Increasing the Height of Lighthouse tower from plus15m Level to plus21m Level to enhance the visibility at Olakuda Lighthouse, Rameswaram, under Chennai Directorate.

Demolition of Plain Cement Concrete work (CC 1:3:6 / 1:2:4)of foundations, Coping, DPC etc and stacking of serviceable materials for reuse and disposing the unserviciable materials within a lead of 100 m including supply of all labours, tools & plants and finishing etc. complete as directed by engineer in charge. (Up to 21m height)

Demoltion of brick work above ground level in super structure upto floor two level safely without damaging any part of building (125/250mm thick wall ) including stacking of serviceable materials and disposal of rubbish within a lead of 100 mtr from the site icluding cost of supply of all labours, tools & plants, Transporation and all other charges etc complete. (Up to 21m height)

Dismantling of GI Pipe Hand railing at Top roof slab, without damaging the adjacent structure including stacking the serviceable materials and disposing the unserviceable materials etc, from the site within a lead of 100 mtr including cost of supply of all labours, tools and all other charges etc. complete ( Up to 21 m height)

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.( Up to 21 m height)

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

Close timbering in trenches including strutting, shoring and packing cavities (wherever required) complete. (measurements to be taken of the face area timbered) for Excavating the foundation.

Centering and shuttering including strutting, propping etc. and removal of form Work.Raft, Staircase, Balcony, Roof slab ,Lintels, beams, plinth beams, girders, bressumers,cantilevers Weather shade, Chajjas, corbels etc., including edges ( Up to 21 m height)

Providing and laying of plain cement concrete 1:3:6 (1 Cement : 3 coarse sand / M-Sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) Including mixing laying, curing, consolidation excluding side shuttering etc., complete, supply of all labours, materials, tools & plants etc., Supply of all materials, labour, tools and plants, scaffolding etc completed. All as directed for Foundation and under floors.

Providing and laying cement concrete 1:1 1/2:3 (1 cement 1 1/2 coarse sand 3 stone aggregate 20mm down gauge) for R.C.C. works as per drawing , curing including providing cover blocks in C.M 1:2 of required thickness complete, supply of all materials, labour tools and plants mixing laying in all leveels and consolidation with required vibrator, cost of centering and shuttering, scaffolding leaving holes and opening wherever required completed as directed and as per drawing excluding reinforcement including supply of all labour, material, tools & plants etc., complete. ( Up to 21 m height)

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to 24 M height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. Including de erection of scaffolding system after completion of work. The elevational area of the scaffolding shall be measured for payment purpose.

Providing and fixing( up to 21 m ht )precast cement concrete solid block masonary of size 450 mm x 220 mm x 300 mm / Suitable size as per site requirement, including hoisting and setting in position with cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering, shuttering complete , making of pre cost solid block with 1:1½:3 (1 Cement: 1½ coarse sand derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).including cost of materials, labours, tools, scaffolding, curing, simultaneously pointing wherever required and all other charges etc complete. Superstructure. ( Up to 21 m height)

Half Brick work with thickness of wall (115mm thick) with approved quality burnt clay bricks of class CD 75 approved quality as per I.S. 1977 in cement mortar 1:3(1 cement 3 coarse river sand) in ground floor and first floor, simultaneously pointing ,providing of 8mm dia rod in every 5th layer of brick wall including cost of supply of all materials,labours,tools&plants,scaffolding,curing and all other charges etc complete .( Up to 21 m height)

Supplying, Straightening, Cutting, bending, binding, placing in position Steel reinforcement of Fe 500 Grade HYSD Torr steel / TMT bars of make SAIL / VIZAG Steel(RINL) / TATA / TISCON /JINDAL for R.C.C works as per drawing and as directed including supply of G.I.Binding wire of approved first quality & thickness, cost of all labours, materials, tools & plants, and all other charges etc., complete. For cantiver beam, Balcony slab,staircase and service room,Roof slab etc ( Up to 21 m height)

Plastering the exposed surface of concrete faces and brick wall masonry upto 21M level with cement mortar 1:3 (1 cement, 3 fine sand) to be required thickness of 15mm thick in one layer, making rough the smooth surface, disposing the debris as directed, including the cost of supply of all materials, tools and plants, labours, curing & scaffolding and all other charges etc. complete. (for inside & outside of Lighthouse tower) ( Up to 21 m height)

Providing and fixing approved first quality Second class teak wood wrought frames of Doors & Windows with approved quality and size of hold fast fixing in Cement concrete 1:3:6 (1 Cement, 3 Coarse river sand, 6 graded Stone aggregate of 20 mm nominal size of approved first quality) as per standard drawing at all heights including cost of all materials, labours, tools and plants and all other charges etc., complete. ( Up to 21 m height)

Providing and fixing approved second quality class teak wood Glazed shutters forWindows at all heights and directed with providing & fixing all required approved first quality Aluminium fittings/fixtures and Brass Screws as per standard drawing including cost of all materials, labours, tools and plants and all other charges etc., complete. Lighthouse tower 25mm thick fully glazed window shutter ( Up to 21 m height)

Providing and fixing approved second quality class teak wood fully panelled shutters for Doors at all heights and directed with providing & fixing all required approved first quality Aluminium fittings fixtures and Brass Screws as per standard drawing including cost of all materials, labours, tools and plants and all other charges etc., complete. Lighthouse tower 35mm thick fully glazed window shutter. ( Up to 21 m height)

Supplying and fixing 0.92 M high Hand railing with PVC top in Mild Steel Flat welded to vertical supports consisting of Mild Steel flat and square bars as per drawing and as directed at all heights up to 24metre including cutting, welding, fabrication, painting etc supply of all materials, labours, tools & plants, scaffolding, ladder, and all other charges etc complete for Staircase railing.

Supplying and fixing at all heights G.I pipe (Heavy duty Tata/Jindal) hand railing 0.92 M high constituting of 50 /40mm dia horizontal in three rows and Verticals as per drawing including approved first quality necessary specials/fixtures such as TEEs, ELBOES, CROSSES , base fixing in the concrete slab etc., supply of all labours, materials, tools and plants and all other charges etc., complete. Using 50/40 mm Dia hot dipped GI "C" class pipes for top slab railing ( Up to 24 m height)

Supplying and fixing Mild steel ladder with hand railing as per drawing with all fittings and fixtures of approved first quality at all heights including painting two coats of Synthetic enamel paint including, applying of one coat of Zinc Chromate primer of approved quality and colour ( Both Paint & primer same brand ) etc., including cutting walls, floor slab as required. supply of all labours, materials, tools & plants, and all other charges etc., complete. ( Up to 21 m height)

Supplying and fixing in position of aluminium Trap door of size (700 mm x 850 mm) with all fittings and fixtures of approved first quality as per drawing including grouting the frame in service room top slab R.C.C M20 grade concrete and painting two coats with synthetic enamel paint over a coat of Zinc Chromate Primer of approved first quality and colour (Both Paint & primer same brand )as directed. Supply of all labours, materials, required fittings, tools & plants and all other charges etc., complete ( Up to 21 m height)

Providing and fixing 18 mm thick gang saw cut, mirror polished, premoulded and prepolished, machine cut for inside LH , staircase , Balcony, kitchen platforms, vanity counters, window sills, facias and similar locations of required size, approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing of edges to give high gloss finish etc. complete at all levels.( Up to 21 m height)

Providing edge moulding(nosing) to 18 mm thick in staircase including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-Charge including making of Grip grooves in tread in steps for LH Staircase ( Up to 21 m height)

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.( Up to 21 m height)

Applying of One coats Cement Primer with First quality of aproved coloured/brand/manufactures on undecorated wall surface, Ceiling surface to give an even shade including cost of Supply of all labours, materials, scaffolding , ladder,brushes, putty and all other charges etc., complete.( Up to 21 m height)

Painting on L.H.tower inside/Outside surface and Doors & windows at all heights with three Coats of Synthetic enamel paint to give an even shade including , cleaning the surface of all dirt, dust and foreign matters, sand papering, etc., Supply of all labours, materials, scaffoldings, Jhula/ Rope, Bosum chair etc ,tools and plants and all other charges etc., complete.( Up to 21 m height)

Painting on Steel and other metal / surfaces with three coats of Synthetic enamel paint over a coat of Zinc Chromate primer of approved first quality and colour ( Both Paint & primer shall of same brand ) at all heights ,brushing, to give an even shade including cleaning the surface of all dirt, dust and other foreign matters, etc., supply of all labours, materials, Scaffolding, tools & plants and all other charges etc., complete. ( Up to 21 m height)

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Dismantling of Solar panel, Light arrester, Light equipments and unforeseen items at Lighthouse tower top and keeping store safely in available store room and as directed etc complete

Filling (back filling/Refilling) available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 3.0 m

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for Raft/sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge. HIT-RE500 V4/500 ( Up to 21 m height)

Provision for applying NITOBOND chemical for old surface of tower for bonding between old surface and new surface.