If the amount of the payments made by the plan is more than it should have paid under the COB, from where can the plan recover the excess?

Which of the following statements BEST describes standpipe and hose systems?

A. Standpipe systems may not be effective on small fires in their early stages. B. Standpipe systems normally discharge water outside of the protected building. C. Design and installation of standpipe systems and hose stations are described in NFPA® 13 and NFPA® 14. D. Standpipe system components commonly include a control panel, alarm actuator, cross mains, and an inspector's test valve.

The purpose of a(n) ____________________ is to protect the soil around the discharge pipe from erosion and keep the slope in place.

Fill in the blank(s) with the appropriate word(s).