REPAIRS AND MAINTENANCE OF EXTERNAL WATER SUPPLY DISTRIBUTION SYSTEM, NDA PUMP HOUSE AND OTHER ASSOCIATED WORKS UNDER GE(I) RnD PASHAN

Amount

Excavation in trenches not. exceeding 1.5 metre wide and not exc 1.5 metre in depth and getting out complete all as specified and directed in :- (a) Soft soil

(b) Hard/dense soil

Returning filling in trenches including spreading leveling watering and well ramming in layers not exceeding 25 cm in soils complete all as specified and directed.

Removing surplus soil and depositing to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed by Engr-in-Chagre.

Taking up or down following size GI water tubing including removing of all necessary connections/fittings as specified and directed by Engineer in Charge. (a) 15 mm dia

(b) 20 mm dia.

(c) 25 mm dia

(d) 40 mm dia

(e) 50 mm dia

(f) 80 mm dia (Note for item No 5 to 10 excavation and earth work as required shall be measured & paid separately).

Relaying and refixing the GI pipe after descaling / cleaning complete with the help of water & brush of the following size / bore obtained from Sl item No 5 to 10 above and connect in old / new positions, laid in trenches fixed on wall / floor including provision of new fittings such as bends, tee, unions, elbows, sockets etc complete all as specified and directed. (a) 15 mm dia.

(b) 20 mm dia.

(c) 25 mm dia

(d) 40 mm dia

(e) 50 mm dia

(f) 80 mm dia

Supply and fix GI tubing medium grade ISI marked fixed on wall, roof, floor complete with necessary fittings such as Tees union , bend ,elbow nipple reducer etc , all as required at site for branch connection including cutting threading complete all as directedby Enginner-in-Charge. (a) 15 mm dia

(b) 20 mm dia.

(c) 25 mm dia

(d) 40 mm dia

(e) 50 mm dia

(f) 80 mm dia

Material and labour for galvanized iron water tubing medium grade ISI marked laid in trenches complete with necessary fittings such as Tees union,bend,elbow nipple reducer etc all as required at site for branch connection including cutting threading complete all as specified and directed. (a) 15 mm dia

(b) 20 mm dia.

(c) 25 mm dia

(d) 40 mm dia

(e) 50 mm dia

(f) 80 mm dia

Supply and fix in repair gun metal gate / globe valve with iron wheel head screwed both ends for iron pipe fixed complete all as specified and directed of following sizes :- (a) 15 mm dia

(b) 20 mm dia.

(c) 25 mm dia

(d) 40 mm dia

(e) 50 mm dia

(f) 80 mm dia

Material and labour for cutting of Roads / Plinth for removal / laying of pipe and making good the distrubed surfaces as per existing adjoining surfaces complete all as specified and directed. Note : PCC will be measured and paid separetely.

Material and labour for PCC in 1:2:4 type B1 using 20 mm graded stone aggregate for making good road/foot path/hard standing/drain/ bldg plinth protection and foundation for motors, pumps and starters all as per site requirement and as directed by Engr-in-Charge.

Material and labour for Construction of Valve pit with 23 cm thick brick masonry walls in CM 1:4, rendering 15 mm thick in CM 1:4 internally including pcc coping 1:2:4 type B1 using 20 mm graded stone aggregate, 150 mm thick PCC 1:4:8 type D2 using 40 mm graded broken stone aggregate for sub base of floor, 50 mm thick PCC 1:2:4 type B1 using 20 mm graded crushed stone aggregate in floor finished even and fair without using extra cement including Mild steel sheet cover 3mm thick and angle iron frame of size 40x40x6mm duly painted with two coats of synthetic enamel paint over a coat of red oxide primer and including locking arrangement and lifting handle all as specified and shown on drawing Of Size 1000X1000X1000 mm ( internal dimensions) complete all as specified and directed. NOTE: Cost of Earth work including excavation in any type of soil,getting out, refilling after construction and disposal of surplus soil is deemed to be included in quoted rates.

Material and labour for Construction of Valve pit with 23cm thick brick masonry walls in CM 1:4, rendering 15 mm thick in CM 1:4 internally including pcc coping 1:2:4 type B1 using 20 mm graded stone aggregate, 150 mm thick PCC 1:4:8 type D2 using 40 mm graded broken stone aggregate for sub base of floor, 50 mm thick PCC 1:2:4 type B1 using 20 mm graded crushed stone aggregate in floor finished even and fair without using extra cement including Mild steel sheet cover 3mm thick and angle iron frame of size 40x40x6mm duly painted with two coats of synthetic enamel paint over a coat of red oxide primer and including locking arrangement and lifting handle all as specified and shown on drawing Of Size 2000X2000X2000 mm ( internal dimensions) complete all as specified and directed. NOTE: Cost of Earth work including excavation in any type of soil,getting out, refilling after construction and disposal of surplus soil is deemed to be included in quoted rates.

Material and labour for run lead joints for CI pipes / Fittings complete with necessary jointing material such as lead and spun yarn for jointing of pipes including burning out leaking joints complete all as specified and directed by Engr-in- charge for the following sizes . (a) 100 mm dia pipe

(b) 150 mm dia pipe

(c) 200 mm dia pipe

(d) 400 mm dia pipe

Disconnecting/taking out unservicable gunmetal/stainless steel spindle with wedge nut and supply and fixing new stainless steel spindle with wedge nut includilng all fixing nut and bolts and fixing material as required at site as directed by Engineer-in-charge for following sizes:- (a) Sluice valve size 80 mm dia

(b) Sluice valve size 100 mm dia

(c) Sluice valve size 150 mm dia

(d) Sluice valve size 200 mm dia

(e) Sluice valve size 400 mm dia

Supply and fix in repair Cast Iron air valves with two air outlets, 100mm dia and fixing in cast iron water supply mains complete all as specified and as directed by Engr-in-Charge.

Supply and fix in repair Cast Iron air valves with two air outlets, 150mm dia and fixing in cast iron water supply mains complete all as specified and as directed by Engr-in-Charge

Supply and fix in repair Cast Iron air valves with two air outlets, 25mm dia and fixing in cast iron water supply mains complete all as specified and as directed by Engr-in-Charge

Dismantling / disconnecting unserviceable 100mm size sluice valve assembly complete by removing old nut bolts packing sheet etc and Supply & Fix new CI Sluice valve with stainless steel spindle PN- 1.6, ISI marked IS No.14846-2000 including jointing material nut bolts packing all as per site requirement including machining work if required all as specified and directed by Engr-in-Charge.

Dismantling / disconnecting unserviceable 150mm size sluice valve assembly complete by removing old nut bolts packing sheet etc and Supply & Fix new CI Sluice valve with stainless steel spindle PN- 1.6, ISI marked IS No.14846-2000 including jointing material nut bolts packing all as per site requirement including machining work if required all as specified and directed by Engr-in-Charge.

Dismantling / disconnecting unserviceable 200mm size sluice valve assembly complete by removing old nut bolts packing sheet etc and Supply & Fix new CI Sluice valve with stainless steel spindle PN-1.6, ISI marked IS No.14846-2000 including jointing material nut bolts packing all as per site requirement including machining work if required all as specified and directed by Engr-in-Charge.

Dismantling / disconnecting unserviceable 250mm size sluice valve assembly complete by removing old nut bolts packing sheet etc and Supply & Fix new CI Sluice valve with stainless steel spindle PN-1.6 ISI marked IS No.14846-2000 including jointing material nut bolts packing all as per site requirement including machining work if required all as specified and directed by Engr-in-Charge.

Dismantling / disconnecting unserviceable 400mm size sluice valve assembly complete by removing old nut bolts packing sheet etc and Supply & Fix new CI Sluice valve with stainless steel spindle PN-1.6 ISI marked IS No.14846-2000 including jointing material nut bolts packing all as per site requirement including machining work if required all as specified and directed by Engr-in-Charge.

Material and labour for running welding including cleaning and preparing the surfaces to be welded together exceeding 9mm and n.exc 20mm, holding the members in true position while welding and bevelling of edges complete as per site requirement and as directed by Engr-in-Charge.

Repair of water supply line (Raw/Fresh water) with mechanical joint, of CI pipe line size 80mm to 200mm including taking out the puncture/cracked existing pipe and transport to local workshop, Barrel piece of same size cutting of damaged portion of pipe through welding/gas welding, making rough surfaces smooth and champhered by grinding and then connected through mild steel mechanical joint of adequate size with rubber rings both sides and fastener of required size and shape complete as per site requirement. Note :Note : (i) Testing/commissioning the pipe line on full pressure after completing the job will be carried out and payment will be made for this job if found satisfactory other wise the same shall be done again and no extra payment will be made on this account. (ii) Rate for necessary T&P required at site should be included in quoted rates by contractor.

Material and labour for cleaning of CI/DI raw water pipe line upto 200mm dia by deploying skilled manpower for removing of mud/sludge by scrapping/pressurise back water including making arrangement such as portable pump set, portable welding set and any other equipment as per site requirement to the satisfaction of Engr-in-Charge.

Material and labour for overhauling for pump set by dismantling the pump set opening, cleaning, greasing including replacement of spare parts and re-assembling after repairs including all required metalling, grinding, etc., transportation, reinstalling back to position and testing complete for 40 to 120 HP all as directed by the Engr-in-Charge. Note : (i) Minor spares such as gland packing, gaskets, nuts, bolts, grease, various rings deemed to be included in the quoted rates. (ii) Major spares such as shafts, bearings, impeller, throat bush, coupling will be measured & paid separately under respective items of Sch 'A' as supply only.

Supply only following spares for pump sets of capacity 40 to 120 HP under item No 59 above:- (a) Shaft sleeve

(b) Shaft sleeve nuts ( set of 4)

(c) Bearing cartridge DE/NDE

(d) Bearing cover DE/NDE (set of 2) Split gland coupling

(e) Bearing cap (set of 2)Wear Ring

(f) Bearing lock nut

(g) Throat bush (set of 2)

(h) Gland packing 10sqmm

(j) DSM 100/36 set of Gaskets

(k) DSM 100/36 set of 'O' rings

(l) Bearing set of 40 to 120 HP pump set make Kirloskar as required at site

Material and labour for Disconnecting the electrical and mechnical connection of burnt electrical motors from the site/location including transporting to and from workshop, rewinding of electrical motors by dismantling and removing the burnt out copper winding wire,cleaning the slots of stator with petrol and brushes,winding with polyster based super enameled copper wire of same guage of original one with proper class of insulation including varnishing and heating the coil and remove the air bubbles complete,stator/rotor after rewinding,reassembling all parts including reinstalling,connection to original position and testing on full load all as directed by Engineer-in-charge for capacity of motor 90 to 120 HP three phase induction motor.

Dismantling after diconnecting of all electric connection of soft starter of any make and capacity 120 HP pumping set and sent to authorised/manufacturer workshop for servicing, repair & testing and renewal of all unserviceable parts whichever required to make it serviceable in all respect including programmeable card as per recommendation of manufacturer and brought back to pump house and refixing/reconnection of electric connection on its original position and testing and commissioning with full load complete all as specified and as directed

Material and labour for disconnecting the electrical and mechanical connection of burnt electrical motors from the site / location including transporting to and from work shop, rewinding of electrical motors by dismantling and removing the burnt out copper winding wire, cleaning the slots of stator completely and winding polyster based super enamelled copper wire of same gauge of original one with 'F' class of insulation including varnishing and heating the coil and remove air bubbles complete stator/rotor after rewinding reassembling all parts including reinstalling connection to original position and testing on full load complete all as specified and directed by Engineer in charge for different capacity of motor as per following:- (a) Up to 1 HP to 5 HP three phase monoblock motor

(b) 7 to 10 HP three phase mono block motor

(c) 0.5 HP single phase pressure pump motor

Supply only pressure switch in exisiting pressure pump of 0.5 HP complete all as specified and directed

Supply and fix water pump seal kits of pressure pump set 0.5 HP complete all as specified and directed

Supply and fix in repair pressure pump stage type including pressure switch automatic control set 0.5 HP complete all as specified and directed

Supply only gland packing 10mm size complete all as specified and directed

Supply only gland packing 12mm size complete all as specified and directed

Supply only SG grease Gde-I complete all as specified and directed

Cutting of existing cast iron pipe at site 100mm bore for insertion of new branch line of any bore complete all as specified and directed

Cutting of existing cast iron pipe at site 150mm bore for insertion of new branch line of any bore complete all as specified and directed

Cutting of existing cast iron pipe at site 200mm bore for insertion of new branch line of any bore complete all as specified and directed

Material and labour for CI pipes with spigot and socket ends centrifugally cast, class LA in any length any type laid in trenches/laid in floors including taking down existing unserviceable CI pipes complete all as specified and directed Note : Run lead joints and flange joints shall be measured and paid seperately. (a) 200 mm dia

(b) 150 mm dia

(c) 100 mm dia

Taking down unserviceable CI/DI/ fitting of any discription and S&F cast iron fitting (any type radius and angle) taper any type (Straight) bend increasing decreasing or double socket etc Tee pieces, single branch ‘Y’ junction double branch, collar, capacity and plugs for up to 150 mm dia CI pipe conforming to IS-1538- 1976 complete and all as specified and directed.

All as per item No.96 above but size 200 mm to 300 mm dia

Material and labour for mechanical joint made out of MS sheet fabricated as per existing site requirement including long MS nuts bolts rubber gasket cutting of pipe of any size GI/CI/MS/ DI pipe all as directed by Engr-in-charge for 300mm dia pipe. (Note: Excavation and returning filling & removal etc included in quoted rate )

All as per item No.98 but CI pipe 200 mm dia

All as per item No.98 but CI pipe 150 mm dia

All as per item No.98 but CI pipe 100 mm dia

All as per item No.98 but CI pipe 80 mm dia

Drilling and tapping GI pipe iron water mains (in position) of any size for branch connections of the internal dia 15/20/25mm with connecting screws screwed both ends complete all as specified and directed

Supply and fix in repair MS base plate suitable for 90 to 120 HP pumping set complete all as specified and directed

Supply and fix in repair love joy coupling heavy duty suitable for 90 HP motor complete all as specified and directed

Disconnecting existing water storage tank of PVC/RCC tank, removal of water if any from the tank and cleaning the bottom and internal periphery of the tank by using wire brushes to remove the Mud, Algae, fungus etc without damaging the water tank and finally rinsing the tank by using chlorine/bleaching powder/altoc GP or any other similar type of disinfectent chemical as directed by Engr-in-Charge complete all as specified or as directed at site for the following capacities. Note : Date of cleaning of tank to be indicated with removal/defacing of earlier date of cleaning as DD/MM/YYYY and also paste the reflector stickers on all cleaned tank as "SAVE WATER" with white background and letters in blue on each cleaned tank. (a) Capacity upto 500 Litre

(b) Capacity upto 1000 Litre

Supply and fixing Rotational moulded polye thylene water storage tanks capacity 1000 ltrs (cylindrical vertical with closed top) triple layered hoisted and fixed in position complete all as specified and directed.

Material and labour for cover/lid to existing water tank 500 to 1000 ltr capacity complete all as specified and directed

YOGESH ELECTRICALS (BID ID -3311906)

Star Electrical (BID ID -3312418)

PAMS ENTERPRISES (BID ID -3312540)

M/S EAGLE ENTERPRISES (BID ID -3313120)

UNIQUE ENGINEERS (BID ID -3313397)