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Understanding Prolongation Claims in Construction
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asdaf
36 posts
Jul 02, 2025
12:27 PM
In the complex world of construction contracts, disputes over time and cost overruns are a recurring issue. Among the various claims that can arise, Prolongation Claims are particularly significant. These claims, often filed by contractors or subcontractors, relate to the additional time and cost incurred due to delays in completing a project. This article explores the concept, legal basis, common causes, and best practices in handling Prolongation Claims, offering a comprehensive understanding for contractors, clients, and legal professionals alike.

What Are Prolongation Claims?
Prolongation Claims refer to compensation requests made by contractors for the extended duration of a project beyond the originally agreed time frame. These claims seek reimbursement for the additional costs incurred due to the delay, such as extended site overheads, increased labor charges, extended use of equipment, and loss of productivity.

The key aspect that differentiates Prolongation Claims from other types of delay claims is that they are based on excusable delays that are typically the fault or responsibility of the employer or external factors, and not due to the contractor’s negligence or inefficiency.

Legal Basis of Prolongation Claims
The enforceability of Prolongation Claims largely depends on the terms outlined in the construction contract. Standard contract forms such as FIDIC, JCT, and NEC usually include clauses that allow contractors to claim an extension of time and compensation for prolonged work periods.

However, merely establishing a delay is not sufficient. Contractors must:

Prove the delay is compensable (i.e., it is not their fault).

Show cause and effect between the delay and the prolonged activities.

Quantify the additional costs incurred.

Courts and arbitration panels will often scrutinize the documentation and causation chain to determine if the claim is valid.

Common Causes of Prolongation Claims
Several events can trigger valid Prolongation Claims, including:

Design Changes or Late Issuance of Drawings
When the client changes the scope or delays issuing essential project drawings, work may be suspended or modified, leading to increased timelines.

Late Site Possession
If the contractor is not granted access to the site on time, the entire schedule can be disrupted.

Delayed Approvals
When inspections or approvals from the client or third parties are delayed, it can slow down construction progress.

Unforeseen Ground Conditions
Discovering unexpected underground utilities or soil issues can halt construction and cause significant delays.

Force Majeure Events
Natural disasters, pandemics, and other unforeseeable events that hinder performance may lead to legitimate Prolongation Claims if recognized by the contract.

Components of a Prolongation Claim
A strong Prolongation Claim typically includes:

Narrative Explanation: A detailed timeline of the delay events, explaining how and why they occurred.

Cause-Effect Analysis: Showing the direct link between the delay and the resulting prolonged activities.

Cost Analysis: A breakdown of additional costs, such as labor, equipment, supervision, accommodation, and overheads.

Supporting Documentation: Project schedules, daily site reports, correspondence, and invoices that support the claim.

Calculating Prolongation Costs
There are several methods to calculate the costs in Prolongation Claims:

Actual Cost Method
Based on actual incurred costs due to the delay. This method is most accurate but requires detailed record-keeping.

Global Claims Approach
A lump sum claim for overall delay impacts, used when individual cause-effect relationships are hard to establish. Courts are cautious about accepting this unless there is no alternative.

Head Office Overhead and Profit Formulas
Such as the Hudson, Emden, or Eichleay formulas to calculate unabsorbed overhead costs during the delay.

Preventing and Managing Prolongation Claims
Managing Prolongation Claims efficiently requires proactive contract and project management:

Clear Contractual Terms: Clearly define delay, extension, and compensation clauses to avoid ambiguity.

Proper Record-Keeping: Maintain daily logs, correspondence, updated schedules, and cost reports.

Timely Notifications: Notify the employer of potential delays and claims promptly as required by the contract.

Use of Project Management Software: Tools like Primavera P6 or MS Project can help track delays and document impacts in real-time.

Engaging Experts: Delay analysts or claims consultants can help strengthen or defend against Prolongation Claims.

Dispute Resolution in Prolongation Claims
If a Prolongation Claim is disputed, it may proceed to negotiation, mediation, adjudication, arbitration, or litigation depending on the dispute resolution mechanism in the contract. The burden of proof lies on the claiming party, and failure to present convincing evidence often leads to rejection of the claim.

Conclusion
Prolongation Claims are a critical aspect of construction law and project management. Whether you are a contractor aiming to recover additional costs or an employer defending against such claims, understanding the intricacies of how these claims arise, how they are substantiated, and how they are resolved is essential. Well-drafted contracts, diligent project monitoring, and timely communication form the cornerstone of effective delay and claim management. In the ever-evolving landscape of construction projects, being prepared to handle Prolongation Claims professionally can make a significant difference in project success and profitability
Augustine max
1 post
Jul 29, 2025
5:12 AM
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