Project_Specifications_Great_Glen_Road_Drainage_.pdf

PROJECT SPECIFICATIONS

GREAT GLEN ROAD DRAINAGE IMPROVEMENTS, IFB #25016

1. The contractor shall take all the necessary measures to ensure the safety of the public and not to damage the utility lines or properties.

2. The contractor shall be responsible for any damage(s) occurs to the utility lines, private properties and shall be responsible for the required repairs at contractor’s expense.

3. Contractor shall coordinate with the local utility locating service and/or the utility providers to locate all underground utilities within the project limits, and it is the Contractor’s responsibility to take whatever precautions necessary during construction to safeguard the condition of the underground utilities.

Existing underground utilities on the public and private lands may not be shown or, if shown, they may not be shown in their entirety.

4. Contractor shall be required to remove existing vegetations, fences, asphalt, Curb and existing storm drainage systems to be re-placed with new.

5. The contractor shall coordinate with utility companies to identify utilities, prior to start construction.

6. The contractor shall submit detour plans and have the plans approved by the County prior to any road closing.

7. The contractor to adhere to all Greenville County and SCDOT Requirements.

8. The contractor shall ensure proper notifications to County and citizens of road closure prior to closing.

9. Contractor shall obtain, maintain and restore the staging area.

10. Contractor shall notify each property owner prior to saw cutting driveway in order to move vehicles out.

11. Contractor shall demolish, remove and dispose of existing drainage system, driveway aprons, curbs, trees, plant material, etc. as necessary to make room for the new drainage system and road improvements.

12. Contractor shall remove and re-install mail boxes.

13. Contractor shall ensure sprinkle system functions prior to starting any work, and restore operational systems after work has been completed.

14. Contractor shall install drainage structures with manhole covers as specified.

15. Contractor shall remove existing asphalt pavement, and adjust concrete driveways.

16. Contractor shall install concrete collar around all new yard Inlets.

17. Contractor shall replace existing concrete/asphalt curb and driveways impacted by the project.

18. Contractor shall Install asphalt surface, driveways and curb in impacted areas, as directed by engineer.

19. Contractor shall install and maintain erosion control measures to include perimeter control devices, inlet protection devices, sediment traps, erosion control blanket (ECB), temporary stone check dams, temporary mulching/grassing, and other measures for stabilization as needed.

20. Contractor shall ensure proper installation of permanent grassing/stabilization of all disturbed areas and remove all sediment controls and accumulated sediment after permanent grassing is established to match each yard.

21. Contractor shall substantially complete project within ninety (90) Calendar Days project to include all demolition, storm drainage installation, roadway recycling, paving, fine grading, clean up and permanent grassing. Final punch list items, removal of erosion control devices and project close-out shall be accomplished within 15 days after substantial completion.

22. The Contractor may be subject to liquidated damages per SCDOT Specifications, Section 108.9, or as up to the value of the contract (total bid), if the contractor fails to substantially complete the work within the specified time. The penalty may be drawn from any payment due, or the performance bond, at the discretion of the County of Greenville.

23. Contractor shall refer to the erosion and sediment control plan for BMPs to be installed on the project.

The contractor is responsible for erosion control. The Best Management Practices (BMPs) to be used on the site are as follows:

a. Sediment Tubes. Sediment tubes on the upstream and downstream ends of the excavation for the new box culvert.

b. Grassing. Grassing of all disturbed areas on the project site has been specified with appropriate mixtures of various seed varieties based on the planting season. The contractor is to coordinate with each property owner about the grassing schedule.

24. Contractor shall ensure that inspections, certifications, and testing responsibilities are directed in accordance with the below chart. The costs for providing inspections, testing and certifications including labor, equipment, transportation, consumables, and any other incidental costs shall be borne by the responsible party. Any repeat inspections, certifications, or testing required for rework and/or to rectify substandard work or materials on the project shall be provided by and paid for by the responsible party.

Item or Activity Performed By Responsible Party Field Density (compaction) Independent Laboratory Contractor Road Sub grade (proof-roll) Contractor Contractor Concrete Testing Conc. Supplier or Laboratory Contractor Material Certifications Material Supplier Contractor Project Daily Safety Report Project Superintendent Contractor Work zone Traffic Control Review Project Superintendent Contractor CEPSCI Inspections Licensed CEPSCI Inspector County Shop Drawings Submitted by

Supplier/Contractor Reviewed by County

25. Specifications pertain to written standards and requirements for materials, construction procedures, testing, quality control, and workmanship for the project. The specifications to be used for the project shall include, but are not be limited to the following:

• Construction Plans: Designed by Greenville County, specifications are shown as notes, text, and details in the project design plans.

• SCDOT Standard Specifications: All workmanship and materials provided on the project shall conform to the requirements contained in the South Carolina Department of Transportation Standard Specifications for Highway Construction (Edition of 2007) including applicable addenda and errata issued by SCDOT and with amendments as noted in the General Conditions.

• SCDOT Supplemental Specifications: All workmanship and materials provided on the project shall conform to all applicable supplemental specifications issued by SCDOT.

• SCDOT Standard Drawings: The contractor shall comply with current Standard Drawings (English version) issued by SCDOT.

• Unspecified Items: Any items shown in the construction plans which are not covered in the SCDOT Standard Specifications shall comply with the current County of Greenville Engineering Department Standard Specifications.

• Precedence: Any apparent discrepancies between project plans and specifications should be called to the attention of the City/County Project Manager for resolution. Until resolution is issued in written form, project plans have precedence over specifications.