DEVELOPMENT CONSULTANTS PRIVATE LIMITED Reviewedforgeneral conformancewith Contractdrawings and specifications. ACTION :61 Approved 4 Disapproved. 2Approved exceptas noted.Forwardfinal drawing.5Forinformation/reference only. 3Approved exceptas noted. Resubmission required. 6Information category with comments. Resubmissionrequired. Approval ofContract documentsbythe ConsultantshallnotrelievetheSellerofhisresponsibility forany errors and fulfilment of Contract requirements. Digitally signed by Santanu Chakraborty DN: cn=Santanu Chakraborty, o=DCPL, ou=Power Cell-B, email=santanuc@in.dclgroup.com, c=IN Date: 2015.03.24 16:26:01 +05'30'General Comment: 1. Please indicate individual kiosk (i.e Operating mechanism box which is per pole) & common kiosk (common for 3 single phase) terminals properly in the scheme drawing.In BOQ part also indicate location of each component. 2. Terminals which are to be used for Owner's use (Remote close/Trip/Alarm/Indication etc) shall be marked up clearly in the scheme/ wiring diagram for easy access.3. Page reference for all the contacts need to be furnished. 4. Wiring between individual kiosk & common kiosk in BGR's scope. BGR to confirm the same & necessary coordination with sub vendor/s as required shall be done by BGR.5. This scheme drawing shall be generally revised if required as per comments on circuit breaker GA drawing (Rev-0). It should be Remote Trip Circuit-1& Trip Circuit-2Please check & revise drawing no.Pls clarify.It is noted that contact of 63GLX is used in closing circuit of breaker. Hence, please clarify when this gas density switches will operate & reset. Please clarify when this gas density switches will operate & reset. Please mention what indications are provided i.e Breaker On/OFF, Spring Charging indication etc. Please clarify when this switches will operate & reset. BGR to note that as per contract specification Vol. IIF2/S-IX/Cl no. 4.01.14 i), breaker shall be in trip position before locked pressure of SF6 gas occurs. Please ensure the same & indicate in the scheme.Closing of breaker also to be blocked during low SF6 gas pressure.Remote alarm & indication to be provided for following minimum conditions: 1. Gas Pressure low alarm 2. Gas Pressure Trip Lockout 3. Pole Discrepancy Operated 4. Spring Charging Indication 5. Breaker On/Off status Indication 6. DC Supply -1 Fail 7. DC Supply -2 Fail 8. AC supply Fail/ Spring Charge Motor Fail 9. Spring Charge fail Please indicate the same in the scheme drawing mentioning "For Remote Use".Not legible. Please furnish properly with each contact destination details (i.e wherever it is used through out the scheme) . Spare contacts (10NO+10NC) need to be specified clearly.Operation of this switch is not understood. Please clarify how it will operate.Please clarify what is SPR.Please furnish location of each component (i.e whether it is in Operating Mechanism or in Common Marshalling Box.)Not understood. Please furnish clarifications as asked in sheet 2 of scheme drawing in this regard.It might be Spring charge indication. Please check & revise properly.Clarify whether in common marshalling box or individual.Clarify whether in common marshalling box or individual.