1015.02.3 2 Fasteners: Use vandal resistant aluminum alloy
fasteners with brasier heads complying with ASTM B316, Alloy 2024 -T4, to attach Interstate, Louisiana, and U.S. shields to the sign panel.
1015.03 FLEXIBLE POSTS. Flexible posts for delineators shall be
from the Approved Materials List.
1015.04 SIGN PANELS. Flat sign panels shall be marked on the front
bottom edge with MUTCD code, initials of the manufacturer and the date. Extruded panels shall be marked on the back in accordance with the standard plans .
1015.04.1 Permanent Sign Panels: New and recycled flat panels
shall be aluminum sheets or plates complying with ASTM B209, Alloy 6061 -T6 or Alloy 5052 -H38. New and recycled extruded aluminum panels shall comply with ASTM B221, Alloy 6063 -T6 and after fabrication, shall have a flatness equal to or less than 0.031 inch per foot of length and 0.004 inch per inch of width. The traceability paperwork shall be maintained and available from the fabricator for 7 years.
1015.04.2 Temporary Sign Panels: Substrate for barricade panels
shall be rigid thermoplastic. Substrate for portable s igns shall be new or recycled aluminum, wood or plastic. Substrate for post mounted signs shall be new or recycled aluminum, wood, rigid thermoplastic or aluminum clad low density polyethylene plastic.
1015.04.2 1 Aluminum: Aluminum sheeting shall be 0.080 inch
thickness complying with ASTM B209, Alloy 6061 -T6 or Alloy 5052 -H38.
1015.04.2 2 Wood: Plywood sheeting of exterior type Grades
either High Density Overlay or Medium Density Overlay are acceptable for use provided the following requirements are met. Panels shall be a minimum of 5/8 inch thick, shall comply with the latest American Plywood Association specifications, and shall be identified with the APA edge mark or back stamp to verify inspection and testing. Prior to application of reflective sheeting, the surface s hall be abraded with steel wool or fine sandpaper, and wiped thoroughly clean. The surface shall dry a minimum of 8 hours prior to application of sheeting. Cut edges of plywood panels shall be sealed with an approved aluminum pigmented polyurethane seale r.
1015.02.3 2 Fasteners: Use vandal resistant aluminum alloy
fasteners with brasier heads complying with ASTM B316, Alloy 2024 -T4, to attach Interstate, Louisiana, and U.S. shields to the sign panel.
1015.03 FLEXIBLE POSTS. Flexible posts for delineators shall be
from the Approved Materials List.
1015.04 SIGN PANELS. Flat sign panels shall be marked on the front
bottom edge with MUTCD code, initials of the manufacturer and the date. Extruded panels shall be marked on the back in accordance with the standard plans .
1015.04.1 Permanent Sign Panels: New and recycled flat panels
shall be aluminum sheets or plates complying with ASTM B209, Alloy 6061 -T6 or Alloy 5052 -H38. New and recycled extruded aluminum panels shall comply with ASTM B221, Alloy 6063 -T6 and after fabrication, shall have a flatness equal to or less than 0.031 inch per foot of length and 0.004 inch per inch of width. The traceability paperwork shall be maintained and available from the fabricator for 7 years.
1015.04.2 Temporary Sign Panels: Substrate for barricade panels
shall be rigid thermoplastic. Substrate for portable s igns shall be new or recycled aluminum, wood or plastic. Substrate for post mounted signs shall be new or recycled aluminum, wood, rigid thermoplastic or aluminum clad low density polyethylene plastic.
1015.04.2 1 Aluminum: Aluminum sheeting shall be 0.080 inch
thickness complying with ASTM B209, Alloy 6061 -T6 or Alloy 5052 -H38.
1015.04.2 2 Wood: Plywood sheeting of exterior type Grades
either High Density Overlay or Medium Density Overlay are acceptable for use provided the following requirements are met. Panels shall be a minimum of 5/8 inch thick, shall comply with the latest American Plywood Association specifications, and shall be identified with the APA edge mark or back stamp to verify inspection and testing. Prior to application of reflective sheeting, the surface s hall be abraded with steel wool or fine sandpaper, and wiped thoroughly clean. The surface shall dry a minimum of 8 hours prior to application of sheeting. Cut edges of plywood panels shall be sealed with an approved aluminum pigmented polyurethane seale r.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l.
1015.04.2 3 Plastic: Plastic substrate for barricade panels and
signs shall be as follows:
1015.04.2 3.1 Fiber Reinforced Vinyl (PVC): The
substrate shall have a nominal composite thickness of 0.04 inches and be bonded to an approved retroreflective material by the manufac turer.
1015.04.2 3.2 Rigid Thermoplastic: Rigid thermoplastic
substrate shall consist of either High Density Polyethylene (HDPE) or High Density Polycarbonate (HDPC). The rigid thermoplastic for barricade panels shall be hollow core HDPE or HDPC with a minimum thick ness of 0.625 inch. The thermoplastic for sign panels shall be 0.40 inch thick thin wall, fluted substrate or 0.625 inch thick blow molded substrate. Substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or otherwise deform the substrate. Reflectorized sheeting applied to rigid thermoplastic shall have its manufacturer's approval for use on the substrate.
1015.04.2 3.3 Aluminum Clad Low Density Polyethylene
(AL/LDPE) Plast ic: The aluminum clad low density polyethylene plastic substrate shall be 0.080 inch thick. The substrates shall be sufficiently rigid to maintain a flat face and shall be capable of attachment to the sign mounting in such a manner as not to crush or ot herwise deform the substrate. Reflectorized sheeting applied to aluminum clad low density polyethylene shall have its manufacturer's approval for use on this substrate.
1015.05 Reflective Sheeting.
1015.05.1 Permanent and Temporary Standard Sheeting:
Reflective sheeting shall be one of the following standard types as specified on the plans and complying with ASTM D4956 except as modified herein. Permanent warning, regulatory, guide and supplemental guide sign sheeting shall meet the requirements of DOTD Type X as descri bed below and detailed in 1015.05.3 . Reflective sheeting for temporary signs and devices shall meet the requirements of ASTM D4956 Type III except as noted in 1015.05.6 . Reflective sheeting for delineators shall meet the requirements of ASTM D4956 Type III or Type V, including Supplemental Requirements S2. Reflective sheeting shall be from the Approved Materials List. Type III - A high -intensity retroreflective sheeting. This sheeting is typically encapsulated glass -bead retroreflective materia l. Type V - A “super high -intensity ” retroreflective sheeting, typically used for delineators. This sheeting is typically a metalized mi croprismatic retroreflective element material. Type VI - An elastomeric, high -intensity retroreflective sheeting without adhesive. This sheeting is typically a vinyl microprismatic retroreflective material. DOTD Type X - A super high -intensity retroreflec tive sheeting having highest retroreflectivity characteristics at medium distances. This sheeting is typically an unmetalized microprismatic retroreflective element material.
1015.05.2 Fluorescent Pink Retroreflective Sheeting: Signs
for temporary control of tra ffic through incident management areas shall be Type VI fluorescent pink retroreflective sheeting and shall comply with the MUTCD. Temporary traffic control signs for incident management shall be placed to notify motorists of upcoming incidents on the roa dway, and shall be removed from public view once the incident has been managed. Physical properties shall comply with ASTM D4956. Photometric properties shall be as follows.
1015.05.2 1 Retroreflectivity: Minimum Coefficients of
Retroreflection shall be as specif ied in Table 1015 -1. Table 1015 -1 Coefficients of Retroreflection for Fluorescent Pink Sheeting1 Observation Angle, degrees Entrance Angle, degrees Fluorescent Pink 0.2 0.2 0.5 0.5 -4 +30 -4 +30 180 1Minimum Coefficient of Retroreflection (RA) (cd lx-1m-2)
1015.05.2 2 Color and Daytime Luminance: Color
Chromaticity Coordinates and Daytime Luminance Factors shall be as specified in Table 1015 -2. Type V - A “super high -intensity ” retroreflective sheeting, typically used for delineators. This sheeting is typically a metalized mi croprismatic retroreflective element material. Type VI - An elastomeric, high -intensity retroreflective sheeting without adhesive. This sheeting is typically a vinyl microprismatic retroreflective material. DOTD Type X - A super high -intensity retroreflec tive sheeting having highest retroreflectivity characteristics at medium distances. This sheeting is typically an unmetalized microprismatic retroreflective element material.
1015.05.2 Fluorescent Pink Retroreflective Sheeting: Signs
for temporary control of tra ffic through incident management areas shall be Type VI fluorescent pink retroreflective sheeting and shall comply with the MUTCD. Temporary traffic control signs for incident management shall be placed to notify motorists of upcoming incidents on the roa dway, and shall be removed from public view once the incident has been managed. Physical properties shall comply with ASTM D4956. Photometric properties shall be as follows.
1015.05.2 1 Retroreflectivity: Minimum Coefficients of
Retroreflection shall be as specif ied in Table 1015 -1. Table 1015 -1 Coefficients of Retroreflection for Fluorescent Pink Sheeting1 Observation Angle, degrees Entrance Angle, degrees Fluorescent Pink 0.2 0.2 0.5 0.5 -4 +30 -4 +30 180 1Minimum Coefficient of Retroreflection (RA) (cd lx-1m-2)
1015.05.2 2 Color and Daytime Luminance: Color
Chromaticity Coordinates and Daytime Luminance Factors shall be as specified in Table 1015 -2. Type V - A “super high -intensity ” retroreflective sheeting, typically used for delineators. This sheeting is typically a metalized mi croprismatic retroreflective element material. Type VI - An elastomeric, high -intensity retroreflective sheeting without adhesive. This sheeting is typically a vinyl microprismatic retroreflective material. DOTD Type X - A super high -intensity retroreflec tive sheeting having highest retroreflectivity characteristics at medium distances. This sheeting is typically an unmetalized microprismatic retroreflective element material.
1015.05.2 Fluorescent Pink Retroreflective Sheeting: Signs
for temporary control of tra ffic through incident management areas shall be Type VI fluorescent pink retroreflective sheeting and shall comply with the MUTCD. Temporary traffic control signs for incident management shall be placed to notify motorists of upcoming incidents on the roa dway, and shall be removed from public view once the incident has been managed. Physical properties shall comply with ASTM D4956. Photometric properties shall be as follows.
1015.05.2 1 Retroreflectivity: Minimum Coefficients of
Retroreflection shall be as specif ied in Table 1015 -1. Table 1015 -1 Coefficients of Retroreflection for Fluorescent Pink Sheeting1 Observation Angle, degrees Entrance Angle, degrees Fluorescent Pink 0.2 0.2 0.5 0.5 -4 +30 -4 +30 180 1Minimum Coefficient of Retroreflection (RA) (cd lx-1m-2)
1015.05.2 2 Color and Daytime Luminance: Color
Chromaticity Coordinates and Daytime Luminance Factors shall be as specified in Table 1015 -2.