CAC Safety, Tools, and Equipment Flashcards
6 cards from real CAC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CAC Safety, Tools, and Equipment flashcards as text
What is the primary purpose of a transit level or laser level during pond construction?
Answer: Establishing accurate grade elevations to ensure proper drainage and overflow direction
A transit or laser level establishes accurate grade elevations across the site, ensuring water flows toward the overflow and away from structures as designed.
Which excavation tool is best suited for removing large volumes of soil quickly on a residential pond project?
Answer: Mini-excavator (compact excavator)
A mini-excavator offers the best combination of power, precision, and compact footprint for residential pond excavation with minimal site damage.
When storing EPDM pond liner rolls on a job site overnight, which practice best preserves the material quality?
Answer: Store rolls horizontally on a flat surface, covered with a tarp to protect from UV and debris
Storing liner rolls horizontally on a flat surface and covered prevents UV degradation, deformation, and contamination from job site debris.
What is the recommended method for safely transporting large boulders to a pond edge without damaging the liner or landscape?
Answer: Use a skid steer or excavator with a grapple bucket, placing temporary plywood over completed liner sections
Using mechanical equipment with a grapple bucket and protecting completed liner sections with plywood prevents punctures and landscape damage during boulder placement.
Which type of pump tubing or pipe is preferred for pressurized return lines from pond pumps to waterfall headers?
Answer: Flexible PVC tubing rated for the pump's maximum pressure
Flexible PVC tubing rated for the pump's pressure handles both the working pressure and the flexibility needed for routing in tight spaces without cracking.
When using a foam gun to seal around skimmer and biofalls units, why is it important to allow the foam to fully cure before filling the pond?
Answer: Uncured foam can release chemicals harmful to fish and will not form a watertight seal until fully expanded and cured
Uncured expanding foam contains isocyanates and other compounds that are toxic to fish and will not achieve a proper waterproof seal until fully cured.