Saddletree-NDIP-Project-Description.pdf

County Square � 301 University Ridge � Suite N-2400 � Greenville, SC 29601-3660 � (864) 467-7200

Saddletree Court Drainage Improvement Project

Project Description

Project Location The project site is located on Saddletree Court (J-0260) inside Devenger Place subdivision and Ladykirk Lane (J-0976) inside Carisbrooke subdivision in Greenville, South Carolina. The project site occupies land on private properties. The contractor shall take all the necessary measures to ensure the safety of the public and prevent damage to existing 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 trees and fences and the installation of new storm drainage lines and catch basins. Site stabilization shall include placing inlet protection at new catch basins, fine grading, and grassing of all disturbed areas. The County shall provide staking of the new storm drainage system 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 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

• Fences and gates, as shown on the plans

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

• Mailboxes, as necessary

• Other demolition items as shown on the plans or as necessary to complete the project

Installation of new drainage improvements including:

• ±220 LF of 15” dia. HPP

• ±520 LF of 18” dia. HPP

• ±60 LF of 24” dia. HPP

• (4) 4x4 T9 slab-top yard inlets

• (2) 4x4 junction boxes

• (2) 2x3 drop inlets

Replacement/Reinstallation of:

• Wood rail & chicken wire fences

• Wood privacy fences

• Gates

• Mailboxes

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 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 and plain end pipe inlets as 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.

• Inlet Protection. The contractor shall place inlet protection around new slab-top yard basins as necessary.

• Riprap. Riprap on geotextile fabric shall be placed as shown on the plans.

• 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 120 calendar days for substantial completion of the project to include tree removal, demolition, drainage system installation, 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. County Standard Specifications. Greenville County Standard Specifications shall take precedence over the 2007 edition of the South Carolina State Highway Department Standard Specifications for Highway Construction whenever there is a conflict between the two specifications. Refer to the attached document entitled "Greenville County Public Works Division Standard Specifications ", latest revision, including:

Section 02110 - Site Clearing Section 02200 - Earthwork Section 02270 - Erosion Control Section 02720 - Storm Drainage Section 02830 - Fencing and Gates Section 02930 - Lawns and Grassing Section 02931 - Landscaping

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

4. 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.

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

6. Greenville County Supplemental Specifications: Please refer to the information below addressing rock excavation and blasting.

Rock Excavation

a. Rock will be defined as follows:

General Excavation - any material which cannot be excavated with a single tooth ripper drawn by a crawler tractor having a minimum draw bar pull rated at not less than 56,000 pounds.

Trench Excavation - any material which cannot be excavated with a track mounted backhoe with a bucket curling force of not less than 20,760 pounds. The contractor shall notify the County project manager in writing when rock is encountered to verify rock excavation prior to any rock removal.

b. Rock Quantity Measurement - All rock quantities must be observed, measured, and verified by the County project manager or representative prior to backfilling. In trenches, credit will be given for the rock excavated to a maximum depth of 6" below the pipe invert and a maximum of 18" on each side of the pipe. Rock excavated outside of this zone will not credit.

c. Blasting - If conditions are such that blasting or any use of explosives is required, the Contractor, prior to blasting, shall submit to the County Engineer satisfactory evidence of blasting and explosive insurance in the amounts of bodily injury and property damage insurance required in the Special Conditions and shall provide to the satisfaction of the County Engineer the experience and capability of the Contractor's organization to safely handle and perform such operations. Handling and storing of blasting materials shall be performed only by qualified persons skilled in such work. Adequate precautions shall be taken to prevent accidents, injury to persons or damage to property. Qualifications of blasting operation personnel and safety precautions shall be in full compliance with all codes governing such operations and shall be approved by the County Engineer. Full responsibility for all blasting operations shall remain with the Contractor, and he shall make good any damage that may result.

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

8. 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.

9. 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.

10. 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.

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

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.

Item Submitted By Responsible Party SCDES Land Disturbance Permit Engineer County 401/404 Permit Engineer County SCDOT Encroachment Permit Engineer County Co-Permittee Agreement Contractor Contractor Work zone Traffic Control Plan and Detour Project Plans Contractor SCDES Permit for offsite borrow pits Contractor Contractor

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Rock Excavation