COMPLETION OF INCOMPLETE WORK AGAINST CA NO. CWE(AF)/BLY/MEM /05 OF 2023-2024 - PROVN OF POWER POINT FOR AC AND ASSOCIATED WORKS IN CERTAIN SMQS AT AIR FORCE STATION MEMAURA

Supply and fixed in replacement of sheet metal enclosure distribution board, single pole and neutral, AC, 240 volt, 08 way, double door with 200 Amp rated copper bus bar and metal door with IP - 43 & IK 09 protection and flush to wall including all cutting etc in wall and making good to the disturbed surfaces to match the existing complete all as specified & directed.

Supply and fixing MCB SP 6-32 amp rating 240V, 10KA 'C' curve miniature circuit breaker (MCB) of current carrying capacity in the MCB DB complete with connection testing and commissioning, including providing copper lugs and thimble as required on site all as specified and directed.

S & F MCB SPN 240 volts, 'C' curve of rating 32 amps, with rupturing capacity 10 KA, including providing thimble for out going cables complete all as specified and directed.

Taking down old U/S sub main wiring any type and size aluminium/ copper including batten/ conduit and making good disturbed surface to match with existing complete all as specified and directed.

M & L for submain wiring with two single core 1100 V grade FRLSH PVC insulated flexible copper conductor cable of size 6.00 sqmm and one single core PVC insulated FRLSH flexible copper conductor cable green colour of size 6.00 Sqmm as earth lead in & including a separate concealed PVC conduit medium grade, ISI mark of dia not less than 25mm including cutting chases to walls for laying conduit and making good the disturbed wall surfaces to match with adjoining surfaces complete all as specified. NOTE: - TWO SINGLE CORE CABLES ALONG WITH ONE RUN OF EARTH WIRE AND PVC CONDUIT SHALL BE MEASURED AS ONE UNIT LENGTH.

M & L for sub main wiring with two single core 1100Volt grade FRLSH PVC insulated flexible copper conductor cable of size 4.00 sqmm and one single core PVC insulated FRLSH flexible copper conductor cable green colour of size 4.00 Sqmm as earth lead in & including a separate concealed PVC conduit medium grade, ISI mark of dia not less than 25mm including cutting chases to walls for laying conduit and making good the disturbed wall surfaces to match with adjoining surfaces complete , all as specified. NOTE: - TWO SINGLE CORE CABLES ALONG WITH ONE RUN OF EARTH WIRE AND PVC CONDUIT SHALL BE MEASURED AS ONE UNIT LENGTH.

S & F concealed type GI Sheet enclosures for Modular switches / sockets etc. complete with a 20 Amps modular type motor starter (2 Module) with one single pole Modular type 'Ç' curve MCB of capacity 20 Amps (1 Module) & a 20 Amps 3 pin modular socket (2 module) including 20A plug top and electrical connections all as specified and directed.

Dismantling and taking down old serviceable Energy Meters of any type / capacity after necessary disconnection of electrical wires etc. and marking the Quarter No on each meters with permanent marker pen and keeping in safe custody for re-fixing /reconnection in new meter cabinet all as specified and as directed.

M&L for 40mm bore GI tubing light grade with all fittings laid across road or across PCC drains, along electric pole or floor/wall for cable protection complete all as specified and directed.

Taking out old U/S LT U/G cable of size 10/16 Sqmm 2 core all as specified and directed.

Supply ,install,testing & commissioning of outdoor type, wall mounted (with anchor bolts & nuts) compartmentalized type Meter Cabinet of overall dimension 1200mm (W) x 550mm (H) x 200mm (D) made out of 3.15 mm thick CRCA SS Sheet with front door having cutout duly covered with transparent polycarbonate / glass panel for viewing KWh meter / Timer and other door shall be opeque. All doors should have gasket and locking arrangement to meet ingress protection level IP-43.The cabinet shall be painted both internally and externally with powder coated paint (RAL 7032 : SIEMENS GREY) after necessary surface treatment. The cabinet shall be fabricated as per the drawing and comprising of following accessories :- a) Four pole MCCB, 63 Amps with breaking capacity 16 KA having fixed thermal and fixed magnetic release and spreader link at both incoming and outgoing side.- 01 No. b) Aluminium Bus Bar of size 25mm x 3mm duly mounted on FRP / DMC insulators and necessary drilling for 1 incoming & minimum 4 outgoing connections and duly covered with heat shrinkable PVC sleeve of standard colour code - 4 Nos. c) MCB SPN 32 Amps, 10 KA - 4 Nos (To be connected with 4 Nos Meters)

d) LED indicating Lamps, 22mm with 3 Amps SP MCB-03 Nos. e) 3 Way bakellite strip type cable connector 30 Amps rating - 04 Nos f) Internal wiring with 1100V grade FRLSH PVC insulated multiflexible copper wire duly crimped with copper lugs of suitable size & type all as mentioned below :- i) MCCB to Bus Bar - 10.0 Sqmm ii) Bus Bar to Cable Connector via KWh meter and MCB - 6.0 Sqmm iii) Bus Bar to LED Lamp via MCB - 1.5 Sqmm Note : Existing meters, as dismantled under item No 08 above, will have to re-fixed in this new meter cabinet including all necessary electrical connection.

Supply, install, testing and commissioning of LT outdoor type cubical Feeder Pillar of size 1200 x 900 x 600 mm suitable for 3 phase 4 wire 415 Volt, 50 Hz and type tested at CPRI, factory fabricated in an approved factory having modern fabrication process powder coated paint of approved shade and provided with suitable gasket to make it dust /vermin proof including PCC foundation of Panel with 1:3:6 type C2. Panel comprising of the following :- OUTER SHELL : The outer shell shall be made out of 3.15mm thick CRCA Sheet and MS angle section 50x50x6mm frame, factory fabricated with front and back openable double door system lockable / openable by keys from both side having chromium plated 19 mm dia fancy lock, louvers and air vent gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provn for entry of armoured cable of adequate size with glands. The dimension of the shell should be adequate to accommodate inner shell described below including provision of earthing bar & lifting lugs of suitable size at top to lift the panel safely . The degree of protection of outer shell shall be IP-54.connection.

M&L for earthing complete with galvanised steel plate electrode 600mm x 600mm x 6mm thick buried directly in ground (earth pit not less than 2.25 Mts deep below ground level with top edge of the plate not less than 1.50 Mtrs below ground level connected to galvanized iron Wire 4.0 mm dia by means of bolts, nuts check nuts and washers of galvanised iron or steel connected to earthing test point all as specified incl 15 mm GI tubing medium grade and necessary fitting for protection of GI wire incl laying of charcoal dust and common salt in alternate layer, PCC Pit (1:3:6) type C-1 using 20 mm graded stone aggregate, RCC cover 40mm thick (1:2:4) type B-0 using 12.5mm graded stone aggregate reinforced with 6 mm dia round bar @ 75mm C/C both ways with MS handle 8mm dia, plastering 15mm thick CM (1:6) externally upto 150mm below ground level , GI funnel with 20mm dia medium grade GI pipe for watering and wire mesh incl excavation and earth work and disposal of surplus soil complete all as specified and shown on electrical plate No 3 of SSR Part (2009) and connected to earth test point incl testing and marking Bldg Nos and writing Test Results on a 3.0mm thick painted M.S. earth pit marking Plate (200mm x 100mm) duly welded with a 450mm long 10mm dia round M.S. rod, fixed with the earth pit chamber by grouting complete including taking out old unserviceable earthing system including demolishing with old earth pit chambers and removing of debris from the site with levelling the ground all as specified an directed.

M & L for Earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6.0 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the GI strip 25 x 4mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 40 mm incl provision of concrete pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregated with 40 mm thick cover with RCC (1:2:4) reinforced with XPM (weight not less than 4 Kg / Sqm) and frame of angle iron 25mm X 25 mm X 3mm with lugs 2 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

DEFECTIVE WORKS DETAILS

Testing & installation/Connection of all LT XLPE Cables to Panels/Meter boxes of following size of cable as part of leftover works under CA NO. CWE(AF)/BLY/MEM /05 OF 2023-2024 by the contractor. Complete all as specified and directed:- (a). Cable of Size 150 Sqmm 3.5core(04 Each connections /Joints) (b). Cable of Size 120 Sqmm 3.5core(02 Each connections /Joints) (c). Cable of Size 16 Sqmm 4 core(42 Each connections /Joints)

Testing & installation/Connection of all Submain wiring with DBs /AC points for following size of cable as part of leftover works under CA NO. CWE(AF)/BLY/MEM /05 OF 2023-2024 by the contractor complete all as specified and directed:- (a). Submain wiring of Size 6 Sqmm (66 Each connections /Joints) (b).Submain wiring of Size 4 Sqmm (02 Each connections /Joints)

Testing & installation/Connection of 36 Nos earthings with Meter Boxes including GI protection pipe for earth lead 6 RM/Each earthing, GI funnel & wire mesh as part of leftover works under CA NO. CWE(AF)/BLY/MEM /05 OF 2023-2024 by the contractor complete all as specified

M&L for earthing pit of precast chamber PCC pit 1:3:6 type C1 using 20mm graded stone aggregated onn PCC based 1:4:8 type using 40mm aggregate of size 450x 450x 75 mm thick 250mm height as part of leftover works under CA NO. CWE(AF)/BLY/MEM /05 OF 2023-2024 by the contractor complete all as specified

M&L for precast RCC cover slab over earth pit of size 450x450x40 mm including reinforcement (6 mm dia bar both way @ 75 mm c/c) etc, including 8 mm dia round handle as part of leftover works under CA NO. CWE(AF)/BLY/MEM /05 OF 2023-2024 by the contractor complete all as specified