CSI UniFormat & Elemental Classification 2 — Questions and Answers
Question 1: Which UniFormat Level 1 major group encompasses exterior enclosure, roofing, and superstructure?
- A – Substructure
- B – Shell (Correct answer)
- C – Interiors
- D – Services
Correct answer: B – Shell
UniFormat Level 1 Group B (Shell) covers the building's exterior envelope including superstructure (B10), exterior enclosure (B20), and roofing (B30).
Question 2: In UniFormat, which element number represents 'Floor Construction'?
- A1010
- B1010 (Correct answer)
- C1010
- D1010
Correct answer: B1010
B1010 designates Floor Construction within the Shell major group (B), Superstructure subgroup (B10).
Question 3: UniFormat Group D – Services primarily addresses which type of building systems?
- Structural framing and decking
- Mechanical, electrical, and plumbing systems (Correct answer)
- Interior partitions and finishes
- Site utilities and roads
Correct answer: Mechanical, electrical, and plumbing systems
Group D covers building services such as conveying systems, plumbing, HVAC, fire protection, and electrical systems.
Question 4: Which UniFormat Level 2 element code covers 'Foundations'?
- A10 (Correct answer)
- A20
- B10
- G10
Correct answer: A10
A10 (Foundations) is a Level 2 element under Group A – Substructure, covering standard and special foundations.
Question 5: In UniFormat, 'Equipment & Furnishings' is represented by which major group?
- D
- E (Correct answer)
- F
- G
Correct answer: E
Group E – Equipment & Furnishings covers fixed and movable equipment (E10) and furnishings (E20).
Question 6: UniFormat's elemental classification approach organizes construction data primarily by:
- Trade or craft performing the work
- Physical location on the building site
- Functional role of the building element (Correct answer)
- Specification section number
Correct answer: Functional role of the building element
UniFormat classifies elements by what they do (function), not by material, trade, or spec section, enabling early design cost estimating.
Question 7: Which ASTM standard formally governs the UniFormat classification system?
- ASTM E1557 (Correct answer)
- ASTM E2168
- ASTM E1480
- ASTM E2947
Correct answer: ASTM E1557
ASTM E1557 is the Standard Classification for Building Elements and Related Sitework—UNIFORMAT II.
Which UniFormat Level 1 major group encompasses exterior enclosure, roofing, and superstructure?