Project Management in the Oil and Gas Industry

7.7.3 Construction 
Stage
During the Construction Phase the Commissioning Team works to ver-
ify that systems and assemblies operate in a manner that will achieve the 
Owner’s Project Requirements.
The two overarching goals of the Construction Phase are to assure the level 
of quality desired and to assure the requirements of the contracts are met.
The Construction Phase commissioning activities are a well- orchestrated 
quality process that includes installation, start-up, functional performance 
testing, and training to ensure documented system performance in accor-
dance with the owner’s project requirements. This testing and documen-
tation will also serve as an important benchmark and baseline for future 
recommissioning of the facility.
7.7.3.1 Review Submittals for Performance Parameters
As submittals for products and materials are received from contractors, 
copies of submittals critical to the commissioning process shall be for-
warded to the CxA.
In general, the CxA is responsible to review the following types of 
submittals:
• Coordination 
drawings
• Redline 
as-builts
• Product data and key operations data submittals

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• Systems 
manuals
• Training 
program
Clearly, the CxA cannot review every project submittal. The CxA’s 
review of submittals shall be limited to those items that are critical to the 
focus of the commissioning process. This review allows the CxA to check 
the submittals for adherence to the owner’s project requirements, basis of 
design, and project specifications. The CxA shall pay special attention to 
substitutions and proposed deviations from contract documents and the 
BOD. The CxA will only comment on submittals to the extent if there is a 
perceived deviation from the owner’s specifications.
7.7.3.2 Develop and Utilize Construction Checklists
Construction checklists are developed by the Commissioning Agent, 
maintained by the Construction Manager, and used by the Construction 
Contractor and subcontractors.
The intent of construction checklists is to convey pertinent information 
to the installers regarding the customer agency’s concerns on installation 
and long-term operation of the facility and systems.
The approach to the checklist’s structure is to keep it short and simple by 
focusing on key elements.
Checklists span the duration from when equipment is delivered to the job 
site until the point that the system/component is started up and operational. 
This includes testing, adjusting, balancing, and control system tuning.