SPECIAL REPAIR TO OVERHEAD TANKS OF EXTERNAL WATER SUPPLY AND CERTAIN MAJOR REVENUE AND MINOR WORKS AT AF STN YELAHANKA

Amount

M&L for making V groove of 10mm wide and 30mm deep or upto the extend of joint/crack present at site over joint/ crack line using electricity operated angle grinder with diamond concrete saw blade and cleaning it by air blower as directed by Engineer-ln-Charge. The groove shall be cut on the concrete surface along the joint/crack over RCC structure to be repaired complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturer only.

M&L for Drilling Holes of 12mm dia up to 100 mm deep holes in structural members at the interval of 300 mm in staggered manner or along the joint & crack line in Reinforced Concrete (RC) structural element including cleaning of the holes by air blower and inserting 12mm nozzle compatible with epoxy injector and having machined external end to receive outlet of Grouting Gun. Fix inside the hole by applying thixotropic epoxy adhesive to ensure complete sealing and allow curing the system for minimum of 8 Hrs before Grouting including nozzle projections, excess putty, if any, over concrete element by grinding, levelling and finishing the external surface, after completion of the work, etc. complete all as specified and directed. Make :-fosroc/pidilite/krishna cem/sika

M&L sealing of exposed 'V' groove of 10mm wide and 30mm deep with solvent-free, moisture tolerant, thixotropic, two-part structural adhesive and repair mortar cum surface levelling mortar. Note: Work to be executed by the authorised applicator of manufacturers only

M&L for injection grouting of construction joints with non-shrink cement slurry admixed with epoxy grouting Cebex 100 of -214 IN @ 300 mm C/C including of opening of cracks to a groove of size 12mm X 12 mm, Nozzle at 300 mm C/C including of opening of cracks to be grooved of size 10mm X 10mm fixing of nozzles with fast setting plugging compound Renderoc plug, cutting the extra length of nozzle after grouting all in complete as per manufacturers’ instructions including necessary scaffolding as required and as per the directions of Engineer-in-charge including sealing the nozzle with thixotropic epoxy putty after the refusal of grout material from the nozzle complete all as specified and directed. Note: Leakage through other nozzle or cracks are required to be monitored while grouting and such points to be sealed as and when required without any extra cost.

M&L for applying Two coats of topseal inside of the wall & floor of the tank, two components ready to use polymer modified cementitious coating. First Coat should be applied horizontally and second coat should be applied vertically. The thickness of coating shall not be less than 1.5 mm complete all as specified and directed.

M&L for applying two coats a water based epoxy coating certified for portable water on all over the concrete surface from inside. Apply the first coat by brush allow it to dry for 6-8 hrs and then apply 2nd coat and allow it to cure complete 24 hrs The coating shall be applied using brush application. The Thickness after two coating should not be less than 500 microns complete all as specified and directed.

M&L for examining concrete by tapping with light hammer and marking of the loose concrete areas of structural elements in straight line geometrical forms, grooving the edges same with grinder upto 5 -10 mm depth without damaging existing rebars, carefully removing unsound weak/ loose concrete/ cover & concrete around the rebars upto 10 mm depth by low impact high frequency hammer/ chipper without damaging the sound concrete, daily cleaning and stacking of debris at prescribed location in polypropylene/ paper bags, disposing off the debris so generated on weekly basis outside the premises, etc, including necessary scaffolding work complete all as specified and directed.

M&L for cleaning existing reinforcement with wire brush/rotary wire brush to make surface free from rust scales, loose material, dirt etc complete and applying two coats of alkaline rust converting primer Sika RustOff 100 or ReArm Rust Remover with brush on the existing rebar for complete wetting of rusted metal surface and allowed to react it for 16-24 hours. After 24 hours, a white layer will appear which will protect further corrosion of metal / steel for about 5-7 days including surface preparation. Before applying protective coating, the surface should be wire brushed and thoroughly cleaned for dust with dry cloth, complete all as specified and as directed by Engr-in-charge Note: Work to be executed by the authorised applicator of manufacturer only.

M&L for Drilling & Re baring of 12 mm dia x 120mm deep, thoroughly coated with Zinc based reinforcement epoxy complete all as specified and directed.

M&L Providing and Application as passivator/ Anti corrosion coating to the steel reinforcement shall be applied the material shall be two components, cement-based polymer modified two component coating for corrosion protection. The material shall be prepacked and ready to use. It shall be fully compatible with the reinstatement methods adopted including necessary surface preparation and erection of steel props as required for the application complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturer only.

M&L of two component solvent free epoxy bonding agent for bonding old to new concrete. The ready to use epoxy bonding agent shall be applied over old concrete using brush after cleaning of surface of all dust or latiance. The material is supplied as a two part material in pre weighed quantities for ready onsite mixing and use. The material shall exhibits the following properties Compressive strength 50 N/mm2 at 7D Flexural strength 35N/mms at 7 D , Shear strength 10 N/mm2 at 7D and Tensile strength 20 N/mm2 and Bond Strength of 10 N/mm2.The new concrete shall be placed within the open time as specified by the manufacturer to ensure maximum bonding and application shall be as per the manufacturer instruction , complete all as specified and as directed by Engr-in-charge. Note: Work to be executed by the authorized applicator of manufacturer.

M&L for rebuilding the section of damaged RCC elements to its original size in thickness of 25mm by hand or spray application by Providing and applying Sika MonoTop@- 122F single component, fibre reinforced, sulphate resistant, low shrinkage, high performance cementitious structural repair mortar or by micro concreting in the ratio of 1:2:4 added with water proofing admixture as specified or directed by engineer in charge. Note: Work to be executed by the authorised applicator of manufacturer.

M&L for complete removal of external finish on old plastered surface of RCC members like dome /columns etc of OH tank surface including necessary scaffolding and apply one coats of Exterior wall primer and two coats of Exterior Emulsion anti-fungal weather proof paint as per manufacturer instruction for height up to 30 mtr complete all as specified and directed by Engr-in Charge

M&L for providing 40mm-100mm thick ready to use non-shrink, cementitious free flow micro concrete sika rep microcrete-4 as in rebuilding the section of damaged RCC elements to its original Size having compressive strength >60 N/sq.mm (28 days) according to ASTM all as per manufacturer instructions including use and removal of suitable steel structural from work complete all as specified and as directed

M&L mild steel framed work conforming to Fe-410-W (Gde E-250 quality A) 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 hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and rides) and hanging; also fastening and fixing complete all as specified and directed.

M&L for preparation of new steel surfaces of any descriptions over 10 cm width or girth and applying two coats of synthetic enamel painting over a coat of red oxide primer including filling with filler wherever required complete all as specified and directed

Taking down cement plaster from brick or stone work including raking out joints, hacking for key, scrubbing down with water, etc. walls of any description all as specified and directed.

M&L 15mm thick rendering in cement plaster CM 1:4 on brick work or concrete surfaces and surface finished even & smooth without using extra cement on external wall complete all as specified and directed.

M&L for preparation of newly plastered surfaces of wall and applying two coats of cement base paint including one coat of alkali resistant priming paint complete all as specified and directed.

Demolition for cement concrete (un reinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as directed.

M&L for 100mm thick Plain Cement concrete 1:2:4, type B1 (using 20 mm graded stone aggregate) as in floor complete all as specified and directed.

M & L for Forming Contraction (Dummy) joints 65mm deep x 10mm wide, filled with sealing compound, Grade 'A' all as specified and directed.

M&L for Plain Cement Concrete 1:2:4 type B1 (using 20 mm graded stone aggregate) as in coping, benching and similar works including weathering slightly rounded on chamfered angle and throating all specified and directed

Demolition of brick work or stone masonry built in CM including all quions all as specified and directed.

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

M&L Preparing old painted steel surface of any description over 10cm width or girth and applying one coat of Synthetic enamel Paint all as specified and directed.

Note for item No 1 to 26:- (i) Cost of the above item s are including of Steel scaffolding (ii) ) Work will be executed as per the authorised applicator (iii) Contractor shall submit 10 year of leakage proof guarantee as PS

Excavation in trenches n exc 1.5m wide and n exc 1.5m in depth for foundation etc and getting out in soft/loose soil all as directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep for laying of water supply pipe lines, cables, foundation for poles etc and getting out in hard/dense soil complete all as directed by Eng-in-Charge.

Excavation over area n. exc 1.5m deep and getting out in soft/loose soil all as directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed.

Removing surplus soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as directed by Engr-in-charge.

M&L for providing hardcore of broken stone or boulder of gauge not exc. 63mm, deposited, spread and levelled in layers not exc. 15 cm thick, watered and rammed to a true surface complete all as specified and directed

M & L for 75 mm thick PCC 1: 3 :6, type C-2 (using 40mm graded stone aggregate) as in sub base of floor complete all as specified and directed.

M&L for brick work with sub class "B" bricks straight or curved on plan exceeding 6m mean radius with old size bricks locaaly available built in cement mortar 1:4 complete all as specified and directed

M&L for rendering 15mm thick (average) in cement mortar 1:4 on wall and floor surfaces mixed with water proofing compound as per manufacturer's instructions and surface finished even and smooth without using extra cement complete all as specified and directed. Note:- Water proofing compound will be measured and paid separately as supply only.

Supply only approved integral water proofing compound. Make : conplast x 421 IC of M/s Foroc Chemical (India) Ltd or its equivalent in Dr Fixit/ STP Ltd.

M&L Glass mosaic tiles of size 300 x 300 x 7 mm thick set and jointed in neat cement slurry beading and pointed in white or colour cement to match all as specified and directed

M&L for 20mm thick Granite (of any type) work (table rubbed and polished) in steps, jambs pillar window cill, cooking plot forms and including 20mm thick cement mortar (1:4) including pointing in white cement tiles 20mm thick machine cut, bedded and jointed with grey cement slurry and pointed with white cement with admixture of pigment to match the shade of granite stone (1:2) using marble dust with admixture of pigment to match including rounding and polishing to edges of granite slab all as specified and directed.

S&F CPVC pipes 25 mm SDR 11 & Plain CPVC SDR 11 on walls, ceiling or laying in floor including fitting in floors all as specified and directed.

S&F stainless steel sheet water falls blade nozzles pan 1.20 m length complete all as specified and as directed.

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

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

M&L Non skid coloured Ceramic tiles 7 to 8 mm thick and area of each tiles exc 0.11 sqm but not exceeding 0.18 Sqm as in flooring over 15mm thick screed bed in CM 1:6 all as specified and directed.

Taking down door chowkats or frames exceeding 1.50 sqm not exceeding 4 sqm with shutters (without taking off shutters from the frame) of any description all as specified and directed.

S & F 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 con- forming to Fe.290.Gde-E-165 complete all as specified and directed.

S&F factory made uPVC white colour Three track three panels sliding window with fly proof S.S wire mesh (Two nos. glazed & one no. wire mesh panels) upto 1.50m height made of (big series) frame 116 x 45 mm & sash 46 x 62 mm both having wall thickness of 2.3 ± 0.2 mm and single glazing bead / double glazing bead of appropriate dimension. (Area of window above 1.75 sqm) comprising of uPVC multichambered frame, with inbuilt roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealent over backer rod of required size and of approved quality, complete all as specified and directed by Engineer-in-Charge. (Glass or wiremesh shall be paid separately) Note: For uPVC frame and sash extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable. Variation in profile dimension in higher side shall be accepted but no extra payment on this account shall be made.

M & L for Factory made single extruded WPC (Wood Polymer Composite) solid door/ window/ Ceosetory windows & other Frames/ Chowkhat of size 50 x 100 mm comprising of virgin PVC polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with full body threaded star headed SS screws having minimum frame density of 750 kg/ cum, screw withdrawal strength of 2200 N (Face) & 1100 N (Edge), minimum compressive strength of 58 N/mm2, modules of elasticity 900 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/ moisture proof and fire retardant and fixed in position with MS hold fast/ lugs/SS dash fasteners of required dia and Engineer-in-Charge. (M.S. hold fast/ lugs or SS dash fasteners shall be paid for separately). ® Note: For WPC solid door/window frames, minus 5mm tolerance in dimension i.e. depth and width of profile shall be acceptable. Variation in profile dimensions on plus side shall be acceptable but no extra payment on this account shall be made

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid decorative type flush door shutter of size 30mm thick comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) & 900 N (Edge), minimum compressive strength 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A category with property of being termite/borer proof, water/moisture proof and fire retardant. WPC to be laminated with PVC foil of minimum 14 microns thick of approved design pasted with hot melt adhesive on both faces of shutter and fixing with stainless steel butt hinges of required size with necessary full body threaded star headed counter sunk S.S screws, all as per direction of Engineer- In- Charge. (Note: stainless steel butt hinges and necessary S.S screws shall be paid separately)

S&F sheet glass ordinary quality 4mm thick as in doors,window, showcase alum frame work & similar work with or without glass roller area exc 0.50 Sqm including neoprime gasket all as directed by Engineer-in-Charge

M&L for applying two coats of distemper (OBD) including Preparation to the new surfaces of wall, all as specified and as directed

M&L one coat of white washing on old decorated ceiling surfaces incl preparation of surfaces.

M&L for preparation of old decorated brick/concrete/plastered or unplastered surfaces wall, pillars,cornices and removing all loose material and filling the all holes/patches with wall care putty to make surface smooth and applying one coats of OBD complete all as specfied and directed

S&F Butt hinges of size 100mm extruded aluminium alloy with galvanised mild steel hinge pin,anodised and fixed, type C-21 all as specified and directed.

S&F aluminium alloy anodised, sliding door bolt 250 mm long with hasp, staple (bolt type) and fixing clips of sheets , cast or extracted section and fixing bolt and sliding bolts of extracted section all as specified and directed.

S&F for aluminium anodised, barrel tower bolt 150mm of extruded section all as specified and directed.

S&F for aluminium handle 150mm cast type anodised all as specified and directed.

M&L for APP based polymeric membrance minimum 3mm thick reinforced with polyster non wove fabric (weight not less than 150gm/sqm) laid on primed surface by forced application and applying evenly a tack coat of Industrial bitumen 85/25 at the rate of 1.20 Kg per sqm including removing old treatment and cleaning of surfaces complete all as specified and directed complete all as specified.

S&F in repairs single pointed air termination copper rod, 12 mm dia, 300 mm long and fixing upto 20 mtr height complete all as specified and directed.

S&F in repair aluminium strip 25 mm x 3 mm complete with saddles and fixing screws etc for roof conductors and down conductors above ground level and fixing upto 25 mtr height complete all as specified and directed by Engr-in-Charge.

M & L for Earthing complete with galvanised earth plate electrode of size 600x600x6mm thick burried directly in ground earth pit not less than 2.25 m below ground level with top edge of earth plate not less than 1.5 mtrs below ground level connected to galvanised iron strip of size 32mm x 6mm as earth lead upto a length of 7.5 metre long by means of bolts,nuts, washers etc. and protected by GI pipe medium grade 15mm dia and 20mm dia GI tubing light grade with funnel for watering, all as shown in electrical plate No 3 of SSR Part-I, back-fill with salt and charcoal, provision of test point including connected to earth test point and necessary earth work excavation in any type of soil PCC (1:3:6) type C2 bed and chamber RCC (1:2:4) type B1, iron grill including PCC cover with hinge and funnel watering pipe etc all as specified and directed by Engr-in-Charge. Note : If desired testing result is not acheived re-earthing shall be carried out by the contractor at no cost to the department.

S&F in repair Galvanised Iron tubing medium grade 40 mm bore with all fittings and fixing in floor/on wall/crossing in road/drain including repair of PCC work etc. for protection of earth strip complete all as specified and directed by Engr-in-Charge.

M&L for Test point terminal box made of gun metal or phosphorous bronze, size 75x75x25 mm drilled and screwd including 3 Nos 8 mm dia 25 mm long hexagonal head screw including removing the existing all as specified and directed.u/d test point terminalblock complete all as specified and directed by Engr-in-Charge.

Dismantling & taking out old unserviceable earthing pits including connected materials, disconneecting and safely removing any wiring or connections all as specified and directed by Engr-in-Charge.

S&F in repair Solar aviation light is completely self-contained and incorporates a 8W solar Module, 4.5 AH battery and lighting color red , flame red painted die-cast aluminum alloy housing, with polycarbonate glass, bird spike complete with solar panel, integrated Li-Ion battery, charge controller, Cables and mounting structure with automatic from dusk to dawn and the unit is completely self-contained and incorporates a 8W solar Module, 4.5 AH battery complete all as specified and directed.

Dismantling and taking down the clogged/unserviceable MS pipe 150mm dia from floor/wall Including isolation, handling, site clean-up etc all as specified and as directed.

Dismantling and taking down the clogged/unserviceable MS pipe 100mm dia from floor/wall Including isolation, handling, site clean-up etc all as specified and as directed.

M&L for MS pipe 150mm dia including all fittings laid on wall/floor all as specified and as directed.

M&L for MS pipe 100mm dia including all fittings laid on wall/floor all as specified and as directed.

M&L for cast iron sluice valve 150mm dia both end flanged PN 1.6 with fixing arrangements such as bolt / nuts, rubber packing’s etc conforming to relevant IS standard complete all as specified and as directed.

M&L for cast iron sluice valve 100mm dia both end flanged PN 1.6 with fixing arrangements such as bolt / nuts, rubber packing’s etc conforming to relevant IS standard complete all as specified and as directed.

Dismantling and taking down unserviceable sluice valve 150mm dia from valve chamber/pipe line all as specified and as directed by Engr-in-Charge

Dismantling and taking down unserviceable sluice valve 100mm dia from valve chamber/pipe line all as specified and as directed by Engr-in-Charge

M&L for cast iron non-return valve 150mm dia both end flanged with fixing arrangements such as bolt / nuts, rubber packing’s etc conforming to relevant IS standard complete all as specified and directed.

M&L for cast iron non-return valve 100mm dia both end flanged with fixing arrangements such as bolt / nuts, rubber packing’s etc conforming to relevant IS standard complete all as specified and directed.

M&L for cast iron non-return valve 75mm dia both end flanged with fixing arrangements such as bolt / nuts, rubber packing’s etc conforming to relevant IS standard complete all as specified and directed.

Dismantling and taking down unserviceable Non-return valve 150 mm dia from pipe line all as directed by Engr-in-Charge

Dismantling and taking down unserviceable Non-return valve 100 mm dia from pipe line all as directed by Engr-in-Charge

Construction of valve chamber of size 900 mm x 900 mm x 900 mm internal size suitable for sluice valve, with PCC (1:4:8) type (D2) for foundation one brick wall in cement mortar (1:4) PCC (1:2:4) type B1 for coping rendering in CM (1: 4) 15 mm thick including provision of mild steel sheet cover 3.15 mm thick on 40 x 40 x 6 mm angle iron frame work with two coat of synthetic enamel black paint over a coat of red oxide primer and locking arrangement including necessary excavation, earth work and demolishing the damaged valve chamber and removing debris as directed, all as specified

S&F of Unplasticised PVC pipes pressure rating 10 kgf/cm2, bore of pipes 50 mm & necessary fittings specials such as unions, tee, elbow, bends, collars reducers, bushes jointing with solvent cement, etc. complete all as specified and directed.

S&F of Unplasticised PVC pipes pressure rating 10 kgf/cm2, bore of pipes 32 mm & necessary fittings specials such as unions, tee, elbow, bends, collars reducers, bushes jointing with solvent cement, etc. complete all as specified and directed.

S&F of Unplasticised PVC pipes pressure rating 10 kgf/cm2, bore of pipes 40 mm & necessary fittings specials such as unions, tee, elbow, bends, collars reducers, bushes jointing with solvent cement, etc. complete all as specified and directed.

S&F of Internal Submersible cable 3 core 4 Sqmm inside water body under water lights and Pump including protection pipes, couplers, bends etc complete all as specified and directed Note: Cables should be reliable and durable to adequately face the difficulties due to the presence of water, such as infiltration, deterioration caused by chemicals and UV exposure, mechanical wear, etc.

S&F of Brass SS Coated 3\4" dia Foam Nozzles and complete all as specified and directed by Engr-in-charge

S&F of Brass SS Coated Ball joints 3\4" for Nozzles and complete all as specified and directed by Engr-in-charge

S&F of Brass Valves, 3\4" for Nozzles and complete all as specified and directed by Engr-in-charge

S&F of 16 gauge 304 grade Stainless Steel Trough (Sheet fall 2'0") of 2 feet width and 6 feet length all as specified and directed by Engr-in-charge

S&F of RGB LED underwater Lights of 12 volts, 18 watts, SS Body for Nozzles all as specified and directed by Engr-in-charge

S&F of RGB LED underwater Lights of 12 volts, 18 watts, SS Body with Stand for sheet fall all as specified and directed by Engr-in-charge

S&F of 20 Amps Driver, and single pole MCB 20Amps Switch 'C' curve for Nozzles all as specified and directed by Engr-in-charge

S&F of RGB Controller of high quality for precise control of lighting systems in fountain with features like adjustable brightness, variety of lightning effects etc all as specified and directed by Engr-in-charge Note: The lights should work on supply of voltage of 12-24 VDC and power of 1.5 watt.

S&F of Open well submersible pump set 5 HP 3 Phase suitable to operate to get the desired effect complete all as specified and directed.

S&F of Open well submersible pump set 2 HP single phase suitable to operate to get the desired effect complete all as specified and directed.

S&F of Motor starter including Isolated switch, Phase indicator, Amp meter, Volt Meter, Start and Stop buttons with MCB Switches suitable for 5 HP submersible pump complete all as specified and directed.

S&F of Motor starter including Start and Stop buttons with MCB and Condensers Switches suitable for 2 HP submersible pump complete all as specified and directed.

S&F of IP 65 rated, powder coated mild steel Outdoor Panel Box of size 800x600x350 mm of 2mm thick with ventilation louvers, housing DOL/Star delta starter for 5HP and 2HP motors, light indication switches, ammeter, voltmeter, rated MCBs etc complete all as specified and directed.

Supply, installation and testing of External cabling for water body under water lights and Pump 3 core 2.5 Sqmm with suitable size flexible PVC conduit pipes for fountain applications complete all as specified and directed.

Supply, installation and testing of External cabling for water body under water lights and Pump 3 core 4 Sqmm with suitable size flexible PVC conduit pipes for fountain applications complete all as specified and directed.

S&F for GI pipe 40mm dia medium grade laid in trenches/fixed on wall/floor complete all as specified and as directed. Note: Excavation, returning filling & removing surplus soil shall be measured and paid separately.

M&L for earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron strip 25×4mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion all as shown in electrical plate No 3 of SSR Part-I, back-fill with salt and charcoal, provision of test point including connected to earth test point and necessary earth work excavation in any type of soil PCC (1:3:6) type C1 bed and chamber RCC (1:2:4) type B1, iron grill including GI cover with hinge and funnel watering pipe etc all as specified and directed by Engr-in-Charge.

M & L for Point wiring complete with1.5 sqmm single core PVC insulated heavy duty ISI Marked, unsheathed FRLS cable 1100 volts grade with multistranded copper conductor(FRLS) drawn through ERW conduit with all accessories fixed to the surface of walls/roof/ floors / ceiling etc., M S terminal boxes 60 mm deep concealed in walls covered with plastic laminated top cover sheet 3.0 mm thick fixed with cadmium plated iron screws etc including 1.5 sqmm PVC insulated, unsheathed copper conductor Muistandere FRLS cable 1100V grade as earth continuity conductor & connecting to common earth dolly for one light/Exhaust Fan(flameproof) point controlled by one switch complete all as specified and directed. Note: Cutting chases, pinning in , making good etc for concealed wiring is included in the quoted rate

S & F flame proof exhaust fan 305 mm (12)" sweep heavy duty 1440 RPM, single phase 240 volts AC 50 Hz and connecting up complete including louvers and provision of cable 3 core of size 0.5 sqmm (16/0.2 mm) from ceiling rose to fan including writing MES NO. 2 CM height with synthetic enamelled black paint all as specified and as directed

S&F of LED light fitting 1x16 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum hosing with heat resistant toughened glass with LED tube light fixtures driver, holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size complete all as specified and directed by Engr-in-Charge.

S&F of Switch flame proof rotary type with termination box in LM6, 16A, double pole 250V complete all as specified and directed.

M & L for provision of suitable hole on the wall for fixing of the exhaust fan of size 12” and connecting with the ceiling rose complete all as specified and directed by Engr-In-charge.

S&F of LED light fitting mirror type with high output diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete all as specified and directed.

S&F of switch socket outlet 5 pin 5 Amps multi pin flush type (for wall mounted fan) all as specified and directed.

S&F of wall mounted fan 400 mm sweep , High speed,220-240 volt AC,50 Hz sigle phase with thermal Overload Protection , High-Performance, Controlled Oscillation, 100% Copper winding Motor, 3-Speed Control, Best-In-Class Performance of 2100 RPM high speed and air delivery of 105 CMM etc all as specified and directed by Engr-in-charge Make: Crompton ,Model No - ‎Torpedo KD white or equivalent in Havells/Usha

M&L for point wiring complete with 1.5 Sqmm (nominal cross sectional area) single core PVC insulated heavy duty ISI marked unsheathed cable 1100 volts grade with multistranded copper conductor drawn through in and including new PVC concealed conduit in existing brick /stone wall for concealing conduit and provision of PVC insulated heavy duty ISI marked unsheathed copper conductor ,1.5 sqmm for earth continuity conductor and connected to common earth dolly for the following completed all as specified and directed. Note: Cutting chases, pinning in , making good etc for concealed wiring is included in the quoted rate.

One Light point/fan point controlled by one switch

One socket 5 amp on independent board complete

S&F ceiling rose surface bakelite 65x50mm 3 terminals all as specified and directed.

S & F Modular Switch 1 way 6 Amps 1 Module all as specified and directed.

S & F white cover plate with frame 2 module all as specified and directed.

S & F modular metal flush box 1/2 module all as specified and directed.

S & F 240V, 10 KA 'B' curve miniature circuit breaker (MCB) of single poles and current carrying capacity 5 to 32 AMP, in the MCB DB Complete with connection testing and commissioning all as specified and directed.

M&L for maintenance free earthing “Jef Ecosafe” comprising of 17.2 mm dia 3 mtr long Earth electrode of low carbon steel electriode with 250 micron copper bonding, 50 pounds of Ecosafe based environment friendly backfill and suitable clamp, back-fill earthing enhancing compound should strictly be a Eco Safe carbon based conductive concrete type which has a resistivity of less than 0.12 Ohm mtr as per Clause 14.5D of IEEE : 80 standard. Back-fill compound should be electronically conductive (like in metals) and should not depend on moisture for conduction. Back-fill compound should be environment friendly, should solidify when mixed water and set like concrete and should not leach /diffuse into the ground. Back-fill compound shal not mixed with any soil while pouring in the bore hole. Test Certificate as per IEC :62561-7 for Back-fill compound shall be submitted alongwith the material. 17.2 OD SS clamp both side, Eco friendly rust proof heavy duty weather proof Polythylene Earth pit chamber with following dimensions: 254 mm dia (top),330 mm dia (bottom) & 260 mm (height). Make : JEF type R16CB01SS02E06 or its techno commercial equivalent Note : (a) The earthing value should be constant upto 15 Years from the date of installation. Certificate for the same to be obtained by the contractor from OEM and submitted to Engr - In - Charge before completion of work. (b) In case the value are not found within limit, the same to be rectified by the contractor at free of cost.

Supply and Installation of 10 mm copper bonded Round steel solid Conductor for ring earthing meet the requirements of IS/IEC 62305 and IEC 6256-2, Type B earthing has been proposed for complete buildings. Make : JEF Type J1DC05 or its techno commercial equivalent

S&F Copper conductor single core multistranded of size 10 Sqmm complete all as specified and directed.

S&F air curtain 4 ft long ,220-240 V , 50 HZ, RPM (Max/Min ) 2700/2100, Body MS Power coated , Nos of blowers -03 Nos , No of motors -02 Nos (single phase) , Blower material - ABS, Noise level - 50-70 db, CFM- 825 ,max air velocity 21 m/s and with motion sensor complete all as specified and directed. Make : Mitsubhisi/ Novatech/ Euronics

Point wiring complete with 2.5 sqmm single core PVC insulated heavy duty ISI Marked, unsheathed cable 1100 volts grade with multistranded copper conductor FRLS drawn through and including non-metallic rigid PVC conduit not less than 20mm dia and conduit accessories fixed to walls / floors / ceiling etc., and including provision of PVC insulated heavy duty copper conductor, 2.5 sqmm for earth continuity conductor and connected to common earth dolly, for 6 pin 6/16 Amps socket out controlled by 15 Amps switch complete all as specified and directed.

Modular metal flush terminal boxes with lumina plate and frame suitable for 1 module complete all as specified and directed.

Modular metal flush terminal boxes with lumina plate and frame suitable for 2 module complete all as specified and directed.

Switch modular type single pole one module, 16 Amps complete all as specified and directed.

Socket outlet modular type, multipurpose, 2/3 pin, single pole two module, 6/16 Amps complete all as specified.

S&F single pointed air termination aluminium rod 12mm dia, 300 mm long complete all as specified and directed.

M& L for test terminal block made out of gun metal or phosphorus bronze 75mmx25mmx with accessories all as specified and directed.

S&F Monoblock pump set 3HP/2.2kW, Single Phase, 220Volts, Max discharge upto 3-5 lps, Pressure Head Range 35 to 50m having TOP- (Thermal Overload protector) that protects the motor from overloading, High-efficiency and energy-saving design etc suitable for gardening and for water sprinklers all as specified and directed by Engr-in-charge

S&F of control panel suitable for pump set having panel box made of CRCA sheet of 2 mm thickness and fixed alongwith following accessories complete all as specified and directed: (a) DOL starter (b) Start & stop push buttons (c) Ammeter (d) Single phase preventer (e) Voltmeter (f) Indicating lamps (g) MCB (h) Dry level guard sensor with control cable, etc.

S&F Impact Rotor Closed Case Pop Up Sprinkler of Five standard trajectory and two low angle (LA) color-coded nozzles for matched precipitation, arc adjustable from 20° to 340°, Radius: 17 to 18 feet, nozzle suitable for sufficient flow etc all as specified and directed by Engr-in-charge Make: Rain Bird/Hunter/Gardena

S & F swing joint for pop up sprinklers of suitable size for the item No128 above all as specified and directed by Engr-in-charge

S & F service saddle piece for swing joint & pop up sprinklers of suitable size for the item No 128 above all as specified and directed by Engr-in-charge

Supply and lay Pipe PVC Pipe confirming to IS 4985:2000 including fittings for jointing and jointing materials for the following size of pipe and working pressure all as specified and directed

PVC Pipe 63mm- 6Kg/Cm2

PVC Pipe 50mm- 6Kg/Cm2

PVC Pipe 40mm- 6Kg/Cm2

PVC Pipe 25mm- 6Kg/Cm2

S&F Rotational moulded polyethylene water storage tanks of capacity 2000 litres (cylindrical vertical with closed top) hoisted and fixed in position. The joints or connection to pipes shall be made with boiler screw, union, tee etc. all as specified and as directed Note: The rates includes ‘Hoisting and Fixing’ tanks for hoisting into position either inside or outside of building, connecting up pipes, securing access covers etc.

S&F the following materials at delivery flange and at suction side for the purpose of connecting monoblock pump set for pumping:- At delivery flange (i) PVC MTA (Male threaded Adapter) of suitable size for 3 HP Monoblock pump set - 1No (ii) PVC FTA (Female threaded Adapter) of suitable size for 3 HP Monoblock pump set -2No (iii) PTFE thread seal tape (Teflon tape) -2No (iv) PVC Tee-1No (v) PVC Hose nipple-1No (vi) Ball Valve - 1 No (vii) End cap - 1No At Suction side (i) GI of suitable size male connector hose nipple with MTP-1No (ii) PVC Flexible spiral rubbed suction hose pipe of suitable size-1No (iii) Flexible hose clamp-1No (iv) GI Male connector nipple-1No (v) Adhesive sealant

S&F of PVC Ball Valve suitable for 63mm dia pipe with security pivot to maintain lever in space, double water tight joint, direct injection stem non-mechanical, with a base which permits maximum penetration into the valve all as specified and directed.

S&F of a double acting 1" Air release valve conforming to relevant IS standard. The Air release valve shall be capable of both releasing and admitting air from and into the line. The working pressure shall be 5 bars complete all as specified and directed by Engr-in-charge

S&F of 10” Valve Box with green lid and corrugated structure with unique shovel access slot and bolt hole knockout all as specified and directed by Engr-in-charge

S&F of 6" valve box with green lid and corrugated structure with unique shovel access slot and bolt hole knockout all as specified and directed by Engr-in-charge

S&F of Quick coupling valve of size 63 mm made up of brass with necessary fittings all as specified and directed by Engr-in-charge

S&F of QRC key suitable for the Quick coupling valve of size 63mm with all necessary fittings all as specified and directed by Engr-in-charge

Supply, Fixing & commissioning of 63 mm Screen Filter with capacity 30 Cum/Hr having a suitable inlet connection, to create a helical effect in the incoming water, spinning particulate in suspension away from the filtering element to minimize cleaning frequency, 3/4" outlet for flushing at bottom of filter all as specified and directed by Engr-in-charge

S&F of control Valve 75 mm dia of approved quality in mainline for bypass and flow diversion all as specified and directed by Engr-in-charge

Supply, fabrication and installation of a cubical frame for a 3 HP Monoblock pump, made of 50mm x 50mm x 6mm angle iron. The frame dimensions are 800mm (L) x 600mm (W) x 600mm (H) including PCC Type D-2 1:4:8 (using 40mm graded stone aggregate) for foundation to support the cubical frame. The frame includes a CGI sheet of 0.5mm thick canopy installed with a proper slope for water drainage and the cubical frame will be painted with anti-corrosive paint to ensure durability etc complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover, class LV, Type 1 flat, size 250 mm x 150mm x 40mm all as specified and as directed.

Supply and lay XLPE cable insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100V grade with stranded aluminium conductor of size 25 Sqmm 4 core.

Supply and lay XLPE cable insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100V grade with stranded aluminium conductor of size 16 Sqmm 4 core.

Returning filling in excavated soil upto a depth of 30 cm after riddling of excavated soil (in lieu of sand) for cushioning of cable and refilling of trenches with left over normal excavated soil including spreading, levelling, watering and well ramming in layers complete all as specified and as directed by Engr-in-Charge.

Supply, installation and commissioning in repair LT out door loop in loop out terminal box with sloping canopy of size 600x450x250mm made out of 3 mm thick CRCA sheet duly painted with two coats of synthetic enamel paint over a coat of rex oxide primer, front and rear hinged doors mounted on 40x40x6 mm MS angle iron frame 90 cms height erected in ground with PCC foundation 1:4;8 with 40mm stone aggregate including supply and fixing insulated aluminium bus bar of size 50x 6mm for three phase and neutral 200mm length respectively mounted on insulators and terminating with suitable cable with glands and provision of one MCCB 63 Amps 4 pole ,415 Amps, 50 Hz of breaking capacity 16 KA as incomer including taking down old terminal boxes complete all as specified and directed by Engr-in-Charge.

Supply and fix modular switch 1 way SA 1 module type, 230 volts, ISI marked complete all as specified and as directed by Engr-in-Charge.

Supply and fix modular type Socket 6A 2/3 pin combined 2 module, multipurpose flush type, ISI marked Each directed by Engr-in-charge.

Supply and fix modular white cover plate with frame. 3 module ISI marked complete all as specified and as Each directed by Engr-in-charge

Supply and fix in-charge modular flush metal box 3 module ISI marked complete all as specified and as directed by Engr-in-charge.

Supply and fixing MCB Single pole. 230 volts, 6 to 32 Amps B' Curve 10 KA, including MCB Single pole and Each Neutral complete all as specified and as directed by Engr-in-charge.

M&L for sub-main wiring with two runs of 15 sqmm unsheathed PVC insulated, single core cable with copper stranded conductor FR drawn through and including suitable dia non metallic PVC conduit and conduit accesories concealed/fixed to wall/root/floor and including 1.5 sqmm FR copper earth wire all as specified and directed by Engr-in-charge. Note 2 runs of cable and one run earth wire and PVC conduit will be measured as one length

SRI AYYAPPA ENTERPRISES (BID ID -3123510)

EURO ENTERPRISES (BID ID -3126072)

Raghu M Contractor (BID ID -3126664)

Lakkaiah Rangaswamy (BID ID -3124881)

chowdeshwariconstructionco (BID ID -3126082)