GE(W)/HSR-73/2022-23 CLEANING OF OHTS, UG SUMPS , RAW WATER RESERVIORS, FLOCULATORS, FILTER BEDS OF EXTERNAL WATER SUPPLY AND CENTRAL SEWAGE WELL, OXIDATION PONDS, AND MISC WORKS OF CENTRAL SEWAGE SYSTEM AT HISAR MIL STN UNDER GE (W) HISAR

Amount

Cleaning of raw water tank No.1& 2 of size 116 X 110 X 6.7 Mtrs deep by taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags including repair of float & floating arms & connected works by replacing the unserviceable MS float as per existing and making the float valve serviceable in all aspects, painting the floating arms with black bituminous paint, painting the existing water level indicator with black paint and marking level with white paint and making the float valve serviceable in all aspects, open if any blockages of inter connection pipes of existing size up to raw water UG sump of concern filtration plant below 6.7 Mtr from ground level, if any existing sluice valve found unserviceable making the serviceable in all aspects, including cutting &removal of grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank, if any civil works such as brick work, plastering and welding work for existing barrier surrounding of raw water tank required for making good condition of existing tank including painting with two coats of synthetic enamel paint on existing board/wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning. Note for item Nos 1,2&3 :- (i) It will be responsibility of the contractor to dewatering by Diesel pumps or by any other means. The entire job should be completed with in 20 days from the date of handing over site including repairs to walls & floors of tank, water found in any level and at any condition of weather. (ii) A penality/fine beyond 7 days @ 1% per week of the quoted rate and beyond 14 days and upto completion@ 2 % per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site. (iii) During repairing of existing size sluice valve if replaced with new one it should be measured and paid separately. (iv) During removal of the trees/bushes etc the holes made during uprooting shall be made good with the existing specifications to the entire satisfaction of the

All as per item No 1.00 but raw water tank No 3 of size 207 X 62 X 6.7 Mtrs complete all as specified and directed.

All as per item No 1.00 but raw water tank No-4 of size 207 X 114 X 6.7 Mtrs complete all as specified and directed.

Cleaning of drainage water reservoir of size 100 x 100 x 3 Mtrs deep by removing sarkanda, long wild grass completely before taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags complete including cutting &removal of Kikar trees, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank . (Western Pocket Drainage Pump House) Note for Item Nos.4&5:- (i) It will be responsibility of the contractor to take out the water by Diesel pumps or by any other means. The entire job should be completed with in 10 days from the date of handing over site in cluding repairs to walls & floors of tank, water found in any level and at any condition of weather. (ii) A penality/fine beyond 7 days @1% per week of the quoted rate and beyond 14 days and up to completion @2% per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site. iii) During removal of kikar trees/bushes etc the holes made during uprooting shall be made good with the existing specifications to the entire satisfaction of the Engr-in-Charge.

Cleaning of drainage water reservoir of size 100 x 50 x 3 Mtrs deep by removing sarkanda, long wild grass completely before taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags complete including cutting &removal of Kikar trees, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank . (Eastern Pocket Drainage Pump House)

Cleaning of clarifloculator (internally) size 17 mt dia and 3.5 mt deep internally having double chamber by scraping of wall, bottom, Aerator and channel from Aerator to Floculator with wire brush and jute bags, removing silt, sludge, any type of depositing and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mtr from the outer edge of the tank spread and leveled and two coat of white washing on whole chambers internally, externally existing and bottom of chamber after washing rubbing down and scraping of existing whitewash, if any fabrication work for existing internal structure of clarifloculator required for making good condition, including painting with two coats of black bituminous paint on existing internal chamber Iron structure and Painting on existing board/wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning complete.all as specified and directed by Engr-in-Charge. Note:- (i) The entire job should be completed with in 03 days from the date of handing over site in cluding fabrication work to internal chamber structure with satis faction of concern JE. (ii) A penality/fine beyond 3 days and up to completion @1% per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site.

Cleaning of sludge water tank for filtration plant-1 of size 38mt x 23 mt at top 32mt x 18 mt at bottom and 5mtr deep by removing sarkanda, long wild grass completely before taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 30 cm) and disposal of retrieved material to distance exceeding 50 mtr but not exc 100 mt from the outer edge of the tanks spread and leveled as directed by Engineer-in-charge, cleaning the floor of the tank and slanted surfaces up to the depth of silt by removing vegetation growth and any foreign substances and sweeping, by wire brushing and gunny bags complete including cutting &removal of Kikar trees, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank. Note for item 7,8,9,10,11 & 12 :- (i) The entire job should be completed with in 2 days from the date of handing over site in cluding fabrication work to internal chamber structure. (ii) A penality/fine beyond 2 days and up to completion @ 1 % per week of the quoted rate each Job will be charged if not completed in given time from the date of handing over of site.

All as per item No.7.00 but for filtration plant No-2&3 size of tank 6 mtr deep having 3 mtr dia complete all as specified and directed.

All as per Ser item No.7.00 but for filtration plant No-4 size of tank 6 mtr deep having 4.5 mtr dia complete all as specified and directed.

Cleaning of Clear water sump of Bansi park pump house 15 mtr deep having 3 mtr dia by taking out sludge mixed with water in the shape of mud silt, sand, including white wash of external surface, cutting & removal of kikar trees up to 30cm trunk, sarkanda, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank , cleaning bed & walls incl disposal of retrieved material to a distance exc 50 mt but n exc 100mt from outer edge of tank, spreading leveling complete all as specified and directed.

Cleaning of raw water UG sump of filtration plant No-1 (VT Pump House) size 7.5 mtr deep having 4.5 mtr dia by taking out sludge mixed with water in the shape of mud silt, sand including white wash of external surface removal of sarkanda, grass, bushes, weeds upto a distance of 5mtr from the outer edge around the tank , cleaning bed & walls incl disposal of retrieved material to a distance exc 50 mt but n exc 100mt from outer edge of tank, spreading leveling complete all as specified and directed.

All as per item No.11.00 but for filtration plant Nos- 2 & 3 size 6 mtr deep having 4.5 mtr dia complete all as specified and directed.

All as per item No.11.00 but for filtration plant No-4 size 12x4x6 Mtr complete all as specified and directed.

M&L internal cleaning of dome of RCC overhead tanks of any type of capacity of 2 lakh gallon and at 60/70 ft staging by scraping, brushing the internal surface of wall and bottom floor, cleaning, removing the sludge mixed with water in the shape of mud silt, sand (the depth of mud silt mixed approx 60 cm) and depositing where directed not exc 50 mt away from O/H tank and washing internal surface of tank incl bottom with water, applying one coat of lime wash(internally) and painting of stair case with two coats of synthetic enamel paint of approved colour complete incl painting of wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning and writing slogan as on dome of tank height of words 250mm:- "WATER IS PRECIOUS". Note for Item Nos.13,14,15 & 16 :- (i) It will be responsibility of the contractor to take out the water by electric submercible sludge pumps alongwith suitable cable for motor and electricity provision up to inside of dome of OHT. (ii) The entire job should be completed with in 8 hours from the handing over site in cluding scraping, brushing the internal surface of wall and bottom floor, cleaning, removing the complete accumulated silt sludge and washing internal surface of tank incl bottom with water, internally applying one coat of lime wash, water found in any level and at any condition of weather. (iii) A penality of Rs .25% of quoted rate per each Job will be charged if not completed in given time from the date of handing over of site. (iv) The quoted rate will be including cutting &removal of grass, bushes, weeds upto a distance of 5mtr from the outer edge around the over head tank.

All as per Ser item No 14.00 but over head Tank 01 lakh gallons capacity complete all as specified and directed.

All as per Ser item No 14.00 but over head Tank 50000 gallons capacity complete all as specified and directed.

All as per Ser item No 14.00 but over head Tank 25000 gallons capacity complete all as specified and directed.

Cleaning of underground sump of capacity 2.0 lakhs Gallons by taking out sludge i.e mud, silt and sand including weeds (the depth of mud silt mixed approx 60 cm) and including dewatering water and disposal of the same to a distance 50 mtr, scrapping of internal surface of walls, floor with wire brush, broom, jute, applying one coat of lime wash, painting of existing cast iron pipe and Sluice valves with one coat of synthetic enamel black paint, including painting with two coats of synthetic enamel paint on existing board/wall with blue paint of size 60x60 cm and writing the letters with white paint height of the each letter not less than 50mm incl writing the following information (a) Capacity (b) Location (c) Date of cleaning (d) date of next cleaning complete all as specified and directed. Note for Item Nos.17,18,19,20 & 21 :- (i) It will be responsibility of the contractor to take out the water by electric submercible sludge pumps alongwith suitable cable for motor and electricity provision up to inside of underground Sump. (ii) The entire job should be completed with in 8 hours from the handing over site including scraping, brushing the internal surface of wall and bottom floor, cleaning, removing the complete accumulated silt sludge and washing internal surface of tank incl bottom with water, internally applying one coat of lime wash, water found in any level and at any condition of weather. (iii) A penality/fine beyond 8 hours and up to completion @ 2 % per hour of the quoted rate each Job will be charged if not completed in given time from handing over of site. (iv) The quoted rate will be including cutting &removal of grass, Kikar trees,bushes, weeds upto a distance of 5mtr from the outer edge around the tank.

All as per Ser item No 18.00 but capacity 100000 Gallons complete all as specified and directed complete all as specified and directed.

All as per Ser item No 18.00 but capacity 50000 Gallons complete all as specified and directed.

All as per Ser item No 18.00 but capacity 25000 Gallons complete all as specified and directed.

All as per Ser item No 18.00 but capacity 20000 Gallons complete all as specified and directed.

Site clearance in soft/loose soil, Grubbing up Kikar tree trunk including cutting of trunk portion protruding over ground, bushes, wild grass growth, sarkanda etc, digging out roots, filling holes and leveling off ground, stacking of serviceable material and removing of unserviceable material by JCB machine to a distance n exc. 50 m and clearing site and depositing where complete all as specified and directed. Note :- During removal of the trees/bushes etc the holes made during uprooting shall be made good level with the existing ground surface to the entire.

Taking out layers of filter material from filter beds complete with silt and mud and depositing at a distance not exceeding 50mtr all as directed including spreading and leveling (different materials to be segregated and deposited separately) complete all as specified and directed..

Taking out filter gravels from filter beds complete with mud and silt, stacking at site, washing using water jets and concentrated hydrochloric acid and segregating using sieves of different size i.e. 50 to 25mm, 25 to 15mm, 15 to 6.5mm and 6.5 to 4.75mm complete for reuse including removal of under size gravel /mud at distance not exceeding 50 mtr complete all as specified and directed.

Supplying, laying and packing the fresh stone gravel of size 50mm to 25mm of quartz or quartzite quality in the filter beds to the required thickness after proper washing of natural stone gravel complete all as specified and directed.

All as per item No 26.00 but size of gravel 25 to 15mm complete all as specified and directed.

All as per item No.26.00 but size of gravel 15 to 6.5mm complete all as specified and directed.

All as per item No.26.00 but size of gravel 6.5 to 4.75mm complete all as specified and directed.

Supply and filling the fresh filtered fine sand quartz or quartzite in layers of coarse and fine sand in the filter beds to the required thickness after proper washing the sand complete all as specified and directed (Old/retrieved sand shall not be reused.) complete all as specified and directed.

Laying and repacking only stone gravel of size 50 to 25mm as obtained from Srl Item No 25.00 above in filters beds to the required thickness after proper washing complete all as specified and directed.

All as per item No 31.00 but size of gravel 25 to 15mm complete all as specified and directed.

All as per item No.31.00 but size of gravel 15 to 6.5mm complete all as specified and directed.

All as per item No 31.00 but size of gravel 6.5 to 4.75mm complete all as specified and directed.

Pumping out raw sewage water using diesel engine driven pump sets of suitable capacity for (removal of sludge & silt) of the primary oxidation pond of size 100mx50mx2.7m depth of central sewage system at embankment slope of 1:1000 including blocking of flow of sewage to the pond to be cleaned by diverting the flow to other pond to keep the system operative during executing the job on another and pumping out & disposing the same at a distance up to 500 mtr through proper pipe line and/or closed tanker etc complete all as specified and directed. Note :- (i) Removal and desludging will be measured and paid under srl item No 3.00 here-in-after. (ii) Deisel engine pump & other T&P including fuel will be arranged by contractor under his own arrangements.

All as per item No 35.00 but from the secondary oxidation ponds of size 100mX50mX2.7m depth of central sewage system at embankment slope of 1:1000 complete all as specified and directed. Note :- (i) Removal and desludging will be measured and paid under srl item No 4.00 here-in-after. (ii) Deisel engine pump & other T&P including fuel will be arranged by contractor under his own arrangements.

Cleaning cum desludging of raw sewage from primary oxidatioin pond of size 100mX50mX2.7m depth at a embankment slope of 1:1000 by removing deposited sludge and silt completely with using suitable pumps, scrapers, wire brushes manually and necessary T&P from the bottom of the oxidation pond (approx depth of the silt from the bottom of the pond 1.2m) by scrapping out deposit sludge etc of ponds by Manually/mechanically & cleaning with clear water, removing and depositing the sludge & silt to a distance not exceeding 08 kms from the oxidation ponds by covered trolley ensuring that the sludge does not spoil on the road surface and cleaning the area around the pond up to a distance of 15m periphery including removal/cutting up routing of wild vegitation / bushes or shurb etc around the pond not and removing the same exceeding 500m complete all as specified and directed.

All as per item No 37.00 but from the secondary oxidation pond of size 100mX50mX2.7m depth at a embankment slope of 1:1000 by removing sludge & silt completely with suitable pumps, manpowers & necessary T&P from the bottom of secondary pond (approx depth of the silt from the bottom of the pond 0.5m) complete all as specified and directed.

Pumping out raw sewage water using pump sets diesel engine driven from sewage plant installation for cleaning (removal of sludge and silt) of the installation including blocking flow of sewage from nearby manhole etc till the each individual job is completed against item Sl. No. 40.00 to 50.00 of this schedule, for 08 (Eight ) hours per day minimum and disposal of the same through proper pipelines to a distance not less than 150 mtr from the installation complete all as specified and directed for following installations :- Notes :- (i) Removal and desludging will be measured and paid under srl item No 39.01 to 39.11 here-in- after. The desludging/de-watering shall be done one time only in the interval of minimum 06 months, if pumping required at site more than one time will be done by prior written approval of GE. (ii) Deisel engine pump & other T & P including fuel will be arranged by contractor under his own arrangements.

Under ground sewage sump well of size internal dia 6.20m and depth 6.30m (SW-01) complete all as specified and directed.

Under ground sewage sump well of size internal dia 6.20m and depth 6.30m (SW-06) complete all as specified and directed.

Under ground sewage sump well of size internal dia 6.20m and depth 8.33m (SW-05) complete all as specified and directed.

Under ground sewage sump well of size internal dia 8.40m and depth 9.10m (SW-02) complete all as specified and directed.

Under ground sewage sump well of size internal dia 8.40m and depth 7.20m (SW-03) complete all as specified and directed.

Under ground sewage sump well of size internal dia 8.40m and depth 7.20m. (SW-04) complete all as specified and directed.

Under ground sewage sump of size 2m x 5m x 6.88m deep.at STP 0.24 MLD complete all as specified and directed.

Under ground raw sewage water sump of size 3.5m x 5m x7.88m deep at STP 2.0 MLD complete all as specified and directed.

Under ground sewage sump well of size internal dia 1.20m and depth 4.50m (Eastern pocket MAP Officers Qtrs) complete all as specified and directed.

Chlorine contact tank in RCC Construction of size 6x4m and 2.50m depth (STP 2MLD) complete all as specified and directed.

Chlorine contact tank in RCC Construction of size 3x2m and 2.50m depth (STP 0.24MLD) complete all as specified and directed.

Cleaning and desludging of sewage sump well of size internal dia 6.20m and 6.30m deep from ground level by removing sludge and slit completely with suitable means(mechanical and/or manual) from the bottom of sewage sump by scrapping out deposit, sludge etc including the side walls of sewage sump well with the help of scraper, wire brush etc cleaning with clear water using pressure water jet. removing the sludge and silt and depositing where directed to a distance not exceeding 08 Kms from the sewage well by covered motor van/ tractor trolley ensuring that sludge does not spoil the roads. cleaning the area around the sewage sump not exceeding 2m on either side including cutting of bushes etc and cleaning the site complete (approx deposit of sludge/silt 0.95 mtr height) (SW-06) complete all as specified and directed.

All as per item No 51.00 but sewage sump well of size internal dia 6.20m and 8.33m deep and removing the sludge & silt and depositing where directed by Engineer-in-Charge to a distance not exceeding 5 Kms ( approx deposit of sludge/silt 0.85 mtr height) .(SW-05) complete all as specified and directed.

All as per item No 51.00 but sewage sump well of size internal dia 8.40m and 9.10m deep from ground level and removing the sludge & silt and depositing where directed to a distance not exceeding 07 Kms ( approx deposit of sludge/silt 0.95 mtr height) (SW-02) complete all as specified and directed.

All as per item No 51.00 but sewage sump well of size internal dia 8.40m and 7.20m deep from ground level and removing the sludge & silt and depositing where directed to a distance not exceeding 7 Kms ( approx deposit of sludge/silt 0.95 mtr height) (SW-03) complete all as specified and directed.

All as per item No 51.00 but sewage sump well of size internal dia 8.40m and 8.78m deep from ground level and removing the sludge & silt and depositing where directed to a distance not exceeding 3 Kms ( approx deposit of sludge/silt 0.90 mtr height) (SW-04) complete all as specified and directed.

All as per item No 51.00 but sewage sump well of size internal dia 6.20m and 6.30m deep from ground level and removing the sludge & silt and depositing where directed to a distance not exceeding 05 Kms ( approx deposit of sludge/silt 0.85 mtr height) (SW-01) complete all as specified and directed.

Cleaning of raw sewage sump well of size 2m x 5m x 6.88m deep of STP 0.24 MLD including inlet box, bar & screen, oil & grease trap by removing the sludge and silt completely with suitable pumps from the bottom of sewage sump (Approx deposit of sludge/silt 0.85 mtr height) by scrapping out deposit, sludge etc including the side walls of sewage sump with the help of scraper, wire brush etc removing and cleaning cleaning with clear water and depositing the sludge and silt to a distance not exceeding 08 Kms from the sewage well by covered motor van/ tractor trolley ensuring that sludge does not spoil the roads, cleaning the area around the sewage sump not exceeding 2m on either side including cutting of bushes etc and cleaning the site complete all as specified and directed.

All as per item No 57.00 but sewage sump of size 3.5m x 5m x 7.88m deep at sewage treatment plant 2.0 MLD including inlet box, bar screen, oil & grease trap, grit channel, distribution chamber and removing the sludge & silt and depositing where directed to a distance not exceeding 05 Kms from STP (Appx deposit of sludge 0.95 mtr height) complete all as specified and directed.

All as per item No 57.00 but sewage sump well of size internal dia 1.20m and 4.50m deep from ground level and removing the sludge & silt and depositing where complete all as specified and directed.to a distance not exceeding 06 Kms ( approx deposit of sludge 1.15 mtr height) (Eastern pocket MAP Officers Qtrs) (SW-07) complete all as specified and directed.

Cleaning and desludging of brick masonary efluent channel of sectional size 1.5m wide, 0.60m depth and 100 mtr length by removing sludge & silt manually (approx deposit 0.20m) and disposing up to a distance of 500m including removal/cutting and uprooting of wild vegitation shrub/bushes etc around the channel upto 3m distance bothside complete all as specified and directed.

M & L for preparing old painted steel or iron surfaces of any size by removing dust, rust with the help of sand paper and applying two coats of synthetic enamel paint on surfaces of existing Machineries such as Blowers, Pipe line( suction & Delivery) structure alongwith sluice valves, NRVs, Valve chamber covers, steel structure / over head channels at sewage sumps & STP installations etc complete all as specified and directed. Note :- Installed at sewage well No 1 to 07, STP- 0.24 MLD, 2 MLD connected items shall only be measured under this item.

M&L labour for surface excavation of Sludge drying Bed (at STP 2.0 MLD & 0.24 MLD) not exc 30cm depth and averaging 15cm depth and getting out in soft/loose soil including clearing away all grass and vegitation, shurbs, bushes, undergrowth roots and removing the rubbish to a distance not exc 50m and depositing where directed complete all as specified.

Supply and fixing in replacement for electrical actuator Butterfly valve of size 100mm bore, cast iron body, as per IS 13095 (ISI marked), heavy duty, including nuts, bolts, washer and neoprene rubber gasket joint complete all as specified and as directed.

Supply & fixing in replacement cast iron body sluice valve heavy duty class ‘PN-1.6’ of 150 mm bore, ISI marked with IS 14846, both flanged ends and drilled, with forged brass spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, complete, all as specified & directed.

S&F in replacement filter media for sludge drying bed Sand 2.5mm to 4.75mm including taking out existing filter media complete all as specified and directed

S&F in replacement filter media gravel of size 6.5mm to 15mm for sludge drying bed coarse type including taking out existing filter media complete all as specified and directed.

Supply, Laying, jointing and testing in replacement mild steel pipe 100 mm bore, heavy grade, ISI marked, with all fittings like sockets flanges, unions, bends, elbow etc laid in trenches or along wall and in floors etc including necessary welding and fabrication works,excavation and earth work complete all as specified and as directed.

Pumping out raw sewage water using diesel engine driven pump sets of suitable capacity for (removal of sludge & silt) of the oxidation pond of size 50mx 25mx2.7m depth of STP Bansipark and STP Tarapore at embankment slope of 1:1000 including to keep the system operative during executing the job and pumping out & disposing the same at a distance up to 500 mtr through proper pipe line and/or closed tanker etc complete all as directed. Note :- (i) Removal and desludging will be measured and paid under srl item No 25.00 here-in-after. (ii) Deisel engine pump & other T&P including fuel will be arranged by contractor under his own arrangements.

Pumping out raw sewage water using diesel engine driven pump sets of suitable capacity for (removal of sludge & silt) of the oxidation pond of size 30mx 20mx2.7m depth of STP Tarapore at embankment slope of 1:1000 including to keep the system operative during executing the job and pumping out & disposing the same at a distance up to 500 mtr through proper pipe line and/or closed tanker etc complete all as directed. Note :- (i) Removal and desludging will be measured and paid under srl item No 26.00 here-in-after. (ii) Deisel engine pump & other T&P including fuel will be arranged by contractor under his own arrangements.

Cleaning cum desludging of raw sewage from oxidatioin pond of size 50mX25mX2.7m depth at STP Bansi Park a embankment slope of 1:1000 by removing deposited sludge and silt completely with using suitable pumps, scrapers, wire brushes manually and necessary T&P from the bottom of the oxidation pond (approx depth of the silt from the bottom of the pond 1.2m) by scrapping out deposit sludge etc of ponds by Manually/mechanically & cleaning with clear water, removing and depositing the sludge & silt to a distance not exceeding 08 kms from the oxidation ponds by covered trolley ensuring that the sludge does not spoil on the road surface and cleaning the area around the pond up to a distance of 15m periphery including removal/cutting up routing of wild vegitation / bushes or shurb etc around the pond not and removing the same exceeding 500cm complete all as specified and directed.

All as per item No 70.00 but from the oxidation pond of size 30mX20mX2.7m depth at STP Tarapore a embankment slope of 1:1000 by removing sludge & silt completely with suitable pumps, manpowers & necessary T&P from the bottom of secondary pond (approx depth of the silt from the bottom of the pond 0.5m) complete all as specified and directed.

Site clearance in soft/loose soil, Grubbing up Kikar tree trunk including cutting of trunk portion protruding over ground, bushes, wild grass growth, sarkanda etc, digging out roots, filling holes and leveling off ground, stacking of serviceable material and removing of unserviceable material by JCB machine to a distance n exc. 50 m and clearing site and depositing where complete all as specified and directed. Note :- During removal of the trees/bushes etc the holes made during uprooting shall be made good level with the existing ground surface to the entire satisfaction of.

Supply, laying, jointing and testing cast iron pipe 100mm bore with flanged ends, including nuts, bolts, washer and neoprene rubber gasket jointcentrifugally cast class A, in any length for replacement of column pipes of non clog submersible pumps in under ground sewage sumps (vertical & horizontal pieces) and fixing with header, non return valves, sluice valves etc. laid on pillars as per existing including taking down old unserviceable pipe complete all as specified and directed.

All as per item No 73.00 above but 150mm bore CI pipe complete all as specified and directed.

Supply & fixing in replacement cast iron body NRV heavy duty class ‘PN-1.6’ of 150 mm bore, ISI marked with IS 14846, both flanged ends and drilled, with forged brass spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, complete, all as specified & directed.

Supply & fixing in replacement cast iron body sluice valve heavy duty class ‘PN-1.6’ of 100 mm bore, ISI marked with IS 14846, both flanged ends and drilled, with forged brass spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, complete, all as specified & directed.

Supply & fixing in replacement cast iron body NRV heavy duty class ‘PN-1.6’ of 100 mm bore, ISI marked with IS 14846, both flanged ends and drilled, with forged brass spindle, CI gate with brass ring, non rising type, cast iron wheel handle, cast iron cap, complete with 3mm thick neoprene rubber gasket joint and nuts, bolts (high tensile), washers etc, and testing, complete, all as specified & directed.

fauji electric works