- Relocating head, adding heads and replacing nozzles to improve coverage and reduce overspray. Work performed: Zone 1, replaced one 4” head with 6” head, replaced six nozzles and added one 6” head Zone 4, replaced-reloaded two 4” heads with two 6” heads and replaced one spray nozzle Zone 5, replaced four spray nozzles ** Please see attached forms for system and controller details ** - My card is also attached, so feel free to contact me for any questions or concerns