2020-11-25 RML Bldg B SPEC Volume 2.pdf

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RML Comparative Medicine Center Vivarium Hamilton, Montana

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A&E NATIONAL INSTITUTES OF HEALTH (NIH)

A/E TASK NO. 75N99020F00001 RML COMPARATIVE MEDICINE CENTER (RCMC) VIVARIUM

A/E CONTRACT NO. HHSN292201400006I ROCKY MOUNTAIN LABORATORIES (RML)

HAMILTON, MONTANA

TABLE OF CONTENTS TOC - 1

TABLE OF CONTENTS – VOLUME 2

The following listed documents comprise the VOLUME 2, TECHNICAL SPECIFICATIONS (DIVISIONS 2-

14) Project Manual for RML Comparative Medicine Center (RCMC) Vivarium Building B, Rocky Mountain Laboratories, Hamilton, Montana. Numbering of Divisions conforms to CSI Format for Building Specifications; Divisions and Sections not appearing are not applicable.

Reference VOLUME 1, DIVISION 1 – GENERAL REQUIREMENTS Project Manual for the RML Comparative Medicine Center (RCMC) Vivarium Building B.

Reference VOLUME 3, TECHNICAL SPECIFICATIONS (DIVISIONS 21-33) Project Manual for the RML Comparative Medicine Center (RCMC) Vivarium Building B.

SPECIFICATIONS GROUP

Facility Construction Subgroup

DIVISION 03 - CONCRETE

03 10 00 03 20 00 03 30 00

CONCRETE FORMING AND ACCESSORIES

CONCRETE REINFORCING

CAST-IN-PLACE CONCRETE

DIVISION 04 - MASONRY

04 22 00 CONCRETE UNIT MASONRY

DIVISION 05 - METALS

05 01 40 05 12 00

MAINTENANCE OF COLD-FORMED METAL FABRICATIONS

STRUCTURAL STEEL FRAMING

05 31 00 STEEL DECKING

05 50 80 FORMED METAL FABRICATIONS

05 50 00 METAL FABRICATIONS

05 51 13 METAL PAN STAIRS

05 51 19 METAL GRATING STAIRS

05 52 13 PIPE AND TUBE RAILINGS

05 53 13 BAR GRATINGS

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 53 MISCELLANEOUS ROUGH CARPENTRY

06 16 00 SHEATHING

06 41 16 PLASTIC-LAMINATE-CLAD ARCHITECTURAL CABINETS

06 83 18 GFRP COMP WALL AND CEILING PANELS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 13 25 SELF-ADHERING SHEET WATERPROOFING

07 13 26 PRE-APPLIED SHEET MEMBRANE WATERPROOFING

07 19 00 WATER REPELLENTS

07 21 00 THERMAL INSULATION

TABLE OF CONTENTS TOC - 2

07 21 19 FOAMED-IN-PLACE INSULATION

07 26 00 VAPOR RETARDERS

07 27 26 FLUID-APPLIED MEMBRANE AIR BARRIERS

07 42 13.13 07 42 13.16

FORMED METAL WALL PANELS

METAL PLATE WALL PANELS

07 42 93 SOFFIT PANELS

07 53 23 ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING

07 71 00 ROOF SPECIALTIES

07 71 29 MANUFACTURED ROOF EXPANSION JOINTS

07 81 23 INTUMESCENT FIRE PROTECTION

07 84 13 PENETRATION FIRESTOPPING

07 84 43 JOINT FIRESTOPPING

07 92 00 JOINT SEALANTS

07 92 19 ACOUSTICAL JOINT SEALANTS

07 95 13.16 EXTERIOR EXPANSION JOINT COVER ASSEMBLIES

DIVISION 08 - OPENINGS

08 11 13 HOLLOW METAL DOORS AND FRAMES

08 11 19 STAINLESS STEEL DOORS AND FRAMES

08 16 13 FIBERGLASS REINFORCED PLASTIC INSULATED DOORS

08 31 13 ACCESS DOORS AND FRAMES

08 33 23 OVERHEAD COILING DOORS

08 41 13 08 44 13

ALUMINUM-FRAMED ENTRANCES AND STOREFRONTS

GLAZED ALUMINUM CURTAIN WALLS

08 45 00 08 71 00 08 71 00A

INSULATED TRANSLUCENT SANDWICH PANELS

DOOR HARDWARE

DOOR INDEX

08 80 00 GLAZING

08 88 36.16 ELECTRONICALLY CONTROLLED SWITCHABLE INSULATING GLASS

UNITS

DIVISION 09 - FINISHES

09 21 16.23 GYPSUM BOARD SHAFT WALL ASSEMBLIES

09 22 16 NON-STRUCTURAL METAL FRAMING

09 29 00 GYPSUM BOARD

09 30 13 CERAMIC TILING

09 51 13 ACOUSTICAL PANEL CEILINGS

09 65 13 RESILIENT BASE AND ACCESSORIES

09 65 19 09 65 36 09 67 20

RESILIENT TILE FLOORING

STATIC-CONTROLLED RESILIENT FLOORING

POLYURETHANE CONCRETE FLOORING

09 67 23 RESINOUS FLOORING

09 68 13 TILE CARPETING

09 72 00 09 84 33

WALL COVERINGS

SOUND ABSORBING WALL UNITS

09 84 54 FIRE-RATED SOUND BARRIER MULLION TRIM CAP

09 91 14 EXTERIOR PAINTING (MPI STANDARDS)

TABLE OF CONTENTS TOC - 3

09 91 24 INTERIOR PAINTING (MPI STANDARDS)

09 96 11 HIGH-PERFORMANCE COATINGS (PROPRIETARY SPECIFICATION)

DIVISION 10 - SPECIALTIES

10 14 23.16 ROOM-IDENTIFICATION PANEL SIGNAGE

10 21 13.14 STAINLESS STEEL TOILET COMPARTMENTS

10 26 00 WALL AND DOOR PROTECTION

10 28 00 TOILET, BATH, AND LAUNDRY ACCESSORIES

10 44 13 FIRE PROTECTION CABINETS

10 44 16 FIRE EXTINGUISHERS

10 50 51 SOLID CORE PHENOLIC LOCKERS

DIVISION 11 - EQUIPMENT

11 30 13 11 53 53 11 60 00

11 71 01 11 71 11 11 71 12

RESIDENTIAL APPLIANCES

BIOLOGICAL SAFETY CABINETS

MISCELLANEOUS VIVARIUM EQUIPMENT

Including OFCI and CFCI equipment

STERILIZING EQUIPMENT

VIVARIUM WASHING EQUIPMENT

ANIMAL WATERING SYSTEM

DIVISION 12 - FURNISHINGS

12 24 13 ROLLER WINDOW SHADES

12 30 00 GENERAL REQUIREMENTS FOR CASEWORK AND FUME HOODS

12 31 03 FLEXIBLE CASEWORK SYSTEMS

12 35 53.13 METAL LABORATORY CASEWORK

12 36 61.16 12 36 61.19

SOLID SURFACING COUNTERTOPS

QUARTZ AGGLOMERATE COUNTERTOPS

DIVISION 13 - SPECIAL CONSTRUCTION

13 21 00 CONTROLLED ENVIRONMENT ROOMS

DIVISION 14 - CONVEYING EQUIPMENT

14 21 23.16 MACHINE ROOM-LESS ELECTRIC TRACTION PASSENGER

ELEVATORS

END OF TABLE OF CONTENTS – VOLUME 2

A&E

A/E TASK NO. 75N99020F00001

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

ROCKY MOUNTAIN LABORATORIES (RML)

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 1

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

SECTION 03 10 00 - CONCRETE FORMING AND ACCESSORIES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Form-facing material for cast-in-place concrete.

2. Shoring, bracing, and anchoring.

1.3 DEFINITIONS

A. Form-Facing Material: Temporary structure or mold for the support of concrete while the concrete is setting and gaining sufficient strength to be self-supporting.

B. Formwork: The total system of support of freshly placed concrete, including the mold or sheathing that contacts the concrete, as well as supporting members, hardware, and necessary bracing.

1.4 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site .

1. Review the following:

a. Special inspection and testing and inspecting agency procedures for field quality control.

b. Construction, movement, contraction, and isolation joints

c. Forms and form-removal limitations.

d. Shoring and reshoring procedures.

e. Anchor rod and anchorage device installation tolerances.

1.5 ACTION SUBMITTALS

A. Product Data: For each of the following:

1. Exposed surface form-facing material.

2. Waterstops - WS-1.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 2

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

B. Shop Drawings: Prepared by, and signed and sealed by, a qualified professional engineer responsible for their preparation, detailing fabrication, assembly, and support of forms.

1. For exposed vertical concrete walls, indicate dimensions and form tie locations.

2. Indicate dimension and locations of construction and movement joints required to construct the structure in accordance with ACI 301.

a. Location of construction joints is subject to approval of the Architect.

3. Indicate location of waterstops.

4. Indicate form liner layout and form line termination details.

5. Indicate proposed schedule and sequence of stripping of forms, shoring removal, and reshoring installation and removal.

6. Indicate layout of insulating concrete forms, dimensions, course heights, form types, and details.

C. Samples:

1. For waterstops.

1.6 INFORMATIONAL SUBMITTALS

A. Qualification Data: For testing and inspection agency.

1.7 QUALITY ASSURANCE

1.8 DELIVERY, STORAGE, AND HANDLING

A. Form Liners: Store form liners under cover to protect from sunlight.

B. Waterstops: Store waterstops under cover to protect from moisture, sunlight, dirt, oil, and other contaminants.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Concrete Formwork: Design, engineer, erect, shore, brace, and maintain formwork, shores, and reshores in accordance with ACI 301, to support vertical, lateral, static, and dynamic loads, and construction loads that might be applied, until structure can support such loads, so that resulting concrete conforms to the required shapes, lines, and dimensions.

1. Design wood panel forms in accordance with APA's "Concrete Forming Design/Construction Guide."

2. Design formwork to limit deflection of form-facing material to 1/240 of center-to-center spacing of supports.

a. For architectural concrete specified in Section 03 33 00 "Architectural Concrete," limit deflection of form-facing material, studs, and walers to 0.0025 times their respective clear spans (L/400).

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 3

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

2.2 FORM-FACING MATERIALS

A. As-Cast Surface Form-Facing Material:

1. Provide continuous, true, and smooth concrete surfaces.

2. Furnish in largest practicable sizes to minimize number of joints.

3. Acceptable Materials: As required to comply with Surface Finish designations specified in

Section 03 30 00 "Cast-In-Place Concrete, and as follows:

a. Plywood, metal, or other approved panel materials.

b. Exterior-grade plywood panels, suitable for concrete forms, complying with

DOC PS 1, and as follows:

1) APA MDO (medium-density overlay); mill-release agent treated and edge sealed.

B. Concealed Surface Form-Facing Material: Lumber, plywood, metal, plastic, or another approved material.

1. Provide lumber dressed on at least two edges and one side for tight fit.

C. Forms for Cylindrical Columns, Pedestals, and Supports: Metal, glass-fiber-reinforced plastic, paper, or fiber tubes that produce surfaces without spiral or vertical seams not exceeding specified formwork surface class.

1. Provide forms with sufficient wall thickness to resist plastic concrete loads without detrimental deformation.

2.3 WATERSTOPS - WS-1

A. Self-Expanding Butyl Strip Waterstops: Manufactured rectangular or trapezoidal strip, butyl rubber with sodium bentonite or other hydrophilic polymers, for adhesive bonding to concrete, 3/4 by 1 inch.

1. To be reviewed by waterproofing consultant.

B. Self-Expanding Rubber Strip Waterstops: Manufactured rectangular or trapezoidal strip, bentonite-free hydrophilic polymer-modified chloroprene rubber, for adhesive bonding to concrete, 3/8 by 3/4 inch.

1. To be reviewed by waterproofing consultant.

2.4 RELATED MATERIALS

A. Reglets: Fabricate reglets of not less than 0.022-inch- thick, galvanized-steel sheet. Temporarily fill or cover face opening of reglet to prevent intrusion of concrete or debris.

B. Dovetail Anchor Slots: Hot-dip galvanized-steel sheet, not less than 0.034 inch thick, with bent tab anchors. Temporarily fill or cover face opening of slots to prevent intrusion of concrete or debris.

C. Chamfer Strips: Wood, metal, PVC, or rubber strips, 3/4 by 3/4 inch, minimum.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 4

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

D. Form-Release Agent: Commercially formulated form-release agent that does not bond with, stain, or adversely affect concrete surfaces and does not impair subsequent treatments of concrete surfaces.

1. Formulate form-release agent with rust inhibitor for steel form-facing materials.

2. Form release agent for form liners shall be acceptable to form liner manufacturer.

E. Form Ties: Factory-fabricated, removable or snap-off, glass-fiber-reinforced plastic or metal form ties designed to resist lateral pressure of fresh concrete on forms and to prevent spalling of concrete on removal.

1. Furnish ties with integral water-barrier plates to walls indicated to receive dampproofing or waterproofing.

PART 3 - EXECUTION

3.1 INSTALLATION OF FORMWORK

A. Comply with ACI 301.

B. Construct formwork, so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117 and to comply with the Surface Finish designations specified in Section 03 30 00 "Cast-In-Place Concrete" for as-cast finishes .

C. Limit concrete surface irregularities as follows:

1. Surface Finish-2.0: ACI 117 Class B, 1/4 inch.

D. Construct forms tight enough to prevent loss of concrete mortar.

1. Minimize joints.

2. Exposed Concrete: Symmetrically align joints in forms.

E. Construct removable forms for easy removal without hammering or prying against concrete surfaces.

1. Provide crush or wrecking plates where stripping may damage cast-concrete surfaces.

2. Provide top forms for inclined surfaces steeper than 1.5 horizontal to 1 vertical.

3. Install keyways, reglets, recesses, and other accessories, for easy removal.

F. Do not use rust-stained, steel, form-facing material.

G. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces.

1. Provide and secure units to support screed strips

2. Use strike-off templates or compacting-type screeds.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 5

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

H. Provide temporary openings for cleanouts and inspection ports where interior area of formwork is inaccessible.

1. Close openings with panels tightly fitted to forms and securely braced to prevent loss of concrete mortar.

2. Locate temporary openings in forms at inconspicuous locations.

I. Chamfer exterior corners and edges of permanently exposed concrete.

J. At construction joints, overlap forms onto previously placed concrete not less than 12 inches.

K. Form openings, chases, offsets, sinkages, keyways, reglets, blocking, screeds, and bulkheads required in the Work.

1. Determine sizes and locations from trades providing such items.

2. Obtain written approval of Architect prior to forming openings not indicated on Drawings.

L. Construction and Movement Joints:

1. Construct joints true to line with faces perpendicular to surface plane of concrete.

2. Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Architect.

3. Place joints perpendicular to main reinforcement.

4. Locate horizontal joints in walls and columns at underside of floors, slabs, beams, and girders and at the top of footings or floor slabs.

5. Space vertical joints in walls in concealed locations where possible .

M. Provide temporary ports or openings in formwork where required to facilitate cleaning and inspection.

1. Locate ports and openings in bottom of vertical forms, in inconspicuous location, to allow flushing water to drain.

2. Close temporary ports and openings with tight-fitting panels, flush with inside face of form, and neatly fitted, so joints will not be apparent in exposed concrete surfaces.

N. Clean forms and adjacent surfaces to receive concrete. Remove chips, wood, sawdust, dirt, and other debris just before placing concrete.

O. Retighten forms and bracing before placing concrete, as required, to prevent mortar leaks and maintain proper alignment.

P. Coat contact surfaces of forms with form-release agent, according to manufacturer's written instructions, before placing reinforcement.

3.2 INSTALLATION OF EMBEDDED ITEMS

A. Place and secure anchorage devices and other embedded items required for adjoining work that is attached to or supported by cast-in-place concrete.

1. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 6

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

2. Install anchor rods, accurately located, to elevations required and complying with tolerances in Section 7.5 of AISC 303.

3. Install reglets to receive waterproofing and to receive through-wall flashings in outer face of concrete frame at exterior walls, where flashing is shown at lintels, shelf angles, and other conditions.

4. Install dovetail anchor slots in concrete structures, as indicated on Drawings.

5. Clean embedded items immediately prior to concrete placement.

3.3 INSTALLATION OF WATERSTOPS

A. Flexible Waterstops: Install in construction joints and at other joints indicated to form a continuous diaphragm.

1. Install in longest lengths practicable.

2. Locate and install waterstops as required by waterproofing consultant.

3. Field fabricate joints in accordance with manufacturer's instructions and as required by waterproofing consultant.

a. Miter corners, intersections, and directional changes in waterstops.

4. Clean waterstops immediately prior to placement of concrete.

5. Support and protect exposed waterstops during progress of the Work.

B. Self-Expanding Strip Waterstops: Install in construction joints and at other locations as required by waterproofing consultant, according to manufacturer's written instructions, by adhesive bonding, mechanically fastening, and firmly pressing into place.

1. Install in longest lengths practicable.

2. Protect exposed waterstops during progress of the Work.

3.4 REMOVING AND REUSING FORMS

A. Formwork for sides of footings, slabs-on-grade, and similar parts of the Work that does not support weight of concrete may be removed after cumulatively curing at not less than50 deg F for 24 hours after placing concrete. Concrete has to be hard enough to not be damaged by form-removal operations, and curing and protection operations need to be maintained.

1. Leave formwork for structural elements that support weight of concrete in place until concrete has achieved at least 70 percent of its 28-day design compressive strength.

2. Remove forms only if shores have been arranged to permit removal of forms without loosening or disturbing shores.

B. Clean and repair surfaces of forms to be reused in the Work.

1. Split, frayed, delaminated, or otherwise damaged form-facing material are unacceptable for exposed surfaces.

2. Apply new form-release agent.

C. When forms are reused, clean surfaces, remove fins and laitance, and tighten to close joints.

1. Align and secure joints to avoid offsets.

2. Do not use patched forms for exposed concrete surfaces unless approved by Architect.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE FORMING AND ACCESSORIES 03 10 00 - 7

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

3.5 SHORING AND RESHORING INSTALLATION

A. Comply with ACI 318 and ACI 301 for design, installation, and removal of shoring and reshoring.

1. Do not remove shoring or reshoring until measurement of slab tolerances is complete.

B. In multistory construction, extend shoring or reshoring over a sufficient number of stories to distribute loads in such a manner that no floor or member will be excessively loaded or will induce tensile stress in concrete members without sufficient steel reinforcement.

C. Plan sequence of removal of shores and reshore to avoid damage to concrete. Locate and provide adequate reshoring to support construction without excessive stress or deflection.

3.6 FIELD QUALITY CONTROL

A. Special Inspections: Owner will engage a special inspector andqualified testing and inspecting agency to perform field tests and inspections and prepare test reports.

B. Inspections:

1. Inspect formwork for shape, location, and dimensions of the concrete member being formed.

2. Inspect insulating concrete forms for shape, location, and dimensions of the concrete member being formed.

END OF SECTION 03 10 00

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE REINFORCING 03 20 00 - 1

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

SECTION 03 20 00 - CONCRETE REINFORCING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Steel reinforcement bars.

2. Welded-wire reinforcement.

B. Related Requirements:

1. Section 32 13 13 "Concrete Paving" for reinforcing related to concrete pavement and walks.

1.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site .

1. Review the following:

a. Special inspection and testing and inspecting agency procedures for field quality control.

b. Construction contraction and isolation joints.

c. Steel-reinforcement installation.

1.4 ACTION SUBMITTALS

A. Product Data: For the following:

1. Each type of steel reinforcement.

2. Bar supports.

3. Mechanical splice couplers.

B. Shop Drawings: Comply with ACI SP-066:

1. Include placing drawings that detail fabrication, bending, and placement.

2. Include bar sizes, lengths, materials, grades, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, location of splices, lengths of lap splices, details of mechanical splice couplers, details of welding splices, tie spacing, hoop spacing, and supports for concrete reinforcement.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE REINFORCING 03 20 00 - 2

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

C. Construction Joint Layout: Indicate proposed construction joints required to build the structure.

1. Location of construction joints is subject to approval of the Architect.

1.5 INFORMATIONAL SUBMITTALS

A. Qualification Statements: For testing and inspection agency.

B. Welding certificates.

1. Reinforcement To Be Welded: Welding procedure specification in accordance with AWS D1.4/D1.4M

C. Material Test Reports: For the following, from a qualified testing agency:

1. Steel Reinforcement:

a. For reinforcement to be welded, mill test analysis for chemical composition and carbon equivalent of the steel in accordance with ASTM A706/A706M.

1.6 QUALITY ASSURANCE

A. Testing Agency Qualifications: An independent agency, acceptable to authorities having jurisdiction, qualified in accordance with ASTM C1077 and ASTM E329 for testing indicated.

B. Welding Qualifications: Qualify procedures and personnel in accordance with

AWS D1.4/D 1.4M.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Steel Reinforcement: Deliver, store, and handle steel reinforcement to prevent bending and damage.

1. Store reinforcement to avoid contact with earth.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

2.2 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A615/A615M, Grade 60 , deformed.

B. Plain-Steel Welded-Wire Reinforcement: ASTM A1064/A1064M, plain, fabricated from as-drawn steel wire into flat sheets.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE REINFORCING 03 20 00 - 3

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

2.3 REINFORCEMENT ACCESSORIES

A. Joint Dowel Bars: ASTM A615/A615M, Grade 60, plain-steel bars, cut true to length with ends square and free of burrs.

B. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded-wire reinforcement in place.

1. Manufacture bar supports from steel wire, plastic, or precast concrete in accordance with CRSI's "Manual of Standard Practice," of greater compressive strength than concrete and as follows:

a. For concrete surfaces exposed to view, where legs of wire bar supports contact forms, use CRSI Class 1 plastic-protected steel wire, all-plastic bar supports, or CRSI Class 2 stainless steel bar supports.

C. Steel Tie Wire: ASTM A1064/A1064M, annealed steel, not less than 0.0508 inch in diameter.

1. Finish: Plain .

2.4 FABRICATING REINFORCEMENT

A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice."

PART 3 - EXECUTION

3.1 PREPARATION

A. Protection of In-Place Conditions:

1. Pre-Applied Sheet Membrane Waterproofing: Take precautions to not disturb or damage the underslab waterproofing membrane. Repairs to this membrane shall only be made by the original membrane installer.

2. Do not cut or puncture vapor retarder.

3. Repair damage and reseal vapor retarder before placing concrete.

B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials that reduce bond to concrete.

3.2 INSTALLATION OF STEEL REINFORCEMENT

A. Comply with CRSI's "Manual of Standard Practice" for placing and supporting reinforcement.

B. Accurately position, support, and secure reinforcement against displacement.

1. Locate and support reinforcement with bar supports to maintain minimum concrete cover.

2. Do not tack weld crossing reinforcing bars.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE REINFORCING 03 20 00 - 4

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

C. Preserve clearance between bars of not less than 1 inch, not less than one bar diameter, or not less than 1-1/3 times size of large aggregate, whichever is greater.

D. Provide concrete coverage in accordance with ACI 318.

E. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces.

F. Splices: Lap splices as indicated on Drawings.

1. Stagger splices in accordance with ACI 318.

2. Mechanical Splice Couplers: Install in accordance with manufacturer's instructions.

3. Weld reinforcing bars in accordance with AWS D1.4/D 1.4M, where indicated on

Drawings.

G. Install welded-wire reinforcement in longest practicable lengths.

1. Support welded-wire reinforcement in accordance with CRSI "Manual of Standard Practice."

a. For reinforcement less than W4.0 or D4.0, continuous support spacing shall not exceed 12 inches.

2. Lap edges and ends of adjoining sheets at least one wire spacing plus 2 inches for plain wire and 8 inches for deformed wire.

3. Offset laps of adjoining sheet widths to prevent continuous laps in either direction.

4. Lace overlaps with wire.

3.3 JOINTS

A. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Architect.

1. Place joints perpendicular to main reinforcement.

2. Continue reinforcement across construction joints unless otherwise indicated.

3. Do not continue reinforcement through sides of strip placements of floors and slabs.

B. Doweled Joints: Install dowel bars and support assemblies at joints where indicated. Lubricate or asphalt coat one-half of dowel length, to prevent concrete bonding to one side of joint.

3.4 INSTALLATION TOLERANCES

A. Comply with ACI 117.

3.5 FIELD QUALITY CONTROL

A. Special Inspections: Owner will engage a special inspector and qualified testing and inspecting agency to perform field tests and inspections and prepare test reports.

B. Inspections:

1. Steel-reinforcement placement.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CONCRETE REINFORCING 03 20 00 - 5

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

2. Steel-reinforcement welding.

C. Manufacturer's Inspections: Engage manufacturer of structural thermal break insulated connection system to inspect completed installations prior to placement of concrete, and to provide written report that installation complies with manufacturer's written instructions.

END OF SECTION 03 20 00

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 1

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

SECTION 03 30 00 - CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Cast-in-place concrete, including concrete materials, mixture design, placement procedures, and finishes.

B. Related Requirements:

1. Section 03 10 00 "Concrete Forming and Accessories" for form-facing materials, form liners, insulating concrete forms, and waterstops.

2. Section 03 20 00 "Concrete Reinforcing" for steel reinforcing bars and welded-wire reinforcement.

3. Section 31 20 00 "Earth Moving" for drainage fill under slabs-on-ground.

4. Section 32 13 13 "Concrete Paving" for concrete pavement and walks.

1.3 DEFINITIONS

A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement, fly ash, slag cement, other pozzolans, and silica fume;

materials subject to compliance with requirements.

B. Water/Cement Ratio (w/cm): The ratio by weight of water to cementitious materials.

1.4 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at location to be determined .

1. Require representatives of each entity directly concerned with cast-in-place concrete to attend, including the following:

a. Contractor's superintendent.

b. Independent testing agency responsible for concrete design mixtures.

c. Ready-mix concrete manufacturer.

d. Concrete Subcontractor.

e. Special concrete finish Subcontractor.

2. Review the following:

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 2

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

a. Special inspection and testing and inspecting agency procedures for field quality control.

b. Construction joints, control joints, isolation joints, and joint-filler strips.

c. Semirigid joint fillers.

d. Vapor-retarder installation.

e. Anchor rod and anchorage device installation tolerances.

f. Cold and hot weather concreting procedures.

g. Concrete finishes and finishing.

h. Curing procedures.

i. Forms and form-removal limitations.

j. Shoring and reshoring procedures.

k. Methods for achieving specified floor and slab flatness and levelness.

l. Floor and slab flatness and levelness measurements.

m. Concrete repair procedures.

n. Concrete protection.

o. Initial curing and field curing of field test cylinders (ASTM C31/C31M.)

p. Protection of field cured field test cylinders.

1.5 ACTION SUBMITTALS

A. Product Data: For each of the following.

1. Portland cement.

2. Fly ash.

3. Aggregates.

4. Admixtures:

a. Include limitations of use, including restrictions on cementitious materials, supplementary cementitious materials, air entrainment, aggregates, temperature at time of concrete placement, relative humidity at time of concrete placement, curing conditions, and use of other admixtures.

5. Vapor retarders.

6. Floor and slab treatments.

7. Curing materials.

a. Include documentation from color pigment manufacturer, indicating that proposed methods of curing are recommended by color pigment manufacturer.

8. Joint fillers.

9. Repair materials.

B. Design Mixtures: For each concrete mixture, include the following:

1. Mixture identification.

2. Minimum 28-day compressive strength.

3. Durability exposure class.

4. Maximum w/cm.

5. Calculated equilibrium unit weight, for lightweight concrete.

6. Slump limit.

7. Air content.

8. Nominal maximum aggregate size.

9. Steel-fiber reinforcement content.

10. Synthetic micro-fiber content.

11. Indicate amounts of mixing water to be withheld for later addition at Project site if permitted.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 3

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

12. Include manufacturer's certification that permeability-reducing admixture is compatible with mix design.

13. Include certification that dosage rate for permeability-reducing admixture matches dosage rate used in performance compliance test.

14. Intended placement method.

15. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments.

C. Shop Drawings:

1. Construction and control Joint Layout for concrete slabs: Indicate proposed construction joints and control joints required to construct the structure.

a. Location of slab construction joints and control joints is subject to approval of the

Architect.

1.6 INFORMATIONAL SUBMITTALS

A. Qualification Data: For the following:

1. Installer: Include copies of applicable ACI certificates.

B. Material Certificates: For each of the following, signed by manufacturers:

1. Cementitious materials.

2. Admixtures.

3. Curing compounds.

4. Floor and slab treatments - CONC-1.

5. Bonding agents.

6. Adhesives.

7. Vapor retarders - VB-1.

8. Semirigid joint filler.

9. Joint-filler strips.

10. Repair materials.

C. Material Test Reports: For the following, from a qualified testing agency:

1. Portland cement.

2. Fly ash.

3. Aggregates.

4. Admixtures:

a. Permeability-Reducing Admixture: Include independent test reports, indicating compliance with specified requirements, including dosage rate used in test.

D. Floor surface flatness and levelness measurements report, indicating compliance with specified tolerances.

E. Research Reports:

1. For concrete admixtures in accordance with ICC's Acceptance Criteria AC198.

2. For sheet vapor retarder/termite barrier, showing compliance with ICC AC380.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 4

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

F. Field quality-control reports.

1.7 QUALITY ASSURANCE

A. Ready-Mixed Concrete Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C94/C94M requirements for production facilities and equipment.

1. Manufacturer certified in accordance with NRMCA's "Certification of Ready Mixed Concrete Production Facilities."

1.8 MOCK-UPS

A. Provide mockup for typical trench drain in concrete slab. Mockup to include stainless steel trench liner and stainless steel grate. Mockup to be minimum 4' long and include a typical "end" condition.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Comply with ASTM C94/C94M and ACI 301.

1.10 FIELD CONDITIONS

A. Cold-Weather Placement: Comply with ACI 301 and ACI 306.1 and as follows.

1. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

2. When average high and low temperature is expected to fall below 40 deg F for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301.

3. Do not use frozen materials or materials containing ice or snow.

4. Do not place concrete in contact with surfaces less than 35 deg F, other than reinforcing steel.

5. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs.

B. Hot-Weather Placement: Comply with ACI 301 and ACI 305.1, and as follows:

1. Maintain concrete temperature at time of discharge to not exceed 95 deg F.

2. Fog-spray forms, steel reinforcement, and subgrade just before placing concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas.

1.11 WARRANTY

A. Manufacturer's Warranty: Manufacturer agrees to furnish replacement sheet vapor retarder/termite barrier material and accessories for sheet vapor retarder/ termite barrier and

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 5

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013) accessories that do not comply with requirements or that fail to resist penetration by termites within specified warranty period.

1. Warranty Period: 10 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 CONCRETE, GENERAL

A. ACI Publications: Comply with ACI 301unless modified by requirements in the Contract Documents.

2.2 CONCRETE MATERIALS

A. Source Limitations:

1. Obtain all concrete mixtures from a single ready-mixed concrete manufacturer for entire Project.

2. Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant.

3. Obtain aggregate from single source.

4. Obtain each type of admixture from single source from single manufacturer.

B. Cementitious Materials:

1. Portland Cement: ASTM C150/C150M, Type I Type II , .

2. Fly Ash: ASTM C618, Class C or F.

C. Normal-Weight Aggregates: ASTM C33/C33M, coarse aggregate or better, graded. Provide aggregates from a single source.

1. Maximum Coarse-Aggregate Size: 1-1/2 inches nominal.

2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement.

D. Air-Entraining Admixture: ASTM C260/C260M.

E. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures that do not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride .

1. Water-Reducing Admixture: ASTM C494/C494M, Type A.

2. Retarding Admixture: ASTM C494/C494M, Type B.

3. Water-Reducing and -Retarding Admixture: ASTM C494/C494M, Type D.

4. Permeability-Reducing Admixture: ASTM C494/C494M, Type S, hydrophilic, permeability-reducing crystalline admixture, capable of reducing water absorption of concrete exposed to hydrostatic pressure (PRAH).

a. Permeability: No leakage when tested in accordance with U.S. Army Corps of

Engineers CRC C48 at a hydraulic pressure of 200 psi for 14 days.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 6

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

F. Water and Water Used to Make Ice: ASTM C94/C94M, potable

2.3 VAPOR RETARDERS

A. Sheet Vapor Retarder, Class C - VB-1: ASTM E1745, Class C ; not less than 15 mils thick.

Include manufacturer's recommended adhesive or pressure-sensitive joint tape.

1. Basis-of-Design: Stego Industries, Stego Wrap Vapor Barrier.

2. Reef Industries, Vaporguard.

3. Fortifiber, Moistop Ultra 15.

4. Provide seam tape and all accessories by same manufacturer as the vapor retarder.

2.4 LIQUID FLOOR TREATMENTS

A. Penetrating Liquid Floor Treatment - CONC-1: Clear, chemically reactive, waterborne solution of inorganic silicate or siliconate materials and proprietary components; odorless; that penetrates, hardens, and densifies concrete surfaces.

1. Products: Subject to compliance with requirements, provide one of the following:

a. Dayton Superior.

b. Euclid Chemical Company (The); an RPM company; Eucosil

c. Laticrete International, Inc.; L&M Seal Hard.

d. Master Builders Solutions; MasterKure HD 200WB

e. PROSOCO, Inc; Consolideck LS.

f. W.R. Meadows, Inc; Liqui-Hard

2.5 CURING MATERIALS

A. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.

B. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. when dry.

C. Moisture-Retaining Cover: ASTM C171, polyethylene film burlap-polyethylene sheet.

D. Water: Potable or complying with ASTM C1602/C1602M.

2.6 RELATED MATERIALS

A. Expansion- and Isolation-Joint-Filler Strips: ASTM D1751, asphalt-saturated cellulosic fiber .

B. Semirigid Joint Filler: Two-component, semirigid, 100 percent solids, in accordance with

ASTM D2240.

http://www.specagent.com/LookUp/?ulid=11023&mf=04&src=wd#http://www.specagent.com/LookUp/?ulid=11023&mf=04&src=wd

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 7

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

2.7 REPAIR MATERIALS

A. Repair Underlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8 inch and that can be feathered at edges to match adjacent floor elevations.

1. Cement Binder: ASTM C150/C150M portland cement or hydraulic or blended hydraulic cement, as defined in ASTM C219.

2. Primer: Product of underlayment manufacturer recommended for substrate, conditions, and application.

3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand, as recommended by underlayment manufacturer.

4. Compressive Strength: Not less than 4100 psi at 28 days when tested in accordance with

ASTM C109/C109M.

B. Repair Overlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/4 inch and that can be filled in over a scarified surface to match adjacent floor elevations.

1. Cement Binder: ASTM C150/C150M portland cement or hydraulic or blended hydraulic cement, as defined in ASTM C219.

2. Primer: Product of topping manufacturer recommended for substrate, conditions, and application.

3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand as recommended by topping manufacturer.

4. Compressive Strength: Not less than 5000 psi at 28 days when tested in accordance with

ASTM C109/C109M.

2.8 CONCRETE MIXTURES, GENERAL

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, in accordance with ACI 301.

1. Use a qualified testing agency for preparing and reporting proposed mixture designs, based on laboratory trial mixtures.

B. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than portland cement in concrete as follows:

1. Fly Ash or Other Pozzolans: 25 percent by mass.

2. Slag Cement: 25 percent by mass.

3. Silica Fume: 10 percent by mass.

4. Total of Fly Ash or Other Pozzolans, Slag Cement, and Silica Fume: 25 percent by mass.

C. Admixtures: Use admixtures in accordance with manufacturer's written instructions.

1. Use water-reducing or plasticizing admixture in concrete, as required, for placement and workability.

2. Use water-reducing and -retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.

3. Use corrosion-inhibiting admixture in concrete mixtures where indicated.

A/E CONTRACT NO. HHSN292201 40 0006I

NATIONAL INSTITUTES OF HEALTH (NIH)

RML COMPARATIVE MEDICINE CENTER

(RCMC) VIVARIUM

CAST-IN-PLACE CONCRETE 03 30 00 - 8

Copyright © 2020 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "A&E Architects - Billings - Main" for "RML COMPARATIVE MEDICINE CENTER". A valid, current MasterSpec license is required for editing and use of this document for any other project.(11013)

4. Use permeability-reducing admixture in concrete mixtures where indicated.

2.9 CONCRETE MIXTURES

A. Normal-weight concrete used for footings and foundation walls.

1. Exposure Class: ACI 318 F2 .

2. Minimum Compressive Strength: 4500 psi at 28 days.

3. Maximum w/cm: 0.45 .

4. Slump Limit: 8 inches, plus or minus 1 inch for concrete with verified slump of 4 inches plus or minus 1 inch before adding water-reducing admixture or plasticizing admixture at Project site.

5. Air Content:

a. Exposure Classes F2 and F3: 5.5 percent, plus or minus 1.5 percent at point of delivery for concrete containing 1-1/2-inch nominal maximum aggregate size.

B. Normal-weight concrete used for interior slabs-on-ground.

1. Exposure Class: ACI 318 F2

2. Minimum Compressive Strength: 4500 psi at 28 days.

3. Maximum w/cm: 0.45 .

4. Minimum Cementitious Materials Content: 470 lb/cu. yd. .

5. Slump Limit: 8 inches , plus or minus 1 inch for concrete with verified slump of 3 inches plus or minus 1 inch before adding high-range water-reducing admixture or plasticizing admixture at Project site .

6. Air Content:

a. Do not use an air-entraining admixture or allow total air content to exceed 3 percent for concrete used in trowel-finished floors.

C. Normal-weight concrete used for interior suspended slabs and topping slabs.

1. Exposure Class: ACI 318 F1 .

2. Minimum Compressive Strength: 4500 psi at 28 days.

3. Maximum w/cm: 0.45 .

4. Minimum Cementitious Materials Content: 520 lb/cu. yd. .

5. Slump Limit: 8 inches, plus or minus 1 inch for concrete with verified slump of 3 inches…