PROVN OF IRON REMOVAL PLANT AT DINJAN MIL STN UNDER GE DINJAN

Amount

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 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.

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

Supplying, installing, testing and commissioning of Iron removal plant of capacity 69 m³ per hour complete with nano media based catalytic oxidation-based iron removal technology, chlorination, suitable for without using chemical or aeration to remove the iron or reactivate the media. The activated filtration media should be capable to remove the bio fouling and smell in water, silver nano infused carbon media, pebbles. the iron removal plant should use FRP Vessels with multi port valves, CPVC pipes and fittings of desired size. (FRP vessels used must be NSF certified/marked ) The iron removal technology must be tested and approved from Council of Scientific & Industrial Research, Government of India for iron content upto 20 ppm and should approved in category-1 from Ministry of drinking water and sanitation, Government of India (water quality section) by R.A Mashelkar committee. The iron removal technology should be capable to remove iron upto 20 ppm from Water and the Council of Scientific & Industrial Research Test report provided must state this. Iron removal plants must treat iron online. the technology should require no electricity for treatment of water. The life of iron removal media should be minimum 5 Years. The treated water must have iron less than 0.3 ppm as pes IS 10500. For disinfection, the treated water shall be disinfected with SCS-10K chlorine dioxide (Category -1 technology approved from Ministry of drinking water and sanitation). including necessary civil works as required for installation and smooth running of plant all as specified and directed by Engineer-in-Charge. including following technical specification: - Dia of vessel: 1219.2 mm ± 50 mm Height of the vessel: 1828.8 mm ± 50 mm Base of the vessel: Tripod MOC of vessel: FRP (Food grade NSF Certified) Vessel Pressure: 10 bar Type of valve: Multiport valve No of MPV: 2 Nos Size of MPV: 65 mm Butterfly valve for distribution: 65 mm Size of piping and fittings: 65 mm CPVC Vessel inside distribution and filtration system: Made of CPVC or UPVC or HDPE Material of piping and fittings: Made of CPVC Non return valve: 2 Nos FT: Made of CPVC with Brass Vessel certificate: NSF Certified

M & L for cast iron pipes with spigot and socket ends, centrifugally cast, class B, 80 mm bore in any length, laid in trenches complete all as specified and as directed.

M & L for cast iron pipes with spigot and socket ends, centrifugally cast, class B, 100 mm bore in any length, laid in trenches complete all as specified and as directed.

M & L for cast iron pipes with spigot and socket ends, centrifugally cast, class B, 150 mm bore in any length, laid in trenches complete all as specified and as directed.

M & L for construction of new valve chamber of size 900 mm X 900 mm X 900 mm including necessary earth work in any type of soil, PCC foundation M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate as in base concrete, brick work (one and half brick thick) in CM 1:6 with 20 mm thick cement plaster internally and externally in two coats of (12 mm and 8 mm) in cement mortar 1:4, 3 mm thick mild steel cover of structural steel of grade E165 as per IS 15911: 2010 riveted with angle iron (50 mm X 50 mm X 6 mm) frame of structural steel of grade E165 as per IS 15911: 2010, frame welded to base plate of size 150 mm X 12 mm and made of structural steel of grade E165 as per IS 15911: 2010, base plate fixed with 300 mm thick PCC coping in M15(Nominal Mix) using 20 mm nominal size graded crushed stone aggregate 50 mm X 50 mm X 6 mm mild steel washer, PCC benching 200 mm thick in M15(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate with necessary, welding, riveting, bolting including painting exposed steel surfaces with two coats of bituminous paint and embedded surfaces of steel with two coats of tar, finishing exposed faces of concrete surfaces and plaster surfaces with three coats of white wash as per drawing No. TD/EM/6 sheet Nos 1/2 & 2/2 of HQ CE Shillong Zone 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 80 mm including nuts, bolts, packing sheets etc. 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.

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 150 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

Taking up cast iron water mains (including all fittings), 150 mm nominal size, with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and as directed.

M & L except pipes for cast iron pipes with spigot and socket ends, centrifugally cast, class B, 150 mm bore in any length, laid in trenches complete all as specified and as directed.

Supply and laying cast iron fittings for flanged pipes such as bends (any type radius and angle), tapers any type (straight, bends, increasing, decreasing or double socket etc.), tee pieces, single branch, 'Y' junction, double branch, straight connecting pieces etc. but all ends flanged suitable for bore of pipe upto 150 mm complete all as specified and as directed.

M & L for run lead joint for spigot and socket cast iron pipes and fittings of nominal bore 150 mm complete all as specified and as directed.

M & L for run lead joint for spigot and socket cast iron pipes and fittings of nominal bore 100 mm complete all as specified and as directed.

M & L for run lead joint for spigot and socket cast iron pipes and fittings of nominal bore 80 mm complete all as specified and as directed.

Surface dressing not exceeding 15 cm deep in soft/ loose soil complete all as specified and as directed.

M & L for granular sub base of Grading III as per IRC 15: 2011, 100 mm thickness and rolled and consolidated with power roller 8 to 12 tonne to required gradient and camber complete all as specified and as directed.

M & L for cement concrete M7.5 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate 100 mm thick in sub base for laying tiles, pavings, floorings etc. all as specified and as directed.

M & L for cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate as in floor 100 mm thick finished even and smooth without using extra cement complete all as specified and directed.

Cutting the existing cast iron/ galvanised iron pipes 150 mm bore in position for insertion of new tees, branches, etc. complete all as specified and as directed.

Cutting the existing cast iron/ galvanised iron pipes 100 mm bore in position for insertion of new tees, branches, etc. complete all as specified and as directed.

M/s Dharya Enterprises

M/s Singh enterprises

FREEZCON

V S BUILDER