- AC Package: -
Packaged AC Selection – Working + 1Sandby Units
Selection for rating of units based on Heat load calculation of Area.
Office area cover with Standalone Hi-wall split AC. - UPS System –
UPS selection on 1hours battery back-up with redundant system for WHRS.
2X25KVA UPS redundant system with SCVS for bypass mode operation (in
case of requirement)
Selection of requirement basis on the application like for DCS, Switch boards,
or as per vendor load list.
2 Set of batteries considered for the system to get adequate back-up time in
power failure mode. - DC System –
DC system selected on basis of 1 hour’s batter back-up –redundant system
DC load calculation reference taken from vendor load list as per no. of DC
drives.
Requirement of DC system in switchboard (if applicable)
2 set of batteries considered for this system - Lighting system –
LED lights is being considered due to less power consumption & reliability of
lights.
Quantity of lights as per lux level requirement of area.
Lights system to be design & BOM is extracted on basis of details engineering - Cables: -
Selection of cables based on the load
Distance between source station to load point
Voltage drop consideration for cable size selection
Different types of cable like HT, LT, Control & Instrumentation as per application
Mostly consider Aluminum conductor with XLPE Insulation grade for LT cable.
Cost optimization - Earthing System: -
Conventional earthing system with GI earth flat.
IS reference – IS 3043
Number of earth pit to be calculated on the basis of ground earth report &
details engineering - Net metering System: -
Selection is based on local government statutory compliance.
project pridr
(Project Pridr)
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