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| 1 | E & M Division Items |
| 2 | M&L for cleaning of UG sump of 100000 Gln capacity at Srikona Pump House as per notes described below and all as directed by Engr-in-Charge |
| 3 | M&L for cleaning of UG sump of 70000 Gln capacity at Main Pump House, Kalibari as per notes described below and all as directed by Engr-in-Charge |
| 4 | M&L for cleaning of UG sump of 40000 Gln capacity at Main Pump House, Kalibari as per notes described below and all as directed by Engr-in-Charge |
| 5 | M&L for cleaning of UG sump of 20000 Gln capacity at Srikona Pump House, Kalibari as per notes described below and all as directed by Engr-in-Charge |
| 6 | M&L for cleaning of UG sump of 15000 Gln capacity at ARO, Silchar as per notes described below and all as directed by Engr-in-Charge |
| 7 | M&L for cleaning of UG sump of 10000 Gln capacity at Srikona Pump House as per notes described below and all as directed by Engr-in-Charge |
| 8 | M&L for cleaning of UG sump of 10000 Gln capacity at NCC Silchar as per notes described below and all as directed by Engr-in-Charge |
| 9 | Notes : applicable for item No 01 to 07 mentioned above(a) Suitably blocking the incomimg and outgoing wash out pipes for avoiding mud and foreign materials deposited in the sump getting into pipes and chocking it prior to starting the cleaning.(b) Bail out complete water remaining in the UG sump before cleaning the mud and other deposits.(c) Filling up the UG sump full and feed the affected residential/OTM consumers enough water to sustain during the sump cleaning period.(d) Manually remove deposited mud sludge and other foreign particles and deposit the same separately away from tanks in low laying areas and levelling as directed by Engineer-in-Charge.(e) Clean the floor wall and dome of the UG sump by jetting water using rotary pressure jets, remove the sludge so deposited completely by rubbing the wall/floor with brushes and repeat removal and depositing (Approved detergent shall be used).(f) Disinfect the tank with FOA/WHO specified chemical and make the tank totally bacteria free.(g) Apply a coat of white cement paint outside surface area as per directed by Engr-in-Charge.(h) Writing of the date of cleaning of the water tank with white letters on black background. |
| 10 | M&L for cleaning of OH reservoirs of capacity 35000 Gln at Lorry Point, manually as described below and all as directed by Engr-in-Charge. |
| 11 | M&L for cleaning of OH reservoirs of capacity 20000 Gln near Bde Cmdr mess manually as described below and all as directed by Engr-in-Charge. |
| 12 | M&L for cleaning of OH reservoirs of capacity 15000 Gln at NCC Silchar manually as described below and all as directed by Engr-in-Charge:- |
| 13 | M&L for cleaning of OH reservoirs for sedimentation tank of capacity 30000 Gln manually as described below and all as directed by Engr-in-Charge. |
| 14 | Notes : applicable for item No 01 to 07 mentioned above(a) Suitably blocking the incoming and outgoing wash out pipes for avoiding mud and foreign materials deposited in the sump getting into pipes and chocking it prior to starting the cleaning.(b) Bail out complete water remaining in the UG sump before cleaning the mud and other deposits.(c) Filling up the UG sump full and feed the affected residential/OTM consumers enough water to sustain during the sump cleaning period.(d) Manually remove deposited mud sludge and other foreign particles and deposit the same separately away from tanks in low laying areas and levelling as directed by Engineer-in-Charge.(e) Clean the floor wall and dome of the UG sump by jetting water using rotary pressure jets, remove the sludge so deposited completely by rubbing the wall/floor with brushes and repeat removal and depositing (Approved detergent shall be used).(f) Disinfect the tank with FOA/WHO specified chemical and make the tank totally bacteria free.(g) Apply a coat of white cement paint outside surface area as per directed by Engr-in-Charge.(h) Writing of the date of cleaning of the water tank with white letters on black background. Remove the blockage from inlet/outlet over flow pipes, refill the tank with water and supply water at supply timmings, ensure satisfactory distribution.(j) M&L for arresting leakages by means of welding, patch work with required size of MS Sheet |
| 15 | Taking out slits, mud, solid waste material of any size and quantity from jack well (Low Lift) by manually/mechanically throughly and thrown away 15M distance as directed after closing the inlet valves of jack well (size of jack well 20mtr depth from the ground level, 04 mtr dia) incl removing all the mud and solid waste from the cavities of wall approx 04 mtr from the bottom surface cleaning throughly with clean water and bleaching powder, repair the crack inside wall as required and also to make alternative arrangement for uninterrupted water supply from river to aerator including all accessories complete all as directed. |
| 16 | Taking out slits, mud, solid waste material of any size and quantity from Flaculator by manually/mechanically throughly and thrown away 50 M distance as directed after closing the inlet valves of Aeriator including of removing all the mud and solid waste from the cavities of circular internal wall from the bottom surface cleaning throughly with clean water and bleaching powder as required and also to make alternative arrangement for uninterrupted water supply from river/Jack well to aerator including all accessories complete all as directed. |
| 17 | Taking up filter media (sand & gravels) from the filter bed, scrapping and cleaning the filter media, ceramic tiles in filter bed and wall with wire brush or any other device, segregation of effective sizes and lesser sizes (U/S) gravels, keep the serviceable gravels for reuse in the work and thrown away the U/S sand & gravels at a distance of up to 50 m all as directed. |
| 18 | M &L of new filter media under proper supervision by supply , transporting and placing carefully in alternate layers of dust and other impurities free fine/coarse sand of size and graded coarse gravels for the 20 to 40 mm size gravel of 30cm thick layers in bottom complete all as directed. |
| 19 | M &L of new filter media under proper supervision by supply , transporting and placing carefully in alternate layers of dust and other impurities free fine/coarse sand of size and graded coarse gravels for the Coarse sand of size 0.45mm to 0.55 mm of 30 cm thick layers over bottom layer of gravels complete all as directed. |
| 20 | M &L of new filter media under proper supervision by supply , transporting and placing carefully in alternate layers of dust and other impurities free fine/coarse sand of size and graded coarse gravels for the 6mm to 20mm size gravel of 30 cm thick layers in intermediate layers complete all as directed. |
| 21 | M &L of new filter media under proper supervision by supply , transporting and placing carefully in alternate layers of dust and other impurities free fine/coarse sand of size and graded coarse gravels for the Fine sand of size 0.35 mm to 0.45 mm of 30cm thick layers over the inter media gravel layer complete all as directed. |
| 22 | M &L of new filter media under proper supervision by supply , transporting and placing carefully in alternate layers of dust and other impurities free fine/coarse sand of size and graded coarse gravels for the 3 to 6 mm size gravel of 30 cm thick on top most layer complete all as directed. |
| 23 | Re-use of usable sizes of gravel in layers obtained from item here-in-before all as specified and directed. |
| 24 | Testing the functioning of filteration system after necessary charging with satisfactory result. |
| 25 | Taking out raw/treated water sample from Pump House/any other location as decided by Engr-in-Charge and getting tested by Directorate of PUBLIC HEALTH ENGINEERING OFFICE or ANY GOVT AUTH LABORATORY for PHYSICAL, CHEMICAL and BACTERIOLOGICAL ANALYSIS (as specified by Engr-in-Charge) and the test report shall be submitted to Engr-in-Charge. |
| 26 | M & L to maintain the chemical dozer i.e. Lime dozer and their equipments under by the way of preventive and breakdown maintenance including replacing the expandible part etc all as directed by Engr-in-Charge.Note:- (a) Preventive maintenace will be carried out on monthly basis by checking, servicing, maintenance & replacing the unserviceable part. (b) Spare parts will be measured and paid separately. |
| 27 | Supply only of the Gear for lime dozer as per sample required under here in item No 26 above |
| 28 | Supply only of the Rotating paddle for lime dozer as per sample as per sample required under here in item No 26 above |
| 29 | Supply only of the Bearing for lime dozer as per sample required under here in item No 26 above |
| 30 | M & L to maintain the chemical dozer i.e. Alum dozer and their equipments under by the way of preventive and breakdown maintenance including replacing the expandable part etc all as directed by Engr-in-Charge.Note:- (a) Preventive maintenace will be carried out on monthly basis by checking, servicing, maintenance & replacing the unserviceable part. (b) Spare parts will be measured and paid separately. |
| 31 | Supply only of the Gear for Alum dozer as per sample required under here in item No 30 above |
| 32 | Supply only of the Rotating paddle for Alum dozer as per sample required under here in item No 30 above |
| 33 | Supply only of the Bearing for Alum dozer as per sample required under here in item No 30 above |
| 34 | Supply only of the V-notch wires, floats and floating arrangement required under here in item No 30 above |
| 35 | Supply & dozing Bleaching powder Grade-I, IS-1065:1989 (used in drinking water) minimum markable chlorine 33.5% stable dry free flowing white in appearance without hard lumps and visible impurities packed in laminated HDPE bags of 25 Kg scapacity of each bags. Make:-Approved make of E-in-C /CEEC/CESZ or equivalent make with ISI marked approved by GE.Note: Test certificate and analytical report from manufacturer with batch number shown in purchase voucher shall be submitted by the contractor for each consignment of material supplied from the manufacturer or authorised dealer. |
| 36 | Supply & dozing Hi-strength granular chlorination chemical based with CIAS (Corrosion Inhibitor & Anti-scalant) to be ratified by E-inC’s Branch, Dry, free flowing, consistent white granules (or powder) and without hard lumps or impurities should not induce substances beyond acceptable limit as give in IS:10500:2012 in treated and disinfectant water, chlorine having minimum 55%-60% chlorine content by mass packed in 45Kgs PVC sealed container, 5-10 % moisture content, upto 4% Calcium Hydroxide, upto 15 % Sodium Chloride suitable for treatment of drinking water and swimming pool (Much more stable than chlorine gas, bleaching power and sodium hypochlorite) all as specified and directed by Engr-in-Charge. Note: Test certificate and analytical report from manufacturer with batch number shown in purchase voucher shall be submitted by the contractor for each consignment of material supplied from the manufacturer or authorised dealer |
| 37 | Supply & dozing Hydrated Lime powder (eatable) Ca(OH)2 of purity 90% and conforming to IS 1514-1990 complete all as specified. (for water supply treatment). Make:-Approved make of E-in-C /CEEC/CESZ or equivalent make with ISI marked approved by GE. Note: Test certificate and analytical report from manufacturer with batch number shown in purchase voucher shall be submitted by the contractor for each consignment of material supplied. |
| 38 | Supply & dozing Alumino Ferric (Ferric Alum Grade-IV) confirming to IS-299-2012 with additional requirements for purification of water, containing lead (as Pb) 20 PPM max and arsenic (as AS2O3) 4 PPM max all as specified and directed by Engineer-in-Charge. Make:-Approved make of E-in-C /CEEC/CESZ or equivalent make with ISI marked approved by GE.Note: Test certificate and analytical report from manufacturer with batch number shown in purchase voucher shall be submitted by the contractor for each consignment of material supplied from the manufacturer or authorised dealer. |
| 39 | Taking up and down CI/GI Pipe 100 mm bore and connections, complete all as specified and directed. |
| 40 | M & L for dismantling of old rusted Mild steel plates,Joist,Channel, angles, girder and staging for over head reservior,sedimantation tank /floculator rotating motor base and floating barje etc by cutting all l as directed by Engr-in-Charge complete all as specified and directed. |
| 41 | Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, not exc 10 sqm on plan and not exe 1.5 m in depth and getting out soft / loose soil complete all as specified and directed. |
| 42 | Returning, filling in including spreading, levelling, watering and well ramming in layers not exec 25 cm complete all as specified and directed. |
| 43 | Removing excavated material not exe 50 m and depositing where directed ar a level n exec 1.5 m above starting point complete all as specified and directed. |
| 44 | M&L for cement concrete 1:3:6 type C2 (using 40mm graded stone aggregate) foundation filling and mass concrete complete all as specified and directed. |
| 45 | M&L for PCC 1:3:6 type C-1, (using 20mm graded stone aggregate) as in coping including necessary use and waste of form work complete all as specified. |
| 46 | M&L for brick works with sub class 'B' bricks, straight or cover on plan exceeding 6 m mean radius in cement mortar 1:6 complete all as specified and directed. |
| 47 | M&L for plastering 15 mm thick in cement mortar (1:4) on fair faces of brick masonry (Brick pillar) or concrete surface and finishing the surfaces even and smooth without using extra cement |
| 48 | S&F Joist,channel,angle iron or tee section, compound girders and stanchions, lattice girders, aerial masts, staging for Floculator base, water tanks etc by cutting to dead length where required, notching, drilling, fitting, riveting and/or welding or connecting with bolts and nuts (including rivets or bolts and nuts), and fixing as required shape complete all as specified and directed. |
| 49 | S&F Rolled Mild steel plates (plain or chequered) channels,squre cut or notched(ordinary and counter sunk) forming holes,without and attachement of grade Fe-410-W (Gde-E-250) including cutting, welding, riveting and T&P required at site complete all as specified and directed. |
| 50 | M&L for preparation including scrapping/rubbing with sand paper etc of old steel/cast iron surface of any description over 10cm in width or girth, not otherwise described and painting with two coats f synthetic enamel paint of any tint complete all as specified and directed. |
| 51 | Supply and Laying 100 mm bore Ductile iron Pressure pipe, Class K9, Centrifugally cast with socket spigot ends conforming to IS 8329/2000 with cement mortar lining inside the pipes with outside Zinc coating with finishing layer of bitumen/Epoxy coating suitable for push-on-joint (rubber gasket D joining), in any length and all jointing material as per site requirement for branch connection etc complete all as specified and directed. |
| 52 | M&L for DI specials (Tee, Bend, Tail Piece etc) of size upto 150mm bore for fixing in existing or new pipe line complete all as specified and directed. Please Enable Macros to View BoQ information |
