Quote from bsdinsight on 9 April 2025, 19:11

Types of Construction Delay Basic Distinctions:
•Excusable & Non-Excusable
•Compensable & Non-Compensable
•Concurrent & Non-Concurrent
•Critical vs. Non-Critical

hashtag#Excusable Delays:

“Excusable delays are caused by conditions that are reasonably unforseeable and not within the contractor’s control”

Non-Excusable Delays:
•Late hashtag#performance of subcontractors • Late performance by suppliers
•Faulty workmanship by the contractor or subcontractors
•A project specific labor strike caused by either the contractor’s unwillingness to negotiate or by unfair job practices

– Delay Analysis methodologies

1》As Planned versus As Built Comparison
• Simple to Prepare
Shortcomings
•No information on particular delay events
•Similar to “Total Cost” approach

2》Impacted As hashtag#Planned Method
•Begin with As Planned Schedule
•Add Owner or Contractor Delays
•Compute Owner caused delay & Contractor caused delay

3》Collapsed (But for) As Built Method
•Begin with As Built Schedule, including Owner and Contractor Delays
•Remove Owner (Contractor) caused delays
•Resulting schedule shows when Contractor (Owner) would have finished “but for” Owner (Contractor) delays

Benefits:
•Very good accuracy
Shortcomings:
•No allowance for hashtag#mitigation of delays

4》Contemporaneous Period (Windows) Analysis
•Begin with As Planned Schedule
•Select periods (windows) to analyze
•Enter actual progress and delay activities using contemporaneous project documents
•Calculate the schedule
•Repeat the process for the next window

Benefits:
•Most accurate results
•Considers hashtag#dynamic nature of the hashtag#critical path Shortcomings
•hashtag#Time consuming
•hashtag#Costly to prepare