543.1 General Description
This work consists of constructing the bridge complete as shown in the contract. The work includes furnishing and placing all bridge components from the bottom of the cap to the top of the superstructure.
543.1.01 Definitions
General Provisions 101 through 150.
543.1.02 Related References
A. Standard Specifications Section 211—Bridge Excavation and Backfill Section 500—Concrete Structures Section 511—Reinforcement Steel Sections 500 to 542 B. Referenced Documents AASHTO Specifications
543.1.03 Submittals
A. Alternative Designs The Contractor may submit for approval an alternative design for the portion of the bridge between the top of the superstructure and the bottom of the cap. The alternative design shall meet the following criteria: • The design conforms to current AASHTO specifications, including the latest Interim Specifications. • The design live load is HS20-44, including impact. Submit the design to the Bridge Engineer for review and approval. Do not begin Work or order materials until the Bridge Engineer approves the plans in writing. Include the following in the alternative design: • Three copies of the plans bearing a Professional Engineer’s Stamp of Approval. • The Engineer may require additional copies of the plans. • Two copies of complete design notes for the elements of the structure that are a part of the alternate design. • Bridge Plans developed and published by industry organizations, Federal Highway Administration, and other States may be acceptable without design notes. However, the Bridge Engineer will judge the acceptability of the design notes and the plans. If the Bridge Engineer does not accept the design, construct the bridge according to the Contract Plans.
543.2 Materials
Use materials that meet the requirements of the applicable Materials sections of the specifications. Material references are listed in the specification sections pertaining to the item of work.
543.2.01 Delivery, Storage, and Handling
General Provisions 101 through 150.
543.3 Construction Requirements
543.3.01 Personnel
General Provisions 101 through 150.
543.3.02 Equipment
General Provisions 101 through 150.
543.3.03 Preparation
General Provisions 101 through 150.
543.3.04 Fabrication
General Provisions 101 through 150.
543.3.05 Construction
A. Bridge Construction Construct bridges under this specification according to the drawings. B. Order Lengths for Prestressed Concrete Pile The prestressed concrete pile order lengths shown on the plans are the estimated pile lengths. On bridges with more than four bents, the estimated pile lengths shown on the plans apply to the first four bents constructed. The Engineer will adjust the pile order lengths for the remaining bents based on the pile driving for the first four bents constructed. Instead of using Plan lengths or lengths determined by the Engineer, the Contractor may determine order lengths by furnishing and driving a test pile in a permanent pile location. There will be no additional compensation for this test pile.
543.3.06 Quality Acceptance
General Provisions 101 through 150.
543.3.07 Contractor Warranty and Maintenance
General Provisions 101 through 150.
543.4 Measurement
Bridge construction complete to the bottom of the substructure caps will be measured for payment based on a lump sum basis for the bridge complete, accepted in place.
543.4.01 Limits
A. Lump Sum Inclusions and Exclusions The lump sum includes payment for superstructure elements and substructure caps. The lump sum does not include the cost of piling portions embedded in the substructure caps as shown on the plans. B. Concrete Bent Measurement Where foundation conditions require the use of a concrete bent instead of a trestle pile bent, concrete and reinforcement steel below the bottom of the substructure cap will be measured and paid for according to Section 500, Section 511, and Section 211.
543.5 Payment
This work will be paid for at the Contract Unit Price bid. Payment will be full compensation for furnishing all materials and completing the Item according to these specifications. Payment will be made under: Item No. 543-1100 Construction of bridge complete to bottom of cap Per lump sum
543.5.01 Adjustments
Statements for partial payment include: Item Payment Caps, each 20% of Item 543 divided by number of caps Superstructure, per span 80% of Item 543 divided by number of spans
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