SUPPLY AND INSTALLATION of 12 MEGAWATT DC FAST CHARGERS

Description

The Contractor shall supply, construct, test, commission, rectify defects and complete all elements as required for 12 Mega Watt chargers and Power units fitted to pre-installed bases from existing Low voltage private electricity distribution network and complete the Works as described herein.
The works comprise of the detailed design, supply, installation, and commissioning of the following electrical systems:
(a)	Detailed design including supporting studies and design deliverables.
(b)	Connection to packaged substation (to be provided and commissioned by others)
(c)	Auxiliary LV Supply
(d)	Local LV cabling between Substation (by others) and charging stations
(e)	Connections and Protocols
•	WiFi 802.11 b/g/n (2.4/5 GHz)
•	Cellular/GPS LTE-FDD, LTE-TDD, WCDMA, GSM
•	Ethernet RJ45, IEEE 802.3/802.3u
•	OCPP 1.6j/2.0.1
•	Connectivity monitoring solution
(f)	Electrical protections
•	Over/undervoltage
•	Surge protection
•	Short circuit
•	Overload protection
•	Earth leakage current monitoring
•	Device overtemperature
•	Overcurrent (input and output)