Total Refinery Project
Port Arthur, TX · Oil & Gas · Client: Total
Project details
Construction, maintenance, and operations services supporting refinery completion.

We Are the Solution For All your Design and Construction Needs
Completion Doszier LLC provides specialized construction project completion management, quality control, budget control, and turnover documentation, with extensive experience in international oil and gas refinery construction. Established to simplify complex construction and operational workflows, the practice supports clients from the conceptual phase of a project through closeout and handover. It delivers solutions including quality and system dossiers, construction drawings (P&IDs), Lean methodology, and comprehensive site auditing.
Lean Construction - Trained · Quality Assurance - Trained
Sean WalkerCEO/Director
Heather Smith-WalkerPresident/Director
Verification systems, waste reduction strategies, and systematic assessments to maintain project standards and efficiency throughout construction.
Inspection and Test Plan (ITP) templates and documents customized for specific construction needs.
Equipment preservation templates to properly manage and protect installed project assets.
Efficiency methodologies and waste reduction strategies employed to streamline project execution.
Field assessments and layout reviews to identify the most efficient path to project completion.
Financial alignment services covering deep budget analysis and tailored implementation strategies to maximize value and minimize resource waste.
Comprehensive spending evaluations to optimize the allocation of funds within an active development.
Phased strategy integration across engineering, fabrication, commissioning, and completion steps.
System and completion documentation management to support seamless handovers and final sign-offs.
Compilation of technical system boundaries, testing records, and operational readiness documents.
Assembled construction quality records, inspection clearances, and compliance checklists.
Handover materials, database punch lists, and mechanical completion sign-offs.
Defined operational transfer sequences and client acceptance protocols.
Timeline management and critical path analysis to keep project development aligned with target deadlines.
Strategic baseline timelines mapping out critical paths for all development phases.
Ongoing monitoring and schedule governance to prevent slippage and manage project handovers.
Drafting, detailing, and technical reviews of spatial plans, equipment layouts, and piping designs.
Detailed schematics illustrating the functional relationship between piping, instrumentation, and system equipment.
Oil & Gas
Port Arthur, TX · Oil & Gas · Client: Total
Construction, maintenance, and operations services supporting refinery completion.
Roxana, IL · Oil & Gas · Client: Wood River Refinery
Refinery construction support and completion services.
Malaysia · Oil & Gas · Client: Shell
International energy project support services.
Mexico · Oil & Gas · Client: Sempra LNG
Infrastructure and LNG terminal completion support.