Chamber Checks PM · 16/07/2026
0 / 56 checks 0%

Air Dive DDC — PM

16/07/2026 · 56 checks · tap a result for every line, then sign off.

Chamber Checks External

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Chamber primary air isolation valve

Required: OPEN

Chamber air secondary isolation valve

Required: CLOSED

Main lock pressurisation valve

Required: CLOSED

Entry lock pressurisation valve

Required: CLOSED

Main lock exhaust valve

Required: CLOSED

Entry lock exhaust valve

Required: CLOSED

Main lock gauge isolation valve

Required: OPEN

Entry lock gauge isolation valve

Required: OPEN

Main lock bibs inlet valve

Required: CLOSED

Entry lock bibs inlet valve

Required: CLOSED

Main lock bibs dump

Required: CLOSED

Entry lock bibs dump

Required: CLOSED

Main lock bilge drain valve

Required: CLOSED

Entry lock bilge drain valve

Required: CLOSED

Entry lock relief valve secured

Required: OPEN

Main lock relief valve secured

Required: OPEN

Medical lock gauge valve

Required: OPEN

Medical lock exhaust valve

Required: OPEN

Chamber Checks Internal

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Main lock pressurisation valve

Required: OPEN

Entry lock pressurisation valve

Required: OPEN

Main lock exhaust valve

Required: OPEN

Entry lock exhaust valve

Required: OPEN

Main lock gauge isolation valve

Required: OPEN

Entry lock gauge isolation valve

Required: OPEN

Main lock bibs inlet valve

Required: CLOSED

Entry lock bibs inlet valve

Required: CLOSED

Main lock bibs dump valve

Required: OPEN

Entry lock bibs dump valve

Required: OPEN

Main lock bilge drain valve

Required: CLOSED

Entry lock bilge drain valve

Required: CLOSED

Entry lock relief valve secured

Required: OPEN

Main lock relief valve secured

Required: OPEN

Medical lock closed and dogged with valve

Required: CLOSED

Main lock door equalising valve

Required: OPEN

Entry lock door equalising valve

Required: CLOSED

Chamber Checks General

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Open primary supply to DDC and check HP contents

Open secondary supply to DDC and check HP contents

Open O2 supply to bibs and check HP contents

Check He O2 Contents

Function primary supply to main lock

Function primary supply to entry lock

Function secondary supply to main lock

Function secondary supply to entry lock

Close secondary supply and open primary supply

Check sufficient bibs in entry and main lock

Open O2 panel valves and function main lock and entry lock bibs

Close O2 panel valves and vent down bibs

Secure O2 at quad until required for use

Check main and entry lock door seals are in good condition and lightly greased

Check sufficient bedding for 2 divers

Check first aid kit is in date for check

Check fire extinguisher in main lock is indicating fully charged

Check caisson gauge in main and entry locks

Function primary communications to main and entry lock

Function sound powered phone in main and entry lock

Check CO2 scrubber

Sign-off

Not signed

Answer all 56 checks to submit.