Often when sleeves are poured in a trench footing, they are hard to relocate. After taping the ends, add a piece of caution tape, overlapping it outside the trench, and fasten it. Spray paint the location. All you need to do is dig at the colored tape to locate the sleeves later.
The continuing advances of power hand tools receive much attention, and many are linked directly to lithium-ion battery platforms. Tools are lighter, more powerful for their weights, more productive and easier to use.