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.
The usual recommended slope of the perforated pipe for a French drain system is one inch drop per ten feet horizontal run. Any specified depth of the perforated pipe is subject the need for a continuous downward gradient to the point of discharge.