GB-98 Practice Exam 100 Questions And

New Mexico General Building Contractor (GB-98) Practice Exam 100 Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the main building code adopted for commercial construction

in New Mexico?

A. IRC

B. UBC

C. IBC

D. BOCA

IBC governs commercial buildings under NM Construction Industries Division.

• Which trade requires a GB-98 contractor to subcontract with licensed

specialists?

• Painting
• Insulation 1 / 3

• Electrical
• Drywall

Electrical work must be performed by a properly licensed EE98 contractor.

• Who is responsible for verifying jobsite safety compliance?
• Building officials
• The contractor
• Property owner
• Architect

Contractors must ensure OSHA compliance on-site.

• A contractor must notify the owner of material substitution that

affects:

• Paint color
• Cost or performance
• Delivery timing only
• Warranty paperwork only

Material changes impacting cost/functionality must be disclosed.

5. The minimum footing depth in New Mexico must extend below:

• 6 inches
• Frost line only
• Frost line and to stable soil
• Surface slab

Footings must bear on undisturbed soil below frost depth. 2 / 3

6. A change order becomes valid when:

• Verbal approval from worker
• Owner receives invoice
• Both parties sign the change order
• Contractor completes the work

Written and signed change orders are legally binding.

7. Workers must be trained in fall protection at heights above:

• 10 ft
• 6 ft
• 4 ft
• 20 ft

OSHA fall protection starts at 6 ft for construction.

8. A building permit is required for:

• Painting
• Flooring replacement
• Structural modifications
• Minor repairs

Structural changes require permitted review.

• Which document sets quality standards and installation procedures?
• Insurance policy
• Specifications
• Bid tab
• / 3