MINUTES OF THE PRE-BID MEETING HELD ON 09.08.2010for 24 ...

It is mentioned as camera should be operate indarkness till 50 mts but in 13.1.6 it is mentioned as IRshould have range on 25 mts both statements are notmatching.Please clarifyVol.4 Section D Concessionaire needs to access hisown Data StorageMinimum data storage at Check Post = 7 daysPlease change the Minimum storage at check post for3 days. Since the storage will be very huge for 7 dayswhich may not required. At any give point of timethe Check post authorized users can access the data atthe Central Control Center after 3 days.Vol.4 Section D Input Nominal Voltage 220 V AC(+15% to 20%) 3Ph,NLittle confusion in Choice of voltage i.e. 1 Ph or 3 PhThis shall be 220 Vac. (1-phase) & 380 Vac (3phase), nowadays there are UPS available with bothtype of I/p voltage (IN THE SAME UNIT/BOX) sothat UPS can be connected as per the availability ofVoltage at Site/Check Post216 Vol.4 Section D Charger Type SMPS basedThis is very old & obsolete technology & must beasked with latest IGBT basedCharger shall be OSP based IGBT charger/Rectifier.This will help in lower THDi losses & simultaneouslywill require less DG capacity to run it.Section 13 clause13.1.4 is amended and be read as“13.1.4 should be able to operate in total darkness fordistance up to 50 mtrs.”.AgreedSchedule D Part V - Computer , hardware, networkingand software works – Clause 1.4 Minimumspecification for UPS system , the clause is amendedand be read as -1.4 UPS System – of required capacity to run allelectronic equipments and all Computer , hardware,networking equipments for all check posts and both thecentral control facility with minimum 120 min backup ,SNMP based management.Schedule D Part V - Computer , hardware, networkingand software works – Clause 1.4 Minimumspecification for UPS system , the clause is amendedand be read as -1.4 UPS System – of required capacity to run allelectronic equipments and all Computer, hardware,networking equipments for all check posts and both thecentral control facility with minimum 120 min backup,51