The phrase "assess existing" is correct and usable in written English.
It can be used when evaluating or analyzing current conditions, resources, or situations.
Example: "Before making any changes to the project, we need to assess existing resources and capabilities."
Alternatives: "evaluate current" or "review existing".
The objectives of the institutional assessments were to assess existing capacities for HSR and to develop capacity development plans to address prioritized gaps.
They will learn to critically assess existing indicators and indices, and to construct their own.
We aim to assess existing and potential ecological issues threatening sustainable development of China's marine environment.
The ICC is not formally extending its jurisdiction, but the court said it would assess existing offences, such as crimes against humanity, in a broader context.
Some of these efforts involve developing new guidelines, and others assess existing guidelines for their clinical usefulness.
The authors assess existing and emerging tariff designs to address the advent of grid-connected substitutes such as distributed generation.
Serviceability limit states (related to deformation) rather than ultimate limit states (related to collapse) are often the reason for the need to assess existing timber structures.
Cities can use changes in federal and state regulations as opportunities to assess existing city regulations, spur conversation and education around climate change adaptation, and create city-specific updates to local codes.
The TSPY sequences were subjected to parsimony analyses in PAUP 4.0, followed by tree comparison tests designed to assess existing morphological hypotheses of cercopithecine evolution.
The proposal aims to develop a method to select and assess existing tools to provide a global evaluation during the early stages.
The report said "the drug problem requires a flexible approach," and "it would be worthwhile to assess existing signals and trends that lean toward the decriminalization or legalization of the production, sale and use of marijuana.
