Cannon_Circle_NDIP_Project_Description_for_bids.doc

Greenville County Public Works Department Engineering/Maintenance Division off. (864) 467-7017, mob. (864) 982-7155 E-mail: jhamam@greenvillecounty.org

Cannon Circle Drainage Improvements Project Project Description

Project Location

The project site is located on Cannon Circle (F-0051), off Griffin Road, in the Pine Brook Forest Subdivision in Greenville, South Carolina. The project site occupies land on the County right of way and on private parcels. The contractor shall take all the necessary measures to ensure the safety of the public and prevent damage to County roads/infrastructure, utilities, and private property.

Project Scope

The main purpose of the project is to improve the drainage system. The work consists of the demolition/removal of the existing drainage system and the installation of new storm drainage lines and catch basins. The contractor shall remove existing asphalt and curbs and place new asphalt pavement and extruded curb after the pipe installation. Site stabilization will include placing rip rap at the pipe inlets/outlets, fine grading and grassing of all disturbed areas. The County will provide staking of the new storm drainage system, curbs, driveways, etc. including alignments and elevations, therefore, a line item for construction staking is not included in the bid schedule.

Utility Protection

The contractor is required to contact utility providers and coordinate the location of utilities lines located in proximity to the project site, including but not limited to: gravity sewer main, sewer force main, sewer services, gas main, gas services, water main, water services, power lines, and communication cables. The contractor shall be responsible for any damage occurring to utility lines on the project site and shall be responsible for the required repairs at contractor’s expense.

Project Specifics

The project includes, but is not limited to, the following:

Demolition/removal/disposal of:

· Sections of the existing drainage system, as shown on the plans

· Asphalt pavement, concrete curbs, and driveways, as shown on the plans

· Fences and gates, as shown on the plans

· Selected trees and plant materials, as shown on the plans

· Mailboxes, as necessary

· Lawn sprinkler systems, as necessary (Note: The contractor shall check the sprinkler system before work starts and restore the system after work has been completed.)

· Other demolition items as shown on the plans or as necessary to complete the project Installation of new drainage improvements including:

· Approximately 280 LF of 30” dia. HPP

· (2) T9 slab-top basins with concrete aprons (curb inlets)

· (2) T9 slab-top basins (yard inlets) Replacement/Reinstallation of:

· Roadway pavement

· Driveways

· 6" extruded curb

· Chain link fences

· Wood privacy fences

· Gates

· Mailboxes

· Lawn sprinkler systems Site Stabilization consisting of:

· Silt fences during construction, as necessary

· CB inlet protection during construction, as necessary

· Class C riprap w/ geotextile fabric

· Fine grading & grassing of all disturbed areas Miscellaneous Items including:

· Contractor shall follow all Greenville County and SCDOT requirements.

· Contractor shall ensure all proper notifications to county and residents before road closure.

· Contractor is responsible for obtaining, maintaining and restoring the staging area.

· Contractor shall provide a contained area for concrete truck washout, such as a plastic drum or child swimming pool, to be removed from the site at the end of the project.

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

· Contractor shall use flowable fill for the existing drainage system to be abandoned in place.

· Contractor shall backfill new pipes with select material and/or stone as instructed by Design Engineer.

Sediment Control Measures The contractor is responsible for erosion and sediment control. Please refer to sheets Dt-1 and Dt-2 for erosion and sediment control measures to be installed on the project site as needed to meet regulatory standards and minimize impact to downstream properties. Sediment Control Measures (SMCs) to be used on the site consist of, but are not limited to the following:

· Silt Fences. The contractor shall install silt fences as needed to contain sediment from construction activities.

· Sediment Tubes. Sediment tubes shall be placed in front of new curb inlets if necessary.

· Temporary Check Dam. A temporary check dam shall be placed at the downstream end of the new outfall to contain sediment from site disturbance, if necessary.

· Riprap. Riprap on geotextile fabric shall be placed at the inlet and outlet of the new drainage system.

· Grassing. Grassing of all disturbed areas on the project site has been specified with appropriate mixtures of seed varieties based on the planting season. Where applicable, the contractor shall coordinate with each property owner about the grassing type and schedule.

Project Duration

The contractor shall be allowed 90 calendar days for substantial completion of the project to include tree removal, demolition, drainage system installation, roadway patching, curbs, driveway replacement, fence replacement, fine grading, clean up and permanent grassing and all other items shown on the project plans. Final punch list items, removal of erosion control devices and project close out shall be accomplished within 15 days after substantial completion.

SPECIFICATIONS REFERENCE:

1.

Definition: 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:

2.

Construction Plans: Project Plans, specifications are shown as notes, text, and details in the project design plans.

3.

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.

4.

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

5.

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

6.

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.

7.

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

8.

Special Conditions:

A.

Underground Utility Protection: Existing underground utilities on the public and private lands may not be shown or, if shown, they may not be shown in their entirety. It is the Contractor’s responsibility to 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.

B.

Contact Agencies: The following is a list of contacts for the project. The names and numbers are subject to change, so the Contractor is responsible for verifying the information provided below:

County Project Manager - Jamal Hamam (864) 982-7155

Greer CPW - Kevin Reardon, (864) 848-5500, kevin.reardon@greercpw.com

Western Carolina Sewer Authority - Zac Dukes, (864) 299-4020 EXT 213 Metro Sewer District - Richard Riddle, (864) 277-4442

Greenville Water System - Wayne Benson, (864) 241-6100

Piedmont Natural Gas - Carlos Roper, (864) 286-7882

Duke Energy Corporation - Tom Ramsey, (864) 230-1226

AT&T - Mike Nat, (864) 298-1856

Charter Communications - Derry Rollins, (864) 209-0379

C.

Contract Time: All work specified herein must be substantially completed in 120 calendar days from Notice to Proceed. If the contractor fails to substantially complete the work within the specified time, liquidated damages per SCDOT Specifications Section 108.9 may be assessed up to value of the contract (total bid). The penalty may be drawn from any payment due, or the performance bond, at the discretion of the County of Greenville.

D.

Inspections, Certifications, and Testing Responsibility: On this project, the contractor shall have a quality control superintendent and/or independent laboratory. The parties responsible for providing inspections, certifications and testing on the project are shown in the table below. 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.

E.

Permitting Responsibility: On this project, the parties responsible for regulatory permitting are shown in the table below. The costs for preparing, submitting, revising and obtaining the necessary permits including labor, equipment, transportation, consumables, and any other incidental costs shall be borne by the responsible party.

(end of document) County Square (301 University Ridge( Suite 3800 ( Greenville, SC 29601-3660( Fax (864) 467-7161 County Square 301 University Ridge Suite 100 Greenville, SC 29601-3660 Fax (864) 467-7151