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| 1 | Excavating trenches of required width for pipes, cable ctc. in/c excavting lor sockets & dressing of sides. where required,rammng ol bottoms, depth upto 1500mm (slope-1 111 200) in/c getting out the excavatedsoil and backilling of soil as requircd after laying of pipe line, in layers not exceeding 200mm in depth in/c consolidating each deposited layer by ramming,watering ctc. and disposing of surplus excavated soil with all rcquired leads as per chapter-2 of CPWD Specificationand directionof the Engineer-in-charge.B) For UPVC pipes in new work. a) In all kinds of soil b)For pipes not exceeding 90mm dia |
| 2 | Providing, lixing d laying rigid UPVC pipes confomingto IS: 1985 jointing with couplers, ol same class conlorming to IS :10124 (P-II) with solvent ccment conlorming to IS: 14182 includingtesting of joints complete ( but excluding the cost ol specials like bend, tees ete. which wil be paid separately) as per CPWD specilicationand directionol the Engineer - n - charge. A. Class -3 (working pressure 6.0 kg/ cm2) |
| 3 | a) 90 mm dia |
| 4 | Making road crossing by horizontalborng for smooth laying of PVCCI/DI/GI pipes etc. of required dia 12 466.8 5602 mtr. 3 9.26 complete as per specilicationand the drection of the |Engneer-i1-charge. A. By manual means |
| 5 | Opening thie iron removal ilter and removau the old filler media serapping inside/outside cleaning properly painting inside by black bituminous paints & painting outside by synthetic enamal over coat of steel primeras per direction of the Engineer-in-charge |
| 6 | Labour charges lor opening & unloading of MNO2 by culting of vessel mechanically & scrapping of inside wall of vessel ctc. as per direction of the Engineer-in charge. |
| 7 | Providing and placing filter gravel having effective size of 3.00 mm to 25 mm & uniformity co-eflicient of not more than 1.70 and or less than 1.30 obtained lrom 9,9 Barakar river, West Bengal as per specification and the direction of the Engineer in-charge |
| 8 | Providing and placing polypropylene double hexagonal nut umbrella shaped strainer at 10 mm to 10 mm to 12 mm size of best quality as per direction of the Engineer-in-charge. |
| 9 | Providing and placing rapid gravity filter sand having effective size of 0.50 mm to 1.00 mm & uniformly co-efficient or not more than 1.70 and or less than 1.0 obtained from Barakar River, West Bengal as per specification and direction of the Engineer-in-charge. |
| 10 | Providing and placing of anthracite coal 3.0 mm to 6.00 mm of SP Gr. 1.4 in IRP as per specification and direction of the engineer-in-charge. |
| 11 | Supplying cleaning & placing of manganese dioxide (mno2) size 20 mm to 40 mm) inside the oxidation chamber betwewn two plates intermoving existing old mno2 from the chamber and disposal within 50 m lead complete as per direction of the Engineer-in-charge. |
| 12 | Repairing of non functional air blower of 300 m3/hr. capacity by dismantling, replacement of damaged parts, oiling, freasing & reassemnling, realignment of mtc. pulley, motor pulley etc. to make the blower functional as per direction of the Engineer-in-charge. |
| 13 | Repairing of non functional air blower of 300 m3/hr. capacity by dismantling, replacement of damaged parts, oiling, freasing & reassemnling, realignment of mtc. pulley, motor pulley etc. to make the blower functional as per direction of the Engineer-in-charge. |
| 14 | Providing and fitting fixing CI plate NR valve of having 200 CSM capacity on blower line of package type iron removal plant of approved quality as per direction of the Engineer-in-charge of the Engineer-in-charge. |
| 15 | Providing fitting fixing of 150 mm gear operated short water type butterfly valve ISI mark as per direction |
| 16 | Providing and fitting fixing direct online type motor starter AC3, 415 V, 50 Hz, 3ph) 7.1 HP/5.5 kw relay range 11-18 Amps in steel sheet enclosures of L & T make cat No. MK-DOLSS96211 suitable for 5.00 HP motor of compressor/ blower as per direction of the engineer-in-charge. |
| 17 | Providing and fitting fixing direct online type motor starter AC3, 415 V, 50 Hz, 3ph) 7.1 HP/5.5 kw relay range 9-15 Amps catalog no.SS97210 in steel sheet enclosures of L & T make cat No. MK-DOLSS96211 suitable for metering pumpas per direction of the engineer-in-charge. |
| 18 | Providing and litting lixing of 6 feet x1 feet xl inch (thickness) Gamair wood/Plywood panel board for fittng fixing of elctrical items, in/c 2 Nos. MS angle post (size 2 inch x2 inchx9 feet), nuts & bolts etc. for irrection of the same by 1:1.5:3 cement concrete Casting (1 feet x I feet x 2 feet) below the ground level and panting two or more coats & plastic paint as per Specilication and direction ol the Engineer-in-charge |
| 19 | Repairing of IRP metering pump (SWELLORE make) of minimum capacity 6 L.PH & manumun 25 LPH for 10000 GPH capacity IRP and pressure pump 10 kg/cm2 |
| 20 | Providing and fitting fixing of brass fullway valve with handle in the GI pipe line including cutting, threading etc. completeas perCPWD specification and direction of the Engineer - in - charge. |
| 21 | i) 15 mm dia |
| 22 | ii) 25 mm dia |
| 23 | Charges lor dismantling PVC/HDPE pipe after nccessary cxcavation of earth in/c washing and stacking of pipes properly at site with all teads and lifts and backlillmg of soil as required n layers not excceding200mm in depth in/c consolidating each deposited layer by rammng, watering etc. Complete as per specilication & direction of the Engineer - in - charge. |
| 24 | i) 90 mm dia |
| 25 | Labour charge for clearing of clouded deposited iron in the PVC pipe of 140, 110, 90mm dia pipe bl chain lead pully system in/c disposal of iron from the site and thoroughly Washing the pipe With water complete as per dirertionof the Engineer - in - charge. |
| 26 | Labour charge lor clearing of deposited iron clouded in the CI pipe line of different dia (200. 150mm dia) by chain pully system in/c washing the pipe by water complete as direction of the Engineer-in-charge |
| 27 | Providing and fitting fixing 150 mm dia MS mechanical joint complete in CI/DI pipeline for repairng of leakage etc. of approved quality in/c testing of joints as per direction of the Engineer-in-charge |
