GE/SMB/T-07/2025-26 REPAIR IMPROVEMENT REPLACEMENT TO LT FEEDER PILLAR BOX PANELS AND OTHER ALLIED CONNECTED WORKS AT ZONE II AND III UNDER MIL STN SAMBA

Amount

S & F in repair and replacement of MCCB 160 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 25 KA on existing panel as per existing type of Frame complete all as specified and directed.

S & F in repair and replacement of MCCB 200 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 36 KA on existing panel as per existing type of Frame complete all as specified and directed.

S & F in repair and replacement of MCCB 250 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 36 KA on existing panel as per existing type of Frame complete all as specified and directed.

Taking down unserviceable Pin and shackle insulators from existing pole complete all as specified and directed.

S&F pin type, porcelain, vitreous, brown, including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut, 100mm height and 65 mm dia for 1100 volts grade complete all as specified and directed.

S&F shackle type,porcelian vitreous white, brown or green insulator including galvanised mild steel straps 31 x 3 mm , washers, insulators bolts of size 12 mm ,washer and nuts of size 75 mm height and 90 mm dia for 1100 Volts grade complete all as specified and directed.

M & L for Dismantling stay assembly complete and M & L for Stay assembly complete with accessories as shown in electrical plate No. 1,i.e Stay rod 1.8 Mtr length 16 mm dia and size of stay grip 7/2.50 mm, size of stay plate 230 x 230 x 6 mm mild steel galvanised material, stay bows shall be of mild steel galvanised of 14 mm dia and 40 cm length all shown as per MES SSR Part-I, , the stay rod shall be embedded in cement concrete 1:3:6 type C 2 to a depth not less than 1.67 Meters in such a way that the top of the concrete block so formed is well below the ground level to prevent uprooting of the stay rod. A stay rod of length 1.8 mtrs and dia 16 mm dia , length of remaining 45 cm of the stay rod shall project above the ground level. The stay wire of size 7/3.15 mm shall be fixed to the stay rod at the bottom and to the stay clamp to the pole, by means of well spiced joints with a porcelain guy insulator of size 65 x 95 mm placed 3 Mtr above the ground level and a turn back to inserted in the middle and near the top respectively.The stay clamps shall be located near about the centre of gravity of the pull of the over head conductors, stay rod and thimble shall be in correct alignment with stay wire. The angle between the pole and the wire should be about 45˚ to 30˚ complete all as specified and directed. (Note: Excavation, earth work, PCC , insulators, stay wire, plates with necessaary bolt, screw,deemed to be included in the quoted rate)

M&L for preparing old painted steel surfaces by scrubbing with emery paper/wire brush and applying two coats of aluminium paint to 9 mtr long steel tubular street light poles complete with connected fittings such as brackets and writing the pole number with black enamelled paint of 25mm high letters on 10 cm dia circle in white paint complete all as specified and directed.

M&L in repair steel work in FE-410-S grade for cross arms, bracing, supported, clamps & back plates fabricted from structural steel section including nuts, bolts, washers, welding, Bending cold and hot Drilling hole for bolts, in any size as indicated or directed and inclusive of one coat of red oxide primer one under coat and one finishing coat of paint aluminium complete all as specified and directed.

S&F in repair ACSR conductor incl jointing with existing conductor and stringing on LT pole and proper fastening to pin/shackle insulators with aluminium binding wires and required jumpering connection complete all as specified and directed.

Labour only for restringing of overhead ACSR conductor of any size of 4 wire and 2 wire on pole after disconnecting all jumper connection & binding of insulators and including rejointing all connections and insulators, jumper binding with aluminium conductorcomplete all as specified and directed . Note : (i) Pole to pole distance will be measured as one span (ii) In Pole to Pole 4 wire and if found 2 wire each conductor measured as one span.

S&F in repair and replacement of Low tension line separator made out of polyproplene composite bolted type suitable for Hhorizontal and vertical configuration Over head line up to 11 Mtrs from Ground level suitable for 2 wire, distance between phase to phase 300mm, and minimum thickness 12 mm width 25 mm and over all total length 360 mm suitable for use with 1100 volts grade. Note:To reach the centre of over head conductors span required T & P like laddar and hydra rate deemed to be included on the quoted rate.

S&F in repair and replacement of Low tension line separator made out of polyproplene composite bolted type suitable for Hhorizontal and vertical configuration Over head line up to 11 Mtrs from Ground level suitable for 3 wire, distance between phase to phase 600 mm, and minimum thickness 12 mm width 25 mm and over all total length 660 mm suitable for use with 1100 volts grade. Note:To reach the centre of over head conductors span required T & P like laddar and hydra rate deemed to be included on the quoted rate.

S&F in repair and replacement of Low tension line separator made out of polyproplene composite bolted type suitable for Hhorizontal and vertical configuration Over head line up to 11 Mtrs from Ground level suitable for 4 wire, distance between phase to phase 900 mm, and minimum thickness 12 mm width 25 mm and over all total length 960 mm suitable for use with 1100 volts grade. Note:To reach the centre of over head conductors span required T & P like laddar and hydra rate deemed to be included on the quoted rate.

Dismantling unserviceable LT panel of any size from the site and removing existing concrete block complete all as specified and directed

Taking out unserviceable / serviceable cable /UG cable of any size upto 150 Sqmm carefully from trenches/poles/ducts/LT panels, at different locations complete all as specified and directed.

Supply and laying , fixing or passing through pipe, laid in trenches or fixed to pole/wall or fixed to LT panel board, insulated, armoured heavy duty electric cable with aluminium conductor, XLPE , 1100 volts grade, cross-sectional area of size 120 Sqmm sqmm 3.5 core and during connecting use suitable size of Aluminium lugs and the lugs should be crimpped with crimmping tools and connect properly with out any loose connection , with complete all as specified and directed.

All as per item No. 17 here-in-before but 70 sqmm 3.5 core complete all as specified and directed.

All as per item No. 17 here-in-before but 150 sqmm 3.5 core complete all as specified and directed.

All as per item No. 17 here-in-before but 35 sqmm 3.5 core complete all as specified and directed.

All as per item No. 17 here-in-before but 25 sqmm 3.5 core complete all as specified and directed.

All as per item No. 17 here-in-before but 16 sqmm 4 core complete all as specified

Excavation in trenches in any type of soil and n.exc 1.5 m wide and n.exc 1.5 m in depth for ,laying under ground electric cable and GI tubing (where provided for protection of cables), stay and getting out, trimming the sides, forming bottom surface to required level in any type of soil complete all specified and directed.

Returning, filling in, any type of soil including spreading, leveling, watering and well ramming in layers n.exc 250mm thick, in any tupe of soil complete all as specified and directed.

Removing excavated material (surplus soil) to a distance not exceeding 50m and depositing where directed at a level n.exc 1.5 m above the starting point, complete all as specified and directed.

M&L for sand cushioning for under ground cable with layer of fine river dry sand 80 mm thick before laying of cable and 150 mm thick after laying of cable in trenches complete all as specified and directed. Note:- Punned (consolidated ) thicness of sand will be measured and paid.

Material and labour for cable protection with sub class ‘B’ bricks old size, laid dry, flat over sand cushining of cable, perpendicular across the cable in trenches complete all as specified and directed.

M&L for road cutting for laying cable and through GI Pipe of suitable size making good with PCC 1:3:6 type C-2 (using 40 mm graded stone aggregate) of 150mm X 100mm inrespect of width and thickness complete all as specified and directed. Note: GI pipe should be deemed to be included in the quoted rate.

Supply and fixingin repair GI tubing light grade 80mm bore, light grade as in sleeving etc laid in trenches/pole post/under culvert/under load etc for cable protection complete all as specified and directed.

M/L for trimming of branches of trees touching LT electric over head line and making clear about 3 mtr in radius by climbing up tree or by providing ladder, at a height of 9 mtr and above and carrying and depositing where directed not exceeding 50 mtr. Note : (i) Necessary T & P items arrange by contractor. (ii) While cutting the tree branches the fallen branch damaged the contactor, insulator, pole the contractor should be replaced the said items without any extra cost. If contrctor failed to rectify the complaint withing 4 hours of time period the penalty of Rs 10000 imposed per hour till rectify (iii) Cutting of tree consider in each span only not no of tree in one span have 10 trees it cnsider only one span.

M & L for jointing the LT cable straight through joint, by disconnecting the cable ends, removing the damaged portions of cable, by suitable means, joining by ferrules etc and testing for LT 1100 V cable of size 16 Sq mm 4 core complete all as specified and directed. Note: Necessary earth work Excavation, Returning & Refilling, Removal and laying existing bricks if found on site all rate included on the quoted rate.

All as per Item No 31 above 25 Sqmm 3.5 core

All as per Item No 31 above 35 Sqmm 3.5 core

All as per Item No 31 above 50 Sqmm 3.5 core

All as per Item No 31 above 70 Sq mm 3.5 core

All as per Item No 31 above 95 Sq mm 3.5 core

All as per Item No 31 above 120 Sq mm 3.5 core

All as per Item No 31 above 240 Sq mm 3.5 core

M & L for jointing the LT cable end joint, by disconnecting the cable ends, removing the damaged portions of cable, by suitable means, joining by ferrules etc and testing for LT 1100 V cable of size 16 Sqmm 4 core complete all as specified and directed. Note: Necessary earth work Excavation, Returning & Refilling, Removal and laying existing bricks if found on site all rate included on the quoted rate.

All as per Item No 39 above 25 Sqmm 3.5 core

All as per Item No 39 above 35 Sqmm 3.5 core

All as per Item No 39 above 50 Sqmm 3.5 core

All as per Item No 39 above 70 Sq mm 3.5 core

All as per Item No 39 above 95 Sq mm 3.5 core

All as per Item No 39 above 120 Sq mm 3.5 core

All as per Item No 39 above 240 Sq mm 3.5 core

M&L for cleaning of MES electric supply installations/campus inside Transformer chain linking fencing and from outer area of chain link fenicing i.e distance from fencing from 2 Mtrs distance by surface dressing or trimming of natural ground to remove small unequalities not exc 15 cm deep (including removing vegetation/ shrubs/brush wood/under growth) and carrying away the rubbish to a distance of not exc 50 mtr away complete at an interval of every month for the various sub stations under GE Samba area and Dayalchak

Material and Labor for Design, supply, Fabrication, Installation, testing and Commissioning factory made, LT panel board, Out door type of minimum size as per CPRI specification, totally enclosed, dust and vermin proofm suitably ventilated, floor mounted, 415 volts, 3 phase and neutral, 50 hz, AC supply system, fully compartmentalised, both side open able, made out of 3.15 mm thick CRCA sheet steel, protection of enclosure IP-54 as per IS : 2147 of 1962 with pre-treatment and powder coated of approved colour including suitable frame work / support made out of suitable size of angle iron / flat iron, front opening type with provision for cable entry, with proper ferrule and cable glands, internal wiring with PVC insulated multi stranded copper conductor FRLS control cable of adequate size (minimum 1.5 sqmm 4 core), CT for all incoming and outgoing MCCBs as per switchgear capacity CT ratio recommended by CPRI including required civil works/anchoring bolts for fixing, PCC foundation 1: 3:6 type C-2 using 40 mm graded stone as in foundation filling mass concreting et etc with and including following all as specified and directed : - (a) Busbarchamber : Electrically grade Aluminium shrouded bus bar of capacity equal to 1.5 times of rated incoming control switch gear including interconnection same size of all switch gears , fixed on DMC insulators and provision of extension.

INCOMER : (i) MCCB 200 Amps, 415Volts, 4 pole 50 Hz, 36 KA with adjustable ,microproseccsor release in built instantaneous protection, Ics = 100%=Icu(1 sec) complete including phase spreaderall as specified and directed. 01 Nos. (ii) Multifunction meter = 01 set. (ii) Phase Indication lamps (RYB), LED type - 01 No (set of three).

Outgoing : (a) (i) MCCB 160 Amps, 415Volts, 4 pole 50 Hz, 25 KA with adjustable thermal magnetic release, in built instantaneous protection, Ics = 100%=Icu(1 sec) complete including phase spreader all as specified and directed- 01 No (ii) MCCB 63 Amps, 415Volts, 4 pole 50 Hz, 16 KA with adjustable thermal magnetic release, in built instantaneous protection, Ics = 100%=Icu(1 sec) complete including phase spreaderall as specified and directed - 02 Nos. (iii) Multifunction meter- 03 Nos (iv) LED indicator set of three -03 Nos

(i) CPRI Certification Degree of protection IP-54 (should have IEC:61439-1-2 & IEC:60529 tests). (ii) CPRI certificates short circuit with stand strength should be 50 KA RMS for 1 sec with initial peak of 105 KA. (iii) CPRI certification rated current for short circuit not less than 5000A. (iv) All the electrical switch gear like MCCBs, MCBs should be of same make, (v) Drawing of panel board should be submitted by contracotr for got approved from GE (samba) before fabrication. (vi) Panel board should be fully compartmentalized in accordance to form 4 b of IEC 61439-1-2.

Supply only indicating lamp Red, Yellow, Blue .

Supply only Volt meter of type 0-500 Volts, 50 hz, 415 Volts

Supply only Ammeter of type 0-500 Amps, 50 hz, 415 Volts

Supply only CT of capacity 5-800 Amps as per current amps complete all as specified and directed.

Supply only Aluminum lugs 185 Sqmm

Supply only Aluminum lugs 120 Sqmm

Supply only Aluminum lugs 95 Sqmm

Supply only Aluminum lugs 70 Sqmm

Supply only Aluminum lugs 50 Sqmm

Supply only Aluminum lugs 35 Sqmm

Supply only Aluminum lugs 25 Sqmm

Supply only Aluminum lugs 16 Sqmm

Supply only Aluminum lugs 10 Sqmm

Suuply only Aluminum lugs 6 sqmm

Supply only MCCB 63 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 16 KA on existing panel as per existing type of Frame complete all as specified and directed.

Supply only MCCB 100 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 16 KA on existing panel as per existing type of Frame complete all as specified and directed.

Supply only MCCB 125 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 16 KA on existing panel as per existing type of Frame complete all as specified and directed.

M&L for plate earthing complete with galvanized mild steel plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground vertically (in earth pit not less than 2.25 meter deep below ground level) with the top edge of earth plate at a depth not less than 1.5 meter below normal ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides and including GI strip 32x6 mm bolted (with GI nuts, bolts & check nuts) and riveted to earth (Plate) electrode at one end and connected to main switch board /panel/ test point at the other including watering GI pipe (medium grade) 20 mm bore from bottom of earth pit to top of electrode and 40 mm GI pipe light grade for earth strip protection complete with earth pit in PCC 1:2:4 type B0 using 12 mm graded crushed stone aggregate, RCC cover, funnel, wire mesh including necessary excavation and earth work in any type of soil, returning filling in and removal of surplus soil complete all as specified and directed.

Supply, installing, testing and commissioning in replacement Busbar box with factory fabricated prewired bus bar of size .45 Mtr x .45 Mtr x .30 Mtr out door dust vermin proof, made out of 3.15 mm thick CRCA sheet with front openable shutters, powder coated externally and internally, having locking arangement and mounted on 50x50x6mm angle iron frame/legs with four legs 45cm high , embedded in PCC (1:4:8) having aluminum bus bar 200 A for three phase and neutral with colour coding sleeve complete all as specified and directed.

Notes : - (i) Panel manufacturers should have in house powder coating plant with minimum 8 tanks pretreatment of MS sheet facilities, dust free spray paint booth. (8 tanks pretreatment process includes : degreasing / water rinsing / de-rusting / water rinsing / activation / phosphating / water rinsing / passivation). (ii) Thickness of power coating shall not be less than 80 microns and test certificate for powder coating shall be furnished along with panel. (iii) The panel manufacturer should have following certification : (a) CPRI certification Degree of protection IP-54 (should have IEC:61439-1 & 2 IEC:60529 tests). (b) CPRI certification short circuit with stand strength should be 50 KA RMS for 1 sec with initial peak of 105 KA. (c) CPRI certification rated current for short circuit not less than 5000A. (iv) MCCB (Microprocessor based) provided should be capable for on line setting of the current. (v) All the eletrical switch gear like MCCBs, MCBs should be of same make. (vi) Drawing of panel board should be got approved from GE Samba (J & K) before fabrication. (vii) Panel board should be fully compartemtnalized in accordance to form 4 b of IEC 61439-1-2. (viii) Any item technically required for proper functioning of APFC panel but not mentioned in the item is deemed to be included in item rate quoted by the firm and after installing setting the APFC relay as per existing load. (Location: Bhim Line Officer Qtr area TA Pump house & Pump house No -7)

Notes : - (i) Panel manufacturers should have in house powder coating plant with minimum 8 tanks pretreatment of MS sheet facilities, dust free spray paint booth. (8 tanks pretreatment process includes : degreasing / water rinsing / de-rusting / water rinsing / activation / phosphating / water rinsing / passivation). (ii) Thickness of power coating shall not be less than 80 microns and test certificate for powder coating shall be furnished along with panel. (iii) The panel manufacturer should have following certification : (a) CPRI certification Degree of protection IP-54 (should have IEC:61439-1 & 2 IEC:60529 tests). (b) CPRI certification short circuit with stand strength should be 50 KA RMS for 1 sec with initial peak of 105 KA. (c) CPRI certification rated current for short circuit not less than 5000A. (iv) MCCB (Microprocessor based) provided should be capable for on line setting of the current. (v) All the eletrical switch gear like MCCBs, MCBs should be of same make. (vi) Drawing of panel board should be got approved from GE Samba before fabrication. (vii) Panel board should be fully compartemtnalized in accordance to form 4 b of IEC 61439-1-2. (viii) Any item technically required for proper functioning of APFC panel but not mentioned in the item is deemed to be included in item rate quoted by the firm and after installing setting the APFC relay as per existing load.. (Location: Gangaroo Pump house-01 & Golf Pump House-01)

S & F in repair and replacement of MCCB 320 Amps 4 pole , 50 Hz, 415 Volts, adjustable type of breaking capacity 36 KA on existing panel as per existing type of Frame complete all as specified and directed.

Note :- The contract sum shall be arrived at after deduction of amount of sch of credit

G.M. ENGINEERING SERVICES (BID ID -3305899)

SIDDAHANT ENTERPRISES (BID ID -3297324)

dinesh enterprises (BID ID -3297572)

TRINETAR RC ENTERPRISES (BID ID -3306301)

M/S HIMANSHU BUILDERS (BID ID -3301122)