P&ID

Off-Grid Cabin Property Water System Diagram

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UPDATED 2026-09-12
EXAMPLEOff-Grid Cabin Property Water System Diagram
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CASE ANALYSIS

Scenario

Design a process and instrumentation diagram for an off-grid cabin water system sourcing from a hand-dug well, pumped by solar power to a cistern, then gravity-fed to a sink.

Key decisions

  • Represented the hand-dug well as an atmospheric tank and the solar pump as a centrifugal pump
  • Added a level control loop (LT-101/LIC-101) to protect the pump from low cistern level
  • Used a globe valve as the sink faucet with gravity-fed process line to the final consumer

When to reuse this

Use for small-scale off-grid water supply systems where equipment and control instrumentation need to be documented without complex process piping.

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