02_41_00_-_DEMOLITION.pdf

Okaloosa County June 2025 “ITB TDD 65-26” Issue for Bid

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SECTION 02 41 00

DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. General provisions applicable to all demolition and removals.

2. Civil/site demolition and removals.

3. Disposal of demolition debris, materials, and equipment.

B. Related Requirements: Include, but are not necessarily limited to:

1. Section 03 31 30 - Concrete Materials and Proportioning.

2. Section 31 10 00 - Site Clearing.

3. Section 31 23 05 - Excavation and Fill

1.2 REFERENCES

A. Reference Standards: Standards referenced in this section include, but are not necessarily limited to, the following:

1. National Fire Protection Association (NFPA):

a. 241 - Safeguarding Construction, Alteration, and Demolition Operations.

1.3 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Review procedures under this and other Sections and coordinate the Work that will be performed with, or before, demolition and removals.

1.4 QUALITY ASSURANCE

A. Regulatory Requirements:

1. Comply with requirements of authorities having jurisdiction and relevant permits, if any, required and obtained for demolition Work.

1.5 SUBMITTALS

A. Informational Submittals: Submit the following:

1. Procedure Submittals:

a. Demolition and Removal Plan: Not less than ten days prior to starting demolition Work, submit acceptable plan for demolition and removal Work, including:

1) Plan for coordinating shut-offs, capping, temporary services, and continuing utility services.

2) General indication of intended approach for performing demolition Work, including how proposed demolition will affect Owner and others, including owners and occupants of properties at and adjacent to the Site and the public.

3) Disposal and recycling facilities proposed, including facility owner, facility name, location, and processes. Include copy of appropriate permits and licenses, and compliance status.

4) Planned demolition operating sequences, relative to their effect on Owner and others, including owners and occupants of properties at and adjacent to the Site and the public.

5) Detailed schedule of demolition Work in accordance with the Progress Schedule accepted by Engineer.

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6) Copy of demolition permit (when required) obtained from authorities having jurisdiction.

b. Engineer’s review, comments upon, and acceptance of Contractor’s procedure Submittals for demolition are only for the limited purposes indicated in the Contract Documents. Engineer’s review, comments upon, action, or inaction concerning such Submittals, shall not, in any way, reduce or mitigate Contractor’s sole responsibility for construction means, methods, techniques, procedures, and sequences, or associated safety and protection measures.

2. Notification of Intended Demolition Start: Submit in accordance with Paragraph 3.1.B of this Section.

3. Field Quality Control Test Results:

a. Results of megger-testing of existing motors that will remain Owner’s property.

1.6 FIELD CONDITIONS

A. Existing Conditions:

1. Owner and Engineer make no representation of condition or structural integrity of areas to be demolished or where removals are required by the Contract Documents.

PART 2 - PRODUCTS - (NOT USED)

PART 3 - EXECUTION

3.1 PREPARATION

A. Notification:

1. Not less than 48 hours prior to commencing demolition or removal, advise Engineer in writing of planned start of demolition Work. Do not start removals when either Owner or Engineer furnishes reasonable objection in a timely manner.

2. Where demolition or removal has potential to affect adjacent properties, occupants, streets, or other public thoroughfare, transportation facilities, utilities, water courses, or any combination thereof, furnish required notices to owners and occupants of properties, buildings, and structures that may be affected by the demolition or removal.

3. In accordance with Laws and Regulations, and applicable permits, furnish to authorities having jurisdiction, including emergency services as necessary, appropriate notices of planned demolition and removals.

4. Submit to Engineer copies of notices furnished to adjacent property owners, occupants, and authorities having jurisdiction.

B. Protection of In-Place Conditions:

1. Perform demolition and removal Work in manner that prevents damage and injury to property, structures, occupants, the public, and facilities. Do not interfere with use of, and free and safe access to and from, buildings, structures, and properties, unless allowed by the Contract Documents or otherwise allowed in writing by Owner.

2. Closing or obstructing roads, drives, sidewalks, and passageways adjacent to the Work is not allowed unless indicated otherwise in the Contract Documents. Perform the Work with minimum interference to vehicular and pedestrian traffic.

3. Provide temporary partitions between demolition work areas and (a) areas that will be occupied during demolition and removals, and (b) areas accessible to the public or visitors.

Temporary partitions shall be sturdy, braced plywood in good condition, of dimensions sufficient to adequately screen demolition work from view of occupants, public, and visitors.

Maintain temporary partitions in place until demolition and removal Work in the subject area is complete or until other work requires removal of temporary partitions.

4. Provide appropriate temporary barriers, lighting, sidewalk sheds, and other necessary protection.

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5. Repair damage to facilities not subject to demolition or removal when such damage results from Contractor’s action or inaction.

C. Existing Utilities: In addition to requirements of the General Conditions, as may be modified by the Supplementary Conditions, and other Division 01 Specifications, perform the following:

1. Should unforeseen, unknown, or incorrectly shown or indicated Underground Facilities be encountered, Contractor responsibilities shall be in accordance with the General Conditions, as may be modified by the Supplementary Conditions. Cooperate with utility owners in keeping adjacent services and facilities in operation.

2. Storm Water Sewerage: Existing storm water system shall remain in place until demolition of existing building or structure is complete. Upon completing demolition, cut and cap storm sewerage at locations shown on the Drawings. Remove existing storm water piping and related structures between points of cutting, and backfill, restore to grade, and stabilize the area over the removed facilities in accordance with the Contract Documents.

3. Coordinate with utility owners relative to demolition and removal Work. Where utility owner requires that only the associated utility owner modify, disconnect, cap, or any combination thereof, its associated utility service, pay the utility owner for performing such modification, disconnection, capping, or other necessary work.

4. Shutdown of utility services shall be coordinated by Contractor, assisted by Owner as required relative to contacting utility owners.

D. Remediation:

1. If unanticipated Hazardous Environmental Condition is believed to be encountered during demolition and removals, comply with requirements of the General Conditions, as may be modified by the Supplementary Conditions.

3.2 DEMOLITION - GENERAL

A. General, Common Requirements for Demolition and Removal Work:

1. Contractor shall provide all labor, materials, construction equipment and machinery, tools, services (including professional services when necessary), and incidentals as shown, specified and required for demolition, removals, and disposal Work.

2. The Work under this Section includes, but is not necessarily limited to:

a. Demolition and removal of existing materials and equipment as shown or indicated in the Contract Documents.

3. Demolition and removals indicated in other Sections shall comply with requirements of this

Section.

4. Perform demolition Work as shown or indicated on the Drawings and as indicated elsewhere in the Contract Documents.

5. Pay for transporting and, as applicable, disposing of materials and equipment resulting from demolition and removals Work.

6. Locate construction equipment used for demolition Work and remove demolished materials and equipment to avoid imposing excessive loading on supporting and adjacent walls, floors, framing, facilities, and Underground Facilities.

B. Pollution Controls:

1. Use water sprinkling, temporary enclosures, and other suitable methods to limit emissions of dust and dirt to lowest practical level.

2. Do not use water when water may create hazardous or objectionable conditions such as icing, flooding, or pollution.

3. Clean adjacent structures, facilities, properties, and improvements of dust, dirt, and debris caused by demolition Work, in accordance with the General Conditions.

C. Explosives:

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1. Explosives are not allowed at the Site. Do not use explosives for demolition and removal Work.

2. Do not bring explosives to the Site or use explosives without written consent of Owner and authorities having jurisdiction. Obtaining such written consent will not relieve Contractor of responsibility for injury or damage caused by Contractor’s blasting operations.

3. Limiting Criteria for Vibration, Particle Velocity, and Air Overpressure:

a. Vibration, frequency, peak particle velocity, and air overpressure generated by demolition shall not exceed limits established by Laws or Regulations, 43 CFR Part 423 section 24.1.8 (“Damage Control”), and limits established by authorities having jurisdiction. When such requirements conflict, comply with the most-stringent requirement.

D. Salvage and Ownership:

1. The following applies to materials and equipment to remain Owner’s property:

a. Contractor shall carefully remove and appropriately handle materials and equipment to remain Owner’s property in manner avoids damaging and invalidating warranties in effect for such items. Brace motors attached to flexible mountings until reinstallation or delivery to Owner’s storage location. Fully remedy to pre-construction condition or replace items damaged during removal, handling, or storage by Contractor.

b. Remove, as functional units, together with all appurtenances required for operation.

c. Clean and tag for storage, items to remain Owner’s property, and maintain comprehensive, detailed listing of such items. Update such listing when items are relocated.

d. Protect from damage.

e. Deliver to designated storage location at the Site, or other site, indicated in the Contract

Documents, at place designated by Engineer or Owner.

2. Items to be and delivered to Owner are as indicated in Drawings.

3. Preparation of Owner’s existing equipment for storage:

a. Where appropriate, identify each component with markings or tags to indicate its position in the assembly and the assembly of which it is part.

b. Place small parts in appropriate, durable boxes and clearly mark contents on the outside of box or container.

c. Remove oil from oil-lubricated bearings and gear boxes and replace with storage oil.

d. Provide grease for grease-lubricated bearings.

e. Replace breather plugs with solid plugs.

f. Megger-test motor windings: Attach report of the test results to the associated motor and submit copy to Engineer.

g. Attach unit to suitable crate bottom.

h. Enclose unit in polyethylene film and seal all seams and the film to the base of the unit with tape.

i. Construct crate of wood slats around top and sides of unit.

j. Attach permanent instruction tag to outside of crate stating: “This unit has been prepared for storage. Replace oil, vent plugs, and lubricant in accordance with manufacturer's instructions before start-up.”

3.3 DEMOLITION OF SITE IMPROVEMENTS

A. Pavement, Sidewalks, Curbs, and Gutters:

1. Demolition of asphalt or concrete pavement, sidewalks, curbs, and gutters, as applicable, shall terminate at cut edges. Edges shall be linear and have a vertical cut face.

2. To cut pavement, sidewalks, curbs, and gutters, use machinery or tools that provide a smooth-cut edge, appropriate for the required result. Where cut edges are not smooth and vertical, appropriately repair cut edge to remain, or provide new cut (in accordance with the

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Contract Documents) through sound material not less than six inches from original cut, providing smooth, even appearance.

B. Fencing, Guardrails, and Bollards:

1. Remove to the limits shown or indicated on the Drawings.

2. Completely remove below-grade posts and concrete.

C. Manholes, Vaults, Chambers, and Handholes:

1. Remove to the limits shown or indicated on the Drawings.

2. If not shown or indicated on the Drawings, remove to not less than three feet below finished grade indicated on the Drawings.

3. Where a portion of manhole, vault, handhole, or similar structure remains in-place, backfill portion of item that will remain with material as indicated in the “Underground Facilities Other than Manholes, Vaults, Chambers, and Handholes” provision, below, of this Article.

D. Underground Facilities Other than Manholes, Vaults, Chambers, and Handholes:

1. Remove to the extent shown or indicated on the Drawings.

2. Unless otherwise shown or indicated, cap ends of piping to remain in place in accordance with the “Mechanical Removals” Article of this Section.

3. Completely fill, with flowable fill (controlled low-strength material), the following

Underground Facilities that will be abandoned in-place:

a. Portions of manholes, vaults, handholes, and similar items that will remain in-place.

b. Buried piping 4 inches in diameter and larger.

c. As indicated on Contract Document.

4. Provide flowable fill in accordance with Section 31 23 05 - Excavation and Fill.

E. Landscaping: Comply with Section 31 10 00 - Site Clearing.

F. Other Site Improvements: When the Contract Documents require removal of other site improvements not addressed above, comply with Contract requirements for removal of buildings or structures.

3.4 DISPOSAL OF DEMOLITION DEBRIS

A. Disposal – General:

1. Promptly remove from the Site all debris, waste, rubbish, material, and equipment resulting from demolition and removal Work. Promptly upon completion of demolition and removal Work, remove from the Site construction equipment used in demolition Work.

2. Do not sell at, or adjacent to, the Site demolition materials or removed equipment and items. If materials, equipment or debris will be sold by Contractor, remove the items from the Site and adjacent areas, and perform the sale or transaction elsewhere, in accordance with Laws and Regulations.

3. Cleaning and Removal of Debris: Comply with the General Conditions, Supplementary Conditions, and Section 01 74 00 - Cleaning.

B. Transportation and Disposal:

1. Non-Hazardous Materials, Equipment, and Debris: Properly transport and dispose of non-hazardous demolition materials, equipment, and debris at appropriate landfill or other suitable location, in accordance with Laws and Regulations. Non-hazardous material does not contain Constituents of Concern such as (but not limited to) asbestos, PCBs, petroleum, hazardous waste, radioactive material, or other material designated as hazardous in Laws or Regulations.

2. Hazardous Materials, Equipment, and Debris: When handling and disposal of items containing Constituents of Concern is included in the Work, properly transport and dispose of such items in accordance with the Contract Documents and Laws and Regulations.

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C. Submit to Engineer information required in this Section on proposed facilities where demolition materials, equipment, and debris will be recycled. Upon request, Engineer or Owner, shall be allowed to visit recycling facilities to verify adequacy and compliance status. During such visits, recycling facility operator shall cooperate and assist Engineer and Owner.

END OF SECTION

b. Engineer’s review, comments upon, and acceptance of Contractor’s procedure Submittals for demolition are only for the limited purposes indicated in the Contract Documents. Engineer’s review, comments upon, action, or inaction concerning such Submit...

4. Provide flowable fill in accordance with Section 31 23 05 - Excavation and Fill.

C. Submit to Engineer information required in this Section on proposed facilities where demolition materials, equipment, and debris will be recycled. Upon request, Engineer or Owner, shall be allowed to visit recycling facilities to verify adequacy a...

END OF SECTION