ASHE201071_Rubber removal and sustain runway markings tech spec.pdf

Project # ASHE 20-1071 Technical Specifications DATE: August 2022

31CES/CENM

DATE: AUGUST 2022

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENM

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS

ASHE 20-1071

RUNWAY RUBBER REMOVAL AND MARKINGS SUSTAINMENT

AREA F, AVIANO AB, ITALY

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1. SCOPE OF WORK

The Contractor shall provide all management, tools, templates, supplies, equipment, transportation and qualified personnel necessary to remove rubber, restore the friction coefficient of the runway surface pavement using high-pressure water jets and paint or remove paint from various areas of the entire surface of the Runway. The contractor shall assure that before spraying paint the surface will be clean and dry to guarantee 100% adherence. Additionally the contractor, when painting over previously coated areas, shall take special care to remove accumulation of paint areas and to remove any loose or peeling paint. The contractor shall follow specifications stated in Attachments 3, 4, 5 and 6.

1.1. RUBBER REMOVAL

1.1.1. Mechanical removal equipment

Submit product data for mechanical rubber removal equipment including area of coverage per pass, range of water pressures, and water tank capacity.

Mechanical removal equipment includes water blasting, grinding or scarifying, or other approved non-chemical systems. Control the equipment used on asphalt or tar concrete to remove rubber accumulations while minimizing disturbances to asphalt or tar mixtures. Control the equipment used on Portland cement concretes to remove rubber accumulations and prevent removal of hardened paste from the concrete. Basic hand tools and the following major types of mechanical equipment are considered acceptable for this project: Water blasting Equipment.

Provide mobile water blasting equipment capable of producing a pressurized stream of water that effectively removes rubber from the pavement surface without significantly damaging the pavement. Provide equipment, tools, and machinery which are safe and in good working order at all times. Provide equipment interlocks to prohibit high pressure water discharge when the vehicle or cleaning head is stationary (not moving forward or side to side).

1.1.2. Execution

Prior to any work being completed, submit a Rubber Removal Process Plan for approval by the Contracting Officer.

The pavement surface type is Portland cement concrete and asphalt mixture.

Remove all visible rubber on Portland cement concrete pavements and on asphaltic concrete pavements. Remove all paint that is loose, flaking, chalky, or not to be re-marked.

Exercise close control of water pressure and blasting time/duration to prevent damage to joints, existing markings that are not intended for removal, or the wearing surface.

Demonstrate the ability to remove rubber at a touchdown area of the runway selected by the

Contracting Officer; at least one site per runway will be chosen. Rubber removal must not damage the pavement surface. The surface texture of the cleaned demonstration area will be

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compared to that of non-rubber traffic areas to determine satisfactory completion of the removal operation.

After approval of the Contractor's operations by the Contracting Officer, the cleaned sample area will become the standard for rubber removal and final surface texture for the remainder of work.

Do not permit high-pressure water application to remove the existing pavement surface, joint seals or crack seals. Provide water pressure impact upon the indicated pavement areas sufficient to remove the designated rubber to the required degree of removal without damaging the existing pavement, joint sealant, or other airfield appurtenances. The Contractor is responsible for repairing any damage caused by the removal work.

Keep the worksite clean of by-products, debris and waste from rubber removal operations.

Perform cleanup operations continuously. Remove all residue from the pavement. Submit a Waste Collection, Identification and Disposal Plan describing proposed actions regarding waste collection, control, identification, and disposal to the Contracting Officer's Representative for approval prior to the start of work. The plan will address disposal methods and requirements for hazardous and non-hazardous wastes.

Repair any damage to the pavement surface, joint, joint and crack seals, or other

Government property caused during the performance of the work at the Contractor's expense. Submit a repair plan to include methods and material to the Contracting Officer's Representative for approval prior to performance of the repairs.

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1.2. MARKINGS SUSTAINMENT

The pavements included in the scope are the Runway, Victor Loop and Zulu Loop, Alpha 1, Alpha 2, Alpha 3, Bravo 1, Bravo 2, Bravo 3 taxiways (from the VFR Hold Position line to the Runway centerline) as shown in the attachment 1.

White and yellow colors shall be refractive (rifrangente) type with post-spray glass beads, black color will not be reflective type. The colors shall match the existing colors on the pavement and shall be of the correct thickness, length, and width as per the instructions specified in the attachments 3, 4 and 5.

The contractor shall assure that before spraying paint the surface will be clean and dry to guarantee 100% adherence. Additionally the contractor, when painting over previously coated areas, shall take special care to remove accumulation of paint areas and to remove any loose or peeling paint. The contractor shall follow specifications stated in Attachments 3, 4, 5 and 6.

If any markings in the pavement include numbers and/or letters, the contractor shall paint the existing numbers and/or letters shown on the pavement if no other instruction by the project manager is given.

The contractor shall follow all specifications for paint application per UFGS 32 17 23 Pavement

Markings, Aviano Masterspecs 2020, UFC 3-206-04 16 May 2018 Attachments 3, 4 and 5, AFMAN 13-204V2 and UFC 3-575-01.

Contractor shall notify Project Manager timely before work starts in order to coordinate escorts, access to the Runway.

The site shall be clean and free of debris at all times and debris collected on the spot that shall be completely clean up before the end of every workday.

Supplies and materials shall be stored in an area designated by the Airfield Manager. No flammable products will be allowed in temporary storage area. The area will be under Contractor responsibility and it will be fenced, secured and identified with proper sign, company name and phone number.

At the end of each working day the contractor will provide an electronic daily work progress report to the Project Manager showing quantity of work performed for each single area.

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2. WORK LOCATION

3. WORK SITE CONDITIONS

The work area is located within the Airfield. Escort from GVT personnel will be required at all times. Before works performance, Contractor, in coordination with the Airfield manager, will submit a detailed work schedule to be approved by C.O. Work schedule will include detail of every activity that may limit normal operations. Coordinate performance of all work in the controlled zones of the airfield with the Contracting Officer and with the Flight Operations Officer or Airfield Manager.

Neither equipment nor personnel can use any portion of the airfield without permission of these officers unless the runway is closed.

Every day before starting project activities, Contractor shall stop by Base Ops (B.1023) to communicate number of workers, work area involved by the works and he shall wait Base Ops approval and Escorts arrival before accessing to Airfield area.

The Contractor is authorized to use reasonable quantities of electricity, water where approved by

Project Manager, in all other areas the Contractor will provide electric generator, and water tanks if necessary. The Contractor shall not alter characteristics and shall observe conservation practices at all times.

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Submit a schedule of work to the Contracting Officer. Describe the work to be accomplished; noting the location of work, distances from the ends of runways, taxiways, buildings, and other structures;

and indicating dates and hours during which the work will be accomplished. Schedule the work to conform to aircraft operating schedules. The Government will try to schedule aircraft operations so as to permit the maximum amount of time for the Contractor's work. However, in the event of any emergency, intense operational demands, adverse wind conditions, and other unforeseen difficulties, discontinue all work at locations in the aircraft operational area. Keep the approved schedule of work current and notify the Contracting Officer of any changes prior to beginning each day's work.

For Rubber removal ensure pavement surface is free of snow, ice or slush. Ensure surface temperature is at least 5 degrees C 40 degrees F and rising at the beginning of operations. Cease operation during thunder and lightning storms. Cease operation during rainfall except for water blasting and removal of previously applied chemicals. Cease water blasting where surface water accumulation alters the effectiveness of material removal.

Water to be used for high-pressure water equipment will be made available from Government hydrants. Furnish equipment and labor for delivery of water from the hydrant to the job site. Notify the Contracting Officer on location of fire hydrants to be used and the respective times of use. The Contracting Officer will notify the Fire Department of fire hydrants to be used and designated times of use. Connections to a fire hydrant will be subject to the Contracting Officer's inspection and approval. The Contractor must provide and use a backflow prevention device for filling water tanks.

The Contractor is responsible for testing, treating, and filtering the water to ensure it will not interfere with the rubber removal or damage or clog the rubber removal equipment.

Authorized work hours and days: rubber removal on the runway must be carried out during the absence of flight operations, could be perform nighttime from Monday to Sunday. The performance day must be established in advance and coordinated with the airfield manager and project manager.

The painting of the markings will be carried out in the time window immediately following the removal of the rubber in which the correct pavement conditions are satisfied (surface dry and free of any type of debris). Also this second phase of the project will be planned together with the airfield manager and project manager in order not to interfere with flight operations.

Emergencies take precedence over all operations. Upon notification from the Control Tower of an emergency landing or imminent takeoff, stop all operations immediately and evacuate all personnel and equipment to an are not utilized for aircraft traffic which is at least 76 m (250 feet) measured perpendicular to and away from the near edge of the runway unless otherwise authorized by the Contracting Officer or the Contracting Officer's Representative. Equipment and chemicals or detergents as well as excess water must be able to clear the work area within 3 minutes.

When night operations are necessary, provide all necessary lighting and equipment. Direct or shade lighting to prevent interference with aircraft, the air traffic control tower, and other base operations.

Provide lighting and related equipment capable of being removed from the runway within 15 minutes of notification of an emergency. Night work must be coordinated with the Flight Operations Manager or Airfield Manager and approved in advance by the Contracting Officer or authorized representative.

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Toilet facilities near the work site shall be available for Contractor use. The Contractor shall use facilities in a manner to maintain their state of cleanliness and hygiene.

The Contractor shall not use base refuse containers to discard debris. All rubber, paint removal and construction debris shall be disposed by the Contractor off base at authorized sites according to category of debris / refuse in strict observance of all national laws, decrees and local regulations in force.

The Contractor shall be responsible for ensuring all personnel engaged in the performance of this contract observe all national laws concerning safety. At all times the Contractor will assure all personnel are wearing the correct safety equipment when performing their work, such as hard hats, steel toe boots, gloves, reflective gear and any other equipment deemed necessary to perform their work in the safest way. The Contractor shall also assure all personnel comply with Italian laws DM.

81/08. A copy of the Piano Operativo di Sicurezza (POS) will be provided to Contracting and Safety Coordinator minimum 10 days in advance for the approval. C.O. will forward a copy to 31FW/SE

(ph. 0434-304817) after contract award. Before work activities staring the contractor must have all the safety documentation required by DM. 81/08 approved, including the meeting with the Safety and Occupational Health Manager for the DUVRI.

Performance of this project will be in restricted areas requiring controlled entry/exit and escort at all times and this shall be considered during development of the work schedule.

The government will not be held liable for unproductive time and other related costs due to delays in access/exit to/from the restricted areas or unannounced and immediate suspension of work due to military operations and/or exercises or safety reasons. The Government will only negotiate an equitable extension of the performance period based on documented delays and unannounced suspension of work.

Smoking on site is prohibited for all contractor personnel.

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4. WORK ITEMS DESCRIPTION

Each item of the schedule is inclusive of furnishing and installation of materials and equipment, transportation to dump, and storage of demolished and / or removed materials, in accordance with contracting officer’s instructions and all finishing work required to make each item complete in a workmanlike manner.

ALL QUANTITIES INDICATED IN THE PROJECT DOCUMENTS FURNISHED BY THE

GOVERNMENT, INCLUDING THE CONSTRUCTION COST BREAKDOWN, ARE

ESTIMATES AND THE GOVERNMENT SHALL NOT BE HELD RESPONSIBLE FOR THE

ACCURACY OF THE ESTIMATED QUANTITIES. THE CONTRACT SHALL REQUIRE A

COMPLETED PROJECT ON A LUMP SUM BASIS. IT IS THE RESPONSIBILITY OF THE

OFFEROR TO CALCULATE, FORESEE AND PERFORM ALL QUANTITIES OF WORK

MANIFESTLY NECESSARY TO DELIVER A COMPLETE PROJECT BASED ON ITS

OVERALL SCOPE.

4.1. Rubber removal

Contractor shall provide all labor, material and equipment necessary to restore the friction coefficient of the surface pavement using high-pressure water jets. Surface renewal will be accomplished by removing the rubber deposits and other materials (i.e. oil, fuel, and deicing agents) from the pavement’s micro-texture. The work is defined as square unit of removal. The work shall be performed at the locations designated on the plans (attachment 1).

Remove the rubber deposits and other materials from the pavement surface micro-texture using ultra-high pressure water jets. Do not perform work unless the temperature is a minimum of 5ºC (40º F) and rising and the pavement temperature is a minimum of 2ºC (35º F) and rising. Surface renewal may be performed during inclement weather provided the rubber, water, and debris is contained by the vacuum system.

Water to be used for high-pressure water equipment will be made available from Government hydrants at no cost to the Contractor. Furnish equipment and labor for delivery of water from the hydrant to the job site. Water collected by the vacuum system shall be separated from the rubber and other debris and discharged to a location designated by the airfield and project manager. Rubber and debris collected by the vacuum system shall be properly disposed in an approved landfill. The work shall be performed without causing damage to the light fixtures or other airfield property.

Contractor shall assess the starting friction coefficient factors before and after the surface renewal.

The baseline friction measurement shall be measured on the pavement surface at the edge of the runway that has not been contaminated by rubber deposits or other materials. Friction measurements taken following the surface renewal and pavement shall not be less then 5% the friction results obtained from the uncontaminated pavement surface. If the uncontaminated surface is 1.00 then the cleaned surface shall be greater then 0.95. At the end contractor shall provide an operation report and a certificate of compliance for the runway.

m² 18’000

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4.2. Surface preparation

Contractor shall clean / wash / prepare all surfaces prior to painting as needed. Contractor shall remove all dirt, loose old paint particles (spolvero), accumulations of old paint, rubber, grease, oil, and other foreign substances from all surfaces which are to be painted including new markings. All work shall be performed using proper equipment and any other work to provide a job in a workmanlike manner. This is to be included in the painting.

L.S. 1

4.3. Refractive painting (YELLOW and WHITE)

Contractor shall paint all existing areas, lines, letters and numbers with refractive paint Yellow 33538 and White RAL 9016. Paint composition shall consist of a mixture of paint and glass beads and shall have the property of angular reflectivity. Paint shall maintain color and reflective action for at least two years after application.

Water based reflective paints with additional post-sprayed glass microspheres, with immediate refraction power: the paint consists of a mixture of resin and plasticizers, pigments and fillers all contained in a based water suspension.

Follow manufacturer specifications for application of reflective media immediately after application of paint. Accomplish drop-on application glass beads to insure even distribution at the specified rate of coverage. Provide type of applicator machine commonly used for application of paint to pavement surfaces. Applicator machine shall be equipped with the necessary paint tanks and spraying nozzles and shall be capable of applying paint uniformly at coverage specified.

The paint will be suitable for concrete and asphalt surfaces, high adherence and high resistance to abrasion, wear, environmental agents, fuels and oils including chemical / superficial crumbling (sgretolamento) resistance to bituminous surfaces.

The contractor shall follow paint manufacturer technical specification when mixing glass beads with paint to achieve the desired mixture for refractive purposes. Painting equipment will be capable of spraying for a width of 10 – 50 cm, each coat of paint must homogenous, uniform and of a constant layer of about 180 - 200 micron, edges in general must be clean-straight without any over-spraying (sbavatura). The lines width will be strictly 6” / 15 cm wide even if existing lines are wider. Paint will be lead components free, type “Spartitraffico Rifrangente Giallo, serie 8530.0028 /.0344” for yellow, “Spartitraffico Rifrangente Bianco serie 8530.0395” for white, Colorificio Sammarinese or similar approved to include any item required to give the job in a workmanlike manner and in accordance with regulatory requirements. Samples must be provide for Government approval.

During the marking hydroclean removal and paint, the Contractor is responsible to protect properly the existing lights and will be responsible for any damage. Here under technical specification details for the refractive painting:

Yellow and white paints shall conform to UNI EN 1436 / 2018:

Luminance factor / fattore di luminanza B: = > 60 yellow, = > 60 white.

Night visibility / visibilita` notturna Rl wet conditions = > 20 yellow, = > 30 white.

Daily visibility / riflessione luce giorno Qd; = > 200 yellow and white.

Resistance to slip / coefficente di attrito: = > 55 SRT yellow, = > 45 SRT white Drying time / tempo di essicazione: 15’-20’ with air temperature 10° – 40° Celsius.

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Specific weight Kg/lt: 1.710 +- 0.030 yellow, 1.720 +- 0.070 white % Bioxide of titanium / biossido di titanio: 14.3% +- 0.2 only white % Glass beads / micro-sfere di vetro: 30% +- 0.5 yellow, 30-33% white Reflective index / indice rifrazione microsfere: 1.51 yellow and white

Estimated quantities:

Description Type Color Items number Length (m) Width (m) Area (m²)

Centerline Area White 51 30 0.9 1377 Side stripe north Stripe White 1 2600 0.9 Side stripe south Stripe White 1 2600 0.9 Azimuth designation (05) Area White 2 9 3 54 Threshold bars west Area White 12 30 1.85 666 Touchdown zone west 1 Area White 6 22.5 1.8 243 Touchdown zone west 2 Area White 6 22.5 1.8 243 Aiming points west Area White 2 45 9 810 Touchdown zone west 3 Area White 4 22.5 1.8 162 Touchdown zone west 4 Area White 2 22.5 1.8 81 Touchdown zone west 5 Area White 2 22.5 1.8 81 AAS warning Area Yellow 12 2.65 2.65 84 Taxiway Victor centerline Stripe Yellow 1 175 0.15 Taxiway Zulu centerline Stripe Yellow 1 100 0.15 Taxiway A1 centerline Stripe Yellow 1 105 0.15 Taxiway A2 centerline Stripe Yellow 1 300 0.15 Taxiway A3 centerline Stripe Yellow 1 300 0.15 Taxiway B1 centerline Stripe Yellow 1 75 0.15 Taxiway B2 centerline Stripe Yellow 1 300 0.15 Taxiway B3 centerline Stripe Yellow 1 300 0.15

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4.4. Non – refractive painting (BLACK)

Contractor shall paint some background of signs and lines with non-refractive Black RAL 9017. The paint will be suitable for concrete and asphalt surfaces, high adherence, high resistance to abrasion, wear, environmental agents, fuels and oils including chemical / superficial crumbling (sgretolamento) resistance to bituminous surfaces. Painting equipment will be capable of spraying for a width of 10 – 50 cm, each coat of paint must homogenous, uniform and of constant layer of about 180 - 200 micron, edges in general must be clean-straight without any over-spraying (sbavatura). The lines width will be strictly 6” / 15 cm wide even if existing lines are wider. Paint will be lead components free, type “Spartitraffico Nero, serie 8510.0099, Colorificio Sammarinese or similar approved to include any item required to give the job in a workmanlike manner and in accordance with regulatory requirements. Here under technical specification details for non-refractive painting:

Luminance factor / fattore di luminanza: = < 0.03 black .

Specific weight Kg/lt: 1.438 + - 0.040 black Drying time / tempo di essicazione: 20’-25’ with air temperature 10° – 40° Celsius.

Description Type Color Items number Length (m) Width (m)

Area (m²)

Side stripe north edge Stripe Black 1 600 0.15 Side stripe south edge Stripe Black 1 600 0.15 Azimuth designation (05) Stripe Black 1 48 0.15 Threshold bars west Stripe Black 1 765 0.15 Touchdown zone west 1 Stripe Black 1 290 0.15 Taxiway Victor centerline Stripe Black 2 175 0.15 Taxiway Zulu centerline Stripe Black 2 100 0.15 Taxiway A1 centerline Stripe Black 2 105 0.15 Taxiway B1 centerline Stripe Black 2 75 0.15

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5. ATTACHMENTS

1. Markings and rubber removal layout

2. Material Submittal Register

3. Extract of Aviano Masterspecs 2020

4. UFC 3 260 04 2018 - Airfield and Heliport Marking

5. UFGS 32 17 23 - Pavement Markings

6. UFGS 32 01 11.51 - Rubber And Paint Removal From Airfield Pavements

6. SUBMITTALS

Contractor must provide the following submittals as per attached submittal register (attachment 2):

a. Preconstruction Submittals:

1. Schedule of work

2. Rubber Removal process plan

3. Waste collection, identification and disposal plan

4. Materials samples, warranties, catalog and technical data as specified in the submittal register.

b. Contractor must provide to CO the following Form requests within 15 days of Notice to Proceed:

1. Base Access Pass Request Form for all personnel working on the project.

2. Airfield Driving Training Request that must complete and submit for Airfield Driving

Training Record to the Project Manager.

c. Contractor must submit during on-site construction the following.

1. Daily Construction Reports. To be completed for everyday work is performed on site and to be completed for any day the contractor is unable to perform work on site due to weather or Government delay stating justification for delay. The daily reports may be issued on a weekly basis.

d. Contractor must provide the following submittals within 15 days of completion of on-site construction and prior to receipt of the final payment:

1. Last copy of Italian “Formulario” of rubber and markings hydro clean removal.

2. Warranty Letter for all construction works performed, 1 Digital (PDF) and 2 Hardcopies.