REPAIR TO ROOF FLOORING PLASTERING AND REPLACEMENT OF STRUCTURAL STEEL WORK IN BLDGS OF AGE B R I AT AF STATION UNDER GE (AF) CHABUA

Amount

Dismantling timber scantling 40 Sqcm and over in section , in any position of framed work complete all as specified .

Ditto as in item No.1 but in unframed work complete all as specified.

M & L plain fillets , second class soft wood square , rectangular or triangular in section, celan sawn , secured with nails or brads , sectional area exc 13 Sq cm and n exc 25 Sq cm complete all as specified

Dismantling wall and ceiling boards ( fibre , pulp , insulation etc ) or insulation boards / slabs / blankets any thickness including cover fillets complete all as specified .

S & F 4 mm thick non asbestos cement building boards (e boards) to framework with screwes in false ceiling one face printed engraving to match existing and factory coted (white) complete all as specified .

S & F for suspended false ceiling using anodised GI exposed ceiling suspension system of grid size 60 cm x 60 cm width main runner ' T " section of size 38 mm x 24 mm x 0.4 mm thickness and wall angle of size 24 mm x 24 mm x 0.3 mm thickness and cross Tee of size 24 mm x 24 mm x 0.43 mm thick GI system duly suspended with 4 mm dia Gl bar hanger fixed with steel dash fasteners or iron purlin from the roof with adjustement clip providing position for light fixtures , air conditioning dufuser and ducks , sprinkler , smoke detector etc. The main runner to be secured to structural soffit by hanger @ 1220 mm maximum C / C . The last hanger at the end of each runner should not be placed at more than 450 mm from the adjacent wall . Flush fitting 1200 mm cross ' T " to be inter locked between main runner @ 610 mm C / C so asto form 600 mm x 600 mm grid complete all as specified including taking down of old existing ceilings .

Dismantling wrought iron or mild steel work of any description not otherwise for complete all as specified .

S & F rolled mild steel work in tubular trusses, purlin, rafters & columns etc incl necessary welding / fabrications complete all as specified

S & F gusset plates , cleats etc incl necessary welding drilling for fixing etc all as specified

S & F framed work as in doores or gates of angle or other section with gusset plates, rails , etc complete , drilled for fixing of steel sheting or other covering , doors , etc to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings ( exclusive of steel sheeting or other covering , running rails and guides ) and hanging also fastening and fixing complete Fe - 290 Gde E - 165 complete all as specified .

S & F 2nd class hardwood in scantling timber framed framed work and fixed wrought in any position and in any situation complete all as specified .

S & F Ilnd class hardwood in scantling timber unframed work and fixed wrought in any position and in any situation complete all as specified .

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete

S & F prepainted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of colour having tensile strength of 550 Mpa as in roof covering / cladding to wall , fixed with self tapping screws or ' J ' / ' L ' hooks including dismentling of Old plain or corrugated steel sheeting all as specified

-ditto- as in item No. 14 but plain sheet as in ridges , gutters, facia bd etc

Dismantling Asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings

S & F for 6 mm thick asbestos cement , corrugated or semi corugated sheets in roofs fixed with L - type or J - type or cranked hook bolts or self tapping screws including dismentling Old AC roof sheet complete all as specified .

-ditto- as in item No. 17 above but fixing only .

M & L for asbestos cement two piece adjustable serrated ridge for corrugated or semi corrugated sheets fixed with Ltype or J - type or cranked hook bolts .

S & F 0.63 mm thick class VII corrugated galvanised mild steel sheeting with two corrugation side lap fixed with J hooks or self tapping screw in roof including dismentling all as specified

S & F 0.63 mm thick plain , galvanised , mild steel sheeting , in ridges , hips , valley gutters , drip and straight flashings ( length and girth as fixed ) with grade of zinc coating 275 all as specified

M & L for preparation of new or previously untreated surfaces of steel of any description over 10 cm width or girth not otherwise described and applying two coats of synthetic enamel paint over coat of red oxide primer complete all as specified .

Demolition of brick work built in cement mortar complete all as specified .

M & L for brick work with sub class ' B ' bricks , straight or curved on plan exc 6 m mean radius built in CM 1 : 6 complete all as specified .

demolition of cement concrete ( unreinforced ) in any description and in any position not otherwise specifically provided for complete all as specified .

M & L for PCC ( 1 : 4 : 8 ) type D2 ( using 40 mm graded aggregate ) as in fdn , filling and mass concrete complete all as specified .

M & L PCC ( 1 : 2 : 4 ) type B1 using 20 mm graded aggregate for bearing / bed plates , copings , kneelers , apex stones , kerb stones etc incl weathering , slightly rounded or chamfered angles and throating complete all as specified .

Taking down cement plaster on brick or stone walls etc including racking out joints hacking for key and scrubbing down with water etc complete all as specified .

Demolition of reed , lathing , single or double , including battens and plaster or chicken wire lathing complete all as specified .

M & L for Gl wire netting 0.90 mm dia and 12 mm mesh lathing to wood or metal studding and welded with angle iron frame incl all laps , cutting and waste

M & L for rendering 15 mm thick on one side of lathing finished fair & even in CM ( 1 :4) complete all as specified .

Ditto as in item No.31 but for 10 mm thick in CM ( 1 : 6 ) on other side of lathing

M & L for 15 mm thick rendering in CM ( 1 : 4 ) on fair faces of brick wall or concrete surface finished fair & even without using extra cement complete all as specified .

M & L for rendering 15 mm thick on Brick wall finished fair & even in CM ( 1:6) complete all as specified .

M & L for preparation of newly plastered surfaces of walls and applying two coats of cement base paint over a coat of alkali resistant primer complete all as specified .

M & L for two coats of oil bound distemper on wall surfaces over a coat of primer on newly plastered surfaces of wall including preparaion of surfaces complete all as specified

M & L preparation of new wooden surfaces over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified.

Dismantling floor hearth and wall tiling including cement mortar bedding ( but not backing ) , removing rubbish off the premises, complete all as specified .

M & L glazed coloured ceramic tiles of size 450 x 300 x 7 mm thick on vertical surfaces , set and jointed in neat cement slurry and poited with white cement to match the coloured tiles including 10 mm thick rendering in M 1 : 4 for verticl sub base complete all as specified.

M & L non skid Coloured ceremic tiles 7 to 8 mm thick ( square or rectangular ) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm , in floor etc and jointed in neat cemnt slurry and pointed in white cement or coloured cement to match the shade of tile over and includig 15 mm thick screed bed layer in CM ( 1 : 6 ) complete all as specified .

-ditto- as in item No 40 above but on dado / skirting over 10 mm thick plastering in CM ( 1 : 4 ) complete all as specified .

M & L Glazed ceremic coloured tiles 300 x 450 x7mm thick , in floors , set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tile over and including 15 mm thick screed bed layer in CM ( 1 : 6 ) complete all as specified .

Diito as in item 42 Above but on vertical surfaces such as skirting , dados and riser to steps over and including 10m thick baking coat in CM 1:4 etc, complete all as specified .

M & L Vitrified ceramaic tiles 10 mm thick dark shade ( square / rectangular ) polished, area of each tiles not exceeding 0.36 sqm , in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match including 15 mm thick screed bed layer in CM ( 1 ; 6 ) complete all as specified.

Ditto as in item No 44 above but on dado / skirting over 10 mm thick plastering in CM ( 1 : 4 ) complete all as specified.

M & L PCC ( 1 : 2 : 4 ) type B - 1 , ( Using 20 mm graded aggregates ) 25 mm thick, finishing surface even and smooth without using extra cement complete all as specified .

Providing 40 mm thick PCC 1 : 2 : 4 type B - 1 ( using 20 mm graded aggregate ) as in floors finishing the cement concrete surface even and smooth without using extra cement complet all as specified .

Glass dividing strips 3 mm thick 38 mm wide , inserted in position , confirm to deisign .

M & L Providing 75 mm thick PCC 1 : 3 : 6 type C - 2 ( using 40 mm graded aggregate ) as in plinth protection, , finishing surface even and smooth without using extra cement complete all as specified .

S & F in repairs water closet ( Squatt Pattern ) complete incl provn of lime concrete bedding Orissa pattern size 580 x 440mm white integral foot rests ( excluding flush pipe or flushing cisterns ) including connection to trap and flushing pipe anti syphonage pipe etc complete and making good to floor .

S & F in repairs vitreous china wash down water closet pan ( pedestal pattern ) coloured ( including two Nos fixing bolts incl PVC seat cover but excluding flushing cistern and flush pipe ) complete including making good to floor with and including fixing of P or S trap , complete all as specified .

S & F in repairs PVC High / Low level flushing cistern 10 litrescapacity including all fittings i.e. float valve , syphon , flushpipe , brackets all as specified .

S & F in repair PVC connections 15mm dia with brass nut on both ends and washers 450mm long all as specified .

S & F in repair bib taps CP brass fancy type with crutch or butterfly handle screwed down screwed for iron pipe for brass ferrule 15 mm dia .

S & F in repair stop valves cast copper alloy , screwed down , high pressure with butterfly handle , screwed both ends for iron pipe or for unions 15mm bore .

S & F tubes 15 mm bore medium grade galvanised with all fittings and fixed complete to walls and ceiling or laid in floor (whether concealed / face as directed by engineer charge) etc complete all as specified including taking up or down steel tubing and connections including cleaning for re - fixing or removal to store .

S & F tubes 20 mm bore medium grade galvanised with all fittings and fixed complete to walls and ceiling or laid in floor etc complete all as specified including taking up or down steel tubing and connections including cleaning for re - fixing or removal to store .

S & F in repair vitreous china wash hand basin , ( white ) , flat back of size 550x400 mm with and including two CI brackets , brass chromium plated incl waste coupling fittings and PVC waste pipe complete all as specified.

S & F in repairs 15 mm size fancy type pillar taps , cast copper alloy , with capstan heads , chromium plated , screwed down high pressure , with or without lettered ' Hot or Cold ' with long screwed shanks and fly nuts , screwed for iron pipe and fixed.

S & F in repairs 15 mm dia bore cast copper alloy chromium plated angle cock / stop cock witjhlong shank and cup ( concealed type ) screwed down high pressure with capstan head , screwed both ends for iron pipes or for union and fixed , complete all as specified.

S & F in repair 15 mm bore cast copper alloy chromium plated health faucet with flexible pipe for EWC , complete all as specified.

S & F in repair CP towel rail 20 mm dia , 60 Cm lomg fixed with CP screwes and wood cleats / rowel plilug in wall complete all as specified .

Taking down of aluminium / glass doors carefully and refixing in same opening including necessary repairing / cleaning / greasing / handle / floor spring etc and make the same fully functional all as specified .

S & F in repairs grating doom in 100 mm dia PTMT ( minimum wt 25 Gms ) complete all as specified.

S & F in repairs vitreous china urinal , half stall type , white ( excluding flushing cistern , flush pipe and waste pipe ) complete all as specified.

Demolition of stone slabs laid bedded and pointed in any mortar and tiles of any description or thickness in floors , aprons etc complete all as specified .

M & L for 20 mm thick granite ( of any type ) work ( table rubbed and polished ) in steps, jambs pillars , window - cills , coking platforms and like in cement mortar ( 1 : 6 ) including pointing in white cement ( 1 : 2 ) using marble dust with admixture of pigment to match with shade of granite including rounding to edge of stone slab one edge, such as steps, cooking platform and other simillar work completye all as specified.

S & F in repair rotational moulded polyethylene water storage tanks 1000 litres capacity ( cylindrical vertical with closed top ) hoisted and fixed in positions all as specified in SSR Part - l including dismantling water tanks and removing to store .

S & F in repair rotational moulded polyethylene water storage tanks 500 litres capacity ( cylindrical vertical with closed top ) hoisted and fixed in positions all as specified in SSR Part - 1 including dismantling water tanks and removing to store .

S & F in repairs 20 mm size ball brass valves , high pressure , with polythene float and flynut complete , screwed for iron pipe or brass ferrule and fixed.

S & F in repairs 20 mm size gun - metel , globe or gate valves , with iron wheel head, screwed both ends for iron pipe and fixed.

S & F in repairs Waste pipe any dia ( 32/40 mm ) 1.5 mtr long complete all as pecified.

S & F in repairs brass chromium plated overhead shower rose with arm 125 mm size with long body with swivel joint including fixing to steel pipe or union complete all as specified .

S & F in repairs low density polyethelene ( LDPE ) pipe pressure rating 6 kg / Sqcm , 50 mm bore , for layng in floors , walls , complete all as specified.

S & F in repairs 20 mm dia aluminium drapery rod with natural wooden finish and wooden ornamenta ; l attachment brackets two Nos at both ends and matching curtains rings min 8 nos in one mtrs , complete all as specified .

Repairs to bath room / toilet / kitchen floor traps by replacing the demaged floor traps and connected waste pipe with with new floor traps and waste pipes . The joints of traps and waste pipes shall be done properly / leak proof and refixing the same floor / wall etc and the surfaces finished even to match with the existing surfaces including demolition of cement concrete if required and making good to surafce using PCC 1 : 2 : 4 type B - 1 ( using 20 mm graded stone aggregate ) or CM 1 : 4 and tiling as required complete all as specified. Note : - Quantity of floor / wall tiles shall be measured and paid separately under the relevant items.

Taking down chowkat with shutters of any decsription without taking off shutters from frame area exc 1,50 Sqm but not exc 4.00 sqm

Ditto as in item No. 78 but area not exc 1.50 sqm each

Taking down shutter of any description n . exc 1.00 Sqm each complete all as specified .

Taking down shutter of any description exc 1.00 Sqm and n.exc 2.0 Sqm each complete all as specified .

Refixing door shutter exc 1.00 Sqm and n exc 2.00 Sqm each complete all as specified .

S & F for second class hard wood plain , solid straight chowkats and frames , wrought , framed rebated on the solid , rounded or chamfered , put together with glue pinned at joints complete as making good to wall all as specified .

S & F for 35mm thick factory made , Ilnd class hard wood , plain framed , paneled shutter ( two panel ) with lock rail and panel of 9 mm BWP commercial ply or 12 mm veneered particle board with commercial veneering on both faces . The size of rail and stile as per IS 1003 ( Part - I ) , kiln seasoned and chemically pressure treated complete all as specified.

S & F 35mm thick Ind class hard wood glazed and skeleton shutters , open rebated and prepared to receive glass , gauze etc divided in square with plain , chamfered or rounded mitred and rebated sash bars any number , edges of framing plain , chamfered or rounded , fitted with cut and mitered beads for securing glass etc , complete all as specified in SSR Part I section 8 , clause 8.24 ( a ) fitted to chowkat complete all as specified.

S & F steel window with side hung shutters including projecting type hinges with steel handle , and steel peg stay , complete with glazing bars , dovetailed or welded and necessary arrangements to fixed with wdn scantling / supports etc.

S & F steel window with side hung shutters including projecting type hinges with steel handle , and steel peg stay , complete without glazing bars , dovetailed or welded and necessary arrangements to fixed with wdn scantling / supports etc.

S & F steel ventilators with top hung shutters including hinges steel peg stay , complete without glazing bars , dovetailed or welded including guard bars / grills .

S & F framed work such as grills , gratings etc. with ends of bars shouldered and or rebated or forged into spikes , framed guard bars etc confirming to Fe - 290 - Gde - E - 165 complete all as specified .

M & L Flush shutter solid core construction , with black board core 30 mm thick and plywood face panels commercial type on both side .

S & F solid PVC door frame of size 50 mm x 47 mm made out of 5 mm plain colour PVC sheet reinforced with MS Square tube in opeing , complete all as specified.

S & F factory made solid panel PVC door shutter 30mm thick ( style ) consisting of frame made out of MS tubes for top & bottom rails MS frame shall be covered with heat moulded plain colour PVC ' C ' channel having a PVC sheet strip of 20 mm width stuck in side with solvent cement for styles and plain colour PVC sheet for top rail , lock rail & bottom rail on either sides and as gap insert for top rail & bottom rail , Panelling of plain colour PVC sheet to be fitted in the MS frame welded / sealed to the styles & rails with suitable PVC sheet beading , and joint together with solvent cement , complete all as specified.

S & F galvanised mild steel wire cloth , 0.63 mm nominal dia of wire and average width of aperature 1.40 mm and fixed with tinned tacks , or galvanised wire staples stainless steel wire staples .

-ditto- as item no. 93 but fixed in repairs .

S & F 3 mm thick sheet glass ordinary quality in square n.exc 0.5 Sqm in each pane complete all as specified and directed.

-dito- as per item No 95 above but fixed in repairs 3 mm thick .

S & F for 150 mm long anodised aluminium barrel tower bolt of extruded section complete all as specified.

S & F 150 mm long anodised aluminium handles , cast type complete all as specified.

S & F 100 mm butt hinges medium weight cold rolled mild stel and fixed.

S & F 300mm long aluminium anodised sliding door bolt with hasp staple ( bolt type ) and fixing clips of sheet cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast aluminium alloy and fixed.

S & F MS 300 mm , ordinary rat rail tail , rod pattern springs , including roller and roller plate ( Helical door spring ) complete all as specified.

S & F power coated aluminium grill with mesh 75 mm and aluminium bar 6 mm XPM type including all accessories such as channels for fixing grill screws etc aluminium section 15 micron thick anodizing alongwith stainless steel wire cloth , complete all as specified.

S & F powder coated anodized aluminium frame for doors , windows , partitions , ventilators with one or more rebates , including joining cleaty for fixing complete all as specified.

S & F powder coated aluminium anodized skeleton door shutter of size 100x44x2 mm thick , vertical styles of shutters made with sections 84x44x2 mm thick , and top / middle / bottom rail of shutter with 112x44x2 mm thick , with steel thickness 2.00 mm including necessary jointing cleats glazing clips , rubberpacking aluminiumsnap with 4.50 mm thickness ACP ( aluminium composite panels ) to Aluminium substructure at any height in any color ( as approved by Engr - in -charge ) Non Toxic PE core 3 mm and back coil 0.5 mm with minimum 30 +/- mirror PVDF coating on top coil polyester lepoxy coating on back coil ( 7 +/- micron ) fixed on aluminium substructure as specigied by manufacture and 5.5 mm thick frosted glasswith including engraving any letter / logo / figure etc if ordered by engineer in charge complete all as specified.

S & F in repairs sheet glass , 5.5 mm thick tinted quality and glazing with oil putty fixed with rubber strip and fixed to aluminium frames complete all as specified.

S & F in repairs ACP ( Aluminium composite panel ) 4.5 mm thickness to Aluminium skeleton doors and partitons , non Toxic PE core - 3 mm and back coir 0.5 mm ) with minimum 30 - / - 5 mirror PVDF Coating on top coil polyester / epoxy coating on back coil ( 7 +/- micron ) fixed inclusive of necessary frame work / filleting to hold the ACP panels and joint sealed complete all as specified .

S & F in repairs double action floor spring hydraulically regulated made up of minimum 1.25 mm thick aluminium alloy sheet foundation box , main body with stainless steel cover governing pivot made of brass , other parts made of mild steel heavy duty and fixed complete all as specified.

S & F Mortise lock vertical type , size 100 mm aluminium 4 levers compolete all as specified.

S & F in repair aluminium extruded section door closer hydraulically regulated desgnation no- 3 , universal type , suitable for doors shutters of 851 to 1000 mm in width and of weight b / w 61 to 80 kg fixed complete all as specified.

S & F in repairs 250 mm dia half round UPVC gutters with all fitting connecting brackets to fix in position for collecting water including angles, drop ends, stop ends with vertical pipes PVC (SWR) 110mm bore fixed vertically at required places to drop the collected rain water to ground complete all as specified.

M & L for 75 mm thick PCC ( 1 : 4 : 8 ) type D - 2 using 40 mm graded coarse aggregate in sub base under flooring completye all as specified.

M & L for machine pressed coloured glossy finish precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness , M - 35 grade with grey cement and pigment over 30 mm thick cushioning complete all as specified.

M/s Sashi Enterprise (BID ID -3137376)

D.D Construction (BID ID -3135986)

kabitaconstruction (BID ID -3138335)

M/S MAHATO ENTERPRISE (BID ID -3137053)

M/S P.K.B.CONSTRUCTION (BID ID -3138163)

M/s Pramillabh Construction (BID ID -3137406)

M/s KL Agarwalla & Co (BID ID -3137075)