REPAIR REPLACEMENT AND REWIRING OF SUBMERSIBLE PUMP CENTRIFUGAL PUMP AND REPAIR REPLACEMENT OF MOTOR CONTROL PANEL INCLUDING SUPPLY OF CHEMICAL FOR WATER SUPPLY INSTALLATIONS AND ALLIED WORKS AT 6 WG UNDER GE AF BARRACKPORE

Amount

Supply only bleaching powder stable of 33% chlorine all as specified.(Make : DCM, RMCO, M/s Sree Rayalaseema Hi-strength Hypo ltd, Declibac or equivalent)

Supply only Soda Ash ( caustic soda 100% pure) for Iron removal soda dozing plant all as specified. (Make : RMCO, Reyalaseema Chemicals or equivalent)

Supply only calcium hypochloride 65% to 70% chloride content in chlorine in granular for water treatment form in factory sealed HDPE container of 45 Kg each(Make: M/s Sree Rayalaseema Hi-strength Hypo ltd/ Declibac or equivalent E-In-C approved brand) Note: Original certificate of compliance and authorization from the manufacturers including contact No & Date,batch No/manufacturer date /SI No and specific contractors Name & Address.

Supply only Ferric alum for sedimentation for Iron removal plant, alum dozing plant all as specified.(Make : M/s Sree Rayalaseema Hi-strength Hypo ltd , DCM, RMCO or equivalent)

Supply only OT solution for chlorine test (500 ml) bottle pack all as specified.(Make : M/s Sree Rayalaseema Hi-strength Hypo ltd, DCM,RMCO or equivalent)

S&F for 200mm dia water pressure gauge (1-10 Kg/Cm2) ISI marked complete all as specified and directed

S&F Chemical Dosing System along with FRP Tank, Agitator, Dosing Injector, Dosing Pump with complete accessories like lead, tubing, connecting ferrules, check valves etc with the following specification all as specified and directed (a) Dosing System including 100 Ltr FRP dosing tank, agitator 120 Watt , 900 RPM with all accessories

(b) Dosing Injector Max Pressure 5.5 Kg/Cm square & Max flow rate 5 Ltr/Hr with all accessories.

(c) All Accessories including 01 No Motor

Disconnecting of electric cable from the panel board and taking out burnt submersible pumping set of capacity 10 hp to 20 hp by using chain pulley arrangement by dismantling 100/150 mm dia MS/CI column pipe. Note : The rate are included for Transporation of pumping set from one place to another place for repair and return to pump house after repair all as specified and directed by Engg-in-charge .

Taking out the pump from the motor and opening of submersible pump for repair and replacement of following u/s parts including re-fixing of all the same and testing and commissioning complete all as directed. (a ) Replacement of head.

(b ) Replacement of gun metal bowl bush.

(c) Replacement of CI impeller.

(d ) Replacement of impeller bush.

(e ) Replacement of Discharge case bush.

(f ) Replacement of oil seal .

(g ) Replacement of shaft sleeve.

(h) Replacement of shaft nut.

(i ) Replacement of sand guard.

S&F stuffing box bearing of pump as per existing complete all as specified and directed.

S&F stainless steel pump shaft coupling as per existing complete all as specified and directed.

S&F stainless steel pump shaft of pump as per existing complete all as specified and directed.

Rewinding of submersible motor with super enameled copper wire including removing burnt winding cleaning of slots separation of rotor and starter making insulation to all joint and replacement of the following u/s parts of motor and testing and commissioning complete All as specified and directed by Enggr-in- charge. Note: Spares parts shall be measured and paid separately.

(a ) Replacement of bearing bush upper.

(b ) Replacement of bearing bush lower.

(c) Replacement of balancing ring.

(d ) Replacement of jointing kit.

(e ) Replacement of oil seal .

(f) Replacement of gun metal rotor housing bush.

S&F stuffing box shaft with stud holes of motor as per existing complete all as specified and directed

S&F stainless steel pump shaft coupling of motor as per existing complete all as specified and directed.

S&F open type impeller made of CI as per existing complete all as specified and directed.

Lowering of the submersible pumping set by using the chain pulley arrangement with fixing of column pipe of size 150mm dia, including nut, bolts, washers, and rubber gasket in replacement. And tightening of submersible cable with pipe and connected of submersible cable from existing panel board. complete all as specified and directed by Engr-in-charge.

S&F Direct-on-Line Starters in Sheet-Steel Enclosure Type MKI for Motor Rating 7.5 HP , AC-3 Duty, 415V, 50Hz suitable for three phase supply. Make : L&T / Havells / Indo Asian

Repair, servicing, and overhauling, of Air compressor and replace the parts as under which is unserviceable all as specified and directed by Engr-in-charge. Note: Spares parts shall be measured and paid separately

(a) Sluice valve of dia 15mm.

(b) Bearings

(C) Backup ring

(d) Pressure Breaker for Radial ring

(e) Tangent ring

(f) Gasket

S&F for three core flat copper cable, PVC insulated, PVC sheathed for submersible pump set 1100 volt 16 sqmm size after taking down the old UNSV copper cable complete all as specified and directed.

M&L for Cleaning and servicing of under ground Sump by using wire brush, removing the deposited silt, debris at the bottom manually suitable for drinking water, inside the tank (area of tank approx 36 Sqm) etc complete all as specified and directed by Engineer-in-Charge.

M&L for repair and maint of star delta Starter of any capacity after disconnecting of incoming / outgoing connection, checking the serviceability of all components i.e existing contactors, Over load relay, timer, single phase preventer, indicator lights, replacement of burnt out PVC insulated copper wire, copper thimble, re-connect the same after throughly clean and testing all as required and directed at site. (NOTE : Spare parts shall be measured and paid separately under respective items of this schedule.)

(a) Replacement of contactor of capacity 40 Amp, 3 Pole, 415 Volt, AC rating 3, Type MNX 40 including auxiliary contact block NO & NC. (Make : L&T/C&S)

(b) Replacement of thermal overload relay of range 24-40A. (Make: L&T/C&S/Havells)

(c) Replacement of star delta timer adjustable type from 3 to 120 sec.

(d) Replacement of single phase preventer, SPPR type SDz5, 380V, (For MU-G30/40/50/75)

M&L for taking down butterfly valve of 150mm dia, replacement rubber gaskate, descaling the gate and refixing the same all as directed.

Taking up down galvanised steel tubing of 20mm dia and connection of following size and removal of U/S pipe from site of work complete all as specified and directed. .

(a) All as per Item No 50 here-in-before 25mm dia.

(d) All as per Item No 50 here-in-before 50mm dia.

Material and labour for galvanised steel (Gl) tubing medium grade with screwed socket joints, together with all tube fittings (such as bends, elbows, tees, short pieces, connectors, back- nuts, diminishing pieces, caps, plugs and unions, etc.) and laying in trenches, etc., also for cutting, screwing and waste and for making forged bends on piping as required. Connectors shall be inserted, where required or directed. The rates also include cutting through walls, floors, etc. and their making good for following pipe bore size. (a) 20 mm bore

(b) 25 mm bore

(c) 50 mm bore

Material and labour for galvanised steel (Gl) tubing medium grade with screwed socket joints, together with all tube fittings (such as bends, elbows, tees, short pieces, connectors, back- nuts, diminishing pieces, caps, plugs and unions, etc.) and fixing on walls , floors complete with clips, wall hooks, wooden plugs, etc., also for cutting, screwing and waste and for making forged bends on piping as required. Connectors shall be inserted, where required or directed. The rates also include cutting through walls, floors, etc. and their making good for following pipe bore size. (a) 20 mm bore

All as per item no 56 but of (b) 25 mm bore

Supply and replace CI sluice valve size 100 mm dia PN 1.6 conforming to IS-14846 flanged end complete with iron wheel head and stainless steel pindle including taking downcomplete all as specified and directed.

Supply and replace CI sluice valve size 150 mm dia PN 1.6 conforming to IS-14846 flanged end complete with iron wheel head and stainless steel pindle including taking downcomplete all as specified and directed.

Supply & replace in trenches Ductile Iron pipe centrifugally cast (Spun) with spid, class K-7 confirming to IS 8329/2000 suitable for (Push on) rubber gasket jointing with inside cement mortar lining duly ISI marked complete for 150mm dia.

Supply & replace in trenches Ductile Iron pipe centrifugally cast (Spun) with spid, class K-7 confirming to IS 8329/2000 suitable for (Push on) rubber gasket jointing with inside cement mortar lining duly ISI marked complete for 100mm dia in place of GI or CI line.

Supply & fixed Ductile iron fittings of Class K-12 special suitable for push on jointing as per IS 9523/2000 with inside cement mortar lining and out side zinc coating followed by bitumen coating including taking down complete for 80-150mm dia.

Supply & fixed Ductile iron fittings of Class K-12 special suitable for Flange rating PN10/PN-16 jointing as per IS 9523/2000 with inside cement mortar lining and out side zinc coating followed by bitumen coating including taking down complete for 80-150mm dia.

Taking up cast iron/MS/GI/DI water mains of size 100 mm bore (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead.

Taking up cast iron/MS/GI/DI water mains of size 150 mm bore (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead.

Supply and fix foot valve size 80 mm dia installed at suction side of the pump conforming to IS-4038 flanged end complete incl taking down old one complete all as specified and directed.

M&L Plain Cement Concrete Type B1 1:2:4 (using 20 mm graded granite stone aggregate) in bases / pedestals for pipe lines , mud stops or chamfered on edges.

M & L for Making good surface where cutting / Excavated Road/hard standing/path by making cement concrete filling with mass concrete of 1 : 3 : 6 type C2 with 40 mm graded aggregate complete all as specified

Boring under road/ Taxi Track/PCC/Drain for laying of DI pipe up to 100 mm without disturbing top surface all as specified

Material and labour for attending break down of pipe line bursting/cracks including cleaning/removal of broken pipe pieces of various lengths through gas cutting / manual cutting as per site requirement and providing transport to work site with material and tools and inserting necessary specials such as pipes,CI Collar / mechanical Joints etc as required at site under relevent items, including testing for leakages of lead joints and necessary dewatering up to completion of the job work at site for 80mm/100mm dia CI/DI/MS Pipe complete all as specified and directed. Note 1 : The following items, shall be measured and paid separately under relevent items of BOQ. (i) Earth work. (ii) All type of specials of CI/DI/MS pipes of various suitable sizes. (iii) All type of joints like lead joint, tyton joint, flange joint, mechanical collar joint etc. (iv) All CI/DI/MS pipes of various suitable sizes. Note 2 : Rates quoted deemed to be inclusive of the following. (i) Arrangements of suitable Pump set for dewatering at the time of attending break down. (ii) Labour/Tradesman for attending break downs. (iii) Transport to shift the material and tools. (iv) Levelling/ alignment to both sides pipe for jointing. (v) Arrest/rectification of leakages if any while testing if any, immediately to restore.

Excavation in trenches n.exc. 1.5m wide and n.exc1.5m depth for foudation,trenches for laying of cables/pipe line etc. and getting out in soft/loose soil.

Removing excavated material to a distance not exc 50m and depositing where directed at a level not exc 1.5 m above the starting point.

Returning, filling in, incl. spreading, levelling, watering and well ramming in layers not exc 25cm in type of soil

supply and fixing of Gun-metal, globe or gate valves, with iron wheel head, screwed both ends of size 20 mm dia for iron pipe and fixed

supply and fixing of Gun-metal, globe or gate valves, with iron wheel head, screwed both ends of size 25 mm dia for iron pipe and fixed

supply and fixing of high density polyethylene pipe HDPE of pressure rating 6 Kgf/cm2 laid in trenches or fixed on wall or pole with mild steel clamps, nuts, bolts etc for cable protection/Earth strip complete all as specified and directed Make: ORIPLAST/AJPLAST

supply and fixing of Gun-metal, globe or gate valves, with iron wheel head, screwed both ends of size 50 mm dia for iron pipe and fixed

TAPAS ENGINEERING CO

BHAUMIK CONSTRUCTION

BUSINESS SYNDICATE

SITARAM CONSTRUCTION

Oenix and associates

BIKASH CHANDRA NEOGI

BOSE ENTERPRISE INDEX NO.E 106 2010 BKP