06-J Cox Field Water Main - Laserfiche WebLink

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(c) Concrete embedment pounds per square inch at 28 days. D embedment or encasement will be mix Concrete for the sides and top, if specif more than three (3) inches. Concrete q sack) per cubic yard, and shall contait detailed design mix shall be submitted testing as outlined in the Special Cond After pipe joints aze t encasement shall have a minimum compressive strength of 2000 r mix will not be permitted. The concrete cushion portion of the d moist or damp to give a slump of not more than one (1) inch. d, shall be mixed to obtain a slump of not ]ess than one (1) inch nor all contain not less than 4.5 sacks of cement (94 Ibs. of cement per not more than 0.9 gallons of water per sack of cement. A more ry the Contractor. Samples of this concrete shall be furnished for of these specifications. the voids at the joints in the embedment section shall be filled with concrete, and the embedment sh be brought up to proper grade. Where concrete is placed over or along the pipe, it shall be placed in suc manner as not to damage or displace the joints or displace the pipe. Caze shall be taken in the placement of oncrete to assure that a uniform pad, free of voids and of specified thickness, is constructed under the ent' e pipe section. A cleavage line betwee the base concrete and the side embedment concrete will not be allowed. Backfilling shall be done in a cazeful manner and at such time, after concrete embedment or encasement has been placed, as not to amage the concrete in any way. In special cases, where in obtaining a stable foundation and st Concrete actually placed and approvei (d) Sand shall consist of organic material. All particles must p passing #200 sieve shall have a PI < 8 2005.06 Select material shall free-flowing material like sand or mir materials. Select material shall also in chips shall have an average dimension ;med necessary by the Engineer, 2000 psi Concrete shall be used be paid for at the unit contract price per cubic yard for 2000 psi by the Engineer. hard, durable, uncoated grains, free from lumps, clay, soil, and a 3/8-inch sieve and less than 10% pass a#200 sieve. Material LL < 30. placed as designated on the plans. Select material shall consis[ of a ;d sand and gravel, free from lumps, large stones, clay and organic :lude rock cuttings from a ditching machine provided that the largest less than one (1) inch, and no d'unension grater than three (3) inches. If approved by the Cit good, sound earth may be used as select material for backfill over the pipe. Good, sound earth is defined gravel, sandy loam or loam, free from excessive clay. If, when the material is damp and pressed into a fght ball into the hand and fingers are relaxed, the material crumbles freely, the material will be considere as not having an excessive clay content. Good, sound earth will be allowed as se]ect material only if sand or rock cuttings are not present on the project. Select material shall not contain rocks with an average dimension larger than one (1) inch and no dimension greater than three (3) inches. I Select material shall first be cazefully placed on both sides of the pipe simultaneously in layers of not more than four (4) inches in loose thickness, and these layers shall be fumly compacted by hand or Item 2005-5