NPS Pinal Inc. - Civil Engineers

NPS Pinal Inc. - Civil Engineers
An Arizona Nonprofit Corporation since 2017
2550 S. Santan Village Pkwy #4057


NPS Pinal Inc. is a registered Arizona civil engineering firm with particular expertise and experience in:

About NPS

NPS Pinal Inc. is a member of the self-managed family of engineering companies founded by Tom Haws (currently including NPS Maricopa Inc. and NPS Agua Fria Inc.) that comprise a successfully exciting experiment in the following organizational foundations:


Kris McDonald

Kristoffer T. McDonald is a civil engineering and land surveying technician since 2006. He received a certificate in Quantum Mechanics and Quantum Computation from University of California at Berkeley in 2013. His experience includes civil engineering design, plans, and calculations using Autodesk Civil 3D alignments, parcel objects, pipe networks, plan and profiles, sheet sets, contours from surfaces, volume surfaces, transforming LiDAR data into usable civil objects; quantity take offs, storm water analysis and pipe sizing, watershed analysis, pressure pipe sizing, paving quantities and grading quantities; construction site inspection and staking including including layout and turning level circuits; writing project specifications according to local, state and federal regulations; land surveying including gathering field data and evidence, calculations, proration, and preparing plats. Kris is also a programmer including LAMP/PHP and ASP.

Tom Haws

Thomas Gail Haws graduated from Brigham Young University in Utah with a Bachelor of Science in civil engineering in 1991. He has been a registered civil engineer in the State of Arizona since 1996 with a special focus on flood control. He was born in Mesa, and he has practiced mostly in central Arizona starting with subdivision drainage reports and water system mapping and through the decades including paving; grading and drainage including watershed studies (HEC-1, SWMM, and DDMSW), erosion protection, and scour calculations; water plans and models (EPANET); sewer line plans and models, treatment plant elements, and lift station plans and models; flood irrigation plans and models; and floodplain revisions and certificates (HEC-RAS 1D and 2D) for large and small subdivisions, single homes, roads, utilities, and commercial, government, utility, and mining sites. He is also a programmer (including for AutoCAD and the LAMP/JS web stack), blogger, and vocal musician/arranger/composer.

Mary Cabais

Mary Josette Manahan Cabais is a Filipino registered civil engineer. She graduated from Mapua Institute of Technology in Intramuros, Manila Philippines with a Bachelor of Science in Civil Engineering in 2004 and National University in Sampaloc, Manila Philippines with a Bachelor of Science in Sanitary Engineering in 2013. She worked in Airport Infrastructure and Civil/Building projects as Assistant Quantity Surveyor in Dubai and AbuDhabi, UAE for 2 years. Working in a different culture and people was a tremendous experience for her. She joined a different private company and non-government organization, Philippine Red Cross for 7 years. She has experience in residential, commercial, and subdivision detailed engineering design such as roads, stormwater drainage, sewerage, water (EPANET), hydrology and hydraulics (HEC-RAS 1D and 2D), and wastewater treatment plant. Also, she became a Hydraulics, Hydrology, and Fluid mechanics professor in Pamantasan ng Lungsod ng Valenzuela from 2015 to 2016. In 2016, She started freelance work across Australia, Hawaii, and local projects. She owns a firm, MJC consulting engineers, recently registered in early January 2020. She has experience in the following software: AutoCAD, Civil 3D, Hydra flow storm sewers, and storm and sanitary analysis, Bentley ProjectWise, HEC-RAS, Hydro CAD, Epanet, and HY-8. She was hired by Tom Haws in 2018 via Upwork as Flood Control Civil Engineer-Freelancer in NPS Maricopa. An extraordinary woman who balances work and family. Mary loves music, swimming, biking, hiking, and traveling with family.