DIVISION 1 - GENERAL REQUIREMENTS SECTION FOD PREVENTION CONTROLS

Transcription

1 DIVISION 1 - GENERAL REQUIREMENTS SECTION FOD PREVENTION CONTROLS PART 1: GENERAL This item shall consist of providing labor and equipment necessary to avoid the possibility for FOD (foreign object damage) resulting from engine ingestion, engine blast or any high-speed ground operation. No objects/debris of any visible size shall be allowed on an active runway, taxiway, shoulder, ramp, road and any other paved surfaces. These surfaces are to be kept clean as work progresses and are to be free of FOD as described above, before these surfaces are opened to aircraft operations. PART 2: EXECUTION 2.1 EQUIPMENT Equipment shall include power brooms, vacuum sweepers, and hand tools as necessary. 2.2 CONSTRUCTION METHODS Access/haul routes will be strictly confined to the areas designated on the Construction Site Plan. These routes will be confined to the smallest possible area in order to limit the amount of sweeping and clean-up required. These routes will be clearly marked by the Contractor with signs and cones so that vehicles will not stray from the designated routes. The Contractor will assign a laborer to inspect each vehicle entering the airport construction zone for loose material on the vehicles exterior or tires and then remove the material before the vehicle proceeds to the work area. To prevent material from falling from the trucks while in transit, loads filled to the top of the side rails will not be allowed on the site. The Contractor will return all aircraft movement areas to a clean, FOD free state before reopening those surfaces to aircraft traffic. FOD clean up equipment and methods used by the Contractor will be subject to approval by the Engineer and/or Airport Staff. Equipment judged to be unsuitable by the Engineer will be replaced by the Contractor. No steel bristled brooms will be allowed. PART 3: MEASUREMENT AND PAYMENT Payment for FOD Prevention Controls shall be made at the contract lump sum price for maintaining the FOD prevention program. The price shall be full compensation for all labor, equipment, tools and incidentals necessary to control, remove, and dispose of all FOD materials within work areas and along airport haul routes. Payment will be made under: Item FOD Prevention Controls lump sum. END OF SECTION Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01000.doc

2 DIVISION 1 - GENERAL REQUIREMENTS SECTION GENERAL REQUIREMENTS PART 1: GENERAL 1.1 LOCATION AND PLANS The location of the work is the Ocean Shores Municipal Airport. A location map is shown on the cover sheet of the contract plans. The contract plans for this project consist of four (4) sheets entitled 2013 Runway Maintenance Project. 1.2 AIRPORT SECURITY During the course of the contract, the contractor shall be responsible for maintaining security against unauthorized access to the airport. The contractor shall be fully responsible for compliance by himself and all of his employees with the airport security program and following regulations and orders of the airport management. These regulations may affect identification of employees, movement around the airport, parking, entry, and other circumstances affecting the safety or protection of persons or property. For the purpose and intent of these regulations, air operations area is constructed to mean any area used or intended to be used for take-offs, landing, or surface maneuvering of aircraft, and all other areas restricted to public access on the field. Work boundaries within the air operations area shall be established as shown on the drawings. Only contractor's employees are permitted in the work sites. The contractor must enter and exit the air operations area only through the haul routes shown on the Construction Phasing & Safety Plan. Deliveries to work sites will be controlled by the contractor. Within the air operations area, all equipment, vehicle, and personnel travel shall be restricted to designated work sites. Only vehicles used for construction purposes shall enter the air operations area. Contractor personnel shall park their personal vehicles within a designated staging area. All trucks and construction equipment shall be equipped with FAA approved flags or an amber flashing light. In the event of an emergency, men and equipment shall move immediately to the staging area. 1.3 LAYOUT OF THE WORK The contractor is responsible for construction surveying other than listed in Section The contractor should refer to Section for specific requirements. All staking and surveying not specifically listed in this Section will be the responsibility of the contractor. All grade checking and transferring of lines and grades from the engineer s stakes will be the contractor s responsibility. 1.4 COMPLETION TIME All items of contract work shall be substantially complete within five (5) working days. 1.5 ENVIRONMENTAL CODES AND REGULATIONS Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01110.doc

3 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 the enactment of new or the amendment of existing statutes, ordinances and regulations dealing with the prevention of the successful bid, the owner 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. 1.6 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 24 hours in advance of when he is ready for the test. 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. 1.7 CONTRACTOR'S STAGING AREA AND PLANT SITE An area will be set aside on the airport property for the contractor's use as a staging area for men, 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 his own security fence. The area shall be restored to its original condition at the conclusion of the work. 1.8 DISPOSAL OF WASTE MATERIAL Waste asphaltic concrete, aggregate, and earthen material shall be wasted off-airport at the contractor's expense unless designated otherwise. Disposal of waste materials shall be in accordance with governing agency safety and health requirements. Disposal sites shall be smooth graded and drain properly at the completion of the contractor s operations. 1.9 SITE INVESTIGATION AND REPRESENTATION The contractor acknowledges that he has satisfied himself 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 that he has satisfied himself as to 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 his 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 owner. The owner 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 owner. Representations for which liability is not expressly assumed by the owner in the contract shall be deemed only for the information of the contractor. Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01110.doc

4 1.10 INFORMATION ON SITE CONDITIONS All information obtained by the owner regarding site conditions, subsurface information, ground water elevations, existing construction of site facilities as applicable, and similar data will be available for inspection at the airport office upon request. Such information is offered as supplementary information only. The owner does not assume any responsibility for the completeness or interpretation of such supplementary information 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 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 owner for their accuracy or completeness 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 TEMPORARY WATER No potable water supply is immediately available at the designated contractor's staging area and plant site. The contractor shall make his own arrangements for obtaining water and pay all costs for same TEMPORARY ELECTRIC POWER No electric power is immediately available at the designated contractor's staging area and plant site. The contractor shall make arrangements for electric power for use during the construction period until final acceptance by the owner, and pay all costs for same SANITARY FACILITIES The contractor shall provide and maintain sanitary facilities for his employees and his subcontractor's employees that will comply with the regulations of the local and State departments of health and as directed by the engineer. PART 2: EXECUTION 2.1 SITE RESTORATION AND CLEAN UP 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. Any grass areas disturbed are to be graded flat, raked of rocks greater than ¾ diameter, and hydroseeded. 2.2 HAUL ROUTES AND MAINTENANCE Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01110.doc

5 The contractor shall abide by prevailing legal load limit regulations when hauling over city, state or county 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 his 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 as necessary to restore them. The contractor shall vary their haul routes across airfield pavements to protect them from damage caused by over use. 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. 2.3 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 Owner. 2.4 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 owner or lessees. 2.5 CLEAN UP The contractor shall at all times during the work keep the premises clean and orderly. He 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. 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 owner's property. 2.6 WORK PROGRESS SCHEDULE A. Scope: The work specified in this subsection includes planning, scheduling, and reporting that is required to be performed by the contractor. B. Method: A critical path or bar graph type schedule shall be submitted to the engineer for review and approval by the apparent low bidder within five (5) calendar days after Notice of Award. When the schedule has been approved, the contractor shall submit five (5) copies of it, one of which shall be approved and signed by the engineer and returned to the contractor. C. 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, de-mobilization, 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 days 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. END OF SECTION Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01110.doc

6 PART 1: GENERAL DIVISION 1 - GENERAL REQUIREMENTS SECTION CONSTRUCTION OPERATION PLAN 1.1 SCOPE This specification outlines safety procedures and regulations to be followed by the Contractor during the course of this work. Construction operations plans are provided in the contract plans as the Construction Phasing and Safety Plan. 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 F.A.A. AC 150/5370-2F Operational Safety on Airports During Construction," the "Manual of Uniform Traffic Control," and WSDOT Standard Specifications for road, bridge, and municipal construction. The construction operations plan has been developed 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. 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. In the event that construction activities are found to not be in conformance with the provisions of the Construction Operations Plan, the resident engineer will direct the Contractor to take the appropriate action. The goal is to prevent accidents. The plans shall be continually reviewed and adjusted at the weekly safety meetings with input from various users during the course of the project. Changes to the Contract shall be accomplished by a change order. All changes are to be coordinated with the FAA Airport District Office. 1.2 GENERAL SAFETY REQUIREMENTS During performance of this contract, the airport runways, taxiways, and aircraft parking aprons shall remain in use by aircraft to the maximum extent possible, CONSISTENT WITH CONTINUAL SAFETY. Aircraft use of areas near the Contractors work will be controlled to minimize disturbance to the Contractor's operation. The Contractor shall not allow employees, subcontractors, suppliers, or any other unauthorized person to enter or remain in any airport area, which would be hazardous to persons or to aircraft operations. 1.3 CONTRACTOR S RESPONSIBILITY FOR CONSTRUCTION AND FACILITIES MAINTENANCE A. Be aware of the types of hazards and marginal conditions identified in F.A.A. AC 150/5370-2F Operational Safety on Airports During Construction. B. Be aware of and conduct activities so as not to violate any safety standard in F.A.A. AC 150/5370-2F Operational Safety on Airports During Construction. C. Inspect all Contractor work, construction, and storage areas as often as necessary to be aware of conditions, and D. Promptly take all steps needed to prevent/remedy any unsafe or potentially unsafe conditions/activities discovered. E. Before commencement of construction/maintenance activity, Contractor shall coordinate with the Engineer to give notice (using the Notice to Airmen {NOTAM} system) of completion of construction/maintenance. Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01115.doc

7 DIVISION 1 - GENERAL REQUIREMENTS Section Construction Operations Plan (Cont.) F. Upon completion of work and return of all such areas to standard conditions, Contractor shall coordinate with the Engineer to issue notice (using the NOTAM system) of completion of construction/maintenance. PART 2: PRODUCTS 2.1 RUNWAY CLOSURE X The runway closure X shall be provided by the Contractor. The Contractor shall place, maintain, remove runway closure X and provide sand bags or similar materials to secure closure X in place. 2.2 BARRICADES Barricades shall be placed as shown on the plans, around perimeters of construction areas that border areas of aircraft traffic, or around any area which may present a hazard to aircraft. The barricades shall be firmly anchored against overturning from wind or prop wash. No direct payment will be made for furnishing barricades as described or for labor, equipment, and materials necessary to install them. The barricades shall be 18-inch high plastic conical barricades as specified by the current manual on Uniform Traffic Control Devices for streets and highways published by the U.S. Department of Transportation, Federal Highway Administration. Barricades shall be spaced not more than 10 feet apart. Flashing red lights shall be placed on every plastic barricade during nighttime hours. PART 3: EXECUTION 3.1 CONSTRUCTION AND MAINTENANCE A. GENERAL Construction/maintenance activity may not commence prior to issuance of a NOTAM. The Contractor shall advise the Engineer two (2) days in advance of the planned commencement of construction/maintenance activity so a NOTAM can be issued and shall not commence such activity until advised by the Engineer. Upon completion of work to the satisfaction of the Engineer, the NOTAM will be canceled. No further work in affected areas will be permitted. B. RUNWAY SIDES If an appropriate NOTAM has been issued, construction (using equipment under 10 feet tall) is permissible as close as the following distances from the centerline of runway indicated: Runway/Designation Feet From Runway Centerline Construction activities closer than the indicated distance, or using equipment taller than 10 feet are prohibited unless the activities are formally found unobjectionable to airport airspace by the FAA. C. RUNWAY ENDS Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01115.doc

8 DIVISION 1 - GENERAL REQUIREMENTS Section Construction Operations Plan (Cont.) If appropriate NOTAM has been issued, construction activity is permissible off the ends of the runway indicated below provided at least the indicated minimum safety area and indicated unobstructed approach slope are maintained: Runway End Number Minimum Safety Area Behind Threshold 240 Feet 240 Feet Minimum Unobstructed Approach Slope 20:1 to 200' behind threshold 1 20:1 to 200' behind threshold 1 Construction activities which reduce the available behind-threshold safety area below 200 feet, or which would penetrate or be above the indicated minimum unobstructed approach slope are prohibited unless temporarily relocated threshold markings are placed and the activities have been approved by the Engineer. 1 Under unusual and/or Category II and III instrument weather conditions, the Engineer, or Airport Manager may order the Contractor to temporarily suspend operations, move personnel, equipment and/or materials, and stand by at a safe location during takeoff or landing of aircraft. D. TAXIWAYS AND APRONS Normally, construction activity setback lines should be located at a distance of 25 feet plus one-half the wingspan of the largest predominant aircraft from the centerline of an active taxiway or apron. However, construction activity may be permitted up to the taxiway and aprons in use provided that the activity is first coordinated with the airport operator, the F.A.A. and the users; NOTAMs are issued; marking and lighting provisions are implemented; and it is determined the height of equipment and materials is safely below any part of the aircraft using the airport operations areas which might overhang those areas. An occasional passage of an aircraft with a wingspan greater than 165 feet should be dealt with on a case-by-case basis. E. EXCAVATION AND TRENCHES Runways: Excavations and open trenches may be permitted up to 200 feet from the centerline of an active runway, provided they are adequately signed, lighted and marked. In addition, excavation and open trenches may be permitted within 200 feet of the runway centerline on a case-by-case basis, that is, cable trenches, pavement tie-ins, etc., with the approval of the airport operator, the F.A.A. and the users. Taxiways: Excavation and open trenches may be permitted up to the edge of structural taxiway and apron pavements provided the drop-off is adequately signed, lighted and marked. F. STOCKPILED MATERIAL This section deleted. G. ADDITIONAL CONSTRUCTION LIMITATIONS Open flame welding or torch-cutting operations should be prohibited unless adequate fire and safety precautions are provided and have been approved by the airport operator. Open trenches, excavation, and stockpiled material at the construction site should be prominently marked with orange flags and lighted with flashing red light units (acceptable Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01115.doc

9 DIVISION 1 - GENERAL REQUIREMENTS Section Construction Operations Plan (Cont.) to the airport operator and the F.A.A.) during hours of restricted visibility and/or darkness. Under no circumstances are flare pots to be near aircraft turning areas. 3.2 BARRICADES AND CLOSURES A. Permanently Closed Runways and Taxiways: This section deleted. B. Temporarily Closed Runways and Taxiways: Temporarily closed runways are treated in the same manner as permanently closed runways, except runway markings are not obliterated. Rather, crosses are usually of the temporary type (constructed of material such as fabric or plywood) and they are required only at runway ends. The crosses should be located on top of the runway numerals. For temporary marking, the dimensions of the crosses may be reduced to permit use of standards sheets of 4 by 8 foot (1.22 by 2.44m) plywood. Temporarily closed taxiways should be treated as an unusable area and indicated in the same manner as hazardous areas (see paragraph D, below). C. Closed Airports: When all runways are closed temporarily, the runways are marked as in paragraph B (above), and the airport beacon and runway lighting are turned off. D. Hazardous Areas: Hazardous areas, in which no part of an aircraft may enter, are indicated by use of barricades with alternate orange and white markings. The barricades are supplemented with orange flags at least 20 by 20 inches (50 by 50 cm) square and made and installed so that they are always in the extended position and properly oriented. For nighttime use, the barricades are supplemented with flashing red lights. The intensity of the lights and spacing for barricades, flags, and lights must be such to delineate adequately the hazardous area. E. Stabilized Areas: This section deleted. F. Runway Shoulder Marking: This section deleted. G. Barricades, flagging, and flashers shall be installed around all work areas. Hazard markings and lighting shall be located as shown on the plans. H. The contractor is required to have someone on call 24 hours a day for emergency maintenance of airport hazard lighting and barricades. 3.3 TEMPORARY RUNWAY THRESHOLD DISPLACEMENTS This section deleted. 3.4 VEHICLE IDENTIFICATION AND PARKING A. Contractor vehicles and equipment shall be identified by painted or magnetic signing identifying the Contractor's company. Each vehicle operating on the airport operations area (AOA) shall have either an omni-directional amber flashing light or an FAA-approved orange and white checkered flag. The flag shall be at least three-foot square having a checkered pattern of international orange and white squares at least one foot on each side. B. Employee parking shall be confined to the Contractor's staging area shown on the plans. 3.5 CONSTRUCTION SITE ACCESS AND HAUL ROADS Access to the job site shall be as shown on the plans. Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01115.doc

10 DIVISION 1 - GENERAL REQUIREMENTS Section Construction Operations Plan (Cont.) 3.6 RADIO COMMUNICATIONS It is required that the Contractor monitor the Unicom frequency while working on the airfield. The Unicom frequency at Ocean Shores Municipal Airport is CONSTRUCTION PHASING REQUIREMENTS See Construction Phasing and Safety Plan. PART 4: MEASUREMENT AND PAYMENT 4.1 TEMPORARY FLAGGING, MARKING AND SIGNING Temporary flagging, marking and signing will be paid for at the contract lump sum price stated in the proposal. This price shall be full compensation for furnishing closure X, barricades, lights, pavement marking and lighting and other temporary markings and for maintenance of those items during the work, any necessary relocations, and for all labor, equipment, tools and incidentals necessary to complete the item. END OF SECTION Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01115.doc

11 DIVISION 1 - GENERAL REQUIREMENTS SECTION SUBMITTALS PART 1: GENERAL 1.1 SCOPE In addition to requirements in each Section of this Specification, comply with the following listed herein. 1.2 SHOP DRAWINGS Provide in accordance with General Conditions. requirements specified hereinafter. In addition, comply with the following Submit shop drawings to the engineer sufficiently in advance in accord with prearranged schedule to cause no delay in the contractor's own work or in that of any other subcontractor and to afford ample time for consideration, checking, correcting and re-checking. Show complete details of construction and methods of installation including sizes, dimensions, setting numbers, types of materials, provisions for hardware, accessory items, built-ins opening sizes, cut-outs, joints, required blocking, welds, anchorage to other construction and other pertinent items. Verify dimensions on job and correlate work with adjoining work. All shop drawings must be submitted on the same size sheets as engineer's drawings or on 8-1/2" x 11" or 11" x 17" size sheets. (Shop drawings on any other size sheet will not be accepted). Three (3) copies of approved shop drawings will be required for engineer's use unless otherwise indicated. Contractor shall determine the number of and furnish such additional copies as may be needed. NO SHOP DRAWINGS SHALL BE DISTRIBUTED FOR FIELD USE WITHOUT APPROPRIATE ENGINEER'S AND CONTRACTOR'S STAMP. 1.3 SUBMITTALS Submit for work in the following specification sections: Section Section Section Section P-609 Section P c Construction Schedule Staking Plan Filler Material Herbicide HMA Tack Coat Bituminous Emulsion Sand Paint Reflective Media END OF SECTION Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01340.doc

12 DIVISION 1 - GENERAL REQUIREMENTS SECTION CONSTRUCTION STAKING PART 1: GENERAL 1.1 SCOPE A. The intent of this section is to define the staking services provided by the Engineer and to set forth the responsibilities of the Contractor for construction staking, surveying, and computation of payment quantities. B. Survey work performed by the Contractor, under this section, shall be under the direct supervision of a State of Washington Registered Professional Land Surveyor licensed to practice within the state the project is located. Layout for the various items will be as referenced on the drawings, or as stated in this section. C. An electronic copy of the plans will be provided to the prime contractor after the award of the contract for informational purposes only. The signed drawings are the official documents from which the Contractor s required to construct the proposed improvements. PART 3: EXECUTION 3.1 RESPONSIBILITY OF THE CONTRACTOR The Contractor shall be responsible for all construction staking which may be required to insure the project is constructed to the lines and grades shown on the drawings. The Contractor will be required to furnish all lines, grades, and measurements necessary for the proper prosecution and control of the work contracted under these specifications. The Contractor shall submit a staking plan, for approval, indicating the surveying tasks they intend to perform to lay out the work. The following minimum staking requirements shall be met: Construction Staking and Layout includes but is not limited to: 1. Painting and Striping layout (pinned with 1.5 inch PK nails) marked for paint Contractor. (All nails shall be removed after painting) The Engineer must approve staking plan prior to construction. 3.2 VERIFICATION The Engineer reserves the right to verify any surveys or calculations performed by the Contractor and require a re-survey or re-calculation at the Contractor's expense should errors be found. The Contractor must give weekly copies of the survey notes to the Engineer so that the Engineer may check them as to accuracy and method of staking. All areas that are staked by the Contractor must be checked by the Engineer prior to beginning any work in the area. The Engineer will make periodic checks of the grades and alignment set by the Contractor. In case of error on part of the Contractor, or his/her employees, resulting in established grades and/or alignment that are not in accordance with the plans or as established by the Engineer, all construction not in accordance with the established grades and/or alignment shall be replaced without additional cost to the Sponsor. PART 4: MEASUREMENT AND PAYMENT 4.1 MEASUREMENT AND PAYMENT P:\City of Ocean Shores\037368\Design\Specifications\01406.doc Ocean Shores Municipal Airport Update: Notice F-2 1

13 Payment will be made at the contract lump sum price stated in the Contractor s Proposal. This price shall include all staking, re-staking, checking, materials and equipment necessary to lay out the work as shown on the plans and specified herein. END OF SECTION P:\City of Ocean Shores\037368\Design\Specifications\01406.doc Ocean Shores Municipal Airport Update: Notice F-2 2

14 DIVISION 1 - GENERAL REQUIREMENTS SECTION MOBILIZATION PART 1: GENERAL 1.1 SCOPE Mobilization shall consist of preparatory work and operations, including but not limited to, those necessary for the movement of personnel, equipment, supplies and incidentals to the project site; for the establishment of offices, buildings and other facilities necessary for work on the project; for premiums on bond and insurance for the project and for other work and operations which the contractor must perform or costs he must incur before beginning work on the project. PART 2: MEASUREMENT AND PAYMENT 2.1 LUMP SUM BASIS Payment for the performance of the mobilization work as above specified will be made at the contract lump sum amount for the item "Mobilization". The amounts to be allowed for "Mobilization" in the partial payment to be made under the contract will be made as follows: 1. When 5% of the total original contract amount is earned from other bid items, 50% of the amount bid for mobilization, or 5% of the total original contract amount, whichever is the lesser, less normal retainage, will be paid. 2. When 10% of the total original contract amount is earned from other bid items, 100% of the amount bid for mobilization, or 10% of the total original contract amount, whichever is the lesser, less normal retainage, will be paid. 3. Upon completion of all work on the project, payment of retainages plus any amount bid for mobilization in excess of 10% of the total original contract amount will be paid. The above schedule of partial payments for mobilization shall not be construed to limit or preclude partial payments otherwise provided by the contract. END OF SECTION Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01505.doc

15 DIVISION 1 - GENERAL REQUIREMENTS SECTION PROJECT CLOSEOUT PART 1: GENERAL 1.1 SCOPE Engineer shall prepare a punch list when notified by the contractor that work is completed. Engineer will conduct one final inspection only. All further inspections or punch lists as required will be made at $ per trip, at contractor's expense. (Note: Failure of engineer to include any item on punch list does not alter responsibility of contractor to complete work in accordance with Contract Documents). Deliver all items called for herein and under various specifications sections to engineer at completion of work. 1.2 PROJECT RECORD/AS-BUILT DRAWINGS As 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 his changes under this contract, showing all above information, changes and deviations from the original drawings. 1.3 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 removed from the project site and legally disposed of. All slopover from construction operations and the scattering of unused aggregate or waste material shall be removed. The work site shall be graded smooth to establish grade or if no grade is established, to a neat uniform condition as determined by the engineer. 1.4 CLOSEOUT The contractor shall furnish the following items required for acceptance and final payment before final payment will be released. A. Submit 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. B. Submit State "Certificate of Payment of State Excise Taxes by Public Works Contractor." C. Furnish to the Owner an "Affidavit of Wages Paid" according to the provisions of RCW D. Notify the Engineer, in writing, that he has completed his part of the contract and request final payment. E. Submit a summary of project DBE expenditures and DBE expenditures as a percentage of total construction cost. The Owner shall, within thirty (30) days after the releases from the three state agencies, pay to the Contractor all monies due him under the conditions of the contract upon the following: A. The Owner's acceptance of the Engineer's final estimate. B. The Owner's approval of the affidavit of the release of liens. C. Inspection and approval by the Federal Aviation Administration as required for Airport Improvement program. 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 Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01710.doc

16 DIVISION 1 - GENERAL REQUIREMENTS Section Project Closeout (Cont.) 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 Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\01710.doc

17 DIVISION 2 SITE WORK SECTION PAVEMENT PATCH REPAIR & CRACK SEALING PART 1: GENERAL 1.1 SCOPE This item shall consist of routing, cleaning and filling open cracks in existing asphaltic concrete surfaces and pavement patch repair. This work shall be performed and paid for in accordance with this specification. PART 2: PRODUCTS 2.1 FILLER MATERIAL The filler material for crack filling shall be a rubber asphalt product such as Koch 9070 or Koch 9075 Flex-A-Fill as manufactured by Koch Materials Co., Crafco Type 221 as manufactured by Crafco, or approved equal. The filler material shall meet ASTM D6690, Type II. 2.2 HERBICIDE The herbicide to kill the weeds prior to cleaning the cracks shall be Round-up or approved equal. 2.3 BITUMINOUS SURFACE COURSE Bituminous surface course shall comply with the section 5-04 requirements of HMA Cl. ½ PG in the 2012 WSDOT Standard Specifications. 2.4 TACK COAT Asphalt for tack coat shall be CSS-1, CSS-1h, or STE-1 emulsified asphalt. The CSS-1 and CSS- 1h emulsified asphalt may be diluted with water at a rate not to exceed one part water to one part emulsified asphalt. The tack coat shall not exceed the maximum temperature recommended by the emulsified asphalt manufacturer. PART 3: EXECUTION 3.1 EQUIPMENT All methods employed in performing the work and all equipment, tools, and machinery used for handling the material and executing any part of the work shall be subject to the approval of the Engineer before the work is started, and whenever unsatisfactory, they shall be changed or improved as required. All equipment, tools, machinery and containers must be kept clean and maintained in satisfactory condition. 3.2 CLEANING OF CRACKS A. GENERAL Apply herbicide to cracks containing weeds, grass, or other vegetation in advance of crack sealing operations. Allow a waiting period for the herbicide to work in accordance with the manufacturers recommendations. The cracks shall be cleaned of all loose material, vegetation and other objectionable material. Cleaning shall be accomplished using a heat lance, air pressure, or similar device to loosen and blow the material from the crack. After the cracks are cleaned, the entire paved surface shall be cleaned of foreign material. Care shall be taken not to refill cracks with the foreign material. Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\02578.doc

18 The above information is based on current manufacturer s recommendations for proper installation of specified products listed. If the Contractor wishes to use a different product or preparation method, the material and method must be submitted for approval by the Engineer prior to use. If settlement occurs in the rubberized asphalt, the cracks shall be refilled until they match or are no lower than 1/8 inch of the finished surface. Any excess buildup of filler material will not be permitted. Any spillage or loose material shall be removed from the surface. Cracks in areas to receive fog seal shall be cleaned of vegetation and loose material as required above, then filled and leveled with a sealing shoe. B. CRACK SEAL PREVIOUSLY SEALED CRACKS All existing sealed cracks to be resealed shall be cleaned of vegetation and any other objectionable material prior to filling. Cleaning shall be accomplished using a heat lance to liquify the existing material to the satisfaction of the Engineer. Filling of cracks shall be placed in a minimum of two lifts and shall not commence until they are clean and dry. C. CRACK SEAL ROUTED CRACKS Existing cracks less than ½ inch in width (either previously sealed or unsealed) identified by the Engineer for routing shall be routed to a minimum depth of 3/8 inch and a maximum depth of ½ inch to create a reservoir for the crack sealant. If the routing action creates additional raveling, notify the Engineer for further direction. When filling cracks and voids, the filler material shall be placed in one lift to within 1/8 inch of the top of the crack. Re-fill sections that sink. 3.3 WEATHER LIMITS Crack filler materials shall not be placed/applied when either atmospheric or pavement temperature is 45 degrees F and falling but may be applied when either the atmospheric or pavement temperature is 40 degrees F and rising. Surfaces shall be dry and component materials shall be protected from free moisture. 3.4 PAVEMENT PATCH REPAIR Failed bituminous pavement areas indicated in the plans for removal shall be full depth sawcut around the perimeter of the area to be removed. The Contractor shall remove a total of 2-inches of material, including bituminous pavement and base material to allow for placement of a 2-inch asphalt material layer. Materials and methods of construction shall comply with the other applicable sections of this specification. The Contractor shall conduct the pavement removal and excavation operations in a manner that will protect the pavement that is to remain. Pavement not designated to be removed that is damaged as a result of the Contractor s operations shall be repaired by the Contractor to the satisfaction of the Project Engineer at no cost to the Owner. The Contractor shall not remove more area than can be completely finished during the same shift. Removed materials will become the property of the Contractor and shall be disposed of in a Contractor-provided location off-site. A heavy application of tack coat shall be applied to all surfaces of existing pavement in the pavement repair area. Placement of the HMA backfill shall be accomplished in lifts not to exceed 0.35-foot compacted depth. Each lift shall be thoroughly compacted by a mechanical tamper or a roller. Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\02578.doc

19 PART 4: MEASUREMENT 4.1 The quantity of Crack Cleaning and Sealing shown on the plans or designated by the Engineer will be measured by the linear foot for cracks which have been cleaned, filled and repaired as specified. 4.2 The quantity of Pavement Patch Repair shall be measured by the number of square yards, delineated by the neat line limits of sawcut, completed in accordance with the specifications and accepted by the engineer. There shall be no separate measurement for sawcut, pavement removal, aggregate removal, tack coat, HMA, or other materials necessary to complete the work. PART 5: PAYMENT 5.1 Payment for Crack Cleaning and Sealing will be made at the contract unit price per linear foot based on the actual length of repairs as directed by the Engineer. This price and payment shall be full compensation for all labor, equipment, materials, tools, and incidentals necessary to complete the item. 5.2 Payment for Pavement Patch Repair shall be made at contract unit price per square yard (SY). This price shall be full compensation for furnishing all materials and for all preparation, hauling, and placing of the material, compaction and for all labor, equipment, tools, and incidentals necessary to complete this item. There will be no separate payment for sawcut, pavement removal, aggregate removal, tack coat, or HMA. END OF SECTION Ocean Shores Municipal Airport P:\City of Ocean Shores\037368\Design\Specifications\02578.doc

20 DIVISION 2 - SITE WORK SECTION P-609 POLYMERIZED BITUMINOUS FOG SEAL COAT PART 1: DESCRIPTION 1.1 This item shall consist of providing and applying a bituminous surface treatment composed of a of a polymerized emulsion bituminous fog seal placed on the previously prepared existing asphalt wearing surface, in accordance with these specifications. PART 2: MATERIALS 2.1 BITUMINOUS EMULSION CONCENTRATE The emulsion concentrate, in the undiluted state, shall have the following properties: Saybolt furol viscosity: Residue by distribution or by evaporation: Naptha content: Sieve test: 77 F (25 C), seconds 57 percent, minimum 1 percent, maximum 0.2 percent, maximum A. Gilsonite Fog Seal Requirements The Gilsonite fog seal material shall consist of blended bituminous concentrate material, water, and polymer. The formula shall be one part bituminous emulsion concentrate to one part water, by volume with one percent polymer, by volume, added to the mix. If the polymer is added to the mix at the job site, polymer shall be added while the circulation pump is running, the mix is agitated for a minimum of 15 minutes, and the polymer is mixed to the satisfaction of the Engineer. Emulsion concentrate material shall be GSB-88 Emulsion Sealcoat Concentrate as manufactured by Asphalt Systems, Inc. or ERA-C as supplied by Albina Asphalt, or prebid approved equal. The bituminous base residue material shall contain not less than 20 percent Gilsonite and shall not contain any tall oil pitch. The emulsion concentrate, in the undiluted state, shall have a ph of 2 to 6.5 (cationic). It shall be compatible with asphalt concrete and have a 5-year, minimum, proven performance record at a commercial airport. Curing time, under recommended application conditions, shall not exceed 4 hours. Upon request, the Contractor shall submit two 1-gallon samples of diluted, ready-to-apply bituminous material for each load delivered. Samples shall be obtained in the presence of the Engineer. The vinyl acrylic copolymer shall be approved for use by the manufacturer of the bituminous material for compatibility and shall have the following properties: Solid content, percent by weight: Weight per gallon, lbs Emulsion: Resin Solids ph: 5.0 Viscosity, cps (as tested by the BrookfieldRVT #3 spindle 55 percent 9.0 lbs 9.8 lbs at 20 rpm and 25 C): 2,250 Particle charge: Nonionic Ocean Shores Municipal Airport P P:\City of Ocean Shores\037368\Design\Specifications\P-609.doc

21 Free monomer, percent by weight: 0.5 percent, maximum Mechanical stability: Excellent Minimum film forming temperature, C: +5 Tg C +1 Upon request, the Contractor shall submit manufacturer s specifications for vinyl acrylic copolymer for review and approval. B. Alternate Fog Seal Material Requirements Alternate Fog Seal material shall be Carbon Plex H-25 SS-1hh manufactured by Carbonyte Systems, Inc. The formula shall be one part bituminous emulsion concentrate to one part water, by volume, mixed to the satisfaction of the Engineer. The material to be used will be compatible with asphalt concrete and must not exceed local Volatile Organic Compound (VOC) content limits. Performance records of material used at other airports shall be supplied by contractor. Emulsion Residue Test Results (Distillation) 77 F: 8 20 Softening Point: 70 C minimum Original 86 C: 1.0 The bituminous base residue shall contain petroleum derived asphalt and will not contain other diluents or hazardous materials such as creosote, halogenated solvents, mercury, lead, or other carcinogens as defined by the 29 CFR Curing times, under manufacturers recommended application conditions, shall not exceed 6 hours. Upon request, the Contractor shall submit two 1-gallon samples of diluted, ready-to-apply bituminous material for each load delivered. Samples shall be obtained in the presence of the Engineer. C. Aggregate Bonding Agent Material Requirements Aggregate Bonding Agent material shall be AROS Safety Seal SHF manufactured by Coe Polymer, Inc or approved equal. The formula shall be five parts fog seal solution to one part water, by volume, mixed to the satisfaction of the Engineer. The material to be used will be compatible with asphalt concrete and must not exceed local Volatile Organic Compound (VOC) content limits. Performance records of material used at other airports shall be supplied by contractor. The fog seal solution shall have the following properties: Solid content, percent by weight: Cationic emulsion Viscosity percent ph >100 sec The bituminous base residue shall contain petroleum derived asphalt and will not contain other diluents or hazardous materials such as creosote, halogenated solvents, mercury, lead, or other carcinogens as defined by the 29 CFR Curing times, under manufacturers recommended application conditions, shall not exceed 6 hours. Ocean Shores Municipal Airport P P:\City of Ocean Shores\037368\Design\Specifications\P-609.doc