Military Engineer Services-MES has published Repair Replacement Of Water Pipe Lines And Allied Works At Mouza Dalan And Sirsa Camp Area And Repair Maint Of Iron Removal Plant Chlorine Dosing System Vertical Turbine Submerssible Pumps Allied Works At Mouza Dalan Sirsa Camp At Mil Stn Katihar. Submission Date for this Tender is 18-08-2022. Chemical Supply Tenders in purnea Bihar. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Jul-2022 | AMENDMENT IN PARTICULAR SPECIFICATION | Other | 11-08-2022 |
| 2 | 28-Jul-2022 | AMDT IN BOQ. | BOQ | 11-08-2022 |
| 3 | 11-Aug-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 18-08-2022 |
| Sl. No. | Item Description |
| 1 | Material and labour for quarterly cleaning of Tower mounted RCC OH Tank of 50000 gallons capacity with bleaching powder by blocking the inlet / outlet flow from manholes, lifting the excess semi-solid water from the tank, removing the entire deposited sludge, mud, silt etc, scrapping the internal wall / floor with wire brush (to remove deposited scales, mud etc from the walls / floors by using suitable tools and plants, manually from the bottom of the tank) , and removing the same at a distance n.exc 50m from site where directed,opening the blocked holes etc before normalising flow of water with and including writing letters with synthetic paint in date " Tank cleaned on ___ date" on each cleaning just below the previous date complete all as specified and as directed. Note:-Consumption of bleaching powder for cleaning of tank shall not be less than 60 Kg. |
| 2 | All as per item No 1 above but Steel OH Tank of2 x 25000 gallons capacity. Note:- Consumption of bleaching powder for cleaning of tank shall not be less than 30 Kg. |
| 3 | Material and labour for quarterly cleaning ofrotational moulded polythelene water storage tank of following sizes by scrapping the internal wall,floor with wire brush(to remove deposited scales,mud etc ) and removing sediments outside of the tankand through cleaning of tank with fresh water and then use dilute bleaching powder solution and fresh water complete including writing letters with synthetic paint in date " Tank cleaned on ___ date" on each cleaning just below the previous date complete all as specified and as directed:- (a) 1500 to 2000 ltrs capacity. Note:- Consumption of bleaching powder for cleaning of tank shall not be less than 1.5 Kg. |
| 4 | All as per item No 3 above of 500 to 1000 ltrs capacity. Note:- Consumption of bleaching powder for cleaning of tank shall not be less than 1.2 Kg. |
| 5 | Material and labour for construction of masonary valve pit chamber of size 1000x1000x900mm internally with burnt brick (Sub class "B") full brick thick brick work in cement mortor (1:4), 10 mm thick plastering in CM(1:4) internally and externally upto 150mm below the ground level, 150mm thick PCC (1:4:8) type D-2 (using 40mm graded stone aggregated) as in foundation bed with 150mm all round ofset from outer side of brick work, 3 mm thick MS sheet cover with locking arrangement hinged with 50 x 50 x 6 mm angle iron frame embeded in PCC (1:3:6) type C-1 (using 20mm graded stone aggregated) as coping etc including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on steel surfaces including necessary earth work in soft/loose soil complete all as specified and as directed. |
| 6 | Collecting the sample of water of required quantity in bottle/kit from different point submitted duly levelled the source through Engineer-in-charge for forwarding to the test house and testing of water for iron, PH value, Hardness, trubidity, chloride, fluoride ,aresenic test andsubmitting the test report in triplicate done from NABL & ISO 17025 accredited laboratory/National test House/Govt approvedlaboratory complete all as specified and as directed . Note : Testing shall be carried out quarterly. |
| 7 | Collecting the sample of water of required quantity in bottle/kit from different point submitted duly levelled the source through Engineer-in-charge for forwarding to the test house and carrying out bacteriological test for water sample quarterly and submitting the test report in triplicate done from NABL & ISO 17025 accredited laboratory/National test House/Govt approvedlaboratory complete all as specified and as directed Note: Sample of water shall be collected and tested quarterly. |
| 8 | Excavation in trenches not exc 1.5 m in depth and not exc 1.5 m wide for taking out/laying CI/GI pipes and getting out in soft/loose soil complete all as specified and as directed. |
| 9 | Removing excavation soil at a distance not exc 50 m and deposited where diverted complete all as specified and as directed. |
| 10 | Returning,filling in including spreading, leveling, watering and well rumming in layers not exc 25 cm complete all as specified and as directed. |
| 11 | Taking up or down 80 mm bore steel tubing and connection including cleaning for relaying or removal to store from trenches/wall surfaces complete all as specified and directed. |
| 12 | All as per item No 11.00 mentioned here-in-above butbore of Pipe 50 mm complete all as specified and directed. |
| 13 | All as per item No 11.00 mentioned here-in-above butbore of Pipe 40 mm complete all as specified and directed. |
| 14 | All as per item No 11.00 mentioned here-in-above butbore of Pipe 25 mm complete all as specified and directed. |
| 15 | S&F 80 mm bore GI Tubing medium grade with all tube fittings ( such as bends, elbows, tees, short pieces of medium grade , connectors, back-nuts,caps, plugs and unions etc.) layingin trenches/ floors/ ducts and also cutting pipes, screwing,and for making forged bends on piping as required , complete all as specified and directed. |
| 16 | All as per item No 15.00 mentioned here-in-above butbore of Pipe 50 mm complete all as specified and directed. |
| 17 | All as per item No 15.00 mentioned here-in-above butbore of Pipe 40 mm complete all as specified and directed. |
| 18 | All as per item No 15.00 mentioned here-in-above butbore of Pipe 25 mm complete all as specified and directed. |
| 19 | Supply and fix 50mm dia Gun metal gate valve conforming to IS -778 with iron wheel head, screwed both ends for GI pipes with GI union including taking down old onecomplete all as specified and directed. |
| 20 | All as per item No 19.00 mentioned here-in-above butbore40 mm complete all as specified and directed. |
| 21 | All as per item No 19.00 mentioned here-in-above butbore25 mm complete all as specified and directed. |
| 22 | Supply & fix 200mm dia CI pipe with flanged ends, centrifugaly cast Class A in any lengthlaid in trenches, including taking down old pipe complete all as specified and as directed. |
| 23 | All as per item No 22.00 mentioned here-in-above butbore of Pipe 150 mm complete all as specified and directed. |
| 24 | M&L for rubber gasket joints for flanged end pipes/valves of size 100 mm dia complete all as specified and as directed. |
| 25 | All as per item No 24.00 mentioned here-in-above butbore of Pipe 150 mm complete all as specified and directed. |
| 26 | Supply and fix200mm bore CI check swing type reflux valve (NRV) (Conforming to IS-5312 (Part-I) heavy duty, flanged type, PN 10 including all accessoriesincluding taking up of old unserviceable valve, complete all as specified and as directed by the Engr-in-Charge. |
| 27 | All as per item No 26 above but for 80mm dia complete all as specified and directed. |
| 28 | Supply and fix100mm dia cast iron butter fly valve IS-13095-1991 double flanged and wafer type(PSI-250) including all accessories including taking up/down of old unserviceable valve, complete all as specified and as directed. |
| 29 | All as per item No 28 above but for 80mm dia complete all as specified and directed. |
| 30 | Supply and fix 200mm dia cast iron sluice valve conforming to IS -14846 with flanged ends of class PN 1.6 ISI marked, drilled for bolts comprising of Brass spindle cast iron operating wheel, including necessary rubber gasket joint complete with nuts boltsand washer,complete all as specified and as directed. |
| 31 | All as per item No 30 above but for 150mm dia bore size complete all as specified and directed. |
| 32 | All as per item No 30 above but for 100mm dia bore size complete all as specified and directed. |
| 33 | All as per item No 30 above but for 80mm dia bore size complete all as specified and directed. |
| 34 | Supply, hoisting and fixing in proper position ISI embosed three layer rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), of capacity 2000 litres including providing necessary connections after disconnecting and taking down of existing tanks complete all as specified and as directed. |
| 35 | Supply and fix Mild steel angle iron grade Fe 310-0 as in framing of valve pit cover including hinge and locking arrangementcomplete all as specified and directed. |
| 36 | Supply and fixing 3mm thick mild steel plate conforming to Fe 310-0 as in covering of valve pit chember complete all as specified and directed. |
| 37 | Material and labour for painting of steel plate & mild steel angleany sizewith two coats of superior quality synthetic enamel paint over a coat of red oxide primer after cleaning and preparation of existing surface by emery paper complete all as specified and directed. |
| 38 | Supply and lay 3-layer PP-R (Polypropylene random copolymer) concealed pipes of 63 mm diaSDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors or laid in trenches, complete all as specified and directed. |
| 39 | All as per item No 38 above but for 90mm dia complete all as specified and directed. |
| 40 | Supply and fix PP-R Gate valves (brass insert) of 63 mm dia including cutting and making fusion joint etc. complete all as specified and as directed. |
| 41 | M&L for making connection of PP-R distribution branch with PP-R/ DI/GI main of sizes 50mm to 90mm by providing and fixing tee or required fittings including cutting and making fusion joint etc. complete all as specified and as directed. |
| 42 | Supply & fixing water level indicator showing five levels of water i.e. empty, quarter, half, three fourth and full level including sensors, MCBs, DBs and control wiring complete all as specified and directed. |
| 43 | Supply and fixing 1 Sqmm 10 core signal cable for water level indicator , complete all as specified and directed. |
| 44 | Cleaning & servicing of filtration plant and iron removal plant by taking out all the filter media,cleaning, welding worn out MS pipe/Plate and internal threading where ever requiredinside cell of filtration plant throughly by removing all scales /dirts/muds /chemical deposits etc & after drying the cell inside, apply painting in the complete inside cell with 2 coats of black bituminous paint(Suitable for drinking water), after painting, reset the seviceable and washed filter media After completionof work, painting to outer surface including foundation, sluice valve, pipe etc with two coat of synthetic and enamel paint with duly rubbing./cleaning of surfaces rewriting of date for change of filter media cleaning of filteration plant all as specified and directed at site by the Engineer in charge. |
| 45 | Supply only the following item for replacement under item No-44 above (a)Filter Media gravel of barakar size 1 to 6 MM. |
| 46 | (b)All as per item above but size 6 to 12 MM. |
| 47 | (c)All as per item above but size 12 to 20 MM. |
| 48 | (d)Ferominex (MNO2) used as catalytic agent. |
| 49 | (e)Alkathener strainer 3/8" dia.(As suitable to site) |
| 50 | (f)Fine sand and coarse sand as in filter media in filter bed grade size 1mm to 1.5mm (as per existing) the depth of sand media varies between 60cm to 80cm very fine and 1mm accumulated at top of the filter and coarse sand 1.5mm grade below the fine sand. |
| 51 | Supply mixing and dosing calcium Hypochlorite based granular cholorination chemicals (disinfectant for water treatment) with available chlorine percentage 65 % to 70 % confirm to BIS specification packed in 45 Kg plastic drum complete all as specified and asdirected. Make: Purichlor or eqivalent Approved by E-in-C"s Branch time to time before /during currency of the contract. Note:- (i) Approval of chemical (Calcium Hypochlorite) shall be given after verification of test certificate of manufacturer and other factors viz chamical analysis strength stability and safety health hazards aspects of uses of chlorination. (ii) Materials supplied shall be deposited to store and proper receipt taken. For regular consumption of materials shall be issued &maintain record duly signed by Engr-in-charge and contractor. |
| 52 | Labour only for lifting/lowering of U/S 15/20 HP capacity submersible pump set from tube well after disconnecting the electric supply and taking out one by oneall column pipes flanged/socket type of any length keeping serviceable fittings in safe custody for reuse/removing U/S materials from site/ making good disturbed surfaces and carrying submersible pump set to nearest repairing workshop including brought back after repair work and lowering the same after replacement of unserviceable spare parts and fixing column pipes with new rubber gasket/ nuts/ bolts/washers of suitable size etc. including connection of electric supply to motor, commissioning and testing, complete all as specified and directed by Engr-in-Charge. |
| 53 | Material and labourfor necessary repair to motor of submersible pumpand taking out burntwindings, cleaning re-winding with superior quality super enamelled copper wire of existing gauge, overhauling refixing and testing complete for pump of capacity 15/20HP.complete all as specified and directed by Engr-in-Charge. |
| 54 | Material and labourfor necessary repair to motor of vertical turbine pumpand taking out burntwindings, cleaning re-winding with superior quality super enamelled copper wire of existing gauge, overhauling refixing and testing complete for pump of capacity 45HP.complete all as specified and directed by Engr-in-Charge. |
| 55 | Dismantling carefully submersible pump 15/20 HP capacity and taking out all serviceable/unserviceable parts and cleaning/removing all mould/ moss/ foreign material scale and dirt etc., and re-assembling the same after greasing the ball bearing including necessary gaskets and replacement of unserviceable spare partsall as directed .Note :- Materials required for replacement will be measured and paid separately. |
| 56 | Supply only the followingSubmersible Pump set spare parts :- (a) Pump shaft suitable forsubmersible pump any type 6 to 8 stages 20HP capacity. (as per sample/existing shaft) |
| 57 | (b)Gun metal impellerMake- Calama existing |
| 58 | (c)Impeller bushing , Make- Calama existing |
| 59 | (d)Stage casing suitable for submersible pump 20 HP cap. Make- Calama existing |
| 60 | (e)Carbon thrust bearing with pressure plateMake- Calama existing |
| 61 | (f) Thrust bearing housingMake- Calama existing |
| 62 | (g)Thrust bearing segment |
| 63 | M&L for lifting of vertical turbine pump set of capacity 45 HP complete with help of chain pulley, Overhauling and greasing of complete pumpset by dismantling carefully each spare parts gear head, motor, oil tube, discharge head, tension nut assy, line shaft bearing, line shaft, pipe coupling, column pipe, line shaft coupling bowl shaft, discharge case, bowl bearing, impeller & suction case and carrying out necessary repair works and refixing the same in its original position and lowering of pumpset complete all as specified and directed by Engr-in-Charge. Note: Spares shall be measured and paid separately. |
| 64 | Supply only the following spare parts of vertical turbine pump of capacity 45HP :-(a) 2.5 inch bronze screw bearing. |
| 65 | (b) 2 3/16 oil seal |
| 66 | (c) 2.5" T.T nipple |
| 67 | (d) T.T Nut Bush GM |
| 68 | (e) Adapter Bearing |
| 69 | (f) Shaft Coupling |
| 70 | (g) Bowl Bush GM 2.5" |
| 71 | (h) Suction case Bush GM |
| 72 | (i) SS Pump Shaft |
| 73 | Supply and Fix100 Ltr FRPconstruction solution cum prepartion cum setting tank with level guage, lid, inlet/outlet , drain connection and fitted with speed reducer, motor and SS/PVC agitatordosing tank, agitator 120 Watt , 900 RPM complete with all accessories as directed by Engr-in charge. |
| 74 | S&Fmanual Changeover switch in sheet steel enclosure of capacity 315 Amps, 4 pole, 415V, 50 Hz, 3 phase including taking down old unserviceable one complete all as specified and directed. Make :L& T Cat No. CO33150OSOO or equivalent make of Havells / Legrand/C&S |
| 75 | S&F for fully automatic star-delta starters in sheet-steel enclosure type MN65 FASD with single phase protection feature suitable for 45 HP Motor, 33.58 KW, rating AC-3 , 415V, 50 Hz 3 phase, relay max range 45-75 Amp after taking down old unserviceable starter complete all as specified and directed. Make :L& T Cat No. SS94022 or equivalent make of Havells / Legrand/C&S) |
| 76 | Supply and fix 80 mm dia cast iron butter fly valve IS-13095-1991 double flanged and wafer type (PSI-250) including all accessories including taking up/down of old unserviceable valve complete all as specified and as directed. |
| 77 | Comprehensive maintenance of air compressor assembly by cleaning the whole body and air tank, oiling, greasing, tightening of all nut bolts if required, minor repairing to compressor pump and electric motor including replacment of spare parts "V" belt/NRV"sof any size, pully of any type etc including replacement of old oil and other spares,complete all as specified and asdirected by Enge-in- Charge. |
| 78 | Material and labour for preparing of outer surfaces of IR Filter plant comprising of oxidation tank, iron removal tank, activated carbon filter tank including all frontal pipes located at Pump House and applying two coat of synthetic enamel paint (as per existing colour) with spray paintingmachine over a coat of red oxide primer complete all as specified and asdirected. |
| 79 | Devolopment of deep tube well by diesel engine operated air compressor of suitableby means of up to 350 CFM air compressor till sand/mud/slit free water of portable quality of water is obtained ,length of air hose pipe will be selected as ground requirement and to achieve a minimum discharge of 10000 GPH including lowering and lifting of air pipe, complete all as specifiedand directed by the Engr-in-charge at the the following schedule. NOTE : (i) Compressor with connected accessores and fuel shall be arranged by the contractor and at last 05 kg raw caustic will be added in to each bore well before 24 hours for 1st & 2nd day only. Cost of raw caustic shall deem to be included in unit rate quoted. (ii) Pea grevel shall be measured and paid separately under appropriate item. (a) First day compressor runs |
| 80 | (b) All as per item no. 79 above but in Second day |
| 81 | (c) All as per item no. 79 above but in Third day till quality water achieve. |
| 82 | M&L for pea gravels fillings (coarse sand mud free) washed pee gravels of size 4 mm to 6 mm for filling packing around casing of deep tube well top to bottom complete all as specified and directed by the Engr -in -Charge. |
| 83 | M&L for replacement of unserviceable submersible cable 6 sqmm 3 core copper conductorcomplete all as specified and as directed. |
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