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Rejuvenation Of Akkulam Lake And Its Watershed - Rebuilding Kerala The Sustainable Way - Phase-I- 1 Immediate Interventions 2 2.31 Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared-Clearing Jungle 3 OD156483/2025-2026 Removal and disposal of water hyacinth including cutting/shredding with weed shredder machine, collection and disposal to safe location as directed by the Engineerin-Charge-Removal of Hyacinth 4 OD157262/2025-2026 Supplying, transporting, and fixing precast RCC demarcation pole of size 150 mm × 150 mm × 2000 mm, manufactured with M20 grade concrete using 8 mm dia. Fe-500 steel reinforcement at 150 mm c/c both ways, compacted and properly cured, including excavation of pit of size 0.45 m × 0.45 m × 0.60 m, placing in position, embedding in PCC block of mix 1:3:6 (0.45 m × 0.45 m × 0.45 m), backfilling, compacting, applying two coats of Yellow and Black/paint band with numbering, and all labour, tools, plants, leads and lifts complete including utilisation of existing pole with out extra cost as directed by Engineer-in-Charge- Demarcation Pole 5 OD158359/2025-2026 Demolishing and removing the existing bund/embankment under water by deploying a long-reach/amphibious excavator mounted on modular pontoon, including positioning, cutting/loosening, excavation and dressing of submerged bund materials; maintaining buoyancy and stability of plant; silt control with curtain/boom, navigation/safety arrangements, support boat, operator and crew, fuel, tools & tackles; spreading/placing the loosened material within the lake bed up to 50 m lead or as directed including dumping ; all lifts in water up to 3.0 m water depth; compliance with environmental and safety norms; mobilization, demobilization, and incidental charges complete as directed by the Engineer-in-Charge.-Clearing Bund Beneath Akkulam Lake 6 Renovation of Existing Boat Club& Pathway 7 2.1.1 Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed:All Kinds of soil- Pavement Earth Work Surface Excavation 8 2.33.1 Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material.Beyound 30 cm girth up to and including 60 cm girth-Felling Tree 9 2.32 Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.- Clearing grass 10 16.83 Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.- CC Taking out 11 16.84 Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost.)- Laying interlocking 12 13.43.1 Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer- Primer work 13 13.48.2 Finishing with Deluxe Multi surface paint system for interiors and exteriors using primer as per manufacturers specifications:Painting wood work with Deluxe Multi Surface Paint of required shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @ 0.75 ltr/10 sqm of approved brand and manufacture- Painting 14 13.99.1 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :One or more coats on old work- Enamel paint 15 14.1.1 Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)- Repair Protection Wall & Boat Club 16 50.2.26.1 Filling with contractor own earth (excluding rock) in open areas in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-incharge.- Filling in Pavement 17 11.41.2 Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS : 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar 1:4(1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete.Size of Tile 600 x 600 mm.- Boat Club 18 22.6 Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying : a) after surface preparation, first layer of slurry of cement @ 0.488 kg/ sqm mixed with waterproofing cement compound @ 0.253 kg/ sqm. laying second layer of fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/ sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. d) fourth and final layer of brick tilling with cement mortar (which will be paid for separately. For the purpose of measurement the entire treated surface will be measured)- Water Proofing over roof 19 50.6.1.2 Solid block masonry using pre cast solid blocks (Factory made) of size 40x20x20cm or nearest available size confirming to IS 2185 part I of 1979 for super structure up to floor two level thickness 20cm and above in: CM 1:6 ( 1 cement: 6 coarse sand) etc complete.- Compound Wall 20 4.2.2 Providing and laying cement concrete in retaining walls, return walls, walls ( any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts,buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources- Compound Wall Base 21 13.2.1 15 mm cement plaster on the rough side of single or half brick wall of mix:1:4 (1 cement :4 fine sand)- Compound Wall Plastering 22 18.48 Providing and placing on terrace (at all floor levels) polyethylene water storage tank :ISI 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.- Over Head tank 23 19.7.1.1 Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand)with R.C.C. top with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix ( 1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size,) inside plastering 12 mm thick with cement mortar 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement andmaking channels in cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stoneaggregate 20 mm nominal size ) finished with a floating coat of neat cement completeas per standard design: Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weigh of cover 23 kg and weight of frame 15 kg):With common burnt clay F.P.S. (non modular) bricks of class designation 7.5- Manhole 24 18.7.2 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermalstability for hot & cold water supply, including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement andtesting of joints complete as per direction of Engineer -in-Charge. Internal work - Exposed on wall20 mm nominal dia pipes- CPVC pipe of 20 dia 25 18.7.3 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00 m spacing. Thisincludes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer -in-Charge. Internal work - Exposed on wall25 mm nominal dia pipes- CPVC pipe of 25 dia 26 18.7.4 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermalstability for hot & cold water supply, including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement andtesting of joints complete as per direction of Engineer -in-Charge. Internal work - Exposed on wall32 mm nominal dia pipes- CPVC pipe of 32 dia 27 Renovation of Existing Boat Club(Electrical Works) 28 1.10.3 Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required.Group C- Light/Fan Point 29 1.17.12 Supplying and drawing following sizes of FRLS PVC insulated copper conductor,single core cable in the existing surface / recessed steel/ PVC conduit as required.3 x 2.5 sq. mm- Conductor 30 1.17.21 Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 x 4 sq. mm- Conductor 31 1.17.3 Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 X 1.5 sq.mm- Conductor 32 1.21.1 Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.20 mm- PVC Conduit 33 1.21.2 Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.25 mm PVC Conduit 34 1.21.3 Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.32 mm PVC Conduit 35 1.24.1 Supplying and fixing following modular switch/ socket on the existing modular plate& switch box including connections but excluding modular plate etc. as required.5/6 amps switch Modular Switch 36 1.24.3 Supplying and fixing following modular switch/ socket on the existing modular plate& switch box including connections but excluding modular plate etc. as required.15/16 amp switch Modular Switch 37 1.24.4 Supplying and fixing following modular switch/ socket on the existing modular plate& switch box including connections but excluding modular plate etc. as required.3 pin 5/6 amp socket outlet Modular Switch 38 1.24.5 Supplying and fixing following modular switch/ socket on the existing modular plate& switch box including connections but excluding modular plate etc. as required.6 pin 15/16 amp socket outlet Modular Switch 39 1.27.1 Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required.1 or 2 Module (75mmX75mm) GI Box 40 1.27.2 Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required.3 Module (100mmX75mm) GI Box 41 1.33 Supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required. Junction Box 42 1.55.3 Wiring for group controlled (looped) light point/fan point/exhaust fan point/ call bellpoint ( without independent switch etc.) with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed PVC conduit, and earthing the point with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable etc. as required.Group C Light Point 43 1.56 Supplying and fixing suitable size Gl box with modular plate and cover in front on surface or in recess, including providng and fixing 2 Nos. 3 pin 5/6 A modular socket outlets and 2 Nos. 5/6 A modular switches, connection etc. as required. (For light plugs to be used in non residential buildings).GI Box 44 1.58 Supplying and fixing PVC batten/ angle holder including connection etc. as required. PVC batten 45 90.12.10.2 Supply & laying of DWC pipe in ordinary soil 0.75m below ground levelincluding excavation50/38 mm or nearest sizeDWC pipe 46 90.3.20.3 Supply & installation of light fittings on TW round block Supply, conveyance installation testing and commissioning the light fittings of following types made of CRCA with 0.5mm thickness complete with all accessories and lamps etc. directly on wall or ceiling with PVC round block neatly painted to suit the fitting and giving connection with required length of 16/0.20mm 3 core copper conductor flex wire conforming to relevant ISS and giving connections as required.1200 mm 1X20W LED Lamp with box type fixture Light Fittings 47 90.15.4.2 Supply Conveyance, installation, testing and commissioning of 36/40W LED streetlight output greater than 105lumen/W 4000-6000 K with IP 66 protection LED Chip make Cree/Lumilled/Nichea with power factor greater than 0.95 at full load, internal surge protection up to 8 KV,and Aluminium pressure die-cast Powder coated housing,acrylic cover complete with THD less than 10%, power factor greater than0.98, RoHS compliant, duly wired up for use on 230 V AC supply. Driver compartment should be seperatly accessible for maintenance (LM 79&80 certificates from NABL accredited Third party lab to be produced mentioning chip manufacturer) LED Street Light 48 90.15.4.4 Supply Conveyance, installation, testing and commissioning of 100W LED street lightoutput greater than 105lumen/W 4000-6000 K with IP 66 protection LED Chip makeCree/Lumilled/Nichea with power factor greater than 0.95 at full load, internal surgeprotection up to 8 KV,and Aluminium pressure die-cast Powder coated housing,acryliccover complete with THD less than 10%, power factor greater than 0.98, RoHScompliant, duly wired up for use on 230 V AC supply. Driver compartment should beseperatly accessible for maintenance (LM 79&80 certificates from NABLaccredited Third party lab to be produced mentioning chip manufacturer)LED Street Light 49 90.11.1.14 Supply and installation of sheet steel,phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required4 way (8+12) - double cover TPN vertical DB with provision for fixing 4P MCB / Isolator/ RCCB/ RCBO as incomer and SP/ TP MCB as outgoing (IP 42/43) MCB DB 50 2.10.1 Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, C curve, miniaturecircuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single pole Circuit Breaker 51 2.10.4 Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, C curve, miniaturecircuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Triple pole Circuit Breaker 52 2.13.2 Supplying and fixing following rating, four pole, 415 volts, isolator in the existingMCB DB complete with connections, testing and commissioning etc. as required.63 ampsMCB DB 53 2.15.3 Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 milli Amperes in the existing MCB DB complete with connections, testing andcommissioning etc. as required. 63 ampsCircuit Breaker 54 90.6.5.11 Supply and drawing the following sizes of multi-core PVC insulated & FRLS PVC sheathed 650/1100 V grade copper conductor round flexible cables conforming to IS 694 part I 1960 in the existing surface / recess conduit as required including giving necessary connections of the following sizes.3 core 1.50 sq mm Conductor 55 90.16.1.3 Supply and drawing bare earthing conductors of the following sizes along with wiring/cables and giving connection as required3.15 mm copper conductor ( 10 SWG) Conductor 56 90.16.5.3 Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.3.15 mm (10 SWG) Earth Socket 57 90.16.1.1 Supply and drawing bare earthing conductors of the following sizes along with wiring/cables and giving connection as required2.00 mm copper conductor ( 14 SWG) Earthing Conductor 58 90.16.5.1 Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.2.00 mm (14 SWG) Earth Socket 59 5.14 Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required. Copper Strip 60 5.4 Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. G.I Earth Plate 61 OD156815/2025-2026 OD Supply of 250mm sweep Light Duty Exhaust fan in plastic body with self opening louvers working on 230V single phase A/C.Exhaust Fan 62 OD156819/2025-2026 OD Supply of 9W LED bulb in the existing holder, as required W LED Bulb 63 OD156820/2025-2026 OD Supply of 400mm sweep Wall fan working on 230V/240V single phase AC. Wall Fan 64 OD156822/2025-2026 OD Supply of 6W Surface mounted LED bulkhead light fixture (IP 66) having die cast aluminium housing, 5700K-6500K colour temperature with minimum 100 lumen/Watt, working on 240V AC, suitable for outdoor applications etc as required. LED Bulkhead 65 OD156829/2025-2026 OD Supply, installation, testing and commissioning of 12W, outdoor Gate Light with 1100 lumens light output, 6500K CCT ,>110 Lumens per watt systemefficiency IP66 with IK10 Protection, 50,000 burning hours as per L70, Pressure diecast aluminium housing, CRI>80. The housing is of single piece pressure diecast aluminium housing & cover retaining frame and corrosion resistance with Heatresistant toughened frosted glass cover glare free light distribution, prewired complete with all necessary accessories suitable for operation on 230V, 50Hz AC supply as required. The luminaire and the driver shall be separately BIS approved.Gate Light 66 OD156835/2025-2026OD Supply, installation, testing and commissioning of outdoor type 24V 9.6W 400mALED strip light suitable for cove lighting with color temperature of 3000K ,IP 67 andCRI 90-95, rated life of L70 @ 50,000 hours with channel casing and acrylic covercomplete with all necessary accessories like driver and all mounting arrangements likeprofile with PMMA Diffuser to terminate to a point wiring out.LED Strip Light 67 OD156839/2025-2026 OD Supply, installation, testing and commissioning of 40W, Decorative type Pole top Light with 4000 lumens light output, 6500K CCT ,>110 Lumens per wattsystem efficiency IP66 with IK10 Protection, 50,000 burning hours as per L70, Pressure diecast aluminium housing, CRI>80. The housing is of single piece pressure die-cast aluminium housing & cover retaining frame and corrosionresistance with Heat resistant toughened frosted glass cover glare free light distribution, prewired complete with all necessary accessories suitable for operation on 230V, 50Hz AC supply as required. The luminaire and the driver shall be separatelyBIS approved. Lumens Light Output 68 OD156841/2025-2026 OD Supply and fixing of polycarbonate cable junction box IP66/67 in surface/ recess including cutting the wall and making the same in case of recessed installation. The junction box shall be in accordance with IEC60529 environment friendly, recyclable,UV resistant, halogen & silicon free, anti acid & anti corrosive, shockproof with 5 pole terminals suitable to terminate up to 2.5 sqmm cable. Cable junction Box 69 OD156842/2025-2026 OD Supply of one number PVC insulated and PVC sheathed / XLPE armouredAluminium power cable of 1.1 KV grade of following sizes as required. 4cx4sq.mm Al Cable PVC 70 OD156845/2025-2026OD Supplying and making end termination with brass compression gland andaluminium lugs for following size of PVC insulated and PVC sheathed / XLPEaluminium conductor cable of 1.1 KV grade as required. 4 X 4 sq. mBrass Compression 71 OD156851/2025-2026 OD Fabrication, supply, installation, testing and commissioning of outdoor floor mounting type Feeder pillar made out of modular polycarbonate thermoplastic/GRPenclosures. The enclosure shall be environment friendly, recyclable, UV resistant, halogen & silicon free, anti acid & anti corrosive in accordance withIEC60439-2.The Degree of Ingress Protection IP 65/66 shall be in accordancewith IEC 60529. The gasket material shall be polyurethane; while the gasket shall beinternally embedded. The board shall be duly wired as per latest electrical standards including all switch gears as per specifications with canopy. Feeder Pillar 1 Incomer : 40A FP Isolator-1 No, 40A FP RCCB 30mA-1No, 40A FP AC1 Contactor - 1 No Digital Timer - 1 No. Auto Manual Selector Switch - 1 No Busbar: Copper bus bars suitably rated for 40A. Outgoings : 6-32A SP MCB 10kA - 12NosFeeder Pillar 72 OD156852/2025-2026OD Supplying and making end termination with brass compression gland and copperlugs for the following size of PVC insulated and PVC sheathed / XLPE copperconductor cable of 1.1 KV grade as required. 3 X 1.5 sq. mm CuBrass Compression 73 OD156853/2025-2026 OD Supply and installation of dust and Vermin proof wall mounding meter box with base plate suitable to fix 3 phase energy meter and fix to fix in the box 3 Nos of 63 A,415 V HRC Bakelite fuse fitting with HRC fuse link,63 A 2 way neutral link etc. Vermin Proof 74 OD156855/2025-2026 OD Supply and fixing of 6kg capacity ABC type dry chemical powder fireextinguisher as required Fire Extingusher 75 Screen at the Open of Akkulam Lake (Amayizhanchan Thodu) 76 5.2.2 Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size derived from natural sources)- RCC Wall 77 5.22.B.1 Steel reinforcement for R.C.C. work ready to use cut and bend rebars of approved make from factory/workshop to construction site including placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more- Steel Reinforcement 78 5.9.2 Centering and shuttering including strutting, etc. and removal of form for:Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.- Centering & Shuttering 79 5.31 Extra for laying reinforced cement concrete in or under water and /or liquid mud including cost of pumping or bailling out water and removing slush etc., complete. Note:- The quantity will be calculated by multiplying the depth measured from the subsoil water level upto the centre of gravity of the R.C.C. under subsoil water with the quantity of R.C.C. in cubic metre executed under subsoil water. The depth of centre of gravity shall be reconed correct to 0.1m. 0.05 m or more shall be taken as 0.1 and less than 0.05 m ignored. No extra payment shall be made for placing reinforcement or centering & shuttering under subsoil water conditions.- Laying RCC 80 OD157286/2025-2026 Dash / hold-fast anchors (mechanical anchors / dash fasteners)- Fast Anchors 81 10.25.2 Item Shifted to Sub head 14 as item 14.73Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works- Grating Steel
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