834PILING MATERIALS

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833.03Lagging Timber

Lagging timber shall be fresh, rough-cut hardwood. Lagging timber design and selection to be the responsibility of the contractor. PILING MATERIALS

834.01Concrete Piles

Precast prestressed concrete piles shall be manufactured in accordance with the requirements given in Section 513.

834.02Steel Pile Point Protectors

The pile points shall be fabricated from cast steel meeting or exceeding the requirements of AASHTO M 103M. The pile points shall be properly identified as to the heat from which they were fabricated, either by this number being cast into the point or by being legibly stenciled on each point. Certified mill test reports shall be submitted for the pile points in accordance with the requirements given for the submittal of certified mill test reports for Structural Steel.

834.03Steel Bearing Piles

The material in rolled steel piles and splices shall conform to the requirements of AASHTO M 270 {AASHTO M 270M}, unless otherwise specified by plan details. All piles shall be rolled steel sections of the section number, size, and weight per foot {mass per meter} indicated on the plans and shall be fabricated in conformity with the requirements of ASTM A 6 {ASTM A 6M}. The heat number and section size shall be legibly marked on each piece by stamp, paint, tag, sticker or other industry accepted method. Any piece that cannot be properly identified at time of use will be rejected.

834.04Steel Sheet Piles

Permanent steel sheet piling shall be of the type called for on the plans and shall conform to the requirements of AASHTO M 202 {AASHTO M 202M} and its supplementary requirement, S1. Temporary steel sheet piling shall conform to the requirements of AASHTO M 202 {AASHTO M 202M} and its supplementary requirement, S1 and may be either new piling or used piling, acceptable to the Engineer for the intended function. The temporary steel sheet piling shall be interlocking type piles having a 3/8 inch {9.4 mm} minimum web thickness.

834.05Storing and Handling Steel Piles

When placed in the leads, the pile shall conform to camber and sweep permitted by allowable mill tolerance. The method of storing and handling shall be such as to avoid undue bending stresses or other injury. Piles bent, cracked, or otherwise injured will be rejected. STEEL REINFORCEMENT

835.01General

All reinforcing steel shall be Grade 60 {Grade 420} steel, unless otherwise stipulated in these Specifications or specifically designated by plan details. All steel reinforcement bars (smooth and deformed) must come from an ALDOT approved steel mill. Approved steel mills are listed in the Department’s Materials, Sources and Devices with Special Acceptance Requirements Manual, List I-12, Deformed and Plain Steel Bar Producing Mills. All reinforcing bars over 1/4 of an inch {6 mm} in diameter shall have deformations as prescribed in AASHTO M 31.

835.02Reinforcing Bars

Steel reinforcement bars 1/4 of an inch {6 mm} or less in diameter shall meet the requirements of AASHTO M 32. Steel reinforcement bars over 1/4 of an inch {6 mm} in diameter shall meet the requirements of AASHTO M 31.