TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03, Rev. 0 TABLE OF CONTENTS 1.0 2.0 3.0 4.0 SCOPE CROSS REFERENCES CONFLICTS AND DEVIATIONS APPLICABLE CODES AND STANDARDS 4.1 4.2 National Standards International Standards 5.0 DESIGN REQUIREMENTS 5.1 5.2 Design Criteria Durability Requirements 6.0 MATERIAL REQUIREMENTS 6.1 6.2 6.3 6.4 6.5 Portland Cement Coarse Aggregates Fine Aggregates Water Storage of Materials 7.0 ADMIXTURES AND POZZOLANIC MATERIALS 7.1 7.2 Chemical Admixtures Pozzolanic Materials 8.0 CONCRETE QUALITY REQUIREMENTS 8.1 8.2 8.3 8.4 8.5 8.6 General Strength Requirements Slump Requirements Chloride and Sulfate in Concrete Special Exposure Conditions and Requirements Proportioning Requirements 70TMSS03R0/SZA Date of Approval: April 10, 2006 PAGE NO. 2 OF 38 TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03, Rev. 0 9.0 PRODUCTION OF CONCRETE 9.1 9.2 9.3 9.4 9.5 Batching Mixing Control of Admixtures Hot Weather Concreting Ready-Batched (Dry-Mix) Concrete 10.0 QUALITY CONTROL, INSPECTION, AND TESTS 10.1 10.2 10.3 Aggregate Tests Concrete Tests Evaluation and Acceptance 11.0 DELIVERY 11.1 11.2 Delivery Truck Requirements Batch Ticket Information 12.0 DATA SCHEDULE 70TMSS03R0/SZA Date of Approval: April 10, 2006 PAGE NO. 3 OF 38 0 CONFLICTS AND DEVIATIONS 3. and forms shall be resolved in writing by the SEC Representative. 3.2 70TMSS03R0/SZA Date of Approval: April 10. 2006 PAGE NO.1 Any conflicts between this Standard and other applicable Saudi Electricity Company (SEC) Standards. 3. 4 OF 38 . 0 1. mixing. Industry Standards. Any request to deviate from this Standard shall be directed to the Manager of Transmission Standards and Specifications. 01-TMSS-01 titled "General Requirements for all Equipment/Materials".TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.0 SCOPE This Transmission Material Standard Specification (TMSS) specifies the minimum requirements for mix design. delivery and testing of Normal Weight Ready-Mixed Portland Cement Concrete for in-situ or Precast intended to be used in the system of Saudi Electricity Company (SEC). 2. Rev. as applicable. This TMSS shall also be read in conjunction with SEC Purchase Order or Contract Schedules for project.0 CROSS REFERENCES This Material Standard Specification shall always be read in conjunction with the latest revision of SEC General Specification No. Saudi Arabia. Codes. which shall be considered as an integral part of this TMSS. and Mass Concrete Recommended Practice for Evaluation of Strength Test Results of Concrete Specifications for Structural Concrete for buildings Recommended Practice for Measuring.3 4.6 ACI 301 M ACI 304 R 70TMSS03R0/SZA Date of Approval: April 10.0 APPLICABLE CODES AND STANDARDS The latest revisions/amendments of the following Codes and Standards shall be applicable for the material covered in this TMSS.1. Ordinary and Rapid Hardening Methods of Sampling of Concrete Aggregates Methods of Test for Concrete Aggregates: Part 1: Sieve Analysis Methods of Test for Concrete Aggregates: Part 2: Determination of Organic Impurities in Natural Sand Methods of Test for Concrete Aggregates: Part 3: Determination of Impact Strength for Coarse Aggregates Methods of Test for Concrete Aggregates: Part 4: Determination of Percentage of Clay. Rev. 4. 0 4.2.2.1.3 4.2 SASO/SSA 391 International Standards 4. Heavyweight. In case of conflict.2.4 ACI 214 4.2. 2006 PAGE NO.4 SASO/SSA 143 SASO/SSA 226 SASO/SSA 249 Physical or Mechanical Methods of Testing of Portland Cement Portland Cement.5 4.5 SASO/SSA 250 4.1. 4.2 4.2 4.6 SASO/SSA 251 4.1 AASHTO T-277 Electrical Indicatiaon of Concrete’s Ability to resist Chloride ion Peneration.1.2.1. 5 OF 38 .2.2 ACI 211.1 Guide to Durable Concrete Standard Practice for Selecting Proportions for Normal.1.1 National Standards 4. ACI 201. Silt and Fines in Natural Aggregates Methods of Sampling Fresh Concrete 4.1.1.7 SASO/SSA 278 4.8 4. the vendor/manufacturer may propose material conforming to one group of Industry Codes and Standards quoted hereunder without jeopardizing the requirements of this TMSS.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. SASO/SSA 142 4. Transporting and Placing Concrete Mixing.1. Relative Density Gravity) and Absorption of Fine Aggregate (Specific 4.9 ACI 318M 4.2.2. 6 OF 38 .2.19 ASTM C 131 Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine Test Method for Sieve Analysis for Fine and Coarse Aggregates Test Method for Density (Unit Weight).24 ASTM C 150 70TMSS03R0/SZA Date of Approval: April 10.13 ASTM C 88 4.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.2.20 ASTM C 136 4. 0 4.2. Rev. Relative Density Gravity) and Absorption of Coarse Aggregate Test Method for Density.11 ASTM C 33 4.2.2.2.16 ASTM C 125 4. 2006 PAGE NO.5 Hot Weather Concreting Batch Plant Inspection and Field Testing of Ready-Mixed Concrete Building Code Requirements for Structural Concrete Standard Practice for making & Curing Concrete Test Specimens in the Field.2.2.15 ASTM C 117 4.2.8 ACI 305R ACI 311.17 ASTM C 127 4.2.7 4.12 ASTM C 39 4.2. and Air Content (Gravimetric) of Concrete Test Method for Clay Lumps and Friable Particles in Aggregates Test Method for Slump of Hydraulic Cement Concrete Specification for Portland Cement 4.22 ASTM C 142 4.2.10 ASTM C 31 4.21 ASTM C 138M 4.200) Sieve in Mineral Aggregates by Washing Standard Terminology Relating to Concrete and Concrete Aggregates Test Method for Density.23 ASTM C 143 4.2.18 ASTM C 128 (Specific 4.2.14 ASTM C 94 4.2. Yield. Specification for Concrete Aggregates Test Method for Compressive Strength of Cylindrical Concrete Specimens Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate Specification for Ready-Mixed Concrete Test Method for Materials Finer than 75-µm (No.2. 32 ASTM C 494 4.25 ASTM C 172 4. 7 OF 38 .2.2.26 ASTM C 173M Standard Practice for Sampling Freshly Mixed Concrete Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method Test Method for Time of Setting of Hydraulic Cement by Vicat Needle Standard Practice for Making and Curing Concrete Test Specimens in the Laboratory Test Method for Potential Alkali Reactivity of CementAggregates Combinations (Mortar-Bar Method) Specification for Air-Entraining Admixtures for Concrete Test Method for Potential Alkali-Silica Reactivity of Aggregates (Chemical Method) Specification for Chemical Admixtures for Concrete Test Method for Potential Alkali Reactivity of Carbonate Rocks as Concrete Aggregates (Rock-Cylinder Method) Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete Test Method for Acid-Soluble Choloride in Mortar and Concrete Test Method for Electrical Indication of Concrete's Ability to Resist Chloride Ion Penetration Test Method For Water-Soluble Chloride In Mortar And Concrete Standard Specification for Silica fume used in Hydraulic Cementtitious mixtures Standard Test for Potential Alkali Aggregates (Mortar-Bar method) Reactivity of 4.33 ASTM C 586 4.2.2.2.2.2.2.2.2.30 ASTM C 260 4.37 ASTM C 1218 4.2.34 ASTM C 618 4.39 ASTM C 1260 4.40 ASTM C 1602 Test Method for Mixing Water Used in the Production of Hydraulic Cement Concrete Test Method for measurement of solids in water Practice for Sampling Aggregates 4.29 ASTM C 227 4.27 ASTM C 191 4.2. 2006 PAGE NO.2. 0 4.38 ASTM C 1240 4.42 ASTM D 75 70TMSS03R0/SZA Date of Approval: April 10.35 ASTM C 1152 4.41 ASTM C 1603 4.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.2.2.2.36 ASTM C 1202 4.2.28 ASTM C 192 4.2. Rev.31 ASTM C 289 4. Part I: Sampling of Fresh Concrete Fresh Concrete .48 BS 812 Part 117: Method for Determination of Water Soluble Chloride Salts.55 ISO 6276 4.47 ASTM D 4791 4.43 ASTM D 511 4.54 ISO 6274 4.2.2.Determination of the Particle Mass-per-Volume and Water Absorption Pyknometer Method 4.2.Hydrostatic Balance Method First Edition Fine and Coarse Aggregates for Concrete . 2006 PAGE NO.46 ASTM D 1411 Test Method for Calcium and Magnesium in Water Test Method for Chloride Ion in Water Test Method for Sulfate Ion in Water Test Methods for Water-Soluble Chlorides Present as Admixtures in Graded Aggregate Road Mixes Test Method For Flat Particle.2.Determination of the Consistency .Vebe Test Fresh Concrete .2.2.2.Determination of Bulk Density Coarse Aggregates for Concrete . Elongated Particle.2.Determination of Consistency . or Flat and Elongated Particles in Coarse Aggregates 4.2.2.45 ASTM D 516 4.2.2.56 ISO 6782 4.Sieve Analysis of Aggregates First Edition Concrete. 0 4.53 ISO 4111 4.51 ISO 4109 4. 8 OF 38 .52 ISO 4110 4.44 ASTM D 512 4.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.2.Test Specimens . Compacted Fresh . 4.2. Part 118: Method for Determination of Sulphate Content 4.50 ISO 2736 Concrete Tests .2.49 BS 812.Degree of Compactibility (Compaction Index) Concrete .58 ISO 7033 70TMSS03R0/SZA Date of Approval: April 10.Determination of the Consistency Slump Test Fresh Concrete .57 ISO 6783 4.Determination of Particle Density and Water Absorption .2.Determination of Density Aggregates for Concrete . Rev. 3. the 28-day cylinder compressive strength (per ASTM C 39) value to be adopted for design shall not exceed 31 MPa (4500 psi) although the concrete mix shall be designed to give a strength of 38 MPa (5500 psi).1.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.1. This will cancel and supercede the requirement of ASTM C 150.1.3 Type II cement shall be used for all concrete subject to moderate exposure as defined in Section 8.4 6.2 6.2 and 6.5 70TMSS03R0/SZA . the required average Concrete Strength f’cr shall be 5 to 8 MPa greater than the specified Concrete strength f’c.1%. If Type II is not available.2 Durability Requirements For Saudi Electricity Company works.1 Type I Ordinary Portland Cement with Tricalcium Aluminate (C3A) content of not less than 7% shall be used for all superstructures not governed by Sections 6. Type I cement {with tricalcium aluminate (C3A) content of 8% to 14%} plus pozzolanic materials {silica fume/ fly ash} shall be used for all concrete subject to severe exposure (other than wear or loading) as defined in Section 8. The details are also tabulated in Table 8 B.1. except as modified herein.1 Design Criteria The concrete mix or mixes shall be designed to meet or exceed the requirements of this Specification in all respects. Type V cement shall be used when the chloride is less than 0. 6. 6.1% and the Mg (in groundwater) is more than 1000 ppm and the total sulfates is more than 2000 ppm. 6.1.5.0 MATERIAL REQUIREMENTS 6.1 Portland Cement Portland cement shall conform to ASTM C 150. and shall be COMPANY approved brand.5. However.2.3. Rev. 9 OF 38 6. Date of Approval: April 10. Type I cement with C3A content between 5% and 8% shall be used. 0 5. 2006 PAGE NO.1. Silica fume shall not be used when Mg concentration (in groundwater) exceeds 0.1.10 % (1000 ppm).0 DESIGN REQUIREMENTS 5. for Severe and Very Severe Exposure conditions. Type V Cement + Fly Ash (Class F) shall be used when the Chlorides is less than 0. (1000 ppm) and the Mg (in groundwater) is less than 1000 ppm and the total sulfates is less than 2000 ppm. 5. The physical properties of coarse aggregates and the amount of deleterious substances present shall conform to the requirements of Table 2. Rev. Coarse aggregate for use in concrete that will be subject to aggressive conditions such as frequently or continuously wetted.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Similar information shall be provided in the Bills of Lading accompanying each shipment of bulk cement. Bagged cement varying more than 3% from the weight marked thereon shall be rejected. when requested. If bagged cement is used. in maintaining sieve sizes in consecutive order) of specific sized aggregate during concrete production shall be rejected. 0 6. The requirements shown in Table 1 are for size number classification.6 Cement Mill Test Certificates.2. shall be provided for each shipment of cement. This test is to be conducted biannually or as follows: a. Concrete aggregates from carbonate rock source shall be tested for potential alkali reactivity as per ASTM C 586 prior to their use. the source of aggregate shall be rejected.1.2. 2006 PAGE NO. 10 OF 38 .2 70TMSS03R0/SZA Date of Approval: April 10. If such materials are present in injurious amount. type of cement and weight.2 Coarse Aggregates Coarse aggregates for concrete shall comply with the standard requirements of ASTM C 33 with the following exceptions: 6.60 percent equivalent alkalies (Na2O+ 0. the coarse aggregate may be used with a cement containing not more than 0.e. Under no circumstances shall the source of cement be changed without prior written approval of The COMPANY. or in contact with moist ground shall not contain any materials that are deleteriously reactive with the alkalies in the cement in an amount sufficient to cause excessive expansion of concrete.1 The grading requirements shall be as shown in Table 1 of this Specification.658 K2O).1. Testing shall be in accordance with ASTM C 1260. b. extended exposure to humid atmosphere. For every change in material source A new batch plant being used for first time 6. If expansion due to alkali-aggregate reactivity is found as excessive. tested according to ASTM C 1260. Failure to maintain continuity in gradation (i. all bags shall be plainly marked with the name of the manufacturer.7 6. 6. 18 mm (No. 4) 7 12. 4) 2.36 mm (3/8” to No.0 to 4.5 to 4. Rev.75 mm (½” to No.) 100 95-100 35 to 70 20 to 55 40 to 85 90 to 100 90 to 100 100 20 to 55 90 to 100 100 25 to 60 0 to 15 20 to 55 40 to 70 85 to 100 10 to 40 0 to 15 0 to 10 0 to 5 0 to 5 0 to 10 0 to 5 0 to 10 0 to 15 10 to 30 10 to 30 0 to 5 37. 8) 1. 4) 100 100 100 95-100 100 90-100 100 90-100 5 25.5 mm (1” to 3/8”) 57 25.) 4.) 19 mm (¾ 12.75 mm (1-1/2” to No.TABLE 1 GRADING REQUIREMENTS FOR COARSE AGGREGATES Amounts Finer Than Each Laboratory Sieve (Square Openings).5 mm (1 to ½”) 0 to 5 0 to 5 0 to 5 0 to 10 0 to 5 Date of Approval: April 10. 2006 56 25.75 mm (3/4” to No. 0 PAGE NO.) 9.0 to 9.75 mm (1” to No.5 mm (3/8 in.0 to 9. 11 OF 38 8 9.5 to 2. 16) - TRANSMISSION MATERIALS STANDARD SPECIFICATION 70TMSS03R0/SZA Size No.5 mm (¾ “ to 3/8”) 67 19.0 to 4.5 mm (1-1/2 25 mm (1 in.5 mm (1/2 in. Weight Percentage 50 mm (2 in.75 mm (No. 4) 70-TMSS-03. Nominal Size (Sieves With Square Openings) 467 37. 8) .36 mm (No.0 to 12. 4) 6 19.5 to 4. 22 35 25 30 25 35 0.4 18. Part 118 ASTM C 88 ASTM D 4791 ASTM D 4791 ASTM C 123 ASTM C 1260 Ratio of Los Angeles Abrasion Losses at 100 and 500 Revolutions (100/500 Revolutions Value (Maximum) Clay Lumps and Friable Particles (Maximum) % Materials Finer Than 75 Microns (Maximum) % Water Absorption (Maximum) % * Chloride and Sulfate limits shall not exceed values specified in Section 8.0 20 30 0.03 0. Rev.03 0.TABLE 2 PHYSICAL PROPERTIES OF COARSE AGGREGATES FOR CONCRETE STANDARD LIMITS TEST DESCRIPTION EASTERN REGION WESTERN REGION CENTRAL REGION SOUTHER N REGION NORTHER N REGION TRANSMISSION MATERIALS STANDARD SPECIFICATION 70TMSS03R0/SZA Los Angeles Abrasion Losses (Grading A or B) (Maximum %) ASTM C 131.10 <0.10% at 16 days ASTM C 142 1.0 0. Part 117 BS 812.10 <0.4 18. Note 6 ASTM C 131 0.0 0.10 .5 1.4 Date of Approval: April 10.0 0.4 18.4 18.0 0.4 18.25 ** Expansion <0.0 25 30 0.5 1. 12 OF 38 Potential Alkali Reactivity** % <0.5 2.5 2.0 1.0 1.0 1.5 0.5 0.20 0.0 25 30 0.0 0.0 30 40 0. 0 PAGE NO.5 1.0 2.10 <0.0 2.5 1.03 0.03 0.20 0.5 0.0 30 45 0.03 0. 2006 Chlorides as Cl* ( Maximum) % Sulfates as SO4* (Maximum) % Magnesium Sulfate Soundness Loss (5 Cycles) ( Maximum) % Flakiness Index ( Maximum) Elongation Index (Maximum) Coal and Lignite ( Maximum) % 70-TMSS-03.25 0.5 ASTM C 117 ASTM C 127 BS 812.10 <0. 4) 2. 16) 600 µm (No.36 mm (No.60 05 . Rev.18 mm (No.2. Proper shelters shall be provided for the stock piled aggregates at the concrete supplier’s yard.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.10 0 .100 80 .100 50 . 200) 100 95 .) 4.75 mm (No.30 0 . 6. 30) 300 µm (No.85 25 .3 Fine Aggregates Fine aggregates shall consist of natural sand and shall conform to ASTM C 33. 6. 50) 150 µm (No.5 (3/8 in. 2006 PAGE NO. 100) 75 µm (No. 0 6. 8) 1.3. 13 OF 38 . An undertaking to this effect from the concrete supplier shall be included in the concrete mix design proposal submitted to the COMPANY for review and approval.3 Only aggregates washed with water conforming to section 6.2 70TMSS03R0/SZA Date of Approval: April 10. shall be used.4 to remove contaminants and salts.1 Fine aggregates shall be graded within the following limits: TABLE 3-A SIEVE SIZE mm (ASTM C 33) PERCENT PASSING 9. 0% Maximum 0.0% Maximum * Acid limits shall not exceed values specified in Section 8. Rev. 6.3 The amount of deleterious substances and physical properties of fine aggregates shall not exceed the limits shown in Table 3 B. that it has known performance records of not having any harmful effect on the other parameters of Concrete.4 70TMSS03R0/SZA Date of Approval: April 10.3.3.05% Maximum * 0. Part 118 ASTM C88 LIMIT 2. 2006 PAGE NO.3.2 The fine aggregates shall not have more than 45% passing in any sieve and retained on the next consecutive sieve of those shown in Section 6.1 and its fineness modulus shall not be less than 2.0% Maximum Lighter than Standard Color 1. Note: Fine aggregates with fineness modulus less than the specified limit (as above) can be used. provided. 14 OF 38 . Sand not meeting the above requirements can be used provided that it has known performance record. 6.1.4.40% Maximum * 15. 6. Part 117 BS 812.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.0% Maximum 2.3 or more than 3.3. 0 TABLE 3-B Physical Properties Of Fine Aggregates For Concrete TEST DESCRIPTION Clay Lumps and Friable Particles Materials Finer Than 75 Microns Organic Impurities Water Absorption Chlorides as Cl Sulfates as SO4 Magnesium Sulfate Soundness Loss (5 Cycles) STANDARD ASTM C142 ASTM C117 ASTM C40 ASTM C128 BS 812. Admixtures shall be stored in such a manner as to avoid contamination. or damage and shall be protected from temperature changes which would adversely affect their characteristics. No change in water source shall be permitted without prior approval by the COMPANY. test for determining conformance to this Specification for cleanness and grading shall be performed on samples secured from the aggregates at the point of batching. TABLE 4 Total Dissolved Solids (TDS) Magnesium. Aggregate stockpiles shall be arranged on a clean.4 Water Water used for ice production. shall be allowed to remain in the stockpiles for a minimum of 12 hours before use to prevent excessive variations in moisture content.5. The COMPANY approval is needed in this case. evaporation.5 Storage of Materials 6. or other substances that may be deleterious to concrete or reinforcement and shall meet the requirements shown in Table 4 below. salts.4 70TMSS03R0/SZA Date of Approval: April 10.5.8.5. can be used for mixing. if concrete structure is in arid/dry areas or subjected to moderate exposure condition. For admixtures used in the form of suspensions or non-stable solutions. organic materials. 6.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. for washing. and handled by the supplier in such a manner so as to prevent contamination with other materials or with other sizes of aggregates.0 Note: Same curing water quality.2) shall be stored in weather tight buildings. rinsing and/or cooling aggregates and for mixing concrete shall be clean and free from injurious amounts of oils.5. A complete chemical analysis of water shall be submitted prior to the start of production and shall be required for each new water source being chosen. acids. agitating equipment shall be provided to ensure thorough distribution of the ingredients.3 6.1 Cement and Mineral Additives (Section 7.2 6. hard and slightly sloping ground. alkalies. Rev.5 . 6. free from foreign materials. 2006 PAGE NO. To insure that this condition is met. when considered desirable by the concrete supplier. as specified in TCS-Q-003. Pre-dampening of aggregates. or silos which will exclude moisture and contaminants. bins. 15 OF 38 . Chlorides and Sulfates pH Value 1000 ppm (max) 500 ppm (max) 6. 0 6. 0 7.0 ADMIXTURES AND POZZOLANIC MATERIALS Admixtures to be used in concrete shall be subject to prior approval of The COMPANY and shall meet the following requirements: 7.2 Water reducing or water reducing and retarding admixtures (Normal Plasticizers) shall conform to ASTM C 494. Samples of proposed Pozzolanic materials along with manufacturer's technical data shall be submitted for testing and/or approval prior to their use in concrete. respectively. D. 16 OF 38 .1 Air-entraining admixtures shall conform to ASTM C 260. Chloride-bearing admixtures shall not be permitted. Change in material source A new batch plant being used for the first time 70TMSS03R0/SZA Date of Approval: April 10. “Specification for Chemical admixtures for Concrete”.1 Chemical Admixtures 7. shall be added at a time.1.3 7.2 Pozzolanic Materials Pozzolanic Materials shall be used in Concrete subject to severe/very severe exposures. The pozzolanic materials permissible to be used are silica fume and fly ash. Type A or D.1. Super Plasticizers shall be checked for their compatibility with pozzolanic materials in blended cement concrete.4 7.1. Testing for Mineral Additives shall be done for every 100 tons or for every new batch arrival at the concrete ready-mix Plant. Pozzolanic materials used in production of concrete shall be the same as the samples submitted. testing shall be done under the following conditions: i.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. 7.1. Rev. ii. 7.5 7. Type F or G. High range water reducing or water reducing and retarding admixtures (super plasticizers) shall conform to ASTM C 494. Only one of the Admixtures A.1. 2006 PAGE NO. Air Entraining Agents shall not be added at Site. F or G. Also. respectively.6 7. "Specification for Air-Entraining Admixtures for Concrete".1. Fly Ash Fly ash shall be as per ASTM C 618 Class F.0% <0. 0 7. b. Silica fumes shall be properly dispersed in the Concrete Mix so as not to reduce the strength properties. SO3 Content (Maximum) Chloride CaO (Maximum) (Maximum) 3. 7. Fly Ash shall be used under the following conditions: a. d. Rev. b.2.2.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. silica fumes shall satisfy the following requirements: a. For mass concrete work When Mg in soil and water exceeds 0.2. 17 OF 38 . c. 70TMSS03R0/SZA Date of Approval: April 10. Proper inspection is to be done at the time of mixing with other ingredients of Concrete to avoid agglomerate formation. 2006 PAGE NO. with well known performance record) prior to use in The COMPANY.1 Silica Fumes Silica fumes shall conform to ASTM C 1240..e. The Fly Ash shall be properly characterized (i. Silica fumes shall not be used when Mg (in groundwater) exceeds 0.1% 1% Moisture content and fineness (percentage retained on 45-µm sieve) tests shall be done prior to concrete works with Silica fumes.10 % (1000 ppm).10 % (1000 ppm) in severe exposure conditions where Microsilica cannot be used Fly Ash shall satisfy the following additional requirements: c. In addition. binder ratio used shall be as per the requirements below.2.3. 18 OF 38 . Rev. The amount of pozzolanic materials either blended with cement or added separately to the mixer and the water.36 * Binding Materials (BM) = Cement + Pozzolanic Materials (Fly Ash or Silica Fumes) Note: Only Fly Ash with known performance records shall be used. 0 Properties Theoretical surface area (minimum) Moisture content Loss on ignition Carbon content SiO2 (minimum) Requirements 13000 cm2/g < 0.2% 52% 7. 70TMSS03R0/SZA Date of Approval: April 10. Mineral Additive Silica Fumes Fly Ash Percentage By Weight of Cement 8 25-30 Ratio* (Water/ Binding Materials) 0. 2006 PAGE NO.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.2 % 3% < 0.40 0. Note: The comparison between compressive strength using cylinder and cube is given in Table 11.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. of developing all characteristics required by this Specification. or in case of conflict between project specification and this Specification.3 are used. 8. 19 OF 38 .1 General 8. the maximum permissible slump shall be 150 mm.2 Strength Requirements Strength requirements for compressive strength. 70TMSS03R0/SZA Date of Approval: April 10. Concrete for all parts of the work shall be of specified quality capable of being placed without excessive segregation and. for example. within the limits shown in Table 5. 0 8. Testing shall be done according to ASTM C 39. when hardened. requirements of Section 8. 8.0 CONCRETE QUALITY REQUIREMENTS 8. 2006 PAGE NO. f’c shall be based on 28-day test. similar degree of consolidation. When chemical admixtures meeting the requirements of Section 7. Complete concrete design data shall be submitted to The COMPANY for approval a minimum of thirty (30) days prior to proposed use.1. as determined using 152 mm x 305 mm cylinders having received the same treatment as the structure. In the event that no specific type of concrete mix is called for in the project documents. Compressive Strength f’c shall not be less than the value specified in Section 8.5 and Table 8 for any of the tests.1.1.2 8. curing and temperature history during curing process.1 It shall be the responsibility of the supplier to furnish the mix designs for the strength or strengths of concrete specified. The specific type of concrete exposure to be used for a particular job shall be as specified in the Data Schedule. tested in accordance with ASTM C 143 at the point of delivery.5 shall take precedence for special exposure conditions and Table 8 shall take precedence for concrete not subject to special exposure conditions.3 Slump Requirements Concrete shall be proportioned and produced to have a slump. Rev. Reinforced Walls. Rev. 20 OF 38 Date of Approval: April 10. b. # 8. Severe.15% PAGE NO.06% 0. Caissons and Substructure Walls Pavements and Slabs Beams. The slump of plain concrete shall be within the range specified in Table 5 prior to addition of chemical admixture.10% 4% c. 0 TABLE 5 Permissible Slumps for Various Types of Construction * TYPE OF CONSTRUCTION Reinforced Foundation Walls and Footings and Pile#/ Auger Foundations Plain Footings.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. whichever is fewer. This does not apply at high water table conditions where Tremie is to be used. Prestressed concrete exposed to any exposure conditions Reinforced Concrete exposed to very Severe. does not exceed the maximum limit.4 Chloride and Sulfate in Concrete The total amount of acid-soluble chlorides (Cl) and acid-soluble sulfates (SO4) in the concrete as percentage by mass of cement shall not exceed the following limits: Acid soluble sulfates as SO3 Water soluble chlorides as Cl a. and Moderate Exposure Conditions Reinforced Conditions Concrete exposed to Mild Exposure 0. the slump shall be determined at the discharge point of the concrete placement hose. A tolerance of up to 25 mm above the indicated maximum shall be allowed provided the average for all batches or the most recent 10 batches tested. maximum slump shall be 150 mm. 2006 . and Building Columns Mass Concrete * ** MAXIMUM** 75 mm 75 mm 75 mm 100 mm MINIMUM 25 mm 25 mm 25 mm 25 mm 50 mm 25 mm Permissible slumps shown are for concrete without chemical admixtures. 70TMSS03R0/SZA 0. When high range water reducing admixtures (super plasticizers) conforming to ASTM C 494 Type F or G is used. When concrete pumps are used. 5.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Rev. The maximum permissible water to cementitious materials ratio including surface moisture on aggregates. shall be considered depending on the results from the soil reports. 70TMSS03R0/SZA . refer to TCS-Q-002. above the sea and spray range for a height of 8 meters.2 and 7.1.1 Very Severe Exposure Sabkhah Soils are considered as very severe exposure to concrete. Portland cement and pozzolanic materials shall comply with Sections 6. and concrete continuously or frequently subject to raw water washdown shall be defined as concrete subject to severe exposure. Cementitious materials shall be a minimum of 390 kg/m3 and the amount of pozzolanic materials shall be as per 7. acid attack. 8. respectively. 2006 PAGE NO. 0 8. The feasibility of cathodic protection.36 for fly ash. at the water or groundwater line or within fluctuating water level and spray. and other concrete constituents shall not exceed 0.2.5. as an additional protection measure.3.2 Severe Exposure Structural concrete including slabs-on-grade. Date of Approval: April 10.2. The requirements for the concrete exposed to Sabkhah are same as those detailed in Section 8. which will be exposed to sea water. Concrete shall be proportioned to produce a minimum compressive strength of 38 MPa (5.2.500 psi) in 28 days. Ready-mixed concrete subject to severe exposure shall meet the following requirements: a. seafront structures within 100 meters from shoreline.5. Piles in Sabkhah soils shall be designed as cased piles as additional protection against the aggressive nature of the soils. in contact with high concentration of chlorides (equal to or greater than 1000 ppm) or sulfates (equal to or greater than 2000 ppm) and pH value less than 6.5 regardless of additional protection such as waterproofing or coal tar epoxy coating.5 Special Exposure Conditions and Requirements Tanking system shall be used for all types of shallow foundations and underground concreting irrespective of exposure conditions. 21 OF 38 b. For other details regarding Sabkhah soils. 8.40 for silica fumes and 0. of this specification. The proposed design mix shall be tested to show that the chloride permeability.) Air Content ± 1.5.0 mm (1 in.) 3. tested in accordance with ASTM C 1202 or AASHTO T-277. TABLE 6 Air Content For Air-Entrained Concrete Nominal Maximum Size 9. Maximum (Coulombs) 1000 1000 4000 Blending of concrete with silica fumes/fly ash shall be strictly in accordance with the recommendations of the supplier.b.5 mm of Aggregates (3/8 in.0 mm (3/4 in.2 or Section 7. SEC Approval shall be taken prior to design of concrete. Type of Concrete Concrete With Silica Fumes Concrete With Fly Ash Plain Concrete f.1. For other areas. 2006 PAGE NO. airentraining shall not be used. 0 c.) 4. 22 OF 38 . e.5 mm (1/2 in.5 25. Air entraining admixtures for concrete shall be used only in areas where freezing and thawing conditions prevail. In no case the values given in Table 6 shall be exceeded. Workability shall be maintained by the use of admixtures as described in Section 7. At locations where silica fume/fly ash are not available.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Water-soluble chloride content as Cl shall not exceed 0. h. when tested in accordance with ASTM C 173M. as shown on Table 6. Rev.3. 70TMSS03R0/SZA Date of Approval: April 10.1 % by mass of cement.0% 4.0 19.0 d. Air-entraining admixtures shall conform to ASTM C 260 and shall be proportioned to produce entrained air.) 3.2. g. the mix design shall be revised using higher design strength to reduce the effects of the deleterious chemicals in the soil. shall be as tabulated below and does not exceed 1000 coulombs and shall meet the compressive strength requirement of Section 8.5 12.1. pH more than 7. Within 8 meters above mean sea level and subgrade reinforced concrete within 100 meters from shoreline.2. a.3. c.1.1. shall be defined as concrete subject to moderate exposure. severe/ severe or mild exposures. The maximum permissible water/cementitious materials ratio including surface moisture on aggregates. and far above the water table. Exposed to groundwater line or within fluctuating water level containing high concentrations of chlorides and sulfates. Exposed continuously or frequently to raw water washdown.3 of this Specification. both Coastal and Inland Sabkhahs. 0 8. The proportion shall be capable of producing a minimum compressive strength of 28 MPa (4000 psi). Rev.3 and Resistivity more than 100 ohm-m b. occasional raw water washdown. EXPOSURE Very Severe TYPE OF CONSTRUCTION Piles and Subgrade Reinforced Concrete Subgrade Reinforced Concrete Sea and Seafront Reinforced Concrete On Grade Structural Reinforced Concrete Subgrade Reinforced and Plain Concrete Including Slabs on Finished Grade Level Same as above plus superstructure Severe Moderate Mild 70TMSS03R0/SZA Date of Approval: April 10.6 .3 Moderate Exposure All reinforced and plain concrete below finished grade level. Chlorides less than 300 ppm and sulfates less than 150 ppm from both the soil and ground water (if exists).2 and Section 7. 2006 PAGE NO. and if the soil (after testing) does not fall under the v.5. Portland cement shall comply with Section 6. 23 OF 38 . Exposed to fresh water.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. TABLE 7 Exposure Details SITE CONDITIONS Sabkhah Soils.3.5. Air-entrainment requirement shall comply with Section 8.1. with pH value 6. in contact with soil with chloride between 300-1000 ppm or sulfate between 150-2000 ppm.3. Workability shall be maintained by the use of chemical admixtures described in Section 7. or in contact with dry to moist soil with details as given in 8. and other mix constituents shall not exceed 0. d. The concrete shall be proportioned to contain a minimum Portland cement content of 350 kg/m3.40.7.c. and Resistivity 50-100 ohm-m The concrete is always dry.5. 6.4 Precautions It shall be the responsibility of the concrete supplier to ascertain that the admixtures are compatible and will not cause either short term or long term deficiencies in the quality or durability of the concrete. Binary aggregate proportioning technique to optimize workability.5 unless a lower water-cement ratio is required in Section 8. Concrete shall be proportioned to conform to the requirements shown in Table 8 (A & B) for the strength indicated. required average compressive strength shall be 8. Curve shall be based on at least three points representing batches which produce strengths above and below required average compressive strength specified in Section 8.27 MPa (1200 psi) greater than specified compressive strength.6. 8. and strength shall be used. Rev. When laboratory trial batches are used as the basis for selecting concrete proportions. 8. compaction. Maximum permissible water to cementitious materials ratio for concrete to be used in the structure shall be that shown by the curve to produce the average strength indicated in Section 8. A curve shall be established showing relationship between watercementitious material ratio and compressive strength.1.1 The proportions of ingredients shall be selected in accordance with the provisions of ACI 211.6.6 Proportioning Requirements 8.2 8. air content shall be within ±0.5.4 b.6. strength tests shall be made in accordance with ASTM C 39. 24 OF 38 .6. d. If the ready-mixed concrete plant does not have a record based on 30 consecutive strength tests representing similar materials and conditions to those expected.5 percent and slump within ±20 mm of maximum values permitted by this Specification. 0 8.5. c. 2006 PAGE NO. on cylinders prepared in accordance with ASTM C 192 When laboratory trial batches are made. Proportioning by Laboratory Trial Batches a.3 8. f'c. 70TMSS03R0/SZA Date of Approval: April 10.6.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.5. Each point shall represent the average of at least three cylinders tested at 28 days. 14 MPa.2 2500 * ** WATER-BM** RATIO Maximum* 0.83 MPa (700 psi) 6. based on at least 30 consecutive strength tests that represent similar materials and conditions to those expected. at designated test age by at least: 2. b.50 0.76 MPa to 3.07 MPa.76 MPa (400 psi) 3.60 MIN.45 MPa. f'c. 0 Table 8 A.6 4000 24.50 0.5 5000 31. 8. 70TMSS03R0/SZA Date of Approval: April 10.14 MPa. CEMENT CONTENT kg/m³ 390 370 350 330 320 300 USE Exterior Exterior Exterior Interior Interior Blinding Including surface moisture on aggregates. if standard deviation is 3. 2006 PAGE NO. if standard deviation is 2.79 MPa (550 psi) 4.07 MPa to 2. Where a concrete production facility has a record.20 MPa (900 psi) if standard deviation is less than 2.27 MPa (1200 psi) if standard deviation is greater than 4.0 4500 27. if standard deviation is 2.45 MPa to 4.45 0.90 MPa of that specified for the proposed work. liquid and other ingredients BM-Binding Materials = Cement + Pozzolanic Materials (Fly Ash/ Silica fumes) Proportioning On the Basis of Field Experience a. the required average compressive strength used as the basis for selecting concrete proportions shall exceed the required specified compressive strength.5 8.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Rev.45 0.7 3000 17.45 0.6.2 3500 20.76 MPa. Concrete Proportions Proportioning Requirements for Superstructures/ Concrete in Mild Exposure Conditions (These Values To Be Adopted For Conditions Not Included In The Table 8 B) MINIMUM CONCRETE STRENGTH-(f 'c) MPa psi 34. Strength tests used to establish standard deviation shall represent concrete produced to meet a specified strength or strengths within 6. 25 OF 38 . 26 OF 38 .40 Type I C3A-8-14 % Silica Fumes 0.10 0.10 <0. BM** Content (Kg/m3) Max. MINIMUM REQUIREMENTS Cement Type Cl (Soil+ Water) % >0.f’c 38 MPa /5500 psi for Very Severe and Severe exposure Conditions.Table 8 B.f’c 28 MPa/ 4000 psi for Moderate Exposure Condition.10 <0.1) * >1000 >2000 Type of Admixture (Pozzolanic Materials) Fly Ash <1000 >2000 >1000 >2000 Severe (See Section 8.10 <0.5.10 0.5. Rev.10 >0.1 for additional protection of foundations in Sabkhah soils. 2.10 0. Minimum Concrete Strength. 1. BM = Binding Material= Cement + Pozzolanic Materials (Fly Ash or Silica Fumes) Minimum Concrete Strength.3) - <1000 - 1000 to <2000 Notes: * **.2) <1000 >2000 Date of Approval: April 10.40 0.5.5. See Section 8.Cl In Concrete % SUBJECT TO SPECIAL EXPOSURE CONDITIONS EXPOSURE DETAILS TRANSMISSION MATERIALS STANDARD SPECIFICATION 70TMSS03R0/SZA Type Limits Mg ppm SO4 ppm Very Severe (See Section 8. PAGE NO.10 0.40 390 Type I C3A-8-14 % 0.10 >0. 2006 - >2000 Moderate (See Section 8.36 390 0. 0 Maximum W/BM** Min.40 Type I C3A-8-14 % Fly Ash 0.10 0.36 390 390 390 350 350 Type I C3A-8-14 % Silica Fumes 0.10 0.36 0.10 70-TMSS-03.10 >0.10 Type V Type II / Type I C3A-5-8 % Type V Fly Ash 0. 2006 PAGE NO. and Placing Concrete". The batch mixer shall be capable of thoroughly combining the ingredients into a uniform mass within the specified mixing time. Except as otherwise provided for in ASTM C 94. When truck-mixed concrete is delivered.2.3 70TMSS03R0/SZA Date of Approval: April 10.2. "Recommended Practice for Measuring. Plant scales and other measuring mechanisms shall be calibrated no less than 3 times per year.3 : : : : ±1% ±1% ±2% ±3% 9. mixed. Copies of all certification results shall be submitted to the COMPANY and a copy shall be tagged on to the different scales for easy identification. Truckmixed concrete delivered in trucks not having or having inoperable revolution counters shall be rejected.2 9. Operation of batching equipment shall be such that concrete ingredients are constantly measured within the following tolerances: Cement Water Aggregates Admixtures 9.2. Transporting. 9. Mixing.2 Mixing 9.2 Batching of concrete ingredients shall be mass-controlled only.1.1 Scales for weighing concrete ingredients shall be accurate when in use within ±0.1. 9. which will lock the discharging mechanism and prevent emptying of the mixer until all the materials have been mixed together for the minimum time required.1.4.0 PRODUCTION OF CONCRETE Ready-mixed concrete shall be batched. 0 9. unless permitted otherwise in this Specifications. and ACI 304.1 Central-mixed or truck-mixed (dry or wet) concrete shall be permitted. and transported in accordance with ASTM C 94. 27 OF 38 .TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Volume batching shall not be permitted. concrete shall be mixed for a minimum of 100 revolutions at mixing speed and discharge shall be completed in accordance with Section 9. and of discharging the concrete without harmful segregation. The central-mixed concrete batch plant shall be equipped with an automatic timing device.1 Batching 9. and shall be certified as conforming to the requirements of ASTM C 94. or before the drum has been revolved 300 revolutions whichever comes first after the introduction of mixing water to the cement and aggregates. 9.4 percent of their total capacities. Rev. "Specification for Ready-Mixed Concrete". each truck mixer shall be fitted with an operable revolution counter. TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. 2006 PAGE NO. cement and silica fumes/fly ash shall be mixed in dry condition for at least three (3) minutes.5 b.4.2.2. Water and chemical admixtures can be added and mixed to obtain a uniform mix. Manufacturer's certification shall be obtained to show that the admixtures are compatible and will not affect the normal setting time of concrete.3.3. 0 9. The liquid part of the admixtures shall be considered a part of the mixing water. Coarse aggregates shall be added and mixed in the dry condition for at least one (1) minute.2 9. they shall be added separately to avoid possible interaction that might interfere with the efficiency of either admixture or adversely affect the concrete. 9.4 Hot Weather Concreting 9. Note 2: Minimum concrete temperature at delivery shall not be less than 5°C. c. When two or more admixtures are used in the concrete.3 Control of Admixtures 9.1 During hot weather. delivery and complete discharge time shall not exceed the following limits: Table 9 Maximum Concrete Temperature 29°C 29°C 32°C Ambient Temperature 29°C or less Between 29°C and 32°C 32°C and more Delivery Time 90 minutes 75 minutes 60 minutes Note 1: During hot weather conditions (May to October).1 Chemical admixtures and Air-entraining admixtures (where required) shall be charged into the mixer as solution and shall be measured by means of an approved mechanical dispensing device. 9. 28 OF 38 . the mixing. Fine aggregates. The sequence of loading for concrete with silica fumes shall be as follows: a. 70TMSS03R0/SZA Date of Approval: April 10.4 Trucks delivering concrete from either a central-mixed or a truck-mixed plant shall be equipped with a water system having an accurate and easily readable water measuring device. Rev. or under conditions contributing to rapid evaporation of mix water. Concrete temperature is permitted to vary by 2°C more than the value in the table above. 9. Following conditions shall apply in such case: 9. delivery time with respect to maximum concrete temperature as specified above shall not be exceeded.1 For long hauls of up to 3 hours from the concrete batching plant. 70TMSS03R0/SZA Date of Approval: April 10. Concrete delivered at temperature greater than that specified above shall be rejected at the expense of the supplier. 0 9. 9. Consistency and uniformity tests shall be performed as per the requirements of ASTM C 685 under supervision of Company Representative.4. During hot weather conditions.7. 9.5. 9.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Mix design and mixing procedure shall be approved by The Company. The total absolute volume of the all ingredients batching should not exceed 63% of the drum volume of the truck as indicated in ASTM C 94. cold water or ice shall be used to produce concrete keeping the temperature within limits specified as note in Table 9. 2006 PAGE NO.4. 29 OF 38 . The drum opening when using this option shall be provided with cover.5.5 Ready-Batched (Dry-Mix) Concrete Ready-batched (Dry-Mix) concrete shall be permitted when ready-mixed (wet) concrete cannot satisfy Table 9 requirements due to long haul distances. Rev. This option requires batching of coarse and fine aggregates including not more than 80% of the mixing water at the regular concrete batching plant with the cementitious materials and the remaining water added at the batching facility near or at the job site. 9.5. Trial batches shall be performed and witnessed by Company Representative.5. Mixing water for ready-batched concrete shall be added at site and concrete temperature shall not exceed 32°C. For longer haul wherein travel time from the concrete batching plant exceeds 3 hours.5.3 9.5.2 In all cases. 9.5. cement batching facility shall be located at or near the job site.5. contact between cementitious materials and aggregates shall be avoided or minimized by slide loading of cementitious materials into a still drum as the last ingredient and shall not be rotated until water is added for mixing at the job site.2 9.6. 1 Aggregates Tests 10. INSPECTION AND TESTS The concrete supplier shall establish and maintain a Quality Control Program. Rev.1.2 Fine Aggregates o Gradation or sieve analysis o Materials finer than the 75 µm (#200) sieve o Clay lumps and friable particles o Soluble chlorides and soluble sulfates o Magnesium sulfate soundness o Organic impurities Weekly Weekly Monthly Monthly Quarterly Quarterly Weekly Weekly Monthly Monthly Monthly Monthly Monthly Biannually 10.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.1.1 Coarse Aggregates o Gradation or sieve analysis o Materials finer than the 75 µm (#200) sieve o Clay lumps and friable particles o Los Angeles abrasion o Specific gravity and absorption o Chlorides and Sulfates o Magnesium sulfate soundness o Potential Alkali Reactivity of Aggregates 10.0 QUALITY CONTROL. as deemed necessary to verify compliance to any of the quality requirements stated in this Specification at no extra cost.2. 10.1.1. and 10. The COMPANY reserves the right to obtain samples.3. 2006 PAGE NO.3 Tests on Mixing Water o Chlorides o Sulfates o Magnesium o Total dissolved solids Monthly Monthly Monthly Monthly 70TMSS03R0/SZA Date of Approval: April 10. 0 10. of either the delivered product or its constituent components. 10. which shall include the minimum testing requirements of Sections 10. 30 OF 38 . sampled and cast at the project site in accordance with ASTM C 31. One (1) sample per 50 cubic meters of concrete or part thereof 70TMSS03R0/SZA Date of Approval: April 10. Two of the cylinders to be tested at 28 days shall be field cured. 10. and three cylinders at 28 days of age.b. Each test shall consist of a set of five (5) cylinders.2 Concrete Tests 10. b. For small works.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.2. 2006 PAGE NO. per plant.3 The test report shall include the following information for each of concrete specimen taken: o Mix/Strength classification in MPa o Cylinder strength in MPa o Cylinder identification number o Slump in millimeters.2 The frequency of obtaining specimens for compressive strength testing shall be a minimum of one test per 75 cubic meters or part thereof. similar degree of consolidation. 10. The cylinders shall be tested in accordance with ASTM C 39. Rev.2. 0 10. A sample cast from the same batch of concrete and cured at site along with the structure shall be used.2. Frequency of testing shall be as stated in the Data Schedule. Frequency of Chloride Permeability Testing shall be as follows: a.2. mm o Wet density in kg/m3 o Ambient air temperature in °C o Concrete temperature in °C o Percent air content.5. 31 OF 38 . The average of the two 28 day individual strengths of field cured samples shall be referred to as 28-day compressive strength. when air-entrained concrete is specified o Location in structure 10. < 25m³.4 Chloride Permeability tests shall be done on Concrete specimens having received the same treatment as the structure. one cylinder at 7 days.1 Concrete with Pozzolanic Materials (silica fumes or fly ash) shall be tested for verification of compliance to the requirements of Section 8. per mix/strength classification. curing and temperature history during curing process.2. per day. for example. one cylinder at 3 days. One (1) sample during every concrete pour For large works. 4) 10.3. as determined using two 152 mm x 305 mm cylinders tested in accordance with ASTM C 39. b. 10. Concrete in the area represented by in-place test shall be considered structurally adequate provided such results conform to the provisions of ACI 318.3 The strength level of the concrete will be considered satisfactory if the following criteria are met: a.5 Chloride and Sulfate Content in Concrete Frequency of tests shall be same as that for Chloride permeability tests (See Section 10.2. 0 10.3 Evaluation and Acceptance 10. No individual strength test (average of two cylinders’ strengths) falls below required f'c by more than 3. ASTM C 42 Load Test in accordance with ACI 318. "Recommended Practice for Evaluation of Strength Test Results of Concrete". (2) a. Concrete judged structurally inadequate after in-place testing as described above shall be removed and replaced at no expense to The COMPANY.2. f'c.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. The average of all sets of three consecutive strength tests equals or exceeds the required f'c. 10.4 In the event that concrete fails to meet the strength requirements of this Specification. 2006 PAGE NO.45 MPa. b.3. in-place testing for concrete strength shall be conducted. 32 OF 38 .3. 10.3.1 Control of all ready-mixed concrete shall be based on 28-day compressive strength.2 Evaluation of all compressive strength test results shall be based on ACI 214. Testing shall be conducted by one or a combination of the following methods: (1) Method of Obtaining and Testing Drilled Cores and Sawed Beams of Concrete. Rev. 70TMSS03R0/SZA Date of Approval: April 10. c.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.0 DELIVERY 11.1. each truck used on The COMPANY project shall be equipped with a minimum of one (1) permanently affixed discharge chute and three (3) attachable extensions.1 Each truck shall have an operable water system with a measuring device of one of the following types: a. In addition. 33 OF 38 . Automatic Cut-off Siphon Type Water Meter of the Automatic Shut-off Type Sight Gauge or Gauges 11.1 Delivery Truck Requirements All trucks used for the delivery of truck-mixed concrete either ready-batched (dry) or ready-mixed (wet) shall conform to the requirements of ASTM C 94. 2006 PAGE NO.1.1. b. information concerning said concrete as follows: 70TMSS03R0/SZA Date of Approval: April 10.2 Each truck used for the delivery of truck-mixed concrete shall be equipped with an operable revolution counter.2. stamped. 11. a delivery ticket on which is computer printed or written.2 Batch Ticket Information 11. Rev.3 Trucks used for delivery of concrete to The COMPANY projects shall conform to all applicable Company safety regulations. 0 11. 11. 11.1 The supplier of the concrete shall furnish to The COMPANY with each batch of concrete before unloading at the site. 0 Table 10 a. Name and location of ready-mixed concrete batch plant Serial number of ticket Date Truck number Name of Contractor Specific designation of job (JO number and location) Specific class/ Exposure condition or strength designation of the concrete h. brand and amount of cement Type. e. Type. g. f. b. i. m. reading of revolution counter at the first addition of water l. n. and Signature or initial of ready-mixed concrete Company Representative 70TMSS03R0/SZA Date of Approval: April 10. j. o. p. k. r. q. brand and amount of admixtures Total water content by producer Maximum size of aggregate Weight of fine and coarse aggregates Temperature of concrete at loading and at discharge. Rev. d.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. 2006 PAGE NO. 34 OF 38 . Volume of concrete in cubic meters Time loaded and time discharge started Humidity at the time of loading and discharge For truck-mixed (Dry mix) concrete. c. 35 OF 38 . Table 7 and BS 8500-1:2002. 0 Table 11 Compressive strength classes for normal weight concrete (based upon BS EN 206-1: 2000. 2006 PAGE NO.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Rev. Table A-20) Required minimum characteristic cylinder strength (MPa) 8 12 16 20 25 28 30 32 35 40 45 50 55 60 70 80 90 100 Required minimum characteristic cube strength (MPa) 10 15 20 25 30 35 37 40 45 50 55 60 67 75 85 95 105 115 Compressive strength class C8/C10 C12/C15 C16/C20 C20/C25 C25/C30 C28/C35 C30/C37 C32/C40 C35/C45 C40/C50 C45/C55 C50/C60 C55/C67 C60/C75 C70/C85 C80/C95 C90/C105 C100/C115 70TMSS03R0/SZA Date of Approval: April 10. 5 CONCRETE QUALITY REQUIREMENTS a) Exposure Requirements b) Type of Cement c) Min. SEC Purchase Order No.SEC SPECIFIED DATA/PARAMETER 'B' .0 DATA SCHEDULE NORMAL WEIGHT READY-MIXED PORTLAND CEMENT CONCRETE SEC Enquiry No.O.REMARKS SUPPORTING THE PROPOSED DEVIATION IN COLUMN 'B' (*) -DATA/PARAMETER TO BE PROVIDED/PROPOSED BY THE BIDDER/SUPPLIER/ VENDOR/CONTRACTOR IN COLUMN 'B' 70TMSS03R0/SZA Date of Approval: April 10. Cylindrical Compressive Strength @ 28 Day Strength(MPa)* f) Max. 2006 PAGE NO. Date: Date: DESCRIPTION 'A' 'B' 'C' 4. Rev. 36 OF 38 . No.0 APPLICABLE CODES AND STANDARDS Applicable Industry Standard * 8. 0 12.water/ cementitious materials ratio g) Max. Cement Content (kg/m3) d) Pozzolanic Material Content (kg/m3) Name/Brand e) Req’d Min.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. or Contract No. Slump w/o admixture (mm) h) Mass of fine aggregates (kg/m3) 'A' ./Project Title with J.0 8.BIDDER/SUPPLIER/VENDOR/CONTRACTOR PROPOSED DATA/PARAMETERS 'C' . SEC PTS No. REFERENCE SECTION NO. BIDDER/SUPPLIER/VENDOR/CONTRACTOR PROPOSED DATA/PARAMETERS 'C'.2. SEC Purchase Order No. SEC PTS No.DATA/PARAMETER TO BE PROVIDED/PROPOSED BY THE BIDDER/SUPPLIER/ VENDOR/CONTRACTOR IN COLUMN 'B' 70TMSS03R0/SZA Date of Approval: April 10. 2006 PAGE NO.O. Date: Date: DESCRIPTION 'A' 'B' 'C' CONCRETE QUALITY REQUIREMENTS i) Coarse Aggregates Type Mass (kg/m3) Nominal Size (mm) j) Admixture: Type Brand Dosage (l/m³) 10.0 DATA SCHEDULE NORMAL WEIGHT READY-MIXED PORTLAND CEMENT CONCRETE SEC Enquiry No. Rev. or Contract No. REFERENCE SECTION NO.TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03.0 TESTS 10.REMARKS SUPPORTING THE PROPOSED DEVIATION IN COLUMN 'B' (*). 37 OF 38 .4 Chloride Permeability Test Frequency of Permeability Test/m³ Yes/No 'A'. 0 12.2 Frequency of Sampling for Compressive Strength/m³ 10.2./Project Title with J. No.SEC SPECIFIED DATA/PARAMETER 'B'. OTHER PARTICULARS TO BE FILLED UP BY BIDDER/VENDOR/SUPPLIER/ CONTRACTOR: Actual Manufacturer of Equipment/Material Name of the Company Location and address Vendor/Supplier/ Contractor Name and Signature of authorized Representative and date Official Seal/Stamp of the Company & Date 70TMSS03R0/SZA Date of Approval: April 10. ADDITIONAL SUPPLEMENTARY DATA OR BIDDER/VENDOR/SUPPLIER/CONTRACTOR: FEATURES PROPOSED BY B. ADDITIONAL TECHNICAL INFORMATION OR FEATURES TO BE FURNISHED BY SEC: B. 38 OF 38 .TRANSMISSION MATERIALS STANDARD SPECIFICATION 70-TMSS-03. Rev.0 DATA SCHEDULE NORMAL WEIGHT READY-MIXED PORTLAND CEMENT CONCRETE A. 2006 PAGE NO. 0 12.