REPAIR MAINT TO EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM AT KHANABAL UNDER GE 861 EWS

Amount

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr deep in soft/loose soil and getting out for taking down/laying Pipe lines of any description and in any position including forming sides and bottom surface to required level/ gradients complete all as specified and directed.

Returning filling in, excavated soil including spreading, levelling, watering and well ramming in layers of thickness not exc. 25cm in each layer complete all as specified and directed.

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

Disconnecting and taking up or down old existing steel tubing and connections of any description/grade and in any position in trenches/under floors/on walls etc including connected fittings/ accessories and fixtures like bib-taps/stop valves etc. all as directed and specified for the following sizes :- (a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

(e) 20 mm bore

(f) 15 mm bore

Laying only old steel water tubing and connections of any description/any grade and in any position obtained in serviceable condition from taking down, in new or old position as in trenches with using new fittings i.e. bends/Tee/ sockets/ reducers/elbow etc. including cutting/making new threads at the ends of old pipes for the following size all as specified and directed:- (a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

(e) 20 mm bore

(f) 15 mm bore Note for item No. 10 to 15 (f) The old retrieved steel tubing obtained in serviceable conditions obtained from srl no 04 to 09 shall be re-used under item No 10 to 15) after cutting & removing unserviceable portion and using new fittings like bends/sockets/unions etc for necessary addition/alteration as per site requirement and the rate quoted against this item deemed to include this aspect. (ii) Pipe shall be used after proper cleaning (Internally & externally) as approved by the Engineer-in-Charge.

Supply, laying, jointing and testing in trenches, galvanized iron water tubing medium grade (ISI marked) including provision of all necessary steel fittings/ accessories complete all as specified and directed for the following sizes :- (a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

(e) 20 mm bore

(f) 15 mm bore

Taking up/down existing cast iron pipe lines/water mains of any description and in position including fittings, accessories and fixtures etc existing in between pipe line, by taking out and opening any type of joints (Tyton/Gasket / Lead joints) complete all as specified and directed by the Engineer-in-Charge for following bore of pipes:- (Note : While taking out of water main existing lead shall be recovered by burning out joints carefully from the existing joints of the water mains and shall be the contractor’s property and credit recovery shall be made for the same) (a) 100mm bore

Laying only in trenches, spigot and socketed cast iron pipes of any description/grade and in any position, as obtained from taking up or down, after making necessary addition / alterations and properly cleaning the pipes complete all as specified and directed by Engineer-in-Charge for following bore of pipes:- Note :-(i) Earth work, Joints and CI specials/ fittings of the pipes shall be measured and paid for separately under appropriate item of Schedule `A'. (ii) Joints of the pipes shall be measured and paid for separately under appropriate item of Schedule `A'. (a) 100mm bore

Supplying ,laying, jointing & testing cast iron pipes with spigot and socketed ends centrifugally cast (spun cast) class B in trenches or at vertically position at OHT suitable for run leads joints complete all as specified and directed by Engineer-in-Charge for the following size:- Note :-(i) Earth work, Joints and CI specials/fittings of the pipes shall be measured and paid for separately under appropriate item of Schedule `A' (a) 100mm bore

Supplying and fixing in repair cast iron specials / fittings such as bend, tee, socket, collar, reducer, tail pieces etc. suitable for spigot and socketed/flanged end pipe up to 100 mm bore complete all as specified and directed by Engineer-in-Charge.

Supply, fixing, jointing and testing, ISI Marked, of approved quality, gun metal globe/gate valve with iron wheel head, both ends screwed for iron pipe including taking down of old one complete all as specified and directed for following bore of pipes:- (a) 50mm bore

(b) 40mm bore

(c) 25mm bore

(d) 20mm bore

(e) 15mm bore

Supply, installation, fixing, jointing and testing, ISI Marked, of approved quality, cast iron sluice valve of class PN-1.6 conforming to IS-14846 of 2000 both ends flanged with iron wheel head and stainless steel spindle, long body type, jointed and tested including taking down of old one complete all as specified and directed for following bores :- (a) 100 mm bore

(b) 80 mm bore Note:- (i) Joints of the sluice valve shall be measured and paid for separately under appropriate item of BOQ. (ii) Sluice valve shall be of make Bir/Upadhayay/Sant as approved by GE

Supply and fixing, ISI Marked, of approved quality, cast iron non return valve, PN 1.6, both ends flanged jointed and tested including taking down of old one complete all as specified and directed for following sizes (Make Bir/Upadhayay/Sant as approved by GE ) (a) 100mm bore

Material and labour for rubber gasket joints in flanged end cast iron pipes and fittings complete with and including minimum 3 mm thick rubber /fiber gasket and necessary nuts/bolts/washers including dismantling of flanged pipe joint all as specified and directed for following sizes:- (a) 100 mm bore

(b) 80 mm bore

Material and labour for fabricating and fixing pipe line MS clamp of flat iron made to shape along with nuts, bolt washers etc suitable for pipe line all as specified and directed by Engineer-in-Charge for stopping leaking of pipe lines of any description and in any position clamps shall be shape and size as approved, tightened with suitable nuts, bolts washers as directed by Engineer-in-charge. Note: - (i) Weight of clamps including nuts, bolts and washer shall be measured for payment purpose. (ii) Clamp shall be tightened with using suitable rubber washers. (iii) Clamp shall be provided two coats of black bituminous paints over a coat of red oxide primer after preparation of surface.

M&L for Cutting of the existing CI pipe line for rectifying leakage and reducing to required length, in position, for insertion of collars or other fittings including dewatering etc complete all as specified and directed for the following bore of pipes:- (a) CI Pipe line 100 mm bore

Material and labour for construction of brick masonry valve pit /chamber complete with 3mm thick MS sheet cover with locking arrangement of size 600mm x 600mm x 600mm (depth) (internal dimensions) as shown on Drg No CWE /TD/129 sheet No 1/1 dated 18.12.87 with and including necessary excavation & earth work in any type of soil including dismantling & breaking down the existing valve pit chamber of any size and any shape complete all as specified and directed by Engineer-in-Charge.

Description all as per item No 38 above but of size 900mm x 900mm x 900mm (depth) (internal dimensions)

Material and labour for rectifying leakage of GI pipe line including excavation in mud (not exc 6.1mx0.7m x0.7m) and making arrangement for dewatering by using electric/diesel pump/manual additional labour, for taking out old jointing fitting and S&F new jointing fitting such as socket, nipple,union,elbow and reducers as applicable complete all as directed for following size of pipe lines:- (a) 80 mm bore

(b) 50 mm bore

(c) 40 mm bore

(d) 25 mm bore

(e) 20 mm bore

(f) 15 mm bore

M&L for scraping removing and cleaning of interior surface of overhead reservoir of capacity 25000 Gallons at 30 mtr staging heightl cleaning with Alum water with brush after removing the mud /silt in side the tank to the satisfaction of Engr-in- charge including two coats of white washing to inner surface to tank and two coats of cement base paint outside of the tank and writing date of cleaning and capacity to tank with synthetic enamel paint of size 10cm height on tank complete and all as specified.

M&L for scraping removing and cleaning of interior surface of overhead reservoir of capacity 50000 Gallons at 40 mtr staging heightl cleaning with Alum water with brush after removing the mud /silt in side the tank to the satisfaction of Engr-in- charge including two coats of white washing to inner surface to tank and two coats of cement base paint outside of the tank and writing date of cleaning and capacity to tank with synthetic enamel paint of size 10cm height on tank complete and all as specified.

Dismantling and strip opening of submersible pump & motor of any description and in any position for servicing / overhauling, cleaning, oiling/greasing, fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling the Pump & motor, ensuring proper alignment of pump and motor, fixing in position, connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities pumps & motors :- (a) 10 to25 HP, three phase, 415 Volts, 50 Hz, AC supply Note :Spare parts shall be measured and paid separately under respective item of BOQ.

Supply only the following items / parts of AC submersible motor of any description & any capacity, all as specified and directed by the Engineer-in-Charge Note: Bidders are advised to visit AGE E/M office to get details of Pump's Make, Description and capacity there to before quoting their tenders. (a) Upper & lower rubber housing bush

(b) Stainless steel rotor sleeve.

(c) Thrust bearing complete set.

(d) Upper cast iron housing.

(e) Lower cast iron housing

(f) Upper MS Flange with stud

(g) Lower MS Flange with stud

(h) Motor base CI

(j) segment holder assembly

(k) Motor Strainer

(l) Locator

(m) "O" ring

(n) Circlip

(o) Allen drain plug G.M.

(p) Oil seal

Machining work for the following item & capacities of the submersible motors of any description, complete all as specified and directed by the Engineer-in-Charge. Note: Bidders are advised to visit AGE E/M office to get details of Pump's Make, Description and capacity there to before quoting their tenders. (a) Rotor machining, grinding balancing & reconditioning.

(b) Motor tube boring, machining & reconditioning

(c) Motor lamination setting with material

(d) Thrust bearing & plate reconditioning

(e) Rotor reconditioning

(f) Slote repairing in stator

Supply only the following parts for multistage submersible pump of any description, 10 to 25HP capacity, all as specified and directed by the Engineer-in-Charge (a) Coupling set with key of stainless steel

(b) Discharge outlet of cast iron

(c ) Stage casing of Cast Iron

(d) Gun metal sand guard

(e) Gun metal neck ring.

(f) Gun metal impeller.

(g) Gun metal body bush

(h ) Stainless steel distance bush ( Spacer)

(j) Cast iron suction housing.

(k) Studs for suction housing

(l) Stainless steel connection pieces (Adopter)

(m) Pump Key

(n) Inlet bracket

(o) cable guard

(p) Tie bar

(q) Impeller lock nut

(r) Sim wisher

(s) LN key (Top wisher)

(t) Gun metal diffuser

(u) D.O. bush for diffuser

(v) Diffuser housing assy.

Disconnecting the existing non functional submersible pump set from supply, dismantling existing CI bend from non return valve, removing and lifting out submersible pump set of any description and capacity & in any position, along with existing column pipe 80/50mm dia and existing submersible cable of any size from the bore well 150mm bore (approximately 40 mtr depth of pump set from GL) complete all as specified and directed by Engineer-in-Charge. NOTE: 1. Contractor shall take proper precautions while lifting out and removing pump set from bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost 2. Taking out of Sunken submersible pump sets if any shall be measured and paid for separately under appropriate item of Schedule `A' without making any adjustment in above rates

Lowering down of the submersible pump set after repair of any description and any capacity & in any position, in bore well along with column pipe 80/50mm dia and submersible cable of any size (approximately 40 mtr depth of pump set from GL) complete all as specified and directed by Engineer-in-Charge including making necessary electric connections & testing the pump set after lowering. NOTE: 1. Contractor shall take proper precautions while lowering pump set in bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost. 2. Rates quoted by the contractor for the above item includes the cost of assembling & connecting pump set to column pipes & assembling, jointing and fixing column pipes/pump sets/submersible cable and making necessary connections and including reconnecting water supply system. The required materials like column pipes/ /submersible cable/pump sets etc (new/old retrieved materials) shall be provided by the department to contractor for fixing and lowering in bore wells

Taking out & removing old burnt out windings of the submersible electric motors of following capacity and rewinding of submersible electric motors with existing size PVC insulated, copper conductor as approved by the engineer-in-charge including cleaning the slots with carbon- tetra-chloride solution before rewinding ,transportation to site, fixing / lowering in position & testing on full load etc complete all as specified and directed by Engineer-in-Charge:- (a) 10 25 HP, three phase, 415 Volts, 50 Hz, AC supply

Supply only 10 Sqmm, 3 Core, flat submersible Cable, PVC insulated, PVC sheathed with multi-stranded copper conductors, 1100 Volt grade, complete all as specified and directed by Engineer-in-Charge.

S&F in repair fully automatic star delta starter suitable for 20 HP, 415 volt, 50 HZ AC supply electric motor contactor size 25 , over load relay 17-25 Amp all as specified and directed by Engr-In-Charge Make: Havells/L&T/Siemens

S&F in repair fully automatic star delta starter suitable for 25 HP, 415 volt, 50 HZ AC supply electric motor contactor size 32 , over load relay 28-36 Amp all as specified and directed by Engr-In-Charge.

M&L lagging to pipes used in external water supply of plumbing all around with 25mm thick bonded mineral wool pre-formed. SNAPON pipe section of density 144 Kg/Cum conforming to IS-9842 or equivalent and provided chicken wire mesh netting 25gauge 20mm meshing and plaster of Peris 3 to 5 mm thick all around the mesh after breaking old unsv/ broken lagging all as specefied and directed by Engineer in charge for the following pipe lines :- (a) GI tubing 25mm dia bore.

(b) GI tubing 20mm dia bore.

(c) GI tubing 15mm dia bore.

Supply and fixing, ISI Marked, of approved quality, cast iron butter fly valve, both ends flanged jointed and tested including taking down of old one complete all as specified and directed for following sizes (Make Bir/Upadhayay/Sant as approved by GE ) (a) 100mm bore

S&F connecting and testing change over switch 4 pole 415 volts on load of rating 63 Amp and including sheet enclosures complete including taking out to old u/s switch complete all as specified.

Periodically maintenance of hot water plant capacity 100000Kcal/hr/200000 Kcal/hr including checking serviceability of burner, control panels, pressure gauge , temperature gauge , thermostat or temperature controller device , connection of water and flue gas pipes , hot water and cold water pumps , cleaning and servicing of boiler including any other safety device all as directed by EIC

Supply only Relay suitable for hot water Capacity 200000 Kcal/hr, complete all and directed by Engr-in- Charge.

Supply only power contactor for hot water Capacity 200000 Kcal/hr, complete all and directed by Engr-in- Charge.

Supply only oil pump suitable for hot water capacity 100000 Kcal/hr, complete all and directed by Engr-in- Charge.

M&L Plain cement concrete M-15, nominal mix, B-1, using 20mm graded mechanically crushed stone aggregate as in foundation, filling and mass concrete or in any position including necessary form work , all as specified.

M/S MOHD SHABAN SHEIKH