Special Provisions.doc

Special Provisions

PROJECT NAME: Hwy 97: Wildlife Fencing MP 179.97 – MP 183.15 Project SCOPE OF WORK: Work includes installing wildlife fencing on the East and West sides of Highway 97 between MP 179.97 and MP 183.15 including the installation of 34,000 lineal feet of wildlife fence and 6 deer guards. Work also includes all traffic control and necessary clearing.

WORK LOCATION:

The work location is on The Dalles – California Highway MP 179.97 to MP 183.15.

PROJECT COMPLETION DATE: November 12, 2021

PROJECT MANAGER:

Jason Armstrong Project Manager

Klamath Falls Construction Office Office 541.883.5789

Cell 541.281.4497 APPLICABLE SPECIFICATIONS: The Specifications which are applicable to the work on this project are the 2021 edition of the “Oregon Standard Specifications for Construction”, which are by this reference incorporated herein. However, the provisions of Part 00100 – General Conditions are not incorporated herein unless expressly set forth in this ITB.

All numbered references in these Special Provisions shall be understood to refer to the Sections and subsections of the Standard Specifications bearing like numbers and to the Sections and subsections contained herein in their entirety.

COOPERATION WITH UTILITIES: There are no anticipated conflicts with utilities associated with the Work. This project is located within the Oregon Utility Notification Center area, which is a utilities notification system for notifying owners of utilities about work being performed in the vicinity of their facilities. The contractor shall notify owners of Utilities include Juliana Van Sickle Cain 541-331-4136 Luman (Centurylink) prior to the performance of work in the vicinity of their Utilities. The utilities notification system telephone number is 811 (or use the old number which is 1-800-332-2344).

SECTION 00220 – ACCOMMODATIONS FOR PUBLIC TRAFFIC

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

Section 00220.02 Public Safety and Mobility – Add the following bulleted items:

· Contractor shall allow over dimensional loads to pass through work zones without delay over 20 minutes on The Dalles – California Highway.

Section 00220.40(e)(1) Closed Lanes – Replace this subsection with the following:

(1) Closed Lanes –

a. The Dalles – California Highway (US97) – Lane closures are not allowed.

SECTION 00221 – COMMON PROVISIONS FOR WORK ZONE TRAFFIC

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

00221.02 General Requirements – Add the following to the end of this subsection:

Contractor shall perform the work zone traffic control according to Standard Drawings TM800 and TM851.

SECTION 00223 – WORK ZONE TRAFFIC CONTROL LABOR AND VEHICLES

Comply with Section 00223 of the Standard Specifications.

SECTION 00224 – TEMPORARY TRAFFIC CONTROL CHANNELIZING DEVICES

Comply with Section 00224 of the Standard Specifications.

SECTION 00225 – TEMPORARY PAVEMENT MARKING

Comply with Section 00225 of the Standard Specifications.

SECTION 00228 – TEMPORARY PEDESTRIAN AND BICYCLIST

Comply with Section 00228 of the Standard Specifications.

SECTION 00280 – EROSION AND SEDIMENT CONTROL

Comply with Section 00280 of the Standard Specifications.

SECTION 00305 CONSTRUCTION SURVEY WORK

Comply with Section 00305 of the Standard Specifications modified as follows:

00305.00 Scope – Add the following to the end of this subsection:

The survey work includes providing wildlife fence alignment control from the Agency’s layout staking and all necessary survey work to install deer guards.

SECTION 00320 CLEARING AND GRUBBING

Comply with Section 00320 of the Standard Specifications modified as follows:

00320.00 Scope – Replace this section with the following:

This work consists of removing and disposing of brush and trees within five feet of each side of the proposed wildlife fence. The work also includes preserving the existing grasses and cleanup of the work area.

00320.01 Areas of Work – Replace this subsection with the following:

The area to be cleared is five feet on both sides of the wildlife fence. Grubbing will not be required. Small plants and natural grasses are to be preserved as much as possible.

SECTION 01050 FENCES

Comply with Section 01050 of the Standard Specifications modified as follows:

01050.10 Materials - Add the following to the end of this section:

The following wildlife fencing materials are available to be utilized on this project. The fence materials are stockpiled in the yard of ODOT La Pine maintenance site located at 51591 US-97, La Pine, OR 97739.

· 10 Foot Tee Post – 650 each (includes 7 ties per post)

· Wildlife Fencing Fabric – 53,790 lineal feet

01050.50 (d) – Add the following to the end of this subsection;

Install the fence according to Standard Drawing RD830 and install end fence brace posts within 6 inches of the bridge component as directed.

SECTION 01061 - METAL DEER GUARDS

Section 01061, which is not a Standard Specification, is included in this Project by Special Provision.

General

01061.00 Scope - The work consists of designing and constructing the concrete abutments and end walls, transporting, and installing metal deer guards sections supplied by ODOT. ODOT Drawing “US97 S Century Drive To USFS Boundary Sec., Deer Guard” and Standard Drawing BR175 can be utilized as a guide in the development of the Deer Guard design, except the end post of the wildlife fence will be installed adjacent to the metal component of the deer guard.

01061.01 General - Design metal deer guards according to the current edition of AASHTO LRFD Bridge Design Specifications.

01061.05 Submittals - Submit stamped Working Drawings according to 00150.35 that include all design calculations, details, and material specifications.

Materials

01061.10 Materials - Furnish materials meeting the following requirements:

Anchor Bolts 02560.30

Bearing Pads 00582

Coating Steel Structures 00594

Galvanizing …………………………………………............02530.70

Commercial Grade Concrete 00440

Fasteners 02560.20

Precast Concrete Units 00550

Reinforcement 02510.10

Structural Steel 02530.20

Tubing 02810.20 The following metal deer guard materials are available to be utilized on this project. The deer guard materials are stockpiled in the yard of ODOT La Pine maintenance site located at 51591 US-97, La Pine, OR 97739.

· 8 Each - 8 foot wide metal deer guard sections

· 12 Each – 10 foot wide metal deer guard sections

· 4 Each – 12 foot wide metal deer guard sections Construction

01061.40 General - Construct deer guards as shown and according to the following:

Develop and implement a staging and traffic control plan that includes maintaining a minimum of 12 feet for thru traffic on a gravel surface at all times by utilizing Diagram 350 Temporary Traffic Control Handbook as a guide to develop the traffic control details. Construction of each deer guard shall be no more than two weeks in duration.

Excavate and backfill according to Section 00510.

Provide drainage pits or areas beneath the deer guard surfaces as shown or specified.

Use precast or construct cast-in-place concrete abutments. This includes placing the concrete abutments on 12 inches of compacted base aggregate.

Galvanize all hardware.

Install reinforcement and place concrete according to Sections 00530 and 00440.

Assemble structural steel members and other steel according to Section 00560, except that prequalification of welders will not be required and inspection of welding will be visual.

Install end fence brace post within two inches of the deer guard component as directed.

Finishing and Cleaning Up

01061.70 General - Remove excess materials and debris from the deer guard sites.

Measurement

01061.80 Measurement - The quantities of deer guards will be measured on the unit basis.

Payment

01061.90 Payment - The accepted quantities of deer guards will be paid for at the Contract unit price, per each, for the item "Metal Deer Guard, ____Feet Wide". The width of the deer guard will be inserted in the blank.

Payment will include the design, furnishing and implementing construction staging plans, traffic control devices, furnishing all materials, except for available stockpiled materials, excavation, backfill, placement of concrete foundation, metal components, existing roadway repairs and for furnishing all equipment, labor and incidentals to complete the Work as specified.