S-10900-00016083 ATTACHMENT C - TECHNICAL SPECIFICATIONS.pdf

CONTRACT DOCUMENTS

FOR

OREGON DEPARTMENT OF AVIATION

JOSEPH STATE AIRPORT (JSY)

AWOS REPLACEMENT PROJECT

ATTACHMENT C – TECHNICAL SPECIFICATIONS

OWNER:

Oregon Department of Aviation

3040 25th St. SE Salem, OR 97302

ENGINEER:

Century West Engineering

5500 Meadows Rd., Suite 250

Lake Oswego, OR 97035

Phone: 503.419.2130

APRIL 2026

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ATTACHMENT C – TECHNICAL SPECIFICATIONS

TABLE OF CONTENTS

• Section 01160 General Requirements

• Section 01200 FOD Prevention Controls

• Section 1300 Airport Safety

• Section 01406 Construction Staking

• Section 01700 Project Closeout

• Item C-105 Mobilization

• Item F-162 Chain Link Fence

• Item L-108 Underground Power Cable for Airports

• Item L-110 Airport Underground Electrical Duct Banks and Conduits

• Item P-151 Clearing and Grubbing

• Item T-901 Seeding

• Section 34 43 23 Automated Weather Observation System (AWOS)

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CENTURY WEST ENGINEERING 01160 General Requirements – 1 of 6 APRIL 2026 | #40097.144.01

01160 GENERAL REQUIREMENTS

1.00 GENERAL SCOPE

1.01 Location and Plans. The location of the work is at the Joseph State Airport (JSY), located approximately 1.5 miles southwest of downtown Joseph, Oregon. Joseph State

Airport is owned by the Oregon Department of Aviation (ODAV). For the purpose of this contract, the terms Airport and Owner are considered the same.

The contract plans for this project consist of 8 sheets titled “Oregon Department of

Aviation, Joseph State Airport AWOS Replacement”.

1.02 Airport Security. During the course of the contract, the Contractor shall be responsible for maintaining security against unauthorized access to the Airport. The

Contractor will be held responsible for any fines, damages, or civil penalties filed against

ODAV and Joseph State Airport for the Contractor's failure to maintain the regulations set forth herein.

The Contractor shall be fully responsible for compliance of all employees with the Airport security program and following regulations and orders of the Airport management. These regulations may affect identification requirements of employees and subcontractors, movement around the Airport, parking, entry, and other circumstances affecting the safety or protection of persons or property. The security requirements are subject to change at any time during the project without prior notice.

For the intent and purpose of these regulations, Air Operations Area (AOA) is construed to mean any area used or intended to be used for takeoff, landing, or surface maneuvering of aircraft, and all other areas restricted to public access on the field. Work boundaries within the AOA shall be established as shown on the drawings. Only Contractor's employees are permitted in the work sites.

The term “gate” used herein shall mean any controlled, securable opening in the security fence. The Contractor must enter and exit the AOA only through the gates designated by the Engineer. Deliveries to work sites will be controlled by the Contractor or, if applicable, a security gate guard (employed by the Contractor), who will record name and license of driver, vehicle license, and times in and out. The Contractor shall keep the gates locked and secured at all times when not in use. The Contractor shall account for Airport-issued keys and access cards in a manner approved by the Airport.

Within the Air AOA, all equipment, vehicle, and personnel travel shall be restricted to designated work sites.

Only vehicles used for construction purposes that are clearly marked with company logos shall enter the AOA. Contractor personnel shall park their personal vehicles within a designated staging area.

FAA-approved orange and white checkered flags shall be provided by the Contractor on all vehicles and equipment within the Airfield.

During night operations, each vehicle entering the AOA shall be equipped with a yellow flashing light mounted on the roof of the cab. Headlights, taillights, and flashers shall be used for all activities during these hours.

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In the event of an emergency, personnel and equipment shall move immediately to the staging area.

1.03 Layout of the Work. The Contractor will do all the construction surveying on the project. The Engineer will provide vertical and horizontal reference control points in the proximity of the work. The Contractor should refer to Section 01406, “Construction

Staking”, for specific requirements.

1.04 Completion Time. All items of contract work shall be substantially complete within the time period specified in the “Proposal” and the “Contract” or “Agreement”.

1.05 Environmental Codes and Regulations. The Contractor shall comply with provisions of Federal, State and local statutes, ordinances and regulations dealing with the prevention of environmental pollution and the preservation of natural resources that affect the project.

If the Contractor must undertake additional work due to the enactment of new or the amendment of existing statutes, ordinances and regulations dealing with the prevention of the successful bid, the Airport will issue a supplemental agreement setting forth the additional work that must be undertaken. The supplemental agreement shall not invalidate the contract and there shall be, in addition to a reasonable extension of contract time, if necessary, a reasonable adjustment in the contract price to compensate the successful bidder for all costs and expenses incurred, including overhead and profits, as a result of the additional work.

1.06 Special Permits. The Contractor shall pay for and obtain any and all permits required for construction of the work.

1.07 Inspection and Testing. All tests called for in the specifications or deemed necessary by the Engineer will be performed by the Engineer, except when indicated otherwise in the specifications. The Engineer will perform quality assurance testing when, in the opinion of the Contractor, the work area to be tested is prepared and will meet the required specifications. Contractor shall schedule testing at least 48 hours in advance of when he is ready for the test. Hot mix asphalt testing shall be scheduled a minimum of 14 days in advance of beginning paving. In the event test results do not meet the specifications, any cost for re-testing as may be required by the Engineer shall be at the

Contractor's expense, charged at the rate established in the Engineer's standard fee schedule.

1.08 Contractor's Staging Area. An area (or areas) will be set aside on the Airport property for the Contractor's use as a staging area for personnel, equipment, and materials. The Contractor shall obtain all necessary building permits and operating licenses from local governmental agencies. The Engineer will define the actual location in the field. The Contractor may install a security fence. The area shall be restored to its original condition at the conclusion of the work, at no cost to the Owner.

1.09 Disposal of Waste Material. Excess materials of all kinds, including, but not limited to waste earthen material, unsuitable material, strippings, and vegetation/organic material from clearing and grubbing or excavation shall be disposed of off-site at the Contractor's expense.

Concrete and other debris shall be disposed of offsite.

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Disposal of waste materials shall be in accordance with governing agency safety, health, and other requirements.

1.10 Site Investigation and Representation. The Contractor acknowledges familiarity as to the nature and location of the work, the general and local conditions, particularly those bearing upon availability of transportation, disposal, handling and storage of materials, availability of labor, water, electric power, roads, and uncertainties of weather, or similar physical conditions at the site, the conformation and conditions of the ground, the character of equipment and facilities needed preliminary to and during the prosecution of the work and all other matters which can in any way affect the work or the cost thereof under this contract.

The Contractor further acknowledges understanding of the character, quality, and quantity of surface and subsurface materials to be encountered from inspecting the site.

The Contractor warrants that as a result of the examination and investigation of all the aforesaid data that he can perform the work in a good and workmanlike manner and to the satisfaction of the Airport. The Airport assumes no responsibility for any representations made by any of its officers or agents during or prior to the execution of this contract, unless (1) such representations are expressly stated in the contract, and (2) the contract expressly provides that the responsibility therefore is assumed by the Airport.

Representations for which liability is not expressly assumed by the Airport in the contract shall be deemed only for the information of the Contractor.

1.11 Information on Site Conditions. All information obtained by the Airport regarding site conditions, subsurface information, ground water elevations, existing construction of site facilities as applicable, and similar data will be available for inspection upon request.

Such information is offered as supplementary information only. The Airport does not assume any responsibility for the completeness or interpretation of such supplementary information.

1.12 Subsurface and Site Information. Information derived from inspection of test results, of topographic maps, or from plans showing location of utilities and structures will not in any way relieve the Contractor from any risk, or from properly examining the site and making such additional investigations as he may elect, or from properly fulfilling all the terms of the contract documents.

The submission of a proposal shall be conclusive evidence that the Bidder has investigated and is satisfied as to the conditions to be encountered, as to the character, quality, and quantities of work to be performed and materials to be furnished, and as to the requirements of the contract documents.

1.13 Underground Utilities. Known utilities and structures expected to be adjacent to or encountered in the work are shown on the plans. It is expected that there may be some discrepancies and omissions in the locations and quantities of utilities and structures shown. Those shown are for the convenience of the Contractor only, and no responsibility is assumed by the Airport for their accuracy or completeness.

1.14 Fire Prevention and Protection. The Contractor shall perform all work in a fire-safe manner. The Contractor shall comply with applicable local and State fire prevention regulations.

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1.15 Temporary Water. No potable water supply is immediately available at the designated Contractor's staging area. The Contractor shall make arrangements for obtaining water and pay all costs for same.

1.16 Temporary Electric Power. No electric power is immediately available at the designated Contractor's staging. The Contractor shall make arrangements for electric power for use during the construction period until final acceptance by the Airport, and pay all costs for same.

1.17 Sanitary Facilities. The Contractor shall provide and maintain sanitary facilities for employees and subcontractor's employees that will comply with the regulations of the local and State departments of health and as directed by the Engineer.

2.00 GENERAL CONSTRUCTION RESPONSIBILITIES AND PROCEDURES

2.01 Site Restoration and Cleanup. Upon completion of the project, all areas used by the Contractor in connection with the work shall be properly cleared of all temporary structures, rubbish, and waste materials and properly graded to drain and blend in with the abutting property.

2.02 Haul Routes and Maintenance. The Contractor shall abide by prevailing legal load limit regulations when hauling over airfield pavements and public roads. The Contractor shall perform all necessary maintenance of haul routes during construction and shall perform all work as necessary to restore the routes used by all equipment to their original condition at the conclusion of construction. New construction haul roads shall be obliterated and original vegetation re-established. Existing roadways, runways, and taxiways shall be patched or overlaid at the Contractor’s expense, as necessary to restore them.

Unsurfaced haul roads shall be sprinkled with water as necessary to prevent dust diffusion during the course of the work.

All maintenance and restoration work shall be completed to the Engineer's satisfaction before final payment is awarded. No direct payment will be made for this work.

2.03 Responsibility for Damage to Existing Structures. Where any existing structures or facilities which are intended to remain are damaged by the Contractor during demolition or construction, the Contractor shall promptly repair or replace the damaged portion or facility at no additional cost to the Airport.

2.04 Storage of Materials. Materials shall be so stored as to insure the preservation of their quality and fitness of the work. When considered necessary, they shall be placed on wooden platforms or other hard, clean surfaces, and not on the ground, and/or they shall be placed under cover. Stored materials shall be located so as to facilitate prompt inspection. Private property shall not be used for storage purposes without the written permission of the Airport or lessee.

2.05 Cleanup. The Contractor shall at all times during the work keep the premises clean and orderly, and shall promptly remove all waste materials and rubbish. All directions from the Engineer and other authorized public officials having jurisdiction over health and safety shall be obeyed. Areas to be opened up to aircraft operations shall be swept thoroughly clean with power broom equipment. Any debris resisting sweeping shall be removed by hand labor or other suitable means.

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Upon completion of the work, all materials, equipment, and appurtenances not required, as a part of, or appurtenant to, the completed structure or facility shall be completely removed from the Airport property.

2.06 Blasting. Blasting is not allowed.

3.00 WORK PROGRESS SCHEDULE

3.01 Scope. The work specified in this subsection includes planning, scheduling, and reporting that is required to be performed by the Contractor.

3.02 Preconstruction Conference. A preconstruction conference will be held at the

Airport before Notice to Proceed is issued. The conference shall be attended at a minimum by the Contractor’s project manager and superintendent, and representatives of all subcontracting firms that will provide five percent (5%) or more of the total value of the project. A copy of the Contractor’s anticipated construction schedule shall be submitted to the Engineer at least 5 days prior to the preconstruction conference. The Contractor shall be prepared to discuss details of how construction will progress, how they expect to conduct their operations, and discuss operational and safety requirements associated with the work.

3.03 Coordination Meetings. Coordination meetings will be held on a weekly basis or more often if necessary, to communicate work efforts between the Engineer, the Airport and the Contractor. The Resident Engineer will schedule the meetings with attendance required by at least one person from each organization.

3.04 Method. An overall project critical path schedule and supplementary weekly “look ahead” schedules shall be submitted to the Engineer for review in accordance with the

Special Provisions. Provide revised schedules and updated schedules at any time requested by the Engineer.

3.05 Schedule Requirements. Distinct items of contract work shall be defined and separated on the schedule. As a minimum, the work items shall include each contract pay item, mobilization, demobilization, and cleanup. Pay items that are partially subcontracted shall be split up to distinctly show the subcontracted work. These items of work shall be plotted on a graph with calendar day duration as a horizontal reference. Anticipated start and finish dates for each work stage and for each of the work items within a stage shall be shown.

The project name, the Contractor's name, and the date of the schedule submittal shall be clearly shown on the submittal.

3.06 Progress Reports. At the end of each week, the Contractor shall submit a summary report of the progress of the various scheduled work items stating, for each item, the existing time status, estimated time of completion, and cause of delays, if any. If the work is behind the previously submitted schedule, the Contractor shall submit an updated schedule and a written plan acceptable to the Engineer for bringing the work up to schedule.

Updated schedules will be used by Engineer in compiling partial payments and no such computations will be made until the reports have been received and approved by the

Engineer.

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The Engineer may request reports to be made on a more frequent schedule if the substantial completion date in considered to be in jeopardy because of activities behind schedule or for other valid reasons.

END OF SECTION 01160

CENTURY WEST ENGINEERING Section 01200 FOD Prevention Controls - 1 of 2 APRIL 2026 | #40097.144.01

SECTION 01200 FOD PREVENTION CONTROLS

1.00 DESCRIPTION

This item shall consist of providing all labor and equipment necessary to avoid the possibility for FOD (foreign object debris) damage to aircraft. FOD present on an active runway, taxiway, shoulder, ramp, road, or any other paved surfaces may result in aircraft damage from engine ingestion, engine blast or any high-speed ground operation. To prevent such damage from occurring, FOD prevention controls must be maintained throughout the duration of the contract period. FOD is considered to be objects/debris of any visible size. Active aircraft surfaces shall be kept clean as work progresses and shall be free of FOD, as described above, before these surfaces are opened to aircraft operations.

2.00 MATERIALS

Equipment shall include power brooms (plastic brooms only, wire brooms are not allowed), vacuum type sweepers, and hand tools as necessary to eliminate FOD.

3.00 CONSTRUCTION METHODS

Procedures to be followed for purposes of preventing FOD shall be observed with the maximum degree of effort. It shall be understood that unlike general “best effort” cleanup requirements associated with typical construction projects, the FOD prevention controls are to be considered a primary project objective. The Contractor shall review the safety and phasing requirements carefully as presented in the project plans and specifications and submit with the contractor’s proposed schedule a FOD Control Plan.

The purpose of the FOD Control Plan shall be to minimize the work necessary to remove debris from aircraft movement areas by minimizing the source debris along immediate haul and access routes.

Food and beverage containers, along with any other refuse generated by the Contractor, shall be contained to prevent creation of FOD.

4.00 FOD PREVENTION CONTROLS REQUIREMENTS

Access/haul routes shall be confined strictly to the areas designated on the Project Site Plan, Safety, Phasing, or Work Area Plan. These routes shall be confined to the smallest possible area in order to limit the amount of sweeping and clean-up required. These routes shall be marked clearly by the Contractor with signs and cones so vehicles will not stray from the designated routes.

The Contractor shall return all aircraft movement areas to a clean, FOD-free state to the satisfaction of the airport before re-opening those surfaces to aircraft traffic. FOD cleanup equipment and methods used by the Contractor are subject to approval by the Engineer and/or Airport Staff. Equipment judged to be unsuitable by the Engineer shall be replaced by the Contractor.

The Contractor shall provide signs, barricades, and cones to delineate clearly and confine access routes to prevent vehicle and aircraft conflicts and to prevent FOD.

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Whenever directed by the Engineer, the Contractor shall begin cleanup operations or shut down cleanup operations already in progress. In the event the Airport or Engineer determines any active aircraft movement area to be unusable due to construction generated debris, and if the Contractor is not on site, cleanup equipment will be called to the airport and billed directly to the Contractor.

5.00 METHOD OF MEASUREMENT AND PAYMENT

Payment shall be made at the contract lump sum price for “FOD Prevention Controls.” This price shall be full compensation for preparing and submitting the FOD Control Plan, furnishing all labor, equipment, materials, tools, and incidentals necessary to complete the work.

END OF SECTION 01200

CENTURY WEST ENGINEERING Section 01300 Airport Safety - 1 of 5 APRIL 2026 | #40097.144.01

SECTION 01300 AIRPORT SAFETY

1.00 GENERAL

1.01 SCOPE

This specification outlines safety procedures and regulations to be followed by the Contractor during the course of this work. The work item, Temporary Flagging, Marking and Signing, shall consist of furnishing, installing, and removing temporary marking, signing, lighting, and barricades required during the course of this work. All work shall be in conformance with FAA Advisory Circular 150/5370-2G, Operational Safety on Airports During Construction, and the Manual of Uniform Traffic Control.

The Contractor shall provide, erect, and maintain all necessary protection of the work and the safety of the public for both land and air traffic. Suitable warning signs and barricades, illuminated at night, shall be provided.

In order to protect air traffic against turning off of active runways or taxiways into construction areas, low level barricades shall be placed at the locations as shown on the plans, or as described in the Construction Safety and Phasing Plan (also known as the CSPP or the Construction Operations Plan), or as directed by the Engineer.

1.02 GENERAL REQUIREMENTS

The Contractor shall keep personnel and equipment off of the runway, runway sides, runway ends, taxiways, taxiway sides and aprons as described below. The Contractor shall continue to follow all safety requirements during runway closures.

1.03 CONSTRUCTION SEQUENCE

A. Construction activity shall not commence prior to issuance of a NOTAM. The contractor shall provide written notice to the Engineer and Airport Manager at least 14 calendar days in advance of the planned commencement of construction activity. The Airport Manager will issue applicable NOTAMs no later than 72 hours prior to the start of closure activities. No further work in affected areas will be permitted after completion of work and removal of NOTAMs.

1.04 GENERAL SAFETY REQUIREMENTS

A. Prior to commencement of work on any of the airport's runways, taxiways, or aprons, the Contractor and the Engineer will select haul routes to be used by personnel and vehicles during the course of work in the various stages. The Contractor shall furnish, install, and maintain appropriate traffic signs that clearly identify a haul route throughout its length within the project area.

B. FAA-approved orange and white-checkered flags shall be provided by the

Contractor on all vehicles and equipment. Contractor vehicles shall be marked with company identification on both sides of the vehicle.

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C. The Contractor's operations shall be limited to the staging area, the work boundaries shown on the plans, and approved haul roads.

D. Runway Sides. If appropriate construction NOTAM have been issued, construction (using equipment less than 10 feet tall) is permissible as close as the following distances from the centerline of the runway indicated when the runway is active:

Runway Designation Feet from Runway Centerline

15-33 125

E. Runway Ends. If appropriate construction NOTAM has been issued, construction activity is permissible off the threshold of the runways indicated below provided at least the indicated minimum safety area and indicated unobstructed approach slope are maintained:

Runway end Minimum Safety Area Minimum Unobstructed

Number Behind Threshold Approach Slope

15 240 feet 20:1 to 200’ behind threshold

33 240 feet 20:1 to 200’ behind threshold

Taxiways 44.5 feet from centerline N/A

Work inside these safety areas and penetrating the approach slope will be allowed during runway closure only.

F. Normally, work will be permitted during daylight hours only. If an emergency situation requires, or project phasing/sequencing requires, work at night, the

Contractor shall notify the Engineer as far in advance as possible and obtain clearance from the Owner before proceeding to work.

During night operations, each vehicle shall be equipped with an omnidirectional yellow flashing light mounted on the roof of the cab. Headlights, taillights and flashers shall be used for all activities during these hours.

When the Contractor is required to work at night, adequate portable lights at the areas of work shall be provided by the Contractor. Sufficient lights shall be provided to complete the work to the specified tolerances. Portable light plants shall have at least four (4) working metal halide 1000 watt bulbs or 245,000 lumen output, each mounted on a mast at least 25’ high, or as approved by the

Engineer.

G. At the end of each working day, all equipment and other obstructions shall be moved away from the runways and taxiways to Contractor staging areas.

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H. Construction equipment that extends 12 feet or more above ground level shall be cleared through the Engineer. It shall be lighted at night in an approved manner and/or lowered to height of adjacent structural surroundings at the discretion of the Engineer.

I. Welding equipment shall not be used within 100 feet of fuel trucks or aircraft.

J. All accidents shall be reported to the Engineer.

K. In the event of an emergency, personnel and equipment shall be moved immediately at the direction of the Engineer.

L. The Contractor shall be responsible for, at all times, insuring that active runways and taxiways are kept free of construction debris, equipment, and/or materials that might endanger or be ingested by an aircraft.

M. All trenching within active runway or taxiway safety areas will be backfilled to grade at the end of each workday.

N. The Contractor will be responsible for all equipment being within the staging area at the end of each working day, including subcontractors’ equipment.

1.05 CONSTRUCTION SAFETY AND PHASING PLAN

A Construction Safety and Phasing Plan (a.k.a. CSPP or construction operations plan) has been developed by the Owner to mitigate the adverse impacts of construction on aeronautical operations on the airport. Strict adherence to the provisions of the construction operations plan by all personnel assigned to or visiting the construction site is mandatory for all construction projects. When an Airport safety item is covered by more than one section in the contract documents, the Contractor shall adhere to the more stringent requirements for each safety item.

In the event contractor activities are not in conformance with the provisions of the construction operations plan, the contractor shall immediately cease those operations involved in the violation of the provisions of the construction operations plan and conduct a safety meeting. The owner may direct the contractor, in writing, to immediately cease those operations involved in the violation of the provisions of the construction operations plan. The contractor shall not resume construction operations until an appropriate action is taken as determined by the

Owner. Costs associated with work stoppages or additional meetings required due to the violations of the safety plans shall be paid by the Contractor. Contract time and liquidated damages will apply to periods or work stoppage related to safety plan violations.

1.06 SAFETY PLAN COMPLIANCE DOCUMENT (SPCD)

The Contractor shall prepare and submit the Safety Plan Compliance Document (SPCD) for

Engineer approval a minimum of 14 days prior to Notice to Proceed. The Engineer will review the SPCD and provide any comments on the submittal. The SPCD must be reviewed and approved by the Engineer prior to beginning work. Refer to Section I – Bidding Information, Appendix, Construction Safety and Phasing Plan for requirements of the SPCD.

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2.00 MATERIALS

2.01 General. All barricades with flashing lights shall be inspected and tested each day, prior to project shut down to verify operation during nighttime usage. All barricade types shall be checked daily by the Contractor to ensure they are functioning as intended, including periods of time when work is not occurring or temporarily suspended.

The Contractor shall designate a person or persons who will be available 24 hours per day should any of the barricades, closure markers, or other safety measures noted in the plans, specifications, or Construction Operations Plan fail. This person/persons shall be capable of immediately dispatching to the site for making repairs or adjustments as needed.

2.02 Low Level Barricades. Low level barricades shall have nominal dimensions of 10”H x

96”L x 10”W, shall be specifically designed for airport use and shall be equipped with pins or connectors so that a “string” of barricades can be formed. They shall be weighted with water or sand as ballast. The low level barricades shall be in conformance with FAA AC 150/5370-2G.

Low level barricades shall have diagonal striped, alternating, orange/white high reflective sheeting on both sides of the barricade, and two battery or solar powered flashing red lights. If solar powered lights are used, the contractor shall ensure that they are “on” during periods of low visibility, during daylight hours.

Low level barricades shall be used to delineate “on pavement” work area limits, safety areas, or other boundaries as directed by the engineer. When in place, low level barricades shall form a continuous “string” across the designated boundary. The Contractor shall furnish, arrange and otherwise maintain a sufficient number of low level barricades to complete the work.

2.03 Taxiway Closure Markers (Crosses). Not used.

2.04 Runway Closure Markers (Crosses). Not used.

2.05 Airport Radios. Airport radios shall be VHF Air Band Transceivers, as manufactured by

ICOM, Model IC-A16 or IC-A25. Radios shall be supplied with a compatible wall charge unit, and a vehicle “cigarette lighter” style plug in charger. The contractor shall provide a minimum of two (2) radios for use on the project.

The Contractor’s Superintendent, Foreman, motorized vehicle operators and Flaggers shall be trained by the Engineer on airport procedures and radio communications prior to issuance of

Notice to Proceed. Required airport-specific training sessions shall include General Aviation

Airport Training, Safety During Construction Training, and Aviation Radio Training. All

Contractor personnel who will be present on the airport during construction are strongly encouraged to attend training sessions as well. Contractor and subcontractor employees required to attend training sessions will be required to pass an airport and radio test administered by the Engineer.

All additional airport owner required training shall be completed to the satisfaction of the airport owner prior to entering that airfield.

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At no time will the Contractor, the Contractor’s employees, or subcontractors be given authorization to enter an active runway, or taxiway unless they are being escorted by the Airport

Manager. Hauling across active runways, taxiways, or aprons shall not be permitted.

2.06 Temporary Marking and Signing. The Contractor shall install temporary closure crosses, lights, lenses, traffic control devices and other temporary markings, barricades and signs required during the course of this contract. The temporary markings shall conform to applicable

Federal Aviation Administration markings and shall be constructed of materials approved by the

Engineer.

3.00 PAYMENT

3.01 Temporary Flagging, Marking and Signing. Temporary Flagging, Marking and Signing will be paid for at the contract lump sum price for item “Temporary Traffic Control”. This price shall be full compensation for all labor, equipment, tools, and incidentals necessary to complete the item.

3.02 Airport Radios. Airport Radios are considered incidental to various project work items and activities for which no separate payment will be made.

3.03 Safety Plan Compliance Document. Preparation of the Safety Plan Compliance

Document will be paid for at the contract lump sum price for “Safety Plan Compliance

Document.” This price shall be full compensation for preparing and maintaining the SPCD and all related labor, equipment, tools, and incidentals necessary to complete the item.

END OF SECTION 01300

CENTURY WEST ENGINEERING Section 01406 Construction Staking - 1 of 2 APRIL 2026 | #40097.144.01

01406 CONSTRUCTION STAKING

1.00 GENERAL SCOPE

This work shall consist of all surveying, measuring and laying out control for the many phases of work required to construct the project. The Contractor will be provided with reference monuments for both vertical and horizontal control in the proximity of the work. The Contractor shall be responsible for all measurements made in connection with the work.

The Engineer will perform the following, which will not be a part of this work.

1. Provide vertical and horizontal reference control points.

2. Perform such checks as deemed necessary to verify the accuracy of the Contractor's survey work and insure the completed work complies with the plans and specifications.

3. In the case of unforeseen difficulties, not due to the Contractor's operations which necessitate minor redesign of the work, the Engineer will provide the necessary surveying to gather additional information for the redesign.

The Contractor shall review Section 50-07 CONSTRUCTION LAYOUT AND STAKES for minimum staking requirements that are not fully described in this section. Staking requirements described in this section shall take precedence over those listed in Section 50-07. Where discrepancies appear, the more stringent requirement shall apply.

2.00 MATERIALS

The Contractor shall furnish all stakes, hubs, equipment, tools and incidentals required to lay out and control every part of the work from the reference control points provided.

3.00 WORKMANSHIP

3.01 Personnel. Survey work performed under this contract shall be performed under the direct supervision of an Oregon registered Professional Land Surveyor. Recognized and established construction survey practices and orders of accuracy shall be followed in all cases.

3.02 Equipment. All surveying equipment and tools shall be provided by the Contractor.

Equipment shall be in good operating order and shall be kept in adjustment throughout the duration of the project.

3.03 Layout of the Work. The Contractor shall supervise and control the layout of the work.

Prior to the construction of any item, the Engineer shall review the layout of the work, and give notice to proceed if the layout is satisfactory. The Engineer's notice to proceed does not constitute an approval or acceptance of the survey work, but is rather an inspection to see that sufficient line and grade has been established to construct the work to the required accuracy.

The Contractor shall submit a Staking Plan, for approval, indicating the surveying tasks they intend to do to layout the work. The following minimum staking requirements shall be met:

A. Subgrade, Subbase and Base Rock Hubs. Not used.

B. Electrical Equipment. The location of duct banks, lights, signs, and other

CENTURY WEST ENGINEERING Section 01406 Construction Staking - 2 of 2 APRIL 2026 | #40097.144.01 electrical equipment shall be located by means of offset hubs. Conduit, wire, and duct runs shall be staked at 50 foot intervals.

C. Pavement Edge. Not used.

D. Striping Layout. Not used.

E. Drainage Structures and Pipelines. Not used.

3.04 Preservation of Reference Control Points. Report the Northing and Easting coordinates to the Engineer for acceptance of the following items:

• Center of AWOS Tower foundation

• Center of AWOS Equipment foundation

• Center of Wind Direction Monument

It shall be the responsibility of the Contractor to maintain and preserve all stakes and other points established by the Engineer until authorized to move them. If such points are disturbed or destroyed through negligence of the Contractor, the Owner may order their replacement at his discretion.

The expense of such replacement will be deducted from any amounts due, or to become due the Contractor.

3.05 Protection of Existing Monuments. The Contractor shall record and protect existing monuments as shown on the Drawings.

4.00 PAYMENT

Payment shall be made at the contract lump sum price for "Construction Staking." This price shall be full compensation for furnishing all labor, equipment, materials, tools and incidentals necessary to complete the work.

END OF SECTION 01406

CENTURY WEST ENGINEERING Section 01700 Project Closeout - 1 of 2 APRIL 2026 | #40097.144.01

01700 PROJECT CLOSEOUT

1.00 GENERAL SCOPE

Engineer shall prepare a punch list when notified by the Contractor that work is completed.

Engineer and Owner will conduct one final inspection only. All further inspections or punch lists as required will be made at $2,000 per trip, at Contractor's expense. (Note: Failure of Engineer to include any items on punch list does not alter responsibility of Contractor to complete work in accord with Contract Documents.) Deliver all items called for herein and under various specification sections to Engineer at completion of work.

1.01 Project Record/As-Built Drawings. As the job progresses, Contractor shall keep at project site an accurately marked job set of contract documents showing all changes and deviations from original drawings. These shall be available to Engineer. (Note: Above requirements shall not be construed as authorization to make changes in work or layout without definite instructions in each case.) Upon completion of project and before final payment, Contractor shall forward to Engineer two complete new sets of contract documents covering all work including changes under this contract, showing all above information, changes and deviations from the original drawings.

1.02 Cleanup. Upon completion of the project and prior to final payment, the Contractor shall restore the work area to a satisfactory condition as determined by the Engineer. All materials, equipment, and appurtenances not required as a part of or appurtenant to, the completed project shall be graded smooth to establish grade or if no grade is established, to a neat uniform condition as determined by the Engineer.

1.03 Closeout. The Contractor shall furnish the following before final payment will be released.

1. Submit to the Owner a signed affidavit, satisfactory to the Owner, stating that so far as he has knowledge or information, all accounts for materials, labor, and incidentals in connection with the work have been paid in full.

2. Furnish to the Owner an “Affidavit of Wages Paid.”

3. The Owner’s approval of the affidavit of the release of liens.

4. Inspection and approval by the Federal Aviation Administration as required for Airport Improvement Programs.

5. Submit O&M manuals for all equipment installed or constructed.

6. Submit project record drawings as described above.

7. Submit “Certificate of Compliance” form.

8. Furnish to the Owner a statement of amounts paid to qualified DBE subcontractors and suppliers participating on the project.

9. Results of all contractor quality control tests performed during the project.

10. Documentation for finish grade acceptance surveying.

11. Copies of any other inspection, observation or monitoring reports required by any

CENTURY WEST ENGINEERING Section 01700 Project Closeout - 2 of 2 APRIL 2026 | #40097.144.01 other permits for the project.

12. Other miscellaneous items required to be submitted by the contract documents.

13. Return all airport security badges, issued by the Airport, to the airport security director, if applicable.

The acceptance by the Contractor of the final payment shall release the Owner and the Engineer as agent of the Owner from all claims and all liability to the Contractor for all things done or furnished in connection with the work, and every act of the Owner and others relating to or arising out of the work. No payment, however, final or otherwise, shall operate to release the Contractor or his sureties from obligations under this contract and the “Performance and Payment Bond”, as herein provided.

END OF SECTION 01700

CENTURY WEST ENGINEERING C-105 - Mobilization - 1 of 2 APRIL 2026 | #40097.144.01

Item C-105 Mobilization

105-1 Description. This item of work shall consist of, but is not limited to, work and operations necessary for the movement of personnel, equipment, material and supplies to and from the project site for work on the project, except as provided in the contract as separate pay items.

105-2 Mobilization limit. Mobilization shall be limited to 10 percent of the total project cost.

105-3 Posted notices. Prior to commencement of construction activities, the Contractor must post the following documents in a prominent and accessible place where they may be easily viewed by all employees of the prime Contractor and by all employees of subcontractors engaged by the prime Contractor: Equal Employment Opportunity (EEO) Poster “Equal Employment Opportunity is the Law” in accordance with the Office of Federal Contract Compliance Programs Executive Order 11246, as amended; Davis Bacon Wage Poster (WH 1321) - DOL “Notice to All Employees” Poster; and Applicable Davis-Bacon Wage Rate Determination. These notices must remain posted until final acceptance of the work by the Owner.

105-4 Engineer/RPR field office. An Engineer/RPR field office is not required.

METHOD OF MEASUREMENT

105-5 Basis of measurement and payment. Based upon the contract lump sum price for “Mobilization” partial payments will be allowed as follows:

a. With first pay request, 25%.

b. When 25% or more of the original contract is earned, an additional 25%.

c. When 50% or more of the original contract is earned, an additional 40%.

d. After Final Inspection, Staging area clean-up and delivery of all Project Closeout materials as required by Section 90, paragraph 90-11, Contractor Final Project Documentation, the final 10%.

BASIS OF PAYMENT

105-6 Payment will be made under:

Item C-105 Mobilization (limited to 10% of total project cost) – per lump sum

REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

Office of Federal Contract Compliance Programs (OFCCP)

Executive Order 11246, as amended

EEOC-P/E-1 – Equal Employment Opportunity is the Law Poster

CENTURY WEST ENGINEERING C-105 - Mobilization - 2 of 2 APRIL 2026 | #40097.144.01

United States Department of Labor, Wage and Hour Division (WHD)

WH 1321 – Employee Rights under the Davis-Bacon Act Poster

END OF ITEM C-105

CENTURY WEST ENGINEERING Item L-108 - 1 of 10 APRIL 2026 │ #40097.144.01

Item L-108 Underground Power Cable for Airports

DESCRIPTION

108-1.1 This item shall consist of furnishing and installing power cables that are direct buried and furnishing and/or installing power cables within conduit or duct banks per these specifications at the locations shown on the plans. It includes excavation and backfill of trench for direct-buried cables only. Also included are the installation of counterpoise wires, ground wires, ground rods and connections, cable splicing, cable marking, cable testing, and all incidentals necessary to place the cable in operating condition as a completed unit to the satisfaction of the RPR. This item shall not include the installation of duct banks or conduit, trenching and backfilling for duct banks or conduit, or furnishing or installation of cable for FAA owned/operated facilities. Requirements and payment for trenching and backfilling for the installation of underground conduit and duct banks is covered under Item L-110 “Airport Underground Electrical Duct Banks and Conduits.”

108-1.2 Additional information pertaining to the items covered in this section are contained in the Federal Aviation Administration (FAA) Advisory Circulars (AC’s), latest edition, listed below:

150/5370-10, Standard for Specifying Construction of Airports

150/5370-2G, Operational Safety on Airports During Construction

The Contractor is responsible for obtaining and using the latest edition of the referenced FAA Advisory Circulars. This list is not all inclusive but is offered as a convenience to the Contractor.

All new electrical systems should be tested to compare their compatibility to installed equipment. Operational tests shall be performed to ensure no increase in electromagnetic interference (EMI) occurs over the original findings.

EQUIPMENT AND MATERIALS

108-2.1 General.

a. Airport lighting equipment and materials covered by advisory circulars (AC) shall be approved under the Airport Lighting Equipment Certification Program per AC 150/5345-53, current version.

b. All other equipment and materials covered by other referenced specifications shall be subject to acceptance through manufacturer’s certification of compliance with the applicable specification, when requested by the RPR.

c. Manufacturer’s certifications shall not relieve the Contractor of the responsibility to provide materials per these specifications. Materials supplied and/or installed that do not comply with these specifications shall be removed (when directed by the RPR) and replaced with materials that comply with these specifications at the Contractor’s cost.

d. All materials and equipment used to construct this item shall be submitted to the RPR for approval prior to ordering the equipment. Submittals consisting of marked catalog sheets or shop drawings shall be provided. Submittal data shall be presented in a clear, precise and thorough manner. Original catalog sheets are preferred. Photocopies are acceptable provided they are as good a quality as the original. Clearly and boldly mark each copy to identify products

CENTURY WEST ENGINEERING Item L-108 - 2 of 10 APRIL 2026 │ #40097.144.01 or models applicable to this project. Indicate all optional equipment and delete any non-pertinent data. Submittals for components of electrical equipment and systems shall identify the equipment to which they apply on each submittal sheet. Markings shall be made bold and clear with arrows or circles (highlighting is not acceptable). The Contractor is solely responsible for delays in the project that may accrue directly or indirectly from late submissions or resubmissions of submittals.

e. The data submitted shall be sufficient, in the opinion of the RPR, to determine compliance with the plans and specifications. The Contractor’s submittals shall be electronically submitted in pdf format. The RPR reserves the right to reject any and all equipment, materials, or procedures that do not meet the system design and the standards and codes, specified in this document.

f. All equipment and materials furnished and installed under this section shall be guaranteed against defects in materials and workmanship for at least twelve (12) months from the date of final acceptance by the Owner. The defective materials and/or equipment shall be repaired or replaced, at the Owner’s discretion, with no additional cost to the Owner. The Contractor shall maintain a minimum insulation resistance in accordance with paragraph 108-3.10e with isolation transformers connected in new circuits and new segments of existing circuits through the end of the contract warranty period when tested in accordance with AC 150/5340-26, Maintenance Airport Visual Aid Facilities, paragraph 5.1.3.1, Insulation Resistance Test.

108-2.2 Cable. Underground cable for airfield lighting facilities (runway and taxiway lights and signs) shall conform to the requirements of AC 150/5345-7, Specification for L-824 Underground Electrical Cable for Airport Lighting Circuits latest edition. Conductors for use on 6.6 ampere primary airfield lighting series circuits shall be single conductor, seven strand, #8 American wire gauge (AWG), L-824 Type C, 5,000 volts, non-shielded, with cross-linked polyethylene insulation. Conductors for use on 20 ampere primary airfield lighting series circuits shall be single conductor, seven strand, #6 AWG, L-824 Type C, 5,000 volts, non-shielded, with cross-linked polyethylene insulation. L-824 conductors for use on the L-830 secondary of airfield lighting series circuits shall be sized in accordance with the manufacturer’s recommendations.

All other conductors shall comply with FAA and National Electric Code (NEC) requirements.

Conductor sizes noted above shall not apply to leads furnished by manufacturers on airfield lighting transformers and fixtures.

Wire for electrical circuits up to 600 volts shall comply with Specification L-824 and/or Commercial Item Description A-A-59544A and shall be type THWN-2, 75°C for installation in conduit and RHW-2, 75°C for direct burial installations. Conductors for parallel (voltage) circuits shall be type and size and installed in accordance with NFPA-70, National Electrical Code.

Unless noted otherwise, all…