REPAIR AND MAINTENANCE OF ROADS AND DRAINS OF CPP PLANT FOR THE YEAR 2021-2022

Amount

Earth work in excavation in all kind of soil by mechanical means (Hydraulic excavator) / manual means in foundations, drain, trenches, pavements, wall footings, pipe lines, cable trenches, pits and over area cuttings etc. for all kinds of works including dressing of sides and ramming of bottoms lift up to 1.5m including getting out the excavated soil and disposal or stacking of surplus excavated materials within a lead up to 100 mtrs, disposed earth to be leveled and neatly dressed as directed with all cost complete as per drawing, specification and direction of Manager-in-charge.

Earthwork in over areas in all kinds of soil (exceeding 30cm in depth, 1.5mtr in width as well as 10sqm on plan) including disposal of excavated earth lead upto 100 Mtr and lift upto 1.5mtr, disposal of earth to be levelled and neatly dressed all complete as per specification and direction of the manager in charge.

Filling available excavated earth excluding rock in trenches ,plinth ,sides of foundation etc in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering lead upto 100 M and for all depths complete as per direction of the Manager-in-charge.

Supplying and filling of Sand not exceeding 200mm thick in each layer including watering, ramming, compacting, leveling, dressing etc. complete as per drawings, specifications and direction of Manager-in-charge.

Transportation and Disposal of earth, debris, coal dust, slush, dismantled materials by mechanical means/manual means and disposal at a deisgnated places within the Plant boundary beyond the initial lead of respective item of excavation including levelling & dressing of disposed items at the disposal site as per instruction of the Manager-in-charge.

Surface dressing of the ground, road berm including removing vegetation and inequalities not exceeding 30 cm deep including loading, unloading, transporting and disposal of rubbish at a designated location inside the plant premises as indentified by the manager in charge in all kinds of soil including levelling etc complete as per specifications etc.

Providing and laying in position Plain cement concrete of proportion 1:4:8 (1 cement : 4 coarse of sand: 8 graded stone aggregate of 40mm nominal size) in foundation & plinth upto a depth of 5mtr from ground level excluding the cost of centering, shuttering, finishing and reinforcement as per specification, drawing and direction of Manager-in-charge. (Cement shall be issued as FIM from NALCO's store)

Providing and laying in position Plain cement concrete of proportion 1:2:4 (1 cement : 2 coarse of sand: 4 graded stone aggregate of 20mm nominal size) in foundation & plinth upto a depth of 5mtr from ground level excluding the cost of centering, shuttering, finishing and reinforcement as per specification, drawing and direction of Manager-in-charge. (Cement shall be issued as FIM from NALCO's store)

Providing and laying in position Reinforced cement concrete of proportion 1:1.5:3 (1 cement : 1.5 coarse of sand: 3 graded stone aggregate of 20mm nominal size) in foundation & plinth upto a depth of 5mtr from ground level excluding the cost of centering, shuttering, finishing and reinforcement as per specification, drawing and direction of Manager-in-charge. (Cement & steel shall be issued as FIM from NALCO's store)

Providing & fixing Centering and shuttering including strutting,racking , bracing, propping etc., keeping the same in position during concreting and removal of the same after specified period etc. all complete and as specified and direction of Manager-in-charge. For all concrete and RCC work for all depth & heights.

Placing of Tor Steel Reinforcement for RCC work including transportation from store, straightening, cutting, bending, placing in position and binding with wire all complete as per specification and direction of Manager-in-charge. (Reinforcement shall be issued as FIM from NALCO's store)

Providing and laying cement based Fly ash brick work in CM 1:6 (1 cement : 6 sand) in foundation, plinth culverts, parapets etc with all materials, labour tools and tackles in line and plumb, raking out joints watering curing etc complete as per specification and direction of Manager-in-charge.(Cement based fly ash brick and cement shall be issued from NALCO's store)

Providing and laying Brick masonry work with dismantled brick salvaged from work with cement mortar 1:6 (1 cement :6 sand) as per specification with all cost complete as per drawing and direction of Manager-in-charge. (Cement shall be issued as FIM from NALCO's store) In foundation and plinth for all depth below plinth level.

Repair to plaster of thickness 15mm on patches of area 2.5 Sqm and under with cement mortar 1:6 (1 cement: 6 coarse sand) including cutting the patch in proper shape, dismantling of old damaged plaster, raking out joints, preparing and plastering the surface of the walls at all height with all cost complete including disposal of rubbish to the dumping ground as per the direction of Manager-in-charge (scaffolding above 3.5M shall be paid extra.) (Cement shall be issued as FIM from NALCO's store)

12mm thick cement plaster with cement mortar 1:6 for all heights including curing, scaffolding, tools, tackles, labour etc. complete. (Cement shall be issued as FIM from NALCO's store)

Cleaning of grass, bush, weeds , small trees up to girth 300 mm and other unwanted growth etc and removal of the rubbish including destroying/disposal at a designated place within the plant premises complete as per the direction of Manager-in-charge

Cutting and felling of trees of the girth (measured at a height of 1.0mtr & above ground level)including cutting of trunks and branches ,removing the roots & disposal of unserviceable materials within a lead of 100mtr outside the periphery of the area cleaned including stacking of serviceable materials properly as per direction of Manager in charge. (a) Beyond 30cm girth upto and including 60cm girth.

Supply ,Stacking & laying hard stone with black hard granite stone boulder of 20 cm to 22.5cm thick including filling the interstices with small size stones ,muroom,crusher dust etc , whereever required including dressing of earth to required shape etc complete as per instruction of the Manager-in-charge . (Crusher dust/muroom shall be paid separately under relevant items.)

Laying stone boulder soling (with granite/hard stone of 20cm thick size/reject coal boulder) properly hand packed ,filling interstics with spalls and consolidating with power road roller/ dressing the surface as per requirement to required gradient and camber including spreading, watering and rolling with binding materials (moorum or crusher dust or earth) etc complete as per instruction of the Manager-in-charge (stone/reject coal boulders / Crusher dust/muroom shall be paid separately under relevant items.)

Dismantling of PCC/RCC by manually/ mechanical means including supplying of all tools and tackles ,machineries,labour etc complete,Transporting & disposal of all debris within 50mtr lead etc as indentified by the Manager-in-charge all complete .

Dismantling of RR Masonary including supplying of all tools & tackles, machineries, labour etc. complete, Transporting & disposal of all debris within 50mtr leads as indentified by the Manager-in-charge all complete .

Dismantling of Brick Masonary work including supplying of all tools, tackles, machineries, labour etc complete,Transporting & disposal of all debris etc within 50mtr leads as indentified by the Manager-in-charge all complete .

Dismantling of RCC Hume pipes upto 500mm ID including supplying of all tools ad tackles, machineries, labour etc complete, Transporting & disposal of all debris etc at the designated place within the plant premises as indentified by the Manager-in-charge all complete .

Dismantling of RCC Hume pipes more than 500mm ID including supplying of all tools ad tackles, machineries, labour etc complete, Transporting & disposal of all debris etc at the designated place within the plant premises as indentified by the Manager-in-charge all complete .

Cutting of road berms for removal of stagnant water on the road surface including disposal of rubbish lead upto 100mtr and lift upto 1.5mtr in all kinds of soil complete as per direction of Manager-in-charge.

Sweeping road, berms, pavements etc. with brooms including the cost of all material,Transporting and disposal of debrises in low lying areas within the plant boundary as directed by Manager-in-charge.

Supplying, transporting, laying and jointing NP-2 class (light duty) RCC hume pipes (300mm dia) with collars joints with stiff mixture of cement mortar 1:2 (1 cement:2 fine sand ) with all materials ,labours. tools etc complete as per the drawing, specification and as per direction of Manager-in-charge.

Supplying, transporting, laying and jointing NP-2 class (light duty) RCC hume pipes (600mm dia) with collars joints with stiff mixture of cement mortar 1:2 (1 cement:2 fine sand ) with all materials ,labours. tools etc complete as per the drawing, specification and as per direction of Manager-in-charge.

Cutting of road (Macadam surfaces) and making good the same including supplying extra quantities of aggregate ,moorum ,sand ,bitumen etc as required and as per direction of the Manager-in-charge.

Cutting of road ( Bitumen surfaces) and making good the same including supplying extra quantities of aggregate ,moorum ,sand ,bitumen etc as required and as per direction of the Manager-in-charge.

Preparation of subgrade by excavating earth to an average of 22.5cm depth including dressing and cambering etc including compacting of subgrade with power road roller including making good the undulations etc Transporting & disposal of surplus earth within a lead up to 100 mtr complete as per instruction of the Manager-in-charge.

Compacting of subgrade with power road roller of 10 MT Capacity including making good the undulations,leveling etc complete inclusive of the hire charge of roller & fuel POL etc complete and as per direction of the Manager-in-charge.

Supplying, Transporting, stacking & spreading of Moorum of approved quality and authorised sources.The rates inclusive of stacking,spreading, transporting, royality, other levies and other applicable taxes etc complete as per instruction of the Manager-in-charge.

Supplying, Transporting, stacking & spreading of Crusher dust/Granite stone of 4.25mm & below of approved quality and authorised sources.The rates inclusive of stacking, spreading, transporting, royality, other levies and other applicable taxes etc .complete as per instruction of the Manager-in-charge.

Supplying, Transporting, stacking & spreading of stone aggregate of 45 to 63mm size the road materials of approved quality and authorised sources.The rates inclusive of stacking, transporting, royality, other levies and other applicable taxes etc .complete as per instruction of the Manager-in-charge.

Transporting, stacking & spreading of dry stone pitching of maximum 325mm size the road materials of approved quality and authorised sources.The rates inclusive of stacking, transporting, royality, other levies and other applicable taxes etc .complete as per instruction of the Manager-in-charge.

Painting on road surface markings humps with adequate no of coats to give uniform finish with ready mixed road marking paint confirming to IS:164 on bituminous surface in approved shade and from reputed manufacturers like Asian paints, ICI, Berger including cleaning the surface of all dirt,scales,oil ,grease and foreign materials etc complete.as per direction of the Manager-in-charge (a) New work (Two or more coats)

Painting on road surface markings humps with adequate no of coats to give uniform finish with ready mixed road marking paint confirming to IS:164 on bituminous surface in approved shade and from reputed manufacturers like Asian paints, ICI, Berger including cleaning the surface of all dirt,scales,oil ,grease and foreign materials etc complete as per direction of the Manager-in-charge. (b) Old work (One or more coats)

Providing and fixing of Kerb Stones at or near ground level precast cement concrete etc as per approved pattern and settings in position with cement concrete 1:1.5:3 (1 cement : 1.5 coarse of sand: 3 graded stone aggregate of 20mm nominal size) including the cost of required centering,shuttering and finishing smooth with 6mm thick cement plaster 1 : 3 (1 cement : 3 coarse sand) on exposed surface complete as per direction of the Manager-in-charge.

Supplying of JCB for dozing/spreading of disposed earth/debris/coaldust/ash/houskeeping debris/dismantled building materials ,grass,leaves etc, excavation of channels etc or any other work as instructed by the manager in charge including the cost of Pilot , fuel, hire charge etc complete .

Providing and fixing Cat's Eye / Road stud of ALKOLITE ( AL 280 ) make orany equivalent make of dimension 100 mm x 96 mm x 16 mm, reflector colour yellow, red, white meeting ASTMD specification, two way acrylic prismatic reflector type including fixing on the road surface at desired spacings & at designated locations with all assecories & associated works complete as per manufaturer's specification & instruction of the Manager in charge.

Providing & fixing rubberised speed bumps of FRONTIER makae and made up of UV stabilised rubber . Dimension of the individual bump pieces shall be length 250 mm x width 350 mm x height 50 mm and to be fixed in alternate yellow & black colour along with reflectors including fixing on the road surface with necesary nails, bolts etc complete as per manufacturer's specifications & instruction of the Manager in charge.

Providing & Laying Random Rubble masonary work with hard stone in foundation and plinth with cement mortar 1:6 (1 cement : 6 sand) including levelling, finishing etc complete as per specifications and instructions of the Manager in charge. Cement shall be issued as free issue material from NALCo' store.

Cleaning of all types of drains depth of debris upto 150mm above inverted level including Transporting, loading, unloading and disposal of debris, earth and unuseful materials etc at a designated location inside the plant premises as identified by Manager in charge.

Cleaning of all types of drains depth of debris upto 300mm above inverted level including Transporting, loading, unloading and disposal of debris, earth and unuseful materials etc at a designated location inside the plant premises as identified by Manager in charge.

Cleaning of all types of drains depth of debris upto 750mm above inverted level including Transporting, loading, unloading and disposal of debris, earth and unuseful materials etc at a designated location inside the plant premises as identified by Manager in charge.

Cleaning of chokage of ID Pits/IC chambers/ man hole in industrial drainage system spread all over the plant and for all man hole depths upto 1.5m and disposal of debris ,earth and unuseful materials etc up to 100 mtr.at a designated location inside plant premises as directed by Manager in charge.

Cleaning of drains which will be1.5mtr to 3.0mtr below ground level and removal of earth/coal dust under slushy,muddy and fluid condition and depositing the same within a lead of 100mtr(measurement of earth will be made as per stack measurement & deduction towards voids from the total quantities to arrive at the payable quantity for payment)

Cleaning of Chamber, syphons which will be1.5mtr to 3.0mtr below ground level and removal of earth/coal dust under slushy,muddy and fluid condition and depositing the same within a lead of 100mtr(measurement of earth will be made as per stack measurement & deduction towards voids from the total quantities to arrive at the payable quantity for payment)

Removal of chokage from screen bar of exit point/ IDRS/Rly over bridge/ pipe culvetr of lower bench road entry etc inclduing disposal of debris within a lead of 50mtr as per direction of Manager in charge.

Collection of reject coal boulders, mill rejects , fly ash etc from the indentified loading points / heaps etc located inside CPP by engaging mechanical excavators or by manual means and loading the same in trucks / tippers/ tractors etc, transportation of the same up to the work site and unloading , stacking etc inside plant boundary as per instruction of the Manager in charge. Payment shall be made for the net volume of the materials transported taking into consideration the voids applicable for the relevant items.

laying brick pitching / brick soling by using fly ash cement bricks issued free of cost with bricks laid on edges including excavation, dressing to required profile , refilling of earth at the required places , filling the joints with cement mortar , finishing the top surfaces with mortar , sweeping and disposal of surplus earth etc at a lead of 100 M complete as per instruction of the Manager in charge .Brick & Cement shall be issued as free issue materials.

Providing Cement pointing on brick or stone surfaces with cement mortar 1:3 for all type of pointing like Flush/Ruled/Struck/ weathered /raised & cut etc with all associated works complete as per specifications & instructions of the Manager in charge. Cement shall be issued as free issue material from NALCo' store.

Supply & Laying Wet mix Macadam (WMM) base course with stone aggregate 63mm to 40mm including stone screening,sand,binding materials and including screening ,sorting ,spreading to camber and gradient and consolidating with road roller of 8 to 10 tonne capacity to achieve the desired density, complete as per the specification etc complete layer thickness will be as per the instruction of Manager in charge.Measurement will be taken for compacted thcikness only.

Scarifying water bound road surface inclduding disposal of rubbish lead upto 50mtr and consolidating of the aggregate with road roller all complete as per direction of the Manager in charge.

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom as per specification and direction of Manager in charge. (a) On W.M.M. @ 0.4kg/sqm (Bitumen emulsion will be supplied by the agency )

Providing and applying Tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom as per specification and direction of Manager in charge. (b) On Bituminous surface @ 0.25kg/sqm (Bitumen emulsion will be supplied by the agency )

Providing and laying Bituminous macadam on prepared surface with specified garde crushed stone aggregate 22% of 26.5mm down graded, 75%13.2mm down graded, 3% fine aggregate 2.8mm thick for profile corrective base /binder course including loading of aggregate with FE loader, hot mixing of stone aggregate and bitumen in hot mix plant, transporting the mixed materials by tipper up to the work site, unloading the same to the paver and laying the mixed materials with paver finisher fitted with electronic sensing device to the required level and grade and rolling with power road rollers as per MORTH / IRC specification to achieve desired density and compaction but excluding the cost of primer/tack coat. Payment shall be made for the net and compacted volume of the material laid on the road surface in line with provisions of IRC codes / MORTH guilde lines and provisions of special conditions of contract. (a) 40mm to 100 mm average compacted thickness of bitumen of suitable grade @3.5% (percentae by weight of total mix)(Bitumen will be supplied by the agency )

Providing and laying Semi-dense Bituminous macadam on prepared surface with specified garde crushed stone aggregate of specifed grading, premixed with bituminous binder and filler transporting the hot mix to work site by tippers, laying with paver finisher to the required grade, level & alignment and rolling with power road roller of 8 to 10 T capacity to achieve the desired compaction and density as per specifcation, complete and as per direction of the Manager in charge. 25 mm compacted thickenss with bitumen of suitable grade VG 30 @ 7 % (percentage by weight of total mix) and prepared in Hot Mix plant(Bitumen will be supplied by the agency )

Bituminous spray grouting by cutting of road in regular shape and size of any area and depth and for the purpose of slope / profile correction of the road including applying tack coat with bitumen before laying aggregates & Keystone chips may be used with application of bituminous binder after each layer of graded stone granite / road metal as per MORT & H specifications and with 30Kg of bitumen /per cum of stone metal compacted with power road roller of 8 to 10 T capacity and conforming to the line, grade & specified cross section of required thickness with all lead, lift, tools, tackles, labour, materials as per direction of Manager-in-charge.(Bitumen will be supplied by the agency )

Sealing of expansion joint in the concrete road including removing the filler board if any at the joints up to specified depth, cleaning of top 25mm for the entire road width, laying in position bitumen hot sealing compound for expansion for 25mm width & 50mm depth at the joints complete excluding the cost of bitumen as per the instruction of manager in charge .(Bitumen will be supplied by Nalco as free issue material)

ROAD & ROOF CONSTRUCTION

M/s. GANGA JAMUNA ENTERPRISE

GAJANANA CONSTRUCTION AND CO

M/s. BINAYAK CONSTRUCTION

M/S SAHU & BROTHERS CONSTRUCTION

M/s.KAMADEVI ENTERPRISERS

M/s Dinesh Enterprisers