SECTION 500 – CONCRETE PAVEMENT

NONE

SECTION 600 – INCIDENTAL CONSTRUCTION

USP-21 PROTECTION OF FIELD TILE

This item shall include all labor, equipment and materials necessary to remove and replace or extend any field tiles that may be uncovered during the Work, in accordance with 715 and 719. Field tiles encountered and affected by the scope of work specified within the contract documents, if any, shall be given a positive outlet.

The pay item “Field Tile, Undistributed” shall apply to this work and shall be used for all field tiles up to and including 15 inches in diameter that are uncovered during the construction operations.

Contract Documents Unique Special Provisions

Porter County Department of Development & Storm Water Management 137 January, 2021

SECTION 700 – STRUCTURES

USP-22 AUTOMATIC DRAINAGE GATES

This work shall consist of furnishing and placing cast-iron, automatic, hinged, flap-gate valves to the outlet ends of pipe or headwalls in accordance with 105.03.

Materials

The cast-iron flap and seat shall be machined accurately to ensure water tightness. They shall be in accordance with the applicable requirements of INDOT Standard Specifications 910.05(b).

Construction Requirements

The gate shall be constructed to offer minimum resistance to water flowing through it. When the water elevation in the outlet stream is 1/2 in. or more above or below the bottom of the valve, the valve shall close or open, as the case may be. The valve shall be able to resist a head of at least 10 ft. The end of the pipe, or headwall, to which the flange is attached shall be vertical and the flange attached thereto either with rivets, bolts, or other approved means.

Method of Measurement

Automatic drainage gates will be measured by the number of units installed. Basis of Payment

The accepted quantities of this work will be paid for at the contract unit price per each for automatic drainage gate, of the size specified, complete in place.

If the gate is fastened to the end of a pipe, no additional payment will be allowed for that portion of pipe extending beyond the outside face of the headwall.

SECTION 800 – TRAFFIC CONTROL DEVICES AND LIGHTING

USP-23 MAINTENANCE OF TRAFFIC

The Contractor shall be responsible for installing and maintaining all construction signs and traffic control items to properly maintain the roadway closure. Current roadway closure measures will remain the property of the Owner. The Contractor shall be responsible for ensuring that the signs and barricades are in working order and have not been damaged each day of operations.

Construction signs shall be placed in accordance with the Indiana Manual of Uniform Traffic Control Devices. Following the reopening of the road, the Contractor shall deliver to Porter County storage areas or dispose of existing roadway closure measures as directed by the Engineer.

All labor, materials, equipment, and incidental work necessary to perform this work, shall be included in the pay item “Maintaining Traffic”.

Contract Documents Unique Special Provisions

Porter County Department of Development & Storm Water Management 138 January, 2021

SECTION 900 – MATERIAL DETAILS

USP-24 MATERIAL DELIVERY TICKETS

The Contractor, at no expense to the Engineer or Owner, shall furnish the Engineer material delivery tickets for bituminous mixture, concrete, and aggregate which is specified for measurement by weight and/or volume. The tickets shall be prepared at the weighing site by the Contractor or his representative and shall contain the following information: Ticket Serial Number, Date, Source of Supply, Material Designation (size and type), Truck Number, Time Weighted, Gross Weight (DR entered here if scale is direct reading type), Tare, and Net Weight. The original or duplicate tickets shall be provided to the Owner.

Material delivery tickets shall be grouped by material, then date when submitted to the Engineer. Material delivery ticket collection will not be paid for directly but shall be included in the cost of the other items in the Contract.

USP-25 MATERIAL ACCEPTANCE

All aggregate, ready mixed concrete, and HMA materials used for the project shall be produced from a supplier listed on the INDOT Approved Materials List. The Contractor shall submit the names and addresses of the suppliers of these materials for the project to the Engineer at the pre-construction conference.

USP-26 MATERIAL TESTING

The Contractor shall perform all testing and sampling of materials as hereinafter specified. The frequency for such testing and sampling shall be as specified in the current INDOT Manual for Frequency of Sampling and Testing and Basis for Use of Materials Parts One and Two. The Contractor shall furnish certified tests for the following materials, which are to be made by an independent laboratory approved by the Engineer. The testing laboratory shall be AASHTO R-18 accredited. The cost of providing samples and testing will not be paid for directly but will be included in the cost of other items.

CONCRETE

Advance Concrete Tests: Concrete tests shall be conducted in accordance with A.S.T.M. Serial Des. C-39 or C-78, for compliance with the requirements of these specifications.

The minimum compressive strength at 28 days shall be: Class “C” Concrete, 4000 p.s.i.

Class “A” Concrete, 3500 p.s.i. Class “B” Concrete, 3000 p.s.i.

Concrete test specifications shall be in accordance with AASHTO Des. T-23; cylinder specimens shall be tested in accordance with AASHTO T-22, and test beams shall be treated in accordance with AASHTO Des. T-97.

If the Contractor desires to remove forms sooner than as specified in Article 702.13, he shall make test beams to provide information for stripping forms. Equipment for testing these beams shall be furnished by the Contractor.

Contract Documents Unique Special Provisions

Porter County Department of Development & Storm Water Management 139 January, 2021