Attachment B - Specifications~7.pdf

Project Name:

I-205 SUP: Maywood Park Bollards

Work to Be Done:

Furnish and install TrafficGuard 4.5” Outside Diameter Locking Top Lock High Security Bollards (TL1004HS) Locking Top Lock High Security Series [TL1004HS] (trafficguard.net) and additional and incidental work as called by Specifications and Plans.

Installations are on the I-205 Shared User Path (SUP) at the following three sites:

Site 1: Both ends of the SUP pedestrian bridge over the westbound I-84 to northbound I-205 ramp

Site 2: SUP entry at NE Campaign Street cul-de-sac Site 3: SUP entry on the eastbound side of NE Prescott Avenue

Specifications:

The Oregon General Conditions for Public Improvement Projects and Section 200 and above of the 2021 Oregon Standard Specifications for Construction (Standard Specifications) apply to this Invitation to Bid (ITB) and the resulting contract.

Sections in Part 00100 of the Standard Specifications (General Conditions) are not applicable to the Contract unless they are specifically identified in the Plans and Special Provisions as being applicable. However, if a Part 00100 section that has been identified as being applicable references another section in Part 00100, or a technical specification (Parts 00200 and beyond) references a section from Part 00100, that section from Part 00100 applies to the Contract for purposes of supporting and giving full effect to the specification that referenced it.

Some sections of the Standard Specifications are identified and modified in the Special Provisions below. Sections of the Standard Specifications not identified in the Special Provisions remain applicable to the contract according to their original items.

All number references in the Special Provisions below shall be understood to refer to the sections and subsections of the Standard Specifications bearing like numbers.

The State of Oregon General Conditions for Public Improvement Projects is available at:

https://www.oregon.gov/das/Procurement/Guiddoc/GenCon4PI.pdf

The Standard Specifications is available at:

https://www.oregon.gov/odot/Business/Specs/2021_STANDARD_SPECIFICATIONS.p df

Work performed shall also comply with:

Contract Supplemental Specifications TrafficGuard Specifications file “TL 1006HS Specifications.pdf”.

TrafficGuard Installation Details file “TL 006HS Submittal.pdf”.

Special Provisions:

SECTION 00210 - MOBILIZATION

Comply with Section 00210 of the Standard Specifications.

SECTION 00220 - ACCOMMODATIONS FOR PUBLIC TRAFFIC

Comply with Section 00220 of the Standard Specifications modified as follows:

00220.02(a) General Requirements - Add the following bullet(s) to the end of the bullet list:

• Before activating a modified traffic signal, revising lane usage, implementing new roadway geometry, or removing a "STOP" sign, protect traffic by installing "NEW TRAFFIC PATTERN AHEAD" (W23-2) signing according to 00222.40. Keep the signs in place for 30 Calendar Days after completing the modifications.

Add the following subsection:

00220.41 Bridge Work - Before starting any grading or Pavement removal at Bridge ends or removal of Pavement from Bridge decks, arrange so that all Equipment, labor, and Materials required to complete the Pavement replacement Work and Bridge deck waterproofing Work are on hand or are guaranteed to be delivered. Once grading and Pavement removal begins, vigorously prosecute and complete this Work. Complete paving and membrane waterproofing Work in the shortest possible time.

Temporarily taper or bevel longitudinal and transverse grade changes or drop-offs resulting from grading and Pavement removal and membrane waterproofing Work with asphalt concrete mixture to provide a smooth and safe transition. Construct tapers according to 00620.40.

SECTION 00221 - COMMON PROVISIONS FOR WORK ZONE TRAFFIC

CONTROL

Comply with Section 00221 of the Standard Specifications

SECTION 00222 – TEMPORARY TRAFFIC CONTROL SIGNS

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

0222.40(e) Temporary Sign Placement - Add the following to the end of the bullet list:

• At least ten Calendar Days prior to the start of work, place a “SIDEWALK OPEN” (CW11-3) sign in advance of each end of the Work Area. Locate the sign so it is legible from the nearest alternate pedestrian pathway facing incoming pedestrian traffic. The sign may be mounted between the panels of a Type II barricade, or on a single-post TSS. Do not place the sign or support such that it narrows the pedestrian pathway to a width less than 4 feet.

• Before starting work, place pedestrian-specific TCM as shown in the TCP, or as directed. Maintain “SIDEWALK OPEN” (CW11-3) signs while work is affecting the pedestrian pathway.

• Before opening the TPAR, place TPAR signing and other TCM as shown, or as directed

• Place a “WAIT FOR FLAGGER” (CR4-23) sign approximately 50 feet in advance of each flagger station, facing incoming pedestrian traffic. Install the sign on a conical marker or other temporary sign support, as shown or as directed. Do not allow the sign installation height or location to block the visibility of the flagger for incoming public traffic.

• Install a "NEW TRAFFIC PATTERN AHEAD" (W23-2) sign approximately 50 feet in advance of bollard installations, facing incoming traffic in both directions.

• Keep the "NEW TRAFFIC PATTERN AHEAD" signs in place 30 Calendar Days after installing the bollards

SECTION 00224 - TEMPORARY TRAFFIC CHANNELIZING DEVICES

Comply with Section 00224 of the Standard Specifications

SECTION 00225 - TEMPORARY PAVEMENT MARKINGS

Comply with Section 00225 of the Standard Specifications

SECTION 00228 - TEMPORARY PEDESTRIAN AND BICYCLIST ROUTING

Comply with Section 00228 of the Standard Specifications modified as follows:

00228.00 Scope - Replace this subsection, except subsection number and title, with the following:

In addition to the requirements of Section 00221, this Work consists of furnishing, installing, operating, maintaining, inspecting, and removing temporary devices for accommodating pedestrians and bicyclists through a work zone.

SECTION 00280 – EROSION & SEDIMENT CONTROL

Comply with Section 00290 of the Standard Specifications.

SECTION 00290 - ENVIRONMENTAL PROTECTION

Comply with Section 00290 of the Standard Specifications.

SECTION 00430 - SUBSURFACE DRAINS

Comply with Section 00430 of the Standard Specifications modified as follows

00430.90 Payment – Replace this section with the following:

No separate or additional payment will be made for Subsurface Drains. Payment will be included in payment made for the appropriate items under which this Work is required.

SECTION 00440 - COMMERCIAL GRADE CONCRETE

Comply with Section 00440 of the Standard Specifications modified as follows

00440.13 Field-Mixed Concrete - Replace the subsection, except for subsection number and title, with the following:

CGC Work items listed in 00440.14(a) may be field-mixed conventionally, or by volumetric/mobile mixers conforming to ASTM C685. When approved, concrete sidewalks, concrete curb ramps, concrete driveways, and other flat concrete surfaces may be field-mixed using volumetric/mobile mixers conforming to ASTM C685, request approval prior to placement. For all other CGC applications, submit written request to the Engineer for approval to use volumetric/mobile mixers conforming to ASTM C685 at least 21 Days prior to placement.

Pre-packaged dry blended concrete from the QPL may be used for Work items listed in 00440.14(a).

SECTION 00815 - BOLLARDS

Comply with Section 00815 of the Standard Specifications modified as follows

00815.11 Posts and Sleeves - Replace this subsection, except for the subsection number and title, with the following:

Use TrafficGuard 4.5” Outside Diameter Locking Top Lock High Security Bollards

(TL1004HS)

00815.12 Plates, Shapes, Fasteners, and Hardware Replace this subsection, except for the subsection number and title, with the following:

Use 4.5” Outside Diameter Locking Top Lock High Security Bollards supplied plates, shapes, fasteners, and hardware

00815.13 Galvanizing – Delete entire section

00815.14 PVC Pipe – Delete entire section

00815.15 Painting Bollards – Delete entire section

SECTION 00940 - SIGNS

Comply with Section 00940 of the Standard Specifications

SECTION 02030 – SUPPLEMENTARY CEMENTITIOUS MATERIALS

Comply with Section 02030, of the Standard Specifications modified as follows:

02030.00 Scope - Replace this subsection, except for the subsection number and title, with the following:

This Section includes the requirements for fly ash, natural pozzolans, silica fume, ground granulated blast furnace slag and high reactivity pozzolans used in portland cement concrete.

02030.10 Fly Ash - Replace this subsection, except for the subsection number and title, with the following:

Furnish Class C and Class F fly ash from the QPL and conforming to

AASHTO M 295 (ASTM C618).

Add the following subsection:

02030.15 Natural Pozzolans - Furnish Class N natural pozzolans from the QPL and conforming to AASHTO M 295 (ASTM C618).

02030.50 Metakaolin - Replace this subsection with the following:

02030.50 High Reactivity Pozzolans - Furnish high-reactivity pozzolans from the QPL and conforming to AASHTO M 321.

SECTION 02050 - CURING MATERIALS

Comply with Section 02050 of the Standard Specifications modified as follows:

02050.10 Liquid Compounds - Replace the paragraph that begins “Furnish liquid membrane-forming curing…“ with the following paragraph:

Furnish liquid membrane-forming curing compounds from the QPL and meeting the requirements of ASTM C309. Before use, submit a one quart sample from each lot for testing. Samples will be tested according to ODOT TM 721. Samples are not required for curing compounds used on Commercial Grade Concrete.

SECTION 02910 - SIGN MATERIALS

Comply with Section 02910 of the Standard Specifications modified as follows:

02910.33(a) General - Replace this subsection, except for the subsection number and title, with the following:

Permanent legends consist of white retroreflective screened, red retroreflective screened, black screened or cut-out white retroreflective sheeting. The letters and numerals of all permanent legends shall conform to the design of the FHWA Standard Rounded Capital Letter Alphabets.

Add following subsection:

02910.50 Digitally Printed Signs, Temporary - Temporary traffic control signs may use digitally printed signs from an integrated engineered match component system on the QPL and applied to furnished substrate according to 00222.10(b).

Supplemental Specifications:

Contractor shall comply with the following Supplemental Specifications.

Contractor to furnish and install ten (10) TrafficGuard 4.5” Outside Diameter Locking Top Lock High Security Bollards (TL1004HS) at locations described in specifications.

Contractor use of materials and installation procedures shall comply with TrafficGuard Specifications file “TL 1006HS Specifications.pdf” attached to this contract.

Contractor installation shall comply with TrafficGuard Installation Details file “TL 1006HS Submittal.pdf” attached to this contract. This includes:

o Constructing the 42” height, 18” diameter, reinforced concrete foundation piers described in the Pier Elevation Section and Construction Data Schedule RPAS for a 6,000 pound design load (P).

All materials, equipment, and labor needed to construct TrafficGuard Bollards as specified are incidental to bid item Removable Bollard.

All materials, equipment, and labor needed to construct reinforced concrete foundation piers as specified is incidental to bid item Removable Bollard

Contractor to schedule a preconstruction meeting with the Agency PM to take place within five (5) business days of NTP

Contractor to provide an Erosion Control Plan for Agency approval at, or prior to, the pre-construction meeting

Contractor shall provide a Construction Schedule to the Project Manager five (5) days prior to the pre-construction meeting for review.

Contractor will be responsible for traffic control measures, based on their approved traffic control plan (TCP). Contractor shall submit their TCP five (5) days prior to the pre-construction meeting for Agency approval.

Contractor TCP to include a pedestrian detour route that provides passage through work zones at all times. Cost is incidental to “Temporary Work Zone Traffic Control, Complete”.

Contractor to locate utilities prior to ground disturbance and take steps to avoid utility damage

Contractor to pot-hole 12” water line at Site 1 and take steps to preserve and protect the water line

Contractor to preserve and protect SUP pavement and other features At 5’ beyond each end of Site 1 pedestrian bridge railings, install two bollards and foundation piers as shown on Site 1 Cross Section Detail.

From 25’ east of the east end of the Site 1 pedestrian bridge railings to 25’ west of the west end of the Site 1 pedestrian bridge railings remove existing SUP stripes as per section 00225.45

At 5’ inside Prescott Street entry fence opening, install three bollards and foundation piers as shown on Sites 2 and 3 Cross Section Detail

Just north of intersection of SUP and the Campaign Street entry path, install three bollards and foundation piers as shown on Sites 2 and 3 Cross Section Detail