REPAIR AND MAINTENANCE OF PLASTER, ROOF, CHAJJA, ROOF OF JCO ORs MD ACCN UNDER AGE BR-I OF GE WEST MATHURA

Amount

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

Demolition of brick work or stone/boulders masonary, built in cement mortor including all quoins, arches pillars, etc but excluding ashlar facing dressed stone work and precast concrete articles complete all as specified and directed.

Dismantling brick/concrete tiles any size etc including existing roof treatment of any thickness complete all as specified and directed.

Demolition mud in roofs, any thickness, including plastering and leeping (whether full thickness removed or only a part thereof) including removing the demolished material to a distance exc 250m but n. exc 500m and deposited where directed at a level n.exe 1.5m above starting point complete all as specified and directed.

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

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

Taking down chowkhats with shutter (without taking off shutters from the frame) area not exc. 1.50 Sqm each complete all as specified and directed.

Taking down chowkhats with shutter (without taking off shutters from the frame) area exc. 1.50 Sqm but n.exc 4.00 sqm each complete all as specified and directed.

Taking down shutters of any description exc 1 Sqm and not exc. 2 Sqm each complete all as specified and as directed by Engineer-in-charge.

Taking up or down 15mm dia, steel tubing & connections including cleaning for refixing or removal to store complete all as specified and directed by Engineer-in-Charge.

Taking up or down 20mm dia, steel tubing & connections including cleaning for refixing or removal to store complete all as specified and directed by Engineer-in-Charge.

Fixing only 15mm bore old galvanised steel water tubing including cleaning with & including new fittings and fixed complete to walls and ceilings or laid in floors in new or old position complete all as specified and directed by Engineer-in-charge. Note: GI tubing retrieved vide item No 10.00 shall be used under this item.

Fixing only 20mm bore old galvanised steel water tubing including cleaning with & including new fittings and fixed complete to walls and ceilings or laid in floors in new or old position complete all as specified and directed by Engineer-in-charge. Note: GI tubing retrieved vide item No 11.00 shall be used under this item.

S&F 15mm bore galvanized steel water tubing medium grade with & including all fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

S&F 20mm bore galvanized steel water tubing medium grade with & including all fittings and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Demolition of cement concrete (reinforced) in ground floor/road (below or above ground level) complete all as secified and directed.

S&F Pressed steel frame for doors of size 105 x 60 mm with one or more rebates including necessary fixing lugs, hinges, lock strike plate etc complete all as specified and directed.

S&F Pressed steel frame for doors of size 125 x 60 mm with one or more rebates including necessary fixing lugs, hinges, lock strike plate etc complete all as specified and directed.

M&L for cement concrete type C-1, (1:3:6) using 20mm graded aggregate as in bed block or filling of chowkhats including necessary form work complete all as specified and directed.

S&F 35mm thick factory made glazed and skeleton shutters made of second class hard wood (Bonsum/Hollock), open rebated and prepared to receive glass, gauze etc (without sash bars) edges of framing plain, chamfered or rounded, fitted with cut and mitred beads for securing glass etc., sizes of members of shutters as specified in SSR Part I Section 8 Clause 8.24 (a) kiln seasoned and chemically pressure treated fixed to chowkat complete all as specified and directed by Engineer-in-charge.

S&F 35 mm thick factory made plain framed, panelled shutter (any number of panels) with lock rail and panel of 9mm thick BWP commercial ply or 12 mm thick veneered particle board with commercial veneering on both faces. The size of rail and styles as per IS : 1003 (Part-I), kiln seasoned and chemically pressure treated using second class Hard Wood (Hollock or Bonsum) complete all as specified and directed by Engineer-in-charge.

S&F Factory made box type steel windows with hung shutters both glazed and guaged shutter frame 60x25 mm ERW hollow 'P' section with wall thickness not less than 1mm fixed to pressed steel frame 120mm x 70 mm x 1.6mm thick including fixing glazed portion, iron grills 8mm square MS bar hunges with steel handle and fitting, lugs etc, including one shop coat of primer complete all as specified and directed.

M&L for Brick work with sub class ‘B’ old size burnt bricks, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 23.00 here-in-before but except brick. Note : Old serviceable brick retrieved from serial item No 2.00 of BOQ here-in-before shall be used under this item.

M&L for 50mm thick red sand stone slabs in sun-shades, chajjas, shelves, cills, landings, cover stones, templates, etc. n exc. 2m in length, punched dressed on face and along exposed edges, self faced on other side and set and pointed in lime mortar 1:2 or cement mortar 1:4. complete all as specified and as directed.

M&L for cutting grooves in brick wall, 75mm wide and 65mm deep for fixing joist, angle, channel section and sand stone slab in chajjas upto G+2 floor and finishing face of groove with cement mortar 1:3 complete all as specified and as directed.

M&L for rendering dubbing coat over irregular surfaces of chajjas roof projections / ceiling / facia etc average 15mm thick in CM (1:4) over cement slurry coat @ 3Kg/Sqm making the surface even followed by 5mm thick rendering in CM (1:3) furnished even & smooth including making of drip course as required complete including roughening surface of old concrete by picking sweeping clean and washing with water complete all as specified and directed. Note : Rate for form work if required to be included in the quoted rate by the contrator.

M&L for PCC (1:2:4) type B-0 using 12.5 mm graded stone aggregate as in padding over roof finished and laid to required slope complete all as specified and as directed.

S&F precast hydraulically pressed PCC tiles of size 25cm x 25cm x 20mm thick laid over and including screed bed 15mm thick in CM (1:4) set and jointed in neat cement slurry and pointed in CM (1:3) mixed with WPC of approved make in screed bed and pointing on roof complete height upto G+2 story bldg all as specified and directed.

M&L for water proofing treatment with APP modified bituminous membrane 3mm thick consisting of the following for RCC roof :- (a) Cleaning palstered roof surfaces and applying a coat of oxidised bitumen based solvented primer a@ 0.3Kg /Sqm of approved make on top of dry surface of RCC roof complete all as specified and directed. (b) M&L for APP modified polymeric water proofing membrance 3mm thick weight not less than 3.0 Kg/Sqm with non woven polyster core of approved make applied by heating one surface of membrane with LPG torch with lap of 100mm and the overlap shall be sealed by flame complete all as specified and directed.

M&L for cement concrete (1:2:4) type B2 using 20mm graded stone aggregate as in lintels upto 1.5m clear span, cills, steps, seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railigs upto 60cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, sligtly rounded or chamfered angles and throating, as directed including necessary form work complete all as specified and directed.

M&L for in repair to aluminium door/window of any size/any description, taking off from present position and refixing in the same position after tightening, easing/change the section as required, including fitting the rubber packing aluminium snap beading resetting floor/hydraulic door closer/spring etc complete all as specified and directed.

S&F powder coated (minimum thickness of powder coating 50 micron) Anodised aluminium frame for doors, windows, ventilators with one or more rebates including joining cleat for fixing etc. complete all as specified and directed.

S&F powder coated Anodised aluminium window and ventilator shutters side hung type without sash, aluminium sections weighing 0.55 kg/ m including necessary joining cleats, glazing clips rubber packing, anodised aluminium snap beading screws Anodise aluminium fitting such as peg stays 150 mm long (1 No ), including pag stay and hinges type B-21 100 mm long (2 No) and suitable handle (1 No) complete all as specified and directed.

M&L for aluminium grill mesh made out of 6mm dia having girth not exc 25mm both ways fixed with aluminium cleat to window frame complete all as specified and directed by Engineer-in-Charge.

S&F 3 mm thick sheet glass, ordinary quality and glazing with oil putty in squares not exceeding 0.50 sq.m. in each pane complete all as specified and directed.

S&F Sheet glass 4 mm thick in glazing to aluminium door, window & partition including pad, gasket complete all as specified and directed.

S&F floor door stopper of aluminium alloy body and tongue, anodised, with hard drawn steel spring overall length of cover plate 140mm (ISI marked) complete all as specified and directed by Engineer-in-Charge.

S&F stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and fixed with tinned tacks or stainless steel wire staples complete all as specified and directed by Engineer-in-Charge.

S&F 200 mm long aluminium anodized barrel tower bolts of extruded section (ISI marked) complete all as specified and directed by Engineer-in-charge.

S&F Aluminium sliding bolt of any description and type of size 300mm long complete all as specified and directed by Eng-in-charge.

S&F 150mm size Aluminium handles, cast type, anodised complete all as specified and directed.

S&F 300mm mild steel (Helical door spring) ordinary rat tail rod pattrern spring including roller and roller plate complete with necessary welding work complete all as specified and directed.

M&L for Non skid coloured ceramic tiles 7 to 8 mm thick exceeding 0.11 sqm but not exceeding 0.18 sqm (Square/rectangular) in floors etc set and jointed in neat cement slurry and pointed in coloured cement to match laid over and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and as directed.

M&L glazed ceramic tile in vertical surface 450x300x7 mm thick etc set and jointed in neat cement slurry and pointed in white or colored cement on vertical surface over 10mm thick plaster in CM (1:3) complete all as specified and directed.

M&L for non skid ceramic coloured tiles 7 to 8mm thick (square / rectangular) area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm as in floors, set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles over & including 15mm thick screed bed in cement & sand mortar (1:4) complete all as specified and directed by Engineer-in-charge.

All as per item No 46.00 (here-in-before) abvoe but as in skirting over 10mm thick backing coat in CM (1:3) complete all as specified and directed.

Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) for rough finished of flat surface complete all as specified and directed.

M&L for reinforced cement concrete (nominal mix) (1:2:4) type B1, using 20mm graded stone aggregate for slab supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and other similar works complete all as specified and directed and directed.

M&L for TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M&L for 18-20mm thick Granite (of any type) work (table rubbed and polished) for Shelves (veneering to wall) including 15mm thick plaster in cement mortar (1:3) and pointing with white cement (1:2) using marble dust with admixture of pigment to match with shade of granite complete all as specified and as directed.

M&L for rendering 10mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:6) finished even and smooth without using extra cement complete all as specified and directed.

Labour only for disconnecting existing water tank, setting asides for repair after removing all scale and dirf etc from tanks and mouth and reconnecting and re-fixing in position of capacity exceeding 500 ltr and n.exc. 1000 ltrs in all necessary GI fittings for re-fixings as socket/tank nipple etc (including writing with white paint date of cleaning) complete all as specified and directed by Eng-in-charge.

M&L for rendering 15 mm thick in CM 1:4 including water proofing compound on fair face of brick or concrete surface,finished even and smooth without using extra cement complete for heigh upto G+2 story building complete all as specified and directed.

M&L for rendering 5mm thick in CM (1:4) as on ceiling complete all as specified and directed.

Supply only Liquid water proofing compound of approved complete all as specified and directed.

M&L for applying rust remover @ 5-6 Sqm/ ltr, after cleaning to remove loose rust/scales/corrosion from reinforcement bars having specific Gravity 1.2-1.22. The material to be applied to the rusted metal using brush, allow it to react for 16-24 hrs & afterwards wire brushing the surface, clean with dry cloth before application of protective coating etc complete all as specified and directedby Engineer-in-Charge.

M&L for fixing welded MS wire mesh weighing not less than 1 Kg/Sqm in soffit of slab and applying using mucis protezion ferro mono primer and anticorrosive primer uncovered steel and concrete surface chemical (Single component, cementitious corrosion inhibiting primer) on uncovered steel reinforcement and wire mesh having mixed density of 2.01-02.05, adhesive on bond strength- 1 N/mm touch drying time of 10-15 minutes and applying 20 mm thick cement mortar (1:4) with using integral water proofing liquid admixture for concrete mortar and integral water proofing compound for cement based concrete and mortar chemical 100/L 1.1-1.2 gm/cc, Cont/-

Cont/- chloride content nil as per IS 2645-2003 & using acrylic polymer base bonding agent and acrylic emulsion modifier and water based concrete bonding agent chemical STD having specific gravity of 1.02) in ratio as per recommendation of manufacture total chemical not less than 8 % by weight and providing single component polymer modifier using single component thixopropic fibre reinforced polymer modified repair mortar (1:1:4) to achieve compressive strength of 15 N/mm in 1 Day, 25 N/mm in 3 days, adhesion bond strength of > 2 N/mm complete all as specified and directed by Engineer-in-Charge.

Cont/- Unrestrained expansion upto 4% pressure to restrain plastic Expansion -Approx. 0.004 N/Sqmm , before pouring it is recommended to apply granolithic E-Resin based solvent free concrete bonding agent/EP in accurate proportion with complete homogenesity.Cementitious micro concrete having mix density of 1.45 to 1.5 Kg/litre, Compressive strength(BS 6319 Part-2)-40 Mpa at 7 days, Flextural strength (BS 6319 Part-3)-25 Mpa at 7 days, Tensile strength (BS 6319 Part-7)-15Mpa at 7 days, Bond strength(ASTM C 881)-11 N/sqmm at 7 days, having an over lay time of 03 hrs at 30 C. pouring of using suitable arrangement as required using pumping device for uniform flow of ensuring proper bond between the metallic aggregates (Mixed density @27OC) Approx. 0.004N/mm2. 10 - 12 x 10-6 / OC.1.5 W/mOC2200 - 2300 K and existing concrete substrate etc. complete including all tools and tackles complete as all specified and directed.

M&L for applying a coat of two component elastomeric acrylic polymer modified cementitious water proofing coating, having properties of 80 % elongation as per ASTM D412, resisting 5 bars hyrostatic pressure as per DIN 1048, reduction to rapid chloride shall be 70 as per DIN 1048, crack bridging upto 1.2mm as per ASTM 4548.5. The mixing ratio of the coating shall be 2 parts of powder & 1 part of liquid without any water addition in the mixing, etc., complete as per manufacturers specifications and sprinkle sand at 10-15 gram per sqft for better grip with plaster complete all as specified and directed.

M&L preparation new or previously untreated steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over and including one coat of red oxide zinc chrome primer complete all as specified and directed by Engineer-in-Charge.

M&L for preparation of new wooden or wood based surfaces of any description not otherwise described over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified and directed by Engineer-in-Charge.

M&L for preparation of old steel surfaces of any description or girth over 10 cm width or girth and applying one coat of synthetic enamel paint, complete all as specified and directed.

M&L for preparation of old painted wooden or wood based surfaces of any description not otherwise described over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed by Engineer-in-Charge.

M&L for preparation of new plastered surface of wall and applying two coats of oil bound distemper over a coat of primer complete all as specified and directed.

M&L for preparartion of new plastered surfaces of walls and applying two coats cement base paint on walls complete all as specified and directed.

M&L for preparation of new plastered surfaces of ceiling and applying three coats of white wash complete all as specified and directed.

M&L for preparation of old distempered surfaces of walls by washing, rubbing down and stopping of distempered and painted surfaces and treating oil and greasy spots and applying one coat of oil bound distemper oil emulsion white or tinted complete all as specified and directed.

M&L for preparation of old decorated, plastered or pointed surfaces of ceiling by brooming down or steel wire brushing,scrapping down smoke soot moulds, moss and efflorescent, salts and treating oil & greasy spots etc and applying one coat of white wash complete all as specified & directed by Engineer-in-Charge.

M&L for preparation of old plaster surfaces of walls and applying one coat of cement based paint on walls for height upto G+2 story bldg complete all as specified and directed.

M&L for complete removal of existing treatment and preparartion of old surfaces of walls and applying two coats of cement based paint on walls etc complete all as specified and as directed.

M&L for complete removal and preparation of old painted surfaces of wall and applying two coat of exterior emulsion paint for height upto G+2 story bldg complete all as specified and directed.

S&F in repairs curtain rod, stainless steel of 25mm dia with fixing brackets stop rollers etc fix complete all as specified and directed.

RANA CONSTRUCTION (BID ID -3105084)

Deepak Saxena (BID ID -3103282)

Ahmed constructions (BID ID -3111532)

ARCHI ENGINEERS (BID ID -3117961)

VANI CONSTRUCTION (BID ID -3102161)

VASUNDHARA AND COMPANY (BID ID -3105099)

CHOPRA ENTERPRISES (BID ID -3100136)

MAHTAB ALAM (BID ID -3102235)