Special structural repair of GSSS School Line Block-III Phase-I

Amount

Surface preparation to receive micro concrete by chipping to depth of maximum 75 mm,cleaning , removing the traces of dust , loose concrete etc. including the cost of all labour charges, minor tools etc complete.

Replacement of reinforcement as additional bars including bending , cutting welding and fixing, excluding cost of steel, all labours charges, minor tools etc complete.

Supplying preparing and priming the reinforcement steel with Epoxy zinc Primer or Epoxy anti corrosive paint (conforming to having IS/BIS certification) including the cost of all materials, labours minor tools etc.

Supply and appliation of Epoxy concrete bonding agent (conforming to and having BIS 6319 certification) and over cleaned and properly prepared old concrete surface to give food bonding between old and new concrete, including cost of all materials minor tools etc complete.

Supplying and fixing form work and shuttering to receive the micro concrete including cost of all materials , all labour charges , minor tools etc.

Supplying and applying high strength non shrink cementinous free flow concrete (with minimum 28 days flexual strength 50 kg/Sqm and compressive strength 500 kg/Sqm as per BIS 4551-80) for above water level on site to enable completion of pouring in a continous operation. An approved grout concrete mixed of slow speed heavy duty drill and exact quantity of water as recommended should be pured into the vessel slowly abd mix the same thoroughly in a forced action. The mixed material should be placed immediately to postion form work continoulsy to an average thickness of 50 mm without any gap i/c all materials and labour dhcarges etc complete.

Supplying mixing and applying curing Membrane or equivalent with water including cost of all materials all labour charges , mirnor tools etc complete.

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story 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 .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Providing and fixing in position facias and eaves board with 18 mm wooden plastic component (WPC) sheet 30cm wide including fixing witth nuts and bolts 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 ( hold fast lugs or dash fastener shall be paid for separately).

Superior Hardwood Cat-II A

Providing and fixing glazed shutters for doors, windows and clerestory windows using 4 mm thick float glass panes, including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws using Superior hardwood Cat-IIA.

35 mm thick

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,excluding panelling which will be paid for separately, all complete asper direction of Engineer-in-charge.

35 mm thick Superior Hard Wood Cat-II (A)

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 :

With Superior Hardwood Cat-II (A)

Providing and fixing Aluminium hooks & eyes standard size of 150 mm .

Cleaning of septic tank of any capasity upto 3000 Litre by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump and all arrangement such as connection pipe and skilled operator including dispose the same as per direction of Engineer-In-Charge.

Carriage of servicable materials by mechanical means upto 2.00 Km lead including loading and unloading and stacking as per direction of Engineer-In-Charge.

Providing and laying hollow cement concrete block walling upto floor five level 200mm thick consisting of hollow block of size 400x200x200mm of mix 1:3:6(1 :cement 3 :coarse sand 6 :graded stone aggregate 10mm nominal and down size) having a crushing strength of 3.5N/sqmm at 28 days as per IS:2185 (part-I) 1979 laid in cement mortar 1:6(1 :cement 6 :coarse sand) upto floor five level.

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 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 :

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.

Twin rubber stopper

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

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.

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

Distempering with 1st quality acrylic distemper (ready mixed) of approved manufacturer, of required shade and colour complete, as per manufacturer's specification.

Two or more coats on new work

Finishing walls with Acrylic Smooth exterior paint of required shade

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Applying priming coat:

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

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

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

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.

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

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

Float glass panes of thickness 4 mm

Renewing glass panes, with wooden fillets wherever necessary:

Float glass panes of thickness 4 mm

White washing with lime to give an even shade :

Old work (one or more coats)

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

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

One or more coats on old work

Distempering with 1st quality acrylic washable distemper (ready made) of approved manufacturer and of required shade and colour complete. as per manufacturer's specification.

One or more coats on old work

Finishing walls with Acrylic Smooth exterior paint of required shade:

Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :

Of area 3 sq. metres and below

Of area beyond 3 sq. metres

Taking out doors, windows and clerestory window shutters (steel or wood) including stacking within 50 metres lead :

Of area 3 sq. metres and below

Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters:

35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

B M SINGH

M/S THAKUR TRADERS AND ENGINEERS