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| 1 | M & L for cleaning of Overhead reservoir at the staging of 21m by draining out of water below supply level, removing all internal sludge by washing. Cleaning the surface of the reservoir using wire brushes and other scraping tools to remove dirt and scales to make it free from deposits. Washing the reservoir with pressure compressor nozzle thoroughly and removing dirty water from the tank to make it clean. Repair to internal surfaces by plastering and providing fillers cracks to prevent any seepage of water and white washing to complete internal wall and floor of chamber. Disinfecting the sump surface using disinfectent complete all as specified and directed for 50000 GLN capacity. Note- The work of cleaning and disinfection will be carried out by experts in the filled of the work.The work is to be carried out in such way that the water supply is not disrupted. |
| 2 | Ditto as per item No 1 as above but under ground sump of capacity 60000 GLN . Note- The work of cleaning and disinfection will be carried out by experts in the filled of the work.The work is to be carried out in such way that the water supply is not disrupted. |
| 3 | M & L for taking out damaged/ broken lagging from pipes and providing lagging on pipes of 20/15 mm bore, all around with 25 mm thick bonded mineral wool preformed \"SNAPON\" pipe sections of density 144 Kg/cum with chicken mesh wire netting 25 gauge, 20 mm mesh and covering with POP layer complete all as specified and directed at site by the Engineer - in- Charge. |
| 4 | M & L for taking out damaged/ broken lagging from pipes and providing lagging on pipes of 25 mm bore, all around with 25 mm thick bonded mineral wool preformed \"SNAPON\" pipe sections of density 144 Kg/cum with chicken mesh wire netting 25 gauge, 20 mm mesh and covering with POP layer complete all as specified and directed at site by the Engineer - in- Charge. |
| 5 | Excavation in trenches n.exc. 1.5 mtr wide and n.exc. 1.5 mtr in depth, for taking out/laying of DI/CI/ GI Pipes and getting out Hard/dense soil byJCB Machine /manually as per site requirement complete all as specified and as directed. |
| 6 | Returning, filling in including spreading, leveling watering and well ramming in layersin Hard/dense soil complete all as specified and as directed. |
| 7 | Removing excavated materials n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point, complete all as specified and as directed. |
| 8 | Taking outGI Pipe 20 mm bore with all fittings and accessories etc, from trenches/ surface and removing blockage and damaged pipe complete including cleaning the serviceable pipe for re-fixing all as specified and as directed. Note:- Excavation/earth work shall be measured and paid for separately. |
| 9 | All as per item No 8 here in before but for 25 mm GI bore pipes. |
| 10 | All as per item No 8 here in before but for 40 mm GI bore pipes. |
| 11 | All as per item No 8 here in before but for 50 mm GI bore pipes. |
| 12 | All as per item No 8 here in before but for 80 mm GI bore pipes. |
| 13 | All as per item No 8 here in before but for 100 mm GI bore pipes. |
| 14 | M & L for 20 mm bore \"medium grade\" galvanised iron pipes with all fittingscomplete to walls and ceilings or laid in floors /trenches all as specified. |
| 15 | All as per item No 14 here-in-before but for 25 mm GI bore pipes. |
| 16 | All as per item No 14 here-in-before but for 40 mm GI bore pipes. |
| 17 | All as per item No 14 here-in-before but for 50 mm GI bore pipes. |
| 18 | All as per item No 14 here-in-before but for 80 mm GI bore pipes. |
| 19 | All as per item No 14 here-in-before but for 100 mm GI bore pipes. |
| 20 | Supply and fixing in replacement of gun metal globe or gate valve, with iron wheel head, screwed both ends for iron pipe and fixed suitable for 20 mm borepipe including dismantling and taking out existing unserviceable one complete all as specified and as directed. |
| 21 | All as per Serial Item No 20 here in before but suitable for25 mm bore pipe. |
| 22 | All as per Serial Item No 20 here in before but suitable for40 mm bore pipe. |
| 23 | All as per Serial Item No 20 here in before but suitable for50 mm bore pipe. |
| 24 | Supply and fixing in replacement of cast iron flanged ends sluice valve,with iron wheel head suitable for 80 mm dia pipes conforming to IS - Class PN - 1.6 with MS nuts, bolts, washers etc,including taking out/ dismantling old unserviceable one and testing complete all as specified and as directed. |
| 25 | All as per item No 24 here in before butsuitable for 100 mm dia pipe. |
| 26 | All as per item No 24 here in before butsuitable for 150 mm dia pipe. |
| 27 | M&L forcutting existing steel tubing between 20 mmto100 mm bore for alterations or additions complete all as specified and as directed. |
| 28 | Run lead joint for spigot and socketed pipes and pipefittings of size 80 mm bore joint including spun yarn etc. complete all as specified amd directed by the Engineer-in-charge.Note: (i) These joints are meant for laying new or old pipe & fitting and where independent leaking joints to be ordered. In case of leakage to be rectified necessary excavation and earth work shall be measured and paid separately. |
| 29 | All as per Serial Item No 28 here in before but suitable for 100 mm bore pipe. |
| 30 | All as per Serial Item No 28 here in before but suitable for 150 mm bore pipe. |
| 31 | M&L for painting/ applying two coats ofsuper enammeled black paint on whole scale and rewriting of existing marking with super enammeled white paint to scale of overhead tank /sumps etc. |
| 32 | M&L for repair / replacement of MS sheet scale of OHT/UG sump as per existing along with roller, pointer, steel rope including fixing arrangement incl painting as per procedure and fixing with the help of nut, bolts washers complete all as specified and directed. |
| 33 | Supply and replace in replacement of CI Foot valvesof sizes for 100 mm bore complete . |
| 34 | M&L for pipe of outer dia 25 mm bore, 3-layer PP-R polypropylene random copolymer concealed pipes SDR 7.4 (PN-16) UV stabilized and antimicrobial fusion welded having thermal stabilty for hot and cold water supply including all PP-R plain and brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors all as specified and directed. |
| 35 | M&L for pipe of outer dia 32 mm bore, 3-layer PP-R polypropylene random copolymer concealed pipes SDR 7.4 (PN-16) UV stabilized and antimicrobial fusion welded having thermal stabilty for hot and cold water supply including all PP-R plain and brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors all as specified and directed. |
| 36 | M & L forcement concrete1:2:4 type B1( 20 mm graded aggregate) as inmakingcement concrete thrust block for supporting of pipe bend, tee &dead end etc. and repairing of road etc complete all as specified and directed. |
| 37 | Note:-An amount of Rs. Rs 31,835.00 on account of credit schdule for Sch \"A\" Part-II Shall be deducted from the total amount of BOQ to arrive at the contract sum. |
