Repairs and maintenance to Lighthouse tower, staff quarters etc at Androth East Lighthouse, Androth Island, UT of Lakshadweep

Amount

Up rooting the vegetation / small trees on the walls of the building / Lighthouse tower including cutting and removing the trees, remove the roots of the trees from the building with out damaging the wall / floor making good the wall using cement mortar 1:3 (One cement, three M sand) including supply of all materials, labour, tools & plants, scaffolding etc complete as directed.

Patch plastering with cement mortar 1:4.

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

With cement mortar 1:4 (1 cement : 4 fine sand)

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane :

3 mm thick.

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.

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 replacing the damaged hinges, screws etc, cost of all materials, labour, tools & plants, scaffolding etc., complete .

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.

Second class teak wood

Providing and fixing panelled or panelled and glazed shutters 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

30 mm thick shutters.

Renewing glass panes, with wooden fillets wherever necessary: including remiving the old glass, cost of all materials, labour, tools & plants, scaffolding etc complete as directed.

Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead including cost of all materials, labour, tools and plants, scaffolding etc complete.

G.S. Sheet

Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required, cost of all materials, labour, tools & plants, scaffolding etc complete.

1.00 mm thick with zinc coating not less than 275 gm/m².

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, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

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 plinth level :

CC 1:4:8 (1 Cement : 4 coarse M sand : 8 graded stone aggregate 40 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form work for :

Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

CC 1:2:4 (1 cement : 2 coarse M sand : 4 graded stone aggregate 20 mm nominal size).

Providing and laying factory made Precast concrete solid blocks of 200 mm thickness of grade M10 made of C&D waste from approved manufacturer in superstructure above plinth level up to floor V level including cost of all materials, labour, tools & plants, scaffolding etc complete as directed.

Cement mortar 1:6 (1 cement : 6 coarse sand).

CEMENT PLASTER (IN FINE SAND)- 12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand).

Painting two or more coats with Synthetic enamel paint (Asian / Berger/or equivalent) of approved brand and manufacture of required colour to the exterior 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.

Painting with Acrylic emulsion paint (Asian / Berger/or equivalent) of required shade of approved brand and manufacture to give an even shade to the interior side of Tower of approved brand and manufacture on wall surface as directed including cost of all materials, labour, tools & plants , scaffolding etc complete.

Painting with synthetic enamel paint (Asian / Berger) two coats with approved quality and colour to the interior wall of Lighthouse Tower along the inside stair wall side to match the existing painting pattern after scraping the surface cleaning with wire brushes, sand paper, scaffolding, supply of all materials labour tools and plants etc., complete as directed.

Painting two coats with Exterior emulsion paint (Asian / Berger) of approved brand and colour to the exterior surface of the buildings and compound wall after preparing the surface smooth including necessary repairs to scratches etc on wall surface as directed including cost of all materials, labour, tools & plants, scaffolding etc complete.

Painting with Acrylic emulsion paint (Asian / Berger) two or more coats of required shade of approved brand and manufacture to give an even shade to the interior side of buildings as directed including cost of all materials, labour, tools & plants , scaffolding etc complete.

Painting two coats with Synthetic enamel paint (Asian / Berger) to the Doors & windows of the buildings.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade as directed including cost of all materials, labour, tools & plants etc., complete.

Two coats on old work

Painting two coats with Synthetic enamel paint (Asian / Berger) to the Gates , Handrails etc buildings / LH tower.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade as directed including cost of all materials, labour, tools & plants etc., complete.

Two coats on old work

Polishing with french polish on previously polished wood and wood based surface to give an even surface including cleaning the surface of all dirt, dust and sand papered smooth and including a coat of wood filler etc including cost of all materials, labour, tools & plants complete as directed.

Wooden Dining chair

Wooden Dinning Table

Wooden chair

Wooden cot single

Replacing the damaged plywood of the wooden cots with 8mm thick marine plywood (Anchor brand or equivalent) in the staff quarters after removing the old one fixing with fevicol, nails etc., as directed. Supply all materials, labour, tools 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 as directed at site, supply of all materials, labour, tools and plants etc., complete.

Replacing the old worn out sign boards of the Office & Staff quarters 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. Supply of all materials, labour and tools etc.,

Replacing old board with box type glow display board of size 1.50x 1.00m 250mm deep made out of angle iron frame work, side & back side to be made aluminum sheet of 18 gauge, front portion with flex printing of approved quality with aluminium corner angles, inside lighting arrangement with tube light, board to be fitted to the compound wall at appropriate place with necessary posts,& nut & bolt. Supply of all materials, labour and tools etc., complete.

Cleaning of septic tanks and petty repair to sewage line including removal of sludge with mechanised pump and disposing the sludge as directed, cleaning Inspection chamber, Manhole and sewer line including supply of all material, labour, tools etc., complete as directed.

Bailing out water from the open well at Lighthouse compound, including 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 supply of all materials, labour, tools & plants etc complete as directed.

Hire charges of mechanized boat 30 / 35 feet from Androth jetty to anchorage point of ship & return for the transportation of men & materials, embarkation & disembarkation of dept officials from ship for the work including cost of all labour, fuel charges etc complete.

Sabith P.K.

HAMEED SADAROMME CHETTA