A detectable warning system, for tactily signaling the presence of a terrain transition to a pedestrian, using a plurality of detectable warning domes that are arranged in a grid within a detectable warning carrier assembly. The detectable warning carrier assembly comprises a carrier layer being one
A detectable warning system, for tactily signaling the presence of a terrain transition to a pedestrian, using a plurality of detectable warning domes that are arranged in a grid within a detectable warning carrier assembly. The detectable warning carrier assembly comprises a carrier layer being one of a top layer and a base layer of thermoplastic material with heat resistant detectable warning domes therebetween. The carrier layer is heated and adhered to a pavement surface. The detectable warning domes protrude from the pavement surface in an evenly spaced pattern that is detectable by the pedestrian using a cane or other guidance instrument.
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What is claimed is: 1. A detectable warning system, for installation onto a pavement surface adjacent to a hazardous transition, comprising: an attachment layer made up of one of a base layer and a top layer, the attachment layer substantially planar and made of thermoplastic material; a plurality
What is claimed is: 1. A detectable warning system, for installation onto a pavement surface adjacent to a hazardous transition, comprising: an attachment layer made up of one of a base layer and a top layer, the attachment layer substantially planar and made of thermoplastic material; a plurality of domes made of a heat resistant material, the domes secured to the attachment layer and arranged in a grid thereupon, the carrier layer extending substantially planar between the domes, such that the attachment layer may be adhered to a pavement surface by applying heat thereto and the heat resistant material of the domes is unaffected by said heat. 2. The detectable warning system as recited in claim 1, wherein the heat resistant material is selected from the group consisting of concrete, temperature resistant plastic, and earthen materials. 3. The detectable warning system as recited in claim 2, wherein the domes each have a substantially flat base surface. 4. The detectable warning system as recited in claim 3, wherein the domes each have a truncated upper surface. 5. A detectable warning method, for providing a tactile warning upon a pavement surface, using a mold having a top surface and a plurality of dome creation cavities extending downwardly from the top surface, the dome creation cavities spaced apart from each other in a grid, comprising the steps of: creating a detachable warning carrier assembly by: covering the top surface of the mold with a first sheet of thermoplastic material, coating the top surface and the mold and the dome creation cavities with a conforming continuous top layer of thermoplastic material by applying heat to the first sheet of thermoplastic material, and creating a plurality of detectable warning domes by filling the dome creation cavities with a heat resistant material; and applying the top layer to the pavement surface. 6. The detectable warning method as recited in claim 5, wherein the step of applying the base layer to the pavement surface is preceded by the steps of separating the carrier from the mold, and inverting the detectable warning carrier assembly; and further comprises the steps of adhering the base layer to the pavement by heating the base layer. 7. The detectable warning method as recited in claim 5, wherein the step of applying the top layer to the pavement surface is preceded by the steps of separating the top layer from the mold, and inverting the detectable warning carrier assembly; and further comprises the steps of resting the domes upon the pavement and adhering the base layer to the pavement by heating the base layer. 8. The detectable warning method as recited in claim 7, wherein the step of filling the dome creation cavities with a heat resistant material further comprises introducing into the dome creation cavities a flowable but settable, heat resistant material to substantially the level of the top surface of the mold, and allowing the heat resistant casting material to harden. 9. The detectable warning method as recited in claim 7, wherein the step of applying the top layer to the pavement surface further comprises positioning the top layer adjacent to a hazardous transition. 10. The detectable warning method as recited in claim 7, wherein the step of filling the dome creation cavities with a heat resistant material further comprises introducing into the dome creation cavities a flowable but settable, heat resistant material to substantially the level of the top surface of the mold, and allowing the heat resistant casting material to harden. 11. The detectable warning method as recited in claim 7, wherein the step of applying the base layer to the pavement surface further comprises positioning the base layer adjacent to a hazardous transition. 12. The detectable warning method as recited in claim 8, wherein the heat resistant material is selected from the group consisting of concrete, earthen materials, and heat resistant plastic. 13. The detectable warning method as recited in claim 8, wherein the heat resistant material is selected from the group consisting of concrete, earthen materials, and heat resistant plastic. 14. The detectable warning method as recited in claim 13, wherein the step of applying the top layer to the pavement surface further comprises positioning the top layer adjacent to a hazardous transition. 15. The detectable warning method as recited in claim 13, wherein the step of applying the base layer to the pavement surface further comprises positioning the base layer adjacent to a hazardous transition. 16. A detectable warning method, for providing a tactile warning upon a pavement surface, using a mold having a top surface and a plurality of dome creation cavities extending downwardly from the top surface, the dome creation cavities spaced apart from each other in a grid, comprising the steps of: creating a detachable warning carrier assembly by: creating a plurality of detectable warning domes by filling the dome creation cavities with a heat resistant material, and coating the detectable warning domes with a base layer of thermoplastic by fully covering the base layer and detectable warning domes with a sheet of thermoplastic material and applying heat to said sheet of thermoplastic material; and applying the base layer to the pavement surface.
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