B
HomeLibrariesCopilotSearchProjectsBookmarks
FeedbackHelp Desk
Libraries
Building Codes
Code LibraryIBC — BuildingIRC — ResidentialIFC — FireIPC — PlumbingIMC — MechanicalIFGC — Fuel GasIECC — EnergyNEC — ElectricalModel Codes
Specifications
CSI SpecificationsDOT SpecsTransit SpecsUSACE
Standards
TransportationRailroadFire SafetyAccessibilityStructural
Tools & References
DiagramsAssembliesProductsCalculatorsChecklistsPermits
PricingLog in
ITS Devices (1200+)

1237MAINTENANCE, PORTABLE CHANGEABLE MESSAGE SIGN (PCMS)

PA · 2026 Standard SpecificationsBook pages 14091413View official source ↗

1230. 2(d) 1230.2( d) to or exceeding AAMA Specification 2605. Provide certification from the licensed coating manufacturer for all aluminum fac e materials.

3.Sign Housing Access Door for Walk -In CMS. Where a walk -in sign is utilized, provide a sign

housing door that is fabricated from aluminum. Equip sign with a minimum of two vertically hinged access doors located at the right and left sides (while facing the front of the sign) of the C MS housing. Mount doors to door frames that are integral to the sign housing. Provide stainless steel hinges to support the door and enable the door to open outwards. Furnish access door to be a minimum of 2 feet wide and 80 inches high. Equip door with a handle- operated locking mechanism, closed- cell neoprene gasket, and stainless steel hinges. Locate door release leverss o a person without keys and tools cannot become trapped inside the housing. Furnish doors with a hinge/stop mechanism that retains the door in a 90- degree open position. Furnish a Grade 1 three- point center -case dead bolt locking mechanism that conforms to ANSI/ Builders Hardware Manufacturers Association ( BHMA) Standard A156.2 and utilizes a zinc finish. Provide a handle on both the inside and outside of the door. Furnish industrial -strength , corrosion- resistant handles. Equip door with electronic monitoring subsystem that provides an alert to TMC/RTMC personnel if the door is opened. Equip CMS housing with an OSHA compliant anchor point at each entrance location for the connection of a personal fall arrest system. Provide anchorages strong enough to withstand a force of 5, 000 pounds, as required by OSHA. Locate anchoragess o they will not allow a person to free- fall more than 6 feet if a 6 foot lifeline is used. Locate anchorages just inside each access door within easy reach from the outside, and just outside the access door with in easy reach from the doorway.

4.Sign Housing Access for Front Access Signs. For front access signs, provide unobstructed access

that allows servicing of internal components. Access must not require specialized tools or excessive force.

5.Sign Housing Operating Environment. Provide sign housing that conforms to the operating

environment requirements established in NEMA TS4. Provide sign housing that ensures functionality of all CMS equipment in the ambient operating temperature range of -29F to +165F, or as defined in the most recent version of NEMA T S4. Where ventilation subsystem is utilized to ensure conformance to NEMA TS4, provide positive pressure, filtered, forced air sign housing ventilation subsystem that distributes air over all LEDs, power supplies, communications equipment and other electronic devices contained in the C MS housing. Even

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 14091413 of 1,522.