SPECIAL REPAIRS TO PUMP HOUSES AND SUB STATION BLDGS AT AF STATION TAMBARAM

Amount

Demolition reinforced cement concrete Roofs, floors (other than ground floors),beams,staircases,landing, chajjas and similar suspended work

Formwork to sides and soffits of lintels,lintel band, beams etc finished rough surfaces of concrete complete all as specified.

Form work to soffits of suspended slabs flat surface of concrete finished rough surfaces of concrete not exceeding 200mm thick, complete all as specified and directed.

RCC Nominal Mix type B1 1:2;4 using 20 mm graded aggregate in Beams, cantilevers, bressummers, lintels over 1.5m span all as specified and directed.

RCC Nominal Mix type B1 1:2;4, using 20 mm graded aggregate as in slab, shelves etc.complete all as specified and directed.

S&F TMT bars 10mm dia and over, cut to length, bent to shape required,including binding with mild steel wire (annealed) not less than 0.9mm dia complete all as specified and directed.

M&L Mild steel TMT bars 5mm dia & over upto & including 10mm dia in stirrups, spacers & binders, cut to length, bent to shape required, binding with & including mild steel wire (annealed) not less than 0.9mmdia or securing with clips quality complete all as specified and directed.

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

S&F for Hand rails, half round or other steel section or core for wooden hand-rail straight portion,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts; all as specified and directed.

M&L Preparation of new steel surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and as directed

Excavation in post holes (or similar holes) in hard/dense soil each not exc 0.5 Cu m, getting out, returning, filling in and ramming earthor broken rubble mixed with earth around, in layers not exceeding 25 cm, watering and removing surplus soil to a distance not exc 50 m and making good surface all as specified and as directed

M&L PCC Type C2 (1:3:6) using 40mm graded stone aggregates as in foundation all as specified and as directed

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified complete all as specified and as directed.

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified complete all as specified and as directed.

S&F Structural steel work as in roof trusses (framed), trussed, purlins, crane gantries, rails, doors of hangers and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc. of Fe 410-W (Gde-E- 250) quality-A complete all as specified and as directed

M&L Preparation of new steel surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coats of synthetic enamel paint over one coat of red oxide primer complete all as specified and as directed

Cutting/chipping the spalling concrete surfaces up to 30m as in overhead tanks for columns, beams,slabs/midlandings etc and trimming & cleaning the surface to receive guniting/plastering all as specified and directed including all necessary form work & scaffolding and safety measures and lowering down the demolished material for disposal and disposing the demolition material out of MD land all up to 30m height (Over head tank) all as specified and as directed

Polymer modified mortar ie 15 mm thick cement mortar 1:3 added with Nitobond AR at the rate of 8 Ltrs per bag of cement for restoring concrete cover to structural members complete all as specified and required including necessary scaffolding complete all as specified and directed up to 30m height (overhead tanks) all as specified and as directed.

Micro concrete rendroc RG (S) any thickness for structural members all as per manufactures instructions complete including leak proof form work coated with reabol mould release agent all as specified and directed including all including necessary steel scaffolding complete all as specified and directed land all up to 30m height (Over head tank) all as specified and as directed.

S&F hard drawn steel wire fabric weight exc 4kg per Sqm cut to lenghts bent to shape requred and tying with and including mild steel wire (annealed) not less than 0.9mm in dia supplied and fixed in reinforcement land all up to 30m height (Over head tank) all as specified and as directed.

Welding additional reinforcement with the existing rods of mild steel TMT bars10 mm dia and over cut to length bent to shape required including cranking bending spirally for hooking ends (Welding shall be measured separately) land all up to 30m height (Over head tank) all as specified and as directed.

Material and labour for complete removal of existing treatment of walls/pillars /cornices, including Washing, rubbing down including applying white cement based putty where required for filling to depressions to make the surface even and smooth by using sander machine (with provision of dust sucking) upto entire satisfaction of Engineer-in-charge, after preparing the surfaces applying two coats of weather proof exterior emulsion paint (wheather coat Apex, 100% exterior grade), as per existing colour or as approved tint/colour complete all as specified and as directed

All asper item No 22 here in before but as in overhead tanks up to 30 m height incl provn of necessary scaffolding and removal after completion of work complete all as specified and as directed.

Preparation of new surfaces of external walls and applying one coat of primer and two coats of weather proof exterior emulsion paint (wheather coat Apex, 100% exterior grade) as in overhead tanks up to 30 m height incl provn of necessary scaffolding and removal after completion of work complete all as specified and as directed.

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

Rendering 10mm thick on fair faces of brick work or concrete internal surfaces finishing even and smooth without using extra cement in CM 1:6 complete all as specified and as directed

Rendering 15mm thick on fair faces of brick work or concrete external surfaces finishing even and smooth without using extra cement in CM 1:4 complete all as specified and as directed

Rendering 5mm thick in cement mortar 1:3 on ceiling surfaces, finished even and smooth without using extra cement complete all as specified and as directed.

Preparation of new plastered surfaces of walls and applying one coat of primer and two coats of OBD complete all as specified and directed

Preparation of New plastered surfaces of wall and applying three coat of white wash complete all as specified and directed

Preparation of new surfaces of external walls and applying one coat of primer and two coats of weather proof exterior emulsion paint (wheather coat Apex, 100% exterior grade) complete all as specified and directed

Preparing newly plastered surfaces and applying three coats of white on ceiling / facia complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15cm deep and getting out complete all as specified and as directed

M&L for PCC 1:4:8, Type D2 (using 20 mm graded stone aggregate), 75 mm thick, as in sub base all as specified and as directed.

M&L for Screed bed or bedding layer of mortar 15mm thick for laying floor finish in CM 1:6 all as specified and as directed.

M&L for sand filling under paver blocks including watering and consolidation all as specified and as directed

M&L for rubber mould machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60mm thickness,M-35 Grade with grey cement and pigment all as specified and as directed

M&L for chequered cement concrete tiles 30cm x 30cm x 20-25mm thick, set, jointed and pointed in neat cement slurry in floors Pattern, size and shade pointed with grey cement and pigment all as specified and as directed

M&L for providing cement concrete 1:2:4, type B1 using 20 mm graded stone aggregate as in cills, steps, bands, copings, bed plates , etc including necessary form work, all as specified and as directed

M&L Plain cement concrete, 75mm thickness, type C2, 1:3:6 using 40mm graded stone aggregate as in plinth protection including necessary formwork finishing even and smooth without using extra cement complete all as specified and as directed

M&L PCC as in roof padding,kerbs or mud stops, rounded or chamfered on edges type B0,1:2:4 using 12.5 mm graded stone aggregate complete all as specified and directed.

Removing existing water proofing treatment any type like plastering, PCC, APP membrane,PCC etc., including removal of debris, old APP membrane etc., outside MOD land and applying water proofing treatment on horizantal or vertical surfaces by applying oil bound bitumen primer @ 0.20 Kg/Sqm and providing 4mm thick APP modified water proofing membrane weighing not less than 4 Kg/Sqm reinforced with non woven polyster matt weighing not less than 160gm/Sqm including minimum 10cm side lap and 15cm end lap torch sealed and bonded and applying a coat of blown grade hot bitumen 90/15 over and below the membrane @ 1.20 Kg/Sqm in drying over the membrane finished with solar reflective bituminous aluminium paint/primer @ 0.10 Kg.Sqm over plastered RCC roof slab/parapet after cleaning the surfaces by removing dust, dirt etc., complete all as per manufacturers instruction and as directed (Note: Plastering will be measured and paid seperately)

Rendering 10mm thick in CM 1:4 with water proofing compound @ 3% by weight of cement if integral water proofing powder is ued or 200 ml per 50kg of cement if liquid water proofing used over RCC slab, parapet and the like etc. finishing fair and even complete all as specified and as directed (Note: WPC will be measured and paid sepertely)

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

S&F for framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work,conforming to Fe.290.Gde-E-165 complete all as specified and as directed.

Dismantling floor hearth or wall tiling incl cement mortor bedding (but not backing) removing the rubbish of the premises complete all as specified and as directed.

M&L Non skid ceramic coloured tiles 6-7 mm thick (square/rectangular) area of each tile exc 0.06sqm but not exc 0.11Sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match over and including 15 mm thick screed plaster in CM 1:6 all as specified and directed.

M & L glazed ceramic coloured tiles on vertical surface as in dados, skirting etc, set and jointed in neat cement slurry over and including 10mm thick plater in cement mortar 1:4, pointed with white/ coloured cement to match complete all as specified and as directed.

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as directed

M&L fly ash Brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, built in CM 1:6 complete all as specified and as directed.

Rendering 15 mm thick in CM 1:6 over brick surfaces finished even and fair without using extra cement

Taking down chowkhats or frames with shutter (without taking off shutter from the frame) n exe 1.50 sqm each complete all as specified and as directed.

Taking down chowkhats or frames with shutter (without taking off shutter from the frame) exe 1.50 sqm but n.exc. 4.00 sqm in each complete all as specified and as directed.

Taking down shutters of any description of area n.exc 1.5 Sqm each

S&F Plain, solid, straight chowkats and frames, wrought, framed rebated on the solid, rounded or chamfered,put together with glue pinned at joints, supplied and fixed second class hardwood complete all as specified and as directed

S&F Plain framed, panelled shutter second class hardwood rail and syle, 35mm thick (two panel) with lock rail and panel of 9 mm B.W.P. commercial ply or 12mm 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 and as directed

S&F Glazed and skeleton shutters, 25mm thick using second class hard wood, open rebated and prepared to receive glass, gauze, etc. with or without sash bar , 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); supplied and fitted to chowkats complete all as specified and as directed

Taking down PVC door frame including shutters of any description of area not exc 1.5 Sqm each all as specified and as directed.

S&F Solid PVC Door frame of size 50mm x 47mm made out of 5mm plain colour PVC sheet reinforced with MS square tube supplying and fixing in opening as per specification

S&F Factory made solid panel PVC door shutter 30mm thick (Style) consisting of frame made out of MS tube for top & bottom rails. MS frame shall be covered with heat moulded plain colour PVC 'C' channel having PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheet for top rail, lock rail & bottom rail on either side & 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 style & rails with suitable PVC sheet beading, and jointed together with solvent cement,supplying & fixing in the frame at site as per specification and drawing

S&F 100 mm long stainless steel butt hinges for all type of doors

S&F Extruded Aluminium alloy handle fabricated type, anodised of size 150mm

S&F Aluminium anodised barrel tower bolt of extruded section of size 150mm

S&F in floor door stopper 140 mm long of aluminium alloy body and tongue, anodised with hard drawn steel spring in floors.

S&F Aluminium alloy, anodised sliding door bolt, with hasp, staple (bolt type) and fixing clips of sheets, cast or extruded section and fixing bolts and sliding bolt of extruded section or cast alluminium alloy of size 250 mm

Preparing new wooden surfaces of any description over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer all as specified and as directed.

Cutting holes in to brick wall built in cement mortar exc half brick & not exc full brick and making good in cement mortar 1:3 or cement concrete 1:2:4 Type B-1 as required all as specified and as directed.

M&L for small articles such as hold fasts etc. of Flat Iron 25 x 3, Grade confirming to Fe-290 Gde E-165 all as specified and as directed.

Hacking out old broken glasses any thickness size, quality or description from steel/wooden frames fixed with putty or with beads all as specified and directed.

S&F 4mm thick plain ordinary glass fixed in squares n.exc 0.5 Sqm in each panes with wooden beading or glazing putty all as specified and as directed.

Taking down of steel tubing and connections complete on walls floors etc for 15mm bore of pipe.

All as per item No. 71 above but bore of pipe in 20mm dia.

All as per item No. 71 above but bore of pipe in 25mm dia.

S&F Galvanised iron medium graded tubes with all fittings and fixed complete on walls ceiling or laid in floors etc,15mm in dia all as specified and as directed.

All as per item No. 74 above but bore of pipe 20 mm

All as per item No. 74 above but bore of pipe 25 mm.

Supplying and laying of 16mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all specified and as directed.

S&F in repairs 15 mm bore CP Bib tap cast copper alloy fancy type crutch or butterfly handles screwed down for iron or for brass ferrule all specified and as directed.

S&F in repairs 15 mm bore pillar taps cast copper alloy fancy type chromium plated screwed down high pressure with long screwed shanks and fly nuts screwed for iron pipes all specified and as directed.

S&F in repairs 15mm dia chromium plated fancy type angle/stop cock cast copper alloy screwed down high pressure fancy screwed both ends for pipe or for union all specified and as directed.

S&F in repairs PVC over head tank cover for any capacity all specified and as directed.

S&F in repairs PVC connections 15mm dia 600mm long (for cold/hot water connection with brass or PTMT flynuts and washer at both ends all specified and as directed.

S&F PVC sintex water tank of capacity exc 250ltrs but not exc 500ltrs Ltrs including hoisting and positioning complete and taking out old tank all specified and as directed.

All as per item No. 84 above but 1000 Ltrs capacity.

S&F in repairs PVC valve less syphonic action type flushing cistern 10 litres capacity, high/low level with inlet ball valve, float and handle including brackets all specified and as directed.

S&F in repairs Ball valves of High pressure of PTMT with epoxy coated with aluminum rod & high density plastic ball 15mm inside flushing cistern( min wt - 142gms) all specified and as directed.

S&F in repairs flush pipe of polyethylene of low or high density or PVC 32 mm dia, for low / high level flushing cistern all specified and as directed.

S&F in repairs flush pipe of polyethylene of low or high density or PVC 32 mm dia, for wash hand basin / urinal all specified and as directed.

Taking down rain water pipes, waste/soil pipes (any size or pattern), including all fittings, heads, shoes, bends, swan necks, etc including cleaning or refixing or removal to store all specified and as directed.

S&F 75mm dia PVC (SWR) pipes single socketed in any length with rubber ring joint laid in trenches or in floors.

All as per item No 50 above but 110 mm bore

S&F 75mm dia PVC (SWR) bend without access door

S&F 110mm dia PVC (SWR) bend without access door

S&F 75mm dia PVC (SWR) bend with access door

S&F in repairs 75mm dia PVC (SWR) floor trap with grating including jointing with solvent cement all specified and as directed.

S&F in repair viterous china WHB flat back of size 550x400mm incuding GI Brackets, CP brass waste coupling with check nut and washers of suitable to be complete all specified and as directed.

S&F in repairs Vitreous china squatting pan orissa pattern size 500x440mm white with integral foot rest (excl flushing cistern and flush pipe ) and making good to floor all specified and as directed.

Dismantling RCC fencing posts or struts of any section embedded in concrete, including taking out embedded portion and making good disturbed ground complete all as specified and as directed.

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

Dismantling fencing wire mesh, any type complete all as specified and as directed.

M&L for PCC Type C2 (1:3:6) using 40mm graded stone aggregates as in foundation, filling and mass concrete complete all as specified and as directed.

S&F for Joist, channel, angle,MS Flat or tee sections, fixed independently, without connecting plates, etc. cut to ordinary lengths as in fencing posts complete etc as in chain link fencing posts and struts including cutting tops to shape as directed, drilling holes, notching for wire, etc for securing wire mesh etc, and similar work conforming to Fe-290 Gde E-165 all as specified and as directed

S&F for mild steel screw bolts (machine made), diameter of shank 11 to 15 mm, with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt n exc 15 mm long all specified and as directed.

S&F for Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooksand hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete all specified and as directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts etc, including provision of binding wire all specified and as directed.

Supply only chain link MS galvanised fencing 3 to 4 mm dia wire, size of mesh 50 x 50 mm, made up to mattress or cages, all as specified and as directed

Preparation of new steel surfaces of any description, over 10 cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer all specified and as directed.

M R Govinda Reddy and Sons

DELTA CONSTRUCTIONS

M/s KM Marimuthu Achary

Raju Builders