Outsourcing of manpower for repair & maintenance of 33KV Railway dedicated feeder from Kalain to BXK under the jurisdiction of SSE/P/BPB for two years (730 Days).

A-Manpower (The tenderer should quote "AT PAR" or "ABOVE" only for

Outsourcing of 01 nos of skilled manpower required to carry out fault rectification, 1 repair,maintenance, and replacement of all electrical assets at 33 KV Kalain to BXK Railway dedicated feeder round the clock under the Jurisdiction of SSE/Elect/BPB (1x730)=730 Man-days as per the instruction of Site incharge.

Outsourcing of 02 nos of unskilled manpower required to carry out fault 2 rectification,repair, maintenance, and replacement of all electrical assets at 33 KV Kalain to BXK Railway dedicated feeder round the clock under the Jurisdiction of SSE/Elect/BPB(2x730)=1460 Man- days as per the instruction of Site incharge.

B-Outsourcing for repair & maintenance of 33KV Railway dedicated Above/

Supply & erection of 2P composite polymer 33 KV Pin insulator ( 10 KN) with minimum creepage distance 980mm & sectional length 415mm made of one piece injection molded 1 directly to high quality, corrosion resistant, fibre glass discharge rod and sealed to the hot dipped galvanised carbon steel end fittings by bead of silicon rubber complete with all accessories conforming to IEC : 1109 standard or as per IS : 731 (1971) & 2488 (Pt-II) 1974 complete with hardware fitting.

Supply & erection of 2P composite polymer 33 KV ball & socket type Disc insulator 2 (>90 KN) with minimum creepage distance 900mm & sectional length 510mm made of one piece injection molded directly to high quality, corrosion resistant, fibre glass discharge rod and sealed to the hot dippedgalvanised carbon steel end fittings by bead of silicon rubber complete with all accessories conforming to IEC : 1109 standard or as per IS : 731 (1971) & 2488 (Pt-II) 1974 complete with hardware fitting.

Supply, fixing, testing and commissioning of 33 KV GO switch 400 Amps complete with operating handle and fixing of necessary MS channel. (1 setconsisting of 3 pieces) as per direction at site Engineer in -charge of railway.

Supply, fixing, testing and commissioning of 33 KV DO fuse set switch 400 Amps complete double stack with paper insulated barred fuse and fixing of necessary GI channel.GI angle etc. (1 set consisting of 3 pieces) as per direction atsite Engineer in - charge of railway.

Supply and erection of 3 Nos. Zinc oxide station Class-I Lightning arrestor with rated 5 voltage 30 KV ( RMS) with a normal discharge current rating of 10 KA and complete with galvanised clamping arrangement, GI bolts, nuts,washer as required conformingto IS : 3070-III-1993 suitablefor 3 wire 33 KV line.

Supply, erection & testing of LT Pin insulator of sizes (100 x 70) mmcomplete with pin or (75 x 90) mm complete with "D" type MS clamp made of (50x 5) mm flat & necessary MS nut/bolt & washer respectively as per instruction ofEngineer Incharge at Site.

Supply & erection of LT shackle insulator of size 75x90 mm along with "D" clamp and full threaded 8" long 1/2" dia MS bolt and nut with all accessories for tensioning.

Supply and erection of Galvanized stay set for HT OH line completewith 19/20 mm 8 diameter 1.8 Mts.long stay rod, Anchor plate of size30x30 cm x 6 mm thick, thimble,stay clamp turn buckle (20 x 600)mm, 7/10 SWG stay wire andstrain insulator etc. in CCfoundation of ratio 1:2:4:including excavation/refilling etc.as per direction at site Engineer in- charge of Railway.

Supply, stringing & binding ofACSR conductor conforming toIS : 398-Pt.II-1976. Raccoon ofsize 6/1/4.09mm includingbinding and jumpering.There should not be any joint between the span.

Replacement of old defectivesilica gel by supply of goodquality new silica gel withproper drying and filling.

Supply, fixing, fitting of sundry item i.e. HU/LV Bushing/stud,MS nuts-bolts-washer etc asrequired.

Supply of 14.5 Mtr. long GI tubular pole type 410SP-76 with step length 6.5-4.0-4.0 Mtr sectional dia 219.1x193.7x165.1mm sectional thickness 5.9x4.85x4.5mm. including suitable size base plate and cap on top.

Erection of rail/tubular pole to 1/5 th of its height with CCfoundation from base block 13 (30 cm x 30 cm x 15 cm)including digging & refilling of earth to a height of 30 cmabove ground level as per drawing no.CEE/OH@ 47'40@FGA)in ratio 1:3:6 by cement sand & Chips 19 mm & downincluding excavation of earth (Rail pole will be supplied byRailway)

Trimming of tree/bamboobranches etc to maintain a minimum clearance from OH Line. One big branch consisting minimum of 5 small sub branches as per direction at site Engineer in- charge of Railway.

Supply, fixing, testing and commissioning of HT heat shrinkable type outdoor cable 15 end termination kit suitable for single core 33 KV grade XLPE 120 sq.mm armoured cable including all accessories for jointing 33 KV cable to over head through PG clamp as per direction at site Engineer.

Supply, fixing, testing and commissioning of LT heat shrinkable type outdoor cable end termination kit suitable for single core 1.1 KV grade XLPE 240 sq.mm armoured cable including all accessories for jointing 1.1 KV cable to over head through PG clamp as per direction at site Engineer.

Supply & fixing of GI channel size 75x40x40x6mm, 2.5 mtr long bracket clamped with above pole made by MS flat 50x5mm with 50x16mm bolts, nuts for holding insulators, lightning arrester with necessary hole by drill including painting .

Supply & fixing of GI angle ofsize 50X50x6mm clamped by GI flat 50x5mm with 50x16mmbolts, nuts for holding insulators, lightning arrester with necessary hole by drill including painting ( 3300 mm long bracket for cross bracing)

Supply, fitting ,fixing of 3phase Over Current Earth FaultRelay with high set RS 485port, (C.T rating 1A or 5A,Field selectable)

Supply, installation, testingand commissioning of 33KV CT 2 core (for bothmeasurement and protection)Outdoor type of insulationlevel 70 KV/170kVp, shortcircuit 20 withstand current for 3sec. 16 KA, 50-25/5-5A,protection secondary accuracyclass -5P15 and measurementsecondary accuracy class-0.5( 1 set comprising of 3nos. CT), conforming to IS:2705 (latest) to be mountedon suitable structure as perdirection of site engineer.(Note: -The tenderer shalldecide burden of instrumenttransformer based ondesigned secondary load (inVA) + 50% margin).

Supply, installation, testingand commissioning of 11KV CT 2 core (for bothmeasurement and protection)Outdoor type of insulationlevel 32 KV/75kVp, shortcircuit 21 withstand current for 3sec. 12.5 KA of ratio 150-75/5-5A, protection secondaryaccuracy class -5P15 andmeasurement secondaryaccuracy class -0.5(1 setcomprising of 3 nos. CT),conforming to IS: 2705(latest) to be mounted ongiven structure. (The tenderershall decide burden ofinstrument based on designedsecondary load (in VA) + 50%margin).

Excavation of cable trench 1.0 m x 0.5 m below the GL with laying of armored cableand refilling the same by supply of Brick, Sand and Soil after digging the earth asper direction of Engineer at site & connection of armored Cable by supply and fixingof crimping lugs etc.

Stringing and sagging of LT Aerial Bunched cable of different sizes i.e. [ (Nominal cross sectional area of Phase conductor (in Sq mm) 1x16 sq m Nominal cross sectional area of 23 Messenger (Neutral conductor) (in Sq mm) 1x25 sq mm)& (Nominal cross sectional area of Phase conductor (in Sq mm) 3x50 sq mm Nominal cross sectional area of Messenger (Neutral conductor) (in Sq mm) 1x35 sq mm)+The size of (Nominal cross sectional area) street lighting conductor (in Sq.mm) 1x16 sqmm ]. Loading, unloading & carrying of cable to actual work site by contractor own arrangement as per instruction of Engineer in charge at site. (Cable will be supplied by ilway.)

Horizintal directional boring (HDD)of 14/16" dia hole across existing Railway Track to facilitate passing of 12" dia CI/GI pipe 2.5 mtr belowGL without damaging the existingtrack formation, S&T cables andother structures utilized for traffic movement as per following specifications : 1. The directional boring equipment shall consist ofdirectional boring rig of sufficient capacity to successfully completethe crossing, a guided system toaccurately guide the boring operations and trained and competent personnel to operate the system. 2. All equipment shallbe in good, safe operating condition with sufficient supplies,materials and spare parts on hand to maintain 24 the system in goodworking order. The directionalboring machine shall consist ofhydraulically powered system torotate, push and pull of hollwdrilled pipe into the ground atvariable angle while delivering the pressurized fluid mixture to aguidable drill (bore) head 3.The machine shall be anchored to the ground to with stand the pulling,pushing, rotating pressure required to complete crossing. The hydraulicpower system should be self contained with sufficient pressure and volume operations and leakfree. 4.The bore head shall besteerable by changing its rotationand shall provide the necessary cutting surfaces and boring fluidjets. 5. The mud motors shall be of adequate power to turn the required boring tools. 6.Mixing system shall be sufficient to mixand deliver boring fluid composed of bentonite clay, potable water and appropriate additives 7.Drilling fluid shall be composed of clean water and appropriate additives.

"Supply & erection of maintenance free chemical earthing as per DRG/No: NFR/CEE/CON/GS/10(Earthing system)/06/2016,& as per TechnicalSpecificationNo.NFR/ELECT/GS/10 (EARTHING SYSTEM)."

Supply and erection of earthing by made of B class GI pipe of 3000 mm length, 50 mm diameter &3.6 mm thickness. The GI Strip (should be welded with the earth pipe. The pipe is provided with at apered casing at the lower end in order to facilitate the driving. A funnel with perforated plate to be provided at the top of the pipe for pouring water during dry season to have an effective earth value. The connecting conductor from earth electrode to the distribution panel board should not be thinner than8 SWG GI wire to carry the fault current. The earth fill shall be of homogeneous layer of common earth soil. Where soil restivity is high, earth restivity enhancing material may be used, Bentonite or similar earth enhancing material may be used in rocky soil. Earth box to be precasted RCC and The values of earth resistance measured should be painted on the Earth pit cover/lid along with the date of measurement. As per Drg .No. DRG NO: PCEE/ELG/DRG/2024/1/REV-1, dated 28.07.2025 & as per Technical circular no. EL/PS/2025/1.