GENERAL MATERIALS AND WORKMANSHIP

SPECIFICATION

VOLUME 3

ELECTRICAL AND MECHANICAL WORKS

ISSUE NO. 5

JANUARY 2011

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General Materials & Workmanship Specification (i) January 2011 Issue No. 5

GENERAL MATERIALS AND WORKMANSHIP SPECIFICATION

TABLE OF CONTENTS VOLUME 1 CIVIL AND STRUCTURAL WORKS Section 1 General Civil and Structural Works

2 Temporary Works

3 Site Clearance

4 Landscaping Works

5 Fencing

6 Drainage Works

7 Earthworks

8 Geotechnical Works

9 Carriageways: Sub-base Material and Bituminous Materials

10 Concrete Carriageways

11 Miscellaneous Roadworks

12 Traffic Signs, Road Markings and Road Studs

13 Work for Electrical and Mechanical Installations

14 Water Supply Pipeworks

15 Not Used

16 Not Used

17 Piling Works

18 Formwork and Finishes to Concrete

19 Steel Reinforcement

20 Concrete and Joints in Concrete

21 Prestressing

22 Steelwork

23 Bridgeworks

24 Water Retaining Structures

VOLUME 2 ARCHITECTURAL WORKS Section 25 General Architectural Works 26 Masonry and Blockwork

27 Waterproofing and Tanking

28 Roofing and Wall Cladding

29 Curtain Walling

30 Internal Cladding Systems

31 Carpentry and Joinery

General Materials & Workmanship Specification (ii) January 2011 Issue No. 5

VOLUME 2 ARCHITECTURAL WORKS (CONTINUED) Section 32 Internal Cladding Systems

33 Linings, Sheathings, Drywall Partitions and Toilet Cubicles

34 Suspender Ceilings

35 Architectural Metalwork (Including Metal Doors and Shutters)

36 Ironmongery

37 Hard Floor Finishes

38 Flexible Floor Finishes

39 Wall Finishes

40 Painting and Decoration

41 Fire Protection and Fire Stopping Systems

42 Signage

43 Not Used

VOLUME 3 ELECTRICAL AND MECHANICAL WORKS Section 44 Abbreviations, Standards and General Electrical and Mechanical

45 Electrical Power Supply

46 Low Voltage Switchboards

47 Sub-Mains Electrical Distribution Equipment

48 Wiring and Cables

49 Cable Management Systems

50 Wiring Accessories and Miscellaneous Electrical Equipment

51 General Lighting Systems

52 Uninterruptible Power Supply System (UPS)

53 Motors

54 High Voltage Electrical Services

55 Not Used

56 Not Used

57 Earthing and Bonding System

58 Lightning Protection System

59 Electromagnetic Compatibility

60 Inspection, Testing and Commissioning - Electrical Services

61 Air Handling Units

62 Fan Coil Units

63 Fans

64 Split Type Air Conditioning Unit

65 Window Type Air Conditioning Unit

General Materials & Workmanship Specification (iii) January 2011 Issue No. 5

VOLUME 3 ELECTRICAL AND MECHANICAL WORKS (CONTINUED) Section 66 Air Cooling Coils

67 Dampers and Air Volume Control Devices

68 Registers, Diffusers and Grilles

69 Air Filters

70 Ductwork and Fittings

71 Water Handling Equipment

72 Pipeworks, Fittings and Valves

73 Thermal Insulation

74 Sound Attenuator

75 Noise and Vibration Control

76 Electrical Equipment and Installation

77 Automatic Controls

78 Instruments

79 Testing, Inspection and Commissioning Mechanical Services

80 Automatic Sprinkler System

81 Hydrant and Hose Reel System

82 Gaseous Fire Extinguishing System (FM200)

83 Fire Alarm and Detection System

84 Portable Hand Equipment

85 Visual Fire Alarm

86 Exist Sign and Directional Sign

87 Pipework, Valves and Fittings

88 Pumps and Tanks

89 Electrical Equipment and Installation

90 Inspection, Testing and Commissioning Fire Services

91 Foul Water Disposal

92 Storm Water Disposal

93 Water Supply

94 Hot Water Supply System

95 Pipework, Fittings and Valves

96 Town Gas Reticulation

97 Pumps and Tank Level Controls

98 Electrical Equipment and Installation

99 Inspection, Testing and Commissioning Hydraulic Services

100 General Building Management System

101 Mechanical Building Management System

General Materials & Workmanship Specification (iv) January 2011 Issue No. 5

VOLUME 3 ELECTRICAL AND MECHANICAL WORKS (CONTINUED) Section 102 Voice and Data Cabling

103 Public Address System

104 Access Control System

105 Trunked Mobile Radio System

106 Closed Circuit Television System

107 Master Antenna Television (MATV)

108 Inspection, Testing and Commissioning Systems

109 Not Used

110 Not Used

111 Not Used

112 Not Used

113 Not Used

114 Not Used

115 Not Used

116 Not Used

117 Not Used

118 Not Used

119 Not Used

VOLUME 4 AIRFIELD WORKS Section 120 General - Airfield Works

121 Airfield Ground Lighting System

122 Airport Lightning Warning System

123 Fixed Ground Power System

124 High Mast Lighting system

125 Pre-conditioned Air Supply Units

126 Aircraft Parking Aid System

127 Airfield Supervisory Control and Data Acquisition System

128 Aircraft Loading Bridges

129 Perimeter Fence Lighting System

130 Jet Blast Screens

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 13/13 January 2011

108.10 Testing and Commissioning Equipment and Instruments 108.11 Notifications 108.12 Inspection and Testing 108.13 Specific Inspection, Testing and Commissioning Requirements 108.14 Testing and Commissioning Requirements for Fibre Optic and UTP

Cables SECTION 109 NOT USED SECTION 110 NOT USED SECTION 111 NOT USED SECTION 112 NOT USED SECTION 113 NOT USED SECTION 114 NOT USED SECTION 115 NOT USED SECTION 116 NOT USED SECTION 117 NOT USED SECTION 118 NOT USED SECTION 119 NOT USED

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General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 1/13 January 2011

GENERAL MATERIALS AND WORKMANSHIP SPECIFICATION VOLUME 3 ELECTRICAL AND MECHANICAL WORKS SECTION 44 ABBREVIATIONS, STANDARDS AND GENERAL ELECTRICAL

AND MECHANICAL 44.1 Definition and Abbreviations 44.2 Relevant Codes and Standards 44.3 Not Used 44.4 Workmanship 44.5 Materials 44.6 Installation of Equipment 44.7 Energy Efficiency and Conservation 44.8 Welding 44.9 Drawings Provided by the Contractor 44.10 Painting and Finishes 44.11 Facility Identification SECTION 45 ELECTRIC POWER SUPPLU 45.1 Power Supply Conditions 45.2 General Power Supply SECTION 46 LOW VOLTAGE SWITCHBOARDS 46.1 General 46.2 Relevant Codes and Standards 46.3 Materials 46.4 Submissions 46.5 Workmanship SECTION 47 SUB-MAINS ELECTRICAL DISTRIBUTION EQUIPMENT 47.1 General 47.2 Relevant Codes and Standards 47.3 Materials 47.4 Submissions 47.5 Workmanship SECTION 48 WIRING AND CABLES 48.1 General 48.2 Relevant Codes and Standards 48.3 Materials 48.4 Submissions 48.5 Workmanship

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 2/13 January 2011

SECTION 49 CABLE MANAGEMENT SYSTEMS 49.1 General 49.2 Relevant Codes and Standards 49.3 Materials 49.4 Submissions 49.5 Workmanship SECTION 50 WIRING ACCESSORIES AND MISCELLANEOUS ELECTRICAL

EQUIPMENT 50.1 General 50.2 Relevant Codes and Standards 50.3 Materials 50.4 Submissions 50.5 Workmanship SECTION 51 GENERAL LIGHTING SYSTEMS 51.1 General 51.2 Relevant Codes and Standards 51.3 Materials 51.4 Submissions 51.5 Workmanship SECTION 52 UNINTERRUPTIBLE POWER SUPPLY SYSTEM (UPS) 52.1 General 52.2 Relevant Codes and Standards 52.3 Materials 52.4 Installation SECTION 53 MOTORS 53.1 General 53.2 Relevant Codes and Standards 53.3 Materials 53.4 Submissions SECTION 54 HIGH VOLTAGE ELECTRICAL SERVICES 54.1 General 54.2 Relevant Codes and Standards 54.3 HV Switchgear 54.4 Distribution Transformer 54.5 High Voltage Cable 54.6 Pilot Cables 54.7 Submissions

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 3/13 January 2011

SECTION 55 NOT USED SECTION 56 NOT USED SECTION 57 EARTHING AND BONDING SYSTEM 57.1 General 57.2 Relevant Codes and Standards 57.3 Materials 57.4 Earthing Resistance 57.5 Earth Fault Loop Impedance 57.6 Submissions 57.7 Workmanship SECTION 58 LIGHTNING PROTECTION SYSTEM 58.1 General 58.2 Relevant Codes and Standards 58.3 Materials SECTION 59 ELECTROMAGNETIC COMPATIBILITY 59.1 General 59.2 Relevant Codes and Standards 59.3 Electromagnetic Compatibility (EMC) SECTION 60 INSPECTION, TESTING AND COMISSIONING ELECTRICAL

SERVICES 60.1 General 60.2 Terminology 60.3 Testing and Commissioning Phases 60.4 Quality Plans 60.5 Phase Notices 60.6 Test Results Forms 60.7 Phase Reports 60.8 Relevant Codes, Standards and Regulations 60.9 Contractors Testing and Commissioning Staff 60.10 Testing and Commissioning Equipment and Instruments 60.11 Notifications 60.12 Inspections and Testing 60.13 Specific Inspection, Testing and Commissioning Requirements 60.14 HV Distribution Cables 60.15 HV Distribution Transformer 60.16 Confidence Trials Phase 60.17 Emergency Generators 60.18 Daily and Underground Fuel Tanks 60.19 Pilot Cables

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 4/13 January 2011

SECTION 61 AIR HANDLING UNITS 61.1 General 61.2 Relevant Codes and Standards 61.3 Selection 61.4 Materials 61.5 Submissions 61.6 Workmanship SECTION 62 FAN COIL UNITS 62.1 General 62.2 Relevant Codes and Standards 62.3 Materials 62.4 Submissions 62.5 Workmanship SECTION 63 FANS 63.1 General 63.2 Relevant Codes and Standards 63.3 Materials 63.4 Submissions 63.5 Workmanship SECTION 64 SPLIT TYPE AIR CONDITIONING UNIT 64.1 General 64.2 Relevant Codes and Standards 64.3 Materials 64.4 Submissions 64.5 Workmanship SECTION 65 WINDOW TYPE AIR CONDITIONING UNIT 65.1 General 65.2 Relevant Codes and Standards 65.3 Materials 65.4 Submissions 65.5 Workmanship SECTION 66 AIR COOLING COILS 66.1 General 66.2 Relevant Codes and Standards 66.3 Materials 66.4 Submissions 66.5 Workmanship

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 5/13 January 2011

SECTION 67 DAMPERS AND AIR VOLUME CONTROL DEVICES 67.1 General 67.2 Relevant Codes and Standards 67.3 Materials 67.4 Submissions 67.5 Workmanship SECTION 68 REGISTERS, DIFFUSERS AND GRILLES 68.1 General 68.2 Relevant Codes and Standards 68.3 Design and Performance Criteria 68.4 Materials 68.5 Submissions 68.6 Workmanship SECTION 69 AIR FILTERS 69.1 General 69.2 Relevant Codes and Standards 69.3 Design and Performance Criteria 69.4 Materials 69.5 Submissions 69.6 Workmanship 69.7 Inspection, Testing and Commissioning SECTION 70 DUCTWORK AND FITTINGS 70.1 General 70.2 Relevant Codes and Standards 70.3 Design and Performance Criteria 70.4 Materials 70.5 Submissions 70.6 Workmanship SECTION 71 WATER HANDLING EQUIPMENT 71.1 General 71.2 Relevant Codes and Standards 71.3 Selection 71.4 Materials 71.5 Submissions 71.6 Workmanship SECTION 72 PIPEWORK, FITTINGS AND VALVES 72.1 General 72.2 Relevant Codes and Standards 72.3 Materials 72.4 Submissions 72.5 Workmanship

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 6/13 January 2011

SECTION 73 THERMAL INSULATION 73.1 General 73.2 Materials 73.3 Submissions 73.4 Workmanship SECTION 74 SOUND ATTENUATORS 74.1 General 74.2 Relevant Codes and Standards 74.3 Materials 74.4 Submissions 74.5 Workmanship SECTION 75 NOISE AND VIBRATION CONTROL 75.1 General 75.2 Materials 75.3 Submissions 75.4 Workmanship 75.5 Design and Testing Requirements SECTION 76 ELECTRICAL EQUIPMENT AND INSTALLATION 76.1 General 76.2 Relevant Codes and Standards 76.3 Materials 76.4 Submissions 76.5 Workmanship SECTION 77 AUTOMATIC CONTROL 77.1 General 77.2 Relevant Codes and Standards 77.3 Design and Performance Criteria 77.4 Materials 77.5 Submissions 77.6 Workmanship SECTION 78 INSTRUMENTS 78.1 General 78.2 Relevant Codes and Standards 78.3 Design and Performance Criteria 78.4 Materials 78.5 Submissions 78.6 Workmanship

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 7/13 January 2011

SECTION 79 TESTING, INSPECTION AND COMMISSIONING MECHANICAL SERVICES

79.1 General 79.2 Terminology 79.3 Testing and Commissioning Phases 79.4 Quality Plans 79.5 Phase Notices 79.6 Test Results Forms 79.7 Phase Reports 79.8 Standards and Regulations 79.9 Contractors Testing and Commissioning Staff 79.10 Testing and Commissioning Equipment and Instruments 79.11 Notifications 79.12 Inspections and Testing 79.13 Factory Testing 79.14 Type Test Certificates 79.15 Site Testing and Commissioning 79.16 Rebalancing and Recommissioning to Suit Completion SECTION 80 AUTOMATIC SPRINKLER SYSTEM 80.1 General 80.2 Relevant Codes and Standards 80.3 Materials 80.4 Submissions 80.5 Workmanship 80.6 Pre-action Sprinkler System SECTION 81 HYDRANT AND HOSE REEL SYSTEM 81.1 General 81.2 Relevant Codes and Standards 81.3 Materials 81.4 Submissions 81.5 Workmanship 81.6 Street Hydrant System SECTION 82 GASEOUS FIRE EXTINGUISHING SYSTEM (FM200) 82.1 General 82.2 Relevant Codes and Standards 82.3 Materials 82.4 Submissions 82.5 Workmanship SECTION 83 FIRE ALARM AND DETECTION SYSTEM 83.1 General 83.2 Relevant Codes and Standards 83.3 Materials 83.4 Submissions

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 8/13 January 2011

SECTION 84 PORTABLE HAND HELD EQUIPMENT 84.1 General 84.2 Relevant Codes and Standards 84.3 Materials 84.4 Submissions 84.5 Workmanship SECTION 85 VISUAL FIRE ALARM 85.1 General 85.2 Relevant Codes and Standards 85.3 Materials 85.4 Submissions 85.5 Workmanship SECTION 86 EXIT SIGN AND DIRECTIONAL SIGN 86.1 General 86.2 Relevant Codes and Standards 86.3 Materials 86.4 Submissions 86.5 Workmanship SECTION 87 PIPEWORK, VALVES AND FITTINGS 87.1 General 87.2 Relevant Codes and Standards 87.3 Pipework and Fittings Materials 87.4 Valves and Fittings Materials 87.5 Submissions 87.6 Workmanship SECTION 88 PUMPS AND TANKS 88.1 General 88.2 Relevant Codes and Standards 88.3 Materials 88.4 Submissions 88.5 Workmanship SECTION 89 ELECTRICAL EQUIPMENT AND INSTALLATION 89.1 General 89.2 Relevant Codes and Standards 89.3 Materials 89.4 Workmanship

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 9/13 January 2011

SECTION 90 INSPECTION, TESTING AND COMMISSIONING FIRE SERVICES 90.1 General 90.2 Terminology 90.3 Testing and Commissioning Phases 90.4 Quantity Plans 90.5 Phase Notices 90.6 Test Results Forms 90.7 Phase Reports 90.8 Standards and Regulations 90.9 Contractors Testing and Commissioning Staff 90.10 Testing and Commissioning Equipment and Instruments 90.11 Notifications 90.12 Inspections and Testing 90.13 Type Test Certificates 90.14 Factory Tests 90.15 Model Tests 90.16 Site Testing and Commissioning 90.17 FSD Inspection and Witness of Tests 90.18 Plant Integration Phase 90.19 Testing and Commissioning Report and Certificate of Completion SECTION 91 FOUL WATER DISPOSAL 91.1 General 91.2 Relevant Codes and Standards 91.3 Materials 91.4 Submissions 91.5 Workmanship SECTION 92 STORM WATER DISPOSAL 92.1 General 92.2 Relevant Codes and Standards 92.3 Materials 92.4 Submissions 92.5 Workmanship 92.6 Installation 92.7 Testing SECTION 93 WATER SUPPLY 93.1 General 93.2 Relevant Codes and Standards 93.3 Water Supply Requirements 93.4 Materials 93.5 Submissions 93.6 Workmanship

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 10/13 January 2011

SECTION 94 HOT WATER SUPPLY SYSTEM 94.1 General 94.2 Relevant Codes and Standards 94.3 Materials 94.4 Submissions 94.5 Workmanship SECTION 95 PIPEWORK, FITTINGS & VALVES 95.1 General 95.2 Relevant Codes and Standards 95.3 Materials 95.4 Submissions 95.5 Workmanship SECTION 96 TOWN GAS RETICULATION 96.1 General 96.2 Relevant Codes and Standards 96.3 Materials 96.4 Gas Detection System 96.5 Submissions 96.6 Workmanship and Installation SECTION 97 PUMPS AND TANK LEVEL CONTROLS 97.1 General 97.2 Relevant Codes and Standards 97.3 Materials 97.4 Submissions 97.5 Workmanship for Pump Installation SECTION 98 ELECTRICAL EQUIPMENT AND INSTALLATION 98.1 General 98.2 Relevant Codes and Standards 98.3 Materials 98.4 Workmanship 98.5 Submissions

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 11/13 January 2011

SECTION 99 INSPECTION, TESTING AND COMMISSIONING HYDRAULIC SERVICES

99.1 General 99.2 Terminology 99.3 Testing and Commissioning Phases 99.4 Quality Plans 99.5 Phase Notices 99.6 Test Results Forms 99.7 Phase Reports 99.8 Standards and Regulations 99.9 Contractors Testing and Commissioning Staff 99.10 Testing and Commissioning Equipment and Instruments 99.11 Notifications 99.12 Inspections and Testing 99.13 Type Test Certificates 99.14 Factory Tests 99.15 Site Testing and Commissioning SECTION 100 GENERAL BUILDING MANAGEMENT SYSTEM 100.1 General 100.2 Relevant Codes and Standards 100.3 System Description 100.4 Monitoring and Control I/O Points SECTION 101 MECHANICAL BUILDING MANAGEMENT SYSTEM 101.1 General 101.2 Relevant Codes and Standards 101.3 System Description 101.4 Hardware 101.5 Monitoring and Control I/O Points 101.6 System Interfaces SECTION 102 VOICE AND DATA CABLING 102.1 General 102.2 Relevant Codes and Standards 102.3 System Description 102.4 Fibre Optic Cables 102.5 Twisted Pair Cables 102.6 Distribution Frames 102.7 Voice and Data Outlets (VDO) 102.8 Cable Management and Identification 102.9 Cable Installation 102.10 Cable Testing

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 12/13 January 2011

SECTION 103 PUBLIC ADDRESSING SYSTEM 103.1 General 103.2 Relevant Codes and Standards 103.3 System Description 103.4 Performance Criteria of Equipment 103.5 Electromagnetic Interference SECTION 104 ACCESS CONTROL SYSTEM 104.1 General 104.2 Relevant Codes and Standards 104.3 System Description 104.4 Field Security Devices 104.5 System Testing and Commissioning SECTION 105 TRUNKED MOBILE RADIO SYSTEM 105.1 General 105.2 Relevant Codes and Standards 105.3 System Description SECTION 106 CLOSED CIRCUIT TELEVISION SYSTEM 106.1 General 106.2 Relevant Codes and Standards 106.3 System Description 106.4 CCTV Cameras and Accessories 106.5 CCTV Cabling Network 106.6 Video Recording System 106.7 Testing and Commissioning SECTION 107 MASTER ANTENNA TELEVISION (MATV) 107.1 General 107.2 Relevant Codes and Standards 107.3 General Performance Requirements 107.4 Cable SECTION 108 INSPECTION, TESTING AND COMMISSIONING SYSTEMS 108.1 General 108.2 Terminology 108.3 Testing and Commissioning Phases 108.4 Quality Plans 108.5 Phase Notices 108.6 Test Results Forms 108.7 Phase Reports 108.8 Standards and Regulations 108.9 Contractors Testing and Commissioning Staff

General Materials & Workmanship Specification Issue No. 5, Volume 4 Electrical & Mechanical Works Table of Contents 13/13 January 2011

108.10 Testing and Commissioning Equipment and Instruments 108.11 Notifications 108.12 Inspection and Testing 108.13 Specific Inspection, Testing and Commissioning Requirements 108.14 Testing and Commissioning Requirements for Fibre Optic and UTP

Cables SECTION 109 NOT USED SECTION 110 NOT USED SECTION 111 NOT USED SECTION 112 NOT USED SECTION 113 NOT USED SECTION 114 NOT USED SECTION 115 NOT USED SECTION 116 NOT USED SECTION 117 NOT USED SECTION 118 NOT USED SECTION 119 NOT USED

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General Materials & Workmanship Specification 1/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

SECTION 44 ABBREVIATIONS, STANDARDS AND GENERAL ELECTRICAL AND MECHANICAL

44.1 DEFINITIONS AND ABBREVIATIONS

Abbreviations used in this Volume of the General Materials and Workmanship Specification shall have the following meanings:

AC : Alternating Current

ACB : Air Circuit Breaker

ACRA : Air-conditioning & Refrigeration Association of Hong Kong

ACS : Access Control System

ADC : Air Diffusion Council

AFFL : Above Finished Floor Level

AHU : Air Handling Unit

Al : Aluminium

AISI : American Iron and Steel Institute

ANSI : American National Standards Institute

AOCC : Airport Operations Control Centre

AODB : Airport Operational Data Base

APM : Automated People Mover

ARI : American Air-conditioning and Refrigeration

ASCII : American Standard Code for Information Interchange

ASHRAE : American Society for Heating, Refrigerating and Air-conditioning Engineers

ASME : American Society of Mechanical Engineers

AS/NZS : Australian/New Zealand Standard

ASTA : Association of Short-Circuit Test Authorities

ASTM : American Society for Testing and Materials

BD : Building Department

BMS : Building Management System

BNC : Bayonet Neill-Concelman

BS : British Standards

BS EN : European Standard adopted as British Standards

BSI : Building Systems Integration

BSIHP : Building Systems Integration Headend Processor

CADD : Computer Aided Drafting Design

Cap : Chapter

CASE : Computer Aided Software Engineering

CCD : Charged Coupled Device

General Materials & Workmanship Specification 2/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

CCIR : International Consultative Committee on Radio-communication

CCITT : The International Telegraph and Telephone Consultative Committee

CCTV : Closed Circuit Television

CFC : Chlorofluorocarbon

CHW : Chilled Water

CLP : China Light & Power Co. Ltd.

CONDW : Condenser Water

COP : Coefficient of Performance

CPC : Circuit Protective Conductor

CSA : Contract service availability

CT : Current Transformer

Cu : Copper

DB : Dry Bulb

DC : Direct Current

DI : Ductile iron

dia : Diameter

DIDW : Double Inlet Double Wheel

DOL : Direct on Line

DOS : Disk Operating System

DP : Double Pole

dpi : Dots per Inch

E&M : Electrical and Mechanical

EA : Exhaust Air

EEC : European Economic Community

EEX : EEX is the combination of E and EX, of which E denotes European Standard and EX denotes Explosion Protection Symbol (When an E precedes the EX, the product is in conformity with European Standard)

E/F : Earth Fault

EMC : Electromagnetic compatibility

EMI : Electromagnetic interference

EMSD : Electrical and Mechanical Services Department

EN : Euro-Norm

EPDM : Ethylene Propylene Diene Monomer

EPROM : Erasable Programmable Read Only Memory

ERP : Effective Radiated Power

ESI : Electricity Supply Industry

FCU : Fan Coil Unit

General Materials & Workmanship Specification 3/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

FCS : Fixed Communications System network

FEWG : Fire Evacuation Warning Generators

FFL : Finished Floor Level

FIL : Facility Identification Label

FIN : Facility Identification Number

FRP : Fire Resistance Period

FSD : Fire Services Department

FSDCOP : Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment published by FSD of HKSAR

FTNS : Fixed Telecommunications Network Suppliers

FTU : Formazin Turbidity Units

GBMS : General Building Management System

GI : Galvanized Mild Steel

GM&WS : General Materials and Workmanship Specification

GUI : Graphical User Interfaces

HCFC : Hydrochlorofluorocarbon

HDF : House Distribution Frame

HEC : Hongkong Electric Company Limited

HFC : Hydrofluorocarbon

HKIE : The Hong Kong Institution of Engineers

HKSAR : The Government of the Hong Kong Special Administrative Region of the Peoples Republic of China

HRC : High Rupture Capacity

HV : High Voltage

HVAC : Heating, Ventilation and Air Conditioning

HVCA : Heating Ventilating Contractors Association

IAQ : Indoor Air Quality

IDF : Intermediate Distribution Frame

IEC : International Electrotechnical Commission

IEE : Institution of Electrical Engineers (United Kingdom)

IGBTS : Insulated Gate Bipolar Transistors

I/O : Input / Output

IP : Index of Protection

ISO : International Standards Organization

LAN : Local Area Network

LCD : Liquid Crystal Display

LED : Light Emitting Diode

LEL : Lower Explosive Limit

General Materials & Workmanship Specification 4/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

LPHW : Low Pressure Hot Water

LSF : Low Smoke and Fume

LSOH : Low Smoke Zero Halogen

LV : Low Voltage

MATV : Master Antenna Television

MB : Megabyte

MBMS : Mechanical Building Management System

MCB : Miniature Circuit Breaker

MCC : Motor Control Centre

MCCB : Molded Case Circuit Breaker

MCT : Measuring type Current Transformer

MDF : Main Distribution Frames

MDPE : Medium Density Polyethylene

MSB : Main Switch Board

MFTNC : Mason-Flex Twin Sphere Neoprene

MICC : Mineral Insulated Copper Conductor

MTBF : Mean Time Between Failures

MTTR : Mean Time to Restore

MVAC : Mechanical Ventilation and Air Conditioning

NC : Noise Criterion

Ni : Nickel

NFPA : National Fire Protection Agency

NTSC : National Television Systems Committee

OA : Outdoor Air

O/C : Over Load

O&M : Operating and Maintenance

OFTA : Office of the Telecommunications Authority

OS : Operating System

OSI : Open Systems Interconnection

PA : Public Address

PABX : Private Automatic Branch Exchange

PAF : Public Address Distribution Frame

PAL : Phased Alternate Lines

PAU : Primary Air-handling Unit

PC : Personal Computer

PCT : Protective type Current Transformer

PE : Polyethylene

PF : Power Factor

General Materials & Workmanship Specification 5/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

PCB : Polychlorinated Biphenyls

PCP : Pump Control Panel

PDS : Power Distribution System

PID : Proportional Integral Derivative

PIN : Personal Identification Number

PLC : Programmable Logic Controller

PN10 : Pressure rating at maximum working pressure up to 1,000 kPa

PN16 : Pressure rating at maximum working pressure up to 1,600 kPa

PN25 : Pressure rating at maximum working pressure up to 2,500 kPa

PN40 : Pressure rating at maximum working pressure up to 4,000 kPa

PPM : Part Per Million

PRV : Pressure Reducing Valve

PSM : Plug Setting Multiplier

PTTA : Partially Type Tested Assemblies

PVC : Poly-vinyl Chloride

PWL : Sound Power Level

PWM : Pulse Width Modulation

RA : Returned or Re-circulated Air

RAM : Random Access Memory or Read Write Memory

RCB : Residual Circuit Breaker

RCCB : Residual Current Circuit Breaker

RCD : Residual Circuit Device

REF : Restricted Earth Fault

RF : Radio Frequency

RFI : Radio Frequency Interference

RH : Relative Humidity

RISC : Reduced Instruction Set Computing

RMS : Root Mean Square

RMU : Ring Main Unit

RTI : Response Time Index

SA : Supply Air

S/C : Server/ Concentrator

SCADA : Supervisory Control and Data Acquisition

SCHW : Secondary Chilled Water

SCR : Silicon Controlled Rectifiers

SMACNA : Sheet Metal and Air Conditioning Contractors National Association

SNMP : Simple Network Management Protocol

General Materials & Workmanship Specification 6/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

SP : Single Pole

STP : Shielded Twisted Pair (Cable)

SWA : Steel Wire Armor

TCP/IP : Transmission Control Protocol/Internet Protocol

TDF : Tenant Distribution Frame

TDS : Total Dissolved Solid

TEFC : Totally Enclosed Fan Cooled

TODC : Time-Of-Day Clock

TTA : Type Tested Assembly

TMR : Trunked Mobile Radio

TMS : Time Multiplier Setting

TP : Triple Pole

UK : United Kingdom

UHF : Ultra High Frequency

UL : Underwriters Laboratory

UPS : Uninterruptible Power Supply

UTP : Unshielded Twisted Pair (Cable)

UV : Ultraviolet

VAC : Ventilation/Air Conditioning

VAV : Variable Air Volume

VDO : Voice/ Data Outlet

VSD : Variable Frequency Drive

WB : Wet Bulb

WSD : Water Supplies Department

XLL SF : Cross Linked Low Smoke and Fume

XLPE : Cross Linked Polyethylene

Abbreviations of units of measurement used in this Volume of the GMWS shall be referred to the International System of Units (SI).

General Materials & Workmanship Specification 7/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

44.2 RELEVANT CODES AND STANDARDS

(a) The edition of the codes and standards listed in this volume of the General Materials and Workmanship Specification (GMWS) are for information only. The Contractor shall comply with the latest edition of these codes and standards, including all amendments issued by the relevant institutions, as at the date of the Letter of Acceptance.

(b) The Works shall comply with the standards and codes of practice of the

following institutions:

BSI - British Standard Institution

IEC International Electrotechnical Commission

IETF Internet Engineering Task Force

CIBSE Chartered institution of Building Services Engineers, U.K.

LPC Loss Prevention Council

FOC Fire Officers Committee

IEE Institution of Electrical Engineers, U.K.

ISO International Standard Organization

ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.

ASME American Society of Mechanical Engineers

ASTM American Society of Testing and Materials

NBS National Bureau of Standards

NEMA National Electrical Manufacturers Association

NFPA National Fire Protection Association

UL Underwriters Laboratories, Inc.

DIN Deutsches Institut fr Normung eV

(c) The following regulations, codes and standards shall apply to the relevant parts of the Works:

(i) Electricity Ordinance 1999 (Chapter 406) and its subsidiary regulations

(ii) Code of Practice for Electricity Wiring Regulation by Electrical and

Mechanical Services Department HKSAR, 2009 Edition, hereinafter referred to as part of The Code of Practice or COP.

(iii) IEC 60364 - Electrical Installation in Buildings

(iv) BS 7671 - Requirements for Electrical Installation

(v) Air Pollution Control Ordinance 2001 (Chapter 311) and its subsidiary

regulations.

General Materials & Workmanship Specification 8/34 January 2011 Issue No. 5, Volume 3 Electrical & Mechanical Works Section 44Abbreviations, Standards & GeneralE&M

(vi) Noise Control Ordinance 2004 (Chapter 400) and its subsidiary regulations.

(vii) General Specification for Air-conditioning, Refrigeration, Ventilation and Central Monitoring and Control System Installation in Government Building, Hong Kong 2007 Edition by Building Service Branch, Architectural Services Department. (Hereinafter referred as the AC G/S).

(viii) Code of Practice for Minimum Fire Services Installations and Equipment and Inspection and Testing of installation and Equipment July 2005 Edition by FSD.

(ix) HKFSD Circular Letters

(x) Code of Practice for Fire Resisting Construction 1996 Edition by BD

(xi) General Specification for Fire Service Installation in Government Buildings, Hong Kong 2007 Edition by Building Service Branch, Architectural Services Department. (Hereinafter referred as the FS G/S)

(xii) Building Ordinance 1990 (Chapter 123) and its Subsidiary Regulations

(xiii) General Specification for Building 1993 Edition, Volumes 1 and 2 by

Architectural Services Department

(xiv) Building Services Branch Testing and Commissioning Procedures for various installations issued by Architectural Services Department.

(xv) Code of Practice of Energy Efficiency of Lighting Installation by EMSD

(xvi) Guideline on Energy Efficiency for Lighting Installations by EMSD

(xvii) Code of Practice of Energy Efficiency of Electrical Installation by

EMSD

(xviii) Guideline on Energy Efficiency for Electrical Installations by EMSD.

(xix) Code of Practice of Energy Efficiency of Air Conditioning Installation by EMSD.

(xx) Guideline on Energy Efficiency for Air Conditioning Installations by

EMSD

(xxi) Design Manual: Barrier Free Access 1997 by BD

(xxii) CLP and/ or HEC Power Supply Rules

(xxiii) General Technical Specification for Communal Aerial Broadcast Distribution and Aerial Distribution Systems issued by EMSD.

(xxiv) General Technical Specification for Public Address System by EMSD

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(xxv) ANSI/ASHRAE 15 Safety Code for Mechanical Refrigeration (latest edition)

(xxvi) ISO 1662 Refrigerating Plant

(xxvii) ARI 550/590 Performance Standard or Eurovent Standard

(xxviii) IEE Electrical and Wiring Regulations for Earthing

44.3 NOT USED 44.4 WORKMANSHIP

Workmanship shall be to the highest standard. Only personnel skilled in the appropriate trade shall carry out work. Attention shall be given to the neatness and alignment of equipment, cable, conduit and/or pipe runs as is appropriate.

44.4.1 Supervision of Equipment Installation Work

(a) Registered Electrical Workers of the appropriate grade for the amperage shall be employed to carry out electrical work in pursuant of Regulation 19 (1) of the Hong Kong Electricity (Wiring) Regulations made under Section 59 of the Electricity Ordinance Chapter 406. When the electrical work has been completed, Work Completion Certificates shall be completed and duly signed by the Registered Electrical Worker(s) and the Contractor.

(b) The Contractor shall provide a competent Site foreman engaged on a full-time

basis on Site for each electrical and mechanical trade.

(c) All supervisory staff from foreman level upwards shall be expected to be competent in the use of both spoken and written Chinese and English due to the international nature as demanded for the Hong Kong Airport.

44.5 MATERIALS

Materials shall comply with the Specification and the requirements of the Contract. Where recognized Standards have not been specified, materials shall be to the highest standard currently available and be subjected to review without objection by the Project Manager.

44.5.1 Material Finishes

(a) Material finishes shall comply with Section 22

(b) Structural steel and iron

(i) heavy protective or galvanized finish.

(c) Unpainted steel parts

(i) passivated cadmium plate galvanized or zinc plated as appropriate.

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(d) Screws, nuts, bolts and springs

(i) steel components shall be bright steel zinc, chromium plated or sherardized finish. All non-ferrous screws to be electro-tinned, or to have nickel or chromium plate finish. Springs where possible to be of phosphor bronze or nickel silver.

44.5.2 Corrosion Resistant Steel

(a) Unless otherwise specified, stainless steel tubes and plates used in the Works shall be in accordance with the following standards:

(i) Austenitic stainless steel tubes complying with BS 6323 : Part 1 8;

and

(ii) Stainless and heat resisting plate, sheet and strip complying with BS 1449 : Part 2.

44.5.3 Cast Iron

(a) Cast iron shall not be used for systems containing high-pressure air, oil or water or for any components subject to tension or impact stresses.

(b) Where cast iron is used, grades shall not be inferior to Class 14 of BS 1452.

44.5.4 Aluminium and Aluminium Alloys

(a) Wrought aluminium and aluminium alloys for electrical purposes shall comply with BS 2898.

(b) Unless otherwise specified, aluminium or aluminium alloy when used for

components shall either be painted or be anodized to give a deposit of not less than 50g/m2. Aluminium and aluminium alloys shall not be in direct contact with dissimilar metals.

44.5.5 Bronze

(a) Bronze castings for bearings, packing boxes, and similar applications shall be of the phosphoric bronze type to BS 1400.

44.5.6 Brass

(a) Brass tubing shall be of the heavy gauge seamless type and shall comprise 70% copper, 29% zinc and 1% tin.

44.5.7 Copper

(a) Copper tubing shall be of the seamless type to BS 2871.

(b) Copper for electrical purposes shall conform to the requirements of BS 1432 : Part 4 and BS 1977 as appropriate for the duty.

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44.5.8 Fabrics, Cork, Paper, etc.

Fabrics, cork, paper and all similar materials where not subsequently protected by impregnation, shall be adequately treated with a fungicide reviewed without objection by the Project Manager. Sleeving and fabrics treated with linseed oil or linseed oil varnishes shall not be used.

44.5.9 Wood

Any woodwork that forms part of the Permanent Works shall be appropriately treated in a manner reviewed without objection by the Project Manager to protect it against the ingress of moisture, growth of fungus or other forms of deterioration, and it shall be fire resistant.

44.5.10 Adhesives

Adhesives shall be specially selected to ensure use of types that are impervious to moisture, resistant to mould growth and other forms of attack or deterioration.

44.5.11 Insulating Materials

Non-impregnated paper, fabric, wood or press-palm shall not be used for insulating purposes. Where synthetic resin bonded insulating boards are used, all cut edges shall be sealed with a varnish reviewed without objection by the Project Manager.

44.5.12 Bolts, Studs, Nuts and Washers

(a) All bolts, studs and nuts shall be to a relevant standard reviewed without objection by the Project Manager and to metric dimensions and shall generally be of bright steel. Those items included in moving machinery subject to vibration, high temperature or pressure shall be of high tensile material reviewed without objection by the Project Manager. The use of black grade bolts may only be permitted in locations reviewed without objection by the Project Manager.

(b) Bolts, studs, nuts and washers shall be made of free machining quality

stainless steel when:

(i) subject to frequent adjustment or removal, such as the adjusting bolts for gland rings or stuffing boxes, removable screws on gratings, manhole bolts and adjustable bearings.

(ii) used for any application subject to an outdoor corrosive atmosphere.

(c) Bolts, studs and nuts shall be suitably machined. Rolled threads may be

permitted if they conform to a standard reviewed without objection by the Project Manager. Washers shall be provided under all nuts and also bolt heads where appropriate. Bolts and studs shall protrude by at least one thread pitch beyond the outside face of nuts. Where beveled washers are used they can be compressed only once.

(d) Jacking screws shall be of high tensile steel with fine threads of a form

reviewed without objection by the Project Manager.

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(e) Nuts, bolts, tap-bolts, set pins and any other items included in moving machinery subjected to vibration shall be secured with locking devices reviewed without objection by the Project Manager.

(f) Where bolts pass through structural members taper washers shall be fitted

where necessary to ensure that no bending stress is caused in the bolt. 44.5.13 Bedplates, Alignment, Leveling and Fixing

(a) All bedplates of fabricated construction shall, prior to final machining, be fully stress-relieved.

(b) The Contractor shall design the holding-down, alignment and leveling bolts

completed with anchorages, nuts, washers, packing and anti-vibration arrangements required to attach the Plant to the structure, without exceeding the design stresses of the structure.

(c) To facilitate the alignment and leveling of larger components, all bedplates

shall incorporate jacking screws suitably arranged to provide for movement of driving motors in both axial and transverse directions. Motor seating pads shall be so arranged that single piece machined packers can be inserted in place of shims of requisite thickness under each foot, or pair of feet, on completion of alignment.

(d) After final alignment checks have been completed, and the unit runs at

nominal output for not less than six hours alignment shall be rechecked and the unit securely dowelled to the bedplates.

44.5.14 Dissimilar Metals

As far as practicable the use of dissimilar metals in contact shall be avoided, but, where unavoidable, these metals shall be so selected that the electro-chemical potential difference between them does not exceed 250 millivolts. If this is not possible, the contact surfaces of one or both of the metals shall be electroplated or otherwise finished in such a manner that the potential difference is reduced to within the required limits or the two metals shall be insulated from each other by suitable means reviewed without objection by the Project Manager.

44.5.15 Ducting, Pipework, Cable Tray and Trunking Supports

Unless otherwise specified, the supports and hangers shall be constructed of mild steel which shall be hot dipped galvanized coated or with a minimum thickness of 250 micron of "Kelvar Sintercoat LLOPE" halogen free thermo plastic coating meeting Class 1, BS 476 : Part 1, or equivalent.

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44.6 INSTALLATION OF EQUIPMENT 44.6.1 Installation of Equipment

The equipment shall be carefully unpacked, assembled and installed in accordance with the Contractors Drawings reviewed without objection by the Project Manager and any instructions of the equipment manufacturer. All equipment, apparatus, materials, and parts delivered to Site shall be kept in the packing cases or under protective coverings until required for use. Where so packed or covered the enclosures shall be clearly marked to identify the contents as to their types, grades, materials and manufacturer.

44.6.2 Lifting and Handling

All lifting and handling shall conform to manufacturer's instructions or the instructions printed on the shipping container. All handling and positioning techniques employed, including lifting, skidding, and jacking, shall be performed in a manner that will avoid subjecting the equipment to undue flexure and stress. Hooks and slings shall not be attached in any manner that can possibly result in bending, damaging, or breaking any part of the equipment. Pallets, cradles, and skids shall be used wherever necessary to safely handle equipment. Lifting eyes and lugs provided shall be used on equipment in making lifts. Saddles, spreader beams or other special lifting equipment required shall be supplied.

44.6.3 Anchoring and Grouting

Carefully plumb and align all units and associated equipment, fully bolt and securely anchor to foundations, floor or other supports. Where grouting is required the equipment shall be carefully aligned on shims and grouted in accordance with the following procedures as the minimum requirement:

(a) Leveling and Aligning

(i) location:

leveling and aligning shimming shall be accomplished with a minimum number of blocks and shims. The number of blocks and shim packs, their size and location shall be in strict conformance with the manufacturer's requirements. Leveling blocks and shims, if required, shall be placed on each side of anchor bolts and at locations where the base could sag;

(ii) materials:

leveling blocks and shim stock shall be mild carbon steel saw cut or sheared with all burrs and rough surfaces removed by filing. Shims of other type of materials shall be subject to the prior review without objection by the Project Manager. Wedges for shimming shall not be permitted;

(iii) equipment with leveling screws:

a steel leveling plate shall be placed under each leveling screw on equipment furnished with leveling screws. Plates shall not protrude beyond the edge of the equipment base. When leveling screws are used, shim or block equipment shall be used to relieve the load on the screws prior to grouting. The equipment shall then be lowered making adjustments with leveling screws;

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(iv) equipment without leveling screws: rectangular steel leveling blocks shall be placed on the foundation bolt on equipment without leveling screws. Additional steel leveling blocks shall be placed directly under all parts of the base that carry direct heavy loads. Leveling blocks shall be spaced to give uniform support, and shall not project beyond the edge of the base. With the unit resting on leveling blocks, the unit shall be adjusted to establish alignment and elevation. Levels shall be checked in both directions. Shims shall be installed as required to maintain even weight distribution on all leveling blocks. If wedges are used in adjusting elevations, the base shall be supported in the final level position entirely by the leveling blocks and not partially by wedges. Grout pads may be substituted for steel leveling blocks. Wedges shall not be used as shims. All temporary wedges used for raising equipment shall be removed before equipment is tightened down or grouted. Leveling blocks and shims shall be positioned to not interfere with the placing of grout;

(b) Grouting

Grouting to structural steelwork, machine bases, crane rails, electrical and mechanical equipment and other electrical and mechanical installations shall comply with the requirements as follows:

(i) the Project Manager shall be notified before items of equipment are

grouted;

(ii) concrete surfaces shall be scrabbled to remove laitance and loose material and to expose the aggregate before the item or equipment is installed in position;

(iii) the voids to be grouted shall be cleaned and thoroughly wetted

immediately before grouting. Excess water shall be removed by using compressed air jet;

(iv) grout shall be mixed and placed by methods reviewed without objection

by the Project Manager;

(v) if grouting is to be carried out in two operations, holding down bolts shall be grouted into preformed pockets. Sufficient time as specified by the Project Manager shall be allowed for the grout to cure and for the bolts to be tensioned before the remaining voids are grouted; and

(vi) exposed grout surfaces shall have a uniform, dense and smooth

surface free from trowel marks that is produced by steel toweling of the exposed surfaces under firm pressure. The exposed surfaces shall be cured by either:

- using a liquid curing compound applied to the surface by a low

pressure spray until a continuous visible covering is achieved, or

- covering the surface with Hessian or sacking; the Hessian or sacking shall be lapped and securely held in position and shall be kept damp for at least 4 days.

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44.6.4 Final Alignment

(a) After grout has set for a minimum of five days, the level and alignment of the equipment shall be checked and adjusted to the correct level and alignment. Where practicable, shims shall be installed as required for adjustments between component parts of the equipment without disturbing the bond between the grout and the underside of the equipment base. Where the necessary level and alignment adjustments require breaking of the bond between the equipment base and the grout, original grout shall be removed and the base shall be re-grouted after completion of leveling and alignment.

(b) Shaft coupling alignment

(i) the shafts of all machinery utilizing shaft couplings between drivers

and speed reducers and equipment shall be aligned carefully and accurately, and where practicable, test direction of rotation of the driver before the final shaft coupling connection is made;

(ii) type of shaft misalignment:

all necessary corrections shall be made to eliminate both types of shaft misalignment defined below:

- Angular misalignment : Shafts having axis concentric but not

parallel; and

- Parallel misalignment : Shafts having axis parallel but not concentric.

(iii) the foundation bolt nuts shall be securely tightened after confirmation or

correction of equipment level and alignment on the seasoned grout. Back-off leveling screws at this time so that equipment shall be supported on the grout; and

(iv) after the equipment has been lubricated, the equipment shall be slowly

turned over, carefully checked for clearances and improper adjustments of alignment, and such corrections made as required. After final alignment is obtained, the equipment shall be operated for a period of time in accordance with the manufacturer's installation and operating instructions and the alignment re-checked and adjusted if necessary.

44.6.5 Lubrication

(a) All machinery and equipment shall be lubricated unless factory lubricated prior to running the machinery and equipment. The Contractor shall lubricate machinery and equipment in strict accordance with the recommendations of the manufacturer using the products specified by the manufacturer. An itemized list of required lubricants and hydraulic fluids shall be prepared including quantities, required for all machinery and equipment. The itemized list shall be submitted to the Project Manager for review without objection.

(b) Bearings shall be protected at all times against the possible entrance of

foreign matter. In the event that matter other than lubricant enters the bearing casing, the Contractor shall inform the Project Manager and submit proposals to remedy the situation.

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44.6.6 Calculations for Equipment Installation

The Contractor shall submit calculations to the Project Manager for review as requested that substantiate the method for the installation of equipment, including any necessary footings, plinth, etc.

44.7 ENERGY EFFICIENCY AND CONSERVATION 44.7.1 General

All Plant, equipment, systems and services provided by the Contractor shall conform to the energy efficiency and energy conservation requirement as stipulated in the Codes of Practice for Energy Efficiency of Air Conditioning Installations, Lighting Installations, Lift and Escalator Systems and Electrical Installations issued by Electrical and Mechanical Services Department of the Hong Kong SAR Government.

44.7.2 Energy Efficiency Labelling

The Contractor shall submit to the Project Manager for review technical data such as equipment brand, model, working capacity, energy efficiency grades and categories as stipulated under the EMSD Energy Efficiency Labeling Scheme for room coolers, electric storage-type water heaters, compact fluorescent lamps and other equipment, where appropriate, as specified under the EMSD Labeling Scheme.

44.8 WELDING 44.8.1 Procedures

(a) Full details of proposed procedures for off-Site and on-Site welding shall be submitted to the Project Manager for review without objection. Welding shall not commence until the procedures have been reviewed without objection by the Project Manager.

(b) Unless otherwise specified, all welds shall be subjected to random testing.

Pipeline weld samples shall be cut for review as directed from specimens that are identical to installed Works and subject to X-ray or destructive weld tests as directed by the Project Manager.

44.8.2 Welded Joints

(a) The design of welded joints and connections, and the fabrication of welded steel parts shall conform to the requirements of a relevant code for structural steelwork reviewed without objection by the Project Manager, and shall also be stress-relieved to a code reviewed without objection by the Project Manager.

(b) Members to be joined by welding shall be accurately cut to size and, where

required, shall be rolled or pressed to the proper curvature in accordance with the Contractors Drawings, reviewed without objection by the Project Manager. Weld Sites shall be machined to produce the correct profile for the required type of welding.

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(c) Surfaces prepared for welding shall exhibit sound metal without laminations and other injurious defects. Surfaces of plates to be welded shall be free from rust, grease, mill scale and other foreign matter over a distance of at least 25 mm back from weld edges.

44.8.3 Qualification of Welders

(a) All welding operators proposed by the Contractor for the manufacture, assembly or erection on Site of pressure-tight or highly-stressed components shall be qualified in accordance with a relevant code and shall be reviewed without objection by the Project Manager in this respect prior to commencement of work.

(b) If at any time, in the opinion of the Project Manager, the work of any welder

appears questionable, the welder shall be required to undergo, in the presence of the Project Manager, tests to determine the welder's ability to undertake satisfactorily the type of work upon which he is engaged. An independent examiner reviewed without objection by the Project Manager shall then undertake appropriate tests upon the welded specimens.

44.8.4 Welding Process

(a) All welding shall be performed by a process which will exclude the atmosphere from the molten metal and, wherever possible, under procedure control using automatic machines. Electric arc welding is preferred.

(b) Welding electrodes for manual electric arc welding shall be of the heavily

coated type, suitable for all positions of welding. 44.8.5 Butt-Welding

Care shall be exercised in aligning and separating edges of members to be joined by butt-welding in order to assure complete penetration and fusion at the bottom of the joint. Where fillet welds are employed, members shall fit closely and be held together during welding.

44.8.6 Cleaning of Welds

After deposition, welds shall be cleaned of slag and shall show uniform sections, smoothness of weld metal, featheredges without overlay and freedom from porosity, inclusions and undercut. Visual inspection at the edges and ends of welds shall indicate sound fusion with the parent metal. In the case of pressure-tight components, all slag shall be removed by shot blasting.

44.8.7 Testing and Inspection of Welds

Unless otherwise specified, particulars of proposed methods for carrying out testing on welds, such as non-destructive testing and 100% radiographic testing, and inspection shall be submitted to the Project Manager for review without objection.

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44.9 DRAWINGS PROVIDED BY THE CONTRACTOR

The Employers Drawings indicate the general arrangement and design intent of E&M systems and E&M works. The Contractor shall, unless otherwise directed by the Project Manager, shall comply with the following:

44.9.1 Contractors Drawings

(a) The Contractor shall submit detailed Contractors Drawings to the Project Manager in compliance with the Contract, and shall at least include:

(i) symbols and notations compatible with the Employers Drawings; (ii) architectural layouts with room names and room reference numbers,

inclusive of detailed runs of conduits, trunking cable, piping, ductwork, equipment layout, including sufficient space for maintenance and control panel access;

(iii) complete layout or assemblies of switchgears, distribution board,

cable, wiring and equipment, pipe assemblies, details of pipe fittings, valve cabinets, pump assemblies, water tanks, AHU, chilled water and condensate drain pipes, including all essential minor components and accessories;

(iv) weight and dimension of all plant and equipment including positions of

all fixings, hangers and supports;

(v) working clearances for all items including clearance for maintenance access;

(vi) schematic diagrams for all piping, ductwork and electrical systems;

and

(vii) proposed setting levels of all adjustable tripping devices, level control for water tanks, MVAC control devices and system monitoring instrument, including testing and commissioning procedures.

44.9.2 Contractors Drawings of Manufactured Plant

(a) The Contractor shall submit to the Project Manager for review without objection Contractors Drawings which include detailed drawings of the equipment and Plant, including control systems and wiring diagrams, supplied by specialist manufacturers.

(b) These Contractors Drawings shall include detailed construction, principal

dimensions and weights, clearances for maintenance, control wiring diagrams, and environmental issues, etc. No work should proceed on or off the Site prior to the notice of no objection from the Project Manager.

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44.9.3 Contractors Drawings Schematic Piping, Ductwork and Wiring Diagrams

(a) The Contractor shall submit schematic diagrams showing the layout of each item of equipment clearly identified with all interlocking and related facilities and interfacing requirements with other services.

(b) These drawings should include logic sequence piping, ducting and wiring

diagrams showing full details including terminal and wire numbers, liquid and air flow rates, colour code etc. for all items of electrical/electronic equipment. Inter-locking, reset or similar facilities shall be clearly shown.

(c) Line diagrams should also be prepared and submitted for all physical wiring

detailing positions, enclosures, fixings, support, protection, sizes and number of cables, piping, ducting and equipment for all runs. Contractors Drawings also include those for switchgear, starter, control/ instrumentation/ motor control panels/ air-conditioners and fans control/ ventilation facilities

(d) The schematic layout drawings shall show positions in relation to the building

structure and other plant, equipment and/or installations.

(e) Contractors Drawings shall include the physical construction and the internal and external layout of all panels, cabinets, and cubicles including the physical arrangement of all major and vital components, bus-bars, phase separation barriers, interconnecting wiring, labels etc.

(f) Contractor Drawings shall include controls and wiring diagrams and

schematics for all internal and external wiring including all interlocks and connections from the panels to external equipment and interfacing work with other services.

(g) Contractors Drawings shall also include the proposed full wording of all labels

to be installed in Chinese and English characters. 44.9.4 As-Constructed Drawings

(a) The As-Constructed drawings submitted by the Contractor for E&M works shall include the following:

(i) schematic diagrams of all systems;

(ii) individual floor plans and sections to a scale of not less than 1:50

showing all installations accurately located;

(iii) plant room layouts, with sections, to a scale of not less than 1:20;

(iv) wiring, piping, ducting and schematic diagrams with setting and adjustments noted for all electric/electronic control systems, control panels, motor starters, interlocks, air-conditioners, fans, ventilation facilities, etc;

(v) sizes and positions of all plant, equipment, switch room, etc. clearly

identified by its service and dimensioned location;

(vi) equipment numbers previously reviewed without objection by Project Manager.

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(b) The Contractor shall provide and install in the main L.V. switch room and generator room schematic diagrams in the form of non-fade reduced prints framed underglass to the satisfaction of the Project Manager.

44.10 PAINTING AND FINISHES 44.10.1 General - Materials

(a) All parts of the work related to Sections 44 to 108 shall be painted with first quality enamel paints, reviewed without objection by the Project Manager except as otherwise specified or exempted from painting in the Specification.

(b) The requirement for painting of all pipe work and ductwork is in addition to the

colour coding or banding specified in the Specification.

(c) Paint shall be selected to withstand the temperature on the surface that it is applied, and shall be suitable in all respects for the environmental conditions in which it shall be located.

(d) All paint used shall be from one manufacturer reviewed without objection by

the Project Manager. Finishes shall be full gloss unless otherwise specified.

(e) Before ordering any primer, undercoat and finishing paint, the Contractor shall submit the colour scheme to the Project Manager for review without objection.

44.10.2 Plant, Machinery and Equipment

All items of plant, machinery and equipment supplied painted ex-factory shall be given one finishing coat of full gloss enamel, except where the manufacturer's standard finish has received a notice of no objection from the Project Manager.

44.10.3 Exposed Metal Work

(a) Exposed metalwork shall be wire-brushed and cleaned from rust, scale, dirt and grease, and shall then be given one priming coat, one undercoat and one finishing coat of full gloss enamel reviewed without objection by the Project Manager.

(b) The priming coat for exposed galvanized iron shall be galvanized iron primer

reviewed without objection by the Project Manager.

(c) The priming coat for exposed non-ferrous metalwork shall be suitable for the metal to which it will be applied and reviewed without objection by the Project Manager.

44.10.4 Concealed Metal Work

(a) All galvanized iron surfaces concealed in roof spaces, false ceilings, building ducts etc. shall not be painted.

(b) All black iron and steel surface shall be wire brushed and given one coat of

zinc chromate.

(c) Colour banding for identification shall be provided.

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44.10.5 Ductwork, Pipework and Metal Sheathing

(a) Uninsulated ductwork, internally insulated ductwork, uninsulated pipework and metal sheathing shall be painted as for exposed or concealed metalwork as applicable.

(b) Turned parts of valves, controls etc, shall be cleaned and polished to the

satisfaction of the Project Manager.

(c) Hammered aluminium cladding shall not be painted. 44.10.6 Plastered Finish Insulation

Plastered finish insulation surfaces shall be given one coat of size, one undercoat consisting of two parts of ordinary undercoat to one part of sealer, and one finishing coat of full gloss enamel.

44.10.7 Colour Schemes

(a) The whole of the installation shall be painted in accordance with the following schedule:

(i) pipeworks:

Identification - BS 1710: Identification of pipelines and services

Colour coding

- BS 4800: Colour codes for schedules of particular materials and substances carried*

* Detailed colour code schedules for materials and substances

carried such as cold water, hot water, steam, combustible liquids, gas, acids, air, are described in Section 44.10.10.

(b) Equipment shall be painted and colour coded to BS 381C for identification,

coding and special purposes of particular equipment as follows:

Colour No.

Control Panels : Grey ---

Electrical Motors : As directed As directed

Electrical Conduits : As directed As directed

All other equipment : As directed As directed

Painting colour for exposed insulated ductwork in shopping area shall be further advised as directed.

(c) Where any pipes, ducts, cable containments and the like are visible from any

public area, all such pipes, ducts, cable containments and the like, including but not limited to associated supports, shall be painted grey (RAL7036) or as otherwise instructed by the Project Manager.

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(d) Where any pipes, ducts, cable containments, equipment and the like are visible from the Head of Stand road, all such pipes, ducts, cable containments and the like, including but not limited to associated supports, shall be painted to grey (RAL7036) or as otherwise instructed by the Project Manager.

(e) All pipes, ducts, cable containments, equipment and the like, including but not limited to associated supports, which are located in any open air-cooled chiller space on the plant deck, shall be painted to grey (RAL7036) or as otherwise instructed by the Project Manager.

(f) All cable containments, equipment and the like, including but not limited to associated hanging supports, which are located inside glazed lifts, shall be painted to dark grey (RAL7036) or as otherwise instructed by the Project Manager.

(g) All ceiling mounted fixtures including but not limited to, diffusers, grilles, sprinkler heads, detectors, remote indicators, modules and visual fire alarm, lighting fittings, speakers, etc and their associated supports, which are exposed to view from any public area, shall be painted to grey colour (RAL7036) or as otherwise instructed by the Project Manager.

(h) All ceiling mounted fixtures including but not limited to, diffusers, grilles,

sprinkler heads, detectors, remote indicators, modules and visual fire alarm, lighting fittings, speakers, etc and their associated supports, which are exposed to view inside the toilets, nursing areas, prayer room, bulk head of retail cabins and F&B cabins, shall be painted to white colour (RAL9016) coated or as otherwise instructed by the Project Manager.

(i) All sprinkler heads under the escalators shall be silver colour coated by the manufacturer. Colour sample shall be submitted to the Project Manager for review without objection.

(j) All temporary protective coatings on bright metal finishes shall be removed.

44.10.8 Finishes

(a) Cleaning and Painting

The following exposed metal surfaces, including the internal and external surfaces of piping, shall be thoroughly cleaned of all dust, oil, grease, dirt, scale and rust by grit or shot-blasting and then ground smooth where necessary. Immediately thereafter, surfaces shall receive treatment detailed as follows:

(i) surfaces of castings, steel work, piping and plant which shall be in

direct and permanent contact with concrete shall be painted and covered, prior to shipment to Site, with one single coating of Portland cement wash or other proprietary coating plus a lapping of black bitumastic paint or equivalent reviewed without objection by the Project Manager;

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(ii) internal surfaces of all oil service ferrous pipes and fittings shall be carefully inspected to ensure that all scale and other particles or contaminants have been removed and shall then be protected in a manner reviewed without objection by the Project Manager to prevent deterioration during transport and subsequent erection;

(iii) external surface of accessible ferrous pipes and fittings shall be

treated with two coats of primer paint reviewed without objection by the Project Manager prior to dispatch from the place of manufacture; and

(iv) external surfaces of all plant items in damp environments shall, unless

made of non-ferrous metal, be coated with a bituminous compound reviewed without objection by the Project Manager. All access ladders and platforms and associated supporting steelwork shall be galvanized.

(b) All other exposed surfaces, except where otherwise specified shall be

thoroughly cleaned of all dust, oil, grease, dirt, scale, rust or other contaminants by power brushing, or preferably by shot or grit blasting, and shall then be coated with one coat of primer paint immediately. Following witnessed factory tests, any rough surfaces shall be filled in and carefully dressed smooth, on completion of which further treatment shall be detailed as follows:

(i) interior surface of oil-filled chambers and tanks, and the external

surfaces of piping or fittings included therein, shall receive one undercoat followed by two final coats of oil-resistant enamel paint of colour and type reviewed without objection by the Project Manager;

(ii) internal surfaces of cubicles, kiosks, boxes, etc., containing wiring or

other apparatus, and the internal compartments of plant components forwarded to Site in assembled or partially assembled condition, shall be paint-finished with primer and two coats of white enamel, the last of which shall be an anti-condensation finish;

(iii) external surfaces of panel suites, cubicles, kiosks, marshalling and

junction boxes, etc., shall be well finished in stove enamel, or powder coating process reviewed without objection by the Project Manager, and with colour in accordance with BS 381C;

(iv) all surfaces forming an interior accessible compartment shall receive

one undercoat to be followed by two final coats of white oil-resistant enamel paint, or a powder coating process reviewed without objection by the Project Manager; and

(v) external surfaces of all other plant components shall be finally painted

in colours reviewed without objection by the Project Manager.

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(c) Galvanizing

(i) hot dip galvanized coatings on iron and steel articles:

- unless otherwise specified, the galvanized coatings shall be applied by the hot dip process and shall consist of a smooth, clean zinc coating free from defects and of uniform thickness to manufacturers recommendation complying with BS 729;

- all drilling, punching, tapping and bending of parts shall be

completed and all burrs removed before galvanizing is done; and

- preparation for galvanizing and the galvanizing itself shall not adversely affect the mechanical properties of the wire or coated material;

(ii) unless otherwise specified, semi-finished products such as hot dip

galvanized steel sheet suitable for subsequent fabrication shall have the following coating weights:

- where no paint finish is required the coating weight shall be not

less than 300g/m2 of surface, that is, 150g/m2 on both sides;

- where paint finish is required the coating weight shall be not less than 120 g/m2 of surface, that is, 60 g/m2 on both sides; or

- steel wire, coating thickness shall comply with the tests of BS 443.

(d) Paint Finish Schedule

Unless otherwise specified, the Contractor shall apply paint finish to all exposed metalwork including supporting rods and brackets, cable trays, trunking, lighting fittings, pipework, ductwork, surface conduits and accessories and other equipment.

(i) method of application:

- paint finish shall be regarded as an additional finish applied over

hot dip galvanized steel sheet or extruded aluminium surface, or other coatings, already defined elsewhere in Specification. Details shall be submitted to the Project Manager for review without objection; and

- paint finish shall be applied at manufacturer's works prior to

delivery to Site for installation. 44.10.9 Painting on Site

(a) General

The process shall be applicable to supportive rods and brackets, pipework, ductwork and other equipment that are fabricated on Site and shall include the following. No site painting shall be applied to all items of electrical equipment supplied painted. Only touch-up as directed shall be required.

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(b) Preparation

(i) galvanized surfaces shall be washed with white spirit to remove dirt and grease. If the metal coating is defective, instructions shall be obtained from the Project Manager before proceeding; and

(ii) mild steel or ductile iron surfaces shall be scraped or wire-brushed to

remove rust and loose scale and welding slag or splatter. Crevices shall be cleaned out. Oil, grease and dirt shall be removed by power brushing or using white spirit.

(c) Colour Control

(i) colour shall be as specified or as directed by the Project Manager. For

each finish colour, the colour of undercoat recommended by the paint manufacturer shall be used; and

(ii) control samples: each paint type on the corresponding surface shall be

submitted for review without objection by the Project Manager. No painting on Site shall commerce until the submitted samples have received a notice of no objection from the Project Manager.

(d) Cleaniness

(i) all brushes, tools and equipment shall be kept in a clean condition;

(ii) all surfaces shall be kept clean and free from dust during painting and

drying; and

(iii) a suitable receptacle for liquids, slops, washing shall be provided. Disposal shall be in accordance with the EPD Procedures.

(e) Preparation of Materials

Paints shall be prepared as recommended by the manufacturer. Any paints showing impurities, lumps, skin or uneven consistency shall be strained through fine gauge prior to application. Different paints shall not be mixed. Paints shall be stirred to attain an even consistency before use.

(f) Protection

Freshly applied paints shall be adequately protected from damage. Wet Paint signs shall be exhibited and protective barriers shall be provided on Site where necessary. Surfaces adjacent to those being painted shall be adequately protected.

(g) Application

Paints shall be applied in accordance with the manufacturer's recommendations to clean and dry surfaces in dry atmospheric conditions and after any previous coats have properly hardened.

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(h) Priming

(i) Priming coats shall be applied by brush unless other methods are specifically recommended by the manufacturer;

(ii) Priming coats shall be of adequate thickness as recommended by the

manufacturer;

(iii) Any primed surfaces that have deteriorated on Site or in transit shall be touched-up or re-primed to the satisfaction of the Project Manager;

(iv) Metal surfaces shall be primed on the same day they have been

cleaned;

(v) Unless otherwise specified, undercoats shall be applied by brush in a wet, even film all over surfaces, avoiding uneven thickness at edges and angles;

(vi) All priming and undercoats shall be rubbed down to a smooth surface

with abrasive paper and all dust shall be removed before applying the next coat;

(vii) Unless otherwise specified, finish coats shall be applied by brush in a

wet, even film all over surfaces, avoiding brush marks, sags, runs and other defects. Second coat shall be applied within 48 hours of first coat; and

(viii) Surface shall be cut in neatly and clearly. Adjacent surfaces shall not

be splashed or marked

(i) Material for Painting

All coating materials shall be submitted for review without objection by the Project Manager;

Coating materials shall be delivered in manufacturers sealed containers, clearly labeled with the following information:

(i) Type of material;

(ii) Brand name, if any;

(iii) Intended use; and

(iv) Manufacturer's batch numbers.

(j) Paints

(i) for hot-dip galvanized finish

- etch primer shall be zinc chromate primer ICI Dulux FD500-388 or

equivalent;

- undercoat shall be ICI Dulux speed undercoat A545-101 or equivalent;

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- finish coat shall be ICI Dulux gloss finish A365-line or equivalent; and

- 1 primer, 1 undercoat and 2 finish coats shall be applied.

(ii) for extruded aluminium surface

- each primer shall be IMP Unite 220 or equivalent;

- finish coat shall be polyurethane, IMP Imperite 330 or equivalent;

and

- 2 primers and 2 finish coats shall be applied.

(iii) for other finish/ surface

- undercoat shall be ICI Dulux speed undercoat A543-101 or equivalent;

- finish coat shall be ICI Dulux gloss finish A365-line or equivalent;

and

- 1 primer, 1 undercoat and 2 finish coats shall be applied.

(iv) paint samples, manufacturer's literature and certificates shall be reviewed without objection by the Project Manager.

44.10.10 Pipes and Ducts

(a) Pipes and Ducts

(i) the final external treatment for insulated pipes and ducts shall be as indicated on the Employers Drawings or in the Specification;

(ii) bare ducts, pipes and ducts concealed in false ceiling or ducts not

normally accessible and/or seen need not be painted but appropriate colour code indications shall be applied;

(iii) insulated pipes and ducts run in normally visual positions shall be

plastered or as otherwise specified and shall be painted to the appropriate identifying colour plus identifying colour code bands;

(iv) all piping and ductwork run in normally visual areas shall be painted in

the appropriate colour throughout and identified with appropriate colour code bands;

(v) ferrous pipework not normally accessible and/or seen shall be painted

with two coats of primer paint reviewed without objection by the Project Manager and identified with appropriate colour code bands; and

(vi) All services identification labelling and indication shall be located in

such a manner as to be concealed by ceiling panels and the like.

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(b) Plant and Pipework

All Plant, unless otherwise specified, shall be finished in a colour specified or as directed by the Project Manager.

(c) Identification of Pipelines

(i) colour code numbers stated in the table below are those of BS 4800

colour code reference.

(1) Basic Identification Colour BS 4800

Green 12D45

Silver 10A03

Brown 06C39

Yellow Ochre 08C35

Violet 22C37

Light Blue 20E51

Black 00E51

Orange 06E51

(2) Safety Colour

Red 04E53

Yellow 08E51

Auxiliary 18E53

(3) Code Indication Colour

Crimson 04D45

Emerald Green 14E53

Yellow 10E53

(ii) all pipework in the plant rooms shall be finished generally in accordance with BS 1710. All pipework, where exposed on surfaces outside the plant room, shall either be painted as in the plant room or to match the surrounding surface with distinguishing colour code bands plus flow arrows in the specified colour scheme as reviewed without objection by the Project Manager.

(iii) pipes and pipelines should be painted in colours either in accordance

with BS 1710 or as reviewed without objection by the Project Manager completed with the identification colour code indicators. The basic identification colour or the decoration colour shall be applied over the whole length of the pipe with colour code indicators placed at all junctions, at both sides of valves, service appliances, bulkheads, wall penetrations and at any other places identification is necessary as directed by the Project Manager.

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(iv) valves may be painted in the same colour as the associated pipework, except where the pipeline is part of the fire services installation and has been coded only with the safety colour, the valves involved shall be fully painted 'safety-red'.

(v) the direction of flow of fluid shall be indicated by an arrow over the

basic identification colour and painted white or black in order to contrast clearly with the basic identification colour.

(d) Schedule of Colour

Colour numbers as stated in the following table are those of BS 4800 Schedule of paint colours for ready paints.

Description Basic

Colour Colour Code Indication 10mm approx. Basic

Colour

Pipework:

Drinking Green Blue Green

Cooling (Primary)

Green White Green

Boiler Feed Green Crimson White Crimson Green

Condensate Green Crimson White Crimson Green

Water Chilled Green White Emerald Green

White Green

Mains Supply, Cold

Green White Blue White Green

Mains Supply, Hot

Green White Blue White Green

Sea, River Untreated

Green

Fire Fighting Green Safety Red Green

Gases In either gaseous or liquefied condition (exception)

Yellow Ochre

Compressed Air Light Blue

Steam Silver Grey

Oil Lubricating Brown Emerald Green Brown

Gas Town Yellow Ochre Emerald Green Yellow Ochre

Drainage Black

Acids & Alkalines Violet

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(e) Number of paint coats required

All painted surfaces, as a minimum shall receive at least one primer coat and two coats of the finishing colour. Ferrous surfaces shall receive one primer coat of red zinc or zinc chromate, one under-coat and two finishing coats.

(f) Copper pipe and Fitting

Copper pipes and fittings for refrigerant that are not insulated shall be polished bright and coated with heat resisting clear synthetic varnish of type reviewed without objection by the Project Manager.

(g) Protective Measures Against Corrosion

Where normal painting is not practicable, all possible measures to eliminate corrosion shall be applied to the Plant including correct materials, special protective coating coverings and special anti-corrosive paints, which shall generally be specified on Employers Drawings or stated in the Specification. If they are not specified, a painting proposal shall be submitted by the Contractor to the Project Manager, for review without objection.

44.11 FACILITY IDENTIFICATION 44.11.1 Facility Identification Numbers