Perimeter Fence Inspection Logger
Security/perimeter fence patrol — fabric, posts, gates, washouts, anti-climb features and breach evidence; GPS-pinned offline log.
New fence segment inspection
Monthly perimeter walks for secured facilities; weekly for critical infrastructure; after storms always.
Field guide: Perimeter Fence Inspection Logger
A perimeter fence is honest about its job: it doesn't stop a determined adversary, it imposes delay and forces evidence — and both collapse the moment a washout opens a crawl gap or a cut gets 're-hooked' to pass casual inspection. This logger walks the fence as an attacker reads it: ground-line first (digs and washouts are the universal entry), then fabric integrity, the gates whose sag and hinge-lift defeat their own locks, and the topping that only works when outriggers stand and coils overlap.
Evidence findings outrank damage findings: a worn footpath inside the line, cached tools, or the same corner breached three times tell you about an ongoing operation, not deferred maintenance — and they route to security, not the fence contractor. Re-hooked cuts deserve their special flag because they're designed to defeat exactly the drive-by inspection that most facilities call a patrol.
Field tips
- Patrol the OUTSIDE face within arm's reach — cuts and re-hooks are tied off to look right from inside at distance.
- Push the fabric bottom with a boot every few panels: liftable skirts beat holes as entry routes and photograph as 'intact'.
- Walk after rain for two reasons: fresh washouts, and fresh footprints that date themselves.
Records are stored only in this browser (localStorage) — export regularly. This tool aids field documentation; it does not replace your agency's official inspection procedures or engineering judgment.
Perimeter Fence Inspection Logger — Security/perimeter fence patrol — fabric, posts, gates, washouts, anti-climb features and breach evidence; GPS-pinned offline log. Free, offline-first and GPS-aware: open it on any phone, log in seconds, and hand your GIS team clean GeoJSON.
About Perimeter Fence Inspection Logger
A perimeter fence is honest about its job: it doesn't stop a determined adversary, it imposes delay and forces evidence — and both collapse the moment a washout opens a crawl gap or a cut gets 're-hooked' to pass casual inspection. This logger walks the fence as an attacker reads it: ground-line first (digs and washouts are the universal entry), then fabric integrity, the gates whose sag and hinge-lift defeat their own locks, and the topping that only works when outriggers stand and coils overlap.
How to use Perimeter Fence Inspection Logger
- 1Enter the facility & segment and tap 📍 GPS to pin the fence segment's exact location (or type coordinates).
- 2Work through the fence segment checklist — every field matches what a real inspection program records.
- 3Pick a condition on the Intact / Maintenance / Security gap / Active breach ⚠ scale; actionable findings are tallied automatically.
- 4Add notes and log the inspection — it saves instantly to your device, even with zero signal.
- 5Export the round as CSV for your asset system, GeoJSON for the GIS, or print a clean report.
Why use Perimeter Fence Inspection Logger?
- ✓100% free, no sign-up — built for crews, not per-seat licences
- ✓Offline-first: records save to your device instantly and survive dead zones
- ✓One-tap GPS tagging with accuracy capture on every record
- ✓Exports CSV for asset systems, GeoJSON for GIS, and print-ready reports
- ✓Checklist and guidance aligned with ASTM F567 / F1043
Frequently asked questions
How big a gap matters at the ground line?+
150 mm passes a person with modest effort; 100 mm passes most dogs and all the tooling needed to make it bigger. Security standards typically specify ≤ 50 mm at grade. Washouts and dig-unders grow — logging size and GPS lets you watch the trend and prioritize the soil fix (the gap returns until drainage is addressed).
Why do gates fail security before fences do?+
Gates concentrate every weakness: sag opens under-gaps, hinge pins lift unless welded or pinned, chains get 'temporarily' replaced with whatever's handy, and operators fail open. Audit practice is to attack-test your own gates — lift, pry gently, check chain gauge against the fence spec. The log's 'non-standard lock' finding is the classic drift.
What does repeated breach at one location indicate?+
Purpose: a route serving an ongoing activity — theft, shortcut, encampment access. Repair-and-forget guarantees a fourth cut. The pattern response pairs hardening (heavier fabric, bottom rail, lighting) with detection (camera coverage, sensor) at that point, justified by the dated breach history this log accumulates.
Do climbable objects really defeat anti-climb fencing?+
Completely — a pallet stack, tree limb, or parked trailer beside the line converts a 2.4 m barbed fence into a step-over. Standards keep clear zones on both faces (commonly 3–5 m). 'Climbable adjacent' findings are free to fix and routinely score as the cheapest gap in penetration tests.
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