024100__Deconstruction_B494.pdf

FKNN152124 B494 DEMO 024100-1

SECTION 024100 - DEMOLITION AND DECONSTRUCTION

PART 1 - GENERAL

1.01 SUMMARY:

A. This Section includes the removal of existing construction to limits as indicated and specified herein. Demolition includes the complete or partial removal and disposal of materials of the following:

1. Building structure.

2. Building foundations.

3. Fencing.

4. Roads or parking area.

5. Piping, valves, manholes, vaults.

6. Elec Service and Duct Banks

7. Sewer, waste, drain utilities.

8. Other items as indicated.

B. Related Work Specified Elsewhere:

1. Hazardous Waste Disposal Spec Section. 021200.

1.02 REFERENCES:

A. Applicable Standards: (Comply with applicable requirements of the following standards).

1. American Association of State Highway and Transportation Officials (AASHTO):

a. M1H5 - Classification of Soils and Soil-Aggregate Mixtures for Highway

Construction Purposes.

b. T180 - Moisture-Density Relations of Soils Using a 4.54 kg (10-lb) Rammer and a

457-mm (18 in) Drop.

2. National Fire Protection Association (NFPA):

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

1.03 SUBMITTALS:

A. Schedule of Demolition:

1. Submit project schedule as specified. Microsoft project or equal.

2. Submit proposed methods and operations of demolition for review prior to the start of

Work. Include in the schedule the coordination for shutoff, capping, and continuation of utility services as required, together with details for dust, noise, and erosion control protection.

3. Provide a detailed sequence of demolition and removal Work to ensure the uninterrupted progress of Government's operations.

4. Provide certificates for demolition plan, deconstruction plan, and notifications.

5. Inventory: After deconstruction is complete, submit a list of items that have been salvaged, recycled and disposed of and documentation (receipts/scale tickets/waybills) showing the quantities.

1402474072N Typewritten Text Attachment 3

1402474072N Typewritten Text 28 June 2016

SECTION 024100 - DEMOLITION AND DECONSTRUCTION: continued

024100-2 FKNN152124

1.04 JOB CONDITIONS:

A. Protections:

1. Notify Federal, State and Local authorities of demolition and deconstruction projects.

Notify the Regional Officer of the United States Environmental Protection Agency (USEPA) and the Contracting Officer within 10 days prior to the start of work.

2. Ensure the safe passage of persons around the area of demolition. Conduct operations to prevent injury to adjacent buildings, structures, other facilities, and persons. Erect temporary covered passageways as required by authorities having jurisdiction.

3. Protect from damage existing finished facilities that are to remain in place and become exposed during demolition operations.

4. Remove protections at completion of Work.

B. Explosives: The use of explosives will not be permitted.

C. Traffic:

1. Conduct demolition operations and the removal of debris to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities.

2. Do not close, block, or otherwise obstruct streets, walks, or other occupied or used facilities without permission from the Contracting Officer. Provide alternate routes around closed or obstructed traffic ways if required by Contracting Officer.

D. Promptly repair damages caused to adjacent facilities by demolition operations at no cost to Government.

E. Utility Services:

1. Maintain existing utilities indicated to remain; keep in service and protect against damage during demolition operations.

2. Do not interrupt existing utilities serving occupied or used facilities, except when authorized in writing by Contracting Officer. Provide temporary services during interruptions to existing utilities.

3. Contractor shall shut off utilities serving each structure. Disconnecting and sealing indicated utilities before starting demolition operations shall be done by Contractor.

4. Coordinate with the 101st Communication Flight prior to terminating any existing communication lines above or below grade.

1.05 QUALITY ASSURANCE:

A. Demolition Firm Qualifications: An experienced firm that has specialized in demolition work similar in material and extent to that indicated for this Project.

B. Refrigerant Recovery Technician Qualifications: Certified by an EPA-approved certification program.

C. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

D. Standard: Comply with ANSI A10.6 and NFPA 241.

E. Pre-demolition Conference: Conduct conference at Project site. Review methods and procedures related to deconstruction including, but not limited to the following.

1. Inspect and discuss condition of building to be deconstructed.

2. Review structural load limitations of existing structure.

3. Review and finalize deconstruction schedule and verify availability of materials, personnel, equipment, and facilities needed to make progress and avoid delays.

4. Review requirements of work performed by other trades that rely on substrates exposed by deconstruction operations.

5. Review areas where existing construction is to remain and requires protection.

FKNN152124 024100-3

6. Review method for removing materials from the site.

7. Review staging area for materials on the site.

1.06 DUST AND DEBRIS CONTROL:

A. Prevent the spread of dust and debris on roads and airfield pavements and avoid the creation of a nuisance or hazard in the surrounding area. Do not use water if it results in hazardous or objectionable conditions such as, but not limited to, ice, flooding, or pollution. Sweep pavements as often as necessary to control the spread of debris that may result in foreign object damage potential to aircraft.

1.07 PROTECTION:

A. Where pedestrian, driver, and aircraft safety is endangered in the area of removal work, use traffic barricades with flashing lights. Notify the Contracting Officer prior to beginning such work.

B. Before beginning any demolition or deconstruction work, survey the site and examine the drawings and specifications to determine the extent of the work. Record existing conditions in the presence of the Contracting Officer showing the condition of structures and other facilities adjacent to areas of alteration or removal. Photographs sized 4 inch (100 mm) will be acceptable as a record of existing conditions.

C. Take necessary precautions to avoid damage to existing items to remain in place, to be reused, or to remain the property of the Government. Repair or replace damaged items as approved by the Contracting Officer. Coordinate the work of this section with all other work indicated.

D. Do not disturb existing construction beyond the extent indicated or necessary for installation of new construction. Provide temporary shoring and bracing for support of building components to prevent settlement or other movement. Provide protective measures to control accumulation and migration of dust and dirt in all work areas. Remove snow, dust, dirt, and debris from work areas daily.

E. Protect trees within the project site which might be damaged during demolition or deconstruction, and which are indicated to be left in place, by a 6 foot (1.8 m) high fence. Erect and secure fence a minimum of 5 feet (1.5 m) from the trunk of individual trees or follow the outer perimeter of branches or clumps of trees. Replace any tree designated to remain that is damaged during the work under this contract with like-kind or as approved by the Contracting Officer.

F. Maintain existing utilities indicated to stay in service and protect against damage during demolition and deconstruction operations. Prior to start of work, utilities serving each building or area of alteration or removal will be disconnected and sealed (locked out tagged out) shut off by the contractor with a 5 day prior written notification to the Government.

G. Protect electrical and mechanical services and utilities. Where removal of existing utilities and pavement is specified or indicated, provide approved barricades, temporary covering of exposed areas, and temporary services or connections for electrical and mechanical utilities. Floors, roofs, walls, columns, pilasters, and other structural components that are designed and constructed to stand without lateral support or shoring, and are determined to be in stable condition, must remain standing without additional bracing, shoring, or lateral support until demolished or deconstructed, unless directed otherwise by the Contracting Officer. Ensure that no elements determined to be unstable are left unsupported and place and secure bracing, shoring, or lateral supports as may be required as a result of any cutting, removal, deconstruction, or demolition work performed under this contract.

H. Before, during and after the demolition and deconstruction work the Contractor shall continuously evaluate the condition of the structure being demolished and deconstructed and take immediate action to protect all personnel working in and around the project site. No area, 024100-4 FKNN152124 section, or component of floors, roofs, walls, columns, pilasters, or other structural element will be allowed to be left standing without sufficient bracing, shoring, or lateral support to prevent collapse or failure while workmen remove debris or perform other work in the immediate area.

1.08 FOREIGN OBJECT DAMAGE (FOD):

A. Aircraft and aircraft engines are subject to FOD from debris and waste material lying on airfield pavements. Remove all such materials that may appear on operational aircraft pavements due to the Contractor's operations. If necessary, the Contracting Officer may require the Contractor to install a temporary barricade at the Contractor's expense to control the spread of FOD potential debris. The barricade must include a fence covered with a fabric designed to stop the spread of debris. Anchor the fence and fabric to prevent displacement by winds or jet/prop blasts. Remove barricade when no longer required.

1.09 RELOCATIONS: SALVAGED TO REMAIN AS GOVERNMENT PROPERTY

A. Perform the removal and reinstallation of relocated items as indicated with workmen skilled in the trades involved. Items to be relocated which are damaged by the Contractor shall be repaired or replaced with new undamaged items as approved by the Contracting Officer.

B. The contractor is shall disconnect, remove and relocate the following government equipment.

These items will be saved or salvaged as government property.

1. Split A/C air conditioning units (4) and associated condensing units.

2. Peerless gas boilers (3) units and associated controls, pumps, valves etc.

3. Electric water heater.

4. Manual disconnect switch.

5. Monaco Fire Alarm panel and Antenna.

6. Air Compressor and the motor start disconnect switch.

7. Security Camera on Northeast corner building to be turned into 101st Security Force.

8. Ceiling Fans in garage bay.

C. The following items will be removed by the government and saved as government property.

1. Genertor Set.

2. No.2 Fuel oil tanks on exterior bldg.

PART 2 - PRODUCTS

2.01 SALVAGE OF MATERIALS:

A. All other existing construction and items to be removed shall be considered waste and shall become the property of Contractor. Remove from the site.

2.02 HANDLING AND STORAGE:

A. Carefully dismantle Equipment and Materials to be reused or returned to Government in a manner to avoid damage.

B. Store Equipment and Materials to be reused in a manner to avoid corrosion, staining, breakage or damage from any cause.

2.03 FILL MATERIAL:

A. Common fill in areas not under road or parking limits or paved areas.

B. 6 inches Base granular fill ( MDOT 703.06 Type A) in areas to be repaved.

C. 18 inches Sub-base granular fill (MDOT 703.06 Type D) in areas to be repaved.

D. Bituminous pavement wearing course (MDOT 703.09 9.5mm) in areas to be repaved.

FKNN152124 024100-5

E. Bituminous pavement binder course (MDOT 703.09 12.5mm) in areas to be repaved.

PART 3 - EXECUTION

3.01 INSPECTION:

A. Prior to commencement of demolition Work, inspect areas in which demolition will be performed. Photograph existing conditions of structures, surfaces, equipment, or surrounding properties which could be misconstrued as damage resulting from demolition operations. File with Contracting Officer prior to starting Work.

3.02 PREPARATION:

A. Provide interior and exterior shoring, bracing, or support to prevent movement, settlement, or collapse of structures to be demolished and adjacent facilities to remain:

1. Cease operations and notify Contracting Officer immediately if safety of structure appears to be endangered. Take precautions to support structure until determination is made for continuing operations.

B. Locate, identify, stub off, and disconnect utility services that are indicated to remain:

1. Provide bypass connections as necessary to maintain continuity of service to occupied areas of building. Provide minimum of 72 hours' advance notice to Contracting Officer if shutdown of service is necessary during changeover. When utility lines are encountered that are not indicated on the drawings, the Contracting Officer shall be notified prior to continuation of work in that area.

3.03 DEMOLITION:

A. Remove existing structures indicated to be removed. Remove completely. Remove foundations.

Remove basement slabs. Remove sidewalks, curbs, gutters and street light bases as indicated.

B. Deconstruct structures in a systematic manner from the top of the structure to the ground.

Complete demolition work above each tier or floor before the supporting members on the lower level are disturbed. Deconstruct concrete and masonry walls in small sections. Remove structural framing members and lower to ground by means of derricks, platforms hoists, or other suitable methods as approved by the Contracting Officer.

C. Locate demolition and deconstruction equipment throughout the structure and remove materials so as to not impose excessive loads to supporting walls, floors, or framing.

D. Building, or the remaining portions thereof, not exceeding 80 feet (25 m) in height may be demolished by the mechanical method of demolition.

E. Sawcut concrete and asphaltic concrete paving and slabs including aggregate base as indicated.

Provide neat sawcuts at limits of pavement removal as indicated. Pavement and slabs not to be used in this project shall be removed from the Installation at Contractor's expense.

F. Remove existing roof system and associated components in their entirety down to existing roof deck.

G. Sawcut and remove masonry so as to prevent damage to surfaces to remain. Where new masonry adjoins existing, the new work shall abut or tie into the existing construction as indicated.

Provide square, straight edges and corners where existing masonry adjoins new work and other locations.

H. Saw concrete along straight lines to a depth of a minimum 2 inch (50 mm). Make each cut in walls perpendicular to the face and in alignment with the cut in the opposite face. Break out the remainder of the concrete provided that the broken area is concealed in the finished work, and the

024100-6 FKNN152124

remaining concrete is sound. At locations where the broken face cannot be concealed, grind smooth or saw cut entirely through the concrete. Salvage removed concrete.

I. Dismantle structural steel at field connections and in a manner that will prevent bending or damage. Flame-cutting torches are permitted when other methods of dismantling are not practical.

J. Salvage shop-fabricated items such as access doors and frames, steel gratings, metal ladders, wire mesh partitions, metal railings, metal windows and similar items as whole units. Salvage light-gage and cold-formed metal framing, such as steel studs, steel trusses, metal gutters, roofing and siding, metal toilet partitions, toilet accessories and similar items. Recycle scrap metal as part of demolition and deconstruction operations. Provide separate containers to collect scrap metal and transport to a scrap metal collection or recycling facility, in accordance with the Waste Management Plan.

K. Chip or shred and recycle salvaged wood unfit for reuse, except stained, painted, or treated wood.

Remove windows, doors, frames, and cabinets, and similar items as whole units, complete with trim and accessories. Brace the open end of door frames to prevent damage.

L. Remove existing carpet for reclamation in accordance with manufacturer recommendations and as follows. Remove used carpet in large pieces, roll tightly, and pack neatly in a container.

Remove adhesive according to recommendations of the Carpet and Rug Institute (CRI).

Adhesive removal solvents shall comply with CRI 104. Recycle removed carpet cushion.

M. Remove, neatly stack, and recycle acoustic ceiling tiles. Recycling may be available with manufacturer. Otherwise, priority shall be given to a local recycling organization.

N. Recover all refrigerants prior to removing air conditioning, refrigeration, and other equipment containing refrigerants and dispose of in accordance with the paragraph entitled "Disposal of Ozone Depleting Substance (ODS)." Turn in salvaged Class I ODS refrigerants as specified in paragraph, "Salvaged Materials and Equipment."

O. Remove all fire suppression system cylinders and canisters and dispose of in accordance with the paragraph entitled "Disposal of Ozone Depleting Substance (ODS)."

P. The Contractor shall remove all locksets from all swinging doors indicated to be removed and disposed of. Deliver the locksets and removable cylinders and related items to a designated location for receipt by the Contracting Officer after removal.

Q. Mechanical Equipment and Fixtures:

1. Disconnect mechanical hardware at the nearest connection to existing services to remain, unless otherwise noted. Mechanical equipment and fixtures must be disconnected at fittings. Remove service valves attached to the unit. Salvage each item of equipment and fixtures as a whole unit; listed, indexed, tagged, and stored. Salvage each unit with its normal operating auxiliary equipment. Transport salvaged equipment and fixtures, including motors and machines, to a designated storage area as directed by the Contracting Officer. Do not remove equipment until approved.

2. Remove water, dirt, dust, and foreign matter from units; tanks, piping and fixtures shall be drained; interiors, if previously used to store flammable, explosive, or other dangerous liquids, must be steam cleaned. Seal openings with caps, plates, or plugs. Secure motors attached by flexible connections to the unit. Change lubricating systems with the proper oil or grease.

3. Disconnect piping at unions, flanges and valves, and fittings as required to reduce the pipe into straight lengths for practical storage. Store salvaged piping according to size and type. If the piping that remains can become pressurized due to upstream valve failure, end caps, blind flanges, or other types of plugs or fittings with a pressure gage and bleed valve shall be attached to the open end of the pipe to ensure positive leak control. Carefully dismantle piping that previously contained gas, gasoline, oil, or other

FKNN152124 024100-7

dangerous fluids, with precautions taken to prevent injury to persons and property. Store piping outdoors until all fumes and residues are removed. Box prefabricated supports, hangers, plates, valves, and specialty items according to size and type. Wrap sprinkler heads individually in plastic bags before boxing. Classify piping not designated for salvage, or not reusable, as scrap metal.

4. Classify removed duct work as scrap metal.

5. Remove and salvage fixtures, motors and machines associated with plumbing, heating, air conditioning, refrigeration, and other mechanical system installations. Salvage, box and store auxiliary units and accessories with the main motor and machines. Tag salvaged items for identification, storage, and protection from damage. Classify broken, damaged, or otherwise unserviceable units and not caused to be broken, damaged, or otherwise unserviceable as debris to be disposed of by the Contractor.

R. Electrical Equipment and Fixtures:

1. Salvage motors, motor controllers, and operating and control equipment that are attached to the driven equipment. Salvage wiring systems and components. Box loose items and tag for identification. Disconnect primary, secondary, control, communication, and signal circuits at the point of attachment to their distribution system.

2. Remove and salvage electrical fixtures. Salvage unprotected glassware from the fixture and salvage separately. Salvage incandescent, mercury-vapor, and fluorescent lamps and fluorescent ballasts manufactured prior to 1978, boxed and tagged for identification, and protected from breakage.

3. Remove and salvage switches, switchgear, transformers, conductors including wire and nonmetallic sheathed and flexible armored cable, regulators, meters, instruments, plates, circuit breakers, panelboards, outlet boxes, and similar items. Box and tag these items for identification according to type and size.

4. Remove and salvage wiring ducts or troughs. Dismantle plug-in ducts and wiring troughs into unit lengths. Remove plug-in or disconnecting devices from the busway and store separately.

5. Salvage conduit except where embedded in concrete or masonry. Consider corroded, bent, or damaged conduit as scrap metal. Sort straight and undamaged lengths of conduit according to size and type. Classify supports, knobs, tubes, cleats, and straps as debris to be removed and disposed.

S. Remove elevators, hoists, and similar conveying equipment and salvage as whole units, to the most practical extent. Remove and prepare items for salvage without damage to any of the various parts. Salvage and store rails for structural steel with the equipment as an integral part of the unit.

T. Remove and dispose of items with unique or regulated disposal requirements in the manner dictated by law or in the most environmentally responsible manner.

3.04 CONCURRENT EARTH-MOVING OPERATIONS:

A. Do not begin excavation, filling, and other earth-moving operations that are sequential to demolition or deconstruction work in areas occupied by structures to be demolished or deconstructed until all demolition and deconstruction in the area has been completed and debris removed. Fill holes, open basements and other hazardous openings.

3.05 DISPOSAL OF OZONE DEPLETING SUBSTANCE (ODS):

A. Class I and Class II ODS are defined in Section, 602(a) and (b), of The Clean Air Act. Prevent discharge of Class I and Class II ODS to the atmosphere. Place recovered ODS in cylinders meeting AHRI Guideline K suitable for the type ODS (filled to no more than 80 percent capacity)

024100-8 FKNN152124

and provide appropriate labeling. Recovered ODS shall be reclaimed and removed from Government property and disposed of in accordance with 40 CFR 82]. Copies of the Manifest of disposal of ODS shall be provide to the government. Products, equipment and appliances containing ODS in a sealed, self-contained system (e.g. residential refrigerators and window air conditioners) shall be disposed of in accordance with 40 CFR 82.

B. No more than one type of ODS is permitted in each container. A warning/hazardous label shall be applied to the containers in accordance with Department of Transportation regulations. All cylinders including but not limited to fire extinguishers, spheres, or canisters containing an ODS shall have a tag with the following information:

1. Activity name and unit identification code.

2. Activity point of contact and phone number.

3. Type of ODS and pounds of ODS contained.

4. Date of shipment.

5. Naval stock number (for information, call (804) 279-4525).

3.06 SALVAGE MATERIALS:

A. Salvage Items:

1. Where indicated on Drawings or in paragraph 1.09 carefully remove items. Clean, store and turn over to Owner and obtain receipt.

2. Historic artifacts, including cornerstones, and their contents, commemorative plaques and tablets, antiques, and other articles of historic significance remain the property of Government. Notify COR if such items are encountered, and obtain acceptance regarding method of removal and salvage for Government.

3.07 CONNECTIONS TO EXISTING CONSTRUCTION:

A. Cut and remove portions of existing construction as required to allow for proper installation of new construction.

B. Shore and brace existing structure until permanent supports are completed, and to maintain structure in a safe condition.

C. Repair all damage as a result of installation of shoring and bracing.

D. Cap, seal, or abandon pipe and cable as indicated.

3.08 CLEANUP AND REPAIR:

A. Upon completion of demolition Work, remove tools, equipment, and demolished materials from site. Remove protections and leave interior areas broom clean.

B. Repair demolition performed in excess of that required. Return structures and surfaces that will remain to condition existing prior to commencement of demolition Work. Repair adjacent construction or surfaces soiled or damaged by demolition Work.

END OF SECTION 024100