Bharat Heavy Electricals Limited-BHEL has published Tender For Civil Sub And Super Structures For Chp For Track Hopper, Tunnels And Underground Structures At Ntpc Lara Tpp Stage Ii. Submission Date for this Tender is 08-04-2024. Tunnel Work Tenders in raigarh Chhattisgarh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 19-Mar-2024 | Corrigendum-01 | Technical Bid | 23-03-2024 |
| 2 | 22-Mar-2024 | Corrigendum-02 | Financial Bid | 01-04-2024 |
| 3 | 22-Mar-2024 | Corrigendum-02 | Technical Bid | 01-04-2024 |
| 4 | 01-Apr-2024 | Corrigendum-03 | Date | 08-04-2024 |
| Sl. No. | Item Description |
| 1 | Depth exceeding6 m butnotexceeding 8 m |
| 2 | Depth exceeding8 m butnotexceeding 10 m |
| 3 | Depth exceeding10 m butnotexceeding 15 m |
| 4 | Earthworkinexcavation in soft rock including weathered rock which can be excavated by means of crow bar, pick axe, pneumatic rock breaker attachment with excavator machine etc. but does not require chiselling or blasting including setting out, levelling, dewatering (wherever required), dressing the sides & bottom, all lifts, ramming/compacting the excavated bottom, stacking, disposal of surplus excavated materialswithin a lead upto1 Km, spreading / levelling of disposed materials etc all complete for following depths below ground level. |
| 5 | Depth from ground level but not exceeding2 m |
| 6 | Depth exceeding2 m butnotexceeding 4 m |
| 7 | Depth exceeding4 m butnotexceeding 6 m |
| 8 | Depth exceeding6 m butnotexceeding 8 m |
| 9 | Depth exceeding8 m butnotexceeding 10 m |
| 10 | Depth exceeding10 m butnotexceeding 15 m |
| 11 | Earthworkinexcavationupto any depth below ground level in hard rock requiring blasting (but excluding controlled blasting) including setting out, levelling, dewatering (wherever required), dressing the sides & bottom, all lifts,necessary licenses/statuatory clearances for blasting, supply, storage & handling of blasting materials, stacking/disposal of surplus excavated materialwithin a lead upto 1 Km, spreading / levelling of disposed materials etc all complete for following depths below ground level. |
| 12 | Depth from ground level but not exceeding2 m |
| 13 | Depth exceeding2 m butnotexceeding 4 m |
| 14 | Depth exceeding4 m butnotexceeding 6 m |
| 15 | Depth exceeding6 m butnotexceeding 8 m |
| 16 | Depth exceeding8 m butnotexceeding 10 m |
| 17 | Depth exceeding10 m butnotexceeding 15 m |
| 18 | Earthworkinexcavation in hard rock requiring controlled blasting including wedging, line drilling, pre shearing etc as required, setting out, levelling, dewatering (wherever required), dressing the sides & bottom, all lifts,necessary licenses/statuatory clearances for blasting, supply, storage & handling of blasting materials, stacking/disposal of surplus excavated materialwithin a lead upto 1Km, spreading / levelling of disposed materials etc all complete for following depths below ground level. |
| 19 | Depth from ground level but not exceeding2 m |
| 20 | Depth exceeding2 m butnotexceeding 4 m |
| 21 | Depth exceeding4 m butnotexceeding 6 m |
| 22 | Depth exceeding6 m butnotexceeding 8 m |
| 23 | Depth exceeding8 m butnotexceeding 10 m |
| 24 | Depth exceeding10 m butnotexceeding 15 m |
| 25 | Earthworkinexcavation in hard rock requiring chiselling including setting out, levelling, deawtering (wherever required),dressing the sides & bottom, all lifts, stacking/disposal of surplus excavated materialwithin a lead upto 1Km, spreading / levelling of disposed materials etc all complete for following depths below ground level. |
| 26 | Depth from ground level but not exceeding2 m |
| 27 | Depth exceeding2 m butnotexceeding 4 m |
| 28 | Depth exceeding4 m butnotexceeding 6 m |
| 29 | Depth exceeding6 m butnotexceeding 8 m |
| 30 | Depth exceeding8 m butnotexceeding 10 m |
| 31 | Depth exceeding10 m butnotexceeding 15 m |
| 32 | Earthwork in Back filling upto any depth below ground level around foundations, plinths, trenches, drains etc. to propergradeand level in layers not exceeding 250 mmthickness using/withselectedmaterials from compulsorily excavatedearthavailable within a lead upto 1 Km and compacted as specified including re-excavation of stacked earth, watering, ramming/compaction by manual/mechanical means, dressing etc all complete.for the following. |
| 33 | at least 90% maximum dry density as per IS-2720 (Part-VII) |
| 34 | at least 95% maximum dry density as per IS-2720 (Part-VII) |
| 35 | Earthwork in Back filling upto any depth below ground level around foundations, plinths, trenches, drains etc to propergradeand level in layers not exceeding 250 mmthickness using/withselectedearth directly from excavation within a lead upto 1Km and compacted as specified including watering, ramming/compaction by manual/mechanical means, dressing etc all complete.for the following: |
| 36 | at least 90% maximum dry density as per IS-2720 (Part-VII) |
| 37 | Extra over ST No. 101 and 103 to 108 for carriage of material/earthfor every 500m or part thereof beyond an initial lead of 1km. |
| 38 | Carriage for disposal of serviceable/unserviceable material/ earth |
| 39 | Supplying and fillingsand upto any depth under floors, around foundations, plinths etc. in layers not exceeding 250 mmthickness and compacted so as to achieve at least 80% relative density as per IS-2720 (Part-XIV) including spreading, watering, ramming/compaction by manual / mechanical means, dressing, royalty (if any) etc. all complete. |
| 40 | For 80% Relative Density |
| 41 | Extra over item no. 101 for shoring and strutting in trenches including packing cavities (wherever required as instructed by engineer) all complete as per specification and as directed by engineer in charge. |
| 42 | upto depth of 2m |
| 43 | Depth exceeding2 m butnotexceeding 4 m |
| 44 | CONCRETE WORK:Providing and placing concrete work including cost oflabour, materials(unless otherwise specified in BOQ/contract specification)and equipment forhandling, transportation, batching, mixing,placing, vibrating and curing(excluding cost of centering, shuttering and reinforcement)with mechanised equipments like batching plant, transit mixer, concrete pump etc. completeas per drawing, specifications and as per direction of engineer in charge for the following. Note: Cement shall be issued free of Cost by BHEL |
| 45 | Design Mix Concreteof grade M7.5 (with partial replacement of river sand by mass with coarse bottom ash) as mass filling course,lean concrete, levelling course, mud mat under and around foundations/floors below finished floor level upto depth of 10m from FFL. Notes: 1. For depth greater than 10m from FFL, extra over for additional depth to be paid in Item No 224. 2. Bidder to collect Coarse Bottom Ash from NTPC at nominal charge. |
| 46 | Extra over item no. A201 for using Concreteof grade M7.5 (1 part cement, 4 part sand, 8 parts of 40 mm graded aggregate by volume) in place ofDesign Mix Concrete of grade M7.5 (with partial replacement of river sand by mass with coarse bottom ash). |
| 47 | Design Mix Concrete of grade M10 (with partial replacement of river sand by mass with coarse bottom ash as per relevant IS code provision) using 40 mm nominal size graded stone aggregate as mass filling course,lean concrete, levelling course, mud mat under and around foundations/floors below finished floor level upto depth of 10m from FFL. Notes: 1. For depth greater than 10m from FFL, extra over for additional depth to be paid in Item No 224. 2. Bidder to collect Coarse Bottom Ash from NTPC at nominal charge. |
| 48 | Extra over item no. A202 for using Concreteof grade M10 (1 part cement, 3part sand, 6 parts of 40 mm graded aggregate by volume) in place of Design Mix Concrete of grade M10 (with partial replacement of river sand by mass with coarse bottom ash). |
| 49 | Concrete of grade M15 (1 part cement, 2 part sand, 4 parts of 40 mm graded aggregate by volume)as lean concrete, levelling course, mud mat under and around foundations/floors below finished floor level upto depth of 10m from FFL. Note: For depth greater than 10m from FFL, extra over for additional depth to be paid in Item No. 224. |
| 50 | Concrete of grade M20 (1 part cement, 1.5 part sand, 3 parts of 10-20 mm graded aggregate by volume)under floors, paving, plinth protection, pipe encasing etc complete below finished floor level upto depth of 10m from FFL. Note: For depth greater than 10m from FFL, extra over for additional depth to be paid in Item No. 224. |
| 51 | Design Mix cement concrete conforming to IS:456 & IS 10262-2009 for reinforced concrete works with coarse sand and graded hard stone aggregate of 20mm nominal sizein foundations/substructure, grade slab, paving, drains, under floors etc. for any shape, position or thickness etc. completeincluding use of high performance PCE-based BIS approved water reducing admixture of Type-G/F as per ASTMC-494 of approved make FOSROC/SIKA/BASF or Equivalent having minimum water reduction capability of 30% to achieve required slump in concrete all complete as per specification & drawing for thefollowing. |
| 52 | M 25 Grade |
| 53 | M 30 Grade |
| 54 | M 35 Grade |
| 55 | Providing and laying Design Mix cement concrete of grade conforming to IS:456 & IS 10262-2009 for reinforced concrete workswith sand and graded hard stone aggregate of 20mm nominal size in superstructure for any shape, position or thickness etc complete including use of high performance PCE-based BIS approved water reducing admixture of Type-G/F as per ASTMC-494 of approved make FOSROC/SIKA/BASF or Equivalent having minimum water reduction capability of 30% to achieve required slump in concrete all complete as per specification & drawing upto 10m level above finished floor level for thefollowing.: Note: For height greater than 10m from FFL, extra over for additional height to be paid in Item No 225 |
| 56 | M 25 Grade |
| 57 | M 30 Grade |
| 58 | M 35 Grade |
| 59 | Providing and encasing of structural steelmember withconcrete using nominial aggregate size of 12.5mm down.Encased membershall bewrapped with welded wire mesh/chicken wire mesh withproper lap etc. complete as per specification for the following grades. |
| 60 | M 20 |
| 61 | M 25 |
| 62 | Screed concrete conforming to IS 456 with sandand graded hard stone aggregate 12.5mm/6 mm nominal size on the roof upto 10m level above finished floor level etc. complete as per following. Note: For height greater than 10m from FFL, extra over for additional height to be paid in Item No 225. |
| 63 | 0.0431018518518519 |
| 64 | 0.0423842592592593 |
| 65 | Providing and laying Design Mix cement concrete as per IS:456 & IS 10262-2009 for reinforced concrete works using graded aggregate for Concrete in precast works likeroof slabs/trench covers, fins, lintels, chajas, beams, columns, wall panels, facias etc. at all levels in all kinds of work including formwork/moulds, curing, rendering the top exposed surface with cement sand mortar (1:3), handling, storing, transpoting, all leads, erection without damage, setting in position with cement sand mortar (1:3), filling the gaps between adjacent preacast units with M30 grade concrete or cement sand mortar (1:3) and including making of holes for bolts for fixing, welding etc. complete with graded aggregate (20/12.5/10 mm) and as per specification and drawing for following grades. |
| 66 | M25 |
| 67 | M30 |
| 68 | Providing and laying Design Mix cement concrete as per IS:456, IS 3370 & IS 10262-2009 for reinforced concrete works using graded aggregate for Concrete in water retaining/conveying structures including addition of high performance PCE-based BIS approved water reducing admixture of Type-G/F as per ASTMC-494 of approved make FOSROC/SIKA/BASF or Equivalent having minimum water reduction capability of 30% and suitable waterproofing cement additives to achieve a slump more than 125 mm in concrete as per manufacturers recommendation and conforming to limits of permeability as per IS 2545 and specification with 20 mm nominal size graded aggregate upto depth of 10m from FFL, for following grades. Watertightness is to be ensured including structural grouting if required. Note: For depth greater than 10m from FFL, extra over for additional depth to be paid in Item No 224. |
| 69 | M30 |
| 70 | M35 |
| 71 | Dismantling concrete work for all types of structures at all levels including stacking of servicable material to a lead of 500 m and disposal of unservicable material upto a lead of 2 km, cutting of reinforcement, labour, equipment, safety precautions etc all complete as per drawings, specification and instructions of engineer in charge. |
| 72 | Plain cement concrete of all grades |
| 73 | Reinforced cement concrete of all grades |
| 74 | Chipping of concrete in reinforced concrete work, cutting pockets, making openings at all levels and according to shapes, disposal of waste materials upto a lead of 2 km as directed by engineer including equipment, safety precautions, making good the broken surface etc all complete as per specification, drawing, instructions of engineer in charge but excluding cutting of reinforcement . |
| 75 | Extra over and above ST No. 216 for cutting of reinforcement, all sizes and types including labour, equipment, return of cut reinforcement to store etc all complete as per specification, drawings and instructions of engineer in charge. Measurement shall be on the cross sectional area of reinforcement cut. |
| 76 | Cutting Reinforced concrete with mechanised tools like Core drilling machine etc. for cutting pockets, holes, cores in slab, beam, column or foundation as per direction of engineer in charge. |
| 77 | Providing & laying Plum cement concrete 1:3:6 with 75% graded metal of maximum size 40 mm and 25% plums of maximum size 150 mm. |
| 78 | Cutting of existing concrete/ RCC work inside control room/pump house or anywhere inside boundaryusing power tools of (DD2E of HILTI/ BOSCH make) with low noise and dust including cutting reinforcements, removing the rubbish within a lead of 1 km, including making good the broken edges/ surface with cement mortar, painting, finishing to match with existing finishing, scaffolding/ supporting at any level, all complete and as directed by Engineer (measurements shall be taken as per cutting surface area). |
| 79 | Extra over item no. 201 to 205 and 214 for depth below FFL (Finished Floor Level) as per following: |
| 80 | Depth exceeding 10m from FFL but not exceeding 20m |
| 81 | Extra over item no. A206 and 212 for height above FFL (Finished Floor Level) as per following: |
| 82 | Height exceeding 10m from FFL but not exceeding 20m |
| 83 | FORMWORK:Providing,fixingand removing formworkatall elevations for all structures,as per specificationsand including all labour, material, scaffoldings and centereingetc. completeas per drawing, specifications and as per direction of engineer in charge for the following. |
| 84 | Fairface form work with good quality water proof ply wood of minimum 12mm thickness and smooth surface below finished groundfloor levelfor foundations, footings, baseofcolumns,walls,columns, pilasters,beams & slabs(for which scaffolding work not required for vertical support of bottom face of formwork),mass concrete,trenches, grade slab, pavingetc.including chamfering of edges as per drawing, specification and instruction of engineer in charge. |
| 85 | Upto Depth 10m From FGL |
| 86 | Depth exceeding 10m From FGL |
| 87 | Fairface form work with good quality water proof ply wood of minimum 12mm thickness and smooth surface above finished groundfloor levelforcolumns,beams,suspended/intermediatefloors, roofs,lintels, cantilevers, staircases,landings, balconies,etc. including chamfering of edges as per drawing.for all heights as perspecification, drawing and instruction of engineer in charge. |
| 88 | For Height Upto 20m from FGL |
| 89 | Providing, fixing and removing formwork in block-outs/pockets and openings (below 0.1 sqm plan area) at all elevations including cutting, formation of all shapes and all other operations required for making the required shape and size all complete as per specification, drawing and instruction of engineer in charge. |
| 90 | Upto 150 mm depth |
| 91 | Pockets of depths more than 150mm and upto 300 mm depth |
| 92 | REINFORCEMENT WORK : Reinforcement work including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling etc at all level as per specification, drawings and as directed by engineer - in - charge. |
| 93 | Transportation, straightening, cutting, bending, placing in position at any level, binding in position of steel reinforcements of TMT steel of grade Fe-500D or 500EQR or HCRM or any other Grade confirming to IS:1786 including cost of binding wire, labour, scaffolding,transportation to & from stores etc complete all as per specifications, drawings and as directed by Engineer. Note: TMT Steel shall be issued free of cost by BHEL. |
| 94 | Fixing of Rebar in existing concrete surface by inserting reinforcemnet bar with Epoxy based suitable bonding compound of Hilti or equivalent make (HIT-RE-500 of Hilti or equivalent make) for interconnection of new R.C. structure with existing R.C. structure. Depth of drilled hole should be suitable to develop maximum recommended strength as per approved manufacturer"s recommendation. This item includes supply of all materials including bonding chemicals, T&P required to execute the work, cost of all labour, transportation of chemical, staging to reach work place etc. all complete as directed by Engineer - in - Charge. Random Pull out non destructive test as directed by engineer shall beconducted to ensure strength of bond and same is included in this item. Note: Reinforcement bars shall be paid separately under item no. 403. |
| 95 | 12mm Reinforcement bar |
| 96 | 16mm Reinforcement bar |
| 97 | 20mm Reinforcement bar |
| 98 | 25mm Reinforcement bar |
| 99 | 28mm Reinforcement bar |
| 100 | Supply and fixing reinforcement bar couplers (of approved manufacturer"s as per the relevant IS code) in position for steel reinforcements of TMT steel of grade Fe-500D or 500EQR or any other Grade confirming to IS:1786 including , labour, scaffolding,transportation to & from stores etc complete all as per specifications, drawings and as directed by Engineer. Note: Supply of Reinforcement bar couplers is in contractor"s scope. |
| 101 | 12mm dia |
| 102 | 16mm dia |
| 103 | 20mm dia |
| 104 | 25mm dia |
| 105 | 28mm dia |
| 106 | Roof Treatment works:Roof treatment works including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling, curing, sampling, testing etc at all level as per specification, drawings and as directed by engineer - in - charge. |
| 107 | Providing and applying PU based water proofing treatment with one coat of polyurethane or any other equivalent material based primer with an application rate of minimum 6 sqm per litre and two successive liquid coatings of high solids content urethane pre-polymers or equivalent material based finish coats as per relevant IS/ASTM standards to form an elastomeric membrane with overall dry film thickness1.5 mm subject to minimum 500 gm/sqm/coat application rate. Item includes surface preparation, polyscrimcloth /fabric, polymerised mortar base preparation, etc. all complete as per specifications and directions of engineer in charge. |
| 108 | Providing and laying wearing course consistingof 25mm thick plain cement concrete of grade M15 (1:2:4) with graded aggregate of 12.5mm size, cast in panels of maximum size 1.2mx1.2m and reinforced with 0.56 mm dia. galvanised chicken wire mesh and sealing of joints (in grooves of 6mm X 6mm) using silicon /elastomeric compound etc all complete. Note: Cement will be issued free of cost by BHEL. |
| 109 | Providing and laying pressed precast concrete tiles of 20 mm thickness and size 600x600 mm conforming to IS 13801 with20 mm thick 1:4 cement mortar over the top most layer of roofing treatmentwith fine joints including sealing of joints(polysulphide/ silicon/elastomeric sealant) etc all complete. Note: Cement will be issued by BHEL free of cost for cement mortar only. |
| 110 | Providing and mixing water proofing compound conforming to IS:2645 in concrete or cement mortar all complete. |
| 111 | JOINTS AND FILLERS:Joints & fillers including all labour, material, equipment, transportation, handling etc at all level as per specification, drawings and as directed by engineer - in - charge. |
| 112 | Supplying&installationof bitumen impregnated fibre board confirming to IS 1838 asjoint filler at joints in concrete including nailing, coating of both faces with coal tar pitch/bitumin etc. all complete. |
| 113 | 12 mm wide joints. |
| 114 | 20 mm wide joints. |
| 115 | 25 mm wide joints |
| 116 | Providing and applying polysulphide based sealant conforming to IS:12118 in expansionjoints in concrete including 10 mm thick baler rod, cleaning of joints, raking out groove, application of primer, scaffolding etc. all complete for following size grooves. |
| 117 | 25mmX25mm groove size |
| 118 | 50mmX25mm groove size |
| 119 | Supplying and filling in position hot applied bitumen sealing compund (Grade A) confirming to IS:1834 including cleaning, mixing, heating, pouring/injecting sealing compound in gaps in joints including application of primer etc. all complete. |
| 120 | 10mm X 40mm |
| 121 | 12mm X 25mm |
| 122 | 20mmX25mm |
| 123 | Providing and fixing PVC water stops in joints conforming to IS:12200 & IS:15058 all complete for the following: (Bulb or Kicker type) |
| 124 | 230 mm wide and 6 mm thick |
| 125 | Providing and fixing copper water stops in joints of deep underground structure all complete for the following: |
| 126 | 600mm wide and 22G copper plate |
| 127 | MS EMBEDMENTS: Embedments including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling etc. at all level as per specification, drawings and as directed by engineer - in - charge. |
| 128 | Supply,fabricating and fixing of mild steelembedments, inserts, pipe sleeves, anglepieces, rungs ofvariousdiameters,platesof dimensionsasrequired etc.includingwelding, bolting, cutting, drilling, scaffolding, setting etc. all complete. |
| 129 | Supply, Fabrication, transportation, delivery at site and erection, installation and alignment of mild steel foundation bolt assembly conforming to IS:2062 and grade 1 of IS:432in concrete along with nuts, lock nuts (as per IS:1363, 1364 and IS:3138), washers, anchor plates, stiffner plates, protective tape, pipe sleeves, templates etc. including welding, cutting, grinding, threading, drilling etc. all complete. |
| 130 | Supply of mild steel foundation bolt assembly conforming to IS:2062 and grade 1 of IS:432along with nuts, lock nuts (as per IS:1363, 1364 and IS:3138), washers, anchor plates, stiffner plates, protective tape, pipe sleeves, templates etc. including welding, cutting, grinding, threading, drilling etc. all complete. |
| 131 | Same as above items 701 & 702 with BHEL supplied material free of cost including loading, transportation, unloading etc. all complete from BHEL store to plant site. |
| 132 | Mild steelembedments, inserts, pipe sleeves, anglepieces, rungs ofvariousdiameters,platesof dimensionsasrequired etc. |
| 133 | Mild steel foundation bolt assembly conforming to IS:2062 and grade 1 of IS:432in concrete along with nuts, lock nuts (as per IS:1363, 1364 and IS:3138), washers, anchor plates, stiffner plates, protective tape, pipe sleeves, templates etc. |
| 134 | Supplying, fabricating, erecting and installing following items in concrete/brickwall for all kind of works, including setting material in concrete, layout, scaffoling, cutting, forming, grinding, drilling, bolting, welding, jointing, testing etc. all complete. |
| 135 | MS pipes of all diameters |
| 136 | PVC pipes / conduits of all diameters |
| 137 | Expansion anchor fasteners (galvanised) of HILTI make(HUD-1 Universal Fastners) or equivalent of safe tensile capacity as specified below for brick work with expansion sleeve of A6 polyamide: |
| 138 | 8mm Dia |
| 139 | 10mm Dia |
| 140 | 12mm Dia |
| 141 | 14mm Dia |
| 142 | Expansion fasteners (mechanical galvanised) of HILTI make or equivalent of safe tensile capacity as specified below for concrete work with expansion sleeve of stainless steel: |
| 143 | HST M8 |
| 144 | HST M10 |
| 145 | HST M12 |
| 146 | HST M16 |
| 147 | Chemical Expansion fasteners (galvanised)of HILTI make or equivalent of safe tensile capacity as specified below for concrete work with anchoring rod,nuts,washers,chemicals all complete,etc: |
| 148 | HAS-E5.8 M8 |
| 149 | HAS-E5.8 M10 |
| 150 | HAS-E5.8 M12 |
| 151 | HAS-E5.8 M16 |
| 152 | HAS-E5.8 M20 |
| 153 | HAS-E5.8 M24 |
| 154 | GROUTING:Grouting including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, roughening surface, cleaning, ramming, curing etc. at all level , drawings and as directed by engineer - in - charge. Note: Cement will be issued by BHEL free of cost. |
| 155 | Providing & grouting with cement slurry mix of approved ratio using pressure pump for water retaining concrete structures as per approved procedure including cost of nipples/ nozzles,cement, admixture, curing, pressure pumps, slurry agitator etc. all complete. Cost shall include fixing of nipples at maximum 500 mm centre to centre spacing, cutting of nipples after completing of grouting, making good of the nipple hole with appropriate non-shrink cement paste, water tightness test etc. all complete wherever specified in the drawing. |
| 156 | Providing & grouting of pocket holes, pipe sleeves and under base plate of structural steel work/ machinery/ pipe supporting structures including roughening of surface, cleaning, ramming, curing etc. all complete with mix 1:1:2 (1 cement : 1 coarse sand : 2 aggregate of 6 mm down graded stonechips ) using non shrink admixture as per specification, drawing and direction of engineer-in-charge. Note: Cost of cleaning the pocket by compressed air shall be in the scope of the contractor. |
| 157 | Providing & grouting of pocket holes, pipe sleeves and under base platesof structural steel work/ machinery/ pipe supporting structures including roughening of surface, cleaning, ramming, curing, etc. all complete with Conbextra GP-2 or equivalent as per specification, drawing and direction of engineer-in-charge. Note: Cost of all material and cleaning of the pockets by compressed air shall be in the scope of the contractor. |
| 158 | Providing on the outer surface of walls, frames, rafts and roof slabs coming in contact with earth, Polymer modified cementitious coating in two layers as specified and as per manufacturer’s specifications shall be provided directly on the concrete surface. |
| 159 | Providing 50 mm thick P. C. C. (1 : 2 : 4 with 10 mm nominal size stone aggregates) under the raft i.e. over the lean concrete, followed by polymer modified cementitious coating in two layers ( slurry mix application ) as per manufacturer’s specification. And 50 mm thick P. C. C. ( 1 : 2 : 4 ) with 10 mm nominal size stone aggregates shall then be laid over the polymer modified cementitious coating before laying the raft. Note: P.C.C.(1:2:4) shall be paid separately under applicable BOQ Item. |
| 160 | Providing Chemical Injection Grouting with Minimum, 12 mm dia (NB) threaded nozzle of suitable length over the surface and along the construction joint line in a grid pattern at a spacing not exceeding 1.5m c/c before concreting operation after the nozzles are fully set, neat cement slurry admixed with water soluble non-shrink polymer / monomer based chemical shall be injected through the net - work of nozzles with low pressure grout pumps at a pressure of about 2.0 Kg/Sqcm. Cement slurry shall be prepared by mixing cement with non-shrink polymer/monomer @ 500 gm/50 kg bag of cement and water, ensuring that Water: Cement ratio does not exceed 2 (by weight). Wetter the structure, lesser should be the water cement ratio. The property of the polymer/monomer should be such that when it is mixed with water @ 0.5% by weight of water, the viscosity of the resultant solution (water and polymer/monomer) should not be more than 1.2 centipoises. Plasticizing agent shall be added wherever required. The grouting shall be started at very low pressure and increased gradually to a required pressure. The grouting shall continue, till the hole refuses to take any further grout, even at an increased pressure. Applied pressure shall not be more than the designed strength of the concrete. After completion of grouting operation, the nozzles shall be sealed properly to the satisfaction of the Engineer |
| 161 | DOORS & WINDOWS:Doors, windows, ventilators, louvers, roofventilators, rolling shutters, partitions including all labour, material(unless otherwise specified in BOQ/contract specification), equipments, transportation, handling, preparation of working drawings etc. at all level as per specification, drawings and as directed by engineer - in - charge. |
| 162 | Providing and fixing single or double steel door shutters with 45mm thk flush design shutter comprisingof two outer sheets of 18 gaugesteel sheetsrigidlyconnected andreinforcedinside with continuous vertical 20 gauge stiffeners, spot weldedinpositionat not morethan 150mm on centresincluding void filled with mineral wool (density as per specification), all fittings, Godrej or equivalent make mortice lock with handle on both sides, side, top & bottom edges of shutter shall be reinforced by continous pressed steel chanel with min 18G, shop and final paintingetc all complete. |
| 163 | Providing and fixing steel windows/ventilatorwithsteelsections as per IS:1038, IS:1361 & IS:7452 latest revision including all fittings, metal beadings, hold fasts, shop and final painting ,glazing etc. all complete. Note: Glazing shall be paid separately under applicable BOQ Item. |
| 164 | Openable type |
| 165 | fixed type |
| 166 | Providing and fixing anodised aluminium work of Jindal, Hindalco or other equivalent approved make for door frames, windows, ventillators, partitions, railing etc with extruded standard tubular and other sections including all fittings & fixtures and accessories of approved make conforming to IS733 and IS1285, anodised and electro color dyed to required shade according to IS 1868 (minimum anodic coating of grade AC15), fixed with rawl plugs, expansion fasteners, SS screws or with fixing clips, including necessary filling of gaps at junctions, at top, bottom and sides with required PVC/neoprene felt for bi-metalic protection etc. including preperation of working drawings, aluminium cleat angle, aluminium snap-on-beading for glazing/panelling, stair case tread nosing, with all fittings and fixtures (like tower bolts, handles, door stopper with rubber shoes, "L" drops, stays, floor springs, hydraulic door closures etc.), CP brass/stailess steel screws, providing and fixing hinges/pivots, and making provision for fixing of fitting wherever required including cost of PVC/neoprene gasket, all complete as per drawing, specification and instructions of engineer in charge. Weight of aluminium section only shall be measure. Note: Glazing and panelling shall be paid seperately under applicable BOQ Item. |
| 167 | Providing, fixing and fitting ofglazing of first grade class in steel/aluminium/wooden frames, where ever required, cleaning after fixing including hardware, gaskets, clips, beadings etc. all complete. |
| 168 | 6 mm thick clear toughened safety glass |
| 169 | Providingand fixing steel louvered window with ISMC 100 frame all round including verticals with 18G pressed steel louvers, painting etc. all complete. |
| 170 | BRICKWORK:Brickwork masonry including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling, scaffolding etc. at all levels as per specification, drawings and as directed by engineer - in - charge. Note: Cement will be issued free of costby BHEL for cement mortar only. |
| 171 | Providingbrickworkin cementmortar1:6(1 part cement6 partscoarse sand) in walls,chambersetc. in thicknessvaryingfrom230mm to460mmatall depths, places and positions below plinthincluding raking out joints, curing,scaffolding etc. completeexcludingplasteringandpainting. |
| 172 | Usingfly ash lime bricks confirming to IS 12894 with crushing strength of 75 kg/cm2(including cost of cement for brick making) |
| 173 | Providingbrickworkin cementmortar1:6(1 cement6 coarse sand) in walls, chambers etc.in thickness 230mm upto 10m level above finished floor level, places and position above plinth including raking out joints,curing, scaffolding etc complete but excluding plasteringand painting. Note: For height greater than 10m from FFL, extra over for additional height to be paid in Item No 1014. |
| 174 | Usingfly ash lime bricks confirming to IS 12894 with crushing strength of 75 kg/cm2(including cost of cement for brick making) |
| 175 | Providingbrickworkin cementmortar1:4(1 cement 4 coarse sand) in partition walls, chambers etc. in thickness 115mm upto 10m above finished floor level, places and position aboveorbelowplinth/graded level including providing two nos. 6 mm diameter MS bars at every third layer,raking out joints, curing,scaffolding etc complete excludingplastering and painting as per specification. Note: 1. For height greater than 10m from FFL, extra over for additional height to be paid in Item No 1015. 2. Reinforcement payment shall be made seperately as per applicable BOQ in 400 Series. |
| 176 | Usingfly ash lime bricks confirming to IS 12894 with crushing strength of 75 kg/cm2(including cost of cement for brick making) |
| 177 | Breaking of existing brick work at all levels including plastering, removing the rubbish up to a distance of 500 m including transportation, loading, unloading etc. all complete as directed by the engineer. |
| 178 | Providing and encasing of structural steelmember withmasonary work around flanges, webs etc.and fillingthegapbetween steelandmasonryby minimum12mm thick mortar of 1:6 upto 10m level above finished floor level.Encased membershall bewrapped with chicken wire mesh with50mmlap etc. complete as per specification. (Chicken wire mesh to paid separately) Note: For height greater than 10m from FFL, extra over for additional height to be paid in Item No 1014. |
| 179 | Usingfly ash lime bricks confirming to IS 12894 with crushing strength of 75 kg/cm2 (including cost of cement for brick making) |
| 180 | Makingopeningsinexistingbrickwall or partition wall including making good thebroken edges/surface with cement mortar 1:6 etc. complete. |
| 181 | Supply and placing in position mild steel wire fabric (Chicken Wire Mesh) of square mesh 25 mm size and wire diameter of 2 mm for encasing of steel sections in concrete including cutting, bending, fixing etc. complete. |
| 182 | Extra over item no. 1002 & 1006 for height above FFL (Finished Floor Level) as per following: |
| 183 | Height exceeding 10m from FFL but not exceeding 20m |
| 184 | Extra over item no. 1003 for height above FFL (Finished Floor Level) as per following: |
| 185 | Height exceeding 10m from FFL but not exceeding 20m |
| 186 | DAMP PROOF COURSE:Damp proof course including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling, shuttering, centering, curing etc at all level as per specification, drawings and as directed by engineer - in - charge. Note: Cement will be issued free of cost by BHEL. |
| 187 | Providing Damp Proof Course 50mm thick 1:1.5:3 concrete (6 mm and down graded stone chips) with 1% of approved admixtureof water proofing compound all complete. Then hot bitumen (residual petroleum bitumen of penetration 80/100 of approved quality) shall be applied over the prepared surface in two coats at the rate of 1.7kg per sq. meter per coat and dry sand spread over it. |
| 188 | 50mm thick |
| 189 | PLASTERING:Cement mortar plaster including making grooves wherever required including all labour, material (unless otherwise specified in BOQ/contract specification), scaffolding, curing etc at all level as per specification, drawings and as directed by engineer - in - charge. Note: Cement will be issued free of cost by BHEL. |
| 190 | Providing18mm thick plaster in two layers outside the building/boundary wall in cement mortar as applicable upto 10m above finished floor level (For height greater than 10m from FFL, extra over for additional height to be paid in Item No 1206) onwalls,finishedto a smooth finish including providing 3mmx3mm size grooves at junctions of two dissimilar materials all complete |
| 191 | Cement Mortar 1:6 |
| 192 | Providing12mm thick plaster internal/external surfaces of building/boundary wall in cement mortar as applicable above finished floor level (For height greater than 10m from FFL, extra over for additional height to be paid in Item No 1206) onwalls finishedto a smooth finish as per specification all complete. |
| 193 | Cement Mortar 1:6 |
| 194 | Providing12mm thick plaster in cement mortar 1:6onwalls with rough finish all complete. |
| 195 | Providing12mm thick plaster in walls, drains/culverts with a paste of neat cement @ 1kg/sqm and rubbed smooth with trowel etc. all complete. |
| 196 | Extra over Item 1201 to 1202 for plastering on exterior walls over & above 10m height from FGL. |
| 197 | Height exceeding 10m from FGL but not exceeding 20m |
| 198 | FINISHES TO CONCRETE / PLASTERED SURFACES: Finishes, painting to concrete, plastered surfaces including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, surface preparation, scaffolding etc. at all level as per specification, drawings and as directed by engineer - in - charge. |
| 199 | Twoor more coats of acrylic distemper of approved brand andmanufacturetogive an even shade includingapriming coat with distemper primer complete. |
| 200 | Providing and applying twoor more coats of acrylic emulsion paint as per IS 5411 of approved brand, shade andmanufactureto give smooth, hard, durable & glossy finish over a coat of primer over prepared plaster surface as per manufacturers guideline. |
| 201 | Providing andapplying2ormorecoats of acid/alkali resistant paint of approved brand and colourto floors, walls and ceiling including preparation of surfaceto receive paint, providing andapplying bitumen primer confirming to IS 158 complete allaspermanufacturer"s recommendationsand as approved byengineer,at allheights above or below grade level,complete as per specifications. |
| 202 | Twoor more coats of synthetic enamel paintof approvedmake made fromsynthetic resins and drying oil withrutile titaniumdioxide and other selectedpigmentsto give smooth, hard, durable & glossy finish toall interiorand exterior surfaces complete. |
| 203 | Providingandapplying2 mm thick plaster of paris punning on walls including preparation of surface, staging, etc. to achieve a smooth even surface all complete as per specification and as directed by Engineer. |
| 204 | Providing and applying 2 mm thick white cement punning on walls including preparation of surface, staging, etc to achieve a smooth even surface all complete as per specification and as directed by engineer. |
| 205 | Providing and applying twoor more coats of Premium Acrylic Smooth Exterior paint with silicone additives ofapproved brand andmanufacture and required shade over one coat of primer of waterproof cement paintafter necessary cleaning/ washing, preparing the surface using coir brush/ wire brush, sand paper, including filling of cracks with putty wherever required etc. all complete to give smooth, hard, durable & glossy finish over a coat of primer over prepared plaster surface as per manufacturers guidelines. The final finished coating shall be fungus resistant, UV resistant, water repellant and extremely durable with color fastness as per specification. |
| 206 | FLOORING AND SKIRTING:Flooring and skirting at all level including base layer, labour, material (unless otherwise specified in BOQ/contract specification), equipments, transportation, handling, curing, polishing etc. at all level as per specification, drawings and as directed by engineer - in - charge. Note: Cement will be issued free of cost by BHEL. |
| 207 | Providing and laying50 mm thick heavy duty cement concrete in flooring with metallic hardener pigmented topping 12mm thick uniform graded treated iron particles in flooring. Underlayerof38mm thick cement concrete mix 1:2:4 (1 cement: 2 sand : 4 stone aggregates 12.5 mm 20 well graded) and top layer of 12mm thick metallic concrete of mix 1:2 (1cement hardner mix with approved quality metallic hardening compound :2 stone aggregate 6mm nominal size) by volume includingcement slurry, rounding offedges, aluminium strips etc. all complete for following (Quoted item rate shall be inclusive of providing glass joint strips): |
| 208 | Providing and laying polished Kota stone 18mm to 20mm thk in flooring.Under bed shallaverage 30mm thk of1 cement : 2 sand : 4 stone aggregates by volume andbroughttoproperlevel. Thekotastone slabs/tileslaidoverunderbed,pressedand tappeddownwithwooden mallettotheproper level, lifted and pressed again with thickcement slurry@4.4kg/sqm spreadover the surface withfinejoint finishedincludingpigments,curing,grinding, granite polishing etc. all complete. |
| 209 | RAIN WATER DOWN TAKE PIPES: Rain water down take pipes at all level including all labour, material(unless otherwise specified in BOQ/contract specification), transportation, 2 coats of approved paint over one primary coat, fixtures, accessories etcas per specification, drawings and as directed by engineer - in - charge. |
| 210 | Providing and fixing galvanised MS down take pipes of 150 mm dia- Medium quality as per IS:1239(part-I) all complete. |
| 211 | Providing and fixing galvanised ERW steel down take pipes of medium duty as per specification of following diameters. |
| 212 | 273mm OD and 4mm thick |
| 213 | MISCELLANEOUS:Miscellaneous works including all labour, material (unless otherwise specified in BOQ/contract specification), equipment etc. at all level unless otherwise specified as per specification, drawings and as directed by engineer - in - charge. |
| 214 | Providing and Filling in trenches, plinths, area paving and other underground structures with graded stone aggregate of size range 63 mm to 45 mm in layers not exceeding 230 mm compacted thickness including breaking of stone boulders to required sizes, filling the interstices with well graded selected sand and compacting to 90 % of original volume of stone stack for all lifts etc. all complete. Payment shall be made for the measurement of the volume of the compacted fill. |
| 215 | Providing and Filling in trenches, plinths, area paving and other underground structures with graded stone aggregate of size range 63 mm to 45 mm in layers not exceeding 275 mm compacted thickness including breaking of stone boulders to required sizes, filling the interstices with well graded selected sand and compacting to 90 % of original volume of stone stack for all lifts etc. all complete. Payment shall be made for the measurement of the volume of the compacted fill. |
| 216 | Providing and fixing weep holes in Retaining wall, drains, etc consisting of 100 mm dia HDPE pipe sleeveswith single side covering for the pipe mouth with galvanised welded wire fabric of 20 mm sq. openingall complete. |
| 217 | Anti termite chemical treatment of soil with Chlorpyriphos/Lindane E.C. 20% with 1% concentration conforming to IS:8944 and as per IS 6313 all complete. (Plinth area of building at ground floor only shall be measured for payment). Drilling 12mm dia hole @300 c/cusing material one liter per hole. |
| 218 | Providing random rubble (RR) stone masonary in founadation, super structure, boundary wall, retaining walland embankment with cementmortar 1:6 at all elevations including all labour, material, equipment, handling, scaffolding etc. all complete. |
| 219 | FENCING AND GATES:Fencing and gates including all labour, material (unless otherwise specified in BOQ/contract specification), equipment etc at all level as per specification, drawings and as directed by engineer - in - charge. |
| 220 | Supplying and erecting in position 2.4 m high PVC coated gavanised chain linked fencing of minimum 8 gauge (including PVC coating ) of mesh size 75mm x 75mm. The diameter of the hot dip galvanised steel wire for chain link fencing excluding PVC coating shall not be less than 12 gauge. GI barbed wire fencing of height of 600 mm confirming to IS 298 at top of chain link fencing shall be provided with 4 strands ofbarbed wire hot dip galvanised wire of 12G comprising of 2 ply of wires with barbs of 16G spaced at 100mm. Cost to include for GI hook bolts, rings & washers, hot dip galvanised tension wires, 25X6 mm GI flat stretcher bar at end posts, accessories etc. all complete. Note: Structural post shall be separately under BOQ Item No. 2007. |
| 221 | Supply and fixing of hot dip galvanised mild steel posts for fencing. Rate of zinc coating shall not be less than 710 g/m2 on steel posts. |
| 222 | WATER SUPPLY:Water supply work including men, material (unless otherwise specified in BOQ/contract specification), equipment etc. at all level as per specification, drawings and as directed by engineer - in - charge. |
| 223 | Providing & fixing in position P.V.C. water tank of Syntex or approved equivalent including making all necessary inlet & outlet pipes, fixture, ball cocks, valves etc all complete for following capacities. |
| 224 | 500 litres capacity |
| 225 | Supply, laying and jointing UPVC pipes of class 3 as per IS:4985 including bends,branchesand allother necessary fittings, M.Sholder bats/clamps,cutting and making good thewalls and floors, jointing, testing etc allcomplete for following. |
| 226 | 75mm dia pipes |
| 227 | 110mm dia pipes |
| 228 | Providing and fixing HDPE pipes inconcrete/ brick work of following sizes including cutting, fixing and levelling in position etc. all complete. |
| 229 | Upto 75 mm dia |
| 230 | 100 mm dia |
| 231 | STRUCTURAL WORKS:Structural steel works including all labour, material (unless otherwise specified in BOQ/contract specification), equipments unless otherwise specified, transportation, handling etc. at all level as per specification, drawings and as directed by engineer - in - charge. |
| 232 | Erection and alignment of prefabricated structures with mild steel rolled section / built up section / combination of both conforming to IS:2062, pipes conforming to IS:1161/ IS:1239, tubular sections confirming to IS 4923, chequered plate conforming to IS: 3052, mild steel rounds, monorails, stays, safety chains, ladders, MS gratings etc. in columns, beams, gantry girders, bunkers, silos, hoppers, roof trusses, portals, laced purlins, space frames,hangers, struts, monorails, galleries, stiffeners, wall beams, sheeting runners, brackets, stub columns, bracings, cleats, trestles, base plates, splice plates, chequered plate flooring, decking and seal plates, steel frame grid over false ceiling, walkway platforms, ladders, stairs, stringers, treads, hood for ground conveyors, monorail doors, stools, derbis chutes, landings, hand-rails etc including bunker area stools, gratings, monorails, platforms, collection of steel from stores, welding, electrodes and other consumables, alignment, erection bolts & nuts (weight of erection bolts, nuts shall be paid extra), testing of welders, inspection of welds, visual inspection, non destructive and special testing, rectification and correction of defective welding works, production test plate, inspection and testing, erection scheme, protection against damage in transit, stability of structures, installation of temporary structures, setting column bases, surface preparation by means of manual or mechanical power tools as per IS:1477 part 1, touch-up painting, rectification, dismantling and removal of all temporary structures (weight of temporary structures not payable), return of surplus / waste steel materials to store etc all complete. Including touchp paint at the time of Handing Over. Note: Pre-fabricated structural steel shall be issued by BHEL free of cost. |
| 233 | Grade of Steel : E250 |
| 234 | Taking Delivery from BHEL Store Yard, fabrication, erection and alignment of factory made electroforged galvanised grating units with mild steel having minimum galvanisation conforming to IS:2062 in flooring, platforms, drain and trench covers, walk-ways, passages, staircases with edge binding strips and anti-skid nosing in treads etc. including fixing clamps, fittings, fixtures, all taxes, duties, packing, grinding, drilling, welding, edge preparation, etc. all complete. Note: Gratings will be issued free of cost by BHEL. |
| 235 | Minimum galvanisation of 610 g/sqm |
| 236 | Taking Delivery from BHEL Store Yard, fabrication and fixing of galvanized MS hand railing & ladder pipes of 32 mm/40 mm dia including transportation, loading/unloading etc. all complete. Note: Hand Railing Pipes will be issued free of cost by BHEL. |
| 237 | GUNITING/SHOTCRETING |
| 238 | Shotcreting (Gunniting) specified concrete surfaces as per the following specifications including all Material. Labour, Tools and Plants, Scaffolding etc. all complete as per the directions of Engineer in charge, : i. Fabricating and fixing in position 6mm MS bars at 750mm c/c including connecting to the lugs for fastening. ii. Fixing wire fabric confirming to IS;1566as reinforcementwith 3mm diameter spaced at 50mm c/c both ways electrically cross welded including securely tying tothe 6mm MS bars by maintaining 100mm overlap for adjacent sheets. iii. Fine aggregate shall consist of natural sand or crushed stone from a known source and shall be strong, hard, coarse, sharp, chemically inert, clean and free from any coating. It shall be free from clay, coal or coal residue, organic or any other impurities that may impair the strength or durability of the concrete and shall conform to IS: 383. The fineness modulus shall be preferably between 2.5 and 3.3. Any other value can be used, with prior approval of the Engineer. Fine aggregate (Sand) shall be well graded and particles shall range in size within limits. The Engineer may approve the use of any other grading as per requirement or as per IS: 9012. iv. The surface after the placement of reinforcement and / or welded mesh and not more than six hours prior to the application of concrete, shall be thoroughly cleaned of all loose materials and dirt. The Contractor shall properly prepare the surfaces, reinforcement and / or welded mesh to receive the shotcrete. Cleaned surfaces shall be wetted not more than hour prior to shotcreting. v. The mix as placed on surface shall be one part cement to three parts approved sand by mass. Cement and sand shall be dry mixed; no water shall be added after mixing and before using in the gun. The quantity of water when added shall be only that which is sufficient to hydrate the cement. For average atmospheric conditions, the water cement ratio for shotcrete in place shall be between 0.35 and 0.5 by mass. Suitable admixture shall be used wherever required. |
| 239 | vii. The application shall proceed in an upward direction. Beams, stiffeners and intermediate walls, if any, shall be wrapped with wire fabric and completely covered with shotcreting. All rebound shall be removed from the area of application as the work progresses and such rebound material shall not be reused. |
| 240 | viii. As soon as the freshly shotcreted surface shows the first dry patches, a fine spray of water shall be applied to keep too moist. After the surface has hardened, it shall be kept continuously moist for minimum seven days. If there is extreme heat, especially when accompanied by hot winds, the shotcreted surface, immediately upon completion, shall be covered with burlap or similar covering, which must be kept continuously moist for 14 days after shotcreting. The temperature of the lining shall not be permitted to exceed 38oC during placing and curing. |
| 241 | Note: 6mm MS Reinforcement andwelded wire mesh as specified shall be used for thickness of Shotcreting above 50mm |
| 242 | Shotcreting for thickness 50mm and above with 6mm MS Reinforcement andwelded wire mesh as specified |
| 243 | Provding and laying of track with 60kg rails on track hopper floor complete including cutting of rails and drilling of holes, rail clamp fixing including fish plates and bolts for rail connection & tightening of bolts, fixing of foundation bolts, with all standard relevant fitting duly secured to track being laid to specified guage and specified alignment & level with one initial through packing, maintain correct level of both rails, including transportation, loading & unloading of rails from place of stacking to site work. Work includes supply of rails, bolts, foundation bolts, rail locking clamps & fish plates etc. all complete required for the completion rail fixing as per the relevant standards. |
| 244 | Supply and installation of approved 10mm thick GRP ( GROOVED RUBBER PAD )on/aroundfoundation ofRail supporting structure / beam and at other locations all complete. |
| 245 | TOTAL AMOUNT (Excluding GST) |
| 246 | Documents required for payment of RA Bill and Final Bill are as per Clause No. 7.1.1 and 7.1.2 of Technicial Conditions of Contract (TCC). |
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