Repair and renovation of Library block for Govt. SSS at Kadamtala under CD-I, APWD, Rangat

Amount

Dismantling cement asbestos or other hard board ceiling or partition walls including stacking of serviceable materials and disposal of unserviceable materials within 50 metres lead.

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

Dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead :

Of sectional area 40 square centimetres and above

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

G.S. Sheet

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

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 :

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources: 6 graded stone aggregate 40 mm nominal size derived from natural sources).

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

Foundations, footings, bases for columns

Dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc. all complete. (Payment for Stone to be made separately).

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Providing and fixing M.S. fan clamp type I or II of 16 mm dia M.S. bar, bent to shape with hooked ends in R.C.C. slabs or beams during laying, including painting the exposed portion of loop, all as per standard design complete.

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 Engineer-in-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.

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, 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 using self drilling/ self tapping screws complete :

Ridges plain (500 - 600mm)

Flashings/ Aprons.( Upto 600 mm)

Providing and fixing powder coated aluminium work (minimum thickness of powder coating 50 micron) consisting of tee/ angle sections, of approved make conforming to IS : 733 in frames of false ceiling including aluminium angle cleats with necessary C.P. brass/ stainless steel sunk screws, aluminium perimeter angles fixed to wall with stainless steel rawl plugs @ 450 mm centre to centre and fixing the frame work to G.I. level adjusting hangers 6 mm dia. with necessary cadmium plated machine screws all complete as per approved architectural drawings and direction of the Engineer-in-charge (level adjusting hangers, ceiling cleats and expansion hold fasteners to be paid for separately).

Providing and fixing 6 mm dia. G.I. level adjusting hangers (upto 1200mm length), fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40x3mm size 60 mm long and stainless steel expandable dash fastener of 12.5 mm dia and 50 mm long, complete as per direction of Engineer-in-charge.

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

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 direction of Engineer-in-Charge.

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

Providing and fixing aluminium casement stays, 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.

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.

Fixed to openings /wooden frames with rawl plugs screws etc.

White washing with lime to give an even shade :

New work (three or more coats)

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

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

Applying priming coat:

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

With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works

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

Two or more coats on new work

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.

Single rubber stopper

Providing and fixing 30 mm thick glazed shutters for windows with superior hard wood Cat-II (A) as per IS: 401 using 7.5 Kg/sqm (4 mm thick) glass panes including oxidised M.S. butt hinges with necessary screws etc., complete as per the directed by Engineer-in-charge.

Providing and fixing 35 mm thick panelled, glazed or panelled and glazed shutters for doors i/c oxidised MS butt hinges with necessary screws with superior hard wood Cat-II (A) as per IS: 401 i/c panelled with 12 mm thick marine ply (BWR) conforming to relevant specification with wooden cleats and blocks as per the directed by Engineer-in-charge.

Providing and fixing in position facias and eaves board with 18mm wooden plastic component (WPC) sheet 30cm wide including fixing with nuts and bolts etc complete.

Providing wood work in frames of truss, purlins, rafter and wrought framed fixed in position:

Superior hard wood cat-II (A).

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position:

Superior hard wood of cat-II (A).

Providing and fixing PVC pipe for weep hole in walls etc. as per the direction of Engineer-in-chagre.

75 mm dia.

Providing cement concrete surface drain including earth excavation 10 cm thick base concrete with 1:3:6 ( 1 cement: 3 sand: 6 graded stone aggregate 40 mm nominal size) finished with 1:4 (1 cement: 4 fine sand) including a floating coat of neat cement inside the drain and its top and exposed surface including earth work in excavation and disposed of surplus earth.

23 x 23 cm surface drain

Schedule of credit Notes: 1) All quantities shown are provisional. 2) Tenderers are advised to inspect the old material/item at site and ascertain their condition. It shall be deemed that the contractor has made himself well aware and ascertained the condition of these items, whether he inspects them or not. No claim whatsoever on this account shall be admissible by the Government. 3) The items as indicated in this schedule shall be the property of the contractor and shall not be used in new work. The total amount of credit shall be deducted from total of schedule to arrive at contract sum. 4) Amount of credit shall be recovered from the contractors RARs and then only retrieved material under this schedule will be allowed to be removed from site/store by the contractor. Serviceable material/items other than shown here-in-below obtained from demolition/taking down if any, shall remain the property of the Government and the contractor shall deposit the same with the Engineer-in-charge as directed and debris/unserviceable material shall be disposed off the site as per his direction without any extra cost of the Government. 5) The Accepting Officer shall reserve the right to retain any or the full quantity of demolished/dismantled materials which in his opinion is serviceable. However, the recovery shall be affected only for the quantities issued to the contractor under this schedule. 6) The rate quoted is firm and the contractor shall have no claim whatsoever the case may be, if the actual value of dismantled materials turns out to be different.

Disposal of dismantled materials cement asbestos or other hard board ceiling or partition walls etc. from work site suitably (contractor shall quote the rate that he will pay to Govt. on account taking over of materials by dismantling)

Disposal of dismantled materials doors, windows and clerestory windows (wood) shutter including chowkhats, architrave, holdfasts etc. complete from work site suitably (contractor shall quote the rate that he will pay to Govt. on account taking over of materials by dismantling) Of area 3 sq. metres and below

Disposal of dismantled materials wood work in frames, trusses, purlins and rafters etc. complete from work site suitably (contractor shall quote the rate that he will pay to Govt. on account taking over of materials by dismantling) Of sectional area 40 square centimetres and above

Disposal of dismantled materials roofing including ridges, hips, valleys and gutters etc., from work site suitably (contractor shall quote the rate that he will pay to Govt. on account taking over of materials by dismantling) G.S. Sheet

KUMARESH MONDAL

SUBHASH CHANDRA MONDAL

K RAJAN