Pdg. 250 KVA Sub Station in Govt. I.T.I. at Gudha in Distt. Jhajjar.

Amount

6.6 Earth work in excavation in foundations, trenches, etc. in all kinds of soils, not exceeding 2 metres depth including dressing of bottom and sides of trenches stacking the excavated soil, clear from the edge of excavation and subsequent filling around masonary, in 15 cm layers with compaction, including disposal of all surplus soil, as directed within a lead of 30 metres.

10.40 Cement concrete 1:3:6 with stone aggregate 20 mm nominal size foundation and plinth.

10.26 Cement Concrete Cement concrete 1:8:16 with brick ballast 40 mm nominal size in foundation and plinth.

10.41 Cement concrete 1:2:4 with stone aggregate 20 mm nominal size in foundation and plinth.

11.2 First class brick work laid in cement sand mortar 1:6 in foundation and plinth.

15.6 12 mm thick cement plaster 1:5.

(c) Moulded case Circuit breakers. 31.12 (c) Supply and erection of moulded case circuit breakers on wall or on existing pedestal including bonding to earth and necessary connections.

31.12 c (i) 15 amp.to 60 amp. 415 V ,10 KA 3-phase.

31.12 c (ii) 100 amp.to 220 amp.415 V,10 KA 3-phase.

31.12 c (iii) 250 amp. 415 V , 35 KA 3-phase.

31.12 c (iv) 300 amp. to 400 amp. 415 V , 35 KA 3-phase.

(P) Pipe Laying. 31.21 Supply and erection of pipe for wiring purposes including bends inspection boxes etc. where necessary and painting as required.

31.21 (vii) Galvanised iron pipe 65 mm dia on surface.

31.22 (Q) Earthing

31.22(iii) Earthing with GI earth plate 600 mm x 600 mm x 6 mm thick including accessories and providing masonry enclosures with cover plate having locking arrangement and watering pipe etc. ( but without charcoal or coke and salt ) complete as equired.

31.22(iv) Earthing with tinned copper earth plate 600 mm x 600 mm x 3 mm thick including accessories and providing masonry enclosures with cover plate having locking arrangement and watering pipe etc. ( but without charcoal or coke and salt ) comlete as equired.

31.22(v) Extra for charcoal or coke and salt for G.I. Plate or copper plate earth electrode.

31.22(x) Pdg. and fixing 25 mm x 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode as required .

31.22(xi) Pdg. and fixing 25 mm x 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode as required .

31.22(xiv) Pdg. and fixing 25 mm x 5 mm copper strip on surface or in recess for connections etc. as required with all labour and material.

31.22(xv) Pdg. and fixing 25 mm x 5 mm G.I. Strip on surface or in recess for connections etc. as required with all labour and material.

31.26 Supply and erection of under ground cable ,loose in existing pipe or trenches complete with necessary connections .

31.26 (xxx) Ard. 120 Sq. mm 3.5 Core Cable .

31.28 Supply and erection of suitable compression type brass cable glands for underground Cable.

31.28 (v) 120 Sqmm to 185 Sqmm Cable 3 to 3.5 Core

(T) Street Light. 31.30 (VI) Supply and erection of prestressed cement concrete pole as per IS : 1678-1960.

31.30 (VI) (ii) 9 metres long 105 mm x 115 mm at top and 105 mm x 315 mm at bottom with working load of 200 Kg. burried 1.80 m in ground.

31.63 Supply installation testing and commissioning of wall/free standing floor mounting dust & vermin proof compartmentalized cubical panel made out of 2mm thick CRCA sheet, required hardware 3mm thick bakelite sheet provided all along the bus bar cable alley separating switches compartment and supporting cutable channel duly painted by 2 coat of Zinc/ Red Oxid primer having PU/Neoprene rubber gasket of not less than 3mm thickness separate detachable gland plate MS base channel hinged door with inter locking arrangement for equipment/switch wear. Transparent acrylic sheet shall be provided in front of bus bar compartment to prevent direct access to bus bar bakelite sheet 3 mm thick for separately cable alley to BBC from switch chamber Extended solid copper bars up to cable alleys shall be provided for outgoing connection which shall be paid as extra items. Side walls and cable alley comartments shall be having bolted type doors with detachable extension type structure. The panel will be complete with control wiring (Copper) and fuse protection. (Only outer area on all sides shall be measured)

31.64 Supplying and fixing of copper bus bar duly tinned by means of SMC/DMC type insulator high tensile nuts and boltes spring washers fixing to same in existing panel including bending, cutting in required shape and size and insulation with colour coding heat shrinkable PVC insulation Complete in all respect.

31.66 Supply & fixing of rotary handle for on/off operation of existing MCCB in the LT panel including fixing the same in position with all labour and material requied to complete the job in all respect.

(i) Rotary handle upto 125 Amp. MCCB

(ii) Rotary handle above 125 Amp. MCCB

31.67 Supply and erection of mark double walled corrugated (DWC) HDPE pipe laid 1Mtr. Below ground level including diging and refilling of earth including cost of sutiable size socket/cuppler for HDPE pipe including the cost of labour and material required to complete the job in all respect upto the entire satisfaction of Engineer-in-Charge of the work.

(ii) HDPE pipe 145/123 mm outer dia/inner dia.

31.71 S/E of XLPE (E) 11 KV HT aluminum conductor armoured cable ISI marked laid in existing pipe / trenches / surface with all labour and material required to complete the job in all respect upto the entire satisfaction of Engineer-incharge of the work

(iv) 50 Sq. mm 3 Core XLPE Cable .

31.72 Supply and erection of heat shrinkage type end termination jointing kit indoor type of suitable to accommodate 3 core 11 KV XLPE aluminum cable/ ABC cable complete with all the kit contents including earth continuing connection along with 3 nos. crimpling type aluminum lugs of suitable capacity including making joining etc complete in all respect.

(i) Suitable for 16 to 50 sqmm 3 core XLPE Cable

31.73 Supply and erection of heat shrinkage type end termination jointing kit outdoor type of suitable to accommodate 3 core 11 KV XLPE aluminum cable/ ABC cable complete with all the kit contents including earth continuing connection along with 3 nos. crimpling type aluminum lugs of suitable capacity including making joining etc complete in all respect.

(i) Suitable for 16 to 50 sqmm 3 core XLPE Cable

M.R. items NS-1 Supply, erection, testing and commissioning of outdoor type copper wound, transformer of 250 KVA 11 / 433 KV, 3 Phase, 50 Hz complete in all respect upto the entire satisfaction of Engineer-in-charge of work ( on existing pole / plateform including first filling of oil conforming to IS 1180 Level-2 only from approved make KVA 250 No. load voltage ratio 11/ 0.433 KV No. of Phase 3 Frequency cycles 50 Hz Types Double wound core type Copper wound. Cooling ONAN Duty Outdoor Vector Group ISS-DYN 11 / IS 2026 /77 Tapping on HV compensation +5% to - 5% Insteps of 2.5% Temperature rise (Oil / res.00) 500 / 550 C Attitude upto 1000 m above MSL Off circuit tape changer Externally hand operated Oil conservator with filling hole & cap Plain oil level gauge with minimum level marking Thermometer pocket 4 Nos. Plain roller undirectional. 1 No. 4" dial type thermometer Silica Gel breather Ist filling of oil. Drain cum filter valve with plug. Rating & diagram plate.

Two earthing terminals Lifting arrangement Explosion vent Air release plug. Oil conservator tank Shunt off valve between buchloz & conservator TERMINATION HV-3 Pole single glands cable box suitable for reception of one No. 3 core upto 120 sqmm HT XLPE cable including compound for filling the cable end box with Al. lugs / thimble. LV- 4 Pole 3 glands cable boxes suitable for 3 Nos. 240 sqmm 3.5 core Polyvinyl chloride cable having extended copper bars of requisite Capacity from LT bushing for making connections with cable including cost of Al. lugs, thimbles LV : Neutral suitable cable Box for earthing provided.

NS-2 Supply, erection, testing & commissioning of 11 KV indoor H.T. Metering panel complete with CTs, PTs cubical and electronics meter with accuracy class 0.5 as per requirement / approved by HVPN Consisting of the following : (i) Cubical panel free standing floor mounting type made of sheet steel 14-G SWG CRCA sheet with channel iron / angle base frame spray paintd with strong Synthetic grey channel paint as per size & design approved by HVPN . (ii) 3 Nos. 11 KV CTs of rating as approved by HVPN for indoor installation of approved make of HVPN. (iii) One No. 11 KV PT 11000/110 Volts 10 KA burden 0.5 accuracy oil filled suitable for indoor installation of approved make of HVPN. (iv) Digital electronic meter 3 Phase 4 wires 0.5 accuracy for recording reading operating system for difference kind of readings. The cubical panel will be complete in all respect including interconnection, internal wiring with PVC copper cable its testing / approval of all times by HVPN including cost of all testing / approval charges of all items by HVPN with a guarantee of one year from the date of commissioning including cost of all labour & material required to complete the job in all respect upto the entire satisfaction of Engineer-in-charge of work.

NS-4 Supply and erection of Fire extinguisher ISI mark ( Ajay make ) Co2 type of 4.5 Kg. capacity as per IS 7285 duly erected / hung on wall with hooks with all labour & petty material required to complete the job in all respect upto the entire satisfaction of Engineer-in-charge of work make and model approved by Cheif Electrical Inspector.

NS-5 Supply & erection of MS bucket stand which include cost of 6 Nos. fire bucket with 9 liter capacity with stand filling including cost of welding & painting of complete stand & buckets with one coat of red oxide and two coats of approved paint of red colour written with fire on the buckets as per fire protection with all labour and material required to compelte the job in all respect upto the entire satisfaction of Engineer-in-charge of work.

NS-7 S/E of 11 KV gang operated switch 'Jayshree make' conforming to IS with latest amendment including suitable size of copper blade erection of same on the existing 'H' pole with the help of 3 Nos. channels of size 75 mm x 40 mm x 6 mm, 1.8 M. long fixed with suitable size of MS clamp, nuts & bolts including cost of 6 Nos. 11 KV insulator with GI Pin, RD fuses and painting with 2 coats of approved paint and one coat of red oxide material required to complete the job in all respect utpo the entire satisfaction of Engineer-in-charge of work.

NS-8 Supply & erection of lightening Arrestor Model SDU ALPRO make suitable for 11 KV 3 Phase 50 Hz grounded neutral system comprising of Speek gap type ( Quench gap type ) in series with non liner resister element housesed in horizontally Scale porcelain bushing with line and ground terminal along with mounting clamps Conforming to ISS 3070 (Part-1) of 1985 with latest amendment with all labour and material required to complete the job in all respect utpo the entire satisfaction of Engineer-in-charge of work.

NS-9 Providing and fixing of stay set complete with stay wire with dis insulator as per specification upto the entire satisfaction of Engineer-in-charge of work.

NS-10 Providing and fixing of wire mesh jali around the transformer of size 4'x 8' made out of 75 x 25 x 3.25 mm jali fixed with angle iron frame made out of M.S. angle 50 x 50 x 6 mm support of M.S. flat 50 x 6 mm and fixed in C.C. Block 1:2:4 including cutting, welding etc. as per drawing complete in all respect upto the entire satisfaction of the Engineer-in-Charge.

NS-11 Erection of MS Angle 50 x 50 x 6 mm, M.S. flat & nuts & bolts including cutting, bending to the required shape drilling holding carriage, painting loading & unloading complete in all respect.

Chopra Electric Company

DEVENDER KUMAR CONTRACTOR