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UniSpec II- Store Planning 013015
SECTION 03314 - CAST-IN-PLACE CONCRETE SLABS (INTERIOR)
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Replacement of cast-in-place concrete slabs including slabs on grade for the following:
a. Interior floor slabs.
2. Aggregate base below slab.
3. Reinforcement and accessories.
4. Curing and finishing.
B. Related Requirements:
1. Section 01458 - Testing Laboratory Services. Procedures for inspection, testing, and documentation by
Owner furnished testing laboratory.
2. Section 01700 – Execution Requirements – Requirements for use of fuel powered equipment within the
enclosed building.
3. Section 03310 - Structural Concrete and Exterior Concrete Slabs. All concrete not included in this section
including structural concrete work and exterior slabs including, if applicable, exterior sidewalks,
truckwells, door stoops, compactor pads, compressor house equipment pads, drive-thru Pharmacy
pavement, Garden Center exterior slabs, Auto Center pit floors, slab over Auto Center pit, and Auto Center
equipment pads.
4. Section 03361 - Color Textured (Stamped) Concrete Finishes
5. Section 05120 - Structural Steel: Column anchor bolts.
6. Section 05500 - Metal Fabrications: Metal components cast into concrete.
7. Section 07210 – Building Insulation: Foundation Perimeter Insulation.
8. Section 07900 - Joint Sealers: Joint fillers and sealants for floor slabs.
9. Section 09650 - Resilient Flooring: Joint filler for contraction and construction joints concealed by floor
finish material.
1.2 REFERENCES
A. The publications listed below form a part of this specification to the extent referenced. Publications are referenced
within the text by the basic designation only.
B. American Association of State Highway and Transportation Officials (AASHTO):
1. Standard Specification For Transportation Materials And Methods Of Sampling and Testing:
a. AASHTO T318 - Water Content of Freshly Mixed Concrete Using Microwave Oven Drying
(Formerly AASHTO TP 23)
b. AASHTO M147 – Materials for Aggregate and Soil-Aggregate Subbase, Base, and Surface Courses
C. American Concrete Institute (ACI):
1. ACI 117 - Standard Tolerances for Concrete Construction and Materials.
2. ACI 301 - Structural Concrete.
3. ACI 305.1 - Hot Weather Concreting.
4. ACI 306.1 - Cold Weather Concreting.
5. ACI 308.1 - Standard Specification for Curing Concrete.
6. ACI 318 - Building Code Requirements for Reinforced Concrete and Commentary.
7. ACI 347 - Guide To Formwork For Concrete
8. ACI SP66 - ACI Detailing Manual
D. ASTM International (ASTM):
1. ASTM A36 – Carbon Structural Steel.
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2. ASTM A82 - Steel Wire, Plain, for Concrete Reinforcement.
3. ASTM A185 - Steel Welded Wire Fabric, Plain, for Carbon Steel, 60,000 PSI Tensile Strength Concrete
Reinforcement.
4. ASTM A615 - Deformed and Plain Billet-Steel Bars for Concrete Reinforcement.
5. ASTM A706 - Standard Specification for Low-Alloy Steel deformed and Plain Bars for Concrete
Reinforcement
6. ASTM C31 - Making and Curing Concrete Test Specimens in the Field.
7. ASTM C33 - Concrete Aggregates.
8. ASTM C39 - Concrete Specimens, Compressive Strength of.
9. ASTM C94 - Ready-Mixed Concrete.
10. ASTM C136 - Sieve Analysis of Fine and Coarse Aggregates
11. ASTM C150 - Portland cement.
12. ASTM C309 - Liquid Membrane-Forming Compounds for Curing Concrete.
13. ASTM C403 - Time of Setting of Concrete Mixtures by Penetration Resistance.
14. ASTM C494 - Chemical Admixtures for Concrete.
15. ASTM C702 - Reducing Field Samples of Aggregate to Testing Size.
16. ASTM C881 - Epoxy-Resin-Base Bonding Systems For Concrete
17. ASTM C 1107 - Packaged Dry, Hydraulic-Cement Grout (Non-Shrink).
18. ASTM C1218 - Water-Soluble Chloride in Mortar and Concrete.
19. ASTM C 1602 - Mixing Water used in the Production of Hydraulic Cement Concrete.
20. ASTM D75 - Sampling Aggregates
21. ASTM D 98 - Calcium Chloride.
22. ASTM D448 - Classification for Sizes of Aggregate for Road and Bridge Construction
23. ASTM D698 - Moisture-Density Relations of Soils and Soil-Aggregate Mixtures Using 5.5 lb (2.49 Kg)
Hammerand 12-in (305 mm) Drop.
24. ASTM D1241 – Standard Specification for Materials for Soil-Aggregate Subbase, Base and Surface
Courses
25. ASTM E96 - Water Vapor Transmission of Materials
26. ASTM E154 - Water Vapor Retarders Used in Contact with Earth under Concrete Slabs, on Walls or as
Ground Cover.
27. ASTM E1155 - Determining Floor Flatness and Levelness Using the F-Number System (Inch-Pound
Units).
28. ASTM E1745 - Plastic Water Vapor Retarders Used in Contact with Soil Or Granular Fill Under Concrete
Slabs
E. American Welding Society (AWS):
1. AWS D1.4 - Structural Welding Code Reinforcing Steel.
F. Concrete Reinforcing Steel Institute (CRSI):
1. CRSI Manual of Standard Practice.
2. CRSI Placing Reinforcing Bars.
G. Department of Commerce (National Institute of Standards and Technology) – Product Standard (DOC):
1. DOC PS 1 - Construction and Industrial Plywood.
H. National Ready-Mix Concrete Association:
1. NRMCA Inspection Standards
I. U.S. Army Corps of Engineers (COE):
1. COE CRD-C 401 – Staining Properties of Water.
1.3 SUBMITTALS
A. Submittal Procedures: Unless otherwise specified herein, submit in accordance with procedures specified in
Section 01330.
1. Submit all submittal items required within this section in a single submittal. Do not submit submittals of
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this section together with submittals in section 03310 or any other section. Identify submittals explicitly in
accordance with Procedures paragraphs in Section 01330.
B. Submit to designated parties and within the periods specified in the Concrete Submittal Register included at the
end of this section.
C. Concrete Contractor's Certification:
1. Submit Contractor's Qualification Statement of Conformance included at the end of this section.
2. Provide ACI floor finisher certification documents for at least three finishers who will be installing slab
placements.
D. Concrete Batch Plant Certifications: Name and address of the concrete supplier's batch plant and plant
certifications by National Ready-Mix Concrete Association and/or State Department of Transportation.
E. Sieve Analysis for Aggregate Base: Submit current sieve analysis report, sampled and tested within the last 60
days of submittal date, for aggregate base and choker material.
F. Concrete Mix Design: Fill out and submit attached Concrete Mix Design Submittal Form for interior slabs.
Submit only one form indicating same mix design proportions for all interior slabs concrete.
1. Fill out completely all information indicated on the form.
2. Submit only one mixture design form indicating same mix design for all interior slabs.
G. Concrete Supplier Approval: Submit Statement of Acceptance of Concrete Supplier as described in Quality
Assurance paragraph below.
H. Attachments to Concrete Mix Design: Submit the following as attachments to be included with the Concrete Mix
Design:
1. Cement materials mill test reports for the following:
a. Portland cement
2. Designation, type, quality, and source (natural or manufactured) of coarse and fine aggregate materials.
3. Sieve Analysis Reports: Provide separate sieve analysis of percentages passing for coarse and fine
aggregate. Show values for each sieve size shown on the mix design form. Do not leave any line blank.
Sieve analysis sampling and testing for each aggregate source shall be conducted within 60 days of
concrete submittal date.
4. Aggregate Supplier Statement:
a. Stating if aggregate is possibly alkali-reactive, based on tests or past service
b. Stating if aggregate can possibly cause pop-outs, “D” cracking, or other disruptions due to moisture
gain, freezing, or other mechanisms, based on tests or past service.
5. Product data for the following concrete materials admixtures:
a. Liquid color
b. Water reducing
c. Set retarding
d. Set accelerating
e. Data indicating chloride ion content information for each admixture
6. Concrete compressive strength data as required by ACI 318.
7. Concrete Supplier Approval.
8. Chloride-Ion Content: Measured water-soluble chloride-ion content (percent by weight of cement
materials) in accordance with ASTM C 1218.
I. Slab Reinforcing Bar Shop Drawings:
1. Complete information for installing reinforcing, including placement plans, bar bending diagrams, splice
lengths and locations, bar spacing, concrete cover, support devices and accessories.
2. Conform with ACI SP 66 and ACI 318
3. Perimeter foundation tie reinforcing submittals as specified in Section 03310.
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J. Product Data: Brand name, chemical composition, installation directions and certificates of compliance with
required standards for the following products:
1. Doweling system for construction joints
2. Doweling system for sawed contraction joints (if required)
3. Temporary film forming curing compound
4. Vapor retarder (If required) and tape
K. Slab Joint and Placement Plan:
1. Provide a pour plan identifying the following:
a. Exterior walls and column grid locations.
b. Truck access location.
c. Extent of pours including width, length, slab placement area and volume.
d. Locations of construction joints.
e. Location of sawn contraction joints if different from those shown or if not shown on the drawings.
2. Slab joint and placement plan shall be developed and submitted on a full-sized copy of the Architectural
Floor Plan.
L. Pre-Slab Installation Meeting:
1. Provide record of notification of pre-slab meeting including company name, persons contacted, and date
and method of contact.
2. Provide meeting minutes to all participants and Wal-Mart Construction Manager including sign-in sheet.
M. Delivery Tickets:
1. Copies of delivery tickets for each load of concrete delivered to site.
2. Indicate on each ticket information required by ASTM C94 including additional information required for
slabs.
3. Information on ticket shall include quantities of all material batched including the amount of free water in
the aggregate and the quantity of water that can be added at the site without exceeding the maximum water
cement ratio of the approved mix design. Aggregate moisture corrections shall be based on ASTM
definitions of aggregate moisture content and absorption.
4. Mix identification number on ticket shall match number on submitted and approved mix design.
1.4 TESTING
A. Wal-Mart Construction Testing Laboratory (CTL) will perform concrete testing and inspection specified in Part 3
and elsewhere in this section as specified at no cost to the Contractor in accordance with Section 01458 - Testing
Laboratory Services.
B. CTL is neither authorized to change any specified requirement nor to approve any portion of the work.
C. Failure to detect defective material or Work will neither prevent rejection when defects are discovered later nor
will it obligate Owner to make final acceptance.
D. Responsibilities and Duties of Contractor Relative to Owner Testing:
1. Notify Owner’s agency in advance of concrete placement to allow sufficient time to prepare for required
testing.
2. Assist Owner’s agency in securing field specimens
3. Provide and maintain for sole use of CTL, facilities for safe storage and proper curing of concrete test
cylinders at project site as required by ASTM C31 and acceptable to Wal-Mart Testing Laboratory.
1.5 QUALITY ASSURANCE
A. Truck inspection: Inspect ready-mix concrete trucks proposed for slabs and pavements.
1. Conform to ASTM C94, NCRMA and Department of Transportation standards in state where project is
located.
2. Perform inspections immediately before starting concreting operations.
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3. Record acceptable truck numbers.
4. Record the identification numbers of those trucks found to be acceptable on the basis of inspections.
5. Do not bring on site for concreting operations, any truck whose numbers are not recorded as acceptable.
Notify Wal-Mart Testing Lab if non-conforming trucks are used to deliver concrete for slabs and
pavements.
B. Tolerances:
1. Conform to most stringent requirements of ACI 117 and ACI 301 except as specified herein.
2. Finished Surface Flatness and Levelness:
a. The minimum local area shall be bound on each side by column lines.
b. Sales Floor Interior Floor Slabs: Specified Overall Value (SOV) FF 40 / FL 30 and Minimum Local
Value (MLV) FF 28 / FL 20 tolerance for troweled floors in accordance with ACI 117.
c. Non-Sales Floor Interior Floor Slabs: Specified Overall Value (SOV) FF 35 / FL 25 and Minimum
Local Value (MLV) FF 24 / FL 17 tolerance for troweled floors in accordance with ACI 117.
d. Remedies for Out-of -Tolerance Work:
1) Remove and replace slabs-on-grade measuring below either (or both) of specified minimum
local F-numbers.
2) At option of Owner, Contractor may be allowed to submit alternatives for remediation.
e. Costs for corrective work, remedies for out-of-tolerance work, and extra testing as required by
defective work shall be borne by Contractor.
f. Validate existing elevelations where new slab will abut existing. The Contractor must notify the
EOR in writing within 48 hours of new concrete installations if the existing elevations will prevent
achieving specified surface profile tolerances.
3. Slab on grade dowels:
a. Install dowels within plus or minus (+/-) 1/8” in dowel alignment in vertical and horizontal planes.
b. Install plate dowels horizontally on the bulkhead at the greater depth of either mid-slab or 2-1/4 inch
from slab surface to center line of the plate.
C. Concrete Supplier Approval:
1. The concrete supplier shall be fully approved and acceptable by the concrete subcontractor as the producer
of concrete for which the subcontractor is to place and finish. Prepare Statement of Approval of Concrete
Supplier stating project name, name of concrete supplier, along with the statement of approval and the
signatures of the Contractor and concrete floor subcontractor. Submit statement as specified in Submittals
paragraph above.
D. Floor Finisher Qualifications:
1. The concrete floor finishing subcontractor Lead Finisher and at least two additional members of the
finishing crew shall be certified under the Concrete Flatwork Finisher Training and Certification Program
as granted by the American Concrete Institute and shall be present during finishing of the sales floor
concrete.
2. The concrete floor finisher subcontractor shall have experience in finishing interior floors of similar size
and scope in at least 5 previous projects.
E. Workmanship:
1. Remove and replace or repair concrete related Work which does not conform to specified requirements
including strength, tolerances and finishes as directed by Owner.
2. Bear cost of corrections or delays to other work affected by, or resulting from, corrections to concrete
Work.
3. If results of compressive strength tests reveal deficiencies in concrete, meet requirements of ACI 318 and
ACI 301.
F. Floor Test Slabs:
1. Prior to the Pre-Slab Installation Conference construct permanent test slab as indicated on the Slab Plan of
the Structural Drawings.
2. Accepted test slab will be established as a minimum basis for acceptance of final slabs.
3. Work shall not begin on final areas until an ability to satisfy specified tolerances and other requirements
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routinely in test areas has been demonstrated.
4. Use same materials, tools, and methods for finishing and curing final slab work as used for test slab. If
final slabs proposed to be power floated and power troweled, do same for test slab. Include joints and
semi-rigid joint filler.
5. Replace final slab work that does not meet or exceed accepted test slab.
G. Concrete Plant Certification: Certify primary and secondary plants proposed for furnishing concrete as being
approved at highest level by NRCMA and by Department of Transportation in State where project is located.
H. Pre-Slab Installation Meeting:
1. Plan, host, and attend a pre-slab installation meeting to be conducted at site by SSI via teleconference.
2. Schedule meeting approximately 7 days prior to first concrete slab removal and after all concrete
submittals have been submitted and approved.
3. Obtain pre-slab meeting agenda from Wal-Mart Consultant (Structural Services, Inc. (SSI)
4. Require responsible representatives of each party involved with the concrete slab work to attend the
meeting. Representatives to be present shall include personnel who are directly involved in overseeing the
work and who have authority to control the concreting work.
5. Notify all required attendees in writing of scheduled time and place at least two weeks in advance of
meeting. Include copy of agenda with invitation.
6. The meeting shall convene only when all parties are present.
7. Minutes of the meeting shall be recorded, typed, printed, and distributed to all parties concerned by the
Contractor within 5 days of the meeting. One copy of the minutes shall also be transmitted to the Owner's
representative for information purposes.
8. Attendees shall include, but not be limited to the following:
a. Wal-Mart Construction Manager
b. Wal-Mart Consultant (SSI, wmr@ssiteam.com)
c. Architect of Record
d. Structural Engineer of Record
e. General Contractor
1) Project manager
2) Superintendent (present during all slab placements)
f. Concrete Subcontractor
1) Project manager
2) Finish Foreman (present during all slab placements)
g. Concrete Supplier
1) Quality Assurance Representative (present during all slab placements)
h. Wal-Mart Construction Testing Laboratory (present during all slab placements)
9. Changes to the contract documents from recommendations or discussions at the Pre-Construction meeting
shall be approved in writing by the Wal-mart Construction Manager prior to implementation. SSI is not
authorized to change any specified requirement or to approve execution of any portion of the work.
I. Notification to Testing Lab for Observation of Installed Formwork and Reinforcement: Notify Testing Lab 3
working days prior to placing concrete to allow time for observation of installed formwork and reinforcing.
1.6 PRODUCT DELIVERY, STORAGE AND HANDLING
A. Deliver materials in unopened containers with labels identifying contents. Keep containers closed and upright to
prevent leakage.
B. Mark reinforcing, accessories and embedded items for proper identification and placement location.
C. Store materials, except aggregate, off ground in dry area and in manner to prevent damage. Protect liquid
materials from freezing.
D. Stockpile aggregate in manner to prevent contamination with other materials or with other sizes of aggregates.
Conduct tests for determining conformance to requirements at point of batching. Do not use bottom 6” of
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aggregate piles in contact with ground. Allow sand to drain until it has reached uniform moisture content before it
is used.
E. Store admixtures in manner to prevent contamination. Protect admixtures from extreme temperatures which
would adversely affect their characteristics.
1.7 ENVIRONMENTAL REQUIREMENTS
A. Air Quality:
1. Provide adequate ventilation to work area at all times.
2. Do not operate combustible fuel equipment, with the exception of propane powered equipment found in
this specification, within building perimeter walls.
3. Do not use unvented combustion heaters during concrete placement so as to prevent exposure of concrete
to excessive exhaust gases containing carbon dioxide (CO2) or carbon monoxide (CO). During slab
placement and curing periods, maximum CO2 levels shall be 4,500 parts per million and maximum CO
levels shall be 15 parts per million at concrete surface within 5 feet of any source of exhaust gases to
minimize potential damage to concrete.
1.8 COORDINATION AND SCHEDULING
A. Pursuant to Article 15 –of the General Conditions, the Owner has the right to perform construction work and to
award separate contracts on the Project site.
B. The construction work and separate contracts on the Project site associated with the floor slab construction may
include LP cabling, CCTV cabling, Test and Balance, Telecom, Data cabling, and Alarms.
C. Owner Or Separate Contractor Responsibilities: The following provisions are provided as information with
respect to the responsibilities of the Owner or Separate Contractors doing work on, or related to, the building
floor slab construction. The Owner or separate contractors must:
1. Notify General Contractor’s superintendent 1 week prior to the start of the work at the job site. Make sure
superintendent has names and contact phone numbers.
2. Coordinate work and schedule activities with floor slab construction to avoid interference and to minimize
detrimental effects to floor finish.
3. Not walk through or on areas where floor construction or finishing operations are being preformed.
4. Perform precautionary measures to protect floor finish. Inspect machinery used on floor slab daily, at a
minimum, for embedded items in tires; remove items which may damage or scratch floor. Diaper all lifts
and other equipment used on the floor slab. White tires are required on lifts. Take measures to prevent tools
or other items that may cause impact damage, discoloration, or other surface blemishes. Owner or Separate
Contractors are required to provide protection to slab in whatever measures are needed i.e. providing
plywood, carpet, house wrap etc for impact protection. (Plastic sheets are not approved for protection)
Remove or consolidate protection on a regular basis to prevent discoloring.
5. Damage to concrete floor finish determined by Wal-Mart to be the responsibility of the Owner or Separate
Contractor will be repaired in accordance with approved methods, materials, and personnel at the expense
of the Owner or Separate Contractor.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Subject to compliance with project requirements, provide products as manufactured by the following to the extent
as specified hereinafter for the specific product:
1. American Decorative Concrete (800) 592-9320 www.adcsc.com
2. Ardex Engineered Cements, (412) 264-4240.
3. BASF Admixtures Inc., Cleveland, OH (Formerly Master Builders) (800) 628-9990.
4. BASF Building Systems, Shakopee, MN (Formerly Degussa Building Products) (800) 433-9517.
5. Colloid Environmental Technologies Co. (CETCO), (800) 527-9948
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6. Convergent Concrete Technologies,Orem, UT (866) 375-2280 www.convergentconcrete.com/
7. Curecrete Chemical Company Incorporated, (800) 998-5664.
8. Davis Colors, (800) 800-6856.
9. Dayton Superior Chemical, (866) 329-8724.
10. DRC Inc., Carrollton, KY (502) 732-1001.
11. E-Poxy Industries, Inc., (800) 833-3400.
12. Euclid Chemical Co., (877) 438-3826.
13. EZform, Inc., (866) 913-8363.
14. Fortifiber Building Systems Group, (800) 773-4777.
15. Greenstreak Group, Inc., St. Louis, MO (800) 325-9504.
16. Henry Company (Synko-Flex Products Division); (800) 231-4551.
17. L. M. Schofield Co., (800) 800-9900.
18. L & M Construction Chemicals Inc., (800) 362-3331
19. McTech Group, Steve McDonald (866) 913-8363.
20. PNA Construction Technologies, (800) 542-0214.
21. Prosoco, Lawrence, KS, (866) 363-4567www.prosoco.com
22. Raven Industries, Inc., (800) 635-3456.
23. Seal Source (800) 305-9144. www.sealsource.com
24. Sika Corp., (800) 933-7452.
25. Soff-Cut (951) 272-2330
26. Solomon Colors, (800) 624-0261.
27. SpecChem (866) 791-8700. www.specchemllc.com
28. Stego Industries (877) 464-7834.
29. Unitex, (816) 231-7700 or (800) 821-5846.
30. W.R. Grace and Co., (713) 223-8353.
31. W. R. Meadows,Inc. (847) 214-2100.
32. Vexcon Chemicals, Inc., (888) 839-2661.
B. Substitutions: Not permitted unless otherwise specified.
2.2 AGGREGATE BASE AND CHOKER MATERIALS
A. Aggregate Base Material:
1. Gradations shall be one of the following.
a. Any state DOT approved road base material meeting the following gradation:
Standard Sieve Size Percent Passing
1-1/2” 100
No. 4 15-55
No. 200 3-12
b. Material conforming to the General Requirements and of the Gradation “A”, ”C”, or “D”
requirements (with the modified allowance of 5% to 12% passing the No. 200 sieve) as defined by
ASTM D 1241.
2. Material passing the No. 200 sieve shall be clean granular fill with less than 3% clay and/or friable
particles.
B. Aggregate Choker Material: Clean granular fill with less than 3% clay and/or friable particles. Use one of the
following gradations:
1. ASTM 448 No. 10 with 6% to 12% passing No. 200 sieve.
2. Material meeting the following gradation:
Standard Sieve Size Percent Passing
No. 4 85-100
No. 8 75-95
No. 16 55-75
No. 50 22-45
No. 100 10-30
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No. 200 6-12
2.3 FORMWORK:
A. Forms:
1. Plywood, metal, metal-framed plywood faced, or other acceptable panel-type materials to provide
continuous, straight, smooth, exposed surfaces.
2. Furnish in largest practicable sizes to minimize number of joints and to conform to joint system shown on
the drawings.
3. Provide lumber dressed on at least two edges and one side for tight fit.
4. Bevel top outside edge of form.
5. Partial depth forms shall not be used.
B. Form Release Agents:
1. 100% biodegradable, non-toxic, 100% natural organic chemical release agent that will not cause surface
imperfections, and is non-staining and compatible with field applied paints, toppings, curing compounds
and other coatings. Provide one of the following:
a. Form-EZE Natural by Euclid Chemical, (800) 321-7628.
b. Certi-Vex V Form Release by Vexcon, (888) 839-2661.
c. Farm Fresh by Unitex, (816) 231-7700.
2. Use same brand form release agent for all forms.
C. Prefabricated Access Pit Form: Pit form at Refrigeration Pit shall be Prefabricated Fiberglass Access Pit and
Anchoring Assembly, Model POL, as manufactured by Craigg Manufacturing, Reinholds, PA, (717) 733-1412
2.4 REINFORCEMENT
A. Reinforcing Bars:
1. ASTM A615, deformed, Grade 60.
2. ASTM A706, deformed, Grade 60.
B. Tie Wire:
1. Minimum 16 gage annealed type.
C. Reinforcing Support Devices:
1. Manufactured support devices of metal (wire bar), concrete, or recycled plastic devices conforming to to
CRSI Manual of Standard Practice.
2. Do not use wood, brick and other devices that can expand due to moisture gain.
3. Precast concrete bar supports shall have minimum compressive strength of 3500 psi.
4. Plastic accessories shall have a minimum of 50% recycled content.
5. 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.
6. When precast concrete bar supports are used over aggregate base, or over waterproof membranes and
vapor retarders, properly embed tie wires to prevent penetration of substrate.
7. Properly size foot of bar supports or similar devices to prevent settlement on base material or prevent
puncture on vapor barrier.
8. When supporting multiple layers of reinforcement, provide the proper size and spacing of bar supports or
similar devices to prevent deformation of plastic and to retain rebar within position tolerances.
D. Plate Dowels - Construction Joints:
1. Plate dowels shall consist of smooth steel plate bars, ASTM A36 steel. Plate dowels shall be one of the
following:
a. Diamond Dowel System, by PNA Construction Technologies, size 1/4” x 4.5” dowels.
b. EZdowel (including EZform Board) by EZform, Inc., size 6-1/4” x 3-1/2” x 1/4” dowels.
c. Speed Plate System by Greenstreak, size 1/4” x 4” x 6” dowels.
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E. Dowel Bars:
1. Dowel Bars: ASTM A615, grade 60, and plain steel bars cut true to length with ends square and free of
burrs.
2.5 CONCRETE MATERIALS
A. Cement: ASTM C150, Type I or II. Use only one brand throughout project.
B. Aggregates:
1. ASTM C33 with following requirements:
a. No coal or lignite in concrete that will not be covered by building materials or soil.
b. Fine aggregate grading requirements as defined in section 6.1 of ASTM C 33 shall be strictly met
without deviation unless approved by the Structural Engineer.
2. If manufactured sand is used, blend with 25% natural sand unless otherwise approved by Structural
Engineer.
3. Coarse Aggregate Size:
a. Nominal maximum coarse aggregate size shall be 1 inch.
b. The nominal maximum size of an aggregate is the smallest sieve size through which the major
portion of the aggregate must pass, with a minimal amount retained on the maximum sieve size.
Maximum 4% shall be retained on the nominal maximum size sieve.
4. Adjust proportions of coarse, intermediate, and fine aggregates to provide the following material
proportioning characteristics unless otherwise approved:
a. Coarseness Factor of 60 to 75%.
1) The Coarseness Factor (CF) is the percent of combined aggregate retained on the #8 sieve
that is also retained on the 3/8” sieve.
2) The Coarseness Factor is calculated as follows: CF=Aggregate retained on 3/8” sieve /
Aggregate retained on #8 sieve.
b. Adjusted Workability Factor
1) The Workability Factor (WF) is the percent of combined aggregate that passes the #8 sieve.
2) The Adjusted Workability Factor (Adj-WF) is calculated as follows:
a) Adj-WF =WF+[(Cement Material -564 lbs)/37.6]
3) The range of accepted Adj-WF for a given CF is as follows:
a) Adj-WF = [(11.25 - .15 CF) + 36] +- 2.5.
c. Combined percent retained on any given sieve size shall not exceed 24%.
5. Gradation requirement of ASTM C33 may be waived in order to meet ranges specified.
C. Water: ASTM C 1602 Standard Specification for Mixing Water Used in the Production of Hydraulic Cement
Concrete.
2.6 CHEMICAL ADMIXTURES
A. Provide admixture products as specified below. Within each product listing, provide one of the products
specified. When specifically allowed within each product listing, equivalent admixture products by other
manufacturers meeting the specified ASTM standards may be used upon submittal of product data and approval
by the engineer.
B. Water Reducing Admixture: ASTM C494, Type A.
1. Eucon Series, by Euclid.
2. Pozzolith or PolyHeed Series by BASF Admixtures (Master Builders).
3. WRDA or Daracem Series, or Mira Series, by W.R. Grace.
4. Plastiment, Plastocrete, ViscoCrete, Sikaplast, or Sikament Series, by Sika Corp.
5. Equivalent approved products.
C. Water Reducing Admixture: ASTM C494, Type F.
1. For trowel finished slabs, do not use Type F water reducing admixture, or all range water reducing
admixture at Type F dosage rate.
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D. Water Reducing and Retarding Admixture: ASTM C494, Type B or D.
1. Eucon Retarder 75, by Euclid.
2. Pozzolith Series or Delvo by BASF Admixtures (Master Builders).
3. Daratard 17 by W.R. Grace.
4. Plastiment or Plastocrete Series by Sika Corp.
5. Equivalent approved products.
E. Accelerating Admixture: ASTM C494, Type C or E, chloride-free.
1. Accelguard 80, by Euclid Chemical Corp.
2. Daraset Series, Gilco, Lubricon, Polarset, or DCI, by W.R. Grace & Co.
3. Possolith or Pozzutec Series by Master Builders.
4. Plastocrete 161 FL, Plastocrete 161 HE, Sikaset NC, Sika Rapid 1, or Sikaset HE by Sika Corp.
5. Calcium Chloride (Type L) in solution form.
6. Equivalent approved products.
F. Integral Color Admixture (Liquid Coloring Agent): Provide one of the following colors. Provide liquid color at a
dosage of 17 lbs per yard of concrete.
1. Chromix L: C-26 “Antique Cork”, by L.M. Scofield.
2. Color Flo Liquid Color: 757 “Pecan”, by Solomon Colors.
2.7 RELATED MATERIALS
A. Evaporation Retardent: Water-based polymer, sprayable.
1. Euco-Bar, by Euclid
2. Confilm, by Master Builders.
3. Aquafilm, by Dayton Superior.
B. Screed Chairs: Metal.
C. Vapor Retarder: ASTM E1745, Class A or B, sheet membrane material, not less than 10 mils thick.
1. Moistop Ultra 10, by Fortifiber, (800)-773-4777.
2. Perminator 10 mil, by W.R. Meadows, (847) 214-2100.
3. Griffolyn 10 mil Green, by Reef Industries, (713) 507-4200.
4. Vapor Block 10 mil, by Raven Industries, (800) 635-3456.
5. Tape and Adhesive: Tape and adhesives for sealing laps, punctures, tears and penetrations shall be
pressure-sensitive, waterproof adhesive tape, 2 inches minimum width and compatible with retarder.
D. Foundation Perimeter Insulation: Specified in Section 07210.
E. Epoxy Bonding Agent: ASTM C881
1. Euco #452 or Corr-Bond, by Euclid.
2. EVA-POX Fresh Concrete Bonder 2, by E-Poxy Industries.
3. Concresive Liquid (LPL), by MBT Building and Repair (Degussa).
4. Sikadur 32, Hi-Mod LPL by Sika.
F. Non-shrink Grout: Pre-mixed non-shrinking, high strength grout, ASTM C1107, Type A, B, or C; compressive
strength of 5000 psi in 28 days.
1. NS Grout, by Euclid.
2. Construction Grout, by Master Builders.
3. Sonogrout, by Sonneborn.
4. Certi-Vex Grout #1000, by Vexcon.
5. Enduro 50, by Conspec.
2.8 CONCRETE CURING MATERIALS
A. Temporary Film Forming Curing Compound:
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1. SC Cure 500 by SpecChem.
2.9 CONCRETE MIX
A. General:
1. Use only materials and their proportions included on Concrete Mix Design Submittal Forms included at the
end of this section.
2. For integral color concrete, maintain same source of chemical admixtures, coarse and fine aggregates for
entire colored floor slab. Do not change mix proportions of integral color admixture or Portland cement.
3. Measure and mix ingredients in accordance with most stringent requirements of ASTM C94.
4. Ready Mix supplier may proportion materials by field experience or proportion concrete materials by
laboratory trial batches per ACI 318 for strength compliance.
5. Submit copies of data and test results to Wal-Mart Construction Manager and Structural Engineer for
review to verify mix designs.
B. Strength: Minimum compressive strength (F’c) at the end of 28 days shall be 4,000 psi for all cast-in-place
interior concrete slabs, unless indicated otherwise on the drawings.
C. Workability: Concrete shall be of a consistency to be worked readily into forms and around reinforcement
without segregation, voids, or excessive bleeding.
D. Minimum Cement: Use 560 pounds cement content minimum for all interior slab mixes.
E. Supplementary Cementitious Materials:
1. For troweled interior slabs, do not use fly ash, slag, or other supplementary cementitious materials unless
required and approved to resist ASR or corrosive soils.
2. If pozzolan is approved, the weight of the supplementary cementitious materials divided by the weight of
total cement materials shall not exceed the following:
a. Fly Ash
1) Class C Fly Ash: 25%.
2) Class F Fly Ash: 20%.
b. Slag: 30%.
3. When adding supplementary cementitious materials for hard troweled interior slabs, maintain minimum
Portland cement content defined previously.
F. Water/Cement Materials Ratio:
1. Interior Floor Slabs: 0.53 maximum
G. Air-Entraining Admixture: Do not air-entrain interior floor slabs with troweled finish.
H. Slump at the point of placement shall not exceed 5 inches subject to the requirement that concrete shall be of a
consistency to be worked readily into forms and around reinforcement without segregation, voids, or excessive
bleeding. Maximum slump variance shall be 2 inches.
I. Admixtures:
1. Water-reducing admixture may be added to improve workability for desired minimal water content.
2. Use admixtures in accordance with manufacturer’s recommendation.
J. Calcium Chloride Admixture:
1. Calcium chloride (Type L) conforming to ASTM D 98 may be used in solution form as part of the mixing
water to accelerate concrete setting and early-strength development.
2. Amount of calcium chloride added shall not be more than necessary to produce the desired results and shall
not exceed 1% by weight of cement.
3. The dosage range for the calcium chloride for the entire project shall not vary by more than 0.5%. Range
is defined as the difference between the maximum and minimum dosages of calcium chloride for the entire
project.
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4. Calcium chloride shall not be used in the following applications unless approved by Structural Engineer:
a. concrete containing embedded dissimilar metals or aluminum
b. slabs supported on permanent galvanized steel forms
c. concrete exposed to deicing chemicals
d. prestressed or post-tensioned concrete
e. concrete containing aggregates with potentially deleterious reactivity
f. concrete exposed to soil or water containing sulfates.
5. Use calcium chloride in accordance with manufacturer’s recommendation.
6. Chloride-ion Concentration: Maximum water-soluble chloride-ion concentrations in hardened concrete at
ages from 28 to 42 days contributed from the ingredients including water, aggregates, cement materials,
and admixtures shall not exceed the following limits unless approved by the Structural Engineer:
Type of Member Maximum water-soluble chloride ion (Cl-)
content in concrete (percent by weight of
cement)
Prestressed concrete 0.06
Reinforced concrete exposed to chloride in service 0.15
Reinforced concrete that will be dry or protected
from moisture in service
1.00
Other reinforced concrete construction 0.30
7. When using calcium chloride or other admixtures containing chlorides, measure water-soluble chloride-ion
content (percent by weight of cement materials) per ASTM C 1218. Sample shall be from concrete
representing the submitted mix design and maximum chloride dosage anticipated for the project.
2.10 MIXING
A. Ready-Mixed Concrete: Mix and transport in accordance with ASTM C94 and ACI 301 except as specified.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Conform to manufacturer’s printed instructions for materials and equipment.
3.2 PREPARATION
A. Preplacement Inspection: All trades and participants involved shall verify that preparations are in conformance
with Contract documents. Use approved sign-off forms.
B. Notify Wal-Mart Testing Laboratory a minimum 24 hours prior to commencement of concreting operations.
C. Cleaning Equipment: Remove hardened concrete and foreign materials from mixing and conveying equipment.
D. Ensure that all work is properly coordinated:
1. Structural Drawings and Specifications with those of other disciplines.
2. Use final corrected Shop Drawings, placing Drawings and material / equipment Drawings
E. Verify anchors, seats, plates, reinforcement, and other items to be cast into concrete are accurately placed, held
securely, and will not cause difficulty in placing concrete.
F. Roof construction, RTUs, skylight installation, overhead painting, and roof drainage system shall be complete and
weather tight prior to placement of slabs.
3.3 AGGREGATE BASE PLACEMENT
A. Unless otherwise specified on the Drawings, place aggregate base as specified herein.
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B. Aggregate Base:
1. Install coarse aggregate base as necessary to maintain original design slab thickness.
2. Compact to final thickness shown in layers not exceeding 6 inches with minimum of 2 passes per layer
with vibratory compactor.
C. Aggregate Base Fine Grading:
1. Compact to final thickness noted with 2 passes minimum vibratory compactor to produce smooth, flat,
dense surface.
2. Do not allow excess moisture or soft soil beneath vapor retarder at time of placing concrete.
3. Level off coarse aggregate top surface with aggregate choker material as necessary as follows:
a. To reduce surface friction and to meet specified fine grade tolerances specified below. Typically
required up to 3/4" thick in areas exposed to rain, traffic, or excavation for pits and buried utilities.
b. Where aggregate base material does not have sufficient fine particles to produce a surface that is
free of exposed aggregate or surface voids greater than 3/8” in size at time of slab installation.
4. Wal-Mart Construction Testing Laboratory shall verify adequate fines at surface prior to concrete slab
placement.
5. Provide dry, smooth, flat, dense surface
D. Slab on Ground Aggregate Base Fine Grade Tolerance: +0 inch, -3/4 inch with transition no greater than 3/4 inch
vertically to 8 inches horizontally for level slab.
3.4 FORMWORK
A. Form vertical surfaces of concrete work.
B. Design, construct, erect, support, and remove formwork and related items in accordance with most stringent
requirements of ACI 117 and 347.
C. Form Preparation
1. Clean formwork.
2. Remove rust from steel formwork.
D. Erecting Forms:
1. Solidly butt joints and provide backup at joints as required to prevent faulting at form.
2. Do not tape formwork joints.
3. Just before placing concrete, clean forms and adjacent surfaces again as necessary. Remove wood,
sawdust, chips dirt and other debris.
4. If necessary to grease tie threads, do not allow grease to contact remainder of tie when wall will be exposed
to hydrostatic pressure.
E. Form Release Agent
1. Before placing reinforcing steel, thoroughly coat contact surfaces of forms with form release agent.
2. Apply form release agent evenly without excess drip.
3. Do not allow form release agent to come into contact with concrete surfaces against which fresh concrete
will be placed.
4. Moisten wood forms immediately before placing concrete where form release agents are not used.
F. Provide slab side forms, of form materials specified, full depth, with beveled, level, and smooth top surface for all
slabs where SOV is greater than FF 35 / FL 25.
G. Provide slab side forms such that by placing a 10-foot straightedge, form does not exceed 1/8 inch variation.
H. Prefabricated Access Pit Form: Install in accordance with manufacturer’s instructions.
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3.5 VAPOR RETARDER INSTALLATION
A. Install vapor retarder only under slabs where shown on drawings.
B. Lap vapor retarder not less than 6 inches with top lap placed in direction of placing concrete.
C. Seal laps continuously with specified tape.
D. Seal punctures and tears in membrane caused by bar chair feet, screed anchors, or utility penetrations with
specified tape.
3.6 PLACING REINFORCEMENT
A. Place reinforcing in accordance with most stringent requirements of ACI 117, 301 and 318 and CRSI Manual of
Standard Practice and Placing Reinforcing Bars.
B. Accurately place and secure reinforcement against displacement by firmly wiring at intersections and splices with
not less than No. 18 U.S. Standard Gauge annealed wire.
C. Turn wire ends away from concrete exterior.
D. Ensure reinforcing is clean, free from defects and kinks, loose mill or rust scale or coatings that will reduce bond.
E. Protect exposed reinforcing bars, inserts and plates intended for bonding with future expansion from corrosion.
F. When welding of reinforcement is specified, comply with AWS D1.4. Do not tack weld crossing bars for
assembly of reinforcement, supports or embedded items.
G. Dowel Installation:
1. Install joint reinforcing as detailed on drawings.
2. Secure dowels and their sleeves (if applicable) perpendicular to joint and parallel to finished concrete
surface.
3. Use prefabricated dowel supports at ends of dowels to maintain alignment.
4. Dowel alignment shall be within specified tolerances.
5. Install plate dowels at construction joints in accordance with manufacturer’s recommendations.
6. See structural drawings for dowel installation where replacement slabs abuts existing.
3.7 EMBEDMENTS
A. Install anchor bolts and embedded bearing devices provided by others.
B. Provide other anchor bolts and bearing devices shown on Drawings or anchor bolt setting plans or required
equipment installation.
C. Use templates as required for spacing between anchor bolts and set elevations with surveying equipment.
D. Position and anchor steel shapes, anchor bolts, casings, conduit sleeves, masonry anchorages and other materials
embedded in concrete.
E. Place and secure against displacement miscellaneous steel, pipe sleeves, inserts, anchors, stair abrasive nosings,
preformed joint fillers, vapor retarders and miscellaneous embedded items.
F. Secure embedments to formwork when possible.
G. Install clean embedments. After concrete placement, clean embedment exposed surfaces of concrete splatter and
other foreign substances.
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H. Unless noted otherwise on the Drawings, ensure corner protection angles, bars and other similar embedded metal
items are continuous between concrete joints. If shorter lengths are required for metal items, connect the ends by
butt-welding entire joint and grinding smooth exposed surface. Ensure embedded metal items are discontinued at
construction, contraction and isolation joints.
I. Temporarily fill voids in sleeves and inserts with easily removable materials.
J. Allow sufficient time between erection of forms and placing concrete for other trades to install and test their
work.
K. Before placing concrete on grade, piping and other utilities under concrete shall be inspected, tested, and
excavations backfilled and properly compacted to solid bearing.
3.8 JOINTS
A. Joints
1. Provide construction, isolation and contraction joints as indicated on Drawings and as noted below.
2. Bulkheads for construction joints shall be 1-1/2 inch minimum lumber with top outside edge beveled 30
degrees minimum, leaving 1/2" to 3/4" level surface. Do not use permanent preformed metal bulkheads.
3. Provide bulkheads full depth of member.
4. Space joints to allow one continuous placement between bulkheads.
5. Maximum length-to-width ratio for concrete panels defined by walls or joints shall be 1-1/2:1.
6. Do not locate longitudinal construction joints in action alleys.
7. Unless otherwise shown on the Drawings, do not extend reinforcement, corner protection angles, bars or
other fixed metal items through construction joints in slabs on grade or pavements or through joints
between slabs on grade and vertical surfaces.
8. Match joints in walls and curbs with joints in slabs on grade and pavements.
9. Extend joints across tops of walls and curbs unless noted otherwise on Drawings.
10. Isolation Joints: Form isolation joints in accordance with Section 07900.
3.9 CONVEYING
A. Handle concrete from mixer to place of final deposit as rapidly as practicable and in manner which will assure
obtaining specified quality of concrete.
B. Re-tempering: Discard concrete which has already begun to set. Do not re-temper with water.
C. Equipment: Provide mixing and conveying equipment of proper size and design to ensure a continuous flow of
concrete to delivery end. Do not use aluminum equipment in contact with concrete.
1. Mixers, agitators and non-agitating units: Conform to ASTM C94 and current certification requirements of
Department of Transportation in state where concrete plant is located.
2. Belt Conveyers:
a. Use only types which will not cause segregation.
b. Discharge runs over 30 feet into hopper
3. Chutes: Metal or metal lined not to be installed at slopes greater than 1 vertical to 3 horizontal.
4. Runways:
a. Provide runways or other means above finished concrete level for wheeled conveying equipment.
b. Do not support runways on reinforcing.
c. Do not wheel equipment directly over reinforcing or metal deck.
5. Pumps:
a. Placing concrete via pump is not acceptable.
3.10 PLACING CONCRETE
A. Unless otherwise specified, place concrete in accordance with the requirements of ACI 301.
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B. The concrete supplier shall have a quality control representative at site for concrete placements.
C. General Contractor and/or the Concrete Floor Subcontractor representative shall be on site during placement of
the concrete.
D. The concrete supplier shall have a quality assurance representative at the site for the entire duration of each
concrete slab placement as a resource to the Contractor.
E. Supervision for the General Contractor and the Concrete Floor Subcontractor shall be on site for the entire
duration of each concrete slab placement.
F. Depositing
1. Do not deposit concrete which has partially hardened or has been contaminated by foreign matter.
2. Deposit concrete continuously in layers of such thickness that no concrete will be deposited on concrete
which has hardened sufficiently to cause seams or planes of weakness.
3. Between construction joints, place concrete in a continuous operation such that concrete is plastic at all
times and flows readily into spaces between reinforcement.
4. Use placement procedures to avoid segregation.
5. Deposit concrete as near as possible to its final position.
6. Hardened/Densified Floor Slabs: Place concrete in one continuous placement up to a maximum of 3,000
square feet. Placement over 3,000 sq ft may be performed provided written approval by Wal-Mart is
obtained contingent upon the Contractor’s demonstration of ability, equipment, and personnel to handle the
increased areas.
7. Integral color concrete floor slabs:
a. Clean tools to prevent contamination. Clean and bag boots when working on surface.
b. Employ methods to prevent dust and air-born debris from entering building and settling on slab
surface during finishing operations.
8. Do not place concrete over standing water, mud, frost, ice or snow.
9. Do not use wet screeds.
G. Consolidation:
1. Consolidate concrete complying with ACI 301 by vibrating, spading or rodding so that concrete is
thoroughly worked around reinforcing, embedded items and into the corner of forms.
2. Consolidate each layer of concrete with previously placed layers in manner that will eliminate air or stone
pockets which may cause honeycombing, pitting or places of weakness.
3. Do not insert vibrator into portions of concrete that have begun to set.
4. Do not use vibrators to transport concrete.
5. Keep spare vibrator on job site during concrete operations.
6. Use internal vibrator for formed elements, not form vibrators.
7. Slabs:
a. Consolidate slabs with vibrating screed.
b. Use internal vibration along construction joints at both formed and slab abutments. Vibrate under
plate dowels. Mark forms before concreting to properly locate dowels after concreting.
c. Do not use grate tampers, jitterbugs, or mesh rollers.
H. After concrete placement, adjust forms and bracing as necessary to maintain proper alignment and eliminate
leakage of cement paste.
3.11 FLOOR SLAB FINISHING PROCEDURES
A. General:
1. Do not add water to any slab surface during finishing operations.
2. Do not add cement to any slab surface during finishing operations.
3. Perform no finishing operation while water is present on slab surface.
B. Initial Leveling:
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1. Complete bull floating, darbying and straight-edging before any bleed water is present on slab surface.
2. Use a checkrod or highway straightedge 10 feet wide minimum for initial and later leveling instead of bull
float where overall floor tolerances specified are greater than FF 20 / FL15.
C. Hand and Power Floating:
1. Do not start floating until following conditions are met:
a. Bleeding is complete and water is gone, including water sheen on slab surface.
b. Concrete will sustain the weight of finishers without creating more than 1/8 to 1/4 inch indentations.
c. Mortar is not thrown by rotating blades of power float.
2. The finisher shall determine the proper time to start finishing procedures for interior slab placements on the
basis the above conditions. It is noted for advisory purposes, however, that typical setting characteristics
of concrete materials will allow for initial power floating to begin 3-1/2 hour’s ± 1 hour after initial strike-
off (screeding), at which time the concrete should support a finisher on foot without more than
approximately a 1/4 inch indentation in the slab surface. Variations in concrete materials, nature and
proportion of supplementary cementing materials, and concrete temperature will cause setting behavior to
vary.
3. Do not use following tools for floating:
a. Power troweling machines with trowel blades.
b. Fresno or other type of wide metal trowel.
c. Power floating machine with water attachment for wetting concrete.
4. Float three times minimum with each floating at right angles to previous floating, and final pass at 45
degrees to previous pass.
D. Troweling for Interior Slabs:
1. Hand or power float floor before starting troweling.
2. For first troweling, keep blade as flat as possible and use low speed, minimizing “washboard” or “chatter
marks” and “pitting”.
3. Trowel two times minimum with first two trowelings at right angles. Some burn marks are acceptable.
Cease troweling before trowel blades scratch surface.
4. Allow time between trowelings for concrete to stiffen and water sheen to disappear.
5. Do not add water to slab surface during troweling.
6. Do not run trowel machines on existing hardened concrete slabs. Trowels shall be carried off of slab
surfaces. When parking power trowels on fresh concrete, place on top of plywood or spray area with
evaporation retarder before placing trowel on top of slab.
E. Additional Integral Colored Floor Troweling Requirements:
1. Final troweling shall be performed with finish blades.
2. Steel reinforced plastic finish blades shall be used, but shall only be used for the final pass.
3. Trowel as many times as possible to enhance surface sheen, without scratching the slab surface.
4. Lead finisher/foreman who finished the field sample shall be present for entire fresh concrete finishing
process until final troweling is completed.
F. Pitch to drains: Form 18 inch radius around floor drains and pitch concrete surface to drains at rate of 1/4 inch
per foot nominal, unless noted otherwise in Drawings.
3.12 CONCRETE FINISHES
A. Formed Surfaces:
1. As-Cast Finish:
a. Apply on concrete surfaces not exposed to public view and where noted on Drawings.
b. Clip or rub off fins exceeding 1/2 inch in height. Leave surfaces with texture imparted by forms.
2. Smooth-Form Finish:
a. Apply on concrete surfaces exposed to public view and where noted on Drawings.
b. Remove fins exceeding 1/8 inch in height.
B. Unformed Finishes:
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1. Scratched Finish: After floating, as specified, lightly scratch surface with stiff brush.
C. Troweled Finish:
1. After floating as specified, power trowel or hand trowel surface.
2. Ensure kneeboard impressions, trowel marks or chattered areas are not evident after floor is finished.
3. Provide dense, smooth surface uniform in texture. Random, mottled burn marks are desirable and
acceptable.
4. Finish surface to produce maximum sheen free of scratches and trowel marks.
D. Broom Finish:
1. Draw flexible bristle broom across surface to produce non-slip texture.
2. Broom in direction transverse to traffic or at right angles to slope of surface unless otherwise shown.
E. Floor Finish Schedule:
1. Scratched Finish:
a. Use for surfaces to receive mortar setting beds for tile and other bonded applied cementitious finish
flooring materials, except bonded concrete floor toppings.
2. Troweled Finish:
a. Use for exposed interior walking surfaces and surfaces to be covered with carpet, resilient flooring
and other thin film finish coating systems.
F. Use the following bonding procedure for bonding new concrete to existing concrete and as noted on Drawings:
1. Roughen surface until coarse aggregate is exposed.
2. Clean surface.
3. Immediately before placing concrete, clean surface again as necessary, dampen surface and remove free
water.
4. Apply a commercial epoxy bonding agent or apply bonding grout approved by the engineer composed of
one part cement, 1.5 parts fine sand with 100% passing No. 8 sieve, and a 50:50 bonding admixture with
water to achieve the consistency of thick paint. The W/cm for the bonding admixture shall not exceed that
of the new concrete being placed on it.
3.13 FLOOR SLAB CONTRACTION JOINTS
A. General:
1. Provide slab joints as indicated on Drawings.
2. For integral colored concrete, after saw cutting with attached vacuum system, immediately clean slab
surface of all sawing residues.
3. See Drawings for additional requirements.
4. Employ sufficient number of saws and workers to complete cutting saw joints before shrinkage produces
cracking.
5. Saw cut to width of 1/8 inch by 1/4 the slab depth, unless noted otherwise on drawings.
B. Sawed Contraction Joints:
1. Use saws, blades, skid plates, and accessories by Soff-Cut International, Inc. or approved equal.
2. Start cutting sawed joints as soon as concrete has hardened sufficiently to prevent raveling or dislodging of
aggregates. This will typically be from 1 hour in hot weather to 4 hours in cold weather after completing
finishing of slab in that joint location.
3. Extend sawed joint to the slab boundaries and abutments, including columns, drains, and other penetrations
in the path of a defined joint. Implement methods and timing of the saw cut beyond the limits of the Soff-
Cut saw reach to provide a consistent depth of cut with minimal raveling of joint edges.
C. Saw-Cut Control Joint Dust Collection
1. Connect a dust collection system directly to each Soff-Cut saw being used.
2. Dust Collection System:
a. ProVac Dust Collection System by Glad Tech Inc.
b. SoffVac by Soff-Cut International, Inc.
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3.14 CONCRETE CURING
A. Curing Compound (Temporary Film Forming):
1. Apply curing compound after saw joints have been cut and as soon as concrete surface will not be
damaged by curing operations.
2. Clean slab surface and joints, and remove loose or compacted saw debris prior to curing compound
application.
3. Apply compound at a rate of 800 to 1000 square feet per gallon with high volume, low pressure, atomizing
sprayer in accordance with manufacturer recommendations. Prevent over-application in excess of
specified rate.
4. Spread compound evenly using mopping pads.
a. Mopping pads shall be Quickie Professional Mighty Mop 077 or Rubbermaid 24” Microfiber Wet
Room Pad.
5. If whitening from over application occurs, consult manufacturer for removal of product with hot water and
aggressive scrubbing.
6. Do not allow compound to accumulate and puddle.
7. Do not use polyethylene sheets or other impervious covers on exposed interior floors.
3.15 FORM REMOVAL
A. Do not remove forms until concrete has hardened sufficiently to support its own weight and imposed construction
loads.
B. Remove forms in manner to avoid damage to concrete.
C. Formwork for slabs and pavements, curbs and other parts not supporting vertical load of concrete may be
removed as soon as concrete has hardened sufficiently to resist damage from removal operations, but in no case
sooner than 12 hours.
3.16 JOINT SEALING / FILLING
A. Joint filling and sealing of concrete floors is specified in Section 07900.
3.17 QUALITY ASSURANCE TESTING AND INSPECTION (BY OWNER)
A. Qualifications: Unless otherwise specified, work shall be performed by a Special Inspector – Technical II or
Special Inspector – Structural I. In addition to the Inspector and CTL qualifications specified in Section 01458,
the following qualifications shall apply for all Cast-in-Place Concrete inspection.
1. Technical I: ACI Certified Grade I inspector.
2. Technical II: ACI Certified Grade II inspector.
3. CTL testing laboratory: C.C.R.L. certification at the National Bureau of Standards.
4. Lead technician shall have at least five years experience in projects of this size and complexity.
5. Other technicians shall have at least two years experience.
B. General
1. Wal-Mart Testing Laboratory will perform concrete testing specified herein at no cost to the Contractor.
2. Perform Tests and Inspections as indicated in Table A – Testing and Inspection Schedule at the end of this
section. The Testing Agency shall keep records of the testing and inspections.
3. Work on which tests have failed shall be corrected as directed by Wal-Mart Construction Manager.
4. Submit copies of data and test results to Wal-Mart Construction Manager and Structural Engineer for
review to verify mix designs.
5. Perform testing in accordance with testing standards listed at the beginning of this section.
6. Making and curing concrete test specimens shall be on conformance with ASTM C31.
C. Laboratory Testing Requirements:
1. Test items such as reinforcing steel, aggregates, and other products suspected of not meeting specified
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requirement as directed by Wal-Mart Construction Manager to verify compliance. Provide test report to
Wal-Mart Construction Manager.
2. Conduct Concrete strength tests:
a. During the initial 24 hours (plus or minus 8 hours) after molding, the temperature immediately
adjacent to the specimens shall be maintained in the range of 60 to 80 degrees F. Control loss of
moisture from the specimens by shielding from the direct rays of the sun and from radiant heating
devices.
b. Specimens transported prior to 48 hours after molding shall not be demolded, but shall continue
initial curing at 60 to 80 degrees F until time for transporting.
c. Specimens transported after 48 hours age shall be demolded in 24 hours (plus or minus 8 hours).
Curing shall then be continued but in saturated limewater at 73 degrees (plus or minus 3 degrees F)
until the time of transporting.
d. During transportation, protect the specimens with suitable cushioning material to prevent damage
from jarring. During cold weather, protect specimens from freezing with suitable insulation material.
Transportation time shall not exceed four hours.
e. Date test cylinders and number consecutively. Give each cylinder of each set an identifying letter
(i.e. A, B, C, D). Prepare a sketch of the building plan for each test set identifying location of
placed concrete.
f. Test one cylinder (A) at 7 days for information. If the compressive strength of the concrete sample
is equal to or above the 28 day specified strength, test another cylinder (B) at 7 days. The average
of the breaks shall constitute the compressive strength of the concrete sample.
g. Test two cylinders (C and D) at 28 days and the average of the breaks shall constitute the
compressive strength of the concrete sample.
3. In addition to required information noted previously in this Section, record the following information on
concrete compression reports:
a. Test cylinder number and letter.
b. Specific foundations or structures covered by this test.
c. Proportions of concrete mix or mix identification.
d. Measure uncapped concrete cylinder weight.
e. Specified compressive strength.
f. Tested compressive strength.
g. Concrete plastic unit weight.
h. Name of technician securing samples.
i. Curing conditions for concrete strength test specimens (field and laboratory).
j. Date strength specimens transported to laboratory.
k. Age of strength specimens when tested.
l. Type of fracture during test.
m. Curing condition for concrete strength test specimens (field and laboratory)
D. Field Testing
1. If any test required in Table A fails, repeat failed test for each following truck until compliance is met.
2. Test concrete temperature hourly when air temperature is 40 F and below or 80 F and above.
3. CTL shall notify Contractor to reject concrete if air content is over 3%.
4. When pumping concrete, take samples for tests at point of delivery from pumping line in addition to first
slump test noted above for concrete with water-reducer.
5. Stockpile Sieve Analysis: Immediately before first concrete production and later as directed by Wal-Mart
Construction Manager, obtain samples at concrete plant of aggregate size groups used in pertinent mix to
verify mix design submittals. Samples shall be obtained from bins as close as possible in time and space to
their introduction into mixer. Concrete supplier and aggregate producer shall have representatives available
to assist testing agency in obtaining representative samples. Perform sieve analysis on each aggregate size
group, using sieve sizes specified herein. Provide following test data: percent passing each sieve,
cumulative percent retained on each sieve, percent retained on each sieve, fineness modulus, and combined
sieve analysis of material retained on each sieve for aggregates. Conform to ASTM C 136, C 702 and D
75. Record and report results to Structural Engineer, SSI, and the Wal-Mart Construction Manager.
6. When directed by Wal-Mart Construction Manger when irregularities are suspected in the batching of the
mix, take concrete sample at point of final placement to verify mix design submittals. Washout sample to
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remove material finer than no. 200 sieve and perform combined sieve analysis, using sieve sizes specified
herein, furnishing percent retained on each sieve. Concrete sample shall be large enough to be
representative but is not less than 70 pounds. Conform to ASTM C136. Record and report results to
Structural Engineer, SSI, and the Construction Manager.
7. Test floor slab finished surface areas shown on drawings for flatness and levelness in accordance with
ASTM E1155, except as specified herein. Testing shall be performed at random on the first placement of
the exposed sales floor slab and randomly on other placements as directed by the Wal-Mart Construction
Manager or as directed by Owner.
8. F-Number requirements shall be as follows for all interior floor slabs.
a. Slabs on Grade: FF /FL minimum overall for composite of measured values (SOV) for entire day’s
concrete placement; FF /FL minimum for any individual floor section (MLV) as specified in Quality
Assurance paragraph in Part 1 above.
b. Bound individual floor sections for testing purposes by the following that provide the smallest
sections: construction joints, contraction joints or column and half-column lines.
c. Additional requirements:
1) Conform to F-numbers specified for floor area continuous to construction and isolation
joints, in lieu of ASTM E1155 requirements that exclude these areas within 2 feet of the
same.
2) Limit to 1/4 inch maximum elevation change that may occur within 2 feet of vertical
elements (such as columns or walls) that pass through slab surface.
3) Ensure top of entire floor falls within tolerances specified in Quality Assurance paragraph in
Part 1 above for finished floor elevation.
d. General Contractor shall pay for costs for corrective work and extra testing required by defective
work.
e. Complete testing, identify defective areas, and give verbal report to Wal-Mart and other parties
concerned within 24 hours after placement.
f. Submit written report by electronic means or hand deliver to parties concerned within 36 hours or
next regularly scheduled working day (Mon-Sat), after placement. Include costs for retesting
replaced or repaired defective areas.
9. In addition to required information noted previously in this Section, record the following concrete
materials information on “Wal-Mart Interior Slabs on Ground Observation Report”:
a. Date and time concrete was placed.
b. Time of batching at plant.
c. Ambient temperature, relative humidity, and base temperature during concrete placement in
accordance with ACI 305.1.
d. Time of placing and finishing tasks at location where sampled concrete is placed.
1) Batching at plant
2) Discharge from delivery.
3) Start of initial floating.
4) Start of initial troweling.
5) Completion of finishing.
6) Start of joint sawing.
7) Start of application of curing compound.
10. Note trends of decreasing quality in concrete due to changing seasons, conditions of curing, or other causes
and bring to attention of the Wal-Mart Construction Manager. Report and log comments on Non-
Conformance Correction Log.
11. Verify each delivery ticket of concrete. Report type of concrete delivered, amount of water added and time
at which cement and aggregate were loaded into truck, and time at which concrete was discharged from
truck.
12. Verify that the proper amount of hardener/densifier has been applied to the concrete floor slab surface.
E. Inspection:
1. Concrete Form Work: Verify formwork dimensions will result in member size and configuration shown.
Structural adequacy of formwork is the sole responsibility of the Contractor.
2. Concrete Reinforcement:
a. Verify reinforcing bar grade.
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b. Verify reinforcing bars are free of dirt, excessive rust, and damage.
c. Verify reinforcing bars are adequately tied, chaired, and supported to prevent displacement during
concrete placement.
d. Verify proper clear distances between bars and to surfaces of concrete.
e. Verify reinforcing bar size and placement.
f. Verify bar laps for proper length and stagger.
3. Slab-on-Grade Structural Inspection: Inspect slabs-on-grade for compliance with Drawings and
Specifications. Report on the following:
a. Preparation of subgrade.
b. Slab thickness.
c. Size, spacing, placement (cover), and lap of reinforcement.
d. Size, spacing, and placement of joint dowels.
e. Placement and finishing of concrete.
f. Time of saw cuts after placement of concrete.
4. Concrete Mix:
a. Verify mixer truck trip ticket conforms to approved mix design.
b. Verify that total water added to mix on site does not exceed that allowed by concrete mix design
based on the concrete company having calibrated or verified the accuracy of the water meters on
each truck and the available water indicated on the ticket by the concrete supplier.
c. Verify that concrete quality is indicative of adequate mixing time, consistency, and relevant time
limits.
d. Work shall be performed by a Special Inspector – Technical I. Report of results shall be made daily.
5. Preparation and Placement: Inspect preparation and placement of concrete.
a. Verify acceptable general condition of concrete base prior to placement.
b. Verify that concrete conveyance and depositing avoids segregation and contamination.
c. Verify that concrete is properly consolidated.
d. Verify reinforcement remains at proper location.
e. Inspections shall be continuous.
6. Protection and Curing: Observe protection and curing methods for all concrete.
a. Verify specified curing procedures are followed.
b. Verify that specified hot and cold weather procedures are followed.
7. Embedded Items:
a. Verify specified size, type, spacing, configuration, embedment length, and quantity of anchor bolts
and embedded items.
b. Verify proper concrete placement and means have been taken to achieve consolidation around bolts
and embedded items.
8. Slab Joint Filler: Inspect floor slab joint filler installation at beginning of installation and periodically
thereafter for proper installation including cleaning, joint prep, and depth of fill. Randomly check depth of
filled joints at intervals of approximately every 1000 linear ft of joint. Document and report discrepancies
to Wal-Mart Construction Manager and General Contractor.
3.18 CONCRETE PROTECTION
A. Provide a “Concrete Floor Protection Plan” to Wal-Mart Construction Manager prior to placement of interior
slabs that addresses how the following tasks will be implemented:
1. Communication of protection plan to subcontractors and vendors, including those directly contracted by
the Owner.
2. Keeping the slab clean of dirt and grime.
3. Prevention of stored materials in exposed sales floor areas until completion of construction.
4. When and how floor covering protection will be provided in high traffic areas.
5. Condition, inspection, and operational procedures for construction equipment allowed on the slab surface,
including but not limited to:
a. Diapering to contain any potential fluid leaks.
b. Use of non-marking tires
c. Inspection of tire treads for any debris that may mar the slab surface.
6. Procedures for cleaning up slab spills, including use of and availability of cleaning chemicals and
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absorptive materials at the site.
B. Slab Protection:
1. Protect finished floors to prevent damage by construction traffic and activities until Owner possession.
2. Protect concrete slabs from staining, gouges and scratching.
3. Diaper hydraulic powered equipment.
4. Place drop cloths or other breathable slab protection under parked vehicles.
5. Do not store structural steel or metal fabrications on slab.
6. Do not allow pipe cutting machine on slab.
7. Adequately protect concrete inserts and other embedded items from movement, mechanical injury, or from
damage by elements.
8. Provide access ramps of compacted earth or other means along exposed concrete edges of floor slabs to
prevent equipment and machinery from impacting edges. Barricade all other exposed edges to vehicular
traffic which may damage edges.
C. Traffic protect curing compound floor surfaces as follows:
1. Barricade concrete surfaces immediately after placing and finishing.
2. 3 full days (72 hours) after placement: Slab shall be open for normal store operations.
3. 7 full days (168 hours) after placement: Heavy loading permitted but not before concrete has obtained, by
test, its design strength as noted herein. Approved 7 day compressive strength test report from
Construction Testing Laboratory must be received by Wal-Mart Construction Manager prior to allowing
heavy loading on slab.
D. Provide daily scrubbing, using only water, of the entire surface of exposed concrete slab placed under this
Specification with fuel powered riding equipment from time concrete has reached, by test, its design strength prior
to initial application of surface densifier as specified.
END OF SECTION
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WAL-MART STORES
CONCRETE SLAB MIX DESIGN SUBMITTAL FORM
(Section 03314 – Cast-in-Place Concrete Slabs) Date
DISCOUNT STORE SUPERCENTER NEIGHBORHOOD MARKET SAM’S CLUB
SUBMITTED MIX DESIGN
STORE INFORMATION
Interior Building Slabs STORE #
03314-SLC Integrally Colored Concrete ADDRESS
Mix ID # CITY, ST
03314-SLN Natural Concrete (gray) GENERAL CONTRACTOR
Mix ID # COMPANY
JOBSITE PHONE
A. CONCRETE INFORMATION
Design Strength (f’c) psi
Water / Cement Ratio
Total Air Content %
Mix Developed From
Trial Mix Test Data (attach test data)
Field Experience (attach data)
Density
W
et
pc
f Dry
pc
f
Slump
“ ( ± 1” ) WITHOUT WR Admixture
“ ( ± 1” ) WITH WR Admixture
B. ADMIXTURE INFORMATION
ASTM Designation Product Dosage (ounces)
(Manufacturer/Brand) oz / cy oz / cwt
Water Reducing
Accelerating
Retarding
Liquid Color
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C. MIX DESIGN
Mix Proportions (per cubic yard)
Identification
(Type, size, source, etc.)
Weight
(pounds)
Density
(SSD)
Volume
(cubic
feet)
%
Aggregate
Absorption
Cement
Coarse Aggregate #1
#2
#3
Fine Aggregate #1
#2
Water
Air Content
Liquid Color
TOTALS
Coarse & Fine Aggregate Gradation Information
Sieve
Size
% Passing Each Sieve
(All Sieve Sizes must be entered)
Combined
% Passing
Combined % Retained
Coarse
Agg. # 1
Coarse
Agg. # 2
Coarse
Agg. # 3
Fine
Agg. # 1
Fine
Agg. # 2 Cumulative Individual
1-1/2"
1"
3/4"
1/2"
3/8"
# 4
# 8
# 16
# 30
# 50
# 100
# 200
% of Vol
Aggregate Ratios
Coarseness Factor = Combined % cumulative retained 3/8” sieve = Combined % cumulative retained #8 sieve
Workability Factor = Combined % passing #8 sieve =
Adj-Workability Factor = WF + [(Cement Material - 564) ÷ 37.6] =
Allowable Adj-WF= Adj-WF = [(11.25 - .15 CF) + 36] ± 2.5 =Low High
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D. ATTACHMENTS: Include the following with this Mix Design Report.
Mill test reports for Portland cement, and supplementary cementitious materials
Designation, type, quality, and source (natural or manufactured) of coarse and fine aggregate materials
Separate aggregate gradation reports including all required sieve sizes
Gradation sieve report tests dated within 60 days of this report
Report for each coarse and fine aggregate material in mix
Statement if possible reactivity of aggregate, based on tests or past service
Statement if possible aggregate pop-outs or their disruptions, based on tests or past service
Product data for the following admixtures:
Liquid color
Water reducing, set retarding, set accelerating, etc.
Concrete compressive strength data used for standard deviation calculations
Measured water-soluble chloride ion content. (percent by weight of cement)
E. CONCRETE SUPPLIER INFORMATION
Company Name Tel. # ( )
Address
City, ST Zip
Technical Contact Cell # ( )
e-mail
Sales Contact Cell # ( )
PRIMARY PLANT SECONDARY PLANT
Plant Location:
Miles from Site:
Travel Time to Site:
NRMCA Certified: YES NO YES NO
State DOT Certified: YES NO YES NO
Batch Mixing Type: DRY CENTRAL MIX DRY CENTRAL MIX
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CONTRACTOR'S QUALIFICATION STATEMENT OF CONFORMANCE
SECTION 03314
CAST-IN-PLACE CONCRETE SLAB
Project Location:_______________________________________________Date:
Project Number:____________________________Store Number:
By signing below as approved, the Contractor hereby confirms that the qualifications of the concrete finishing
subcontractor conforms to the qualifications as follows:
The concrete floor finishing subcontractor Lead Finisher and two additional members of the finishing crew are certified
under the Concrete Flatwork Finisher Training and Certification Program as granted by the American Concrete Institute.
(Attach Certificates)
The concrete floor finisher subcontractor has experience in finishing interior floors of similar size and scope in at least 5
previous projects. Projects name and location are identified as follows
1. ___________________________________________________________________
2. ___________________________________________________________________
3. ___________________________________________________________________
4. ___________________________________________________________________
5. ___________________________________________________________________
Submit one copy to the Wal-Mart Construction Manager.
Concrete Finishing Contractor Company Name and Address:
__________________________________________
__________________________________________
__________________________________________
Signature of Responsible Officer: _________________________
Typed Name and Title of Officer: _________________________
Telephone Number: ( ______ ) ___________________________
General Contractor Company Name and Address:
_______________________________________
_______________________________________
Signed by: ______________________________________ Date:_________________
Submit one copy of this Statement to the Architect
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CONCRETE SUBMITTAL REGISTER
SUBMITTAL SUBMIT TO SUBMITTAL DUE
Concrete Contractor Qualifications Letters
Qualification Statement
3 ACI Finisher Certifications
Architect
30 days prior to first pour
Concrete Batch Plant Quality Certification
NRMCA Certification
DOT Certification
Architect 30 days prior to first pour
Sieve Analysis for Aggregate Base System
Aggregate Base Material
Choker Material
Architect (by email)
Wal-Mart Construction
Testing Laboratory (CTL)
(by email)
30 days after award of
Contract.
Concrete Mix Design
One mix for all interior slabs
Submit on form provided
Required Attachments
Architect (by email)
Wal-Mart Construction
Testing Laboratory (CTL)
(by email)
30 days prior to first pour
Product Data
Dowels at construction joints.
Dowels at sawed joints (if specified)
Vapor retarder (if specified)
Curing compound
Architect
Wal-Mart Construction
Testing Laboratory (CTL)
30 days prior to first pour
Slab Jointing and Placement Plan
Placement sizes / sequencing
Joint Types and Locations
Designate Test Slab location
Architect
Wal-Mart Construction
Testing Laboratory (CTL)
30 days prior to first pour
Interior Slab Reinforcing (if specified)
Perimeter foundation tie reinforcing
submittals are submitted under Section
03310.
Architect
Wal-Mart Construction
Testing Laboratory (CTL)
30 days prior to first pour
Pre-slab Installation Meeting
Record of notification
(schedule with SSI)
Meeting agenda
Meeting minutes
SSI
Wal-Mart Construction
Manager
Wal-Mart Construction
Testing Laboratory (CTL)
3 days after meeting.
Statement of Acceptance of Concrete Supplier SSI At or prior to Pre-slab
meeting.
Delivery Tickets Wal-Mart Construction
Testing Laboratory (CTL)
With delivery of each load
Closeout Submittals See Section 01770 See Section 01770
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TABLE A
TESTING AND INSPECTION SCHEDULE
Description of Verification and Inspection
Work
Inspection Frequency Referenced Standard
Inspection of reinforcing steel and placement. Periodic ACI 318: Ch 3.5, 7.1-7.7
Inspection of reinforcing steel that is welded. See steel special inspection
requirements
See steel special inspection
requirements
Verifying use of approved design mix Periodic ACI 318:
Ch 4, 5.2-5.4
Inspection of bolts to be installed in concrete
prior to and during placement of concrete.
Continuous
Test concrete materials for compressive
strength, air content, water content,
temperature, and slump in accordance with
ASTM C31 and C39. Frequency of testing
shall be as follows:
a. Once each day a given class is placed, nor
less than
b. Once for each 27 cubic yards of each class
placed each day, nor less than
c. Once for each 1000 square feet of each
class for slabs or walls surface area placed
each day. In calculating surface area, only on
side of the slab or wall is to be considered.
d. When Specified schedule of testing
provides less than 5 sets of tests for a given
class of concrete for all placements, test at
least 5 randomly selected batches; if fewer
than 5 batches are used, test each batch.
e. Include test cylinders for each compressive
strength test to be tested as follows:
One test for 28 day design age strength: 1 at 7
days, 2 at 28 days, 1 reserve.
Continuous
ASTM C 172
ASTM C31. C39
ACI 318: Ch 5.6, 5.8
AASHTO T318
Inspection of concrete placement for proper
application techniques.
Continuous ACI 318: Ch 5.9, 5.10
Inspection for maintenance of specified curing
temperature and techniques.
Periodic ACI 318: Ch 5.11-5.13