I’m David Chavez, a California-based residential drafting professional specializing in permit-ready plan sets for ADUs, garage conversions, additions, and small construction projects. I provide clean... Read more

I’m David Chavez, a California-based residential drafting professional specializing in permit-ready plan sets for ADUs, garage conversions, additions, and small construction projects. I provide clean, city-submittal quality drawings with quick turnaround times and experience working directly with contractors, homeowners, and engineers. My focus is on accurate plans, clear communication, and helping projects move through planning and building departments efficiently.

(12) years experience in piping design and drafting for,chemical ,fertilizer (Crystallization,evaporation and ammunium nitrate unite),Cement works,Oil & Gas and Petrochemical industries,. Conceptual... Read more

(12) years experience in piping design and drafting for,chemical ,fertilizer (Crystallization,evaporation and ammunium nitrate unite),Cement works,Oil & Gas and Petrochemical industries,. Conceptual plant layout from preliminary documents such as PFD’s, geological plans, preliminary vendor data to produce a 3D cadworx based model showing major equipment, structures, modules and main pipe routes and access volumes • Experience with EPC Company in detailed design and drafting. - The production of mechanical and piping drawings associated with turn-key wood fuelled boiler installations, ducting and district heating systems and heat pumps systems including: - 2D Plantroom Layouts & Sections - 2D Pipework & piping Service Layouts - Mechanical & piping Schematics • Piping layout, plot plans, equipment arrangement with piping flexibility. • Perform squad check of vendor equipment drawings and other discipline drawings. •CAD software like AutoPlant V8i (expert), AutoCAD & CADWorx. • Applies design standards and principles in compliance with all applicable Codes and Specifications such as API, ASME, ANSI, etc. my ▒▒▒▒▒▒▒▒▒▒▒▒:▒▒▒▒▒▒▒▒▒▒▒▒

I'm a versatile electro-mechanical engineer and fabricator with over a decade of experience practicing skills and abilities that make me a resourceful addition to many projects. I have professional e... Read more

I'm a versatile electro-mechanical engineer and fabricator with over a decade of experience practicing skills and abilities that make me a resourceful addition to many projects. I have professional experience collaborating with teams and in project ownership of R&D, prototyping, fabrication of parts and assemblies for medical device, aerospace, semiconductor, energy and high tech agriculture industries. • Proficient in CAD/CAM software • Drafting and design rendering into 3d model and fully defined technical drawings • CNC pro with metals/plastics/composites/wood • Programing, fixture design and setup of VMC/HMC/router/lathe/plasma machines in-shop or off-site • Machine setup and custom post-processor programming