6.4 Pavement Markings

Airfield Pavement Markings
Location	Type	FAA Reference
Runways Aircraft Parking Envelope – Passenger Gates	Waterborne paint with glass beads	TT-P-1952E, TT-B-1325D Type I beads
Taxiway centerline and edge lines Hold position markings All other areas approved for use by FAA AC 150/5340-1 and the MDOT MAA Project Manager	Preformed Thermoplastic (FAA Approved)	AC 150/5340-1 P-620 specification in AC 150/5370-10
Aircraft Parking Envelope – Cargo Areas Vehicle Service Road (VSR) Other non-movement areas.	Preformed Thermoplastic (MDSHA or FAA Approved)	N/A MD SHA (section 559)* or FAA (P-620)* *As approved by MDOT MAA Project Manager

All permanent pavement markings on the runways at both BWI Marshall and Martin State Airport, with the exception of black markings, shall be waterborne paint containing glass beads. Aircraft parking envelopes at passenger gates at BWI Marshall shall also be marked in waterborne paint and contain glass beads (Type I in the colored paint). Black outlines shall not contain glass beads.

Paint shall be waterborne in accordancewith Federal Specification TT-P-1952E, Type I or Type II depending on usage [TypeI has a standard dryingtime (no pick-up when tested in accordance with ASTM D 711), Type II may be used for striping where faster curing is desirable]. Paint shall be furnished in [white (37925), yellow (33538 or 33655), red (31136), black (37038), and pink (one part red – 31136 to two parts white – 37925)] in accordance with Federal Standard Number 595. Black paint should be used to outline a border at least six inches wide around markings on all pavements. Black and red paints shall contain glass beads.

Glass beads shall meet the requirements for Federal Specification TT-B-1325D, Type III where required by FAA (hold lines, or where red paint is used, etc.) For runway markings at BWI Marshall and MTN, glass beads shall be Type I. Glass beads shall be treated with all compatible coupling agents recommended by the manufacturers of the paint and reflective media to ensure adhesion and embedment. Consultants shall include in the construction documents the requirement for glass beads to be installed in the first application of paint.

All permanent pavement markings on the airfield at BWI Marshall shall receive permanent heat applied preformed thermoplastic markings where permitted by the latest edition of Federal Aviation Administration Advisory Circular AC 150/5340-1, Standards for Airport Markings and Federal Specification 150/5370-10, Item P-620, Runway and Taxiway Painting.

Permanent pavement markings on the airfield at Martin State Airport shall receive permanent heat applied preformed thermoplastic or waterborne markings as directed by the Project Manager. Thermoplastic markings, when requested, shall be where permitted in accordance with the latest edition of Federal Aviation Administration Advisory Circular AC 150/5340-1, Standards for Airport Markings and Federal Specification 150/5370-10, Item P-620, Runway and Taxiway Painting.

These include but are not limited to hold position markings, surface hold position signs, and taxiway centerline and edge lines. The material shall meet the requirements from the latest edition of Federal Specification 150/5370-10, Item P-620 Runway and Taxiway Painting.

The Consultant shall specify in the contract documents that only trained and installers certified by the paint manufacturer apply these markings.

All surface painted stop markings shall have a red background in accordance with the head-knocker details included in the PEGS Manual.

To provide safety and uniformity on the ramps and aprons at BWI Marshall Airport, all aircraft gate and RON markings shall adhere to the following standards. If a Tenant requires a gate marking in addition to or different than those specified in this standard, they shall submit a building permit/installation permit for the intended change or modification (such as envelope shape, line widths, and colors). Upon BWI Marshall Airport Operations’ approval and receipt of an installation permit for the intended modification, Airlines may install their specific standard gate marking.

It is required that all Loading Bridge Gates comply, at minimum, with the following marking standards.

1. Wingtip Safety Line or Aircraft Envelope shall be 6-inch white with 6-inch black highlight on the inside or aircraft side of the stripe.

2. Aircraft Lead-in Lines or Centerline Marking shall be 12-inch yellow with 6-inch black outline on both sides (See Aircraft Parking Marking I exhibit).

3. Nose Wheel Stop Bars shall be 12-inch think, 5-foot wide yellow with 6-inch black outline on all sides.

4. Text defining the aircraft type at a given Nose Wheel Stop Bar shall be 12-inch tall yellow letters with black background. Text shall be justified to the left when located on the right side of the stop bar and justified to the right when located on the left side of the stop bar.

5. The Gate Designation Box at the end of the lead-in line shall include the pier designation and gated number with 4-foot tall yellow letters, black background, and 4-inch minimum width stroke. The black background shall extend a minimum of 12-inches beyond the extremities of the letters. It shall be encompassed with 6-inch yellow and 6-inch black outlines. (See Aircraft Parking Marking II exhibit)

6. Passenger Boarding Bridge (PBB) safety lines shall include three (3) 6-inch yellow stripes with 6-inch spacing between stripes. No black outlines are required on either side of the PBB Safety Line.

7. PBB Stow Box shall be 6-inch yellow, 10-foot by 10-foot square, with 6-inch yellow stripes at a 45 degree angle (no black outline).

8. An alternate centerline and envelope may be required when a gate or RON position can accommodate different aircraft groups or sizes under different scenarios. The secondary, or less used set of marking, shall then be dashed. The widths and colors for the lead-in lines and aircraft envelope remain constant; however the marking shall be altered to 10-foot long stripes with 10-foot long spaces. (See Aircraft Parking Marking II Exhibit).

It is required that all Non-Loading Bridge Gates and RON only parking positions comply, at minimum, with the following marking standards.

1. Wingtip Safety Line or Aircraft Envelope shall be 6-inch white with 6-inch black highlight on the inside or aircraft side of the stripe.

2. Aircraft Lead-in Lines or Centerline Marking shall be 12-inch yellow with 6-inch black outline on both sides (See Aircraft Parking Marking I Exhibit).

3. Nose Wheel Stop Bars shall be 12-inch think, 5-foot wide yellow with 6-inch black outline on all sides.

5. The Gate Designation Box, if applicable, at the end of the lead-in line shall include the pier or RON pad designation and position number with 4-foot tall yellow letters, black background, and 4-inch minimum width stroke. The black background shall extend a minimum of 12-inches beyond the extremities of the letters. It shall be encompassed with 6-inch yellow and 6-inch black outlines. (See Aircraft Parking Marking II Exhibit)

6. An alternate centerline and envelope may be required when a gate or RON position can accommodate different aircraft groups or sizes under different scenarios. The secondary, or less used set of marking, shall then be dashed. The widths and colors for the lead-in lines and aircraft envelope remain constant; however the marking shall be altered to 10-foot long stripes with 10-foot long spaces. (See Aircraft Parking Marking II Exhibit).

The specifications, when applicable, shall be inserted in the contract documents.

Landside asphalt pavements shall receive thermoplastic pavement markings conforming to MDSHA Standard Specifications for Construction and Materials Section 553 – Lead Free Reflective Thermoplastic Pavement Markings or Section 556 – Preformed Thermoplastic Pavement Markings. The manufacturer’s recommendations shall be followed for the duration between installation of the asphalt pavement and application of the thermoplastic pavement markings.

Alternatively, inlaid permanent preformed pattern reflective pavement marking materials conforming to MDSHA Standard Specifications for Construction and Materials Section 559 – Permanent Preformed Patterned Reflective Pavement Markings, may be used.

Thermoplastic pavement markings shall not be placed over existing pavement marking tape on existing asphalt pavement. The existing tape shall be removed prior to placement of the thermoplastic pavement markings.

Landside concrete pavements shall receive permanent preformed contrast pattern reflective pavement markings materials conforming to MDSHA Standard Specifications for Construction and Materials Section 559 – Permanent Preformed Patterned Reflective Pavement Markings.

Existing contrast pavement markings shall be removed per MDSHA standard specifications for Construction Materials Section 565 – Removal Of Existing Pavement Markings, with high pressure water blasting or other manual removal methods as specified.

Landside crosswalks, legends and symbols shall receive heat applied permanent preformed thermoplastic pavement markings meeting MDSHA Standard Specifications for Construction and Materials Section 556 Preformed Thermoplastic Pavement Markings.

A. Lane, stall, and numbering markings shall use solvent based Low VOC Acrylic Traffic Marking Paint which is a conventional dry (non-heat applied) acetone-based paint for use on concrete and asphalt pavements.

B. Crosswalks, messaging, and symbols shall be heat applied permanent preformed thermoplastic pavement markings conforming to MDSHA Standard Specifications for Construction and Materials Section 556 – Preformed Thermoplastic Pavement Markings.

C. Consolidated Rental Car Facility (CRCF) Garage – The CRCF Garage is an exception and shall use solvent based Low VOC Acrylic Traffic Marking Paint which is a conventional dry (non-heat applied) acetone-based paint for use on concrete and asphalt pavements for all markings including lane, stall, numbering, crosswalks, messaging, and symbols.

6.4.3 Emergency Vehicle Access/Fire Lanes/Fire Hydrants and Fire Department Connections