International Building Code Section 3306

International Building Code 3306.1

Protection required. Pedestrians shall be protected
during construction, remodeling and demolition activities as
required by this chapter and Table 3306.1. Signs shall be provided
to direct pedestrian traffic.

International Building Code 3306.2

Walkways. A walkway shall be provided for pedestrian
travel in front of every construction and demolition site
unless the authority having jurisdiction authorizes the sidewalk
to be fenced or closed.Walkways shall be of sufficient width to
accommodate the pedestrian traffic, but in no case shall they be
less than 4 feet (1219 mm) in width. Walkways shall be provided
with a durable walking surface. Walkways shall be
accessible in accordance with Chapter 11 and shall be designed
to support all imposed loads and in no case shall the design live
load be less than 150 pounds per square foot (psf) (7.2 kN/m2).

International Building Code 3306.3

Directional barricades. Pedestrian traffic shall be protected
by a directional barricade where the walkway extends
into the street. The directional barricade shall be of sufficient
size and construction to direct vehicular traffic away from the
pedestrian path.

International Building Code 3306.4

Construction railings. Construction railings shall be
at least 42 inches (1067 mm) in height and shall be sufficient to
direct pedestrians around construction areas.

International Building Code 3306.5

Barriers. Barriers shall be a minimum of 8 feet (2438
mm) in height and shall be placed on the side of the walkway
nearest the construction. Barriers shall extend the entire length
of the construction site. Openings in such barriers shall be protected
by doors which are normally kept closed.

International Building Code 3306.6

Barrier design. Barriers shall be designed to resist
loads required in Chapter 16 unless constructed as follows:
1. Barriers shall be provided with 2-inch by 4-inch (51 mm
by 102 mm) top and bottom plates.
2. The barrier material shall be a minimum of 3/4-inch (19.1
mm) boards or 1/4-inch (6.4 mm) wood structural use
3. Wood structural use panels shall be bonded with an
adhesive identical to that for exterior wood structural use
4. Wood structural use panels 1/4 inch (6.4 mm) or 5/16 inch
(23.8 mm) in thickness shall have studs spaced not more
than 2 feet (610 mm) on center (o.c.).
5. Wood structural use panels 3/8 inch (9.5 mm) or 1/2 inch
(12.7 mm) in thickness shall have studs spaced not more
than 4 feet (1219 mm) o.c., provided a 2-inch by 4-inch
(51 mm by 102 mm) stiffener is placed horizontally at
midheight where the stud spacing exceeds 2 feet (610
mm) o.c.
6. Wood structural use panels 5/8 inch (15.9 mm) or thicker
shall not span over 8 feet (2438 mm).

International Building Code 3306.7

Covered walkways. Covered walkways shall have a
minimum clear height of 8 feet (2438 mm) as measured from
the floor surface to the canopy overhead. Adequate lighting
shall be provided at all times. Covered walkways shall be
designed to support all imposed loads. In no case shall the
design live load be less than 150 psf (7.2 kN/m2) for the entire
Exception: Roofs and supporting structures of covered
walkways for new, light-frame construction not exceeding
two stories in height are permitted to be designed for a live
load of 75 psf (3.6kN/m2) or the loads imposed on them,
whichever is greater. In lieu of such designs, the roof and
supporting structure of a covered walkway are permitted to
be constructed as follows:
1. Footings shall be continuous 2-inch by 6-inch (51mm
by 152 mm) members.
2. Posts not less than 4 inches by 6 inches (102 mm by
152 mm) shall be provided on both sides of the roof
and spaced not more than 12 feet (3658 mm) o.c.
3. Stringers not less than 4 inches by 12 inches (102 mm
by 305 mm) shall be placed on edge upon the posts.
4. Joists resting on the stringers shall be at least 2 inches
by 8 inches (51 mm by 203 mm) and shall be spaced
not more than 2 feet (610 mm) o.c.
5. The deck shall be planks at least 2 inches (51 mm)
thick or wood structural panels with an exterior exposure
durability classification at least 23/32 inch (18.3
mm) thick nailed to the joists.
6. Each post shall be knee braced to joists and stringers
by 2-inch by 4-inch (51 mm by 102 mm) minimum
members 4 feet (1219 mm) long.
7. A 2-inch by 4-inch (51 mm by 102 mm) minimum
curb shall be set on edge along the outside edge of the


International Building Code 3306.8

Repair, maintenance and removal. Pedestrian protection
required by this chapter shall be maintained in place and
kept in good order for the entire length of time pedestrians may
be endangered. The owner or the owner’s agent, upon the completion
of the construction activity, shall immediately remove
walkways, debris and other obstructions and leave such public
property in as good a condition as it was before such work was

International Building Code 3306.9

Adjacent to excavations. Every excavation on a site
located 5 feet (1524 mm) or less from the street lot line shall be
enclosed with a barrier not less than 6 feet (1829 mm) high.
Where located more than 5 feet (1524 mm) from the street lot
line, a barrier shall be erected when required by the building
official. Barriers shall be of adequate strength to resist wind
pressure as specified in Chapter 16.