NEWS: Coastal wetlands are unable to adapt to the rate of sea-level rise and are constrained by infrastructure
NEWS: Coastal wetlands are unable to adapt to the rate of sea-level rise and are constrained by infrastructure
Wetlands, precious ecosystems that shield coastlines, safeguard drinking water from saltwater contamination, and nourish diverse wildlife, face a dire threat from the accelerating pace of sea-level rise, driven by global warming. Wetlands have historically adapted to rising sea levels by expanding upward and inland. However, predictions indicate that the waterline will soon shift far too rapidly for wetlands to keep pace. Consequently, future decades may witness the tragic loss of these vital wetland ecosystems. Wetlands along coastlines have historically played valuable roles for people and wildlife, but are now facing the threat of sea-level rise. As temperatures rise, sea levels are rising at an accelerating rate, and wetlands are unable to keep pace by building upward and migrating inland. This is due to human-induced climate change and the burning of fossil fuels, which has warmed the oceans and melted glaciers. Sea levels are now rising at about 10 millimeters per year, and are
- Get link
- Other Apps
In this article, I fully agree with Kevin. I have been involved in contractor development for many years. I believe at the planning stage when the project team is getting both the BOQ and the construction drawings together, the 30% or more intent should be clearly outlined, defined and quantified. The main contractor should be in a position at time of tender to be able to pre-determine the sub-contractors and the exact % they intend to subcontract out. The best method of achieving the 30% is to have the subcontract components clearly defined in both the drawings and the BOQ, this process needs to commence at stage gate 3 in the project planning. Than it falls to the professional team and the main contractor to manage the project appropriately. Furthermore, the terms and conditions of the main contract need to be applied equally to the sub-contract in turn. This will ensure the main contractor is to a degree safe guarded from delinquent subbies.
ReplyDeleteRegards
Arthur King
Pr.Arch (Ntl) Cert A+ N+
Hi Arthur. Unfortunately this is a complex subject with many possible solutions. One major challenge however is the management of expectations. The 30% target is thrown around loosely amongst potential stakeholders who do not qualify due to not being formal contractors with the correct registration, SARS compliance, CIDB grading etc. As contractors, we understand these requirements, however for people on the breadline who see a major project in their area, they have no clue about these requirements. It is left to the contractor to manage these expectations which are founded in desperation. Contractors are ill-equipped to take on this responsibility therefore leading to unrest, dissatisfaction and often violence.
DeleteA mechanism for incubating these role-players must be sought and it can only be done by means of open dialogue between client and contractor bodies, mandated to find a solution which best achieves the goals of inclusive development.