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PipeSpan Pro - Penstock Structural Engine

Chrome extension · Productivity · Developer

A Chrome extension in Productivity · Developer with 6 users, barely installed. Audience over the last 30 days: +1.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
6
Rating
not rated yet
Users, last 30 days
+1
Version
1.0.2
Updated in the store
2026-07-28
Published
2026-06-25
Manifest
V3
Browser access
1 permission

How it has moved

Users
+1 since 03.10
4-6 · 10 readings
  1. 2026-10-046
  2. 2026-10-105
  3. 2026-10-136
  4. 2026-10-165
  5. 2026-10-176
  6. 2026-10-195
  7. 2026-10-244
  8. 2026-10-295
  9. 2026-11-016
  10. 2026-11-026
Users
+1 since 31.08
4-7 · 21 readings
  1. 2026-08-315
  2. 2026-09-036
  3. 2026-09-067
  4. 2026-09-076
  5. 2026-09-097
  6. 2026-09-106
  7. 2026-09-135
  8. 2026-09-156
  9. 2026-09-174
  10. 2026-09-214
  11. 2026-09-275
  12. 2026-10-046
  13. 2026-10-105
  14. 2026-10-136
  15. 2026-10-165
  16. 2026-10-176
  17. 2026-10-195
  18. 2026-10-244
  19. 2026-10-295
  20. 2026-11-016
  21. 2026-11-026

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

Like this one

Listings the catalog judges closest in what they say they do.

  1. AnchorBlock Pro: Hydro Calculator Describes nearly the same job, smaller audience 33 users ★ 5.0
  2. StormCalc – Essential Stormwater Tools Describes a similar job, smaller audience 13 users
  3. Pump Sizing Calculator Describes a similar job, smaller audience 14 users
  4. Pipe & Channel Flow: Manning's Calculator Describes a similar job, smaller audience 3 users
  5. BeamDesign Describes a similar job, smaller audience 6 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pbjfeenneekpepoalfecglkpmiaobkcb/badge.svg)](https://extops.dev/extensions/pbjfeenneekpepoalfecglkpmiaobkcb)

HTML

<a href="https://extops.dev/extensions/pbjfeenneekpepoalfecglkpmiaobkcb"><img src="https://extops.dev/extensions/pbjfeenneekpepoalfecglkpmiaobkcb/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built