1. Review the members of the percussion instrument family. Distribute the Instrument Families of the Orchestra handout that can be found within the Resource Carousel and review the information in the âPercussionâ column. 2. Play instrument listening clips for the percussion family from 'Perfect Pitch'. Build Knowledge. 1. Have students explore the following sites to learn more about percussion instruments: ArtsAlive.ca Music: Instrument Lab: Percussion: Percussion: here, students can learn more about string instruments and play clips
Comments. Submit. French drains should be dug to a depth of 8 to 12 inches, for a 4-inch pipe, with a minimum of 2 inches of gravel on all sides.omments. Submit. French drains should be dug to a depth of 8 to 12 inches, for a 4-inch pipe, with a minimum of 2 inches of gravel on all sides.
Backfill gravel for a French drain should be washed three-quarter-inch up to one-and-one-half-inch crushed rock. The cross-sectional area of rock will be the area of the trench less the area of the upper 12 inches which should be backfilled with native soil.