Repairs and regradation of filters bed by cleaning of angular screen under drain system and ACPRS and misc work

Removing of Filter media sand and gravels, including lifting, stacking and same within 50 m lead from filter house.

Supply of Filter media fine quality sand from any source having effectivr 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 transpotation, loading, unloading, stacking and for all leads.

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.

"Picking up old CI / DI line including excavation, dismantling the flanged joints / lead joints, collecting leads rings, weighting them, returing to departmental stores, lifting pipes & stacking them within a lead of 60 mtr of refilling trends etc complete. " b) Mannual operationb1) 80 mm dia

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

Laying of angular screen 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.

"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 excluding cost of reinforcement. For 12 mm dia "

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)

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.

Conveying of filter media sand from godown / store to filter box & laying

Filling the old and new fine sand in the filter beds properly in grades and layers as required including all labour and tools & plants etc complete.

Providing & 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 )

Please Enable Macros to View BoQ information