Structure_Demolition_Specifications.docx

SECTION 024116 - STRUCTURE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Demolishing designated structures.

2. Demolishing designated foundations.

3. Demolishing designated slabs-on-grade.

4. Disconnecting and capping designated utilities.

5. Removing designated items for reuse and Owner's retention.

6. Removing demolished materials.

1.2 PREINSTALLATION MEETINGS

A. Convene minimum one week prior to commencing Work of this Section.

1.3 SCHEDULING

A. Describe demolition removal procedures and schedule.

B. Perform Work between the hours of 7:30 a.m. and 4:30 p.m. only.

1.4 SUBMITTALS

A. Shop Drawings: Indicate:

1. Demolition and removal sequence and location of salvageable items.

2. Location and construction of barricades fences and temporary Work.

B. Permits: Submit copies of permits required by regulatory agencies for demolition and sidewalk and street closings.

C. Qualifications Statements:

1. Submit qualifications for demolition firm and licensed professional.

2. Submit qualifications for Asbestos Contained Material removal.

1.5 CLOSEOUT SUBMITTALS

A. Project Record Documents: Accurately record actual locations of capped utilities, subsurface obstructions.

B. Operation and Maintenance Data: Submit description of system, inspection data, and parts lists.

1.6 QUALITY ASSURANCE

A. Perform Asbestos removal Work according to Environmental Protection Association and AHERA standards.

B. Conform to applicable code for demolition of structures, safety of adjacent structures, dust control, runoff control and disposal.

C. Conform to applicable code for procedures when hazardous or contaminated materials are discovered.

D. Permits: Obtain required permits from authorities having jurisdiction.

E. Maintain one copy of document on-Site.

1.7 QUALIFICATIONS

A. Demolition Firm: Company specializing in performing Work of this Section with minimum three years' documented experience.

1.8 EXISTING CONDITIONS

A. Buildings indicated to be demolished is vacated.

B. Owner assumes no responsibility for actual condition of buildings to be demolished.

C. Notify Owner upon discovery of hazardous materials.

D. Hazardous Materials: Known hazardous materials shall be identified before start of Work.

E. Do not sell demolished materials on-Site.

F. Maintain existing sidewalks to greatest extent possible.

2.1 Not Used.

2.2 FILL MATERIALS

A. Fill Material: Type native soil fill, as specified in Statement of Work

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine existing buildings indicated to be demolished before demolition.

B. Determine where removals may result in structural deficiency or unplanned building collapse during demolition. Coordinate demolition sequence and procedures to prevent structures from becoming unstable.

C. Determine where demolition may affect structural integrity or weather resistance of adjacent buildings indicated to remain.

1. Identify measures required to protect buildings from damage.

2. Identify remedial Work including patching, repairing, bracing, and other Work required to leave buildings indicated to remain in structurally sound, weathertight, and watertight condition.

D. Verify existing hazardous material before beginning demolition.

E. Existing Building Documentation

1. Document condition of adjacent structures indicated to remain.

2. Provide following graphic documentation:

a. Photographically document existing building exterior before beginning demolition and after completing demolition.

b. Take one overall photograph of each exterior wall. Take detail photographs to show full height of building facade.

c. Photographs:

1) Submit CD copies with photographs in individual files; jpeg format.

2) Identify photographs with date, time, orientation, and Project identification.

3) Deliver digital files to Owner with Project record documents with thumbnails; catalog and index thumbnails with table of contents.

3.2 PREPARATION

A. Call local utility line information service not less than three working days before performing Work.

1. Request underground utilities to be located and marked within and surrounding construction areas.

B. Notify affected utility companies before starting Work and comply with utility's requirements.

C. Do not close or obstruct roadways sidewalks and hydrants without permits.

D. Erect and maintain temporary barriers and security devices, including warning signs and lights, and similar measures, for protection of the public.

E. Protect existing landscaping materials trees appurtenances structures to remain.

F. Prevent movement or settlement of adjacent structures. Provide bracing and shoring.

3.3 DEMOLITION

A. General:

1. Use of explosives is not permitted.

2. Conduct demolition to minimize interference with adjacent structures.

3. Cease operations immediately when adjacent structures appear to be in danger. Notify authority having jurisdiction. Do not resume operations until directed.

4. Conduct operations with minimum interference to public or private accesses to occupied adjacent structures. Maintain continuous egress and access from adjacent structures.

5. Obtain written permission from adjacent property owners when demolition equipment will traverse, infringe upon, or limit access to their property.

6. Sprinkling:

a. Sprinkle Work with water to minimize dust.

b. Provide hoses and water connections required for this purpose.

B. Capped Utilities:

1. Disconnect and cap designated utilities to street connection.

2. Identify utilities at termination of demolition.

3. Record termination or capped location on Record Documents.

C. Remove foundation walls and footings to minimum of two ft. below finished grade.

D. Remove concrete slabs-on-grade.

E. Break up concrete slabs-on-grade to permit natural moisture drainage.

F. Remove all unbroken exterior wall stones greater than 12” to be re-installed or retained in manner to prevent damage; store and protect according to Agency Facilities Manger recommendations.

END OF STRUCTURE DEMOLITION 024116

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STRUCTURE DEMOLITION