Borough of Green Tree, PA
Allegheny County
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Table of Contents
Table of Contents
[HISTORY: Adopted by the Borough Council of the Borough of Green Tree 2-2-2015 by Ord. No. 1729. Amendments noted where applicable.]
GENERAL REFERENCES
Repair or removal of dangerous buildings or structures — See Ch. 132.

§ 126-1 Purpose.

The purpose of this chapter is to provide the minimum standards to safeguard persons, protect property and establish performance standards for the demolition of buildings and structures within the Borough.

§ 126-2 Scope.

A. 
The work shall consist of the total demolition of all buildings or structures designated on the drawings and/or described in the specifications and the subsequent removal of all materials and debris from the property or properties on which the building or structure was located.
B. 
In general, total demolition will consist of, but shall not be limited to, the following:
(1) 
Termination of all utilities (gas, water, electric, telephone, sanitary sewers, storm sewers, etc.).
(2) 
Demolition of buildings and structures.
(3) 
Demolition of walks and steps, except sidewalks along the streets.
(4) 
Disconnection of all sanitary sewer laterals from the building or structure.
(5) 
Backfilling of all subsurface areas and surface depressions (basements, wells, cisterns, cesspools, etc.).
(6) 
Removal of all materials of any kind from the project, including all debris and rubbish, as they accumulate; they shall not be stored on the project site.
(7) 
Furnishing, erection and maintenance of barricades, lights, flashing warning lights, and warning and "keep out" signs.
(8) 
Prevention or control of dust.
(9) 
Site cleanup and treatment of disturbed areas.

§ 126-3 Permit required.

A. 
No person shall commence or perform any demolition activity within the Borough without first having obtained a demolition permit from the Building Code Official.
B. 
The Building Code Official may waive the requirement for a demolition permit if the demolition is being performed as preliminary work for construction for which a valid building permit has been issued. It shall be in the sole decision of the Building Code Official whether a demolition permit is required in addition to the building permit.
C. 
At the time of application for a demolition permit, the applicant shall pay a permit fee in accordance with the Borough's schedule then in effect.

§ 126-4 Schedule.

A. 
Two copies of the proposed methods and operation of the demolition must be submitted by the contractor to the owner and the Building Code Official for review prior to the start of any work. The schedule for the coordination for shutoff, capping, removal, sealing, etc., of all utility services must be included.
B. 
The schedule shall indicate the estimated start and completion dates for various demolition tasks with the final completion date not to exceed the time limitations stated in the form of approval issued by the Borough.

§ 126-5 Occupancy.

A. 
The grounds and building to be demolished must be vacated and all use discontinued prior to start of the work.
B. 
The building/structure to be demolished will be posted at streetside and at the front door with an approved demolition notice at least seven days prior to the start of demolition and shall remain at street side until completion.

§ 126-6 Salvageable materials.

A. 
Items having salvage value to the contractor may be removed from the building or structure as the work progresses. Salvaged items must be transported from the site as they are removed.
B. 
Storage or sale of removed items is not permitted on the site.

§ 126-7 Explosives.

The use of explosives is not permitted.

§ 126-8 Traffic.

A. 
The contractor shall conduct demolition operations and the removal of debris to ensure the minimum interference with roads, streets, walks, and other adjacent facilities.
B. 
The contractor shall not close or obstruct any streets, walks or other occupied or used facilities without permission from the Borough Manager. The contractor shall also provide alternate routes around closed or obstructed trafficways if required by the Borough.

§ 126-9 Protection.

A. 
The contractor shall ensure the safe passage of persons around the area of demolition and conduct all operations so as to prevent injury to adjacent buildings, structures, other facilities, and persons.
B. 
The contractor shall erect, at its cost, temporary covered passageways as and if required by the Borough.
C. 
The contractor shall provide interior and exterior shoring, bracing, or support to prevent the movement, settlement or collapse of any structures to be demolished where such settlement or collapse would cause injury to adjacent buildings, structures, utilities, other facilities and/or persons or property.
D. 
The Borough, at its discretion, may require that the demolition site be fully fenced off or otherwise enclosed to prevent any injury or damage to any persons.

§ 126-10 Damages.

The contractor shall promptly repair any damages caused to adjacent facilities by its demolition operations at no cost to the owner of the damaged structure/building.

§ 126-11 Utility services.

A. 
The contractor shall notify each utility servicing the site and have all utilities terminated or disconnected prior to commencement of any work on the site, and shall notify PA One Call as required by law.
B. 
The contractor shall pay any and all charges imposed by the utility companies for removal of their respective service connections and/or equipment.
C. 
The contractor shall promptly install a permanent seal on all sewer connections to protect against soil erosion and sediment traveling into existing storm or sanitary sewer systems. All seals shall be inspected and approved by the Borough Engineer prior to backfilling.
D. 
The contractor shall obtain from each utility company a certificate stating that their respective service has been satisfactorily removed in accordance with their requirements. A copy of each certificate shall be provided to the Building Code Official.

§ 126-12 Extermination.

A. 
If extermination is required under the special conditions, the contractor shall employ a certified exterminator and pay all charges to treat the entire building or structure prior to beginning demolition.
B. 
After treatment is completed, the contractor shall not enter the building or structure or begin any work in a time period less than that prescribed by the exterminator.

§ 126-13 Pollution controls.

The contractor shall:
A. 
Use water sprinkling, temporary enclosures, and other suitable methods to limit the amount of dust and dirt arising and scattering in the air to the lowest practical level.
B. 
Comply with governing regulations pertaining to environmental protection.
C. 
Not use water when it may create hazardous or objectionable conditions such as ice, flooding, and pollution.
D. 
Clean adjacent structures, facilities and adjacent roadways of dust, dirt, and debris caused by demolition operations, as directed by the Borough. The contractor shall return adjacent areas to the condition existing prior to the start of work.

§ 126-14 Building or structure demolition.

The contractor shall:
A. 
Demolish the building or structure completely and remove all debris from the site, and shall use such methods as necessary to complete the work within the limitations of governing regulations.
B. 
Proceed with demolition in a systematic manner, from the top of the building or structure to the ground. The demolition work above each floor or tier must be completed before disturbing supporting members on lower levels.
C. 
Demolish concrete and masonry in small sections.
D. 
Remove structural framing members and lower such items to the ground by means of hoists, derricks, or other suitable methods.
E. 
Breakup and remove concrete slab-on-grade.
F. 
Locate demolition equipment throughout the structure and remove materials so as to not impose excessive loads to supporting walls, floors or framing.
G. 
Under no circumstances set any structure afire. The burning of debris or other matter on the site shall not be permitted.
H. 
Not be permitted to use a swinging ball immediately adjacent to any public thoroughfare, or in areas where its use may create a public hazard.
I. 
Not use any method of demolition which will not ensure that all phases of such demolition will be strictly confined within the limits of the demolition areas, and without hazard to adjacent properties or to the public.
J. 
Not disturb any existing curbs, sidewalks and street paving.
K. 
Remove and dispose off the site all debris, rubbish and other materials resulting from demolition operations. The means of transporting and disposal of demolished materials shall be the contractor's responsibility.
L. 
Demolish concrete foundation walls to a depth of not less than 24 inches below the existing ground surface.
M. 
Demolish and remove below grade wood, metal constructions, and all nonconcrete floors.

§ 126-15 Filling basement and voids.

The contractor shall comply with the following:
A. 
Prior to placing the first backfill layer, all existing concrete basement floors and other concrete surfaced areas shall be broken to ensure adequate drainage.
B. 
Floor construction over cellars shall be removed regardless of elevations.
C. 
All partition walls and all columns of any nature in cellars or in other subsurface openings shall be removed to cellar floor elevation.
D. 
Furnaces, heating apparatus, piping, gasoline or oil tanks, miscellaneous fixtures, and stairways shall be removed from the demolition site.
E. 
The contractor shall furnish, at its own expense, any additional materials required for backfilling subsurface areas. The quality, nature, and source of any additional material required for backfilling shall be approved by the Borough Engineer before use.
F. 
No unstable material will be permitted in the backfill.
G. 
Materials encountered in the demolition which the contractor proposes to use as backfill shall be stored until the walls are removed, if approved by the Borough Engineer,
H. 
The contractor shall use satisfactory soil materials consisting of stone, gravel, and sand, free from debris, trash, frozen materials, roots and other organic matter, and stones larger than two inches.
I. 
Prior to placement of fill materials, ensure that areas to be filled are free of standing water, frost, frozen material, trash and debris.
J. 
The contractor shall place fill materials in horizontal layers not exceeding six inches in loose depth and compact each layer at optimum moisture content of the fill material to a density equal to the original adjacent ground.
K. 
All operations in connection with backfilling and grading shall be performed and completed in such manner as will ensure proper drainage of the site.

§ 126-16 Site cleanup and treatment of disturbed areas.

A. 
At the conclusion of the project and before leaving the project site, the contractor shall conduct a final cleanup of the entire site.
B. 
All debris, rubbish, paper, leaves, rocks and all other such materials shall be collected and removed. The entire site shall be broom-raked clean.
C. 
All surface depressions left by truck tires, removal of concrete walks, removal of shrubs, and the like shall be filled and raked smooth to the existing grade lines.
D. 
All high weeds, grass, small underbrush and the like shall be properly trimmed and the site shall be left in a neat and orderly condition, to the satisfaction of the Borough.
E. 
The demolition site and all other areas disturbed by the contractor's operations shall be covered with a minimum of four-inch depth of topsoil and seeded as set forth herein. It shall be the responsibility of the contractor to obtain the topsoil from outside the limits of the site. Furnished topsoil shall meet the following grading analysis:
Sieve
Minimum Percent Passing
2-inch
100
No. 4
75
No. 10
60
F. 
Topsoiled areas shall be thoroughly loosened to a depth of at least two inches by discing, harrowing, or by other approved methods until the tillage is acceptable. All soil irregularities, however caused, shall be satisfactorily corrected before fertilizing, seeding and mulching. All objectionable material larger than two inches in any dimension shall be removed and disposed of as directed by the Borough.
G. 
Agricultural pulverized limestone and fertilizer shall be applied uniformly to the topsoiled areas. On all topsoiled areas, the lime and initial fertilizer application shall be incorporated into the soil to a depth of at least two inches by raking, discing, harrowing or by other approved methods. The incorporation of these supplements may be performed during the tillage operation. A final fertilizer application is required and shall consist of the surface application of urea-form fertilizer to all seeded areas at the time designated by the Borough Engineer, prior to departure from the project site. Application rates of lime and fertilizer shall be as follows:
(1) 
Pulverized agricultural limestone: 800 pounds per 1,000 square yards.
(2) 
10-0-20 analysis commercial fertilizer: 192 pounds per 1,000 square yards.
(3) 
38-0-0 urea-form fertilizer: 50 pounds per 1,000 square yards.
H. 
Seed shall be certified perennial rye grass sown at the rate of 10 pounds per 1,000 square yards. Seed shall be uniformly sown on the designated areas by hydraulic, broadcast, drill or hand-seeding methods. All seeds shall conform to the Pennsylvania Act of 1965, Act No. 187, and regulations of the Pennsylvania Department of Agriculture, Bureau of Plant Industry.
I. 
The contractor shall place either straw or wood-cellulose mulch immediately after seeding. Straw shall be placed at a minimum uniform rate of 1,200 pounds per 1,000 square yards. An acceptable mechanical blower may be used to apply mulch. Mulch shall be anchored with the following materials:
(1) 
Emulsified asphalt: 31 gallons per 1,000 square yards, minimum.
(2) 
Wood-cellulose: 160 pounds per 1,000 square yards.
(3) 
Nonasphaltic emulsion: 25 pounds per 1,000 square yards.
(4) 
Chemical mulch binders: at manufacturer's recommended rates.

§ 126-17 Insurance requirements.

Any and all contractors performing the repair or demolition of any building or structure shall, at a minimum, maintain insurance in accordance with the Borough's schedule then in effect.

§ 126-18 Violations and penalties.

See Chapter 1, General Provisions, § 1-2, for the general penalty provisions of the Code applicable to this chapter.