Harbor Beach - BP1 - Specification Book 08-28-2026.pdf

Specifications For

BP1: Office Addition & Renovations Harbor Beach Community Schools 402 S 5th St, Harbor Beach, Michigan 48441

Owner

Harbor Beach Community Schools 402 S 5th St, Harbor Beach, Michigan 48441

Issued For: Construction Date: August 28, 2026

Project Number

24-128

DIVISION 1 - GENERAL REQUIREMENTS

003121 Site Survey Information

003132 Geotechnical Data

012300 Alternates

DIVISION 2 � EXISTING CONDITIONS

024119 Selective Demolition

DIVISION 3 � CONCRETE

033000 Cast in Place Concrete

DIVISION 4 � MASONRY

042200 Concrete Unit Masonry

DIVISION 5 � METALS

051200 Structural Steel Framing

052100 Steel Joist Framing

053100 Steel Decking

054000 Cold-Formed Metal Framing

055000 Metal Fabrications

DIVISION 6 � WOOD, PLASTICS AND COMPOSITES

061000 Rough Carpentry

061600 Sheathing

064116 Plastic-Laminate-Clad Architectural Cabinets

DIVISION 7 � THERMAL AND MOISTURE PROTECTION

072100 Thermal Insulation

072119 Foamed-in-place Insulation

074213.13 Metal Wall Panels

075419 PVC Roofing

078413 Penetration Firestopping

079200 Joint Sealants

DIVISION 8 � OPENINGS

081113 Hollow Metal Door Frames

081416 Flush Wood Doors 083513 Accordion Folding Doors 084113 Aluminum-Framed Entrances and Storefronts 084500 Translucent Insulated Panels 087100 Door Hardware 088000 Glazing

DIVISION 9 � FINISHES

092216 Non-Structural Metal Framing

092900 Gypsum Board 093013 Ceramic Tiling 095100 Acoustical Ceilings

096513 Resilient Base and Accessories 096519 Resilient Tile Flooring 096733 Gymnasium Wood Floor Refinishing 096813 Tile Carpeting

098500 Sound Transmission Control Materials 099113 Exterior Painting 099123 Interior Painting

DIVISION 10 � SPECIALTIES

102800 Toilet Accessories 104413 Fire Protection Cabinets 104416 Fire Extinguishers

DIVISION 11 � EQUIPMENT

116000 Instrument Casework

116623 Athletic Equipment

DIVISION 12 � FURNISHINGS

122413 Roller Window Shades

123616 Custom Metal Countertops

123623.13 Plastic Laminate Clad Countertops

123661.16 Solid Surface Sills

126600 Gymnasium Bleachers

DIVISION 13-20 (NOT USED)

DIVISION 21 � FIRE SUPPRESSION

210517 Sleeves and Sleeve Seals for Fire-Suppression Piping

211313 Wet-Pipe Sprinkler Systems

DIVISION 22 � PLUMBING

220500 Common Work Results for Plumbing

220553 Identification for Plumbing Piping and Equipment

220719 Plumbing Piping Insulation

221116 Domestic Water Piping

221119 Domestic Water Piping Specialties

221316 Sanitary Waste and Vent Piping

221319 Sanitary Waste Piping Specialties

221319.13 Sanitary Drains

221413 Facility Storm Drainage Piping

221423 Storm Drainage Piping Specialties

223300 Electric, Domestic-Water Heaters

224213.13 Commercial Water Closets

224213.16 Commercial Urinals

224216.13 Commercial Lavatories

224216.16 Commercial Sinks

224716 Pressure Water Coolers

DIVISION 23 � HEATING, VENTILATING AND AIR CONDITIONING

230100 General Mechanical Provisions

230500 Common Work Results for HVAC

230553 Identification for HVAC Piping and Equipment

230593 Testing, Adjusting, and Balancing for HVAC

230713 Duct Insulation

230719 HVAC Piping Insulation

230923 Building Automation Systems (BAS) for HVAC

231123 Facility Natural Gas Piping

232113 Hydronic Piping

232116 Hydronic Piping Specialties

232123 Hydronic Pumps

233113 Metal Ducts

233300 Air Duct Accessories

233346 Flexible Ducts

233423 HVAC Power Ventilators

233713.13 Air Diffusers

235216 Condensing Boilers

237223.29 Packaged, Outdoor, Fixed Plate Energy Recovery Units

237416 Packaged, Rooftop Air-Conditioner Units

238126 Split-System Air-Conditioners

238223 Unit Ventilators (Tall Cabinet Type)

238223 Unit Ventilators (Vertical, Under-the-Window Type)

238239.13 Cabinet Unit Heaters

238323 Radiant-Heating Electrical Panels

DIVISION 26 � ELECTRICAL

260000 Basic Electrical Requirements 260500 Common Work Results for Electrical 260505 Selective Demolition for Electrical 260519 Low-Voltage Electrical Power Conductors and Cables 260526 Grounding and Bonding for Electrical Systems 260529 Hangers and Support for Electrical Systems

260533.13 Conduit for Electrical Systems

260533.16 Boxes for Electrical Systems

260553 Identification for Electrical Systems 260583 Wiring Connections 260923 Lighting Control Devices

262200 Low-Voltage Transformers 262413 Switchboards 262416 Panelboards 262716 Electrical Cabinets and Enclosures 262726 Wiring Devices 262813 Fuses 262816 Enclosed Switches and Circuit Breakers 262913 Enclosed Controllers 262934 Enclosed Contractor 264313 Surge Protection Devices for Low-Voltage Electrical Power Circuits 265100 Interior Lighting 265600 Exterior Lighting

DIVISION 27 � COMMUNICATIONS

270528 Pathways for Communication System 271500 Communication Horizontal Cabling 275116 Public Address Systems

DIVISION 28 � ELECTRONIC SAFETY AND Security

284613 Fire Alarm System

DIVISION 31 � EARTHWORK

311000 Site Clearing 312000 Earth Moving

DIVISION 32 � EXTERIOR IMPROVEMENTS

321216 Asphalt Paving 321313 Concrete Paving 321374 Concrete Paving Joint Sealants 329200 Turf Restoration

DIVISION 33 - EXTERIOR IMPROVEMENTS

333100 Sanitary Sewer 334200 Storm Utility Drainage Piping

END OF TABLE OF CONTENTS

SITE SURVEY INFORMATION

003121- 1

SECTION 003121

SITE SURVEY INFORMATION

PART 1 - GENERAL

1.1 SURVEY INFORMATION

A. This Document with its referenced attachments is part of the Procurement and Contracting

Requirements for Project. They provide Owner's information for Bidders' convenience and are intended to supplement rather than serve in lieu of Bidders' own investigations. They are made available for Bidders' convenience and information. This Document and its attachments are not part of the Contract Documents.

B. The Site Survey, completed by Nederveld dated, January 12, 2026, was used for the bases of design and, is available upon request.

END OF SECTION 003121

BLANK PAGE

SECTION 012300

ALTERNATES

012300 - 1

SECTION 012300

ALTERNATES

PART 1 - GENERAL

1.1 SUMMARY

1. Section includes administrative and procedural requirements for alternates.

1.2 DEFINITIONS

1. Alternate: An amount proposed by bidders and stated on the Bid Form for certain work defined in the bidding requirements that may be added to or deducted from the base bid amount if the Owner decides to accept a corresponding change either in the amount of construction to be completed or in the products, materials, equipment, systems, or installation methods described in the Contract

Documents.

1. Alternates described in this Section are part of the Work only if enumerated in the

Agreement.

2. The cost or credit for each alternate is the net addition to or deduction from the Contract

Sum to incorporate alternates into the Work. No other adjustments are made to the Contract

Sum.

1.3 PROCEDURES

1. Coordination: Revise or adjust affected adjacent work as necessary to completely integrate work of the alternate into Project.

1. Include as part of each alternate, miscellaneous devices, accessory objects, and similar items incidental to or required for a complete installation whether or not indicated as part of alternate.

2. Execute accepted alternates under the same conditions as other work of the Contract.

3. Schedule: A schedule of alternates is included at the end of this Section. Specification Sections referenced in schedule contain requirements for materials necessary to achieve the work described under each alternate.

SECTION 012300

ALTERNATES

012300 - 2

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 SCHEDULE OF ALTERNATES

1. Alternate No. 1: Science Lab Countertop Refinishing

1. Base Bid: No modifications to existing countertops.

2. Add Alternate: Refinish Existing Lab Countertops in Room Science [H121].

2. Alternate No. 2: Flooring Installation, Moisture Mitigation

1. Base Bid: NA

2. Add Alternate: Provide SF Cost for moisture mitigation in preparation for flooring installation following ASTM F3010 (Standard Practice for Two

Component Resin Based Membrane-Forming Moisture Mitigation

Systems for Use Under Resilient Floor Coverings)

SECTION 024119 -

SELECTIVE DEMOLITION

024119 - 1

SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Demolition and removal of selected portions of building or structure.

2. Demolition and removal of selected site elements.

3. Salvage of existing items to be reused or recycled.

1.2 FIELD CONDITIONS

A. Owner will occupy portions of building immediately adjacent to selective demolition area.

Conduct selective demolition so Owner's operations will not be disrupted.

B. Conditions existing at time of inspection for bidding purpose will be maintained by Owner as far as practical.

C. Notify Architect of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

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.

1. Maintain fire-protection facilities in service during selective demolition operations.

F. Arrange selective demolition schedule so as not to interfere with Owner's operations.

PART 2 - EXECUTION

2.1 EXAMINATION

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

B. Inventory and record the condition of items to be removed and salvaged.

2.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

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

024119 - 2

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

1. Owner will arrange to shut off indicated services/systems when requested by Contractor.

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

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

d. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner.

2.3 PROTECTION

A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

B. Temporary Shoring: Design, 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.

C. Remove temporary barricades and protections where hazards no longer exist.

2.4 SELECTIVE DEMOLITION

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:

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. 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 portable fire-suppression devices during flame-cutting operations.

4. Maintain fire watch during and for at least 1 hours after flame-cutting operations.

024119 - 3

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

6. Dispose of demolished items and materials promptly. Comply with requirements in

Section 017419 "Construction Waste Management and Disposal."

B. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

C. Removed and Salvaged Items:

1. Clean salvaged items.

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

3. Store items in a secure area until delivery to Owner.

4. Transport items to Owner's storage area designated by Owner .

5. Protect items from damage during transport and storage.

D. 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.

E. 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.

2.5 CLEANING

A. Remove demolition waste materials from Project site and recycle or dispose of them according to Section 017419 "Construction Waste Management and Disposal."

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 017419 "Construction Waste

Management and Disposal."

B. Burning: Do not burn demolished materials.

C. 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.

END OF SECTION 024119

024119 - 4

BLANK PAGE

CAST-IN-PLACE CONCRETE

033000 - 1

SECTION 033000

CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

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

1.2 REFERENCES

A. ACI 301 Specifications for Structural Concrete for Buildings.

B. ACI 305 Hot Weather Concreting.

C. ACI 306.1 Standard Specification for Cold Weather Concreting.

D. ACI 318 Building Code Requirements for Reinforced Concrete.

E. ANSI/ASTM A185 Welded Wire Fabric for Concrete Reinforcement.

F. ASTM A615 Deformed and Plain Billet Steel for Concrete Reinforcement.

G. ASTM C33 Concrete Aggregates.

H. ASTM C94 Ready Mixed Concrete.

I. ASTM C150 Portland Cement.

J. ASTM C260 Air Entraining Admixtures for Concrete.

K. ASTM C309 Liquid Membrane Forming Compounds for Curing Concrete.

L. ASTM D2103 Polyethylene Film and Sheeting.

1.3 RELATED SECTIONS

A. Section 042200- Masonry: rebar dowels, embedded in foundations, to match masonry wall rebar.

B. Section 051200- Structural Steel: Anchor bolts, embedded in foundations, bearing plates attached to form work.

C. Section 076200- Sheet Metal Flashing and Trim: Flashing reglets attached to formwork.

1.4 ACTION SUBMITTALS

A. Shop Drawings:

1. Construction Joint Layout: Indicate proposed construction joints required to construct the structure and as approved by the Architect.

2. Submit shop drawings of reinforcing steel to Architect for approval prior to fabrication. Submit under provisions established by Construction Manager.

3. Indicate reinforcement sizes, spacings, locations and quantities of reinforcing steel, bending and cutting schedules, and splices.

1.5 INFORMATIONAL SUBMITTALS

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

1. Cementitious materials.

2. Admixtures.

3. Vapor retarders.

4. Joint-filler strips.

033000 - 2

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

1. Portland cement.

2. Fly ash.

3. Aggregates.

4. Admixtures:

C. Field quality-control reports.

1.6 QUALITY ASSURANCE

A. Perform work in accordance with ACI 301, ACI 305, ACI 306.1, and ACI 318.

B. Maintain copies of ACI 301, 305, 306.1, and 318 on site.

C. In the ACI publications, consider advisory provisions mandatory, as though the word

�shall� had been substituted for �should� wherever �should� appears.

D. For conflicts in the provisions of the ACI publications, ACI 301 shall govern. For any conflicts between the ACI publications and this specification, this specification shall govern.

1.7 DELIVERY, STORAGE, AND HANDLING

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

1.8 FIELD CONDITIONS

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

PART 2 - PRODUCTS

2.1 CONCRETE, GENERAL

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

2.2 FORM MATERIALS

A. Conform to ACI 301.

B. Plywood forms: APA B-B Plyform Class I sound undamaged sheets.

C. Lumber: spruce-pine-fir #2 or better; with grade stamp clearly visible.

D. Steel Forms: Minimum thickness to support weight of concrete with minimum deflection.

E. Form Ties: removable or snap-off metal, of fixed or adjustable length.

2.3 REINFORCING STEEL

A. Reinforcing Steel: ASTM A615, 60 ksi yield grade billet steel deformed bars, uncoated finish.

B. Welded Wire Fabric: Plain type, ANSI/ASTM A185; in flat sheets; uncoated finish.

2.4 CONCRETE MATERIALS

A. Cementitious Materials:

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

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

3. Slag Cement: ASTM C989/C989M, Grade 100 or 120.

033000 - 3

B. Normal-Weight Aggregates: ASTM C33/C33M, Class 3M coarse aggregate or better, graded. Provide aggregates from a single source.

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

2.5 VAPOR RETARDERS

A. Sheet Vapor Retarder, Class A: ASTM E1745, Class A; thickness as indicated on drawings. Include manufacturer's recommended adhesive or pressure-sensitive tape.

2.6 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. Total of Fly Ash or Other Pozzolans, Slag Cement: 50 percent by mass, with fly ash or pozzolans not exceeding 25 percent by mass.

3. Total of Fly Ash or Other Pozzolans: 35 percent by mass with fly ash or pozzolans not exceeding 25 percent by mass.

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

1. Use admixture in concrete, as required, for placement and workability.

D. WVRA: ASTM C 494/C 494M, Type S; complex catalyzed hydrous silicate, water and vapor proofing liquid admixture.

1. Basis-of-Design Product: Subject to compliance with requirements, provide, Specialty Products Group; Vapor Lock 20/20� or comparable product by one of the following:

a. Concure.

b. Moxie International.

2. Properties:

a. W/C Ratio: Maximum 0.52 without written permission and approval of mix design by WVRA manufacturer.

b. W/C Ratio: Minimum 0.42 without written permission and approval of mix design by WVRA manufacturer.

c. Water Seepage or Permeability: Not to exceed 2.0 x 10-9 ft/s (6 x 10-8 cm/s) according to ASTM D 5084.

d. Internal Wet Curing: Additional curing is unnecessary when using WVRA admixtures, except during hot or cold weather concreting conditions; follow ACI 306.1 and ACI 301

3. Warranty:

a. Design mixture containing a WVRA must be approved in writing by WVRA manufacturer.

b. Installer shall be WVRA certified.

c. Cylinder Testing: Testing agency or WVRA manufacturer to obtain concrete cylinder from mockup and test at testing agency specified by WVRA manufacturer according to ASTM D 5084.

Cost of test shall be borne by WVRA manufacturer.

d. Manufacturer's Warranty: WVRA admixture manufacturer agrees to repair, replace or re-apply damaged floor covering or

033000 - 4 adhesive, surface treatment, coating or paint materials that fail within specified warranty period.

(1) Failures include, but are not limited to, proven claims made on any floor covering or adhesive, surface treatment, coating or paint that sustains damage due to moisture vapor migration or alkali efflorescence attack, which had migrated through concrete, and includes blistering, peeling, leakage, seepage, or absorption of moisture, petroleum, sulfides, or acids.

(2) Warranty does not apply to, or cover, the following:

(a) Water vapor migration moving laterally under a floor covering originating from external sources such as drains or broken pipes.

(b) Structural cracks or damage or conditions caused by neglect, abuse, acts of God or nature; other materials and/or conditions resulting from inferior application or workmanship or design, whether intentional or not; or situations beyond its control.

(c) Liquidated, incidental and/or consequential damages or for contribution or indemnity.

(3) Material Warranty Period: 10 years from date of Substantial Completion

(4) Third-Party Labor and Material Insurance:

(5) Liability insurance purchased by WVRA manufacturer (the first party) from a legitimate insurer (the second party) for protection against the claims of end-user and all stakeholders in Project (the third) party.

(a) Coverage Amount: $20 million dollars U.S.

4. Do not apply any Liquid Floor Treatment Applications to concrete that contains WVRA admixture. The addition of the WVRA removes all required Liquid Floor Treatment applications from construction documents.

5. Inspections: For concrete containing WVRA admixture provide the following:

a. Moisture Testing: Conducted by WVRA manufacturer or appointed representative prior to installation of moisture sensitive coatings and adhesives. No other moisture testing by installers is required.

b. Bond Testing: Conducted by WVRA manufacturer or appointed representative on moisture sensitive materials installed by Contractor.

c. Ph Testing: Conducted by WVRA manufacturer or appointed representative.

d. Report test results in writing to Architect and Contractor within 48 hours of testing.

e. Authorization to proceed with installation of moisture sensitive coatings and materials must be obtained in writing from WVRA manufacturer.

E. WVRA Testing: ASTM D 5084; 4- by 8-inch cylinder size obtained by WVRA manufacturer or appointed representative.

2.7 ACCESSORIES

A. Bonding Agent: ASTM C932.

B. Vapor Barrier: ASTM D2103, 6 mil thick clear polyethylene film.

C. Non-Shrink Grout: Premixed compound with non-metallic aggregate, cement, water reducing and plasticizing agents; capable of minimum compressive strength of 4000 psi.

D. Drilled in Concrete Anchors (DCA�s). Provide stainless steel or galvanized to F185 coating per ASTM A153 for DCA�s in contact with preservative treated wood.

033000 - 5

E. Flashing Reglets: Galvanized steel; longest possible lengths; alignment splines for joints;

securable to formwork.

F. Construction Joints: 2�x2� key, formed with prefabbed galvanized steel or wood forms.

G. Expansion Joints: ½� wide with bituminous impregnated fiberboard filler conform to

ANSI/ASTM D994.

H. Form Release Agent: Colorless material which will not stain concrete, absorb moisture, or impair natural bonding or color characteristics of coating intended for use on concrete.

2.8 CURING MATERIALS

A. Water: Clean and drinkable.

B. Membrane Curing Compound: ASTM C309 C. Polyethelene Film: ASTM D2103, 4 mil thick, clear color.

D. Sealer: BASF Kure and Seal 30, or equal, at exposed concrete floor areas. Coordinate with architectural finish schedule.

2.9 CONCRETE MIXTURES

A. Class A: Normal-weight concrete used for footings, grade beams, and tie beams.

1. Minimum Compressive Strength: 3000 psi at 28 days.

2. Slump Limit: 4 inches, plus or minus 1 inch

B. Class B: Normal-weight concrete used for foundation and retaining walls.

1. Minimum Compressive Strength: 3000 psi at 28 days.

2. Slump Limit: 4 inches, plus or minus 1 inch

C. Class C: Normal-weight concrete used for interior slabs-on-ground.

1. Minimum Compressive Strength: 4000 psi at 28 days.

2. Slump Limit: 4 inches, plus or minus 1 inch

D. Class D: Normal-weight concrete used for interior suspended slabs.

1. Minimum Compressive Strength: 4000 psi at 28 days.

2. Slump Limit: 4 inches, plus or minus 1 inch

E. Class F: Normal-weight concrete used for concrete toppings.

1. Minimum Compressive Strength: 4000 psi at 28 days.

2. Slump Limit: 4 inches, plus or minus 1 inch.

F. Add air entraining agent to mix for all concrete except interior footings, interior walls, interior piers and interior slabs.

PART 3 - EXECUTION

3.1 FORMWORK EXECUTION

A. Verify lines, levels, and measurement before proceeding with formwork.

B. Hand trim sides and bottom of earth forms; remove loose dirt.

C. Align for joints.

D. Do not apply form release agent where concrete surfaces receive special finishes or applied coatings which may be affected by agent.

033000 - 6

E. Coordinate work of other Sections in forming and setting openings, slots, recesses, chases, sleeves, bolts, anchors and other inserts.

3.2 REINFORCEMENT

A. Place, supports, and secure reinforcement against displacement.

B. Locate reinforcing splices at points of minimum stress.

3.3 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.

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

3.4 INSTALLATION OF VAPOR RETARDER

A. Sheet Vapor Retarders: Place, protect, and repair sheet vapor retarder in accordance with ASTM E1643 and manufacturer's written instructions.

3.5 JOINTS

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

B. Construction Joints: Coordinate with floor slab pattern and concrete placement sequence.

C. Control Joints in Slabs-on-Ground: Form weakened-plane control joints, sectioning concrete into areas as indicated. Construct control joints for a depth equal to at least one-fourth of concrete thickness as follows:

D. Isolation Joints in Slabs-on-Ground: After removing formwork, install joint-filler strips at slab junctions with vertical surfaces, such as column pedestals, foundation walls, grade beams, and other locations, as indicated.

3.6 CONCRETE PLACEMENT

A. Before placing concrete, verify that installation of formwork, reinforcement, embedded items, and vapor retarder is complete and that required inspections are completed.

1. Immediately prior to concrete placement, inspect vapor retarder for damage and deficient installation, and repair defective areas.

2. Provide continuous inspection of vapor retarder during concrete placement and make necessary repairs to damaged areas as Work progresses.

B. Notify Architect and testing and inspection agencies 24 hours prior to commencement of concrete placement.

C. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Architect in writing, but not to exceed the amount indicated on the concrete delivery ticket.

1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

033000 - 7

D. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of ACI 301, but not to exceed the amount indicated on the concrete delivery ticket.

1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

E. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete is placed on concrete that has hardened enough to cause seams or planes of weakness.

1. If a section cannot be placed continuously, provide construction joints as indicated.

2. Deposit concrete to avoid segregation.

3. Deposit concrete in horizontal layers of depth not to exceed formwork design pressures and in a manner to avoid inclined construction joints.

4. Consolidate placed concrete with mechanical vibrating equipment in accordance with ACI 301.

a. Do not use vibrators to transport concrete inside forms.

b. Insert and withdraw vibrators vertically at uniformly spaced locations to rapidly penetrate placed layer and at least 6 inches into preceding layer.

c. Do not insert vibrators into lower layers of concrete that have begun to lose plasticity.

d. At each insertion, limit duration of vibration to time necessary to consolidate concrete, and complete embedment of reinforcement and other embedded items without causing mixture constituents to segregate.

F. Deposit and consolidate concrete for floors and slabs in a continuous operation, within limits of construction joints, until placement of a panel or section is complete.

1. Do not place concrete floors and slabs in a checkerboard sequence.

2. Consolidate concrete during placement operations, so concrete is thoroughly worked around reinforcement and other embedded items and into corners.

3. Maintain reinforcement in position on chairs during concrete placement.

4. Screed slab surfaces with a straightedge and strike off to correct elevations.

5. Level concrete, cut high areas, and fill low areas.

6. Slope surfaces uniformly to drains where required.

7. Begin initial floating using bull floats or darbies to form a uniform and open-textured surface plane, before excess bleedwater appears on the surface.

8. Do not further disturb slab surfaces before starting finishing operations.

3.7 FINISHING FORMED SURFACES

A. As-Cast Surface Finishes:

1. ACI 301 Surface Finish SF-1.0: As-cast concrete texture imparted by form-facing material.

a. Patch voids larger than 1-1/2 inches wide or 1/2 inch deep.

b. Remove projections larger than 1 inch.

c. Tie holes do not require patching.

d. Surface Tolerance: ACI 117 Class D.

e. Apply to concrete surfaces not exposed to public view.

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2. ACI 301Surface Finish SF-2.0: As-cast concrete texture imparted by form-facing material, arranged in an orderly and symmetrical manner with a minimum of seams.

a. Patch voids larger than 3/4 inch wide or 1/2 inch deep.

b. Remove projections larger than 1/4 inch.

c. Patch tie holes.

d. Surface Tolerance: ACI 117 Class B.

e. Locations: Apply to concrete surfaces exposed to public view, to receive a rubbed finish, or to be covered with a coating or covering material applied directly to concrete.

3.8 FINISHING FLOORS AND SLABS

A. Comply with ACI 302.1R recommendations for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces.

B. Trowel Finish:

1. After applying float finish, apply first troweling and consolidate concrete by hand or power-driven trowel.

2. Continue troweling passes and restraighten until surface is free of trowel marks and uniform in texture and appearance.

3. Grind smooth any surface defects that would telegraph through applied coatings or floor coverings.

4. Do not add water to concrete surface.

5. Do not apply hard-troweled finish to concrete, which has a total air content greater than 3 percent.

6. Apply a trowel finish to surfaces exposed to view or to be covered with resilient flooring, carpet, ceramic or quarry tile set over a cleavage membrane, paint, or another thin-film-finish coating system.

C. Flatness and levelness tolerances for floor slabs shall be in accordance with ACI 117, section 4.5.6 and/or 4.5.7.

1. All areas, except as described in b. or c., below, or unless noted otherwise, shall conform to ACI 117 �conventional straightedged �construction, i.e., 5/16� in ten feet or FF=20 & FL=15 for the �F� number method.

2. For slabs intended to support a synthetic or hardwood gym floor, use �very flat� construction per ACI 117, i.e., 1/8� in 10 feet or FF=50 & FL=30 for the �F� number method.

3. For slabs intended to be finished with cork tile, use �flat� construction per ACI 117, i.e., 3/16� in 10 feet or FF=30 & FL=20 for the �F� number method.

D. Pitch to drains at 1/8� per foot nominal. Refer to plumbing plans for drain locations.

3.9 INSTALLATION OF MISCELLANEOUS CONCRETE ITEMS

A. Filling In:

1. Fill in holes and openings left in concrete structures after Work of other trades is in place unless otherwise indicated.

2. Mix, place, and cure concrete, as specified, to blend with in-place construction.

3. Provide other miscellaneous concrete filling indicated or required to complete the

Work.

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B. Equipment Bases and Foundations:

1. Coordinate sizes and locations of concrete bases with actual equipment provided.

2. Minimum Compressive Strength: 4000 psi at 28 days.

C. Steel Pan Stairs: Provide concrete fill for steel pan stair treads, landings, and associated items.

1. Cast-in inserts and accessories, as shown on Drawings.

2. Screed, tamp, and trowel finish concrete surfaces.

3.10 TOLERANCES

A. Conform to ACI 117.

3.11 FIELD QUALITY CONTROL

A. Testing Agency: Engage a qualified testing and inspecting agency to perform tests and inspections and to submit reports.

1. Testing agency shall be responsible for providing curing container for composite samples on Site and verifying that field-cured composite samples are cured in accordance with ASTM C31/C31M.

2. Testing agency shall immediately report to Architect, Contractor, and concrete manufacturer any failure of Work to comply with Contract Documents.

3. Testing agency shall report results of tests and inspections, in writing, to Owner, Architect, Contractor, and concrete manufacturer within 48 hours of inspections and tests.

a. Test reports shall include reporting requirements of ASTM C31/C31M, ASTM C39/C39M, and ACI 301, including the following as applicable to each test and inspection:

1) Project name.

2) Name of testing agency.

3) Names and certification numbers of field and laboratory technicians performing inspections and testing.

4) Name of concrete manufacturer.

5) Date and time of inspection, sampling, and field testing.

6) Date and time of concrete placement.

7) Location in Work of concrete represented by samples.

8) Date and time sample was obtained.

9) Truck and batch ticket numbers.

10) Design compressive strength at 28 days.

11) Concrete mixture designation, proportions, and materials.

12) Field test results.

13) Information on storage and curing of samples before testing, including curing method and maximum and minimum temperatures during initial curing period.

14) Type of fracture and compressive break strengths at seven days and 28 days.

B. Batch Tickets: For each load delivered, submit three copies of batch delivery ticket to testing agency, indicating quantity, mix identification, admixtures, design strength, 033000 - 10 aggregate size, design air content, design slump at time of batching, and amount of water that can be added at Project site.

C. Inspections:

1. Headed bolts and studs.

2. Verification of use of required design mixture.

3. Concrete placement, including conveying and depositing.

4. Curing procedures and maintenance of curing temperature.

5. Verification of concrete strength before removal of shores and forms from beams and slabs.

6. Batch Plant Inspections: On a random basis, as determined by Architect.

D. Concrete Tests: Testing of composite samples of fresh concrete obtained in accordance with ASTM C 172/C 172M shall be performed in accordance with the following requirements:

1. Testing Frequency: Three concrete test cylinders will be taken for every 150 or less cubic yards of each class of concrete placed each day.

a. When frequency of testing provides fewer than five compressive-strength tests for each concrete mixture, testing shall be conducted from at least five randomly selected batches or from each batch if fewer than five are used.

2. Slump: ASTM C143/C143M:

a. One test at point of placement for each composite sample, but not less than one test for each day's pour of each concrete mixture.

b. Perform additional tests when concrete consistency appears to change.

3. Slump Flow: ASTM C1611/C1611M:

a. One test at point of placement for each composite sample, but not less than one test for each day's pour of each concrete mixture.

b. Perform additional tests when concrete consistency appears to change.

4. Air Content: ASTM C231/C231M pressure method, for normal-weight concrete;

ASTM C173/C173M volumetric method, for structural lightweight concrete.

a. One test for each composite sample, but not less than one test for each day's pour of each concrete mixture.

5. Concrete Temperature: ASTM C1064/C1064M:

a. One test hourly when air temperature is 40 deg F and below or 80 deg F and above, and one test for each composite sample.

6. Unit Weight: ASTM C567/C567M fresh unit weight of structural lightweight concrete.

a. One test for each composite sample, but not less than one test for each day's pour of each concrete mixture.

7. Compression Test Specimens: ASTM C31/C31M:

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a. Cast and laboratory cure two sets of two 6-inch by 12-inch or 4-inch by 8-inch cylinder specimens for each composite sample.

b. Cast, initial cure, and field cure two sets of two standard cylinder specimens for each composite sample.

8. Compressive-Strength Tests: ASTM C39/C39M.

a. Test one set of two laboratory-cured specimens at seven days and one set of two specimens at 28 days.

b. Test one set of two field-cured specimens at seven days and one set of two specimens at 28 days.

c. A compressive-strength test shall be the average compressive strength from a set of two specimens obtained from same composite sample and tested at age indicated.

9. When strength of field-cured cylinders is less than 85 percent of companion laboratory-cured cylinders, Contractor shall evaluate operations and provide corrective procedures for protecting and curing in-place concrete.

10. Strength of each concrete mixture will be satisfactory if every average of any three consecutive compressive-strength tests equals or exceeds specified compressive strength, and no compressive-strength test value falls below specified compressive strength by more than 500 psi if specified compressive strength is 5000 psi, or no compressive strength test value is less than 10 percent of specified compressive strength if specified compressive strength is greater than 5000 psi.

11. Nondestructive Testing: Impact hammer, sonoscope, or other nondestructive device may be permitted by Architect but will not be used as sole basis for approval or rejection of concrete.

12. Additional Tests:

a. Testing and inspecting agency shall make additional tests of concrete when test results indicate that slump, air entrainment, compressive strengths, or other requirements have not been met, as directed by Architect.

b. Testing and inspecting agency may conduct tests to determine adequacy of concrete by cored cylinders complying with ASTM C42/C42M or by other methods as directed by Architect.

1) Acceptance criteria for concrete strength shall be in accordance with ACI 301 section 1.6.6.3.

13. Additional testing and inspecting, at Owner's expense, will be performed to determine compliance of replaced or additional work with specified requirements.

14. Correct deficiencies in the Work that test reports and inspections indicate do not comply with the Contract Documents.

3.12 PROTECTION

A. Protect concrete surfaces as follows:

1. Protect from petroleum stains.

2. Diaper hydraulic equipment used over concrete surfaces.

3. Prohibit vehicles from interior concrete slabs.

4. Prohibit use of pipe-cutting machinery over concrete surfaces.

5. Prohibit placement of steel items on concrete surfaces.

6. Prohibit use of acids or acidic detergents over concrete surfaces.

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7. Protect liquid floor treatment from damage and wear during the remainder of construction period. Use protective methods and materials, including temporary covering, recommended in writing by liquid floor treatments installer.

8. Protect concrete surfaces scheduled to receive surface hardener or polished concrete finish using Floor Slab Protective Covering.

END OF SECTION

CONCRETE UNIT MASONRY

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SECTION 042200

CONCRETE UNIT MASONRY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Concrete masonry units.

2. Clay face brick.

3. Concrete face brick.

4. Steel reinforcing bars.

1.2 RELATED SECTIONS

A. Section 033000- Cast-in-place Concrete: Placement of reinforcing bars.

B. Section 079200- Joint Sealers: rod and sealant at control and expansion joints.

1.3 REFERENCES

A. ACI 530/ASCE 5/TMS 402 Building Code Requirements for Masonry Structures.

B. ACI 530.1/ASCE 6/TMS 602 Specifications for Masonry Structures.

C. ANSI/ASTM A82 Cold Drawn Steel Wire for Concrete Reinforcement.

D. ANSI/ASTM C216 Facing Brick(Solid Masonry Units Made From Clay or Shale).

E. ASTM A307 Carbon Steel Externally Threaded Standard Fasteners.

F. ASTM C67-Standard Test Methods for Sampling and Testing Brick and Structural Clay

Tile.

G. ASTM C90 Load Bearing Concrete Masonry Units.

H. ASTM C91 Masonry Cement I. ASTM C94 Ready Mixed Concrete J. ASTM C144 Aggregate for Masonry Mortar K. ASTM C150 Portland Cement L. ASTM C207 Hydrated Lime for Masonry Purposes M. ASTM C270 Mortar for Unit Masonry N. ASTM C387 Packaged, Dry, Combined Materials, for Mortar and Concrete O. ASTM C404 Aggregates for Masonry Grout P. ASTM C476 Grout for Masonry IMIAWC International Masonry Industry All Weather

Council: Recommended Practices and Guide Specifications for Clod Weather Masonry Construction

1.4 DEFINITIONS

A. CMU(s): Concrete masonry unit(s).

B. Reinforced Masonry: Masonry containing reinforcing steel in grouted cells.

1.5 ACTION SUBMITTALS

A. Shop Drawings: For reinforcing steel. Detail bending, lap lengths, and placement of unit masonry reinforcing bars. Comply with ACI 315.

B. Samples: For each type and color of the following:

1. Face brick

2. Colored-aggregate mortar.

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1.6 INFORMATIONAL SUBMITTALS

A. Material Certificates: For each type and size of product. For masonry units, include data on material properties material test reports substantiating compliance with requirements.

1.7 QUALITY ASSURANCE

A. Sample Panels: Build sample panels to verify selections made under Sample submittals and to demonstrate aesthetic effects. Comply with requirements in Section 014000 "Quality Requirements" for mockups.

1. Build sample panels for each type of exposed unit masonry construction, typical exterior wall, typical interior wall, typical exterior and interior walls in sizes approximately 16 inches long by 24 inches high.

1.8 FIELD CONDITIONS

A. Cold-Weather Requirements: Do not use frozen materials or materials mixed or coated with ice or frost. Do not build on frozen substrates. Remove and replace unit masonry damaged by frost or by freezing conditions. Comply with cold-weather construction requirements contained in TMS 602/ACI 530.1/ASCE 6.

B. Hot-Weather Requirements: Comply with hot-weather construction requirements contained in TMS 602/ACI 530.1/ASCE 6.

1.9 EFFLORESCENCE

A. Samples of veneer for exterior walls will be tested for efflorescence per ASTM C67 prior to acceptance of veneer. The samples shall be taken directly from the pallets delivered to the site, at the rate of one sample per 5000 units.

B. In the event that efflorescence appears after walls are in place, the Architect shall select samples of veneer and mortar taken directly from the wall to be tested for chemical content. If efflorescence producing materials are found in the veneer or mortar in amounts exceeding the limits called for by this specification and the referenced ASTM standards, the contractor shall bear the cost of the testing and remedial work on the masonry. If efflorescence producing materials in both the veneer and the mortar do not exceed the limits as stated above, the cost of the testing and patching the areas where samples were removed shall be by Owner.

PART 2 - PRODUCTS

2.1 UNIT MASONRY, GENERAL

A. Masonry Standard: Comply with TMS 602/ACI 530.1/ASCE 6, except as modified by requirements in the Contract Documents.

B. Defective Units: Referenced masonry unit standards may allow a certain percentage of units to contain chips, cracks, or other defects exceeding limits stated. Do not use units where such defects are exposed in the completed Work.

C. Fire-Resistance Ratings: Comply with requirements for fire-resistance-rated assembly designs indicated.

1. Where fire-resistance-rated construction is indicated, units shall be listed and labeled by a qualified testing agency acceptable to authorities having jurisdiction.

2.2 CONCRETE MASONRY UNITS

042200 - 3

A. Shapes: Provide shapes indicated and as follows, with exposed surfaces matching exposed faces of adjacent units unless otherwise indicated.

1. Provide special shapes for lintels, corners, jambs, sashes, movement joints, headers, bonding, and other special conditions.

B. Integral Water Repellent: Provide units made with integral water repellent for exposed units and where indicated.

C. CMUs: ASTM C90.

1. Masonry for the load-bearing wythe of all load-bearing walls and all exterior walls shall have a masonry compressive strength, f�m, of 2500 psi

2. Unit Compressive Strength: Provide units with minimum average net-area compressive strength of 3750 psi for load-bearing walls, and 1900 psi for all other walls.

3. Density Classification: Normal weight.

2.3 FACE BRICK

A. Face Brick: ANSI/ASTM C216, Type FBS, Grade SW; color as follows:

a. Field Brick: Bowerston Brick 50% Autumn Clear wc + 30% Autumn Rose Clear w

+ 20% Sunset Clear wc � Standard modular size.

b. Infill Brick: Belden Brick Concord Blend � Standard modular size.

c. Burnished Block Accent: Grand Blanc Cement Products Ralph Yates � Color

Great White.

2. The saturation coefficient requirement of ANSI/ASTM C216 shall not be waived.

3. Maximum water absorption shall not exceed 5% by weight of unit.

4. The initial rate of absorption shall not be less than 6 grams per minute nor more than 20 grams per minute.

5. The maximum permissible extent of chippage 0"-1/4" in from the edge and 0"-3/8" in from the corner shall not exceed 40%.

6. If cored units are supplied, three cores of 1-1/2"maximum diameter shall be the pattern provided.

B. Brick Masonry Units: Nominal modular size of 2-2/3� high x 8� long x 4� wide and nominal utility size 4� high x 12� long x 4� wide, or as indicated in specific brick selection. Provide special units for bull nosed corners.

2.4 CONCRETE LINTELS

A. Concrete Lintels: ASTM C1623, matching CMUs in color, texture, and density classification; and with reinforcing bars indicated. Provide lintels with net-area compressive strength not less than that of CMUs.

2.5 MORTAR AND GROUT MATERIALS

A. Portland Cement: ASTM C150/C150M, Type I, gray color.

B. Hydrated Lime: ASTM C207, Type S.

C. Portland Cement-Lime Mix: Packaged blend of portland cement and hydrated lime containing no other ingredients.

D. Masonry Cement: ASTM C91/C91M, Type S.

E. Aggregate for Mortar: ASTM C144, Standard masonry type.

1. White-Mortar Aggregates: Natural white sand or crushed white stone.

042200 - 4

2. Colored-Mortar Aggregates: Natural sand or crushed stone of color necessary to produce required mortar color.

F. Aggregate for Grout: ASTM C404.

G. Cold-Weather Admixture: Non-chloride, non-corrosive, accelerating admixture complying with ASTM C494/C494M, Type C, and recommended by manufacturer for use in masonry mortar of composition indicated.

H. Water-Repellent Admixture: Liquid water-repellent mortar admixture intended for use with CMUs containing integral water repellent from same manufacturer.

I. Water: Clean and Potable.

2.6 REINFORCEMENT AND ANCHORAGE

A. Uncoated-Steel Reinforcing Bars: ASTM A615/A615M or ASTM A996/A996M, Grade 60.

B. Masonry-Joint Reinforcement, General: ASTM A951/A951M.

1. Interior Walls: Mill- galvanized, carbon steel.

2. Exterior Walls: Hot-dip galvanized carbon steel.

3. Wire Size for Side Rods: 9 gauge (0.148-inch) diameter.

4. Wire Size for Cross Rods: 9 gauge (0.148-inch) diameter.

5. Spacing of Cross Rods: Not more than 16 inches o.c.

6. Provide in lengths of not less than 10 feet, with prefabricated corner and tee units.

7. Cavity Walls: Standard hook and eye adjustable anchors.

8. Strap Anchors: Bent steel shape, one inch wide x 3/16" thick.

9. Dovetail Anchors: Bent steel strap, galvanized finish, 24 gauge with 12 gauge wire triangles.

10. Built-in Anchors: ASTM A307.

11. Reinforcing Steel: Deformed type, specified in Section 03001; uncoated finish.

C. Materials: Provide ties and anchors specified in this article that are made from materials that comply with the following unless otherwise indicated:

1. Hot-Dip Galvanized, Carbon-Steel Wire: ASTM A82/A82M, with ASTM A153/A153M, Class B-2 coating.

2. Steel Sheet, Galvanized after Fabrication: ASTM A1008/A1008M, Commercial Steel, with ASTM A153/A153M, Class B coating.

3. Steel Plates, Shapes, and Bars: ASTM A36/A36M.

D. Partition Top Anchors: 0.105-inch- thick metal plate with a 3/8-inch- diameter metal rod 6 inches long welded to plate and with closed-end plastic tube fitted over rod that allows rod to move in and out of tube. Fabricate from steel, hot-dip galvanized after fabrication.

E. Rigid Anchors: Fabricate from steel bars 1-1/2 inches wide by…