633.1DESCRIPTION—This work is construction of plain concrete mountable curb of the type indicated.
633.2MATERIAL—As specified in Section 630.2 and as follows:
• Subbase. Section 350
• Joint Sealing Material. Section 705.4(a), (b), or (c)
• Preformed Cellular Polystyrene. ASTM C578
633.3CONSTRUCTION —As shown on the Standard Drawings, as specified in Section 501.3, and as
follows:
(a)Excavation. Excavate, if necessary, as specified in Section 630.3(a).
(b)Forms. Use forms as specified in Section 630.3(b).
(c)Placing, Finishing, and Curing Concrete. Place, finish, and cure concrete as specified in Section
630.3(c).
(d)Curb Machine. Use a curb machine as specified in Section 630.3(d).
(e)Joints. As specified in Section 630.3(e), except use 1/2-inch premolded expansion joint material as
shown on the Standard Drawings. Seal joints as specified in Section 705.4.
(f)Removal of Forms. As specified in Section 630.3(f).
(g)Backfilling and Embankment. As specified in Section 630.3(g).
(h)Curb Modification. Modify curb construction within existing pavement limits and existing structures,
where indicated or directed. Drill holes and insert dowel bars with non-shrink mortar, as required.
(i)Premolded Expansion Joint Filler—Section 705.1. Place premolded expansion joint filler material
1/2-inch thick or polystyrene bond breaker 1/4-inch thick adjacent to new or existing curbs, plain cement concrete pavements or islands, concrete, sidewalks, and other structures and at the end of the workday as shown on Standard Drawings.
633.4MEASUREMENT AND PAYMENT—
(a)Plain Concrete Mountable Curb. Linear Foot
(b)Class 1 Excavation. Section 203.4
(c)Plain Cement Concrete Pavement. Section 501.4
Referenced in this section
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Source: Publication 408 Highway Construction Specifications, 2026 Edition. Pages 560–0 of 1,522. View official source ↗