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07-Str-B2: May 2013

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Project Control — earned value and the 20/80 rule
  2. Question 2 Scheduling — critical path and late bar chart
  3. Question 3 Insurance — bid bonds, performance bonds and retainage
  4. Question 4 Engineering Economics — breakeven revenue for alternatives of unequal life
  5. Question 5 Construction Delays — classification and forensic analysis
  6. Question 6 Safety Practices and Regulations — a downtown high-rise site

Start with Question 1 →

National Examinations — May 2013 — 07-Str-B2 Management of Construction. Three hours, closed book; candidates may use one of the two approved calculators (Casio or Sharp). The paper prints six questions of equal value (20 marks each) and states that any five questions constitute a complete paper, only the first five appearing in the answer book being marked. Candidates are urged to record any interpretive assumptions with their answers. All six questions are worked below, because the set is intended as a study resource rather than as a single exam sitting.

Reference texts: Hegazy, T., Computer-Based Construction Project Management (Prentice Hall) — bar charts, earned-value control and precedence networks with SS/FS/FF lags, which is the notation this paper uses; Hendrickson, C. & Au, T., Project Management for Construction (2nd ed., Carnegie Mellon) — cost control and earned value; Halpin, D.W. & Senior, B.A., Construction Management (4th ed., Wiley) — scheduling, cash flow and bonding; Sullivan, W.G., Wicks, E.M. & Koelling, C.P., Engineering Economy (17th ed., Pearson) — annual-worth comparison of alternatives with unequal lives; Canadian Construction Documents Committee, CCDC 2 — Stipulated Price Contract (2020) with CCDC 220/221/222 bond forms — bid, performance and labour-and-material payment bonds and the holdback provisions; Goldsmith, I. & Heintzman, T.G., Goldsmith on Canadian Building Contracts (5th ed., Thomson Reuters) — delay, notice and surety law in Canada; AACE International, Recommended Practice 29R-03: Forensic Schedule Analysis — but-for and windows methods; WorkSafeBC, Occupational Health and Safety Regulation (Parts 4, 11, 14 and 20) and the BC Workers Compensation Act — construction health and safety duties.

Check — values scaled from the printed figures. Questions 1 and 2 carry hand-drawn figures with no written numbers on the time axis. The activity durations and lag labels in Question 2 are printed inside the network boxes and are read directly. The interpretation adopted here is stated in the Given of each question; it reproduces the drawing and yields round results (a project cost performance index of exactly 0.80 and a 44-day critical path), which is the usual signature of a correct reading.