Welcome to the On Site channel’s Construction Administration Column. What should you do when there is a discrepancy between the amount on a payment application and the amount that was contracted? Here David A. Todd, P.E., CPESC, gives his opinion.

Columnist David A. Todd, P.E., CPESC, has 37 years of experience in the architecture, engineering, and construction (AEC) industry and has performed much construction administration during that time. He will answer questions from our readers or from his own practice and will provide answers based on his understanding of the construction process and administration of the construction contract. The focus will be on the customary duties of the owner, contractor, and design professional as typically described in the contract documents.

Welcome to the On Site channel’s Construction Administration Column. Who should pay when work is done out of contract? Here David A. Todd, P.E., CPESC, gives his opinion.

Columnist David A. Todd, P.E., CPESC, has 37 years of experience in the architecture, engineering, and construction (AEC) industry and has performed much construction administration during that time. He will answer questions from our readers or from his own practice and will provide answers based on his understanding of the construction process and administration of the construction contract. The focus will be on the customary duties of the owner, contractor, and design professional as typically described in the contract documents.

Welcome to the On Site channel’s Construction Administration Column. What should you do if a contractor fails to ask for a change order in a timely manner? Here David A. Todd, P.E., CPESC, gives his opinion.

Columnist David A. Todd, P.E., CPESC, has 37 years of experience in the architecture, engineering, and construction (AEC) industry and has performed much construction administration during that time. He will answer questions from our readers or from his own practice and will provide answers based on his understanding of the construction process and administration of the construction contract. The focus will be on the customary duties of the owner, contractor, and design professional as typically described in the contract documents.

Welcome to the On Site channel’s Construction Administration Column. Unsure of how to handle bond submittals? Here David A. Todd, P.E., CPESC, gives his opinion.

Columnist David A. Todd, P.E., CPESC, has 37 years of experience in the architecture, engineering, and construction (AEC) industry and has performed much construction administration during that time. He will answer questions from our readers or from his own practice and will provide answers based on his understanding of the construction process and administration of the construction contract. The focus will be on the customary duties of the owner, contractor, and design professional as typically described in the contract documents.

Welcome to the On Site channel’s first Construction Administration Column. David A. Todd, P.E., CPESC, gives his opinion on a common issue with shop drawing approval.

Columnist David A. Todd, P.E., CPESC, has 37 years of experience in the architecture, engineering, and construction (AEC) industry and has performed much construction administration during that time. He will answer questions from our readers or from his own practice and will provide answers based on his understanding of the construction process and administration of the construction contract. The focus will be on the customary duties of the owner, contractor, and design professional as typically described in the contract documents.

When I began my career in the engineering/construction industry 37 years ago, erosion from construction sites was never a stated concern. None of the hugewater treatment plantsandwastewater treatment plantsI designed had any provisions for preventing erosion or controlling sediment. The streams, lakes, and rivers downstream from my sites no doubt did a lot of natural “settling” and maybe “filtration.”