Repair and Maintenance work at arnala lighthouse station.

(A) repair and maintenance of Lighthouse Tower -Removing dry or oil bound distemper,Synthetic Enamel paint, water proofing cement paint etc from interior and exterior wall surfaces of lighthouse tower/door/windows and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc including supply of all labour tools materials etc all complete as per direction of Engineer-in-Charge

Providing and applying white cement based putty of average thickness 1 mm to interior surfaces of lighthouse tower of approved brand and manufacture (Asian/Berger/Indigo/Opus Birla), over the plastered wall surface to prepare the surface even and smooth complete including supply of all labour tools materials etc all complete as per direction of Engineer-in-Charge

Applying one coat with water thinnable cement primer on wall surface having VOC content less than 50 grams/litre of approved brand and manufacture (Asian/Berger/Indigo/Opus Birla) on wall surface complete including supply of all labour tools materials etc all complete as per direction of Engineer-in-Charge

Painting with synthetic enamel paint in two coats on new work/sand papered of interior and exterior wall of lighthouse tower over an under coat of suitable shade with ordinary paint of approved brand and manufacture (Asian/Berger/Indigo/Opus Birla) of required colour to give an even shade including required arragment,scafolding for working on height, supply of all labour tools, materials etc all complete.

Providing and applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having Sun Reflectivity Index (SRI) of 105 (Weber Saint Gobain /Roff / Fosroc/ Basf ) on top of concrete roof in three coats @10.76 litre/ 10 sqm. One coat of self-priming of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1) and two coats of undiluted elastomeric waterproofing liquid (dry film thickness of complete application/system not less than 500 microns) including laying glass fibre cloth of approved quality over the 1st coat. The operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as per the direction of Engineer-in-Charge.

(B) General Repair and Maintenance-Dismantling steel work in built up sections (main gate and tower plinth hand rail) in angles, tees, flats,pipe and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead complete as directed by the engineer in charge

Demolishing nominal cement concrete 1:3:6 or richer mix (i/c equivalent design mix) manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Dismantling of existing wooden/steel doors, windows, ventilators, cupboards etc of frames and shutters without damaging the adjacent structure including removal of chowkhats, frames, architraves, holdfasts, hinges, fastening and other attachments and including stacking the serviceable materials for re-use and disposing the unserviceable materials from the site. Supply of all labours, tools and finishing etc. complete as directed by the engineer in charge. (of area 3 sq. metres and below)

Dismantling tile work for thickness of tiles 10 mm to 25 mm in floors and roofs laid in cement mortar including stacking the serviceable materials and disposing the unserviceable materials from the site with supply of all labours, tools and materials etc. complete as directed by the engineer in charge

Chipping of unsound/weak concrete material from slabs, beams, columns 50 mm average thickness with manual Chisel 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

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in Cement mortar 1:6 (1 cement : 6 coarse sand) supply of all labour, tool, materials.etc all complete as directed by engineer in charge.

Providing and laying cement concrete in coping with 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including the cost of centering, shuttering and finishing as required or as directed including supply of all materials, tools, labours etc. complete as directed by the engineer in charge.

Providing and laying Glazed Vitrified tiles Matt/Antiskid finish of size of Tile 600 x 600 mm in floor in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS:15622, of approved brand & manufacturer (Kajaria/Somany/Jhonson) of premium Quality, in all colours and shade, laid on 20 mm thick cement mortar 1:4 (1 cement: 4 coarse sand) jointing with grey cement slurry @3.3 kg/sqm including grouting the joints with white cement and matching pigments etc. The tiles must be cut with the zero chipping diamond cutter only . Laying of tiles will be done with the notch trowel, plier, wedge, clips of required thickness, leveling system and rubber mallet for placing the tiles gently and easily.

Providing and fixing of broken glass pieces on top of the compound wall / Coping with cement mortar 1 : 2 (1 cement : 2 coarse sand) and finishing etc. complete including supply of all labours, materials, tools etc. complete as directed by the engineer in charge.

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement: 5 coarse sand) and a top layer 6 mm thick cement plaster 1:3 (1 cement : 3 coarse sand) finished rough with sponge including supply of all labours, tools, materials, etc. complete as directed by the engineer in charge.

Cleaning of reinforcement from rust from the reinforcing bars upto 12 mm diameter to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of "L" shaped mild steel shear key welded with existing reinforcement which is to applied with one coat of anti-corrosive paint including the cost of materials, labour, tool & plants as approved by Engineer-in-charge.

Providing, mixing and applying Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved maker (Weber Saint Gobain /Roff / Fosroc/ Basf ) on chipped portion of RCC/plaster surfaces as per specifications and direction of Engineer-In-charge.

Providing, mixing and applying 25 mm average thickness in 2 layers of SBR polymer (Weber Saint Gobain /Roff / Fosroc/ Basf )modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and 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 and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, (Weber Saint Gobain /Roff / Fosroc/ Basf ) including disposal of rubbish, all complete as per the direction of Engineer-In-Charge

Painting two coats with acrylic emulsion paint of interior grade (Asian/Berger/Indigo/Opus Birla), 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, complete as directed by the engineer in charge.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade (Asian/Berger/Indigo/Opus Birla) Old work (Two or more coats applied @ 1.43 ltr/ 10 sqm) over existing cement paint surface including supply of all materials, labours, tools, scaffoldings etc. complete as directed by the engineer in charge.

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.

Providing and laying cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.

Laying old cement cocrete 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.

Providing and fixing 35mm thick ISI marked flush door shutters conforming to IS: 2202 (Part I) decorative type, core of block board construction with frame of 1st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters and ISI marked Stainless Steel butt hinges with necessary screws including lipping with 2nd class teak wood battens 25 mm minimum depth on all edges of flush door shutters (over all area of door shutter to be measured) and also providing vision panel not exceeding 0.1 sqm (rectangular or square) in all type of flush doors including supply of all labours, tools, materials, rubbing and polishing and finishing etc. complete as directed by the engineer in charge.

Taking out existing door, window shutter, repair by cutting, painting etc. and refixing of repaired window & door shutters to existing door & windows frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the Engineer-in-charge.

Mosquito proof pvc net of premium quality with self adhesive hook and loop type arrangement ,prestricted as per window size, suitable removal arrangement with wooden/ PVC mold Patti of minimum 25 mm size, arrangement on wall/ window section fixing, inclusive supply of all materials labours, fixing chemical, stitching, etc complete.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc. in Hot finished welded type tubes, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete including supply of all labour tools materials etc all complete as per direction of Engineer-in-Charge

Providing & fixing UV stabilised 2 mm thick flat fiberglass reinforced plastic sheet roofing, including fixing with polymer coated 'J' or 'L' hooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified including supply of all labour tools materials etc all complete as per direction of Engineer-in-Charge

Providing and fixing bright finished brass 100 mm mortice latch and lock with 6 levers and a pair of lever handles Godrej NEH 06/hafele/dorset with necessary screws etc. Complete as per the direction of the Engineer-in-charge

Providing, Supplying and Installation of Polyethylene Water Storage Tank two Layered of (Sintex/ National/INFRA) ISI : 12701 marked, with cover and suitable locking arrangement on terrace (at all floor levels) with supporting the whole bottom area of the tank on durable, rigid and level platform, making inlet, outlet, overflow and scour connection, G.I nipples, uPVC Tank connector, nipples and cost of jointing material etc. complete as per specification and including cost of all materials, labours, tools & plats, loading, unloading, transportation etc. complete as directed by engineer in charge.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (Astral/Prince/Finolex) having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer in Charge.

15 mm nominal outer dia Pipes

20 mm nominal outer dia Pipes

25 mm nominal outer dia Pipes

32 mm nominal outer dia Pipes

40 mm dia

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for 110mm 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.

110 MM Single pushfit Coupler

110x110x110 mm Single tee with door

110 mm Bend 87.5°

Inlet mouth of rain water pipe cast iron grating 15 cm diameter

Providing and fixing C.P. Brass Water Supply fittings and specials of approved quality (Jaguar/Parryware/Cera/Hindware)of ISI make as per the following items including supply of all labour, materials, tools and plants etc. complete as directed by engineer in charge.

15 mm nominal bore C.P. Brass Bib cock

15 mm nominal bore C.P. Brass Stop cock (concealed)

15 mm nominal bore C.P. Brass Angle valve for basin mixer and geyser

100 mm dia. shower rose with 15 or 20 mm inlet

25 mm diameter mosquito proof coupling

8 mm dia C.P. / S.S. Jet with flexible tube upto 1 metre long with S.S. triangular plate

32mm CP Brass Bottle Trap

25 mm dia CPVC Valve

32 mm dia CPVC Valve

40 mm dia CPVC Valve

Replacement of unserviceable/ damaged/ broken fittings of doors, windows, Ventilators, Cupboards shutters and as wherever directed with new Brass/Aluminium/S.S. fittings (Heavy duty) fitted with brass screws, including removing old fitting and replacing new fittings of approved quality I.S.I. mark heavy duty including supply of all materials, labours, tools etc. complete as directed by the engineer in charge.

M.S. sliding door bolts 300x16 mm

125 mm brass door handle

brass hard drawn hooks and eyes 150 mm

aluminium tower bolts 150x10 mm

aluminium tower bolts 100x10 mm

brass butt hinges 75x65x4 mm (heavy type)

brass butt hinges 100x70x4 mm (ordinary type)

Disposal of building rubbish/ malba/ similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approach to municipality dumping groumd, beyond 50 m initial lead, for all leads including all lifts involved including supply of all labours, tools and plants, materials etc. complete as directed by the engineer in charge.