CA NO. CWE/HILLS/PGH/146 OF 2025-2026 INSTALLATION OF HEAVY-DUTY TRANSFORMER AT MIL STN DHARCHULA

Excavating in post holes (or similar holes) each n exc 0.5 cum, getting out in hard/dense soil, returning,filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm,watering and removing surplus soil to a distance not exceeding 50m and making good surface complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 M depth in hard / dense soil and geting out complete all as specified and directed.

Earth work in excavation by mechanical means (Hydraulic excavator) means overareas (exc 30 cm in depth, 1.5 M in width as well as 10 sqm on plan) in all kind of soil including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5m as directed by Engineer-In-Charge.

Returning, filling in, excavated earth including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed.

Spreading and levelling in layers n exc. 25 cm thick including well ramming including watering as required(Soil obtained from excavation shall be used in this item)

Material and labour for sand cushioning with dry fine sand including filling, spreading, levelling in layers in cable trench with approved quality of sand for protection of under ground cable complete all as specified and directed.

Removal of surplus excavated soil to a distance exc50 m but not exc in 100 m and deposited wher directedat a leveln exc 50 m above the starting point complete all as specified.

M&L Hand packing (any thickness) at back of walls with broken stone or boulders and raising (or lowering) to the required level complete all as specified and directed.

M & L for Hardcore of broken stone gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and as directed.

M&L for PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in foundation, filling and mass concrete complete all as specified and directed.

M&L for PCC 1:4:8, type D2 using 40 mm stone aggrigate as in foundation filling and mass concrete complete all as specified and directed.

M&L for PCC 1:3:6 type C1 using 20mm graded aggregate as around the pole etc complete all as specified and directed.

M&L PCC 1:2:4 Type B1 (20mm graded agg) as in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed as directed

M&L for Pre-cast cement concrete 1:3:6 type C-1 (using 20 mm graded stone aggregate) block masonry with solid blocks, exc. 10 cm in width and setting in cement mortar 1:6, complete all as specified and directed.

M&L Slabs supported on walls,beams and columns in floors,roofs, landings, balconies, canopies, deck slabs and in shelves and the like using cement concrete type B-0 1:2:4 complete all as specified and as directed.

M&L Stone walling of random rubble, brought upto course, well bonded, bedded and solidly hearted built in cement mortar 1:6 complete all as specified and as directed

Formwork to sides and soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) for fair finished surface of concrete complete

S&F MS posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 all as specified and directed

S&F Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings;framework of water tanks and similar work for portions framed and hung as gates, including pintle hinges, stops, hand-made sliding bolts, etc conforming to Fe.290.Gde-E-165 complete all as specified and directed.

S&F 1 mm thick Mild steel, plain, black sheet in wall cladding, steel gates and similar work, cut to size, holes punched; including round headed screws, clout nails or rivets and fixed to wood or steel framing with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required complete all as specified and as directed.

S&F mild steel Round bar bars ,10mm dia and over up to including 10mm dia ,cut to length ,bent to shape required ,including bending for column, beam hooking ends and binding with & including MS wire not less than 0.9mm dia or securing with clips complete all as specified and as directed.

M & L mild steel TMT bars 10mm dia and over cut to length bent to shape required including cranking, hooking ends and binding with MS wire (annealed) not less than 0.90mm dia complete.

Fixing only chain link MS galvanised fencing any size and type complete all as specified and as directed

S&F Galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and strainingand fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured) all as specified and as directed.

Supply only chain link MS galvanised fencing any size or type all as specified and directed

M&L for 100mm thick cement concrete type D-2, PCC 1:4:8 (40mm graded agg) in sub base complete all as specified and as directed.

M&L for Machine pressed precast concrete colored interlocking paver block any shape and size confirming to IS 15658-2006 of 80 mm thickness M-40 Grade with grey cement and pigment complete all as specified and as directed.

M&L 15 mm thick rendering in cement mortar 1:4 on fair faces of brick work or concrete surface including finishing the surfaces even and smooth without using extra cement complete all as specified and directed.

M & L for flush pointing to random rubble masonary, brought upto courses in cement mortar 1:4 complete all as specified and as directed.

M&L three coats of white wash on wall surfaces including prepration of new plastered surfaces complete all as specified and directed

M&L for 2 coats of synthetic enamel paint over one coat of red oxide on newly prepared steel surface of any description , over 10cm width or girth, not otherwise described all as specified and directed

S&F 75mm bore PVC(SWR) pipes single socketed for weep holes , in any length with rubber ring joints,as in weep holes complete all as specified and directed.

Supply and laid (GI light grade tube ) in under Road/drain/cullvert fixed to poles wall with flat Iron clamps bolts nuts and washerts of size 100mm bore complete all as specified and as directed.

All as per item No. 33 here in before but 80mm bore

All as per item No. 33 here in before but 40mm bore

Supply and erection, in truly vertical position LT Steel tublar swaged pole complete with cast iron base plate finial taper plug, bolt , nut and screwed type 410 (SP-31) 09 mtrs long Class -10 including painting of poles with two coats of synthatic enamel paint in black and white strips upto 1.5 mtr height from coping over a coat of red oxide primer including numbering of poles complete all as specified and directed. (Note : PCC, Earth work and MS work as cross arms clamps etc shall be measured and paid seperately under relevant item)

M&L for steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11 metres long), staying the poles in a truly vertical position including painting steel tubler pole exposed surface with two coats of aluminium paint over a coat of red oxide primer and providing 3 bends/ straps with paint red signal post colour and two bends with black synthetic enamel paint 300 mm apart from plinth block and numbering of pole and painting embedded portion of pole with one coat of bituminious paint complete all as specified. Note: Earth work, PCC and MS work as cross arms clamps etc shall be measured and paid seperately under relevant item

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 complete all as specified.

M&L ACSR Conductor of any size fixed on pole including stiching binding with insuating wire complete all as specified and directed.

S&F Danger notice plate of 1.6mm thick mild steel sheet vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S Clamps, bolts and nuts of approved size for HT 25x20cm size.

Supply, installation, commissioning and testing of switch air break gang operated HT 11KV garde tripple pole with 12 insulator 200Amp rating with drop out fuse assembly with fuse carrier fuse eliment mounted on insulator and fitted on steel frame mechanically operated machanism from ground level consisting of operating rod 25mm bore light grade GI pipe to suitable length work from ground level consisting of operation rod 25mm bore.

S&F lightening arrestor expulsion type suitable for 11000 volts complete with all fittings, transmission class, discharge capacity 65kilo Amp including taking down/out old unserviceable LA complete all as specified.

Supply, Installation, commissioning and testing of transformer (level-2) copper wound step down 400 KVA out door type 11/0.433 KV (at no load) AC 3 phase, 50 HZ, on secondary side double copper wound, oil immersed naturally all air cooled (ONAN type) with external cooling tubes / radiatiors, double copper wound core type having no load voltage ratio 11 KV / 415 volts corresponding to principal tapping, delta connected primary side (HV Side) and star connected on secondary side (LV side) in accordance with vector symbol DYN 11 (Vector group - 4) with neutral brought out on LV side and having tapping on HV side for constant out put so as to altervary secondary voltage from (+) or (-) 2.5 %, (+) or (-) 5% and (+) or (-) 7 .5 % in step to be changed by mean of manual OFF LOAD tap changing arrangements, maximum temperature rise should not exceed 45 degree C in oil and 50 degree C in HV/LV winding when measured by resistance method after continuous full load run in ambient temperature, transformer shall be conforming to IS-1180 Pt-I 2014 complete all as specified. The transformer shall be complete with following fittings and accessories (a) Oil conservator tank with filling hole and cap drain and oil level guage. (b) Silica gel breather with oil seal and first fill of dehydrating agent. © Pressure relief valve with automatic resetting arrangement after release of pressure – 01 Set. (d)Oil temperature gauge having range 0-120 degree C with max reading 100mm dia with shut off valve between the conservator and main tank. (e) Double float Buchholz relay with alarm and trip contacts with one No. of shut off valve. (f) Adequate No. of thermometer pocket including one number for accommodating bulb type thermometer. (g) Oil drain filter valve. (h) 01 nos cable end box on LV secondary side consisting of 04 nos porcelain bushing with bushing rods and nuts/washers and cable glands suitable for reception of out 3.5 core, 95 sqmm LT XLPE cable 1100 volts grade including glands joints complete (j) Oil level gauge (k) Rating plate with terminal plate (l) Cover lifting lugs (m) Jacking and lifting lugs (n) 04 nos plain solid cast iron detachable rollers (o) Extra bushing for neutral outside the cable box and providing independant earthing for neutral (p) First filling transformer oil conforming to IS: 335-1972 and tested upto 60 KV dielectric strength (q) Earthing terminals -02 Nos located on diagonally opposite transformer tank.

Supply and fixing cable jointing kit for 11KV (Earthed) Grade cable for out door termination heat shrink type joint complete with jointing material and accessories suitable for three core XLPE armoured alumunium conductor cable of size 95Sqmm

Supply and laying in trenches unreinforced precast concrete cable covers, class HV type-|, ISI marked flat size 300 x 180 x 40mm for protection of cable complete all as specified and directed.

Supply and laying in trenches unreinforced precast concrete cable covers, class LV type-|. ISI marked flat size 250 x 150 x 40mm for protection of cable complete all as specified and directed.

Supply, laying, testing and commissioning XLPE insulated, screaned, PVC graded galvanised steel strip are wire armoured electric power cable (heavy duty) with alumunium conductor 1100 volts, grade cross section 240 sqmm 3.5 core complete all as specified and as directed.

All as per item No. 47 here in before but size of cable 10 sqmm 2 core

Supply, laying, testing and commissioning XLPE insulated, screaned, PVC graded galvanised steel strip are wire armoured electric power cable (heavy duty) with alumunium conductor 11000 volts, grade cross section 3 core 95 Sqmm complete all as specified.

Supply & fixing street light fitting, LED type, 70 Watt, 6000 K, pressure die cast aluminium housing, heat resistant toughened glass, IP-65/66 protection and impact and corresion resistant including thermal management in multiple optics distribution with integrated electronic driver complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6.3 mm thick, buried directly in ground (earth pit not less then 2.25 metres deep below ground level) with top edge of the plate not less then 1.5 metres below normal ground level, conneted to galvanised earth wire 4.0 mm dia by means of bolts, nuts, cheek nuts and washers of galvanised or iron protected by 15 mm bore GI pipe (medium grade) and connected to main switch board as directed including concrete pit in PCC (1:3:6) type C1 precast RCC (1:2:4) type B1 cover slab 40x40 Cm x 6Cm reinforced with 8 mm dia deformed bar @ 5 cm c/c with one handle for lifitting made out of 8 mm dia MS bar, funnle, wire mesh, 20 mm bore GI pipe (medium grade) for watering including charcoal and salt in alternative layers necessary excavation and earth work in any type of soil and testing complete all as shown on electrical plate No-3 of SSR part-I, 2009.

M&L for Earthing complete with galvanised steel earth plate electrode 60cm × 60cm × 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron strip 25×4mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel protected by 40 mm bore GI pipe (medium grade) all as shown in electrical plate No. 3, connected to earthing test point all as specified or indicated including concrete pit in PCC (1:3:6) type C1, precast RCC (1:2:4) type B1 cover slab 40x40 Cm x 6Cm reinforced with 8 mm dia deformed bar @ 5 cm c/c with one handle for lifitting made out of 8 mm dia MS bar, funnle, wire mesh, 20 mm bore GI pipe (medium grade) for watering including charcoal and salt in alternative layers necessary excavation and earth work in any type of soil and testing complete all as shown on electrical plate No-3 of SSR part-I, 2009.

Rolling and consolidating formation surfaces in cutting including levelling using power roller exc 8 tonne and n exc 12 tonne

Demolition of Concrete of any description and in any position for laying cable protection GI pipe complete all as specified and directed.

M & L for cutting the road as per requirement upto depth 50 cm and width 30 Cm to lay the GI pipe complete all as specified and directed.

Supply and fix cable jointing kit for 1100 Volt grade cable for outdor termination heat shrink type complete with jointing material and accessories suitable for 3.5 core XLPE armoured AI conductor cable of size 240 Sqmm.

M&L for pole mounted fabricated of fiber reinforced plastic street light junction box of size not less than 300x150x170mm front openable hinged cover suitable for mounting on steel tubular pole using clamps, nut bolt etc incl 3 Nos Al busbar 50 Amp mounted on insulators and MCB of rating 10Amps of breaking cap 10kA and connection of cable with MCB using suitable size coipper lugs complete all as specified and directed.

S&F of bracket made out of 32 mm bore light grade GI pipe bent to shape fixed as bracket suitable for street light fittings not less than 1.2 m long, bent/welded to shape including fixing by means of nut, bolt and clamp-02 No made of MS flat 40x5mm as required duly painted complete all as specified.

M&L for three core copper cable conductor of size 1.00 Sqmm for connection of Securiry light to Pole Box all acomplete as specified and directed.

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