Accessory holder
Manuals
Accessory holder

Table of Contents
Explanation of symbols
Important information is marked with the following symbols:

1 Summary with an overview of the component and key points related to escape prevention
1.1 General definitions
| Aquaculture farm | Installation for the farming of fish. |
| Basin dimensions | The pen’s inner circumference. |
| Design working life | Assumed period for which a structure or part of it is to be used for its intended purpose with anticipated maintenance but without major repair being necessary. |
| Operation | Fish farming at site, including all installation and operation activities performed at the site while fish farming is in progress, and that are of relevance to the escape prevention of fish. |
| Accessories | Equipment that is not a main component. |
| Inspection | Systematic inspection/examination, usually visual, to ensure that the equipment satisfies the requirements. |
| Pen | Structure whose main function is to provide an enclosurewith buoyancy and/or stiffness. |
| Anchoring system | System of lines and bottom attachments with the main function of keeping the aquaculture farm or raft in position. |
| Bridles | Anchoring line between the pen and the anchoring system. |
| Main component | Part of an aquaculture farm that holds one or more of the installation’s load bearing main functions. Example: Pen, anchoring system, raft and enclosure. |
| Enclosure | Net or other system of load bearing parts that form a barrier between the farming volume in a production unit and the surrounding water volume. |
| Bracket | Component keeping the inner and outer floating collar pipes together. |
| Weight | Weight or other device attached to the net to achieve the intended shape. Centre weight is attached beneath the bottom centre of the net-cone. |
| Cage | Pen with enclosure. |
| NS9415:2021 | Standard which sets out functional requirements for floating aquaculture farms and will be fundamental for stakeholders in the aquaculture industry, such as authorities, supervisory bodies, designers, suppliers, actors within R&D and manufacturers, as well as aquaculture farm owners. |
| NYTEK23 regulation | Governing Regulation for Fish Farming in Norway. |
| Circumference | Inner length of the inner floating collar. |
| Product certificate | Document confirming that the net is produced in accordance with requirements in NYTEK23 and NS9415:2021. |
| Suspension system | Weight, sinker tube or similar used to keep the three-dimensional shape of the net. |
1.2 Introduction
This user manual provides a description of the ScaleAQ accessory holder for use on ScaleAQ floating collars and guidance for safe use. The holder is used for safe mounting of accessories and has modular brackets designed to fit ScaleAQ floating collars with both steel brackets and plastic brackets with dimensions FR(PL)400, 450, 500, 560 and 630.
The accessory holder allows the fish farmer to use all accessory modules in one and the same holder. Contact ScaleAQ for descriptions of the module types offered. Figures 1.1 and 1.2 show the accessory holder fitted with steel brackets and plastic brackets respectively.


2 Description of the accessory holder and its components
Item numbers for the modules used for the accessory holder with steel brackets (FR) and plastic brackets (FRPL) are listed in Table 2.
| Dimension pen | Item number for modules on steel brackets | Item number for modules on plastic brackets |
| FR(PL)400 | Contact ScaleAQ | Contact ScaleAQ |
| FR(PL)450 | 302595 | 504217 |
| FR(PL)500 | 302595 | 303489 |
| FR(PL)560 | 302595 | 303583 |
| FR630 | 302824 |
3 Interaction with other components
The different variants of accessory holders are designed for mounting on ScaleAQ steel brackets and plastic brackets on the pen dimensions given in Table 2. Information about permitted torque in the handrail post is available in the specific pen certificate. In the event of any lateral load from the accessory to be used, ScaleAQ must be contacted for approval before installation.
4 Assembly of the unit
Attach the accessory holder to the pen’s bracket post using the supplied screws, washers, nuts and U-shaped mounting brackets. Remove any loose hooks on the post and reattach with the longer bolts supplied.
4.1 Assembly on steel brackets
The accessory holder that is mounted to steel brackets has the same mounting equipment for FR450-560 and a separate for FR630. The upper part of the holder is secured with a plate and the lower part with a U-shaped mounting bracket, see Figures 4.1 and 4.2.


The internal and external dimensions of the accessory holder are shown in Figures 4.3 and 4.4.


4.2 Assembly on plastic brackets
Accessory holder on plastic brackets consists of:
- Upper and lower brackets that are assembled around the bracket post
- Clamping plate that is attached under the top plate of the plastic bracket
The brackets and clamp plate are attached using the bolts, washers and nuts supplied for the specific item number of the pen dimension, see Figure 4.5. To attach the accessory holder to the top plate of the plastic bracket, 4 holes must be drilled for the supplied bolts.


5 Installation on site
The accessory holder is installed on steel brackets or plastic brackets with the supplied attachment material as shown in chapter 4.
6 Use
All ScaleAQ accessory modules can be attached to this accessory holder.
7 Inspection and maintenance
Anyone carrying out inspection and maintenance must have undergone the company’s internal training and familiarised themselves with the product’s user manual.
7.1 Inspection before using the accessory holder
Check that the accessory holder is free from damage/cracks and that the bolts are tight before using it.
7.2 Operation-based inspection
Check the integrity of the accessory holders by regular inspection as stated in Table 3.
| Checkpoint | What is checked | Description | Monthly | Yearly |
|---|---|---|---|---|
| 1 | Holder | Check visually for damage/cracks | X | X |
| 2 | Mounting | Check that all bolts are in place and tightened | X | X |
7.3 Inspection after extreme weather
After periods of extreme weather, inspect the holders and check that they are free from damage.
8 Transport and storage
The item number includes a holder with attachment material for the specific pen dimension it is to be installed on. Store dry and not exposed to the weather before installation.
9 Manufacturer and product identification
| HEAD OFFICE | |
| Scale Aquaculture AS | Phone: +47 48 85 24 88 |
| Beddingen 16 | E-mail: post@scaleaq.com |
| 7042 Trondheim, Norway | www.scaleaq.no |
10 Revision history
| Rev. | Changes | Date |
| 1 | User manual created | 06.12.2022 |
| 2 | -Chapter structure updated according to NYTEK23 -Accessory holder for plastic brackets added to the user manual | 09.03.2026 |