CONCRETE REPAIR AND REHABILITATION SECTION 628 345 B. The Department will measure dowels and anchor bolts under separate items.
628.5Basis of Payment.
A.The Department will pay for accepted quantities at the contract unit price.
B.Price and payment for epoxy injection constitute full compensation for providing all materials,
surface preparation, application, cleaning the areas of spills and other contaminates, and abrading the concrete surface areas.
C.Price and payment for routing and sealing cracks constitute full compensation for providing and
placing all materials, crack routing, and surplus material removal.
D.Price and payment for repair of existing grout constitute full compensation for providing and
placing all materials, removal and disposal of deteriorated grout, and surface preparation.
E.Price and payment for spall repair, PCC masonry rehabilitation , and concrete deck repair
constitute full compensation for:
1.Providing and placing all materials;
2.Providing and erecting temporary protective structure;
3.reinforcement bar cleaning;
4.existing reinforcement bars splicing or replacement;
5.deteriorated concrete removal and disposal; and
6.surface preparation.
F.Price and payment for drilling holes and installing dowels constitute full compensation for
providing and placing all materials.
G.The Department will pay for:
1.Concrete overlays under Section 625;
2.concrete sealing with methacrylate under Section 613;
3.concrete or hot mix milling under Section 760; and
4.dowels and anchor bolts under separate items
ITEM DESCRIPTION UNIT 628001 REPAIR OF CONCRETE STRUCTURES BY EPOXY INJECTION LF 628010 CRACK SEALING BRIDGE DECKS, APPROACH SLABS, SIDEWALKS, ETC SF 628011 CRACK SEALING BRIDGE DECKS, APPROACH SLABS, SIDEWALKS, ETC LF 628020 ROUT AND SEAL CRACKS LF 628030 REPAIR OF EXISTING GROUT CF 628040 SHALLOW SPALL REPAIR CF 628041 DEEP SPALL REPAIR CF 62804 2 REHABILITATION OF PCC MASONRY CY 628050 DECK REPAIR, 1/2" TO 1" DEPTH SF CONCRETE REPAIR AND REHABILITATION SECTION 628 346 628051 DECK REPAIR 1" TO 3" DEPTH SF 628052 DECK REPAIR, 3” TO < FULL DEPTH SF 628053 DECK REPAIR, FULL DEPTH SF 628070 DRILLING HOLES AND INSTALLING DOWELS EACH
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 355–357 of 779.