CONVERSION OF OBSOLETE BER OCBs TO VCBs AT SUB STATION AND IMPROVE DISTRIBUTION TO ELECTRICAL LOAD AT SUBROTO PARK AT AF STATION PALAM

Amount

M&L for taking out existing OCB's/VCB's panels from Sub station SMQ HQ WAC & Canara bank of capacity 11 KV and depositing U/S to E/M yard and serviceable to the required location within station for refixing using suitable T&P and vehicle without damaging the panels including removing HT cable connection, earthing strips etc and making good the disturb surface of the sub station complete all as specified and directed by Engineer in-Charge.

Supply, testing , installation and commissioning of 11KV,switch gear cubical type of modular design with partition on frames between panel, floor mounting having the extendable busbars, totally metal enclosed, indoor switchgear with access to the switchgear and cable compartment from rear side and the cable entry from bottom complete with the arc proof cable compartment doors and as incomers 02 Nos, and 05 Nos Vacuum Circuit breaker as outgoings in one common bus bar having IP-65 degree of protection as detailed here in after,battery backup conforming to IS : 13118 of 1991 and IS 3427 of 1997 complete all as specified with and including following items :-

(g) Spring assisted snap action Motorized mechanism. (h) Acr proof cable compartment to receive the XLPE cable. (k) Numerical self powered relay with 3 overcurrent elements, one earth fault element and high set intantaneous triping comprising. (l) Master trip relay -01 No (m) Anti pumping relay - 01 No (n) Hooter - 01 No (o) Emergency trip push button - 01 No (p) Strip heater to prevent absorption of moisture - 01 No (C) INTER LOCKING :- The VCBs shall be interlocked mechanically as well as electrically in such a way that only one incomer panel is ON at any time complete all as specified by Engr-In-Charge. The locking feature specified is in addition to standard safety featutres as per manufacturer design for the HT panels.

Supply, testing , installation and commissioning of 11KV,switch gear cubical type of modular design with partition on frames between panel, floor mounting having the extendable busbars, totally metal enclosed, indoor switchgear with access to the switchgear and cable compartment from rear side and the cable entry from bottom complete with the arc proof cable compartment doors and as one incoming and bus coupler VCB, existing incoming VCB to be interlocked electrically with new bus coupler VCB having IP-65 degree of protection as detailed here in after,battery backup conforming to IS : 13118 of 1991 and IS 3427 of 1997 complete all as specified with and including following items :- (AFCME) (A) INCOMING :- Vaccum circuit breaker consisting of VCB triple pole 800 Amps system breaking capacity 18.4 KA for three second, rupturing capacity 350 MVA,vertical isolation with horizobntal draw out type 11 KV totally enclosed extensible pattern with authomatic drop down and independent spring charging type motor operated closing mechanism including motor suitable for operation on 230 Volt single phase 50 cycle AC shunt trip coil with auxiliary switches, mechanical ON/OFF indicator with protective relays and conforming to IS : 13118 of 1991 and IS 3427 of 1997 complete all as specified by Engr-In-Charge with 02 Nos as incoming and out going in a common bus bar and including following items:- (AFCME) for each panel. (i) Current transformer (CTs) one (set of three ) of ratio 200/100/5+5 Amp having 15 VA burden class 1.0 for metering and class SP 10 for protection with Air insulated CT's chamber (ii) Three phase horizontal draw out 11 KV/110 Volts dry type potential transofrmer (PT) mounting in drawable housing connected to bus bar of class "B" accuracy one burden 200 VA class 1 per phase complete with current limiting resistor and HT and LT HRC fuse or slide lock fuse-01 set (iii) High torque, low burden ( not less than 3 VA) and low over shoot triple non directional relay electronic type suitable for 5 Amps current rating and having two over current and one earth fault elements with over current ranges of 50 to 200% in steps of 10% and earth fault range of 5 to 80% in steps of 5% with time multiplier setting 0.1 to 1.0 in steps of 0.01 )(separate for over current & earth fault ) and time setting of 3 seconds corresponding to 10 times of current setting and accuracy class of ± 5% conforming to IS: 3231 of 1965 suitable for auxilary supply of 110 Volt AC and housed on hrozontal draw out type flush paattern case self powdered with protection accessories duly connected with trip and alam system -01 Set

Supply, testing , installation and commissioning of 11KV,switch gear cubical type of modular design with partition on frames between panel, floor mounting having the extendable busbars, totally metal enclosed, indoor switchgear with access to the switchgear and cable compartment from rear side and the cable entry from bottom complete with the arc proof cable compartment doors and as incomers and out going 01 No, and cable connection box on either side with extended bus bar for connecting outgoing cable in one common bus bar having IP-65 degree of protection as detailed here in after,battery backup conforming to IS : 13118 of 1991 and IS 3427 of 1997 complete all as specified with and including following items :- (Canera Bank) (A) INCOMING :- Vaccum circuit breaker consisting of VCB triple pole 800 Amps system breaking capacity 18.4 KA for three second, rupturing capacity 350 MVA,vertical isolation with horizobntal draw out type 11 KV totally enclosed extensible pattern with authomatic drop down and independent spring charging type motor operated closing mechanism including motor suitable for operation on 230 Volt single phase 50 cycle AC shunt trip coil with auxiliary switches, mechanical ON/OFF indicator with protective relays and conforming to IS : 13118 of 1991 and IS 3427 of 1997 complete all as specified by Engr-In-Charge with 01 Nos as incoming and out going and including following items:- (Canera Bank) (i) Current transformer (CTs) one (set of three ) of ratio 50/25/5+5 Amp having 15 VA burden class 1.0 for metering and class SP 10 for protection with Air insulated CT's chamber (ii) Three phase horizontal draw out 11 KV/110 Volts dry type potential transofrmer (PT) mounting in drawable housing connected to bus bar of class "B" accuracy one burden 200 VA class 1 per phase complete with current limiting resistor and HT and LT HRC fuse or slide lock fuse-01 set (iii) High torque, low burden ( not less than 3 VA) and low over shoot triple non directional relay electronic type suitable for 5 Amps current rating and having two over current and one earth fault elements with over current ranges of 50 to 200% in steps of 10% and earth fault range of 5 to 80% in steps of 5% with time multiplier setting 0.1 to 1.0 in steps of 0.01 )(separate for over current & earth fault ) and time setting of 3 seconds corresponding to 10 times of current setting and accuracy class of ± 5% conforming to IS: 3231 of 1965 suitable for auxilary supply of 110 Volt AC and housed on hrozontal draw out type flush paattern case self powdered with protection accessories duly connected with trip and alam system -01 Set

Taking down existing LT cable from pole to various buildings as service connection of size 10 Sqmm 2 core and keep in safe custody for Sch of credit including making good the disterbed surface of road/path/hard standing etc using suitable materials complete all as specified and directed by Engineer in-Charge.

Taking down existing LT cable from pole to various buildings as service connection of size 16 Sqmm 4 core and keep in safe custody for Sch of credit including making good the disturbed surface of road/path/hard standing etc using suitable materials complete all as specified and directed by Engineer in-Charge.

Taking down existing LT cable from pole to various buildings as service connection of size 25 Sqmm 4/3.5 core and keep in safe custody for Sch of credit including making good the disturbed surface of road/path/hard standing etc using suitable materials complete all as specified and directed by Engineer in-Charge.

Taking down existing LT cable from pole to various buildings as service connection of size 50 Sqmm 3.5 core and keep in safe custody for Sch of credit including making good the disturbed surface of road/path/hard standing etc using suitable materials complete all as specified and directed by Engineer in-Charge.

Taking down existing GI pipe for support of LT cable from poles and various buildings as service connection of size 50 mm and keep in safe custody for Sch of credit including making good the disterbed surface of road/path/hard standing etc using suitable materials complete all as specified and directed by Engineer in-Charge.

Taking down existing GI pipe for support of LT cable from poles and various buildings as service connection of size 80 mm and keep in safe custody for Sch of credit including making good the disterbed surface of road/path/hard standing etc using suitable materials complete all as specified and directed by Engineer in-Charge.

(d) Street light switch 3 phase, 415 volts, 40 Amps relay comprising of the following :- (i) Microprocessor based astronomical type timer switch suitable for auto operational on pre set logitude and latitude of the station -01 No (ii) Contactor 415 Volts, 40 Amps, 3 phase having operational coil 230 Volts -01 No (iii) MCB TPN 40 Amps, 3 phase having repturing capacity 10 KA - 01 No. (iv) MCB SP 2.0 Amps, 10 KA rating, 230 Volts for protection of timer and contactor coil -02 Nos (v) Toggle switch 2 way for auto & manual operation - 01 No (vi) Terminal block for tapping input & output cables - 02 Nos. All accessories pre-wired with suitable size PVC insulated copper conductor cables for control wiring and PVC insulated copper strips of appropriate size for power circuits as per standard engineering practice and required at site and suitable foundation for panel as per manufacturer recommendation. (Near Children Park LT panel No 1)

Material and labour for XLPE insulated , screened PVC bedded , galvanized strip , armoured , electric power cable , heavy duty , with aluminium conductor 11 KV (E) grade , cross sectional area 95 Sqmm, 3 core confirming to IS-7098 ( Part II ) ( amended upto date ) including supplying , jointing and testing , complete all as specified and as directed. Note: Excavation & earth work, cable protection and sand cushioning shall be measured & paid separately under appropriate item of this Schedule.

Material and labour for cable jointing kit for 11 KV grade cable for indoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and as directed by Engineer-in-charge

Material and labour for cable jointing kit for 11 KV grade cable for straight through heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and as directed by Engineer-in-charge

M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below ground level, earth plate surrounded by 15cm thick and packed layer of charcoal dust and common salt all around the earth plate upto 15cm on each side, connected to galvanised iron earh strip 32x6mm thick fixed by means of bolts, nuts and washers of galvanised iron or steel and other end of connected to earthing test point and protected by galvanised iron pipe light grade 40mm dia upto test point and watering pipe 20mm dia GI medium grade with funel and wire mesh including earthwork, PCC chamber in PCC (1:3:6) type C-2 using 20 mm stone aggregate, cast iron cover, wire mesh etc all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009 complete and all as specified and direcrted by Engr-in-charge.

Dismantling of unserviceable worn out/weathered/damaged ACSR conductor, service feeder of any size from pole after disconnecting of jumpers and insulator bindings complete all as specified and directed.

Dismantling of unserviceable worn out/weathered/damaged earth wire of any size from pole after disconnecting of bindings complete all as specified and directed.

Taking down Pin/shackle type insulator from existing LT poles and keeping in save custody for taking of schedule of credit complete all as specified and as directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete and setting aside for re-use with in 50 mtr or removing from site.

Disconnectind electrically, dismantling and taking down existing street light fitting with mounting bkt carefully, seggregating serviceable and unserviceable, kepping serviceable in safe custody for reuse in same area and removing u/s from site complete all as specified and as directed by Engineer-in-Charge.

Dismantling of stay assembly complete including all accessories i.e bow assembly,loop insulator, foundation plate and GI wire complete all as specied.

Taking down existing U/S PCC poles from SMQ WAC area and removing from site complete all as specified and as directed by Engineer-in-Charge.

Supplying, laying, jointing and testing of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor conforming to IS- 1554 laid in trenches/ducts/along poles/ through pipes complete of following cross sectional area, complete all as specified and directed. Note: Excavation & earth work, cable protection and sand cushioning shall be measured & paid separately under appropriate item of this Schedule.

10 Sqmm 2 core.

10 Sqmm 4 core.

16 Sqmm 4 core.

25 Sqmm 4 core.

50 Sqmm 3.5 core.

400 Sqmm 3.5 core.

Supply and fixing FRP weather proof cable junction boxes of size 300x200x105 mm including aluminium bus bar of capacity 63 amps 04 Nos with 02 Nos MS clamps of flat 40x6mm suitable size complete with nuts and bolts making connection with cable and including MCB SP 06 amps for protection of light, thimbles at suitable size complete all as specified and as directed by Engineer-in-charge.

Supply and fix Prestressed concrete pole, 9.0 metres long, 102mm x 172mm at top and l2mm x 279mm at bottom,class 10 complete with all acessories. (Note : Earth work and PCC will be measured and paid seperately under relivent items)

Supply and fix of energy saving and enviornmental friendly long life versatile pressure die cast aluminium IP 65 roadway luminaire with high power 70 watt LED , 6000K , with electronic driver, general spread, all accessories pre-wired, mounting bkt made of 50m dia medium grade GI tubing 1.2 mtr long bend to shape as required and electric connection using PVC insulated and sheathed 1100 volts grade cable with copper conductor of size 2.5 sqmm in and including ERW medium grade conduit complete complete all as specified.

Fixing only any wattage upto 70 watt LED with mounting bkt including connecting electrically using PVC insulated and sheathed 1100 volts grade cable with copper conductor of size 2.5 sqmm in and including ERW medium grade conduit complete complete all as specified and directed. Note:- i) Street lights with bkt retrieved against srl item 25 here in before will be used.

M&L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as required at site or directed.

Fixing only Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as required at site or directed. (Structural steel retrieved against srl Item 24 here in before will be used.)

M&L for praparation of single sided display board of size 2mtrX1mtr for layout of electrical diagram of LT distribution system WAC SMQ Offrs Md Accn as provided by Engineer-in-charge madeout of white 3 mm thick PVC sheet of size fixed in enclosure made of GI angle frame of size 25x5 mm and GI sheet 2 mm thick to cover the frame and duly written with coloured flourscence letters and pictures including fixing of 2 Nos LED tube light fitting 20 watts connecting to supply to the frame complete all as specified and directed by Engineer-in-Charge.

M&L for praparation of single sided display board of size 2mtrX1mtr for layout of electrical diagram of HT distribution system WAC SMQ Offrs Md Accn as provided by Engineer-in-charge madeout of white 3 mm thick PVC sheet of size fixed in enclosure made of GI angle frame of size 25x5 mm and GI sheet 2 mm thick to cover the frame and duly written with coloured flourscence letters and pictures including fixing of 2 Nos LED tube light fitting 20 watts connecting to supply to the frame complete all as specified and directed by Engineer-in-Charge.

M&L for fabrication of protection gate for cattles for Sub station indoor & outdoor or any other electrical installation etc as required fabricated from cross arms, bracings, supports,clamps structural steel section including nuts, bolts, washers, welding,bending, cold or hot, drilling holes for bolts in any shape or size and including of one coat of primer and one under coat and one finishing coat of paint complete all as specified and as directed by Engr in charge.

M&L for Boring of holes under road, pavement, hard standing at required depth up to 1.5 mtr by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and as directed.

Excavating in trenches in hard / dense soil not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation, laying of cable etc not exc 10 Sq mtr on plan and not exc 1.5 mtr in depth and getting out complete all as specified and directed.

Excavating in trenches in hard / dense soil not exceeding 1.5 m wide and exceeding 1.5m but not exceeding 3.0m in depth for foundation, laying of cable etc not exc 10 Sq mtr on plan and not exc 1.5 mtr in depth and getting out complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in hard/dense soil complete all as specified and as directed.

Removing excavated surplus soil to a distance upto 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

M&L for sand cushioning by using fine sand (Jamuna dry and clean sand ) in two layers , first layer of 80mm thick before laying of cable and second layer of 150mm thick after laying of cable (total punned depth of sand shall be 180 mm after punning down) complete all as specified and as directed. Note: Punned thickness shall be measured.

Supply and laying un-reinforced precast concrete cable cover class HV type-I flat size 300mmx180mmx40mm complete all as specified and as directed.

Supply & Laying GI pipe light grade 100mm bore for cable protection with all fittings for passing the under ground cable under road crossing or along poles walls and floors, complete all as specified and as directed.

Supply & Laying GI pipe light grade 80mm bore for cable protection with all fittings for passing the under ground cable under road crossing or along poles walls and floors, complete all as specified and as directed.

Supply & Laying GI pipe light grade 50mm bore for cable protection with all fittings for passing the under ground cable under road crossing or along poles walls and floors, complete all as specified and as directed.

Laying GI tube light grade retrieved against srl item as in cable protection pipe including all fittings complete of the size 50mm/80mm bore, complete all as specified and as directed.

Supply and laying well burnt sub class ‘B’ bricks old size as mechanical protection to under ground cables laying across the cable copmlete all as directed by engineer-in-charge.

M&L for PCC 1:3:6 type C1 using 20 mm graded stone aggregate as in platform, filling and mass concrete,copping to pole for embedding stay road all as specified, including necessary form work a all as specified.

M&L for PCC 1:4:8, type D-2 using 40mm graded stone aggregate as in foundation, filling and mass concrete for poles, complete all as specified & directed.

Disconnectind electrically, dismantling and taking out existing MCCB any rating upto 200 amps, depositing to MES store yard complete all as specified and as directed by Engineer-in-Charge.

Supply and fix MCCB 315 Amps, 4 pole, 36 KA adjustable type thermal over load and short circuit protection in existing panel complete with all accessories including fixing arrangement complete all as specified and as directed by Engineer-in-Charge.

M&L for disconnecting electrically, dismantling from foundation and shifting to Sub Stn 'A' from Command Qtr Sub Stn, HT VCB -02 Nos with due care. Re-installation, connecting electrically, commissioning & testing complete all as required at site or directed. The control wiring shall be extended from existing VCBs installed in Sub Stn 'A'. Note :- Minor repairs required to make the panels fully serviceable and calliberation & setting of relays according to load shall be carried out to the satisfaction of GE/ Engineer-in-Charge without any extra cost.

S&F cable route marker of HT made out of cast iron in elliptical shape with embossed HT cable 11000 V on cable route indicator including standing stamp with fixing arrangement into ground with necessary PCC block work of required size complete all as specified.

MV Engineers And Contractors

Ridhi engineers and builders

R D Bansal

mayur enterprises

Leo Air and Power Solution pvt Ltd.