Repair and Maintenance of School Building including IEI of VKZPV,Kadamtala.

Amount

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

1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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

Foundations, footings, bases of columns, etc. for mass concrete

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.

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

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.

Structural steel work in single section, fixed with or without connecting plate,including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Electric resistance or induction butt welded tubes

Providing and fixing bolts including nuts and washers complete.

Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08%and conforming to IS : 15622 , of approved make, in all colours and shades, laid on 20mm 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.

Size of Tile 600x600 mm

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

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.

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).

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 Hard Wood Cat-II (B)

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 as per direction of Engineer-in-charge.

Superior Hard Wood Cat-II (B)

35 mm thick shutters

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 as per direction of Engineer-in-charge.

Superior Hard Wood Cat-II (B)

30 mm thick shutters

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications :

Two or more coats applied on walls @ 1.25 ltr/10 sqm. over and including one coat of Special primer applied @ 0.75 ltr / 10sqm

Painting wood work with Deluxe Multi Surface Paint of required shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @0.75 ltr/ 10 sqm of approved brand or manufacture

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.

On steel 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.

With cement mortar 1:4 (1cement: 4 coarse sand).

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)

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 tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.

For thickness of tiles 10 mm to 25 mm

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

Asbestos sheet

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.

Providing and fixing G.I. Pipes complete with G.I. fittings and clamps, i/c making good the walls etc. concealed pipe, including painting with anticorrosive bitumastic paint, cutting chases and making good the wall:

15 mm dia. nominal bore

20 mm dia. nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

Providing and fixing brass bib cock of approved quality :

15 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : :

25 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

25 mm nominal bore

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).

Electrical Works

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed steelconduit, with piano type switch, phenolic laminated sheet, suitable size MS box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required

Group-C

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit alongwith 1 No. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC Conduit as required.

2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

4 X 6 sq. mm + 2 X 6 sq. mm earth wire

Supplying and fixing following piano type switch/ socket on the existing switch box/ cover including connections etc. as required.

5/6 amps switch

3 pin 5/6 A socket outlet

Bell push

Supplying and fixing Suitable size PVC box on surface or in recess, including providing and fixing 3 pin 5/6 amps socket outlet and 5/6 amps piano type switch, connection,painting etc. as required. Make anchor/polycab/Havells or equivalent to ISI standard.

Supplying and fixing Suitable size PVC box on surface or in recess, including providing and fixing 6 pin 5/6 amps socket outlet and 15/16 amps switch, connection,Paintiong etc. as required.Make anchor/polycab/Havells or equivalent to ISI standard.

Supplying and fixing 3 pin, 5 A ceiling rose on the existing junction box/ PVC block including connections etc. as required.

Supplying and fixing call bell/ buzzer suitable for single phase, 230 V, complete as required.

Installation, testing and commissioning of pre-wired, LED fitting of all types, complete with all accessories and tube etc. directly on ceiling/ wall, including connections with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable and earthing etc. as required

Installation, testing and commissioning of ceiling fan, including wiring the down rods of standard length (upto 30 cm) with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable etc. as required

Supplying and fixing type electronic fan regulator(Socket type) on the switch box including connections etc. as required. Make anchor/polycab/Havells or equivalent to ISI standard.

Supplying and fixing Brass batten/ angle holder including connections etc. as required.

Supplying and fixing following way,single pole and neutral, sheet steel, MCB distribution board, 415 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator)

4 way (4 + 12), Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single Pole MCB

Supplying and fixing following rating, Four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

63 Amps, 4 Pole Isolator

Supplying, installation, testing & commissioning of ASHLOK Make SEE brand saf earthing electrode type-19, 50mm dia , length 2 mtr (Short time currennt -52.6 rms for 1 sec peak -125.6) with back fi2ll compound including providing masonary encloser with cover plate having locking arrangement etc. as required

Providing and fixing 25 mm X 5 mm G.I strip on surface or in recess for connections etc. as required.

Supplying and prewired of LED tube light 20W LUMEN output 2000lm 6500K Product code PANASONIC PBTM02203 or equivalent to ISI standard.(Havells/Panasonic/Polycab) or equivalent to ISI standarad

Supplying and fixing of new generation energy saving environment friendly long life 25 W LED street light made up of pressure dia cast aluminium housing with high power LED as light source and embeded PC cover having top opening separate driver compertment with IP65 PROTECTION AND ik07 IMPACT RESISTANCE (CAT PUBO506109, PCGLS C4 25W POLY CAB) along with its Mounting (G.I PIPE 32mm) (Make: Bajaj/Havells/Orient/Crompton or equivalent to ISI Standard).

Supplying of A.C Ceiling fan (1200mm sweep Energy FAN) USHA ENERGIA 50W suitable for operation on 230volts, single Phase, 50Hz, A.C Supply including 300mm long rod and without regulator as required. (Make: Bajaj/ Usha/ Orient. Crompton or equivalent to ISI Standard).

supplying of LED Lamp 9W (Make: WIPRO TEJAS 9W) (Make: Bajaj/ Usha/ Orient. Crompton or equivalent to ISI Standard).

Supplying of following sizes XLPE insulated Heavy duty ar,ound aluminium conductor UG cable of 650/1.1 KV grade conforminf to IS: 7098(Part I) 1988 as applicable. (Make: Gloster/ Havells/ Polycab/ Finolex. Etc as required.

4 core x 6 sq.mm

4 core x 50 sq.mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Upto 35 sq. mm (clamped with 1mm thick saddle)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.

Above 35 sq. mm and upto 95 sq. mm

Supplying and laying of one number double walled corrugated (DWC) high density polythelene pipe having corrugated on the inner wall and plain surface inner wall confirming to IS 14930, Part I& II complete with necessary HDPE fitting for protection of 1.1 KV grade under ground cable directly in ground at depth of 50 cm i/c excavation and refilling the trench as required.

50 mm outer dia nominal size

Supplying annd fixing of 25W Post top Light Fitting environmental friendly long life designed with symmetrical light distrubtion with IP65 protection Make Havells Modle CORAL (OPAL) IP65 or its equivalent as approached by Engineer in charge.

Supplying and fixing of SMC box of size 230 x 170x105mm (for out door light) inside to house 4 Way connector and 6A MCB with clamping arrangement for SMC box as required.

Supplying installation testing and commisioning of water pump kirlosker make 1HP/0.75 KW, Single Phase, 2900 rpm, Model (MINI-40CESP), D11xA01010401033,25x25 MM Suction x Delivery etc. complete set as required.

Supplying and fixing of 1.5KW/2 HP SINGLE PHASE DOL Starter for motor (MAKE: Havells)(Model - IHADOAG1*) Crompton/Havells or equivalent as ISI standard.

K BABU

M/S TRIPATHI AND BROTHERS