PROVISION OF ELECTRIC SUPPLY FOR BUILDING P-209 (GALLEY) AND SPECIAL REPAIRS/ REPLACEMENT OF HT UG CABLE FROM SUBSTATION B TO C AT INS HAMLA

Amount

Excavation in Trenches not exc 1.50 Metre wide and not exc 1.50 Metre depth for laying of UG Cable etc and getting out in Soft/Loose Soil, complete all as specified and as directed.

Excavation in Trenches not exc 1.50 Metre wide and not exc 1.50 Metre depth for laying of UG Cable etc and getting out in Hard/ Dense Soil, complete all as specified and as directed.

Excavation in Trenches not exc 1.50 Metre wide and not exc 1.50 Metre depth for laying of UG Cable etc and getting out insoft/ disintegrated rock, complete all as specified and as directed.

Returning, Filling in including Spreading, Leveling, Watering and Well Ramming in layers not exc. 25 Cm thick in Soils, complete all as specified and as directed.

Removing Surplus excavated Soil to a distance not exc 50.00 Metre away and depositing where directed at a level not exc 1.50 Metre above the Starting Point, complete all as specified and as directed.

Material and labour for cable route marker made of Pre-cast cement concrete block masonry Type C1 1:3:6 (20mm graded aggregrate) with solid blocks, exc. 10 cm in width and setting in cement concrete mortar 1:6, including embosing DANGER/ HT CABLE / MES or DANGER/ LT CABLE/MES on cable route marker and properly painting with approved colour, size of cable route marker 900x300x100mm complete buried in ground for a depth of 45 cm & necessary earth work all as specified and as directed

Supply and laying (HDPE) Pipe of pressure rating 6 kgf/cm² laid Size 75 mm laid in trenches along with accessories such as coupler for electrical applications as in cable protection pipe from physical damage complete all as specified and as directed.

Supply and laying (HDPE) Pipe of pressure rating 6 kgf/cm² laid Size 110 mm laid in trenches along with accessories such as coupler for electrical applications as in cable protection pipe from physical damage complete all as specified and as directed.

Supply and laying across road crossing reinforced concrete pipes, class NP2, laid and jointed complete with collars of size 200mm complete all as specified and as directed

Supply and laying across road crossing reinforced concrete pipes, class NP2, laid and jointed complete with collars of size 300 mm complete all as specified and as directed

Supply & laying LT Aluminium Conductor Power Cables, Stranded Conductor, XLPE Insulated, Cores Laid Up, PVC Innersheathed, Armoured galvanised steel strip, Extruded PVC Type ST2 Outer Sheathed, 1100 V Grade as per IS 7098 (Part 1) 1988 with upto Date Amendments. cross-sectional area 300 Sqmm 3½ Core, passing in HDPE Pipe laid in trenches/ fixing on surface of Wall in cable tray securing with GI Cable clamps including Brass Cable Glands at termination end points Mild Steel Flat Iron Clampsof adequate size, etc. and Testing complete all as specified and as directed.

Supply and Laying Aluminium HT Cables,11 kV (UE), of size 120 Sqmm 3 Core, Stranded Compacted Circular Aluminium Conductor, Conductor Screen with Extruded Semi Conducting Compound, XLPE Insulated, Insulation Screening with Extruded Semi Conducting Compound in Combination with Copper Tape, Cores Laid Up, Innersheath of PVC, Galvanised Steel Flat Strip Armoured, & Overall PVC Sheathed Cable Conforming to IS 7098 (Part-2) 2011 with upto Date Amendments complete laid in Pipe / Ducts/ Trenches/ under Floor / Road including Testing and comissioning all as specified and as directed. Note for item No 11 & 12 : Earthworks, cable protection pipe, cable tray will be measured and paid separately under respective item of schedule

Maaterial and Labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and as directed.

M&L for Earthing with Copper Earth Plate Electrode 600x600x3.15mm buried directly in ground vertically to a depth not less than 2.25 Metre below Ground Level with Top Edge of Earth Plate at depth not less than 1.50 Metre below normal Ground Level, connected to Copper Earth Strip of size 20x3 mm dia by means of Bolts, Nuts, Check Nuts and Washers of galvanised iron or Steel all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Earth Strip protected with and including GI Pipe 40mm bore (dia) light grade upto 1.0 Metre above the Floor Level of Building where Main Switch/DB situated, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt in alternate layers of not exc 150 mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded aggregate) and Pre-cast RCC Cover Slab of size 350x350x50mm in Cement Concrete 1:2:4 (20mm graded aggregate), reinforced with 8mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in Soft/Loose Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and Testing on completion, complete all as specified and as directed.

Supply Installation testing commissioning (SITC) , compact, maintenance free, easy to install, reliable , safe and easy to operate 11 KV 3 way motorized ring main unit ( RMU) Extensible type suitable for indoor application without using kiosk comprising load break switches for loop in/ loop out net work and circuit breakers for distribution tarnsformer protection with meter panel complete with all parts necessary for effective and trouble free operation comprising with following

(RMU) KEY COMPONENTS (a) Load break switches and vaccum circuit brakers with independent spring- operated mechanism suitable for motorised operations. (b) RMU Main Tank of 3 mm tthick stainless steel robotically welded with degree of protection IP67 and outer enclosure of CRCA 2 mm thickness (c) Load break switch type tested for mechanical endurance of min 5000 nos of operation ( M2 Class) (d) Circuit breaker suitable for operating duty cycle 0-3 min-CO-3 min-CO (e) RMU with own make of vaccum interrupter and self powered relay (f) 3 Position disconnector/ off load isolator provided in series with vaccum circuit breaker at bus side to enhance making capacity of earthing switch (g) Internal arc rating of the Main Tank of the RMU of AFLR 21 KA for 1 Sec (h) Capacitor voltage dividers serving live-line cable indicators with phase comparison sockets for each function. (j) Two load break isolators for incoming & outgoing cables and one circuit breaker for transformer protection enclosed in the main tank using sf6 gas as insulating medium (k) Battery 2x12 V DC, 7 AH rating ( Battery life as per manufacturer standard) (m) Battery charger 230 V ACinput & 24 V DC ouyput 5 Amps

BUSBARS Three Nos of continuous Bus bars made up of EC grade copper of rating current 630 Amps & Short time rating current shall be of 26.3 KA for 3 Seconds for 11 KV RMU ElECTRICAL CHARACTERISTICS : (a) Rated Voltage -11 KV (b) Rated power frequency withstand voltage 38 KV (c) Rated Lighting Impulse withstand voltage - 95 Kv (d) Rated Frequency -50 Hz (e) Rated Current - 630 Amps (f) Fault level (minimum) ... 400MVA for 11kV system (g) Short Time with stand current & duration - 26.3 KA for 3 Secs (h) Short circuit breaking current : 21 KA (j) Short circuit breaking capacity : 52.5 KAp BUSHINGS All bushings at same height, parallel on the equal distance from ground and designed for current carrying capacity 630 Amps. Necessary boots & acess for cable bushings from front and rear with each RMU

METERING (a) RMU shall be provided with seperate metering module consisting of bus connected with Potential Transformer and current transformer . Transformer to be provided for VCB function i.e for Distribution Transformer / Feeder along with Multi function meter. (b) METERING CURRENT TRANSFORMER (i) Type : Ring Type (ii) Material: Cast Resign (iii) Burden : 2.5 VA (iv) Ratio : 100-50/1 Amps (v) Accuracy class for metering : 1.0 Metering LT CTs for breaker shall be provided in side cable compartment with proper supporting arrangement (c) METERING VOLTAGE POTENTIALL TRANSFORMER 3 Nos potential Transformers housed in seperate enclosure for metering purpose (vi) Type : Ring Type (vii) Material: Cast Resign (viii) Burden : 50 VA (xi) Ratio : 11 kV / 3 root /110V/ 3 root For 11 kV (x) Accuracy class for metering : 1.0

POWER SUPPLY COMPARTMENTS INCOMING SUPPLY :- (i) ACB 500 Amps breaking capacity 36 KA, 4 Pole, 50Hz at 415 Volts, Thermal and Magnetic release with adjustable overload. OUTGOING SUPPLY :- (ii) MCCB 160 Amps 25 KA, 4 Pole with Adjustable thermal & magnetic release 415 volts , 50Hz = 03 Nos, (iii) MCCB 100 Amps 25 KA, 4 Pole with Adjustable thermal & magnetic release 415 volts , 50Hz = 04 Nos, (iv) MCCB 63 Amps 25 KA, 4 Pole with Adjustable thermal & magnetic release 415 volts , 50Hz = 05 Nos, Note :- (i). Make of MCCBs & Metering Equipment: L&T, or Equivalent in ABB, Siemens. (ii) PCC and earthwork reuired for embeding of Panel in floor/ ground will be measured and paid seperately under respective Item of schedule

Supply Installation, testing and commissioning step down transformer 11/433 KVA ( at no Load) of capacity 250 KVA, Delta / star connected , vector group DYN -11, ONAN,naturally cooled,oil immersed copper wound outdoor Type complete with standard fittings, platform mounted, HT 11 KV 3 Phase, LT 433 Volts, 3 Phase 4 wire with manual Type off load tap changing facality on HT side to vary secondary voltage from Minus 7.5% to Plus 7.5% (in step of 2.5 % each ) complete. Cable box on HT (Primary) side consisting of three nos porcelain bushing with copper threaded rods, nuts and washer. Cable entry boxes on LT (secondary) side consisting of four nos porcelain bushing with copper rods, with nuts and washers. complete in all respects with standard accessories DY-11 conection and with all parts necessary for effective and trouble free operation comprising with following. (a) MS radiator cool tank with first fill of new transformer oil plus 5% spare oil as per IS 335 of 1993 marked, filtered and tested duly painted by OEM. (b) Rating and digram plate (c) conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill of dehydrating agent (Silica Gel). (e) Two earthing terminals on tank cover to facilitate fixing of GI / copper earth strip for earthing of body and ) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (f) . Explosive vent, Thermometer pocket on tank cover with dial type thermometer, oil level guage, Oil drain filter valve, Lifting lugs,oil filling hole with cap /plug with connection plate complete, Air release valve plug and four nos plain solid cast steel detachable rollers. (g) Providing adequate size and nos of channels, embeded in floor, for movement of transformer. (h) Tranformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with latest energy Effeciency level - II.

Taking out Indoor Transformer of capacity upto 200 KVA from its Position installed at C Zone Sub Station by disconnecting /opening HV, LV Electrical & earthing connections, setting aside for depositing and transporting to MES store / Sub staion building location directed by Engnr-in Charge within Hamla premises complete all as specified and as directed . Note for Item Ser No 15 to 18 :- Necessary arrangements of T&P (crane, recovery, vehicle, tripoid, Chain Pulley block, with adequate skilled/ unskilled manpower for installation and shifting of equipments to be arranged by firm without any extra cost from the department

Material and Labour Soling (or sub base) 150 mm spread thickness with broken boulders or quarried stone, inter stices filled, surface formed and rolled and consolidated to required gradient and camber complete all as specified and directed.

M&L Cement Concrete Type B2-1:2:4 (40mm graded aggregate) as in Foundation filling and mass concrete for grounting of panel and making good disturbed road surfaces including necessary Formwork (as/if required) complete all as specified and as directed.

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 4 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 4 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 4 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 6 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 6 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 6 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 10 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 10 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 10 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 16 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 16 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 16 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with four single core PVC insulated FRLS multistranded copper conductor cable of size 6 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 6 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Five run of 6 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with four single core PVC insulated FRLS multistranded copper conductor cable of size 10 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 10 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Five run of 10 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with four single core PVC insulated FRLS multistranded copper conductor cable of size 16 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 16 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Five run of 16 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with four single core PVC insulated FRLS multistranded copper conductor cable of size 25 Sqmm nominal area and drawing into PVC non metallic rigid heavy duty conduit and its accessories (ISI marked) of suitable size including PVC insulated multistranded copper conductor 25 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Five run of 25 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 4 Sqmm nominal area and drawing into existing surface / recessed, PVC / Steel conduit including PVC insulated multistranded copper conductor 4 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 4 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 6 Sqmm nominal area and drawing into existing surface / recessed, PVC / Steel conduit including PVC insulated multistranded copper conductor 6 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 6 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with two single core PVC insulated FRLS multistranded copper conductor cable of size 10 Sqmm nominal area and drawing into existing surface / recessed, PVC / Steel conduit including PVC insulated multistranded copper conductor 10 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Three run of 10 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with four single core PVC insulated FRLS multistranded copper conductor cable of size 6 Sqmm nominal area and drawing into existing surface / recessed, PVC / Steel conduit including PVC insulated multistranded copper conductor 6 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Five run of 6 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

M & L for submain wiring with approved colour coding as per IS with four single core PVC insulated FRLS multistranded copper conductor cable of size 10 Sqmm nominal area and drawing into existing surface / recessed, PVC / Steel conduit of suitable size including PVC insulated multistranded copper conductor 10 Sqmm (nominal area) single core FRLS cable as earth continuity conductor along with submain wiring and connecting to earth dolly complete all as specified and as directed. Note- Five run of 10 Sqmm cable and one run of PVC conduit will be measured as one unit complete all as specified and as directed

Supply and fixing amp rating 240V, 10KA 'C' curve, IP 20 protected terminals, miniature circuit breaker (MCB) of following poles and current carrying capacity in the MCB DB complete with connection testing and commissioning.

(a) SP 5 To 32 AMP

(b) SPN 32 AMP

(c) SPN 40 to 63 AMP

Supply and fixing 415V 10KA 'C' curve, IP 20 protected terminals, miniature circuit breaker (MCB) of following poles and current carrying capacity in the DB complete with connection testing and commissioning.

(a) TP 25 To 63 AMP

(b) TPN 16 To 32 AMP

(c) TPN 40 To 100 AMP

S & F sheet metal enclosure suitable for Flush Mounting and Surface Mounting, MCB DB with 250 Amps rated bus bar for each phase, Fully insulated & shrouded 2 Neutral bars, 2 Earthbar and Cable ties for Cable management, & With provision for DPX³ 250 MCCB as incomer and SP/TP MCB's as outgoing, 415 Volts, IP 43 - #IK 09 with metal double door & magnetic locking system including inserting the DBs in wall by cutting the brick/ stone masonary etc and making good of disturbed surface in cement mortar to match the existing surface & colour to wall complete all as specified and as directed. (a) VTPN 4 Way. (Make Legrand Cat No - 5077 58 orequivalent.)

S & F sheet metal enclosure suitable for Flush Mounting and Surface Mounting, MCB DB with 100 Amps rated bus bar for each phase, Fully insulated & shrouded Neutral bars, Earthbar and Cable ties for Cable management, & provision for FP MCB / Isolator / RCCB / RCBO as incomer and SP MCB's as outgoing ,415 Volts, IP 43 - #IK 09 with metal double door & magnetic locking system including inserting the DBs in wall by cutting the brick/ stone masonary etc and making good of disturbed surface in cement mortar to match the existing surface & colour to wall complete all as specified and as directed. TPN 4 Way. (Make Legrand Cat No -5076 80 orequivalent.)

Supply and fixing 16A - Motor Starter - 2 Module complete all as specified and directed. Make- Legrand Cat No- 6794 71 or Equivalent in Havells,

Supplied and fixed Flush Mounting and Surface Mounting single pole and neutral sheet metal enclosure suitable for 240 V with neutral link, two pin, earth plug and socket plug top complete all as specified and as directed with (a) One Single pole MCB upto 20 Amps

Supplied and fixed Flush Mounting and Surface Mounting Triple pole sheet metal enclosure suitable for 415 V with neutral link, three pin, earth plug and socket plug top complete all as specified and as directed with

(a) One Tripple pole MCB upto 20 Amps

(b) One tripple pole MCB 32 Amps

Supply and fixing Medium duty CRCA Steel : IS513, rust proof perforated cable Tray in standard length of 2.5 - 3 Mtr, thickness - 3.0 mm, and height of tray 50mm complete with side couplers to connect cable trays with each other, cable tray bend, and supporting accessories of GI (Galvanized Iron) Threaded Rods, Fasteners, with nuts, bolts, washers etc for fixing cable tray on walls or hanging with ceilings all as specified and as directed complete width of Note :- Supporting hanging/ wall fixing accesssories, couplers shall be fixed at minimum length 01 Mtr span and will be measured as one length along with cable tray. Rate quoated shall deemed to be included in the unit rate quoated

(a) Cable Tray 150mm

(b) Cable Tray 200mm

(c) Cable Tray 250 mm

Supply and fixing DPX³ 160 MCCB with O/L & S/C thermal magnetic protection unit, 25 KA breaking Capacity, 4 Pole , 125 Amps, of Make Legrand Cat No 4200 56 or Equivalent in L&T

Supply and fixing DPX³ 160 MCCB with O/L & S/C thermal magnetic protection unit, 25 KA breaking Capacity, 4 Pole , 160 Amps, of Make Legrand Cat No 4200 57 or Equivalent in L&T

Sagar Electricals (BID ID -3432795)

Shree Ayyappa Engineering (BID ID -3432662)

sapana enterprises (BID ID -3431585)