|707.11 Mortar Lined Corrugated Steel Pipe|
2. Sampling and/or Inspection Requirements:
All pipe and coupling bands shall be inspected after delivery to the project for condition, coating, workmanship and quantity. Dimensions shall be checked against the pertinent Tables of the 707.01, 707.02 Addendum. Seam fabrication requirements shall be checked in accordance with this Addendum. Uncoated pipe also meets 707.01 or 707.02. (Field)
Markings may not be visible due to being covered by coating.
Individual pieces may be rejected for the following items of faulty workmanship:
Variation from straight centerline
Ragged or diagonal sheared edges.
Loose, unevenly lined or spaced rivets or spot welds.
Poorly formed rivet heads or improperly constructed lock seams.
Improperly cut or badly burred ends
Lack of rigidity
Improper coating thickness of mortar of less than 1/4 inch over crest of corrugations
Dents or bends in the metal
Inadequate, improperly applied, asphalt barrier coating between mortar and galvanized pipe.
Metal Pipe certified in accordance with Supplement 1019: for a list of manufacturers conforming with this supplement's requirements visit OMM website at
Certified materials will be shipped using the TE-24 electronic documentation system. A bill of lading defining individual components incorporated in the construction item shall accompany the shipment in addition to a copy of the TE-24.
No samples are required of materials delivered to the project site. Random samples may be obtained by ODOT/OMM Quality Assurance Inspectors at the discretion of the Office of Materials Management (OMM).
3. Methods of Tests:
(OMM) - Metal Pipe Portion
AASHTO T 65, T 213: ASTM A 90, A 370
ASTM A849 for mortar. No test can be performed after fabrication on the mortar strength
AASHTO M190 Type A, M274
Refer to Section 4 Items 707.01 and 707.02 and the following:
If the pipe is 707.02 wall thickness will be a minimum of .109" [2.77 mm]
Pipe should have an asphalt coating before the mortar lining is applied. [50 mils minimum]
Fully coated mortar lining will be 1/4" [6.5 mm] above corrugation crests.