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| 1 | Disconnecting and dismantling carefully the existing inlet,outlet,wash out and over flow pipes, MS sheet, PS plate of any size and thickness, MS structural steel of any sectionfrom the existing PS Tankof capacity 20000 to 30000 Glnincluding unbolting nuts bolts and washer where ever required from existing PS tanks and making by pass arrangement to continue existing water supply by using GI tubing of required sizes and taking out the said arrangement after completing the work all as directed by E-in-C. (Note : cost of by pass arrangement shall deemed to be included in quoted rate) |
| 2 | M/L for cleaning of PS storagetank by draining out water, removing of mud and sediments accumulated in bottom of the tank, washing and drying up all as directed of capacity 20000-30000Glns. (CT-01, Tenga Market - 02 & Engr Water Point - 03) |
| 3 | M/L for cleaning of PS storagetank by draining out water, removing of mud and sediments accumulated in bottom of the tank, washing and drying up all as directed of capacity 40000 - 50000 Glns. (CT-02 Nos) |
| 4 | Taking out carrefully existingfilter media in various sizes(sand/gravel) from 3 to 4 m depth Gravity feed filter bed and removing the same not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point all as directed. |
| 5 | M&L for thorough cleaning of sedimentation tank with Gravity feed filter bed of of size 15x12x3.5 mafter draining out complete, clean the surface, bottom, wall, chamber etcby the help of brushes chemical/Acid and taking out all silt, dirt etc complete all as specified and directed. |
| 6 | Supply and fix PS plate of size 1.2m x 1.2m x 6 mm thick for bottom of tank pre fabricated, factory made including drilling holes, fixing with new nuts, bolts and washers and all new jointing materials such as lead wool gasket black non toxic putty etc complete all as specified and directed. |
| 7 | Supply and fix 3.15 mm thick MS sheet of size 2.44m x 1.22m joint as incover of PS tank including cutting, drilling hole etc fixing with new or old serviceablenuts, bolts and washers etc complete all as specified and directed, (All new nuts and bolts and washer shall be measured and paid seperately here-in-after as supply only). |
| 8 | Supply and fix MS angle, MS flat or MS tee section of grade Fe-410-W cut to required size and shape for bracing, supports and clamps including welding drilling holes,fixing with new or old serviceablenuts, bolts and washerscomplete all as specified and directed. (Note :All new nuts and bolts and washer shall be measured and paid seperately here-in-after as supply only). |
| 9 | Supply only 16 mm to 20 mm dia of neck MS screw bolt (Machine made) with Hexagonal head at one end and screwed the other end to be fitted with two number of washers and one hexagonal nuts for required size of bolts (n.exc 5 cm long) incl washers complete all as specified and directed. |
| 10 | M&L for preperation of outer surfaces of PS tankheight 6-10 mtr from ground rubbing, scrapping, cleaning, washing and applying two coats of blue synthetic Enemel paint over on External sufaces includingwriting letter or figures such as capacity of tank, date of cleaning(Block, Roman, Italic or Indian ) of letter size not exceeding 30 cm height with white synthetic enamel paint all as specified and directed. complete all as specified and directed. |
| 11 | M&L for preperation of outer surfaces of PS tankheight 6-10 mtr from ground including rubbing, scrapping, cleaning, washing and applying two coats of black bituminous paint anticorossive (suitable for drinking purpose) on internal sufaces of PS tank complete all as specified and directed. |
| 12 | Supply and Fixingfor CI sluiceclass PN 1.6 long body type, 80 mm bore with brass spindle, both ends flanged with holes, ISI Marked (IS-14846-2000) provision of carbon steel nuts, bolts & washers, rubber gasket etc, with wheel, fixed to CI/GIwater mainsin any position including taking down old unserviceable sluice valve complete all as specified and as directed. Make :- RMCO/Kirloskar/Venus/BIR |
| 13 | Description all as per item no 12 of above but size 100 mm dia Make :- RMCO/Kirloskar/Venus/BIR |
| 14 | Description all as per item no 12 of above but size 150 mm dia Make :- RMCO/Kirloskar/Venus/BIR |
| 15 | Supply only Calcium Hypochlorite 65% to 70% chlorine content in packed with 45 Kg each drum (calcium based granular disinfectant for water treatment much more stable than chlorine gas and stronger than bleaching powder & sodium hypochlorite complete all as specified and directed.Make : Aquafit or equivalent as approved by NMPT committee of E-in-C\"s Branch.Note :-1.The calcium hypochoride will be issued in sealed containers of capacity 30/45/50 KG, cost of same shall be included in quoted rate. |
| 16 | Supply only Alum crystal type for agitation and water treatment as approved by GE.Note:-Consumable in water supply installation having batch No.with manufacturing date should not exceed more than 90 days. |
| 17 | Supply only lime in power foam for used in water treatment plant of 25 Kg bags |
| 18 | Supply, laying, joint, testing and commissioning ofDI pipes 100 mm bore Centrifugally cast, internal cement 5mortar lining, external zinc coating with finishing layer of bitumen, pressure pipe socket and spigot end, confirming to IS 8329-2000 with ISI marked K-7 in standard length including necessary rubber gasket, tyton jointings, jointing materials including taking down old unsv cementpipe complete all as specified. |
| 19 | S & F in replacementincl leakage testing galvanised steel water tubing medium grade 80 mm dia bore with all fittings such as bends, elbow, socket, reducer etc,connecting pipe to PVC tank through connectors as required at site, laid under floor / trenches all as specified & directed. |
| 20 | Description all as per item No 19 of above but of size 100 mm dia all as specified & directed |
| 21 | S&F in relacement of butterflyvalves of 100 mm bore, (class I), ISI marked with operating hanlde fixed both ends for iron pipe, ISI marked, including dismantling U/S Butterfly valvecomplete all as specified and directed . Make :- Zoloto /Jindal/Sant |
| 22 | Taking out carrefully existingfilter media (sand/gravel) from the filtration plany vaeesl type at Chindit top & Engr water point and removing the same not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point all as directed. |
| 23 | M&L Silica Quartz sand with pebbles of multi grade sand filter as per the existing by size wise (i.e. 3 mm to 12.5 mm ) and layer wisecomplete all as specified and as directed. |
| 24 | Supply and laying river sand in filteration plant of effectivecomplete all as specified and directed. |
| 25 | M&L for structural MS frame work half round or other stock section including securing posts and stuts in fencing, frame work for pump house/gates of installations, base frame for equipments including securing bolts, posts and sturts in fencing including cutting and makeing shapes as desired, drilling holes, notching for wire cut to size and made to the exisitng shape suitable for fixing MS chequred duct covers / door panels, including nuts, bolts and washers, welding / bracing works, bendingcold or hot drilling holes for bolts in any shapeetc flat iron fillets (for securing wire mesh etc)all necessary drilling, bolting or riveting etc and similar work confirming to Fe-290 Gde E-165 including onecoat of primer and two coats of synthetic enamel paint to the entire steel surfaces all as specified and directed. |
| 26 | M&L for chain link MS galvanised fencing including lines wires, dia of chain link n less than 3.5 mm any mesh any size any type to any type strands rails, straining bolts etc. |
| 27 | M&L MS angles as fencing port, struct cutting tops in shape incl all necessary drilling, notching and reveting etc and similar work confirming Fe 410 all as specified and directed. |
| 28 | M&L TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and includingmild steel wire (annealed) not less than 0.9 mm dia or securing with clips all as directed. |
| 29 | M&L for PCC 1:3:6 Type C2 for erection of fencing post/ mas concretewith 40 mm gradede coarse agreegete complete all as specified and as directed. |
| 30 | M&L for construction of brick masonnary with full brick wall chamber size of 1200x1200x1000mm internal diemension with earthwork on any type of soil , PCC M-10 type C-2 as in foundation , brick work in CM1:4, 15mm thick plaster in CM1:4 internaly and externally , flush pointed in same mortar as work proceeds , 75mm thick PCC coping all around (M-15 with 20mm aggregate ) , flooring shall 40mm thick PCC M-15 (Nominal Mix )laid over 75mmthick hard core. Top cover shall be made out of 3mm thick MS sheetfixed in angle iron frame made out of angle iron size 40x40x6mm with two numbers of hinges on one side and locking arrangement at other side complete including painting with two coats of synthetic enamel paint over a coat of redoxide primer complete all as specified and directed including demolation of old existing Abandoned valve pits. |
| 31 | Supply, fixing, testing & commissioning of dosing system complete set including dosing pump of model CDS 1015high pressure single head gear motorised adjustable dosing pump with accessories including lead tubing, connecting nuts, injection check valve, clay weight, ferrules, 170 ltrs PE/FRP preparation tank , 100 ltr dozing tank with PE/FREP lid and level gauge alongwith agitator with shaft & blade in plastic, mounted on tank also including complete connection of water for dosing system and connecting of output of dosing system to supply line, necessary switch and sockets for providing power supply to dosing system as per site requirement all as specified and directed. |
| 32 | M&L for PCC 1:3:6 Type C2for foundation of platform, erection of fencing post, supporting pillar with mass concrete with 40 mm gradede coarse agreegete complete all as specified and as directed. |
| 33 | Materialand labour for rendering 10 mm thick cement plaster in cement mortar (1:4) on old face of brick work or concrete surface on walls complete all as specified and directed. |
