Civil works comprising of Intake Tunnel, Desilting Chamber, Silt Flushing Tunnel, Head Race Tunnel, Surge Shaft, Pressure Shaft/Penstock, Power House Cavern, Bus Ducts, Transformer Cavern, Main Inlet Valve Cavern, MAT and other Adits/Access Tunnels in Power House Area, Downstream Surge Galleries, Tail Race Tunnel including Adits for the implementation of the 260 MW Dulhasti Stage-II H.E Project, in the Kishtwar District of UT of J&K, India.; 1 GROUP-A : SURFACE WORKS 2 Dewatering During Construction 3 Dewatering of Surface Construction Sites including supply, installation and removal of pumping equipment from the site 4 Surface Excavation 5 Common excavation 6 Rock excavation 7 Line drilling 8 Dental excavation 9 Minor excavation 10 Removal of material arising from overbreak accepted due to geological conditions. 11 Extra for Haulage of excavated materials 12 - Extra for haulage beyond 3 km upto 6 km 13 Rock stabilization and Supports 14 Rock Anchors 25 mm dia, including accessories & testing 15 - Length upto 4.0 m 16 - Lengthmore than 4.0 m upto 6.0 m 17 Rock Anchors 32 mm dia including accessories & testing 18 - Length upto 6.0 m 19 - Length more than 6.0 m upto 9.0 m 20 Self drilling hollow core anchors 25mm dia. 21 - Length upto 6.0 m 22 Grouted Anchor Bars 25 mm dia 23 - Length upto 6.0 m 24 Grouted anchor bar 32 mm dia. 25 - Length upto 6.0 m 26 Rock Anchortesting 27 - Rock Anchor 25 mm dia 28 - Rock Anchor 32 mm dia 29 Rock Anchor Extensions/ Extension of Grouted Anchor Bars into concrete, 25mm/32mm 30 Mesh reinforcement 31 - Welded wiremesh 32 - Chain link fabric 33 Shotcrete 34 Plain Shotcrete 35 SFR Shorcrete excluding steel fibre and micro silica 36 Cement variation in shotcrete 37 Superplasticiser 38 Steel Fibre 39 Micro Silica 40 Backfill intemporary coffer dykeatTRT Outlet, SFT Outlet Portal etc. 41 Random backfill 42 Compacted backfill 43 Drilling, Grouting and Pressure Relief Holes 44 Drilling for consolidation grouting 45 - 45 mm dia holes 46 Placing grout (excluding cement) 47 - Consolidation grouting operation 48 Drilling for Pressure Relief holes 49 - Drilling of 45 mm dia hole 50 - Supply and installation of 36 mm dia perforated PVC pipes. 51 Water pressure test- simple water test 52 Embedding pipes and fittings for grouting left permanently in place 53 Grouting materials 54 - Cement 55 - Sand 56 - Bentonite 57 - Admixtures 58 - Micro fine/Ultra Fine Cement 59 Concrete 60 Plain cement concrete 61 Lean & Plum Concrete (M10/A80) 62 - M15/A80. 63 - M15/A40 64 - M25/A40 65 - Reinforced Cement concrete M25/A40 66 -SFT,TRT Outlet Works, Pothead Yard 67 -Portals of Adits, Access Tunnel and other tunnels 68 Blockout Concrete(M35/A20) 69 Cement variation in concrete 70 Admixtures for concrete 71 - Air-entraining agent 72 - Super plasticizer 73 Formwork 74 Class F1 75 Class F2 76 Class F3 77 Class F1C 78 Class F2C 79 Class F3C 80 Reinforcing Steel 81 Deformed Reinforcing bars - Grade Fe 500 82 Plain reinforcing bars 83 Couplers 84 - 32mm dia 85 Waterstops and joints 86 P.V.C. water stops(230 mm wide) 87 Joint fillers(24 mm thk) 88 Joint fillers(12 mm thk) 89 Joint Sealing Compound 90 Metalworks 91 MS Railing 92 GI railing 93 Ladders 94 Gratings 95 Climbing irons 96 Miscellaneous and Ancillary Works 97 Fencing and gates 98 - Fencing 99 - Gates 100 PVC Pipes 101 - 75mm dia 102 - 100mm dia 103 - 150mm dia 104 - 200mm dia 105 Slope protection 106 Wire crates/ Gabions 107 - Wire crates 108 - Boulder filling in wire crates 109 - Polymer Rope Gabions insitu assembled 110 Size 2m x 2m x1m 111 Size 1m x 1m x1m 112 Random Rubble Masonary Wall 113 - Wet R R Masonry 114 Concrete blocks 115 Tetra pods blocks 116 Monitoring Instruments 117 Load cell 118 Optical Bi-Reflextargets 119 Water level measuring gauge (mechanical type) 120 Multipointhole extensometer 121 Electrical Type 122 Mechanical Type 123 Read out units 124 - Read out units for Electrical load cells 125 - Read out units for other electrical instruments like extensometer, piezometers etc. 126 Roadworks 127 Clearing and Grubbing of LandClearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared. 128 -In the area of Throny Jungle. 129 Excavations 130 Earthworkinbulkexcavationbymechanicalmeans(hydraulicexcavator)over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m,as directed byEngineer-in-Charge. Ordinary Rock 131 Earth work in bulk excavation by mechanical means(hydraulic excavator) over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed byEngineer-in-Charge. Hard Rock (Requiring Blasting) 132 Earthworkinbulkexcavationbymechanicalmeans(hydraulicexcavator)over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m,as directed byEngineer-in-Charge. Hard Rock (Blasting Prohibited) 133 Carriageofmaterialsbymechanicaltransportincludingloading,unloadingand stacking of earth: upto 3 km 134 Embankment 135 Bankingexcavatedearthinlayersnotexceeding20cmindepth,breakingclods, watering, rolling each layer with 1/2 tonne roller, or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up, in embankments for roads, flood banks, marginal banks, and guide banks etc., lead upto 50 m and lift upto 1.5 m in All kinds of soil: 136 Masonry Works 137 Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: stone aggregate 20 mm nominal size) 1:3:6 138 Centering and shuttering including strutting, propping etc. and removal of form work for: Foundations, footings, bases for columns 139 Random Rubble masonry with hard stone in foundation and plinth including leveling up with cement concrete 1:6:12 (1 Cement : 6 coarsesand : 12 graded stone aggregate 20mm nominal size) upto plinth level and curing complete with:Cement mortar 1:6 (1 Cement : 6 coarse sand) Nallah 140 Providing & making Gabion structure with Mechanically Woven Double twisted Hexagonal Shaped Wire mesh Gabion Boxes as per IS 16014:2012,MORTH Clause 2500, of required size, Mesh Type 10x12 (D=100 mm with tolerance of ± 2%) Zinc coated, Mesh wire diameter 3.0mm, mechanically edged/selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2mm, supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per direction of Engineer-in-charge. 141 Supply & Stacking of Hard stone (for stone pitching) 22.5 cm thick at site. 142 Hand-packing stones in wire-crates; excluding cost of crates and stones 143 Providing & Fixing 75 mm PVC Pipe (Working Pressure 4 Kg/Cm) in weep hole of Retaining/ Breast/ Toe Wall all complete as per direction of Engineerin-Charge. 144 20 mm Cement plaster of mix: - 1 : 4 ( 1 cement : 4 coarse sand) for external plaster for height upto 10.0 m from ground level including carriage, loading & unloading. 145 Subgrade 146 Preparation of subgrade by excavating earth to an average of 22.5 cm depth, dressing to camber and consolidation with road roller of 8-12 tonne capacity including making good the undulation etc. and disposal of surplus earth upto 50 meters. 147 Consolidation of subgrade with power road roller of 8 to 12 tonne capacity including making good the undulations etc. with earth or quarry spoils etc. and rerolling the subgrade. 148 Supplying and stacking at site Graded crushed stone aggregate of size 90 mm to 45 mm 149 Supplying and stacking at site Graded crushed stone aggregate of size 63mm to 45mm 150 SupplyingandstackingatsiteGradedcrushedstoneaggregateofsize53mmto 22.4mm 151 SupplyingandstackingatsiteGradedcrushedstoneaggregateofsize13.2mm nominal size (Type A) 152 SupplyingandstackingatsiteGradedcrushedstoneaggregateofsize11.2mm nominal size (Type B) 153 Supplying and stacking at site Graded crushed stone aggregate of size Moorum 154 Laying,spreadingandcompactingstoneaggregateofspecifiedsizestoWBM specificationsinuniformthickness,handpicking,rollingwith3wheeledroad/ vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fill up interstices of coarse aggregate, watering and compacting to the required density. 155 Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, layingin uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as perspecifications and directions of Engineer-in-Charge 156 Bituminous Pavement 157 Providing and applying tack coat using hot straight run bitumen of grade – VG-10, includingheatingthebitumen,sprayingthebitumenwithmechanicallyoperated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications. On W.B.M. @ 0.75 Kg/sqm. 158 ProvidingandlayingDenseGradedBituminousMacadamusingcrushedstone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desiredcompactionanddensity,completeasperspecifications anddirectionsof Engineer-in-Charge.50 to 100 mm average compacted thickness with bitumen of gradeVG-30@5%(percentagebyweightoftotalmix)andlimefiller@2% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity. 159 Providing and laying Bitumen Penetration Macadam with hard stone aggregate of quality, size and gradingas specified,with bitumen of suitable penetration grade including required key aggregate as specified,spreading coarse aggregate with the help of self propelled/ tipper tail mounted aggregate spreader and applying bitumen by a pressure distributor and then spreading key aggregate with the help of aggregate spreader complete, including consolidation with road roller of minimum 8 to 10 tonne capacity to achieve specified values of compaction and surface accuracy. For 75 mm compacted thickness in two layers using stone aggregate of size 63-41mm graded @ 0.90 cum per 10 sqm key aggregate of size 20.0 mm graded @ 0.18 cum per 10 sqm with paving asphalt grade VG-10 @ 68 kg/10sqm 160 Providingandlayingseal coatof premixedfine aggregate(passing2.36mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG-30 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface including rolling and finishing with road all complete 161 Road Safety 162 Providing and applying 2.5mm thick road marking strips (retro-reflective) of specified shade/colour using hot thermoplastic material by fully/semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heaterandprofileshoeheater,drivenbyexperiencedoperatoronroadsurface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications. 163 Type - B, THRIE: Metal Beam Crash Barrier (providing and erecting a Thrie metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 85 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 2 m high with 1.15 m below ground level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a space of channel section 150 x 75 x 5 mm, 546 mm long complete as per clause 810). 164 Providing and fixing Glow studs of size 100x20mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite) or HIP (High impact Polystyrene) or ABS having electronically welded micro-prismatic lens with abrasion resistant coating as approved byEngineer-in-charge. The Glowstud shall support aload of 13635 kg tested in accordance with ASTM D4280. The slope of retro-reflective surface shall be 35 +/- 5 degrees to base. The reflective panels on both sides with at least 12cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS : 873 part 4 : 1973. The studs shall be fixed to theroad surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge. 165 Rock stabilization and Supports 166 Rock Anchors 25 mm dia and length up to 4m 167 Plain Shotcrete 168 Welded Wire Mesh 169 Drilling of drainage hole up to 4m 170 Repair & Maintenance of Internal/access road & other roads Double Lane (Formation width) 171 Bridges 172 Permanent Bridge : Planning, Investigation, Design, Construction, Testing and commissioning of 70R double lane Steel Truss girder type bridge having 7.5m carriageway width and 0.9m footpath on either side with design and construction of suitable abutments / Pier/ well foundation/ Pile foundation, dirt wall, return wall approach slab etc. complete in all respect, including Structural Design, Technical Specifications and Load Test procedure duly approved / proof checked by Indian Institute of Technology (IIT). 173 Temporary Bridge : Planning, Investigation, Design, Construction, Testing and commissioning of two parallel bridges on common abutments. Each bridge of 40R single lane(minimum 3.5m carriageway and minimum 0.9 m wide walkway on one side) , with design and construction of suitable abutments / Pier/ well foundation/ Pile foundation, dirt wall, return wall, approach slab etc. complete in all respect including dismentling and storage at designated place as directed by Engineer-in-Charge. 174 Culverts- Planning, Investigation, Design, Construction, Testing and commissioning, as per site condition single / double lane road width and loading capacity, complete in all respect, with Structural Design, Technical Specifications and Load Test as per IRC SP-13 and to be approved by the Enigineer-in-Charge 175 Construction of Culverts 2 to 6 M Span
