Gas Envelope (Planned Limits & Reserve Strategy)

Validate planned mix/depth suitability, then model protected reserve and turn pressure for the profile.

Open-circuit planning only in v1. CCR bailout workflows are planned for a later release.
Need emergency reserve (rock bottom/minimum gas)? Use Minimum Gas (Rock Bottom).
After confirming the envelope, continue to Best Mix / MOD for gas checks, then run the fill workflow in Gas Blender.

Inputs

Set mix, depth, and PPO2 thresholds

Reserve Strategy

Using: Twinset 2x12L

Backgas 24.0L @ 232 bar

Stages 0 • Planned gas 5568L

Canonical standard gases come from core. Custom mixes can be fully allowed, warned, or blocked by policy.

Result

Planned gas suitability and protected reserve outputs

Enter values and calculate to view results

Team Turn Planning (Optional)

Use the current reserve strategy to identify the limiting diver and a team turn trigger.

Solo mode keeps the current page focused on your own reserve and turn values.

Advanced Segmented Planner (Beta Draft)

Build a draft profile with segment rows and planned switches. This phase validates structure only.

Draft only1 gas source1 segment0 errors0 warnings

Current JSON/print actions still apply to Gas Envelope only. Use this editor to shape the advanced draft before calculation logic lands in a later milestone.

Scenario Templates

Load a realistic starting structure, then adjust it to match the actual dive. These templates seed rows only; they do not replace final reserve or deco-planning checks.

Saved Drafts

Save named draft setups in this browser so you can reuse recurring profile scaffolds without rebuilding the row model each time.

No saved drafts yet in this browser.

Planned Gas Sources

Seed the primary backgas from the current envelope, then add stage/deco/travel sources for the draft.

Primary Backgas

Draft Segments

Define the sequence you want to validate. Depth and duration are draft inputs only in this phase.

Segment 1
Draft Validation

The draft structure is internally consistent. Advanced runtime calculations and exports are still deferred.

Beta Draft Snapshot

Structural preview only. It summarizes the current row model without running decompression or final gas-budget math.

Total Runtime
20 min
Max Depth
40.0 m
Gas Sources
1
Planned Switches
0
Draft Deck Brief

RT 20 min | Max 40 m | No switches yet

Structural preview only. Confirm reserve, turn, and final wet notes from the live planning modes until advanced calculations ship.

Advisory Segment Gas Tracking

This uses a single planning RMV with the current advanced draft rows. It is advisory only: primary protected reserve stays anchored to the live Gas Envelope reserve (70.0 bar).

Ready

Total modeled burn: 2000 L at 20.0 L/min RMV.

Tightest Gas Source
Current Envelope Mix (EAN32)
116.7 bar remaining
Primary Reserve Margin
46.7 bar
Above reserve anchor
Advisory Issues
0 block / 0 warn
Live from the current draft rows

Primary backgas projected end pressure: 116.7 bar (above reserve anchor).