COL027004-LEACHBIDC_specsv2.pdf

CSD John G. Leach School

2640 Bear Corbitt Rd

New Castle, DE 19720

Bid Package C Project Manual Volume 2

ARCHITECT

StudioJAED Architects & Engineering

2500 Wrangle Hill Rd

Bear, DE 19701

EDiS Company, Inc.

110 S. Poplar Street

Suite 400

Wilmington, DE 19801

Issued for Bid

August 21, 2026

Colonial School District John G. Leach School October 15, 2025 Contract #4-23-01

StudioJAED Architects & Engineers SEALS PAGE Project No. 22144 00 01 07 - 1

SECTION 00 01 07

SEALS PAGE

ARCHITECT – PROJECT MANAGER:

PAUL GUGGENBERGER, AIA, NCARB, LEED-AP

DE LICENSE NO. S5-0006548

PRINCIPAL

STUDIOJAED ARCHITECTS & ENGINEERS

2500 WRANGLE HILL ROAD, SUITE 110

BEAR, DE 19701

(302) 832-1652

STRUCTURAL ENGINEER:

FRANK M. YOUNG, PE

DEL LICENSE NO.13317

PRINCIPAL

BAKER, INGRAM & ASSOCIATES

1050 SOUTH STATE STREET

DOVER, DE 19901

302-734-7400

RESPONSIBLE FOR DIV. 03

MECHANICAL ENGINEER:

BRIAN ZIGMOND, P.E., C.E.M.

DE LICENSE NO. 12905

PRINCIPAL

STUDIOJAED ARCHITECTS & ENGINEERS

2500 WRANGLE HILL ROAD, SUITE 110

BEAR, DE 19701

(302) 832-1652

ELECTRICAL ENGINEER:

PARAG H. PATEL, P.E.

DE LICENSE NO. 10552

ELECTRICAL ENGINEER

STUDIOJAED ARCHITECTS & ENGINEERS

2500 WRANGLE HILL ROAD, SUITE 110

BEAR, DE 19701

(302) 832-1652

CIVIL ENGINEER:

JON SABATINO, P.E.

DE LICENSE NO.

ELECTRICAL ENGINEER

SITE STUDIOS, INC.

P.O. BOX 682

NORTH EAST, MD 21901

(443) 553-5455

END OF SECTION

Colonial School District August 21, 2026

John G. Leach School Contract #4-23-01

Colonial School District – John G. Leach School Re-Bid Bid Package C

Contract #4-23-01 August 21, 2026

TABLE OF CONTENTS 000110-1

PU19, Revised 10/2023

SECTION 000110 - TABLE OF CONTENTS

Volume 1 of 2

DIVISION 0 - PROCUREMENT AND CONTRACT REQUIREMENTS

000101 Project Title Page

000107 Seals Page

000110 Table of Contents

000115 List of Drawings

001113 Advertisement for Bid

002113 Instructions to Bidders

003132 Geotechnical Data

004100 Bid Forms

005200 Agreement Forms

005413 Supplement to Agreement Between Owner and Contractor A132-2019

005414 Supplement to A132-2019-Exhibit A – Insurance and Bonds

006113 Performance and Payment Bond Forms

006216 Certificate of Insurance

007200 General Conditions

007300 Supplementary General Conditions

007343 Wage Rate Requirements

008114 Drug Testing Program & Forms

008115 Affidavit of Craft Training

DIVISION 1 – GENERAL REQUIREMENTS

011100 Summary of Work - Work Covered by Contract Documents

012100 Allowances

012200 Unit Prices

012300 Alternates

012500 Substitution Procedures

012600 Change Order Procedures

012613 Contractor Compensation

012900 Payment Procedures

013113 Project Coordination Meetings

013119 Preinstallation Meetings

013125 Web-Based Project Management System

013216 Construction Progress Schedule

013219 Submittals Register

013226 Contractor Daily Reports

013300 Submittal Procedures

013500 Background Check Program & Form

013523 Safety Program

013700 BIM Project Execution Plan

TABLE OF CONTENTS 000110-2

014216 Definitions

014339 Mock-up Requirements

014500 Quality Control

015113 Temporary Electricity

015123 Temporary Heating, Cooling, and Ventilating

015200 Construction Facilities & Temporary Controls

016116 Volatile Organic Compound (VOC) Content Restrictions

016200 Material and Equipment

017123 Field Engineering

017329 Cutting and Patching

017700 Contract Closeout

017900 Demonstration and Training

Volume 2 of 2

DIVISION 3 – CONCRETE

03 10 00 – CONCRETE FORMING AND ACCESSORIES

03 20 00 – CONCRETE REINFORCING

03 30 00 – CAST-IN-PLACE CONCRETE

DIVISION 4 – MASONRY

04 05 11 – MASONRY MORTARING AND GROUTING

04 20 00 – UNIT MASONRY

04 72 00 – CAST STONE MASONRY

DIVISION 5 – METALS

05 12 00 – STRUCTURAL STEEL FRAMING

05 21 00 – STEEL JOIST FRAMING

05 31 00 – STEEL DECKING

05 40 00 – COLD-FORMED METAL FRAMING

05 50 00 – METAL FABRICATIONS

05 51 00 – METAL STAIRS

05 51 33 – METAL LADDERS

05 52 13 – PIPE AND TUBE RAILINGS

DIVISION 6 – WOOD, PLASTICS, AND COMPOSITES

06 10 00 – ROUGH CARPENTRY

06 20 00 – FINISH CARPENTRY

06 41 00 – ARCHITECTURAL WOOD CASEWORK

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

07 11 13 – BITUMINOUS DAMPPROOFING

07 12 00 – BUILT-UP BITUMINOUS WATERPROOFING (ADDENDUM 4)

07 21 00 – THERMAL INSULATION

07 21 19 – FOAMED-IN-PLACE INSULATION

TABLE OF CONTENTS 000110-3

07 25 00 – WEATHER BARRIERS

07 27 00 – AIR BARRIERS

07 42 13 – METAL WALL PANELS

07 53 00 – ELASTONMERIC MEMBRANE ROOFING

07 62 00 – SHEET METAL FLASHING AND TRIM

07 71 00 – ROOF SPECIALTIES

07 71 23 – MANUFACTURED GUTTERS AND DOWNSPOUTS

07 72 00 – ROOF ACCESSORIES

07 84 00 – FIRESTOPPING

07 92 00 – JOINT SEALANTS

DIVISION 8 – OPENINGS

08 06 71 – DOOR HARDWARE SCHEDULE

08 11 13 – HOLLOW METAL DOORS AND FRAMES

08 14 16 – FLUSH WOOD DOORS

08 16 13 – FIBERGLASS DOORS

08 31 00 – ACCESS DOORS AND PANELS

08 33 23 – OVERHEAD COILING DOORS

08 34 00 – SURFACE-MOUNTED SLIDING DOOR SYSTEM

08 42 29 – AUTOMATIC ENTRANCES

08 43 13 – ALUMINUM-FRAMED STOREFRONTS

08 56 53 – SECURITY WINDOWS

08 63 00 – METAL-FRAMED SKYLIGHTS

08 71 00 – DOOR HARDWARE

08 80 00 – GLAZING

DIVISION 9 – FINISHES

09 05 61 – COMMON WORK RESULTS FOR FLOORING PREPARATION

09 21 16 – GYPSUM BOARD ASSEMBLIES

09 30 00 – TILING

09 51 00 – ACOUSTICAL CEILINGS

09 54 23 – LINEAR METAL CEILINGS

09 65 00 – RESILIENT FLOORING

09 65 66 – RESILIENT ATHLETIC FLOORING

09 67 00 – FLUID-APPLIED FLOORING

09 68 00 – CARPETING

09 84 30 – SOUND-ABSORBING WALL AND CEILING UNITS

09 90 00 – PAINTS AND COATINGS

DIVISION 10 – SPECIALTIES

10 11 00 – VISUAL DISPLAY UNITS

10 14 00 – SIGNAGE

10 14 19 – DIMENSIONAL LETTER SIGNAGE

10 21 13.19 – PLASTIC TOILET COMPARTMENTS

10 21 23 – CUBICLE CURTAINS AND TRACK

10 22 39.13 – FOLDING GLASS-PANEL PARTITIONS

TABLE OF CONTENTS 000110-4

10 26 00 – WALL AND DOOR PROTECTION

10 28 00 – TOILET, BATH, AND LAUNDRY ACCESSORIES

10 44 00 – FIRE PROTECTION SPECIALTIES

10 51 26 – PLASTIC LOCKERS

10 56 13 – METAL STORAGE SHELVING

10 73 16.13 – METAL CANOPIES

10 75 00 – FLAGPOLES

DIVISION 11 – EQIUIPMENT

11 13 13 – LOADING DOCK BUMPERS

11 21 00 – COMMERCIAL APPLIANCES

11 30 13 – RESIDENTIAL APPLIANCES

11 40 00 – FOODSERVICE EQUIPMENT

11 66 23 – GYMNASIUM EQUIPMENT

11 72 00 – EXAMINATION AND TREATMENT EQUIPMENT

11 73 11 – PATIENT LIFTS

DIVISION 12 – FURNISHINGS

12 24 00 – WINDOW SHADES

12 35 53.23 – SOLID-PLASTIC LABORATORY CASEWORK

12 36 00 – COUNTERTOPS

12 36 23.13 – BALLISTIC RATED COUNTERTOPS

DIVISION 13 – SPECIAL CONSTRUCTION

13 11 00 – SUMMARY OF THE SWIMMING POOL WORK

13 11 13 – SWIMMING POOL SHOTCRETE

13 11 26 – EXPOSED AGGREGATE POOL FINISH (ENHANCED PLASTER)

13 11 29 – CERAMIC TILE SWIMMING POOL FINISH

13 11 40 – POOL TRENCH DRAIN

13 11 41 – SKIMMER RECIRCULATION SYSTEM

13 11 46 – SWIMMING POOL ACCESSORIES

13 15 10 – SWIMMING POOL CAULKING AND SEALANTS

13 15 90 – SWIMMING POOL HEATER

13 34 13 – GLAZED STRUCTURES

DIVISION 21 – FIRE SUPPRESSION

21 05 00 – COMMON WORK RESULTS FOR FIRE SUPPRESSION

21 05 33 – HEAT TRACING FOR FIRE SUPPRESSION PIPING

21 05 53 – IDENTIFICATION FOR FIRE SUPPRESSION PIPING AND EQUIPMENT

21 07 19 – FIRE SUPPRESSION PIPING INSULATION

21 13 00 – FIRE SUPPRESSION SPRINKLERS

DIVISION 22 – PLUMBING

22 05 16 – EXPANSION FITTINGS AND LOOPS FOR PLUMBING PIPING

22 05 19 – METERS AND GAGES FOR PLUMBING PIPING

22 05 48 – VIBRATION AND SEISMIC CONTROLS FOR PLUMBING PIPING AND EQUIPMENT

TABLE OF CONTENTS 000110-5

22 05 53 – IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT

22 07 16 – PLUMBING EQUIPMENT INSULATION

22 07 19 – PLUMBING PIPING INSULATION

22 10 05 – PLUMBING PIPING

22 10 06 – PLUMBING PIPING SPECIALTIES

22 30 00 – PLUMBING EQUIPMENT

22 40 00 – PLUMBING FIXTURES

22 51 13 – SWIMMING POOL PIPING

22 51 16 – SWIMMING POOL PUMPS

22 51 19 – SWIMMING POOL WATER TREATMENT EQUIPMENT

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

23 05 13 – MOTOR REQUIREMENTS FOR HVAC AND PLUMBING EQUIPMENT

23 05 16 – EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING

23 05 48 – VIBRATION AND SEISMIC CONTROL FOR EQUIPMENT

23 05 53 - IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT

23 05 93 – TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 07 13 – DUCT INSULATION

23 07 19 – HVAC PIPING INSULATION

23 09 13 – INSTRUMENTATION AND CONTROL DEVICES FOR HVAC

23 09 23 – DIRECT-DIGITAL CONTROL SYSTEMS FOR HVAC

23 09 93 – SEQUENCE OF OPERTIONS FOR HVAC CONTROLS

23 21 13 – HYDRONIC PIPING

23 23 00 – REFRIGERANT PIPING

23 31 00 – HVAC DUCTS AND CASINGS

23 33 00 – AIR DUCT ACCESSORIES

23 34 23 – HVAC POWER VENTILATORS

23 36 00 – AIR TERMINAL UNITS

23 37 00 – AIR OUTLETS AND INLETS

23 38 13 – COMMERCIAL-KITCHEN HOODS

23 55 33 – FUEL-FIRED UNIT HEATERS

23 74 13 – PACKAGED OUTDOOR CENTRAL-STATION AIR-HANDLING UNITS

23 74 33 – DEDICATED OUTDOOR AIR UNITS

23 81 01 – TERMINAL HEAT TRANSFER UNITS

23 81 27 – SMALL SPLIT-SYSTEM HEATING AND COOLING

23 81 29 – VARIABLE REFRIGERANT VOLUME (VRV, VRF) HVAC SYSTEM

23 84 19 – INDOOR POOL HUMIDIFICATION UNITS

DIVISION 26 – ELECTRICAL

26 05 19 – LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

26 05 26 – GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

26 05 29 – HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

26 05 34 – CONDUIT

26 05 35 – SURFACE RACEWAYS

26 05 37 – BOXES

26 05 53 – IDENTIFICATION FOR ELECTRICAL SYSTEMS

TABLE OF CONTENTS 000110-6

26 05 73 – OVERCURRENT PROTECTIVE DEVICE COORDINATION STUDY

26 09 19 – ENCLOSED CONTACTORS

26 09 23 – LIGHTING CONTROL DEVICES

26 12 00 – MEDIUM-VOLTAGE TRANSFORMERS

26 22 00 – LOW-VOLTAGE TRANSFORMERS

26 24 13 – SWITCHBOARDS

26 24 16 – PANELBOARDS

26 27 17 – EQUIPMENT WIRING

26 27 26 – WIRING DEVICES

26 28 13 – FUSES

26 28 17 – ENCLOSED CIRCUIT BREAKERS

26 28 18 – ENCLOSED SWITCHES

26 29 13 – ENCLOSED CONTROLLERS

26 29 23 – VARIABLE-FREQUENCY MOTOR CONTROLLERS

26 32 13 – ENGINE GENERATORS

26 36 00 – TRANSFER SWITCHES

26 43 00 – SURGE PROTECTIVE DEVICES

26 51 00 – INTERIOR LIGHTING

25 56 00 – EXTERIOR LIGHTING

DIVISION 27 – COMMUNICATIONS

27 10 05 – STRUCTURE CABLING FOR VOICE AND DATA – INSIDE-PLANT

27 51 17 – PUBLIC ADDRESS SYSTEMS

27 53 13 – WIRELESS CLOCK SYSTEM

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 15 00 – INTEGRATED ACCESS CONTROL HARDWARE DEVICES

28 31 00 – FIRE DETECTION AND ALARM

28 31 11 – BUILDING INTRUSION DETECTION

DIVISION 31 – EARTHWORK

31 20 00 – EARTH MOVING

31 31 16 – TERMITE CONTROL

DIVISION 32 – BASES, BALLASTS, AND PAVING

32 12 16 – ASPHALT PAVING

32 13 13 – CONCRETE PAVING

32 13 73 – CONCRETE PAVING JOINT SEALANTS

32 17 23 – PAVEMENT MARKINGS

32 17 26 – TACTILE WARNING SURFACING

32 31 13 – CHAIN LINK FENCE AND GATES

32 31 19 – DECORATIVE METAL FENCES AND GATES

DIVISION 33 – UTILITES

33 11 13 – FACILITY WATER DISTRIBUTION PIPING

33 31 13 – FACILITY SANITARY SEWERS

TABLE OF CONTENTS 000110-7

33 42 00 – STORMWATER CONVEYANCE

33 46 00 – SUBDRAINAGE

33 71 19 – ELECTRICAL UNDERGROUND DUCTS, DUCTBANKS, AND MANHOLES

END OF SECTION

March 25, 2026 - Issued for Construction

John G. Leach School Contract #4-23-01

StudioJAED Architects & Engineers Project No. 22144

Concrete Forming and Accessories 03 10 00 - 1

SECTION 03 10 00

CONCRETE FORMING AND ACCESSORIES

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Formwork for cast-in place concrete, with shoring, bracing and anchorage.

B. Openings for other work.

C. Form accessories.

D. Form stripping.

1.02 RELATED REQUIREMENTS

A. Section 03 20 00 - Concrete Reinforcing.

B. Section 03 30 00 - Cast-in-Place Concrete.

1.03 REFERENCE STANDARDS

A. See Structural Drawings for additional Reference Standards.

B. ACI 117 - Specifications for Tolerances for Concrete Construction and Materials; 2010

(Reapproved 2015).

C. ACI 301 - Specifications for Structural Concrete; 2016.

D. ACI 347R - Guide to Formwork for Concrete; 2014, with Errata (2017).

E. PS 1 - Structural Plywood; 2009.

1.04 DESIGN REQUIREMENTS

A. Design and construct formwork, shoring and bracing to conform to code requirements;

resultant concrete to conform to required shape, line and dimension.

1.05 SUBMITTALS

A. See Section 01 30 00 - Administrative Requirements for submittal procedures.

B. See Structural Drawings for additional Submittal Requirements.

1.06 QUALITY ASSURANCE

A. Perform work of this section in accordance with ACI 347, ACI 301, and ACI 318.

B. Refer to Structural Drawings for additional Quality Assurance requirements and Inspection requirements.

1.07 DELIVERY, STORAGE, AND HANDLING

A. Deliver prefabricated forms and installation instructions in manufacturer's packaging.

B. Store prefabricated forms off ground in ventilated and protected manner to prevent deterioration from moisture.

PART 2 PRODUCTS

2.01 GENERAL

A. See Structural Drawings for additional product requirements.

2.02 FORMWORK - GENERAL

A. Provide concrete forms, accessories, shoring, and bracing as required to accomplish cast-in-place concrete work.

B. Design and construct to provide resultant concrete that conforms to design with respect to shape, lines, and dimensions.

C. Comply with applicable state and local codes with respect to design, fabrication, erection, and removal of formwork.

Colonial School District Contract #4-23-01

John G. Leach School August 21, 2026

Colonial School District Contract #4-23-01

Colonial School District Issued for Construction - March 25, 2026

Concrete Forming and Accessories 03 10 00 - 2

StudioJAED Architects & Engineers Project No. 22144

2.03 WOOD FORM MATERIALS

A. Softwood Plywood: PS 1, B-B High Density Concrete Form Overlay, Class I.

B. Lumber: HEM-FIR species; #2 grade; with grade stamp clearly visible.

2.04 REMOVABLE PREFABRICATED FORMS

A. Preformed Steel Forms: Minimum 16 gage matched, tight fitting, stiffened to support weight of concrete without deflection detrimental to tolerances and appearance of finished surfaces.

2.05 FORMWORK ACCESSORIES

A. Form Release Agent: Capable of releasing forms from hardened concrete without staining or discoloring concrete or forming bugholes and other surface defects, compatible with concrete and form materials, and not requiring removal for satisfactory bonding of coatings to be applied.

B. Nails, Spikes, Lag Bolts, Through Bolts, Anchorages: Sized as required, of sufficient strength and character to maintain formwork in place while placing concrete.

PART 3 EXECUTION

3.01 GENERAL

A. See Structural Drawings for additional execution requirements.

3.02 EXAMINATION

A. Verify lines, levels and centers before proceeding with formwork. Ensure that dimensions agree with drawings.

3.03 ERECTION - FORMWORK

A. Erect formwork, shoring and bracing to achieve design requirements, in accordance with requirements of ACI 301.

B. Provide bracing to ensure stability of formwork. Shore or strengthen formwork subject to overstressing by construction loads.

C. Arrange and assemble formwork to permit dismantling and stripping. Do not damage concrete during stripping. Permit removal of remaining principal shores.

D. Align joints and make watertight. Keep form joints to a minimum.

E. Obtain approval before framing openings in structural members that are not indicated on drawings.

F. Provide fillet strips on external corners of beams, joists, and columns.

G. Install void forms in accordance with manufacturer's recommendations. Protect forms from moisture or crushing.

H. Coordinate this section with other sections of work that require attachment of components to formwork.

I. If formwork is placed after reinforcement, resulting in insufficient concrete cover over reinforcement, request instructions from Architect before proceeding.

3.04 APPLICATION - FORM RELEASE AGENT

A. Apply form release agent on formwork in accordance with manufacturer's recommendations.

B. Apply prior to placement of reinforcing steel, anchoring devices, and embedded items.

3.05 INSERTS, EMBEDDED PARTS, AND OPENINGS

A. Provide formed openings where required for items to be embedded in passing through concrete work.

B. Locate and set in place items that will be cast directly into concrete.

C. Coordinate with work of other sections in forming and placing openings, slots, reglets, recesses, sleeves, bolts, anchors, other inserts, and components of other work.

John G. Leach School August 21, 2026

John G. Leach School Contract #4-23-01

StudioJAED Architects & Engineers Project No. 22144

Concrete Forming and Accessories 03 10 00 - 3

D. Install accessories in accordance with manufacturer's instructions, so they are straight, level, and plumb. Ensure items are not disturbed during concrete placement.

E. Provide temporary ports or openings in formwork where required to facilitate cleaning and inspection. Locate openings at bottom of forms to allow flushing water to drain.

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

3.06 FIELD QUALITY CONTROL

A. Do not reuse wood formwork more than 2 times for concrete surfaces to be exposed to view.

Do not patch formwork.

3.07 FORM REMOVAL

A. Do not remove forms or bracing until concrete has gained sufficient strength to carry its own weight and imposed loads.

B. Loosen forms carefully. Do not wedge pry bars, hammers, or tools against finish concrete surfaces scheduled for exposure to view.

C. Store removed forms to prevent damage to form materials or to fresh concrete. Discard damaged forms.

END OF SECTION

Colonial School District Contract #4-23-01

THIS PAGE INTENTIONALLY LEFT BLANK

August 21, 2026

John G. Leach School Contract #4-23-01

StudioJAED Architects & Engineers Project No. 22144

Concrete Reinforcing 03 20 00 - 1

SECTION 03 20 00

CONCRETE REINFORCING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Reinforcing steel for cast-in-place concrete.

B. Supports and accessories for steel reinforcement.

1.02 RELATED REQUIREMENTS

A. Section 03 10 00 - Concrete Forming and Accessories.

B. Section 03 30 00 - Cast-in-Place Concrete.

1.03 REFERENCE STANDARDS

A. See Structural Drawings for additional Reference Standards.

B. ACI 301 - Specifications for Structural Concrete; 2016.

C. ACI SP-66 - ACI Detailing Manual; 2004.

D. ASTM A185/A185M - Standard Specification for Steel Welded Wire Reinforcement, Plain, for

Concrete; 2007.

E. ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon-Steel Bars for

Concrete Reinforcement; 2018, with Editorial Revision.

F. ASTM A706/A706M - Standard Specification for Deformed and Plain Low-Alloy Steel Bars for

Concrete Reinforcement; 2016.

G. ASTM A767/A767M - Standard Specification for Zinc-Coated (Galvanized) Steel Bars for

Concrete Reinforcement; 2016.

H. ASTM A775/A775M - Standard Specification for Epoxy-Coated Steel Reinforcing Bars; 2017.

I. CRSI (DA4) - Manual of Standard Practice; 2009.

1.04 SUBMITTALS

See Section 01 30 00 - Administrative Requirements for submittal procedures.

A. Shop Drawings: Comply with requirements of ACI SP-66. Include bar schedules, shapes of bent bars, spacing of bars, and location of splices.

1. Prepare shop drawings under supervision of a Professional Structural Engineer experienced in design of work of this type and licensed in the State in which the Project is located.

B. Manufacturer's Certificate: Certify that reinforcing steel and accessories, products supplied for this project meet or exceed specified requirements.

C. See Structural Drawings for additional Submittal Requirements.

1.05 QUALITY ASSURANCE

A. Perform work of this section in accordance with ACI 301.

1. Maintain one copy of each document on project site.

B. Provide Architect with access to fabrication plant to facilitate inspection of reinforcement.

Provide notification of commencement and duration of shop fabrication in sufficient time to allow inspection.

C. Refer to Structural Drawings for additional Quality Assurance requirements and Inspection requirements.

PART 2 PRODUCTS

2.01 GENERAL

A. See Structural Drawings for additional product requirements.

Colonial School District Contract #4-23-01

Colonial School District Issued for Construction - March 25, 2026

Concrete Reinforcing 03 20 00 - 2

StudioJAED Architects & Engineers Project No. 22144

2.02 REINFORCEMENT

A. Reinforcing Steel: ASTM A615/A615M, Grade 60 (60,000 psi).

1. Plain billet-steel bars.

2. Unfinished.

3. Galvanized in accordance with ASTM A767/A767M, Class I.

4. Epoxy coated in accordance with ASTM A775/A775M.

B. Reinforcing Steel: ASTM A706/A706M, deformed low-alloy steel bars.

1. Unfinished.

2. Galvanized in accordance with ASTM A767/A767M, Class I.

3. Epoxy coated in accordance with ASTM A775/A775M.

C. Steel Welded Wire Reinforcement: Galvanized ASTM A 185/A 185M plain type.

1. Flat Sheets.

2. Mesh Size and Wire Gage: As indicated on drawings.

D. Reinforcement Accessories:

1. Tie Wire: Annealed, minimum 16 gage.

2. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for adequate support of reinforcement during concrete placement.

3. Provide galvanized components for placement within 1-1/2 inches of weathering surfaces.

2.03 RE-BAR SPLICING:

A. Coupler Systems: Mechanical devices for splicing reinforcing bars; capable of developing full steel reinforcing design strength in tension and compression.

B. Dowel Bar Splicer with Dowel-Ins: Mechanical devices for connecting dowels; capable of developing full steel reinforcing design strength in tension and compression.

C. Grout: Cementitious, non-metallic, non-shrink grout for use with manufacturer's grout sleeve reinforcing bar coupler system.

2.04 FABRICATION

A. Fabricate concrete reinforcing in accordance with CRSI (DA4) - Manual of Standard Practice.

B. Locate reinforcing splices not indicated on drawings at point of minimum stress.

1. Review locations of splices with Architect.

PART 3 EXECUTION

3.01 GENERAL

A. See Structural Drawings for additional execution requirements.

3.02 PLACEMENT

A. Place, support and secure reinforcement against displacement. Do not deviate from required position.

B. Do not displace or damage vapor barrier.

C. Accommodate placement of formed openings.

D. Conform to applicable code for concrete cover over reinforcement.

3.03 FIELD QUALITY CONTROL

A. An independent testing agency, as specified in Section 01 40 00 - Quality Requirements, will inspect installed reinforcement for compliance with contract documents before concrete placement.

B. Inspect installed reinforcement for conformance to contract documents before concrete placement.

END OF SECTION

John G. Leach School August 21, 2026

John G. Leach School Contract #4-23-01

StudioJAED Architects & Engineers Project No. 22144

CAST-IN-PLACE CONCRETE

03 30 00 - 1

SECTION 03 30 00

CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.01 RELATED DOCUMENTS

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

1.02 REFERENCE STANDARDS

A. See Structural Drawings for additional Reference Standards.

1.03 SUMMARY

A. Section includes cast-in-place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes.

B. Related Requirements:

1. Section 31 20 00 "Earth Moving" for drainage fill under slabs-on-grade.

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

1.04 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. W/C Ratio: The ratio by weight of water to cementitious materials.

1.05 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1. Before submitting design mixtures, review concrete design mixture and examine procedures for ensuring quality of concrete materials. 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 special inspection and testing and inspecting agency procedures for field quality control, concrete finishes and finishing, cold- and hot- weather concreting procedures, curing procedures, construction contraction and isolation joints, and joint-filler strips, semirigid joint fillers, vapor-retarder installation, anchor rod and anchorage device installation tolerances, steel reinforcement installation, [methods for achieving specified floor and slab flatness and levelness and concrete protection.

1.06 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Design Mixtures: For each concrete mixture. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments.

1. Indicate amounts of mixing water to be withheld for later addition at Project site.

C. Steel Reinforcement Shop Drawings: Placing Drawings that detail fabrication, bending, and placement. Include bar sizes, lengths, material, grade, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, splices and laps, mechanical connections, tie spacing, hoop spacing, and supports for concrete reinforcement.

D. Construction Joint Layout: Indicate proposed construction joints required to construct the structure.

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

Colonial School District Contract #4-23-01

Colonial School District Issued for Construction - March 25, 2026

CAST-IN-PLACE CONCRETE

03 30 00 - 2

StudioJAED Architects & Engineers Project No. 22144

E. Samples: For vapor retarder.

F. See Structural Drawings for additional Submittal Requirements.

1.07 INFORMATIONAL SUBMITTALS

A. Qualification Data: For Installer, manufacturer & testing agency.

B. Welding certificates.

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

1. Cementitious materials.

2. Admixtures.

3. Form materials and form-release agents.

4. Steel reinforcement and accessories.

5. Fiber reinforcement.

6. Curing compounds.

7. Floor and slab treatments.

8. Bonding agents.

9. Adhesives.

10. Vapor retarders.

11. Semirigid joint filler.

12. Joint-filler strips.

13. Repair materials.

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

1. Aggregates: Include service record data indicating absence of deleterious expansion of concrete due to alkali aggregate reactivity.

E. Formwork Shop Drawings: Prepared by or under the supervision of a qualified professional engineer, detailing fabrication, assembly, and support of formwork.

1. Shoring and Reshoring: Indicate proposed schedule and sequence of stripping formwork, shoring removal, and reshoring installation and removal.

F. Floor surface flatness and levelness measurements indicating compliance with specified tolerances.

G. Field quality-control reports.

H. Minutes of preinstallation conference.

I. See Structural Drawings for additional Submittal Requirements.

1.08 QUALITY ASSURANCE

A. Installer Qualifications: A qualified installer who employs on Project personnel qualified as ACI-certified Flatwork Technician and Finisher and a supervisor who is an ACI-certified Concrete Flatwork Technician.

B. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C 94/C 94M requirements for production facilities and equipment.

1. Manufacturer certified according to NRMCA's "Certification of Ready Mixed Concrete

Production Facilities."

C. Welding Qualifications: Qualify procedures and personnel according to AWS D1.4/D 1.4M.

D. Refer to Structural Drawings for additional Quality Assurance requirements and Inspection requirements.

1.09 PRECONSTRUCTION TESTING

A. Preconstruction Testing Service: Engage a qualified testing agency to perform preconstruction testing on concrete mixtures.

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1.10 DELIVERY, STORAGE, AND HANDLING

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

1.11 FIELD CONDITIONS

A. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

1. When average high and low temperature is expected to fall below 40 deg F (4.4 deg C) for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301 (ACI 301M).

2. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials.

3. 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 (ACI 301M) and ACI 305.1 (ACI 305.1M), and as follows:

1. Maintain concrete temperature below 90 deg F (32 deg C) at time of placement. Chilled mixing water or chopped ice may be used to control temperature, provided water equivalent of ice is calculated to total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor's option.

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

PART 2 PRODUCTS

2.01 GENERAL

A. See Structural Drawings for additional product requirements.

2.02 CONCRETE, GENERAL

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

1. ACI 301 (ACI 301M).

2. ACI 117 (ACI 117M).

2.03 FORM-FACING MATERIALS

A. Smooth-Formed Finished Concrete: Form-facing panels that provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints.

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

B. Rough-Formed Finished Concrete: Plywood, lumber, metal, or another approved material.

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

C. Chamfer Strips: Wood, metal, PVC, or rubber strips, 3/4 by 3/4 inch (19 by 19 mm), minimum.

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.

2.04 STEEL REINFORCEMENT

A. Reinforcing Bars: ASTM A 615/A 615M, Grade 60 (Grade 420), deformed.

B. Steel Bar Mats: ASTM A 184/A 184M, fabricated from ASTM A 615/A 615M, Grade 60 (Grade

420), deformed bars, assembled with clips.

C. Plain-Steel Wire: ASTM A 1064/A 1064M, as drawn.

D. Plain-Steel Welded-Wire Reinforcement: ASTM A 1064/A 1064M, plain, fabricated from as-drawn steel wire into flat sheets.

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2.05 REINFORCEMENT ACCESSORIES

A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded-wire reinforcement in place. Manufacture bar supports from steel wire, plastic, or precast concrete according to CRSI's "Manual of Standard Practice," of greater compressive strength than concrete and as follows:

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

2.06 CONCRETE MATERIALS

A. Cementitious Materials:

1. Portland Cement: ASTM C 150/C 150M, Type I or Type II.

2. Fly Ash: ASTM C 618, Class F.

B. Blended Hydraulic Cement: ASTM C 595/C 595M, Type IS, portland blast- furnace slag cement.

1. Normal-Weight Aggregates: ASTM C 33/C 33M, coarse aggregate or better, graded.

Provide aggregates from a single source.

a. Maximum Coarse-Aggregate Size: 1-1/2 inches (38 mm) nominal.

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

C. Air-Entraining Admixture: ASTM C 260/C 260M.

D. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures and 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 C 494/C 494M, Type A.

2. Retarding Admixture: ASTM C 494/C 494M, Type B.

3. Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type D.

4. High-Range, Water-Reducing Admixture: ASTM C 494/C 494M, Type F.

5. High-Range, Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type G.

6. Plasticizing and Retarding Admixture: ASTM C 1017/C 1017M, Type II.

E. Set-Accelerating Corrosion-Inhibiting Admixture: Commercially formulated, anodic inhibitor or mixed cathodic and anodic inhibitor; capable of forming a protective barrier and minimizing chloride reactions with steel reinforcement in concrete and complying with ASTM C 494/C 494M, Type C.

F. Water: ASTM C 94/C 94M and potable.

2.07 VAPOR RETARDERS

A. Sheet Vapor Retarder: ASTM E 1745, Class A. Include manufacturer's recommended adhesive or pressure-sensitive tape.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

a. Fortifiber Building Systems Group; Moistop Ultra 15.

b. Grace Construction Products, W. R. Grace & Co.; Florprufe 120.

c. Meadows, W. R., Inc.; Perminator 15 mil.

d. Raven Industries Inc.; Vapor Block 15.

e. Stego Industries, LLC; Stego Wrap 15 mil Class A.

2.08 LIQUID FLOOR TREATMENTS

A. Penetrating Liquid Floor Treatment: 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, available products that may be incorporated into the Work include, but are not limited to, the following:

a. ChemTec Int'l; ChemTec One.

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b. Euclid Chemical Company (The), an RPM company; Euco Diamond Hard.

c. L&M Construction Chemicals, Inc.; Seal Hard.

d. Meadows, W. R., Inc.; LIQUI-HARD.

2.09 CURING MATERIALS

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

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

a. Axim Italcementi Group, Inc.; CATEXOL CimFilm.

b. ChemMasters; SprayFilm.

c. Euclid Chemical Company (The), an RPM company; Eucobar.

d. L&M Construction Chemicals, Inc.; E-CON.

e. Meadows, W. R., Inc.; EVAPRE.

B. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. (305 g/sq. m) when dry.

C. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap- polyethylene sheet.

D. Water: Potable.

E. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, dissipating.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

a. Anti-Hydro International, Inc.; AH Curing Compound #2 DR WB.

b. ChemMasters; Safe-Cure Clear.

c. Euclid Chemical Company (The), an RPM company; Kurez W VOX; TAMMSCURE

WB 30C.

d. L&M Construction Chemicals, Inc.; L&M Cure R.

e. Meadows, W. R., Inc.; 1100-CLEAR.

F. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, nondissipating, certified by curing compound manufacturer to not interfere with bonding of floor covering.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

a. Anti-Hydro International, Inc.; AH Clear Cure WB.

b. ChemMasters; Safe-Cure & Seal 20.

c. Euclid Chemical Company (The), an RPM company; Aqua Cure VOX; Clearseal WB

150.

d. L&M Construction Chemicals, Inc.; Dress & Seal WB.

e. Meadows, W. R., Inc.; Vocomp-20.

2.10 RELATED MATERIALS

A. Expansion- and Isolation-Joint-Filler Strips: ASTM D 1751, asphalt-saturated cellulosic fiber or

ASTM D 1752, cork or self-expanding cork.

B. Semirigid Joint Filler: Two-component, semirigid, 100 percent solids, epoxy resin with a Type A shore durometer hardness of 80 or aromatic polyurea with a Type A shore durometer hardness range of 90 to 95 according to ASTM D 2240.

C. Bonding Agent: ASTM C 1059/C 1059M, Type II, nonredispersible, acrylic emulsion or styrene butadiene.

D. Epoxy Bonding Adhesive: ASTM C 881, two-component epoxy resin, capable of humid curing and bonding to damp surfaces, of class suitable for application temperature and of grade to suit requirements, and as follows:

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1. Types IV and V, load bearing, for bonding hardened or freshly mixed concrete to hardened concrete.

E. Reglets: Fabricate reglets of not less than 0.022-inch- (0.55-mm-) thick, galvanized-steel sheet.

Temporarily fill or cover face opening of reglet to prevent intrusion of concrete or debris.

F. Dovetail Anchor Slots: Hot-dip galvanized-steel sheet, not less than 0.034 inch (0.85 mm) thick, with bent tab anchors. Temporarily fill or cover face opening of slots to prevent intrusion of concrete or debris.

2.11 REPAIR MATERIALS

A. Repair Underlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8 inch (3.2 mm) and that can be feathered at edges to match adjacent floor elevations.

1. Cement Binder: ASTM C 150/C 150M, portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219.

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

3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch (3.2 to 6 mm) or coarse sand as recommended by underlayment manufacturer.

4. Compressive Strength: Not less than 4100 psi (29 MPa) at 28 days when tested according to ASTM C 109/C 109M.

B. Repair Overlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/4 inch (6.4 mm) and that can be filled in over a scarified surface to match adjacent floor elevations.

1. Cement Binder: ASTM C 150/C 150M, portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219.

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

3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch (3.2 to 6 mm) or coarse sand as recommended by topping manufacturer.

4. Compressive Strength: Not less than 5000 psi (34.5 MPa) at 28 days when tested according to ASTM C 109/C 109M.

2.12 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, according to ACI 301 (ACI 301M).

1. Use a qualified independent 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: 25 percent.

2. Combined Fly Ash and Pozzolan: 25 percent.

3. Slag Cement: 50 percent.

4. Combined Fly Ash or Pozzolan and Slag Cement: 50 percent portland cement minimum, with fly ash or pozzolan not exceeding 25 percent.

C. Limit water-soluble, chloride-ion content in hardened concrete to 0.15 percent by weight of cement.

D. Admixtures: Use admixtures according to manufacturer's written instructions.

1. Use high-range 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.

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3. Use water-reducing admixture in pumped concrete, concrete for heavy- use industrial slabs and parking structure slabs, concrete required to be watertight, and concrete with a w/c ratio below 0.50.

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

E. Color Pigment: Add color pigment to concrete mixture according to manufacturer's written instructions and to result in hardened concrete color consistent with approved mockup.

2.13 CONCRETE MIXTURES FOR BUILDING ELEMENTS

A. Footings: Normal-weight concrete.

1. Minimum Compressive Strength: 3000 psi (20.7 MPa) at 28 days.

2. Maximum W/C Ratio: 0.50.

3. Slump Limit: 4 inches (100 mm) for concrete with verified slump of 2 to 4 inches (50 to 100

mm) plus or minus 1 inch (25 mm).

4. Air Content: 5.5 percent, plus or minus 1.5 percent at point of delivery for 1-1/2-inch (38-

mm) nominal maximum aggregate size.

B. Foundation Walls and Piers: Normal-weight concrete.

1. Minimum Compressive Strength: 4000 psi (27.6 MPa) at 28 days.

2. Maximum W/C Ratio: 0.45.

3. Slump Limit: 4 inches (100 mm) , plus or minus 1 inch (25 mm).

4. Air Content: 5.5 percent, plus or minus 1.5 percent at point of delivery for 1-1/2-inch (38-

mm) nominal maximum aggregate size.

C. Slabs-on-Grade: Normal-weight concrete.

1. Minimum Compressive Strength: 5000 psi (34.5 MPa) exterior and 4000 psi (27.6 MPa) interior at 28 days.

2. Maximum W/C Ratio: 0.45.

3. Slump Limit: 4 inches (100 mm), plus or minus 1 inch (25 mm).

4. Air Content: 5.5 percent, plus or minus 1.5 percent at point of delivery for 1-1/2-inch (38-

mm) nominal maximum aggregate size.

5. Air Content: Do not allow air content of trowel-finished floors to exceed 3 percent.

2.14 FABRICATING REINFORCEMENT

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

2.15 CONCRETE MIXING

A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94/C

94M and ASTM C 1116/C 1116M, and furnish batch ticket information.

1. When air temperature is between 85 and 90 deg F (30 and 32 deg C), reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F (32 deg C), reduce mixing and delivery time to 60 minutes.

B. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete according to ASTM C 94/C 94M. Mix concrete materials in appropriate drum- type batch machine mixer.

1. For mixer capacity of 1 cu. yd. (0.76 cu. m) or smaller, continue mixing at least 1-1/2 minutes, but not more than 5 minutes after ingredients are in mixer, before any part of batch is released.

2. For mixer capacity larger than 1 cu. yd. (0.76 cu. m), increase mixing time by 15 seconds for each additional 1 cu. yd. (0.76 cu. m).

3. Provide batch ticket for each batch discharged and used in the Work, indicating Project identification name and number, date, mixture type, mixture time, quantity, and amount of water added. Record approximate location of final deposit in structure.

PART 3 EXECUTION

3.01 FORMWORK INSTALLATION

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A. Design, erect, shore, brace, and maintain formwork, according to ACI 301 (ACI 301M), to support vertical, lateral, static, and dynamic loads, and construction loads that might be applied, until structure can support such loads.

B. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117 (ACI 117M).

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

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

Provide crush or wrecking plates where stripping may damage cast- concrete surfaces. Provide top forms for inclined surfaces steeper than 1.5 horizontal to 1 vertical.

1. Install keyways, reglets, recesses, and the like, for easy removal.

2. Do not use rust-stained steel form-facing material.

E. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces. Provide and secure units to support screed strips; use strike-off templates or compacting- type screeds.

F. Provide temporary openings for cleanouts and inspection ports where interior area of formwork is inaccessible. Close openings with panels tightly fitted to forms and securely braced to prevent loss of concrete mortar. Locate temporary openings in forms at inconspicuous locations.

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

H. Form openings, chases, offsets, sinkages, keyways, reglets, blocking, screeds, and bulkheads required in the Work. Determine sizes and locations from trades providing such items.

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

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

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

3.02 EMBEDDED ITEM INSTALLATION

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

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

2. 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. Install dovetail anchor slots in concrete structures as indicated.

3.03 REMOVING AND REUSING FORMS

A. General: Formwork for sides of beams, walls, columns, and similar parts of the Work that does not support weight of concrete may be removed after cumulatively curing at not less than 50 deg F (10 deg C) 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 beam soffits, joists, slabs, and other 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.

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3. Clean and repair surfaces of forms to be reused in the Work. Split, frayed, delaminated, or otherwise damaged form-facing material are not acceptable for exposed surfaces. Apply new form-release agent.

4. When forms are reused, clean surfaces, remove fins and laitance, and tighten to close joints. Align and secure joints to avoid offsets. Do not use patched forms for exposed concrete surfaces unless approved by Architect.

3.04 VAPOR-RETARDER INSTALLATION

A. Sheet Vapor Retarders: Place, protect, and repair sheet vapor retarder according to ASTM E

1643 and manufacturer's written instructions.

1. Lap joints 6 inches (150 mm) and seal with manufacturer's recommended tape.

B. Bituminous Vapor Retarders: Place, protect, and repair bituminous vapor retarder according to manufacturer's written instructions.

3.05 STEEL REINFORCEMENT INSTALLATION

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

1. Do not cut or puncture vapor retarder. 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.

C. Accurately position, support, and secure reinforcement against displacement. Locate and support reinforcement with bar supports to maintain minimum concrete cover. Do not tack weld crossing reinforcing bars.

1. Weld reinforcing bars according to AWS D1.4/D 1.4M, where indicated.

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

E. Install welded-wire reinforcement in longest practicable lengths on bar supports spaced to minimize sagging. Lap edges and ends of adjoining sheets at least one mesh spacing. Offset laps of adjoining sheet widths to prevent continuous laps in either direction. Lace overlaps with wire.

3.06 JOINTS

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

B. 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. Continue reinforcement across construction joints unless otherwise indicated. Do not continue reinforcement through sides of strip placements of floors and slabs.

2. Form keyed joints as indicated. Embed keys at least 1-1/2 inches (38 mm) into concrete.

3. Locate joints for beams, slabs, joists, and girders in the middle third of spans. Offset joints in girders a minimum distance of twice the beam width from a beam-girder intersection.

4. Use a bonding agent at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

5. Use epoxy-bonding adhesive at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

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

1. Sawed Joints: Form contraction joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut 1/8-inch- (3.2-mm-) wide joints into concrete when cutting action does not tear, abrade, or otherwise damage surface and before concrete develops random contraction cracks.

Colonial School…