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electrical sub station expansion including supply installation testing and commissioning of various electrical items 2 g.i. plate earthingearthing with g.i. earth plate 600 mm x 600 mm x 6 mm thick including accessories like gi earth strip 12 0 long size 50x5mm and providing masonary enclosure ( 300mmx300mmx300mm clear ) with ci cover plate having locking arrangement and watering pipe of 2.7 meter long, funnel, funnel dummy cover threaded etc. with charcoal / coke and salt as required. ( trf. body 2, main lt panel body 2 ) 3 copper plate earthingearthing with copper earth plate 600 mm x 600 mm x 6 mm thick including accessories like cu earth strip 12 0 long size 50x5mm and providing masonry enclosure ( 300mmx300mmx300mm clear ) with ci cover plate having locking arrangement and watering pipe of 2.7 meter long, funnel, funnel dummy cover threaded etc. with charcoal / coker and salt as required. ( trf. neutral 2 + 2 ) 4 providing and fixing 50 mm x 5 mm copper strip on surface or in recess for connections etc. as required. ( for transformer neutral ) 5 providing and fixing 50 mm x 5 mm g.i. strip on surface or in recess for connections etc. as required. ( transformer body, main lt panel & sub panels ) 6 dwc hdpe pipesupplying and laying of folowing size dwc hdpe pipe isi marked along with all accessories like socket, bend, couplers etc. conforming to is 14930, part ii complete with fittting and cutting, jointing etc, direrct in ground ( 75 cm below ground level ) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. complete as required. 7 double walled corrugate hdpe pipe ( od 90 mm & id 76 mm outer / inner dia ) 8 double walled corrugate hdpe pipe ( od 180 mm & id 152 mm outer / inner dia ) 9 section b 10 11kv ht system: 11kv, ht cable 11 supply, testing & commissioning of circular aluminium conductor, conductor screened with extruded semiconducting compound, xlpe insulated, insulation screened with extruded semiconducting combination in combination with copper tape ( 0.3ka for 1 sec. ) cores laid up, frls pvc inner sheathed, galvanised steel strip armoured and overall frls pvc sheathed cable confirming to is : 7098 ( part 2 ) , 2011, working voltage 11kv ( e ) grade size 3core 240sqmm 12 s / i / t / c of heat shrinkable cable end termination joint kit for 11kv ( e ) , xlpe cable as approved by enginner incharge of the site : 13 heat shrinkable end termination kit 3c x 240sqmm ( out door type ) 14 heat shrinkable end termination kit 3c x 240sqmm ( in door type ) 15 misc items for sub staion 16 supply and fixingofsafety instruction chart in word duly framed with 5 mm thick glass as required. ( approx. front area 1.20 sq mtrs. ) 17 supply & fixing shock treatmernt chart duly mounted on a wooden frame with 5 mm thick glass as required. ( approx. front area 1.20 sq mtr ) 18 provding & fixing of rubber mat with ( bottom side of mat shall anti skid type ) of size 1 mtr wide x 5 mtr long, laid in front and back side of the panels. thickness of the mat shall be 2.5 mm thick to withstand 11 kv dielectric strength as per is is 15652 : 2006, superseding is 5424 :1969 old standard ( colour black / blue ) isi engrved 19 providing first aid box as approved bt st. john ambulance brigade / indian red cross conforming to is 2217 :1963 ( main lt panel room 1 & wh panel room ) 20 2000kva transformer as per is 1180, level ii ( after ist april level i ) desgn, manufacture, supply, loading, transportation to siteof 2000kva, 11kv / 433volts, 3 phase, 50hz, delta / star connected, outdoor type distribution transformer with ( oltc ) on load tap changer ( tap changer shall be with manual & auto option ) , oil immersed, onan cooled, complete with all fittings such as oil conservator, silica gel breather, thermometer, explosion vent, diagram and rating plate, magnetic oil gauge ( alarm contact ) , oil temperature indicator ( alarm & trip ) , winding temperature indicator ( alarm & trip ) and buccholtz relay ( alarm & trip ) , pressure relief valve with ( alarm & trip contact ) , wiring upto marshalling box with copper armoured cable and cables shall be properly secured, cablesshall be terminated withdouble compressed cable glands, lifting lugs, first fill of oil ( brand new oil shall be used ) , weather proof ht cable box suitable for termination of 3c x 240sqmm xlpe insulated cable andlt side cable box and coppper bus shall be suitable for termination of 10r x 4c x 400sqmm, solid copper neutral through bush shall be brought out for earthing, gland plate shall be non magnetic material & 8mm thick etc. the oltc shall be provided with rtcc & avr control box, oltc shall have 17position steps+5% to 15% in the 1.25% per step increase or decrease. the oltc also have the arrnagement for manual operation with help og handle.complete as per specifications including 5% extra oil in non returnable drum for topping up as required. refer is 2026 part i to v for power transformer and for oil is 335 ( the transformer shall be completely type tested as per relevant standard and vendor shall submit all ttr to client for review and approval ) , all routine test / acceptance tests shall be performed as per reference standard at works and at site and all test cerfificates shall be provided to the client ) . break down value ( bdv ) at the time of commissioning ( bdv shall bein the scope of contractor including erection, control & power cabling ) . all site tests & commissioning shall be as per is code are in the scope of supplier, complete in all respect as required.owner has right to witness the testing of transformer and for this supplier to submit qap along with documents required to be approved and provide the date for witnessing the testing before dispatch. 21 note : 1.site testing and commissioning shall be in scope of supplier.however electrical contractor to provide labour for assistance during testing.2. bdv is less than required value ( 30kv ) electrical contactor has to carry out the de hydration of transformer oil.make of transformer: schneider, cgl, voltamp, kirloskar make of oltc: ctr 22 vector group: dyn 11 23 insulation class: b 24 windings : copper wound 25 on load tap changer ( oltc ) : +5% to 15% in 17 step and per step 1.25% increase or decrease 26 input voltage: 9 to 12kv, 3?, 50hz 27 output voltage: 433volts, 28 ambient temperature 50°c 29 temperature rise above ambient temperature: as per is 1180 30 impedance : as per is : 2026 31 terminal arrangement cable box ( hv ) : 1r x 3c x 240sqmm 32 terminal arrangement cable box ( lv ) : 10r x 4c x 400sqmm 33 all other standard accessories like name plate, rollers, lifting hook, oil indicator window / guage etc. complete as per respective standards. 34 wti, oti, bucholz alarm & trip and pressure relief valve with alarm & trip, oil level low alarm with alarm & trip contact 35 transformer oil de hydrationtransformer to be dehyrated if the bdv value is less then 35kv at 2.5mm distance while testing oil temperature shall be normal. minimum 3 samples shall be tested from the same source, after de hyderation bdv shall not be less than 50kv. dehyderation shall be inthe scope of electrical contrctor. 36 removing of existing 630kva transformerdisconnect all cables , remove from the existing location / foundation, shift / transport from foundation to store located within verka premises ( asper owner guidance ) including packing with polythene sheet and disconnecting all cables, cts in the 630kva transformer vcb. 37 removing, shifting of existing 1000kva transformerdisconnect all cables, remove, shift / transport the 1000kva existing transformer from existing location / foundation to the site of 630kva transformer ( asper owner guidance ) includingdisconnecting all cables, ct in vcb, oltc / rtcc and re installation, testing ( required at site before commissioning ) , connecting all ht, lt & control cables between transformer, vcb & oltc / rtcc.including ct required for apfc relay 1600 / 5a, cl 1.0, burden 10va. complete in all respect as required by the engineer incharge of the site. 38 11kv ct for 2000kva transformers / i / t / c of 11 kv ct as per existing ericon makenasik 10, ratio 120 / 1, cl 1.0, 5va, stc 21.0ka / 30sec. to be installed at 11kv rmu / sf6 for 2000kva transformer. including existing ct shall be disconnected, removed & insert / fix new ct, re connect all terninals to make operational. the old ct shall be handed over to client duly packed polythien sheet for storing. complete in all respect as required by the engineer in charge of the site. 39 11kv ct for 2000kva transformers / i / t / c of 11 kv ct as per existing ericon makenasik 10, ratio 120 / 1a, cl 5p 10, 10va, stc 21.0ka / 3sec. to be installed at 11kv rmu / sf6 for 2000kva transformer. including existing ct shall be disconnected, removed & insert / fix new ct, re connect all terninals to make operational. the old ct shall be handed over to client duly packed polythien sheet for storing. complete in all respect as required by the engineer in charge of the site. 40 1000kva transformer apfc paneldisconnect, shift, install, testing & commissioning of apfc panel at approx 10mtr away within sub station building, connect all power & control cable including earthing the panel. the same shall be commissioned at new location for the 1000kva transformer which is being shifted inplace of 630kva transformer. complete in all respect as required by the engineering incharge of the site. 41 section c 42 ection c _ lt power cables and control cables 1.1kv aluminium conductor power cables ( direct burried ) supply, handling, shifting, laying, testing and commissioning of the aluminium / copper conductorxlpe insulated, pvc sheathed, armoured and served cable 1100v grade as per is : 7098 ( part 1 ) 1988 and is 1554 ( part 1 ) for pvc insulated cables to be laid in 0.75 meter below ground level [ excluding excavation, sand cushioning ( 1 sand below & 4 above the cable ) covering with sand and first class bricks and back filling the trench etc. ] of the required size as per pwd general specifications. power & control cables shall be segregated by using brick and one cable dia spacing shall be maintained between the cables. 43 3.5c x 400 sqmm a2xfy cable 44 2c x 2.5 sqmm cu. ( ywy ) cablefor power supply to marshalling box 45 4c x 2.5 sqmm cu. ( ywy ) cable ( for power supply to oltc / rtcc ) 46 12c x 1.5 sqmm cu. ( ywy ) cable ( for vcb to tr marshalling box and rtcc to oltc ) 47 1.1kv aluminium conductor power cables ( in trench ) supply, handling, shifting, laying, testing and commissioning of the aluminium conductorxlpe insulated, pvc sheathed, armoured and served cable 1100v grade as per is : 7098 ( part 1 ) 1988 and is 1554 ( part 1 ) to be laid in existing trench / pipe of required size etc., as per pwd general specifications : 48 3.5c x 400 sqmm a2xfy cable 49 2c x 2.5 sqmm cu. ( ywy ) cablefor power supply to marshalling box 50 4c x 2.5 sqmm cu. ( ywy ) cable ( for power supply to oltc ) 51 12c x 1.5 sqmm cu. ( ywy ) cable ( for vcb to tr marshalling box and rtcc to oltc ) 52 al. conductor cable end termination supply & erection of heavy duty double compression gland for end termination of xlpe insulated, pvc sheathed, frls cable, duly complete with check nuts, al. lugs ring / pin / bottle type etc. including making necessary connections. complete in all respectas required : 53 3.5c x 400 sqmm a2xfy cable ( 82mm ) 54 cu conductor cable end termination supply & erection of heavy duty double compression gland / ph pvc glands for end termination of xlpe insulated, pvc sheathed cable, duly complete with check nuts, cu. lugs ring / pin / bottletype etc. including making necessary connections. complete in all respectas required : 55 2c x 2.5 sqmm cu.2xwy cable ( 19mm ) 56 4c x 4.0 sqmm cu.2xwy cable ( 19mm ) 57 12c x 1.5 sqmm cu.2xwy cable ( 28mm ) 58 removing of directburried cableordinary soil removing of existing direct burried power / control cable at 0.75mtrsdepth in ordinary soil of size 8r x 3.5c x 300sqmm.excavation has been considered in excavation item no. 5.01. the cables shall rolled & tied properly and stored in store as per direction of the engineer in charge of the site. 59 section d_ lt panels:lt pane 60 section d_ lt panels: lt panels supply / receiving / handling / erection / testing & commissioning of cubicle type ( bolted & modular construction ) panels, fabricated out of 1.6 mm / 2mm ( all load bearing member& doors shall be 2mm andother parts shall be 1.6mm ) rust inhibited crca sheet steel, 7 tank treated sheets and powder coated shall be complete with incoming and out going feeders, electrolytic grade ( e91 ) aluminum bus bar, duly insulated with heat shrinkable pvc colour coded sleeves, shrouders ( shrouding shall be provided between top & bottom feeder ) , bus bar droppers, supported on dmc / smc insulators.panel construction shall be cpri approved and full proof protection from dust, water, humidity, fire, vibrations, temerature, variations, pull tension, noise, entry of rodent etc. ( as per relevant is standard ) , with heavy duty neoprene gaskets. the floor mounting panels shall be provided with mounting channels not less than 75mm x 75mm x 5mm thick of size. panels shall have aluminum earth bus through out the panel, the panel shall be provided with name / designation plate for all incoming / outgoing feeders, danger plate, door steel locks etc. the key should be common for all compartment / doors. the doors of compartment should not open when switch is in on position and provision of de interlock facility shall be provided. internal control / power wiring of the panel shall be carried out with lszh insulated copper conductors pvc insulated. all tests shall be carried out as per relevant is standard in presence of client or his representative and all tests certificates shall be submitted to the client in original duly signed by concerned authority. 61 general note for contractor 62 the rates for all these items under the following heads should include all necessary items and equipments as required. 63 assembling loose components of the various equipment as per manufacturers instructions or as per advise of engineer in charge 64 bonding onto masonry / concrete work including cutting / drilling holes through walls / floors and grouting with cementmortar 1:2:4 ( provide the finish level ) 65 providing all fixing accessories such as nuts, screws, bolts, anchor fastners etc. as required. 66 effecting adequate and proper connections to the main earthing stations ( as per is 3043 ) 67 touching up all damaged paint over equipment with same type shade and painting the ms angle , c channels etc. with two coats of red oxide & two coats offinishingapproved synthetic enamel paint. 68 all items listed in the boq shall be of approved make only as per tender. 69 any unspecified item shall be as per approval of consultant / architect / owner. 70 all digital meters shall have rs 485 port 71 all panels / cubicle shall be provided with sufficient number of space heaters ( 80 watts ) controlled by thermostate and mcb 72 all wires used in the panel shall be multistranded copper conductor lszh insulated, 1100v grade. 73 ct, pt & earth wires shall be 2.5sq.mm copper conductor, lszh, pvc insulated and control wiring not less than 1.5sqmm, lszh, pvc insulated, copper conductor shall be used.color coding shall be as per the is standard. power wiring shall be of suitable rating with lszh, pvc insulated, copper conductor multistrand. all wires used in the panel shall be lszh and class of pvc insulation shall withstand 105°c. 74 note : any item seems to be missing and needed for smooth running / functioning of the system shall be treated as included and no extra price will be paid for the same. 75 aluminium busbar shall be electrolytic grade e91. busbar shall be duly covered with heat shirankable pvc insulated coloured sleeve. neutral bus shall be equal to the phase bus. current density for aluminum bus shall be consider as 0.8a / sq.mm 76 acb make & model nos.: l&t model u power omega, fp, 50ka, m / p with mtx4.5 release, schneider mvs, fp, 50ka ( 6v release ) , siemens model 3wt ( etu 37wt release ) , fp, 50ka. abb ( emax ) fp, 50ka release pr 123, all acb shall be with terminal adaptor on both sides. dg feeder shall have external reverse power relay. 77 m / p based mccb make : all mccb`s with m / p based and having o / l, s / c & e / f protection l&t model d sine, schneider model cvs, siemens model 3va, abb model tmax. ics=icu=100% 78 tmd based mccb make : all mccb`s with tmd based and having o / l, s / c protection l&t model d sine, schneider model cvs, siemens model 3va, abb model tmax. ics=icu=100% 79 all settings of relay / releases of acb / mccb shall be set as per the requirement of the site and it will be in the scope of manufacturer through contractor. 80 the bus bar supports shall be on cast epoxy / resin / fiber glass insulator / dmc and sized as per cpwd specifications. the live parts of the panel shall be shrouded / covered by un breakable polycarbonate sheet with suitable warning stickers 81 all ct`s shall be cast resin type, for metering cl 0.5, burden 15va, & for protection cl 5p10, burden 15va, 82 contactor to submit the original test certifcate to owner from nabl or their authorized laboratory for all components / equipments / instrument tested at lab in presence of owner / or his representative and tta certificate from oem including photocopy of bills for switchgear / instument / equipment with all technical data / cat no. etc. 83 contactor to maintain the site neat & clean and all debris to be cleared from the site on completion of day work before leaving the site. 84 main lt panel 85 incomer transformer ( ptta ) 86 phase indicators led r y b with hrc fuse / mcb 01 set 87 neutral link 16a 01nos 88 16a fp mcb, 10ka, curve c for dg& rtcc supply 03nos 89 surge protection device 3p + n ( withdrable ) in confirmation with iec 61643 11 / 2011 t2 and en 61643 11 type 2 having inbuilt health indicator, response time <25ns, imax 8 / 20micro sec 70ka, operating voltage ( uc ) 340v, level of protection, up 1.0 2.0kv including25a, mccb, tpn, 36ka, adj. tmd 01set 90 40kvar, heavy duty, box type, 480v capacitor bank ( loss 0.2w / kvar ) with 100a, tpn mccb, 50ka, adj. tmd including roh, spreaderwith on / off led indicators including suitable ratings mcb, 10ka, curve c for control system 01set 91 3200a fp acb, edo, 50ka, with microprocessor based protectionwith o / l, s / c & e / f, ( lsing ) icu = ics = icw =100%, termination through copper tinned coated adaptor terminals on both side . ( i / c & o / g ) of breakers 01 nos 92 on, off, trip, sc & tch led indication with required rating nos mcb, 10ka, curve c, 01set 93 tnc switch 25amp. 01nos 94 electrical & mechanical interlocking accessories as required 01set 95 ctr 3200 / 5, burden 15va, class 1.0 for metering & apfc relay 06nos 96 digital multifunction meterhavingrs 485 port ( v, a, hz, pf, kwh, kva, thd, kvah ) having ass & vss provisions. class 1.0.ref. model l&t 4420 series or equivalent 01nos 97 2key + 2 castle lock 01set 98 incomer dg 99 phase indicators led r y b with hrc fuse / mcb 01 set 100 neutral link 16a 01nos 101 2000a fp acb, edo, 50ka, with microprocessor based protectionwith o / l, s / c & e / f, ( lsing ) icu = ics = icw =100%, termination through copper tinned coated adaptor terminals on both side . ( i / c & o / g ) of breakers 01 nos 102 on, off, trip, sc & tch led indication with required mcb etc. 01each 103 tnc switch 25amp. 01nos 104 electrical & mechanical interlocking accessories as required 01set 105 ctr 2000 / 5, burden 15va, class 1.0 for metering 03nos 106 digital multifunction meterhavingrs 485 port ( v, a, hz, pf, kwh, kva, thd, kvah ) having ass & vss provisions. class 1.0, ref. model l&t 4420 series or equivalent 01nos 107 8 window annunciator with accept, reset & test options and flashing window for all faults occurred. 01nos 108 reverse power protection relay 01nos 109 amf relay with all accessories for auto start / stop of dg set including all required indications ( dg running / fail to start, etc ) on the panel. also provision shall be provided for manual dg start / stop of dg set 01nos 110 20a battery charger having boost, float & trickle charge options with led indications & all needful protections including 0 30adc ammeter, 0 30volt dc voltmeter and suitable rating incoming / out going mcb 111 bus bar 112 aluminium busbar 3200 amp, tpn with colour coded sleeves, aluminium grade e 91, neutral bus shall be half of the phase and currenty density 0.8amp per sqmm. 113 out goings 114 2500a fp acb, edo, 50ka, with microprocessor based protectionwith o / l, s / c & e / f, ( lsing ) icu = ics = icw =100%, termination through copper tinned coated adaptor terminals on both side . ( i / c & o / g ) of breakers 01 nos 115 on, off, trip, sc & tch led indication with required mcb etc. 01each 116 tnc switch 25amp. 01nos 117 ctr 2500 / 5, burden 10va, class 1.0 for metering 03nos 118 digital multifunction meterhavingrs 485 port ( v, a, hz, pf, kwh, kva, thd, kvah ) having ass & vss provisions. class 1.0, ref. or l&t 4420 series or equivalent 01nos 119 1600a fp acb, edo, 50ka, with microprocessor based protectionwith o / l, s / c & e / f, ( lsing ) icu = ics = icw =100%, termination through copper tinned coated adaptor terminals on both side . ( i / c & o / g ) of breakers 02 nos 120 on, off, trip, sc & tch led indication with required mcb etc. 02each 121 tnc switch 25amp. 02nos 122 ctr 1600 / 5, burden 10va, class 1.0 for metering 06nos 123 digital multifunction meterhavingrs 485 port ( v, a, hz, pf, kwh, kva, thd, kvah ) having ass & vss provisions. class 1.0, ref. model l&t 4420 series or equivalent 02nos 124 1250amp. fp, mccb, o / l, s / c & e / f 50ka with microprocessor based release, ics = 100% icu, including in built neutral o / l protection, front led indication, extended rotary handle, spreaders, 3nos 1250a ct`s, cl 1.0, resin cast, digital multifunction meter ( vif ) having ass & vss provision ref model l&t 4110 or equal 01set 125 power monitering cubical 126 a cubicle to be provided in the panel of suitable size and terminate the2 x 1.0 sqmm copper shielded ( inner & outer ) cable from port 485 of each digital meter to the cubical designrd for purpose of power monitoring. the job involves wiring, termination on both ends duly ferruled as per requirements at site including 2.5sqmm terminals, din bar including 2 x 6a modular switch sockets multipurpose type & 2nos rj 45 io socket suitable for 10gb with cover plates etc. 127 all copper wire used shall be lszh 128 510kvar ( effective output kvar ) capacitor bank panel 129 incomer 130 phase indicators led r y b with hrc fuse / mcb 01 set 131 neutral link 16a 01nos 132 ctr 1250 / 5, burden 10va, class 1.0 for metering 03nos 133 digital multifunction meterhavingrs 485 port ( v, a, hz, pf, kwh, kva, thd, kvah ) having ass & vss provisions. class 1.0, ref. model l&t 4420 series or equivalent 01nos 134 capacitor banks 135 5kvar, 480volts, heavy duty, apptype double layer capacitor bank, ( loss 0.2w / kvar ) 01set 136 10kvar, 480volts, heavy duty, apptype double layer capacitor bank, ( loss 0.2w / kvar ) 01set 137 20kvar, 480volts, heavy duty, apptype double layer capacitor bank, ( loss 0.2w / kvar ) 01set 138 25kvar, 480volts, heavy duty, apptype double layer capacitor bank, ( loss 0.2w / kvar ) 03set 139 50kvar, 480volts, heavy duty, apptype double layer capacitor bank, ( loss 0.2w / kvar ) 08set 140 capacitor duty contactor 141 capacitor duty contactor suitable for 5.5kvar 01nos 142 capacitor duty contactor suitable for 12.5kvar 01nos 143 capacitor duty contactor suitable for 25kvar 01nos 144 capacitor duty contactor suitable for 33.1kvar 03nos 145 capacitor duty contactor suitable for 66.2kvar 08nos 146 misc. items 147 3 phase apfc relay mocroprocessor based 14 +2 steps ( ref. l&t model etacon or equal ) 01nos 148 on / off ledindicators red & green with push button suitable rating mcb and neutral link etc 14set 149 16a, auto / manual selector switch 14nos 150 on / off delay timer for manual operation of capacitor unit for providing discharge delay time 14nos 151 exhaust / cooling fans ( with standby fans ) for above of suitable rating ( control with thermostat ) asper required calculations 152 tp mccb 153 25amp. tp, mccb, 25ka with tmd, extended roh, spreaders and ics = 100% icu, 01set 154 40mp. tp, mccb, 25ka with tmd, extended roh, spreaders and ics = 100% icu, 01set 155 63amp. tp, mccb, 25ka with tmd, extended roh, spreaders and ics = 100% icu, 01set 156 80amp. tp, mccb, 25ka with tmd, extended roh, spreaders and ics = 100% icu, 03set 157 125amp. tp, mccb, 25ka with tmd, extended roh, spreaders and ics = 100% icu, 08set 158 all copper wire used shall be lszh 159 section e 160 section e _ cvil work: cleaning of existing cable trench cleaning of existing cable trench from all types filth material and make sure no material makes entry within the cable trench, the job involves sludge suction pumping machine, related tools & tackles etc. size approx 12m x 1m x 1m approx. compte in all respect as required. 161 excavation for trenchearth work in surface excavation upto 1.5mtrsdepth in ordinary soil including compaction & re filling of earth and removing of extra soil within distance of 100mtrs.the contractor to take all required pre cautions while working at site since job to be carried out in working sub station area. size / marking for excavation will be provided at the time of work. the work shall be carried out as per punjab govt. pwd specification. complete in all respect as required by the engineer in charge of site. 162 pre cast concrete ( pcc ) pre cast cement concrete in the ratio of 1:4:8 ( 1 cement : 4 coarse sand : 8 graded stone aggregate of 20 40mm nominal size ) . pcc thickness shall be minimum 100mm.size / marking for pcc will be provided at the time of work. the work shall be carried out as per punjab govt. pwd specification. complete in all respect as required by the engineer in charge of site. 163 brick masonary workbrick masonary work in ratio 1 : 5cement mortar with first class burnt bricks in foundation as per given design. the work shall be carried out as per punjab govt. pwd specification. complete in all respect as required by the engineer in charge of site. 164 plastering of wall providing and applying cement plaster in a ratio of 1 : 3 ( 1 cement : 3 coarse sand ) in cable trenches with curing etc. the work shall be carried out as per punjab govt. pwd specification. complete in all respect as required by the engineer in charge of site. 165 equal angle 75 x 6mmsupply, cutting, welding, grinding including welding set welding rod, cutter and all other tools required to fabricate out of the m.s. equal angle of size 75 x 6mm, as per given design for fixing on top of trench wall towards inner side including grouting arrangement ( baira ) . the equal angle top shall be in level with the finished floor. complete in all respect as required by the engineer in charge of the site. 166 chequer plate 6mm thickupply, cutting, welding, grinding including welding set welding rod, cutter and all other tools required to fabricate out of the m.s. chequer plate 6mm thick as per given design for fixing on top of open area of trench. the chequer plate shall have lifting arrangement. complete in all respect as required by the engineer in charge of the site. 167 coarse sandsupply & spreading of coarse sand for providing cushioning to direct burried cables 168 brickssupply & laying of first class bricks for covering / protection ( bricks shall be provided in the horizontal manner over the cable ) of direct burried cables 169 providing, laying and fixing 300mm dia rcc pipe np2 class ( heavy duty ) in ground complete with rcc collars, jointing with cement mortar 1 : 2 ( 1 cement : 2 fine sand ) at a depth of 75cm. ( excavation considered in itm no. 5.10 ) 170 excavation for trench in metaled roadearth work in surface excavation upto 1.5mtrsdepth in metaled road area including compaction & re filling of earth and removing of extra soil within distance of 100mtrs.the contractor to take all required pre cautions while working at site since job to be carried out in working sub station area. size / marking for excavation will be provided at the time of work. the work shall be carried out as per punjab govt. pwd specification. on completion of work contractor to made road as it was with help pre mix material. complete in all respect as required by the engineer in charge of site....
Due Date : January 17, 2023
Tender Value : ₹ Ref. Documents
