Z084003630SPC007 Supply and Installation of Concrete.docx

1、Z084003630SPC007 Supply and Installation of ConcreteKOREA NATIONAL OIL CORPORATIONBLACKGOLD OIL SANDS PROJECTIMV PROJECT NO. Z08400SPECIFICATION FOR SUPPLY AND INSTALLATION OF CONCRETECivil SpecificationBJuly 30, 2008Issued for EngineeringB.B.P.N.N.K.AJune 12, 2008Issued for ReviewB.B.P.N.N.K.REV. N

2、ODATEREVISION DESCRIPTIONORIGINATORCHECKEDAPPROVEDTable of Contents1.0 GENERAL 32.0 TESTING LABORATORY 63.0 DEFECTIVE CONCRETE 74.0 MIXING PLANT 75.0 CONCRETE MATERIALS 76.0 REINFORCEMENT 87.0 PROPORTIONING OF CONCRETE 98.0 ADMIXTURES 109.0 CONCRETE PROPERTIES 1010.0 FORMWORK 1111.0 PLACING CONCRETE

3、 1212.0 CONSTRUCTION JOINTS 1313.0 COLD AND HOT WEATHER CONCRETING 1414.0 CURING 1515.0 SLAB FINISHES 1616.0 REPAIR OF CONCRETE 1717.0 WATERSTOPS 1818.0 BEARING GROUTS AND GROUTING 1819.0 TABLE 1: CONSISTENCY REQUIREMENTS 191.0 GENERAL1.1 ScopeThis specification covers the requirements for cast-in-p

4、lace and pre-cast concrete materials and construction.1.1.1 Whenever a conflict exists among the referenced codes, standards and specifications including this one, the more stringent shall apply unless specifically noted otherwise in the project documents.1.2 DEFINITIONS1.2.1 “Owner” when used in th

5、is Specification shall mean the Korea National Oil Company or its authorized representative.1.2.2 “Contractor” when used in this Specification shall mean the company that has agreed to complete the Work or its authorized sub-contractor1.3 Related Project SpecificationsZ08400-36-30-SPC-001 - Structur

6、al Design CriteriaZ08400-36-30-SPC-009 - Supply and Installation of GroutZ08400-36-30-SPC-012 - Site Preparation, Earthwork and Drainage1.4 Reference Codes and Standards1.4.1 The materials and construction of cast-in-place and pre-cast concrete shall conform to all applicable industrial codes, stand

7、ards, specifications and government regulations, including those listed below. Each document including addenda, supplements and guides shall be the latest revision.a) The National Building Code of Canada (NBC).b) The Alberta Building Code (ABC).c) The Canada Occupational Health and Safety Regulation

8、s.d) The Occupational Health and Safety Regulations of the Province of Alberta.e) Alberta Workers Compensation Board Regulations.Canadian Portland Cement Association:f) Design and Control of Concrete Mixturesg) Concrete Design HandbookCanadian Standards Association (CSA):h) CAN/CSA - A23.1/A23.2 Con

9、crete Materials and Methods of Concrete Construction / Methods of Test and Standard Practices for Concretei) CAN/CSA - A23.3 Design of Concrete Structuresj) CAN/CSA-A23.4/ A251 Precast Concrete Materials and Construction/Qualification Code for Architectural and Structural Precast Concrete Productsk)

10、 CAN/CSA - A283 Qualification Code for Concrete Testing Laboratoriesl) CAN/CSA-A3000 Cementitious Materials Compendiumm) CAN/CSA-A3001 Cementitious Materials for Use in Concreten) CAN/CSA-A3004 Physical Test Methods for Cementitious Materials for Use in Concrete and Masonryo) CAN/CSA-G30.18-M Billet

11、-Steel Bars for Concrete Reinforcementp) CAN/CSA-G40.20 General Requirements for Rolled or Welded Structural Quality Steelq) CAN/CSA-G40.21 Structural Quality Steelsr) CAN/CSA-G164-M Hot Dip Galvanizing of Irregularly Shaped Articless) CAN/CSA - S269.1 Falsework for Construction Purposest) CAN/CSA-S

12、269.3-M Concrete Formworku) CAN/CSA - W186-M Welding of Reinforcing Bars in Reinforced Concrete ConstructionAmerican Society for Testing and Materials (ASTM)v) ASTM A82 Standard Specification for Steel Wire, Plain, for Concrete Reinforcementw) ASTM A184 Standard Specification for Fabricated Deformed

13、 Steel Bar Mats for Concrete Reinforcementx) ASTM A185 Standard Specification for Steel Welded Wire Reinforcement, Plain, for Concretey) ASTM A496 Standard Specification for Steel Wire, Deformed, for Concrete Reinforcementzz) ASTM A497 Standard Specification for Steel Welded Wire Reinforcement, Defo

14、rmed, for Concreteaa) ASTM A704M Standard Specification for Welded Steel Plain Bar or Rod Mats for Concrete Reinforcementbb) ASTM A307 Standard Specification for Carbon Steel Bolts and Studs; 60,000 psi Tensile Strengthcc) ASTM C171 Standard Specification for Sheet Materials for Curing Concretedd) A

15、STM C309 Standard Specification for Liquid Membrane Forming Compounds for Curing Concreteee) ASTM C494 Standard Specification for Chemical Admixtures for Concreteff) ASTM C1017 Standard Specification for Chemical Admixtures for Use in Producing Flowing ConcreteAmerican Concrete Institutegg) ACI 305R

16、 Standard Specification for Hot Weather Concretinghh) ACI 306R Standard Specification for Cold Weather Concretingii) ACI 308R Standard Practice for Curing Concretejj) ACI 308.1 Standard Specification for Curing ConcreteReinforcing Steel Institute of Canada (RSIC)kk) Reinforcing Steel Manual of Stand

17、ard Practice Canadian General Standards Board (CGSB)ll) CAN/CGSB-51.34 Vapour Barrier, Polyethylene Sheet for Use in Building Construction.1.5 Submittals1.5.1 At least 14 days prior to the start of fabrication, Contractor shall submit to the Owners Representative for review and approval three sets o

18、f shop drawings, showing all material types and grades as well as all dimensions necessary for the fabrication and placing of the reinforcement steel and accessories.1.5.2 At least 14 days prior to commencing installation of cast in place concrete floors, Contractor shall submit to the Owners Repres

19、entative for review and approval, locations of all floor joints, including construction joints and control joints and sequence of pours.1.5.3 At least 14 days prior to concrete mixing and placing, Contractor shall submit to the Owners Representative for review and approval the following data:mm) Agg

20、regate source information and certified copies of satisfactory test results by a CSA certified testing laboratory.nn) Product data of cementitious materials and chemical admixtures.oo) Certified test results of compatibility between the chemical admixtures and cementitious materials.pp) Proposed con

21、crete mix design and certified test results of trial or previously used mix designs including, but not limited to, slump, wet density, air content and strengths at 1, 3, 7 and 28 days.qq) Proposed concrete mixing, delivery, placing, finishing and curing methods and equipment information.rr) Proposed

22、 concrete curing and protection procedures for cold and hot weather concreting.ss) The manufacturers product data and installation procedures for joint sealant, epoxy-bonding agent, form parting agent (form oil), curing compound, and other products to be used in concrete construction.1.5.4 Contracto

23、r shall submit to Owners Representative for approval all proposed repair materials and procedures at least 3 days prior to the commencement of any repair work to the concrete.1.5.5 A record of the concrete work shall be prepared and maintained by Contractors Field Superintendent during the period of

24、 construction. This record shall be forwarded to the Owners Representative, at the time of the job completion, unless provided otherwise. The record should cover the quality and quantity of concrete materials, the mixing and placing of concrete, the general progress of the work, and the general weat

25、her and air temperature during placing of concrete. Concrete delivery tickets shall contain the information required by CAN/CSA A23.1. Records shall be correlated to concrete test reports.2.0 TESTING LABORATORY2.1 GeneralAn approved testing laboratory, meeting the requirements of CAN/CSA A283 shall

26、be retained by Contractor at the Contractors cost to perform the following work:2.1.1 Confirm quality and determine proportions of materials, which must be used to furnish concrete having the required compressive strength at the age of 28 days, and other properties conforming to the requirement of t

27、his specification. Prior to placing of concrete Owners Representative shall approve final mix designs. Seven-day compression tests on the trial mixes shall be performed and submitted before such approval is given.2.1.2 Contractor shall take concrete samples and make a minimum of three test cylinders

28、 from every sample, as described in Section 2.1.2.1.1. Each cylinder shall be dated, given a number, and the point in the structure from which the sample was taken noted thereon. Test cylinders shall be made at the jobsite and stored in accordance with CSA A23.2. These cylinders shall be tested as f

29、ollows: tt) One at 7 days;uu) One at 28 days; andvv) The third to be tested at the discretion of the Owners Representative.2.1.3 Samples shall be taken from each complete pour for individual foundations or structures supporting main processing units, heavy mechanical equipment, buildings, storage ta

30、nks, and other important structures, in accordance with the following schedule:Number of m3 in any Individual Foundation or StructuresNo of Samples to be Taken0 40One for each 20 m340 160One for each 40 m3160 270One for each 60 m3270 or overOne for each 80 m32.1.4 Contractor shall perform other test

31、s on concrete delivered to the jobsite including, but not limited to, slump, air content, and temperature.2.1.5 Make routine laboratory compression test of concrete test cylinders and produce test reports. Test reports shall show location where specimens were taken, dates taken, ultimate compressive

32、 strength, air content, slump, and remarks on characteristics of cylinder. Copies of reports shall be furnished to the Owners Representative. These tests shall be carried in accordance with CAN/CSA A23.2.2.1.6 Inspection and field tests shall conform to CAN/CSA A23.2, and to the applicable CSA specifications