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DOCUMENT NO: 

DC10000901 

10001800

DOCUMENT PART NO: 

Rev

Date

Issued

Issued by Reviewed by Approved by

A

12.11.2015 Approved (ECO-0000834)

EBL

MM

MM

B

11.05.2016 Approved (ECO-0000949)

EBL

ØM

MM

C

26.10.2020 Approvec (ECO-0001932)

EBL

GL

GL

 

Teknologi for bærekraftig biologi

About AKVA group

AKVA group is present in all markets with offices in Norway, Chile, Denmark, Scotland, Spain, 
Greece, Iceland, Canada, Australia and Turkey. AKVA group is a unique partner with the capability to 
offer both pen farming and land based aquaculture operations with complete technical solutions and 

service.

By developing technology focused on solving the biological challenges, we contribute to the 
continued development of a sustainable industry. Good operational performance and fish welfare are 
paramount in achieving good results, and investing in our technology will help deliver both.

AKVA group ASA |  

www.akvagroup.com

Svanavågveien 30, N-4374 EIGERSUND

NORWAY

Technology for sustainable biology

Содержание SUBSEA FEEDER

Страница 1: ...USER MANUAL AKVA SUBSEA FEEDER Technology for sustainable technology Translation of original user manual REVISION C ...

Страница 2: ...lutions Please contact us through our websites with questions or suggestions for improvements This manual is written with the purpose of complying with the standard NEK EN 82079 1 Unless such responsibility has been agreed upon in a separate written contract with AKVA group we are not responsible for loss damage or incorrect use of equipment or software that arises as a result of errors in text or...

Страница 3: ... 2 2 TECHNICAL SPECIFICATIONS 8 3 STORAGE AND TRANSPORTATION 9 3 1 TRANSPORT TO AND FROM PEN 9 3 2 TOWING 10 4 INSTALLATION 11 4 1 PREPARATIONS 11 4 2 ASSEMBLY AND INSTALLATION GUIDE 12 4 3 ATTACHING TO PEN 13 4 4 INSTALLATION IN TUBENETTM 13 5 OPERATION 14 5 1 PARTICULAR ENVIRONMENTAL CONDITIONS 14 5 2 SHORT TERM EXTRAORDINARY LOADS 14 5 3 IDEAL AIR VELOCITY 14 6 MAINTENANCE 15 6 1 DISINFECTING E...

Страница 4: ...the product GO TO Symbol that indicates a link to a page or section with further information Click on underlined words to go to the reference or open the link PROTECTIVE GEAR REQUIREMENTS Warning symbol indicating required use of personal protective equipment WARNING Serious health risk or other serious incidents Safety sign that implies a danger that may cause death serious irreversible personnel...

Страница 5: ...on results that the cyclone falls into the net and causing damage and potential fish escaping Current impact m s Short Standard 0 00 0 0 0 0 0 07 0 4 0 4 0 14 1 5 1 4 0 21 3 3 3 1 0 28 5 9 5 5 0 35 9 2 8 7 0 42 13 4 12 7 0 49 19 6 18 8 0 56 26 8 25 4 Table 1 Estimated tilt in relation to current velocity 1 4 BAD WEATHER Check all equipment after a storm or other extreme weather event Make sure tha...

Страница 6: ... necessary when feeding with the AKVA Subsea Feeder When using an long feeder 13 meter feeding depth or deeper or using smolt feed we recommend creating a current in the water column in the main pipe This is achieved by using a pump to collect water from a deeper level and pumping it up into the distribution chamber where an ejector generates negative pressure in the main pipe Water from the same ...

Страница 7: ...orated ring that is heavily weighted approx 80 kg and designed to encircle and protect the branching pipes Branching pipes pipes leading from the distribution chamber to the feeding points at the sinker tube Cyclone aluminium component installed above the floating collar that releases air from the feeding system and guides the pellets down the main pipe Ejector component placed in the top part of ...

Страница 8: ...Filter The water inlet is fitted with a filter to maximise the hygiene level of the feed 2 2 TECHNICAL SPECIFICATIONS AKVA Subsea Feeder Short Standard Long Feeding depth m 4 7 13 20 Diameter sinker tube m 5 5 5 5 5 5 Number of branching pipes stk 12 12 12 Weight cyclone kg 63 63 63 Total weight feeder kg 520 569 666 780 Table 2 Tekniske spesifikasjoner for varianter av AKVA Subsea Feeder Illustra...

Страница 9: ... bottom must be upright on the ground as shown in illustration 3 Properly stored AKVA Subsea Feeder bottom part 3 1 TRANSPORT TO AND FROM PEN Provided that a crane that is long enough to lift the entire AKVA Subsea Feeder in a safe manner is available the AKVA Subsea Feeder may be loaded and unloaded using four lifting straps attached to the main pipe as shown in illustration 4 Lifting straps atta...

Страница 10: ...o tilt as a result of water resistance The risk is possible deformation resulting in it no longer being usable Towing the feeder for short distances such as from barge to pen is however possible provided the feeder is not exposed to forces greater than what it would normally be subjected to while moored in the pen Measure current direction and velocity and refer to Table 1 Estimated tilt in relati...

Страница 11: ...he feeder is supplied with the relevant equipment for installation Control wether the delivery note corresponds with the amounts and sizes of the materials supplied such as bolts hose clamps wrenches loading straps pump with hose hex wrench for hose clamps In rough weather waves and strong currents the AKVA Subsea Feeder must be moored at a 45 degree angle against the weather direction as shown in...

Страница 12: ...is attached to the unit cables shall be taped to the riser pipe and pump cable 5 Tie 4 loading straps around the main pipe and drape them over the floating collar 6 Follow up inspection before placing the AKVA Subsea Feeder in the cage Check the unit for surface cracks other potential damage and sharp edges Make sure all hoses and cables are properly attached taped to the unit main pipe Ensure the...

Страница 13: ... user manual for the relevant net Reinforcing the relevant section of the net will probably be required 4 4 INSTALLATION IN TUBENETTM When installing the AKVA Subsea Feeder in a Tubenet follow the installation procedure described in this user manual Personnel who will be installing the Tubenet shall review and familiarise themselves with the process before proceeding with the installation When ins...

Страница 14: ... direct loads in the unfortunate event that a feeding boat or wellboat hits pen or moorings Have some slack in the attachment rope to avoid extraordinary loads deforming the pen ring significantly and ultimately causing a heavy load on the AKVA Subsea Feeder main pipe 5 3 IDEAL AIR VELOCITY Feeding air velocity shall be low enough to avoid crushing pellets and high enough for the pellets to be tra...

Страница 15: ... the net and the consequent danger of escape AKVA Subsea Feeder may be lifted out of the net and cleaned with a high pressure cleaner When the feeder is out of the water check all components for damages Icing may occur during the winter season and all ice must be removed as this also affects weight and stability of the AKVA Subsea Feeder Both pump hose and the riser pipe have a strainer at the wat...

Страница 16: ...al inspection of strainers clean if necessary periods of high water temperature Visual inspection of zinc on pump and earthing Twice a year the AKVA Subsea Feeder is taken out of the sea Control straps and ropes and replace if required worn Control metal components for corrosion and wear Check bolt connections Check plastic welds for cracks visually Clean the entire feeder Clean the inside of the ...

Страница 17: ...der unit consists of PE and aluminum the cyclone which can be recycled entirety The pump used to power the main pipe shall be disposed of as electronic waste EE Sort and dispose of metal parts supply different types of metal for recycling Deliver electrical parts for recycling Deliver plastic for recycling RECYCLING Recycle equipment according to relevant regulations Recycle as much as possible ...

Страница 18: ...ubsea Feeder bottom part 9 Illustration 4 Lifting straps attached to main pipe for lifting 10 Illustration 5 Lifting the AKVA Subsea Feeder 10 Illustration 6 Mooring the AKVA Subsea Feeder 45 degrees against the weather direction 11 Illustration 7 AKVA Subsea Feeder is placed in the pen centre 12 Table 1 Estimated tilt in relation to current velocity 5 Table 2 Tekniske spesifikasjoner for variante...

Страница 19: ...1800 DC10000901 C REVISION NO APPENDIX A MAINTENANCE FORM Use one form per Subsea Feeder per month 4 weeks Grey box do not execute the task White box execute the task and sign after execution Fill in deviation form for any deviation discovered ...

Страница 20: ...land Canada Australia and Turkey AKVA group is a unique partner with the capability to offer both pen farming and land based aquaculture operations with complete technical solutions and service By developing technology focused on solving the biological challenges we contribute to the continued development of a sustainable industry Good operational performance and fish welfare are paramount in achi...

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