PCC CURB, INTEGRAL PCC CURB, PCC SECTION 701 MONOLITHIC MEDIAN, AND CURB OPENINGS 347 DIVISION 700 — MISCELLANEOUS CONSTRUCTION OPENINGS
701.1Description.
This work consists of constructing PCC curbing.
701.2Materials.
A.PCC, Class B Section 1022
B.Liquid Membrane -Forming Compounds for Curing Section 1045.7
C.1/2-Inch Preformed Expansion Joint Material Section 1042 .2.A
D.Bituminous Joint Sealant Section 1042 .2.B
701.3Construction.
A.Provide a concrete flatwork technician with an ACI or NRMCA certification, or a certification from
another Department approved certification program, to supervise concrete finishing. Provide the certification to the engineer before placing concrete.
B.Place concrete in accordance with Section 501.3, including the weather limitations in Section
501.3.8.
C.Foundation Preparation.
1.Excavate in accordance with Section 202.3 to the width, depths, and grades shown in the
contract.
2.Remove unsuitable material when encountered and replace with approved material.
3.Compact the foundation.
4.When rock is encountered, excavate 6 inches below the bottom of curb and backfill with GABC.
5.Place GABC to the required thickness in accordance with Section 301.
D.Slip-forming.
Use molds of required height, width, and shape.
E.Fixed Forms.
1.Use clean wood or metal, extending the full depth of the concrete.
a.Use straight and warp free forms, with a deflection no greater than 1/8 -inch in 10 -feet.
b.Use forms rigid enough to resist the pressure of plastic concrete, with a deflection no greater
than 1/8 -inch in 10 -feet.
2.The contractor may use composite material for radius work.
F.Curb Removal and Replacement.
Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 357–357 of 779.