---
title: AMSA Requirements for 15 ppm Bilge Alarms – Is Your Smart Bilge System Ready?
description: AMSA requirements for 15ppm SMART BILGE
---

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# AMSA Requirements for 15 ppm Bilge Alarms – Is Your Smart Bilge System Ready?

## The Australian Maritime Safety Authority (AMSA) has published guidance for Port State Control inspections of oily water separators and 15 ppm bilge alarms under MEPC.107(49).

For Rivertrace customers, there are two key areas to consider:

- **OCM response time** – the response time must not exceed **5 seconds**.
- **Sample flow monitoring** – the installation must operate fail-safe if sample flow to the Oil Content Monitor (OCM) is disrupted.

**Not every Smart Bilge system needs upgrading.** What you need depends on the version and configuration already installed onboard.

 What does my system need?

### Smart Bilge+ with flow switch

**No upgrade required for these AMSA inspection points.**

The Smart Bilge+ control module meets the required response-time performance, and the flow switch provides sample-flow monitoring.

---

### Smart Bilge+ without flow switch

**![STD SMART BILGE+ - 230V,115V, 24V](https://hub.rivertrace.com/hs-fs/hubfs/Partner%20Resources/SMART%20BILGE+%20Product%20Images/STD%20SMART%20BILGE+%20-%20230V%2c115V%2c%2024V.jpg?width=400&height=400&name=STD%20SMART%20BILGE+%20-%20230V%2c115V%2c%2024V.jpg)**

**Control module has the orange + after SMART BILGE =** No changes needed  
**Flow switch:** Add where suitable sample-flow monitoring is not already provided.

![Optional Flowswitch](https://hub.rivertrace.com/hs-fs/hubfs/Partner%20Resources/SMART%20BILGE+%20Product%20Images/Optional%20Flowswitch.jpg?width=400&height=400&name=Optional%20Flowswitch.jpg)

---

### Earlier Smart Bilge

**![SMARTBILGEALARMBASIC\_FRONT\_CMYK](https://hub.rivertrace.com/hs-fs/hubfs/SMARTBILGEALARMBASIC_FRONT_CMYK.jpg?width=450&height=300&name=SMARTBILGEALARMBASIC_FRONT_CMYK.jpg)**

Depending on the age and configuration of your system, you may need:

- an **upgraded control module** to meet the required response time; and/or
- a **flow switch** where suitable sample-flow monitoring is not already fitted.

Check the serial number before ordering an upgrade.

**Part numbers would start with: 109073 or 109158 or 109159**

> Not sure which system you have? Send Rivertrace:
> 
> - a photo of your Smart Bilge unit;
> - the **serial number**;
> 
> Our team can confirm what equipment is already installed and whether any additional components are required.

---

For the full inspection guidance, see:

**AMSA Marine Notice 2025/06 – Testing and inspection of oil filtering equipment (MEPC.107(49))**

> **Note:** AMSA compliance relates to the complete onboard OWS installation and its operation. This guide specifically explains the Rivertrace Smart Bilge equipment that may be relevant to the inspection points highlighted by AMSA.

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- [Sample conditions and general techniques](https://hub.rivertrace.com/knowledge/sample-conditions-and-general-techniques)
- [General FAQs](https://hub.rivertrace.com/knowledge/general-faqs)
- [Key MEPC Regulations and Rivertrace Solutions](https://hub.rivertrace.com/knowledge/key-mepc-regulations-and-rivertrace-solutions)
- [OCD CM](https://hub.rivertrace.com/knowledge/ocd-cm)

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