Specs-SEW016-AM_3.pdf
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Specs-SEW016-AM 3
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AM#3 LOWELL CREEK TUNNEL REPAIRS SEW016
SEWARD, ALASKA
2.1.2.1 Unfavorable Properties
Do not provide aggregates possessing properties or constituents that are known to have specific unfavorable effects in concrete when tested in accordance with ASTM C295/C295M.
2.1.3 Chemical Admixtures
Provide chemical admixtures, when required or permitted, that conform to the appropriate specification listed.
2.1.3.1 Air-Entraining Admixture
Conform to ASTM C260/C260M and consistently cause the concrete to have an air content in the specified ranges under field conditions.
2.1.3.2 Accelerating Admixture
Meet the requirements of ASTM C494/C494M, Type C or E, except that calcium chloride or admixtures containing calcium chloride is not permitted.
2.1.3.3 Water-Reducing or Retarding Admixture
2.1.3.3.1 Water-Reducing or Retarding Admixtures
ASTM C494/C494M, Type A, B, or D, except that the 6-month and 1-year compressive strength tests are waived.
2.1.3.3.2 High-Range Water Reducing Admixture
ASTM C494/C494M, Type F or G except that the 6-month and 1-year strength requirements are waived. The admixture may be used only when approved by the Contracting Officer, such approval being contingent upon particular mixture control as described in the Contractor's Quality Control Plan.
2.1.4 Water
Provide water for mixing and curing compliance with the requirements of ASTM C1602/C1602M; potable, and free of injurious amounts of oil, acid, salt, or alkali. Submit test report showing water complies with
ASTM C1602/C1602M.
2.1.5 Nonshrink Grout
Shall conform to ASTM C1107/C1107M, and be a noncatalyzed metallic grout suitable for use in a fluid consistency. Use BASF/Master Builders' MasterFlow AM#3... 885 ...AM#3 grout, or Euclid Chemical's NS Metalic grout, or approved equal.
2.2 EQUIPMENT
Submit data on placing equipment and methods. Conform the batch plant to the requirements of NRMCA CPMB 100 and as specified; however, rating plates attached to batch plant equipment are not required. Submit batch plant data for conformance with applicable specifications.
2.2.1 Batching Equipment
Use partially automatic, semiautomatic, or automatic batching controls.
Section 03 31 01.00 10 Page 12
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