1. Use correct 9com as 60000001880
2. The Vendor ID 10035430 provided is for Honey well USA and not for suggested vendor.
3. Ajib Ltd is not an Aramco approved vendor.
4. The subject of the submittal is not clear and may be changed to "DDC panel for Package HVAC unit"
5. Attach HVAC control design and Data for DDC panels. 
6. Suggest the DDC controller model for each building according to the design drawings and number of I/Os.
7. Ensure that DDC controller is provided whereever necessary.
8. Provide enclosure dimensions
9. Provide shop draings showing the selector switch, pilot lamps, and push buttons etc. Provide internal wiring arrangment, showing the transformer and circuit breaker position, wire trunking and relay arrangments
10. Include necessary catalogs for all related electrical and control devices to be used for the DDC.




