Supplying, Installation, Testing & Commissioning of Mix-flow type Electric Pump Sets & equipments with all accessories etc. including development of Substation for New Pump House at Jahangirpuri drain near Gopalpur Regulator RD-1135m.- 1 Supplying, installation, testing and commissioning of totally enclosed fan cooled squirrel cage 3-Phase induction motor confirming to protection IP 55 Horizontal foot mounted suitable for open duct on 415+/- 10%, 3-Phase 50HZ +/- 5% AC supply with Ambient 50°C class F insulation 55 KW/75 HP , 6 Pole , 980 RPM with performance standard confirming to IS 12615 coupled with suitable size standard Coupling to MF 35x35 Size Pump set having 1400 m3/hr discharge at 10 mtr head and CI casing, SS Impeller, SS shaft, SS shaft sleeve with Gland packed shaft sealing complete with all standard accessories mounted on frame of suitable size with complete grouting or mounted on suitable cushyfoot vibration mounting pad completed etc. as required at site(Motor Make:- Kirloskar/Crompton/ A.B.B./ Siemens) (Pump Make:- Kirloskar/ Wilo/ Flowmore/KSB) 2 Supplying, installation, testing and commissioning of totally enclosed fan cooled squirrel cage 3-Phase induction motor confirming to protection IP 55 Horizontal foot mounted suitable for open duct on 415+/- 10%, 3-Phase 50HZ +/- 5% AC supply with Ambient 50°C class F insulation 75 KW/100 HP , 8 Pole , 740 RPM with performance standard confirming to IS 12615 coupled with suitable size standard Coupling to MF 40x45 Size Pump set having 2000 m3/hr discharge at 10 mtr head and CI casing, SS Impeller, SS shaft, SS shaft sleeve with Gland packed shaft sealing complete with all standard accessories mounted on frame of suitable size with complete grouting or mounted on suitable cushyfoot vibration mounting pad completed etc. as required at site(Motor Make:- Kirloskar/Crompton/ A.B.B./ Siemens) (Pump Make:- Kirloskar/ Wilo/ Flowmore/KSB) 3 Supplying , installation, testing and commissioning of Sound Proof Steel enclosure Water Cooled Engine coupled with Alternator 320KVA/256 KW silent DG Generator set including Base frame, Radiator/Heat Exchanger/Fuel Tank/ Control Panel /AMF panel, fuel piping foundation, all interconnections, loop Earthing, Silencer completed all as per CPWD/CPCB norms with standard accessories etc. as required.(Make:- Crompton Greaves/ Kirloskar/ Cummins or as approved by Engineer-in-charge) 4 M.S. Pipes:-Manufacturing , Supplying, erection & commissioning of Mild Steel ERW, (Electric Resistance welded) Pipe fabricated/manufactured out of Fe410 Mild Steel Grade 330 as per IS: 3589 of reputed & approved make , including painting with epoxy paint inside and outside surface with two coats of anticorrosive paint of approved brand and manufacture : all conforming to relevant IS codes: complete in all respect and with upto date amendments in relevant IS codes:(Pipe make:- Jindal/ Surya/ Tata or as approved by Engineer-in-charge)1200mm nominal dia pipes of 12mm thick complete as required at site. 5 350mm nominal dia pipes of 8mm thick complete as required at site. 6 400mm nominal dia pipes of 8mm thick complete as required at site. 7 450mm nominal dia pipes of 8mm thick complete as required at site. 8 MS Flanges:- Manufacturing, Supplying, fixing & welding of following sizes M.S. Flanges etc complete. as requiredat site. 1200mm dia. & 25mm thickness. 9 350mm dia. & 20mm thickness. 10 400mm dia. & 20mm thickness. 11 450mm dia. & 20mm thickness. 12 MS Bends:-Manufacturing, Supplying, fixing & welding of following sizes M.S. Bends etc. complete. as requiredat site. 1200mm dia. 13 350mm dia. 14 400mm dia. 15 450mm dia. 16 MS Dummy Flanges:-Manufacturing, Supplying & fixing of M.S. Dummy Flanges etc. of following sizes complete as required at site. 1200mm dia. & 25mm thickness. 17 350mm dia. & 16mm thickness. 18 400mm dia. & 25mm thickness. 19 C.I. Sluice Valves:-Providing & Fixing of following sizes Cast Iron Sluice gate Valve suitable for Pressure 1.0 PN complete in all respects as required at site. (Make: - Kirloskar/Kartar/Sant or as approved by Engineer-in-charge)350 mm nominal dia. 20 450 mm nominal dia. 21 C.I. Non Return Valves :-Providing & Fixing of following sizes Cast Iron Non Return Valve suitable for Pressure 1.0 PN complete in all respects as required at site. (Make: - Kirloskar/Kartar/Sant or as approved by Engineer-in-charge)350 mm nominal dia. 22 400 mm nominal dia. 23 Nut/Bolts/Washers:-Manufacturing & Supplying of Nuts,Bolts & Washers etc. of size 7/8 x 6 as required at site. 24 Rubber Gaskets:-Manufacturing, Supplying & Fixingof Rubber Gaskets of thickness 6mm or more for following sizes M.S. Pipelines Flanges as required at site.1200mm nominal dia. 25 350mm nominal dia. 26 400mm nominal dia. 27 450mm nominal dia. 28 Vaccum Pump:-Supplying, Installation, Testing and Commissioning of DV-50 Vaccum Pump sets having C.I. casing and C-40 shaft with 10 H.P. energy efficiency LV motor, 3 phase, 415volt 50hz, 1500RPM +/- 5%, TEFC induction motor mounted on suitable size M.S.base frame coupled on existing foundation withall accessories like ML 1.5 starter, anti vibration mounting pad, coupling, nut-bolts & packing etc. complete in all respect i/c providing, fitting & testing ofheavy class M.S. pipe of 50mm dia.of requiredlength with necessary Gate valve and mountings etc.for chargingof pump sets. ( Pump:- Kirloskar make or as approved by Engineer-in-charge) (Motor:- Kirloskar/Crompton /ABB or as approved by Engineer-in-charge) (Pipe make:- Jindal/ Surya/ Tata or as approved by Engineer-in-charge) 29 Supplying, installation, testing & commissioning of Energy efficient 630 KVA, 11/0.433 KV, 3 phase, 50Hz, Dyn11, outdoor ONAN type, copper wound Transformer with off load tap changing arrangement on HV side , Tapping range +5% to -10% in steps of 2.5%having Cable boxes on HV/LV side suitable for 3 x 240 Sq.mm. XLPE Cable of 11 KV grade with accessories, buckholz relay i/c first filling of filtered dehydrated oil and confirming to IS 335& Transformer losses as per IS 1180 level-2 & as per specification attached complete in all respects as required at site. • Max Continuous Rating = 630 KVA • Voltage Ratio = 11/0.433 KV• Tapping (Range/ Step) off Circuit Tap Changer = +5% to -10% in step of 2.5% off load • Insulation Class = A Class • Application of the Transformer = Distribution• Vector Group = Dyn 11• Temperature Rise at Rated Load over Ambient of 40°/50° C• Cooling = ONAN(Make:- Kirloskar/Schenider/ABB or as approved by Engineer-in-charge) 30 Supplying, Installation, Testing and Commissioning of Indoor Type Floor Mounted metal clad, 11KV VCB Panel with 1 No. VCB for ICOG System (Incoming-Outgoing System), Totally Enclosed. Horizontal drawout, Horizontal/Vertical Isolation type Breaker as per IS 13118 & as ammended upto date and additional specifications as mentioned below, manually charged and motorized /manually closing breaker suitable for use on 11 KV, 3 Phase, 50 Hz A.C. supply with short circuit fault level of 350 MVA, complete with self contained, fully interlocked, rack in and rack out mechanism, air insulated but encapsulated Aluminium Bus Bars of 800 Amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch of 4 NO+4NC and equipped with following switchgears and accessories i/c connections suitable for 3 x 95 sqmm XLPE 11 KV cable (cable entry frombottom/top/side) (MAKE:- Kirloskar/ L&T/ Crompton/Schenider)1. All CTs and PTs shall be cast resin type.2. 2. All PTs should be Fixed type.Detailed Specifications:-1 Nos. 800A TP Electrically drawout type Vacuum Circuit Breaker, 11KV, 20KA/3 seconds suitable for 630A TP, EDO, 18.4KA/1 second with following accessories:a)Spring Charge Motor, 240V A.C, Closing Coil 24V DC, Shunt Trip Coil 24V DC, Operation Counter with Mechanical ON/OFF Push Buttonb)Mechanical Indicator ON/OFF, Aux. Contacts 4NO + 4NC, Spring Charge/Discharge,Mechanical Spring Charging Device.c)Mechanical Emeregency Push Button2. 1 No. 11 KV / 110V PT class 0.5 accuracy and 100 VA burden with 1 No. voltmeter (0-15 kV), digital type, selector switch for voltmeter and protection fuses / MCB for HT metering up to 12 KV on incomer.3. 1 No. Microprocessor based numerical relay with O/L,E/F and S/C protection.4. 1 sets of 3 nos dual core dual ratio CTs 50/50/5/5A of 15 VA burden and accuracy class - 0.5 for metering and class 5P 10 for protection.5. Flush mounted Type High Speed Tripping Relay,6. Flush mounted Type DC Operated Auxiliary relay for Transformer Faults with Three Pair of Relay Element7. 1 Nos. Anti Pumping relay8. Annunciator Set 8 Window Type with Hooter for Fault Indication9. Supplying, Installation, Testing and Commissioning of Power pack with 220 volt AC input & 24 volt DC continuous output suitable for closing / tripping / indication of 1 No. HT Panel Boards with 2 Nos. 12 volts each maintenance free batteries of 100 AH each, charging unit, capacitor bank for emergency delivering for Trip system complete with suitable capacity of Ammeter & voltmeter i/c connections with 2.5 sqmm FRLS insulated copper conductor cable etc. as required. 31 Fabrication Supply Installation Testing and Commissioning of Main L.T Panel suitable for 415 Volt, 3 Phase 4 Wire System, 50Hz AC Supply. Panel Shall be fabricated out of 1.6MM thick CRCA Sheet for load bearing and non load bearing members, Gland Plate shall be fabricated out of 2MM thick CRCA Sheet. Panel shall be Powder coated with RAL 7032 Shade for Doors and Body and have suitable solid links for Incoming ond Outgoing of the ACB with Electrical Grade Aluminium of 1000 Ampere Capacity supported on DMC/SMC Bus Bar Supports. Earthing shall be done with 25 X 5MM G.I Strip running acroos the Panel Length. The Control Wiring for Metering and Display Instruments shall be done with PVC Insulated 1.1KV Grade multi stranded copper wire of 2.5 Sqmm. Proper Ventilation system for heat disipation shall be provided with Panel including ventialtion fan and louvers. The Panel Shall not be less than 1875 X 2000 X 750 m.m or Cm³(H,L&D) The Panel shall be fitted with the following switchgear & instruments as mentioned below:-Incoming:-a)1000A TP ACB, Manually Type with following protection features such as Overload and Shor Circuit protectionb)Digital Type Multifuntion Meter, bearing Cl 1 Accuracy without RS485 Portc)Phase Indication Lamps for R-Phase, Y-Phase and B-Phase, 240V A.Cd)ACB ON and OFF Indication Lampse)6A SP MCB, 10KA Breaking Capacity for Protection and Control Circuitf)1 Set of 1000/5 CT, CL-1.0, 15VA Burden Tape WoundOutgoing:-a)55KW Star Delta Starter with ML4 contractors and 200A TP MCCB 36KA Breaking Capacity with suitable Handle and Spreaders: 4 Nosb)30KW Star Delta Starter with ML3 contractors and 200A TP MCCB 36KA Breaking Capacity with suitable Handle and Spreaders: 4 Nosc)400A TP MCCB, 36KA Breaking Capacity having Thermal Magnetic Release with O/L and S/C Protection : 4 Nosd)200A TP MCCB, 25KA Breaking Capacity having Thermal Magnetic Release with O/L and S/C Protection : 1 Nos.e)125A TP MCCB, 25KA Breaking Capacity having Thermal Magnetic Release with O/L and S/C Protection : 1 Nos.f) 100A TP MCCB, 25KA Breaking Capacity having Thermal Magnetic Release with O/L and S/C Protection : 4 Nos. 32 Supplying, installation, testing & commissioning of Cubical Type Phase sequence corrector suitable for 415 Volt, 3 Phase 4 wire, 50 Hz AC supply system fabricated in compartmentalized design from 2mm thick CRCA sheet of size for frame work and covers, having Gland plate less than 3mm including cleaning and finishing complete with powder coating in approved shade, having links not less 600A capacity. the Bus Bar support (wherever required) with short curcuit withstand capacity of 31 MVA for 1 sec.Entire panel shall have a common Earth Bus of suitable size at the Rear with 2 Nos. Earth stud, solid connections from main Bus Bar to switch Gears with requires size of Aluminium Bus Bar (wherever required) and control wiring shall be done with 2.5 sq.mm PVC insulated copper conductor single core cables. Including providing and fixing the following switch Gear.A) Materiala) 580A Three Pole Power Contactors, AC3 Duty, Coil voltage 220 V A.C: 2 Nos. (Make:- ABB/L&T/C&S)b) LED type indication Lamps RYB (3 set) Aux. Supply: 220V A.Cc) Control Miniture Circuit Breaker (3 Nos.) SP, 10KA : 6Ad) Single Phase Digital Type Ampere Metre, 3 Phase 4 wire system, Flush type 96 Sq.mm. (1 Nos.) Class-1 accuracy, CT-Input-5A, Aux. Volt-220V,ACe) Ampere Selector Switch (1No.) Rating : 6Af) Single Phase Digital Type Volt Metre, 3 Phase 4 wire system, Flush type 96 Sq.mm. (1 Nos.) Class-1 Accuracy, Range:- 0-500 V, Aux. Volt:220V, A.Cg) Voltage Selector Switch (1No.) Rating : 6Ah) Current transformer 600/5A, Single Ratio, Single Core, 1Ø (3 Nos.) , Tape wound, CL-1.0 & 15VAi) LED type Indication LampsON/OFF (2 set) Aux. Supply: 220V A.Cj) Auto/ Manual selector switch (2 Nos.), Rating : 6Ak) Phase Sequence correction relay (1 Nos.) Aux Volt :220V, A.Cl) Audio Indication for Phase sequence Reversal(1 Nos.) Hooter : 220V A.C.m) On Delay Timer (1 Nos.) Aux Volt :220V, A.C 33 SITC of 200KVAR APFC Panel made out of 1.6mm Thick CRCA Sheet duly powder coated complete with suitable size of Al. Bus Bars & internal wiring with suitable size of Copper wire including Providing and Fixing following Switchgear and Metering instruments complete as required. Panel size shall not be less than 1575m.m or Cm³*1900*350.. the Capacitors Shall be Divided as per the mentioned Pattern for 200KVAR SystemA) MaterialMain Incomer:-a) 400A TP MCCB, Thermal based Release with O/L & S/C Protection: 1 Nos.b) Rotary Operating Mechanism: 1 Nos.c) Phase Spreaders: 1 Setd) 12 Stage APFC Relay, Microprocessor Based, with Different Display Parameters.e) Phase Indication Lamps, 220V-240V AC : 3 Nos.2) Outgoing:-a) 63A TP MCCB, Thermal Magnetic Release with O/L & S/C Protection, with ROH and Spreaders: 6 Nosb) 40A TP MCCB, Thermal Magnetic Release with O/L & S/C Protection, with ROH and Spreaders: 2 Nos.c) 25A TP MCCB, Thermal Magnetic Release with O/L & S/C Protection, with ROH and Spreaders: 2 Nos.3) 200 KVAR Capacitor, MPP and Cylindrical Type:-a) 25KVAR Capacitor Bank: 6 Nos.b) 15KVAR Capacitor Bank: 2 Nos.c) 10KVAR Capacitor Bank: 2 Nos.4) Capacitor Duty Contactors of Various Ratings for Capacitor Switching:-a) Capacitor Duty Contactors for 25KVAR Cap. Bank , MOC 25 or Equivalent : 6 Nosb) Capacitor Duty Contactors for 25KVAR Cap. Bank , MOC 15 or Equivalent : 2 Nosc) Capacitor Duty Contactors for 25KVAR Cap. Bank , MOC 10 or Equivalent : 2 Nosd) Side Mounting Block : 10 Nose) Push Button with Element Set for Manual Start & Stop of Capacitor Bank : 10 Setsf) Indication Lights for Capacitor ON Indication : 20 Nos.g) 4 Ventilation Fans with Louvers for Cross Air Ventilation : 1 Nosh) Auto/Manual Selector Switch for Auto/Manual mode of Operation : 1 Nos. 34 Copper Conductor LT Cables:-Supplying, Laying and fixing of following sizes P.V.C. insulated and P.V.C. sheathed/ XLPE CopperConductorarmoured Cable of 1.1 KV grade as per IS:1554 or amendment up-to-date on surface including connection making, taping etc. complete as required. (Make:- National/Grandlay/ Glouster/ Poly-Cab/ Havells/ Phinolex or as approved by the Engineer-in-charge)4C x 10 sqmm. 35 4C x 120 sqmm 36 4C x 150 sqmm 37 Aluminium Conductor LT Cables:-Supplying, Laying and fixing of following size P.V.C. insulated and P.V.C. sheathed/ XLPE AluminiumConductorarmoured Cable of 1.1 KV grade as per IS:7098 or amendment up-to-date on surface including connection making, taping etc. complete as required. (Make:- National/Grandlay/ Glouster/ Poly-Cab/ Havells/ Phinolex or as approved by the Engineer-in-charge)3.5C x 300 sqmm 38 3.5C x 150 sqmm 39 Aluminium Conductor HT Cables:-Supplying, Laying and fixing of following size P.V.C. insulated and P.V.C. sheathed/ XLPE AluminiumConductorarmoured Cable of 11 KV(E) grade as per IS:7098 or amendment up-to-date on surface including connection making, taping etc. complete as required. 3.5C x 300 sqmm(Make:- National/Grandlay/ Glouster/ Poly-Cab/ Havells/ Phinolex or as approved by the Engineer-in-charge) 40 Supply and making outdoor end termination with cast resin compound including aluminium lugs and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.4 x 16 sq. mm 41 4 x 35 sq. mm 42 4 x 10 sq. mm 43 Supply and making outdoor end jointing with cast resin compound including aluminium lugs and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 11 KV grade as required.3C x 300 sq. mm 44 Supplying & fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 volts, on surface/recess, complete with tinned copper busbar, neutral busbar, earth busbar, din bar, detachable gland plate, interconnections, phosphatized and powder painted including earthing etc. as required (But without MCB/RCCB/Isolator) 6 way, Double door 45 8way, Double door 46 Supplying and fixing metal box of 100mm x 100mm x 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc as required. 47 Supplying, installation, testing & commissioning of energy efficient LED Flood light luminaries of system wattage 72 watt complete with mounting brackets & accessories i/c connections complete as required.(Make:- Bajaj/Philips/Crompton/Halonix) 48 Supplying and fixing followingpiano type switch/socket on the existing switch box/ cover including connections etc. as required. 5/6 amps switch 49 15/16 amp switch 50 3 pin 5/6 amp socket outlet 51 6 pin15/16 amp socket outlet 52 Supplying and fixing (two module) stepped type electronic fan regulator on the existing modular plate switch box including connection but excluding modular plate etc. as required. 53 Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, C curve, , miniature circuit breaker suitable for inductive load of folloeing poles in the existing MCB DB complete with connections, testing and commissioning etc. as required Single pole 54 Single pole and neutral 55 Wiring for light point/fan point/exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVS insulated copper conductor single core cable in surface/recessed medium class PVC conduit, with modular plate, sitable GI Box and earthingthe point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required.(Group C) 56 Wiring for circuit/ sub main wiring along with earth wire with the following sizes of FR PVC insulated copper conductor, single core cable in surface/ recessed PVC conduit as required.2x2.5 sq.m + 1x2.5 sq.m earth wire 57 2 x 4 sq. mm +1 x 4 sq.mmearth wire 58 Supplying, installation, testing and commissioning ofHeavyduty following sizes exhaust fan 900 RPM totally enclosed heavy duty motor with die castaluminium rotor suitable for operation on 240 volts 50 Hz AC single phase Supply including installation of exhaust fan in the existing opening, making good the damages as required. .(Bajaj, Usha, Khaitan, Havells, Orient ) or as approved by Engineer-in-charge.450 mm Sweep 59 Supplying, installation, testing and commissioning of 1200 mm sweep AC electric ceiling fan capacitortype with double ball bearing complete with down rod, canopies, shackles, blades but without regulator suitable for operation on 230/240 volts, 50 Hz single phase AC supply including wiring the down rod of standard lenth up to 1 mtr with 2x1.5 sq. mm PVC insulated copper conductor with fan sheet etc. as required.(Make:- Bajaj/ Usha/ Khaitan/ Havells/ orientor as approved by Engineer-in-charge) 60 Supplying, installation, testing & commissioning of prewired Indoor decorative 18/20 watt LEDbatten extruded aluminum housing& opal diffuser. IP20 complete with all accessories including connection making etc. as required. (Make:- Bajaj/ Halonix/ Havell’s/ Crompton/ Phillipsor as approved by Engineer-in-charge) 61 Supplying and fixing of following size P.V.C. insulated sheathed /XLPE Aluminum conductor cable of 1.1 KV Grade armoured as per IS:7098 on surface as required. (National,Grandlay, Glouster, Poly-Cab, Phinolex or as approved by Engineer-in-charge). 2 x 10 sq.mm 62 Earthing with G.I earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/coke and salt as required. 63 Providing and fixing 25 x 5 mm G.I.strip on surface or in recess including connection etc. as required. 64 Providing and laying 6 SWG G.I wire on surface or in recess for loop earthing along with existing surface/recessed/conduit/submain wiring/cable etc. as required. 65 Supplying, Installation, Testing and commissioning of 7.5 Tonne capacity Single Girder E.O.T. Crane comprising of Main Girder, End carriages -02 nos with long travel motors – 02 Nos, 01 Nos 5 Tonne capacity Wire Rope Electric Hoist, pendant controlled along with brakes, limit switches and electric panel. All motors i.e. Hoisting/ Lowering, cross travel and long travel shall be compatible with VVVF drive and the speeds can be adjusted from zero to maximum speed. The complete system includes erection of columns, LT Girders, LT rail/ Sq Bar, 01 no DSL system (Shrouded type)(MAKE: - GLOBE/ WH BRADY/ GARLIC) 66 Supplying, Installation, Testing and commissioning ofNew Generation Energy Saving & Environment friendly long versatile pressure die cast aluminium IP 66 roadway luminaire with high power 150 Watt LED street lights complete with all accessories etc. as required.(Make:- Phillips/Bajaj/Crompton/Halonix/ Havells or as approved by Engineer-in-charge) 67 Supplying, Installation, Testing and commissioning ofNew Generation Energy Saving & Environment friendly long versatile pressure die cast aluminium IP 66 roadway luminaire with high power 100 Watt LED Flood lights complete with all accessories etc. as required.(Make:- Phillips/Bajaj/Crompton/Halonix/ Havells or as approved by Engineer-in-charge). 68 Fabrication & installation of S.S. Bar Screen/ Jaal inside Suction side of Pump Sump in slightly inclined position of required height with M.S. Platform etc. for ease of removal of foreign materials, hyacinth, jute, bags etc. from the suction side completed etc. as required at site.Construction, maintenance and subsequent removal of earthen bundies including cost of excavation earth filling of E.C. bags with earth, stitching and placing in position for care and diversion of all kinds of water entering or flowing in the drain and pumping out surface as well as under groung seepage water to keep the construction area completely dry for execution of entire work including its execution of work in or under water and or liquid mud wherever required with round the clock watch & ward/maintenance of earthen bundies to keep the working area/site dry complete as per specification & direction of Engineer-in-charge. 69 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars of grade Fe-500 D or more. 70 Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete. 71 Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cementconcrete work including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering, shuttering finishing and reinforcement including cost of admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. (Note :- Cement content considered in this item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/recoverableseparately). All works upto plinth level. 72 Steel work welded in built up sections/ framed work, including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 73 Providing and fixing stainless steel ( Grade 304) railing made of Hollowtubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in-charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as Nuts, Bolts,fasteners etc.).