Have you ever stopped to think that, on a construction site, all contracts are interconnected? The foundation contract is related to the concrete supply contract, which affects the equipment rental contract, which in turn depends on the general contracting agreement. And if one of these fails… the domino effect, or rather, chaos, takes over. It’s precisely at this point that the concept — still little explored — of a contractual ecosystem in civil construction emerges.
By definition, an ecosystem is an interconnected set of elements that depend on one another to function harmoniously. In the world of contracts, this logic also applies. Antoine Garapon and Jean Lassègue (2021) already pointed out that “the ecosystem refers to the idea of an organism and of a balance that must be constantly found and preserved… nothing is completely isolated, everything interacts” (our translation) [1].
In civil construction, this ecosystem is made up of a complex web of contracts that form the legal foundation of any project and make its fulfillment possible. There are dozens — sometimes hundreds — of agreements that coexist and depend on each other: purchase and sale, general contracting, leasing, lending for use, loan agreements, service provision, among others.
Contracts on a construction site are like plants in the same garden. They may seem to be in separate pots, but they all share the same soil, receive the same water, sunlight, and care. If one gets sick, the risk of spreading to the others is huge. In the contractual ecosystem, it’s the same: a poorly managed contract can contaminate all the others and disrupt the proper functioning of the project, since they do not exist in isolation—they’re part of the same ecosystem, capable of generating impacts on schedule, budget, and even the company’s reputation.
This ecosystem is managed by a collaborative network of professionals, among whom the lawyer plays a key role. It’s not enough to draft contracts and leave them filed away, expecting them to function automatically. The reality of a construction project demands strategic and continuous management of this complex organism.
In practice, the lawyer operates in five main areas: (i) drafting the contract with clear definitions of scope, parties involved, clauses, and risks; (ii) formalizing the agreement with the necessary technical and operational attachments; (iii) monitoring contract implementation and its interfaces; (iv) tracking compliance with deadlines, quality, and standards; and (v) intervening when necessary, through the management of claims, settlements, or appropriate dispute resolution methods such as mediation and arbitration.
The main goal of an effective legal department on a construction site? To ensure the project runs smoothly and to prevent the dreaded claims.
“A claim arises when there is a perceived breach of contract, requiring a coordinated process from identification to settlement. This process is essential to correct failures and ensure project continuity; hence the importance of a standardized document management system to facilitate it” (our translation) [2].
In this context, the lawyer’s role goes far beyond simply reviewing clauses. It is their responsibility to build the project’s legal architecture, organize documents, standardize clauses, guide managers, and monitor the entire execution with a preventive yet technically grounded perspective. A proactive approach avoids litigation, reduces risks, and fosters collaborative solutions.
Maintaining a healthy ecosystem requires a series of best practices: standardization of documents, clear definition of general conditions, well-structured checklists, integration between engineering, procurement, and legal departments (in all project phases — from planning to final delivery), team training on contract reading and interpretation, post-project reviews for continuous learning, and, above all, the use of technology to organize and monitor all involved contracts.
Projects with efficient contract management face fewer disputes, have less rework, operate with greater predictability and risk control, maintain better relationships with suppliers and contractors, and gain agility in decision-making and claim management. Moreover, they preserve the production chain and strengthen the continuity of business relationships.
Even in the face of conflicts and claims, it is essential that contractor and client maintain a functional commercial relationship. Therefore, legal work must be preventive and collaborative. A neglected contractual ecosystem can collapse like a compromised foundation. On the other hand, well-structured management ensures the project moves forward solidly, even in the face of unforeseen events.
Managing a contractual ecosystem strategically means protecting the entire enterprise. Companies that adopt this vision avoid losses, strengthen trust with partners, and create an environment conducive to innovation and sustainable growth.
And you—have you reflected on how your project’s contractual ecosystem is doing? Thinking legally is not bureaucracy. It’s intelligence applied to construction.
[1] “O ecossistema refere-se à ideia de um organismo e de um equilíbrio a ser constantemente encontrado e preservado… nada é completamente isolado, tudo interage”. NACCACHE, Andréa Martos. Ecossistemas contratuais: a experiência do direito do consumidor. Civilistica.com. Rio de Janeiro, a. 13, n. 2, 2024. Disponível em <https://civilistica.emnuvens.com.br/redc/article/view/988>. Acesso em 25/04/2025.
[2] “Um pleito surge quando há um descumprimento percebido do contrato, necessitando de um processo coordenado de identificação até a liquidação. Este processo é essencial para corrigir falhas e garantir a continuidade da obra, por isso a importância de um sistema padronizado de gerenciamento de documentos para facilitar este processo”. SILVA, T. J. S., ANDERY, P. R. P. Diretrizes para a gestão de pleitos em projetos de grande porte no setor da construção no Brasil. In: Encontro Nacional de Tecnologia do Ambiente Construído, 20., 2024, Maceió. Anais. Maceió: ANTAC, 2024.
