Construction Of Sump Well Pump Room And Sitc Of Rotary Lobe Pump Sets Along With Related Eandm Equipments At Rahim Khan Road Nizamuddin East New Delhi Under Ser-1 Civil And Electrical Work-SH-I Pump Set WorkSupplying, installation, testing and commissioning of Positive displacement Rotary Lobe Pump for draining/dewatering of storm water/sewer water compatiblefor VFD (variable frequency drive) having minimum discharge 500 m3 /hr at 68Hz and 170 m3/hr at 25 Hz for 10 mtr. head and 5 mtr. suction Lift capacity complete withGeared Motorwith minimum power 45 kW/60 HP, 4 Pole suitable for operation on 415 Volt 50 Hzas per additional specification etc. as required. 2 Supplying, fabrication & installation of45KW VFD AUTO CONTROL PANEL made out of CRCA sheet steel of thickness 2mm for load bearing members, 1.6mm for non load bearing section with necessary stiffeners as required. 3 Supplying, fixing, testing & commissioning of double flanged sluice valve of rating PN 1.6 with non rising spindle, bronze/gun metal seat, ISI marked complete with nuts, bolts, washers, gaskets and conforming to IS 780 of following sizes as required: 4 250 m.m dia 5 Providing, installation, testing and commissioning of non-return valve of following sizes confirming to IS: 5312 complete with rubber gasket, Gl bolts, nuts, washers etc.as required: 6 250 m.m dia 7 Providing, laying, testing & commissioning of C class heavy duty MS pipe conforming to IS 3589/IS 1239 including Welding, fittings like elbows, tees, flanges, tapers, nuts bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required: 8 40 mm dia 9 80 mm dia 10 250 mm dia (wall thickness 6.3 mm) 11 450 mm dia (wall thickness 7.0 mm) 12 Fabrication, Supplying, Installation Testing & commissioning of automatic motorised Mechanical Coarse Bar Screen Suitable for channel dimension:i) Channel width: 1000mmii) Channel Depth: 3500 mmiii) Water Depth: 1500 mmiv) Bar Spacing: 20 mmv) Bar size : 12X6X50 mm vi) Angle: 75 Degreevii) MOC: SS304 Peak Flow/ Screen: 27MLDi/c Supplying, Installation, Testing & commissioning of 1No relay based control panel made out of 2mm thick CRCA sheet for 2Nos. Mechanical Coarse Bar Screen & 1No.Belt Conveyor etc. complete as required. - 13 Supplying, Installation, Testing & commissioning of Differential Level Sensorcomprises of Two Ultrasonic Level Sensors and One Differential Transmitter for Mechanical coarse bar screenetc. complete as required. 14 Supplying, Installation Testing & commissioning ofBelt Conveyor of size 600 mm width and2000mm Length i/c accessories for screen etc. complete as required. 15 Supplying, Installation Testing & commissioning of Gate Assy FG A101 Cast Iron Side Wall Embedded Oen Channel Gate (101) Size: 1000(W) X 1000 (H) mm Suitable for 1.75 m Seating water head (From invert Level) , Flush Bottom Closure Arrangement , Manually operated, Close Top Frame Gate etc. complete as required. 16 Supplying, Installation Testing & commissioning of Ultrasonic Level Transmitter with 4 ANSI PP Flange etc. complete as required. 17 Supplying, Installation Testing & commissioning of Local Control Stations for Pump Motors having following accessories i/c making connections etc. complete as required:a)DP MCB, 10kA, C-Curve for Control, 6A;: 1 No.b)Ampere meter, SIF-96, CI-1, Aux Supply 230V AC; 4-20mA I/P;1 No.c)Indicating Light-RED for ON;1 No.d)Indicating Light-AMBER for TRIP;1 No.e)Push Button with 1 NO contact - GREEN for VFD START;1 No.f)Push Button with 1 NC contact - RED for VFD STOP;1 No.g)Push Button with 1 NC contact - Mushroom head RED;1 No.h)Thermistor Relay 252 PMTG;1 No.i)Control Terminals, 2.5 sqmm; 6A;22 Nos. 18 SH-II Diesel Generator SetSupply, installation, testing and commissioning of Silent Type, CPCB IV + emission compliants Diesel Generating set having Prime Power Rating of 200 KVA, at 1500 RPM, 0.8 lagging power factor at 415V suitable for 50 Hz, 3 Phase system & for 0.85 Load Factor with all necessary equipments and accessories and consisting of followings :(a)Diesel EngineDiesel engine 4 stroke water cooled, electric start, of suitable BHP at 1500 RPM suitable for above output of alternator at 40 degree C, 50 % RH & at 1000 meterMSL and conforming to BS 5514, BS 649, IS 10000(amended upto date), capable of taking 10 % overloading for 1 hourafter12hourofcontinuousoperation.Theenginewillbefittedcompletewithall accessories as per specifications .(b)Enginemountedinstrumentpanelfittedwithandhavingdigitaldisplayforthe following :-(i) Start stop switch with Key (ii) Water temperature indication (iii) lubrication oiltemperatureindication(iv)lubricationoilpressureindication(v) Batterycharging indication (vi) RPM indication (vii) Over speed indication (viii)Low lube oil trip indication(ix) Engine hour indication. 19 (c)AlternatorSynchronous alternator rated at 200 KVA, 415V, at 1500 RPM, 3 Phase, 50Hz, AC Supply with 0.8 lagging power factor at 40 Degree C, 50% Relative Humidity & at 1000m above MSL. The alternator shallbehavingSPDPenclosure,brushless,continuousduty,self-excitedandself-regulatedthrough AVR, confirming to IS: 4722 /BS : 2613suitable for tropical conditions and withF/H insulation.(d) Base Frame &foundation: Both the Engine & alternator shall be mounted on suitable baseframemadeofMSchannelwithnecessaryreinforcementwhichshallbeinstalledon suitablecementconcretefoundationandvibrationisolationarrangementasper recommendations of manufacturer.(e) Fuel Tank : Daily service fuel tank ofminimum 385 Ltr capacity fabricated out of 3mm thick MS sheet complete with all standard accessories and fuel piping between fuel tank & diesel engine with MS class C Pipe of suitable dia complete with valves, level indicators, and accessories as required as per specification.(f) Exhaust System : Dry exhaust manifold withsuitable exhaust residential gradesilencer . 20 (g) Starting system : 24V DC starting system comprising of starter motors, voltage regulator and arrangementforinitialexcitation,completewith suitableno. of batteries(25Plates,180 AmpsHour Capacitylead acid type) as required as per specification.(h) Acoustic Enclosure : Acoustic and weather proof enclosure with arrangement for fresh airintakeforcoolingoftheengineandalternator,extractiondischargeofhotairinto atmosphere as per specifications. 21 AMF Panel(i) Fabricating,Installation, Testing & Commissioningofautomaticmainsfailurecontrolincludingautobypasspanel,suitable for 200 KVAsilenttypeDGsetcompletewithrelays,timers,setofCTs,formeteringand protection and energy analyser to indicate currents, phase and line voltages, frequency, power factor, KWH, KVARH& Provision for overload, short circuit, restricted earth fault, under frequency, control cabling from AMF panel to Diesel Engine and elsewhere, if required, all complete and interlocking including the following :-(a) 3 nos. 400 A 36KA, 4 Pole with thermo-magnetic release double break MCCBwith O/L,S/C & E/Fprotection with Aux . And trip contact and shunt release.(b)Auto / manual /test/off selector switch.(c) 2 nos. over voltage relay, 2 nos. reverse power relay and 2 nos. under voltage relay.(d)1 no. Auto mains failure relay(e) 3 sets of current transformer15P 10 accuracy for protection andclass 1, 15VA class-Ifor metering and. AMF Relay.(f) Energy analyzer unit to indicate current, voltage, frequency power factor and KWH.(g) Indicating lamps for load on mains and load on set.(h) Fuse for instruments.(i) Battery charger, complete with all accessoriesand Ammeter,voltmeter etc. 22 (j) Supply failure& restoration timer(k) Main supply failure monitor(l) Control unit with three impulse automatic engine start/stop and failure to start lock out.(m) Impulse counter with locking and reset facility.(n) ON/OFF/Control circuit switch with indicator.(o)Aux. contactor 2NO+2NC(p) Audio/Video annunciation for :(i) High water temperature.(ii) Low lubricating oil pressure.(iii) Engine over speed(iv) Engine fails to start.(v) Full load/ Maximum load warning. 23 Main LT PanelSupplying, installation, testing & commissioning of LT panel of minimum front area 3.15 sq. mtr. and depth not less than 45 cm, made out ofCRCA Sheet Steel 2mm for section with necessary stiffeners as required. Free standing, self supported, floor mounting, single front, indoorinstallation, non draw out and compartmented. ISMC-100 fabricated channel frame with undrilled holes.Bottom with undrilled detachable 3mm gland plate as per order .Welding will be carried out with no external deposition of welded material in particular places and there will not be any gap between the welded materials.Siemens Grey RAL 7032CRCA Structures shall be pre-treated in seven tank chemical process, heated in baking oven.Minimum 60 micron of approved shade (RAL-7032).230V AC for Main LT Panel and Other Panels415+/- 5% , 50Hz+/-5%, 3 Phase 4 Wire 50KA – 1 Sec TPN Aluminum Electrolytic Grade ( E-91E) busbar shall be provided as per suitable sze, duly supported on SMC/DMC, busbar supports & insulated with color coded heat shrinkable sleeve. Power wiring will be through Vertical Bus -Bar and 1.1 KV grade PVC multistrand copper flexible cable . All control wiring will be done by 1.5 sq mm copper flexible PVC multi strand wire. CT wiring shall be carried out with 2.5 sq mm copper flexible PVC multistrand wire.1. All R,Y,B,N phases will be Red, Yellow , Blue & Black 2.All control wiring will be Grey colour. Earthing shall 24 be be with Green color wire.3.C.T. - Wiring through Red, Yellow, Blue, Black coloured wiring with shorting link type terminals.EPDM gasket provided at all joints, doors & covers to make panels dust & vermin proof (IP-52)Section-I(a) INCOMER :-1No. 4nos. 400 A 36KA, 4 Pole with thermo-magnetic release double break MCCBwith O/L,S/C & E/Fprotection with Aux . And trip contact and shunt release. Ics=100%Icu i/c extended rotary handle and spreaders and all required accessaries Digital 96 mm square flush pattern type Voltmeter (0-500 V) with selector switch & back up HRC fuses/MCBs … complete 1 set.Digital 96 mm square flush pattern type Ammeter (0-400 Amp)with selector switch and one set of 3 Nos. CTs of ratio 400/5A class 1 accuracy and 10 VA burden - 1 set.Indicating lamp On, OFF, TRIP /R/Y/B/Ready to close…complete 1set(b) 400 AOnload Change over SwitchIcs=100%Icu i/c extended rotary handle and spreaders and all required accessories- 1setIndicating lamp On, OFF, TRIP /R/Y/B/Ready to close complete 1set(c) OUT GOINGS:- 4Nos. 100A FP MCCB ( 25kA) with thermo-magnetic release i/cextended rotary handle & spreaders. Ics=100%Icu etc complete as reqd. 25 Digital 96 mm square flush pattern type Voltmeter (0-500 V) with selector switch etc complete 1 set.Digital 96 mm square flush pattern type Ammeter (0-400 Amp)with selector switch and one set of 3 Nos. CTs of ratio 400/5A class 1 accuracy and 10 VA burden - 1 set.Indicating lamp On, OFF, TRIP /R/Y/B/Ready to close…complete 1set3 Nos. 63A FP MCCB ( 25kA) with thermo-magnetic release i/cextended rotary handle & spreaders. Ics=100%Icu etcwith indicating Lamps complete as reqd. 26 SH-III EI Work Supplying & Laying of one number PVC sheathed XLPE insulated power cable of 1.1 KV grade of following size on cable tray as required. 27 3.5 x 240 Sq.mm XLPE Al Conductor Armoured Cable (clamped with 40x3mm MS flat clamp) 28 3 X 50 sq mm (clamped with 25x3mm MS flat clamp) 29 Supplying, Laying and fixing of XLPE insulated and PVC sheathed aluminium conductor armoured Power Cableof 1.1 KV grade of following sizes on wall surface etc. as required. 30 4X25 Sq. mm. (clamped with 1mm thick saddle) 31 Supplying & Laying and fixing of one number PVC sheathed XLPE insulated power cable of 1.1 KV grade of following sizedirect in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. 32 3.5 x 240 Sq.mm XLPE Al Conductor Armoured Cable 33 Supplying and Laying of XLPE insulated and PVC sheathed Copper conductor armoured Power Cable of 1.1 KV grade of following size on cable tray as required. 34 4x4 Sq.mm. 35 Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 kV grade as required. 36 3½ X 240 sq. mm (62mm) 37 3 X 50 sq. mm (32mm) 38 4 X 25 sq. mm (28mm) 39 Supplying and drawing following size of PVC insulated copper conductor multicore cable of following size on cable tray as required. 40 10 core 1.5 sq.mm 41 24 core 0.5 sq.mm 42 4 core 0.5 sq.mm 43 2 core 1.5 sq.mm 44 6 core 0.5 sq.mm 45 3 core 0.75 sq.mm 46 Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray (galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required. 47 100 mm width X 50 mm depth X 1.6 mm thickness 48 450 mm width X 50 mm depth X 2.0 mm thickness 49 EarthingEarthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. 50 Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. 51 Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode includingconnectionwithbrassnut,bolt,spring,washerexcavationandre-fillingetc.as required. 52 Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required. 53 Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode includingconnectionwithG.I.nut,bolt,spring,washerexcavationandre-fillingetc.as required. 54 Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. asrequired. 55 Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required. 56 Group C 57 Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required. 58 3 x 4 sq. mm 59 Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess including painting in case of surface conduit, or cutting the wall and making good the same in case of recessed conduit as required. 60 25 mm 61 Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 & 15/16 amps modular socket outlet and 15/16 amps modular switch, connection etc. as required. 62 Supplying and fixing 3 pin, 5 amp ceiling rose on the existing junction box/ wooden block including connection etc as required. 63 Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator) 64 4 way (4 + 12), Double door 65 Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, C curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. 66 Single pole 67 Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required. 68 63 amps 69 Supplying, Installation, testing & commissioning of weather proof LED Corrosion resistant battentype LED fitting of following wattagewith IP65 body made out of polycarbonate housing & opal diffuser with better thermal managementCCT-5700°KLumen Efficacy ≥110 Lm/W Power Factor≥ 0.95, CRI≥70, with constant current driver etc. complete as reqd. 70 36 Watt (4 feet ) 71 SITC of 450 mm heavy duty Exhaust Fan 1400 RPMsingle phase 240 Volt 50 Hz in the existing opening, complete with heavy duty louver/ shutter i/c making the hole to suit the size of the above fan, making good the damages, connection, testing, commissioning & earthing etc. as required 72 SITC of 600mmwall mounted fan having 3 nos. of blades, 1440RPM etc complete as reqd. 73 SH-IV AMCAMC for pump sets, Motor control panel and other accessories starting after satisfactory completion defect liability period from date of completion and commissioning of the pumping system.Annual Comprehensive maintenance for all 3 Nos. Pump sets, Motor, VFD Auto control panel, Mechanical Course Bar Screen, Differential Level sensor, Ultra Sonic Level Transmeter, Belt conveyor, Gate assembly including all accessories and consumables etc. all complete and as per site requirement as per Engineer-in-charge. 74 For 1st Year (Free Maintenance period) 75 For 2nd Year 76 For 3rd Year 77 Comprehensive maintenance of 200 KVA Silent type DG Set with AMF Panel. Annual Comprehensive maintenance of 200 KVA DG set and its accessories with AMF Panel i/c repairing, servicing, cleaning, checking and Descaling with replacment of following consumable parts i.e oil filter, fuel filter, air filters, coolant, lube oil, coolant filter, battery water, V Belts and batteries etc. complete and as per site requirement as per Engineer-in-charge. 78 For 1st Year (Free Maintenance period) 79 For 2nd Year 80 For 3rd Year 81 Civil WorkDemolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. 82 Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) 83 Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge. 84 All kind of soil. 85 Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lift. 86 Providing and laying in position ready mixed or site batched design mix cement concrete for plai plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/ Ordinary Portland/Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads: but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete.Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. 87 Concrete of M10 grade with minimum cement content of 220 kg /cum 88 Centering and shuttering including strutting, propping etc. and removal of form for all heights : 89 Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. 90 Suspended floors, roofs, landings, balconies and access platform 91 Lintels, beams, plinth beams, girders, bressumers and cantilevers with water proof ply 12 mm thick 92 Edges of slabs and breaks in floors and wallsAbove 20 cm wide 93 Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work;usingcoarse aggregate and fine aggregate derived from natural sources,Portland Pozzolana / Ordinary Portland /Portland Slagcement,admixtures in recommended proportions as per IS: 9103 to accelerate /retard setting of concrete, to improve durability andworkabilitywithout impairing strength; including pumping of concrete to site of laying, curing,carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge;for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately.In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.All works upto plinth level Concrete of M25 grade withminimum cement content of 330 kg /cum 94 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. 95 Thermo-Mechanically Treated bars of grade Fe-500D or more. 96 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : 97 Cement mortar 1:4 (1 cement : 4 coarse sand) 98 12mm cement plaster of mix 1:4 (1cement:4 fine sand). 99 15 mm cement plaster on rough side of single or half brick wall of mix: 1:4 (1 cement: 4 coarse sand) 100 Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. 101 Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour : 102 New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than50 gram/litre 103 Excavating trenches of required width for pipes, cables, etc, including excavation for sockets, depth upto 1.5 m, including getting out the excavated materials, returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layers by ramming, watering etc., stacking serviceable material for measurements and disposal of unserviceable material as directed, within a lead of 50 m :Ordinary roack 104 Pipes, cables etc. exceeding 300 mm dia but not exceeding 600 mm 105 Providing and fixing soil, waste and vent pipes : 100 mm dia. : 106 Sand cast iron S&S pipe as per IS: 1729. 107 Providing and fixing mirror of superior glass (of approved quality) and of required shape and size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing : 108 Circular shape 450 mm dia 109 Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required: 110 White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests 111 Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require: 112 White Vitreous China Wash basin size 550x400 mm with a pair of 15 mm C.P. brass pillar taps 113 Providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete.100 mm : 114 Sand cast iron S&S as per IS - 1729 115 Providing and fixing plain bend of required degree : 100 mm 116 Sand cast iron S&S as per IS - 1729 117 Providing and fixing single equal plain junction of required degree: 100x100x100mm, 118 Sand cast iron S&S as per IS-1729. 119 Providing and fixing terminal guard: 100mm : 120 Sand cast iron S&S as per IS:1729. 121 Providing and fixing collar:100mm : 122 Sand cast iron S&S as per IS:1729. 123 Providing lead caulked joints to sand cast iron/centrifugally cast (spun) iron pipes and fittings of diameter : 124 100mm : 125 Providing and fixing trap of self cleanising design with screwed down or hinged grating with or without vent arm complete, including cost of cutting and making good the walls and floors : 100mm inlet and 100mm outlet : 126 Sand cast iron S&S as per IS:3989. 127 Providing and fixing PTMT 15 mm Urinal spreader size 95x69x100 mm with 1/2 BSP thread and shapes. Weighing not less than 60 gms. 128 Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc : Externalwork : 129 25mm dia nominal bore. 130 Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing Tees including cutting andthreading the pipe etc. complete : 131 25 to 40mm nominal bore. 132 Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc : Externalwork : 133 32mm dia nominal bore. 134 Providing and fixing C.P. brass bib cock of approved quality confirming to IS :8931 : 135 15mm nominal bore. 136 Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make confirming to IS:8931 : 137 15mm nominal bore. 138 Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 139 25mm nominal bore. 140 Providing and fixing ball valve (brass) of approved quality, High or low pressure with plastic floats : 141 25mm nominal bore. 142 Providing and fixing brass ferrule C.I. mouth cover including boring and taping the main : 143 25mm nominal bore. 144 Providing and fixing unplasticised PVC connection pipe with brass unions : 45cm length : 145 15mm nominal bore. 146 Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. 147 Providing and fixing PTMT grating of approved quality and colour : Circular type : 148 100mm nominal dia. 149 Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying a priming coat of approved steel primer : E.R.W. tubes. 150 Providing and laying Vitrified tiles in floor in different sizes (thickness to be specified by the manufacturer)with water absorption less than 0.08% and conforming to IS:15622, of approved brand & manufacturer, in all colours and shade, laid on 20 mm thick cement mortar 1:4 (1 cement: 4 coarse sand)jointing with grey cement slurry @3.3 kg/sqm including grouting thejoints with white cement and matching pigments etc. The tiles must be cut with the zero chipping diamond cutter only .Laying of tiles will be done with the notch trowel, plier, wedge, clips of required thickness, leveling system and rubber mallet for placing the tiles gently and easily. 151 Size of tile600x600mm. 152 Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion.(i) Single socketed pipes.Single socketed pipes : 153 110mm diameter. 154 Providing and fixing on wall face unplasticised –PVC moulded fittings / accessories for unplsticised rigid PVC rain water pipes confirming to IS:13592 Type A including jointing with seal ring confirming to IS:5382 leaving 10mm gap for thermal expansion : Bend 87. 5° : 155 110mm bend. 156 Providing and fixing on wall face unplasticised –PVC moulded fittings / accessories for unplsticised rigid PVC rain water pipes confirming to IS:13592 Type A including jointing with seal ring confirming to IS:5382 leaving 10mm gap for thermal expansion : Shoe (Plain) : 157 110mm Shoe. 158 Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : 159 Two or more coats on new work. 160 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 : 161 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. 162 Providing and laying in position ready mixedor site batched design mix cement concrete for plain cement concrete work;usingcoarse aggregateandfine aggregate derived from natural sources and usingrecycled concrete aggregate (RCA)as coarse aggregate and fine aggregate within thepermissible utilization,PortlandPozzolana / Ordinary Portland/Portland Slag cement,admixtures in recommended proportions as per IS: 9103 to accelerate /retard setting of concreteto improvedurability andworkabilitywithout impairing strength;including pumping of concrete to site of laying, curing,carriage for all leads; but excluding the cost of centering, shuttering and finishingas per direction of the engineer-in-charge; for thefollowing grades of concrete.Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.All works upto plinth level 163 Concrete of M25 grade with minimum cement content of 300 kg /cum.(Note: The permissible utilization of Recycled Concrete Aggregate (RCA) as coarse aggregate and fine aggregate is 25% each). 164 Providing M.S. foot rests including fixing in manholes with 20x20x10 cm cement concrete blocks 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) as per standard design: 165 With 20x20 mm square bar 166 Providing and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS : 8329 : 167 450 mm dia Ductile Iron Class K-9 pipes. *For use of bigger dia. pipes other than 450mm, net difference in basic rate as per applicable DSR shall be reimbursed to the contractor. 168 Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below ground level for under ground structures as directed by Engineer-in-Charge and consisting of :(i) Ist layer of 22 mm to 25 mm thick approved and specified rough stone slab over a 25 mm thick base of cement mortar 1:3 (1 cement : 3 coarse sand) including applying of twice ( at base and top of mortar ) cement slurry @ 2.2kg/m2 (each time) mixed with water proofing compound conforming to IS:2645 in the recommended proportion over the leveling course (leveling course to be paid separately). Joints sealed and grouted with cement slurry mixed with water proofing compound. 169 (ii) 2nd layer of 25 mm thick cement mortar 1:3 (1 cement: 3 coarse sand) mixed with water proofing compound in recommended proportions.(iii) Finishing top with stone aggregate of 10 mm to 12 mm nominal size spreading @ 8 cudm/sqm thoroughly embedded in the 2nd layer.Using rough kota stone. 170 Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified stone slab 22 mm to 25 mm thick with cement slurry mixed with water proofing compound conforming to IS:2645 in recommended proportions with a gap of 20 mm (minimum) between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of stone slab with cement mortar 1:3 (1 cement : 3 coarse sand) 20 mm thick with neat cement punning mixed with water proofing compound in recommended proportion complete at all levels and as directed by Engineer-in-charge : 171 Using rough Kota stone 172 Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) 173 Providing sand stone slab for roofing and laying them in cement mortar 1 : 4 (1 cement : 4 coarse sand) over wooden karries or R.C.C. battens or structural steel sections (Karries or battens or structural steel sections to be paid separately), including pointing the ceiling joints with cement mortar 1:3 (1 cement : 3 fine sand ) complete : 174 Red sand stone slab40 to 50 mm thick 175 Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S. angels 40x40x6 mm for diagonal braces 176 40 to 50 mm thick 177 Providing and fixing factory made ISI marked steel glazed doors, windows and ventilators, side /top /centre hung, with beading and all members such as F7D,F4B, K11 B and K12 B etc. complete of standard rolled steel sections, joints mitred and flash butt welded and sash bars tenoned and riveted, including providing and fixing of hinges, pivots, priming coat of approved steel primer, but excluding the cost of other fittings, glass panes complete all as per approved design, (sectional weight of only steel members shall be measured for payment). 178 Fixing with carbon steel galvanised dash fastener of required dia and size (to be paid for separately) 179 Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. 180 Made of G.I. wire of dia 4 mm 181 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 182 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources) 183 Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 184 Modified estimated cost after using correction factor on DSR-2023 on account of GST @0.973 vide O.M. dated 08.08.2024.(i.e. 9720555 *0.973 = 9458100 185 Carrying out structural analysis and design of all civil work, Design of all E&M works, foundation and superstructure of work such as pump-room, UGT and Delivery line upto Barapullah Drainage etc. all complete and submission of input data, check print structural drawing, 6 Nos. prints with soft copy of analysis and drawings as per direction of Engineer-in-Charge by approved structural consultant agency. The profile of structural consultant shall be got approved from NIT approving authority. The structural design shall be comprehensive to enable easy servicing of pumps and other heavy equipment’s etc. possible. The Hydrological data shall be provided to the consultant for drainage design.
