IMO IC772E

IMO IC772E

IMO IC772E

IMO IC772E

BCH Code: Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals Bulk, 2008 Edition
Edition: 9th

International Maritime Organization / 2008 / 123 pages
ISBN: 9789280115093
CONTENTS
Page
Foreword ……. ix
Code for the Construction and Equipment of
IMO IC772E, Ships Carrying Dangerous Chemicals in Bulk
Preamble ……. 1
CHAPTER I – GENERAL
1.1 Purpose……… 3
1.2 Scope . 3
1.3 Hazards …….. 4
1.4 Definitions ….. 5
1.5 Equivalents …. 7
1.6 Survey and certification……. 7
1.7 Effective date . 13
1.8 New products 14
CHAPTER II – CARGO CONTAINMENT
A – Physical protection (siting of cargo tanks;
floatability and damage stability)
2.1 General……… 15
2.2 Ship types ….. 16
B – Tank types
2.3 Installation ….. 20
2.4 Design and construction ….. 20
2.5 Requirements for individual substances….. 20
C – Ship arrangements
2.6 Cargo segregation …. 21
2.7 Accommodation spaces …… 21
iii
Page
2.8 Cargo pump-rooms .. 22
2.9 Access to void spaces, cargo tanks and other
spaces in the cargo-tank area……… 23
D – Cargo transfer
2.10 Piping arrangements . 23
2.11 Cargo-transfer control systems ……. 25
2.12 Ship’s cargo hoses…. 25
E – Tank vent systems
2.13 General……… 26
2.14 Types of tank vent systems.. 27
F – Cargo temperature control
2.15 General……… 29
2.16 Additional requirements …… 30
G – Materials of construction
2.17 General……… 30
2.18 Additional requirements – deleted. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
H – Environmental control of vapour space in cargo
tanks and void spaces surrounding such tanks
2.19 General……… 31
2.20 Environmental control requirements for individual substances…. 32
2.21 Ballast tank arrangements…. 33
2.22 Bilge pumping arrangements from spaces within
the cargo-tank area… 33
2.23 Pump and pipeline identification …. 33
CHAPTER III – SAFETY EQUIPMENT AND RELATED CONSIDERATIONS
A – Ventilation in cargo-handling spaces
3.1 Spaces normally entered during cargo-handling operations ……. 34
3.2 Spaces not normally entered ……… 35
Contents
iv
Page
B – Electrical requirements in respect of flammable cargoes
3.3 General……… 35
3.4 Installations in spaces containing cargo tanks or pipes …. 36
3.5 Installations in enclosed spaces immediately aft of,
forward of, or above the cargo-tank area .. 36
3.6 Installations on open decks . 36
3.7 Bonding …….. 37
3.8 Electrical requirements for individual substances .. 37
C – Gauging
3.9 General……… 37
3.10 Gauging for individual substances .. 38
D – Vapour detection
3.11 General……… 38
3.12 IMO IC772E, Requirements for individual substances….. 38
E – Fire protection
3.13 Fire safety arrangements…… 39
3.14 Fire-extinguishing arrangements for cargo-tank areas……. 40
3.15 Fire protection for ships built prior to 20 May 1980……. 42
F – Personnel protection
3.16 Requirements. 43
G – Tank filling
3.17 General……… 46
CHAPTER IV – SPECIAL REQUIREMENTS
4.1 Carbon disulphide …. 47
4.2 Diethyl ether.. 50
4.3 Sulphur (molten) …… 51
v
Contents
Page
4.4 IMO IC772E, Acetone cyanohydrin and lactonitrile solution
(80% or less) . 51
4.5 Phosphorus, yellow or white 52
4.6 Motor fuel anti-knock compounds (containing lead alkyls) …….. 53
4.7 Propylene oxide and mixtures of ethylene oxide/
propylene oxide with an ethylene oxide content of
not more than 30% by weight ……. 53
4.8 Acids .. 59
4.9 Toxic products ……… 60
4.10 Cargoes protected by additives…… 61
4.11 Cargoes which have a vapour pressure greater
than 1.033 kp/cm2 at 37.88C …….. 62
4.12 Materials of construction – deleted  62
4.13 IMO IC772E, Cargo pump-rooms .. 62
4.14 Overflow control (Alternative 1)….. 63
4.14 Overflow control (Alternative 2)….. 64
4.15 Cargo contamination  65
4.16 Samples taken from chemical cargoes …… 66
4.17 Respiratory and eye protection …… 66
4.18 Cargoes not to be exposed to excessive heat…… 66
4.19 Ammonium nitrate solution, 93% or less… 67
4.20 Hydrogen peroxide solutions ……… 68
4.21 Sodium chlorate solution, 50% or less …… 72
4.22 Alkyl (C7 – C9) nitrates, all isomers. 73
4.23 Temperature sensors. 73
CHAPTER V – OPERATIONAL REQUIREMENTS
5.1 Maximum allowable quantity of cargo per tank … 74
5.2 Cargo information …. 74
5.3 Personnel training….. 75
5.4 Tank entry ….. 75
5.5 IMO IC772E, Openings in cargo tanks ….. 76
5.6 Tank heating coil returns ….. 76
5.7 Additional operational requirements ……… 76
vi
Contents
Page
CHAPTER VA – ADDITIONAL MEASURES FOR THE PROTECTION
OF THE MARINE ENVIRONMENT
5A.1–5A.3 – deleted. 77
CHAPTER VI – SUMMARY OF MINIMUM REQUIREMENTS. . . . . . . . . . . . . . . . . . . . . 78
CHAPTER VII – LIST OF CHEMICALS TO WHICH THE CODE
DOES NOT APPLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
CHAPTER VIII – TRANSPORT OF LIQUID CHEMICAL WASTES
8.1 Preamble……. 82
8.2 Definitions ….. 82
8.3 Applicability … 82
8.4 Permitted shipments . 83
8.5 Documentation …….. 83
8.6 IMO IC772E, Classification of liquid chemical wastes ….. 83
8.7 Carriage and handling of liquid chemical wastes .. 83
APPENDIX
Model form of Certificate of Fitness for the Carriage
of Dangerous Chemicals in Bulk….. 84
Decisions of the MSC
IMO IC772E, Recommendation on uniform interpretation of the
application of 2.7.1 and 2.7.3 of the Bulk Chemical
Code to existing chemical tankers… 95
IMO IC772E, Guidelines for a uniform application of the
survival requirements of the Bulk Chemical Code
and the Gas Carrier Code…. 98
vii
Contents
Page
Calculation of the capacity of the foam systems
for chemical tankers .. 105
Resolution MSC.7(48) – Recommendation for
chemical tankers and gas carriers constructed
before 1 July 1986…. 108, IMO IC772E.

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