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RE: QUERY: SSPC Definitions

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SP3 - Power Tool Cleaning - Removal of all loose rust, loose mill scale, and
loose paint to degree specified, by power tool chipping, descaling, sanding,
wire brushing, and grinding.

SP6/NACE No.3 - Commercial Blast Cleaning - Blast cleaning until at least
two-thirds of the surface area is free of all visible residues. (For
conditions where thoroughly cleaned surface is required.)


 -----Original Message-----
From: 	Bill Polhemus [mailto:bill(--nospam--at)]
Sent:	Thursday, April 05, 2001 10:08 AM
Subject:	QUERY: SSPC Definitions

If someone wouldn't mind, could you please give me a summary of the
definitions Structural Steel Painting Council (SSPC) SP6 (Commercial Blast
Cleaning), and SSPC SP3 (Power Tool Cleaning)?


William L. Polhemus, Jr., P.E.
Polhemus Engineering Company
Katy, Texas
Phone 281-492-2251
Fax 281-492-8203