REPAIRS TO LEAKAGE, SEEPAGE, WATER PROOFING TREATMENT, ROOF SHEETING OF CERTAIN BLDG OF MD/OTM/TECHNICAL AREA OF CG UNDER GE HADDO, SRI VIJAYA PURAM

Amount

Demolition of Precast cement concrete block walling built in CM or Cement lime Mortar complete all as specified and as directed.

M&L precast cement concrete block masonry exc. 10 cm width with solid block C1 (1:3:6) (using 20 mm graded stone aggregate) and setting in cement mortar (1:6) complete all as specified and as directed.

Providing precast cement concrete solid building blocks or slabs Type B1 1:3:6 (20 mm graded aggregate) 10cm thick (with plain or interlocking joints as directed) setting in mortar, complete, in walls complete all as specified and as directed.

Dismantling floor, hearth or wall tiling including CM bedding, removing rubbish off the premises complete all as specified and as directed.

Dismantling stone slabs and tiles of any description or thickness in floors, aprons, riser of steps, skirting, dado etc laid in any mortar complete all as specified.

M&L for vitrified tiles light shade 10mm thick (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm as in floors etc. set and jointed in neat cement slurry and pointed in white/ coloured cement, laid over and including cement screed bed 15mm thick in cement mortar 1:4, complete all as specified.

Ditto all as per item No 06 above but as in skirting / dados etc. including backing coat 10mm thick in cement mortar 1:3, complete all as specified.

M&L for non skid ceramic coloured tiles 7 to 8 mm thick (Square / rectangular) area of each tiles exc 0.06 Sqm but n. exc 0.11 Sqm in floors etc set and jointed in neat cement slurry and pointed in coloured cement to match including 15mm thick screed bed of CM (1:4) bedding complete all as specified

M&L for glazed ceramic designed coloured tiles as in vertical surfaces of size 300x450x7 mm thick set and jointed in neat cement slurry and pointed in coloured cement to match designed incl 10 mm thick backing coat in CM (1:3) complete all as specified.

M&L 16 to 18mm thick granite stone (of any type ) work (table rubbed and polished) in floors, staircase tread & risers of steps, cooking platform, window cill/jambs etc laid bedded over 15mm thick CM (1:4) bedding & pointed in white/coloured cement to match coloured tiles including Rounding, grinding and mirror polishing complete. (Note : Colour of granite shall be as approved by Engr-In-Charge)

Dismantling of ceiling boarding including grid of any description fixed in any position with nails

S&F for anodoised aluminium snap grid frame work for ceiling 605mm x 605mm using aluminium anodised sections aluminium sections main tee 36.5X25X1.4mm, cross 23.5X26.4X1.4mm, angle 25X25x1.4mm including cutting, drilling jointing etc complete including 4mm dia of GI hangers wire suspenders fixed with adjustable connectors and providing 6mm thick E-boards (Classic) 605mm x 605mm size Specified by Engr-in-charge and making good etc complete all as specified and as directed.

M & L for seamless false ceiling made out of 12mm thick of gypsum board fixed to the ceiling section with 25mm long self drilling and tapping screws having Philips head with under head cutter at 200mm centre to centre, including finishing the joints of face board with specially formulated joining compound and 48 mm wide fibre tape to provide seam less finish and including GI channel 0.55 mm thick with two unequal flanges of 20 to 30mm and web of 27 mm fixed to surrounding wall using nylon sleeve and screws at 450mm centre to centre/intermediate channel 0.9mm thick having two equal flanges of 215 mm each and web of 45 mm suspended from soffits at approx. 900 mm centre to centre with GI cleat and steel expansion fasteners with and including ceiling section (not exc 1.20mtr length) of 0.55 mm thick having kurled web of 50 mm and flanges of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre including 6mm thick GI hangers adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flats 40x3 mm size long and expansion hold fasteners 12.5mm dia 40mm long including thin layer of Pop with Gypsum binder, sanding the surfaces till smooth surface is obtained and finally applying two coats of acrylic emulsion over one coat primer over 3mm thick putty all as specified and as directed

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fitting and accessories) etc complete all as specified and as directed.

S&F for 110mm dia PVC (SWR) grade single socketed pipes in any length complete with rubber ring joints fixed to wall etc using synthetic rubber adhesive cement solvent complete all as specified.

S&F for 110mm dia PVC (SWR) bends any radius complete all as specified.

S&F for 110mm dia PVC (SWR) bends with acess door any radius complete all as specified.

S&F for 110mm dia PVC (SWR) branch piece single (Single T ) equal or unequal complete all as specified.

S&F for 110mm dia PVC (SWR) vent cowl complete all as specified.

S&F for 75mm dia PVC (SWR) grade single socketed pipes in any length complete with rubber ring joints fixed to wall etc using synthetic rubber adhesive cement solvent complete all as specified.

S&F for 75 mm dia PVC (SWR) grade bends of any radius complete all as specified and as directed.

S&F for 75 mm dia PVC (SWR) grade bends with acess door of any radius complete all as specified and as directed.

S&F PVC (SWR) branch piece, single (SingleT ) of radius equal or unequal, 75mm dia complete all as specified and as directed.

S&F PVC (SWR) branch piece, single (Single Y) of radius equal or unequal, 75mm dia complete all as specified and as directed.

S&F PVC (SWR) vent cowl, 75mm dia complete all as specified and as directed.

M&L PVC (SWR) multi floor trap 75mm with grating including jointing with solvent cement complete all as specified and as directed.

S&F in repairs vitreous china ware wash hand basin white flat back of size 550x 400 mm with pedestal including brackets, 32 mm CP waste coupling, chain and plug, waste fittings, and all necessary inlet, out let connections complete all as specified and as directed.

S&F in repairs 15 mm bore pillar taps, cast copper alloy, chromium plated fancy type screwed down high pressure with or without lettered 'Hot' or 'Cold' with long screwed shanks and fly nuts screwed for iron pipe and fixed etc complete all as specified and directed.

S&F in repairs for CP Bib taps 15mm dia long body with flange cast copper alloy fancy type with crutch or capstan head handle screwed down for Iron pipe and fixed etc complete all as specified and directed.

S&F in repairs CP two way bib taps 15mm cast copper alloy fancy type with crutch or capstan head handle screwed down for Iron pipe and fixed etc complete all as specified and directed. (Make : Prayag Cart Part No PIS-12 H or Equivalent in Jaquar / Leader / Zoloto)

S&F in repairs Hand shower (health faucet) with 8mm dia & 1.0mtr long flexible tube with wall hook. (Make Prayag Cat Part No. BEA-41 or Equivalent in Jaquar / Leader / Zoloto)

S&F in repairs CP Angular stop cock fancy type with crutch or capstan head handle screwed down for Iron pipe and fixed etc complete all as specified and directed. (Make :Prayag Cat No. PIS-10 H or Equivalent in Jaquar / Leader / Zoloto)

S&F in repairs of Vitreous China wash down water closet pan (Pedestal pattern), white including connection to drain and to flushing pipe, and plastic water closet seat, white closed pattern with flat bottom, and cover and mild steel chromium plated or aluminium hinging device etc complete all as specified and as directed.

S&F in repairs of Vitreous china squattig pan, Orissa pattern of size 580 x 440mm,white with integral foot rest including connection to trap and to flushing pipe, anti-syphonage pipe, and with P or S trap, including making good to floor complete all as specified and directed by Engr -in- charge.

S & F in repairs Brass chromium plated towel rail, 20mm dia D-type, 60cm long between flanges etc complete all as specified.

S&F in repairs PVC connection 15 mm dia and 600 mm long with both and nuts etc complete all as specified.

S&F in repair PVC valveless syphonic action type flushing cistern 10 ltr capacity white with intel ball valve float flush pipe and handled including brackets complete all as specified and as directed.

Taking up or down 20mm dia steel tubing connection, including cleaning for refixing or removal to store complete all as specified and as directed.

Taking up or down 25mm dia steel tubing connection, including cleaning for refixing or removal to store complete all as specified and as directed.

S& F for 20mm bore unplasticised PVC pipe of pressure ratings 10kgf/Sqcm including all fittings fixed complete to walls, ceiling or in floor etc complete all as specified and as directed.

S& F for 25mm bore unplasticised PVC pipe of pressure ratings 10kgf/Sqcn including all fittings fixed complete to walls, ceiling or in floor etc complete all as specified and as directed.

S&F in repairs for providing 25mm dia Gun Metal, globe or gate valves with iron wheel head, screwed both ends for iron pipes complete all as specified and as directed.

Cutting chases in PCC block walls for concealed water tubing etc., and making good, cutting not exc 10 cm girth complete all as specified and as directed by engineer- in- charge.

S&F rotational moulded Polyethylene [HDPE] Water Tanks, Triple Layered, ISI Marked Cylindrical & Vertical Type 1000 Litres Capacity hoisted and fixed in position including provision of 40mm/25mm dia spouts for connecting inlet, outlet, over flow and washout pipes including taking down old tanks of any descriptions & S&F 25mm dia Ball valves high pressure of PTMT with epoxy coated aluminium rod & highdensity plastic ball screwed for iron pipe etc complete all as specified and as directed.

S&F rotational moulded Polyethylene [HDPE] Water Tanks, Triple Layered, ISI Marked Cylindrical & Vertical Type 2000 Litres Capacity hoisted and fixed in position including provision of 40mm/25mm dia spouts for connecting inlet, outlet, over flow and washout pipes including taking down old tanks of any descriptions & S&F 25mm dia Ball valves high pressure of PTMT with epoxy coated aluminium rod & highdensity plastic ball screwed for iron pipe etc complete all as specified and as directed.

S&F in repairs Ball valves high pressure of PTMT with epoxy coated aluminium rod & highdensity plastic ball screwed for iron pipe bore dia of 25mm (Minimum weight 455 gms) complete all as specified and as directed by Engineer- in - charge.

Disconnecting existing tanks,exc 500 litre and n.exc 1000 litre setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position including Cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes etc complete all as specified and as directed.

S&F in repairs 25 mm bore UPVC gate valve screwed both ends for upvc pipe as in repairs complete all as specified and as directed.

Demolition of cement concrete of any description and in sunken floor /roof padding etc not otherwise specifically provided complete all as specified and as directed.

M&L for PCC (1:2:4) type B-0, using 12.5 mm graded stone aggregate as in roof padding / sunken floors and similar work using WPC @ 3% by wt of cement complete all as specified. (Note : WPC shall be measured and paid separately)

M&L 12 mm thick Plaster on RCC roof slab and sunken portion with CM ( 1:3 ) including water proofing compound @ 3% by weight of cement shall be carried out as specified. (Note : WPC shall be measured and paid separately)

M&L for preparing plastered surfaces and applying primer @ 0.30/Kg per sqm and applying tack coat of bitumen 85/25 @ 1.2 kg/Sqm laying 3.0mm thick polyster reinforced APP modified water proofing membrane weighing not less than 3.5kg/sqm one coat of bitumen based paint @1.20 ltr/sqm over APP membrane including removal of existing water proofing treamant on roof, sunken slabs, edges and vertical surfaces complete all as specified

M&L for applying a coat of reflective bituminous aluminium paint @ 0.15 Kg / sqm over Bitumen surface complete all as specified and as directed.

Supply only water proofing compound.

Dismantling plain or corrugated steel sheeting any gauge, thickness including similar pattern roof coverings.

S&F for pre painted Galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an coloure having tensile strength of 550Mpa as in roof covering fixed with self tapping screws as specified.

S&F for pre painted Galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick of an coloure having tensile strength of 550Mpa as in roof covering, ridge, eves gutters etc fixed with self tapping screws as specified.

Dismantling structural steel work complete all as specified.

M&L for rolled section as in main and cross beam, hip and jack rafter,purline where connected to common rafters and running rails and guides for sliding doors fixed witg angle cleats or other connecting plates of grade Fe-410 (grde E-165) complete all as specified and as directed.

S&F for mild steel holdfast, bands, straps, bracket/ clamp for eves gutter, valley gutter and similar conforming to Fe-290 Gde-E-165 complete all as specified and as directed.

M&L for aluminium wind tie of any size fixed with self tapping screws of size 50/75mm with integral EPDM washer in roof covering and including dismantling of old wind tile complete all as specified and as directed.

M&L for preparation of new steel surfaces over 10 cm in width or girth not otherwise described and applying 2 coats of synthetic enamel paint over one coat of red oxide primer all as directed.

M&L for preparation of old steel surfaces over 10 cm in width or girth not otherwise described and applying one coats of synthetic enamel paint over one coat of red oxide primer all as directed.

Taking down cement plaster on brick /stone masonry / concrete surfaces of wall / ceiling incl raking out joints, hacking for key, scrubbing down with water etc and deposited the debris outside the MD land complete all as specified.

M&L for Rendering 15 mm thick cement plaster in CM 1:4 with WPC on fair faces of brick work or concrete surfaces at any height with neccesary scafoldings, finished even smooth without using extra cement etc complete all as specified and as directed.

M&L for 10mm thick plaster in CM (1:6) on fair faces of concrete/PCC block surfaces of walls finished even and smooth (without using extra cement) all as specified.

Taking down of damaged, loosened cement concrete/cement mortar in RCC walls/soffits of slabs and similar structure members up to depth of 20mm to 40mm cleaning the dismantled portion with wire brush etc remove dust , dirt and other foreign particles etc and washing with water with pressure and applying bonding agent on old concrete surfaces all as per manufacturers instruction, Over prepared surfaces provide 20 mm thick High build polymer modified cement sand mortar ( 1:2.5 ) mixed with 10 liters (minimum) Nitobond SBR per 50 kilogram of cement of M/s FOSROC chemical ( India ) Pvt Ltd or Equivalent product of manufacturer all as manufacturers instruction including necessary scaffolding up to 12 m complete all as specified and directed.

M&L for preparation of newly plastered wall surfaces with 3mm average thick wall care putty and applying two coat of oil bound distemper over one coat of primer including leveling the surface which undulation found with cement putty etc complete all as specified and directed.

M&L for preparation on newly plastered external wall surface and applying two coat of weather proof (exterior grade) acrylic emulsion paint with anti fungal property over a coat of primer of the same manufacturer as that of paint complete all as specified and as directed. (Make: Dulux Weather Shield Max or Apex Ultima from Asian Paints or Berger weather coat All guard).

M&L for preparation of old steel surfaces over 10 cm in width or girth not otherwise described and applying one coats of synthetic enamel paint over one coat of red oxide primer all as directed.

M&L for complete removal of existing treatment on internal wall surfaces and applying two coat of distemper oil emulsion over a coat of alkali resistant priming paint over a coat of 3mm thick wall care putty etc complete all as specified and as directed

M&L for complete removal of existing treatment on external wall surfaces and applying two coat of weather proof (exterior grade) acrylic emulsion paint with anti fungal property over a coat of primer of the same manufacturer as that of paint complete all as specified and as directed. (Make: Dulux Weather Shield Max or Apex Ultima from Asian Paints or Berger weather coat All guard or equivalent).

N H CONSTRUCTION (BID ID -3465030)

M/S AMK CONSTRUCTIONS (BID ID -3464669)

SPR CONSTRUCTION (BID ID -3465055)

CHANDER SEKER ENTERPRISE (BID ID -3464774)

M/S VISHAL CONSTRUCTION (BID ID -3465020)

JD Construction (BID ID -3464507)

V M YOUSUF (BID ID -3464685)