3.3 Worked Scenario: General Session Technical Load-In

Worked Scenario: General Session Technical Load-In

A convention center ballroom is turned over at 06:00 on Day 1 for a general session opening at 08:00 on Day 2 (a total window of 26 operational hours). The technical production team identifies seven discrete setup tasks:

All times are hours from start. The backward pass uses the earliest project finish at hour 24; the two hours before the hour-26 opening are held as a separate management buffer. A backward pass from the opening deadline would assign that buffer differently. The critical sequence for the hour-24 baseline is A–B–D–F–G.

Analysis of Network Paths:

• Path 1: A (2) -> B (6) -> D (8) -> F (4) -> G (4) = 24 Hours (Critical Path, Float = 0).
• Path 2: A (2) -> B (6) -> E (5) -> G (4) = 17 Hours (Total Float = 7 Hours across non-critical elements).
• Path 3: A (2) -> C (4) -> E (5) -> G (4) = 15 Hours (Total Float = 9 Hours across non-critical elements).

If C is delayed two hours, it uses two of its nine hours of total float against the hour-24 baseline. Its free float is two hours because E cannot start until B finishes at hour 8. Delaying B by one hour moves the critical sequence’s finish from hour 24 to hour 25, using one hour of the separate two-hour opening buffer. Do not confuse free float, total float and the management buffer.

Schedule Compression Techniques

When project delays occur or venue turnover windows are shortened by facility management, the event project manager must compress the schedule without reducing project scope:

• Crashing: Adding resources to critical path activities to shorten duration (e.g., hiring four additional certified riggers or approving double-time overtime wages). Crashing always results in increased direct monetary cost and can suffer from diminishing returns due to crowded worksites.
• Fast-Tracking: Performing activities in parallel that were originally planned in sequence (e.g., beginning scenic stage construction on the floor while overhead lighting fixtures are still being focused). Fast-tracking does not directly increase labor costs, but it substantially increases operational risk, potential safety hazards, and the likelihood of costly rework.

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Operational Scheduling Hierarchy: Master Schedule, Production Schedule & Run of Show

Event project management utilizes a three-tier scheduling hierarchy to bridge the gap between strategic governance and minute-by-minute tactical execution. Each tier serves a specific audience, operates across a distinct time resolution, and fulfills a unique operational function.

+-----------------------------------------------------------------------------------+
|                         EVENT SCHEDULING HIERARCHY                                |
+-----------------------------------------------------------------------------------+
|  1. MASTER PROJECT SCHEDULE                                                       |
|     - Horizon: 6 to 18 Months (Weekly / Monthly Milestones)                       |
|     - Audience: Executive Sponsors, Steering Committee, Lead Planners            |
|     - Scope: Strategic cross-workstream deliverables & procurement gateways      |
|                                                                                   |
|  2. PRODUCTION SCHEDULE (LOAD-IN & STAGING)                                       |
|     - Horizon: 3 to 7 Days (Hourly / 15-Minute Blocks)                            |
|     - Audience: Venue CSM, Riggers, AV Leads, General Service Contractors         |
|     - Scope: Freight dock marshaling, union labor shifts, spatial turnovers       |
|                                                                                   |
|  3. RUN OF SHOW / SHOW FLOW                                                       |
|     - Horizon: Show Duration (Minute-by-Minute / Cue-by-Cue)                      |
|     - Audience: Show Caller, Stage Manager, Technical Director, Presenters        |
|     - Scope: Lighting presets, teleprompter scripts, video rolls, audio cues      |
+-----------------------------------------------------------------------------------+

1. Master Project Schedule

The Master Project Schedule provides the macroscopic roadmap for the entire event life cycle, typically spanning 6 to 18 months before the event through 2 months post-event. It tracks overarching workstreams (e.g., Marketing, Sponsorship, Programming, Site Management, Financials) across weekly or monthly milestones.

• Primary Users: Executive project sponsor, client steering committee, lead event planner.
• Key Contents: RFP release deadlines, contract execution dates, website launch, speaker confirmation cutoffs, housing block release milestones, catering guarantee deadlines, and final accounting audits.

2. Production Schedule (Load-In / Move-In Schedule)

The Production Schedule establishes operational control over the venue during tenancy (typically 2 to 7 days spanning move-in, rehearsal, and move-out). It operates with hourly or half-hour resolution.

• Primary Users: Facility convention services manager (CSM), general service contractor (GSC), audio-visual technical director, freight logistics coordinator, exhibitor freight handlers.
• Key Contents: Marshaling yard freight queuing, loading dock bay assignments, union shift call times, ceiling rigging point installations, carpet laying, booth structure builds, fire marshal walkthroughs, and equipment load-out.

3. Run of Show (ROS) / Show Flow

The Run of Show is the microscopic, cue-by-cue script governing live stage productions and general sessions. It operates with minute-by-minute or second-by-second precision.

• Primary Users: Show caller, stage manager, technical director, lighting board operator, audio engineer, teleprompter operator, video switcher, backstage talent wrangler.
• Key Contents: Exact clock times, elapsed segment times, active presenter names, microphone channel assignments, video playback clip file names, walk-up music cues, lighting state numbers, scenic transitions, and contingency backup slides.