Manual_cages_KJ_2019

USER MANUAL FOR OFFSHORE FISH FARMING CAGES

1

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

INDEX 1. INTRODUCTION 1.1 Contacts at KJ 2. DEFINITIONS 3. HSE – HEALTH, ENVIRONMENT AND SAFETY 4. FISH FARMING CAGE – KEY ELEMENTS

4.1 Construction

4.2 Types of brackets

4.3 Labelling of cage

4.4 Net buoyancy of cage

4.5 Specification of cage 5. PREPARATION

5.1 On-site installation

5.2 Space requirements

5.3 Prerequisites

5.4 Inspection prior to putting in fish

5.5 Launching

5.6 Towing

5.7 Mooring installation

5.7.1 Mooring with the use of mooring brackets

5.8 Grid mooring

5.9 Attaching the net to the cage

5.10 Drying the net 6. ACCESSORIES

6.1 Tensioning systems

6.1.1 KJ sinker tube

6.1.2 Stretching with a sinker

6.1.3 Coned net with a sinker

6.2 KJ walkway

6.3 KJ bird poles and bird net support

6.3.1 Bird net poles

6.3.2 Bird net supports

6.4 Additional accessories 7. OPERATION

7.1 Mooring of boats

7.2 Lifting of cage

7.3 Cleaning

7.4 Safety precautions regarding docking and launching.

8. STORING

8.1 Storing at sea

8.2 Storing on land 9. UNWANTED INCIDENTS

9.1 Ruptures or damage to floating pipes

9.2 Ice and snow

2

10. RECYCLING 1 1. DISCLAIMER OF WARRANTY AND LIABILITY 12. INSPECTION AND MAINTENANCE

12.1 Methods of inspection

12.2 Criteria for insufficient quality of the cage

12.2.1 Abrasion tolerance of brackets, chains and shackles

12.2.2 Tolerance threshold for plastic pipes

12.2.3 Bending limit for brackets

12.3 Operationally based inspection and maintenance of cage 13. ANNUAL CONTROL

Appendix 1: Log chart for inspection and maintenance, monthly

Appendix 2: Log chart for inspection and maintenance, every 3 months

Appendix 3: Log chart for inspection and maintenance, annually

Appendix 4: Log chart for registered annual control

Appendix 5: Repair form/Deviation report

Appendix 6: Event log for cages

Appendix 7: Risk assessment

(Updated 16.10.2017) Certified by KJ User manual for offshore fish farming cages KJ offshore fish farming cage Certification no. KJ Noomas no. xxxx

3

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

1. INTRODUCTION Since 1990, KJ has been a trusted manufacturer of cages for the fish farming industry in the Faroe Islands and internationally.

KJ cages are designed and manufactured in accordance with the NS 9415 standard.

This user manual contains essential information about how KJ cages and components should be transported, handled, installed, inspected and maintained in order to get the most out of each component.

Charts for inspection, control and reporting of deviations and repairs are found at the back of this user manual.

Contact KJ for service and spare parts ordering.

Not much prior technical knowledge is required to read the manual. However, we are of course pleased to help if something needs to be clarified.

CONTACTS AT KJ Switchboard: +298 407000 (available 24/7) Jóannes Mørkøre, sales representative: +298 588824. jm@kj.fo Eyðun Ryggshamar, technical manager: +298 588812. eyr@kj.fo Viggo Johannesen, sales manager: +298 588828. viggo@kj.fo

2. DEFINITIONS The NS 9415 standard contains all relevant definitions.

KJ cage type

3x315

2x450

2x500

3x500

Recommended 60-120m sizes

2x315

60-130m

100-160m 120-160m

130-200m

130-240m

Distance bar

2 to 2,5m

2 to 2,5m

2 to 2,5m

2 to 2,5m

2 to 2,5m

3x450

2 to 2,5m

Handrail pipe 110mm 140mm 140mm 140mm 140mm 140mm Sinkertube

250mm

SDR

11-17 11-17 11-17 11-26 11-17 11-26

250mm

Floating capacity

100-150 kg/m

150-200 kg/m

Table 1.

KJ model/design

Circumference of cage Spacing bar

Handrail pipe Sinker tube SDR Buoyancy

4

315/400mm 315/400mm 315/450mm 400/500mm 250-300 kg/m

300-350 kg/m

300-350 kg/m

350-450 kg/m

5

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

3. HSE – HEALTH, SAFETY AND ENVIRONMENT All work on cages must be registered and is subject to risk assessment. The necessary safety measures must be implemented, including:

• The possibility of self-rescue when falling into the sea.

• Risk of falling off the walkway.

• That the cage, including walkways and handrails, is ergonomically designed.

• Access for boats.

• Routines and requirements regarding inspection and maintenance.

• Work procedures when using cranes.

4. CAGES – MAIN PRINCIPLES 4.1. CONSTRUCTION

The construction of the cage:

• The cage has double or triple floating pipes and handrail pipes in polyethylene plastic.

• All-welded galvanised steel brackets are fixed to the floating pipes.

• The brackets are anchored horizontally with a spacing (load-bearing) system – see image 1.

The steel brackets in this system are secured with steel bars which absorb the loads around the circumference of the cage.

• Extreme loads from the mooring system are absorbed by customised mooring brackets and transferred across the entire cage.

• The steel brackets prevent ovalisation of the floating pipes, thus retaining flexibility and preventing the pipes from breaking.

• Installing a net at the bottom of the handrail pole ensures an even load distribution across the entire cage.

• Plastic bushings between the steel brackets and the floating pipes reduce friction, allowing the floating pipes to move freely in the brackets.

• If a sinker tube is used, it must be secured with an attachment which is bolted or welded onto the bracket.

• The floating pipes are filled with polystyrene, which helps maintain buoyancy in case of damage or puncture.

6

ID MARKING Material and identification All KJ cages are manufactured in galvanised steel brackets and HDPE (Polyethylene) pipes See drawing for identification of cage and pipes.

(Material, dimension, manufacturer)

7

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

Image 1: Load distribution across the entire circumference.

8

4.2. TYPES OF BRACKET

Image 2: Types of bracket used with KJ cages.

Standard bracket Bird net bracket Mooring bracket Attachment for sinker tube

4.3. LABELLING OF CAGES Each main component has its own traceable serial number which identifies the product. The assembled cage is fitted with a unique label.

If the label needs to be replaced, the new one must be set up in the exact same place as the replaced label.

The label can also function as a point of reference for orientation of the cage. For example, the label can be set as the zero point, and the brackets can then be counted clockwise in relation to the label.

The label must be permanently fixed, with the following information readable at all times:

1. Type number/Product 2. Manufacturer

3. Certified in accordance with the NS 9415 standard

4. Max. allowed significant wave height

5. Max. sea current (V_c) 6. Buoyancy

7. Proportional life expectancy

8. Date of completion

9. Project number 10. Serial number

9

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

4.4. NET BUOYANCY OF THE CAGE Below is a description of procedures regarding net buoyancy of cages without additional components such as a sinker tube.

The buoyancy is calculated according to this formula:

4.5. SPECIFICATION OF CAGES Type Circumference * Diameter * Surface area Floating pipes Handrail pipes Styrofoam (in all floating pipes) Steel mooring brackets Plastic bushings * Circumferences and diameters are measured on the inside of the inner floating pipe

10

5. PREPARATION 5.1. ON-SITE ASSEMBLY When cages are installed at a site where the client is responsible for the assembly site and its facilities, the equipment will be delivered to the assembly site prior to the start of the assembly. The client is responsible for looking after the equipment throughout the assembly period.

5.2. SPACE REQUIREMENTS Requirements for space and total weight vary according to the selected option. Details will be supplied before the installation begins. It is important to allow sufficient space for a lorry to turn and for loading and unloading of the lorry.

Space requirements:

• [(Cage diameter) m x 2]²

5.3. PREREQUISITES

• The client must ensure that the cage, including all delivered equipment, is in accordance with the contract and that no components are damaged.

• If the installation includes a sinker tube, this will be delivered together with the cage.

5.4. INSPECTION PRIOR TO PUTTING IN FISH It is important to thoroughly inspect the cage, moorings, nets, etc. before fish is released into the cage.

All components must be inspected for damage. Any damage detected should be reported via a digital photo of the damage. KJ will then, in consultation with the client, suggest action steps for solving the problems.

5.5. LAUNCHING The cage will be launched by KJ. The client may be responsible for supplying the required lifting equipment such as cranes, lifts and forklifts for the launch. All required equipment will be listed in the final agreement between the client and KJ. If clients wish to launch the cage themselves, they must follow highly detailed instructions from KJ, and launching is only permitted by written approval from KJ.

11

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

5.6. TOWING

• Check whether a permit is required for the towing of cages.

• Cages are towed without a net.

• The cage is attached to the towing rope with a crowfoot, with a distance of approx. 20 metres.

Attach the crowfoot to the mooring bracket on the cage. We recommend using 3 ropes for the front cage and at least 2 for the remaining cages.

• When towing multiple cages, the tow rope should go from a crowfoot on the front cage to a crowfoot on the rear cage.

• During towing, the towing rope must run freely between the cages. This is best achieved by passing the rope through rings attached to each of the brackets.

• To reduce the impact of the wake, the towing rope from the towboat to the first cage should have a minimum length of 150m.

• As a security precaution in case of damage to the towing rope or the crowfeet, we recommend securing the towing rope with a slack rope on each side, aligned parallel to the main towing rope.

Image 4: Recommended towing arrangement.

To prevent ovalisation of the cage, a rope should be attached in the towing direction between the floating pipes.

• All ropes should be secured with a double knot.

• If a sinker tube is mounted to the cage, the sinker tube can be secured on top of the cage during towing.

12

• If towing with the sinker tube suspended from the cage, make sure that the sinker tube attachments, cage and/or sinker tube are not exposed to friction or other damage.

• The relative towing speed must not exceed 3 knots.

• During towing of cages with a net, the speed must be adjusted so that waves and currents do not exceed the maximum allowed significant wave height and current for cages.

• After towing has been completed, the cage should be inspected for possible damage.

There is a separate procedure for towing of cages using a control form.

5.7. MOORING INSTALLATION

• The mooring system must be dimensioned for the same allowed significant wave height and current, or higher.

5.7.1. MOORING WITH THE USE OF MOORING BRACKETS

The crowfoot should be drawn up through the mooring hole on the mooring bracket. The mooring bracket is used in the following way:

• Allowed chain and shackle dimensions must correspond with the breaking strength of 16mm or 19mm galvanised alloy chains.

• The chain from the crowfoot is pulled up and secured with a shackle or a combination of shackle and mooring plate, as shown in image 5.

Image 5: An example of an installation in a mooring system with mooring brackets. The chain can be secured with a mooring plate and a shackle.)

• If the crowfoot is composed of other chain dimensions or if it consists of rope, the

crowfoot should be extended by at least 3 metres of chain of the corresponding strength.

13

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

5.8. GRID MOORING The crowfoot from the mooring system is attached to the mooring brackets on the cage.

All crowfeet must be of the same rope and chain dimensions.

The cages should, whenever possible, be positioned centrally in relation to the frame.

Tensioning: The mooring frame must be constructed in such a way that the tensioning forces are distributed across the grid system, and not out to the crowfeet.

Image 6: The tensioning forces should be distributed across the grid system, and not out to the crowfeet.

14

5.9. ATTACHING A NET TO THE CAGE The net must be adapted to the cage. Installation of the net must be carried out in accordance with specifications from the net manufacturer.

The attachment points on the cage are at the bottom of the handrail supports.

•

If the net fixings have not been adapted to the brackets on the cage, the net can be attached to the floating pipes in between the brackets. This can also be done by passing the rope over the inner floating pipe and then tying it into a knot between the floating pipes. Tie the knot between the inner floating pipes if 3 are being used.

• When using a sinker tube, all net fixings must be attached to the cage prior to submerging the sinker tube.

• Attach the jumping net to the lug on top of the bracket.

Image 7: Attaching the net to the cage.

5.10. DRYING THE NET To prevent excessive loads on the handrail during drying, no more than 5m of netting should be raised for each sinker tube attachment per round.

The net should not be dried if there is a risk of icing.

15

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

6. ACCESSORIES 6.1. TENSIONING SYSTEMS

6.1.1. KJ SINKER TUBE KJ cages are also available with a KJ sinker tube system for stretching the net. KJ has substantial experience of manufacturing and servicing sinker tubes. A sinker tube helps prevent the shape, and thus the net volume, from changing significantly in locations subject to strong currents.

Image 8: KJ cage with sinker tube.

16

KJ cages are designed for easy installation of sinker tube brackets. To allow air to escape, drill holes around the sinker tube with a 10mm drill on top and a 15mm drill on the bottom. This should ideally be done after the cage has been installed in the mooring system.

• When installing the sinker tube, make sure that the weight of the tube is distributed evenly across the brackets.

• Take extra care during lowering and raising of the sinker tube. This should be carried out in small steps to prevent excessive loads on the brackets.

• The cage should not be towed with the sinker tube in place unless the sinker tube is raised to within 1m of the floating pipe and attached to the outer floating pipe, as this reduces the load on the brackets.

• We recommend using Dyneema rope rather than chains to hold the sinker tube. Chains may come into contact with the net and thus increase the risk of escape.

6.1.2. STRETCHING WITH A SINKER When using a sinker to stretch the net, the total weight of all the sinkers must not exceed the max. permitted total weight that can be suspended from the cage. The sinkers must be distributed evenly across the cage.

6.1.3. CONED NET WITH SINGLE SINKER The sinker is an integrated part of the net. To ensure correct usage, examine any conditions specified by the net manufacturer for the use of sinkers. The net is a main component, and must be certified in accordance with the NS 9415 standard. The use of accessories is described in the user manual for nets.

6.2. KJ WALKWAYS A good walkway provides the safest and best working environment in all types of weather conditions.

Walkways also increase efficiency, as they make it simpler and faster to carry out work tasks.

KJ walkways:

• Are attached without affecting cage flexibility.

• Are extremely slip-proof.

17

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

Image 9: KJ walkway

The walkway must not be used for storing sinkers and other equipment.

6.3. BIRD NET POLES AND SUPPORTS

6.3.1. BIRD NET POLES If poles are required to support the bird net, these must be attached to the cage in a way that does not place weight on the cage and the handrail. KJ manufactures a bracket which can be used for securing the bird net pole. The pole can either be down through the handrail support or by using a specially designed bird net bracket, which is mounted on the bracket. Make sure that the bird net pole is secured in such a way that the workers on the cage are safe at all times.

18

Image 10: KJ bracket for securing the bird net pole.

6.3.2. BIRD NET SUPPORTS The bird net should be supported in the middle of the cage by a floating bird net support, which must be attached evenly to the handrail across the entire circumference of the cage.

• Bird net support brackets should be secured to the inner floating pipe in at least 4 places.

• The bird net can be attached to the lug on top of the handrail support, or on the handrail pipe, provided that it does not apply weight on the handrail.

19

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

Image 11: KJ birdnet support.

6.4. ADDITIONAL ACCESSORIES KJ must be contacted prior to any installation of accessories that may affect the characteristics of the cage with regards to movement, buoyancy, load, damage, etc.

Equipment installed after permission has been granted by KJ must be installed in a responsible manner.

The main components of the cage must not be modified for the installation of accessories.

To prevent galvanised corrosion, electrical equipment that is attached to the cage must be well isolated from any steel components.

Zink anodes can be used to extend the lifespan of the steel components on the cage. The anodes can be replaced, if required.

20

7. OPERATION 7. 1 . MOORING OF BOATS Service boats must be moored in such a way that the risk of damage to the net, mooring system and cage is minimised. This also applies to temporary mooring during work assignments.

Boats should be moored to a cross arm brace. Do not moor to handrail pipes and handrail supports.

Image 12: mooring to the cage.

Take extra care if larger boats/ships are moored to the cage, so that they do not damage the cage.

Feeding floats must not be moored to the cage.

Table 2: Max. permitted applied load from mooring boats: Floating pipes

Max. permitted load from mooring boats [tonnes]

315 6.7 400 6.7 450 7.7 500 7.7 630 9.7 Dimension of floating pipe – Max. permitted load from mooring boats [tonnes])

21

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

7.2. LIFTING OF CAGES For lifting, we recommend using 2 wide lifting slings separated by a minimum of 3m, leaving at least 2 brackets between the lifting points. The slings should be passed below all floating pipes but not below the sinker tube. Operational angle (the angle between the sling and a vertical line): β < 30°. The maximum lifting height from the sea surface is 3m.

Pipes

Wideness of lifting slings [mm]

315

80

400

100

450

110

500

120

630

150

7.3. CLEANING The cage and the sinker tube (if applicable) are normally cleaned after every cycle. Specially designed cleaning equipment is recommended for the removal of marine fouling. If a crane is used, ensure that the cage is properly secured to the lifting slings or the washing frame on the service boat, and that nobody is standing below the suspended load.

If using disinfectants and other chemicals, make sure that the substances will not harm any components of the cage.

7.4. SAFETY PRECAUTIONS REGARDING DOCKING AND LAUNCHING Space requirements: The area must have sufficient space for vehicles to move freely.

For launching, cranes and other lifting equipment can be used – see chapter 7.2. Lifting an entire cage requires a large crane, and for cages with a circumference of 90m or more the use of a crane is not recommended. The most common method for large cages is a combination of lifting and pulling power.

To make it easier to get the boat ashore, the cage can be ovalised by stretching a rope diagonally across the cage. Ensure that the floating pipes are not bent to the breaking point. (Max. permitted diameter increase during handling: 15%).

No equipment should be placed on the floating pipes. Make sure that the ground surface and sharp edges from the machinery do not damage the floating pipes.

22

8. STORING The cage must be stored in a responsible manner.

8. 1 . STORING AT SEA When storing in the sea, the cage must be moored in a secure manner and marked for naval traffic.

8.2. STORING ON LAND When storing on land, the ground surface must be level to avoid point loads on the floating pipes.

9. UNWANTED INCIDENTS 9.1. DAMAGED FLOATING PIPES The system is designed in such a way that if the floating pipes are damaged, the cage will maintain its shape. This will prevent total collapse. The brackets are anchored horizontally with a spacing (loadbearing) system, which holds the structure together.

KJ floating pipes are filled with polystyrene rods, which help maintain the buoyancy in case of damage or puncture. If both, or all 3, floating pipes are punctured, the net buoyancy will decrease in accordance with table 4:

(Table 4: Reduction of net buoyancy if all floating pipes are punctured Dimension of floating pipe [mm] â&#x20AC;&#x201C; Reduction of net buoyancy if both, or all 3, floating pipes are punctured.)

Floating pipes [mm]

Reduction of net buoyancy if floating pipes are punctured

315

Approx. 9%

400

Approx. 4%

450

Approx. 28%

500

Approx. 39%

630

Approx. 50%

23

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

9.2. ICE AND SNOW Ice and snow can apply considerable loads to the construction. This impact is predominantly associated with a loss of buoyancy. Ice and snow should ideally be removed with a rubber or wooden mallet. Ropes for attaching a jumping net to the cage should have a low breaking strength. If large amounts of ice fall onto the jumping net, the ropes will break, the jumping net will fall into the sea and the ice will melt.

In locations where ice and drift ice may occur, the fish farmer must have contingency plans for the removal of ice.

10. RECYCLING All components of the cage can be recycled and can be delivered to any approved recycling station.

1 1. DISCLAIMER OF WARRANTY AND LIABILITY KJ cages are constructed and certified according to NS 9415. The individual components of the cage are manufactured according to the relevant international standards.

Our main components have a warranty of at least 2 years. However, this warranty is valid only if the cage and its components have been operated in full accordance with this user manual. Any deviations must be reported in writing to KJ immediately. In addition, the maintenance and inspection log charts at the end of this manual must be completed as documentation.

KJ will then, in cooperation with the client, evaluate what action steps the client must take to correct the situation. This includes an evaluation of whether the cage should be taken out of operation, whether any of the parts need to be replaced or whether the cage can be used until the end of the cycle.

See www.kj.fo/XXXX for further details about sales and delivery terms and conditions.

24

12. INSPECTION AND MAINTENANCE The identification label on the cage can be used as a point of reference when determining which parts of the cage require inspection and maintenance. For example, the label can be set as the zero point, and then the brackets can be counted clockwise in relation to the label.

1 2.1. METHODS OF INSPECTION GVI = General Visual Inspection: A visual examination to detect obvious damage, failure or

irregularity at a distance from the object. This can be carried out using a ROV or a diver

with a regular camera.

CVI = Close Visual Inspection: A close-up camera or a detection tool (e.g. ultrasound) is used to

detect damage, failure or irregularities on the surface of the object.

DC = Dimensional Control: Detection tools are used for controlling/measuring dimensions.

MR = Modification/Replacement.

1 2.2. CRITERIA FOR INSUFFICIENT QUALITY OF THE CAGE Sections 12.2.1 - 12.2.3 outline the tolerance thresholds for the various components of the cage. If these thresholds are exceeded, the cage is of insufficient quality, and KJ must be contacted for an overall inspection of the system.

1 2.2.1. ABRASION TOLERANCE OF BRACKETS, CHAINS, BOLTS AND SHACKLES Abrasion tolerance of brackets, chains, bolts and shackles: ≤ 15% of the original material diameter, measured over 2 diameters (D1 and D2), displaced at least 90° in relation to each other – i.e. the remaining diameter must be at least 85% of the nominal

diameter Dn.

1 2.2.2. TOLERANCE THRESHOLD FOR PLASTIC PIPES Abrasion tolerance of plastic pipes: ≤ 20% of the material thickness.

Any major damage must be assessed by KJ. Cracks in pipes are not tolerated.

1 2.2.3. BENDING TOLERANCE OF BRACKETS A ≤ 10% bending angle of the length of the brackets is tolerated – i.e. if the length of the bracket is 1.6m, a bending angle of ≤ 16cm is tolerated. If the brackets come into contact with the floating pipes, the brackets must be repaired or replaced.

25

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

1 2.3. OPERATIONALLY-BASED INSPECTION AND MAINTENANCE OF CAGE

Area/component

What is being checked?

Method (GVI/CVI/ DC/MR)

Description of inspection

Specification

Floating pipes

Possible defects/ damage

GVI

Check floating pipes for cuts, cracks and ruptures

All floating pipes

Mooring brackets

Integrity of brackets

GVI/CVI

Check mooring brackets for defects and abrasion

All mooring brackets

Steel brackets

Integrity of brackets

GVI/CVI

Check brackets with plastic bushings for defects

All brackets

Handrail pipes /supports

Possible defects/ damage

GVI/CVI

Check handrail pipes and supports for defects and abrasion

All handrail pipes and supports

Spacing system, nut/bolt connections and chains

Integrity of the spacing system

GVI/CVI

Ensure that nut/bolt connections and chains in the spacing system are intact

All nuts/ bolt,chains andbars in the spacing system

Monthly

Every 3 months

Annually

GVI = General Visual Inspection CVI = Close Visual Inspection DC = Dimensional Control MR =Modification/Replacement

* Re-stretch the spacing system after 3 monthsâ&#x20AC;&#x2122; use and during the annual control, if necessary.

The person in charge of inspection and maintenance must have completed the companyâ&#x20AC;&#x2122;s internal training programme, and must be familiar with the product and the relevant user manual.

At least a monthly inspection is required before and after periods with extreme weather conditions.

26

1 3. ANNUAL CONTROL

Area/component

Method (GVI/CVI/DC/ MR)

Description of inspection

Type of defect 1

Identification

GVI

Ensure that the cage is fitted with a label and that it corresponds to the number printed on the middle mooring bracket. If the number is unreadable, the number must be reprinted.

Mooring brackets

GVI/CVI

Check for cracks, corrosion and abrasion.

Bolts/nuts and spacing system

GVI/CVI/DC/MR

Spot check 4 bolts crosswise: Dismantle and inspect for corrosion and gnawing.

Ensure that all nuts are properly tightened.

Check for wear and tolerance for wear.

Plastic bushings on brackets

GVI/CVI

Check for abrasion and friction. Brackets must not come into contact with the floating pipes.

Steel Brackets

GVI/CVI

Check brackets for abrasion and defects (bending). Check for abrasion, plus abrasion and bending tolerance.

Sinker tube

GVI/CVI

Ensure that the correct attachments, ropes, nuts, bolts and security shackles are being used.

Spare parts

GVI/CVI

Check and fasten bolts on spare parts.

Walkways

GVI

Ensure that walkways are intact and correctly installed.

Handrail pipes

GVI

Ensure that handrail pipes are intact.

GVI = General Visual Inspection CVI = Close Visual Inspection DC = Dimensional Control MR = Modification/ Replacement

2

Comments 3

0 = No comment 1 = Should be replaced within 12-18 months 2 = Must be repaired immediately

27

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

APPENDIX 1: LOG CHART FOR INSPECTION AND MAINTENANCE, MONTHLY Log chart for inspection and maintenance, monthly Name

Name Name

Name

Area/component

What is being checked?

Method (GVI/CVI/ DC/MR)

Description of inspection

Specification

Floating pipes

Possible defects/ damage

GVI

Check floating pipes for cuts, cracks and ruptures

All floating pipes

Mooring brackets

Integrity of brackets

GVI

Check mooring brackets for bends and ruptures

All mooring brackets

Sinker tube

Possible defects/ damage

GVI/CVI

Ensure that the correct attachments, ropes, nuts, bolts and safety shackles are being used

All connections.

Brackets/chains/ nuts/bolts

Integrity of the spacing system

GVI/MR

Ensure that brackets/chains/ nuts/bolts in the spacing system are properly tightened and free of defects or ruptures

All brackets/chains/ nuts and bolts

SIGN. YEAR January

February

March

April May June July

August September

October

November

December

User manual form Each inspection month is signed with an ‘OK’ and the inspector’s initials. In case of deviations, refer to the number on the repair note/deviation report. The deviation must be entered in the incident log.

The person in charge of inspection and maintenance must have completed the company’s internal training programme, and must be familiar with the product and the relevant user manual.

28

APPENDIX 2: LOG CHART FOR INSPECTION AND MAINTENANCE, EVERY 3 MONTHS Log chart for inspection and maintenance, every 3 months Name

Name Name

Name

Area/component

What is being checked?

Method (GVI/CVI/ DC/MR)

Description of inspection

Specification

Brackets/chains/ nuts and bolts

Integrity of the spacing system

GVI/MR

Re-stretch chains, nuts and bolts in the spacing system after 3 months’ use and during the annual control.

This can be done by fixing a chain tackle to the chain in the spacing system

Check the entire spacing system

SIGN. YEAR January

February

March

April May June July

August September

October

November

December

APPENDIX 3: LOG CHART FOR INSPECTION AND MAINTENANCE, ANNUALLY Log chart – inspection and maintenance, annually Name

Name Name

Name

Area/component

What is being checked?

Method (GVI/CVI/ DC/MR)

Description of inspection

Specification

Mooring brackets

Integrity to brackets

GVI/CVI

Check mooring brackets and plastic bushings for bends and ruptures

All mooring brackets

Steel brackets

Integrity of brackets

GVI/CVI

Check brackets with plastic bushings for defects/cracks

All brackets

Handrail pipes/ supports

Possible defects/ damage

GVI/CVI

Check for ruptures and abrasion in handrail pipes and supports

All handrail pipes and supports

Nut and bolt connections

Possible defects/ damage

GVI/CVI

Ensure that nuts and bolts in the spacing system are intact

All nuts and bolts

29

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

User manual form Each inspection month is signed with an ‘OK’ and the inspector’s initials. In case of deviations, refer to the number on the repair note/deviation report. The deviation must be entered in the incident log.

The person in charge of inspection and maintenance must have completed the company’s internal training programme, and must be familiar with the product and the relevant user manual.

Date and signature, client

30

APPENDIX 4: LOG CHART FOR REGISTERED ANNUAL CONTROL Log chart for registered annual control Name Area/component

Method (GVI/ CVI/DC/MR)

Type

Production Number

Year of purchase

Description of inspection

Type of defect

Comments

1 Identification

GVI

Ensure that the cage is fitted with a label and that the number corresponds with the number printed in the middle mooring bracket. If the printed number is not legible, the number must be reprinted

Mooring brackets

GVI/CVI

Check for cracks, corrosion and abrasion.

Sinker tube attachments

GVI/CVI

Check for defects, cracks and abrasion, plus tolerance for abrasion in accordance with the current service manual.

Steel brackets

GVI/CVI

Check for abrasion and defects (bending).

Check for abrasion and tolerance for abrasion in accordance with the current service manual.

Nut and bolt connections

GVI/CVI/ DC/MR

Spot check 4 bolts diagonally: Dismantle and check for corrosion and friction. Ensure that all nuts are properly tightened. Check for abrasion and tolerance for abrasion in accordance with the current service manual.

Plastic bushings on brackets

GVI/CVI

Check for abrasion and friction. Brackets must not come into contact with the floating pipes.

Damage to floating pipes

GVI/CVI

Ensure that the floating pipes have not been damaged as a result of friction or other mechanical stresses. Check for abrasion and tolerance for abrasion in accordance with the current service manual.

Sinker tube attachments

GVI/CVI

Ensure that the correct chains, slings and safety shackles are being used.

Walkways

GVI

Ensure that walkways are intact and correctly installed.

Handrails

GVI

Ensure that handrail pipes are intact.

GVI = General Visual Inspection CVI = Close Visual Inspection DC = Dimensional Control MR = Modification/ Replacement

2

3

0 = No comment 1 = Should be replaced within 12-18 months 2 = Must be repaired immediately

Comments:

Cage is approved

Cage is not approved

Approval label fitted

Date/signature â&#x20AC;&#x201C; client representative Date/signature â&#x20AC;&#x201C; serviceman

31

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

APPENDIX 5: REPAIR FORM/DEVIATION REPORT Number.

Name

Type

Production number

Year of purchase

Description of defect/recommended maintenance action

Recommend suggested action steps, if possible

Date/signature â&#x20AC;&#x201C; client representative

Repairs Describe the work carried out and associated costs (time spent + parts used).

Was the repair work successful? New action steps on repair note (number)

Date and signature, repairer

32

APPENDIX 6: EVENT LOG FOR CAGES Number

Name Type Production number

Year of purchase

Date

Signature

Description of incident/deviation

Repair note

33

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

APPENDIX 7: RISK ASSESSMENT Risk assessment for cages Nr. Unit/ component

Unwanted incident

Cause

Probability

Consequence

1

Floating pipes

Ruptures in floating pipes

Collision impact from boat

2

At least once every 10 years

1

Fewer escapees, 1 to 100 fish

13%

Annually

2

Floating pipes

cracks in floating pipes

Overloading or collision impact from boat

2

At least once every 10 years

1

Fewer escapees, 1 to 100 fish

13%

Annually

3

Floating pipes

Cuts in floating pipes

Collision impact from boat

3

At least once every year

38%

Monthly

4

Mooring brackets

Cuts/ cracks in mooring brackets

Overloading or applied damage

2

At least once every 10 years

1

Fewer escapees, 1 to 100 fish

13%

Annually

5

Brackets

Ruptures in handrail supports

Overloading or applied damage

2

At least once every 10 years

1

Fewer escapees, 1 to 100 fish

13%

Annually

6

Sinker tube attachments, chains and ropes

Defects

Overloading or applied damage

4

Once per month

1

Fewer escapees, 1 to 100 fish

25%

Monthly

7

Nut and bolt connections

Defects

Overloading or applied damage

2

At least once every 10 years

1

Fewer escapees, 1 to 100 fish

13%

Annually

8

Nut and bolt connections

Ruptures

Overloading or applied damage

1

Once every 100 years, or less

3

10,000150,000 fish

19%

Annually

9

Floating pipes

Loss of buoyancy

Icing

2

At least once every 10 years

1

Fewer escapees, 1 to 100 fish

13%

Annually

100-1,000 fish

The person in charge of inspection and maintenance must have at least 2 yearsâ&#x20AC;&#x2122; experience of working on a floating fish farm.

There should be at least a monthly inspection before and after periods with extreme weather conditions.

The cage must not be used for longer than 24 months before a new annual control is carried out. We recommend doing this shortly before the cage is being put into use.

34

Inspection and maintenance Risk

3-2

4-1

Exposure

Action steps taken

Inspection/ maintenance

Low risk (no action required) Medium risk (consider action) High risk (unacceptable)

35

USER MANUAL

FOR OFFSHORE FISH FARMING CAGES

NORÐOYAR

KJ, Kambsdalur . Workshop . Sales . Storage

EYSTUROY STREYMOY MYKINES VÁGAR

NÓLSOY KOLTUR HESTUR

KJ, Tórshavn . Workshop . Sales . Storage

SANDOY

SKÚVOY

STÓRA DÍMUN LÍTLA DÍMUN

KREA

SUÐUROY

36

P.O.Box 110

Tel +298 40 70 00

FO-530 Kambsdalur

info@kj.fo

Faroe Islands

www.kj.fo