Maint/Cleaning of Underground Sump, Sewage Plant, Overhead Tanks, Filtration Sump, RAW Water Sump alongwith connected Items at AF Stn Bhisiana

Amount

M&L for dewatering cleaning of underground treated water Sump of 2,00,000 Gallons capacity underground Sump using with high pressure water jet machine to remove all masses, algae, dirt and removal of dirty water / mud/muddy water along and disposal of the same to a safe distance as directed by Engr-in-Charge and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling with wire brush by applying bleaching powder and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled, muddy water from tank complete which dislodges the layers of dirt, funges struck on its surface and applying one coat of Anti-bacterial sterlization spray to walls, floors & ceiling external surfaces of reservoirs where applicable including of vegetation growth upto from tanks and its vicinity of 10mtr radius all as specified & directed. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sump as per Appx 'AA' periodicity. If he failed to clean within time frame, the payment will not be made to Contractor and the recovery will be made @ Rs. 700/- per day till completion of job. (iii) All the lighting and safety arrangement will pe provided by the contractor .

All as per item No. 1 above but 1,00,000 gallons capacity Over Head reservoir on 60 feet staging.

All as per item No. 1 above but 50,000 gallons capacity Over Head reservoir on 60 feet staging.

All as per item No. 1 above but 25,000 gallons capacity OverHead reservoir on 60 feet staging.

All as per item No. 1 above but 40,000 gallons capacity Undergound Sump reservoir.

M&L for dewatering of water up to bottom level and cleaning of reservoir/underground Sump of 1,00,000 Gallons capacity underground Sump (Level tank) with high pressure water jet to remove all masses, sludge, muddy water, algae,dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance minimum 100 mtr away from Sump as directed and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling with wire brush by applying bleaching powder and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled, muddy water from tank complete which dislodges the layers of dirt, funges struck on its surface and applying one coat of Anti-bacterial sterlization spray to walls, floors & ceiling external surfaces of reservoirs & UG Sumps where applicable including of vegetation growth upto from tanks and its writting the capacity and date of cleaning with white paint over black painted surface vicinity of 10mtr radius all as specified & directed. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sump as per Appx 'AA' periodicity. If he failed to clean within time frame, the payment will not be made to Contractor and the recovery will be made @ Rs. 700/- per day till completion of job. (iii) All the lighting and safety arrangement will pe provided by the contractor .

M&L for Pumping out the water from raw water tank of size 80mx80mx17 feet of water capacity 50,00,000 gallon to another tank upto top of mud sludge/contaminated muddy water with the help of eletric motor & Pump Set upto entire satisfaction of Engineer-in-Charge. Note : Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account.

M&L for dewatering cleaning of reservoir 50,00,000 Gallons capacity with high pressure water jet to remove all masses, algae, dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance, (minimum distance 200 mtr away from reservior bouindary). The surface of wall/ bottom of reservior will be clean with wire brush by applying bleaching powder and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled water up to satisfaction of Engr-in-Charge complete. The cost deemed to be included one coat of weather proof white cement paint on surface of walls of reservior and bottom of tanks. The writting the capacity and date of cleaning with white paint over black painted surface in all respect and as specified and directed and including scrubbing of internal surfaces and cleaning of walls, floors which dislodges the layers of dirt, funges struck on its surface and applying Anti-bacterial sterlization spray to walls, floors external surfaces of reservoirs with the help of eletric motor & Pump Set upto entire satisfaction of Engineer-in-Charge. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (iii) The contractor will be deployed additional man power to clean the sump within 10 day Maximum. If he failed to clean the sump within 10 days, the payment will not be made to Contractor and the recovery will be made @ Rs. 700/- per day till completion of job. (iv) All the lighting and safety arrangement will pe provided by the contractor.

M&L for cleaning and desludging of fluculator cum sedimentation tank of 14.60 Mtr dia and 3mtr height including drain out of water from the tank to sludge cell and removing of sand/mud and sediment of alum from the bottom portion of the tank (1.70 metre depth) and taken out the sludge/mud from the tank with high pressure water jet to remove all masses, algae, dirt and removal of dirt with wire brush by applying bleaching powder and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled, muddy water from tank complete water along with sludge using sludge machine and disposal of the same to a safe distance as directed. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sump as per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to Contractor and the recovery will be made @ Rs. 700/- per day till completion of job.

M&L for Cleaning and desludging of sludge tank of size 11mx9mx3 mtr including pumping out the muddy water from the tank and removing of inludge/mud from the bottom portion of the tank (1.10 Mtr depth) with high pressure water jet to remove all masses, algae, dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance as directed and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling which dislodges the layers of dirt, funges struck on its surface and applying one coat of Anti-bacterial sterlization spray to walls, floors & ceiling external surfaces of reservoirs complete all as specified by Engineer-in-Charge. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sump as per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to Contractor and the recovery will be made @ Rs. 700/- per day till completion of job.

M&L for Pumping out sewage water/sludge from the sewage sump No 02, size of UG sump 10 mtr depth and 09 mtr dia of sump UG and deliver to oxidation pond upto level (2 meter) of mud sludge/sewage debris and taking out sludge in liquid or in solid contents from the sewage sump to up to depth of 10 mtr mechanially using with high pressure sludge cutter machine or any other equipment required to clean and remove all masses, algae, dirt / hard sludge / mud and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling which dislodges the layers of dirt, funges struck on its surface and applying Anti-bacterial sterlization spray to walls, floors & ceiling and disposal of removed sludge out side the defence land in closed containers including two coats of white wash with bleaching powder on walls of sump and writing date of cleaning complete all as specified and directed by Engr-in-Charge. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. The rate shall included taking out debries and solid sludge from site and deposited 1.5 km away from site. Transportation cost is also included. (ii) The contractor will be deployed additional man power and plant and machinery to clean the sump as per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to Contractor and recovery @ Rs. 700/- per day till completion of Job. (iii) The rate shall be included temporary arrangemnent of storage tank of sludge/sewage during cleaning of or making of by pass arrangement of sludge from Sewage sump No 02 to oxidation ponds, Sewage pipe cutting and maiking by pass pumping arrangement etc during cleaning of UG sump or excavation removal returning required to install temporary sludge storage tank at site for cleaning period nothing will be paid extra. (iv) All the lighting and safety arrangement will pe provided by the contractor. No Manually cleaning will be allowed. The sump will be cleaned as per Appx 'AA' periodicity.

M&L for Pumping out sewage water/sludge from the sewage sump No 01 of size 09 mtr depth and 08 mtr dia of sump UG and deliver to oxidation pond upto level (2 meter) of mud sludge/sewage debris and taking out sludge in liquid or in solid contents from the sewage sump to any 09 mtr machinally or using with high pressure sludge cutter machine or water jet machine to remove all masses, algae, dirt and removal of dirty water along with sludge using sludge machine and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling which dislodges the layers of dirt, funges struck on its surface and applying Anti-bacterial sterlization spray to walls, floors & ceiling and disposal of removed sludge out side the defence land in closed containers including two coats of white wash with bleaching powder on walls of sump and writing date of cleaning complete all as specified and directed by Engr-in-Charge Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. The rate shall included taking out debries and solid sludge from site and deposited 1.5 km away from side, Transportation cost is also included. (ii) The contractor will be deployed additional man power and plant and machinery to clean the sump as per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- per day will be made till completion of Job. (iii) The rate shall be included temporary arrangemnent of storage tank of sludge during cleaning of or making of by pass arrangement of sludge from 01 Sewage pump to 02 Sewage sump and same from Sewage pump 02 to oxidation ponds, Sewage pipe cutting and maiking by pass pumping arrangement etc during cleaning of UG sump or excavation removal returning required to install temporary sludge storage tank for cleaning period nothing will be paid extra. (iv) All the lighting and safety arrangement will pe provided by the contractor.

M&L Cleaning bed by wire brush on floor wall sides, channel of the empty filter bed Air hole with high pressure water jet to remove all masses, algae, dirt and removal of dirty water and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling which dislodges the layers of dirt, funges struck on its surface and connecting pipe to make bed free from floor vegetation on the same bed filter compartment of size 4.0mx 4.0m x3.0m and disnfecting by disinfecting material etc complete all as specified by Engineer-in-Charge. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sumps per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- will be done till completion of Job.

M&L for cleaning and desludging of waste water storage / sludge tank of 10,00,000 gallon including pumping out the muddy water from the tank and removing of inludge/mud from the bottom portion of the tank to remove all masses, algae, dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance as directed and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling which dislodges the layers of dirt, funges struck on its surface and applying one coat of Anti-bacterial sterlization spray to walls, floors & ceiling external surfaces of reservoirs complete all as specified by Engineer-in-Charge. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sumps per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- will be done till completion of Job.

M&L for cleaning to back wash line in side the filter bed externally by scraping and by cleaning the air holes by drill machine/Air blower and making the pipe valley cleaned and functional & applying two coats of synthetic enamel paint on the metal pipes including preparation of surface etc complete all as specified by Engr-in-Charge.

M&L for dewatering cleaning of underground (old) treated water Sump of 1,50,000 Gallons capacity underground Sump using with high pressure water jet machine to remove all masses, algae, dirt and removal of dirty water / mud/muddy water along and disposal of the same to a safe distance as directed by Engr-in-Charge and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling with wire brush by applying bleaching powder and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled, muddy water from tank complete which dislodges the layers of dirt, funges struck on its surface and applying one coat of Anti-bacterial sterlization spray to walls, floors & ceiling external surfaces of reservoirs where applicable including of vegetation growth upto from tanks and its vicinity of 10mtr radius all as specified & directed. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sumps per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- will be done till completion of Job. (iii) All the lighting and safety arrangement will pe provided by the contractor.

M&L for cleaning and desludging of backwash tank on over bldg of size 11mx3mx1.5 m including pumping out the muddy water from the tank and removing of inludge/mud from the bottom portion of the tank with high pressure water jet to remove all masses, algae, dirt and removal of dirty water along with mud/sand using pressure jet machine and disposal of the same to a safe distance as directed and including scrubbing of internal surfaces and cleaning of walls, floors & ceiling which dislodges the layers of dirt, funges struck on its surface and applying one coat of Anti-bacterial sterlization spray to walls, floors & ceiling external surfaces of reservoirs complete all as specified by Engineer-in-Charge. Note : (i) Rate shall be inclusive for all T&P/material required for dewatering and nothing will be paid extra on this account. (ii) The contractor will be deployed additional man power to clean the sumps per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- will be done till completion of Job.

M&L for Desilting of cleaning of raw water channel from compound wall to raw water tank No.4 manually lifting mud/sludge from the bottom surface of the channel and cleaning the side walls (inside) with help of wire brush, by applying bleaching powder on wall / surface and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled water and clean bottom and side of wall chanel with fresh water, and including cutting grass, bushes both sides of the channel up to two metre each side from centre of the channel up to entire satisfaction of Engineer-in-Charge and depositing the same minimum distance100 mtr away from site where as directed including minor repair to channel and leveling of surface both side of the channel complete all as specified and directed. Note : (i) The water will not provide by the department for cleaning of channel, It is own arrangement by the contractor. (ii) The contractor will be deployed additional man power to clean the Channel as per Appx 'AA' periodicity. If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- per day will be made till completion of Job. (iii) The Contractor shal arrange of 01mtr x 01 mtr x 01 mtr iron frame (measuring unit) and show the measurement at site to Rep of GE for removing of all mud/sludge and then take load in trolly/truck by manually, then take away from site.

M&L for Desilting of cleaning of raw water channel from Canal to Air Force Boundary wall manually lifting mud/sludge from the bottom surface of the channel and cleaning the side walls (inside) with help of wire brush, by applying bleaching powder and fresh water and clean entire surface repeatedly with fresh water and pumping out soiled water and clean bottom and side of wall chanel with fresh water, and including cutting grass, bushes both sides of the channel up to two metre each side from centre of the channel up to entire satisfaction of Engineer-in-Charge and depositing the same minimum distance 1500 mtr away from site where as directed including minor repair to channel and leveling of surface both side of the channel complete all as specified and directed. Note : (i) The water will not provide by the department for cleaning of channel, It is own arrangement by the contractor. (ii) The contractor will be deployed additional man power to clean the Channel as per Appx 'AA' periodicity, If he failed to clean in given time period, the payment will not be made to contractor and recovery @ Rs. 700/- per day will be made till completion of Job. (iii) The Contractor shal arrange of 01mtr x 01 mtr x 01 mtr iron frame (measuring unit) and show the measurement at site to Rep of GE for removing of all mud/sludge and then take load in trolly/truck by manually without distrubing farmer's crops/asset, then take away from site.

M&L for Demolition of brick work built in cement mortar complete and and transport from site using tipper or trolly / manually and fill/lay low laying area at required in Air Force Station or as directed by Engr-in-Charge.

M&L for Brick work with sub class 'B' old size bricks, straight or curved on plan exceeding 6 mtr mean radius built in CM 1:4 complete in surface channel etc all as specified and directe Engr-in-Charge.

M&L for Cement concrete in surface channel and drains type B-2, 1:2:4, 40mm graded aggregate including demolishing the broken cement concrete and removing all waste material genarating during cement work and deposit 1.5 KM away from site by manually without disturbing of farmer's crops complete all as specified and directed by Engineer-in-Charge.

M&L for Cement plaster 1:4 rendering 10mm thick on fair faces of brick work or concrete surfaces and or deduct to/form the rates for each 5mm thickness over or under 10mm thick all as specified and directed by Engr-in-Charge.

M&L for fabrication for temporary shader of flate plate and fix framed work such as grills, gratings etc, with ends of bars shoulderd and / or riveted or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railing, framework of water tanks , Bar protection of bolard light and similar work conforming to FE 290 GDE E-165 all as specified and directed by Engr-in-charge.

Taking out unservicable cable of size 1.5 sqmm and Supply flexible cable 1.5 sqmm 3 core PVC insulated and sheathed submersible type with stranded copper conductor (for Light).

Supply, install, testing and commissioning of level dosing pump/injector Model No. VDP-1217 or Aquafit/Supreme/Earth Water techonology or equivalent max pressure 12kg/cm square and max flow rate 17 ltr/Hr including all accessories such as Lead tubing, Connecting Ferrules, Check valves all as directed. The cost shall be included suitable foundation/stand to installation of dosing pump on treated water sump.

Preperation tank Aquafit/Supreme/Earth water techonology or equivalent Model No VST 1005 or equivalent of net capacity FRP dosing tank dia 650mm x net hight 375mm + Conical 300mm. Gross height with stand 1000 mm consisting of following. Note : The cost shall be included suitable foundation / stand to installation of dosing preparation tank on treated water sump, Water inlet line, OUtlet with 'Y' Strainer, Drain Pipe/Over Flor Pipe, Connecting Bottom for sludge deposition, Pot Hole Cover, Agitator 120 Watt, 900 RPM single phase flage mounted motor with shaft and impeller, Water inlet line, Outer with Strainer, Drain Pipe/Over Flow Pipe.

Service tank Aquafit/Supreme/Earth water techonology or Model (No VST 1006 or equivalent) of net capacity 100 ltr of FRP dosing tank top dia 540 mmx bottom dia 480 mm x height 575 mm consisting of. The cost shall be included suitable foundation/stand to installation of dosing service tank on treated water sump, Water Inlet Line, Outlet with 'Y' Strainer, Drain Pipe/Over Flow Pipe, Agitator 120 Watt, 900 RPM single phase flange mounted motor with plastic shaft and impeller, Provision of mounting pump on lid/Wall/Agitator/Impeller with accessories Mode No. HSN-Code 84798200 or equivalent including all accessories.

M&L for point wiring (concealed) on wall complete with FR PVC insulated unsheathed 1100 Volts grade, conforming to IS-694, 2.5 sq mm (nominal area) multi stranded copper conductor cable drawn though in and including non metallic heavy grade rigid PVC conduit accessories, ISI marked, 19/20 mm dia including all accessories, concealed in walls/floors/ceilings etc by cutting chases using machine and making good the disturbed surface, with and including suitable modular boxes,modular switch plates and 1.5 sq mm copper earth continuity wire connected to earth dolly complete for the following complete all as specified and as directed by Engr-in-Charge.

S&F socket modular type 16 Amps, 3 pin combine, 2 module, 240 volts all as specified and as directed by Engr-in-Charge.

S&F switch modular type 16 Amps, 1 module, 240 volts all as specified and as directed by Engr-in-Charge.

Taking out old U/S and Supply and fix CI body Sluice valve PN 1.6 conforming to IS of size 150 dia complete with nuts, bolts, rubber gaskets etc including, ISI marked, including jointing material such as rubber gasket, bolts, nuts, etc suitable for size 150 mm all as specified and as directed by Engr-in-Charge.

Taking out old U/S and Supply and fix CI body Sluice valve PN 1.6 conforming to IS of size 100 dia complete with nuts, bolts, rubber gaskets etc including, ISI marked, including jointing material such as rubber gasket, bolts, nuts, etc suitable for size 100 mm all as specified and as directed by Engr-in-Charge.

Taking out old U/S and Supply and fix CI body Sluice valve PN 1.6 conforming to IS of size 80 dia complete with nuts, bolts, rubber gaskets etc including, ISI marked, including jointing material such as rubber gasket, bolts, nuts, etc suitable for size 80 mm all as specified and as directed by Engr-in-Charge.

Taking out old U/S and Supply and fix CI body Sluice valve PN 1.6 conforming to IS of size 50 dia complete with nuts, bolts, rubber gaskets etc including, ISI marked, including jointing material such as rubber gasket, bolts, nuts, etc suitable for size 50 mm all as specified and as directed by Engr-in-Charge.

Taking out old U/S and Supply and fix CI body NRV valve conforming to IS of size 150 dia complete with nuts, bolts, rubber gaskets etc including, ISI marked, including jointing material such as rubber gasket, bolts, nuts, etc suitable for size all as specified and as directed by Engr-in-Charge.

Taking out old U/S and Supply and fix CI body NRV valve conforming to IS of size 50 dia complete with nuts, bolts, rubber gaskets etc including, ISI marked, including jointing material such as rubber gasket, bolts, nuts, etc suitable for size all as specified and as directed by Engr-in-Charge.

Earthing complete with GI earth plates electrode 600x600x6mm thick burried directly in ground earth pit not less than 2.25 mtr deep below ground level surrounded with adequate quantity of charcoal dust mixed with salts to a packet thickness of 15 cm all around the plate,using GI earth strip 32x6mm connected to earth plate by means of nut , bolts and washers as directed GI pipe light grade 50mm bore on water pipe from earth chamber to copper edge of earth plate, CI funnel with wiremesh fixed on water pipe and PCC 1:2:4 type B-1 using 20mm graded stone aggregate as in pit chamber and RCC pitcover 50mm thick pre-cost RCC 1:2:4 type B-1 dully rainforced with MS bars 6mm dia @150 cc both ways with 10mm dia MS bar in lifting handle excavation earth work including laying of GI pipe in walls etc all as directed in electrical plate No 3 of SSR Part-I complete all as specified and directed.

Taking down U/S and S&F butter fly valve 150 mm dia PN 1.6 (Lever operate, including nut, bolt, gasket etc). The contractoe visit the site before quoting of tender, the valve suitable for incorporation of existing pipe and place.

Taking down U/S and S&F butter fly valve 100 mm dia PN 1.6 (Lever operate, including nut, bolt, gasket etc). The contractoe visit the site before quoting of tender, the valve suitable for incorporation of existing pipe and place.

Supply and pore in sump/dosing machine only Non Ferric alum apperance white Crystals clear type (transparent) superior grade menimum weight of 01 block 10 kg and maximum 25 kg each all as specified and as directed. Note: The sample availabel as AGE E/M office. Mixing and dosing will be in contractor scope including making liquid form and fill in dosing tank/sump as regular or daily basis at two time (0500hr to 0800 & 1500hrs to 1800hrs) per day.

M&L for Disconnected/dismantling of float assembly from raw water tank Nos 1, 2, 3 & 4 complete with CI bend 250mm from sluice valve along with old rusted float cylinder etc and supply and fixing new assembly comprising of the following complete all as specified. (i) Cylinder of size 4 metre dia and 1.2 metre long made out of 2mm thick PBI sheet, cylinder made with water proof welding joints including testing the water leakage upto entire satisfaction of Engineer-in-Charge and making the existing arrangment as per manufacturer's instruction. (ii) Float of size 0.65 metre dia at bigger end and 0.25 metre dia at smaller end, 3.5 metre long made out of 2mm thick PBI sheet, float made with water proof welding joints including testing the water leakage upto entire satisfaction of Engineer-in-Charge.

M&L for Water level indicator made out of aluminium channel of size 75mm (for lugsi and aluminium plain sheet of 1.25mm thick) fixed on a aluminium channel by suitable size of nut, bolts and washers including necessary welding work etc including two coats of painting (white and water proof) and marking the water level in "feet" with red colour paint including necessary earth work and PCC foundation for fixing of aluminium channel including taking down old indicator complete all as specified and directed by Engr-in-Charge.

M&L for Scraping out silt algae, vegetation from sloping side walls (brick pointing type) of raw water tanks by using broom, steel wire brush and washing the side walls with bleaching powder solution etc complete all as specified and directed by Engr-in-Charge.

Taking out and cutting of grass upto 2.0 mtr length small trees with routs, bushes, hedges etc including leveling inside the railing and on all sides of raw water tank/underground sump/overhead reservoir including wriping/scrubbing the surface of walls and bottom of the tank by brush for the removal of salt deposit/fungus grass/water born greens/bushes and any other vegetation upto complete entire satisfaction of Engineer-in-Charge and deposting the same at a distance outside MD land complete all as directed. Note : The cost shall be included removing/of grass, bushes with route below 30 cm under ground and re-filling again and making smooth surface.

Taking out and cutting of grass up to 0.8 mtr length small trees with roots, bushes, hedges etc including leveling inside the railing and on all sides of raw water tank/underground sump/overhead reservoir including wriping/scrubbing the surface of walls and bottom of the tank by brush for the removal of salt deposit/fungus grass/water born greens/bushes and any other vegetation upto complete entire satisfaction of Engineer-in-Charge and deposting the same at a distance outside MD land complete all as directed. Note : The cost shall be included removing/of grass, bushes with route below 30 cm under ground and re-filling again and making smooth surface.

M&L for Preparation of old painted surface of focculator and all machineries installed at filtration plant ie. motors, panel, grills, railings etc. brooming down, scrubbing with steel wire brush, scrapping painted surfaces and applying two coat of synthetic enamel paint (grey) etc complete all as specified and as directed.

M&L for Preparation of old surfaces of fluculator tank, sludge cell and filter bed by brooming down, scrubbing with steel wire brush, scrapping distempered and painted surfaces & applying two coats of white wash with DDL etc complete all as specified and as directed.

M&L for taking out the old/unserviceable filter media gravel of any size from beds and deposting the same not more than 150mtr away from filter bed etc and washing the same by water stream and wire brush upto desired level and refilling the same including cleaning and scrubing the all walls with wire brush and white washing the same with potassium permagnate complete all as specified and directed by Engr-in-Charge. The fillter media will be remove in the plant as per Appx 'A' periodicity. Note : If the Contractor failed to clean in given time period, the payment will not be made to contractor and the recovery will be made @ Rs. 700/- per day till completion of Job.

Supply and filling layer of fine sand and coarse sand in filter media in filter bed grade size 1mm to 1.5mm (as per sample) the depth of sand media varies between 60cm to 80cm very fine and 1 mm accumulated at top of the filter and coarse sand 1.5mm grade below the fine sand etc complete all as specified and directed by Engineer-in-Charge. Note : The fillter media fill in the plant as per Appx 'AA' periodicity. If he failed to fill in given time period, the payment will not be made to contractor and the recovery will be made @ Rs. 700/- per day till completion of Job.

All as per item No. 50 here-in-before but intermediate 2nd layer of gravel graded size 12mm to 20mm.

All as per item No. 50 here-in-before but intermediate 3rd layer of gravel graded size 6mm to 12mm.

All as per item No. 50 here-in-before but intermediate 4th layer of gravel graded size 1mm to 6mm.

S&F in replacement Precast reinforced cemented concrete Slab/cover grade B-1 (1:2:4) of each size 140cm x 45cm x 8cm thick set in cement mortar 1:4 including form work, using reinforcement TMT bars 10mm dia cut to length, bend to shape required as per IS code 456:2000 including two 12mm dia hook of MS bar Placed at suitable distance from both end all as specified and directed.

M&L for taking down cement or cement lime plaster any description from brick wall/brick stone wall/concrete etc including racking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed by Engr-in-Charge.

GUPTA AND ENGINEERS

Shri Sai Enterprises

M/s Vee Kay Associates

M/s Luxmi Constructions

M/s BHUPINDRA ENGINEERING WORKS