REPAIR AND MAINT OF AIRBLOWERS PUMPS CONTROL VALVES ELECTRIC PANELS FILTER MEDIA FLOW METER MS PIPE AND ALLIED WORK IN THE AREA OF AGE U WATER SUPPLY II UNDER GE U WS DELHI CANTT 10

Amount

Excavation in trenches in any type of soil not exceeding 1.5 meter wide and not exceeding 1.5 metre deep for taking out / laying of pipe lines and getting out and forming bottom surfaces to required gradient complete all as specified and as directed.

Returning, filling in, including spreading leveling, watering and well ramming in layers not exceeding 25 centimeter thick in layer in any type of soil complete all as specified and as directed.

Removing excavated materials to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.5 metres above the starting point complete all as specified and as directed.

Material and labour for Brick protection with sub class ‘B’ bricks old size, laid dry, flat over cable, perpendicular across the cable in trenches complete all as specified and as directed.

Sand cushioning with fine dry sand in trenches, for cable protection complete all as specified in clauses 19.75 of MES schedule part-I complete all as specified and as directed.

Manually trench drill up to 150mm dia of pipe complete all as specified and as directed.

Supply and lay in replacement of MS Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings including welding as required at site and removing old pipe to MES store yard of following bore. Note :- Rate quoted shall deemed to be included for MS flanges and flange joints.

Supply & Fixing in replacement of butterfly valve of following size/bore conforming to IS 13095 complete all as specified and as directed

100 mm bore

125 mm bore

150 mm bore

80 mm dia

50 mm dia

40 mm dia

Supply & Fixing gun metal gate valve with iron wheel head screwed both ends for iron pipe and fixed, bore of pipe of following sizes complete all as specified and as directed

15 mm dia

20 mm dia

25 mm dia

50 mm dia

Material and Labour for CI foot valve flanged type including nuts bolts washers and rubbers 150mm dia confirming to IS-4038 complete all as directed by Engineer-in-charge and including taking out the old unserviceable foot valve complete all as specified and as directed.

All as per item No 10 above but size 100 mm

All as per item No 10 above but size 80 mm

All as per item No 10 above but size 50 mm

Supply and fixing man hole cover of UG/semi UG Sump tanks of any size made out of 3 mm thick MS sheet and angle iron 40x40x6 mm duly welded and having handle on top to open and close the cover welding two butt higes including painting with two coat of synthetic enamelled paint over a coat of primer complete all as specified and as directed.

Supply and fixing in replacement of XLPE insulated, armoured heavy duty electric cables with aluminium conductor, 11000 volts grade, cross sectional area 25 sqmm, 3.5 core complete all as specified and as directed.

40 mm bore GI light grade pipe for protection of cable, laid in trenches / under floors / Paths /along poles/ equipments etc complete all as specified & as directed

Supply & Fixing in replacement of MCCB 200 Amp 415 Volts, 25 KA, 4 pole, 50 Hz, with adjustable thermal & fixed magnetic setting

Supply & Fixing in replacement of MCCB 100 Amp 415 Volts, 25 KA, 4 pole, 50 Hz, with adjustable thermal & fixed magnetic setting

Supply & Fixing in replacement of autometic star - delta starter complete with cotactor(18A) and over load relay of range 12-18A for & upto12.5HP pump

Supply & Fixing in replacement of autometic star - delta submersible pump starter complete with cotactor(25A) and over load relay of range 17-25A for 15HP submersible pump

Supply & Fixing in replacement of standerd autometic star - delta submersible pump starter complete with cotactor(32A) and over load relay of range 23-32A for 25HP submersible pump

Supply & Fixing in replacement of Pneumatic Timer Block suitable for mounting on contactor (9A-630A) type CPT1A complete all as specified and as directed.

Supply & Fixing in replacement of 3 pole power contactor MNX32 Type contactor (32A-55A) complete all as specified and as directed.

Supply & Fixing in replacement of 3 pole power contactor MNX40 Type contactor (40A-55A) complete all as specified and as directed.

Supply & Fixing in replacement of 3 pole power contactor MNX25 Type contactor (25A-45A) complete all as specified and as directed.

Supply & Fixing in replacement of 3 pole power contactor MNX18 Type contactor (20A-32A) complete all as specified and as directed.

Supply & Fixing in replacement of 3 pole power contactor MNX12 Type contactor (13A-25A) complete all as specified and as directed.

Supply only of thermal over load relay type MN relay range 28-42 Amps complete all as specified and as directed.

Supply only of thermal over load relay type MN relay range 20-32 Amps complete all as specified and as directed.

Supply only of thermal over load relay type MN relay range 13-21 Amps complete all as specified and as directed.

Supply only of FRP construction solution preparations cum settling Tank with level gauge, lid, inlet / outlet connection, drain connection and fitted with speed reducer, motor and SS agitator of capacity 100 Ltr complete all as specified and as directed.

Supply & pouring Compressor Oil in air blower at STPs complete all as specified and as directed.

Supply & fixing in replacement of heat resistance , weather proof agro shed net for covering of tanks at various STP complete with fixing arrangement around the tank complete all as specified and as directed.

Supply & Fixing in replacement of following parts for Ozone generator installed at Baird place STP.

Ozone Generator -9 Model -OZ INDIA -250 complete all as specified and as directed.

Cleaning & Re-wiring complete all as specified and as directed.

Cooling Fan 6"

Cooling Fans Covers

Emergency Switch

Ozone Control Knob

Preventor 3 Phase

Oxygen Sieves beds

Air Compressor

Supply only PVC insulated, sheathed, Copper conductor flexible cable, 1100 volts grade Heavy Duty, cross sectional area 4 sqmm, Four core round flexible complete all as specified and as directed.

Supply only PVC insulated, sheathed unarmoured, Copper conductor flexible cable, 1100 volts grade Heavy Duty, cross sectional area 10 sqmm, Seven core round flexible complete all as specified and as directed.

Supply only of PVC insulated sheathed copper conductor flexible cable 1100 volts grade heavy duty of size 35 sqmm nominal cross section area single core

Supply only of PVC insulated sheathed unarmoured copper conductor flexible cable 1100 volts grade heavy duty of size 50 sqmm nominal cross section area single core

Supply & only 3 pole power contactor ML-2,32 Amps,415/440,50hz suitable for fixing in exising panel complete all as specified and as directed.

Supply lowring and fixing MS Column pipe, heavy duty class C flanged and drilled ISI marked 80 mm bore as per IS-1239, 2 meter in long, MS flange having PCD 125 mm and 10 mm thick including all jointing material such as bolts, nut, washers & packing sheet and connecting complete all as specified and as directed.

Manufacturing, supplying and installation in replacement of full cube poly carbonate micro prismatic type retro reflective boards conforming to XI of ASTM, made of 4mm thick substrate of aluminum composite panel having 0.50mm thick skin of aluminum both side. The front side is to covered with full cube poly carbonate prismatic reflecting sheeting conforming to proposed type XI of ASTM with coloured scheme, including subject matter, message (bi-lingual), symbol and borders etc as per IRC 67-2001. The aluminum composite panel shall be suitably fixed on top, bottom and sides of stainless steel frame work as per directions. Retro reflective tape shall be of brand : 3M, Avery Denni & the contractor would be required to submit tax paid vouchers of retro reflective tapes used in the work of approved makes.

Labour for dismantling, disconnecting the Air Blower twin lobe positive displacement type of pressure upto 0.8Kg/cm2 and capacity upto 800 Cum/hr including disconnecting from chanel frame and electrical panel for repair of Gear Box, refitting of gear box after oiling, greasing, alingment of pump set and re-fixing/ assembling testing to make it functional complete inciuding cleaning of all dirt, dust etc complete all as specified and directed including transportation to workshop for repair

Supply and fixing in replacement following parts in the twin lobe positive displacement type and pressure rating upto 0.8Kg/cm2

Replacement of Pully V Belt SPB-1800

Ball Bearing 6311/C3

Roller bearing 3213A

Piston ring

Set of Gasket

Gear set

Oil seal

Oil level glass

Suction air filter

Air compressor shaft werlding , turning , grinding

Bearing tapper bush for roller bearing 22213 EK/C3

Outer distance bush

Pressure ring

Asbestos graphite packing(casing cover)

Asbestos graphite packing(stuffing box)

Disconnecting electric comnnections from LT control pannel and starter of Non clogging sub pump set of any size 3 HP to 20 HP and removing the pipe line connections from discharge side and taking out sub pump set alongwith, column pipe from Sewage sump with the help of chainpully including transportion to wksp for repair including replacement of rusted nuts bolts. rubber gasket complete all as specified and as directed

Labour for opening the non clogging sub pump set, repairing, rewinding and assembling the pump set including insulating material of any size 3HP to 10 HP capacity complete all as specified and as directed(Copper winding wire and other spare part required for repairing will be measured and paid under relevant item as supply only)

Labour for openning the non clogging sub pump set, repairing, rewinding and assembling the pump set including insulating material of any size 12.5HP to 20 HP capacity complete all as specified and as directed (Copper winding wire and other spare part required for repairing will be measured and paid under relevant item as supply only)

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

Supply and fixing in replacement of following spare for non clogging sub Pump set cap 3 HP to 10 HP

SS roter sleeve

SS roter shaft ASS 410

Water seal

CI Lower Housing chamber

CI upper housing chamber

Connetion plate

Remetaling of rotor & turning/grinding

GM suction ring

GM Impeller

SS stud with nut

Impeller nut

Impeller key

Jointing of sub cable

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

CI suction chamber

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

O ring set

Insulation kit

Ball bearing 6306ZZ

Roller Bearing 3308

Roller Bearing NU 305

Temperature sensor

Moisture sensor

Supply only of following spare for non clogging sub P/set cap 12.5 HP to 20 HP

lift Chain 10/12 mm SS

Mechanical seal set

Cable assembly kit

Lubrication oil

Motor casing cover

impeller Bolt& nut SS

intermediate casing

bolt with sq nut for CSG

Bearing sleeves

Thread Bush

Bearing 6309 2RS1/C3

Bearing 6306 2 R S1/C3

Bearing 3212

Bearing NU-207

Terminal connection plate

Moisture sensor

cable protection tube

Rubber diaphram

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 complete up to upto 15 HP complete all as specified and as directed including transportation to workshop for repair

Supply and fixing in replacement the following items for DB model pumps of capacity upto 15 HP

Impeller CI/SS

Pump shaft SS AISI410

Mechanical seal for pump shaft AISI-410

Wear ring

Gland CI

Ball bearing 6307ZZ

Bearing housing NDE

Shaft Sleeve SS

impeller Nut

lock nut

Gland packing

Set of O rings

Liquid deflector

Gland Eye Bolt with nut SS

Impeller Key

Oil seal

Mechanical seal for support plate

Bent plug

Set of gasket

Support foot

Lantern ring

coubling Key CS

Supply and fixing in replacement the following parts for Decantor gear box installed at Baird Place STP.

Bearing of size 758A-32208

Bearing of size 7513A-32213

Oil seal of size 40mm x 60mm x10mm

Oil seal of size 65mm x 90mm x12mm

SS LN bolt 8x50

Set of gasket

Screw thread sleev 80 x 150mm repair

SS pin

Gun Metal Gear box repair

shaft repair and balancing

S & F in replacement of flexible suction hose pipe heavy duty ISI marked of size 65 mm outer dia complete all as specified and as directed.

S & F in replacement of flexibl suction hose pipe heavy duty ISI marked of size 90 mm outer dia complete all as specified and as directed.

Supply and fixing in replacement of cloth of sludge centrifuse machine of capacity 1 cum/hr, basket type at STP Kabul Line complete all as specified and as directed.

Supply & pouring MBBR/FAB PVC media model PP22 effective specific surface area 400m2/cum of height 15mm and dia of 22mm complete all as specified and as directed.

Material and labour for quartz silica sand of 32 -64 grade media size.

Material and labour for quartz silica sand of 16 - 32 grade media size.

Material and labour for quartz silica sand of 8 - 16 grade media size.

Material and labour for quartz silica sand of 4 - 8 grade media size.

Material and labour for activated carbon filter media IV1000.

Taking out complete pebbles from the filter and re-filling the same after washing/cleaning throughly.

S & F in replacement of Air dispersion system in equilisation tank/MBBR tank of STP ,capable of handling 3 - 5 cfm of air with oxygen transfer efficiency of 3 - 4% per meter water depth of following type:-

Disc type coarse bubble diffuser of size 150mm dia.

Tube type fine Bubble diffuser of size 63 mm Dia. X 600mm lomg

M & L in replacement of M. S work for Providing and filling post/frame including braces, plates, angle, flats, tubular sections etc including cutting, hoisting fixing with welding etc complete with necessary holes, nuts, bolts, caps and anchor plates as per design provided

Supply and fixing electromagnetic water flow meter suitable for pump discharge 25 cum/hr and line size 100mm bore at STPs including electrical connection complete all as specified and as directed.

Supply and fixing electromagnetic flow meter suitable for pump discharge 50 cum/hr and line size 150mm bore at STPs including electrical connection complete all as specified and as directed.

Supply and fixing electromagnetic water flow meter suitable for pump discharge 90 cum/hr and line size 100mm bore at STPs including electrical connection complete all as specified and as directed.

Supply and fixing Air flow meter,model suitable for max flow rate 4000-800 lpm constrution material;SS304,Seal material P.T.F.E/SILICON at STPs including all fitting complete all as specified and as directed.

An amount of Rs 85986.00 shall be deducted from BOQ on account of schedule of credit

B.R. Enterprises

Ridhi engineers and builders