Special repairs and maintenance of Thinnakara Lighthouse Station

Amount

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 including cost of all labour, tools & plants etc complete as directed.

Repairs to plaster with cement mortar 1:4 (1 cement : 4 fine sand) 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 etc. including cost of all materials, labours, tools & plants ,scaffoldingetc. complete as directed.

Repair works to cracks in plastering / masonary / R.C.C. works/ lintels/ beams/ chajjas etc. cutting out cracks to 'V' section , cleaning, wetting, grouting& plastering to the cracks in the masonry wall with C.M. 1:3 (One cement and three fine river sand) after preparing the cracks, finishing, curing, scaffolding including supply of all materials, labour, tools & plants,scaffolding 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 - 50mm 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) - 50mm 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 100x70x4 mm with necessary chromium plated brass screws etc. complete as directed including cost of all materials, labour, tools & plants.

Providing and fixing chromium plated brass butt hinges 75x40x2.5 mm with necessary chromium plated brass screws etc. complete as directed including cost of all materials, labour, tools & plants.

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 bright finished 200 mm brass Tower bolt with necessary screws including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing bright finished 150 mm brass Tower bolt with necessary screws including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing 125 mm chromium plated brass Handle with necessary screws including cost of all materials, labour, tools & plants etc complete as directed .

Providing and fixing following fixtures of approved make and as directed including supply of all materials, labour, tools & plants, etc. complete.

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 long 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.

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 15mm health faucet chromium of approved quality 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.

25 mm nominal outer dia Pipes

32 mm nominal outer dia Pipes

100 mm nominal outer dia Pipes( PVC)

Rewedging and cramping of doors, windows and ventilators of Lighthouse tower, and IQ etc., for easy opening and closing including plaining the side of the shutters as directed including of all materials, labour, tools & plants,scaffolding etc., complete .

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 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 etc complete as directed including cost of all materials, labour, tools & plants.

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.)

Dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead including cost of all materials, labour, tools and plants, scaffolding etc. complete as directed.- Of sectional area 40 square centimetres and above.

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length.- Sal wood / Anjili / Thambakam wood.

Providing and fixing 30mm thick panelled or panelled and glazed shutters made from second class teak wood for doors, windows and clerestory windows, including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws, all complete as per direction of Engineer-in-charge. - 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).

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 .

12 mm thick cement plaster finished with a floating coat of neat cement of mix 1:3 (1 cement: 3 fine sand) including cost of all materials, labours, tools & plants, scaffolding etc. complete as directed.

Painting two or more coats with Synthetic enamel paint (Asian / Berger/or equivalent) of approved brand and manufacture of required colour to the exterior and interior of the Lighthouse Tower at all height to give an even shade after scrapping, cleaning and preparing the surface as directed including cost of all materials, labour, tools & plants, scaffolding / boatswain chair etc complete.

Finishing walls with Acrylic Smooth exterior paint (Asian / Berger) of required shade and color over the previously painted surface of walls to get an even shade after filling the cracks / holes with wall putty, cleaning and preparing the surface with putty blade, including supply of all materials, labour, tools, scaffolding etc. complete as directed - (Two or more coat applied @ 1.67 ltr/ 10 sqm)

Painting two coats of Interior Emulsion paint (Asian / Berger) of approved quality and color over the previously painted inside surface of walls to get an even shade after filling the cracks / holes with wall putty, cleaning and preparing the surface with putty blade, including supply of all materials, labour, tools, scaffolding etc. complete as directed.

Painting two coats of synthetic enamel paint of approved make and colour (Asian/Berger) to the floor of Tower inside on steps ,after scrapping,cleaning , including supply of all materials, labour, tools & plants,saffolding etc. complete.

Painting two coats of Synthetic enamel paint (Asian / Berger) of approved quality and color to the wooden doors, windows, Ventilators of the building after, cleaning all dirt, dust, sand papering, applying a coat of cement/metal primer wherever directed , including cost of all materials, labour, tools, scaffolding etc. complete.

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

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge. All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinthlevel :1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for Columns, Pillars, Piers, Abutments, Posts and Struts

Providing and laying factory made kerb stone of M-25 grade cement concrete of approved quality in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as perdirection of Engineer-in-charge ,including cost of all materials, labour, tools & plants,scaffolding etc complete as directed.

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge ,including cost of all materials, labour, tools & plants,scaffolding etc complete as directed.

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.

Filling red earth to the side of pathway including supply of all materials, labour, tools & plants charges etc. complete .

Providing and fixing of rough granite garden bench of 3 seater with back support, decorative type of approved design and make, fixing position in line and level cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) for foundations of size ( 0.3x0.3x0.30) mtr and suitable anchor bolts etc complete including cost of all materials, labour, tools & plants, transportation etc complete as directed.

Providing and fixing sign boards to the building with board made out of acrelic sheet / foam of approx size 400x150mm over which matter written on vinyl sheet of superior quality matters to be written in English & Hindi, boards to be fixed in the walls of the buildings with necessary screws etc complete as directed including cost of all materials, labour, tools & plants.

Boards ( 400x150mm)

Water proof Main board Sticker sheet (1800x1200mm)

Replacing the damaged ceramic / porcelin roof clay tile / ridge tile of the building including chipping and removing the damaged tile, fixing the new ceramic / porcelin clay roof tile in line and level of matching pattern and colour includin necessary scaffolding etc supply of all materials, labour, tools & plants etc. complete.

Loading of materials to main boat at Agatti jetty, unloading of materils from main boat to small boat at Thinnakara Island lagoon (No jetty at Thinnakara Island), rowing of small boat to sea shore, unloading from small boat, shifting by head load & stacking at site etc complete including cost of all labour, tools & plants etc complete.- Loading & Unloading charges only.

Cement

Sand, stone aggregate below 40 mm nominal size

Interlock paver blocks, Kerb stone.

Miscellanious items

Transportation of materials by head load from Thinnakara sea shore to Lighthouse for a distance of 200m etc complete as per DAR 2019- Carriage of materials by head load- Excluding hire charge of boat.

Cement

Sand, stone aggregate below 40 mm nominal size

Interlock paver blocks / CC kerb stone

Miscellanious items

Hire charges of mechanized boat 40/ 50 feet with dingi boat from Agatti Island to Thinnakara and back to Agatti Island for the transportation of men & materials including cost of labour, fuel charges etc complete.

K M ABDU LMUTHALIF

LUCKY DECOR

HK Mohammed Kasim