maintenance and repair To water supply scheme Nashik Satpur Industrial Area.... Repairs And Regradation Of Under Drain Angular Laterals By Scale Removal And Chemical Cleaning And Miscellaneous Works-2 Removing of Filter Media Sand and Gravel; including lifting, stacking the same within 50m lead from filter house. 3 Dismantling RCC work of all grades of concrete and sorting out the materials such as steel etc. as directed and stacking them with all leads & lift as directed. 4 1) 80 mm 5 Cleaning of Laterals by cutting and removing lids / caps of each laterals, Chemicals soaking and high pressure jet cleaning to remove accumulated dense sludge. SS 304 welding and assembly of V wire lateral 6 Laying of V - wire under drain system including laying & fixing the laterals in position as shown in the drawing. Fixing end cap to one end & T to the other end of the lateral. Fixing separate air header with coupler over the T of the lateral connecting air nipple between T of the lateral and air header with coupler whole assembly arranged as per drawing over the manifold. 7 Drilling holes in existing concrete structure for reinforcement anchoring with the help of HILTY - 500 chemical including locating existing reinforcement with the help of device PS-35 including all labour material machinery transportation charges 8 Providing and laying Cast in situ/Ready Mix cement concrete M-30 of trap / granite/quartzite/ gneiss metal for R.C.C. work in foundations like raft, strip foundations, grillage and footings of R.C.C. columns and steel stanchions etc. columns as per detailed designs and drawing or as directed including Steel centering formwork, cover blocks laying/pumping, compaction finishing the formed surfaces with cement mortar 1:3 of sufficient minimum thickness to give a smooth and even surface or roughening if special finish is to be provided and curing etc. complete. (Excluding reinforcement and structural steel). with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade) 9 Providing and fixing in position TMT - FE - 500 bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete. 10 Supply of filter media fine quality sand from any source having effective size 0.45 to 0.70 and uniformity coefficient within the limit of 1.3 to 1.7 within premises as per IS 8419 Part-I of 1977 including transportation, loading, unloading, stacking and for all leads. 11 Conveying and laying of filter media sand from godown / store to filter box for lead upto 100 mtr. 12 Filling the old and new gravels and fine sand in the filter beds properly in grades and layers as required including all labour and tools and plants etc complete. 13 Spreading, drying grading, screening in two different sizes, sieving and washing old filter sand and gravel with water as per direction, drying and stacking near filter house including labour, using MIDC’s sieves (water supplied by MIDC at free of cost) etc. complete. 14 5) Plain ended specials or plain ended branch flanged specials of all diameters. 15 Removing loose rust from the reinforcement bars by wire brushing, light hammering etc. and applying sulphate and chloride free inorganic single component rust remover Rusticide as approved by Engineer in charge conforming to IS 9077. The rusted surface shall become blackish non rusted colour. After 24 hours of application of rust remover, loose particles shall be removed by brush. Apply one more coat of Rusticide. Apply bonding coat slurry of high performance acrylic polymer - Methyl 2-methylpropenoate copolymer with another enoate as approved by Engineer in charge on entire surface. Mix 1 Kilogram of acrylic polymer with 0.5 Kilogram of cement. Finish it with ready to use repair polymer modified mortar based on special cements, formaldehyde based polymer with thixotropy modifying agents as approved by Engineer in charge (The Polymer Modified Mortar (PMM) should attain min. compressive strength of 20 N/mm2 in 1 day and 30 N/mm2 in 7 days) by adding 13 - 16% water by weight. (Rates excluding GST) 16 Providing and Applying ACPRS PLCR SYSTEM PRIMER followed by ACPRS PLCR SYSTEM finish coat to the internal surface having two component system non toxic, solvent free, low VOC, safe for contact of potable water and food stuff when applied on exposed concrete / steel surfaces. Manufacturer should have the Dakks certification as well as ISO 9001:2015 accredited for manufacturing and formulation. (Rates excluding GST) 17 Providing and fixing on walls/ ceiling/ floor 50 mm dia. uPVC pipe with necessary fittings, remaking good the demolished portion etc. complete. 18 6 mm. 19 Dismantling, Repairing, refixing of existing Sluice valve up to 300 mm size including tools, tackles, cutter, skilled & unskilled labours and joining with welding, fixing in place after rectifying internal material etc, complete. 20 Sluice Gate dismantling, straightening, repairs and reinstalling, etc including replacement Spindle, its nut, Gasket and Hardware with overhauling etc complete for Flash mixer inlet, bypass outlet gates Size upto 600 x 700 mm. 21 Dismantling, Repairing, changing rubber gaskets, machining, reinstalling Butterfly vales at Pump room 600 mm Dia. 22 Air Scour twin lobe blower repairing, servicing- overhauling, oil filling etc. complete including spares and consumables.
