Great contribution Marty, how we can thank you for this effort.
You uploaded one of the most difficult to get standards which include :
1. ANSI HI - Hydraulic Institute Standards.
2. ACCA Manuals - Air Conditioning Contractors of America technical manuals.
3. NFPA Handbooks, pocket guides & NFSA publications.
4. UL Standards.
5. SWPA Handbook - Submersible Sewage Pumping Systems Handbook.
Once again thank you & keep on such contributions.

Regards,
Ahmed Abd Al-Hameed