ATT A Special Provisions and Specifications~25.pdf

ATTACHMENT A

SPECIAL PROVISONS & SPECIFICATIONS FOR

LV 2024 OR138E: GLIDE MAINTENANCE PAVING PROJECT

SCOPE

The Work to be done under this Contract consists of the following work located along the North Umpqua Highway (OR138E) between MP 16.35 and MP 17.75 (Glide) in Douglas County, OR. The Work includes, but is not limited to, supplying the materials, equipment, labor, and incidentals to perform the following:

1) Furnish, install, and maintain temporary work zone traffic control.

2) Complete Bridge End Panel and Cold Plane Pavement Removal of asphalt concrete surface, furnish and place Emulsified Asphalt Tack Coat, and furnish and place Level 3, ½” Asphalt Concrete Pavement (ACP) Mixture (PG 64-22) at the following locations and as directed:

Location Length Width Depth

EB: MP 16.35 - MP 17.75 7,000’ 13’ 2”

WB: MP 16.35 – MP 17.75 7,000’ 13’ 2”

The limits of the work areas will be marked on site. See RD610 for additional information.

3) Perform additional and incidental work as noted in the Contract plans and specifications and as directed.

PROJECT INFORMATION

General information pertaining to this project may be obtained from the following:

Blake Howren, District Operations Coordinator Email: Blake.W.HOWREN@odot.oregon.gov

APPLICABLE STANDARD SPECIFICATIONS AND SPECIAL PROVISIONS

Silence of Specifications: The apparent silence of the specifications as to any detail, or the apparent omission of a detailed description concerning any point, shall be regarded as meaning that the highest value commercial practices are to prevail and that only materials and workmanship of first quality are to be used.

Where neither the Special Provisions nor the bid schedule indicate separate payment for the work to be completed under this Contract, perform the work as incidental for which no separate measurement or payment will be made.

mailto:Blake.W.Howren@ODOT.Oregon.gov

SECTION 00210 - MOBILIZATION

Comply with Section 00210 of the Standard Specifications modified as follows:

Construction

00210.40 Mobilization – delete the last bullet of the bullet list. Obtaining and maintaining access to Doc Express® and using Doc Express® to submit documents will not be required on this project.

Payment

00210.90 Payment – delete the last sentence in this subsection.

SECTION 00220 - ACCOMMODATIONS FOR PUBLIC TRAFFIC

Comply with Section 00220 of the Standard Specifications.

SECTION 00221 - COMMON PROVISIONS FOR WORK ZONE TRAFFIC CONTROL

Comply with Section 00221 of the Standard Specifications modified as follows:

00221.00 Scope - Add the following:

Provide work zone traffic control measures conforming to The Oregon Department of Transportation’s Temporary Traffic Control Handbook for Operations of Three Days OR Less, December 2011. Copies of this handbook can be accessed via the internet under “Publications” on the Traffic Engineering and Operations Section web site (Highway Division, Oregon Department of Transportation) at:

2011 ODOT TEMPORARY TRAFFIC CONTROL HANDBOOK (OTTCH)

00221.06 - Traffic Control Plan – Replace this subsection, except for the subsection number and title, with the following:

The Contractor must submit a Traffic Control Plan (TCP) and a Temporary Pedestrian Accessible Route Plan (TPAR) and obtain approval from the Oregon Department of Transportation Project Manager before work may commence on the Project.

SECTION 00222 – TEMPORARY TRAFFIC CONTROL SIGNS

Comply with Section 00222 of the Standard Specifications modified as follows:

00222.40(e) Temporary Sign Placement - Add the following to the end of the bullet list:

https://www.oregon.gov/odot/Engineering/Pages/OTTCH.aspx

• When construction requires bicycles to use the Traffic Lanes, install a "Bicycle ON ROADWAY" (CW11-1) symbol sign on 1/2 mile spacing through the affected area. Keep the signs in place until completion of the Shoulder or bikeway final surface.

SECTION 00223 - WORK ZONE TRAFFIC CONTROL LABOR AND VEHICLES

Comply with Section 00223 of the Standard Specifications.

SECTION 00224 - TEMPORARY TRAFFIC CHANNELIZING DEVICES

Comply with Section 00224 of the Standard Specifications.

SECTION 00225 – TEMPORARY PAVEMENT MARKING

Comply with Section 00225 of the Standard Specifications modified as follows:

00225.90 Payment –

Delete the following Pay Item from the Pay Item list:

(b) Temporary Flexible Pavement Markers................................................ Each

No separate or additional payment will be made for Temporary Flexible Pavement Markers as they are considered incidental to the asphalt concrete paving work required under Section 00745.

The Contractor shall install and maintain temporary flexible pavement markings at no additional cost to the Agency until ODOT forces can restore any permanent pavement markings removed during paving operations.

SECTION 00280 – EROSION & SEDIMENT CONTROL

Comply with Section 00280 of the Standard Specifications modified as follows:

00280.00 Scope - Replace the paragraph that begins "This Work also consists of providing temporary …" with the following paragraph:

This Work also consists of providing temporary erosion and sediment control (ESC) measures and furnishing, installing, moving, operating, maintaining, inspecting, and removing ESC throughout the Project area according to the Standard Drawings, the erosion and sediment control plan (ESCP), the Specifications, or as directed, until the site is permanently stabilized. Included also is the monitoring of weather, of stormwater and receiving waters, the reporting of monitoring observations, the reporting of corrective actions (when necessary) and the updates and revisions of the ESCP, including ESCP cover sheet, necessary to keep it representative of current site conditions and compliant with the 1200-CA permit if applicable.

Delete the paragraph that begins “When contaminants, pollutants or hazardous materials…”.

Add the following paragraph to the end of this subsection:

The Agency’s NPDES 1200-CA permit is not applicable to this Project. Comply with all applicable conditions of this Section.

00280.04 Erosion and Sediment Control Plan on Agency Controlled Lands - Replace the bullet that begins “Information required under 1200-CA…” with the following bullet:

Information required under 1200-CA permit, if applicable.

00280.06 Erosion and Sediment Control Manager - Delete this subsection.

00280.41(f) Hauling Material – Replace this subsection, except for the subsection number and title, with the following:

Cover loads carrying soil or sediment which may generate dust. Haul saturated loads in water tight beds or drain saturated loads prior to leaving the Project Site.

00280.41(g) Underground Injection Controls (UIC) – Replace this subsection, except for the subsection number and title, with the following:

Do not allow storm water from work area to enter Underground Injection Control (UIC) inlets, UIC catch basins or UIC wells.

00280.62 Inspecting and Monitoring – Delete the paragraph that begins “Inspect the Project Site…”.

00280.62(a) Inspection - Replace the paragraph that begins "Perform site inspection, complete…" with the following paragraph:

Inspect the Project Site and all ESC devices for Effective Function and potential erosion or sediment movement and complete all applicable parts of the ODOT Erosion Control Monitoring Form, and submit the form to the Agency as follows:

00280.64(a) Corrective Action Timelines – Delete the bullet that begins “If completion of corrective action is not feasible…”

Delete the bullet that begins “Provide a schedule for clean-up and corrective actions…”

Delete the bullet that begins “Provide all corrective action documentation and photographs…”

Measurement

00280.80 Measurement – Replace this subsection, except for the subsection number and title, with the following:

No measurement of quantities will be made for work performed under this Section.

00280.90 Payment - Replace this subsection, except for the subsection number and title, with the following:

No separate or additional payment will be made for work performed under this Section. Payment is considered incidental to the work described and required under Section 00744.

SECTION 00290 - ENVIRONMENTAL PROTECTION

Comply with Section 00290 of the Standard Specifications modified as follows:

Add the following subsection:

00290.30(a)(7) Water Quality:

• Do not discharge contaminated or sediment-laden water, including drilling fluids and waste, or water contained within a work area isolation, directly into any waters of the State or U.S. until it has been satisfactorily treated (using a best management practice such as a filter, settlement pond, bio-bag, dirt-bag, or pumping to a vegetated upland location).

• Do not use permanent stormwater quality treatment facilities to treat construction runoff unless prescribed by an ESCP approved under Section 00280.

• If construction discharge water is released using an outfall or diffuser port, do not exceed velocities more than 4 feet per second, and do not exceed an aperture size of 1 inch.

• Do not use explosives under water.

• Implement containment measures adequate to prevent pollutants or construction and demolition materials, such as waste spoils, fuel or petroleum products, concrete cure water, silt, welding slag and grindings, concrete sawcutting by-products and sandblasting abrasives, from entering waters of the State or U.S.

• Implement containment measures adequate to prevent flowing stream water from coming into contact with concrete or grout within the first 24 hours after placement.

• Do not end-dump riprap into the waters of the State or U.S. Place riprap from above the ordinary high water line.

• Cease Project operations under high flow conditions that may result in inundation of the Project area, except for efforts to avoid or minimize resource damage.

• The Engineer retains the authority to temporarily halt or modify the Work in case of excessive turbidity or damage to natural resources.

• If Work activities violate permit conditions or any requirement of this subsection, stop all in-water work activities and notify the Engineer.

• Do not cause a visible sediment plume in waters of the State or U.S.

(5) Site Restoration - Restore damaged streambanks to a natural slope, pattern, and profile suitable for establishment of permanent woody vegetation unless precluded by pre-project conditions (for example:

natural rock substrate):

• Replant all damaged streambanks before the first April 15 following construction.

• If use of large wood, native topsoil, or native channel material is required for the site restoration according to the roadside development plans, stockpile all large wood, native vegetation, weed-free topsoil, and native channel material displaced by construction. Cut trees or large wood and trees into pieces of no less than 20 feet in length, or as shown on the roadside development plans or as directed. Stockpiled native wood and vegetation remain the property of the Agency.

• Stabilize all disturbed soils, including obliteration of temporary access roads, following any break in work unless construction will resume in 4 Calendar Days.

(6) Surface Water Diversions - Surface water may be diverted to meet construction needs other than work area isolation, consistent with Oregon law, only if water from sources that are already developed, such as municipal supplies, small ponds, reservoirs, or tank trucks, is unavailable or inadequate, and meeting the following conditions:

• When alternative surface sources are available, divert from the stream with the greatest flow.

• Install, operate, and maintain a temporary fish screen.

• Do not exceed a pumping rate and volume of 10 percent of the available flow. For streams with less than 5 cubic feet per second, do not exceed drafting of 18,000 gallons per day. Do not use more than one pump for each site.

Measurement

00290.80 Measurement - Replace this subsection, except for the subsection number and title, with the following:

No measurement of quantities will be made for work performed under this Section.

00290.90 Payment - Replace this subsection, except for the subsection number and title, with the following:

No separate or additional payment will be made for work performed under this Section. Payment is considered incidental to the work described and required under Section 00744.

SECTION 00503 - BRIDGE DECK COLD PLANE PAVEMENT REMOVAL

Comply with Section 00503 of the Standard Specifications.

SECTION 00620 - COLD PLANE PAVEMENT REMOVAL

Comply with Section 00620 of the Standard Specifications modified as follows:

00620.43 Maintenance Under Traffic - Replace this subsection, except for the subsection number and title, with the following:

Traffic is not allowed on the cold planed surface. Before opening the area to traffic, pave the surface according to 00744.51.

SECTION 00730 - EMULSIFIED ASPHALT TACK COAT

Comply with Section 00730 of the Standard Specifications modified as follows:

00730.90 Payment - Replace this subsection, except for the subsection number and title, with the following:

No separate or additional payment will be made for Emulsified Asphalt tack coat as it is considered incidental to the work required under Section 00744.

SECTION 00744 - ASPHALT CONCRETE PAVEMENT

Comply with Section 00744 of the Standard Specifications modified as follows:

00744.11(a) Asphalt Cement - Add the following to the end of this subsection:

Provide PG 64-22 grade asphalt cement for this Project.

00744.16 Sampling and Testing - Replace this subsection, except for the subsection number and title, with the following:

For each 1,000 Tons of placement, have a CAT I perform a minimum of one of each of the following test methods as modified in the MFTP:

• Asphalt Content - AASHTO T 308 with ODOT TM 323 determined Calibration Factor

• Gradation - AASHTO T 30

• Mix Moisture - AASHTO T 329

• Maximum Specific Gravity - AASHTO T 209

• Field Compacted Gyratory Specimens - ODOT TM 326

When less than 1,000 Tons of mix is placed in a Day, perform a minimum of one series of tests per Day.

Provide test results to the Engineer by the middle of the following work shift. The Engineer may waive the requirement for any of AASHTO T 308, AASHTO T 30, AASHTO T 329, and ODOT TM 326 on a daily basis. The Engineer may waive the requirement for AASHTO T 209 when less than 500 Tons of ACP is placed in a single work shift.

Provide samples or split samples to the Engineer when requested.

00744.17 Acceptance - Replace this subsection, except for the subsection number and title, with the following:

If the test result for each mix gradation constituent, asphalt content, and density measurement is within the specification limits, the material will be accepted. If the asphalt content, one or more gradation constituents, or the density measurement are not within the specification limits, the material that is not within the specification limits will be accepted according to 00150.25.

00744.41 Mixing Temperature - Replace the table with the following:

Temperature, °F Type Maximum Minimum Behind at Mixer Paver

HMAC 350 240

WMAC 350 215

00744.49 Compaction - Replace the paragraph that begins "Determine compliance with…" with the following paragraph:

Determine compliance with density Specifications by random testing of the compacted surface with calibrated nuclear gauges. Determine the density by averaging QC tests performed by a CDT with the nuclear gauge operated in the backscatter mode according to AASHTO T 335 at one random location for each 100 Tons of asphalt concrete placed, but take no less than three tests each shift. Do not locate the center of a density test less than 1 foot from the Panel edge. Calculate MAMD according to ODOT TM 305.

The Engineer may waive compaction testing requirements when less than 500 Tons of ACP is placed in a single work shift.

Add the following subsection:

00744.51 Opening Sections to Traffic - Schedule work so that, during the same shift, the surfaces being paved are paved full width and length through the wearing Course before opening to traffic.

GENERAL NOTES:

All pavement markings will be replaced by ODOT forces. Temporary pavement markings to be furnished, placed, and maintained in accordance with Section 00225 by the Contractor at no additional cost to the Agency until ODOT forces can restore the permanent pavement markings.