REPAIR MAINT OF IRON REMOVAL PLANT AND 30000 GPH PRESSURE FILTER AT MAIN PUMP HOUSE AT LEKHAPANI MIL STN UNDER GE LEKHAPANI

Amount

Removal of catalytic media complete from mild steel shell (oxidation chamber) of iron removal plant having capacity 10000 GLN and disposal of unseviceable materials to a distance not exc 50 meter and Scraping, de-scaling cleaning internal surfaces of mild steel shell and appling two coats of approved drinking water grade paints and providing one coat of painting on external surface of shell along with pipeline with anticorrosive over a coat of red oxide /zinc chrome primer with necessary prepraation of surfaces and Supply and pouring of new catalytic media MNO2(600 KG) in the chamber. complete all as specified and directed.

Removal of filter media complete from mild steel shell of iron removal plant 10000 GPH of dimension 2.25 metre dia and 1.5 metre height and pressure filter of dimension 2.25 metre diameter and 6.75 metre height of capacity 30000 GPH and disposal of unseviceable materials to a distance not exc 50 meter complete all as specified and directed.

Scraping, de-scaling cleaning external surfaces of mild steel shell and appling two coats of red oxide /zinc chrome primer with one coat of approved anticorrosive paint over a coat of red oxide /zinc chrome primer with necessary prepration of surfaces on external surface of iron removal plants and pressure filter including pipeline. complete all as specified & directed.

Supply and fix Cast Iron Air Valves with single air Outlets, conforming to IS 14845 of size 150 mm dia bore and fixing up in Cast Iron/ ductile iron Water supply mains of size 150 mm dia with all fittings including taking down of old unserviceable one, all as specified and as directed.

Scraping, de-scaling cleaning internal surfaces of mild steel shell and appling two coats of red oxide /zinc chrome primer with one coat of approved black bituminous paint over a coat of red oxide /zinc chrome primer of drinking water grade paints with necessary prepration of surfaces on internal surface of iron removal plant and pressure filter complete all as specified & directed.

Supply and incorporation of MNO2 of size 1/8'' x 1/10'' as filter media of iron removal plant and pressure filter in ,complete all as specified & directed

Supply and incorporation of GRAVEL of size 1 1/4'' x 1 1/2'' as filter media of iron removal plant complete all as filter media of iron removal plant and pressure filter ,complete all as specified & directed.

Supply and incorporation of GRAVEL of size 1/2'' x 1'' as filter media of iron removal plant complete all as filter media of iron removal plant and pressure filter ,complete all as specified & directed.

Supply and incorporation of GRAVEL of size 1/4'' x 1/2'' as filter media of iron removal plant and pressure filter complete all as filter media of iron removal plant ,complete all as specified & directed.

Supply & incorporation of SAND of size 1/6" x 1/8'' mesh as filter media of iron removal plant and pressure filter complete all as filter media of iron removal plant ,complete all as specified & directed.

Supply & incorporation of Anthracite grit (activated charcoal) of size 1/8" x 1/4'' as filter media of iron removal plant and pressure filter complete all as filter media of iron removal plant ,complete all as specified & directed.

Supply & fixing PVC strainers Y type conforming to IS, size 100,, dia and taking out old u/s one. complete all as specified & directed.

Material & Labour for cleaning & washing of JACK WELL of dia 4.60 metre and depth 10 meter by making preparatory arrangement and taking out deposited sludge, soils etc from the bottom including cleaning inside walls with steel wire brush, gunny bags, etc and washing/ cleaning and removing sludge, soil, etc., to a distance not exceeding 50 meter from the pump house campus and deposited where directed complete including writing the words "Date Cleaned on" on the Front/Road side face all as specified and as directed.

Material & Labour for cleaning/washing sedimentation tank of capacity 25000 Gallons by making preparatory arrangement and taking out deposited sludge, soil etc., from the bottom including cleaning inside walls with steel wire brush, gunny bags, etc and washing/cleaning and removing sludge, soils etc to a distance not exceeding 50 metre from the pump house campus area, and deposited where directed complete including writting the words "Date Cleaned on" on the Front/Road side face complete all as specified and as directed.

Material & Labour for cleaning/washing lamila clarifer of tank capacity 20000 litres and cleaning of the steel plates of the clarifier by making preparatory arrangement and taking out deposited sludge, soil etc., from the bottom including cleaning inside walls with steel wire brush, gunny bags, etc and washing/cleaning and removing sludge, soils etc to a distance not exceeding 50 metre from the pump house campus area, and deposited where directed complete including writting the words "Date Cleaned on" on the Front/Road side faceand painting them with two coats of primer of zinc oxide and one coat of black bituminous paint for the inner surface of the tank and clarifer plates complete all as specified and as directed.

Material & Labour for cleaning/washing of Ground level storage sump of 20000 gallons capacity after complete pumping out of water from the static tank (Pumpset is own arrangement of the contractor) and removing all dirts/sludge by scraping with steel wire brush/ gunny bags cleaning/ washing thoroughly floor and inner walls with bleaching powder solution and removing sludge/soils etc., to a distance not exceeding 50 metre from pump house campus, including writting the words "Date Cleaned on" on the Front/Road side face complete all as specified and as directed

Material & Labour for cleaning/washing of Ground level storage sump of 25000 gallons capacity after complete pumping out of water from the static tank (Pumpset is own arrangement of the contractor) and removing all dirts/sludge by scraping with steel wire brush/ gunny bags cleaning/ washing thoroughly floor and inner walls with bleaching powder solution and removing sludge/soils etc., to a distance not exceeding 50 metre from pump house campus, including writting the words "Date Cleaned on" on the Front/Road side face complete all as specified and as directed

Material & Labour for cleaning/washing of Ground level storage sump of 50000 gallons capacity after complete pumping out of water from the static tank (Pumpset is own arrangement of the contractor) and removing all dirts/sludge by scraping with steel wire brush/ gunny bags cleaning/ washing thoroughly floor and inner walls with bleaching powder solution and removing sludge/soils etc., to a distance not exceeding 50 metre from pump house campus, including writting the words "Date Cleaned on" on the Front/Road side face complete all as specified and as directed

M & L in repairs for rising stem type CI sluice valves (ISI Marked) having double flanged SS spindle for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 (Reaffirmed 2010) of preferred materials, nominal size 150 mm including nuts, bolts, packing sheets, a pair of rubber gasket ISI mark, complete all as specified and as directed.

M & Lfor rising stem type CI sluice valves (ISI Marked) having double flanged SS spindle for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 (Reaffirmed 2010) of preferred materials, nominal size 100 mm including nuts, bolts, packing sheets, a pair of rubber gasket ISI mark, complete all as specified and as directed.

M & L for rising stem type CI sluice valves (ISI Marked)having double flanged SS spindle for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 (Reaffirmed 2010) of preferred materials, nominal size 80 mm including nuts, bolts, packing sheets, a pair of rubber gasket ISI mark. complete all as specified and as directed.

M & L flanged reflux valves (ISI Marked)of single door, swing check type (non return valves) of nominal pressure (PN 1.6) as per IS 5312 (Part 1): 2004, nominal size 100 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

M & L flanged reflux valves(ISI Marked) of single door, swing check type (non return valves) of nominal pressure (PN 1.6) as per IS 5312 (Part 1): 2004, nominal size 80 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

S & F in repairs butterfly valve (ISI Marked) cast iron double flanged, long type, lever operated, PN 1.6, class 300, nominal size 100 mm as per IS 13095: 1991 including necessary fittings complete all as specified and as directed.

S & F in repairs butterfly valve (ISI Marked) cast iron double flanged, long type, lever operated, PN 1.6, class 300, nominal size 80 mm as per IS 13095: 1991 including necessary fittings complete all as specified and as directed.

M & L for construction of new valve chamber of size 1200 mm X 1200 mm X 1000 mm with necessary brick work (subclass B) in CM 1:6, including necessary earth work in any type of soil, PCC foundation (1:3:6) type D-2, 20 mm grade stone aggregate as in base concrete, brick work in CM 1:4 with 10 mm thick plaster internally and 15 mm thick externally in CM 1:4, 4 mm thick MS cover with hinges and locking arrangement fixed to angle iron frame made out of 40 mm X 40 mm X 6 mm MS angles complete with 2 coats of synthetic enamel paint over one coat of red oxide prime on all metal works & three coats of white wash on all plastered surfaces of valve chambers complete all as specified & directed by Engineer-in-Charge.

Dismantling of the existing valve chamber & 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, PPC foundation (1:3:6) type C-2 40 mm grade stone aggregate as in base concrete, brick work in CM 1:6 with 10 mm thick plaster internally and 15 mm thick externally in CM 1:4, 4 mm thick MS cover with hinges and locking arrangement fixed to angle iron frame made out of 40 mm X 40 mm X 6 mm MS angles complete with 2 coats of synthetic enamel paint over one coat of red oxide prime on all metal works & three coats of white wash on all plastered surfaces of valve chambers complete all as specified & directed by Engineer-in-Charge.

M & L for construction of new valve chamber of size 600 mm X 600 mm X 600 mm with burnt brick (Sub class B) including necessary earth work in any type of soil, PPC foundation (1:4:8) type D-2 20 mm grade stone aggregate as in base concrete, brick work in CM 1:4 with 10 mm thick plaster internally and 15 mm thick externally in CM 1:4, 4 mm thick MS cover with hinges and locking arrangement fixed to angle iron frame made out of 40 mm X 40 mm X 6 mm MS angles complete with 2 coats of synthetic enamel paint over one coat of red oxide prime on all metal works & three coats of white wash on all plastered surfaces of valve chambers complete all as specified & directed by Engineer-in-Charge.

supply and lay MS pipe heavy duty with all fittings laid in floor or fixed to the walls or celling of size 80 mm bore including taking down of old u/s pipe from any position all as specified and 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.

Supply and laying cast iron fittings for spigot socketed 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, cross (all sockets or socket and spigot), collars, caps and plugs suitable for bore of pipe from 200 mm to 300 mm complete all as specified and as directed.

Supply & fix 100 mm cast iron double side flanged venturi conduit of and also including taking down old u/s venturi all as specified and directed

Supply & fix 80 mm cast iron double side flanged venturi conduit and also including taking down old u/s venturi all as specified and directed

S&F DI pipe 150mm of length 1.5- 1.6m and should have 26 Nos 50mm flange type arrangement at equal distance for connection the 50mm heavy grade GI pipe of length 0.7 m, 26 Nos. The GI pipes heavy grade 50mm should have one side flange type and other side should be plug socket. Gun metal Nozzle as per existing dia and size fixing arrangement on each length of GI pipe 04 Nos, total nozzle 26x04 = 104 Nos for aeration tower including necessary B/R work required for making good at main pump house and taking down old complete all as specified and directed by Engr-in-charge.

Supply and fixing the PVC cover suitable for PVC water tank of any capacity and size including locking arrangement including removing broken / unserviceable PVC cover complete all as specified and directed.

S & F 100 ltr FRP solution preperation cum storage tank with lid, port hole, inlet/outlet drain connection facility and fitted with agitor motor including taking down old complete all as specified.

Cleaning and removing all scale and dirt, etc.with wire brush from RCC service water tanks capacity exceeding 500 litres but not exceeding 1000 Litres and from mouths of circulating pipes, etc. including writing date of cleaning on outer body with 100mm high by synthetic enamel paint(white/black color) suplly and fixing air vent pipe to the tank (connecting with tee and joining with 2 ft GI Medium grade 20mm dia pipe above the outlet pipe from the tank) complete all as specified and as directed.

Cleaning and removing all scale and dirt, etc.with wire brush from RCC water tanks capacity exceeding 1000 litres but not exceeding 2000 Litres and from mouths of circulating pipes, etc. including writing date of cleaning on outer body with 100mm high by synthetic enamel paint(white/black color) suplly and fixing air vent pipe to the tank (connecting with tee and joining with 2 ft GI Medium grade 20 mm dia pipe above the outlet pipe from the tank) complete all as specified and as directed.

Cleaning and removing all scale and dirt, etc.with soft brush from PVC service water tanks capacity exceeding 500 litres but not exceeding 1000 Litres and from mouths of circulating pipes, etc. including writing date of cleaning on outer body with 100mm high by synthetic enamel paint(white/black color) suplly and fixing air vent pipe to the tank (connecting with tee and joining with 2 ft GI Medium grade 20 m dia pipe above the outlet pipe from the tank) complete all as specified and as directed.

Cleaning and removing all scale and dirt, etc.with soft brush from PVC service water tanks capacity exceeding 1000 litres but not exceeding 2000 Litres and from mouths of circulating pipes, etc. including writing date of cleaning on outer body with 100mm high by synthetic enamel paint(white/black color) suplly and fixing air vent pipe to the tank (connecting with tee and joining with 2 ft GI Medium grade 20 m dia pipe above the outlet pipe from the tank) complete all as specified and as directed.

Carrying out testing of water sample of untreated water, treated water at installation and at used end for all parameters mentioned in Table 1 to Table 6 of IS 10500: 2012 from NEIST Jorhat/ DRL Tezpur or any approved Lab as approved by the GE complete all as specified and as directed.

S & F rotational moulded polyethylene double layer water tanks (vertical cylindrical with close top) as per IS 12701: 1996 of 500 litres capacity hoisted and fixed in position including provision of 20 mm /15 mm dia medium grade GI pipe for connecting inlet, outlet, over flow and washout pipes including taking down old unsv water tank all as specified and as directed.

S & F rotational moulded polyethylene double layer water tanks (vertical cylindrical with close top) as per IS 12701: 1996 of 250 litres capacity hoisted and fixed in position including provision of 20 mm /15 mm dia medium grade GI pipe for connecting inlet, outlet, over flow and washout pipes, including taking down old unsv water tank all as specified and as directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. complete all as specified and directed by 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 foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

Supplying, installing, testing and commissioning chemical dosing pump, made of plastic, diaphragm type, capacity 06 litres per hour @ 10 kg back pressure comprising suction valve, delivery valve etc. operated on single phase AC electric supply, 230 V, 50 Hz complete all as specified and as directed.

Supplying and laying CPVC pipes for potable hot and cold water distribution, nominal size 16 mm, pressure class 1, SDR 11 including plain CPVC fittings of pressure class 1, SDR 11 in trenches complete all as specified and as directed.

MAA COMMUNICATION

STANDARD ELECTRIC WINDERS

FREEZCON

ms singh construction