Grass cutting and surface dressing including removal of unwanted/rubbish plants with roots from open ground /yard and other Nigam premises with stacking of grass/plants at desired place near the ground. , Levelling of ground , Levelling of ground above 30 cm.to 90 CM.depth. with tractor and T&P required as per condition of ground including removal of rubbish plantsfrom ground & marking of boundary with lime powder.(Including alllead & lifting) , Earth workexcavation and foundation of platfrom of transformers and brakers including dressing of sides and ramming of bottoms .Liftup to 1.5 Meter includingtaking out the excavated soil and depositing and refilling of jhiri, watering and ramming and disposal of surplus excavated soil as directed with in a lead of 50 Meter. , Hard soil mixed with boulders , Providing and laying cement concrete including compaction etc, complete using stone aggregate 40 mm nominal size (hand broken ) in foundation plinth excluding the cost of shuttering using 1 cement:5 sand:10 aggregate mix. , note , The rates are all lead of cement,lime,ballast, sand,surkhi and grit etc.at site of work. , For all concrete work coarse sand shall be used no extrawill be paid . , Concrete mix prepared by power driven mechanical mixer shall be used . , Under exceptional coditions, where mechanical mixer and vibrator are not used(with the approval of Engineer Incharge reduced by 3% for mechanical mixer and 2% for Vibrator , Thickness of the cement concrete should not exceeed 100 mm. , Plaster on new surface on walls in cement ,sand mortar 1:6 including racking of joint etc. complete fine finsh 25 mm thick. , note , The rates for complete work including racking of joints,curing,grinding,mixing and finishing T&P and scaffolding material and cost of material with all lead and lift. , The rates cover protection of all place and things,requiring protection and cleaing such places and thing of all droppings and splashes of mortar etc. , Cement concrete flooring grade 1:2:4 (1-cement :2- coarse sand :4-graded stone aggregate ) rounding off edges etc.but excluding cost of nosing of steps etc. complete. , Masonryfor foundation and plinth , Randon Rubble stone masonry for foundation and plinth in cement sand mortar 1:6(1 Cement : 6 Sand) including labour charges. , Providing and laying of cement concrete in ratio 1:3:6 using 43 grade cement,river sand and 12 mm to 20 mm graded blast crusher broken in pit/foundation according to the size/type of supports/stay set including compaction/curing for 21days in steel plates shuttering /farmer base. , Safe carriage of steel( fabricated and unfabricated) I.e.M.S. Rails, R.S.Joists, M.S.Channels, M.S.Angles, M.S.Flat, G.I.Stay Sets, G.I. Stay Wire, G.I.Wire Nut & Bolts etc. and ACSR Conductor including loading and unloading and stacking in Nigam store /at work site , Within10 Kms. , Safe Carriage of insulator, hardware, cable etc.including loading/unloading and stacking in Nigam.stores etc. , Within10 Kms. , Safe carriage of breakers/kiosks etc. including loading/ unloading and stacking in Nigam stores , Within 10 KMs. , Safe carriage of 11/.4 KV 3 Phase distribution transformer including loading/unloading from store to site (these Charges will be 1.5 times for both sides) , b)25 & 40 KVA , Within10 Kms. , Safe Carriage of 33/11 KV Power Transformer , c)5.0 MVA , Within 10 Kms , Above 10 Kms & upto 30 Kms .Add for each Km or part thereof@50.81/km , Above 30 Kms & upto 50 Kms . Add for each Kmor part thereof@33.61/km , Above 50 Kms . Add for each Km or part thereof@16.27/km , Safe carriage of fabricated lattice towers structures and sub-station structures type AB, AB beams, isolators structures etc. including loading/unloading and stacking in the Nigam. Stores / at work site. , Within10 Kms. , Safe loading of power/ distribution transformer. , (A)33/11 KV power transformer. , 5 MVA , Safe unloading of steel fabricated/ unfabricated conductor drum & other line material. , Above 3.15 MVA , Fixing of all type of fabricated material on erected supports with nut & bolts as per approved design & drawing of sub-station. , Erection ofsteel supports in the excavated pit in alignment after checking then same with plumb line as per approved design and drawing of 33/11KV Sub- station.The support should be grouted and muffed in cement concreteratio 1:3:6 as per chapter -5 code No.5.7.Theremaining portion of the pit will be back filled with soil.The charges for grouting & muffing will be paid by extra as per chapter code no 5.7 The nuts & bolts will be supplied by the contractorfor which payment will be made as per prevailing Store issue rates. , Fabricated structure AB type , Fabricated structure AB-1 type , Isolator / C.T.structure , Fixing of 11kv B&S/T&C type disc insulator for 33kv lines (each unit consiting of 3 Nos. disc.& 1set of H/W) on terminal point including fixing of hardware and strips. , Fixing of 11kv B&S/T&C type disc insulator of 11kv lines(each unit consiting of 1 Nos. disc & 1 set of H/W ) on terminal point including fixing of hardware and strips. , Laying / stringing of bus bar with ACSR Dog & jumper connection using tie rod ,33KV /11KV insulator strings,required hardware,P.G.clamps/T clamps etc.as per requirement including Y-connections at bus bar jumpering point as per the direction of engineer in-charge. , ACSR PANTHER , Assembly. Installation & commissioning of gang operated isolating switch on erected structure with setting for accurate operation including fixing of allied accessories completein all respect with post insulator and jumpering on both ends for connection with the system. The nuts and bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates. , (B)G.O. switch . without earthing blade. , 33kv G.O.switch , 11kv G.O.switch , Installation of lightening arrestors on erected structure /support (1 nos) including connection with earth by wire /strip as required and jumpering etc. The nuts & boltswill be supplied by the contractorfor which payment willbe madeas per prevailing Discom store issue rates, , (A)sub-station type , 33 KV L.A. each , 11 KV L.A. each , Safe carriage of 11/.4 KV 3 Phase distribution transformer including loading/unloading from store to site (these Charges will be 1.5 times for both sides) , b)25 & 40 KVA , Within10 Kms. , Installation testing as per Nigams norm & commissioning of 11/0.4KV distribution transformer on erected supports including fixing of base channels as per requirment jumpering on HV&LV side, crimping of lugs/ clamping earth connections of body and neutral of transformer with wire /strip (as already provided with earthing ) complete in all respect. The PG clamps nuts & bolts will be supplied by the contractorforwhich payment will be made as perprevailing Discom store issue rates, , 25 and 40 KVA , Mesh earthing for 33/11 kv sub-station as per approved map &design usingMS flat 50X6mm/MS road 20mm dia includinglaying of flat/rod at the depth of 0.65 Mtrs.,welding & jointing at joints , structures & equipments etc.asunder: , Excavation of trench of 0.65 Mtrs.depth and 0.5 Mtr.width , Hard Soil , Laying of MS flat /MS rod in 0.65Mtr.deep excavated trench and welding of MS flat/rod continuosly with 100 mm overlaping for straight joint including coating of MS flat joints with molten bitumen and covering joint with bitumen impregnated tape to protect from rust. , Shaping of MS flat for connecting the equipments with earthmesh .The work includes the welding of MS flat with equipments/structure and also with earth mesh.The work also includescoating of MS flat joint with molten bitumen and covering jointwith bitumen impregnated tape to protect from rust. , Preparation of spikes made of M.S Rod of 20 mm dia and 3 Mtr.length as per design and requirment to be driven in earth by mechanical means and Providing & .fastening of suitable clampswith the M.S. Rod, connection of earth wire/stay wire/MS flat in clamp depending on type of soil: , Where drilling isrequired , Filling of trench with available excavated muck in layers of 20cm (Max.)consolidating each deposited layer by ramming & watering with lead up to 50 Mtr, and lift up to 1.5 Mtr. , Laying of HT/LT control cable installation of C&R panel Kiosks Breakers etc. , Erection of OCB/Kiosk/VCB complete with accessories including use of special tools & conducting all pre-commissioning test before energization,filling oil etc. complete in all respect with erection & grouting of structure (excluding civil works). The relays will be tested by Discom. , 33 KV VCB/SF-6 Breaker , 11 KV VCB (Outdoor ) , Excavation of pit in Hard soil (15% extra shall be payable for the designated desert area panchayat samities of Jodhpur Discom in pursuance to JdVVNL order No. 1240 dt. 18.07.13). , (B) Lattice Tower /Size of pit , 11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep , Installation of control panel including checking of wiring and conducting all pre-commissioning tests before energization, satisfactory operation of all equipment existing thereof. ( The relay will be tested by Discom ). , 33 KV Control Panel , Erection & commissioning of battery set and battery charger including all required connection/wiring from battery set to battery charger and A.C.mains complete in all respect. , 110 Volts D.C. , Laying, testing termination of control cable 1100 volts PVC insulated including supply and installation of ferrules to designate various cores of control cables by terminal Nos. of identification including utilization of cable gland. The control cable should be clearly arranged in trenches avoiding crossings including clamping of control cable at regular interval and providing identify tags. , 12x2.5 Sq.mm. , 4x2.5 Sq.mm. , Supply andFixing of metallic junction box size 450x300x250 mm outdoor type floor mounting fabricated out of cold rolled steel sheet 16 SWG with required branching and support of M.S. Angle 45x45x5mm The box should be printed with the coat of Zinc Chromate primer and 2 coats of light grey paint. Removal of gland plate of 3 mm. Thickness with rubber gasket for cable entry at bottom gland plate should be spacious to fix 6 Nos. cable glands of 25mm size double hinged door with pad lock provision should be gasket with foam & rubber to make junction box dust & water proof supply of junction box will include following items. , The top cover of junction box should have slope of 10 mm so that water is not collected on top of the box. , 18 Nos. terminal blocks of 30 Amp. Bolted type with end plate and screws fixed on 36 cm mounting channel for terminal block with bolts & nuts of 25x9 Sq.mm.on side support inside junction box. The terminal blocks should be detachable type, which can be removed or added individually and suitable for 4/6 Sq.mm.coppers lugs. The terminal blocks should be preferably of GEC/Alsthom/ Essun/Malamin PVC or equivalent make. , The supports of junction box made of M.S.Angle size 45x45x5mm with cleat having 1.2 meter length of each support should be grouted in cement concrete ratio 1:3:6. , Installation of metering points on 11 KV Out going feeder at 33/11 KV S/S. , The installation work to be carried out as perdrawing/design, under the supervision of concerned Assistant Engineer , Mounting structure , The requisite steel members will be supplied by contractor including the hardware. Contractorshall joint/weld the members to form the mounting structure as per drawing. Necessary tools, welding, machines, lifting devices etc. shall be arranged by contractor. , Civil works , Erection of lattices in alignment including excavation and concreting of structure foundation including cement, sand and grit 20 mm size (crusher broken) having ratio 1:3:6 and grit 40 mm size for ratio 1:5:10and curing for period as required (21 days). Area of concreting will be as per the drawing. , Metering Equipments: , The requisite metering equipments (CTPT set, meter,meter box & suitable conductors for jumpers), will be provided by the concerned Assistant Engineer in healthy condition at site. The cables from CTPT set to meter box laid down in 50 mm GI pipe with suitable bends & nipples, shall be provided by contractoralongwith the consumable items such as PVC tapes, petroleum jelly etc. The cable should be PVC multi strand copper 4 core 2.5/4 Sq. mm ISI marked and firm & tight connections shall be made by suitable connectore.g. at CTPT sets by using clamps and atmeter/TTB by suitable lugs etc. The CTPT sets soinstalled shall be earthed by means of the MS Flat (size 50x6 mm) by joining it with the nearest earthing available at the sub-station. Requisite earthing materialshall be made available by the contractor. , Meter: , Meters should be fixed firmly inside the tamper proof box, as per drawing. All the meter fixture will be provided by contractor including all consumables. , Meter Box , The meter box shall be provided by the concernedAssistant Engineer. However, hardware or any other items required to fix the meter inside the meter box will be provided by contractor. The meter box will be fixed firmly with sufficient strength at a place as perdrawing. The test terminal block(TTB) link type shall be provided by contractor in the meter box. , Painting: , All surfaces interior and exterior of lattice structure shall be white aluminum painted. , Commissioning of Metering Equipments: , Installed meters inside the box and metering equipments duly mounted on the mounting structure will be powered up by connecting load in the presence of the concerned Assistant Engineer who will arrange the necessary shut down. Thecompletion certificate shall be furnised by contractor.be filled accordingly. Since the work involves higher A.C. voltage level, the contractor shall take full careregarding safety norms, so as to avoid any accidental hazards. , Painting with priming coats or ready mixed red-oxide paint 2 coats of approved make on steel works after cleaning with wire brush / sand paper.(including cost of red oxide) , On new surface , Painting with aluminium paint of approved brand and manufacturer to give an even surface.(includingcost aluminium paint) , On new works with two coats. , Fabrication of steel structures of M.S angle, M.S.channel & M.S.Flat including cutting, drillingas per design and drawing. , 33/11 KV Rural Sub-StationStructure (4086.879 Kg) , Laying, testing, termination of control cable, 1100 Volt PVC installed supply and providing of ferrules and copper lugs to designate various cores of control cable by terminal numbers for identification including utilization of cable glands. The control cable should be neatly arranged in trenches avoiding crossings, including clamping of control cable in rubber battons at regular interval and providing identity tages. , d)12x2.25 Sq.mm. , Pipe Earthing for Power Transformer at 33 / 11 KV S/S:-Supply & erection of earthing electrode shall consist of G.I. Pipe 100 mm,of 3 Mtr Length. The electrode shall be buried as far as practicable3 meters below ground level. Wherever possible, earth electrodes shall be located as near the water tap, water drain or near down take pipe. Earth electrodes shall not be installed in proximity to a metal fence. It shall be kept clear of the buildings foundations and in no case it shall be nearer than 2 meters from the outer face of the wall. The electrode shall be surrounded withlayer of charcoal dust and salt mixture through out the length. The 100 mm GI pipe shall be provided with holes of 12 mm dia. drilled at 75 mm interval upto 2.5 meters length from bottom. The top of the pipe shall be provided with a G.I. threaded cap for watering the earth through a pipe. AClamp with Pati of 12" of M.S. Flat of size 50X6 mm shall be fixed (Bolted) on the top edge of the pipewhich in turn shall be connected to Neutral / Body of the Power Transformer through M.S. Flat size 50X6 mm. The G.I. cap over the GI pipe shall be housed in a masonry chamber, approximately 300 mm x 300 mm x 300 mm deep. The masonry chamber shall be provided with a RCC inspection cover resting over a RCC frame, embedded in masonry. , Excavation of pit in ordinary rock which does not require blasting/murrad (in Jodhpur discom) to erect various supports and stay sets including stacking of excavated muck from the edge of excavation/pit. , (B) Lattice Tower /Size of pit , 11.4/10.8 Mtr/ 1.5mx1.5m x1.80 m deep , Providing and laying cement concrete including compaction etc, complete using stone aggregate 40 mm nominal size (hand broken ) in foundation plinth excluding the cost of shuttering using 1 cement:5 sand:10 aggregate mix. , Note , The rates are all lead of cement,lime,ballast, sand,surkhi and grit etc.at site of work. , For all concrete work coarse sand shall be used no extrawill be paid . , Concrete mix prepared by power driven mechanical mixer shall be used . , Under exceptional coditions, where mechanical mixer and vibrator are not used(with the approval of Engineer Incharge reduced by 3% for mechanical mixer and 2% for Vibrator , Thickness of the cement concrete should not exceeed 100 mm. , Safe carriage of fabricated lattice towers structures and sub-station structures type AB, AB beams, isolators structures etc. including loading/unloading and stacking in the Nigam. Stores / at work site. , Within10 Kms. , Erection of all type of steel supports in the excavated pit in alignment after checking the same with plumb line including fixing of cross arms and top hamper before erecting the supports. The support should be grouted and muffed in cement concrete of ratio 1:3:6 as per item No. 5.7 the remaining portion of the pit will be back filled with soil. The nuts & bolts will be provided by the contractor as per Nigam''s specification for which payment will be made at the prevailing store issue rates. The cost muffing and grouting will be paid extra. , Lattice Structure , Providing and laying of cement concrete in ratio 1:3:6 using 43 grade cement,river sand and 12 mm to 20 mm graded blast crusher broken in pit/foundation according to the size/type of supports/stay set including compaction/curing for 21days in steel plates shuttering /farmer base. , Laying of 33 KV & 11KV XLPE cable without Road cutting i.e. through burrowing machine "VERMIER".(120 cm deep).Use of this technology must be restricted to the situation like:- , (i) When the passages available for laying the proposed cable is totally a metal or cement concrete road. , (ii) When the road cutting is not permitted by the local administration. , A) 33/ 11 KV 3C x 300 Sq.mm cable , For Extra Loop (Ghera) to be provided near the pole on termination point and the length of cable along the pole for mounting of cable jointing kit. , 33 KV Cable:- , 3X240 Sq.mm to 3X400 Sq.mm , Safe Carriage of insulator, hardware, cable etc.including loading/unloading and stacking in Nigam.stores etc. , Within10 Kms. , Assembly. Installation & commissioning of gang operated isolating switch on erected structure with setting for accurate operation including fixing of allied accessories completein all respect with post insulator and jumpering on both ends for connection with the system. The nuts and bolts will be supplied by the contractor for which payment will be made as per prevailing Discom store issue rates. , (B)G.O. switch . without earthing blade. , 33kv G.O.switch , Intallation of 33 KV Cable (XLPE) termination / straight through joints ( Heat shrinkable type) as per manufacturer''s kit guidance and direction including preparation of cable and testing refilling etc as required.(Including crimping of lugs) , (I) Outdoor end terminal , (ii) 3x240 Sqmm to 3x400 Sq mm , (i) Straight through joint , (ii) 3x240 Sq mm to 3x400 Sq mm , Note:- Rate shall be reduced by 20% for "Push On" typekit , Trimming of tree branches/plants manually/ by machine and preparing route approchases for proposed line. , Excavation of pit in ordinary rock which does not require blasting/murrad (in Jodhpur discom) to erect various supports and stay sets including stacking of excavated muck from the edge of excavation/pit. , (A) Height of poles/R.S.Joist/M.S. Rail /Size of pit , 9 Mtr/ 1.2mx0.6mx1.50 m deep , (C)Stay set/Depth of pit , 6''x 5/8" -0.75x0.5x1.35 m , Safe carriage of steel( fabricated and unfabricated) I.e.M.S. Rails, R.S.Joists, M.S.Channels, M.S.Angles, M.S.Flat, G.I.Stay Sets, G.I. Stay Wire, G.I.Wire Nut & Bolts etc. and ACSR Conductor including loading and unloading and stacking in Nigam store /at work site , Within10 Kms. , Safe Carriage of insulator, hardware, cable etc.including loading/unloading and stacking in Nigam.stores etc. , Within10 Kms. , Erection &assembly of 2 Pole structures of steel supports or PCC poles in excavated pit in alignment after checking the same with plumb line.Including fixing of top bracing of M.S.Channels with pilot plates and clamps.The support is to be back filled with soil with proper ramming.The nuts &bolts are to be provided by the contractor as per Nigams specfication for which the payment will be made at the prevailing Discom store issue rates. , PCC Poles 9 Mtr. Long(200 Kg.) , Erection & fixing of G.I.Stay sets with anchor plates in excavated pit in required position and back filling with soil with proper ramming.The work includes fixing of stay clamps.Stay insulator with stay wire at both ends with proper tension.Size of stay set/stay wire , 6"x5/8" with 7/10 SWG stay wire , Fixing and assembly of disc.point channel pair with pilot plates&clamps on erected double pole structure as per design. The nuts &bolts are to be provided by the contractor as per Nigams specification for which payment will be made as perprevailing Discom store issue rates. , 11 KV line , Fixing of 11kv B&S/T&C type disc insulator of 11kv lines(each unit consiting of 1 Nos. disc & 1 set of H/W ) on terminal point including fixing of hardware and strips. , Drilling of holes in MS Channel / Angle /Flat , 15/16" dia holes(23.81 mm dia.) , Laying of 33 KV & 11KV XLPE cable without Road cutting i.e. through burrowing machine "VERMIER".(120 cm deep).Use of this technology must be restricted to the situation like:- , (i) When the passages available for laying the proposed cable is totally a metal or cement concrete road. , (ii) When the road cutting is not permitted by the local administration. , B)33/ 11 KV below 3C x 300 Sq.mm cable , For Extra Loop (Ghera) to be provided near the pole on termination point and the length of cable along the pole for mounting of cable jointing kit. , 11 KV Cable:- , 3X35 Sq.mm to 3X185 Sq.mm , Installation of cable termination / straight through joints on 11KV Aluminium conductor XLPE /PILCA Cable with outdoor/ indoor termination end and /or straight through joint including required excavation / remoral/ fixing / refixing/ testing etc. as required , A) (I) Outdoor end terminal3x35 Sq mm to 3x185 Sq mm , C) (I) Straight through joint 3x35 to 3x185 Sq mm
