Tender For Repair/ Maintenance Of Water Supply Rising Mains And Distribution Pipe Line, Sluice Valve, Non Return Valve, Gate Valve, Valve Pit Chamber And Other Connected Items Of Water Supply Work Under Age (I) Naya Raipur At Nrms
Tender Overview
Project Description
Tender for Repair/ Maintenance Of Water Supply Rising Mains And Distribution Pipe Line, Sluice Valve, Non Return Valve, Gate Valve, Valve Pit Chamber And Other Connected Items Of Water Supply Work Under Age (I) Naya Raipur At Nrms
BOQ
| Sl. No. | Item Description |
| 1 | Supply only Refill : Chlorine tablets contained in plastic cylindrical sealed disposable sanitiser refill for disinfection of drinking water, suitable for operation through recommended dosing system.(i) Replacement indication: visual & weight variation.(ii) Water contact orifice design: sealed when dry, exposed upon immersion.(iii) Operation type: Non contact, non inhalatory.(iv) Cylinder dia :2.5 inches +0.5 inches. (v) Cylinder height: Minimum 10.0 inches +0.5 inches.(vi) Operational stipulations:-(a) Heavy metal (Pb & Hg) contamination in the product media must be BDL as per AAS data. (b) Minimum volume of water disinfected by each Chlorine tablets Refill to obtain disinfection activity of 1 ppm on spot (Influent water quality variation, ambient & site condition variations apply) as per absorbance data generated at λmax 515nm. Three Hundred Fifty Thousand litres. (c) Stability: Active ingredent stabilty (when stored at 25-45 degree Centigrade temp) must be at least 98% after one year as per data generated by accelerated Stability test protocol. (d) Safety & health hazard aspects on usage of the product media for regular drinking water disinfieciton: Heavy Metal contaminants (like Mercury & lead) in product media must be below detectable limit (BDL), and the product must pass the Acute Toxicity test (to specially confirm non toxicity for mammalian cells), based on which the product must be considered safe to use for human health safety point of view and freedom from toxicity when used in drinking water disinfection in recommedned dosage. (e) The refills must ensure infrastructural safety (as per date generated by Electrolytic Conductivity (μs/cm) test protocal) and operators health safety. (f) Chlorine tablets Refill must be complaint with operators health safety considering regular exposure. The brand and make of the sanitiser must be stated and certified by a laboratory/study centre of any Govt. University. |
| 2 | Taking up or down steel tubing 25 to 40mm dia and connections, including cleaning for refixing or removal to store or for sch of credit all as specified and directed by Engr-in-Charge. |
| 3 | Taking up or down steel tubing 50 to 100mm dia and connections, including cleaning for refixing or removal to store or for sch of credit all as specified and directed by Engr-in-Charge. |
| 4 | Taking down gate valve /ball valves any type all as required and directed by Engr in charge. |
| 5 | M & L for GI tubing 25 mm dia medium grade galvanized with all fittings laid in trenches complete all as specified and directed. Make- TATA /JINDAL/SWASTIK |
| 6 | M & L for GI tubing 40 mm dia medium grade galvanized with all fittings laid in trenches complete all as specified and directed. Make- TATA/ JINDAL/SWASTIK |
| 7 | M & L for GI tubing 50 mm dia medium grade galvanized with all fittings laid in trenches complete all as specified and directed. Make- TATA/ JINDAL/SWASTIK |
| 8 | M & L for GI tubing 80 mm dia medium grade galvanized with all fittings laid in trenches complete all as specified and directed. Make- TATA/ JINDAL/SWASTIK |
| 9 | S & F Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed in 25mm bore dia |
| 10 | S & F Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed in 40mm bore dia |
| 11 | S & F Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed in 50mm bore dia |
| 12 | Supplying and laying of 25mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 with all fittings on walls/ceiling or laying in floors/trenches complete all as specified |
| 13 | Supplying and laying of 40mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 with all fittings on walls/ceiling or laying in floors/trenches complete all as specified |
| 14 | Supplying and laying of 50mm outer dia CPVC pipes SDR 11 & Plain CPVC SDR 11 with all fittings on walls/ceiling or laying in floors/trenches complete all as specified |
| 15 | Excavation in trenches in soft/loose soil not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth and getting out for laying of pipe cables etc,. and getting out complete all as specified and directed |
| 16 | Returing filling in, including spreading levelling, watering and well ramming in layers not exceeding 25cm thick with earth obtained from excavation complete all as specified and as directed. |
| 17 | Removing excavated soil 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 as directed. |
| 18 | Taking up Ductile iron water mains 150 mm dia bore (including all fittings) with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed. |
| 19 | Material and labour 150 mm bore ductile iron pipes with spigot and socket ends centrifugally cast class LA, in any length laid in trenches complete all as specified and directed. |
| 20 | Material and labour for construction of valve pit chambers of size 1200 X1200 X 600 mm (internal dimensions) as under provided with 10 cm thick PCC 1:4:8 type D-2 as in foundation over 15 cm thick hard core, 23 cm thick brick walls built in cement mortar 1:4, 15 mm thick internal plaster including top of floor, externally upto 150 mm below GL in CM 1:3 finished even and smooth without using extra cement, 3.00 mm thick MS sheet cover with 40 X 40 X 6 mm MS angle frame fixed in PCC 1:2:4 type B1, 50 mm thick coping with 25 X 6 mm flat iron hold fasts, hinges, handles, locking arrangements and applying 2 coats of syntheric enamel paint over acoat of red oxide primer to all steel surfaces and 3 coats of white wash to internal surfaces of chamber including excavation and earth work in any type of soil and removing of surplus soil to a distance not exceeding 50 m complete all as specified and directed. |
| 21 | Material and labour for repair of leakages in ductile iron pipes of any size including excavation work as required with all accesseries as required on ground , all as speciefied and directed by engg In charge. |
| 22 | Supply and fixing CI body sluice valve class PN 1.6 with flanged ends of size 80mm bore having stainless steel spindle, CI gate with brass ring, operating wheel cast iron cape and connecting accessories etc complete all as specified and directed. |
| 23 | All as per item No. above here in before but 100 mm dia. |
| 24 | All as per item No. above here in before but 150 mm dia. |
| 25 | S & F in Repairs unserviceable non return valve with gun metal discs and nitrile rubber lining test pressure 20Kg/cm2 PN-1.6 from UG sump by means of opening of existing 100mm bore GI tubing and make good priming system complete all as specified and directed.Make : Kirloskar/ Zoloto/ L&T/ Upadhyay/ Leader |
| 26 | S & F in Repairs unserviceable non return valve with gun metal discs and nitrile rubber lining test pressure 20Kg/cm2 PN-1.6 from UG sump by means of opening of existing 80mm bore GI tubing and make good priming system complete all as specified and directed.Make : Kirloskar/ Zoloto/ L&T/ Upadhyay/ Leader. |
| 27 | M&L for repairing of water level indicator of Over Head tank with replacing balancing indicator, wire rope, copper floating ball and rope guide wheel , including replacement of air avaiation light with 3core 2.5sqmm copper cable on OH tank , complete all as directed. |
| 28 | Cleaning and removing of all silt, dirt, mud, etc. from inside the over head tank reservoirs of capacity 50000 gallons staging, inside of wall, mouth of inlet and outlet pipe, removing disposal of the same to a distance not exc. 50 m and applying two coat of white wash on internal surfaces including preparation of old and wet surfaces and sign, writing with white enamelled paint on black back ground, height of letters not less than 7.50cm on column showing capacity of tank and date of cleaning complete all as directed. |
| 29 | -ditto- all as above but UG sump of 50000 GlnsNote for item Nos. above :- (i) Cleaning shall be done by scrapper, removing dirt with wire brush and washing with bleaching powder. (ii) The inlet/ outlet/ overflow pipe of OH tank/ sump shall be cleaned properly and care should be taken to prevent entry/accumulation of sludge into pipe line by blocking mouth of pipe. Any blockage of the inlet/ outlet/ overflow pipe line shall be found to be cleared without any extra cost and the cost of the same shall be deemed to be included in the unit rate quoted. (iii) Writing the following words with white paint on black painted back ground to match with existing size and pattern :- (a) CLEANED ON:- ---- (b) NEXT DUE DATE OF CLEANING:- --- |
| 30 | Supply and fix MS spindle of existing size 150 mm (6\\"dia) duly threaded with nut (Gutka) as per sample including replacement of rubber packing with nut and bolts complete all as directed. |
| 31 | All as per item No. above here in before but of existing size 100 mm (4\\"dia). |
| 32 | All as per item No. above here in before but of existing size 80 mm (3\\"dia). |
| 33 | Material and labour for repair of leakages in galvaised iron pipes of any size with all accesseries as required on ground, all as specified and directed by engg In charge. (Note; Rate of accesseries to be included in unit rate quoted) |
| 34 | Supply and fix cast Iron Non return Valve, flanged 1082 with gun metal discs and nitrile rubber lining test pressure 20Kg/cm2 for 80 mm size . |
| 35 | S & F in repair only GI socket 40 /50 mm size medium grade all as required and direted . |
| 36 | S & F in repair GI socket 80 mm heavy duty size all as required and direted . |
| 37 | S & F in repair GI socket 80 mm medium duty size all as required and direted . |
| 38 | S & F in repair GI nipple 40/50 mm size medium grade all as required and direted . |
| 39 | Supply only GI nipple 25 mm size all as required and direted . |
| 40 | S & F in repair flange of 80 mm with necessary washers and nuts bolt long size all as per requirement at site. |
| 41 | S & F in repair flange of 50 mm with necessary washers and nuts bolt long size all as per requirement at site. |
| 42 | Total contract sum shall be calculated after deduction of schedule of credit amount of Rs. 42,960.00 Please Enable Macros to View BoQ information |
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Upcoming · 10 daysBid Opening Date
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Upcoming · 13 daysTender Documents
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