Repair/maint of water supply pump motors, automatic dosing systems, CI/GI/DI pipeline, cleaning of OH tanks including procurement of chlorine and allied works at AF Stn Darbhanga under GE (AF) Bihta.

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr deep in loose / soft soil and getting out for under ground cable / erection of poles, stays etc complete all as specified and as directed by Engr-in-Charge.

Returning, filling in including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick complete all as specified and as directed by Engr-in-Charge.

Removing of excavated material n, exc 50 mtr away and depositing where directed at a level n, exc 1.5 mtr above the starting point complete all as specified and as directed by Engr-in-Charge.

M & L for cleaning of over head reservoir internally from base to top including scraping the mud silt from base and walls, washing the complete internal surfaces with bleaching powder, antibacterial sodium hypochlorite solution to inner surface with clean water ,removing the silt/mud water out side the tank and desilting from connecting pipes and applying internally one coat of lime wash to RCC walls ,base of tanks of 5000 gallons upto 30 mtrs staging complete & writing details of cleaning in prescribed format complete all as specified and as directed by Engr-in-Charge. Location : Pump House No 1 &3

S & F in replacement of old unsv panel inbuilt star delta starter/DOL assembly complete suitable upto 25 HP sub mersible pumping set fixed in LT control panel of pump house including replacement of existing unsv panel wirings and accessories complete all as specified and as directed. Make:- Havells/Schneider/L&T

S & F in replacement of old unsv agitator motor, 120W, single phae, 220 V AC, 50 Hz, 6 pole, 960 PM where directed and testing upto the satisfaction of Engr-in-Charge complete all as specified and as directed. Make:- Ravi Enterprises or equivalent in RAMCO/Decli-back.

Water testing per month as per approval lab civil medical authority’s of test chemical and biological report and including all testing kit and other items . water collected on present of medical staff in the stn and report submitted to every month fist week all as specified and as directed. Note:- Test certficate shall be provided from authorised laboratory

M & L for rewinding of burnt submersible pumping set of capacity 25 HP capacity with the existing gauge of copper winding wire with same insulation including replacement of bearings complete all as per standard norms and testing upto the satisfaction of Engr in-charge including taking out and refixing the motor/pump at any depth. Note:- Contractor shall give gurantee certificate for one year from the date of installation of motor.

Taking out up/down old unserviceable DI/CI pipe with all fittings from trenches of following sizes all as directed :- Note:- Excavation & earth work will be measured & paid seperately under respective item ). (a)100mm

Supply & Fixing DI pipe of 100 mm bore ISI marked, spigot and socketed type, Class K-7 centrifugally cast suitable for rubber tyton joints laid in trenches complete all as specified and as directed by Engineer-in-charge (Earth work for excess width of taking down, route change of pipe & joints shall be measured and paid separately Make:- Electro Steel/Tata/NECO/Kesoram/Rashmi Metaliks

Supply & Fixing Cast iron pipes 100 mm bore ,with spigot and socket ends,vertically cast,class B,in any length laid in trenches

Laying only, testing and connecting in trenches DI/CI pipe 50 mm bore medium grade ISI Marked of following sizes with all fittings complete all as specified and as directed by Engineer-in-Charge. Note:- Good condition of retrieved DI/CI pipes under Schedule item Ser No 7 shall be re-used after through cleaning of pipes.

M & L Bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs upto 150mm bore for spigot socketed pipes.

M & L Bends. Tapers. Tee pieces (single & double branch) any type and angle/radius and straight connecting pieces but all ends flanged upto 150mm bore for flanged pipes.

Taking out old unserviceable GI tubing with all fittings from trenches, walls, floors etc of following sizes complete all as specified and as directed by Engr-in-Charge:- Note:- Excavation & earth work will be measured & paid seperately under respective item ). a) 50 mm bore

b) 25 mm bore

M & L for GI pipe medium grade with all fittings laid in trenches 50 mm bore medium grade ISI Marked of following sizes with all fittings complete all as specified and as directed by Engineer-in-Charge.

Description all as per ser item No 31 here-in-before but of size 25 mm Dia

Laying only, testing and connecting in trenches GI pipe 50 mm bore medium grade ISI Marked of following sizes with all fittings complete all as specified and as directed by Engineer-in-Charge. Note. Good condition of retrieved GI pipes under Schedule item Ser No 13 shall be re-used after through cleaning of pipes.

Description all as per ser item No 16 here-in-before but of size 25 mm Dia

Supply and fix in repair MCCB 4 pole, 415 V, adjustable type100 Amp with braking capacity 16KA . Make:- Havells Cat No IHLASF0100 or equivalent and approved model of L&T/MDS/Scheineder

Supply and fix in repair MCCB 4 pole, 415 V, adjustable type63 Amp with braking capacity 16KA Make:- Havells Cat No IHLASF0630 or equivalent and approved model of L&T/MDS/Scheineder.

Earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to galvanised iron strip of size 25X4mm by means of galvanised iron bolts nuts check nuts and washers and other end connected with earthing testing point including providing suitable testing points as directed including funnel, watering pipe of 40 mm bore, light grade galvanized iron pipe,including earth lead strip upto 15m, wire mesh charcoal of coal dust and common salt in alternative layer all around the earth electrode compacted thickness 15cm with concrete pit in PCC 1:3:6 type C1 50mm thick pre cast RCC 1:2:4 type B1 cover slab set in CM (1:4) re-enforcement with 8mm dia deformed bars @ 15cm C/C and suitable handle of 10mm dia MS round bars, including earth work as required complete all as shown in electrical plate No 5 of MES Schedule Part I and testing complete all as specified and as directed by Engr-in-Charge.

Material & Labour for brick masonry valve pit internal size 900mm x 900mm x 900mm with one brick thick wall using sub class ‘B’ brick in cement mortar 1:6 over 20cm thick PCC plate form with 15cm off sets on every side of 1:3:6 type C-1 including plastering of internal surfaces and exposed surfaces with 15mm thick plastering in cement mortar 1:4 and 50mm thick RCC cover (in two equal parts 1:2:4 type B-1 with 10mm dia deformed bars at 10cm interval on both side including necessary form work with 150mm dia hole in the center complete all as specified and as directed by Engineer-in-Charge

Description all as per ser item No 48 here-in-before but of size 600mm x 600mm x 600m -ditto-

Supply and fixing of unsv/damaged butterfly valve, lever operated, pressure rating PN-1.6, water type nitrile rubber lining, suitable insertion between flange ends, 80mm nominal bore ISI marked complete with MS tail pieces double side flanged incuding welding work as per site requirement, rubber/fiber board gasket, nut & bolt, washers etc complete all as specified and directed by Engr-in-Charge Make:- BIR/L&T/ZOLOTO/Ramco

S & F in replacement of unsv/damaged gun metal globe or gate valve of following sizes with cast iron wheel head screwed both ends for iron pipe complete all as specified and as diected :- (a) 50mm dia bore

(b) 40mm dia bore

(c) 20mm bore

(d) 25mm bore

Labour only repair pipe line , any type of joint, any size of valve, fitting re-assemblingthe fitting including earth work any other work day to day complant, complete all as specified and directed by Engineer-in-Charge. Note:- Qouted rate shall be deemed of all spare parts required for repair of any type of pipe line.

Supply, install, testing and commission of out door type cubical feeder pillar box outer shell made out of 3.15 mm thick MS sheet inner shell made out of 2.00 mm thich MS sheet and MS angle section 40x40x6 mm on PCC 1:2:4 type B-1 platform 45cm above the ground level and 30 cm below the ground level, frame factory fabricated with front and back open able double door system complete suitable for 3 phase 4 wire 415 Volt, 50 Hz, comprising of the following:- a) TPN, Copper bus bar 600 Amps insulated with colour coded heat shrinkable sleeve provided with Changer switch of amp same as incoming MCCB. b) Incoming MCCB 4 pole 400 Amps -01 Nos c) Outgoing MCCB 4 pole 160 Amps -04 Nos c) Outgoing MCCB 4 pole 100 Amps -02 Nos c) Indicator lamps RYB –01 S et d) Digital Voltmeter 0-500 volts 96 mm square flush pattern-01 No e) Digital Amp meter 0-400 Amps 96mm square flush pattern - 07 No

Note:- (i) The quoted rate shall includes minor items such as lugs, nuts & bolts, washers, top insulators, sleeves, spreaders, provision of extra holes in bus bar, provision of cable gland etc. (ii) All internal wiring shall be done with suitable size (iii) The panel shall be mounted on brick wall not less than the height of 0.6m of three sides and masnory work complete all as directed incl white washing for brick work.

M&L for strip opening of unsv pumping sets, copper winding wires of any gauge, rewinding of motor by using new PVC insulated copper wire of same gauge of submersible electric motor 3 phase 415 volts 5/7/7.5 HP capacity including taking out and refixing the motor/pump at any depth, complete all as specified and directed. Note:- Contractor shall give one year guarangee for winding of motor in writing to department. In case winding shall damage/burnt/ defective in any reason, contractor shall repair the same with free of cost.

S&F 3 core flat copper conductor,multistranded cable for submersible pump set of 1100 volt grade 10 sqmm size Make:- HAVELLS Cat Pat No WHPNDSKB3010 or equivelent make and model of FINOLEX/PLAZA /Paragon

Supply & Fixing in replacement of old unsv CI Sluice valve with flanged ends of size 100 mm dia complete with gun metal or stainless steel spindle and cast iron hand wheel including rubber / fiber board gasket,nuts, washer etc including taking down old/ unservicable Sluice valve complete all as specified and as directed by Engineer-in Charge Make:- BVI/ Kirloskar/ Kishor/Kartar

Supply of chemical (Calcium based granular disinfectant for water treatment more sutable that chlorine gas and stronger than bleaching powder abd sodium hypochloride) Packing in 45 kg plastic drum as E-IN-C Br approval.

SHIV SHAKTI TRADERS

Jai Maa Construction

B.K. ROY & SONS