[M12-19278] SECTION 03 20 00 CONCRETE REINFORCING PART 1 .

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[M12-19278]SECTION 03 20 00CONCRETE REINFORCINGPART 1 GENERAL1.11.2SUMMARYA.Section Includes:1.Reinforcing bars.2.Welded wire fabric.3.Reinforcement accessories.B.Related Sections:1.Section 03 10 00 - Concrete Forming and Accessories.2.Section 03 30 00 - Cast-In-Place Concrete.REFERENCESA.American Concrete Institute:1.ACI 301 - Specifications for Structural Concrete.2.ACI 318 - Building Code Requirements for Structural Concrete.3.ACI 530.1 - Specifications for Masonry Structures.4.ACI SP-66 - ACI Detailing Manual.B.ASTM International:1.ASTM A82 - Standard Specification for Steel Wire, Plain, for ConcreteReinforcement.2.ASTM A184 - Standard Specification for Fabricated Deformed Steel Bar Matsfor Concrete Reinforcement.3.A185 -07 Standard Specification for Steel Welded Wire Reinforcement, Plain,for Concrete.4.ASTM A496 - Standard Specification for Steel Wire, Deformed, for ConcreteReinforcement.5.ASTM A497 - Standard Specification for Steel Welded Wire Fabric, Deformed,for Concrete Reinforcement.6.ASTM A615 - Standard Specification for Deformed and Plain Billet-Steel Barsfor Concrete Reinforcement.7.ASTM A704 - Standard Specification for Welded Steel Plain Bar or Rod Matsfor Concrete Reinforcement.C.American Welding Society:1.AWS D1.4 - Structural Welding Code - Reinforcing Steel.D.Concrete Reinforcing Steel Institute:1.CRSI - Manual of Standard Practice.2.CRSI - Placing Reinforcing Bars.Concrete Reinforcing03 20 00 - 1

[M12-19278]1.31.4SUBMITTALSA.Section 01300 – Submittals.B.Manufacturer's Certificate: Certify Products meet or exceed specified requirements.QUALITY ASSURANCEA.1.5QUALIFICATIONSA.1.6Perform Work in accordance with CRSI - Manual of Standard Practice, ACI 301 and ACI318.Welders: AWS qualified within previous 12 months.COORDINATIONA.Section 01040 – Coordination.B.Coordinate with placement of formwork, formed openings and other Work.PART 2 PRODUCTS2.12.22.3REINFORCEMENTA.Reinforcing Steel: ASTM A615 60 ksi yield grade, deformed billet bars, uncoated finish.B.Plain Wire: ASTM A82 unfinished.C.Welded Plain Wire Fabric: ASTM A185; unfinished in flat sheets. Coiled rolls ARENOT ACCEPTABLE.ACCESSORY MATERIALSA.Tie Wire: 16 gage annealed type per ASTM A82.B.Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support ofreinforcement during concrete placement conditions including load bearing pad onbottom to prevent vapor retarder puncture.C.Special Chairs, Bolsters, Bar Supports, Spacers Adjacent to Weather Exposed ConcreteSurfaces: Plastic-coated steel type; size and shape to meet Project conditions.D.Epoxy Coating Patching Material: Type as recommended by coating manufacturer.FABRICATIONA.Fabricate concrete reinforcement in accordance with CRSI Manual of Practice.Concrete Reinforcing03 20 00 - 2

[M12-19278]2.4B.Form reinforcement bends with minimum diameters in accordance with ACI 318.C.Fabricate column reinforcement with offset bends at reinforcement splices.D.Form spiral column reinforcement from minimum 3/8 inch diameter continuousdeformed bar or wire.E.Locate reinforcement splices not indicated on Drawings, at point of minimum stress.Review location of splices with Architect/Engineer.SOURCE QUALITY CONTROLA.Section 01400 – Quality Control.PART 3 EXECUTION3.13.2PLACEMENTA.Place, support and secure reinforcement against displacement. Do not deviate fromrequired position beyond specified tolerance.1.Do not weld crossing reinforcement bars for assembly except as permitted byArchitect/Engineer.B.Do not displace or damage vapor retarder.C.Accommodate placement of formed openings.D.Space reinforcement bars with minimum clear spacing in accordance with ACI 318 butnot less than 1 inch.1.Where bars are indicated in multiple layers, place upper bars directly abovelower bars.2.Maintain concrete cover around reinforcement in accordance with ACI 318E.Splice reinforcing where indicated on Drawings.F.Bond and ground reinforcement in accordance with Electric Code requirements.ERECTION TOLERANCESA.Install reinforcement within the following tolerances for flexural members, walls, andcompression members:Reinforcement DepthDepth ToleranceConcrete Cover ToleranceGreater than 8 inchesplus or minus 3/8 inchminus 3/8 inchLess than 8 inchesplus or minus 1/2 inchminus 1/2 inchConcrete Reinforcing03 20 00 - 3

[M12-19278]B.3.33.4Install reinforcement within the tolerances specified in ACI 530.1 for foundation walls.FIELD QUALITY CONTROLA.Section 01400 – Quality Control.B.Reinforcement Inspection:1.Placement Acceptance: Specified material requirements and specified placementtolerances.2.Welding: Inspect welds in accordance with AWS D1.1.3.Periodic Placement Inspection: Inspect for correct materials, fabrication, sizes,locations, spacing, concrete cover, and splicing.SCHEDULESA.Reinforcement For Foundation Wall, Footings, Framing Members and Slab-on-Grade:Deformed bars and wire fabric, unfinished.END OF SECTIONConcrete Reinforcing03 20 00 - 4

[M12-19278]SECTION 03 30 00CAST-IN-PLACE CONCRETEPART 1 GENERAL1.11.2SUMMARYA.Section includes cast-in-place concrete for the following:1.Foundations.B.Related Sections:1.Section 03 10 00 - Concrete Forming and Accessories: Formwork and accessories.2.Section 03 20 00 - Concrete Reinforcing.3.Section 03 39 00 - Concrete Curing.REFERENCESA.American Concrete Institute:1.ACI 301 - Specifications for Structural Concrete.2.ACI 305 - Hot Weather Concreting.3.ACI 306.1 - Standard Specification for Cold Weather Concreting.4.ACI 308.1 - Standard Specification for Curing Concrete.5.ACI 318 - Building Code Requirements for Structural Concrete.B.ASTM International:1.ASTM C31 - Standard Practice for Making and Curing Concrete Test Specimens inthe Field.2.ASTM C33 - Standard Specification for Concrete Aggregates.3.ASTM C39 - Standard Test Method for Compressive Strength of CylindricalConcrete Specimens.4.ASTM C94 - Standard Specification for Ready-Mixed Concrete.5.ASTM C143 - Standard Test Method for Slump of Hydraulic Cement Concrete.6.ASTM C150 - Standard Specification for Portland Cement.7.ASTM C172 - Standard Practice for Sampling Freshly Mixed Concrete.8.ASTM C173 - Standard Test Method for Air Content of Freshly Mixed Concrete bythe Volumetric Method.9.ASTM C231 - Standard Test Method for Air Content of Freshly Mixed Concrete bythe Pressure Method.10.ASTM C260 - Standard Specification for Air-Entraining Admixtures for Concrete.11.ASTM C494 - Standard Specification for Chemical Admixtures for Concrete.12.ASTM C595 - Standard Specification for Blended Hydraulic Cements.13.ASTM C618 - Standard Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use as a Mineral Admixture in Concrete.14.ASTM C685 - Standard Specification for Concrete Made By Volumetric Batchingand Continuous Mixing.15.ASTM C1017 - Standard Specification for Chemical Admixtures for Use inProducing Flowing Concrete.16.ASTM C1064 - Standard Test Method for Temperature of Freshly Mixed HydraulicCement Concrete.Cast-in-Place Concrete03 30 00 - 1

[M12-19278]17.18.19.20.1.31.41.51.6ASTM C1107 - Standard Specification for Packaged Dry, Hydraulic-Cement Grout(Nonshrink).ASTM C1157 - Standard Performance Specification for Hydraulic Cement.ASTM D994 - Standard Specification for Preformed Expansion Joint Filler forConcrete (Bituminous Type).ASTM D1752 - Standard Specification for Preformed Sponge Rubber and CorkExpansion Joint Fillers for Concrete Paving and Structural Construction.SUBMITTALSA.Section 01300 – Submitals.B.Product Data: Submit data on joint devices, attachment accessories, admixtures and mixdesign.C.Design Data:1.Submit concrete mix design for each concrete strength. Submit separate mix designswhen admixtures are required for the following:a.Hot and cold weather concrete work.b.Air entrained concrete work.2.Identify mix ingredients and proportions, including admixtures.D.Manufacturer's Installation Instructions: Submit installation procedures and interfacerequired with adjacent Work.CLOSEOUT SUBMITTALSA.Section 01700 – Contract Close-Out.B.Project Record Documents: Accurately record actual locations of embedded utilities andcomponents concealed from view in finished construction.QUALITY ASSURANCEA.Perform Work in accordance with ACI 301 and ACI 318.B.Conform to ACI 305 when concreting during hot weather.C.Conform to ACI 306.1 when concreting during cold weather.D.Acquire cement and aggregate from one source for Work.ENVIRONMENTAL REQUIREMENTSA.Section 01600 - Product Requirements: Environmental conditions affecting products on site.B.Maintain concrete temperature after installation at minimum 50 degrees F for minimum 7days.C.Maintain high early strength concrete temperature after installation at minimum 50 degreesF for minimum 3 days.Cast-in-Place Concrete03 30 00 - 2

[M12-19278]1.7COORDINATIONA.Section 01040 – Coordination.B.Coordinate placement of joint devices with erection of concrete formwork and placement ofform accessories.PART 2 PRODUCTS2.1CONCRETE MATERIALSCement: ASTM C150, Type I – Normal, Type IA - Air Entraining, Type III - High Early Strength2.22.3A.Normal Weight Aggregates: ASTM C33.B.Water: ACI 318; potable, without deleterious amounts of chloride ions.ADMIXTURESA.Air Entrainment: ASTM C260.B.Chemical: ASTM C494.1.Type A - Water Reducing.2.Type B - Retarding.3.Type C - Accelerating.4.Type D - Water Reducing and RetardingC.Fly Ash: ASTM C618.D.Plasticizing: ASTM C1017 Type I, plasticizing.ACCESSORIESA.2.4JOINT DEVICES AND FILLER MATERIALSA.2.5Non-Shrink Grout: ASTM C1107; premixed compound consisting of non-metallicaggregate, cement, water reducing and plasticizing agents; capable of developing minimumcompressive strength of 2,400 psi in 48 hours and 7,000 psi in 28 days.Sealant: ASTM D6690, Type I.CONCRETE MIXA.Mix and deliver concrete in accordance with ASTM C94.B.Provide concrete for piers, footings, walls, foundation walls to the following design:Compressive Strength (7 day)Compressive Strength (28 day)CementCoarse AggregateFine Aggregate2,800 psi / 2,400 psi3,500 psi (5.5 sack)329 pounds1,700-1,900 pounds1,400-1,600 poundsCast-in-Place Concrete03 30 00 - 3

[M12-19278]Water/Cement RatioCourse Aggregate SizeFine Aggregate SizeAir EntrainedFly AshSlump0.4-0.48MDOT 6AMDOT 2NS2% /- footings / 5-6% all otherApproved Type F or CLess than 4"C.Use accelerating admixtures in cold weather only when approved by Architect/Engineer.Use of admixtures will not relax cold weather placement requirements.D.The use of calcium chloride will not be permitted.E.Use set retarding admixtures during hot weather only when approved by Architect/Engineer.F.Add air entraining agent to normal weight concrete mix for work exposed to exterior.PART 3 EXECUTION3.13.23.3EXAMINATIONA.Section 01040 – Coordination.B.Verify requirements for concrete cover over reinforcement.C.Verify anchors, seats, plates, reinforcement and other items to be cast into concrete areaccurately placed, positioned securely, and will not interfere with placing concrete.PREPARATIONA.Prepare previously placed concrete by cleaning with steel brush and applying bonding agent.Remove laitance, coatings, and unsound materials.B.In locations where new concrete is doweled to existing work, drill holes in existing concrete,insert steel dowels and pack solid with non-shrink grout or epoxy anchor perArchitect/Engineer recommendation.C.Remove debris and ice from formwork, reinforcement, and concrete substrates.D.Remove water from areas receiving concrete before concrete is placed.PLACING CONCRETEA.Place concrete in accordance with ACI 301 and ACI 318.B.Notify testing laboratory minimum 24 hours prior to commencement of operations.C.Ensure reinforcement, inserts, embedded parts, formed expansion and contraction joints, arenot disturbed during concrete placement.D.Deposit concrete at final position. Prevent segregation of mix.Cast-in-Place Concrete03 30 00 - 4

[M12-19278]3.43.53.6E.Place concrete in continuous operation for each panel or section determined bypredetermined joints.F.Consolidate concrete.G.Maintain records of concrete placement. Record date, location, quantity, air temperature, andtest samples taken.H.Place concrete continuously between predetermined expansion, control, and constructionjoints.I.Do not interrupt successive placement; do not permit cold joints to occur.CONCRETE FINISHINGA.Finish concrete floor surfaces in accordance with ACI 301 and ACI 318.B.Wood float surfaces receiving quarry tile, ceramic tile and terrazzo with full bed settingsystem.C.Steel trowel surfaces which are indicated to be exposed.CURING AND PROTECTIONA.Immediately after placement, protect concrete from premature drying, excessively hot orcold temperatures, and mechanical injury.1.Protect concrete footings from freezing for minimum 5 days.B.Maintain concrete with minimal moisture loss at relatively constant temperature for periodnecessary for hydration of cement and hardening of concrete. Cure concrete in accordancewith ACI 308.1.C.Cure surfaces in accordance with ACI 301 and ACI 318 and Section 03 39 00.FIELD QUALITY CONTROLA.Contractor shall hire a qualified testing agency to perform field inspection and testing inaccordance with ACI 318.B.Provide free access to Work and cooperate with appointed firm.C.Submit proposed mix design of each class of concrete to Engineer/Architect for review priorto commencement of Work.D.Concrete Inspections:1.Continuous Placement Inspection: Inspect for proper installation procedures.2.Periodic Curing Inspection: Inspect for specified curing temperature and procedures.E.Strength Test Samples:1.Sampling Procedures: ASTM C172.2.Cylinder Molding and Curing Procedures: ASTM C31, cylinder specimens, standardcured.Cast-in-Place Concrete03 30 00 - 5

[M12-19278]3.4.5.3.73.83.9Sample concrete and make one set of three cylinders for every 50 cu yds or less ofeach class of concrete placed each day and for every 2,500 sf of surface area forslabs on grade.As a minimum, Contractors tester shall make one set of cylinders for each pour.Make one additional cylinder during cold weather concreting, and field cure.F.Field Testing:1.Slump Test Method: ASTM C143.2.Air Content Test Method: ASTM C173 and ASTM C231.3.Temperature Test Method: ASTM C1064.4.Measure slump and temperature for each compressive strength concrete sample.5.Measure air content in air entrained concrete for each compressive strength concretesample.G.Cylinder Compressive Strength Testing:1.Test Method: ASTM C39.2.Test Acceptance: In accordance with ACI 318.3.Test one cylinder at 7 days.4.Test two cylinders at 28 days.5.Dispose remaining cylinders when testing is not required.H.Maintain records of concrete placement. Record date, location, quantity, air temperature andtest samples taken.PATCHINGA.Allow Architect/Engineer to inspect concrete surfaces immediately upon removal of forms.B.Excessive honeycomb or embedded debris in concrete is not acceptable. NotifyArchitect/Engineer upon discovery.C.Patch imperfections as directed by Architect/Engineer.DEFECTIVE CONCRETEA.Defective Concrete: Concrete not conforming to required lines, details, dimensions,tolerances or specified requirements.B.Repair or replacement of defective concrete will be determined by Architect/Engineer.C.Do not patch, fill, touch-up, repair, or replace exposed concrete except upon expressdirection of Architect/Engineer for each individual area.SCHEDULE - CONCRETE TYPES AND FINISHESA.Foundation Walls: 3,500 psi 28 day concrete form finish, air entrained.B.Footings: 3,500 psi 28 day concrete.END OF SECTIONCast-in-Place Concrete03 30 00 - 6

[M12-19278]SECTION 03 39 00CONCRETE CURINGPART 1 GENERAL1.11.21.31.4SUMMARYA.Section includes initial and final curing of horizontal and vertical concrete surfaces.B.Related Sections:1.Section 03 30 00 - Cast-In-Place Concrete.2.Section 03 35 00 - Concrete Finishing.REFERENCESA.American Concrete Institute:1.ACI 301 - Specifications for Structural Concrete.2.ACI 302.1 - Guide for Concrete Floor and Slab Construction.3.ACI 308.1 - Standard Specification for Curing Concrete.4.ACI 318 - Building Code Requirements for Structural Concrete.B.ASTM International:1.ASTM C171 - Standard Specification for Sheet Materials for Curing Concrete.2.ASTM C309 - Standard Specification for Liquid Membrane-FormingCompounds for Curing Concrete.3.ASTM C1315 - Standard Specification for Liquid Membrane-FormingCompounds Having Special Properties for Curing and Sealing Concrete.4.ASTM D2103 - Standard Specification for Polyethylene Film and Sheeting.SUBMITTALSA.Section 01300 – Submittals.B.Product Data: Submit data on curing compounds, compatibilities, and limitations.QUALITY ASSURANCEA.1.5Perform Work in accordance with ACI 301, ACI 302.1 and ACI 318.DELIVERY, STORAGE, AND HANDLINGA.Section 01600 - Product Requirements: Product storage and handling requirements.B.Deliver curing materials in manufacturer's packaging including application instructions.

[M12-19278]PART 2 PRODUCTS2.1MATERIALSA.Membrane Curing Compound: ASTM C309 or ASTM C1315.B.Polyethylene Film: ASTM C171, 6 mil thick, clear.C.Water: Potable, not detrimental to concrete.PART 3 EXECUTION3.13.23.33.43.5EXAMINATIONA.Section 01040 – Coordination.B.Verify substrate surfaces are ready to be cured.INSTALLATION - HORIZONTAL SURFACESA.Cure concrete in accordance with ACI 308.1.B.Spraying: Spray water over areas and maintain wet for 7 days.C.Membrane Curing Compound: Apply curing compound in one coat.INSTALLATION - VERTICAL SURFACESA.Cure concrete in accordance with ACI 308.1.B.Spraying: Spray water over surfaces and maintain wet for 7 days.C.Membrane Curing Compound: Apply compound in one coat.PROTECTION OF FINISHED WORKA.Section 01700 – Contract Close-Out.B.Do not permit traffic over unprotected concrete.SCHEDULESA.Foundations and Foundation Walls: curing compound.END OF SECTION

[M12-19278]SECTION 05 50 00 - METAL FABRICATIONSPART 1 GENERAL1.11.2SUMMARYA.Section includes shop fabricated metal items.1.Structural supports, framing, and miscellaneous attachments.2.Anchor bolts, eye bolts, and plates.B.Related Sections:1.Section 03 30 00 - Cast-In-Place Concrete: Execution requirements for embeddedanchors and attachments for metal fabrications specified by this section inconcrete.2.Section 06 10 00 – Rough Carpentry.REFERENCESA.Aluminum Association:1.AA DAF-45 - Designation System for Aluminum Finishes.B.ASTM International:1.ASTM A36 - Standard Specification for Carbon Structural Steel.2.ASTM A53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped,Zinc-Coated, Welded and Seamless.3.ASTM A123 - Standard Specification for Zinc (Hot-Dip Galvanized) Coatingson Iron and Steel Products.4.ASTM A153 - Standard Specification for Zinc Coating (Hot-Dip) on Iron andSteel Hardware.5.ASTM A307 - Standard Specification for Carbon Steel Bolts and Studs, 60 000PSI Tensile Strength.6.ASTM A325 - Standard Specification for Structural Bolts, Steel, Heat Treated,120/105 ksi Minimum Tensile Strength.7.ASTM A354 - Standard Specification for Quenched and Tempered Alloy SteelBolts, Studs, and Other Externally Threaded Fasteners.8.ASTM A500 - Standard Specification for Cold-Formed Welded and SeamlessCarbon Steel Structural Tubing in Rounds and Shapes.9.ASTM A501 - Standard Specification for Hot-Formed Welded and SeamlessCarbon Steel Structural Tubing.10.ASTM A554 - Standard Specification for Welded Stainless Steel MechanicalTubing.11.ASTM A563 - Standard Specification for Carbon and Alloy Steel Nuts.12.ASTM A572 - Standard Specification for High-Strength Low-Alloy ColumbiumVanadium Structural Steel.13.ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheetand Plate.14.ASTM B210 - Standard Specification for Aluminum and Aluminum-AlloyDrawn Seamless Tubes.Metal Fabrications05 50 00 - 1

[M12-19278]15.16.17.18.1.31.4C.American Welding Society:1.AWS A2.4 - Standard Symbols for Welding, Brazing, and NondestructiveExamination.2.AWS D1.1 - Structural Welding Code - Steel.3.AWS D1.6 - Structural Wel

[M12-19278] Concrete Reinforcing 03 20 00 - 3 B. Form reinforcement bends with minimum diameters in accordance with ACI 318. C. Fabricate column reinforcement with offset bends at reinforcement splices.

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