ADOPTS WITH AMENDMENTS:

International Building Code 2015 (IBC 2015)

Heads up: There are no amended sections in this chapter.
The provisions of this chapter shall govern safety during construction and the protection of adjacent public and private properties.
Construction equipment and materials shall be stored and placed so as not to endanger the public, the workers or adjoining property for the duration of the construction project.
Required exits, existing structural elements, fire protection devices and sanitary safeguards shall be maintained at all times during alterations, repairs or additions to any building or structure.
Exceptions:
  1. Where such required elements or devices are being altered or repaired, adequate substitute provisions shall be made.
  2. Maintenance of such elements and devices is not required when the existing building is not occupied.
Waste materials shall be removed in a manner that prevents injury or damage to persons, adjoining properties and public rights-of-way.
Fire safety during construction shall comply with the applicable requirements of this code and the applicable provisions of Chapter 33 of the International Fire Code.
Construction documents and a schedule for demolition shall be submitted where required by the building official. Where such information is required, no work shall be done until such construction documents or schedule, or both, are approved.
The work of demolishing any building shall not be commenced until pedestrian protection is in place as required by this chapter.
A horizontal exit shall not be destroyed unless and until a substitute means of egress has been provided and approved.
Where a structure has been demolished or removed, the vacant lot shall be filled and maintained to the existing grade or in accordance with the ordinances of the jurisdiction having authority.
Provision shall be made to prevent the accumulation of water or damage to any foundations on the premises or the adjoining property.
Service utility connections shall be discontinued and capped in accordance with the approved rules and the requirements of the applicable governing authority.
Fire safety during demolition shall comply with the applicable requirements of this code and the applicable provisions of Chapter 33 of the International Fire Code.
Excavation and fill for buildings and structures shall be constructed or protected so as not to endanger life or property. Stumps and roots shall be removed from the soil to a depth of not less than 12 inches (305 mm) below the surface of the ground in the area to be occupied by the building. Wood forms that have been used in placing concrete, if within the ground or between foundation sills and the ground, shall be removed before a building is occupied or used for any purpose. Before completion, loose or casual wood shall be removed from direct contact with the ground under the building.
Slopes for permanent fill shall be not steeper than one unit vertical in two units horizontal (50-percent slope). Cut slopes for permanent excavations shall be not steeper than one unit vertical in two units horizontal (50-percent slope). Deviation from the foregoing limitations for cut slopes shall be permitted only upon the presentation of a soil investigation report acceptable to the building official.
No fill or other surcharge loads shall be placed adjacent to any building or structure unless such building or structure is capable of withstanding the additional loads caused by the fill or surcharge. Existing footings or foundations that can be affected by any excavation shall be underpinned adequately or otherwise protected against settlement and shall be protected against lateral movement.
For footings on adjacent slopes, see Chapter 18.
Fill to be used to support the foundations of any building or structure shall comply with Section 1804.6. Special inspections of compacted fill shall be in accordance with Section 1705.6.
Sanitary facilities shall be provided during construction, remodeling or demolition activities in accordance with the International Plumbing Code.
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.

TABLE 3306.1 PROTECTION OF PEDESTRIANS

HEIGHT OF
CONSTRUCTION
DISTANCE FROM CONSTRUCTION TO LOT LINE TYPE OF PROTECTION REQUIRED
8 feet or less Less than 5 feet Construction railings
5 feet or more None
More than 8 feet Less than 5 feet Barrier and covered walkway
5 feet or more, but not more than one-fourth the height of construction Barrier and covered walkway
5 feet or more, but between one-fourth and one-half the height of construction Barrier
5 feet or more, but exceeding one-half the height of construction None
A walkway shall be provided for pedestrian travel in front of every construction and demolition site unless the applicable governing authority 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).
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.
Construction railings shall be not less than 42 inches (1067 mm) in height and shall be sufficient to direct pedestrians around construction areas.
Barriers shall be not less than 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 that are normally kept closed.
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 boards not less than 3/4-inch (19.1 mm) thick or wood structural panels not less than 1/4-inch (6.4 mm) thick.
  3. Wood structural use panels shall be bonded with an adhesive identical to that for exterior wood structural use panels.
  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.
  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) on center provided a 2-inch by 4-inch (51 mm by 102 mm) stiffener is placed horizontally at mid-height where the stud spacing is greater than 2 feet (610 mm) on center.
  6. Wood structural use panels 5/8 inch (15.9 mm) or thicker shall not span over 8 feet (2438 mm).
Covered walkways shall have a clear height of not less than 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 structure.
Exception: Roofs and supporting structures of covered walkways for new, light-frame construction not exceeding two stories above grade plane 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 (51 mm 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) on center.
  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 not less than 2 inches by 8 inches (51 mm by 203 mm) and shall be spaced not more than 2 feet (610 mm) on center.
  5. The deck shall be planks not less than 2 inches (51 mm) thick or wood structural panels with an exterior exposure durability classification not less than 23/32 inch (18.3 mm) thick nailed to the joists.
  6. Each post shall be knee braced to joists and stringers by members not less than 2 inches by 4 inches (51 mm by 102 mm); 4 feet (1219 mm) in length.
  7. A curb that is not less than 2 inches by 4 inches (51 mm by 102 mm) shall be set on edge along the outside edge of the deck.
Pedestrian protection required by this chapter shall be maintained in place and kept in good order for the entire length of time pedestrians are subject to being endangered. The owner or the owner's authorized 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 commenced.
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) in height. Where located more than 5 feet (1524 mm) from the street lot line, a barrier shall be erected where required by the building official. Barriers shall be of adequate strength to resist wind pressure as specified in Chapter 16.

3307.1 Protection Required

AMENDMENT
This section has been amended at the state or city level.
Adjoining public and private property shall be protected from damage during construction, alteration, repair, demolition or raze of a premises at the expense of the person causing the work. Protection must be provided for lots, and for all elements of a building or other structure, including, but not limited to, footings, foundations, party walls, chimneys, vents, skylights, porches, decks, roofs, roof outlets, roof structures and flashing. Provisions shall be made to control water runoff and erosion during construction or demolition or raze activities. This section shall also apply where (1) the work will cause operable chimneys or vents on adjoining premises to become non-compliant with the Chimney Provisions (as defined in Section 3307.1.1) or (2) the work will cause the live load of the roof of an adjoining or adjacent premises to exceed the design capacity as a result of the increased snow drift load.

3307.1.1 Definitions

AMENDMENT
This section has been amended at the state or city level.
For purposes of Section 3307, the following terms shall have the meaning stated:

PROTECTIVE WORK. Work required by Section 3307.1.

ORIGINAL WORK SITE. The premises or portion thereof where the work causing the required Protective Work is performed.

PROTECTIVE WORK REQUIRING ACCESS. Protective Work that requires access to adjoining or adjacent premises to be completed.

PARTY WALL. A wall that straddles, or is in close proximity to, a lot line, which is used for structural support by two or more adjoining buildings or structures.

CHIMNEY PROVISIONS. Section 2113 (Masonry Chimneys), Chapter 5 of the Fuel Gas Code (Chimneys and Vents), Chapter 8 of the Mechanical Code (Chimneys and Vents), Chapter 10 of the Residential Code (Chimneys and Fireplaces) and Section 903.1 of the Plumbing Code.

3307.1.2 Notice Requirements for Protective Work

AMENDMENT
This section has been amended at the state or city level.
Persons proposing work on an Original Work Site that requires or potentially requires Protective Work on an adjoining or adjacent premises shall comply with the notice requirements set forth in Section 106.2.18.3 as applicable.

3307.1.3 Protective Work Requiring Access

AMENDMENT
This section has been amended at the state or city level.
In situations involving Protective Work Requiring Access, the person requiring access to the adjoining or adjacent premises for the purpose of performing Protective Work, or determining whether Protective Work is required, shall be responsible for obtaining a legal right of access from the owner of the adjoining or adjacent premises, as applicable, or a court order authorizing such access in accordance with the requirements of Section 106.2.18.4.
Exceptions:
  1. A limited or temporary right of access is expressly granted in Section 3307.2.2 or 3307.4.1 for the specific Protective Work required;
  2. A revised work plan is submitted to the Department that eliminates the need for Protective Work Requiring Access; or
  3. A written agreement signed by the person proposing work on a Original Work Site that requires or potentially requires Protective Work on an adjoining or adjacent premises, and the owner of such premises that denies access and acknowledges the owner's obligation to be responsible for any Protective Work Requiring Access.
Where the owner of the premises adjoining a Original Work Site (or adjacent to the Original Work Site in the case of snow drift loads) is responsible for Protective Work on the owner's premises, then said owner shall execute such measures to make safe the said owner's premises, and to obtain any necessary permits for the Protective Work from the Department, without delay so as not to impede or materially delay the construction work subject to the permit application that required the Protective Work. Any permit application filed by the owner in these circumstances shall be exempted from the notification requirements in Section 106.2.18.3.

3307.1.3.1.1 Access to Original Work Site

AMENDMENT
This section has been amended at the state or city level.
Where the owner of the premises adjoining or adjacent to the Original Work Site is responsible for Protective Work on the owner's premises, and the Protective Work requires access to the Original Work Site, the owner of the adjoining or adjacent premises, as applicable, shall obtain written permission to gain such access from the owner of the Original Work Site. If the owner of the Original Work Site fails to grant written permission (conditional or unconditional) for entry to the owner of the adjoining or adjacent premises to undertake the Protective Work then any Protective Work requiring access to the Original Work Site shall be the responsibility of the owner of the Original Work Site, who shall execute such measures to make safe the Original Work Site.

3307.2 Party Walls

AMENDMENT
This section has been amended at the state or city level.

3307.2.1 Responsibility of Person Doing Construction Work

AMENDMENT
This section has been amended at the state or city level.
Where construction work occurs that could affect the structural integrity of a party wall, the person causing the work shall preserve the party wall from injury and ensure the structural stability of the party wall, subject to the provisions for Protective Work Requiring Access in Section 3307.1.3.

3307.2.1.1 Underpinning

AMENDMENT
This section has been amended at the state or city level.
Proper underpinning of existing party walls which require underpinning shall be provided in accordance with applicable sections of the Construction Codes, including Sections 1705.19 and 1804.2.

3307.2.2 Limited Access Authorized

AMENDMENT
This section has been amended at the state or city level.
Where a party wall requires underpinning as a result of the proposed work, a limited right of access to adjoining premises is authorized where the following conditions are met:
  1. The underpinning can be provided by the owner undertaking the work from said owner's premises, even if the footing extends onto the adjoining owner's premises;
  2. Extension of the footing is required to stabilize and support the adjoining owner's building or structure, and to avoid unreasonable delay in excavation and development of the permitted project; and
  3. The owner undertaking the work has provided notice to the owner of the adjoining premises in accordance with Section 106.2.18 where required.
Where the conditions set forth in Section 3307.2.2. are met, the person doing the work is not required to obtain a right of access to the adjoining or adjacent premises, as required by Section 3307.1.3.

3307.2.3 Demolition or Raze

AMENDMENT
This section has been amended at the state or city level.
During a demolition or raze, the person undertaking the work must maintain fire and life safety and structural integrity of the party wall. If any party wall or portion thereof which is left standing and exposed after a building is demolished or razed is deemed unsafe or dangerous by the code official, then the owner of the building that is being demolished or razed shall either remove and reconstruct, or anchor, brace, or buttress all of those portions of the party wall deemed unsafe or dangerous, and shall do all other work necessary to enclose properly the building or structure left standing.

3307.2.4 Party Wall Weatherization

AMENDMENT
This section has been amended at the state or city level.
The party wall shall be properly maintained and weatherized in accordance with Sections 3307.2.4.1 through 3307.2.4.3 as applicable.

3307.2.4.1 Temporary Protection

AMENDMENT
This section has been amended at the state or city level.
If the party wall is to remain exposed for 60 days or less, the exposed portions of the wall shall be protected from weather damage by tarpaulins, waterproof paper, or other temporary means approved for use by the code official. Such temporary protection shall be maintained in a weatherproof condition.

3307.2.4.2 Intermediate Protection

AMENDMENT
This section has been amended at the state or city level.
If the party wall is to remain exposed for more than 60 days, but less than 18 months, the exposed wall shall be restored and weatherproofed in accordance with the requirements for the particular type of construction involved. All plaster and other material not commonly used for exterior construction shall be removed; all holes shall be properly filled; and masonry party walls shall be repointed.

3307.2.4.3 Permanent Protection

AMENDMENT
This section has been amended at the state or city level.
If the party wall is to remain exposed for 18 months or longer, the party walls shall be permanently restored and weatherproofed in accordance with the requirements for the particular type of construction involved. Party walls shall be faced with material commonly used for exterior finish, or restored as closely as practicable with the facing material and construction of the other exterior walls of the building left standing, and shall be painted or otherwise finished in a manner similar to other parts of the building.

3307.3 Chimneys and Vents

AMENDMENT
This section has been amended at the state or city level.
Whenever a building or structure is erected, altered, or increased in height so that any portion of such building or structure causes any previously constructed chimneys or vents on an adjoining premises to become non-compliant with the Chimney Provisions (as defined in Section 3307.1.1), the owner of such new or altered building or structure shall have the responsibility of altering any such operable chimneys or vents to make them conform with the requirements of the Chimney Provisions, subject to the provisions for Protective Work Requiring Access in Section 3307.1.3. The requirements of Sections 3307.3 and 3307.3.1 shall not dispense with or modify any additional requirements that may be appli-cable pursuant to federal or local environmental laws or regulations.
Exceptions:
  1. Where the chimney or vent is no longer connected with a fireplace or combustion or other equipment for which the chimney or vent was required, or where the chimney or vent is otherwise inoperable.
  2. Any existing violations on previously constructed equipment shall be corrected by the owner of the equipment before any equipment is added or alterations made at the expense of the owner of the new or altered building.

3307.3.1 Required Alterations

AMENDMENT
This section has been amended at the state or city level.
Protective Work required by Section 3307.3 shall be accomplished by one of the following means or a combination thereof:
  1. Carry up the previously constructed chimneys or vents to the height required by the Chimney Provisions (as defined in Section 3307.1.1).
  2. Offset such chimneys or vents to a distance beyond that required in the Chimney Provisions from the new or altered building provided that the new location of the outlet of the offset chimney or vent shall otherwise comply with the requirements of the Chimney Provisions.
  3. Provide any alternate materials or methods of construction pursuant to Section 104.11 that satisfies the intent of the Chimney Provisions for mechanical drafting of chimney or vents.

3307.3.1.1 Approval

AMENDMENT
This section has been amended at the state or city level.
The plans and method of alteration shall be subject to the approval of the code official, and any approved work needed to accomplish the alteration shall be authorized pursuant to a permit application submitted by the owner of the existing adjoining premises with the previously constructed chimneys or vents.

3307.3.2 Protection of Draft

AMENDMENT
This section has been amended at the state or city level.
Where a chimney or vent is altered pursuant to Section 3307.4 through the provision of any mechanical equipment or devices necessary to maintain the proper draft in the chimney or vent, the maintenance of such mechanical equipment or devices shall be the responsibility of the owner who is responsible for installing such equipment or devices unless otherwise agreed.

3307.3.3 Procedure for Chimney or Vent Alterations

AMENDMENT
This section has been amended at the state or city level.
Where the alterations required by Section 3307.4 are the obligation of the owner of the new or altered building or structure, such owner shall be subject to the following requirements:
  1. Schedule the Protective Work so as to create a minimum of disturbance to the occupants of the affected building; and
  2. Provide such essential services as are normally supplied by the equipment while it is out of service; and
  3. Where necessary, support such extended chimneys, vents and equipment from the new or altered building or structure or carry up such chimneys or vents within the new or altered building or structure; and
  4. Provide for the maintenance, repair, and/or replacement of such extensions and added equipment; and
  5. Make such alterations of the same material as the original chimney or vent so as to maintain the same quality and appearance, except where the affected owner of the chimney or vent shall give his or her consent to do otherwise. All work shall be done in such fashion as to maintain the architectural aesthetics of the existing building. Where there is practical difficulty in complying strictly with the provisions of this item, the code official may permit an equally safe alternative.

3307.4 Roofs, Roof Outlets, Roof Structures and Flashing

AMENDMENT
This section has been amended at the state or city level.
Subject to the provisions for Protective Work Requiring Access in Section 3307.1.3, where a new building or structure is being constructed, or a demolition or raze of an existing building or structure is being conducted, the roof, roof outlets and roof structures of adjoining buildings or other structures shall be protected against damage with adequate safeguards by the person doing the work.

3307.4.1 Flashing Repairs

AMENDMENT
This section has been amended at the state or city level.
Without excluding other repairs or protective measures that may be required pursuant to Section 3307, and subject to the provisions for Protective Work Requiring Access in Section 3307.1.3, the owner undertaking the work shall repair and restore all flashing on any adjoining building or structure which has been broken or damaged during any construction, demolition or raze operations. The owner undertaking the repairs shall also install such new flashing as may be required to protect any joints exposed or created by such owner's operations. The owner of the adjoining premises shall be deemed to have authorized temporary access to his, her or its property to effectuate repairs to the extent that repairs are required under this section.

3307.4.2 Snow Loads

AMENDMENT
This section has been amended at the state or city level.
Subject to the provisions for Protective Work Requiring Access in Section 3307.1.3,whenever a building or structure is erected, enlarged or increased in height so that any portion of such building or structure extends higher than the top of an adjoining or adjacent existing building or structure, it shall be the responsibility of the owner of the Original Work Site to strengthen the roof of the adjoining or adjacent existing building or structure to support any additional snow drift loads caused by the new work or to provide permanent means of removing the additional snow load such that the existing roof will comply with the snow load requirements in Section 1603.1.3 or Section R301.2.3 of the Residential Code as applicable.
The temporary use of streets or public property for the storage or handling of materials or of equipment required for construction or demolition, and the protection provided to the public shall comply with the provisions of the applicable governing authority and this chapter.
Construction materials and equipment shall not be placed or stored so as to obstruct access to fire hydrants, standpipes, fire or police alarm boxes, catch basins or manholes, nor shall such material or equipment be located within 20 feet (6096 mm) of a street intersection, or placed so as to obstruct normal observations of traffic signals or to hinder the use of public transit loading platforms.
Building materials, fences, sheds or any obstruction of any kind shall not be placed so as to obstruct free approach to any fire hydrant, fire department connection, utility pole, manhole, fire alarm box or catch basin, or so as to interfere with the passage of water in the gutter. Protection against damage shall be provided to such utility fixtures during the progress of the work, but sight of them shall not be obstructed.
Structures under construction, alteration or demolition shall be provided with no fewer than one approved portable fire extinguisher in accordance with Section 906 and sized for not less than ordinary hazard as follows:
  1. At each stairway on all floor levels where combustible materials have accumulated.
  2. In every storage and construction shed.
  3. Additional portable fire extinguishers shall be provided where special hazards exist, such as the storage and use of flammable and combustible liquids.
The provisions of this code and the International Fire Code shall be strictly observed to safeguard against all fire hazards attendant upon construction operations.
Where a building has been constructed to a building height of 50 feet (15 240 mm) or four stories, or where an existing building exceeding 50 feet (15 240 mm) in building height is altered, no fewer than one temporary lighted stairway shall be provided unless one or more of the permanent stairways are erected as the construction progresses.
Required means of egress shall be maintained at all times during construction, demolition, remodeling or alterations and additions to any building.
Exception: Existing means of egress need not be maintained where approved temporary means of egress systems and facilities are provided.
In buildings required to have standpipes by Section 905.3.1, no fewer than one standpipe shall be provided for use during construction. Such standpipes shall be installed prior to construction exceeding 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access. Such standpipes shall be provided with fire department hose connections at accessible locations adjacent to usable stairways. Such standpipes shall be extended as construction progresses to within one floor of the highest point of construction having secured decking or flooring.
Where a building is being demolished and a standpipe exists within such a building, such standpipe shall be maintained in an operable condition so as to be available for use by the fire department. Such standpipe shall be demolished with the building but shall not be demolished more than one floor below the floor being demolished.
Standpipes shall be installed in accordance with the provisions of Chapter 9.
Exception: Standpipes shall be either temporary or permanent in nature, and with or without a water supply, provided that such standpipes conform to the requirements of Section 905 as to capacity, outlets and materials.
In buildings where an automatic sprinkler system is required by this code, it shall be unlawful to occupy any portion of a building or structure until the automatic sprinkler system installation has been tested and approved, except as provided in Section 111.3.
Operation of sprinkler control valves shall be permitted only by properly authorized personnel and shall be accompanied by notification of duly designated parties. When the sprinkler protection is being regularly turned off and on to facilitate connection of newly completed segments, the sprinkler control valves shall be checked at the end of each work period to ascertain that protection is in service.
An approved water supply for fire protection, either temporary or permanent, shall be made available as soon as combustible material arrives on the site.
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