REPAIR/MAINT OF IRON REMOVAL PLANT AND 30000 GPH PRESSURE FILTER 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 250 mm dia bore and fixing up in Cast Iron/ ductile iron Water supply mains of size 250 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 double nut type as per sample provided for iron removal plant /pressure filter 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 of preferred materials, nominal size 150 mm including nuts, bolts, packing sheets etc. including taking down u/s sluice valve 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 of preferred materials, nominal size 100 mm including nuts, bolts, packing sheets etc. including taking down u/s sluice valve 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 of preferred materials, nominal size 80 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

M & L in repairs 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 in repairs 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.

Dismantling of the existing valve chamber & M & L for construction of new valve chamber of size 1000 mm X 1000 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.

Dismantling of the existing valve chamber & 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.

Dismantling of the existing valve chamber & M & L for construction of new valve chamber of size 1500 mm X 1500 mm X 1500 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.

supply and lay MS pipe heavy duty with all fittings laid in floor or fixed to the walls or celling of size 150 mm bore including taking down of old u/s pipe from any position all as specified and directed

supply and lay MS pipe heavy grade with all fittings laid in floor or fixed to the walls or celling of size 100 mm bore including taking down of old u/s pipe from any position all as specified and directed

supply and lay MS pipe heavy grade 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 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 up to 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 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

Supply & fix 150 mm cast iron double side flanged venturi conduit and also including takingdown old u/s venturi all as specified and directed

M/S SINGH TRADERS

ms singh construction

RIA CONSTRUCTION