Managing Sustainable Facilities
Decisions made before the meter runs
Managing a sustainable facility spans the planning, design, procurement, and improvement phases. Key concepts include integrated design (bringing facilities, energy, and operations expertise into charrettes early), site selection criteria, space planning and utilization, sustainable procurement with weighted criteria beyond lowest price, materials selection (low-emitting, recycled content, certified wood, durability), waste management planning with diversion targets, and indoor environmental quality covering ventilation, acoustics, lighting, and thermal comfort. Candidates must distinguish commissioning of new systems from retro-commissioning of existing ones, and recognize lifecycle cost analysis (LCCA) and green lease clauses as the levers that lock sustainability into a building for years.
Traps the exam sets
- Assuming a certified building performs as designed; performance must be measured and verified.
- Equating commissioning with retro-commissioning, or with routine maintenance.
- Ignoring embodied carbon and durability when comparing materials.
- Awarding contracts purely on price, then wondering why efficiency measures were value-engineered out.
- Confusing a waste diversion rate with a recycling rate.
Worked example: LCCA in one line
Two rooftop units: Option A costs 100,000 with 20,000 annual energy, Option B costs 130,000 with 14,000 annual energy. Over 10 years at the same discount assumptions, B saves 60,000 in energy against a 30,000 premium - a 30,000 lifecycle advantage. Rule of thumb: compare options on lifecycle cost, and document the assumptions.