Category:1021 Bituminous-Coated Corrugated Metal Culvert Pipe and Pipe-Arches

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This article establishes procedures for inspecting, acceptance and reporting of bituminous-coated corrugated metal culvert pipe and pipe arches. Refer to Sec 1021 for MoDOT’s specifications.

For Laboratory testing and sample reporting procedures, refer to EPG 1021.4 Laboratory Testing Guidelines for Sec 1021.

Contents

1021.1 Apparatus

(a) Micrometer capable of measuring to 0.0001 in. (0.00254 mm) and accurate to within at least 0.001 in. (0.0254 mm).

(b) Rule with suitable gradations to accurately measure the material to be inspected.

(c) The Corrugated Metal Pipe (CMP) Inspection Guide.

1021.2 Procedure

1021.2.1 Bituminous-Coated Corrugated Metal Culvert Pipe

Bituminous-coated corrugated metal culvert pipe and pipe arches are to be accepted in accordance with Sec 1021.2. The basis of acceptance for the bituminous material will be in accordance with AASHTO M 190, except acceptance may be based on samples obtained from storage or from the dipping tanks.

1021.2.2 Material

The pipe shall be in accordance with Sec 1020 and Sec 1024. The bituminous material shall be in accordance with AASHTO M 190.

1021.2.3 Identification Markings

Pipe is to be marked as described in EPG 1020.2.3 Identification Markings for Steel Sheet.

1021.2.4 Random Sampling

Random samples of steel sheet are to be taken as described in EPG 1020.2.4 Random Sampling of Steel Sheet. Random samples of bituminous coating are to be taken in accordance with AASHTO M 190.

1021.2.5 Field Inspection

Field inspection shall be performed in accordance with and at the frequency specified in EPG 1020.2.5 Field Inspection.

1021.2.6 Fabrication

Fabrication of bituminous-coated corrugated metal culvert pipe and pipe arches shall be in accordance with Sec 1020 and AASHTO M 190.

1021.2.7 Lift Hooks or Loops

Lift hooks or loops, if agreed upon by the engineer and manufacturer, may be attached to pipe and pipe arches to facilitate handling.

1021.2.8 Repair of Damaged Bituminous Coating

Bituminous coating damaged or displaced during delivery or installation shall be repaired as directed the engineer by application of hot bituminous material of the same type as that originally used. Care shall be taken to avoid damage to the bituminous materials during heating.

1021.3 Sample Record

Sample IDs shall be assigned and sample records shall be created in accordance with EPG 1020.3 Sample Record.

1021.4 Laboratory Testing Guidelines for Sec 1021

This article To establish procedures for Laboratory testing and reporting samples of bituminous material for coating corrugated metal culvert pipe and pipe-arches.

1021.4.1 Procedure

Bituminous material shall be tested according to AASHTO M190. Original test data and calculations shall be recorded in Laboratory workbooks. Test results shall then be recorded through SiteManager.

1021.4.2 Sample Record

The sample record shall be completed in SiteManager, as described in Sample Record General Information and shall indicate acceptance, qualified acceptance or rejection. Appropriate remarks, as described in EPG 106.20 Reporting, are to be included in the remarks to clarify conditions of acceptance or rejection. Test results shall be reported on the appropriate templates under the Tests tab.

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