SECTION 15815 - METAL DUCTS

2.7 round and flat-oval duct fabrication 8. 2.8 round and flat-oval supply and exhaust fitting fabrication 8. part 3 - execution 9. 3.1 duct installation, general 9. 3.2 pvc-coated duct installation 10. 3.3 underslab duct installations 11. 3.4 grease hood exhaust duct installations 11. 3.5 dishwasher exhaust duct … ................
................