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| 1 | M&L for Servicing, maintenanceand repairing of existing Altoc Dosing system installed atwater pointincluding opening & cleaning of all the stationary and rotary parts, repairing of gear box at authorised dealer complete all as pecified and as directed.Note:- Spare parts will be measured and paid separately |
| 2 | Supply onlyinjection check valve 3/8\" etc complete all as specified and as directed |
| 3 | Supply only3/8\" white suction /dischargetubing complete all as specified and as directed |
| 4 | Supply onlyrotor assembly with bearing brackets & tolereance ring for Dosing Pump complete all as specified and as directed |
| 5 | Supply onlycoil 250V, 50 Hz Dosing Pump complete all as specified and as directed |
| 6 | Supply onlyroller assembly for dosing pump complete all as specified and as directed |
| 7 | Supply only reciprocating Chlorine dosing pump hing pressure, single head, gear motored adjustable dosing pump having output of 2 GPD to 40 GPD, adjustable high pressure of up to 100 PSI with accessories including lead, tubing, connection nuts, clay weight, ferrule etc. Complete all specified and as directed. Make: Declibac or equivalent as approved by GE. |
| 8 | Supply only FRP service tank 100 ltr with all accessories, water inlet, dosing pump mounting provision on lid/wall, over flow, level gauge, inspection port, complete all as specified and as directed. Make: Declibac or equivalent as approved by GE. |
| 9 | Supply only 230V, 50 Hz gear Motor etc complete all as specified and as directed. Make : CG /Kirloskar or equivalent as approved by GE. |
| 10 | M & L for construction of brick masonry valve pit chamber 1050 x 1050 x 1000mm (internal dimension) with sub class \"B\" bricks(using old size burnt bricks),with MS angle iron frame work (angle iron size 45mm x 45mm x 6mm) and 3.15 mm thick MS black sheet top cover openable through hinges of suitable size including necessary earth work,locking arrangement, , PCC (1:3:6) type C-2 as in foundation concrete bed/ floor coping and 10mm thick rendering in CM (1:4) on internal and exposed external surfaces, external plaster shall be upto 15 cm below ground level and mixed with water proofing compound @ 3% by weight of cement , two coats ofblack bituminous paint over a coat of red oxide primer etc on all steel surfaces complete all as specified and as directed. |
| 11 | M & L for construction of brick masonry valve pit chamber 900 x 900 x 900mm (internal dimension) with sub class \"B\" bricks(using old size burnt bricks),with MS angle iron frame work (angle iron size 50mm x 50mm x 6mm) and 3.15 mm thick MS black sheet top cover openable through hinges of suitable size including necessary earth work,locking arrangement,PCC (1:3:6) type C-2 as in foundation concrete bed/ floor coping and 10mm thick rendering in CM (1:4) on internal and exposed external surfaces, external plaster shall be upto 15 cm below ground level and mixed with water proofing compound @ 3% by weight of cement ,with two coats ofblack bituminous paint over a coat of red oxide primer etc on all steel surfaces complete all as specified and as directed. |
| 12 | Dismantling and taking out sluice valve, refacing/regrinding repacking stuffing box of sluice valve spindle incl reassembling and refixing in position for 80 mm dia bore CI pipe line complete all as specified and directed by Engr-in-Charge. |
| 13 | All as per item No. 12.00 (here-in-before) but 100 mm dia complete all as specified and directed by Engr-in-Charge. |
| 14 | All as per item No.12.00 (here-in-before) but 150 mm dia complete all as specified and directed by Engr-in-Charge. |
| 15 | All as per item No.12.00 (here-in-before) but 200 mm dia complete all as specified and directed by Engr-in-Charge. |
| 16 | All as per item No.12.00 (here-in-before) but 250 mm dia complete all as specified and directed by Engr-in-Charge. |
| 17 | All as per item No.12.00 (here-in-before) but 300 mm dia complete all as specified and directed by Engr-in-Charge. |
| 18 | Supply, install, connecting and testing of sluice valve, class PN- 1.6 double flanged with CI body, wheel and brass spindle and nuts etc., IS- 14846 marked including jointing materials i.e. rubber gaskets, nuts, bolts etc. including taking down old unserviceable sluice valve completeall as specified and directedby Engr-in-Charge |
| 19 | All as per item No.13.00 (here-in-before) but of size 100 mm dia bore. |
| 20 | All as per item No.13.00 (here-in-before) but of size 150 mm dia bore. |
| 21 | All as per item No.13.00 (here-in-before) but of size 200 mm dia bore. |
| 22 | All as per item No.13.00 (here-in-before) but of size 250 mm dia bore. |
| 23 | S&F in repairs,butterfly valve includinginstallation, connection and testing of butterfly valve , heavy duty with CI body,liver operated , suitable length of liver , ISI marked including jointing materials i.e rubber gaskets, nuts bolts etc complete all as specified and directed of size 80 mm dia bore. |
| 24 | All as per item No.14.00 (here-in-before) but of size 100 dia mm bore. |
| 25 | All as per item No.14.00 (here-in-before) but of size 150 dia mm bore. |
| 26 | Supply & fixing of Cast Iron NRV ISI Marked with necessary rubber packing , nuts bolts etc ofsize 200 mm dia bore including taking down old unserviceable NRV completeall as specified and directed complete . |
| 27 | All as per item No.15.00 (here-in-before) but of size 150 dia mm bore. |
| 28 | All as per item No.15.00 (here-in-before) but of size 100 dia mm bore. |
| 29 | Supply and fixing CI ball type foot valveflanged end with necessary rubber packing nuts, bolts and washersofsize 100 mm dia bore complete all as specified ISI marked and directed by Engr-in-charge. |
| 30 | All as per item No.16.00 (here-in-before) but of size 150 dia mm bore. |
| 31 | Opening completely pressure filter of capacity 10000 gallons per hour and taking out existing filter media (sand, gravels) and nozzles, removing filter media to a distance not exceeding 50 mtr and nozzlesbringing to MES store yard including necessary repair/welding to make the pressure filter vessels completely leak proof for improving strength and finally reassembling the pressure filter including re-fixing the old serviceable nozzles in position duly cleaned complete all as specified and as directed.(Note-Filter media will be issued and paid seprately) |
| 32 | M&L for cleaning of old paintedinternal surfaces of pressure filter by scrapping andapplying two coats of black bituminuos anti corrossive paint suitable for drinking purpose complete all as specified and directed. |
| 33 | Material and labour for preparing old paintedexternal steel/iron surfaces of pressure filter by scrapping andapplying two coats of aluminium paint(1st grade) over a coat of red oxide primer complete all as specified and directed. |
| 34 | Cleaning and washing of old gravelhere in before with portable water, removing all impurities including screening in to different sizes and refilling the same into the existing pressure filter in layerscomplete all as specified and as directed. |
| 35 | Supply and fixing PVC nozzles strainers of size as per existing one (push/ thread type ) complete all as speified and directed by Engineer-in-Charge(Make: PHI / REMCO orequivalent as approved by GE ) |
| 36 | Supply and filling of new gravels of size 65/33mm, 20/33mm and 13/6mm in layers and filling upto 75cm from bottom of nozzles complete all as specified and as directed. |
| 37 | Supply and fillingof chemical Ferriminex (MNO2) of size 1/8\" x 1/10\" as filter media for existing filtration / iron removal plant, complete all as specified and as directed. |
| 38 | Supply and filling of SAND(collection source BARAKAR river bank), as filter media for iron removal plant in layers upto 45 cm height above gravel layer complete all as specified and as directed. |
| 39 | Renewal ofworn out / damaged gasket of suitable size including bolts, nuts and washers of manhole cover complete all as directed. |
| 40 | Supply only Hydrated lime conforming to IS for water treatment in factory sealed packet. Make : Best Quality conforming to IS as approved by GE. |
| 41 | Supply of Polymer liquid for raw water flocculant, in factory sealed Container.Make: Alartan (Declibac)/ Bharat Trading corporation/Ion Exchange or equivalent approved by E-in-C\"s Br/HQ CE Eastern Command Kolkata / ADG(NEI) Guwahati as approved by GE. |
| 42 | Supply of stable Bleaching Powder(Grade-I) conforming to IS-1065 Part-I 2019 in 25 Kg factory sealed container/ drums. The bleaching powder should be free from lead and must have CIAS (corrosion inhibitor & anti scalant) that is suitable for treatment of drinking water all as specified and directed.Make: Best Quality conforming to Indian Standard as approved by GE. |
| 43 | Supply of chlorine tablets contained in plastic cylindrical sealed disposible sanitiser refill (dia 2.5 inches ± 0.5 inches height 10 inches ± 0.5 inches)_ for disinfection of drinking water with arrangement for controlled release ofdisinfectant in water, suitable for operation through dosing system Make:- Declibac or equivalent as approved by GE.Note:- The product media should haveheavy metal contaiminants below detectable limits & must pass the acute toxicity test (confirm to non toxicity for mammalian cells ) and safe for human health safety point. |
