Special repairs and maintenance of Lighthouse tower and staff quarters etc at Mount Dilli Lighthouse

Amount

Clearing of Bee Hive from the Lighthouse tower including charges for necessary scaffolding, bostwain chair, rope etc complete as directed cost of all materials, labour, tools etc.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

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 metres lead,with cement mortar 1:4

Repair works to cracks in plastering / masonary / R.C.C. works/ lintels/ beams/ chajjas etc. cutting out cracks ti 'V' section , cleaning out wetting, grouting with cement-sand slurry, 1:3 including supply of all labours , tools & plants, materials etc. complete.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges,making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge - 75mm average thickness.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. - Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make.

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super-Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument) - 75mm thick in Grade M 25 with cement content not less than 330 kg per cum.

Replacing broken glass panes of window shutters with new plain/pin headed glass panes of 4 mm thick after removing carefully the broken pieces, providing new teak wood beadings using nails including supply of all materials, labour, tools & plants, scaffolding etc. complete.

Replacing broken fittings of doors & windows with new fittings of approved quality after removing carefully the damaged ones from position, including supply of all materials, labour, tools & plants etc. complete.

Providing and fixing chromium plated brass butt hinges with necessary chromium plated brass screws etc. complete.

100x70x4 mm (ordinary type).

75x40x2.5 mm (ordinary type).

Providing and fixing bright finished 200mm brass hard drawn hooks and eyes including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade, with necessary screws etc. complete :including cost of all materials, labour, tools & plants etc complete as directed . (Aluminium handle 100mm long)

Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete as directed including cost of all materials, labour, tools & plants.- 300x16 mm.

Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete as directed including cost of all materials, labour, tools & plants. -200x10 mm

Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete as directed including cost of all materials, labour, tools & plants. -100x10 mm

Repairs to doors, windows and ventilators of quarter, Lighthouse tower etc for easy opening and closing including plaining the side of the shutters as directed including minor repair works etc, cost of all materials, labour, tools & plants, scaffolding etc., complete .

Providing and applying weather proof sealant of size 25x10mm at joints (of external side and internal side) between door frame, window & ventilator frames (on all four sides) of outer wallover with silicon sealant and masking tape including cost of all materials, labour, tools & plants etc complete as directed.

Replacing damaged portion of wooden members of doors and window frame with 1st quality Cheru Teak / Mahagoni / Saal wood timbers after cutting, removing the damaged portions carefully, fixing the newly fabricated members in position all as directed including supply of all materials, labour, tools & plants, scaffolding etc. complete.

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : including cost of all materials, labour, tools & plants, scaffolding etc complete as directed. (Of area 3 sq. metres and below.)

Providing and fixing 35mm thick glazed shutters made from second class teak wood for doors, windows and clerestory windows using 4 mm thick float glass panes, including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws, cost of all materials, labour, tools & plants, scaffolding etc., complete . Second class teak wood.

Extra for providing ISI marked Stainless Steel butt hinges instead of M.S. pressed butt hinges bright finished of required size with necessary screws. (Shutter area to be measured), cost of all materials, labour, tools & plants, scaffolding etc., complete .

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix including cost of all materials, labour, tools & plants etc complete.

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. For thickness of tiles 10 mm to 25 mm including cost of all materials, labour, tools & plants etc complete.

Dismantling W.C. Pan of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer-in-Charge including cost of all materials, labour, tools & plants.

Dismantling of flushing cistern of all types (C.I./PVC/Vitrious China) including stacking of useful materials near the site and disposal of unserviceable materials within 50 metres lead including cost of all materials, labour, tools & plants.

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 20mm 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 600x600 mm.

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete including cost of all materials, labour etc complete as directed.

Providing and fixing white vitreous china pedestal type water closet (European type) with seat and lid, 10 litre low level white vitreous china flushing cistern & C.P. flush bend with fittings & C.I. brackets, 40 mm flush bend, overflow arrangement with specials of standard make and mosquito proof coupling of approved municipal design complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required :W.C. pan with ISI marked white solid plastic seat and lid.

Providing and fixing Stainless Steel A ISI 304 (18/8) kitchen sink as per IS:13983 with C.I. brackets and stainless steel plug 40 mm, including painting of fittings and brackets, cutting and making good the walls wherever required - Kitchen sink with drain board- 510x1040 mm bowl depth 178 mm.including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing mirror Rectangular shape 453x357 mm of superior glass (of approved quality) and of required shape and size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing PTMT towel rail 600 mm long towel rail with total length of 645 mm, width 78 mm and effective height of 88 mm complete with brackets fixed to wooden cleats with CP brass screws with concealed fittings arrangement of approved quality and colour including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing 100 mm C.P. brass shower rose with 15 or 20 mm inlet including cost of all materials, labour, tools & plants.

Providing and fixing 15mm C.P brass short body bib cock of approved quality conforming to IS:8931 : 15 mm nominal bore including cost of all materials, labour, tools & plants etc complete as directed.

Providing and fixing 15mm brass stop cock of approved quality including cost of all materials, labour, tools & plants etc complete as directed.

15 mm nominal bore

20 mm nominal bore

Providing and fixing 15mm health faucet chromium of approved quality including cost of all materials, labour, tools & plants etc complete as directed.

Providing and fixing 15 mm C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931 etc complete as directed including cost of all materials, labour, tools & plants etc complete as directed.

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 50 mm nominal bore including cost of all materials, labour, tools & plants etc complete as directed.

Providing and fixing gun metal non- return valve of approved quality (screwed end) 50 mm nominal bore: Horizontal - including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing Cast iron ball type foot valve 75mm dia to the pipe line including cost of all materials, labour, tools & plants etc complete as directed.

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. This includes 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 wall.

20 mm nominal outer dia Pipes

40 mm nominal outer dia Pipes

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) / PVC pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement ,trenching ,refilling & testing of joints complete as per direction of Engineer in Charge. External work

50 mm nominal outer dia Pipes. CPVC

75 mm nominal inner dia Pipes CPVC

Providing and fixing on wall face unplasticised Rigid PVC pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. (110 mm nominal outer dia Pipes, PVC Pipe 6kg/cm2)

Providing and fixing 50 mm dia nominal bore G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. Internal work - Exposed on wall

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings etc complete as directed including cost of all labours, tools & plants, materials etc. complete.- External work

Repairs to furniture of staff quarters including replacing unserviceable members cost of all materials, labour charges and tools & plants etc. complete as directed .

Replacing damaged plywood of cots with 8 mm thick marine plywood of approved brand after cutting, removing the damaged one, cutting to size and fixing new plywood with panel pins all as directed, including supply of all materials, labour, tools & plants etc. complete.

Repairs to wooden meat safe including cutting, removing and replacing damaged members with new one with superior hard wood etc. including fabricating, fixing in position as directed including supply of all materials, labour, tools & plants etc. complete.

Repairs to wooden chair including replacing the damaged plywood seat / PVC caining seat, and replacing damaged members with new one with superior hard wood etc. including fabricating, fixing in position as directed including supply of all materials, labour, tools & plants etc. complete.

Repairs to wooden dining table including replacing the damaged plywood top / mica and replacing damaged members with new one with superior hard wood etc. including fabricating, fixing in position as directed including supply of all materials, labour, tools & plants etc. complete.

Replacing unserviceable fly proof net of door & windows with new galvanized M.S. wire gauge of average width of aperture 1.4 mm in both directions with wire of dia 0.63 mm & wooden beading wherever required including cost of all materials ,labour ,tools and plants etc. complete as directed.

Providing and fixing Fiber Glass Reinforced plastic (FRP) Door Frames of cross-section 90 mm x 45 mm having single rebate of 32 mm x 15 mm to receive shutter of 30 mm thickness. The laminate shall be moulded with fire resistant grade unsaturated polyester resin and chopped mat. Door frame laminate shall be 2mm thick and shall be filled with suitable wooden block in all the three legs. The frame shall be covered with fiber glass from all sides. M.S. stay shall be provided at the bottom to steady the frame.

30 mm thick Glass Fibre Reinforced Plastic (FRP) panelled door shutter of required colour and approved brand and manufacture, made with fire - retardant grade unsaturated polyester resin, moulded to 3 mm thick FRP laminate for forming hollow rails and styles, with wooden frame and suitable blocks of seasoned wood inside at required places for fixing of fittings, cast monolithically with 5 mm thick FRP laminate for panels conforming to IS: 14856, including fixing to frames.

Painting previously painted exterior / interior surface of Lighthouse tower with two coats of synthetic enamel paint of approved quality and colour (Asian/Berger), all height, in bands after scrapping, cleaning, preparing the surface, including applying cement primer whereever directed, cost of boat swain chair, ropes, supply of all materials, labour, tools & plants etc. complete.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour with two coats of interior acrylic emulsion after cleaning, scrapping and preparing the surface, including supply of all materials, labour, tools & plants, scaffolding etc. complete.

Wall painting with acrylic emulsion paint (Exterior), having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture to the exterior surface of the buildings including applying additional coats wherever required to achieve even shade and colour, after necessary repair to scratches etc, preparing the surface, including providing scaffolding, supply of all materials, labour, tools & plants etc. complete.

Painting two coats of synthetic enamel paint of approved make and colour (Asian/Berger) to previously painted wooden door, window with guard bars . after removing rust, sand papering, applying metal/wood primer where ever required, including supply of all materials, labour, tools & plants,saffolding etc. complete.

Painting steel and metal surfaces such as hand railing etc of the LH tower with two coats of Epoxy paint of approved make and colour (Asian/Berger) after scraping, cleaning all rust, dirt, dust, applying Zinc chromite primer wherever directed including scaffolding, supply of all materials, labour, tools & plants, etc. complete.

Melamine polishing on wood work (one or more coat) to the interior wooden hand rail / service room panelling etc of Lighthouse tower after cleaning and preparing the surface with sand paper, filling the gap / holes with wood wax etc cleaning applying polish etc complete including cost of all materials, labour, tools etc complete as directed.

Polishing with french polish on previously polished wood and wood based surface to give an even surfaceincluding cleaning the surface of all dirt , dust and sand papered smooth and including a coat of wood filler

Wooden Cots

Wooden Dining Table

Wooden Tea paw

Wooden Meat safe

Wooden Dining chair

Wooden Sofa set 3+1+1 seater

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Centering and shuttering including strutting, propping etc. and removal for walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level- Thermo-Mechanically Treated bars of grade Fe-500D or more including cost of all materials, labour, tools and plants etc. complete.

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. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse M sand : 3 graded stone aggregate 20 mm nominal size).

CEMENT PLASTER (IN FINE SAND)- 12 mm cement plaster of mix : 1:4 (1 cement: 4 fine sand), including cost of all materials, labour, tools and plants etc.

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement: 3 coarse sand (zone - III) : 6 graded stone aggregate 20 mm nominal size) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth, including cost of all materials, labour, tools and plants etc. complete.

Providing and applying tack coat (on bituminous surface @ 0.50 Kg/ sqm) using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications etc as directed including cost of all materials, labour, tools & plants etc complete.

2.5 cm premix carpet surfacing with 2.25 cum and 1.12 cum of stone chippings of 13.2 mm and 11.2 mm size respectively per 100 sqm and 52 kg and 56 kg of hot bitumen (With paving Asphalt grade VG - 30 with no solvent) per cum of stone chippings of 13.2 mm and 11.2 mm size respectively, including a tack coat with hot straight run bitumen, including consolidation with road roller of 6 to 9 tonne capacity etc. complete (tack coat to be paid for separately) etc as directed including cost of all materials, labour, tools & plants etc complete.

Providing and laying seal coat of premixed fine aggregate ( passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG - 10 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 roller all complete as directed including cost of all materials, labour, tools & plants.

75 mm thick back filling for pitching on the sides of road with moorum including spreading of moorum, consolidation, supplying of required materials complete including cost of all materials, labour, tools & plants.

Providing and fixing 6mm thick G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge -Made of G.I. wire of dia 4 mm

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead including cost of all materials, labour, tools & plants.

Providing and fixing C class G.I. pipe hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer including cost of all materials, labour, tools & plants.

Welding by gas or electric plant including transportation of plant at site etc. complete. including cost of all materials, labour, tools & plants including cost of all materials, labour, tools & plants.

Replacing the old rusted supporting clamps of GI pipe ladder of the OH water tank, including cutting & removing the old clamps, faricating the clamps with ISA 50x50x6, average 1.00m long, 6nos, including fixing one end to GI pipe ladder with clamps, other to the RCC slab / column by anchor bolts etc including fabricating as per direction, painting with a coat of zinc chromate metal primer, ficxing in position in line and level including supply of materials, labour, tools and plants etc., complete.

Cleaning of septic tanks including cleaning the sewrage line , inspection chambers and replacing the C.C. covers over the tank after repairs if any and sealing the tanks with with cement mortar,removing earth etc complete as directed including cost of all materials, labour, tools & plants.

Cleaning of open well of LH compound including bailing out water, removal of all debrises / mud etc, disposal of the debris with in a lead of 50m, cleaning of the well with fresh water etc complete, including cost of all materials, labour, tools & plants etc complete as directed.

Providing and fixing name display boards 450mmx150mmmade up of PVC sheets fixed with vinyl cutting and fixed in appropriate place including supply of all materials, labour, tools & plants etc. complete

Providing and fixing Charge incumbent Board in Hindi & English display of 900mmx1200mm made up of PVC sheets fixed with vinyl cutting and fixed in appropriate place including supply of all materials, labour, tools & plants etc. complete

Supplying and fixing Visitors Notice board of size 1.50 x 1.00m, 1.80m high Made out of angle Iron frame work and base to be made with Acrylic sheet or Aluminum sheet of 18 gauge over which matter to be fixed in Malayalam, Hindi and English with vinyl sticker letters, board to be fitted on ‘B’ class G.I.pipe 40mm dia and fixed in position with necessary concrete etc complete as directed including cost of all materials, labour, tools & plants.

Recovery of Scrape value for old dismantled/ removed fittings/ items.

Butt hinges 100x60x2.5 mm

Butt hinges 75x50x2.5 mm

Hook & eye – 150 mm long

100mm Aluminium Handle

Aluminium Aldrop/ sliding bolt 300 mm size

Aluminium Tower bolt 200mm

Aluminium Tower bolt 100mm

Scrape value of dismantled LH tower top handrailing.

Scrape value of dismantled LH tower top handrailing.

Ajayakumar.M.C