CA NO CWE SGNR/TOKEN-42 OF 2022-23 REPAIR/MAINT OF HT VCB AND OTHER CONNECTED WORKS AT LALGARH JATTAN MILITARY STATION

Amount

Supplying, laying, jointing testing and commissioning in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade of cross-sectional area 120 Sqmm, 3 core, IS 7098 marked, suitable for HT 11 KV(E) system , laid in trenches / ducts / encased in GI pipe / fixed to pole complete all as specified and directed by Engineer-in-Charge. Note : Excavation and earth work, brick protection, sand cushioning and GI protection pipes shall be measured and paid separately under respective item of BOQ

Excavation in trenches, not exc 1.5 m wide and n. exc 1.5 m depth; or n exc 10 Sqm on plan and n exc 1.5 m in depth for foundations of poles, struts, stays etc. or laying underground cable etc. in soft/loose soil, & getting out complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified and directed by Engineer-in-Charge

Removal of excavated surplus soil to a distance n.exc 50m and depositing where directed at level not exceeding 1.5 m above the starting point complete all as specified & directed by Engineer-in-charge .

S&F un-reinforced precast concrete cable cover class HV, type-1, flat size 300mm x 180mm x 40mm laid flat length of cover shall be across the length of cable complete all as specified and directed by Engineer-in-Charge.

M & L for sand cushioning with dry and clean locally available sand for underground cable 8cm before laying cable and 15 cm after laying cable and punned to 18 cm after laying of cable complete all as specified and directed by Engineer-in-Charge. (Note: Thickness after punning shall be considered for payment purpose)

Supply and fixing in replacement air break gang operated switch, triple pole, 11 KV (outdoor type) mechanically operated, suitable for horizontal type complete with 9 Nos porcelain insulators and steel frame, with operating mechanism worked from ground level with fixed contacts of phosphorous bronze and moving control of copper, for current rating upto 400 Amps including 20mm dia GI pipe heavy duty of required size and with locking arrangement including Godrej (Freedom) 65mm pad lock with two keys with fuse mounts, fuse carriers and HT fuse elements having 400 amp rating suitable for HT 11 KV, 50 Hz, AC supply including necessary electric connections complete and painting of steel surfaces with 2 coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement Galvanised steel wire 4 mm dia for cradle hexagonal/ rectangular or running straight complete all as specified and directed by Engineer-in-Charge.

Supplying and fixing in repalcement lightning arresters expulsion type complete with all fittings transmission class discharge capacity 65 Kilo Amps for 11KV over head line complete all as specified and directed by Engineer -in-Charge.

Supply and fixing in repalcement pin type insulator of size 150mm height, 150 mm dia porcelain, vitreous, white, brown or green insulator suitable for 11 KV grade including one galvanized mild steel spindles, two GI washer and one GI nut complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement disc type insulator of vitreous porcelain 145 mm high and 255 mm dia ball and socket type, white, brown or green of single disc assembly for tension with tension clamps for conductor working pressure 11000 volts grade complete all as specified and directed by Engineer-in-Charge.

Supplying and fixing in repalcement cross arms, bracings, stiffeners, supports, clamps and back plates fabricated from structural steel sections conforming to Fe-290 (Gde E-165) including nuts, bolts, washers, welding, binding cold or hot, drilling holes for bolts, in any shape or size as indicated or directed complete all as specified and directed by Engr-in-Charge. Note :Unexposed surface of steel sections shall be applied one coat of red oxide primer and exposed surface shall be applied one finishing coat of aluminium over a coat of red oxide primer. Cost of the same is included in the unit rate of the item.

Supplying, fixing & stretching in replacement aluminium conductor steel, reinforced (ACSR) of any size fixed on HT/LT poles fixed on insulators and binding with & including binding wire 14 SWG complete all as specified and directed by Engineer-in-Charge. Note : The weight of binding wire shall not be considered for payment.

M & L for PCC (1:4:8) type D-2 using 40mm graded stone aggregate as in foundation for poles, stays & mass concrete including necessary form work and fair finishing to exposed surfaces complete all as specified and directed by Engineer-in-charge

M&L for PCC (1:3:6) type C-1 using 20mm graded stone aggregate for coping of poles / struts/ stays etc including necessary form work complete all as specified and directed by Engineer-in-Charge.

M&L for Brick work using fly ash bricks, straight or curved on plan exc 6 m mean radius built in cement mortar (1:6) incl dismentling old one complete all as specified and directed by Engineer-in-Charge.

M&L for rendering 10 mm thick on fair faces of brick or concrete surfaces in cement mortar (1:4) finished even and smooth without using extra cement complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement cable jointing kit for 11 KV (earthed) grade cable end termination, cold shrinkable, outdoor type cable jointing kit suitable for 11 KV (E) 95sqmm x 3core XLPE armoured aluminium conductor complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement cable jointing kit for 11 KV (earthed) grade cable end termination, cold shrinkable, outdoor type cable jointing kit suitable for 11 KV (E) 120 sqmm x 3core XLPE armoured aluminium conductor complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement cable jointing kit for 11 HV (earthed) grade cable end termination, cold shrinkable, indoor type cable jointing kit suitable for 11 KV (E) 120 sqmm x 3 core XLPE armoured aluminium conductor complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement cable jointing kit for 11 HV (earthed) grade cable straight through jointing kit suitable for 11 KV (E) 120sqmm x 3core XLPE armoured aluminium conductor complete all as specified and directed by Engineer-in-Charge.

Cutting trimming tree branches not exc 10cm grith which touches the LT/HT OH lines upto 3mtr on each side from centre line of HT/LT OH line, span not exceeding 60 mtrs between poles and disposing the tree branches/leaves at 100 m distance away from site complete all as specified and directed by Engineer-in-Charge. Note:- Any number of tree branches cut in one span will be measured as one length for payment purpose.

M&L for preperation of old painted steel surface of 4/2 pole structure, HT/LT street light/HT steel tubular poles 8.5/9.0 mtr long above GL/coping including cross arms,channels,Flat iron,Clamps in LT/HT OH line by scraping with wire brush and applying one coat of aluminium paint including pole numbering complete all as specified and directed by Engineer-in-charge.

M&L for Preperation of old painted steel surfaces of installation desplay boards of any discription over 10 cm width/grith and applying one coat of synthetic enamel paint all complete all as specified and directed by Engineer-in-Charge.

M&L writing letter figures (Block, raman, italic or Indian) n. exc 30 cm high (per CM hight) complete all as specified and directed by Engineer-in-Charge.

S&F ACSR conductor(Ferret) jumper connections of following lengths both ends secured with suitable aluminium lugs or one end with AI lugs and other end plain for binding with conductor encased with polythylene pipe ,RYB colours of suitable dia complete all as directed for:-

Not exceeding 0.75 mtr length.

Exceeding 0.75 mtr length but not exceeding 1.5 mtr length.

Exceeding 1.5 mtr length but not exceeding 2.5 mtr length.

Exceeding 2.5 mtr length but not exceeding 3.0 mtr length.

S&F in repalcement GI pipe,light grade,20 mm dia made to shape for operating GoD from ground complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement Galvanised steel wire 3.15 or 4 mm dia complete all as specified and directed by Engineer-in-Charge..

S&F in repalcement Cradles,hexagonal /rectangular,fabricated with galvanised steel wire complete all as specified and directed by Engineer-in-Charge..

S&F in repalcement for numerical digital over current and earth fault relay operated on 30VDC/110VAC of any make installed in VCB panel for protection against short circuit and earth fault,testing ,commissioning and submitting test report on proper format complete all as specified and directed by Engineer-in-Charge.

S&F in repalcement Special factory made earthing electrode comprising of Hot dipped galvanized MS flat inserted in to GI pipe of 88mm bore (outer), 3m length, filled with non magnetic anti corrosive material specially developed for ground resistance enhancement power around the electrode to retain moisture conforming to IS 3043 including necessary boring in ground of 200 mm dia in any type of strata connecting to test point all as specified and directed (the earth resistance shall be less than 3 Ohms. Contractor shall improve the earthing resistance within the permissible limit without any extra cost" complete all as specified and directed by Engineer-in-Charge.

M & L For disconnecting, opening, draw out VCB trolley complete from its position after isolating safety from contacts of breakers for inspection, checking and re installing testing commissioning of same after carryout following repair work and replacement of unserviceable spares complete all as directed and specified by OEM:- (i) Checking of Draw out mechanism/arrangement of VCB (ii) Inspection of isolating Contacts, and decarburizing the male /female contacts, jaws complete and replacement of worn out contacts if any. (iii) Checking of alignment with spout and setting of contact gaps, (iv) Replacement of worn out/defective minor spares parts, lubrication of moving parts of the truck by moly grease. (v) Checking/setting of master control relay, earth fault realy and overload realy. (vi) Replacement of burnt out spring charge motor. (vii) Replacement of Closing Coil 30V DC. (viii) Replacement of tripping Coil 30V DC. (ix) Replacement of top spout with Busbar. (x) Replacement of Bottom spout with Busbar. (xi) Replacement of power pack. (xii) Replacement of Push button for open and Close, micro switches, indication lamps. (xiii) Decarburizing and reinsulation of complete busbar track system complete in all respect. (xiv) Misc works deemed essential to make VCB in perfectly working order. NOTE: Major spare parts are to be paid separetly under respective items here in after , however cost of minor spares shall be deemed to be included unit rate of this item.

Supply only following spare parts suitable for 30 VDC/ 110VAC to be incorporated under item No 33 above:-

Spring charge motor -

Closing Coil 30V DC

Tripping Coil 30V DC

Top spout with Busbar 11 KV.

Bottom spout with Busbar 11KV.

Power pack

Push button for open and Close.

Indication lamp

Bus support insulator

Isolator contact

Spout insulator

S&F in replacement Lead Acid battery bank consisting of heavy duty 2 VDC, 60 AH battries for sub station application to be used for operating controls connected as battery bank of 30 VDC each 2 VDC, 60 AH x15 Battries in series) connected with suitable rating of copper conductor wire , battery terminals, float for monitoring of electrolite level, complete placed and mounted in space / wooden/ fibre battery mounting stand anti corrosive complete duly connected and tested with battery charger complete all as specified and directed by Engineer-in-Charge.

S&F in replacement for primary and secondry injection testing of existing CT's set of three any type any capacity installed in VCB's located at different sites and providing authentic test results for further necessary action complete all as specified and directed by Engineer-in-Charge.

S&F in replacement in repairs Current Transformer dual ratio of rating 100/50/5A , 22 KV pressure epoxy cast resin complete duly intalled, commissioned, connected and tested at site complete all as specified and directed by Engineer-in-Charge.

S&F in replacement digital voltmeter 95mm x 95mm for measuring incoming voltage at VCB operated with Potential transformer , installed in existing space with minor modifications complete all as specified and directed by Engineer-in-Charge.

S&F in replacement digital multifunction ammeter CTR -/5A comensurating with existing CT's, 95mmx95mm for measuring current load at VCB operated with , installed in existing space with minor modifications complete all as specified and directed by Engineer-in-Charge.

Surface excavation in hard/dense soil for taking out sand and pebbles for and including removing vegetation and bushes not exceeding 30 cm deep and averaging 15cm deep and getting out in sub stations complete all as specified and directed by Engineer-in-Charge.

M&L for spreading stone aggregates /hardcore of guage not exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick over sand layer including proper levelling complete all as directed by Engineer-in-charge. --------------------------------------------------------------------------------------------------- Note : A sum of Rs. 83,995.00 will be deducted on account of credit for dismantled/ demolished / taken down material. Please refer details on Srl Page No. 24(R ) (Schedule of Credit) of Tender document

Ganganagar Enterprises

HARSH CONSTRUCTION CO.

GURDEEP SINGH AND COMPANY

M/S SHREE SHYAM TRADERS

Gyan Chand Marothia Engineer Contractor And Suppliers

Aggarwal brothers and company