The term 'SITE HAMMER' is a job description for someone who uses a hammer to build or repair sites. The crossword solutions for this term are EAR, which stands for Excavation and Repair. This job involves using a hammer to excavate and repair sites, such as buildings, roads, and other structures. The person in this role must have a good understanding of the tools and techniques used in excavation and repair work. They must also be able to work safely and efficiently in order to complete the job.