Regradation of Existing SS V - wire Filter Beds Under Drain System along with allied works at WTP, Paithan.

Amount

Removing the existing filter media sand & supporting gravel from the filter bed i.e.any lead & lifts i.e. screening the gravel with appropriate mesh sieve & stacking the media & travel as directed by the Engineer IN charge( Rates are excluding GST)

Dismantling the R.C.C. Work 1:2:4 and sorting out the materials such as steel etc. as directed and stacking them within the specified lead as directed etc. complete.

Cleaning & washing of existing v-wire Laterals by using specialized acidic and alkaline chemicals to remove Scale, Sludge and other sediment partials from lateral surface. including all material chemicals, labour etc. ( Rates are excluding GST)

Providing V-wire under drain system with V-wire screen made of SS 304 fitted on UPVC base pipe 3.5" dia, V wire screen having screen slot of 350 microns having 16% open area base pipe of laterals 3" dia UPVC SCH40. Tee for main manifold with air distribution is made of UPVC fittings, Air clamp with main header is of UPVC saddle with SS 304 nuts & bolts. ( Rates are excluding GST)

Providing and casting in situ Cement Concrete of trap/ granite / quartzite / gneiss metal of approved quality for RCC works as per detailed drawings and designs or as directed by Engineerin- charge including normal dewatering, centering, form work, compaction, finishing the formed surfaces with CM 1:3 of sufficient minimum thickness if special finish is to be provided and curing, etc. complete. (By weigh batching and mix design for M-250 and M-300 only. Use of L&T, A.C.C., Ambuja, Birla Gold, Manikgad, Rajashree, etc. cement is permitted.) (Excluding M.S. or Tor reinforcement) For all types of Columns 3) In RCC M-250

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 ( Rates are excluding GST)

Providing and fixing in position steel bar reinforcement of various diameters for RCC piles, caps, footings, foundations, slabs, beams, columns, canopies, staircases, newels, chajjas, lintels, pardies, 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, etc. complete (including cost of binding wire). (Bd-F- 17/306) Corrosion Resistant Steel (Fe 500)

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. ( Rates are excluding GST)

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 transpotation, loading, unloading, stacking and for all leads.

Conveying of filter media sand from godown / store to filter box & laying properly in filter beds. ( Rates are excluding GST)

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 and applying well mixed polymer cement slurry in ratio 1:2 over well soaked but surface dry concrete and steel rebar for adhesion of fresh cement and sand mortar as per specification as directed etc. complete. (item includes use of polymers like sikaapproved or similar materials of relevant specification and scaffolding for height 8 to 10 meter)

Providing applying repair polymer mortar of thickness as per sitecondition and in a mixof 1:5:15 (1Polymer :5 cement :15 sand) over freshly applied polymer cement slurry including keeping upto 8 to 10 mm short of outer surfaces and scarifying the exposed surface formechanical bonding of polymer modified mortar as per specification complete including scaffolding curing etc. (IPTS MC 76 /Indobond AC) ( Rates are excluding GST)

Providing & applying base coat of Epoxy polymide gel coat of (1:0.8 proporation Resin To Hardner) including surface cleaning by wire brush & removing dirt, over existing concrete or acrylic polymer modified plastered surface, including all labour, scaffolding if necessary etc. ( Rates are excluding GST)

Providing and applying 100 % solids polyurethane coating over the primer coat,top coat purethane at 1000 micron nominal thikness as per specification using plural components with sutabil application method and required equipments coating to be certified for food graded PU as per CFTRI or equivalent standard. ( Rates are excluding GST)

Providing and injecting epoxy grout including structuring of crack in the body of slab girder by sand blasting, fixing inlet tube arrangement including cost of materials, machinery required for the work and labour charges etc. complete.

Providing, laying, jointing SS304 pipes including specials, cost of material required for its jointing, all taxes, duties, octroi, loading, unloading, transportation, all labour, material, machining, grinding, rolling, welding, testing etc. compete.

"Supplying, erecting testing commissioning of twin lobo type rotary Air blower having capacity 500 CuM/Hr with suitable motor erected on a common frame with proper coupling as per detailed specification & erected on base frame & embedded in provided CC foundation including cable, and star delta control pannel.etc complete job."

Lowering, laying and jointing in position following C.I.D/F Reflex valves, Butterfly valves and Sluice valves including cost of all labour jointing material, including nut bolts and giving satisfactory hydraulic testing etc. complete. (Rate for all class of valves.) Lowering,laying and jointing in position following C.I.D/F Reflex valves, Butterfly valves and Sluice valves 6) 150 mm.

Manufacturing, providing and supplying spirally welded / ERW/ SAW / fabricated M. S. pipes (Commercial Quality) including procurements of plates, gas cutting to requried size rolling, tack welding assembling in suitable lengths to form pipes, welding on automatic welding machine and forming ‘V’ edge on both ends of pipes including railway freight, insurance, unloading from railway wagon, loading into truck, transport to stores, unloading, stacking excluding GST levied by GOI & GOM in all respect, etc, complete as per IS - 3589 and IS-5504 as applicable as per specifications (No negative tolerance in thickness is permissible). Dia of Pipe : 219.10 mm (O. D.) Thickness of pipe : 3) 6.4 mm

Welding in all positions with required number of runs, for M. S. pipes internally and / or externally including gauging wherever necessary, fixing appurtenances and other accessories in connection with pipe laying work as per specification. 12 mm.

Providing and supplying at site of ductile iron / spheroidal graphite (S.G.) iron D/F non- rising spindle resil-ient seated glandless sluice valves with handwheel &without bypass arrangement. Valves in accordance with BS 5163 of PN-10/ 16 rated, with body and bonnet of ductile iron confirming to IS 1865 Gr. 500/7 or Gr.400/15. Wedge fully encapsulated WRAS approved EPDM rubber (approved for drinking water), Wedge nut of brass,shaft of stainless steel 1.4021/1.4104, stem seals min. 3 nos. of NBR, internal fasteners of stainless steel A2. Body& Bonnet coated inside & outside with electrostatically applied epoxy powder coated blue colour (suitable for drinking water) as per DIN 30677- 2 & GSK guidelines with a coating thickness of min. 250 microns. Valves should be full bore & tight shut-off. Flange drilling as per IS 1538 raised face & pressure testing at manufactures works shall be done as per IS 14846. including transportation charges excluding GST levied by GOI & GOM in all respect etc. complete. (For PN 10 & 16) 150 mm.

Cat (B) - Buy Back Items

Rebate for old Dismantled material i.e old Air Blower ,Old MS Air Line & Air Control Valve etc complete.

NIRMAL AQUASOL PVT LTD (BID ID -7130068)

SWAMIRAJ CORPORATION (BID ID -7129989)