Exam Cheat Sheet · Quick Reference
Oklahoma Electrical Business and Law
Oklahoma · PSI Services Contractor
Oklahoma State Portion 50 questions
Key Distinctions
Bid peddling is when a subcontractor approaches the general contractor after award to lower their own price, while bid shopping is when the general contractor seeks lower prices from other subcontractors after award.
NASCLA Contractors Guide, Page 6-2Arbitration results in a legally binding decision rendered by a third-party arbitrator, while mediation uses a facilitator to help parties reach a mutual agreement that is not imposed or binding.
Nascla Contractors Guide 14th, Chapter 7 — ArbitrationNamed peril policies cover only the specific perils listed (e.g., fire and lightning), while all-risk policies cover all perils not specifically excluded.
Chapter 3 – Named Peril Builder's Risk Insurance sectionA bank letter of credit is a cash guarantee covering only 5–10% of the contract and is not a guarantee of performance, while a surety bond (e.g., performance bond) typically covers 100% of the contracted price.
Chapter 3 – Bond Language sectionCompany overhead (e.g., office rent, accounting fees) is the general cost of doing business and cannot be linked to a specific project, while project overhead (e.g., bonds, temporary storage, dumpsters) is directly tied to a specific job.
NASCLA Contractors Guide, Page 6-6The accrual method recognizes income when services occur and expenses when incurred regardless of when cash changes hands, while the cash method records income and expenses only when payment is actually received or made.
NASCLA Contractors Guide, Chapter 14 — Accrual Method sectionCPM graphically illustrates interdependent relationships between tasks so delays can be traced through the schedule, while bar chart and calendar scheduling methods do not show activity interdependencies.
NASCLA Contractors Guide, Chapter 8 — Critical Path Method sectionFree float is the time an activity can be delayed without impacting the early start of the very next activity, while total float is the leeway before the overall project completion date is delayed.
NASCLA Contractors Guide, Chapter 8 — Float Time sectionThe quantity take-off method estimates materials and labor separately then adds overhead and profit, while the unit price method bundles all cost factors (labor, materials, equipment, subcontractors) into a single price per unit of work.
NASCLA Contractors Guide, Page 6-3Direct costs (materials, subcontractor fees, permit fees, labor) are directly linked to a specific project, while operating expenses (office salaries, advertising, warehouse rental) support the business generally and are not project-specific.
NASCLA Contractors Guide, Chapter 2 — Income Statement sectionThe project manager serves as the main contact with the owner, prepares budgets, reviews shop drawings, and monitors overall progress, while the superintendent is the onsite supervisor who coordinates daily operations, tracks schedule/cost deviations, and maintains project records.
NASCLA Contractors Guide, Chapter 8 — Who is the Project Manager? sectionThe superintendent oversees all daily onsite operations across the entire project, while the foreman supervises specific trade areas such as rough carpentry or concrete installation.
NASCLA Contractors Guide, Chapter 8 — Foreman sectionKey Terms
Formulas to Know
Required Labor Hours per Task × Labor Rate = Labor Cost per TaskPrice per Unit × Number of Units Needed = Total Material Unit CostTotal Overhead Costs (from income statement) ÷ Total Revenue (from income statement) × 100 = Company Overhead %Direct Costs (labor + materials + equipment + project overhead + subcontractors) × (1 + Markup %) = Total Bid PriceUnit Price × Total Quantity = Total Task Cost|Estimated Cost − Actual Cost| ÷ Actual Cost × 100 = Variance %; good estimate ≤ 2%