ESBD_433095_1751482970978_SOL_EXH_F.9_405-25R0014809_Selective Demolition.pdf

JUNE 01, 2016 TXDPS Facilities Bureau

Spec Rev. 06-2016

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SECTION 02 41 19 - SELECTIVE DEMOLITION

PART 1 – GENERAL

1.1 SUMMARY

A. Section Includes:

1. Demolishing designated building equipment and fixtures.

2. Demolishing designated construction.

3. Cutting and alterations for completion of the Work.

4. Removing designated items for reuse and Owner’s retention.

5. Protecting items designated to remain.

6. Removing demolished materials.

1.2 SUBMITTALS

A. Requirements for submittals. As specified.

B. Demolition Schedule: Indicate overall schedule and interruptions required for utility and building services.

1.3 CLOSEOUT SUBMITTALS

A. Requirements for submittals. As specified.

B. Project Record Documents: Accurately record actual locations of capped utilities, concealed utilities discovered during demolition, and subsurface obstructions.

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

1.4 QUALITY ASSURANCE

A. Conform to applicable code for demolition work, dust control, products requiring electrical disconnection and re-connection.

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

C. Obtain required permits from authorities having jurisdiction.

1.5 PRE-INSTALLATION MEETINGS

A. Project Meetings: Pre-installation meeting. As specified.

B. Convene minimum one week prior to commencing work of this section.

1.6 SEQUENCING

A. Summary of Work: Requirements for sequencing. As specified.

B. Sequence activities in the following order and stages.

1. Coordinate with the Owner and Architect order of work.

1.7 SCHEDULING

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A. Schedule Work to coincide with hazardous materials and other trades on site.

B. Cooperate with Owner in scheduling noisy operations and waste removal that may impact Owners operation and in adjoining spaces.

C. Coordinate utility and building service interruptions with Owner.

1. Do not disable or disrupt building fire or life safety systems without seven days prior written notice to Owner.

2. Schedule tie-ins to existing systems to minimize disruption.

1.8 PROJECT CONDITIONS

A. Conduct demolition to minimize interference with adjacent and occupied building areas.

B. Cease operations immediately if structure appears to be in danger and notify Architect/Engineer. Do not resume operations until directed.

C. Notify Architect upon discovery of unknown hazardous materials.

D. Refer to Asbestos and Lead Abatement Specifications for known hazardous materials.

E. TXDPS assumes no responsibility for actual condition of items to be removed.

Note: Conditions existing at time of commencement of contract will be maintained by TXDPS in so far as practicable. However, variations may occur due to TXDPS’s operations prior to start of selective demolition work.

F. Provide temporary barricades and other forms of protection as required to:

1. Protect TXDPS’s personnel and general public from injury due to selective demolition work.

2. Provide protective measures as required to provide free and safe passage of the TXDPS’s personnel and general public to and from occupied portions on site.

3. Erect temporary covered passageways as required by authorities having jurisdiction.

4. Protect from damage existing work that is to remain in place and becomes exposed during demolition operations.

5. Protect surfaces with suitable coverings when necessary.

6. Remove protection at completion of work.

G. Promptly repair damages caused to adjacent facilities by demolition work at no cost to TXDPS.

H. Conduct selective demolition operations and debris removal in a manner to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities.

I. Maintain existing utilities unless indicated to be removed, keep in service, and protect against damage during demolition operations.

Note: Do not interrupt existing utilities, except when authorized in writing by authorities having jurisdiction. Provide temporary services during interruption to existing utilities, as acceptable to governing authorities.

PART 2 – PRODUCTS - Not applicable.

PART 3 – EXECUTION

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3.1 PREPARATION

A. Notify affected utility companies before starting work and comply with their requirements.

B. Mark location and termination of utilities.

C. Erect, and maintain temporary barriers and security devices, including warning signs and lights, and similar measures, for protection of the public, Owner, and existing improvements indicated to remain.

D. Erect and maintain weatherproof closures for exterior openings.

E. Erect and maintain temporary partitions to prevent spread of dust, odors, and noise to permit continued

Owner occupancy.

F. Prevent movement of structure; provide temporary bracing and shoring required to ensure safety of existing structure.

G. Provide appropriate temporary signage including signage for exit or building egress.

H. Do not close or obstruct building egress path.

3.2 SALVAGE REQUIREMENTS

A. Coordinate with Owner to identify building components and equipment required to be removed and delivered to Owner.

B. Tag components and equipment Owner designates for salvage.

C. Protect designated salvage items from demolition operations until items can be removed.

D. Carefully remove building components and equipment indicated to be salvaged.

E. Disassemble as required to permit removal from building.

F. Package small and loose parts to avoid loss.

G. Mark equipment and packaged parts to permit identification and consolidation of components of each salvaged item.

H. Prepare assembly instructions consistent with disassembled parts. Package assembly instructions in protective envelope and securely attach to each disassembled salvaged item.

I. Deliver salvaged items to Owner. Obtain signed receipt from Owner.

3.3 DEMOLITION

A. Conduct demolition to minimize interference with adjacent and occupied building areas.

B. Maintain protected egress from and access to adjacent existing buildings at all times.

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

D. Cease operations immediately when structure appears to be in danger and notify TXDPS.

E. Disconnect and remove selected utilities within demolition areas.

F. Cap and identify abandoned utilities at termination points when utility is not completely removed.

G. Annotate Record Drawings indicating location and type of service for capped utilities remaining after demolition.

H. Demolish in orderly and careful manner. Protect existing improvements, supporting structural members.

I. Carefully remove building components indicated to be reused.

1. Disassemble components as required to permit removal.

2. Package small and loose parts to avoid loss.

3. Mark components and packaged parts to permit reinstallation.

4. Store components, protected from construction operations, until reinstalled.

J. Remove demolished materials from site except where specifically noted otherwise. Do not burn or bury materials on site.

K. Remove materials as Work progresses. Upon completion of Work, leave areas in clean condition.

L. Remove temporary Work.

END OF SECTION

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