540.1 General Description
This work consists of removing and disposing of or salvaging as specified in Subsection 540.3.05.C, Disposal and Ownership of Material all or parts of an existing bridge for the Department’s further disposition. The work includes, but is not limited to, the following: • Removing all or part of the superstructure or the substructure as described in Subsection 540.3.05.A, Extent of Removal. • Excavating to remove the structure unless the excavation is required as a part of another Pay Item. • Necessary backfilling because of the removal or excavation. Parts of the structure removed will not be included in the measurements for any excavation to be paid under another Pay Item.
540.1.01 Definitions
General Provisions 101 through 150.
540.1.02 Related References
A. Standard Specifications Section 201—Clearing and Grubbing Right-of-Way B. Referenced Documents General Provisions 101 through 150.
540.1.03 Submittals
General Provisions 101 through 150.
540.2 Materials
General Provisions 101 through 150.
540.2.01 Delivery, Storage, and Handling
General Provisions 101 through 150.
540.3 Construction Requirements
540.3.01 Personnel
General Provisions 101 through 150.
540.3.02 Equipment
General Provisions 101 through 150.
540.3.03 Preparation
A. Sequence of Operations No existing structure shall be removed or closed to traffic until traffic has been satisfactorily provided for as required by the Plans or the Engineer. No burial will be allowed under any conditions in areas designated by the Department as wetlands.
540.3.04 Fabrication
General Provisions 101 through 150.
540.3.05 Construction
A. Extent of Removal Where culverts will replace an existing bridge, remove portions of the existing bridge, including piling, within the area of the proposed culvert to a minimum depth of 5 ft. (1.5 m) below the flow line of the culvert. Otherwise, do the following: • Remove the superstructures, or parts of them, as shown on the plans. • Remove the entire substructure down to the streambed or the natural ground line unless the plans require that old substructures or parts of them be used as permanent parts of the new structure. • Remove the parts of the substructure that interfere with the new work. Do not leave parts within the limits of an excavation required as part of another Pay Item. • Remove fender systems and dolphins to the streambed. • Leave abutments or end bents in place that do not interfere with the stream flow or the new work if the plans indicate. • If the abutments or end bents must be removed, remove them and slope the existing fill immediately next to them in an attractive manner as determined by the Engineer. B. Care in Removal Use only approved methods to remove an existing bridge and be careful during blasting to prevent property damage or injury. 1. Reuse of Existing Structures Handle existing structures being reused as follows: a. If part of a separate unit of an existing structure will be incorporated into the new structure, remove the part from that unit without blasting. b. If the plans provide for reusing existing reinforcement, clean, straighten, or bend reinforcement to the required dimensions and cut it as an incidental part of this work. c. When existing structures will remain as part of a widened structure, neatly remove parts from the structures. Leave the face of the joint essentially true to the line and plane indicated on the plans. 2. Salvageable Material Handle salvageable material as follows: a. Determine from the plans the parts, if any, to be salvaged for the Department’s further disposition. b. Arrange the salvaging method accordingly. The Contractor shall be responsible for damage to salvageable materials because of carelessness and shall replace or compensate the Department for damaged salvageable materials. c. When a wrecking ball is used, have no blows struck within 24 in. (600 mm) of the edge of any member to be salvaged for the Department. C. Disposal and Ownership of Material Dispose of material as follows: 1. Salvage only the material designated on the plans for salvage. 2. Disassemble this material and neatly stockpile it near the bridge site and above high water. 3. Do not use any materials stockpiled for the Department without written permission from the Engineer. All other materials removed shall become the property of the Contractor, who shall remove them from the bridge site or, if permitted, bury them neatly within the right-of-way, all without additional compensation. Dispose of the above materials according to Subsection 201.3.05.E, Removal and Disposal of Materials.
540.3.06 Quality Acceptance
General Provisions 101 through 150.
540.3.07 Contractor Warranty and Maintenance
General Provisions 101 through 150.
540.4 Measurement
This work will not be measured separately for payment
540.4.01 Limits
General Provisions 101 through 150.
540.5 Payment
This work will be paid for at the Contract Price per Lump Sum, which will be full compensation for all things necessary to complete the work. The cost of excavation needed only to remove or dispose of all or parts of an existing structure, and which is not within the limits of an excavation required as part of another Pay Item, shall be included in the Contract Price for this work. This price shall also include the cost of backfilling excavation performed for these purposes. Payment will be made under: Item No. 540 Removal of Existing Br, Sta No - Per lump sum Item No. 540 Removal of Existing Br, Br No - Per lump sum Item No. 540 Removal of Parts of Existing Bridge, Sta No - Per lump sum Item No. 540 Removal of Parts of Existing Bridge, Br No - Per lump sum
540.5.01 Adjustments
General Provisions 101 through 150.
Removal of Existing Bridge in other states
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