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O-calc Pro Line Design -
In the fluorescent-lit bullpen of Northridge Power & Light, Jeremy Chen was known as the “Map Monkey.” His job, officially titled Distribution Designer I , involved staring at grainy aerial photographs and tracing lines for rural service drops. It was tedious, low-stakes work—until the day the call came from Benton County.
Gap Management:
It is specifically designed to handle "ruling spans" and "unbalanced loads" that occur when spans vary in length or angle along a route. 2. Navigating the Interface O-calc Pro Line Design
O-Calc Pro Line Design
is a specialized extension of the O-Calc Pro software suite, developed by Osmose , designed to model and analyze entire segments of utility lines rather than just individual poles . It is a critical tool for distribution design engineers involved in Make Ready Engineering (MRE) and Pole Loading Analysis (PLA) . Core Functionality In the fluorescent-lit bullpen of Northridge Power &
B. attachments and Equipment
- Pole loading analysis (wind, ice, longitudinal loads, dead weights)
- NESC (National Electrical Safety Code) compliance verification
- Joint-use attachment management (multiple telecom/cable attachments on a single power pole)
- Pole replacement vs. reinforcement recommendations
- 3D modeling of pole structures and conductor sag
- Initial tension – Stringing tension at 60°F (typical).
- Final tension – After creep and load history.
- Use Rule of Thumb (e.g., 15-25% RTS) or Exact method (based on Alcoa or IEEE 605).
- Enable temperature range (0°F to 120°F) to check sag variation.
- Run Span-by-span sag – software computes sags for each span accounting for unequal spans and elevations.
Which follow-up do you want?
Metrics to track success
Papers with the Archival designtation can take many forms. They can be glossy, matte, canvas, or an artistic product. These papers are acid free, lignin free and can be made of virgin tree fiber (alpha cellulose) or 25-100% cotton rag. They are likely to have optical or fluorescent brightening agents (OBAs) - chemicals that make the paper appear brighter white. Presence of OBAs does not indicate your image will fade faster. It does predict a slow change in the white point of your paper, especially if it is displayed without UV filter glass or acrylic.
Archival Grade Summary
- Numerous papers - made from tree or cotton content
- Acid and lignin free base stock
- Inkjet coating layer acid free
- Can have OBAs in the base or the coating
Papers with the museum designation make curators happy. They are made from 100% cotton rag content and have no optical brightener content. (OBA) The base stock is acid and lignin free. The coating is acid free. This type of offers the most archival option in terms of media stability over time.
Museum Grade Summary
- 100% cotton rag content
- Acid and lignin free base stock
- Inkjet coating layer acid free
- No OBA content
Photo Grade products are designed to look and feel like modern photo lab paper. Most photo grade media are resin coated, which means they have a paper core covered by a thin layer of polyethelene (plastic) . Plastic gives the paper its photo feel, stability (flatness), water resistance, handling resistance, and excellent feed consistency.
Prints on photo grade media are stable over long periods. With pigment inks in a protected environment, you can see up to 80 years on-display life. All RC papers are Photo Grade for two reasons. Plastic content is not technically archival by museum standards. Also, the inkjet coating of all RC papers is slightly acidic. It facilitates instant drying and does not actually change the stability of your inks over time. Virtually all RC papers have optical brightening agents (OBAs).
Photo Grade Summary
- RC papers
- Plastic coated acid and lignin-free paper core
- Inkjet coating layer will have slight acidity
- Contain OBAs
