Internal and external painting, balance repair works to Type-III-B Block, in Kamorta compound, Shadipur, Port Blair

Amount

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

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead (a) Of area 3 sq. metres and below

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.

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.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50m outside the periphery of the area cleared.

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 : (a) 1:2:4 (1 Cement : 2 coarse sand derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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). (a) Kiln seasoned and chemically treated hollock wood.

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately) (a) Kiln seasoned and chemically treated hollock wood (i) 30 mm thick shutters

Providing and fixing panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows (Area of opening for panel inserts excluding portion inside grooves or rebates to be measured). Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick :

(a) Kiln seasoned and chemically treated hollock wood.

(b) Float glass panes (i) 4 mm thick glass pane (weight not less than 10 kg/sqm)

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete. (a) Fixed to openings /wooden frames with rawl plugs screws etc.

Providing 40x5 mm flat iron hold fast 40 cm long including fixing to frame with 10 mm diameter bolts, nuts and wooden plugs and embedding in cement concrete block 30x10x15cm 1:3:6 mix (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size).

Providing and fixing ISI marked M.S. pressed butt hinges bright finished with necessary screws etc. complete :

(a) 100x58x1.90 mm

(b) 75x47x1.70 mm

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 : (a) 250x16 mm

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 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

15 mm cement plaster on rough side of single or half brick wall of mix : (a) 1:4 (1 cement: 4 coarse sand)

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement. (a) 20 mm cement plaster

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface : (a) Water thinnable cement primer.

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

Distempering with 1st quality acrylic distemper, 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 or more 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.

Finishing walls with Acrylic Smooth exterior paint of required shade : (a) Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface).

Fixing chowkhats in existing opening including embedding chowkhats in floors or walls cutting masonry for holdfasts, embedding hold fasts in cement concrete blocks of size 15 x 10 x 10 cm with cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size), painting two coats of approved wood preservative to sides of chowkhats and making good the damages to walls and floors as required complete, including disposal of rubbish to the dumping ground, all complete as per directions of Engineer-In-Charge.

Door chowkhats .

Window chowkhats .

Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge.

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 P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. (a) Flexible pipe (i) 32 mm dia

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 (a) 20 mm nominal outer dia. Pipes.

Providing and fixing PTMT bib cock of approved quality and colour. (a) 15mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing PTMT pillar cock of approved quality and colour .(a) 15mm nominal bore, 107 mm long. Weighing not less than 110 gms.

Providing and fixing PTMT angle stop cock 15 mm nominal bore. Weighing not less than 85 gms.

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour.

Providing and fixing PTMT extension nipple for water tank pipe, fittings of approved quality and colour. (a) 20mm nominal bore. Weighing not less than 40 gms.

Structural repairs to RCC members due to corrosion of reinforcment (and subsequent cracking and spalling) involving following operations.

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.

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 with bamboo and ropes , tying it with building at intermediate points and making arrangement to inspect the work by providing access platforms to work upto floor V level including removing the same after completion of work, taking all care against safety of work force as per direction of the Engineer-in-charge.(Elevation and length of scaffolding to be measured)

Cutting / pruning tree branches touching departmental buildings at all height upto 12Mtrs above ground level by providing necessary pulley and rope arrangement and taking necessary precautions to safeguard labours and inmates and not to damage adjacent structures including disposal of cut tree parts at a distance of upto100 m from work site as per direction of the Engineer-in-charge.

Taking out existing wooden door shutter, repair by cutting to required size and refixing of repaired door shutters to existing door frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the Engineer-in-charge.(New members fixed if any, shall be paid extra).

Removing bitumen from terrace by chiseling , rubbing withoud damaging the structural member and preparing the surface ready to receive fresh concreting as per direction and up to the satisfaction of the Engineer-in-charge.