Attachment A.pdf

Ill. SCOPE OF WORK/SPECIFICATIONS

The South Carolina Department of Transportation (SCDOT) is soliciting bids to furnish and install a catch basin within the right-of-way on N. Guignard Drive in Sumter SC. The contractor shall replace concrete sections of curb and gutter, sidewalk, constructing new type 16 catch basin curb and converting existing curb and gutter. All work shall conform to the SCDOT Standard Specifications (latest edition), the SCDOT Standard Drawings for Road Construction, and these supplemental specifications.

Description:

The work specified in this contract consists of the replacement of Portland cement concrete curb and gutter, sidewalk, and conversion of a Types 16 catch basin on N Guignard Dr in City of Sumter. This work shall consist of all materials, labor, equipment, tools, and incidentals necessary to perform the work specified in this contract. It shall also include the proper clean up and disposal of any materials. SCDOT is expected to furnish traffic control that must conform to Part V of the South Carolina Manual on Uniform Traffic Control Devices for Streets and Highways (as described below under Work Zone Traffic Control.)

All concrete shall conform to the requirements as specified. The removal of the existing sidewalk, curb and gutter, and throat shall be performed so as not to damage the existing catch basin brickwork, adjacent pavement edge, adjacent concrete or adjacent structures or property. If pavement must be removed to accommodate the new structure, it will be saw cut to provide an acceptable pavement edge. The amount of removal will be deemed as the amount necessary to successfully convert the catch basin and provide the proper drainage. The new catch basin top and throat shall be formed, graded, placed and finished in accordance with the attached Standard Drawings. All concrete associated with the conversion is to be Class 3000 concrete. Concrete shall be thoroughly consolidated against the faces of all forms and joints, including concrete previously constructed.

The existing concrete shall be removed to the dimensions indicated by the SCDOT representative, with the face of the cut being straight and vertical. Areas to be removed will be indicated using pink paint. Concrete shall be formed, graded, placed, and finished in accordance with the attached Standard Drawings. Any expansion joint material damaged or removed during the concrete removal and grading process shall be replaced. The concrete used for replacement shall be an SCDOT approved Class 3000 Portland Cement Concrete mix from an SCDOT certified concrete plant.

All sidewalks shall be 4" in depth unless otherwise specified and shall match the existing sidewalk in width. Concrete shall be thoroughly consolidated against the faces of all forms and joints, including concrete previously constructed, by means of vibrators inserted in the concrete.

Finishing of concrete shall be performed so as to produce a smooth finish. After concrete begins to set, a brush finish shall be applied. Immediately afier finishing operations are complete, the concrete shall be cured with an approved curing compound or by other methods approved by the SCDOT representative. Pre-cast lids are preferred however specifications must be supplied prior to their use, The work will include Pay Items:

l . Remove approx. 10' x 51 Sidewalk & Curb and Gutter.

2. Remove approx. 10t x 5' wide asphalt from roadway.

3. Install a Type 16 Catch Basin.

4. Tie back with 150RCP pipe in to an existing 36" RCP pipe.

5. Backfill 140t of 4" Trench Drain with flowable fill.

6. Replacing all material to SCDOT Standard Drawing.

The Contractor shall complete all services and submit proper invoices.

The Contractor shall perform all services, including traffic control, in accordance with 2007 Standard Specifications for Highway Construction. (httpwwww.scdotorg/doing/construction StandardSpecias2ö)

SCDOT's Standard Drawings can be accessed through the following link http://www.scdot.orgdoing.\sd disclaimer.p.x

Work Zone Traffic Control:

Work Zone Traffic Control — General:

SCDOT shall provide WORK ZONE TRAFFIC CONTROL. work zone Traffic Control (including devices, placement, equipment/vehicle requirements, and worker requirements) shall comply with these specifications, all supplemental specifications, the Engineer, and the latest editions ofthe following documents: o Manual of Uniform Traffic Control

Devices (MUTCD) o SCDOT Standard Specificationsfor Highway Construction o Approved Products List for Traffic Control Devices in Work Zones http://infQ.scdot.pn/Cons$ruc$ion

O Applicable SCDOT Traffic Engineering Standard Drawings (See APPENDIX 1-3. For the standard drawing that is applicable for this work)

Engineering Directive No. 32 Hourly Restrictions for Lane Closures on Interstates and Primary Routes (For areas where dual lines of cable guardrail are in place on the interstate requiring the work be conducted under lane closures) o http://infQ.$d9t.org/Construction D/sipepqgestF.»gineering directives.aspx

All Work Zone Traffic Control devices shall be appropriate/proper for the given work zone and shall be in place before work commences each business day. The Engineer shall direct the Contractor to suspend operations at any time Work Zone Traffic Control is not compliant. The Contractor shall take immediate action to correct any Work Zone Traffic

Control deficiency. No work shall proceed until the deficiency is corrected. All Work Zone Traffic Control devices shall be promptly removed when work is complete each day.

The Contractor shall be responsible for establishing a safe work area to motorists and pedestrians while working and for leaving the area safe during non-working hours. Adequate provisions shall be made for the protection ofthe highway traffic at all times during all activities. The work shall be planned and carried out to minimize the inconvenience to the traveling public and adjacent landowners. All Work Zone Traffic Control devices, except for Category IV devices, shall comply with the requirements of the National Cooperative Highway Research Program Report 350 (NCHRP Report

350) httv;//onlineoubs.trb.ore/onlineoubs/nchro/nchro rot 350-a.Ddf

An approved products list has been developed and only those traffic control devices listed on the "Approved Products List For Traffic Control Devices In Work Zones" are considered acceptable. This approved products list also includes the implementation dates and any special conditions or restrictions for each device. The approved products list is available on the following SCDOT intranet website:

httD://www.scdot.org/doing/technicalPDFs/pubIicationsManuals/tramcEngineering/NCHRP350List ALL2.pdf

Lane closures may be restricted to specific days and times by the Engineer. The primary route highway will not be affected by this work and no lanes on the primary route will be closed during the activity. All necessary traffic control including, detours, lights, barricades, warning signs, flagmen, etc. shall be provided and provided for by the Contractor.

Work Zone Traffic Control - Signs, Sign Stands, Etc.:

Subsections 601.1, 601.2, 601.3 and 601.4 of the shall apply. All signs mounted on portable sign supports shall have a minimum mounting height of five feet from the ground to the bottom of the sign. Signs shall be reasonably clean and clearly legible. Signs that are faded/deteriorated/illegible are not acceptable. Flagmen, warning signs, barricades, and/or other suitable protective devices shall be placed not less than five hundred feet in each direction from the work site while loading or unloading materials or equipment.

Work Zone Traffic Control - Equipment Requirements:

All work vehicles shall at a minimum have a top-mounted amber color warning light that is fully operational. This light shall meet the Society of Automotive Engineers (SAE) Class I standards and must provide 360 degree visibility. A standard Slow Moving Vehicle (SMV) emblem shall be mounted on the rear of all slow-moving equipment. All equipment shall conform to the prevailing OSHA standards.

Work Zone Traffic Control - Worker Requirements:

The Contractor shall be responsible for the safety and health of all [his/her] workers on the job and shall comply with all applicable provisions of the Occupational Safety and Health Act (OSHA) as well as state regulations At a minimum, workers shall wear a class Il safety vest in accordance with Federal Highway Administration (FHWA) Worker Visibility Rule. All high-visibility safety apparel is required to have an orange-red background. Faded/deteriorated vests are not acceptable. For specific worker safety requirements, the bidder/Contractor should contact the South Carolina Department of Labor, Licensing and Regulation

Special Provisions:

Contractor shall notifr' Resident Maintenance Engineer's office 24 hours prior to beginning any work. Work is to begin within two weeks of the Purchase Order issuance.

All work shall conform to recognized standards of construction and shall be performed in a workmanlike manner.

Adequate provisions shall be made for the proper drainage ofthe highway. All work shall be subject to the supervision and satisfaction of the Department.

A minimum often feet ofcurb and gutter and/or sidewalk on either side of each catch basin top must be removed in order to ensure a proper tie-in unless otherwise directed by the Engineer.

Contractor shall furnish all labor, equipment and materials necessary to meet minimum standards for traffic control as outlined in Part V of the South Carolina Manual on Uniform Traffic Control Devices for Streets and Highways, In the event the department discovers the contractor has failed to utilize acceptable traffic control devices and procedures and provide traffic control as outlined by the SCMUTCD, the contractor shall be promptly notified. If the contractor fails to immediately correct the condition, then all work shall be suspended until such conditions are corrected. The department shall have the authority to withhold partial payment for any work on this contract if the contractor has failed to utilize acceptable traffic control devices and procedures and provide traffic control as outlined by the SCMUTCD.

Lane closures shall be prohibited during Holidays, weekends, special events, and peak traffic times. Peak traffic times are from 7:00a.m. to 9:00a.m. and 4:00p.m. to 7:00p.m. No work shall be performed on roadway rights-of-way during times of darkness or inclement weather. The department reserves the right to suspend a lane closure ifany resulting traffic backups are deemed excessive.

The work is intended to be turnkey job with no payment made until acceptance by the Resident Maintenance Engineer's office. Completed work shall consist of all necessary concrete work and finishing, necessary tie-ins (dressing with topsoil, or tying in with asphalt as necessary), and clean up. The Contractor is responsible for leaving work area safe to motorists and pedestrians during non- working hours.

"CALL BEFORE YOU DIG." The contractor is responsible for utility locations and relocations.

All work shall be done in accordance with all specifications given in the bid package and to the satisfaction of the Resident Maintenance Engineer or his designee. Inclement weather, scheduling changes, billing, or the reporting of any damages caused by the contractor shall be directed to the Richland Maintenance Office.

DELIVERY DATE -- PURCHASE ORDER

Work must begin within fourteen (14) days of issuance of purchase order and must continue until completed unless approved otherwise by the County.