SPECIAL REPAIR/REPLACEMENT TO IRON REMOVAL PLANT AGAINST 73 MTN BDG AREA AT DINJAN UNDER GE DINJAN

Amount

Supply, install, testing and commissioning of Iron Removal Plant outdoor type for capacity of 45000 LPH/10000 GPH direct in line type dual media filter system activated carbon filter system having raw water Fe contain not less than 3.0 PPM and treated water should have less than 0.3 PPM with all necessary civil work for foundation, hard standing for operation and maintenance of size not less than 50 sqm, drainage for backwash water upto suitable location less than 50 mtr from IRP including dismentaliling and removing of existing BER plant from FSD area to MES store yard as per direction of Engr in Charge. TYPE OF PRE FILTER AND IRON REMOVAL FILTER VESSEL : VERTICAL, SINGLE DECK AND MULTIGRADE (Both). Shell MS prefabricated factory made Size not less than 2.500 m dia x 1.500 m SQH Thickness of Body, Dish end & bed plate not less than 08 mm x 10 mm x 12 mm. Frontal (face)pipe line will be fabricate from 100 mm ERW/seamless pipe (Medium) with suitable support against vibration and self weight. Under plate system strainer – Double nut type PVC /SS strainer not less than 450 Nos. Mno2 compound at least 26 Cft/.742 CuM in Iron removing Vessel only. TYPE OF OXIDATION CHAMBER – VERTICAL, SINGLE DECK. Shell size not less than 1.000 m dia x 1.200 m SQH Thickness of Body, dish end & bed plate 6 mm x 8 mm x 8 mm. Mno2 compound 21 cft/ 0.6 CuM. Air Compressor 5 HP 21 CFM. ACTIVATED CARBON FILTER Make – VERTICAL, SINGLE DECK AND MULTIGRADE Shell MS prefabricated factory made Size not less than 2.100 m dia x 1.500 m SQH Thickness of Body, Dish end & bed plate not less than 08 mm x 10 mm x 12 mm. Frontal (face) pipe line will be fabricate from 100 mm ERW pipe (medium) Valves in frontal pipe line Butter Fly valves flanges less finish – 100 mm. Under bade plate system with strainer Double nut type PVC strainer not less than 337 Nos. Guard media (only gravels) 37 cft/1.057 CuM. Activated carbon not less than 99 cft/ 2.8 CuM. Pressure gauge with fitting 06 sets for raw and filter water. Chlorine dosing pump with dosing system Dosing pump. Make : Ramco Model : FERROTREAR VIR 101025FC or equivalent make as given in Appx B as all specified and directed

Supplying & fixing to walls and ceilings or laid in floors 100 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supply and laying column pipe 100 mm bore both end flanged made out of GI tubing medium grade welded at end of column pipe cutting of groove to house submersible cable 3 core length of each column pipe not exceeding 3.10 metres complete all as specified and as directed.

M & L for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 100 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core, nominal cross sectional area of main conductor 16 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 4.0 mm dia galvanised mild steel wire by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 20 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

M & L for brick work with sub class 'B' bricks, straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:6 complete all as specified and as directed.

M & L for cement concrete in surface channels and drains in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

Material and labour for plastering 10 mm thick on fair faces of brick work or concrete surfaces (on vertical surfaces) in cement mortar 1:6 finished even and fair complete all as specified and as directed.

M & L for cement concrete M15 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate 150 mm thick in flooring finished even and smooth without using extra cement complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

M & L for hardcore (broken bricks) of gauge not exceeding 63 mm, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

M & L for laying of bricks locally available sub class 'B' bricks (old size) for cable protection cover laid flat and dry in trenches over the cablfCe perpendicular to the direction of cable all as directed.

M & L for sand filling under floors or in foundations including watering and consolidation complete all as specified and as directed.

Garg Brothers

M/s HALDER ENTERPRISE

kabitaconstruction

ms singh construction

R.K.ENGINEERING ASSEMBLE