BICSI OSP Designer Study Guide

Preparing for the BICSI OSP Designer exam? This is the complete study guide — six chapters covering all nine official exam domains, written in plain language for working outside plant professionals.

The real exam: 100 questions in 2 hours at Pearson VUE, US$510 member / US$725 nonmember (first attempt included) — single-answer multiple choice plus multi-select items where you must pick two correct answers. It rewards designers who know the numbers and the judgment behind them: fill limits, clearances, cover depths, tension limits, and knowing which platform wins and why. This guide is built for exactly that kind of test.

What's inside:

- Chapter 1 — Pre-design Preparation & Site Survey: project initiation and scope, service requirements, records research, stakeholders and authorities having jurisdiction, permits, easements and right-of-way, feasibility studies and rough-order-of-magnitude estimating; survey planning, route, pole and structure data collection, utility locates and potholing, survey deliverables

- Chapter 2 — Media, Platform & Cable Selection: distance-first media choice, fiber vs. copper vs. coax, copper AWG sizing, cable constructions and jackets, aerial vs. underground vs. buried platform trade-offs, splicing and termination hardware

- Chapter 3 — Underground Platform & Spaces: duct systems and duct banks, the 53/31/40 conduit fill limits, maintenance holes and handholes, structure spacing, bends and sweeps, pulling tension and sidewall pressure, drainage, confined-space awareness

- Chapter 4 — Buried Platform & Spaces: trenching, plowing and boring, cover depths, soil and terrain effects, buried cable construction, marking and locating, pedestals and closures, separations from other utilities, grounding

- Chapter 5 — Aerial Platform & Spaces: poles, classes and loading, messenger strand and sag, NESC clearances vs. stricter pole-owner standards, guying and anchoring, risers and underground dips, bonding and grounding

- Chapter 6 — Prepare Design, Quality Control & Professional Responsibilities: the complete design package, drawings and specifications, estimates, the QC review process, professional ethics, recertification

Every chapter includes "How this shows up on the test" callouts that show the form a topic takes in an exam question, plus a chapter summary for final review.

One honest note on weighting: BICSI publishes weight ranges for this exam's domains (the three platform domains — Underground, Buried, Aerial — are jointly ~43%), and this guide presents them as ranges, not invented point values.

Files included (1):

- osp-study-guide.pdf — the complete 6-chapter guide (115 pages)

Want practice questions too? The Deluxe tier adds the full 500-question practice bank and the cheat sheets, plus license-key access to the online practice hub.

Independent study material. Not affiliated with or endorsed by BICSI.