Mark Edward Krebs
Engineers in Huntington Beach, CA

License number
Colorado 34096
Issued Date
Jan 14, 2000
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
4092 Ondine Crk, Huntington Beach, CA 92649

Professional information

Mark Krebs Photo 1

Modular Wastewater Treatment System

US Patent:
6379545, Apr 30, 2002
Filed:
Aug 24, 2000
Appl. No.:
09/645294
Inventors:
Johan A. Perslow - Palm Desert CA
Mark E. Krebs - Huntington Beach CA
James A. Matthews - Lake Forest CA
Assignee:
Pacific Advanced Civil Engineering, Inc. - Huntington Beach CA
International Classification:
C02F 300
US Classification:
210605, 210613, 210620, 210626, 210239, 210607
Abstract:
A modular system for treating wastewater is designed having different phases. In an initial phase, plural tanks are provided, including at least one reactor and digester tank. In a subsequent phase, at least one of the tanks is converted into a different type of tank, and additional new tanks are provided to accommodate larger quantities of wastewater. In one embodiment, conversion of at least one of the tanks is accomplished by removing a temporary wall from a digester tank to create another reactor tank.


Mark Krebs Photo 2

System For Lining A Bank Of A Waterway

US Patent:
6168349, Jan 2, 2001
Filed:
Sep 21, 1998
Appl. No.:
9/157476
Inventors:
Johan A. Perslow - Palm Desert CA
Mark E. Krebs - Huntington Beach CA
Assignee:
Pacific Advanced Civil Engineering, Inc. - Huntington Beach CA
International Classification:
E02B 312, E02D 500
US Classification:
405 16
Abstract:
A soil cement bank lining system is provided for substantially reducing or eliminating erosion along the banks of a waterway such as a flood conveyance facility. The system includes at least two soil cement linings arranged at spaced apart locations. One or more over-bank grade control structures are interposed between the first and second linings. The respective linings preferably extend parallel to the body of water, with one lining being disposed farther from the body of water and at a higher elevation than the other lining.


Mark Krebs Photo 3

Modular Wastewater Treatment System

US Patent:
6132614, Oct 17, 2000
Filed:
Oct 8, 1998
Appl. No.:
9/168543
Inventors:
Johan A. Perslow - Palm Desert CA
Mark E. Krebs - Huntington Beach CA
James A. Matthews - Lake Forest CA
Assignee:
Pacific Advanced Civil Engineering, INC - Huntingon Beach CA
International Classification:
C02F 300
US Classification:
210605
Abstract:
A modular system for treating wastewater is designed having different phases. In an initial phase, plural tanks are provided, including at least one reactor and digester tank. In a subsequent phase, at least one of the tanks is converted into a different type of tank, and additional new tanks are provided to accommodate larger quantities of wastewater. In one embodiment, conversion of at least one of the tanks is accomplished by removing a temporary wall from a digester tank to create another reactor tank.