SPECIAL REPAIR TO ROOF TREATMENT AT ICU OFFRS WARD AND OHT NO 01 AT MH UNDER GE MAINT INF SCHOOL MHOW

Dismantling floor, hearth, roof tiles or wall tiling including cement mortor bedding (but) not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

Demolition of cement concrete in ground floor and paving not exceeding 15cm thick ( below or above ground level ) complete including removal of debries out side MD land all complete all as specified and directed .

Taking down existing un-serviceable water proofing treatment from roof slab/Sloped Roof /Vertical surface and cleaning the roof slab by wire brush and removing debris to a distance exc 500 mtr but not exc 1.50 Km etc complete all as specified and directed.

M & L for Brushing with neat cement slurry @ 3 Kg per Sqm area mixed with integral water proofing compound as specified and directed (WPC shall be measured and paid separately under respective item).

M&L for Providing cement concrete 1:2:4 type, B1 using 20 mm graded stone aggregates as in copings, Roof padding/staging kerbs of water tank etc including necessary formwork, weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

M&L for 10 mm thick rendering in CM 1:3 with WPC @ 3% on fair faces of brick work or concrete surface finished even & smooth without using extra cement (Note : WPC to be paid seprately) complete all as specified and directed by Engr-in-Charge.

Supply only Liquid Water proofing compound PIDIPROOF LW+ of Dr FIXIT or equivalent as approved.

M&L APP based polymeric membrane minimum weighing 3.6 kg/sqm and minimum 3mm thick reinforced with polyester non woven fabric (wt not less than 150 gms/sqm) with 15 cm longitudinal & horizontal over lapping and joints finally pasted with thermo- fused withblow lamp laid over a coat bitumen @ 1.20 Kg /Sqm over bituminous primer 0.30 ltr per sqm as per APP manufacturer instructions etc complete all as specified and directed.

M&L for Cement concrete tiles 25cm x 25cm x 20mm thick,m a c h i n e pressed; set jointed with epoxy and pointed in neat cement slurry in floors, and cut and polished in floors etc set and jointed in neat cement slurry and pointed in coloured cement to match with colour of tile over and including 15mm thick screed bed or bedding layer in cement mortar 1:6 complete all as specified and directed.

M&L two coat of aluminium paint over top surface of water proofing membrane etc complete all as specified and directed.

Taking up or down steel/PPR tubing and connections for bore of tube of 25 mm, complete all as specified and directed.

Taking up or down steel/PPR tubing and connections for bore of tube of 50 mm, complete all as specified and directed.

M&L for 25 mm outer dia 3-layer PP-R P o l y p r o p y l e n e random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings incl all fittings,T,elbow fixed complete to walls, ceilings or in floors etc.complete all as specified and as directed.

M&L for 50 mm outer dia 3-layer PP-R P o l y p r o p y l e n e random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings incl all fittings,T,elbow fixed complete to walls, ceilings or in floors etc.complete all as specified and as directed.

M&L for Taking down & Refixing of old 25 mm outer dia 3-layer PP-R P o l y p r o p y l e n e random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings incl all New fittings,T,elbow fixed complete to walls, ceilings or in floors etc.complete all as specified and as directed.

M&L for Taking down & Refixing of old 50 mm outer dia 3-layer PP-R P o l y p r o p y l e n e random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded p o l y p r o p y l e n e random fittings incl all New fittings,T,elbow fixed complete to walls, ceilings or in floors etc.complete all as specified and as directed.

S&F in repair 110mm bore PVC (SWR) pipe single socketed in any length with rubber ring joints laid on wall / floor complete all as specified and directed.

S&F in repair 150mm bore PVC (SWR) pipe single socketed in any length with rubber ring joints laid on wall / floor complete all as specified and directed.

M&L for 1mm thick Aluminium Composite Panels (ACP) any colour for fixing on Roof Perapets and crumple joints with aluminium screw incl with all other necessary accessories for fixing complete all as specified and directed.

Demolition of brickwork built in cement mortar or cement lime mortar including all quoins arches pillars etc complete all as specified and directed.

M&L for brick work with sub class 'B' bricks straight or curved on plan exc. 6.00m mean radius built in cement mortor 1:6., etc complete all as specified and directed.

Taking down Cement Plaster of any description on Brick or Stone walls or Concrete Surfaces including Racking out Joints, hacking for Key, scrubbing down with Water, etc. complete removal of debris outside MD land.

M&L for rendering 15mm thick cement plaster in CM 1:6 on fair faces of brick work or concrete surfaces and surface finished even and smooth without using extra cement complete all as specified and directed.

M&L for rendering 15mm thick cement plaster in CM 1:4 on fair faces of brick or concrete surface with liquid water proofing compound @ 200 ml per bag finished even and fair without using extra cement complete all as specified and directed. (Note:- Liquid water proofing compound to be measured paid separately)

M&L for rendering 5mm thick in ceiling CM 1:3 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.

M&L for applying two coats of first quality oil emulsion distember over a coat of primer over a coat of Acrylic / Water proofing wall Putty on walls complete all as specified and directed. Note:- Putty shall be measured and paid seperately under relevant item.

M&L for preparation of old decorated surface of wall including brooming , scraping down smoke spot, moss, efflorescent salts, trading oil, greasy spots and stopping nails marks and applying two coats of first quality oil emulsion distemper white/coloured over a coat of Acrylic / water proofing wall Putty (where ever required at site in patches) complete all as specified and directed. Note:- Putty shall be measured and paid seperately under relevan item.

Material and labour for new plastered surfaces of wall,pillasters, cornices etc precoat treatment apply two coats of Anti fungal weather coat aacrylic emulsion paint over a one coat of wall care acrylic putty and apply coat of primer (X2) complete all as specified and directed.

Material and labour for complete removal of old decorated plastered surfaces of wall,pillasters, cornices etc by brooming down or steel wire brushing scrapping down and washing with water after completion of precoat treatment apply two coats of Anti fungal weather coat aacrylic emulsion paint over a one coat of wall care acrylic putty and apply coat of primer (X2) complete all as specified and directed.

M&L two coats of white washing on newly plastered / concrete celling sufaces incuding preparation of surfaces complete all as specified and directed.

S&F 0.50mm thick (including coated thickness) pre-colour pre- profiled (Galvalume/zinkalume) sheets of required colour and design having tensile strength of 550 Mpa as in roof sheeting / sunshade/ wall cladding, north light curves, fixed with zinc coated self drilling fastener including EPDM washer complete laid with one corrugation side laps and min 150mm end lap laid to slope all as per manufacturer / profile maker instruction complete all as specified and as directed.

S&F mild steel hollow ,Joist, channel, angle, tee or tubular Section work in tubular trusses, purlins, rafter, tubular column, where connected common rafter and running rails fixed with angle cleat or other connection plates including special shaped washer etc, complete using ERW or induction butt welded tubes conforming IS-4963,1993 and IS-1161-1979 grade ST-240 complete all as specified and directed.

M&L for preparation of newly steel surfaces, of any description, over 10 cm width or girth, and applying two coats of synthetic enamel paint over a coat of red oxide complete all as specified and as directed.

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L form work to soffits of suspended slab such as roof slab/lintel band and similar work n. exc 200mm thick (horizental or sloping) rough finished flat surface complete all as specified and directed

S & F in repair Triple Layer Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top )of 1000ltr capecity hoisted and fixed in position incl PTMT float valve 25mm dia all as specified with dismantling of old unserviceable tank.

Disconnecting existing tank of capacity exc 500 ltr but not exc 1000 ltr, setting aside (or lowering if required) for repairs, cleaning etc and hoisting if required reconnecting and re-fixing in position incl Cleaning and removing all scale and dirt, etc., from tanks and from mouths of circulating pipes, etc.complete all as specified and as directed.

Disconnecting existing tank of capacity exc 2000 ltr but not exc 5000 ltr, setting aside (or lowering if required) for repairs, cleaning etc and hoisting if required reconnecting and re-fixing in position incl Cleaning and removing all scale and dirt, etc., from tanks and from mouths of circulating pipes, etc.complete all as specified and as directed.

Taking down chowkats or frames with shutters (without taking off shutter from frames) not exc. 1.5 sqm each, including cutting holes for removing the hold fast etc (Disturbed surface of wall shall be make good by the contractor. The rate quoted shall be deemed included for the same) complete all as specified and as directed.

S&F powder coated aluminium ventilator cross section conforming to IS 63.5x38.10x1.5mm consisting of two partions upper portion shall have louvers with 3mm thick pin headed glass and aluminium wire cloth 0.30mm nominal dia of wire and average width of aperture 1.56m fixed with aluminium beads and securing on outer face of frame and lower portion of ventilation shall be fixed with 3mm thick pin headed glass with IDPE rubber gasket including aluminium beads, including preparation of jombs all around in CM 1:3 finishing even and smooth complete all as specified and directed.

M&L for 20 to 25mm thick chipping and removing of loose concrete (weak concrete) with power driven pressure type pnuematic chisel of standard pnuematic make to reach sound concrete and to completely exposing the existing reinforcement, for any height (including necessary scaffolding and necessary arrangements for temporary support to existing structure,jet wasing & cleaning of exposed surface) strictly as per the requirement of repair material and as directed by Engr-in-Charge.

M&L for Removing of rust from existing steel surfaces with rust removers of SIKA Rustoff100/Rebaklens/Asian of Fosroc or eqvivalant applied in two coats as per manufacturer instructions Min @ 0.15 kg/sqm per coat and cleaning all rust with steel wire brush and washed with water as directed by Engr-in-Charge. Note :- 1.The work will be carried out by authorized aplicater of SIKA/Fosroc/Asian/Dr.Fixit as approved by GE. 2. The work will carried out on any type of concrete strucure i.e. OHT, Diving Pool,Swimming pool incl column,Beams,Slabs & walls. 3.The necessary scafolding will be deemend to incl in the rate quoted by the contractor.

M&L for application of anti corrosive coating to Reinforcement by applying zinc rich epoxy based protective coating on the exposed reinforcement after proper mixing applied min @ 0.25 kg/sqm of steel surface complete as per manufacturers specification and directed by Engr-in-Charge. Make : SIKA Rustop/friazinc/FerroGard®-950, Fosroc: Nitozinc /Nitocoat/Asian Paints or equivalent as approved by GE. Note :- 1.Application of the products shall be by manufacturer’s authorized applicator and as per manufacturer's specifications complete all as specified and directed. 2. The work will carried out on any type of concrete strucure i.e. OHT,Diving Pool,Swimming pool incl column,Beams,Slabs & walls hence necessary arrengements for scafolding, T&P shall deemed to be incl in rate quoted by the contractor.

M&L injection grouting of low viscosity epoxy grout with Sikadur 52 or 53 (Make : SIKA/ BASF) including drilling hole @ 50 cm centre to centre (approx) of required dia in RCC slab,beam,walls and column with power drill and fixing metalic/pvc NRV packer Min 100mm or upto required depth grouting shall be done with mechanical pressure pump of pressure 8 to 10 Kg / Sq Cm. (Note: Paymment shall be made on basis of net weight of epoxy grout injected.) Make : Sika :Sikadur 52 & 53,Fosroc: Conbextra EP10 or equivalent as approved by GE Note :- 1.Application of the products shall be by manufacturer’s authorized applicator and as per manufacturer's specifications complete all as specified and directed. 2. The Rate includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for providing rendering with PMM (Polymer modified cementitious mortar) with following :- (i) Dry sub strate surface and free of debris & dust (ii) Applying Epoxy bond coat on the sound substrate using approved spray machine & ensuring that no pin holes are visible.(In case pin holes are still visible after a coat, a second coat shall be applied to ensure absence of pin holes). (iii) Immediately after application of epoxy bond coat as above apply PMM (Polymer modified cementitious mortar) of 25 mm thickness. Note : Application of PMM shall be preferably be in coats of appx 10mm thickness. PMM work shall be executed in fairely rapid successions so as entire work is completed with in 30 mins). PMM shall be pre packed ready to use. (iv) PMM surface to be moist cured for three days followed by air curing in temperature as recommended by manufactuer complete all as specified and directed. (v) The item includes cost towards supply and application all complete.Mixing and Application of the products shall be by manufacturer’s authorized applicator and as per manufacturer’s specifications complete all as specified and as directed. Make:- Sika Top-122 HS/ Fosroc or equivalent. Notes : The Area includes in this items for repair work of OHT,diving pool, Balancing Tank,Steps,Beams, Columns upto 30m high/Deep hence necessary scaffolding and all other arrengments deemds to includes in the rates qotoed by the contractor.

M&L for applying curing agent by sprey on concrete surface @ 0.5kg/sqm with make SIKA Antisol EWP or Equivalent grade of BASF / FOSROC complete all as specified and directed.

M&L for Non Toxic Food grade epoxy stearate protective coating shall be Nitocote EP405/Asian/Sika of 200 micron DFT, a two pack epoxy coating pecific ally designed for contact with potable water. The cured film shall comply with the requirements of IS:9833 – 1981. Notes : Application Area :OHT, Underground Water Tanks 6m deep.The Rate incl necessary scaffolding and all other arrengments.The work to be carriedout by authorized aplicater.

M&L for complete removing of existing surface fineshes and Providing and applying high performance anticarbonation coating of min 200 micron thickness Deckguard E 2000 with 2mm static crack bridging ability,co2 diffusion resistance, chloride ion resistance complete all as per manufacturer instructions and as directed by Engr-in-Charge. Make:- Sika / Fosroc/Asian or equivalent. Notes : The Area includes in this items for repair work of OHT, diving pool, Balancing Tank,Steps,Beams, Columns upto 18m high/Deep hence necessary scaffolding and all other arrengments deemds to includes in the rates qotoed by the contractor.

Dismantling wrought iron or mild steel work of any description not otherwise provided for railiing, ladders walk way railling of over head water tank complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

S&F Framed work such as grills , gratings, ladder, etc., with ends of bars shouldered and/ or riveted, or forged in to spikes; framed guard bars ; barred iron doors; ladders; framed balusters ; walk ways ; railings; frame work of water tanks and similar work conforming to Fe-290 Gde E-165 including supply and fixing angles flat iron (any section) for stairs stair railling of water tank upto 25m hight including neccesarry scaffolding complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for Welding in repairs n.exc 2.5 cm in length, Thickneess of metal to Exc 9 mm but n exc 20 mm thick complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for 75mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) in sub base of floor complete all as specified and directed by Engr-in-charge.

M&L 100 mm thick PCC 1:2:4 type B-2(using 40 mm graded stone aggregate) as in floor finishing even and smooth without using extra cement complete all as specified and directed by Engr-in-charge.

Demolition reinforced cement concrete in any description and in any position roofs, floors (other than ground floors), beams staircases, landing, chajjas Shelves and similar suspended work (reinforcement cut as required to facilitate demolition) complete all as specified and directed by Engr-in-charge. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for reinforced Cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregates) as in chajjas,Shelves complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

Use and waste of form work to Chullah hoods, chajjas, roofs, shelves, weather shades, corbels, water troughs walls and similar items including edges rough finished surfaces of concrete complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

S&F mild steel TMT bars 10 mm 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 0.90 mm dia. Or securing with clips complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for rendering 10 mm thick in CM 1:3 on RCC chajjas/facia over 10mm thick in CM 1:4 as doubing coat etc complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L preparation of surfaces of New steel surface of any description not otherwise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L preparation of surfaces of old steel surface of any description not otherwise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for completely removal of the existing treatment from OHT wall, domes,staging,column, beams and preparing concret surface and applying two coat of exterior weather proof paint over a coat of primer etc complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for preparation of new concrete surface of OHT wall, domes,staging,column, beams and applying two coat of exterior weather proof paint over a coat of primer etc complete all as specified and directed. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

M&L for Cleaning of the over head tank for removal of scale ,fungas, algee and removing all scale and dirt from internal and external surfaces of OHT tank of upto 60000Gal capacity having staging upto 30m from GL complete all as specified and directed by Engr-in-Charge. Notes : The Area includes in this items up to 30m high over head water tank necessary scaffolding and all other arrengments deemds to includes in the rates.

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