Repair/Maintenance of filter media with clarifier, floculator, turbine parts, compressor and other connected work at HQ pump house, river side pump house and SMQ sewage treatment plant AFS Digaru

Amount

Dewatering of Airator chamber of size 8 mtr X 2.5 mtr X 1.5 depth by means of pump set and removing all deposited silt,mud,sludge etc from the bottom of RCC tank and depositing at distance not exc 50 mtr, Cleaning and disinfection of entire internal surfaces of chamber using suitable cleaning agent / bleaching powder,complete all as specified and directed by Engr-in-charge

Dewatering of cascade Airator 4 step of base dia 7 mtr, height 6 mtr approx by means of pump set and removing all deposited silt,mud,sludge etc from the all step of RCC foundation and depositing at distance not exc 50 mtr, Cleaning and disinfection of entire internal and outer surfaces of all steping including Base foundation by using jet water spry(using jet water spry machine) and suitable cleaning agent(liquid spry type),complete all as specified and directed by Engr-in-charge

Preparation of wall with broom or steel wire brush complete and M & L for distemper Oil emulsion /cement base paint one coat as per existing colour with arrangement of scaffolding / T&P by the contractor for outer surface RCC Airator tank well of any shape of the of size 8mtr X 2.5 mtr X 1.5 mtr depth all as specified and directed.

Dewatering of flocculation chamber of size 13'6" X 13'6" X 12' depth by means of pump set and removing all deposited silt,mud,sludge etc from the bottom of RCC tank and depositing at distance not exc 50 mtr, Cleaning and disinfection of entire internal surfaces of chamber using suitable cleaning agent / bleaching powder,complete all as specified and directed by Engr-in-charge

Dewatering of Clarifier chamber of size 36' dia,14'6" depth by means of pump set and removing all deposited silt,mud,sludge etc from the bottom of RCC tank and depositing at distance not exc 50 mtr, Cleaning and disinfection of entire internal surfaces of chamber using suitable cleaning agent / bleaching powder,complete all as specified and directed by Engr-in-charge

Preparation of wall with broom or steel wire brush complete and M & L for distemper Oil emulsion /cement base paint one coat as per existing colour with arrangement of scaffolding / T&P by the contractor for outer surface RCC Flocculator tank well of any shape of the of size 13'6" X 13'6" X 12' depth all as specified and directed.

Preparation of wall with broom or steel wire brush complete and M & L for distemper Oil emulsion /cement base paint one coat as per existing colour with arrangement of scaffolding / T&P by the contractor for outer surface RCC Clariffier tank well of any shape of the of size 36' dia,14'6" depth all as specified and directed.

Removal of existing/old unserviceable RCC filter media size approx 3meterX 3meterX 3.5 Meter depth of water treatment plant and deposting at a distance not exceeding 50 meter and cleaning filterchamber and wall surface throughly etc complete all as directed

Supply and filling of filter media using graded gravel of size between 40mm to 20 mm etc complete all as directed

Supply and filling of filter media using graded gravel of size between 25mm to 15 mm etc complete all as directed

Supply and filling of filter media using graded gravel of size between 15mm to 08 mm etc complete all as directed

Supply and filling of filter media using BARKARA coarse sand of 10 to 20 mesh etc completeall as directed

Supply and filling of filter media using BARKARA coarse sand of 16 to 32 mesh etc completeall as directed

Cleaning of under ground raw sewage water lifting well of size 3mx3mx3.5m deep by removing sludge and silt completely with the help of electric operated lift machine from the bottom of raw sewage water lift well (approximate height of sludge 1.5m) scrapping out complete sludge from the side wall of raw sewage well with the help of wire brush & transport the complete sludge and silt at distance 3 km away from the sewage treatment plant including applying two coat of lime wash on side wall of sewage raw water lifting well wall and Clearing and cleaning of the site all as directed by Engineer-in-Charge.

Cleaning of FMR tank of size 13mx6.5x3.5m deep by removing sludge and silt completely with the help of electric operated lift machine from the bottom of raw sewage water lift well (approximate height of sludge0.5m) scrapping out complete sludge from the side wall of raw sewage well with the help of wire brush and transport the complete sludge and silt at distance 3km away from the sewage treatment plant including applying two coat of lime wash on side wall of FMR tank of sewage treatment plantl and clearing and cleaning of the site all as directed by Engineer-in-Charge.

Cleaning of Equilisation tank of size 11.5mx8.5x3.5m deep by removing sludge and silt completely with the help of electric operated lift machine from the bottom of raw sewage water lift well scrapping out complete sludge from the side wall of raw sewage well with the help of wire brush and transport the complete sludge and silt at distance 3km away from the sewage treatment plant including applying two coats of lime wash on side wall of Equilisation tank of sewage treatment plantl and clearing and cleaning of the site all as directed by Engineer-in-Charge.

Cleaning of under ground raw sewage water lifting well at civilian qtr of size 3mx3mx3.5m deep by removing sludge and silt completely with the help of electric operated lift machine from the bottom of raw sewage water lift well (approximate height of sludge 1.5m) scrapping out complete sludge from the side wall of raw sewage well with the held of wire brush & Transport the complete sludge and silt at distance 3 km away from the sewage treatment plant including applying two coat of lime wash on side wall of sewage raw water lifting well walls clearing and cleaning of the site all as directed by Engineer-in-Charge.

Cleaning of under ground rain water lifting well at of size 3mx2.5mx3.5m deep by removing mud and silt completely with the help of electric operated lift machine from the bottom of rain water lift well scrapping out complete mud/ silt from the side wall of rain water lift well with the help of wire brush including applying two coat of lime wash on side wall of sewage raw water lifting well wall clearing and cleaning of the site all as directed by Engineer-in-Charge.

Cleaning of sludge drying beds of size 1.2mx1.2mx1.5m deep by removing sludge /silt completely & scrapping out complete sludge/ silt from the side wall of drying beds with the help of wire brush including applying two coat of lime wash on side wall of sludge drying bedsat sewage treatment plant and clearing and cleaning of the site all as directed by Engineer-in-Charge.

Removal of existing old /unserviceable filter media and supply filling /laying filter media in the sewage treatment plant including necessary testing complete all as specified and directed. (a) Coarse sand 16 to32 mesh

M&L, one coat of synthetic enamel painting over a coat of red oxide primer after scraping the rusted surface of the existing panel board, pump motor, blower unit, air blower pipe line, sludge pipeline ,clear water pipeline ,valves,pump house gate etc with the brush all as per existing colour code and directed by Engr-in-charge. (a) sewage plant

Preparation of outer wall with broom or steel wire brush complete and M & L for distemper Oil emulsion /cement base paint Two coat as per existing colour with arrangement of scaffolding / T&P by the contractor for outer surface of under ground raw sewage Tank of capacity size 3mx3mx3.5m deep at STP all as specified and directed.

Description all as per item No 22 herein above but Equilisation tank of size 11.5mx8.5x3.5m deep at SMQ STP .

Description all as per item No 22 herein above but FMR tank of size 13mx6.5x3.5m deep at STP.

Supply and fixing in repair non return CI valve with GM working parts 150 mm dia with nut,bolts,rubber gasket etc ISI marked IS- 5312 complete all as specified and directed.

Supply and fixing in repair PVC Suction hose pipe 100mm for pump

Supply and fixing in repair Non Return Valve as per existing size for chemical/cholorine dosing pump

Supply and fixing in repair LDPE Pipe 15mm dia as per existing size for chemical/cholorine dosing pump

Supply and fixing in repair soft Plastic Pipe 5 mm dia for chemical/cholorine dosing pump

Supply and fixing in repair Discharge Valve Assembly as per existing size for chemical/cholorine dosing pump

Supply and fixing in repair Pressure Relief Valve as per existing size for chemical/cholorine dosing pump

Supply and fixing in repair PRV Adaptor/Injector as per existing size for chemical/cholorine dosing pump

M & L of servising of Chemical/alum dosing pump as per sample all as directed

Supply and fixing in repair of CI Diaphragm valve angular type 65 mm ISI marked

Supply and fixing in repair of CI Diaphragm valve angular type 40 mm ISI marked

Supply and fixing in repair Butterfly valve Lever operated 80 mm dia IS: 13095 make Zoloto/BIR/Ramco

Supply and fixing in repair of water presure gauge 0 to 100 psi

Supply and Fixing in repair of PVC foot valve 80 mm dia as per ISI

Dismantling/taking down all electrical and mechanical connection of twin lobe blowers model No -610FS (Make:- Everest) capacity 630cum/hr ,pressure 0.37 kg/cm and servicing hole body, change gear oil/lubricant and V belt,overhauling of the same including testing complete all as specified and directed. Note;- spare parts and gera oil/lubricant shall be measured and paid separately

Supply only following materials:-

Servo gear oil super 90, Make indian oil

Bearing as per sample for air blowers model No -610FS (Make:- Everest)

Gasket kit as per sample for air blowers model No -610FS (Make:- Everest)

Oil sealas per sample for air blowers model No -610FS (Make:- Everest)

V-belt as per sample for air blowers model No -610FS (Make:- Everest)

Air filteras per sample for air blowers model No -610FS (Make:- Everest)

Taking down Turbine motor of 50 HP capacity from existing position for carring out repair works and re-assembling, re-installing the pump set in original position for the following capacity: Note:- spare parts ,winding wire required for renewal shall be measured and paid separately.

Supply and fixing in repair ball bearing suitable for turbine pump 50 HP no 321E/291E Make SKF/NBC or equivalent

Supply and fixing in repair ball bearing suitable for turbine pump 50 HP no 6311 Make SKF/NBC or equivalent

Supply and fixing in repair MS collar as per sample

Supply and fix in replacement of sluice valve 100 mm dia ISI marked PN 1.6 flanged both ends with brass spindle ,CI hand wheel complete with all necessary nut bolts rubber gasket etc .Make Kirloskar/Leader/Bir

Supply and fixing Pump shaft (Min 3 Meter long) of mild steel with MS socket complete with threading ,machining and groove cutting with shaft key as per sample .

Suply only OT solution for chlorine test (500 ml)

M/S SUBHAS CONSTRUCTION CO

M/S Vimal Enterprise

R.K Engineering Assemble

M/s Capital Traders

Ms N D Enterpise

M/s Rawat Enterprises