SECTION 833 — GRANITE IDENTIFICATION TABLETS 800-183 — GRANITE IDENTIFICATION TABLETS
833.01 Description.
This work includes providing granite identification tablets on bridges at the required locations indicated on the Plans.
833.02 Materials.
Granite Tablets. Use granite that is fine grained, light gray granite of sound, compact structure, resistant to weathering action, uniform in color, and free from seams, cracks, laminations and minerals that by weathering would cause discoloration or deterioration.
a.Additional Requirements. Use granite tablets that conform to the following additional requirements. ● Granite Stone. Use g ranite stone that conforms to the material characteristics and physical requirements of ASTM C615, Standard Specification for Granite Dimension Stone. ● Finish. Sand rub the face. ● Thickness. 2 in. ±¼-in. ● Inscriptions. ○ Seal Tablets. Use seal tablets that include the Rhode Island State Seal and the year of construction. Use numerals that have a height of 1¾ in. The type and style of lettering and size of seal will be approved by the Engineer. ○ N ame Tablets. Inscribe the letters having a minimum height of 1¼ in. to a maximum height of 2 in. Ensure that the numerals have a height of 2 in. ● Inscribing. To inscribe letters, numerals, and seals, use the blast abrasive method. Incise the seal, letters, and numerals, U -sunk to a depth of approxi mately ½-in. with all edges clear and sharp. Paint all sunken areas with blue acrylic lacquer. Submit the color samples to the Engineer for approval before using the lacquer on the sample tablet. ● Edges; Pitched and Straight. Ensure that these have no projection for the first inch and, for the remaining depth, plus zero, minus ¼-in. ● Details. Provide Granite Identification Tablets that are 10 in. × 2 in., plus zero, minus ¼ in., and a face that is 10 in. × 14 in., plus zero, minus ¼ in.
b.S hop Drawings. Draw the Granite Identification Tablets to actual size and indicate emblems, inscriptions, and all other pertinent information. Submit the Shop Drawings to the Engineer according to Subsection 105.02.
Part 800 — Bridge Structures August 2025
800-184 SECTION 833 — GRANITE IDENTIFICATION TABLETS
c.Packaging. Enclose the identification tablets in wooden boxes and provide adequate protection to prevent damage to the stones before installation. Portland Cement Mortar. Use mortar that conforms to Subsection M04.03.5.
833.03 Construction Methods.
Set the granite identification tablets in a full mortar bed at the indicated locations. Ensure that the plane of the face of the identification tablets when in final position is flush with the plane of the surrounding concrete surface. Provide the location of the granite identification tablet with the bridge number in the six-digit format and the tablet with the State seal. Locate the tablet with the bridge number at the driving approach to the bridge, and locate the seal at the trailing end. The bridge number on the tablet must be approved by the RIDOT Bridge Inspection Section.
833.04 Method of Measurement.
Granite Identification Tablets of the types and sizes specified will be measured by the number of each tablet installed.
833.05 Basis of Payment.
The Department will pay for the completed and accepted quantities as follows. Pay Item Pay Unit Granite Identification Tablets EA The price constitutes full compensation for all labor, materials, tools, equipment, and incidentals required to finish the work, complete and accepted.
Referenced in this section
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Source: Standard Specifications for Road and Bridge Construction (Blue Book), 2022 (Aug 2025 compilation) Edition. Pages 552–553 of 951. View official source ↗