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STRUCTURAL
<br />SPECIFICATIONS
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<br />
<br />CAST-IN-PLACE CONCRETE 03 30 00 - 1
<br />SECTION 03 30 00
<br />
<br />CAST-IN-PLACE CONCRETE
<br />
<br />
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />
<br />A. This section includes:
<br />1. Furnishing, placing, patching, and initial curing of cast-in-place concrete unless
<br />otherwise specified.
<br />2. Grout and drypack, except as otherwise specified.
<br />3. Placing of embedded anchor bolts and inserts.
<br />4. Vapor barrier under interior floor slabs on grade.
<br />5. Finishing and final curing of cast-in-place concrete.
<br />6. Waterstops including testing.
<br />7. Miscellaneous concrete work, including but not limited to areaways, cast-in-
<br />place valve boxes, pits, splash blocks, equipment bases, and other items as
<br />shown or required to complete all Work.
<br />8. Slurry concrete.
<br />
<br />B. Related Work Specified Elsewhere:
<br />1. Preparation and grading of earth subgrade, Section 31 20 00.
<br />2. Concrete Paving: Concrete for pedestrian and vehicular traffic, Section 32 13
<br />13.
<br />3. Furnishing, erection, and removal of forms, Section 03 10 00.
<br />4. Furnishing and placing reinforcing steel for cast-in-place concrete, Section 03 20
<br />00.
<br />5. Fiberous Concrete Reinforcing, Section 03 24 00.
<br />6. Reinforcing bars for masonry, Section 04 22 00.
<br />7. Concrete Unit Masonry, Section 04 22 00.
<br />8. Cement fill in metal stair pans, Section 05 50 00.
<br />
<br />1.2 REFERENCES, CODES AND STANDARDS: The following references, codes and standards are
<br />hereby made a part of this Section work shall conform to the applicable requirements therein
<br />except as otherwise specified herein or shown on the Drawings. Latest adopted edition of
<br />references and codes adopted by the Governing Agency shall apply. Nothing contained herein
<br />shall be construed as permitting work that is contrary to code requirements.
<br />A. American Concrete Institute (ACI) ACI 117 – Standard Specifications for Tolerances for
<br />Concrete Construction and Materials.
<br />
<br />B. ACI 211.1 Standard Practice for Selecting Proportions for Normal, Heavyweight and Mass
<br />Concrete.
<br />
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<br />CAST-IN-PLACE CONCRETE 03 30 00 - 2
<br />C. American Concrete Institute (ACI): ACI 211.2 – Standard Practice for Selecting Proportions
<br />for Structural Lightweight Concrete.
<br />
<br />D. ACI 301 Specifications for Structural Concrete for Buildings.
<br />
<br />E. ACI 302.1 – Recommended Practice for Concrete Floor and Slab Construction.
<br />
<br />F. ACI 304 Recommended Practice for Measuring, Mixing, Transporting and Placing
<br />Concrete.
<br />
<br />G. ACI 304.2 Placing Concrete by Pumping Methods.
<br />
<br />H. ACI 305 Hot Weather Concreting.
<br />
<br />I. ACI 306 Cold Weather Concreting.
<br />
<br />J. ACI 308 – Recommended Practice for Curing Concrete.
<br />
<br />K. ACI 309 Standard Practice for Consolidation of Concrete.
<br />
<br />L. ACI 315 Details and Detailing of Concrete Reinforcement.
<br />
<br />M. ACI 318 Building Code Requirements for Reinforced Concrete.
<br />
<br />N. ACI 347 Recommended Practice for Concrete Formwork.
<br />
<br />O. American Welding Society (AWS) AWS D1.4 Structural Welding Code – Reinforcing Bars.
<br />
<br />P. National Ready Mixed Concrete Association (NRMCA) - Concrete Plant Standards and
<br />Truck Mixer and Agitator Standards.
<br />
<br />Q. Concrete Reinforcing Steel Institute (CRSI) – Manual of Standard Practice.
<br />
<br />R. CRSI – Placing Reinforcing Bars.
<br />
<br />S. International Concrete Repair Institute (ICRI) - Guide for Surface Preparation for the Repair
<br />of Deteriorated Concrete Resulting from Reinforcing Steel Corrosion (Guideline No.
<br />03730) .
<br />
<br />T. IRCI - Guide for Selecting Application Methods for Repair of Concrete Surfaces (Guideline
<br />No. 03731).
<br />
<br />U. International Building Code (IBC) with State of California Amendments (CBC).
<br />
<br />1.3 SUBMITTALS:
<br />A. Allow a minimum of two weeks for review of submittals.
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<br />CAST-IN-PLACE CONCRETE 03 30 00 - 3
<br />B. Shop Drawings: Submit for structural concrete and concrete slabs showing dimensioned
<br />locations, types of construction and expansion joints, and method of keying.
<br />C. Mix Designs: Submit mix designs for review and approval. Also refer to Section 1.05.
<br />D. Product Data: Proprietary admixtures, curing compounds, hardeners and sealers.
<br />1. Indicate compatibility of curing compounds and floor sealer with bond breaker
<br />for tilt-up concrete and finish materials to be applied to concrete.
<br />2. Indicate compatibility of curing compounds, hardeners and sealers with
<br />materials used for installation of applied flooring.
<br />
<br />E. Product Data: Submit the coloring admix manufacturer's technical data for products,
<br />methods, and color control procedures.
<br />
<br />F. Certificates: Certify that materials meet requirements of paragraph "Quality
<br />Assurance".
<br />
<br />G. Delivery Tickets: With each transit truck, provide delivery ticket, signed by an
<br />authorized representative of the batch plant, containing all information required by
<br />ASTM C94, as well as time batched, type and brand of cement, cement content,
<br />maximum size of aggregate and total water content.
<br />1.4 QUALITY ASSURANCE:
<br />A. Compliance with Regulations: All materials shall comply with the current rules and
<br />regulations of the local air quality management district, with the rules regarding volatile
<br />organic compounds, and with FDA rules and regulations for dangerous substances in
<br />construction products.
<br />B. Concrete Manufacturer: Furnish concrete from licensed commercial ready-mix
<br />concrete plants conforming to ASTM C94 and approved by Building Official.
<br />Requirements herein govern when exceeding ASTM C94.
<br />C. Allowable Tolerances: Construct concrete conforming to the tolerances specified in ACI
<br />117 "Recommended Tolerances for Concrete Construction and Materials", as
<br />applicable, unless exceeded by requirements of regulatory agencies or otherwise
<br />indicated or specified.
<br />D. Testing Agency Services: Owner will engage an independent testing and inspection
<br />agency to conduct tests and perform other services specified for quality control during
<br />construction.
<br />E. Source Quality Control: Refer to the following paragraphs for specific procedures.
<br />Concrete materials which, by previous tests or actual service, have shown conformance
<br />may be used without testing when so approved by the Architect and Building Official.
<br />Testing Laboratory shall perform following conformance testing.
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<br />CAST-IN-PLACE CONCRETE 03 30 00 - 4
<br />1. Portland Cement: Furnish Certificate of Compliance acceptable to Architect
<br />and Building Official, showing conformance with requirements specified;
<br />otherwise, the Testing Laboratory shall test each 250 barrels of cement in
<br />accordance with ASTM C150.
<br />2. Aggregate for Normal Weight Concrete: Test the aggregate before and after
<br />concrete mix is designed and whenever character of aggregate varies or
<br />source of material is changed. Include a sieve analysis. Obtain samples of
<br />aggregates at the dry batching or ready-mix concrete plant in accordance with
<br />ASTM D75 and perform tests for the properties listed in the following table:
<br />
<br />PHYSICAL PROPERTIES
<br />Physical Properties, units Test Method Minimum values
<br />Sieve analysis ASTM C136 Per ASTM C33 Section 6 for fine
<br />aggregate and Table 2 for coarse
<br />aggregate.
<br />Organic impurities ASTM C40 Fine aggregate not darker than
<br />reference standard color
<br />Soundness ASTM C88 Loss after 5 cycles not more than 8
<br />percent of coarse aggregate, nor
<br />more than 10 percent of fine
<br />aggregate
<br />Abrasion ASTM C131 For coarse aggregate weight loss
<br />not more than 10.5 percent after
<br />100 revolutions, 42 percent after
<br />500 revolutions
<br />Deleterious materials ASTM C33 Per ASTM C33 Table 1 for fine
<br />aggregate and Table 3 for coarse
<br />aggregate
<br />Materials finer than No. 200 sieve ASTM C117 Not over 1 percent for gravel, 1.5
<br />percent for crushed aggregate
<br />Reactivity potential ASTM C227, C289,
<br />C342
<br />Ratio of silica released to reduction
<br />in alkalinity not to exceed 1.0.
<br />Sand equivalent ASTM D2419 California sand equivalent values
<br />operating range not below 71
<br />percent
<br />
<br />3. Lightweight Aggregates: Test the lightweight aggregates before mix is
<br />designed and whenever the character of aggregate varies or source is changed
<br />in accordance with ASTM C330. Include a sieve analysis and report on unit
<br />weights, deleterious substances, unburned or underburned lumps, loss on
<br />ignition, soundness, and staining materials.
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<br />CAST-IN-PLACE CONCRETE 03 30 00 - 5
<br />1.5 CONCRETE MIX DESIGNS: Testing Laboratory shall design concrete mixes for concrete
<br />requiring 28-day compressive strength exceeding 2,500 psi. Contractor shall bear all costs for
<br />concrete mix designs. All mix designs shall be signed and sealed by a Civil Engineer registered
<br />in the State of California.
<br />A. Strength Requirements: Design mixes for structural concrete for minimum 28-day
<br />compressive strengths required by Drawings and Specifications. All mix designs for
<br />structural concrete shall be proportioned in accordance with ACI 301. If trial batches
<br />are used, the trial batch strength for each mix shall exceed indicated or specified
<br />strength by an amount based on the standard deviations of strength test records
<br />according to ACI 318.
<br />B. Normal Weight Concrete Mix Designs: Design all mixes for workability and durability of
<br />concrete. Control the mixes in accordance with ACI 211.1, “Standard Practice for
<br />Selecting Proportions for Normal, Heavyweight, and Mass Concrete”, and ACI 318. Make
<br />adjustments in cement content required for concrete strengths at Contractor's expense
<br />and do not exceed 0.60 absolute water-cement or cement plus fly ash ratio by weight.
<br />Do not use calcium chloride or any admixture containing such material. Admixtures
<br />containing a material releasing nitrates in solution are limited to 0.06 percent by weight
<br />for the chloride ion.
<br />C. Maximum Aggregate Sizes: Not exceeding 3/4 of minimum clear space between bars
<br />and between bars and forms, nor larger than 1/5 of least dimensions between the
<br />forms. Design the mixes with 3/4" maximum size, except maximum 1-1/2" size for
<br />foundations and maximum 3/8" size at congested reinforcing or thin sections, when
<br />approved by the Architect.
<br />D. Light Weight Structural Concrete: Design mixes based on field experience, and control
<br />mix in accordance with ACI 211.2, “Standard Practice for Selecting Proportions for
<br />Structural Lightweight Concrete”. Design for air-dry density of 110 pounds per cubic foot
<br />maximum. With each mix design submit test reports showing concretes covered by the
<br />mix designs meet shrinkage test requirements specified under Article “Field Quality
<br />Control” hereinafter or include certified test reports showing conformance as furnished
<br />by the ready-mix concrete manufacturer.
<br />E. Air Content: All formed normal weight concrete may contain an air-entraining agent
<br />producing air content of 1.5% to 3% by volume and adjusted for weather conditions. All
<br />interior slabs shall have a maximum air content of 1.5 percent.
<br />F. Pumped Concrete: Design concrete mixes specifically for pump placing with dry loose
<br />volume of fine aggregates not more than 47 percent of total aggregates.
<br />1.6 DELIVERY, STORAGE, AND HANDLING:
<br />A. Deliver all materials in timely manner to ensure uninterrupted progress of the Work.
<br />B. Store materials by methods that prevent damage and permit ready access for inspection
<br />and identification.
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<br />C. Runoff: Prevent run off of water contaminated by construction agents and chemicals
<br />from soiling existing surfaces and from contaminating existing and future landscape
<br />areas.
<br />1.7 PROJECT SITE CONDITIONS:
<br />A. Do not place concrete during rain or adverse weather conditions without means to
<br />prevent all damage. Conform to requirements specified hereinafter whenever concrete
<br />placement is required during cold or hot weather.
<br />
<br />PART 2 - PRODUCTS
<br />2.1 MATERIALS:
<br />A. Portland cement: ASTM C150, Type II, low alkali, or Type V when in contact with soils.
<br />Do not change brand or source without prior approval.
<br />B. Aggregates:
<br />1. Standard weight aggregates: ASTM C33, from approved pits, free from
<br />vegetable matter and of opaline, feldspar, or siliceous magnesium substances;
<br />all washed, clean, hard, fine-grained sound crushed rock or gravel; not over 5
<br />percent by weight of flat, thin, elongated, friable, or laminated pieces (pieces
<br />having major dimension over 5 times average dimension) or more than 2
<br />percent by weight of shale or cherty material.
<br />2. Lightweight aggregates: ASTM C330, Ridgelite, Rocklite, or equal, approved
<br />kiln expanded shale or clay having fire sealed surface, coarse aggregate not
<br />produced by crushing, dry loose weight maximum 38 pcf, maximum 3/4” size,
<br />vacuum or thermally fully saturated for pumped concrete. The absolute
<br />volume of coarse aggregate in concrete mix not exceeding 8.8 cubic feet.
<br />
<br />C. Admixtures:
<br />1. Chemical (Water Reducing) Admixture: ASTM C494, Type A, D, or E. Only one
<br />brand. When used, are subject to approval of Architect, and should reduce the
<br />mixing water at least 5 percent without entraining air in excess of 2 percent by
<br />volume. If the water reducing agent entrains more than 2 percent air, the water
<br />reduction shall be at least 10 percent, but in no case shall the water reducing
<br />agent entrain air in excess of 4 percent.
<br />2. Air-entraining admix: ASTM C260.
<br />3. Pozzolan: ASTM C618, Class F or C Fly Ash, 100 pounds maximum per cubic
<br />yard, containing 1 percent or less carbon. Fly ash shall not be used in excess of
<br />20 percent by weight of total cement quantity.
<br />4. Super-Plasticizers (High Range Water Reducers): ASTM C494, Type F or G.
<br />Master Builders "Rheobuild", Euclid "Eucon 37" or equal, capable of producing
<br />concrete which can be placed at 6-8 inch slump without segregation, capable of
<br />maintaining slump within 2" of that initially mixed for 90 minutes, and of
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<br />maintaining concrete temperature within 2 degrees F. from time of batching for
<br />90 minutes minimum.
<br />5. Color Admixture: L.M. Scofield Company "Chromix", "Colorfull Concrete Color"
<br />by Admixtures, Inc., Irwindale, Calif., both standard and retarder types as
<br />required for the field placing conditions, or prior approved equal.
<br />D. Water: From potable domestic source.
<br />E. Curing Materials:
<br />1. Curing, Hardening and Sealing Materials, General: Provide materials suitable
<br />for concrete finish and not detrimental to materials to be applied to concrete.
<br />Materials shall be compatible with concrete admixtures, shall be recommended
<br />by manufacturer for intended use and shall comply with applicable air quality
<br />requirements of authorities having jurisdiction
<br />2. Liquid Curing compound: ASTM C309, Type I, Class B, W.R. Meadows 1100
<br />Series, Master Builders "Masterkure-N-Seal W", or equal, complying with Rule
<br />1113 of the South Coast Air Quality Management District and Federal Air Quality
<br />Regulation 40 CFR 52.254.
<br />3. Curing sheet: ASTM C171, non-staining white types.
<br />4. Curing, Hardening and Dustproofing Compound: Sonneborn Sonosil, water-
<br />based inorganic silicate-base compound, to cure, harden and dustproof
<br />concrete, VOC-compliant.
<br />5. Surface Hardening and Dustproofing Compound: Sonneborn Lapidolith
<br />concrete hardening compound, chemically-active solution which interacts with
<br />free lime in concrete to form dense, impervious wearing surface, VOC-
<br />compliant.
<br />F. Vapor barrier:
<br />
<br />1. Vapor Retarder must have the following qualities:
<br />a. Water Vapor Transmission Rate: ASTM E96 with 0.04 Perms or lower.
<br />b. Water Vapor Retarder: ASTM E 1745 meeting or Class C minimum.
<br />c. Thickness of Retarder (plastic): ACI 302.1R-04 not less than 10 mils.
<br />2. Acceptable Products:
<br />a. Stego Wrap 10-mil Vapor Retarder by Stego Industries LLC.
<br />b. Griffolyn T-85 by Reef Industries.
<br />c. Moistop Ultra by Fortifiber Industries.
<br />3. General Installation:
<br />a. Overlap joints 6 inches and seal with manufacturers tape.
<br />b. Seal all penetrations (including pipes) per manufacturer’s instructions.
<br />c. Repair all damaged areas prior to pouring of slab.
<br />
<br />G. Non-shrink grout: Conform to Corps of Engineers CRC-C 621, ASTM C1107 and as
<br />follows:
<br />
<br />1. Metallic for concealed areas: Master Builders "Embeco 885", or equal, non-gas-
<br />forming and free of oxidizing catalysts and inorganic accelerators, used as dry
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<br />or damp pack, or mixed to a 20-second flow, without segregation or bleeding at
<br />any temperature between 45 degrees F and 100 degrees F. Working time 30
<br />minutes or more.
<br />2. Non-metallic for exposed areas: Master Builders "Masterflow 928", or Euclid
<br />"Euco Hi-Flow Grout" with same characteristics as specified for concealed areas.
<br />3. Epoxy grout where indicated: Multi-component, premeasured, fast-curing
<br />combination of thermosetting resins and inert fillers, Master Builders
<br />"Masterflow 648CP Plus", Sikadur 42 Industrial Group-Pak by Sika Chemical
<br />Corporation, or Euclid "Euco High Strength Grout".
<br />
<br />H. Drypack: Field mixture of 1 part Portland cement to 2 parts fine aggregate mixed to a
<br />damp consistency such that a ball molded in the hands will stick together and hold its
<br />shape. At Contractor's option, the specified admixture may be added for increased
<br />workability at lower water/cement ratio. In lieu of field mixing, Contractor may use
<br />factory mixed drypack material, such as Master Builders "Set Grout" or Euclid "Euco Dry
<br />Pack Grout".
<br />I. Expansion Joint Filler: Asphalt impregnated fiber or non extruding foam type,
<br />conforming to ASTM D1751 and D1752, W.R. Meadows “Sealtight”, or equal.
<br />J. Construction Joint Materials: "Key-Kold" or "Kwik-Joint", of profiles indicated.
<br />K. Bonding Agent: "Weld-Crete", manufactured by Larsen Products Co., Master Builders
<br />"Concresive", or equal.
<br />2.2 CONCRETE MIXING:
<br />A. Furnish ready-mixed concrete from an approved commercial off-site plant. Conform to
<br />ASTM C94, except materials, testing, and mix designs as specified herein. Use transit
<br />mixer trucks equipped with automatic devices for recording number of revolutions of
<br />drum.
<br />B. Admixtures: All approved admixtures shall be introduced into the concrete at the batch
<br />plant. Field additions are not acceptable.
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