Attachment 4 - Specifications 20220520.pdf

M|P Project # 0110.21.001 SET NO. _______

PROJECT MANUAL

MAHG181009

RENOVATE B4431

VECTRUS

KAFB

627 Parade Ln | Bldg. 4431 | KAFB, Biloxi | Mississippi 39534

REV 0 – Issued for Construction May 20, 2022

Machado|Patano, PLLC M|P Design Group, PLLC

Friday, May 20, 2022 REV 0: Issued For Construction

0110.21.001 / KAFB Renovate B4431 000110 - 1 Table of Contents

SECTION 000110

TABLE OF CONTENTS

PROCUREMENT AND CONTRACTING REQUIREMENTS

1.01 DIVISION 00 -- PROCUREMENT AND CONTRACTING REQUIREMENTS

A. 000110 - Table of Contents

SPECIFICATIONS

2.01 DIVISION 01 -- GENERAL REQUIREMENTS

2.02 DIVISION 02 -- EXISTING CONDITIONS

A. 024100 - Demolition B. 024200 - Selective Demolition with KAFB Supplement

2.03 DIVISION 03 -- CONCRETE

A. 030516 - Underslab Vapor Barrier B. 032000 - Concrete Reinforcing C. 033000 - Cast-in-Place Concrete D. 033680 - Concrete Polishing and Dyeing E. 036200 - Non-Shrink Grouting

2.04 DIVISION 04 -- MASONRY

2.05 DIVISION 05 -- METALS

A. 053100 - Steel Decking B. 054000 - Cold-Formed Metal Framing

2.06 DIVISION 06 -- WOOD, PLASTICS, AND COMPOSITES

A. 061000 - Rough Carpentry B. 064100 - Architectural Wood Casework

2.07 DIVISION 07 -- THERMAL AND MOISTURE PROTECTION

A. 072100 - Thermal Insulation B. 074213 - Metal Wall Panels C. 075216 - Styrene-Butadiene-Styrene Modified Bituminous Membrane Roofing D. 076200 - Sheet Metal Flashing and Trim E. 077123 - Manufactured Gutters and Downspouts F. 079200 - Joint Sealants

2.08 DIVISION 08 -- OPENINGS

A. 081113 - Hollow Metal Doors and Frames B. 081416 - Flush Wood Doors C. 084313 - Aluminum-Framed Storefronts D. 087100 - Door Hardware E. 088000 - Glazing

2.09 DIVISION 09 -- FINISHES

A. 092116 - Gypsum Board Assemblies B. 093000 - Tiling C. 095100 - Acoustical Ceilings

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D. 096500 - Resilient Flooring E. 096813 - Tile Carpeting F. 099123 - Interior Painting

2.10 DIVISION 10 -- SPECIALTIES

A. 101400 - Signage B. 102800 - Toilet, Bath, and Laundry Accessories C. 104400 - Fire Protection Specialties

2.11 DIVISION 11 -- EQUIPMENT

2.12 DIVISION 12 -- FURNISHINGS

A. 122113 - Horizontal Louver Blinds B. 123600 - Countertops

2.13 DIVISION 13 -- SPECIAL CONSTRUCTION

2.14 DIVISION 14 -- CONVEYING EQUIPMENT

2.15 DIVISION 21 -- FIRE SUPPRESSION

2.16 DIVISION 22 -- PLUMBING

A. 220516 - Expansion Fittings and Loops for Plumbing Piping B. 220517 - Sleeves and Sleeve Seals for Plumbing Piping C. 220523 - General-Duty Valves for Plumbing Piping D. 220529 - Hangers and Supports for Plumbing Piping and Equipment E. 220553 - Identification for Plumbing Piping and Equipment F. 220719 - Plumbing Piping Insulation G. 221005 - Plumbing Piping H. 221006 - Plumbing Piping Specialties I. 223000 - Plumbing Equipment J. 224000 - Plumbing Fixtures

2.17 DIVISION 23 -- HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC)

A. 230516 - Expansion Fittings and Loops for HVAC Piping B. 230517 - Sleeves and Sleeve Seals for HVAC Piping C. 230529 - Hangers and Supports for HVAC Piping and Equipment D. 230548 - Vibration and Seismic Controls for HVAC E. 230553 - Identification for HVAC Piping and Equipment F. 230593 - Testing, Adjusting, and Balancing for HVAC G. 230713 - Duct Insulation H. 230719 - HVAC Piping Insulation I. 230913 - Instrumentation and Control Devices for HVAC J. 230923 - Direct-Digital Control System for HVAC K. 232300 - Refrigerant Piping L. 233100 - HVAC Ducts and Casings M. 233300 - Air Duct Accessories

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N. 233423 - HVAC Power Ventilators O. 233600 - Air Terminal Units P. 233700 - Air Outlets and Inlets Q. 234000 - HVAC Air Cleaning Devices R. 238126.13 - Small-Capacity Split-System Air Conditioners

2.18 DIVISION 26 -- ELECTRICAL

A. 260010 - Basic Electrical Requirements B. 260051 - Electrical Related Work C. 260170 - Circuit and Motor Disconnects D. 260519 - Low-Voltage Electrical Power Conductors and Cables E. 260526 - Grounding and Bonding for Electrical Systems F. 260529 - Hangers and Supports for Electrical Systems G. 260533.13 - Conduit for Electrical Systems H. 260533.16 - Boxes for Electrical Systems I. 260553 - Identification for Electrical Systems J. 262416 - Panelboards K. 262726 - Wiring Devices L. 265100 - Interior Lighting M. 265600 - Exterior Lighting

2.19 DIVISION 27 -- COMMUNICATIONS

A. 271000 - Structured Cabling

2.20 DIVISION 28 -- ELECTRONIC SAFETY AND SECURITY

A. 284600 - Fire Detection and Alarm

2.21 DIVISION 31 -- EARTHWORK

2.22 DIVISION 32 -- EXTERIOR IMPROVEMENTS

2.23 DIVISION 33 -- UTILITIES

2.24 DIVISION 46 -- WATER AND WASTEWATER EQUIPMENT

END OF SECTION

Friday, May 20, 2022 REV 0: Issued For Construction

0110.21.001 / KAFB Renovate B4431 024100 - 1 Demolition

SECTION 024100

DEMOLITION

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Selective demolition of building elements for alteration purposes.

B. Abandonment and removal of existing utilities and utility structures.

1.02 RELATED REQUIREMENTS

A. Statement of Work (SOW) B. 024200 - Selective Demolition at KAFB Supplement

1.03 REFERENCE STANDARDS

A. 29 CFR 1926 - Safety and Health Regulations for Construction Current Edition.

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

2022.

1.04 DEFINITIONS

A. Removal of Obstructions: This work shall consists of the removal and satisfactory disposal of all items and obstructions which are not designated to remain. This work also consist of necessary excavation incidental to the removal of structures and obstructions.

1.05 SUBMITTALS

A. Submittal Requirements as listed in the Statement of Work (SOW) B. Demolition Plan: Submit demolition plan as specified by OSHA and local authorities.

1. Indicate extent of demolition, removal sequence, bracing and shoring, and location and construction of barricades and fences.

2. Identify demolition firm and submit qualifications.

C. Project Record Documents: Accurately record actual locations of capped and active utilities and subsurface construction.

PART 2 PRODUCTS

2.01 MATERIALS

PART 3 EXECUTION

3.01 SCOPE

A. Remove items as indicated on the drawings.

3.02 GENERAL PROCEDURES AND PROJECT CONDITIONS

A. The Contractor will be required to conduct a site visit to field inspect and verify all existing conditions as it relates to the scope of work described in the drawings and specifications, and if necessary, submit an RFI to the Contracting Officer to bring up any potential conflicts.

B. Comply with applicable codes and regulations for demolition operations and safety of adjacent structures and the public.

1. Obtain required permits.

2. Use of explosives is not permitted.

3. Take precautions to prevent catastrophic or uncontrolled collapse of structures to be removed; do not allow worker or public access within range of potential collapse of unstable structures.

4. Provide, erect, and maintain temporary barriers and security devices.

5. Use physical barriers to prevent access to areas that could be hazardous to workers or the public.

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6. Conduct operations to minimize effects on and interference with adjacent structures and occupants.

7. Do not close or obstruct roadways or sidewalks without permit.

8. Conduct operations to minimize obstruction of public and private entrances and exits; do not obstruct required exits at any time; protect persons using entrances and exits from removal operations.

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

C. Do not begin removal until receipt of notification to proceed from Owner.

D. Do not begin removal until built elements to be salvaged or relocated have been removed.

E. Protect existing structures and other elements that are not to be removed.

1. Provide bracing and shoring.

2. Prevent movement or settlement of adjacent structures.

3. Stop work immediately if adjacent structures appear to be in danger.

F. Minimize production of dust due to demolition operations; do not use water if that will result in ice, flooding, sedimentation of public waterways or storm sewers, or other pollution.

G. Asbestos containing materials do occur in the existing Cafeteria Building. Refer to Section 028200 Asbestos Abatement for additional requirements.

3.03 EXISTING UTILITIES

A. Coordinate work with utility companies; notify before starting work and comply with their requirements; obtain required permits.

B. Protect existing utilities to remain from damage.

C. Do not disrupt public utilities without permit from authority having jurisdiction.

D. Do not close, shut off, or disrupt existing life safety systems that are in use without at least 7 days prior written notification to Owner.

E. Do not close, shut off, or disrupt existing utility branches or take-offs that are in use without at least 3 days prior written notification to Owner.

F. Locate and mark utilities to remain; mark using highly visible tags or flags, with identification of utility type; protect from damage due to subsequent construction, using substantial barricades if necessary.

G. Remove exposed piping, valves, meters, equipment, supports, and foundations of disconnected and abandoned utilities.

3.04 SELECTIVE DEMOLITION FOR ALTERATIONS

A. Drawings showing existing construction and utilities are based on casual field observation and existing record documents only.

1. Verify that construction and utility arrangements are as indicated.

2. Report discrepancies to contracting officer before disturbing existing installation.

3. Beginning of demolition work constitutes acceptance of existing conditions that would be apparent upon examination prior to starting demolition.

B. Maintain weatherproof exterior building enclosure except for interruptions required for replacement or modifications; take care to prevent water and humidity damage.

C. Remove existing work as indicated and as required to accomplish new work.

1. Remove items indicated on drawings.

D. Services (Including but not limited to HVAC, Plumbing, Fire Protection, Electrical, and

Telecommunications): Remove existing systems and equipment as indicated.

1. Maintain existing active systems that are to remain in operation; maintain access to equipment and operational components.

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2. Where existing active systems serve occupied facilities but are to be replaced with new services, maintain existing systems in service until new systems are complete and ready for service.

3. Verify that abandoned services serve only abandoned facilities before removal.

4. Remove abandoned pipe, ducts, conduits, and equipment, including those above accessible ceilings; remove back to source of supply where possible, otherwise cap stub and tag with identification.

E. Protect existing work to remain.

1. Prevent movement of structure; provide shoring and bracing if necessary.

2. Perform cutting to accomplish removals neatly and as specified for cutting new work.

3. Repair adjacent construction and finishes damaged during removal work.

4. Patch as specified for patching new work.

3.05 REPAIR

A. Unless otherwise indicated or directed on the drawings or elsewhere in the specifications, it will be the Contractor's responsibility to patch and repair all surfaces to match adjacent existing conditions where items are removed or altered.

B. Exterior wall repair must not compromise the exsiting drainage plain.

C. Roof repairs must not void or compromise the existing roof waranty.

D. The Contractor will be required to conduct a site visit to field inspect and verify all existing conditions as it relates to the scope of work described in the drawings and specifications, and if necessary, submit an RFI to the Architect/Engineer and the Owner to bring up any potential conflicts.

3.06 DEBRIS AND WASTE REMOVAL

A. Remove debris, junk, and trash from site.

B. Leave site in clean condition, ready for subsequent work.

C. Clean up spillage and wind-blown debris from public and private lands.

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0110.21.001 / KAFB Renovate B4431 024200 - 1 Selective Demolition with KAFB

Supplement

SECTION 024200

SELECTIVE DEMOLITION WITH KAFB SUPPLEMENT

PART 1 GENERAL

1.01 SUMMARY

A. Section Includes: Demolition and removal of selected portions of building or structure.

1.02 DEFINITIONS

A. Remove: Detach items from existing construction and legally dispose of them off-site unless indicated to be removed and salvaged or removed and reinstalled.

B. Remove and Reinstall: Detach items from existing construction, prepare for reuse, and reinstall where indicated.

C. Existing to Remain: Existing items of construction that are not to be permanently removed and that are not otherwise indicated to be removed, removed and salvaged, or removed and reinstalled.

D. Preinstallation Meetings E. Predemolition Conference: Conduct conference at Project site.

1.03 INFORMATIONAL SUBMITTALS

A. For refrigerant- VECTRUS Technicians will remove and store all refrigerant.

B. Predemolition Photographs or Video: Submit before Work begins.

1.04 CLOSEOUT SUBMITTALS

A. Landfill Records: Indicate receipt and acceptance of hazardous wastes by a landfill facility licensed to accept hazardous wastes.

1.05 FIELD CONDITIONS

A. Conditions existing at time of inspection for bidding purpose will be maintained by The Government as far as practical.

1. Before selective demolition, The Government will remove the following items:

a. Add items as directed.

B. Notify The Government Contracting Officer and VECTRUS Construction Manager of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

C. Hazardous Materials: It is not expected that hazardous materials will be encountered in the Work.

1. If suspected hazardous materials are encountered, do not disturb; immediately notify The

Government Contracting Officer and VECTRUS Construction Manager.

D. Storage or sale of removed items or materials on-site is not permitted.

E. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations. Maintain fire-protection facilities in service during selective demolition operations.

PART 2 PRODUCTS

2.01 PEFORMANCE REQUIREMENTS

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

B. Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

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Supplement

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that utilities have been disconnected and capped before starting selective demolition operations.

B. Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

C. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict.

Promptly submit a written report to Contracting Officer.

3.02 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

1. Comply with requirements for existing services/systems interruptions specified in

Statement of Work.

B. Existing Services/Systems to Be Removed, Relocated, or Abandoned: Locate, identify, disconnect, and seal or cap off indicated utility services and mechanical/electrical systems serving areas to be selectively demolished.

1. Arrange to shut off indicated utilities with utility companies.

2. If services/systems are required to be removed, relocated, or abandoned, provide temporary services/systems that bypass area of selective demolition and that maintain continuity of services/systems to other parts of building.

3. Disconnect, demolish, and remove fire-suppression systems, plumbing, and HVAC systems, equipment, and components indicated to be removed.

a. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

b. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible piping material.

c. Equipment to Be Removed: Disconnect and cap services and remove equipment.

d. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

e. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to The Government.

f. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining ducts with same or compatible ductwork material.

g. Ducts to Be Abandoned in Place: Cap or plug ducts with same or compatible ductwork material.

C. Refrigerant: Remove refrigerant from mechanical equipment to be selectively demolished according to 40 CFR 82 and regulations of authorities having jurisdiction.

3.03 PREPARATION

A. Temporary Shoring: Provide and maintain shoring, bracing, and structural supports as required to preserve stability and prevent movement, settlement, or collapse of construction and finishes to remain, and to prevent unexpected or uncontrolled movement or collapse of construction being demolished.

3.04 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

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0110.21.001 / KAFB Renovate B4431 024200 - 3 Selective Demolition with KAFB

Supplement

1. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction.

Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping, to minimize disturbance of adjacent surfaces. Temporarily cover openings to remain.

2. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces.

3. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain fire watch and portable fire-suppression devices during flame-cutting operations.

4. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

5. Dispose of demolished items and materials promptly.

B. Removed and Reinstalled Items:

1. Clean and repair items to functional condition adequate for intended reuse.

2. Pack or crate items after cleaning and repairing. Identify contents of containers.

3. Protect items from damage during transport and storage.

4. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make item functional for use indicated.

C. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by Architect, items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete.

3.05 DISPOSAL OF DEMOLISHED MATERIALS

A. General: Except for items or materials indicated to be recycled, reused, salvaged, reinstalled, or otherwise indicated to remain The Government's property, remove demolished materials from Project site and legally dispose of them in an EPA-approved landfill.

1. Do not allow demolished materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

3. Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level in a controlled descent.

4. Comply with requirements specified in Section 01524 "Construction Waste Management."

B. Burning: Do not burn demolished materials.

C. Disposal: Transport demolished materials off The Government's property and legally dispose of them.

3.06 CLEANING

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

Friday, May 20, 2022 REV 0: Issued For Construction

0110.21.001 / KAFB Renovate B4431 030516 - 1 Underslab Vapor Barrier - Stego

SECTION 030516

UNDERSLAB VAPOR BARRIER - STEGO

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Sheet vapor barrier under concrete slabs on grade.

1.02 RELATED REQUIREMENTS

A. Section 033000 - Cast-in-Place Concrete: Preparation of subgrade, granular fill, placement of concrete.

1.03 REFERENCE STANDARDS

A. ASTM E1643 - Standard Practice for Selection, Design, Installation and Inspection of Water

Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs 2018a.

B. ASTM E1745 - Standard Specification for Plastic Water Vapor Retarders Used in Contact with

Soil or Granular Fill under Concrete Slabs 2017.

1.04 SUBMITTALS

A. Submittal Requirements as listed in the Statement of Work (SOW).

PART 2 PRODUCTS

2.01 MATERIALS

A. Underslab Vapor Barrier:

1. Water Vapor Permeance: Not more than 0.010 perms (0.6 ng/(s m2 Pa)), maximum.

2. Complying with ASTM E1745 Class A.

3. Thickness: 15 mils (0.4 mm).

4. Basis of Design:

a. Stego Industries LLC; Stego Wrap Vapor Barrier (15-mil):

www.stegoindustries.com/#sle.

b. Tex-Trude; XTreme Vapor Barrier (15 mil): www.textrude.com

c. Raven Industries; Vaporblock VB15 (15 mil blue); www.ravenind.com.

d. Insulation Solutions; Viper II (15 mil blue); insulationsolutions.com.

e. Husky / Poly-America; Yellow Guard Vapor Barrier (15 mil): www.yellowguard.com

f. Or Equal.

B. Accessory Products: Vapor barrier manufacturer's recommended tape, adhesive, mastic, etc., for sealing seams and penetrations in vapor barrier.

1. Seam Tape:

a. Water Vapor Transmission Rate: ASTM E 96, 0.3 perms or lower

b. Stego Industries LLC; Stego Tape

c. Or Equal.

2. Vapor Proofing Mastic:

a. Water Vapor Transmission Rate: ASTM E 96, 0.3 perms or lower

b. Stego Industries LLC; Stego Mastic

c. Or Equal.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that surface over which vapor barrier is to be installed is complete and ready before proceeding with installation of vapor barrier.

3.02 INSTALLATION

A. Install vapor barrier in accordance with manufacturer's instructions and ASTM E1643.

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B. Install vapor barrier under interior slabs on grade; lap sheet over footings and seal to foundation walls.

C. Unroll vapor barrier with the longest dimension parallel with the direction of the pour.

D. Lap joints minimum 6 inches (150 mm) and seal with manufacturer's approved tape.

E. Seal joints, seams and penetrations watertight with manufacturer's recommended products and follow manufacturer's written instructions.

F. No penetration of vapor barrier is allowed except for reinforcing steel and permanent utilities.

G. Repair damaged vapor retarder before covering with other materials. Repair damaged areasby cutting patches of vapor retarder, overlapping dmaged area 6 inches minimum and taping all four sides with tape.

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0110.21.001 / KAFB Renovate

B4431 031000 - 1 CONCRETE FORMING AND

ACCESSORIES

SECTION 031000

CONCRETE FORMING AND ACCESSORIES

PART 1 - GENERAL

1.01 RELATED SECTIONS

A. Section 032000 - Concrete Reinforcing.

B. Section 033000 - Cast-in-Place Concrete.

1.02 REFERENCES

A. ACI 117 - Standard Specifications for Tolerances for Concrete Construction and Materials.

B. ACI 301 - Standard Specifications for Structural Concrete.

C. ACI 318 - Building Code Requirements for Structural Concrete.

D. ACI 347 - Guide to Formwork for Concrete.

E. ASTM D1751 - Standard Specification for Preformed Expansion Joint Filler for Concrete Paving and Structural Construction (Nonextruding and Resilient Bituminous Types).

F. ASTM E1643 - Standard Practice for Selection, Design, Installation, and Inspection of Water

Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs.

G. ASTM E1745 - Standard Specification for Water Vapor Retarders Used in Contact with Soil or

Granular Fill Under Concrete Slabs.

H. ASTM E1993 - Standard Specification for Bituminous Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs.

I. ASTM F1249 - Standard Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor.

1.03 SUBMITTALS

A. Submittal requirements as listed in the Statement of Work’ (SOW).

B. Submit locations of construction joints in framed construction for approval.

C. Submit manufacturer’s data for:

1. Expansion/Isolation Joint Filler.

D. Waterstops.

1. Submit formwork shop drawings signed and sealed by an engineer licensed in the Project state. Shop Drawings should include stripping and reshoring procedure with indication of time period required between placement of concrete and removal of formwork.

1.04 DESIGN OF FORMWORK

A. Design of formwork, shoring, and reshoring and its removal is the Contractor's responsibility.

B. Design of formwork, shoring, and reshoring shall conform to ACI 117, ACI 301, ACI 318, and

ACI 347.

C. Design formwork in a manner such that existing or new construction is not overloaded.

D. Formwork shall be designed by an engineer licensed in the Project state.

PART 2 - PRODUCTS

2.01 FORM MATERIALS

A. Form Material: Wood, plywood, metal, fiberglass or a combination of these, with sufficient strength to prevent distortion.

B. Form Definitions C. Standard Forms: No form-facing material required. Standard forms are acceptable everywhere except for Architectural Concrete elements.

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B4431 031000 - 2 CONCRETE FORMING AND

ACCESSORIES

D. Architectural Concrete Forms: Form-facing material shall be plywood, tempered concrete-form-grade hardboard, metal (unrusted) or plastic that will produce a smooth, uniform texture on the concrete. Do not use form-facing material with raised grain, torn edges, worn edges, patches, dents, or other defects that will impair the texture of the exposed concrete surfaces. Intent is that when the forms are removed, the exposed concrete surfaces will be free from all blemishes. Architectural concrete forms are required for all concrete elements indicated as Architectural Concrete.

2.02 FORMWORK ACCESSORIES

A. Formwork Accessories: Commercially manufactured products, including ties and hangers. Do not use nonfabricated wire form ties.

2.03 FORM RELEASE AGENT

A. Form release agent shall not bond with, stain, nor adversely affect concrete surfaces.

2.04 VAPOR RETARDER

A. Refer to Division 7 Section “Vapor Retarders”.

2.05 EXPANSION / ISOLATION JOINT FILLER

A. Expansion/Isolation Joint Filler: ASTM D1751, asphalt impregnated premolded fiberboard, 1/4-inch thick by full thickness of slab or joint, unless indicated otherwise in the Structural Drawings.

2.06 CONSTRUCTION JOINTS

A. Slabs-On-Grade: Steel plate dowel (1/4-inch thick) such as manufactured by PNA Construction

Technologies, Inc., Greenstreak Group, Inc., or approved equal.

B. Plate Thickness: 1/4-inch thick for slabs up to 6 inches in thickness; 3/8-inch for slabs over 6 inches and up to 8 inches in thickness; 3/4-inch thick for slabs over 8 inches in thickness and up to 12 inches in thickness.

2.07 WATERSTOPS

A. Waterstops at construction joints and contraction joints indicated in the Structural Drawings shall be sized to suit the joints.

2.08 DOVETAIL ANCHORS

A. Dovetail Anchors: 22 gage galvanized steel dovetail anchoring slots with filler strips and 16 gage galvanized dovetail anchors, comparable to the Dur-O-Wal D/A 131 seismic dovetail anchor assembly (or approved equal), unless otherwise noted in Structural Drawings.

PART 3 - EXECUTION

3.01 GENERAL

A. Erect formwork in accordance with ACI 301 and ACI 347.

B. Finished work shall comply with tolerances of ACI 117.

C. Provide 3/4-inch chamfer at all formed corners.

3.02 FOUNDATION ELEMENTS

A. Form foundation elements if soil or other conditions are such that earth trench forms are unsuitable.

B. Sides of perimeter grade beams, foundation walls, and turned-down slabs shall be formed.

C. Maintain minimum coverage of reinforcing steel as indicated in Structural Drawings.

3.03 VAPOR RETARDER

A. Where indicated on Structural Drawings, place vapor retarder over granular subbase and behind expansion / isolation joints at walls. Place electrical conduits and ducts in granular subbase.

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B4431 031000 - 3 CONCRETE FORMING AND

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B. Refer to Division 7 Section “Vapor Retarders”.

3.04 FORM PREPARATION

A. Seal form joints to prevent leakage.

B. Thoroughly clean forms and adjacent surfaces to receive concrete. Remove chips, wood, sawdust, dirt or other debris just before concrete is placed.

C. Before reinforcement is placed, coat contact surfaces of form with form release agent in accordance with manufacturer’s recommendations. Do not allow excess form release agent to accumulate in forms or come in contact with concrete surfaces against which fresh concrete will be placed.

3.05 INSERTS AND EMBEDMENT ITEMS

A. Install and secure in position required inserts, embeds, hangers, sleeves, anchors, and nailers.

B. Locate anchor bolts/rods in position in accordance with approved setting drawings and secure to prevent displacement during concrete placement.

3.06 PROVISIONS FOR OTHER TRADES

A. Install openings in concrete formwork to accommodate work of other trades. Determine size and location of openings and recesses from trades requiring such items. Obtain approval from Structural Engineer for openings not shown in Structural Drawings.

B. Accurately place and securely support items built into forms.

3.07 CONSTRUCTION JOINTS

A. Slabs-On-Grade: Install steel plate dowels in accordance with manufacturer’s recommendations. Place plate dowels at mid-depth of slab (+/-1/4-inch), unless noted otherwise in the Structural Drawings.

B. Framed Construction:

C. Install construction joints in accordance with ACI 318.

D. Obtain Architect/Structural Engineer and/or Contracting Officer's prior approval for use and location of joints.

E. Provide 1½-inch deep key-type construction joints at end of each placement for framed slabs, beams, walls, and footings. Bevel forms for easy removal.

F. Remove loose particles and latency from surface prior to placing the next lift. Chip the surface to a depth sufficient to expose sound concrete.

3.08 WATERSTOPS

A. Install PVC waterstops in accordance with manufacturer’s recommendations.

3.09 DOVETAILS

A. Install continuous vertical dovetail anchoring slots with filler strips at intersections of concrete and masonry walls unless indicated otherwise on Drawings.

3.10 FORMWORK REMOVAL

A. Remove formwork carefully in such manner and at such time as to ensure complete safety of structure. Do not remove formwork, shoring, or reshoring until members have acquired sufficient strength to support their weight and the load thereon safely.

B. For conventionally reinforced framed slabs, formwork shall remain in place for a minimum of 5 days after concrete placement.

3.11 FINISHES OF FORMED SURFACES

A. Standard Form Finish: Patch tie holes and defects. Chip or rub off fins exceeding 1/4 inch in height. Leave surface with the texture imparted by the forms.

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B4431 031000 - 4 CONCRETE FORMING AND

ACCESSORIES

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B4431 032000 - 1 CONCRETE REINFORCEMENT

SECTION 032000

CONCRETE REINFORCEMENT

PART 1 - GENERAL

1.01 RELATED SECTIONS

A. Section 03 30 00 – Cast-in-Place Concrete.

1.02 REFERENCES

A. ACI 117 – Standard Specifications for Tolerances for Concrete Construction and Materials.

B. ACI 301 – Standard Specifications for Structural Concrete.

C. ACI 315 – Details and Detailing of Concrete Reinforcement.

D. ACI 318 – Building Code Requirements for Structural Concrete.

E. ASTM A185 – Standard Specification for Steel Welded Wire Reinforcement, Plain, for Concrete

Reinforcement.

F. ASTM A615 – Standard Specification for Deformed and Plain Billet-Steel Bars for Concrete

Reinforcement.

G. ASTM A706 – Standard Specification for Low-Alloy Steel Deformed and Plain Bars for

Concrete Reinforcement.

H. AWS D1.4 – Structural Weld Code - Reinforcing Steel.

I. AWS D12.1 – Recommended Practices for Welding Reinforcing Steel Metal Inserts, and

Connections in Reinforced Concrete Construction.

J. CRSI – Manual of Standard Practice.

1.03 SUBMITTALS

A. Submittal Requirements as listed in the Statement of Work (SOW).

B. Indicate size, spacing, location and quantities of reinforcing steel and wire fabric, bending and cutting schedules, splice lengths, stirrup spacing, supporting and spacing devices. Detail reinforcing steel in accordance with ACI 315 and CRSI Standards.

C. Written description of reinforcement without adequate sections, elevations, and details is not acceptable.

D. Reproduction of Structural Drawings for shop drawings is not permitted. Electronic drawing files will not be provided to the Contractor.

E. Submit manufacturer's data for tension and compression splicers.

1.04 STORAGE AND PROTECTING

A. Store reinforcing steel above ground so that it remains clean. Maintain steel surfaces free from materials and coatings that might impair bond.

PART 2 - PRODUCTS

2.01 MATERIALS

2.02 DEFORMED REINFORCING STEEL: ASTM A615, REFER TO STRUCTURAL DRAWINGS FOR

GRADE (GRADE 60 MINIMUM).

A. Welded Steel Wire Fabric: ASTM A185.

2.03 ACCESSORY MATERIALS

A. Annealed Steel Tie Wire: 16.5 gauge minimum.

B. Bar Supports: Plastic-tipped steel Class I bar supports conforming to CRSI Specifications.

Concrete brick may be used to support reinforcement to obtain proper clearance from earth.

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B4431 032000 - 2 CONCRETE REINFORCEMENT

PART 3 - EXECUTION

3.01 FABRICATION

A. Fabricate reinforcing steel in accordance with ACI 318 and CRSI standards.

B. Bend bars cold. Do not heat or flame cut bars. No field bending of bars partially embedded in concrete is permitted, unless specifically approved Structural Engineer and checked by Testing and Inspection Agency for cracks.

C. Weld only as indicated. Perform welding in accordance with AWS D1.4 and AWS D12.1.

D. Tag reinforcing steel for easy identification.

3.02 INSTALLATION

A. Before placing concrete, clean reinforcement of foreign particles and coatings.

B. Place, support, and secure reinforcement against displacement in accordance with ACI 318 and CRSI standards. Do not deviate from alignment or measurement.

C. Place concrete beam reinforcement support parallel to main reinforcement.

D. Locate welded wire reinforcement in the top third of slabs. Overlap mesh one lap plus two inches at side and end joints.

E. Furnish and install dowels or mechanical splices at intersections of walls, columns and piers to permit continuous reinforcement or development lengths at such intersections.

F. Maintain cover and tolerances in accordance with ACI and CRSI Specifications, unless indicated otherwise on Structural Drawings.

3.03 DOWELS IN EXISTING CONCRETE

A. Install dowels and dowel adhesive in accordance with manufacturer’s recommendations.

B. Minimum embedment length into the existing concrete shall be 12 bar diameters, unless noted otherwise.

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B4431 033000 - 1 CAST-IN-PLACE CONCRETE

SECTION 033000

CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.01 RELATED SECTIONS

A. Section 03 20 00 – Concrete Reinforcement.

1.02 REFERENCES

A. ACI 117 – Standard Specifications for Tolerances for Concrete Construction and Materials.

B. ACI 214 – Recommended Practice for Evaluation of Strength Test Results of Concrete.

C. ACI 301 – Specifications for Structural Concrete.

D. ACI 302.1 – Guide for Concrete Floor and Slab Construction.

E. ACI 304 – Recommended Practice for Measuring, Mixing, Transporting and Placing Concrete.

F. ACI 305 – Hot Weather Concreting.

G. ACI 306 – Cold Weather Concreting.

H. ACI 308 – Guide to Concrete Curing.

I. ACI 309 – Recommended Practice for Consolidation of Concrete.

J. ACI 318 – Building Code Requirements for Reinforced Concrete.

K. ASTM C31 – Standard Practice for Making and Curing Concrete Test Specimens in the Field.

L. ASTM C33 – Standard Specification for Concrete Aggregates.

M. ASTM C39 – Standard Test Method for Compressive Strength of Cylindrical Concrete

Specimens.

N. ASTM C94 – Standard Specification for Ready-Mixed Concrete.

O. ASTM C138 – Standard Test Method for Density (Unit Weight), Yield, and Air Content

(Gravimetric) of Concrete.

P. ASTM C143 – Standard Test Method for Slump of Hydraulic-Cement Concrete.

Q. ASTM C150 – Standard Specification for Portland Cement.

R. ASTM C172 – Standard Practice for Sampling Freshly Mixed Concrete.

S. ASTM C173 – Standard Test Method for Air Content of Freshly Mixed Concrete by the

Volumetric Method.

T. ASTM C230 – Standard Specification for Flow Table for Use in Tests of Hydraulic Cement.

U. ASTM C260 – Standard Specification for Air-Entraining Admixtures for Concrete.

V. ASTM C309 – Standard Specification for Liquid Membrane-Forming Compounds for Curing

Concrete.

W. ASTM C494 – Standard Specification for Chemical Admixtures for Concrete.

X. ASTM C618 – Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete.

Y. ASTM E1155 – Standard Test Method for Determining FF Floor Flatness and FL Floor

Levelness Numbers.

1. SUBMITTALS

2. Submit three copies of the concrete mix designs to contracting officer. Include the following:

3. Documentation of mix design proportions complying with ACI 318, Chapter 5.

4. Type and quantities of materials including admixtures

5. Slump

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6. Air content

7. Water/cement ratio

8. Fresh unit weight

9. Aggregates sieve analysis

10. Design compressive strength

11. Location of placement in structure

12. Method of placement

13. Method of curing

14. Seven-day and 28-day compressive strengths

a. Mix design submittals not conforming to the above will be rejected.

1.03 QUALITY ASSURANCE

A. The ready-mixed concrete plant shall be certified for conformance with the requirements of the National Ready Mix Concrete Association.

PART 2 - PRODUCTS

2.01 CONCRETE MIX DESIGN

A. Normal Weight Concrete for foundations:

1. Compressive Strength, when tested in accordance with ASTM C39/C39M at 28 days:

3,500 pounds per square inch minimum.

2. Fly Ash Content: Not allowable.

3. Cement Content: Minimum 520 lb per cubic yard.

4. Water-Cement Ratio: Maximum 50 percent by weight.

5. Total Air Content for foundation concrete: 4 percent, determined in accordance with

ASTM C173/C173M.

6. Maximum Slump: 4 inches +/- 1”.

7. Maximum Aggregate Size: 1.5 inch.

2.02 MATERIALS

A. Materials designated by specific manufacturer's trade names are approved, subject to compliance with the quality and performance indicated by the manufacturer. Instructions and recommendations, published by the manufacturer of such materials are included in and are a part of these Specifications.

2.03 CEMENT

A. Cement: Type I Portland cement complying with ASTM C150, unless noted otherwise. Use one brand only.

2.04 AGGREGATE

A. Fine Aggregate: Fine aggregate complying with ASTM C33.

B. Coarse Aggregate: Gravel or crushed stone complying with ASTM C33 for normal weight concrete. Size coarse aggregate in accordance with ACI 318.

C. Polished Concrete Aggregate: Aggregate shall be a limestone aggregate and not a river rock.

2.05 WATER

A. Water: Potable water free of deleterious substances complying with ACI 318.

2.06 AIR ENTRAINING AGENT

A. Air Entraining Agent: Air entraining agent complying with ASTM C260.

2.07 WATER REDUCER

A. Water Reducer: Water reducing agent complying with ASTM C494.

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2.08 MID-RANGE/HIGH-RANGE WATER REDUCER

A. Mid-range/High-range Water Reducer: Mid-range and high-range water reducers (plasticizers) complying with ASTM C494.

2.09 CHLORIDE

A. Chlorides: Chlorides of any form shall not be used in concrete.

2.10 CURING COMPOUND

A. Curing Compound: A water-based, “odorless,” acrylic curing compound with a minimum solid content of 20 percent may be used at the Contractor's option complying with ASTM C309.

2.11 ACCELERATORS

A. Accelerators: Non-chloride accelerators complying with ASTM C494.

2.12 RETARDERS

A. Retarders: Retarders complying with ASTM C494.

PART 3 - EXECUTION

3.01 GENERAL

A. Prepare place of deposit, mix, convey, and place in accordance with ACI 301 and ACI 304.

B. Wet forms before placing concrete.

1. Deposit concrete as near as practical to final position.

2. Do no flowing of concrete with vibrators.

3. Place slabs in accordance with ACI 302.

4. Place and finish concrete members to comply with tolerances in ACI 117.

5. Do not use aluminum equipment in placing and finishing concrete.

3.02 SLABS-ON-GRADE

A. Place concrete for slabs-on-grade on properly prepared granular subbase with vapor barrier.

1. Place thickened slabs for partitions integral with floor slabs.

3.03 MID-RANGE / HIGH-RANGE WATER REDUCERS

A. Mid-range or high-range water reducers are to be added at dosage recommended by the manufacturer. The slump of the concrete shall be one to four inches at the time the water reducers are added. Do not permit fresh concrete containing superplasticizers to come in contact with fresh concrete not containing superplasticizers.

3.04 ADDITION OF WATER AT JOB SITE

A. Water may be added at the jobsite if neither the maximum permissible water/cement ratio nor the maximum slump is exceeded. All concrete delivery trucks will have actual batch weight tickets available that clearly indicate the quantity of water that may be added at the jobsite that will not exceed the maximum water/cement ratio.

3.05 TIME LIMIT

A. Deposit concrete within one and one-half hours after batching.

3.06 VIBRATION

A. Consolidate concrete in accordance with ACI 301 and ACI 309.

3.07 CURING

A. Begin curing procedures immediately following the commencement of the finishing operation.

B. Cure concrete in accordance with ACI 308. Keep the concrete surface moist.

C. If an acrylic curing compound is used, apply in accordance with manufacturer's recommendations to surfaces of concrete not protected for five days by formwork. Do not use curing compound in areas to receive material that does not adhere to concrete cured with a

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curing compound unless the curing compound is water-soluble.

3.08 WEATHER PROVISIONS

A. Perform cold weather concreting in accordance with ACI 306.

B. Perform hot weather concreting in accordance with ACI 305.

C. Protect concrete from drying and excessive temperature for the first seven days.

D. Protect fresh concrete from wind.

3.09 CONTRACTION JOINTS

A. Provide contraction joints in slabs-on-grade to match existing concrete joints.

3.10 CUTTING CONCRETE

A. Obtain Contracting Officer's written approval prior to cutting concrete for installation of other work.

3.11 PATCHWORK AND REPAIRS

A. Notify Contracting Officer of any defective areas in concrete to be patched or repaired. Repair and patch defective areas with non-shrink grout. Cut out defective areas over 2 inches in diameter to solid concrete but not less than a depth of one inch. Make edges of cuts perpendicular to the concrete surface.

3.12 CONCRETE FINISHES

A. Finish Concrete in accordance with ACI 301.

B. All slabs, including roof slabs, shall be troweled finish, unless noted otherwise.

C. Finish slabs to the following flatness and levelness tolerances:

1. FF25/FL20 minimum overall for composite of all measured values and FF17/FL12 minimum for any individual floor section.

2. Slabs to receive wood flooring: FF45/FL30 minimum overall for composite of all measured values and FF30/FL20 minimum for any individual floor section.

3. Contracting Officer representattive will identify which sections of slabs are to be tested for flatness and levelness.

a. FL values are applicable only if testing is performed within 72 hours of concrete placement, before tensioning of tendons, and before removal of formwork.

b. FF values are applicable to all types of slab construction and are not subject to any time constraints.

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B4431 033680 - 1 CONCRETE POLISHING AND

DYEING

SECTION 033680

CONCRETE POLISHING AND DYEING

PART 1 - GENERAL

1.01 SUMMARY

A. This Section includes polished concrete finish for existing interior concrete floors denoted on drawings as Polished and Sealed Concrete (PCS).

B. Furnish all labor, material, equipment and services necessary for the dry diamond grinding and polishing of existing concrete floors.

1. Minimum to no existing concrete aggregate exposure is desired with sanding of existing concrete floors.

C. Applying densifying impregnator/sealer and polishing to specified sheen level.

1.02 REFERENCES

A. American Concrete Institute (ACI):

1. ACI302.1R-89, Guide for Concrete Floor and Slab Construction.

B. American Society for Testing and Materials:

1. ASTM C779, Standard Test Method for Abrasion of Horizontal Concrete Surfaces.

2. ASTM C805, Impact Strength.

3. ASTM G23-81, Ultraviolet Light & Water Spray.

4. ASTM 1028, Co-efficient of Friction.

5. ASTM C 150, Type I, II Portland cement conformity, depending on soil conditions.

6. ASTM C 33, Aggregate conformity.

C. Other Tests:

1. Reflectivity.

1.03 SUBMITTALS

A. Submittal Requirements as listed in the Statement of Work (SOW).

B. Product data for each grinding machine, including all types of grinding heads, dust extraction system, joint filler, concrete densifying impregnator, penetrating sealer, concrete dyes, joint filler and any other chemicals used in the process.

C. Applicators qualification data.

D. Polished concrete samples: size 3"x3" for each Polished Concrete finish required.

E. Maintenance procedures for Polished Concrete using diamond impregnated cleaning pads.

1.04 QUALITY ASSURANCE

A. Certified Contractors:

1. Pre-qualified contractors meeting ALL requirements set forth within specifications.

2. No substitutions will be allowed or approved.

B. Mandatory Pre-Installation Conference: Conduct conference at project site.

1. The mandatory pre-installation conference shall occur prior to any concrete refinishing.

2. The purpose of the mandatory pre-installation conference is to review the criteria with the

General Contractor and concrete polishing contractor.

3. The meeting shall establish the following:

a. Sequencing of operations for finishing and protection of finished concrete surfaces.

b. Sequencing of operations for protection of existing surfaces, furniture, etc.

C. Provide project names, addresses, contact names, phone numbers of at least (5) five projects of similar scope and size completed by the installer.

D. Installer/applicator shall be certified by concrete grinding/polishing equipment, chemical manufacturer and caulking manufacturer. Installer/applicator shall provide adequate number of

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skilled workmen who are thoroughly trained and experienced in the necessary craft.

E. Manufacturer's Certification: Provide a letter of certification from both the equipment and chemical manufacturer stating that the installer is a Certified Contractor and is familiar with proper procedures and installation requirements recommended by the manufacturer.

F. Mock-ups:

1. Install mock-ups to verify selections made under sample submittal and to demonstrate methods and workmanship proposed for the project. If mock-up not possible, submitted samples will be accepted as demonstrated methods & workmanship.

2. Provide 10 foot by 10 foot area of each color and pattern indicated on drawings.

3. Approved mock-ups may become part of the completed work if it is found acceptable.

G. Protection: General Contractor shall protect areas to receive polished concrete finish at all times during construction to prevent oils, dirt, metal, excessive water and other potentially damaging materials from affecting the finished concrete surface. Protection measures listed below shall begin immediately after the concrete slab is poured:

1. General Contractor to apply Skudo LT (Light Traffic), Ram Board or Econo-Cover temporary surface protection.

2. All hydraulic powered equipment shall be diapered to avoid staining of the concrete.

3. Steel shall not be placed on the finish slab to avoid rusting.

4. Acids and acidic detergents will not come in contact with slab.

5. All painters will use drop cloths on the concrete. If paint gets on the concrete, it must be immediately removed.

6. All trades will be informed that the slab must be protected at all times.

H. Environmental Limitations

1. Comply with manufacturers written instructions for substrate temperature and moisture content, ambient temperature and humidity, ventilation and other conditions affecting chemical performance.

2. Finish Concrete area shall be closed to traffic during finish floor application and after application, for the time as recommended by manufacturer.

PART 2 - PRODUCTS

2.01 POLISHING…