Single bit
2022/02/18

Drilling a Single Hole in a Non-Self-Supporting Mountain | What We Gain from Challenging Sites

Hello, everyone. This is Enta. I’m really stuck on this job right now, lol. It’s supposed to be single-pipe drilling, but this isn’t the kind of slope where you can actually drill with a single pipe—it can’t be done without double-pipe drilling! If I try to drill with a single pipe, it just collapses right away. The borehole walls in the natural ground start to…

Market Unit Price: Rebar Insertion Worker—Site Conditions
2021/04/12

Adjustment of Market Unit Prices for Rebar Insertion Work Based on Site Conditions (Site Condition III)

Hello, everyone. This is Enta. This is the final installment in our series on Site Conditions III! If you haven’t seen the previous posts, check them out here: What Does the Application of Site Conditions Mean for Market Unit Prices for Rebar Insertion Workers? (Site Conditions I) What Does the Application of Site Conditions Mean for Market Unit Prices for Rebar Insertion Workers? (Site Conditions II) Site Conditions…