# Presentation: 707777

## FAA Partnership Conference Fort Worth TX March 2005

**FAA Partnership Conference Fort Worth TX March 2005**

- Jeffrey Rapol, AAS-100, Airport Engineering Division
- Washington DC, 20591 202-267-7474
- jeffrey.rapol@faa.gov

- Session C Airport Engineering
- Paint – Getting It On & Taking It Off

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Objectives of Presentation

- Provide Federal Aviation Administration (FAA) References
- _FAA Advisory Circulars_ (ACs)
- Overview of FAA Headquarters and FAA Region Roles
- Overview of Air Force Engineering Technical Letter Guidance—Perhaps the best available guidance on removal of paint and rubber
- Questions / Dialog / Interaction

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## What is the Problem?

- Paint is discoloring, chipping, or peeling at an early age.
- Paints and markings degrade with the effects of traffic and weather.
- When is the best time to replace markings?
- Too soon increases maintenance costs.
- Too late has the potential to compromise safety and pilot comfort.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## FAA Guidance

- _AC 150/5340-1H_ Standards For Airport Markings
- _AC 150/5370-10A _Standards For Specifying Construction of Airports
- Item P-620

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Standards For Airport Markings

- In 8/99, the marking AC requires obliteration of markings no longer needed.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Standards For Airport Markings

- In 12/00, the marking AC clearly requires obliteration of markings no longer needed.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Item P-620 Marking Specifications

- Latest Revision 11/26/04.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Item P-620 Marking Specifications

- Requires reflective glass beads in markings.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Airport grade Bead
Type III, “High Index Bead” made from high density glass. 

Highway grade bead
Type I, “Low Index Bead” made from reclaimed scrap glass. 
Type IV, “Low Index Bead” made from glass with fewer air bubbles. 

- Airport grade Bead
- Type III, “High Index Bead” made from high density glass.
- Highway grade bead
- Type I, “Low Index Bead” made from reclaimed scrap glass.
- Type IV, “Low Index Bead” made from glass with fewer air bubbles.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## FRICTION CHARACTERISTICS
K.J. Law Friction Tester Classification(after AC 150/5320-12C)
40mph  0.50(min.), 0.60(maint.), 0.82(new)
60mph  0.41(min.), 0.54(maint.), 0.72(new)

**K.J. Law Friction Tester Classification****(after AC 150/5320-12C)**
**40mph  0.50(min.), 0.60(maint.), 0.82(new)**
**60mph  0.41(min.), 0.54(maint.), 0.72(new)**

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## FAA Guidance

- Waterborne Paint
- Meet TT-P-1952D
- Solvent-Based Paint (Local Environmental Rules apply)
- Methacrylate
- Epoxy

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Item P-620 Reflective Media

- REFLECTIVE MEDIA.  Glass beads shall meet the requirements for [specify type].  Glass beads shall be treated with adhesion promoting and/or flotation coatings as specified by the manufacturer.
- The Engineer inserts all that will be used in the project.  When more than one bead type is specified, the plans should indicate the bead type for each marking.
- [TT‐B‐1325C, Type I, gradation A] smallest bead
- [TT‐B‐1325C, Type III] larger bead
- [TYPE IV] largest bead-more paint per square foot
- The Engineer should consult with the paint and bead manufacturer on the use of adhesion, flow promoting, and/or flotation additives.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Wet Film Thickness    (Dry Film = Wet film  %Solids)

- 36 mils

- #20

- 18 mils

- 13.9 mils
- or 15 mils

- #20

- #30

- #40

- #50

- #100

- Epoxy Paints, 100

- % solids

- Waterborne or Solvent based, 60

- % solids

- #20

- Methacrylate Paints, 100

- % solids

**Wet Film Thickness    (Dry Film = Wet film ******** %Solids)**

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Hand-Held Retroreflectometer

- These devices can spot check the condition of selected retroreflective pavement markings.
- Not Required in specification—FAA researchers use to evaluate marking materials.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Item P-620 Marking Specifications

- WEATHER LIMITATIONS.  The painting shall be performed only when the surface is dry and when the surface temperature is at least 45 degrees F (7 degrees C) and rising and the pavement surface temperature is at least 5 degrees F (2.7 degrees C) above the dew point.  [Painting operations shall be discontinued when the surface temperature exceeds [     ] degrees F ([     ] degrees C.]

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Item P-620 Marking Specifications

- PREPARATION OF SURFACE.  The surface shall be dry and free material that would reduce the bond between the paint and the pavement.  The area shall be cleaned by sweeping and blowing or by other methods as required to remove all dirt, laitance, and loose materials.  [Paint shall not be applied to Portland cement concrete pavement until the areas to be painted are clean of curing material. Sandblasting or high-pressure water shall be used to remove curing materials.]
- The Engineer should specify any additional surface preparation required and should specify the type of surface preparation to be used when existing markings interfere with or would cause adhesion problems with new markings.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Item P-620 Marking Specifications

- PROTECTION.  After application of the paint, all markings shall be protected from damage until the paint is dry.  All surfaces shall be protected from excess moisture and/or rain and from disfiguration by spatter, splashes, spillage, or drippings of paint.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- Engineering Technical Letter (ETL) 97-17: Guide Specification – Paint and Rubber Removal from Roadway and Airfield Pavements
- Point Of Contact. Mr. Michael D. Ates, HQ AFCESA/CESC, DSN 523-6351, commercial (850) 283-6351, Internet atesm@afcesa.af.mil.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _Description of Work_. Required to remove 85 percent of the paint buildup from 100 percent of the painted area within a designated area of (runway, taxiway, apron, (and) roadway) pavement. The removal is to be completed without damage to the pavement surface, joints, and joint and crack seals, or any other property. The term "paint" used herein may include obsolete paint markings and/or loose and poorly bonded paint

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _Pavement Damage Survey_. The Engineer and the Contractor shall jointly inspect the work area before work commences. Any existing damage to the pavement systems shall be documented at that time. The Contractor shall repair damage incurred during the contracted operations.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _Test Strip Demonstration_. The Contractor shall test all equipment and demonstrate on the designated pavement work areas the proposed method to be used to remove paint.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _The test strip_ is as wide as the full operating width of the equipment and at least 15 meters (50 feet) long. The test strip is long enough to determine the operating parameters of the vehicle(s) and equipment to be used for the work. The test strip is used to demonstrate the effectiveness of the Contractor’s methods and equipment to satisfactorily remove paint deposits from the pavement surfaces at the specified removal rate without damaging the pavement surface.  The Engineer and/or Owners representative(s) is present at the test area to examine the pavement texture obtained on the test strip. The test strip is the measure of performance required of the Contractor for the paint removal project.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _Compliance with Regulations_. The Contractor shall ensure that any paint removal process is conducted in strict compliance with all local, state, and Federal environmental statutes and regulations, including, but not limited to, regulations promulgated under the Resource Conservation Recovery Act, 42 U.S.C. 6901, et seq., and the Comprehensive Environmental Response, Compensation, and Liability Act, 42 U.S.C. 9601, et seq.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _Paint Removal_. Removed by high pressure water and/or grinding. Inject sand as an abrasive into the high pressure water system. The use of environmentally acceptable chemical agents or high velocity impact removal shall be considered on a case-by-case basis. Use of any chemicals or impact abrasive in the removal process must be approved in advance by the Engineer. The Engineer specifically reserves the right to reject the use of any paint removal process which may pose unnecessary risks to aircraft due to foreign object damage (FOD) potential, human health, or the environment, as a result of its use, storage, or disposal. Painted markings equal to or greater than one three feet wide shall be removed at a minimum rate of 1,000 square feet per hour.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Air Force Guidance—Best Available

- _Cleanup_. The Contractor shall remove from the airfield all debris, waste, and by-products generated by the paint removal operations and shall dispose of these wastes in strict compliance with all applicable state, local, and Federal environmental statutes and regulations, including, but not limited to, regulations promulgated under the Resource Conservation Recovery Act, 42 U.S.C. 6901, et seq., the Comprehensive Environmental Response, Compensation, and Liability Act, 42 U.S.C. 9601, et seq., and the Hazardous Materials Transportation Act, 49 U.S.C. 1801, et seq.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## FAA Role

- Headquarters Offices
- Issue Guidance
- Request Research
- Region Offices
- Administer Guidance

- FAA Partnership Conference 2005, Fort Worth TX, March 2005

## Questions / Dialog / Interaction

- What Problems are you experiencing?
- There are new high-build polymer resins that may help with discoloration and bead loss.

- FAA Partnership Conference 2005, Fort Worth TX, March 2005