PROVN OF RMU AND OTHER ALLIED WORKS UNDER GE(AF) BAMRAULI

Excavation in trenches , not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation etc and getting out in soft/loose soil complete all as specified and as directed.

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

Removing excavated soil to a distance not exceeding 50 m 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 natural river sand as cushioning of cables including spreading and punning down complete all as specified and as directed. Note : Punned thickness shall be measured for payment purpose

Supply , laying, jointing and testing in replacement of underground HT cable XLPE insulated ,screened PVC bedded , galvanised steel strip or wire armoured electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 95 Sqmm 3 Core laid in trenches/ducts/along poles/ through pipe under road etc complete all as specified and as directed.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold 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.

Supply and laying un-reinforced precast concrete cable cover class HVP type 2 with peak size 450 mm x 180 mm x 40 mm complete all as specified and as directed.

M&L 80 mm bore galvanised iron pipe, light grade with all fittings, laid in trenches,under roads, drain paths, fixed to poles/walls with mild steel clamps, bolts, nuts and washers complete all as specified and as directed.

Supply and laying sub class 'B' bricks old size designation 75 as in cable protection complete all as specified and directed.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine of dia 150mm complete all as specified and as directed.

Supply , installations , testing & commissioning of 11 KV of rating 630 Amp RMU unit outdoor type (IP-54) protection duly painted(Paint shade in painted Alu Zn/RAL 7032 on sheet steel for door and covers), VCB type I RMU( RING Main unit) three way comprising of two numbers insulated load break switch as outgoing and one number Vacuum Circuit Breaker as incoming inside . RMU should be provided with Copper Bus bar , one number fault passage indicator with each incoming and outgoing mechanism for interlocking arrangements for powered relay complete with all accessories as under.(a) RMU type installation Outdoor Extensible type, arc proof as per IEC : 62271-200 for design Manufacturing and testing . The RMU must have the following features/specification:- INCOMER :- VCB should have following specification :- (i) Rated Voltage upto -12KV (ii) Rated power frequency withstand voltage -28KV (iii) Rated lighting impulse withstand voltage –should be minimum 125KVP (iv) Rate d current for ring main feeder -630A (v) Rated current for VCB feeder -630A (vi) Rated short-time current-21 KA/3 Sec (vii) Rate Short making current -50KA (viii) Ambient temperature (-1 degree Celsius to +45degree Celsius), (ix) Degree of protection against accidental contact and ingress of foreign objects must be assured as under:- (aa) Main electric circuits : IP-67 (ab) Fuse compartment IP3X (ac) Operating mechanism –IPXC , (ad) Cable connection compartment-IPXC with site replaceable cable bushing .

OUTGOING :-(i) Each load break Switches includes the following:- (a) three position switches with position ON-OFF -EARTH (b) Manual operated spring mechanism ON-OFF-EARTH (c) Mechanical indicators for position ON-OFF-EARTH (d) Mimic diagram at the front facia of RMU, (e) Capacitive Voltage indicator, (f) Padlocking facility. (g) Fault passage indicator for Earth Fault (ii) Right angled Cable boots -3x sets Make of RMU: ABB/SCHNEIDER/SIEMENS as approved Note :- (i) Any other spares/material required for protection of transformer/VCB may be included as per design parameters. (ii) The quoted rate shall be demmed to include cost of PCC foundation and PCC plateform of suitable size 100 mm thick PCC 1:2:4 type B1using 20 mm graded stone aggregate over 100 mm thick stone hard core of guage not exceeding 63 mm complete. (iii) RMU shall be tested in manufacturer's workshop by the rep of Accepting officer before dispatch.

Supply , installations , testing & commissioning of 11 KV of rating 630 Amp RMU unit outdoor type (IP-54) protection duly painted(Paint shade in painted Alu Zn/RAL 7032 on sheet steel for door and covers), VCB type I RMU( RING Main unit) Four way comprising of three numbers insulated load break switch as outgoing and one number Vacuum Circuit Breaker as incoming inside . RMU should be provided with Copper Bus bar , one number fault passage indicator with each incoming and outgoing mechanism for interlocking arrangements for powered relay complete with all accessories as under.(a) RMU type installation Outdoor Extensible type, arc proof as per IEC : 62271-200 for design Manufacturing and testing . The RMU must have the following features/specification:- INCOMER :- VCB should have following specification :- (i) Rated Voltage upto -12KV (ii) Rated power frequency withstand voltage -28KV (iii) Rated lighting impulse withstand voltage –should be minimum 125KVP (iv) Rate d current for ring main feeder -630A (v) Rated current for VCB feeder -630A (vi) Rated short-time current-21 KA/3 Sec (vii) Rate Short making current -50KA (viii) Ambient temperature (-1 degree Celsius to +45degree Celsius), (ix) Degree of protection against accidental contact and ingress of foreign objects must be assured as under:- (aa) Main electric circuits : IP-67 (ab) Fuse compartment IP3X (ac) Operating mechanism –IPXC , (ad) Cable connection compartment-IPXC with site replaceable cable bushing .

OUTGOING :-(i) Each load break Switches includes the following:- (a) three position switches with position ON-OFF -EARTH (b) Manual operated spring mechanism ON-OFF-EARTH (c) Mechanical indicators for position ON-OFF-EARTH (d) Mimic diagram at the front facia of RMU, (e) Capacitive Voltage indicator, (f) Padlocking facility. (g) Fault passage indicator for Earth Fault (ii) Right angled Cable boots -3x sets Make of RMU: ABB/SCHNEIDER/SIEMENS as approved Note :- (i) Any other spares/material required for protection of transformer/VCB may be included as per design parameters. (ii) The quoted rate shall be demmed to include cost of PCC foundation and PCC plateform of suitable size 100 mm thick PCC 1:2:4 type B1using 20 mm graded stone aggregate over 100 mm thick stone hard core of guage not exceeding 63 mm complete. (iii) RMU shall be tested in manufacturer's workshop by the rep of Accepting officer before dispatch.

The VCB shall have the standard of IEC 62271-100, 800Amps, 11 KV, 50Hz with short circuit current rating 25 KA for 3 secs. The breaking capacity of VCB shall design for 25 KA and making capacity of 62.5 KA peak with maximum temperature rise over ambient shall be within limits as per IEC 2271-100. The contact resistance of main pole<60 micro-ohms, dry-1minute power frequency with stand between line terminal and ground object-28KV rms, between terminals with breaker contact open 25kv rms 1.2/50 micro second full wave impulse between line terminals and grounded object. The spring charging motor shall have 230V AC and charging time required for motor 15 sec (Max). The ground clearance of VCB shall be as per manufacturers GA drawing. The panel shall be designed for floor mounting, free standing, simplex type control and realy panel in sheet enclosure with powder coated paint after suitable pretreatment with IP4X protection. The panel shall be fabricated from 2mm MS sheet for side/top/Rear and with 3.15mm for front/Gland plate paint shade exterior shade 631 of IS-5. Panel size shall not be less than 750mm(width)x600mm(Depth)x220mm (including 100mm base channel). the CT and PT shall be designed suitable for connecting of 500KVA transformer

Note :- (i) Any other spares/material required for protection of transformer/VCB may be included as per design parameters. Make of VCB: ABB/SCHNEIDER/SIEMENS or as specified in particular specification. (ii) The quoted rate shall be demmed to include cost of PCC foundation and PCC plateform of suitable size 100 mm thick PCC 1:2:4 type B1 (20 mm graded stone aggregate) over 100 mm thick hard core complete. (iii) VCB has consist of Online UPS of Cap-1.5kVA with maintenance free battery of 02X200AH maintenance free battery for availbility of supply to VCB relay and PLC. (iv) VCB has configure with existing VCB through bus coupler alongwith suitable PLC system for smooth function of existing system and rates are inclusive of bus coupler and PLC system (v) All VCB must be equipped with 5NO+5NC auxilary contacts mechanically operated with VCB for remote interlocking and operations.

Installation , testing and commissioning of 11 KV/800 Amps Vaccum circuit Breaker (VCB) incomer in MAFI PS-1 & PS-2 including programming of relays as supplied under item No 13 as per OEM recommendation in milli secondcomplete all as specified and as directed.

Supply , installations , testing and commissioning of 11 KV of rating 630 Amp RMU unit outdoor type (IP-54) protection duly painted(Paint shade in painted Alu Zn/RAL 7032 on sheet steel for door and covers), VCB type I RMU( RING Main unit) Four way comprising of two numbers insulated load break switch as outgoing and two number Vacuum Circuit Breaker as incoming inside . RMU should be provided with Copper Bus bar , one number fault passage indicator with each incoming and outgoing mechanism for interlocking arrangements for powered relay complete with all accessories as under.(a) RMU type installation Outdoor Extensible type, arc proof as per IEC : 62271-200 for design Manufacturing and testing . The RMU must have the following features/specification:- INCOMER :- VCB should have following specification :- (i) Rated Voltage upto -12KV (ii) Rated power frequency withstand voltage -28KV(iii) Rated lighting impulse withstand voltage –should be minimum 125KVP (iv) Rate d current for ring main feeder -630A (v) Rated current for VCB feeder -630A (vi) Rated short-time current-21 KA/3 Sec(vii) Rate Short making current -50KA (viii) Ambient temperature (-1 degree Celsius to +45degree Celsius), (ix) Degree of protection against accidental contact and ingress of foreign objects must be assured as under:- (aa) Main electric circuits : IP-67(ab) Fuse compartment IP3X (ac) Operating mechanism –IPXC ,(ad) Cable connection compartment-IPXC with site replaceable cable bushing . (xi) Each vacuum circuit Breaker includes :

OUTGOING :-(i) Each load break Switches includes the following:- (a) three position switches with position ON-OFF -EARTH (b) Manual operated spring mechanism ON-OFF-EARTH (c) Mechanical indicators for position ON-OFF-EARTH (d) Mimic diagram at the front facia of RMU, (e) Capacitive Voltage indicator, (f) Padlocking facility. (g) Fault passage indicator for Earth Fault (ii) Right angled Cable boots -3x sets Make of RMU: ABB/SCHNEIDER/SIEMENS as approved Note :- (i) Any other spares/material required for protection of transformer/VCB may be included as per design parameters. (ii) The quoted rate shall be demmed to include cost of PCC foundation and PCC plateform of suitable size 100 mm thick PCC 1:2:4 type B1using 20 mm graded stone aggregate over 100 mm thick stone hard core of guage not exceeding 63 mm complete. (iii) RMU shall be tested in manufacturer's workshop by the rep of Accepting officer before dispatch.

Supply, installation, testing and commissioning of transformer suitable for 500 KVA (Level-3) step down floor mounted outdoor type 11/.433 kVA, 3 phase, 50 Hz AC, IS: 1180-2014 latest ammendments ISI marked, double wound core type copper wound, oil immersed, air naturally cooled with external cooling tubes, transformer delta connection on HV side and star connected on LV side in accordance with vector symbol Dyn-11 (vector group 4) with neutral brought out on LV side with for earthing and having tapping on HV side for constant out put so as to alter/vary secondary voltage by (Tapping range + 5 % to - 10% in equal step of 2.5 % ) changed by means of manualy operated " off load" taps changing gear. The voltage regulation shall be as per IS including first fill of transformer oil as per IS-335 and including all fittings/accessories as specified in SSR Part-I and IS-2026. The limit of temprature rise after continuous full load run as specified in IS-2026 shall be suitably adjusted to suite the maximum ambient temprature of 55 degree centigrade as prevalent at Bamrauli.The transformer shall be complete with the following fittings and accessories :-

(a) Oil conservator tank with fillings holes and cap filter type drain valve and oil level gauge (b) Silicagel breather with connecting pipe, first fill of dehydrating agent. (c) Explosion relief mounted on tank with double diaphram and equalizer pipe connected to conservator air tank (pressure release valve) (d) Air release valve plug (e) One cable box on LV side (Secondary) consisting of 04 Nos porcelain bushing with nuts, washers & bushing rods with 01 cable gland suitable for reception of taking out suitable size cable, including gland joint. (f) Explosive vent (g) 01 No 100 mm dial type thermometer vapour pressure type having range 0-120 degree centigrade with max temp indicator and resetting device incl max reading pointer washer etc. (h) Thermometer pocket on tank cover (j) 04 Nos plain solid CI detachable rollers (k) Two nos Earthing terminals marking plate.

(l) Rating plate and terminal marking plate. (m) Extra bushing for neutral outside the cable box brought out on LV side. (n) First filling of oil conforming to IS and tested upto 60 KV dielectric strenght. (o) Lifting lugs (p) Oil drain valve with plug (q) One cable box on HV side (Primary) consisting of 01 cable gland suitable for reception of taking in HT cable including gland joints. (r ) Hand hole of sufficient size to assess interior of tank (s) Dehydrating breather with first filling of Dehydrating agent (t) Two earthing of terminal on tank body to facilitate fixing of 32x6mm GI strip. (u) Rating plate with terminal marking plate (v) Inspection cover. (w) Extra bushing for neutral out side the LV side (x) PCC plateform shall be provided as per drg No CEAF/TD/EM/03, complete all as specified including XPM welded mesh fencing and doors including 75 x 40 mm channel. Note:- (i) Anything missed above but is required for efficient functioning of transformer is deemed to be included in the quoted rate (ii) Full load testing shall be done at site. The artificial load shall be arranged by contractor. This is included in above quoted rate.

Supply, laying , jointing and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sq mm 3.5 core laid in trenches/ducts/along poles/ through pipe under road etc complete all as specified and as directed.

Supply, laying and testing cable XLPE Insulated , PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) 1100 Volts grade with stranded copper conductor of size 185 sq mm ,single core, laid in trenches/ducts/along poles/ through pipe under road etc complete all as specified and as directed.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) 1100 Volts grade with stranded copper conductor of size 50 sq mm ,single core, laid in trenches/ducts/along poles/ through pipe under road etc complete all as specified and as directed.

M&L for earthing complete with copper earth plate electrode 600mm x 600mm x 3.15mm thick buried directly in ground vertically to depth not less than 3.0 metre below normal ground level (with top edge of earth plate not less than 2.25 metre below ground level), connected to copper strip 20mm x 3.15 mm main earthing lead by means of galvanized bolts, nuts and washers with connected to earth test point to main switch board panel etc. all as specified and testing on completion with and including necessary excavation and earth work, in any type of soil, adequate quantity of charcoal dust and common salt, test point, earth pit covered with precast (RCC 1:2:4) type B1 (using 20mm graded stone aggregat) 40 mm thick cover, reinforced with 8mm dia TMT bar 3 Nos. dia both way with 12mm round bar handle. GI medium grade watering pipe 20mm dia with funnel, wire mesh all as shown in electric plate No. 3 of MES SSR Part-I and 40mm dia GI medium grade pipe for earth lead protection complete all as specified and directed including testing on completion

Supply and fixing cable jointing kit for 11 KV grade cable for indoor termination, heat shrink 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.

Supply and fixing cable jointing kit for 11 KV grade cable for out door termination, heat shrink 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.

M&Lcement concrete 1:2:4 type B-1 using 20mm graded stone aggregate in coping of existing/new poles / foundation for poles, struts, posts etc including necessary use and waste of form work as required , surface finished even and fair complete all as specified and directed.

Supply, install, commissioning and testing factory made (including CPRI type test certified manufacturer) LT panel box (KIOSK) out door type platform mounted suitable for 415 volt , 3 phases, 4 wire , 50 Hz AC supply system all as specified and directed having busbar chamber with insulated copper bus bars 1000 amps rating installed on percelain insulators, the panel shall be dust and vermin proof double door made of 3.15 mm CRCA MS sheet outer & inner and individual compartment for MCCB & volt/Amps meter.The complete feeder pillar box should be power coated including connections between main bus bar to outgoing MCCB shall be carried out by copper busbar for 63Amps & above MCCB & below 63 Amps by 16 Sqmm copper cable. Front opening type with for cable entry with double door shutter including locking arrangement as per manufacturers with 2 Keys including grouting of feeder pillar box 60 cm above ground level by providing 90 cm long angle iron size 50x50x6mm welded on all four corner embedded in PCC (1:2:4) using 20mm graded upto 30cm complete all as specified and directed by the Engr-in-Charge (Feeder piller box shall be consisting the following:-

Note: (i) Drawings of LT panel shall be got approved by GE . (ii) Panel stand shall be made out of 50X50X5mm ISA angle of 90cm height and appropriate size as per panel. The same shall be fixed in PCC below ground level 30cm and above ground level 10cm.

Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6 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 galvanised strip 32x6mm as earth lead by means of bolts, check nuts and washers of GI and earth wire protected by provision of GI pipe light grade,40mm bore including provn of concrete pit in PCC 1:2:4 type B-1 using 20mm graded stone aggregates with pit cover made out of cast iron of size 300mmx300 mm , minimum wieght 7.5 Kg as per relevant IS including frame, GI medium grade 20mm bore pipe for watering perforated at bottom 1.75 m long placed on top edge of plate, common salt and charcoal filling, test point made out of phosphorous bronze with fixing arrangement, funnel, wire mesh including excavation and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exeeding 50 m complete all as per electrical plate No 3 of SSR 2009 Part-I and necessary connection and testing on completion.