CODES

ADOPTS WITH AMENDMENTS:

International Building Code 2018 (IBC 2018)

Heads up: There are no suggested sections in this chapter.
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.

3301.3 Duration

AMENDMENT
This section has been amended at the state or city level.
Temporary construction, scaffolding, and encroachments shall be removed from a construction site after the final inspection is made by the code official or within 30 days after the fulfillment of the requirements of the permit.

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 where 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.

3302.3 Fire Safety During Construction

AMENDMENT
This section has been amended at the state or city level.
Fire safety during construction shall comply with the applicable requirements of this code and the applicable provisions of Chapter 33 of the International Fire Codethe Philadelphia Fire Code.

3302.4 Hot Work Operations

AMENDMENT
This section has been amended at the state or city level.
Cutting, welding or brazing operations shall be in accordance with the requirements of the Philadelphia Fire Code.

3302.5 Abandoned and Discontinued Operations

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

3302.5.1 Barrier

AMENDMENT
This section has been amended at the state or city level.
If any construction or demolition operation is abandoned, discontinued or interrupted, a barrier meeting the requirements of Section 3306 shall be provided to protect the public from potential hazards on the site.

3302.5.2 Filling and Grading

AMENDMENT
This section has been amended at the state or city level.
When permits have expired and when no permits have been issued within 3 months of the cessation of excavation operations, the lot shall be filled and graded to eliminate all steep slopes, holes, obstructions or similar sources of hazard. Fill shall be free of organic material and construction debris. The final surface shall be graded in such a manner as to drain the lot, eliminate pockets in the fill, and prevent the accumulation of water without damaging any foundations on the premises or on adjoining property.
Construction documents and a schedule for demolition shall be submitted where required by the building official. Where such information is required, work shall not 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.

3303.4.1 Site Grading After Demolition

AMENDMENT
This section has been amended at the state or city level.
Where a structure is demolished or removed and no new construction is contemplated, the vacant lot shall be graded in accordance with the Building Code. The following demolition material shall not be used as backfill: combustible and fibrous material including metal, reinforcing steel, wood, plastic, plaster, ceramic, roofing materials, trash, household garbage or ash, and any other such debris. The fill shall be covered with a uniform layer of clean, inert, granular material 4 inches or more in depth. Existing concrete paving may remain as a covering. The owner and/or the general contractor for the demolition shall be responsible for compliance with this regulation.
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.

3303.7 Fire Safety During Demolition

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

3303.8 Protection of Adjoining Property During Demolition

AMENDMENT
This section has been amended at the state or city level.
Demolition operations shall not commence until the applicable adjoining property protection is in place as required by Sections B-3303 and B-3307.

3303.8.1 Safety Zone

AMENDMENT
This section has been amended at the state or city level.
A safety zone shall be maintained around all demolition areas to prevent non-authorized persons from entering such zone. Where mechanical demolition equipment, other than handheld devices, is to be used for the demolition of a building, the safety zone shall be equal to or greater than half the height of the building to be demolished. Such safety zone may be reduced at a rate in ratio to the extent of demolition, as demolition occurs. For example, at the time 50% of the demolition is complete, the safety zone may be reduced by 50%.

3303.9 Mechanical Demolition Equipment

AMENDMENT
This section has been amended at the state or city level.
Mechanical demolition equipment shall not be used where a building or portion thereof occupied by one or more persons is located within the safety zone or where the structure undergoing demolition is physically connected to a structure not being demolished.

Exception: When the use of mechanical demolition is recommended and endorsed in writing by a professional structural engineer licensed in the Commonwealth of Pennsylvania and Special Inspections are performed pursuant to Section B-1705.1.1.1.2.

3303.9.1 Mechanical Demolition and Excessive Wind

AMENDMENT
This section has been amended at the state or city level.
Mechanical demolition equipment shall not be used when average wind speed is at or in excess of 20 miles per hour as reported by the National Weather Service.

Exception: When use of such equipment is authorized by the Department for the protection of health and safety or upon a determination that site conditions and precautions established to protect safety reduce the risk of potential harm to a low level.

3303.10 Demolition Sequence

AMENDMENT
This section has been amended at the state or city level.
Any structural member that is being dismembered shall not support any load other than its own weight. No wall, chimney, or other structural part shall be left at any time in such condition that it may collapse or be toppled by wind, vibration or any other cause. The method of removal of any structural member shall not destabilize remaining members. All handling and movement of material or debris shall be controlled such that it will not develop unaccounted impact loads on the structure.

3303.10.1 Structural Steel, Reinforced Concrete, and Heavy Timber Buildings

AMENDMENT
This section has been amended at the state or city level.
Structural steel, reinforced concrete, and heavy timber buildings, or portions thereof, shall be demolished column length-by- column length and tier-by-tier. Structural members shall be chained or lashed in place to prevent any uncontrolled swing or drop. In buildings of "skeleton-steel" construction, the steel framing may be left in place during the demolition of masonry. Where this is done, all steel beams, girders, and similar structural supports shall be cleared of all loose material as the masonry demolition progresses downward.

Exception: Where the design applicant has demonstrated the adequacy of alternate means of demolition through plans, calculations, or the establishment of safety zones, as appropriate, the Department may accept such alternative means of demolition.

3303.10.2 Masonry Buildings With Wooden Floors

AMENDMENT
This section has been amended at the state or city level.
Demolition of masonry buildings with wooden floors shall comply with the following requirements:
  1. Demolition of walls and partitions shall proceed in a systematic manner, and all work above each tier of floor beams shall be completed before any of the supporting structural members are disturbed.
  2. Masonry walls, or other sections of masonry, shall not be loosened or permitted to fall upon the floors of the building in such masses as to exceed the safe carrying capacities of the floors or the stability of structural supports.
  3. No wall section which is more than one story or 12 feet (3658 mm) in height shall be permitted to stand alone without lateral bracing designed by a registered design professional, unless such wall was originally designed and constructed to stand without such lateral support, and is in a condition safe enough to be self-supporting. All walls shall be left in a stable condition at the end of each shift.
  4. Structural or load-supporting members on any floor shall not be cut or removed until all stories above such a floor have been demolished and removed. This provision shall not prohibit the cutting of floor beams for the disposal of materials or for the installation of equipment necessary to safely complete the demolition, so long as the cutting does not negatively impact the safety of the floor system being cut.

3303.11 Management of Hazards

AMENDMENT
This section has been amended at the state or city level.
Prior to the commencement of, and during, demolition operations, hazards shall be removed, in accordance with Sections B-3303.11.1 through B-3303.11.5.

3303.11.1 Dust

AMENDMENT
This section has been amended at the state or city level.
Dust-producing operations shall be wetted down to the extent necessary to control the dust.

3303.11.1.2 Dust Control Fencing

AMENDMENT
This section has been amended at the state or city level.
A dust control fabric shall be securely attached to all temporary perimeter protection fencing. The material shall be a minimum of five feet in height with a minimum blockage of 50%. Information placed on the fabric shall be limited to identification of the responsible Demolition Contractor and any information required by law.

3303.11.1.3 Materials Chutes

AMENDMENT
This section has been amended at the state or city level.
For the purpose of this subsection, a materials chute is a slide, closed in on all sides, through which material is moved from a high place to a lower one. No material shall be dropped more than twenty feet to any point lying outside of the exterior walls of a building or outside of a structure, except through the use of a materials chute. All materials chutes, or sections thereof, shall be entirely enclosed, except for openings equipped with closures at or about floor level for the insertion of materials. At all stories below the top floor, such openings shall be kept closed when not in use. Chutes shall be designed and constructed of such strength as to eliminate failure due to impact of materials or debris loaded therein.

3303.11.4 Fuel

AMENDMENT
This section has been amended at the state or city level.
Prior to the commencement of demolition operations, all pipes, tanks, boilers, or similar devices containing fuel and located in the area authorized to be demolished by the permit shall be purged of such fuel.

Exception: Pipes, tanks, boilers, or similar devices containing fuel located in the area authorized to be demolished by the permit and which will not be disturbed during the course of the demolition operation may, in lieu of being purged, be safeguarded so as to prevent damage to such devices during the course of demolition operations.

3303.11.5 Demolition Debris

AMENDMENT
This section has been amended at the state or city level.
Materials from demolition shall not be stored overnight on a sidewalk, street or surrounding lot, as may otherwise be permitted, unless placed in a construction dumpster licensed pursuant to § 11-610 of The Philadelphia Code, or in a dump truck, debris transfer trailer or other motor vehicle licensed under the Pennsylvania Motor Vehicle Code. Loose material shall be removed upon completion of demolition activity at the end of each day, and the area of temporary storage swept clean.

Exception: Where the Streets Department has authorized the closure of such sidewalk or street and the sidewalk, street or surrounding lot is enclosed as part of the safety zone established by the demolition contractor pursuant to Section B-3303.8.1.

3303.12 Removal of Foundations and Slabs

AMENDMENT
This section has been amended at the state or city level.
Where a building, or any portion, has been demolished to grade, the floor slab or foundation of such building, or portion, shall be removed and the site backfilled to grade.

Exceptions:
  1. Cellar floors may remain provided the cellar floor slab is broken up to the extent necessary to provide ground drainage that prevents accumulation of water, and also provided that all fixtures or equipment that would cause voids in the fill are removed.
  2. Where a floor slab or foundation is to remain and not be backfilled, a waiver approved by the Department shall be obtained. Such request for waiver shall be accompanied by a statement and drawings prepared by a registered design professional demonstrating the necessity for retaining the existing floor slab or foundation for future construction or site remediation, as well as demonstrating positive drainage to an approved place of disposal.

3303.13 Retaining Walls

AMENDMENT
This section has been amended at the state or city level.
Walls, which serve as retaining walls to support earth or adjoining structures, shall not be demolished until such earth has been properly braced or adjoining structures have been properly underpinned. Walls, which are to serve as retaining walls for backfill, shall not be so used unless capable of safely supporting the imposed load.

3303.14 Special Inspection

AMENDMENT
This section has been amended at the state or city level.
Special inspection of demolition activities shall be required in accordance with Sections B-3303.14.1 and B-3303.14.2.

Exception: Demolition performed under contract with the Department and in compliance with current Procurement Department Specifications.

3303.14.1 Mechanical Demolition

AMENDMENT
This section has been amended at the state or city level.
Where mechanical demolition equipment, other than handheld devices, is to be used in the full or partial demolition of a building from within the building, or is to be used within the building to remove debris or move material, such demolition operation shall be subject to special inspection in accordance with the provisions of Chapter 17 of the Building Code.

3303.14.2 Demolition of Tall Structures

AMENDMENT
This section has been amended at the state or city level.
Demolition of a building in excess of three (3) stories or any structure in excess of 40 feet (12192 mm) in height shall be subject to special inspection in accordance with the provisions of Chapter 17 of the Building 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.
Fill or other surcharge loads shall not 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

For SI: 1 foot = 304.8 mm.
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. A walkway shall be provided for pedestrian travel that leads from a building entrance or exit of an occupied structure to a public way.Walkways shall be of sufficient width to accommodate the pedestrian traffic, but shall be not 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 the design live load shall be not less than 150 pounds per square foot (psf) (7.2 kN/m2).

3306.2.1 Sidewalk Closures

AMENDMENT
This section has been amended at the state or city level.
Where the Streets Department authorizes the sidewalk to be fenced or closed, the fence shall be a minimum of 6 feet in height. The fence shall be installed to the extent necessary to effectively close off the site.

3306.2.2 Demolition

AMENDMENT
This section has been amended at the state or city level.
Where sidewalks and streets are located within the safety zone as defined in Section B-3303.8, the sidewalk and parking and/or traffic lane(s) within the safety zone shall be closed during demolition activities unless, upon approval by a professional engineer, the Department determines that public safety is adequately protected with such sidewalk or lane left open. A permit shall be obtained from the Streets Department prior to such closures.
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 that 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).

[BS] 3306.7 Covered Walkways

AMENDMENT
This section has been amended at the state or city level.
Covered walkways shall have a minimum 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. TheIn no case shall the design live load shall be not less than 150300 psf (7.214.4 kN/m2) for the entire structure.
Exceptions:
  1. Covered walkways shall be permitted to support a design live load not less than 150 psf (7.2 kN/m2) when serving a building or structure less than one hundred feet in height, provided there is no construction materials or equipment storage thereon.
  2. Roofs and supporting structures of covered walkways for new, light-frame construction not exceeding two stories above grade planein 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 (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, on 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.
Adjoining public and private property shall be protected from damage during construction, remodeling and demolition work. Protection shall be provided for footings, foundations, party walls, chimneys, skylights and roofs. Provisions shall be made to control water runoff and erosion during construction or demolition activities. The person making or causing an excavation to be made shall provide written notice to the owners of adjoining buildings advising them that the excavation is to be made and that the adjoining buildings should be protected. Said notification shall be delivered not less than 10 days prior to the scheduled starting date of the excavation.

3307.2 License to Enter Adjoining Property

AMENDMENT
This section has been amended at the state or city level.
The responsibility of affording any license to enter adjoining property shall rest upon the owner of the adjoining property involved. It is the responsibility of the person making or causing construction or demolition operations to obtain any necessary license to enter adjoining property from the owner of such property prior to the start of work. If the person who causes the construction, demolition, or excavation work is denied a license to enter by the adjoining property owner, and the building undergoing work is an imminent danger to the adjoining property, as determined by the Department, such duty to preserve and protect the adjacent property shall devolve to the owner of the adjoining property.

3307.2.1 Notification

AMENDMENT
This section has been amended at the state or city level.
Where a construction or demolition project will require access to adjoining property, in order to protect the adjoining property or otherwise, written notification shall be provided to the adjoining property owner a minimum of 10 days prior to the commencement of work. Such notification shall describe the nature of work, estimated schedule and duration, details of monitoring to be performed on the adjoining property, protection proposed to be installed on the adjoining property, and contact information for the project.

3307.3 Physical Examination

AMENDMENT
This section has been amended at the state or city level.
A physical examination of such adjoining property shall be conducted by the person causing the construction or demolition operations prior to the commencement of the operations and at reasonable periods during the progress of the work. Observed conditions shall be recorded by the person causing the construction or demolition operations, and such records shall be made available to the Department upon request.

3307.4 Soil or Foundation Work Affecting Adjoining Property

AMENDMENT
This section has been amended at the state or city level.
Whenever soil or foundation work occurs, regardless of the depth of such, the person who performs or causes such work shall, at all times during the course of such work and at his or her own expense, preserve and protect from damage any adjoining structures, including but not limited to footings and foundations.

3307.4.1 Additional Safeguards During Excavation

AMENDMENT
This section has been amended at the state or city level.
The person causing the excavation shall support the vertical and lateral load of the adjoining structure by proper foundations, underpinning, or other equivalent means where the level of the foundation of the adjoining structure is at or above the level of the bottom of the new excavation.

3307.4.2 Preconstruction Survey

AMENDMENT
This section has been amended at the state or city level.
No excavation work to a depth of more than 5 feet (1524 mm) within 10 feet (3048 mm) of an adjacent building shall commence until the person causing an excavation to be made has documented the existing conditions of all adjacent buildings in a preconstruction survey. Preconstruction surveys shall be maintained by the contractor and made available to the Department upon request.

3307.5 Underpinning

AMENDMENT
This section has been amended at the state or city level.
Whenever underpinning is required to preserve and protect an adjacent property from construction, demolition, or excavation work, the person who causes such work shall, at his or her own expense, underpin the adjacent building.

3307.6 Construction Loads Supported by Existing Party Walls

AMENDMENT
This section has been amended at the state or city level.
The structural adequacy of existing party walls shall be examined by a registered design professional where any construction or demolition work requires the placement of construction materials or equipment upon an existing building or structure supported by the party wall. Any such party wall found through examination to be in an unsafe or imminently dangerous condition as defined by the Philadelphia Property Maintenance Code shall be immediately reported to the Department. Any party wall found through examination to be structurally inadequate to support proposed construction loads shall be strengthened in an approved manner prior to the placement of any construction loads.

3307.6.1 Support of Party Walls

AMENDMENT
This section has been amended at the state or city level.
Where a party wall will be affected by excavation, regardless of the depth, the person who causes the excavation to be made shall preserve such party wall at his or her own expense so that it shall be, and shall remain, in a safe condition. Where an adjoining party wall is intended to be used by the person causing an excavation to be made, and such party wall is in good condition and sufficient for the uses of the existing and proposed buildings, it shall be the duty of the person excavating to protect the party wall and support it by proper foundations, so that it remains insofar as possible as safe as it was before the excavation was commenced.

3307.7 Interior Walls Exposed After Demolition

AMENDMENT
This section has been amended at the state or city level.
Interior walls that become exterior walls as the result of a demolition shall comply with Chapter 14 of the Building Code. All cornices, where cut shall be sealed. All loose material shall be removed, and all voids shall be filled with a suitable material. Such walls shall have wall coverings installed that comply with the applicable provisions of Chapter 14 of the Building Code. The walls shall be carefully examined by a competent person designated by the permit holder to ascertain the condition and adequacy of the party wall to accept the required wall covering. Wall covering to be installed on a wall shall not be more than the wall is capable of safely supporting. Where the Department determines that a wall is incapable of supporting any acceptable wall covering and has issued a related violation, such wall shall not be required to be covered until the violation is corrected.

The exterior of foundation walls that enclose interior space of a structure adjoining a structure that has been demolished shall be damp-proofed in accordance with Chapter 18 of the Building Code prior to backfilling. The person responsible for the demolition shall be responsible for compliance with this regulation.

3307.8 Protection of Roofs

AMENDMENT
This section has been amended at the state or city level.
Whenever any building is to be constructed or demolished above the roof of an adjoining building, it shall be the duty of the person causing such work to protect from damage at all times during the course of such work and at his or her own expense the roof, skylights, other roof outlets, and equipment located on the roof of the adjoining building, and to use every reasonable means to avoid interference with the use of the adjoining building during the course of such work.

Adjoining roof protection shall be secured to prevent dislodgement by wind. Where construction or demolition work occurs at a height of at least 48 inches (1219 mm) above the level of the adjoining roof, adjoining roof protection shall consist of 2 inches (51 mm) of flame-retardant foam under 2 inches (51 mm) of flame-retardant wood plank laid tight and covered by flame-retardant plywood, or shall consist of equivalent protection acceptable to the Department, and shall extend to a distance of at least 12 feet (3658 mm) from the edge of the building being constructed or demolished.
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 not 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 building construction exceeds 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access, a temporary or permanent stairway shall be provided. As construction progresses, such stairway shall be extended to within one floor of the highest point of construction having secured decking or flooring.

Means of egress and required accessible 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, not 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 locations adjacent to stairways complying with Section 3310.1. As construction progresses, such standpipes shall be extended 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.
Where required by the fire code official, a fire watch shall be provided during nonworking hours for construction that exceeds 40 feet (12 192 mm) in height above the lowest adjacent grade.
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