REPAIR MAINT OF CHLORINATION PLANTS, ELECTRICAL PANELS, PERIODICAL SERVICES OF FILTERATION PLANT, VALVES, VALVE PITS AND WATER QUALITY REPORTS AT OTHER THAN BASISTHA AND REPAIR MAINT OF FIRE FIGHTING EQUIPMENT, PUMPS, HOSE REEL BOXES, MAINT OF STP AN

Supply, fixing & testing as in reapir 80mm bore sluice valve cast iron body PN-1.6 heavy duty (ISI marked) long body confirming to IS-14846-2000 withiron wheel head & brass spindle and flanged both ends suitable for fixing with mild steel nuts, bolts, washers, rubber/fibre board gaskets including all jointing materials complete all as specified and directed

Supply, fixing & testing as in reapir 100mm bore sluice valve cast iron body PN-1.6 heavy duty (ISI marked) long body confirming to IS-14846-2000 withiron wheel head & brass spindle and flanged both ends suitable for fixing with mild steel nuts, bolts, washers, rubber/fibre board gaskets including all jointing materials complete all as specified and directed

Supply, fixing & testing as in reapir 150mm bore sluice valve cast iron body PN-1.6 heavy duty (ISI marked) long body confirming to IS-14846-2000 withiron wheel head & brass spindle and flanged both ends suitable for fixing with mild steel nuts, bolts, washers, rubber/fibre board gaskets including all jointing materials complete all as specified and directed

Supply, fixing & testing as in reapir CI Reflux/ Non Return valve suitable for 80mm dia bore pipe heavy duty both end flanged of pressure rating PN-1.6 confirming to IS: 5312, ISI marked and jointed with rubber or fibre board gasket complete with and including all fixing accessories like nuts of required number and size, bolts & washers etc complete all as specified and as directed.

Supply, fixing & testing as in reapir CI Reflux/ Non Return valve suitable for 100mm dia bore pipe heavy duty both end flanged of pressure rating PN-1.6 confirming to IS: 5312, ISI marked and jointed with rubber or fibre board gasket complete with and including all fixing accessories like nuts of required number and size, bolts & washers etc complete all as specified and as directed.

Supply and fixing integral LED avaiation obstruction light comprising of aluminium housing with polycarbonate enclosure having 10W bulb complete including standard fixing arrangment complete all as specified and as directed.

Supply and fixing, in repair, 6 Sqmm, 3 core, 1100 volts grade, flat cables with copper conductor PVC insulated for submersible pump motors complete all as specified and as directed.

M&L for construction of valve pit chamber of size 900x900x900mm (internal dimension) using 150mm thick PCC (1:4:8) type D2 (using 40mm graded stone aggregate) as in foundation, 230mm thick brick wall built in CM (1:4), and 10mm thick rendering in cement mortar (1:6) all round both externally and internally, external plaster shall be up to 25cm below GL, providing valve pit cover made of 1.60mm thick MS sheet/plate, including provision of hinges, handle and locking arrangement including 40X40X3mm angle iron frame fixed on top of valve pit by means of MS hold fast 40x5mm and 150mm long, embedded in PCC (1:2:4) type B-1 (using 20mm graded stone aggregate) and wall of sub class 'B' bricks, includingpainting of steel surfaces with two coats synthetic enamel paint over a coat of red oxide primer finishing coat including necessary excavation in any type of soil, return filling in, removal of surplus soil to a distance not exceeding 50 mtrs all as specified and including demolition/ dismantling of existing craked valve chamber complete all as specified & directed.

Supply, installation, testing and commisioning of dozing machine in replacement having Automatic, compact, universal, non-gaseos chlorine dosing system with the following specifications:- (a) System suitable for both solutions & light slurries (b) Superior compatibility with aggressive chemicals (c) Mono-compartment 100 L water treatment station with proportional dose adjustment options (d) Powerful motorised fluid delivery drive with dry-run protection (e) Off-gassing solutions & dry-run prevention (f) Prime loss: Zero (g) Efficient electro-mechanical blend module: prevents vortex formation (h) Fluid release up to 50 LPH independent of back pressure up to 8 Bars (j) Continuous chlorine release with accurate output reproducibility (k) Integrated plug & play system operating on single phase 230 V 50 Hz power source complete all as specified & directed.

M&L for preparing new Steel surfaces of any description, not otherwise describe over 10cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

M&L for writing letters of figures (Block, Roman, Italic, Indian) not exceeding 30 cm height with thick synthetic enamel paint or as per colour scheme as directed complete all as specified & directed.

M&L for repair/ maintenance of LT panel door by replacement of hinges and locking arrangement including necessary welding/ nuts, bolts, washers as per existing size/ type complete all as specified and directed. (Note: One side door will be measured & paid as one job).

Supply, fixing & testing butterfly valve cast iron body for 80 mm bore pipe as in repair complete all as specified and directed

Supply, fixing & testing butterfly valve cast iron body for 100 mm bore pipe as in repair complete all as specified and directed

Supply and fixing mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 15 cm but not exc 22 cm long and dia of neck 16 to 20mm, complete all as specified & directed.

Supply and fixing in repair gasket 300mm size complete all as specified and directed.

Supply, install, testing and commissioning of floor mounted LT OUTDOOR feeder pillar box, AC 415 V, 50 HZ 3 Phase 4 wire of suitable size for accomodating the following accessories totally enclosed self supporting structure / cubicle, fully compartmentalized type, suitable for indoor use, with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick with CPRI approved CRCA steel sheet of suitable size with angle iron frame work and legs of ISA 50X50X5 mm, with four legs grouted to PCC (1:2:4) type B1, foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter, changeover switch and MCCBs, hinged doors at front with suitable locking arrangement, Provision of louvers at sides, structure treated under 8 - tank metal treatment process and duly powder coated, complete all as specified and directed. Item continued below from srl No.18.01

Item continued from above srl item No.18.00 (a) BUS BAR : Aluminium bus bar 200 Amps , supported on non hygroscopic fibres and brass screws for mounting -04 Nos (b) INCOMER : (i) Supply and fixing onload changeover switch of capacity 60 Amps - 01 No (ii) Supply and fixing main incoming MCCB 4 pole 415 Volts with microprocessor controller of breaking capacity of 25 KA of 63 Amps with thermal and fixed magnetic setting - 01 Nos (c) INDICATING DEVICES : Supply and fixing LED Indicating lamps for Main Supply indicating R, Y, B - 03 Nos (d) Supply and fixing Digital Ampere Meter of size 100mmX100mm for 0-300 A display, incl CT having CTR 200/5 - 01 Nos & Digital Voltmeter 0-500 Volts, SIF 96 - 01 Nos (e) OUTGOING DEVICE : (i) Supply and fixing Atomatic star delta starter for 20 HP motor - 01 No (ii) Supply and fixing MCCB 3 pole capacity of 32Amps with breaking capacity 16KA with thermal and fixed magnetic setting - 01 No

Chemical and bacteriological testing of water sample collected from Various pump houses of other than basistha area (Borjhar, IWT main, IWT Training, Sadilapur Transit Camp, MC Group, Md Accn Shantipur and Transit camp), The water sample should be collected as a raw water sample and treated water sample. Raw water sample should be collected at the inlet point of IR plant and treated water sample should be collected at the delivery point of IR plant or user end. The water sample have to be sent in Govt Approved laboratary and following parameter should be tested- Iron, odhour, PH value, Total Hardness, chlorine, Residual free Chlorine, fluride, total dissolve solids, total calcium, Magnesium, sulphate, total alkalinity. Note- Water Sample collected from all seven locations (Borjhar, IWT main, IWT Training, Sadilapur Transit Camp, MC Group, Md Accn Shantipur and Transit camp) and testing of these seven samples is treated as single Job. Note : Test report of water samples shall be submitted alongwith RAR/Final Bill.

Supply, fixing & testing as in reapir CI Reflux/ Non Return valve suitable for 150mm dia bore pipe heavy duty both end flanged of pressure rating PN-1.6 confirming to IS: 5312, ISI marked and jointed with rubber or fibre board gasket complete with and including all fixing accessories like nuts of required number and size, bolts & washers etc complete all as specified and as directed.

Supply and fixing in repalcement pressure gauge 100mm dia with ball valve of pressure 25Kg/Sqcm complete all as specified and as directed.

S&F 25mm Gun-metal, globe or gate valves confirming to IS with iron wheel head screwed both ends for iron pipe including taking down old unserviceable gate valve complete all as specified and as directed.

Supply and fixing, in repair, fire hydrant landing valve, type B, double headed outlet, one no of outlet is 63mm and other outlet is 25mm with gate valve of 25mm dia, gun metal, confirming to IS 5291, ISI Marked complete all as specified and directed.

Supply and fixing in repair Hose box made of 18 gauge MS Sheet 800mm X 600mm X 250mm with double door with 4 mm thick glasses and door frame made of 16 gauge MS sheet painted fire red out side and brilliant white inside yard complete all as specified and directed

Supply and fixing in repair hose of length 15m, Hose shell be synthetic fibre, circular woven jacketed. treated against rot, working pressure 12 kg/sqcm and Burst pressure 36 Kg/ sqcm Coupling shall be male and female parts, gunmetal 63 mm 21/2") size, heavy qually bearing confirming to IS-903 with IS mark complete all as specified and directed.

Supply and fixing in repair including testing and commissioning of first aid fire hose reel wall mounting swinging type complete with drum, bracket, 20mm dia. 30m long high pressure hose reel tubing with gunmetal shutoff nozzel confirming to IS:8090-1976. The hose reel shall be as per IS:884-1985 complete all as specified and directed

Supply and fixing in repair including testing and commissioning of hand operated butterfly valve CI suitable for 25 mm bore pipe heavy duty both end flanged of pressure rating PN 1.6 and jointing with joint with rubber or fibre board gasket complete with and including required nos/size of nuts, bolts and washers complete all as specifed and directed

Supply and fixing in repair fully automatic star delta starter for centrifugel pump set of rating upto 50 HP, 415 volts, 50 Hz having with sheet metal encloser and relay range 3 phase, 21 to 48 Amps rating alongwith single phase preventer panel mounting complete all as specified and directed .

Taking out defective burnt out electric driven centrifugal motor of capacity 45 HP working on 3 phase, 440 volts 50Hz duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing, heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour, writing SM/MES No.(size of letters as ordered) after preparation of old painted surfaces including testing and commissioning complete all as required and as directed.

M&L for Mild Steel ERW pipe 150mm bore (NB), 5.4mm thickness, heavy grade, ISI Marked, confirming to IS 3589-1991, with all fittings such as bends, elbows, tees, short pieces, connectors, back nuts, diminishing pieces, caps plugs and unions etc., duly painted with 2 coats of synthetic enamel paint over coat of zinc chromate primer including taking down old pipe in any position complete all as specified.

Comprehensive periodic maintenance and repair including commisssioning and renewal replacement of defective parts of all existing fire protection system complete consisting of main fire control panel, smoke/ heat detector/ response indicator, MCPs to make 100% serviceability including checking of fire detector, cleaning of detector by removing dust or dirt, cleaning of heavy greasy deposit if any, checking the connection of batteries, specific gravity of electrolyte, the alarm function of control and indicating equipment be checked by the operation of trigger device in each zone of the system installed 240 Transit Camp including reprogramming with software if required, every month by authorized technical engineer of to keep the system fully functional for 24 Hrs x 7 Days complete all as specified and directed. Note: (i) Cost of new components shall be measured and paid separately (ii) Contractor's representative will visit in every two month to check every panel and take serviceability certificate. This certificate is to be submitted along with each RAR for payment Additional visit as and when required shall not be paid as extra

Supply and fixing in replacement of combined scattered light smoke and temperature detector programmed to detect either smoke or heat, or both depending on the type of system having sensitivity in accordance with existing fire alarm system complete all as specified and directed

S&F Addressable Manual Call point Resettable type complete all as specified and as directed

S&F Remote response indicator complete all as specified and as directed

M&L for cleaning of primary collection tank at 240 Transit Camp by pumping out raw sewage with the aid of suitable non clog submersible/surface mounted pumps, removing the sludge settled at the bottom, cleaning the bottom and side surface of the tanks by scrapping with steel scrappers and wire brush, finally cleaning with dilute chemical solution of sodium hypochlorite & then with fresh water including writing letters on the wall of room of the sewage collection tank with synthetic enamel paint as "TANK CLEANED ON ----- (DATE) AND DUE ON ---- (DATE)" with 10cm high stencil cut English letter complete all as specified and directed. Note:- a) The chemical used for the cleaning of the tank is included in the above quoted rate b) The contractor is responsible for the transportation, labor and depostion of the removed sludge outside the Cantt area as per prescribed guidelines isuued by CPCB or as per the direction of the administraion of the Sate Govt of Assam Guwahati, complete all as specified and directed, All cost are deemed to be included in the unit quoted rate. Noting extra shall be paid extra.

M&L for cleaning of primary settling/ collection tank at 240 Transit camp by pumping out raw sewage with the aid of suitable non clog submersible/surface mounted pumps, removing the sludge settled at the bottom, cleaning the bottom and side surface of the tanks by scrapping with steel scrappers and wire brush, finally cleaning with dilute chemical solution of sodium hypochlorite & then with fresh water including writing letters on the wall of room of the sewage collection tank with synthetic enamel paint as "TANK CLEANED ON ----- (DATE) AND DUE ON ---- (DATE)" with 10cm high stencil cut English letter complete all as specified and directed. Note:- a) The chemical used for the cleaning of the tank is included in the above quoted rate b) The contractor is responsible for the transportation, labor and depostion of the removed sludge outside the Cantt area as per prescribed guidelines isuued by CPCB or as per the direction of the administraion of the Sate Govt of Assam Guwahati, complete all as specified and directed, All cost are deemed to be included in the unit quoted rate. Noting extra shall be paid extra.

All as per item No.36.00 here-in-above but for Aeration tank located at 240 transit camp

All as per item No.36.00 here-in-above but for Equilisation tank located at 240 transit camp

All as per item No.36.00 here-in-above but for Secondary clarifier tank located at 240 transit camp

All as per item No.36.00 here-in-above but for Chlorine contact tank located at 240 transit camp

Supply and fixing in repair butterfly valve CI suitable for 100 mm bore pipe design with nitrile rubber lined seat with clutch lever (p10) of size 100mm confirming to IS 13095 complete all as specifed and directed

Taking out defective burnt out electric driven centrifugal motor of capacity 10 HP working on 3 phase, 440 volts 50Hz duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire, as per existing gauge including replacement of insulating materials, varnishing. heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour, writing SM/MES No. (size of letters as ordered) after preparation of old painted surfaces including testing and commissioning complete all as required and as directed.

Taking out defective burnt out electric driven centrifugal motor of capacity 5 HP working on single phase, 230 volts 50Hz duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing. heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour, writing SM/MES No. (size of letters as ordered) after preparation of old painted surfaces including testing and commissioning complete all as required and as directed.

Taking out defective burnt out electric driven centrifugal motor of capacity 2 HP working or single phase, 230 volts 50Hz duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sor out defective spares, rewinding the starter winding with suitable size of super enameled copper wire as per existing gauge including replacement of insulating materials, varnishing heating up starter winding in heating chamber to achieve insulation resistance at least Ohms and reassembling after replacement of defective parts/spares including testing all workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat off synthetic enamel paint as per existing colour, writing SM/MES No.(size of letters as ordered) after preparation of old painted surfaces including testing and commissioning complete all as required and as directed.

M&L for earthing complete with galvanised steel earth plate 600mm x 600mm x6mm thick elecrode and 25mm x 4 mm galvanised iron strip as earthing lead burried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to GI strip 25mm x 4mm as earth lead by means of bolts, nuts, check nuts and washers (including welding) of galvanised iron or steel and connected to main switch board / panel / test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, prem cast RCC 1:2:4 type B1 cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed.

supply and fixing / Laying, connection, testing and commissioning of LT under ground cable of size 25 Sqmm 3.5 Core, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric cable (heavy duty) with multistranded aluminium conductor, 1100 Volts grade in trenches/on wall/poles laid in ducts/inside protection pipe of including cable glands, lugs and suitable size of MS saddle clips (where ever cable laid in ceilings/walls without cable duct) including taking down old cable complete all as specified and as directed.

Testing of inlet and outlet sewage samples as per Environmental Protection Act for effluent discharge into inlet surface water form Govt regconised or approved institute/test labs and submit the test report for the following parameters complete all as directed:- (i) pH valve (ii) TSS (iii) O&G (Oil & Grease) (iv) BOD (v) COD (vi) FC (vii) Nitrate (N) (viii) Residual Chlorine. Note: Testing of one sample each for inlet and outlet shall be considered as one job Testing shall be carried out once in a month at regular interval.

Supply and fixing in repair, connecting, testing and commissioning MCCB in panel etc. MCCB, TPN (4 Pole), 630 Amps, 50kA breaking capacity with overload and thermal tripping feature with magnetic release, 415Volts AC, 50Hz, ICU = 100%, including certain addition or alteration if required at site complete all as specified and as directed.

Supply and fixing in repair, connecting, testing and commissioning MCCB in panel etc. MCCB, TPN (4 Pole), 400 Amps, 36 kA breaking capacity with overload and thermal tripping feature with magnetic release, 415Volts AC, 50Hz, ICU = 100%, including certain addition or alteration if required at site complete all as specified and directed.

Supply and fixing in repair, connecting, testing and commissioning MCCB in panel etc. MCCB, TPN (4 Pole), 250Amps, 36kA breaking capacity with overload and thermal tripping feature, 415Volts AC, 50Hz, ICU = 100%, including certain addition or alteration if required at site complete all as specified and directed.

Supply, fixing, testing and commissioning on load changeover switch four pole of rated current of 200 amp capacity, 415 volts, 50 Hz confirming to IS : 13947 (Part-3), IEC 60947-3 in SS encloser over existing or as directed. NOTE : Cost of minor addition, alteration, fabrication work if required at site to fix properly deemed to be included in the quoted rates.