Military Engineer Services-MES has published Tender For Repairs/Maintenance Of Dosing Pumps, Pressure Filter, Valves And Valves Pits Including All Relevant Works At Zakhama Military Station Under Age(I) Zakhama.. Submission Date for this Tender is 04-09-2023. Pump repair and Maintenance Tenders in zakhama Nagaland. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Aug-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-09-2023 |
| Sl. No. | Item Description |
| 1 | M&L for Cutting the existing CI/DI pipe line by necessary tools without damaging the pipe lines as required up to 200 mm dia for necessary insertion of new fitting or replacing of pipe etc complete all as specified and as directed. Note- New specials/pipe will be paid separately under respective items of the schedule. |
| 2 | Supply, laying, testing 150mm cast iron pipes with spigot and socket end centrifugally cast conforming to IS 1536 : 1989 Class A,in any length,laid in trenches including making good disturbed surfaces of road /pavement/PCC surface as required including taking out old existing pipeline of any description and sizecomplete all as specified and as directed. |
| 3 | Supply, laying, testing 100mm cast iron pipes with spigot and socket end centrifugally cast conforming to IS 1536 : 1989 Class A,in any length,laid in trenches including making good disturbed surfaces of road /pavement/PCC surface as required including taking out old existing pipeline of any description and sizecomplete all as specified and as directed. |
| 4 | M & L for Cast iron fittings for spigot and socket pipes of size upto 200 mm boresuch as 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 complete all as specified and as directed. |
| 5 | M&L for run lead joint for 150 mm bore CIpipe complete all as specified and as directed. |
| 6 | M&L for run lead joint for 110 mm bore CIpipe complete all as specified and as directed. |
| 7 | S & F in repairs, 50mm bore, gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe or for union complete all as specified and as directed. |
| 8 | S & F in repairs, 25mm bore, gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe or for union complete all as specified and as directed. |
| 9 | S & F in repairs, 20mm bore, gun metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe or for union complete all as specified and as directed. |
| 10 | S&F 80 mm dia ductile iron resilient (soft) seated gate valve with pocket less body, ss stem (AISI 410), epdm coated di wedge 100% vaccum tight design with toroidal sealing rings & over 250 micron epoxy coating in PN 16 designed to BS:5163/IS:14846 non-rising/rising stem type with hand wheel operation withnecessary nuts,bolts washers and gasket including taking out old valve complete all as specified and as directed. |
| 11 | S&F 100 mm dia ductile iron resilient (soft) seated gate valve with pocket less body, ss stem (AISI 410), epdm coated di wedge 100% vaccum tight design with toroidal sealing rings & over 250 micron epoxy coating in PN 16 designed to BS:5163/IS:14846 non-rising/rising stem type with hand wheel operation withnecessary nuts,bolts washers and gasket including taking out old valve complete all as specified and as directed. |
| 12 | S&F 150 mm dia ductile iron resilient (soft) seated gate valve with pocket less body, ss stem (AISI 410), epdm coated di wedge 100% vaccum tight design with toroidal sealing rings & over 250 micron epoxy coating in PN 16 designed to BS:5163/IS:14846 non-rising/rising stem type with hand wheel operation withnecessary nuts,bolts washers and gasket including taking out old valve complete all as specified and as directed. |
| 13 | S&F 100 mm dia ductile iron resilient seatednon-return valve, flanged end in swing type design with EPDM encapsulatrddoor and with over 250 micron epoxy coatingwith necessary nuts,bolts washers and gasket including taking out old valve complete all as specified and as directed. Make: Kirloskar/kartar/VAG |
| 14 | M&L for Leakage detection in GI water lines of upto 50 mm bore and necessary repairs including, cutting, threading for addition/alteration and insertion of new fittings all as specified and directed. (Note- The rate quoted by the contractor shall deemed to inclusive of earth work also). |
| 15 | M&L for Leakage detection in GI water lines of 80 mm bore and necessary repairs including,cutting,threading for addition/alteration and insertion of new fittings all as specified and directed. (Note- The rate quoted by the contractor shall deemed to inclusive of earth work also). |
| 16 | M&L for Leakage detection in GI water lines of 100 mm bore and necessary repairs including,cutting,threading for addition/alteration and insertion of new fittings all as specified and directed.(Note- The rate quoted by the contractor shall deemed to inclusive of earth work also). |
| 17 | M&L for Leakage detection in CI/DI water mains from source-1 or source -2 to pump house No-1 or pump house No-3 and dismantling of defective/unserviceable 150 mm nominal size pipe line and taking out from trenches/ hard rocks with necessary excavation work and carrying out the repair work at site or local wk shop for welding work to repair defective portion of pipe line and providing leak proof jointing material to leaked/pierced portion and took back after repair to work site complete and relaying of repaired pipe line 150mm bore in trenches and jointing the same in trenches complete with new gasket, nut bolts and other jointing material including testing/commissioning the pipe line on full pressure complete all as specified and directed by Engr-in-charge. NOTE :- (i) flanges & flanged joints shall lead joint deemed to be including in quoted rate .(ii) Work will be carried out in piecemeal locations experienced based on break downs and weaker sections of existing rising main as per site requirement and as directed by Engineer-in-charge. (iii) connecting and supporting the pipe lines using ropes/wiresetc with transportation as per site requirements etc and rectify the defects on urgent basis. |
| 18 | M&L for construction of valve pitof size 1.2 m x 1.2 m x 0.9 m (internal dimension)one brickthick wall, rendering 15 mm thick in CM 1:4 internally & externally (15cm depth below GL) finished even & smooth without using extra cement and applying three coat of white wash,mild steel sheet covermade of mild steel sheet, 3 mm thickand 40 mmx 40 mm x 6mm thick mild steel angle iron frame including locking arrangement,handle etc and painting with two coatsof synthetic enamel paint over a coat of red oxide primer after preparation of surfaces including demolition of existing brick masonry valve pit complete all as specified and as directed. |
| 19 | M & L for opening top of 10,000 GPH capacity pressure filter Horizontal / vertical type using welding cutter, unloading the filter media form the pressure filter e.g sand gravells (different sizes) takings out carefully strainer (Push/Thread) from inside bed plate, cleaning the inside chamber disposal of sand/gravels within 100 meter radius from the existing filter plant and closing the same with new gasket seat complete all as directed by Engineer-in-Charge. |
| 20 | M&L for Supply & re-filling the new graded gravels/silica sandof different size inside the pressure filters invarious layers as required complete all as directed by Engineer-in-Charge. (a) silica sand of 20 x 40 mesh(b)Gravel of size 1" x 3/4" (25-20mm) (c)Gravel of size 3/4" x 1/2" (18-12mm) (d)Gravels of size 1/2" x 1/4" (10-06mm) |
| 21 | S&f 5/8” PVC double nut strainer for pressure filters complete all as specified and as directed. |
| 22 | M&L for painting with one coat of black bituminous paint suitable for drinking water inside the vessels after preparation of old surfaces complete all as specified and as directed. |
| 23 | M&L for preparation old surface and applying two coats of synthetic enamel paintof colour as directedover the outside surface of filter plant, pipe lines, marking to pipe(incoming, outgoing, overlfow , washout), valves, valve pitsetc. after scraping old damaged paintingusing spray machines or manually complete all as specified and as directed. |
| 24 | M & L for fabrication of opening gate of pressure filter of MS plate of 10 mm thickness as per existing shape incl necessary fabrication works incl gaskets, nut/bolts, welding to make leakproof etc with opening handle painting with one coat of black bituminous paint suitable for drinking water inside and applying two coats of synthetic enamel paintof colour with surface preparation as directed over the outside surface of filter plant incl taking out old one,complete all as specified and directed. |
| 25 | Material and labour for repair/servicing/cleaning of Make Declibac ADS PRO dosing system including replacement of unserviceable spares and recommission and testing after repair complete all as specified and as directed. ( Note: Spares required for servicing deemed to be included in the quoted rate.) |
| 26 | M&L for opening the top of the sluice valve carefully of size80mm bore PN-1.6, taking out the gate & spindle, scraping/cleaning the gate both sides, cleaning/scraping of sluice valve body throughlyfrom inside, refixing / replacing the spindle, gate check nut and top of sluice valve including replacement of gland packing rope of suitable size & rubber gasketand Bolt, nut with washers necessary metalling , grinding and leveling of the valve door seating complete all as specified and as directed. Note:-Replacement ofspindle with check nut etc shall be measured and paid separately under relevant items. |
| 27 | All as per Item No 26 here in before but 100 mm dia bore. |
| 28 | All as per Item No 26 here in before but 150 mm dia bore. |
| 29 | Supply only brass spindle including check Nut suitable for 80 mm dia bore. |
| 30 | Supply only brass spindle including check Nut suitable for 100 mm dia bore. |
| 31 | Supply only brass spindle including check Nut suitable for 150 mm dia bore. |
| 32 | M&L for opening the top of the Non return valve carefully of size100mm bore, taking out the wafer, scraping/cleaning the gate both sides, cleaning/scraping of Non return valve body throughlyfrom inside, refixing / replacing the waferincluding replacement of gland packing rope of suitable size & rubber gasketand Bolt, nut with washers necessary metalling , grinding and leveling of the valve door seating complete all as specified and as directed. Note:-Replacement of minor parts etc deemed to be included in quoted rate. |
| 33 | All as per Item No 32 here in before but 150 mm dia bore. |
| 34 | M&L for repacking stuffing box of sluice valve 150 mm spindle including taking apart and reassembling complete all as specified and as directed. |
| 35 | All as per item No 34 herein before but for size 100 mm bore. |
| 36 | All as per item No 34 herein before but for size 80 mm bore. |
| 37 | M&L for filling gland packing to control water leakage in sluice valve of size 80/100/150 mm complete all as specified and as directed. |
| 38 | S&F in repairs,Pressure gauge 100 mm dial , suitable to measure 300 meterheadwith Brass Gauge cock with fitting including Brass sampling cock with fitments complete all as specified and as directed. |
| 39 | M & L for water sample testing for biological analysis, Ph level ,iron ,lead, alkality and for presence of snails and worms at nearest govt aproved laboratory as specified and directed by Eng in charge. (Note : for sample collection bottle will be provided by the contractor.) |
| 40 | M&L for cutting grass, vegetation, shrubs, under growth, roots etc and removing rubbishto a distance not exc 50 m including spraying the chemical/ pesticide in proper ratio with water to control growth of grass & vegetation complete all as specified and as directed. |
| 41 | Supply only Bleaching powder stable Grade-I as per IS specifiction 1065/1989 (2nd revision) fresh MED in 25 Kgs HDPC bags having chlorine not less than 30% all as specified. Make-Brila Adhithya/Sriram/Gujrat alcalies & Chemicals ltd/Centarary alcalies |
| 42 | Supply only Chlorine tablets contained in plastic cylindrical sealed disposable sanitizer refill (dia 2.5 inches +/- 0.5 inches, Height 10 inches +/- 0.5 inches ) for disinfection of drinking water with arrangement for controlled release of disinfectant in water, suitable for operation through dosing system Make- Declibac (Type Stequa 411 AE)/Equiv. (Note : The product media should have heavy metal contaminants below detectable limits & must pass the acute toxicity test (confirm to non toxicity for mammalian cells ) and safe for human health safety point. |
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