|Material description and specifications
Sheets & Coils
|Steel base metal* with 2 oz per ft2 zinc coating
Sheets and Coils
|Polymer coatings applied to sheets* and coils* , 0,010 in. both sides
Coils – Type 2
|Steel base metal* coated with 1 ox. per ft2 of pure aluminum
|Corrugated pipe fabricated from any of the above sheets of coils.
Pipe is fabricated by corrugating continious coils into helical form with lock seam or welded seam, or by rolling annular corrugated mill sheets and riveting or spot welding seams:
1. Galvanized corrugated steel pipe
2. Polymeric pre-coated sewer and drainage pipe
3. Aluminized Type 2 corrugated steel pipe
4. Structual plate pipe
Steel Sewer Pipe
|Corrugated steel pipe of any of the types shown above with a
0.050 in. asphalt coating
Seel Sewer Pipe
|Corrugated steel pipe of any one of the types shown above;
a. Ashalt coated pipe with 0.050 in. ashpalt coating and
pavement poured in the invert to cover the currgation by 1.8 in.
b. With a field applied 3 in. (3250 psi) concrete invert or 1 1/2 in.
high strength (9600 psi) concrete invert.
C. With polymer material applied 0.050 in. above the crest in the invert.
|Fully Lined Steel
|Corrugated steel pipe of the types shown above:
a. With an internal asphalt lining centrifugally spun in place.
b. With an internal concrete lining in place.
c. Corrugated steel pipe with a smooth steel liner integrally formed
with the corrugated shell or.
d. Corrugated steel pipe with a single thickness of smooth
sheet fabricated with helical ribs porjected outward or.
e. With concrete pavement and linings installed in the field.
|Mastic or coal tar base coating of various viscosities for field
or sho coating of corrugated pipe or structural plate.
|1. Standard O-ring gaskets
2. Sponge neonprene sleeve gaskets
3. Gasketing strips, butyl or nioprene
4. Mastic sealant
|* yield point -33 ksi min; tensile strength -45 ksi min.; elongation (2in.) -20%
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