7-Striping General Notes and Technical Specifications 2026.docx

General Notes and Technical Specifications

General Information

Williamson County is seeking qualified companies to provide: Work Zone Pavement Markings (Removal Only), Reflectorized Pavement Markings, Prefabricated Pavement Markings and Rumble Strips, Raised Pavement Markers, and Eliminating Existing Pavement Markings and Markers in accordance with Items 662, 666, 668, 672, and 677 of the Texas Department of Transportation, Standard Specifications for Construction and Maintenance of Highways, Streets and Bridges 2024.

Quantities shown are estimated quantities. The actual quantity purchased may be more or less. The County is not obligated to purchase any minimum amount and the County may purchase any reasonable amount greater than the estimate for the same unit price. Items will be ordered on an “As Needed” basis.

Williamson County reserves the right to award the bid in whole to one contractor or to award a contract on each separate item or combination of items as may be most advantageous to the County.

It is expressly understood and agreed that in case Williamson County should need any item(s) not available within the time frame needed from the successful vendor(s) during the term of this contract, the County reserves the right to purchase the item(s) from vendors other than the successful vendor(s) and shall not be in violation of any terms or conditions of said contract.

Provide three (3) references where like services have been performed by your firm. Include name of firm, address, telephone number and name of representative.

Definition of Terms

County: Williamson County Road and Bridge Division

Contractor: Successful bidder of the attached invitation to bid.

Engineer: Director of Williamson County Road and Bridge Division, or designee

Inspector: Employee of Williamson County supplied to the contractor's crew for the selection, prosecution, and quality control of the work.

Specifications: Texas Department of Transportation Standard Specifications for Construction and Maintenance of Highways, Streets, and Bridges 2024.

Department: Road and Bridge Division

Control of Materials

Source Control. Use only materials that meet Contract requirements. Unless otherwise specified or approved, use new materials for the work. Secure the Engineer’s approval of the proposed source of materials to be used before their delivery. Materials can be approved at a supply source or staging area but may be re-inspected.

Material Quality. Correct or remove materials that fail to meet the contract requirements, for cost incurred if additional sampling and testing is required by a change of source.

Materials not meeting Contract requirements will be rejected, unless the Engineer approves corrective actions. Upon rejection, immediately remove and replace rejected materials.

If the Contractor does not comply with this Article, the County may remove and replace defective material. The cost of testing, removal, and replacement will be deducted from invoice.

Manufacturer Warranties. Transfer to the County warranties and guarantees required by the Contract or received as part of normal trade practice.

Plant Inspection and Testing. The Engineer may but is not obligated to inspect materials at the acquisition or manufacturing source. Material samples will be obtained and tested for compliance with quality requirements. Materials produced under County inspection are for County use only unless released in writing by the Engineer.

If inspection is at the plant, meet the following conditions unless otherwise specified:

· Cooperate fully and assist the Engineer during the inspection

· Ensure the Engineer has full access to all parts of the plant used to manufacture or produce materials.

· In accordance with pertinent items and the Contract, provide a facility at the plant for use by the Engineer as an office or laboratory.

· Provide and maintain adequate safety measures and restroom facilities.

· Furnish and calibrate scales, measuring devices, and other necessary equipment.

The Engineer may provide inspection for periods other than daylight hours if:

· Continuous production of materials for County use is necessary due to the production volume being handled at the plant and

· The lighting is adequate to allow satisfactory inspection.

GENERAL NOTES

Contractor shall provide all traffic control measures to prosecute the work and to ensure a minimum inconvenience to traffic around the construction area. Should the contractor's traffic control measures be found unsatisfactory by the Engineer, or Inspector, striping operations will cease.

An English-speaking Superintendent shall be available on the project at all times when work is being performed.

All equipment involved in roadway work shall be equipped, unless approved otherwise by the Inspector, with a permanently mounted 360 degree revolving or strobe warning light with amber lens. This light shall have a minimum lens height of 5” and a diameter of 5”. The light shall have a mounting height of not less than 6 feet above the roadway surface and shall be visible from all sides.

ITEM 666 – Reflectorized Pavement Markings

Apply markings during appropriate weather conditions, unless otherwise directed. If markings are damaged due to precipitation or other adverse weather conditions, the Contractor is responsible for all costs associated with replacing markings.

ITEM 672 – Raised Pavement Markers

Contractor shall not place a new pavement marker without first removing the old one. This work shall be considered subsidiary to this item. Placement of the new markers shall be in front of the old one.

Contractor shall use bituminous adhesive to bond pavement markers to a bituminous pavement surface and epoxy to concrete roadway surfaces.

Place bituminous adhesive at a temperature range of 380 to 390 degrees Fahrenheit. Place the pavement marker on the bituminous adhesive approximately 20 seconds after the adhesive is placed on the pavement. Ensure that pavement marker rests solely on the adhesive and not the pavement surface. Ensure that a minimum of 1/8 inch layer of bituminous adhesive remains between the pavement marker and the pavement surface after installation.

ITEM 677 - Eliminating Existing Pavement Markings and Markers

Blast cleaning or black paint will not be an accepted method of pavement marking removal. Unless otherwise directed by the Engineer.