505000 PCC PATCHING, PARTIAL DEPTH SY-IN

DE · 2025 Standard SpecificationsBook pages 173–173View official source ↗

PIPE CULVERTS SECTION 601 163 DIVISION 600 — STRUCTURES

601.1Description.

This work consists of providing and placing pipe culverts, flared end sections, and connections to existing drainage inlets and manholes.

601.2Materials.

A.Reinforced Concrete Pipe Section 1031

B.Thermoplastic Pipe Section 1031

C.Flared End Section Section 1031

D.GABC Section 1005

E.PCC, Class A , B, or C Section 1022

F.Chemical Sealing Section 1047 .5

G.Mortar Section 1047.6

H.Liquid Membrane -Forming Compounds for Curing Section 1045.7

601.3Construction.

601.3.1 Preconstruction Inspection. The Department will review all existing pipes for use in the final drainage system and will discuss the system condition with the contractor before starting construction. 601.3.2 Excavation and Pipe Bedding.

A.Excavate the pipe trench and place bedding within the template of the item in accordance with

Section 207 and the Standard Construction Details. Class C bedding is to be used in accordance with the Standard Construction Details unless specified otherwise. When Class A bedding is specified, cure PCC with materials in accordance with Section 1022.6 . Remove unsuitable material encountered below the proposed pipe bedding and replace as directed by the engineer in accordance with Section 207.

B.When the contract calls for placing pipe in an embankment or fill area that has not been fully

constructed, create a fill area for the pipe a minimum width of 2 pipe diameters on each side of the pipe and 18 -inches over the top of the pipe. If the embankment finished elevation is less than 18-inches above the pipe, build the fill to the finished elevation. Once the fill area is created, trench for pipe placement. 601.3.3 Reinforced Concrete Pipe.

A.Joints

1.Before laying the pipe in the trench, attach the rubber gasket or joint sealant to the spigot end

of each pipe as follows:

Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 173–173 of 779.

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50400 1 PCC CRACK AND JOINT SEALING LESS THAN 3/4 -INCH WIDE LF

601 — PIPE CULVERTS