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Filing Detail
Form 10-Q/A - Quarterly report [Sections 13 or 15(d)]: [Amend]
SEC Accession No. 0001193125-12-191373
Filing Date
2012-04-27
Accepted
2012-04-27 16:45:28
Documents
10
Period of Report
2011-06-30

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q AMENDMENT NO. 1 d290449d10qa.htm 10-Q/A 820090
2 SECTION 302 CEO CERTIFICATION d290449dex311.htm EX-31.1 9966
3 SECTION 302 CFO CERTIFICATION d290449dex312.htm EX-31.2 10228
4 SECTION 906 CEO CERTIFICATION d290449dex321.htm EX-32.1 3255
5 SECTION 906 CFO CERTIFICATION d290449dex322.htm EX-32.2 3258
  Complete submission text file 0001193125-12-191373.txt   4229630

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT nwpx-20110630.xml EX-101.INS 849980
7 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20110630.xsd EX-101.SCH 10497
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20110630_cal.xml EX-101.CAL 42105
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20110630_lab.xml EX-101.LAB 127979
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20110630_pre.xml EX-101.PRE 84168
Mailing Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661
Business Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661 3603976250
NORTHWEST PIPE CO (Filer) CIK: 0001001385 (see all company filings)

IRS No.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q/A | Act: 34 | File No.: 000-27140 | Film No.: 12790311
SIC: 3317 Steel Pipe & Tubes