)

:AC 380V, 3 Phases, 4 Cores, 50Hz

• Socket outlet (special)

:Depends on individual requirements.

e)Control circuit

• Medium voltage switchgear :DC 110V

• Low voltage switchgear (ACB, etc.) :DC 110V

• Low voltage motor control center :AC 110V220V

• Instrument and monitoring :AC 110V220V

f)Maintenance service power

• General purpose :AC 380V, 3 Phases, 4 Cores, 50 Hz

7.12.9.2Illumination Level

Outdoor illumination level shall be 50 Lx in main process areas and

be enough for walking in other areas.

Indoor illumination levels shall be as follows:

• Central Control Room :300 Lx

• Office :300 Lx

• Workshop, Warehouse :200 Lx

• Substation :150 Lx


57/65

7.13 Design Condition

7.13.1 Design Load

1)Wind Load :According to SNI standard.

2)Flow Velocity of Kapuas River :2.23 m/sec

3)Seismic Factor :0.03g

4)Rainfall Load :65 mm/Hr for one (1) hour

rainfall load:86 mm/Hr for thirty (30)

minutes rainfall load

5)Floor Load in Structure and Stage

Case A Case B

Floor, Joist, Collar

Beam

120 kg/m2 200 kg/m2

Main Beam, Column,

Foundation

60 kg/m2 100 kg/m2

Case A: For walkways and inspection decks

Case B: For stages and floors for maintenance work


58/65

7.13.1 Soil Condition

1)Soil condition, i.e. soil bearing capacity and pile bearing capacity,shall be calculated based on Soil Data in Soil Investigation Report

attached.

2)Soil condition calculated based on Soil Data of boring point DH1,

DH2 and DH3 in Soil Investigation Report shall be applied to the

design of facilities provided in the Jetty Site and the Water Site.

3)For the Administration Site, soil bearing capacity shall be 250

kN/m2 and the followings shall be applied to pile bearingcapacity.

• PC Pile 300 mm Dia. L=10m:350 kN

• PC Pile 400 mm Dia. L=10m:600 kN

7.13.1 Level and Elevation

1)Base Line (BL) of each Site shall be as follows:

Unit: mm

Site / Process BL Elevation

Jetty Site BL = JEL±0 = EL+64,000

Water Site BL = WEL±0 = EL+64,000

Alumina Site BL = PEL±0 = EL+68,000

Energy Site BL = EEL±0 = EL+68,000

Administration Site BL = AEL±0 = EL+95,000

Note 1: EL±0 means mean sea level of Pontianak port.


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2)Standard Height

Unit: mm

ElevationElevation of high point of ground level Max. BL+100

Elevation of low point of ground level Min. BL-100

Top elevation of foundation for:

(1)Inside buildings

• Concrete floor BL+200

• Equipment/Structures BL+400

(2)Outside

• Concrete slab (for areas surrounded by

spill wall)

BL+0

• Concrete Slab (for other areas) BL+100

• Equipment/Structures (except

thickeners)

BL+400

• Thickeners See Note 2.

Note 1:Concrete foundation level of building concrete floor and

equipment/structures shall be referred to Drawing No. B-

X-W-1000-006 “Paving, Floor and Road Level Standard”.

Note 2:Concrete foundation level of thickeners shall be referred

to the respective layout drawings.

3)Slope of Ground

Finished grade shall slope with a gradient of 0.2 to 0.3 %.


60/65

7.13.2 Clearance

The following clearance and space shall be considered for operation,maintenance and safety.

Head clearance for main roads :Min. 5.0 m

Head clearance for secondary roads :Min. 4.5 m

Head clearance for access ways for maintenance :Min. 3.5 m

Minimum head clearance for the access of person :2.1 m

Minimum horizontal space for the access of person :0.６m


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7.13.3 Width of Road

1)Basically, the width of roads, excluding sewerage ditches,provided inside the Plant shall be as follows:

• Width of main roads :10.0 m

• Width of secondary roads :8.0 m

• Width of vehicle access ways :6.0 m

2)2)The width of Access Roads provided outside the Site shall be as

follows:

Kinds of Access Roads Specification

Code Section / Name

R-1 Jetty Site to Alumina Site 12 m width asphalt paved,

16 m total width including shoulder

R-2 TKR to Alumina Site via

Administration Site

7 m width asphalt paved,


R-3 TKR to R-6 7 m width asphalt paved,

10 m total width including shoulderR-6 Administration Site to

Mining Site

7 m width compacted bauxite layer,


R-7 Mining Site to R-8 7 m width compacted bauxite layer,


R-8 Relocation of TKR 7 m width asphalt paved,


R-9 Main Mining Road 7 m width compacted bauxite layer,


Note) TKR: Trans Kalimantan Road


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7.13.6 Fluid Velocity

1)The pipe flow velocity to be used for designing the pipe size shall be as follows:

No. Fluid Name Pipe Flow Velocity

(m/sec)

Range Optimum

1 High Pressure Air PA, IA < 30 20

2 Air Blower Air 10 -15 12

3 Steam PS, PSL < 30 204 Water RW, IWA, IWB,

COW, PW

1.0 – 1.5 1.2

5 Liquor Pregnant Liquor,

Spent Liquor

1.0 – 1.5 1.2

6 Slurry for Chain 1 0.4 – 1.5 1.2

for Chain 2 0.8 – 1.5 1.2

for Chain 3 0.4 – 1.5 1.2

7 Pneumatic Conveyor PCL 15 - 20 16

2)The fluid velocity to be used for designing the equipment size

shall be as follows:

No. Equipment Fluid Condition Fluid Velocity

(m/min)

Range Optimum

1 Bag Filter Solid Particle: d50 > 10 μ - 1.5Solid Particle: d50 < 10 μ - 1.2

Solid Particle: d50 < 1 μ - 1.0

2 Air Slider Canvas - - 1.5

3 Air Filter - 15 - 20 15


63/65

7.14 Noise Level

The requirements of KepMen LH No. Kep-48/MENLH/11/1996 2“BAKU TINGKAT KEBISINGAN, Lingkungan Umum” (Noise Level,

Public Environment) and KepMen Tenaga Kerja No.Kep-

51/Men/1999 “NILAI AMBANG BATAS KEBISINGAN, Tempat kerja”

(Working Place, Noise Level) shall be applied to Noise Level.

Noise Level, Public Environment

KepMen LH No. Kep-48/MENLH/11/1996

Uses of Area / Environment of Activities Noise Level dB (A)

1) Uses of Area

a) Housing & Settlement 55

b) Trading & Services 70

c) Offices & Trading 65

d) Open Space 50

e) Industry 70

f) Government and Public Facilities 60

g) Recreation 70

h) Specific

- Air Port *

- Train Station *

- Port/Harbor 70

- Cultural Reservation Area 60

2) Environment of Activities

a) Hospital or Similar function 55

b) School or Other Education Facilities 55

c) Prayer building or similar function 55

Following noise level shall be applied.

• 1) - c): 65 dB for administration buildings and other offices.

• 2) - c): 55 dB for mosque and prayer room.

• 1) - e): 70 dB for other remained areas.


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Working Place, Noise Level

KepMen Tenaga Kerja No.Kep-51/Men/1999

Duration of

Contact/Day

Noise Intensity

in dB(A)

Duration of

Contact/Day

Noise Intensity

in dB(A)

8 hours 85 28.12 seconds 115

4 88 14.06 118

2 91 7.03 121

1 94 3.52 124

30 minutes 97 1.76 127

15 100 .088 1307.5 103 .044 133

3.75 106 .022 136

1.88 109 0.11 139

0.94 112


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7.15 Vibration

The requirements of KepMen LH No.Kep-49/MENLH/11/1996,“BAKU TINGKAT GETARAN UNTUK KENYAMANAN” shall be applied

to Vibration Level.

Value of disturbing case in the table mentioned below shall be

applied to the vibration level for this project.

Frequency

(Hz)

Value of Vibration Level in micron (10-6 mater)

Not

Disturbing

Disturbing Inconvenience Painful

4 < 100 100 - 500 > 500 – 1,000 > 1,000

5 < 80 80 - 350 > 350 – 1,000 > 1,000

6.3 < 70 70 - 275 > 275 – 1,000 > 1,000

8 < 50 50 - 160 > 160 - 500 > 500

10 < 37 37 - 120 > 120 - 300 > 300

12.5 < 32 32 - 90 > 90 - 120 > 120

16 < 25 25 - 60 > 60 - 120 > 120

20 < 20 20 - 40 > 40 - 85 > 85

25 < 17 17 - 30 > 30 - 50 > 50

31.5 < 12 12 - 20 > 20 - 30 > 30

40 < 9 9 - 15 > 15 - 20 > 20

50 < 8 8 - 12 > 12 - 15 > 15

60 < 6 6 - 9 > 9 - 12 > 12

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