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Project TAM DAO 05 JACK-UP RIG Title: TECHNICAL REQUIREMENT FOR HVAC SYSTEM Doc. No.: GK002 - ME - PS - 020A TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM Note: New issue shall supersedes all previous, which shall be cancelled immediately. Rev . Issued Reason PV SHIPYARD VSP Prepared by Checked by Approved by Approved by Date Name Date Name Date Name Date Name

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC SYSTEM

Doc. No.: GK002 - ME - PS - 020A

TECHNICAL REQUIREMENT FORHVAC AND REFRIGERATING SYSTEM

Note: New issue shall supersedes all previous, which shall be cancelled immediately.

Rev. Issued Reason

PV SHIPYARD VSP

Prepared by Checked by Approved by Approved by

Date Name Date Name Date Name Date Name

0 IFA 07.04.14 LBV 07.04.14 VNHP 07.04.14PTSNQT

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

TABLE OF CONTENTS

1. INTRODUCTION.................................................................................................................32. DEFINITION AND ABBREVIATION...............................................................................33. SCOPE OF SUPPLY............................................................................................................43.1 Engineering...........................................................................................................................43.2 Provide Equipment and Materials.........................................................................................53.3 Construction..........................................................................................................................63.4 Commissioning......................................................................................................................64. APPLICABLE CODES AND STANDARD........................................................................65. HVAC SYSTEM REQUIREMENTS...................................................................................85.1 Design Requirements............................................................................................................85.2 HVAC Concept.....................................................................................................................85.3 HVAC Basic Data.................................................................................................................95.4 Chiller System.......................................................................................................................95.5 Package Unit.......................................................................................................................125.6 Ventilation System..............................................................................................................125.7 Galley Extract System.........................................................................................................145.8 Air Handling Units..............................................................................................................155.9 Fans.....................................................................................................................................165.10 Heaters (In Duct / AHU Electric Type).......................................................................175.11 Filters...........................................................................................................................175.12 Weather Louvers..........................................................................................................185.13 Fire/Gas Dampers........................................................................................................185.14 Shut Off Dampers........................................................................................................195.15 Volume Control / Manual Shut-Off Dampers.............................................................195.16 Sound Attenuators........................................................................................................205.17 Grilles and Diffusers....................................................................................................205.18 Ducting Requirements.................................................................................................205.19 Piping Requirements....................................................................................................245.20 Electrical Requirements...............................................................................................245.21 Others Requirement.....................................................................................................306. REFRIGERATING SYSTEM REQUIREMENTS............................................................31

PETROVIETNAM MARINE SHIPYARD 2 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

7. MATERIAL........................................................................................................................358. PAINTING..........................................................................................................................369. SPECIAL TOOLS...............................................................................................................3610. SPARE PARTS...................................................................................................................3611. CONSUMABLES...............................................................................................................3712. TESTING AND INSPECTIONS........................................................................................3713. EQUIPMENT DELIVERY.................................................................................................3714. INSTALLTION AND COMMISSIONING.......................................................................3814.1 System Installation.......................................................................................................3814.2 System Commissioning...............................................................................................3815. WARRANTY......................................................................................................................3916. DOCUMENTS AND CERTIFICATES.............................................................................3917. APPENDIX.........................................................................................................................42

PETROVIETNAM MARINE SHIPYARD 3 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

1. INTRODUCTION

This specification covers the minimum requirement for the design, engineering, fabrication, construction, assembly, inspection, testing, packaging & delivery and others of HVAC and Refrigerating system and all associated accessories for project of TAM DAO 05 JACK-UP RIG.

2. DEFINITION AND ABBREVIATION

Class : ABS (American Bureau of Shipping)

Foundation : The structural belong to the rig structure which support to the skid of equipment

Skid : The equipment and their associated accessories shall be completed assembly on a base frame and ready for installation on board

A/C : Air Conditioning

ACCU : Air Cooled Condensing Unit

AHU : Air Handling Unit

FAT : Factory Acceptance Test

FCU : Fan Coil Unit

FD : Fire Damper

FGS : Fire and Gas system

LQ : Living Quarters

NA : Not Applicable

QA : Quality Assurance

QC : Quality Control

TBA : To Be Advised

VCD : Vendor Certified Documents

VMS : Vessel Management System

PETROVIETNAM MARINE SHIPYARD 4 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

3. SCOPE OF SUPPLY

The scope of work shall be Turn Key Package (Engineering – Equipment and Material Supply – Construction – Commissioning and Testing). The CONTRACTOR shall be responsible for complete design, equimpment and material supply, fabrication, packaging for shipment, delivery, assembly, installation, testing and commissioning of the complete HVAC and Refrigerating system to satisfy the requirements as specified in this specification and in other referenced documents and drawings.

4. APPLICABLE CODES AND STANDARD

The equipment and their associated accessories shall comply with the following latest editions codes and standards as below applied for offshore, oil and gas industrial including all additions and amendments in force as at the date of contract signing unless otherwise specified.

CONTRACTOR shall be responsible for obtaining all the above mentioned certifications and/or reports at no extra cost to the BUYER. Notwithstanding the scope of supply specifically stated in the purchase agreement, any additional items which are necessary for the whole machinery/equipment/system to fulfill the rules and regulations as listed shall also be within the responsibility of the CONTRACTOR to provide at no additional cost.

The Equipments are manufactured following other codes and standards may also be acceptable, provided that they are similar to or more stringent than the above mentioned codes and standards and subject to BUYER for approval. The Codes, Standards and Regulations include but shall not be limited to the following:

- Classification: ABS (American Bureau of Shipping), latest edition.

- ASHRAE: American society of Heating, Refrigeration and Air-conditioning engineers.

- SMACNA: Sheet metal and air conditioning contractor national association.

- DW 142 : Specification for Sheet Metal ductwork, low, medium, and high Velocity Pressure Air system

- NFPA 90A, 92A, 496 National Fire Protection Association

- IMO Resolution A.468 (XII): Code on noise levels onboard ship.

- SOLAS (The International Convention for the Safety of Life at Sea)

1974, 1978 Protocol and later amendments where being referred by the IMO MODU Code.

- OSHA : Occupational Safety and Health Act

- NORSOK H-001: NORSOK Standard for HVAC

- ISO 7547: Ships and marine technology - Air-conditioning and ventilation of accommodation spaces - Design conditions and basis of calculations

- ISO 15138: Offshore production installations. Heating, ventilation and air-conditioning

PETROVIETNAM MARINE SHIPYARD 5 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- ISO 8861: Engine-room ventilation in diesel-engined ships -- Design requirements and basis of calculations

- IEC: International Electro Technical Commission

IEC 60034 Rotating electrical machines

IEC 60529 Degrees of protection provided by enclosures

IEC 60947-4-1 Low Voltage Switchgear and Control Gear

IEC 60439 Low Voltage Switchgear and Control Gear assemblies

- API RP 2X/ ASME Section V/ ASTM E70 & E709 : Non-destructive Exam

- ANSI/ ASME B1.20.1 : Pipe Thread, General Purpose

- ASME Section IX/AWS D1.1: Structural Welding Code

- In general, the ducting system shall be designed and constructed to ASHRAE standard unless otherwise stated herein this section. All water cooled condensers to have water regulating valves.

5. ENGINEERING AND EQUIPMENT & MATERIAL REQUIREMENT OF HVAC

5.1 General requirement

- CONTRACTOR shall develop the calculation and design for the complete HVAC system including but not limited to:

Perform the engineering design, including detail calculation heat load/gain analyses for HVAC system sizing

Develop detail specifications, datasheets for system, system components

Develop detail chilled water piping, duct routing and equipment arrangement, piping and ducting support arrangment and shop drawings and all other detail drawings as required for fabrication and installation. Buyer will deveplop 3D model piping system, layout arrangement, and make shop drawing for fabrication and installation. Contractor will recalculate hydraulic data with buyer’s pipe routing and feedback. The latest calculation shall be approved by ABS. Buyer also supply Q, total heat rejection of condensor for owner calculate fresh water cooling system for condenser.

Duct Routing, duct ... shall be thuc ra la minh lam no chi cap single thoi hay la no lam ca GA?

All the engineering design shall be submitted to Buyer for review and approval

After getting approval from Buyer, Contractor shall submit directly to Class for approval

- CONTRACTOR shall supply all equipment and material of HVAC and Refrigerating system where applicable, required for satisfactory operation of complete HVAC and Refregerating system, including but not limited to:

PETROVIETNAM MARINE SHIPYARD 6 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

Fresh water cooled chiller units including:

Air cooled condensing units

Air handling units

Fan coil units

Chilled water pump

Expansion tank and accessories

Insulation for condensate drain piping

Condensate drain piping

Supply fans (individual units not associated with AHU's)

Exhaust fans

Supply air diffusers, return air grilles and wall louvers

Fire dampers

Motorized modulating dampers, pressure relief dampers, non-return dampers and volume control dampers

Sound attenuators

Sheet metal ductworks, hangers and accessories

Interfacing and termination junction boxes for incoming power supply and control wiring

Vibration isolation mounts

Ductwork insulation

Refrigeration / chilled water pipe and accessories

Insulation for refrigeration pipe and chilled water pipe

Fully integrated HVAC Control Systems including control panels and instruments

Control system for Refrigerating system including control panels and instruments

Walk-in compartment for Chiller room and Freezer room

Shelving for Chiller room and Freezer room

All necessary instrumentation for the indication and control of operational parameters, including all cabling and tubing

Water tight covers

All necessary electrical work including all cabling within the skid

Start-up and commissioning spares

Special tools for operation, installation and maintenance purposes

PETROVIETNAM MARINE SHIPYARD 7 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

Complete documentation and certificates submitted in accordance with the required equipment and materials.

- The equipment shall be specifically prepared and protected for operation in a marine and offshore environment

5.2 HVAC Design Requirements

HVAC system shall be designed for operating as following environmental conditions:

- Outside

Summer + 45ºC (113º F) dry bulb at 90% relative humidity (RH)

Winter - 10ºC (33.8º F) dry bulb at 30% relative humidity (RH)

- Inside living quarters, state room, hospital treatment room, jacking control room and all other offices:

Summer +23ºC (73.4º F) (+/-1oC ) dry bulb at 50% (+/- 5%) relative humidity (RH)

Winter +22ºC (71.6º F) (+/-1oC ) dry bulb at 50% (+/- 5%) relative humidity (RH)

- Prefer of fresh air ratio 70% (return air) / 30% (fresh air).

- Fresh air for accommodation shall be at least 30 m3/h per person.

- Seawater temperature from 0oC to 35oC

- Power supply on rig: 480V/3PH/60Hz – 230V/1PH/60Hz

- Rig compressed air source: 8.5 bar

- All machinery, components & systems essential for safe operation and installation of the unit are to be designed to operate under inclination of 100 in any direction during static condition and 150 in any direction during dynamic condition.

- CONTRACTOR shall design, furnish and install a complete new HVAC system for the Jack-up Rig. CONTRACTOR shall perform the engineering design, including heat load/gain analyses and submit the results to the BUYER for review and approval.

- The HVAC services shall be comprised of an integrated range of supply, heating, cooling, and extract systems, which shall be capable of operation in normal or emergency modes depending on the installation status.

- All components of the HVAC system shall be suitably interlocked to ensure correct operation during both normal and emergency operation.

- In the accommodation spaces, including recreation rooms, offices, etc., corridors shall not be used to collect return air. Return air from these spaces shall be ducted back from each space served.

- Air conditioning shall also cover stairways /wells in the accommodation block to stop condensation due to large temperature differentials.

PETROVIETNAM MARINE SHIPYARD 8 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Components shall be selected on the basis of location and proximity to hazards. Items located within a non-hazardous area (i.e., within the quarters) shall be industrially rated unless specifically noted.

- In accordance with requirements for equipment redundancy, all electric motors shall be minimum 110% duty.

- The HVAC System shall be located and sized base on the Rig’s arrangement as shown in the referenced appendix A.

- The required maximum temperature rise, minimum ventilation flow and rate of outside air changes for all spaces is generally given in the table below as a guidance, the CONTRACTOR is responsible for adjusting the guidelines for air changes or fan flow rates based on the actual volume or size of the spaces to be ventilated to achieve the air changes as required to meet current Class or Regulatory requirements. For the accommodation spaces the minimum number of air changes shall be at least 30 m3/h per person.

Space Mechanical Ventilation

Natural Ventilation

Air Change

Remarks

Supply Exhaust Supply Exhaust.

Radio Room X 10/HR A/C System

Mess Room X 10/HR A/C System

Dry Stores X 10/HR Explosion Proof Fans and Heaters

Change Room X 10/HR A/C System

Laundry X 15/HR A/C System

Hospital/Medic X 15/HR A/C System

Toilet X 15/HR A/C System

GalleyX X 20/HR MS

40/HR ME

A/C System

Switchgear Room X 2/HR A/C System

Stair ways X 6.5/HR

PETROVIETNAM MARINE SHIPYARD 9 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- All enclosed living and working non-hazardous spaces are to be maintained under a positive pressure. Access corridors and escape routes should be maintained at a pressure above that of adjacent cabins and other areas in order to provide smoke control in event of fire in an occupied space.

- The galley, laundries, change rooms and hospital treatment room shall have exhaust systems that are ducted directly to the weather away from other ventilation intakes.

- Each stateroom, office and public area shall have individual temperature control.

- Ductwork connections to outside atmosphere and through fire barriers should be provided with fire / gas dampers (SUS316) rated to that of the fire barrier.

- Toilet and shower space doors, without louvers, shall be undercut (130 m³/h maximum). The maximum air velocity through free openings shall not exceed 2 m/sec.

- Common supply with a separate exhaust fan for the smoking recreation room shall be arranged.

5.3 Chiller System

- All staterooms, recreation rooms, mess room, the hospital treatment room, the radio room, the jacking control room, offices, etc., and the switchgear room shall be air-conditioned using chilled water for each system. Heat shall be provided using an electric heat system located in air handling unit.

- The design of the HVAC cooling system shall consist of two (02) centralized chilled water units (chillers, one operating and one standby) each sized for 100% the total rig load. Each chiller shall have cooling capacity around 1020 kW and condensated by sea water.

- The chillers shall utilize screw-type compressors, and all equipment is to be of carrier manufacture or equivalent. The system shall have redundant pumps of circulation of the chiller water.

- The chilled water system shall be carefully sized to provide adequate chilled water to the AHU to produce the designed capacity. The system should consist of chilled water pumps, expansion tanks, control valves and accessories. The system should be well insulated to prevent condensation forming along any part of the system.

- This unit will the chilled water through a chilled water piping system to the air handling units to treat the air serving those areas as specified.

- This unit shall be a self-contained unit consists of necessary compressors, water-cooled heat exchangers, control valves, control panel with safety features, pre-piped, pre-insulated and pre-wired with-in a common skid ready for installation and connection.

- The machinery providing the air-conditioning to the quarters shall consist essentially of one central chilled water unit. The condenser shall be seawater cooled. The compressor and associated equipment capacity shall be capable of handling peak requirements of all air-conditioned spaces with all air-handler units operating.

PETROVIETNAM MARINE SHIPYARD 10 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- System designed for refrigerant HFC-134a (or an approved equivalent) shall be provided for the compartments indicated on the arrangement plans. Refrigerant is to be of environmental friendly type.

- Air-handler shall be designed with copper tube and copper fins with epoxy coating. Each air-handler unit’s capacity shall be capable of handling peak requirements of the air-conditioned space or zone being served. Air handlers shall be fitted with moisture indicators, over-sized dryers and cleanable filters as well as a UV disinfectant system.

- Air handler system is to be designed for boost cooling and load fluctuations flow capacity to support areas such as mess and recreation rooms, high exhaust air volume loads such as smoking areas and other areas.

- In the design of the system, provisions shall be made to ensure performance is maintained even under low ambient temperature (e.g. cooling Switchgear room under outdoor winter conditions). Air-handlers shall be fully unitized equipment, complete with (isolatable) gauges, flow indicators, sensors, safety devices, instrumentation and controls. All materials used shall be suitable for a marine environment.

- All outside air vent supply registers for the quarters shall be equipped with a positive action screw down means of closure, watertight as required by Class.

- The chillers shall utilize screw-type compressors, and all equipment is to be of Carrier manufacture or equivalent.

- Two (2) x 100 % Centralized Chiller Water Units shall be installed to serve the air handling units coils at accommodation and machinery space as per below:

5.4 Accommodation

- Air handling rooms shall be located on each level for servicing of those areas. Medium or high pressure air distribution is to be utilized so as to reduce ducting sizes and number of air handling units (AHU). There shall be no more than (1) air handler room for each level of the quarters; preference is for an air handler room to serve multiple levels. Temperature control of individual spaces shall be provided by volume adjustment of supply air terminals using opposed blade dampers.

- Each stateroom, office and public area shall have individual temperature control. The relative humidity within the accommodation spaces shall be maintained between 30% and 70% regardless of external conditions.

- Gas detectors shall be located in the duct close to the air intake as possible.

- The primary supply air distribution system shall be a medium velocity ductwork system.

- Air shall be supplied through ceiling-mounted supply air diffusers of standard design.

PETROVIETNAM MARINE SHIPYARD 11 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

No. Tag No. Description Q’ty Service Space Remark

1 AU-0201 Air handling unit 01 On main deck and 01 level of the quarters

See sheet 1 of GK002-GA-DR-007 Dwg

2 AU-0202 Air handling unit 01 02 level of the quarters

3 AU-0203 Air handling unit 01 03 level of the quarters See sheet 2 of GK002-GA-DR-007 Dwg4 AU-0204 Air handling unit 01 04 level of the quarters

5 AU-0205 Air handling unit 01 Level 05 and Helideck of the quarters

See sheet 3 of GK002-GA-DR-007 Dwg

5.5 Machinery Deck

AHU for Machinery Deck

- Additional air handler room(s) shall be located on the machinery deck to serve the switchgear room.

- Two (02) additional AHU will be located on machinery deck. Each air handler room shall be designed so as to provide at least 100% redundancy for the designated heat load. Each one serve for these below areas:

No. Tag No. Description Q’ty Service Space Remark

1 AU-0206

AU-0207

Air handling unit 02

(1 running/

1 standby)

Switch gear,

electrical workshop,

mechanical workshop,

mechanical office room

See GK002-GA-DR-

003&004 Dwg

Chilled-water air treatment unit for Machinery Deck

- Three (03) additional chilled-water air treatment unit will be located on machinery deck. Each Chilled-water air treatment shall be designed so as to provide at least 100% redundancy for the designated heat load.

- Chilled-water air treatment unit such as Hydronic cassette FCU, Room fan Coils, Ducted FCU, Horizontal Ducted FCU, Individual Comfort Modules, Air Treatment Modules…ect shall be accepable.

- Each one serve for these below areas:

PETROVIETNAM MARINE SHIPYARD 12 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

No. Tag No. Description Q’ty Service Space Remark

1 WAT-0201 Air Treatment 01 Tool Keeper Room See GK002-GA-DR-004

Dwg2 WAT-0202 Air Treatment 01 Rubber Store Room

3 WAT-0203 Air Treatment 01 FWD Jacking Room

5.6 Package Unit

- Driller's Cabin, Mud lab room, Mud observation room, Galley room, UPS room, LIR/LER and cantilever MCC room packaged air conditioning units outdoor sections shall be stainless steel frame. Drillers cabin air conditioner unit to be mounted on top of cabin or outside cabin, not inside.

- The location of unit will be in hazardous area so equipment should be suitable for that application. (explosion proof, anti-sparking …)

- Package unit will be installed for these below areas:

No. Tag No. Description Q’ty Service Space Remark

1 PU-0201-IS

PU-0201-OS

Package unit 01 Mud Laboratory and Mud observation room

See GK002-GA-DR-004 Dwg

2 PU-0202-IS

PU-0202-OS

Package unit 01 Galley room See GK002-GA-DR-007 Dwg

3 PU-0203-IS

PU-0203-OS

Package unit 01 UPS room See GK002-GA-DR-007 Dwg

4 PU-0204-IS

PU-0204-OS

Package unit 02 MCC room See GK002-DL-DR-003 Dwg

5 PU-0205-IS

PU-0205-OS

Package unit 02 LER room

6 PU-0206-IS

PU-0206-OS

Package unit 01 Driller’s Cabin

5.7 Exhaust Fan

PETROVIETNAM MARINE SHIPYARD 13 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Air shall be extracted from the hospital room, smoking room, changes room, mess room and all toilets, including cabin wet units, in the quarters via separate exhaust fans. All (100%) of the air supplied to the hospital room, smoking room, changes room and mess room shall be mechanically exhausted through the exhaust fans.

- Air shall be extracted from the galley area via one 100% duty exhaust fan. The Galley exhaust fan shall be interlocked with the Galley supply fan. Location of the Galley exhaust fan to be decided during detail design. And the negative pressure is required.

- Dryer exhaust ducting for Level 1 laundry shall be provided to exhaust air from each dryer. Ducting shall be fitted with fire or control dampers as required to meet CA and regulatory requirements. A separate exhaust fan shall be provided for laundry. The design of the ducting shall consider the cfm output of dryers and maximum recommended losses from the dryer manufacturer. The design shall reflect as a minimum, separate (round) ducts for each dryer up to a level equal in height to the bulkhead penetration of the exhaust; at which point the ducts may be combined into a single larger duct prior to fitting fire or control dampers and prior to penetrating the bulkhead. Dryer dampers shall be of stainless steel construction. Preferably, the laundry exhaust fan should be located inside the room and above the false ceiling.

- The laundry exhaust fans for laundry shall extract air from the laundry compartment, as well as from each dryer via an indirect "funnel-type" connection at the dryer to allow air to be drawn from the compartment when dryers are not running, minimizing pressure fluctuations in the laundry rooms. Ducting shall be fire rated as required to meet rules and regulations. Fans shall be selected with self-cleaning blades to avoid lint build-up and shall include a removable access cover.

- Ducting for the Level 1 dryers shall be led to an exterior downward-facing cowl a minimum of 6'0" above Level 1 to allow closing the vent without need for a ladder. The cowl shall be fitted with a watertight closing appliance.

- The contractor shall develop an arrangement for Owner review and approval. The proposed arrangement shall ensure that duct losses do not exceed dryer manufacturer recommendations.

5.8 Galley Extract System

- The quarter’s galley extract system shall be comprised of 1 x 100% duty exhaust fan. The fan shallhave good access for maintenance purposes.

- The galley extract system shall serve the following areas:

One (1) two-section exhaust hood located over the central cooking area in the main Galley

Main Galley & Bakery Areas

Dishwashing Area

- Galley exhaust ducting shall include swept bends. No turning vanes are to be included in ductwork.

PETROVIETNAM MARINE SHIPYARD 14 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Air supplied into the mess area shall be partly transferred into the galley. This air shall be extracted through the galley hood. The canopy over the central cooking area will incorporate removable grease filters, and will incorporate a fire suppression (wet chemical) system..

- Fire dampers shall be provided where required to maintain the fire rating of the galley. The extract duct shall be fire rated to an AO standard within the galley and shall also be AO rated as the duct passes through other areas of the module.

- Silencers and sound attenuators in the galley extract system are to be avoided where possible. Ifnecessary to achieve noise levels, the sound attenuators shall be supplied with suitable access forcleaning. These silencers and sound attenuators shall be constructed of AISI 316L stainless steel.Galley ductwork shall have necessary access for cleaning. As a minimum, access shall be provided every 10 feet (3 m). Access openings shall be at least 18" x 18" to permit proper access. Ducts too small to allow this size access shall have access panels 4" less in width than the width of the duct, and 18" long.

- Exhaust ducting to the exterior shall be terminated a minimum of 6'0" (to bottom of vent louver) above 02 Deck on the landing Starboard of the LQ, in a protected location, and fitted with watertight closing appliance. Ducting shall not protrude past the deck edge of the LQ, and where applicable, shall be fitted with a downward facing cowl. External ducting and vent arrangements shall be subject to Owner approval.

- Exhaust ducting, fabricated from 3.5 mm 316L stainless steel, shall be run from each hood to a discharge location as approved by the Regulatory Bodies. Exhaust ducts shall be fitted with a vapor collector for handling oil based mud vapors.

5.9 Air Handling Units

- The AHU's shall typically include the following items of major equipment:

A filter unit of manufacturer's standard to remove airborne contaminates, and reduce dustconcentrations to acceptable levels. The filters shall be of the disposable type.

Centrifugal fan complete with industrially rated motor.

Cooling Coil(s)

An electric shut off damper on the outlet connection of the AHU which automatically closes when the fan stops.

A manually operated shut off damper on the inlet connection of the AHU.

Volume control dampers on the inlet to proportion the quantity of fresh / recirculated air.

Electric Heaters

- Units shall incorporate an insulated casing, with easily removable top and side panels fixed to a substantial box section framing. All joints between panels and framing shall be complete with fire retardant gaskets, and shall be airtight when closed.

PETROVIETNAM MARINE SHIPYARD 15 / 42

Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Fan and motor assemblies shall be mounted on anti-vibration mountings. Motors shall be mounted to permit easy removal and replacement and tensioning of belts. Units shall be provided with flanges for connection of ductwork on both air inlet and discharge.

- Each unit shall be complete with a single base frame capable of supporting the whole unit during lifting. Lifting lugs shall also be fitted to the frame. When dissimilar metals adjoin, suitable insulating gaskets and sleeves, etc, shall be used.

- The base frame shall be fabricated from mild steel. Panels and framing shall be fabricated of stainless steel for the main supply AHU's and of galvanized steel for the general extract units. The Air Handling Unit fans shall be operated for a 30-minute test for vibration and bearing temperature.

5.10 Fans

- Fans shall be selected to operate on the steep part of their performance pressure / volume curve to ensure minimal volume fluctuations during adverse wind conditions.

- Fans shall be belt driven or direct driven and have backward curved impellers. Each fan and motor assembly shall be skid mounted. Motors should be mounted out of the airstream where practicable and appropriate. Fans shall have an inherent non-overloading performance characteristic.

- Direct drive axial type fans may be used. However, adequate pressure margins shall be added to the fan to ensure "stall" recover under adverse wind conditions.

- Fan support skids shall be manufactured from mild steel and hot dip galvanized after manufacture or from pre-galvanized sheet metal where this reflects manufacturer's standard.

- All fans and motors shall be isolated from the structure by anti-vibration, (A/V), mounts. Each fan shall also have heavy duty inlet and discharge flanged flexible connections. A minimum of 95% isolation efficiency shall be achieved through A/V mounts and flexible connections. Flexible connections shall be so constructed as not to constrict the movement of adjacent ducts or fans. Flexible connections shall be subject to Owner for approval. Flexible connections for circular fan inlets do not have to be flanged.

- Flexible connections shall be manufactured from fire retardant material in accordance with standards.

- The flexible connections shall not be used to overcome misalignment of equipment. The minimum length of flexible connections shall be 4-1/2" (115 mm)) and the maximum length 10" (250mm).

- Anti-spark features shall be incorporated which shall include brass rubbing rings / plates fitted to casing and guards to minimize the risk of sparks due to excessive wear or radial movement.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Belt guards shall be fitted to all drives and shall be complete with brass anti-sparking rubbing strips where required. Belt guards shall incorporate a mesh viewing window or shall be mesh construction to enable viewing of the belt condition. Belt guards shall be sized to allow pulley changes to be made without necessitating new belt guards.

- All extract fans shall have vibration isolation mounts. Fan arrangements shall include all requiredducting, vents, louvers, dampers, and ancillary items.

- Each fan system shall include the following major components:

Centrifugal SISW Fans

TEFC Motor

Discharge Cowl / back draft damper (Cowls by Installer)

Electric Shut Off Damper

Inlet and Discharge flexible connections (FTP code)

Inlet inspection cover for maintenance access

5.11 Heaters (In Duct / AHU Electric Type)

- Heaters shall be industrially rated units, and may be mounted in the intake ducts upstream of the AHU's, in the AHU's themselves, or in the supply duct(s).

- Heater elements shall consist of sheathed black heat coils mounted on removable plates for easy withdrawal and maintenance.

- Casings shall be constructed from galvanized mild steel. Heaters shall be designed for a maximum element surface temperature of 305°F (150°C). The heaters shall operate on a 480V, 60 Hz, 3 Phase supply.

- Generally, heaters shall be arranged in stages, each stage given an even distribution over the total cross sectional area of the air stream. A local isolating switch shall be provided at the AHU/duct position, with lock off facility for use when isolation for maintenance or withdrawal is necessary.

- Each heater shall have contactors for each stage, manual and automatic safety controls and a flow switch to ensure airflow.

- Controls should be provided to ensure safe surface temperatures when airflow over the heater element is restricted or stopped.

5.12 Filters

- Air filters shall be rated in accordance with standards. Filters shall be of the bag or panel type, and shall be disposable. Filter frames and filter media support systems shall be of all galvanized steel construction. The contractor shall supply a full set of filters to fit all air handlers installed, and shall provide option pricing for a third, spare set for one air handler.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Air filter face velocities shall not exceed 1000 fpm (5 m/s), or as recommended by the equipment vendor, and pressure drops across filters shall not exceed 0.8 inches w.g. (200 Pa) when clean and 1.6 inches w.g. (400 Pa) when dirty.

- Filter media condition shall be indicated by a local pressure differential gauge.

- Filters provided shall meet indoor air quality requirements as dictated by rule, classification, and HVAC-specific standards. Filter selection shall be subject to Owner approval.

5.13 Weather Louvers

- Intakes to all HVAC systems shall be protected from adverse weather conditions by the installation of high efficiency louvers with bird mesh screens. Exhaust from systems shall be similarly treated, but the louvers may be a lower efficiency type.

- Cowls or swan necks, protected by bird mesh screen, may be used on inlets and outlets where additional benefit will be realized.

- The intake louvers shall have low air resistance with high moisture knock out capability.

- All metal parts and frames and louvers, including mesh, nuts, bolts and washers shall be constructed from seawater-resistant aluminum or stainless steel.

5.14 Fire/Gas Dampers

- Fire dampers may be pneumatically or electrically operated, subject to meeting all rules and regulations. Where electrical dampers are used on the periphery of the quarters, special attention shall be paid to the impact of gas around the quarters on safety, and compliance with rules to maintain the quarters as a temporary refuge.

- If electrical fire / gas dampers are used, then all dampers (including proportional and shut-off dampers) shall be electric. If pneumatic dampers are used, then all dampers (including proportional and shut-off dampers) shall be pneumatic.

- The maximum leakage rate through damper casing and blades when in the closed position shall not exceed 11.8 Ft3 /m/Ft2 (0.059m3/s/m2) nominal face area when subjected to a differential air pressure of 4 inches w.g. (1000 Pa).

- The pressure drop through open dampers shall not exceed 0.24 inches w.g. (60 Pa) at air face velocities up to 33 Ft/s (10 m/s).

- The equipment shall be designed to minimize turbulence and static pressure losses. The damper control mechanism shall operate uniformly and smoothly from the open to the closed positions ensuring freedom from erratic movement, even under slow compressed air bleed off. All pneumatic damper actuators shall be suitable for operation under compressed air supply conditions.

- Fire/gas pneumatic dampers shall be capable of opening and closing in any attitude or orientationover the full compressed air pressure range and the HVAC system air pressure range up to maximum differential pressure using 100% fan pressure.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Fire/gas electric dampers shall be capable of opening and closing in any attitude or orientation using100% fan pressure.

- All fire dampers shall fail to the closed position. Dampers shall be provided with thermal releasedevices to close the dampers when the air flow temperature exceeds 155°F (68°C).

- All materials shall be corrosion and erosion resistant, non-combustible and shall not emit toxic fumes when heated.

- The essential service function of these components requires that they be of a design which willensure reliability of operation during an emergency. As they may be left unused for long periods,construction shall be robust, using materials which are inherently non-corroding in the conditionspresent on an installation. Dampers shall be fitted with spring side seals.

- Blades shall be so-constructed than no intermediate supports are required inside the damper. All blades shall, when fully open, be enclosed within the casing. Multiple blades shall be formed to overlap one another.

- Fire/gas dampers shall have parallel or opposed blade action. The blade operation linkage and control devices shall be located out of the airstream, on the exterior of the unit. Bearings and shafts shall be stainless steel, and maintenance free. Fire damper frame and blades shall be a minimum 11ga (3mm) galvanized steel or stainless steel.

- Dampers shall be marine grade, certified for their intended use. Commercial grade dampers housed in fire-rated ducting shall not be permitted. Damper linkages, motor mounts, actuator mounts, etc. shall be mounted on a raised support to allow fire insulation to be fitted between the damper / duct, and the actuation mechanisms.

- Dampers shall be fitted with clearly visible, easily read and identified blade position indicators, showing damper closed, open, and positions in between. Indicators and mechanisms shall be mounted so as to ensure proper access for maintenance. Indicators shall be mounted such that personnel can clearly see the indicator while standing on deck, without the need to use ladders or step stools. When dampers are fitted behind ceilings, ceiling access panels will be provided as needed and the signal if necessary.

5.15 Shut Off Dampers

- Shut off dampers shall meet the same requirements as those for fire dampers. As applicable to a shut-off damper.

- Actuators shall be adequately sized for opening the damper blades against the spring return pressure. Damper blades shall have good aerodynamic performance and be capable of closing against the maximum fan pressure.

- Open/closed proximity sensors shall be provided, for remote monitoring of blade positions, together with mechanical open / closed position indicators for local signaling.

5.16 Volume Control / Manual Shut-Off Dampers

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Dampers shall be of suitable construction and materials comparable to the connecting ductwork / equipment. Manual shut off dampers shall be rigid construction.

- Rectangular dampers shall be of single or multi blade construction as appropriate for the duct size. Small circular dampers shall have a single flap type blade.

- Damper blades shall be formed to give good aerodynamic performance and strength, and in the case of the multi-blade type, shall be linked together to give opposed blade action. Any linkages shall be provided on the exterior of the ductwork.

- Each damper shall be fitted with a hand lever and indicator quadrant capable of being locked in any position from damper fully closed to fully open.

5.17 Sound Attenuators

- Attenuators shall be designed to offer minimum turbulence to the airstream. The pressure drop of asingle unit shall not exceed 0.6 inches w.g. (150 Pa).

- The duct case and internal splitters shall be of galvanized sheet steel or stainless steel as appropriatefor the service.

- Acoustic materials shall be non-combustible.

- All sound attenuation material shall have properties giving smooth resistance to airflow, adequatestrength and cohesion to resist erosion, prevent sagging and disintegration, freedom from odor, fireretardant, non dust producing, and rot, damp and vermin proof. Glass fiber or mineral wool shall notbe in contact with the airflow under any circumstances, including behind perforated gauge metal.

- Sound attenuators installed within the galley area shall be constructed in a similar manner to thatpreviously described for galley ductwork.

- Internal splitters shall be fabricated from perforated steel sheet securely joined to the outer casing, encasing an infill of inorganic and non-hygroscopic silencing media. Between the media and the perforated sheet, a polyester film sheet shall be fitted to prevent migration of the silencing media into the airstream.

5.18 Grilles and Diffusers

- Supply air in the quarters shall be provided through ceiling diffusers of the square, rectangular or circular type. Extract grilles in the quarters shall be fixed louver or fixed square pattern core type. The selection of grilles shall carefully consider the grille's acoustic properties and air flow patterns to ensure a minimum amount of drafts in the spaces served.

- Transfer grilles shall be of V blade or louver construction, no line of sight shall be provided.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- All grilles and diffusers for the quarters shall be made from painted sheet steel, or Owner approved equal. All grilles shall be of standard commercial range.

5.19 Ducting Requirements

5.19.1 Generals

- All ductwork shall be constructed to standards as per the "Sheet Metal and Air Conditioning Contractors National Association (SMACNA) "HVAC Duct Construction Standards - Metal and Flexible" 1st Edition 1985, unless specified otherwise.

- All ductwork flanged joints are to be provided with flameproof gasket material between the flanges. The duct system in the quarters is to be sealed at each ductwork joint. For double skinned ducts the joint seal shall be applied to the inner skin.

- Effective weather, fire and pressurization sealing is to be provided wherever ducting passes through walls, floors or roofs.

- Hinged, removable doors shall be provided in the ductwork where required to allow access to items of equipment for routine inspection and maintenance.

- Galley extract systems shall also incorporate sufficient access to permit full system and component cleaning.

- Ductwork supports and fixings shall be of suitable strength and durability compatible with the ductwork and any attached equipment, and shall be permanently fixed with "Nylok" or similar locknuts. Internal hangers and supports generally shall comply with SMACNA standards.

- External hangers and supports and those exposed to external ambient conditions, shall be designed to withstand wind-imposed loads in addition to static loads.

- Flexible ducting shall not be used on the installation except as a final connection in the quarters between ducting and associated ceiling diffusers, which shall be limited to a maximum length of 20 inches (500 mm). Flexible ductwork shall not be used to correct misalignment in ductwork.

- All ductwork fasteners (nuts, bolts, set screws, locknuts, washers) shall be of carbon steel protected by electro galvanizing or cadmium plating for galvanized ductwork and stainless steel for stainless steel ductwork. Any self-tapping screw shall be of stainless steel. Dissimilar metal contact shall be avoided. Where unavoidable suitable isolation between components shall be provided.

- All holes provided in the ductwork for insertion of instruments shall be provided with reusable covers which can be easily removed at a later date during re-commissioning. These covers shall be clearly labeled "VENTILATION TEST HOLE". Plastic covers shall not be used. Test holes shall not be provided in fire rated ductwork or flexible connections.

- Close fitting exhaust vent hoods shall be provided over each shale shaker, fabricated from stiffened 5 mm 316L stainless steel plate or suitable composite material.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Exhaust ducting, fabricated from 3.5 mm 316L stainless steel, shall be run from each shaker (shaker hood) to a discharge location as approved by the Regulatory Bodies. Exhaust ducts shall be fitted with a vapor collector for handling oil based mud vapors.

- All supply air ductwork systems shall be insulated where thermal conservation and anti-condensation protection is required. Double wall pre-insulated duct shall meet this requirement. The insulation shall be complete with vapor barriers where the ventilation air temperature is likely to be below the ambient dew point temperature.

- Air-conditioning ducts shall have 25 mm insulation on supply and 12.5 mm insulation on return air. Rectangular ducts shall be installed with a minimum 48 kg/m3 density fiberglass insulation board, 25 mm thick with a factory applied aluminum foil vapor barrier, minimum thickness 0.05 mm.

- All joints and seams of vapor barrier shall be lapped 75 mm whenever possible, and sealed with an aluminum foil tape 75 mm wide. To further ensure vapor barrier integrity, all seams and joints shall be sealed with an approved sealer. Round ducts shall be installed in the same manner using foil faced blanket insulation 25 mm thick with a minimum density 24 kg/m3. All joints in insulation are to be taped with foil adhesive tape.

- The addition of insulation to ducts generally should not affect the method of support, providing vapor barriers are not required. Ducts with vapor barriers require the installation of insulating blocks to prevent direct connection between support and duct. Double wall duct will not require insulation blocks.

- Ducting, other than major trunks or fire-rated ducting shall be of the circular type wherever possible to ease fabrication and installation. Ducting proposed shall be off-the-shelf ducting of standard manufacture, using standard fittings. The system proposed shall provide positive sealing to reduce/eliminate air leakage at duct connections. Supply ducting shall be of the double-wall, pre- insulated type. Extract ducting need not be insulated.

- All internal and external heavy duty ductwork shall be of fully welded construction.

5.19.2 Ductwork Design

- Ductwork shall be designed to minimize pressure drop and ensure noise levels are achieved; consistent with the type of system designed (i.e. low pressure or high pressure)

- Supply, return and extract ductwork in a low pressure system shall be sized to meet SMACNA/ASHRAE requirements (maximum velocities: 460MPM). Medium or high pressure air distribution is to be utilized so as to reduce ducting sizes.

- Medium or high pressure air distribution is to be utilized so as to reduce ducting sizes or the ducts shall be sized for conventional flow velocities (15m/s) to meet SMACNA/ASHRAE requirements.

- Where the Contractor can demonstrate that in-duct velocity does not contribute to area noise levels, velocities in excess of the above may be used. Ductwork shall be sized for a maximum pressure loss of 0.01 Inch w.g./ft (8 Pa/m) run. Where a designer believes a fully compliant

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

system can be provided using higher air velocities or duct losses, such a system may be proposed for consideration and shall be subject to Owner approval.

- High pressure system ducting shall be designed to ensure that noise limits are not exceeded. The installation of ducting shall ensure airtight seals at joints to avoid leakage, and associated noise. Ductwork systems shall be designed to include balancing dampers at each branch duct, or the outlet of the AHU to allow fully proportional balancing. Locations of balancing dampers shall be determined by the Contractor. The use of balancing dampers in the supply and extract systems shall be reviewed as the need for installation is dependent on the performance of the constant volume terminal devices and the potential to create excessive noise. Design engineers shall incorporate a sufficient number of dampers as required to properly balance the system.

- All ductwork systems shall be sized to be self-balancing as far as possible.

- The use of glass fiber or mineral fiber in any location, whether in ductwork or other locations, shall not be permitted where such fibers are exposed to the airflow, including behind perforated plates or panels. Such fibers shall only be used outside of ducting, behind a solid metal barrier (inner duct of a double duct system), or behind other suitable barriers approved by Owner and the owner.

5.19.3 Ductwork Distribution

- Supply and extract ductwork shall run external and internal to the quarters. The ductwork shall be rated to suit the areas served.

- Fire and control dampers shall be fitted as required to maintain the fire integrity of the quarters and to meet regulatory requirements. The operation of the fire and control dampers shall be controlled by the HVAC panel on a deck-by-deck basis, as well as from another location (if required by regulations). Damper status shall be provided at the Fire & Gas panel, or at a separate fire damper indicator panel. The separate panel(s) will be supplied and installed by the HVAC Contractor.

- Where fire dampers are fitted, they shall have a rating at least equal to the barrier they penetrate and shall not impair the barrier integrity. Damper controls shall be integrated into the overall safety system of the installation.

- Balancing dampers shall be fitted to all branch ducts and elsewhere as required to achieve correct balancing of the HVAC system. Dampers shall also be fitted to main line ducts in order to regulate overall airflow.

5.19.4 External Ductwork

- Trunks, ducts, covers, louvers, etc., exposed to the weather shall not be less than 6.5 mm steel plate and shall be watertight. Ductwork shall be suitably stiffened to avoid drumming.

- All other duct construction shall be in accordance with the Classification Society or specifications requirements (i.e. wall thickness, materials, etc.). Composite ducting materials shall be used wherever allowed by the Regulatory Bodies and Classification Society.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Welds shall be sprayed with cold galvanizing spray while welds are still hot to ensure proper adhesion of galvanizing to the weld

- The exposed ducts to be insulated with 1” thickness of rock wool or equivalent and supported with 0.5mm thickness galvanize perforated plate internally.

5.19.5 Internal Ductwork in Living Quarters

- All internal ductwork located within the living quarters module and control rooms shall be constructed from galvanized mild steel sheet in accordance with SMACNA standards.

- Generally, internal fire rated ductwork shall be constructed from 1.5mm thick galvanized steel. Welds shall be sprayed with cold galvanizing spray while welds are still hot to ensure proper adhesion of galvanizing to the weld, however galley ductwork shall be manufactured as 3.5mm thickness and A60 insulation outside.

5.19.6 Internal Ductwork Subject to Moist or Corrosive Atmosphere

- All internal ductwork handling a moist or corrosive atmosphere shall be of hot-dipped galvanized steel. Any welds shall be sprayed with cold galvanizing spray while welds are still hot to ensure proper adhesion of galvanizing to the weld.

5.20 Piping Requirements

- All interconnection piping shall be in carbon steel with valves and fittings. The ends shall be flanged in according the class requirements and operation conditions. All piping system shall be HDG after fabrication.

- The piping systems shall be carefully installed and every precaution taken to keep the system absolutely clean internally during erection. Before operating the chiller’s compressors, the system shall be cleaned by means of a special surge drum containing a filter, screen, and large quantity of desiccant, connected into the suction side of the system. Prior to cleaning and pressure tightness tests, the system shall be dehydrated by means of special vacuum pumps capable of developing a vacuum of at least –752 mm Hg. at -1 °C on a wet bulb vacuum indicator. All piping shall be insulated for design compliance and prevention of surface condensations. Insulation shall be by use of preformed closed cell half sections. Insulation must follow Buyer Construction standards. Contractor shall be supply all certificates approved type for insulation.

- All external piping end connections on the equipment shall be of ANSI standard flange, otherwise shall be provided with counter flanges, which are to be suitable for connection to ANSI B36.10 extra strong pipe (unless otherwise noted) and come with gaskets, bolts, nuts and washers.Condensor outlets are Victaulic connection type.

- All pressure gauges, compound gauges, pressure transducers and pressure switches shall be connected with an isolation valve, which shall be of the same materials as for the system. Control valve blocks connect with AHUs,FCUs are scope of Contractor.

- All gauges shall come with manufacturer’s calibration certificates, it must be connected with main pipe by three way ball valve.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Valve shall be suitably greased and oiled internally to prevent rusting during shipment.

5.21 Electrical Requirements

5.21.1 General

These describe the general requirements for all electrical equipment provided by CONTRACTOR and shall be complied unless otherwise stated in detail requirement:

- Electrical equipment/system shall be suitable for installing and continuous operation on an offshore facility in moisture and salt-laden atmosphere, high wind velocity encountered at sea and comply with Class requirements.

- Electrical equipment shall have type in accordance with environmental conditions in which they are installed.

- Electrical equipment placed on open deck shall have degree of protection not less than IP 56. The equipment installed inside enclosed room/spaces without A/C (air conditioning) shall have IP not less than IP 44 and with A/C – IP not less than IP 22, unless acceptable by Class.

- Electrical equipment located in flame-explosion hazardous areas shall be of explosion proof in accordance with regulations of IEC/NEC and accepted by Class.

- Motors shall be designed for operation in ambient temperature as required by the Regulatory Bodies. All motors shall be squirrel cage induction type rated for Class "F" insulation with 1.15 service factor (SI). All electric motors in the hazardous areas shall be ATEX certified and rated for the relevant gas group type and have a minimum temperature rating of T3.

- Electrical/mechanical equipment shall be protected by use of heat lamps and/or supplying electrical source for equipment heaters according to Vendor’s/Manufacturer’s recommendation unless otherwise stated.

- All internal circuits shall be pre-wired. Each circuit must be clearly identified by cable marker.

- Electrical Equipment shall be with means for earthling and bonding.

- The equipment shall be completed with suitable metric cable gland. Special connector shall be supplied too.

- All cables are, at least, to be of flame retardant according to IEC332-1 and IEC332-3. For cables of circuits that shall function for some time in fire are at least to be of fire resistant according to IEC331.

- Cable conductors shall be copper for all types of cable. Conductors shall be tinned annealed for control and signal cables.

- All cables shall have EPR/XLPE insulation and copper cores with minimum cross section as follows:

For power cables: 2.5 mm2.

For control cables: 1.5 mm2.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- Available Rig electric power supply:

480 VAC, 60Hz, 3 phases, 3 wires

230 VAC, 60Hz, 1 phase (Main & Emergency)

Power for provided equipment operation which is different from the two above sources shall be converted by CONTRACTOR’s means.

- Electrical equipment shall be provided with nameplates and carry unique marking for identification. Name plate to be provided for each complete unit/skid. This plate shall be of stainless steel made for outdoor and flame retardant laminated Phenolic type plate for indoor, and shall be fixed at a visible and accessible site. All nameplates are to be in English Language. The name plate shall include at least the following information:

Name of equipment

Maker

Model no/Serial no.

IP rating

Electrical ratings

5.21.2 Control Requirements of HVAC System

- HVAC control systems should provide for each HVAC unit (to be included AHU & Chiller Water, etc.) the following but not be limited to:

Start-up under normal conditions

Control of environmental temperatures and humidity

Controlled heater

Controlled shutdown system

Controlled fire damper, if any

Controlled to shut off damper, if any

Controlled to interface with Fire system

Controlled to interface with Gas system

Controlled to interface with Vessel Management System (VMS)

Controlled to interface with Emergency shutdown system

Control LQ fans

Emergency operation of selected HVAC systems

Control under partial or differing operating modes

Alarms to be given when operation limits are exceeded

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

Messages to be given when function failure are deleted

Values of temperature/humidity shall be displayed on panels

- CONTRACTOR should provide an integrated HVAC control and alarm strategy for normal and emergency operation.

- Fire damper for each area/level shall be controlled and indicated from the panels in those areas/level and to be interfaced with control panel of each HVAC unit. Beside that, there shall have local status indicator for dampers that shall be installed at invisible location.

- Stater panel to control all ventilation fans in LQ shall be provided.

- Electrical circuits, conductor enclosure and equipment shall be effectively bonded and earthed throughout the unit’s main structure to ensure safety of personnel and apparatus, and to prevent fires or mechanical damage resulting from lightning or static electricity.

5.21.3 Operating Philosophy

- Following fan motor of air handling unit for each HVAC unit to be failure or during routine maintenance operations, automatic interlocks or alternate means such as the use of motorized fan inlet guide vanes shall be provided to maintain safe (positive pressurization) conditions within the quarters, drill floor safe house if any.

- Following the restoration of a failed fan, shutdown fans shall be enabled to restart by a manually activated system reset.

- In case toxic gas /flammable gas have on fresh air intake, only fire damper for fresh air shall be shut down and air inside room shall be provided to circulate maintaining positive pressurization within the quarters, drill floor safe house if any. Other case flammable gas have inside room, all fire dampers shall be shut down.

- Operating philosophy shall be accordance with the requirements of Class and Regulatory Bodies.

- System Pressurization fans at the corridors in LQ should be provided to prevent H2S or combustible gas, the air intake should be putted  at the highest position on the LQ, should be equipped sensors H2S / combustible gas at the air intake, enable or disable this system should be controlled by VMS.

5.21.4 Fire, Smoke and Gas Control

- To avoid the ingress of gas, smoke and other undesirable airborne substances, the HVAC systems shall be designed to maintain a pressure above atmospheric pressure, within the entire LQ, Each corridor shall have separate air conditioned air supply.

- Pressure control shall be achieved by using the main stairwell as a pressure control shaft linking all decks in the LQ. Excess air from each deck will flow into the stairwell to equalize all areas before being return to the AHU mixing chamber via the duct shaft.

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- In order to maintain smoke free escape routes, air from air conditioned space is not re circulated via the passageways. All re circulated air from air conditioned spaces is ducted from the space to the return air trunk.

- Automatic fire dampers shall be provided where require in order to meet the requirements of the relevant regulations and class ruler and to ensure the safe operation of the HVAC system.

- Upon smoke detection at the fresh air inlet or inside of LQ. The HVAC system shall initiate shutdown of all HVAC system except those areas provided with package units which can operate on full recirculation.

- Gas detection in or adjacent to the LQ, shall initiate shutdown of all HVAC systems except those areas provided with package units which can operate on full recirculation. The HVAC system control shall be interface with Fire and Gas System in accordance with fire and gas matrix.

5.21.5 HVAC Control Panel

5.21.5.1 General

- The HVAC panels shall control all HVAC equipment unless specified otherwise. All fans, fire dampers, heaters and cooling packages shall be suitably interlocked.

- The HVAC panels shall provide all necessary indication and alarms. In addition, provision shall be made to provide volt free contacts for remote status indication and interface with other system.

- The main HVAC / MCC panels shall be located inside the HVAC rooms which is a non-hazardous and ventilated area.

- There are a power panel to supply power for all HVAC control panel. All HVAC control panel shall be controlled by PLC or equivalent.

- The HVAC panels shall be in accordance with current standards, statutory requirements, and other codes of practice. Power supplies shall be provided from the rig emergency 480V switchboard or 480Vac main switchboard.

- The HVAC motor starters MCC shall be incorporated into a separate section of each HVAC /MCC Control panel. The panel shall provide motor control facilities, as well as status indication.

- Fans shall be interlocked to ensure pressurization of the quarters, drill floor safe house (if any) is maintained following single fan failure or shut down for maintenance.

- Compatibility shall be ensured between the HVAC panel control / interface units and the remotely mounted sensors.

- HVAC control panel have the output signal to connect interface with Gas system, Fire system, Monitoring alarm system and Emergency shutdown system.

- Fire dampers will be controlled from the General fire panel. LQ fans will be controlled from the HVAC Control panels and Local LQ fan.

5.21.5.2 Construction/Design

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Project: TAM DAO 05 JACK-UP RIG

Title: TECHNICAL REQUIREMENT FOR HVAC AND REFRIGERATING SYSTEM

Doc. No.: GK002-ME-PS-020A Rev. 0

- The HVAC / MCC panels shall be of free standing construction mounted on a channel frame, which can be bolted into position.

- The panels shall incorporate a bottom section with gland plates sufficiently sized to allow the glanding of all cables. The panels shall be front-entry, suitable for mounting against a bulkhead.

- Power supply to each remote panel will be provided from the main HVAC / MCC panels.

5.21.5.3 Fans

- Control and indications are required as follows:

Controls

Start / Stop for auto/manual - All Fans

Indication

Run / Stop / Fault - All Fans

- A common reset button shall be provided to reset all trips on the panel.

- All fans in each area will be controlled from each control panel of HVAC unit

5.21.5.4 Primary Pre-Heaters

- Electrical supply: From control panel of each HVAC unit.

- Control requirement: On/off function from control panel of each HVAC unit.

- Controls for all AHU heaters shall be provided. The heaters shall be controlled in parallel to ensure that utilization of each heater is equivalent.

- Each heater shall have resistance temperature devices (rtd's) / thermostats clipped to the heater elements and thermostat mounted in the airstream. Thermostats mounted on the heater elements shall trip heater at a maximum surface temperature. The rtd's / thermostats mounted in the airstream.

- Heaters shall be controlled to base on information from duct mounted temperature sensors, one located in the main fresh air intake (certified and rated for use in a hazardous location), and the other in the main supply duct downstream of the fans (industrially rated).

5.21.5.5 Fire Dampers

- The fire dampers shall be controlled by one general fire damper panel and to be interfaced with control panel of each HVAC unit. Volt free contacts will be provided at each fire damper to indicate status for each damper as follows:

Fire Damper Open

Fire Damper Closed

- Fire dampers that shall be put inside ceiling or invisible location shall have local indicator.

5.21.5.6 Alarms and miscellaneous function

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- Control panel for each HVAC unit shall provide a common alarm signal to the Monitoring Alarm Panel via volt free contacts type. Common alarm activation shall be through any one of the following:

High temperature trip on preheaters

Condenser fault

AHU fault

Internal temperature out of limits

Fan trip

Package equipment trip

- Fire detection system interface to connect with control panel of each HVAC unit. In case flammable have inside room of LQ and drill floor safe house, all fire dampers shall be shut down.

- In case toxic gas /flammable gas have on fresh air intake, only fire damper for fresh air shall be shut down and air inside room shall be provided to circulate maintaining positive pressurization within the quarters, drill floor safe house if any.

5.21.5.7 Monitoring Instrumentation

- To effect the indication listed in the text above, the following instrumentation shall be provided:

Ventilation

Fan starter contactor open to show loss of power to fan motor (trip).

Fire / Gas Damper. Pneumatic/electrical Shut Off and Control Damper Status

Proximity switches shall be fitted on all fire and control dampers. These shall be located at points on the damper mechanism, where they will indicate damper either open or shut positions, and in the case of control dampers the required operating position.

Miscellaneous Indications

The following miscellaneous indications shall also be provided:

On / Fault - Each main AHU supply electric preheaters.

On / Fault - Each package equipment item (refrigeration / condenser package)

Indicator lamp / screen test circuit and button to be provided (as appropriate).

Shut-Off Dampers

Shut off dampers are to be provided on the discharge of the supply air system fans (4) and on the inlet section of the general extract system fans (4). The HVAC panel shall provide automatic control, and indicate status - open/closed - of the shut-off dampers. For control and indication purposes each electrically actuated damper shall be fitted with

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an electric actuator and two (2) open/closed switches. Diodes shall be provided within the HVAC panel for damper contacts.

Control Dampers

Preset control dampers shall be provided to control intake of fresh air and recirculation of general area extract. The dampers shall be fitted with manual actuators.

5.22 Others Requirement

- All equipment shall be provided with nameplates and carry unique marking for identification. Name plate to be provided for each complete unit/skid. This plate shall be of stainless steel made for outdoor and flame retardant laminated Phenolic type plate for indoor, and shall be fixed at a visible and accessible site. The name plate shall include minimum the following information:

Maker

Name of equipment

Model no

Serial no

IP rating

Main data for design, operation and testing (e.g. Power, pressure, volume, temperature, rotation, flow rate...etc.) where applicable

Purchase Order Number

Hydrostatic test water requirements where applicable

Weight (dry/operating)

Country of manufacture

Manufacture Year

- All nameplates on equipment (interior & exterior) are to be in English Language. Nameplate to be stainless steel and shall be attached with minimum two (2) stainless steel screws.

6. ENGINEERING AND EQUIPMENT & MATERIAL REQUIREMENT OF REFRIGERATING SYSTEM

6.1 General

- CONTRACTOR shall develop the calculation and design for the complete refrigerating system including but not limited to:

Perform the engineering design, including detail calculation analyses for refrigerating system sizing

Develop detail specifications, datasheets for system, system components

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Develop detail arrangment and shop drawings and all other detail drawings as required for fabrication and installation

All the engineering design shall be submitted to Buyer for review and approval

After getting approval from Buyer, Contractor shall submit directly to Class for approval

- The Refrigeration system shall service 02 food provision storages: one freezer chamber and one chiller chamber. The system designed for the direct expansion of an environmentally friendly refrigerant like 407C or an approved equivalent.

- Dry products shall be stored in other storages with air-conditioning and exhaust ventilation.

All equipment shall be designed for completely automatic operation and shall be supplied by the manufacturer as packaged units, complete with refrigerant piping and a holding charge of refrigerant. The equipment shall be specifically prepared and protected for operation in a marine and offshore environment.

6.2 Design Requirements6.1.1. Design Temperature

- The temperature of shall be designed for the following condition:

CompartmentLoading

TemperatureoC (F)

MaintainTemperature

oC (F)

Method of cooling

DefrostSystem

Chiller room 12.8 (55) 1.7 (35) Air Cooler

Freezer room -9.4 (15) -23 (-9) Air Cooler Electric heater

- The relative humidity shall be designed of 85%.

6.1.2. Equipment Working Configuration

- The Refrigerating system shall include 02 x100% capacity Air cooled condensing units with one for duty and one for standby.

- Two (02) evaporator units with 1x100% serve for Chiller room and 1x100% serves for Freezer room.

6.3 Walk-in Compartment and Equipment

- The refrigerated walk-in compartment shall be located and sized as per the referenced drawing: FREEZER AND CHILLER ROOM

- Preliminary data:

Height between two steel decks: 3.2 m Freezer Room area: ≈ 8.2 m2

Chiller room area: ≈ 7 m2

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- Each refrigerated walk-in compartment shall have two condensing unit and two evaporator unit, each one redundant.

- Walk-in shall be prefabricated with smooth finish 1 mm thick stainless steel 316 interior. Sections shall have tongue and groove edges with non-asbestos gaskets and fitted with locking devices for connecting adjoining sections. All hardware is to be triple chrome plated steel or stainless steel

- Doors shall be stainless steel clad both sides. Hardware shall be cadmium plated. Door heaters shall be provided in the freezer box door. Builder shall provide lock to the Chiller/freezer during the construction period to prevent damage to the unit.

- Doors shall be equipped with safety release latches for internal open and be provided with an alarm pushbutton in each compartment that is pre-wired to a junction box mounted outside of the chiller/freezer compartment. This junction box shall be connected to external audio/visual alarms in control room and Galley by CONTRACTOR in accordance with Regulatory Body requirements.

- Remote bulb thermometers shall be provided on the outside of the freezer and chill boxes. One common High temperature visual alarm with annunciator in the galley and lighting inside shall be provided by CONTRACTOR for both refrigerated space.

- CONTRACTOR shall submit the section design drawings (cut surface) for floor and wall of the walk-in compartments, completed with drain and scupper.

- Material of insulation panels shall be polyurethane, finish with protection coat for both sides. CONTRACTOR shall submit to BUYER the insulation panels’ catalogue.

- Floor shall have a thin layer of cement to level at the bottom follow by the at least 4 inch (or as necessary) thick pre-fabricated insulation panel. On top of the insulation layer shall have another layer, 2 inch, of cement to level and follow by the quarry type tiles of ribbed non-skid and cold proved design of about 0.5 inch thick on top.

- The freezer room and chiller room shall be insulated.

- CONTRACTOR shall ensure that the structure will be constructed to withstand the offshore environment. Failure of the doors to close and seal properly shall be fixed by CONTRACTOR.

6.2.1. Condensing Units

- 02 x100% capacity, one working and one standby, air cooled condensing units (non-CFC system, direct expansion type R407c or equal, radiator type) shall be provided and installed. Units shall be complete with prewired control panels containing incoming power lugs, circuit breakers, control transformers, defrost timer, terminal strip, starters, high and low pressure switches, and evaporator motor manual starters. Units to be complete with valve gauges and Freon specialties.

- Condensers shall have tinned copper tubes and fins and shall be built in accordance with regulatory requirements. Special attention shall be paid to the materials used for the equipment components mounted outside on decks to minimize corrosion in a marine environment.

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- The condensing unit shall included:

High pressure switch (Manual Reset)

Low pressure switch (Auto Reset)

Differential oil pressure switch (Manual Reset)

Pressure Relief Valve

Liquid refrigerant receivers designed for marine service shall be provided. Each receiver shall have sufficient capacity to provide an adequate liquid seal and to store 120 percent of the total ship’s stores system refrigerant charge. The receiver shall be completed with all necessary connections, liquid sump, baffles, and liquid level indicators.

One (1) angle type refrigerant liquid strainer with removable strainer basket, with a bypass line, shall be fitted in the liquid line to each refrigerated space ahead of the solenoid valve and in the discharge from the receiver.

An angle type refrigerant dryer with renewable type cartridge, cut off valves, and bypass for permanent installation shall be fitted in the liquid line from each receiver. The use of combination dryer-strainer is permitted in this location.

- Condensers shall have a purge valve and a relief valve.

- Condensing unit shall have ventilator-motor, compressor, condenser coil.

- Condensers shall have copper tubes and copper fins with epoxy coated and shall be built in accordance with Regulatory Bodies requirements.

- The Condensing Units shall be located inside the refrigeration equipment room.

- Compressor shall be marine type.

- The compressor shall be completed with all necessary strainers, suction and discharge valve stop valves, safety relief valves, accessories and oil separators required for satisfactory operation.

- Each compressor shall have its own gauge board, mounted on the compressor, with all gauges, pressure switches and alarms as required.

- Compressor shall be mounted on skid, completed with vibration isolators.

6.2.2. Evaporator

- The evaporator shall be provided inside each room with adequate cooling capacity to achieve the specification mentioned above.

- The air coolers shall be of the self-contained type. Fans shall be direct drive and be protected by a guard.

- The fan capacity shall be sufficient to change the air once a minute with the compartment empty.

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- Defrosting of compartments below 20 C shall be automatically accomplished by electric heating elements built into the cooler coils and drip pans. Drain pan and drain pipe shall be control automatically by defrost timer.

- Evaporator shall have copper tubes and copper fins with epoxy coated and shall be built in accordance with Regulatory Bodies requirements.

- Casing and drip pans shall be of 12 gauge steel construction galvanized after fabrication or be enameled aluminum. Each drip shall be designed for marine service with a drain connection piped to a deck drain.

6.2.3. Refrigerant Valve and Piping

- All refrigerant piping shall be copper of ASTM B-88 type K. Fitting shall be wrought copper or cast bronze. Valves shall be cast bronze and rated for at least the piping test pressure.

- All joints shall be brazed whenever possible. Soldering methods and materials shall be submitted for review by owner and COMPANY prior to fabrication.

- Provision shall be made in design to allow for expansion stresses in lines. Piping shall be adequately supported and refrigerated piping shall be cushioned with channel rubber straps at pipe supports.

- The piping systems shall be carefully installed and every precaution taken to keep the system absolutely cleanly internally during erection.

- CONTRACTOR shall submit to COMPANY the cleaning and pressure test procedures.

- Where refrigerant piping penetrates walls or floors, isolating fittings with rubber grommets are to be furnished to preclude transmission of noise through walls or floors.

- All piping shall be insulated for design compliance and prevention of surface condensations. The suction lines shall be insulated with 3/4” thick cellular rubber insulation. Each joint is to be glued with an approved adhesive so as to preclude any “breathing”.

- The piping systems shall be carefully installed and every precaution taken to keep the system absolutely cleans internally during erection. Before operating the compressors, the system shall be cleaned by means of a special surge drum containing a filter, screen, and large quantity of desiccant, connected into the suction side of the system. Prior to cleaning and pressure tightness tests, the system shall be dehydrated by means of special vacuum pumps capable of developing a vacuum of at least –750 mm Hg. at -1 °C on a wet bulb vacuum indicator. All piping shall be insulated for design compliance and prevention of surface condensations. Insulation shall be by use of preformed, closed cell half sections.

- All pressure gauges, compound gauges, pressure transducers and pressure switches shall be connected with an isolation valve, which shall be of the same materials as for the system.

- All gauges shall come with manufacturer’s calibration certificates

- Valve shall be suitably greased and oiled internally to prevent rusting during shipment.

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6.2.4. Shelving and Miscellaneous Equipment

- The freeze and chill rooms shall be provided with adjustable stainless steel shelves with battens, arranged four tiers high.

- Each compartment shall be equipped overhead light with exterior switch and pilot light and a 75m deck drain with removable wooden plug.

6.4 Refrigerating System Control

- The following automatic control equipment shall be provided and installed but not limited:

Two (2) dual pressure-switches, or separate high and low pressure switches, which are adjustable.

Necessary controls for unloading and reduced capacity operation.

One (1) oil failure switch for each compressor.

One (1) liquid king solenoid valve for each compressor energized through the compressor controller so as to close when the compressor stops for any reason.

One (1) liquid line solenoid valve with thermostatic element for each refrigerated compartment circuit.

One (1) externally adjustable expansion/ thermo-expansion valve for each coil circuit in the refrigerated compartments.

One (1) suction pressure regulating valve complete with pressure gauge and valve in the suction line from each refrigerated compartment.

- CONTRACTOR shall supply all necessary control signal/valve/control/ if applicable.

- Man-trap-in alarm is fitted for both Chiller room and Freezer room, with alarm indications in galley.

- Control Panel with temperate controller to indication and set temperature for both the chiller and freezer room. Temperature sensor shall be put inside the rooms. Control panel also have man-trap in alarm indicator.

7.MATERIAL

- All materials utilized in the machinery construction must be new and have first class quality, suitable for its intended service and the marine environment.

- Gaskets to be of non-asbestos material and type approved by regulatory bodies. Insulation materials are to be of an approved type having satisfactory service experience in the marine industry.

- External surfaces of valves are to be coated with inorganic zinc or may be of CONTRACTOR’s or his manufacturer’s standard. Valve shall be painted once after tool cleaning according to

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marine standard. Steel pipe, fittings, joints and other components required to be galvanized shall be hot dipped galvanized after fabrication.

- Material certification shall be in accordance with ISO 10474 Type 3.1B. All material certificates shall be kept for BUYER’s review

- Manufacturer/Contractor to ensure that installation of materials, which contain asbestos, is prohibited. ASBESTOS FREE DECLARATIONS shall be issued by Manufacturer/Contractor as part of delivery documents.

8.PAINTING

- Vendor shall propose the painting procedure (at the minimum that shall specified the coating systems and final coat colour) suitable for marine, offshore environment and required working condition of equipment and submit for BUYER approval.

9.FABRICATION, INSTALLTION AND COMMISSIONING

10. SPECIAL TOOLS

The following special tools and equipment shall be included:

- All special tools and special erection appliances necessary for the installation, commissioning and test.

- Special tools required for statutory inspection, re-certification and in accordance with statutory rules and regulations.

11. SPARE PARTS

The CONTRACTOR shall be responsible for ensuring the goods and services supplied meet all applicable regulations on health, safety and environmental issues. The CONTRACTOR shall provide priced list for the supply of all necessary spare parts for the followings:

- All manufacturer’s standard spare part for commissioning, Start-up, Operational Acceptance Tests.

- Spare parts shall be provided in accordance with the requirements of the Regulatory Bodies and the recommendations of the manufacturer for one year’s operation.

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- All spare parts furnished by the CONTRACTOR shall be wrapped and packed to preserve items as new condition under normal storage. The same parts shall be properly tagged by stainless steel tags and coded so that later identification as to their intended usage will be facilitated. All items supplied shall be packaged separately and clearly marked as ‘Spare Parts’ and shipped with the equipment in accordance with the instructions. Packing list shall be furnished complete and detail so that parts can be handled without uncrating, if desired.

12. CONSUMABLES

- CONTRACTOR shall be responsible for provision of all first fills and consumables including but not limited to fuels, lubricants, chemicals, grease, packing, preservatives, handling, gears, fresh water, etc.

- First fills and consumables for erection, installation, commissioning, testing.

- First fills and consumables required by the classification society or regulatory bodies.

- CONTRACTOR shall attach hereto the detailed list and quantity of consumables required for erection, installation, commissioning, testing of the equipments as required by manufacturer’s standard and/or classification society or regulatory bodies.

- CONTRACTOR shall attach herewith the list of respective quantities of the consumables as above mentioned.

13. TESTING AND INSPECTIONS

- The procedures for Factory Acceptance Test (FAT) shall be submitted to BUYER and CLASS as determined time prior to the test in order to obtain approval, and final approved procedure shall be available in determined time before initiation of test. The FAT approved documentation with possible comments shall be available prior to initiation of the FAT.

- The FAT shall include relevant pressure test, control measurements of dimensions and volumes, etc., material and welding tests, correct direction of rotation etc. The Functional Test shall include test of all functions and equipment performance.

- The FAT shall be attended by BUYER, BUYER’s Authorized Representative and CLASS.

- The BUYER shall have the right access to the CONTRACTOR’s shop/works during all stages of manufacturing, inspection, testing, preservation and packing.

- The CONTRACTOR shall provide sufficient advance notice at least thirty (30) days to the BUYER prior to each inspection or test.

14. EQUIPMENT DELIVERY

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- VENDOR shall responsible to deliver the required equipment, associated accessories, spare parts, special tools, consumables to BUYER’s Site not later than October 11th 2014

15. WARRANTY

- The warranty period shall be twelve (12) months in effect from the date of Rig delivery.

16. DOCUMENTS AND CERTIFICATES

The CONTRACTOR shall provide the properly documents following below requirements and the table of documents and certificates:

- Upon receipt of BUYER’s official approval of the documents, CONTRACTOR shall amend the approved documents. Drawings/documents shall be stamped certified by CONTRACTOR. Thereon, any subsequent modifications and/or additional works required to be carried out by BUYER to suit the actual equipment delivered which is different from the final certified documents shall be for CONTRACTOR’s account.

- General arrangement drawings and/or documents of equipment complete with accessories providing all required dimensions, mounting details, wet and dry weights, centre of gravity, recommended lubrication, service space requirements, together with other required information to facilitate arrangement, designing of foundation, piping and electrical hooking-up.

- Electrical and piping schematics providing all required information including bill of material and material specifications.

- Electrical schematic drawing showing cable size, number of conductors and termination numbering. Cables under CONTRACTOR’s scope of supply shall also be marked clearly in the schematics.

- Heat dissipation, full load power, current and voltage ratings for equipments to be show on drawings or documents.

- The documents and certificates shall be written in English, all units of measurement shall be in Imperial standard and metric to be in parenthesis.

DOCUMENTS AND CERTIFICATES TABLE

Code Description With BID(Stage 1)

For approval (Stage 2)

Final issue (Stage 3) Remarks

A – Control documentsA01 Technical proposal summary 1(O)+2(D)+1(E)A02 Equipment catalogues 1(O)+2(D)+1(E)

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DOCUMENTS AND CERTIFICATES TABLE

Code Description With BID(Stage 1)

For approval (Stage 2)

Final issue (Stage 3) Remarks

A03 List of deviations 1(O)+2(D)+1(E)A04 Project reference list 1(O)+2(D)+1(E)A05 Project progress report Every 02 weeks from the day of contract signingA06 Vendor master documents list 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E)B – Design documentsB01 HVAC system design philosophy 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E)B02 HVAC system specification 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E)

B03 Calculation for HVAC system (include ventilation for LQ) 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E)

B04 Legend for HVAC system drawing 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CAD

B05 HVAC system Ducting & Instrument diagram 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CAD

B06 HVAC system flow diagram 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CADB07 Pneumatic single line for FD 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CADB08 Electrical wiring diagram 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CADB09 Electrical single line drawing 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CADB10 Electrical control diagram drawing 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CADB11 General arrangement & detail drawing 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E) (E) in CADB12 Equipments and materials list 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E)B13 Equipment data sheets 1(O)+2(D)+1(E) 1(E) 1(O)+2(D)+1(E)B14 HVAC system typical installation details 1(E) 1(O)+2(D)+1(E)

B15 3D model of equipment (chiller water, ACCU, AHU, ect) 1(E)

File *.sat/ Solidworkfile

C – Handling, packaging and preservationC01 Packing and preservation procedures 1(E) 1(O)+2(D)+1(E)C02 Handling procedures 1(E) 1(O)+2(D)+1(E)C03 Special protection procedures 1(E) 1(O)+2(D)+1(E)

D – Manufacturing proceduresD01 Inspection and testing procedures 1(E) 1(O)+2(D)+1(E)D02 Painting procedures 1(E) 1(O)+2(D)+1(E)D03 Manufacturing schedule 1(E) 1(O)+2(D)+1(E)

E – Installation, commissioning, operation, maintenance, spare part, trainingE01 Installation procedures 1(E) 1(O)+2(D)+1(E)E02 Commissioning procedures 1(E) 1(O)+2(D)+1(E)E03 Operating and maintenance manual 1(E) 1(O)+2(D)+1(E)

E04 Initial spare part list (commissioning, start-up) 1(E) 1(O)+2(D)+1(E)

E05 Spare part list (first year operation) 1(E) 1(O)+2(D)+1(E)E06 Special tools list (if any) 1(E) 1(O)+2(D)+1(E)E07 First fill and consumable list 1(E) 1(O)+2(D)+1(E)

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DOCUMENTS AND CERTIFICATES TABLE

Code Description With BID(Stage 1)

For approval (Stage 2)

Final issue (Stage 3) Remarks

E08 Lubrication list 1(E) 1(O)+2(D)+1(E)

F – QA / QC documents

F01 Certificates of origin for equipments and materials 1(O)+2(D)+1(E)

F02 Certificates of quality for equipments and materials 1(O)+2(D)+1(E)

F03 Factory acceptance test report (FAT) 1(O)+2(D)+1(E)F04 Material certificates 1(O)+2(D)+1(E)F05 Calibration certificates 1(O)+2(D)+1(E)F06 IP certificates or equivalent 1(O)+2(D)+1(E)F07 Ex Certificate (for required equipments) 1(O)+2(D)+1(E)F08 Fire test Certificate 1(O)+2(D)+1(E)F09 Asbestos Free Declaration Letter 1(O)+2(D)+1(E)F10 Warranty documents 1(O)+2(D)+1(E)

Notes:

- (O): Original document with CONTRACTOR’s stamp for each page

- (D): Duplicate copy from original document

- (E): Electronic documents (CD ROM)

- Stage 1: CONTRACTOR shall submit these documents for BUYER evaluation during the BID.

- Stage 2: CONTRACTOR shall submit these documents for BUYER official approval within 02 weeks from the day of contract signing.

- Stage 3: CONTRACTOR shall submit these documents for final issue to BUYER within 02 weeks before the day of equipment delivery.

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17. APPENDIX

Appendix A : Project Related Documents

1. GK002-GA-DR-003: GENERAL ARRANGEMENT – MACHINERY DECK

2. GK002-GA-DR-004: GENERAL ARRANGEMENT – MEZZANINE DECK

3. GK002-GA-DR-007: GENERAL ARRANGEMENT – LIVING QUARTERS

4.

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