Repair, maintenance and repainting of DFO Bunglow at Mithila under Rangat Range during 2022-23

Amount

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:

1:1½:3 (1 cement : 1½ coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).

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

Foundations, footings, bases for columns.

Providing and fixing up to floor five level precast cement concrete hollow block including hoisting and setting in position with cement mortar 1:3 (1 cement : 3 coarse sand), cost of required centering, shuttering complete.

1:1½:3 (1 Cement: 1½ coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size) .

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

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size)

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

Shelves (Cast in situ)

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.

Providing and fixing 2nd class teak wood plain lining tongued and grooved, including wooden plugs complete with necessary screws and priming coat on unexposed surface.

12 mm thick -(Note: Timber shall be supplied departmentally)

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.

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 ( hold fast lugs or dash fastener shall be paid for separately). (Note: Timber shall be supplied departmentally)

Kiln seasoned and chemically treated hollock wood

Providing wood work in frames of false ceiling, partitions etc. sawn and fixed in position with necessary stainless steel screws etc.(Note: Timber shall be supplied departmentally)

Kiln seasoned and chemically treated hollock wood

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand), Jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with white cement and matching pigment etc., complete.

Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand).

Dark shade pigment using ordinary cement

Providing and fixing plain multipurpose cement board(Hight pressure steam cured) with suitable screws for cement particle board in ceiling etc. complete (frame work to be paid seperatately).

6 mm thick Cement fiber board as per IS: 14862

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto 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.

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface

Water thinnable cement primer

Applying priming coat:

With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches 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.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Providing and fixing sanitary, water supply and bathroom fittings including the cost of all required fittings and fixtures complete, and cutting and making good the walls and floors wherever required etc. all complete - Sanitary fittings

C P Heath Faulcet (Jaguar)

C P Gratings - 65 mm (Jaguar)

Water Closet - European Type (Johnson)

C P two-Way Bib Cock (jaguar)

Wash Basin complete set (Johnson)

C P Pillar Cock (Jaguar)

Flexible tube 15 mm (Jaguar)

Mirror (Jaguar)

C P Angular Stop Cock (Jaguar)

Three-in-one Wall Mixture (Jaguar)

Hand Shower (Jaguar)

Over head Shower (Jaguar)

Shower Arm (Jaguar)

Soap Dish Holder (Jaguar)

Towel Ring (Jaguar)

Geyser - 10 Ltrs capacity

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, 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. Concealed work, including cutting chases and making good the walls etc.

20 mm nominal outer dia Pipes

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

25 mm nominal outer dia Pipes

Providing and fixing at all height false ceiling with multichambered hollow PVC sections of size 3650 x 300 mm x 10 mm (length x breadth x height respectively) jointed with each other by lapping joint and fixed with main channel and perimeter angle by self tapping SS Screws of sixe 19 mm including providing and fixing frame work consisting of perimeter G I Angle of size 25mm x 10mm x 0.5 mm thick fixed along walls with necessary screws and main GI channel of size 42mm x 15 mm x 15mm x 1 mm thickfixed with perimeter angle at 1m height centre to centre with S S screws of size 19mm to make grid to multichambered PVC sections and suspended to the grid using GI angle of size25mm x 10mm x 1mm thick fixed to ceiling withfixed of size 35mm at 1 meter centre to centre along the direction of each and every main channel and providing necessary cut out for electric connections, fans, lightings, air conditionings etc. and visible out edges, corners and junctions with wall shall be covered by exteruded PVC corner beading sections of size 13mm x 10mm x 1.8mm thick by applying cynoacrybte adhesive all complete as per the manufacrturers specification.

SELVARAJ

AJAY KUMAR SHUKLA

M KARIKALAN