Art. 1042.01 Precast Concrete Products SECTION 1042. PRECAST CONCRETE PRODUCTS
1042.01 Description. This item shall consist of the manufacture and shipping
of precast concrete products. CONSTRUCTION REQUIREMENTS
1042.02 General. Precast concrete products shall be according to the Bureau
of Materials Policy Memorandum "Quality Control/Quality Assurance Program for Precast Concrete Products". The reinforcement bars used in precast concrete products shall be according to
Article 1006 — 10(a).
Precast concrete structural members, precast concrete piles, precast concrete headwall for pipe drain, precast concrete right-of-way markers, precast concrete drainage markers, precast concrete permanent survey markers, precast concrete section markers, and precast temporary concrete barrier shall be wet cast only. When a precast product has attained the specified strength, the earliest the product may be loaded, shipped, and used is on the fifth calendar day. The first calendar day shall be the date casting was completed. Construction requirements for reinforcement bars shall be according to Section 508.
1042.03 Precast Concrete Structural Members (Section 504). Bridge slabs,
pile caps, and other structural members shall be according to the following.
a.The concrete shall be Class PC according to Section 1020, and shall have a minimum compressive strength of 4500 psi (31,000 kPa) at 28 days.
b.Shop Drawings. Before fabrication begins, the Contractor shall submit duplicate prints of shop drawings to the Engineer for review and preliminary approval. Discrepancies in the contract plans or existing conditions discovered during preparation of the shop drawings shall be reported to the Engineer for resolution prior to submitting the shop drawings for review and approval. These drawings shall be on full size sheets, 22 x 34 in. (550 x 850 mm) or reduced size sheets, 11 x 17 in. (275 x 425 mm). Each full or reduced size sheet shall provide adequate space for review and approval stamps at the lower right hand corner. Both lettering and details shall ensure legibility for review and reproduction after microfilming. All drawings shall be completely titled according to the contract plans including structure number, state contract number, route, section, and county, and shall pertain to only one structure. If the submitted shop drawings have significant discrepancies, revised sets shall be submitted until details comply with the contract requirements. After all review comments have been addressed and preliminary approval is given, the Contractor shall furnish six or more full or reduced size prints of the drawings as directed by the Engineer, and these shall be distributed and become a part of the contract. Changes to previously approved shop drawings shall be subject to the
Referenced in this section
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 939–939 of 1,217. View official source ↗