Spec Unloading Arms II
Short Description
Terminal Specs...
Description
Page 1
TECHNICAL SPECIFICATION FOR LNG UNLOADING ARM SYSTEM
2
2009.08.10
Deleted Bunker fuel loading arm
1
2009.07.17
Revised as marked
0
2008.10.20
Issued for Construction
P0
2008.08.05
Issued for Approval
REV. NO.
DATE
DESCRIPTION
H.C. Oh JungKwan H.C. Oh JungKwan J.H. Yoon W.J. Choi / H.C. Oh JungKwan J.H. Yoon W.J. Choi / H.C. Oh JungKwan J.H. Yoon DESIGN CHECK Q.A
M.S. Kang M.S. Kang M.S. Kang APPROVED
CLIENT APPROVED
KOREA GAS CORPORATION 통영생산기지 2 단계 6 차 확장공사 TONGYOUNG LNG TERMINAL 6th EXTENSION PROJECT
TECHNICAL SPECIFICATION FOR LNG UNLOADING ARM SYSTEM
SCALE
JOB NO.
PHASE
DOCUMENT NO.
REV.
NONE
3415.OD
II
26 – M - A01 – SP - 004
2
DAEWOO ENGINEERING COMPANY KOREA GAS TECHNOLOGY CORPORATION
Page 2
CONTENTS
1.
General ............................................................................................................................................................4 1.1. 1.2. 1.3. 1.4.
2.
Scope of supply & work ...................................................................................................................................6 2.1. 2.2. 2.3. 2.4.
3.
General .............................................................................................................................................4 Definitions .........................................................................................................................................4 Language and units ..........................................................................................................................4 Design, standardization and interchangeability................................................................................5
Items to be purchased ......................................................................................................................6 Scope of supply ................................................................................................................................6 Scope of work ...................................................................................................................................8 Out of scope .....................................................................................................................................9
Project design data ........................................................................................................................................10 3.1. 3.2. 3.3. 3.4.
LNG process data...........................................................................................................................10 Site data..........................................................................................................................................10 Utility data .......................................................................................................................................12 LNG tanker data .............................................................................................................................14
4.
Applicable codes and standards ....................................................................................................................15
5.
Inspection and tests .......................................................................................................................................18 5.1. 5.2. 5.3. 5.4.
General ...........................................................................................................................................18 Shop inspection ..............................................................................................................................19 Site test...........................................................................................................................................23 Inspection and testing summary.....................................................................................................23
6.
Technical clarification & coordination meeting ...............................................................................................25
7.
Protection for shipment and handling ............................................................................................................25 7.1. 7.2.
8.
Supervision services for installation, test operation and training...................................................................27 8.1. 8.2.
9.
General ...........................................................................................................................................25 Quarantine requirements for wood packaging materials................................................................25
Supervision for installation and test operation................................................................................27 Training ...........................................................................................................................................27
Guarantee and patent infringement ...............................................................................................................27 9.1. 9.2. 9.3.
Guarantee.......................................................................................................................................27 Patent infringement ........................................................................................................................28 Guarantee item list .........................................................................................................................28
10. Spare parts and special tools.........................................................................................................................28 10.1. 10.2.
Spare parts .....................................................................................................................................28 Special tools ...................................................................................................................................29
11. Vendor data requirements..............................................................................................................................29 11.1. 11.2. 11.3. 11.4.
General ...........................................................................................................................................29 List of Vendor document and schedule ..........................................................................................30 Vendor data coordination procedure ..............................................................................................34 Mechanical data book.....................................................................................................................35
12. Technical bid requirement ..............................................................................................................................36 12.1.
Summary of technical specification ................................................................................................36
Page 3 13. Design specification .......................................................................................................................................48 13.1. 13.2. 13.3. 13.4. 13.5. 13.6. 13.7. 13.8. 13.9. 13.10. 13.11. 13.12. 13.13. 13.14. 13.15. 13.16. 13.17.
General ...........................................................................................................................................48 Design and construction .................................................................................................................48 Materials .........................................................................................................................................49 Swivel joints ....................................................................................................................................50 Quick-connect/disconnect cargo coupling (QCDC)........................................................................50 Emergency release system (ERS) .................................................................................................51 Accessories ....................................................................................................................................53 Hydraulic power system .................................................................................................................53 Operating control and emergency system......................................................................................55 General electrical, Instrumentation and control requirements........................................................57 Instrumentation and control requirements ......................................................................................57 Electrical requirements ...................................................................................................................58 Nameplates.....................................................................................................................................59 Painting...........................................................................................................................................59 Noise...............................................................................................................................................59 Material ...........................................................................................................................................60 Welding requirements.....................................................................................................................61
14. Attachments ...................................................................................................................................................62
Attachment #1. Data Sheets for Marine Loading Arms Attachment #2. P & ID and Layout Drawings Attachment #3. Related Technical Specifications Attachment #4. Purchaser’s Standard Forms
Page 4
1.
General
1.1.
General This specification, the associated data sheets and attachments outline the minimum requirements for the design, fabrication, construction, testing, inspection and supply of LNG Unloading Arm System and auxiliary equipment for Phase II - 6th Extension of TongYoung LNG Terminal. TongYoung LNG Terminal is located industrial complex 15 km from the center of TongYoung city, and in the vicinity of Pusan. The Terminal, which is under 4th, 5th & 6th Extension progress, is provided with above ground LNG storage tanks, Vaporizer, utilities and associated facilities.
1.2.
Definitions Purchaser or Owner or KOGAS
Korea Gas Corporation Head office: 215, Jeongja-Dong, Bundang-Gu, Sungnam, Kyunggi-Do, Korea (463-754) TEL : 82-31-7100-114 FAX : 82-31-7100-117/118 TongYoung office: 1179, Anjung-Ri, Kwangdo-Nyon, TongYoung-City, KyungNam, Korea (650-824) TEL : 82-55-640-6000 FAX : 82-55-640-6009
Engineer or DEC
Daewoo Engineering Company, which is the engineering company engaged by KOGAS for terminal detail engineering and supervision services. 9-3, Sunae-Dong, Bundang-Gu, Sungnam, Kyunggi-Do, Korea (463-825) TEL : 82-31-738-0481 FAX : 82-31-738-0465
1.3.
Vendor or Contractor
The person or firm of company whose tender has been accepted by Purchaser and includes the supplier’s duly appointed representatives, successors and permitted assigns.
LNG unloading system
LNG and NG arms with ancillary equipment covered in this specification.
Language and units
1.3.1
Language All documents and drawings to be submitted shall be lettered in English or Korean.
1.3.2
Units Following metric units shall be applied throughout for all documentation, drawings, operating and maintenance manuals etc and for charts and scales on instruments. Glossary
Units
Acceleration
m/s
Area
m
2
2 3
Glossary
Units 2
2 o
Heat transfer coefficient
W/(m .K), W/(m . C)
Illuminance (light)
lx (Lux) (lx = lm/m )
2
Density
kg/m
Length
mm (piping size – inch), cm, m
Electric conductance
mho
Mass
kg, t (Ton)
Electric conductivity
mho/cm
Moment, torque
N.m, kN.m
Page 5 Glossary
Units
Glossary
2
Units
Electric conductor (wire) size
mm
Electric current intensity
A (ampere)
Power
W, kW
Pressure, fluid
Pa, kPa, Mpa
Electric resistance
Ω (ohm)
Pressure, barometric
Pa, kPa
Energy, electrical
kW.h
Sound level
dB(A)
Energy, mechanical
J, kJ, MJ
Stress
N/mm , N/cm
2
2
Energy, thermal
J, kJ, MJ
Temperature
o
Flow, mass
kg/h
Thermal conductivity
W/(m.K), W/(m. C) h (hour), min (minute),
3
C (Celsius), K (Kelvin) o
Flow, volumetric
m /h
Time
Force
N, kN
Velocity
m/s
Viscosity, absolute,
cP (centipoises)
s (second), d (day) Fouling factor
2
2 o
m .K/W, m . C/W
dynamic
1.4.
Frequency
Hz
Heat capacity, specific
J/(kg.K), J/(kg. C)
Heat content or enthalpy
J/kg
o
Voltage
V (Volt)
Volume
m
3
Design, standardization and interchangeability
1.4.1
All parts of the equipment to be designed and manufactured in accordance with the latest acceptable degree of workmanship and modern engineering practice.
1.4.2
The equipment shall be designed to operate satisfactorily under all variations of load, pressure including surge pressure and temperature as may occur during normal operation and local climatic conditions.
1.4.3
The works shall be designed to facilitate inspection, cleaning, maintenance and repair. The design shall incorporate every reasonable precaution and provision for the safety of all those concerned in the operation and maintenance of the works.
1.4.4
Unless otherwise specified all parts of the equipment must be suitable in every respect for continuous operation at maximum output under the climatic and operation conditions peculiar to the erection site.
1.4.5
For the equipment, only those design and machine types that -
have been supplied for Pantograph cable type 16” or more LNG arm with the flow rate equal to or more than 5,000m3/hr, and it’s major components (defined as swivel joint, ERS, and QCDC) have been type approval tested in accordance with OCIMF and certified by third inspection agency (such as LR, DNV, SGS, ABS, TUV and BV) shall be offered. Innovations or proto type cannot be accepted. Vendor shall include all supporting evidence for above eligibility in his proposal. 1.4.6
Parts subject to wear shall be easily accessible and removable. Whenever possible adjustment shall be provided for taking up wear.
1.4.7
All equipment performing similar duties shall be of the same type and manufacture, in order to limit the stock of spare parts required and to maintain uniformity of equipment to be installed.
1.4.8
In case Bidder opposes to the Purchaser’s technical bid evaluation, Bidder may solicit perusal of its own technical bid evaluation sheet only before opening of commercial bid.
1.4.9
Owner reserves the right to ask for coordination of standardization to the extent reasonably possible and no price variation will be allowed for this procedure.
Page 6 1.4.10
Symbol and Legend Standard symbol and legend including line and equipment identification shall be applied to this project for unification in Purchaser. Unless specified in the attachment of this specification, Vendor's standard symbol and legend may be applied with the Purchaser’s approval.
2.
Scope of supply & work
2.1.
Items to be purchased The following item shall be furnished in accordance with the requirements specified in this specification and other related documents. ITEM No.
Q'TY
SERVICE
LA-103A/C
2
LNG unloading arm
LA-103B
1
LNG unloading / Vapour return arm
LA-104
1
Vapour return arm
REMARKS
All the related costs to be incurred by designing, documentation and tests & inspections at the vendor's factory shall be included in the cost of the materials. The Vendor shall include for the supply of all materials, equipment and services for the complete installation within the specified terminal points and battery limits with the exception only of those details specifically stated herein as being supplied by others. 2.2.
Scope of supply Vendor’s scope of supply shall include, but not be limited to: 1)
Two(2) sets of complete LNG unloading arms, one(1) set of complete LNG unloading / Vapour return arm, and one(1) set of complete Vapour return arm with:
Base, riser, inboard arm, outboard arm and counter weight balancing system
Electrical insulation at outboard arm end
Hydraulic operated ERS with two ball valves and one emergency release coupler
Hydraulic operated QCDC
Blind flange of QCDC coupler with safety valve and pressure gauge
Davit for handling for blind flange at outboard swivel joint
Mechanical support jack at outboard swivel joint
Mechanical locking to restrict slewing movement and movement of the inboard arm and outboard arm in stored position, manually operated from operating platform
Maintenance access and ladder
Maintenance platform for swivels
Flanged valve drain installed at shore side of ERS valve to drain outboard arm
Flanged valve drain with protector installed at bottom of outboard swivel joint to drain fluid trapped between the ship’s valve and loading arm valve
Nitrogen purging system for swivel joints with check valve
Cargo purging line from base riser to apex of inboard arm with non-return valve and shutoff valve
Page 7
Centralized greasing system with hand pump which allow grease injection on operating platform
2)
Deleted
3)
All required coupling spool pieces
4)
5)
Coupling spool flanges for LNG unloading arms and Vapour return arm (16”x20”, 4 sets)
Completed hydraulic system necessary for the operation of two (2) LNG Unloading Arms, one (1) LNG Liquid Unloading / Vapour Return Arm and one (1) Vapour Return Arm:
Power packs
Selector valve unit for each arm
Accumulators for ERS of each arm and arm maneuvering
Cylinders
All interconnecting hydraulic piping/tubing, valves, support clamps, etc
Completed electrical and control system consisting of:
Unloading arm control panel of explosion-proof type with: ▪
Arm maneuvering system
▪
Radio control receiver
▪
Microprocessor and display for PMS system
▪
Breaker for UPS power
▪
Purge control unit and filter regulator unit, if required
▪
Intrinsically safe units, if required
▪
All switches, lamps, etc
Local control station of explosion-proof type, installed near hydraulic power unit with switches
Alarm bell, alarm buzzer
Pendant control boxes with control cable (about 50m length)
Radio remote control system by joy stick (2 sets)
Position monitoring system with: ▪
Angle sensors on all arms
▪
All signals from UACP to PMS (refer to Unloading Arm Schematic Diagram and Signal list in Attachment #1.)
▪
Microprocessor and LCD VDU (min. 12”) with key pad for PMS in unloading arm control house(UACH)
All local instrumentation
All interconnecting wiring, cables and cable trays, etc. including electric power terminal boxes between Vendor furnished equipment
Interface with ESD (emergency shutdown system), DCS, MCC and LCS, etc
Minimum requirements for interface are listed in Unloading Arm Signal in section 17 of Attachment #1 6)
Completed access/support structure including all ladders, platforms, etc
7)
One (1) set of nitrogen regulator unit for swivels purge with sight flow indicator at each outlet, pressure indicator at inlet/outlet
Page 8 8)
Nitrogen purge system pipe work completed with all necessary valves and fittings
9)
Two (2) sets of spotting centreline indicator (stainless steel)
10)
One (1) set of dummy manifold flange skid, cradle type with swing casters
11)
All supports and foundation bolting, shims and accessories necessary for the setting, adjustment and anchorage of the equipment supplied
12)
Initial fill of hydraulic oil for hydraulic system, and any special fluid required for flushing the hydraulic system during commissioning
13)
All internal piping required for lubrication, drain, vent and sealing
14)
Vent and drain valves as required
15)
A completed set of all special tools jigs and lifting devices etc. necessary for the site assembly, installation, normal maintenance and repair of the equipment in vendor supply
16)
Spare parts for installation and commissioning
17)
All documents required by this specifications
18)
All necessary components, accessories and appurtenances, as normally provided, whether mentioned in this specification or not
19)
Nameplates
20)
Aircraft warning device of explosion-proof type, if the top of arm is over 60m from M.S.L.
21)
Earth lugs
The Vendor shall provide all the materials needed for site assembly and installation of the arms and their ancillaries (foundation bolts, gaskets, hydraulic pipes, hoses, couplings, electrical interconnecting cables, etc.) according to the layout of the loading platform. Any special tool or equipment needed for assembly and normal maintenance shall also be provided by the Vendor. All components within the LNG unloading arm system shall be completely assembled at Vendor’s shop. Base risers and foundation bolts shall be delivered prior to arm package delivery upon Purchaser’s request. 2.3.
Scope of work 1)
Guaranteed allowable forces and moments on the nozzles which are connected by Purchaser’s piping
2)
Information for foundation design including static & dynamic loading data with various direction
3)
KOSHA (Korean Occupational Safety & Health Agency), KTL (Korea Testing Laboratory) or KGS (Korea Gas Safety Corporation) certificates for explosion proof type electric equipment and instruments (See Section 5.1.6.)
4)
Documents and certificates of pressure vessels and/or high pressure equipment for KGS certificates (See Section 5.1.7)
5)
KGS certificates for safety valve, ball and globe valves for LNG, NG, N2 and fuel gas system (See Section 5.1.8.)
6)
Painting up to finish coating at shop
7)
Coordination meeting
8)
Supervision for installation, commissioning and performance test
9)
Training for Purchaser’s trainees
10)
Packing for export
11)
Inspection and test required by this specification
12)
Performance guarantee
Page 9 13) 2.4.
Performance test at site (Vendor witness)
Out of scope 1)
Detailed design and supply of all materials for site foundations
2)
All construction personnel and plant required for the complete erection of the units.
3)
Plant lighting and earthing
4)
Electrical power supply including Uninterrupted Power Supply (UPS) and wiring to vendor supplied terminal boxes
5)
Nitrogen supplies for Arm Purging
6)
Pipe work and piping up to Arm risers and from drain connections. The latter are to be located local to grade
7)
Unloading arm control house (UACH)
8)
Foundation and civil work
9)
Instrumentation outside battery limit
10)
All external power and control wiring
11)
Motor starter
12)
ESD and DCS
13)
Field installation
14)
Insulation work & material (But insulation support/clips on equipment shall be Vendor’s scope.)
15)
Spare parts for 2 years operation (But, the recommended spare parts list with itemized price shall be submitted for Purchaser’s review.)
Page 10
3.
Project design data
3.1.
LNG process data
3.1.1
LNG Component Nitrogen Methane Ethane Propane i-Butane n-Butane i-Pentane n-Pentane
Molecular weight GHV kJ/Nm3* SG Liquid Latent heat kJ/kg
Case 1 Lean 0.00 96.74 1.89 0.68 0.34 0.34 0.01 0.00 100.00
Composition Mol % Case 2 Case 3 Rich Max N2 0.00 1.0 85.12 94.33 8.63 1.97 4.14 2.50 1.10 0.10 0.90 0.10 0.10 0.00 0.01 0.00 100.00 100.00
Case 4 Typical 0.04 89.26 8.64 1.44 0.27 0.35 0.00 0.00 100.00
16.791 41,370 0.434 524.1
19.320 46,734 0.478 526.7
17.924 43,749 0.455 528.8
17.189 41,760 0.448
*Nm3 measured at 1 Atm, 0 °C. 3.2.
Site data
3.2.1
Plot plan MSL (In-chon mean sea level) Sea water intake & B-C tank area LNG tank (#1~#5, #13) area, process area & utility area LNG tank (#6~#12, #17) LNG tank (#14, #15, #16) area & Future space Unloading Arms area
3.2.2
: : : : : :
EL. +0.0 m EL. +4.0 m EL. +5.0 m EL. +9.0 m EL. +9.0 m EL. +6.227 m (DL.+7.5)
General site data 1. 2. 3. 4.
Aircraft warning requirement Air corrosiveness Vibration transmittal precautions Noise precautions
: : : :
5. 6.
Water pollution precautions Tidal data
: :
On structures over 60 m and LNG storage tanks Yes Corrosive coastal sea water environment Yes Earthquake zone in accordance with NFPA 59A and see 8, Earthquake data Yes 85dB(A) max at 1m from equipment except compressor shelter & decompression station 125-135 dB(A) max for relief valves 45 dB(A) max at terminal battery limit 80 dB(A) max for control valves Yes HHW : EL. +0.939 m MSL : EL. +0.0 m LLW : EL. -1.273 m
Page 11
Current
7. 8.
9.
Maximum spring Maximum neap Minimum spring Minimum neap H1/3 = 1.7m T1/3 = 4.88 sec
Max. wave height : Return Period 50 years General earthquake data : a. Operational basis earthquake (OBE) parameters Peak ground acceleration = 0.1 g Peak ground velocity = Refer to UBC 1997 Peak ground displacement = Refer to UBC 1997 b. Safe shutdown earthquake (SSE) parameters Peak ground acceleration = 0.2 g Peak ground velocity = Refer to UBC 1997 Peak ground displacement = Refer to UBC 1997 c. For equipment items that are designed for SSE, allowable stresses are to be determined in accordance with NFPA-59A, 4-1.3.5 as permitted by UBC 1997, sections 1634.1.2 alternative 2, or 1643.4, where I =1.0 for all items. Equipment earthquake data : Item
Facilities
Mechanical
3.2.3
: 19.4 cm/sec : 4.98 cm/sec : ~ 0.0 cm/sec : ~ 0.0 cm/sec
Design Seismic
Unloading arm
Remark
S.S.E 0.2g
Wind and barometer Prevailing direction by height Prevailing velocity (mean) Design velocity Average monthly wind velocity
: : : :
Month
1
2
3
4
5
Wind Vel.
2.6
2.7
2.8
2.9
2.4
Barometric pressure
:
Maximum rate of change of barometric pressure
:
ENE 2.5 m/sec 40 m/sec @ 10m elevation [m/s] 6
7
8
9
10
11
12
2.2
2.7
2.5
2.1
2.0
2.4
2.4
104.03 kPa.a (maximum) 102.48 kPa.a (average) 97.01 kPa.a (minimum) 0.49 kPa/h (Rise) 0.44 kPa/h (Fall)
Page 12 3.2.4
Air temperatures Maximum summer Minimum winter Winter design Mean annual Average monthly temperatures
: : : : :
Month
1
2
3
4
5
Temperature
2.5
3.7
7.9
13.0
17.2
Black body temperature Minimum air relative humidity Maximum air relative humidity Mean air relative humidity Design relative humidity for cold service 3.2.5
6
7
8
9
10
11
12
20.6
24.2
25.7
22.0
17.0
11.5
5.3
: : : : :
65 °C 6.0 % 100 % 68.5 % 82 %
:
Precipitation shall be calculated for a 1 in 50 year return period as:
Precipitation Design rainfall
I 50
755 t 1.81
mm / hr
Design snow loading Paved area runoff Unpaved area runoff 3.3.
36.9 °C -11.6 °C -11.6 °C 14.2 °C °C
Where t= period in minutes : : :
300 kg/m2 100% 10%
Utility data
3.3.1
Electric power utilisation Motors a) above 149.2 kW b) 0.56 kW to 149.2 kW c) below 0.56 kW for process critical service, including lube oil pumps d) below 0.56 kW for non-process service Heaters a) above 7 kW b) above 3.1 kW to 7 kW c) 3 kW and below d) space heaters for panels e) space heaters for 6.6 kV motors f) space heaters for LV motors (if necessary) g) trace heating Instrumentation and communications a) Instrumentation – critical b) Instrumentation – non-critical c) Communications Notes: -
6.6 kV 440 V 440 V
3 ph 3 ph 3 ph
60 Hz 60 Hz 60 Hz
220 V
1 ph
60 Hz
440 V 440 V 220 V 220 V 220 V 220 V 220 V
3 ph ph-ph 1 ph 1 ph 1 ph 1 ph 3 ph
60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz
115 V 220 V 115 V
UPS
1 ph 60 Hz 1 ph 60 Hz 1 ph 60 Hz
UPS
Voltage variation ± 10% Frequency variation ± 5% Where equipment requires voltages not listed above the equipment supplier shall provide the appropriate transformers, rectifiers etc.
Page 13 3.3.2
Low pressure fuel gas Pressure, nor. / design Temperature Composition and heating value Component
Case 1 Lean 0.00 96.74 1.89 0.68 0.34 0.34 0.01 0.00 100.00
Nitrogen Methane Ethane Propane i-Butane n-Butane i-Pentane n-Pentane Total
Molecular Weight 16.791 GHV kJ/Nm3* 41,346 SG Liquid 0.434 *Nm3 measured at 1 Atm, 0 °C. 3.3.3
17.189 41,735 0.448
17.924 43,723 0.455
Min. GHV 22.0 78.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0
Max. GHV 0.0 100.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0
18.64 31,413 NA
16.0 39,698 NA
: : : : :
min / nor / max. 0.39 / 0.64 / 0.78 MPa.g Ambient (max 50°C) 0.98 MPa.g 65°C Dew point –40 °C, oil free
: : : : :
0.69 MPa.g Ambient (max 50 °C) 0.98 MPa.g 65°C Oil free, not dried
Plant air Operating pressure Operating temperature Design pressure Temperature Quality
3.3.5
19.320 46,706 0.478
Boil off Gas
Instrument air Operating pressure Operating temperature Design pressure Design temperature Quality
3.3.4
: 0.69 / 0.98 MPa.g : Ambient, Max. 54 oC : HP Fuel Gas Letdown Composition Mol % Case 2 Case 3 Case 4 Rich Max N2 Typical 0.00 1.0 0.04 85.12 94.33 89.26 8.63 1.97 8.64 4.14 2.50 1.44 1.10 0.10 0.27 0.90 0.10 0.35 0.10 0.00 0.00 0.01 0.00 0.00 100.00 100.00 100.00
Nitrogen Liquid nitrogen will be imported by road tankers, and will be supplied through storage tank and vaporizers. Operating pressure : Low pressure N2 : normal 0.784 MPa.g : design 9.8 MPa.g High pressure N2 : normal 19.61 MPa.g : design 21.55 MPa.g Oxygen content : Less than 80ppm Water content : Dry Misc. Impurities : CO2 and oil free
3.3.6
Waste disposal Oily water Oily water discharge limits
: :
To sea via treatment
n-Hexane (mg/l)
Suspended Solids (mg/l)
COD (mg/l)
BOD (mg/l)
pH
= 30
ERC CLOSE
INBORD ANGLE
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