REPAIR AND MAINTENANCE OF SEWAGE PUMPS AIR BLOWERS FILTER MEDIA CONNECTED PIPELINE NETWORK ALONGWITH MISC ITEMS OF STPs AND REPAIR MAINTENANCE DEVELOPMENT OF RECHARGE BOREWELLS ALONGWITH ALLIED WORKS OF RAIN WATER HARVESTING IN THE AOR OF AGE U WATER

Excavation in trenches not exc 1.5 metres wide and not exc1.5 metres deep for pipe line in soft/loose soil, getting out and levelling of bottom surface to required level all as specified and as directed by Engineer-in-Charge

Returning filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm thick all as specified and directed by Eng. In Charge

Removal of excavated material from site to a distance not exceeding 50 meters away and depositing where directed at a level not exceeding 1.5 meters above the starting point as directed by Engr-in-Charge.

M&L in replacement fabrication, welding and fixing of MS works of any sizes of angles irons/flat iron/MS sheet works for valve pit cover, ladder, Sump Manhole Cover, Grills and stair steps etc including painting two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Supply and fixing in replacement CI foot valve flanged ends, swing type opration with rubber sheet, as per IS:4038 including taking out unsv foot valve all as specified and directed by Engr-in-Charge. (Note:- (i) Flanged joints complete with jointing material shall deemed to be included in the unit rate of this item

80 mm bore

100mm bore

150mm bore

S&F in replacement, butterfly valve with all necessary fittings including taking down old unservicable butterfly valve of following sizes complete all as specified and directed by Engr-in- Charg.

50 mm bore

80mm bore

100mm bore

150mm bore

Supply, installation and testing of flanged ends Water Meter woltman type, including testing and making good connection with flanged ends, with gasket rubber sheet and nut & bolts etc ISI Marked fixing in horizontal/incline/vertical position, including taking out unserviceable water meter of following sizes complete all as specified and as directed at site by the Engineer-in-Charge. (Note:- (i) Flange Joints Including Jointing material shall deemed to be included in the unit rate of this item.

80 mm bore

100 mm bore

150 mm bore

200 mm bore

M&L including jointing and testing of cast iron sluice valves class PN-1.0, conforming to IS:14846 flanged ends drilled having stainless steel spindle with cast iron wheel at top complete with nuts, bolts, washers and rubber gaskets including taking out unserviceable sluice valve and removal from site for the follwing sizes complete all as specified and directed:-

80 mm bore

100 mm bore

150 mm bore

Supplying, laying, jointing, welding and testing MS Pipe (Heavy class 'C') IS : 1239/3589, of followiing sizes laid in trenches or in Horizontal/Vertical/inclined position or laying on floors for connections for suction, to header and connected to out going water main CI/DI pipe line, for following size including taking out the old unserviceable pipes :- (Note:- (i) MS Flanges incl fabrication work will be measured and paid separately. (ii) Excavation and earth work will be measured and paid separately.

50 mm dia

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Supplying and fixing in replacement MS flanges of following sizes not less than 16 mm thick duly welded on ends of MS pipe all as specified and directed by Engr-in-Charge. Note :- (i) Flange joints including jointing materials shall deemed to be included in the unit rate of this item.

50 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Disconnecting the all electric connection and lifting the raw sewage pump set from sludge well/equilisatin tank and dismantling complete raw sewage submersible pump of capacity 5 to 7.5 HP and repairing the same with replacing unserviceable spare parts i.e GM bush, roror sleeve, water seal, thrust bearing, sealing ring, upper & lower housing flange upper & lower with stud and nut, wire mesh, drain plug, SS distance sleeve, impeller key, inter ring GM neck ring, Guide bush, GM impeller, CI section chamber,SS coupling, EPV impeller, CI stage bowl, T bolt with nut including grinding work of lathe machine and re-assembling the same testing complete all as specified and directed. (Note:-Spare parts required for repairing will be measured and paid separately under relevant items as Supply only.)

Repair and overhauling including dismantling/taking down all electrical and mechanical connection of twin lobe existing blowers of make as per site of capacity upto 0.80 kg/cm2 and servicing whole body, greasing alignment of pump set, change gear oil/lubricant and V belt,overhauling of the same including refixing and testing complete all as specified and directed. (Note : Spare parts required for repairing will be measured and paid separately under relevant items as Supply only.)

S&F in replacement of following parts in the twin lobe positive displacement type and pressure rating upto 0.8 Kg/cm2 of all as per existing make at site:-

Replacement of Pully V Belt SPB-1800/existing at site

Ball Bearing 6311/C3

Roller bearing 3213A or existing at site

Set of Gasket of suitable size for the compressor existing at site

Gear set of suitable size for the compressor existing at site

Oil seal of suitable size for the compressor existing at site

Oil level glass of suitable size for the compressor existing at site

Suction air filter of suitable size/type for the compressor existing at site

Air compressor shaft welding, turning, grinding required during overhauling of compressor

Bearing tapper bush for roller bearing 22213 EK/C3 or of suitable size for the compressor existing at site

Outer distance bush of suitable size for the compressor existing at site

Pressure ring of suitable size for the compressor existing at site

Asbestos graphite packing (casing cover) of suitable size for the compressor existing at site

Asbestos graphite packing (stuffing box) of suitable size for the compressor existing at site

Supply & pouring Compressor Oil in air blower at STPs complete all as specified and directed. (Note:- Compressor oil will supplied in sealed container only).

Disconnecting electric connections from LT control pannel and starter of Non clogging submersible pump set of any size 3 HP to 12.5 HP and removing the pipe line connections from discharge side and taking out sub pump set alongwith, column pipe from Sewage sump/Well/Tank etc with the help of chain pulley including transportion to workshop for repair including replacement of rusted nuts bolts, rubber gasket complete all as specified and directed. (Note:- (i) The quoted rates will include for the charges wherever Hydra is required for pulling out the pumps out. (ii) The contractor will give a guarntee for 6 months for the proper functioning of the pumps and its allied pipe connections/Electrical connections. (iii) Burn out/Defective Non clogging pumps/Submersible pumps will be open at site for the defects and material required for replacement in writing to Engr-in-Charge.

Labour for opening the non clogging submersible pump set, repairing, rewinding and assembling the pump set including insulating material of 3HP to 12.5 HP capacity complete all as specified and directed. (Note:- (i) Copper winding wire and other spare part required for repairing will be measured and paid under relevant item as supply only. (ii) Old copper winding wire shall be contractor's property and contractor will required to quote their unit rate accordingly of item No (16) below).

Supply only copper rewinding wire of exsting gauge for non clogging pump sets/ submercible pump Sets/ Induction motors complete all as specified and directed

S&F in replacement of following spare for non clogging sub Pump set cap 3 HP to 12.5 HP

SS rotor sleeve of existing at site

SS rotor shaft ASS 410 or of existing at site

Water seal of existing at site as per pump design

CI Lower Housing chamber of existing at site

CI upper housing chamber of existing at site

Connetion plate of existing at site

Remetaling of rotor & turning/grinding

Gun Metal suction ring of existing at site

Gun Metal Impeller of existing at site

Stainless Steel stud with nut of existing at site

Impeller nut as per existing at site

Impeller key as per existing at site

Jointing of submersible cable

Painting of submercible pump set with one coat of red oxide and two coat of synthetic enamel paint

CI suction chamber perfectly suitable as per existing at site

Repairing of stamping of stator

Mechanical seal set upper and lower

Jointing of cable kit without float switch

Jointing of cable kit with float switch

CI suction plate as per existing at site

O ring set as per existing at site

Insulation kit as per sample

Ball Bearing 6306

Roller Bearing 3308

Roller Bearing NU 305

Temperature sensor as per existing at site

Moisture sensor as per existing at site

Labour for dismantling, disconnecting the centrifugal/sewage pump set from foundation and fixing after repairing rewinding and assembling the pump set including insulating material of any size, testing including transportation of pump of pump set to work shop and return to site for installation & testing complete upto 20 HP complete all as specified and directed. (Note:- (i) Copper winding wire and other spare part required for repairing will be measured and paid under relevant item as supply only. (ii) Old copper winding wire shall be contractor's property and accordingly rate of item No (16) will be quoted.

S&F in replacement of the following items of centrifugal / sewage pumps of capacity upto 20 HP

Impeller CI/SS as per existing at site

Pump shaft SS AISI410 or as per existing at site

Mechanical seal for pump shaft AISI-410 or as per existing at site

Wear ring as per existing at site

Gland CI as per existing at site

Ball bearing 6307ZZ

Bearing housing NDE as per existing at site

Shaft Sleeve SS as per existing at site

Impeller nut as per existing at site

lock nut as per existing at site

Gland packing suitable for existing pump as per mfg recommendation

Set of O rings as per existing at site

Liquid deflector as per existing at site

Gland Eye Bolt with nut SS as per existing at site

Impeller Key as per existing at site

Oil seal as per existing at site

Mechanical seal for support plate as per existing at site

Bent plug as per existing at site

Set of gasket as per existing at site

Support foot as per existing at site

Lantern ring as per existing at site

Coupling Key CS as per existing at site

Labour for opening the electric induction motor of capacity upto 20 HP including taking down/out the burnt winding wire, cleaning the slots, rewinding the motor with super enamalled copper winding wire of existing gauge, weight etc. including all other insulating material to make it functional complete all as specified and as directed . Note:- (i) Copper winding wire of approprioate guage will be measured and paid separately under ser item No (15) above. (ii) Old copper winding wire shall be contractor's property and accordingly rate of item No (15) will be quoted. (iii) Spare parts will be measured and paid seperately.)

M&L Cleaning of following Capacity STP sewage and Removing of Settle down Sewage Sludge cum mud of Bar Screen Chamber pit, Oil & Grease trap tank, unit chamber, equalisation tank, MBBR-1, MBBR-2 Tank, SBT Tank,Tube Settler tank, Filter feed tank, Treated water tank. including cleaning of choked MS pipes, SS riser pipes, air diffusers in equalisation tank,tube settler and MBBR tanks and refixing the same on quarterly basis and ensuring proper running of whole plant to the entire satisfaction of Engr-in-Charge. Note : (a) Cleaning Inner surface of tank complete by scraping with steel wire brush and removing mud and sludge collected inside the tank manually and deposit where directed. (b) Washing with clean water and bleaching powder complete tank internally and Removal of left out sludge if any at site and deposit where directed.

STP 100 KLD to 160 KLD

STP 650 KLD

M&L SS Air grid system (SS-304 grade) in equalization tank for providing aeration in tank using SS tubing and for air outlet shower rose and ss strainer complete & testing including removing old pipes of any type/size complete all as specified and directed.

M&L SS Air grid System (SS-304 grade) in MBBR Tanks for providing aeration in MBBR Tanks using SS tubing and for Air outlet shower rose and ss strainer compelte and testing incluidng removing old pipes (if existing) of any type/size complete all as specififed & directed.

Supply & fixing heat resistance, weather proof agro shed net for covering of tanks complete with fixing arrangement arround the tank complete all as specified and directed.

Supply & pouring MBBR/FAB PVC media model PP22 effective specific surface area 400 sqm per cum of height 15mm and dia of 22mm complete all as specified and directed.

M&L Tube Settler modules made of PVC including dismantling and taking out the old damaged tube settler media complete all as specified and as directed.

Labour for opening the Structural filter vessels of any size including repairing the leakage at the bottom and taking out old unserviceable material and then pouring the following materials complete all as specified and as directed by Engr-in-Charge.

Supply only quartz silica sand of following sizes for filling purpose complete all as specified and directed.

32 -64 grade media size.

16 - 32 grade media size.

8 - 16 grade media size.

4 - 8 grade media size.

Activated carbon IV1000 (Note for item No. 28.01 to 28.05 : The cost for removal the old material from site to the location as directed shall be deemed included in respective item. No extra amount will be paid in this aspect.)

M&L for testing of water (Both Inlet as well as Outlet) being collected from various STPs (Palam Bagh-160KLD, CASD-100 KLD, CVD (150 TA KLP) - 100KLD and Naraina MAP-650 KLD) in the area under AGE (U) W/S No I on monthly basis and submission of detailed test reports quarterly to the office of Engineer-in-Charge. (a) Collection of Raw Sewage Inlet Water as well as Treated Outlet water from different STPs in sterilized bottle and testing in Govt Approved laboratory as mentioned in specification. (b) Carrying out minimum essential testing of water as per IS 10500-1991 mandatory for Row Sewage Water Parameters (i) BOD (ii) COD (iii) TSS (iv) Oil & grease (v) pH (vi) Coliform (vii) Residual Chlorine and E Collie in 100 ml and submission to this office with specific recommendation regarding suitability of water for Arboriculture purpose. Note :- Rate quoted shall deemed to be included for : - (i) Cost of sterilized bottle as required. (ii) To and fro transportation charges for collection of samples from source.

Supply and Fixing in replacement Pressure Gauge as required at site complete all as specified and directed by Engr-in-Charge.

Repair and overhauling including dismantling/taking down all electrical and mechanical connection of centrifugal type sewage / treated water pumps of any make as per site of rating upto 10 HP and servicing the whole body including refixing and testing complete all as specified and directed. (Note:- (i) Unit rate quoted shall be deemed included supply & fixing of following spare parts as per site requirement of suitable quantities and as per OEM makes:- Mechanical Seal, Wear Rings, CI Gland, Wear Body attachment plate complete, Shaft sleeve SS, Impeller Nut, Lock Nut, O-Rings, Liquid Deflector, SS gland Eye Bolt with Nut, Impeller Key, Oil Seal, Bent Plug, Set of Gaskets, Support Foot, Lantern Ring, CI Coupling Set etc.

Supply and fixing in replacement, installation commissioning and testing Dosing Pump high pressure, single head, gear motored adjustable dosing pump with accessories including lead tubing, connecting nuts, injection check valve, clay weight, and ferrules and including fixing dosing system consisting of 200 litre PE/FRP Tank with PE/FRP Lid & level gauge along with agitator with shaft & blade in SS 316 (FRP/Epoxy coated)/plastic, mounted on tank Lid will have port hole for pouring bleaching powder and water when necessary. Lid will also have provision for mounting Dosing pump on the lid/wall complete all as specified and directed.

Supply & Fixing in replacement 3 Layer PPR pipes SDR 7.4 (PN16) UV Stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PPR Plain and Brass threaded Fitting in replacement of old unserviceable PPR Pipe in trenches complete all as specified and directed.

20 mm bore

25 mm bore

50 mm bore

63 mm bore

90 mm bore

110 mm bore

Supply & Fixing PP-R Gate valves (brass insert) in replacement as per requirement of the site of following size.

20 mm bore

25 mm bore

50 mm bore

90 mm bore

M&L Boring holes under road pavement by bocky manually in any type of soil upto 200 mm bore complete all as specified and directed by Engr-in-Charge. (Note:-Location & depth of boring holes is as directed by EIC)

Supply and fixing in replacement of burnt/ unsv 3 pole power contactor Type ML-1.5/MNX 25, 45 Amp, 415/220 volts, 50 Hz coil voltage 415 Volts alongwith NO/NC as applicable complete all as specified and directed.

Supply and fixing in replacement of burnt/unsv 3 pole power contactor Type ML-2.0/MNX 32, 55 Amp, 415/220 Volts, 50 Hz coil voltage 415 Volts alongwith NO/NC as applicable all as specified and directed.

Supply and fixing in replacement of thermal over load relay type ML/MNX type relay range 28-42 Amps complete all as specified and as directed.

Supply and fixing in replacement of thermal over load relay type ML/MNX type relay range 20-32 Amps complete all as specified and as directed.

Supply and fixing in replacement of thermal over load relay type ML/MNX type relay range 13-21 Amps complete all as specified and as directed.

Supply and fixing in replacement MCB single pole 6 to 32 Amp 240 volts complete all as specified and as directed.

Supply & fixing in replacement of MCCB thermal relay range 320- 400 Amps, 4 pole 415V of breaking capacity 50 KA and and connecting to bus bars and cable end termination with suitable lugs complete all as specified and directed.

Supply & fixing in replacement MCCB thermal relay range 200- 250 Amps, 4 pole 415V of breaking capacity 36 KA and and connecting to bus bars and cable end termination with suitable lugs complete all as specified and directed.

Supply & fixing in replacement MCCB thermal relay range MCCB 160-200 Amps, 4 pole, 415 V, breaking capacity 36 KA complete all as specified and directed.

Supply & fixing in replacement MCCB thermal relay range 4 pole MCCB 63-80 Amps,415 V, breaking capacity 18 KA complete all as specified and directed.

M&L for painting of steel and iron surface with synthetic enamel paint as per existing pattern including rubbing down old paint complete all as specifieid and directed.

M&L for distempering walls with distemper dry including washing, rubbing down, filling of cracks including necessary scaffolding work etc complete all as specified and directed.

M&L for distempering walls/sump with cement paint including writing on wall/sump and necessary scaffolding work etc complete all as specified and directed.

M&L for preparation of old surfaces of LT steel tubular poles of any size and type with bracket clamps etc and painting with two coats of Aluminium paint upto 6 meter long and exposed surface of Pole, Yellow and Black paint in strips of alternative 30 cm wide upto 1.5 mtr from ground level including marking of pole numbers with paint complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode of size 600x600x6mm thick buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of the earth plate not less than 1.5 mtr below normal ground level connected to galvanised iron strip 25×4mm as earthing lead connectd by means of bolts, nuts, washers and check nuts all as shown in electrical plate No 3 of MES SSR Part-I, including testing on completion complete all as specified and as directed. (Note:- (i) Excavation & earth work included in quoted unit rate. (ii) GI strip 25 x 4 mm upto 7.5 Rm from the test point shall be deemed included in quoted unit rate.

M&L for development of bore well of any bore/ capacity and size not less than 30 mtr deep at the pressure not less than 6Kgs/Sq Cm by diesel engine driven air compressor of capacity 450 CFM including air pipe, transports and connected items for desired flow of rain water into ground all as specified and directed by Engr-In-charge at site .

M&L for pea gravels of size 3mm to 6mm around casing/ housing all as specified and directed.

Supply and filling coarse sand in bottom of recharge chamber 1.5 to 2mm size complete all as per existing site specified and directed.

Taking out old/existing coarse aggregate of any size, washing it high pressure water pressure at site and relaying to its original position for easy perculation of rain water into ground all as direcetd.

Supply and filling/topping up coarse aggregate 63mm as screening material complete all as specified and direcetd.

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

M&L for brick work with sub class 'B' bricks straight or curved on plan exc 6M mean radius built in cement mortar 1:4 complete all as specified and as directed.

M&L for 15mm thick cement plaster on fair faces of brick work or concrete surfaces in cement plaster 1:4 all as specified and direceted.

De-silting of existing drain of size exc 0.30x0.30 mtr but n.exc.0.75x0.75 mtr and removal of clag/mud, vegetation, garbage, dry leafs etc and removing the same from site to a distance exc. 250mtr but n.exc.500 mtr and depositing as and where directed by Engr-in-Charge.

Labour for cutting thick bushes, shrubs and tree of girth not exc. 30 cm and removing/depositing the same as and where directed by E-in-C

M&L for PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in coping of drain and the like including weathering slightly rounded or chamfered angles and throating as direcetd and finishing the concrete surface with out using extra cement Complete all as specified and as directed.

M&L for pre cast concrete 1:2:4 type B-1 as in cover slab inclusive of form work and set in cement mortar 1:4 all as specified and direcetd.

M&L for mild steel bars TMT bars 12mm dia and over, cut to length, bent to shape quired, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips deformed bars complete all as specified and directed

M&L for mild steel bars TMT bars 8mm to 10mm dia and over, cut to length, bent to shape quired, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips deformed bars complete all as specified and directed

Supply only high quality polypropylene/nylon/Steel woven mesh connect with bamboo used for manual cleaning of sludge,scum,rags, plastic etc.suitable for screen chamber and equilization tank complete all as specified and directed

Supplying, fixing, testing and commissioning of feeder pillar box, indoor type cubical shape, 3 Phase, 4 Wire, Aluminium bus bar of 200 Amps with PVC sleeve suitable for phases and neutral, made out of CRCA sheet 2.0 mm thick ,factory fabricated ,CPRI approved , powder coated ,dust and vermin proof , with provn for ventilation , angle iron frame and four legs of 50x50x6mm thick angle iron ,2 ft long grouted on PCC foundation of height not less than 30 cm from the ground level , grouting properly ,and of suitable size to accomodate the items mentioned below and having seperate compartment /chambers for cable gallery busbar ,switch gear etc all as specified and comprising of following including necessary cable connections to the MCCBs ,voltmeter,Ammeter and cable lugs etc .

Supply, installing, testing and commissioning factory made and tested (prototype having been CPRI type test certified), LT feeder pillar box (KIOSK), Indoor type and double door with buckled type bush hinges platform mounted, suitable for 415 volts 3 phase 4 wire, 50 Hz AC supply system, having bus bar chamber with insulated copper bus bars 600 Amps rating installed on procelain insulators. The panel shall be dust and vermin proof with suitable IP protection and made of 2.0 mm CRCA MS sheet for outer sheet, 5mm thick bottom sheet & 1.2mm thick for inner sheet for individual compartment of MCCB's, bus bar, apron etc. Back side compartment with enclosure duly for space out going cables with extended bus bar/strips for out going MCCB's etc and 40 x 40 x 6mm thick angle iron frame work, externally powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, front openign type with aprons for cable entry with double door shutter and locking arrangement (including provn of 65mm Godrej (Freedom) lock 7 levers with 2 keys, intenal wiring with PVC insulated, solid copper conductor, FRLS cables, IS-694 marked of adequate size but not less than 4 Sqmm.

M&L for cleaning of dewatering/rain water, any storage capacity of water by removing mud, grits, debris etc and through out not less than 50 mtr complete all as specified and as directed .

An amount of Rs 1,49,700.00 shall be deducted from BOQ on account of schedule of credit