Repair and maintenance of Inspection Quarters at Telephone Bhavan,Port Blair.

Amount

Providing and fixing 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. (a) 35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws.

Providing and fixing wooden moulded beading to door and window frames with iron screws, plugs and priming coat on unexposed surface etc. complete : (a) 2nd class teak wood (i) 50x12 mm

Providing and fixing curtain rods of 1.25 mm thick chromium plated brass plate, with two chromium plated brass brackets fixed with C.P. brass screws and wooden plugs, etc., wherever necessary complete : (a) 20 mm dia.

Providing and fixing aluminium sliding door bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with nuts and screws etc. complete :

Providing and fixing aluminium tower bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete :

Providing and fixing aluminium handles ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete : (a) 125 mm

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete. (a)Twin rubber stopper

Providing and laying rectified Glazed Ceramic floor tiles of size 300x300mm or more (thickness to be specified by the manufacturer), of 1stquality conforming to IS : 15622, of approved make, in colours 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 @ 3.3kg/sqm including grouting the joints with white cement and matching pigments etc., complete.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion (i)Single socketed pipes. (a) 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion.

(a) Single tee with door (i)110x110x110 mm

(b) Bend 87.5° (i)110 mm bend

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : (a)Two or more coats on new work.

Polishing on wood work with ready mixed wax polish of approved brand and manufacture (a) New work

Wall painting with premium acrylic emulsion paint of interior grade, 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.

(a) One coat

(b) Two coats

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : (a) One or more coats on old work.

Polishing on wood work with ready made wax polish of approved brand and manufacture : (a) Old work

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 , all complete as per directions of Engineer-In-Charge. (a) With cement mortar 1:4 (1cement: 4 coarse sand).

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty: (a) Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm).

Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings andfixtures complete, including cutting and making good the walls and floors wherever required : (a) W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require: (a) White Vitreous China Flat back wash basin size 550x 400 mm with single 15 mm C.P. brass pillar tap

Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete. (a) 10 litre capacity - White

Providing and fixing solid plastic seat with lid for pedestal type W.C. pan complete : (a)White solid plastic seat with lid

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. (a) Semi rigid pipe (i) 32mm

Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.

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

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia .Pipes.

Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms.(a)15 mm nominal bore

Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931. (a) 15 mm nominal bore.

Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931 : (a)15mm nominal bore

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour. (a) 15 mm nominal bore with 45 cm length.

Structural repairs to RCC members due to corrosion of reinforcment (and subsequent cracking and spalling) involving following operations. quality conforming to IS:8931 :

a)Removing completely cracked/ loose concrete by gentle taping of the affected portions ( no heavy hammering shall be resorted to) followed by chiselling, if necessary, to expose the corroded reinforcement bars completely, ensuring that all loose scale and corrosion deposits on bars are fully removed with an all round minimum celarance of 2-3 mm around the corroded bars. Steel shall be cleaned to a bright condition preferably with grit-blasting. Reinforcment corroded more than 40 % of the original section, shall be replaced with equivalent new bars, duly welded to sound main bars on both ends. ( cost of providing new reinforcement bars will be paid for seperately ). The freshly exposed concrete portions shall be cleaned throughly to completely remove corrossion deposits, any loose/flaky portions, smearings etc. to yield a clean and rough textured surface.

b) Priming the exposed steel and concrete surfaces to be carried out as follows. The thoroughly cleaned reinforcing bars shall be coated with an anticorrosive epoxy primer such as CERAZINC ZR of M/s CERACHEM or equivalent chemical of reputed manufacturers. The primer shall be an epoxy, two component, zinc rich liquid packed and supplied ready to use with unbroken 40 microns ( dry film thickness) coating and capable of providing active galvanic protection. It shall have suitable viscosity to enable the coating to penetrate in to imperfections and pits within the surface of structural steel. The freshly exposed and cleaned concrete surfaces shall be primed with epoxy based bonding agents such as CERABOND EP of M/S. CERACHEM of equivalent chemical of reputed manufactures. The concrete substrate should be thoroughly dampened with water and any excess water removed prior to the application of primer. It shall then be primed by throughly applying a slurry coat of bonding agent with water and cement in the proportion recommended by the manufacturer. (This shall be done immmediatly prior to the rebuilding of the concrete section).

c) Rebuilding / reinstating the structural members to their original dimensions by building up with two component high build structural grade polymer based cementitious reinstatement mortar such as CERA FIBRECRETE of M/s. CERACHEM or equivalent chemical of reputed manufacturers. The reinstatement mortar ( CERA FIBRECRETE or equivalant) shall be applied as soon as the bonding agent. CERA BOND EP or equivalent ) becoms tacky. The bond coat becomes tacky in about 2 minutes and the mortar shall be applied within 5-120 minutes. The entire mixing and application of the chemicals shall be carried out as per the instructions of the manufacturer.

d) Finishing the surfaces smooth with polymer modified cementitious mortar formed by mixing cement with epoxy based mortar modiying agents such as CERA BOND EP of M/s. CERACHEM or equivalent chemical of reputed manufacturers, in the proportion recommended by the manufacturer, the nominal thicknes of rendering shall be 6 mm. (Rates for the above operations shall be inclusive of the cost centring, shuttering and scaffolding required)

Making scaffolding to work upto floor V level inside shaft and removing the same after completion of work taking all care against safety of work force as per direction of the Engineer-in-charge

Cleaning of toilet wall and floor with cleaning chemicals to make it clean and filling joints of tiles with cement mortar and white cement where ever required including cleaning of floor traps for any choking and ensuring smooth flowing of waste water as per direction of the Engineer-in-charge

Easing and adjusting doors and windows for free movement including oiling, chiseling etc all complete.

Credit for available dimantled unserviciable materials to agency (a) Old rusted MS/GI sheet, angle, flat, Tee and the like

Dismantling GI pipe and fittings including clamps etc. and stacking within a lead of 50Mtrs.(Internal work-Exposed on wall (i) 15 to 40mm nominal bore

Providing and fixing CP brass 2in1 bib cock of approved brand and manufacture. (i) 15mm nominal bore

Providing and fixing CP brass telescopic shower rose of approved brand and manufacture.

Providing and fixing PTMT health faucet of approved brand and manufacture. (i) 15mm nominal bore

Providing and fixing CP brass soap dish of approved brand and manufacture.

"Providing and fixing CP brass towel rod with two CP brass brackets of approved brand and manufacture. i) 600 mm long

"Providing and fixing stainless steel grating(removable type) of approved brand and manufacture. i) 125 mm dia

Providing and fixing in position unplasticised PVC moulded fittings to unplasticised PVC pipes with solvent cement and testing the same for water leakage as per direction of the E-I-C. a) Trap 100mm inlet and 100mm outlet