Exam: Balcony and Roof Railings and the Code: Maintain, Repair, or Replace?

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#1. For railings deemed historic or architecturally significant, ________ are often preferred.

Economical and permanent repairs.

Minimal and reversible interventions.

New dimensionally-compliant railings.

Retention and coating of deteriorated elements.

#2. Railings that do not include the provision to expand and contract under thermal stress can self-destruct under restraint.

True.

False.

#3. Stainless steel provides corrosion resistance due to the addition of _____ to the alloy.

Aluminum

Iron

Chlorides

Chromium

#4. The National Park Service Standards for the Treatment of Historic Properties suggests that railing additions should:

Match the design and dimensions of the original.

Be differentiated from the old, yet compatible with the historic materials, proportions, and features.

Be of a simple, utilitarian design that is unobtrusive.

Replicate existing railings in all their features, even if they do not comply with contemporary codes.

#5. One key difference between the 2015 IBC and the 2014 NYC Building Code is that only New York:

Requires railings even for inaccessible roofs areas with no entry point from the interior.

Mandates that glass in railing systems be laminated tempered glass.

Requires a curb or toe rail at the base of railings.

Allows loose or deficient railings to remain as they are if the building is a designated landmark.

#6. Beginning with Cycle 8, New York City Facade Inspection Safety Program/Local Law 11 balcony railing statements must be filed separately as supplemental reports.

True.

False.

#7. Energy codes have indirectly impacted railing height by requiring:

Taller railings than were permitted previously.

Periodic evaluation of railing components.

Increased insulation thickness that effectively lowers the height of existing railings above the walking surface.

Sealant application at railing terminations.

#8. One stipulation of the International Existing Building Code (IEBC) is:

Railings need meet only minimum OSHA standards.

Where local building codes are more stringent, the IEBC alone governs existing building alterations.

Elements cannot be altered to become less safe than their original condition.

Energy code standards for roof insulation need not be met if they require railing modifications.

#9. The Occupational Safety and Health Administration (OSHA) Standard 1910.29 specifies which strength requirement for the TOP rail?

200 lbs downward or outward.

150 lbs downward or outward.

50 lbs/linear foot in any direction.

250 lbs concentrated.

#10. The International Building Code (IBC) 2006 edition allowed top rail openings up to 8” diameter, but the 2015 IBC limits them to:

2”

4-3/8”

18” ± 3

Finish