Additions & Improvements
to GMRT
& NCRA Electrical & Civil system
For 2010-2011
R V Swami
Group-Coordinator
GMRT/NCRA
Review of last year
2009-10
Power Line RFI Mitigation.
For Improvement of MSB transformer centres ( 31
locations) around Central Square are surveyed jointly
by MSEB & GMRT , report is submitted to EE Manchar
Agreed for replacement of items as detailed below.
DO Sets : 13 sets (GMRT)
HT Pin & Disc Insulators : 12 no.s ( MSEB)
HT /LT Bushings Improvement: 15 no.s(MSEB)
LT Distribution Box replacement : 16 no.s
(MSEB/GMRT)
Xmer Center grounding system : 5 locations.(GMRT)
Power Line RFI Mitigation.
25 Sq .mm Copper multi-strand cable was
removed from live 400KV Line
with help of TRANSCOM OFFICIALS (10th
Feb 10)
FEEDERWISE POWER SHUTDOWN
/TRIPPING IN TOTAL HOURS for last
one year
Name of Feeder
No. of
interruption
33kv Incoming feeder- 83
11KV East Feeder
Period in hrs.
18hrs 54 min
- 48
38 hrs 39 min
11KV West Feeder - 42
43hrs 52 min
11KV South Feeder - 55
101 hrs14 min
11KV Indoor VCB
Panel of 33KV GMRT Substation
Routine checks and Preventive maintenance were done. MSEB
testing Executive engineer & his team are happy with
performance & upkeep of 11KV VCB Panels.
Special thanks to Electrical team
for following Achievements
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400 KV line hanging copper wire removal
On 23rd Feb 2010 at 17.40 hrs 33KV
substation Breakdown maintenance attended
in minimum time with help of MSEB testing
engineer & our staff who worked
continuously 8 – 10 hours & released system
at 3:30 hrs early morning of 24th Feb 2010.
On 12th March 33KV line breakdown at
17:40 hrs located fault at 22:00 hours and
restored the power at 23:45hrs same day.
Electrical Works completed
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Generator Synchronizing Panel , 2 times
enquiry was floated . It is in process of
finalizing the vender
- 15 lacs
Engine electronic governor procurement is in
process.
- 6.5 lacs
Servo Lab (Jog )shed
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Copper mesh Shielding, Steel support
structure fabrication for copper mesh
shielding & false ceiling, Power supply
through AC line filters. work is completed.
Total amount spent for above work : 8 lacs
Pending is Power Cable, OF cable laying &
Air conditioner installation. Lean roof & W/C
room
Estimated Amount : 6 lacs
Completed GMRT Civil Works in
last year 2009-10
Visitor center Architect is finalised
 Centre Sq. Fencing strengthening work
phase –II completed
- 18 lacs
 Lab Building painting
- 2.3 lacs
 Toilet block for canteen
- 16.4 lacs
& Lean Roof (F E Lab)
Antenna Tower painting (pending ) - 10 lacs
Balcony grill for New type III C & IV - 1.5lacs
Quarters

Achievements
NCRA
• 15 meter Dish AC unit installation work completed - 1.0 lacs
• East Campus building repainting completed
– 1.5 lacs
• WBM Approach Road to Pune University through Parks and
Garden is in progress
- 4 lacs
• Modification of Kitchen platform for Type III, IV, V quarters
work in=s in progress.
- 6.6 lacs
• Area mapping and preparation of Building drawings - 7.2 lacs
NCRA Campus
• 3TR Cassette type A C unit is procured
-1.0 lacs
& installed in NCRA Server room as a stand by unit.
In East campus UPS mains Power Cable fault located, Straight through joint
made by our electrical team & power restored for UPS room .
Additions & Improvements
to GMRT
Electrical & Civil system
For 2010-11
R V Swami
Group-Coordinator
GMRT/NCRA
Visitor Centre & Auditorium
Building at GMRT Observatory
Proposal for New building on North – East
side of Canteen.
It will be multipurpose building, primarily
for
visitor Centre & auditorium and also have
office & lab space .
Entire Building will be Shielded, air
conditioned,
More inputs & Ideas are invited from selected
Architects
Estimated Cost – 150 Lkhs

Proposed Civil works
Centre Sq. Fencing strengthening - 20 lacs
work phase –III
Lab Building common area repainting - 05 lacs
 Approach Roads for Y array
- 07 lacs
Antenna DG rooms
 Antenna Tower painting
- 10 lacs
 OFC cable laying in C Sq.
- 17 lacs
 Bituminous Road phase I ( 2 Km)
- 21 lacs
 Visitor Center Building
- 150 lacs
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Total for proposed Civil works
- 230 lacs
New Electrical Requirement
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1) LED type Aviation lights with time switch6.5 lacs.
2)Replacement of Power D B of antenna shielded
cages with MCCB and MCB's –
5.0 lacs
3) 20KVA, 415 V, 3 phase to 3 phase output.
stabilizers for antenna split ac's
- 21 lacs.
Improvement of Antenna lightning & equipment
grounding system
- 7.0 lacs
Total Estimated amount for new req. 39.5 lacs
3 TR Voltas make Slim Line A C Units
for Antenna Shielded Cage
Remaining Central Square
antennas (5 no.s) - 10 units
Purchasing is in process
- 8.00 lacs .
On Line UPS for antenna base
Sample units of different makes
being tested for RFI
• Planned this year remaining 14 no.s
• Estimated cost – 9 lacs
Power Line RFI Mitigation.
for this years plan
• 11KV Transformer Centres around the Central
Square - 6 lacs
Diesel Gen Sets with AMF Panels
for Y array Antennas
Tested for actual Antenna load at
three different antenna sites with
35KVA DG set .
Required Number
of D G Sets = 10No.s
Estimated Amount = 40 Lakhs
Total for GMRT Electrical
Works
Slim Line A C Units for
8 lacs
Antenna Shielded Cage
 Generator Synchronizing Panel including
electronic governor for engine
21 lacs
 On Line UPS for antenna base
9 lacs
 Power Line RFI Mitigation
6 lacs
 Diesel Gen Sets Y array Antennas 40 lacs
 New requirements of electrical system – 39
lacs
 Total for GMRT Electrical Works
123 lacs
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Total Estimates for GMRT
For Civil works
230 lacs
Total for Electrical Works
 Slim Line A C Units for
8 lacs
Antenna Shielded Cage
 Generator Synchronizing Panel including
electronic governor for engine
21 lacs
 On Line UPS for antenna base
9 lacs
 Power Line RFI Mitigation
6 lacs
 Diesel Gen Sets Y array Antennas 40 lacs
 New requirements of electrical system – 39 lacs
 Total for GMRT Electrical Works
123 lacs
 Total of GMRT Civil & Electrical - 353 lacs
NCRA Civil & Electrical Works
• Refurbishing of Office Building & Guest House
Projected Cost
- 67 lacs
• External wall Repainting of All NCRA
buildings
- 7 lacs
• East Campus gate
- 12 lacs
• Packaged A C units for NCRA Server &
computer room
- 9 lacs
• UPS for New Computer Server Room -6 lacs
• Total estimated cost for NCRA - 101 lacs
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Thanks & Best Wishes for
future plans to Civil & Electrical
team
.
GMRT :
Civil- Shri. K Raja, Shri S D Patil,
Shri. Kambale
Electrical - Shri. B S Patil, Shri. Shri. A A Dewane ,P
S Gaikwad, Shri. G G Thorat, Shri. J L Ghangale,
Shri. H V Kedari, Shri. T M Patil, Shri. Shakthi,
Shri. R B Thorat & Shri. A R Kotwal.
NCRA:
Civil – Shri. Jadhav, Shri. Shelar.
Electrical – Shri. Karekar, Shri. Tonde,
Shri. Mehatre, Shri. Harjinder
THANK YOU