REPAIR MAINT CLEANING OF SEMI UG SUMPS UG SUMPS OH TANKS SERVICE TANKS INCLUDING REPLACEMENT OF UNSERVICEABLE FLOAT VALVES FOOT VALVES MS COVERS OF VALVE CHAMBERS ETC INCLUDING ALLIED WORKS UNDER GE DSSC WELLINGTON

Amount

Testing of Water samples for Bacteriological analysis, Physical & Chemical analysis from any Govt. approved / NABL accredited Laboratory as approved by the GE/Engr-in-Charge. NOTE : The cost of collection of sterilized bottles, collection of water samples from water sources as directed by GE/Engr-in-Charge, depositing to laboratory and submitting the test results duly signed & certified to the Engr-in-Charge complete is deemed to be included in the unit quoted rates.

Supply only Non Ferric Alum complete all as specified and as directed. Make : RMCO or techno-commercially equivalent.

Supply only Grade-1 Bleaching powder in 25 Kg bags complete all as specified and as directed. Make : RMCO or techno-commercially equivalent.

Supply only Poly Aluminium Chloride (PAC) complete all as specified and as directed. Make : RMCO or techno-commercially equivalent.

Note for Item Nos 2 to 4 : (i) Non Ferric Alum, Bleaching Powder and PAC is to be purchased by the Contr in lots/batches as per the requirement of the Dept (MES). (ii) Tax Invoice & Original manufacturer test certificates duly signed & certified by the Manufacturer/Auth Dealer/Distributor is to be submitted by the Contr to the Engr-in-Charge.

Supply only Calcium based high strength chlorine granule (60 to 65%) for Chlorination /Disinfection /Water treatment purposes packed in 45 Kg drums complete all as specified and as directed. Make : PURICHLOR (Aquafit) or techno-commercially equivalent as approved by E-in-C's Branch. Note: (i) Calcium Based Granular Disinfectant is to be purchased either directly from Manufacturer/Auth Dealer/Distributor only. (ii) Tax Invoice & Original manufacturer test certificates duly signed & certified by the Manufacturer/Auth Dealer/Distributor is to be submitted by the Contractor to the Engr-in-Charge. (iii) Calcium Based Granular Disinfectant is to be purchased by the Contr in such a manner that either atleast 1 year of residual life is there on receipt of the material or the required qty of materials is to be purchased/ordered in lots as per the requirement of the Dept (MES).

Supply only OT Solution in 500 ml capacity bottles complete all as specified and as directed. Make : RMCO or techno-commercially equivalent.

M & L for repair/servicing of electronic water level indicators including provision/replacement of unsv power cables, sensor and other minor spares/accessories etc. at Filter House (UG sumps/OH tanks) complete all as specified and as directed.

M & L for cutting grass, bushes, creepers, weeds, unwanted plants/growths etc in and around water supply installations, settling tanks, weirs, check dams or any other locations as decided by Engr-In-Charge/GE and removing rubbish off the premises complete all as specified and to the entire satisfaction of the Engr-in-Charge.

M & L for construction of brick masonry valve pit of internal dimensions 1200 mm x 1200 mm x 1200 mm with 230mm thick brick walls in CM 1:6 with external and internal plastering in CM 1:6 foundation bed in cement concrete 1:3:6 100mm thick complete and fabrication of 4.0 mm thick MS Sheet cover and angle iron frame made out of 40mm x 40mm x 6 mm MS angle iron and one side provided with hinge with locking arrangement & duly painted with two coats of black bituminous paint over a coat of red oxide primer including necessary earth work and PCC work complete all as specified and as directed.

M & L for construction of brick masonry valve pit of internal dimensions 900 mm x 900 mm x 900 mm with 230mm thick brick walls in CM 1:6 with external and internal plastering in CM 1:6 foundation bed in cement concrete 1:3:6 100mm thick complete and fabrication of 4.0 mm thick MS Sheet cover and angle iron frame made out of 40mm x 40mm x 6 mm MS angle iron and one side provided with hinge with locking arrangement & duly painted with two coats of black bituminous paint over a coat of red oxide primer including necessary earth work and PCC work complete all as specified and as directed.

M & L for applying two coats of synthetic enamel paint over a coat of red oxide primer after preparation of surfaces of pipe lines any type/size on surface/floors with in the pump house/installation premises etc. for sizes upto & including 250 mm bore complete all as specified and as directed. (Length includes running connecting fittings such as bends, tees, crosses etc.) Note :(i) The colour coding of the pipes meant for different purposes/locations is to be got approved from the Engr-In-Charge before commencement of the work. (ii) Every care w.r.t. safety of the workers while preparation/painting of the pipe lines to & fro Over Head Tanks or other high mounting structures is to be taken & the Contr shall be responsible for the same. Safety belts, working tools, ladders, stagings etc. shall be provided by the Contr & the cost of the same is deemed to be included in the unit quoted rates.

M & L for cleaning mud/silts/sludge/unwanted materials/debris from weirs/collection/settling tanks at Range source location(s), Bandami source location(s) and Golf source location(s) from/at upto & including 3.0 mtrs depth and depositing/removing n.exc 50 mtr away from weirs/collection/settling tanks complete all as specified and to the entire satisfaction of the Engr-in-Charge.

M & L for cleaning mud/silts/sludge/unwanted materials/debris from shallow well from/at upto & including 10.0 mtrs depth and depositing/removing n.exc 50 mtr away from shallow well complete all as specified and to the entire satisfaction of the Engr-in-Charge.

M & L for cleaning thoroughly internally RCC overhead tank of 30000 gallons capacity at Filter House location at 40 feet height/staging (maxm) at different locations by pumping out the accumulated water at the bottom using dewatering pump, removing the complete silt/sludge by suction process using either suction/vacuum pump, cleaning the walls, ceiling & floor using high pressure water jet to completely dislodge all the mud, dirt, algae, fungus & layers of calcinations, spraying anti-bacterial agent/food contact sanitizers to the walls, ceiling & floor of the tank to make it sterile & finally emitting UV rays in to the tank using UV radiator to take care of any further suspended bacteria etc. which might have remained in the tank & applying one coat of white wash to all surfaces of walls & ceiling & two coats of acrylic emulsion weather proof paint externally after preparation of the external surfaces. The steel surfaces such as vent pipes, inlet/outlet/wash-out pipes, ladders inside & outside of the tank shall be provided with two coats of anti-corrosive bituminous paint & writing the details of OH tank capacity, date of tank cleaning, next due date of tank cleaning on the tank wall with white paint over black base/background with height of the letters not less than 15 cms complete all as specified and to the entire satisfaction of the Engr-in-Charge.

Description all as per Item No 14 above but 40000 gallons capacity at DSSC Offrs Mess location.

Description all as per Item No 14 above but 250000 gallons capacity at Ooty (Break-Over tank).

M & L for cleaning thoroughly internally RCC semi underground water tank/sump of 10000 gallons capacity at GH PH location by pumping out the accumulated water at the bottom using dewatering pump, removing the complete silt/sludge by suction process using either suction/vacuum pump, cleaning the walls, ceiling & floor using high pressure water jet to completely dislodge all the mud, dirt, algae, fungus & layers of calcinations, spraying anti-bacterial agent/food contact sanitizers to the walls, ceiling & floor of the tank to make it sterile & finally emitting UV rays in to the tank using UV radiator to take care of any further suspended bacteria etc. which might have remained in the tank & applying one coat of white wash to all surfaces of walls & ceiling & two coats of acrylic emulsion weather proof paint externally after preparation of the external surfaces. The steel surfaces such as vent pipes, inlet/outlet/wash-out pipes, ladders inside & outside of the tank shall be provided with two coats of anti-corrosive bituminous paint & writing the details of Tank capacity, date of tank cleaning, next due date of tank cleaning on the tank wall with white paint over black base/background with height of the letters not less than 15 cms complete all as specified and to the entire satisfaction of the Engr-in-Charge.

Description all as per Item No 17 above but 15000 gallons capacity at GH PH location.

Description all as per Item No 17 above but 20000 gallons capacity at GH PH & DSSC O/Mess locations.

Description all as per Item No 17 above but 20000 gallons capacity Break-Pressure tanks at different locations enroute Ooty.

Description all as per Item No 17 above but 35000 gallons capacity at Filter House location.

Description all as per Item No 17 above but 40000 gallons capacity at GH PH location.

Description all as per Item No 17 above but 40000 gallons capacity Settling tanks at Filter House location.

Description all as per Item No 17 above 40000 gallons capacity open sedimentation tanks at Filter House location including complete painting of the grill/net steel structures with two coats of synthetic enamel paints after preparation of the surfaces complete all as specified and as directed.

Description all as per Item No 17 above but 50000 gallons capacity at GH/MAP/Annex Offrs Mess/Glenco/Golf PH locations.

Description all as per Item No 17 above but 100000 gallons capacity at Filter House location.

Description all as per Item No 17 above but 150000 gallons capacity at Filter House location.

Description all as per Item No 17 above but 200000 gallons capacity at Filter House location.

Description all as per Item No 17 above but 350000 gallons capacity at Filter House location.

Note for Item Nos 14 to 29 : (i) Every care w.r.t. safety of the workers during climbing, working inside water reservoirs is to be taken & the Contr shall be responsible for the same. (ii) Safety belts, working tools, ladders, stagings/scaffoldings etc. shall be provided by the Contr & the cost of the same is deemed to be included in the unit quoted rates. (iii) Quoted rate is deemed to be inclusive of minor repairs/plastering of internal surfaces of the tank required to make good the damaged edges/surfaces of the tank. (iv) The entire work of cleaning/disinfection/UVfication of the tanks is to be got performed from the pioneers in this field taking into consideration the human consumption aspect. Details/credentials of the firms/teams from whom the Contr wishes to get the work executed is to be submitted in advance for approval of the same. Decision of the Engr-in-Charge/GE in this regard shall be final & binding. (v) The Contractor is to submit in writing the tentative schedules/dates for cleaning/disinfection/UVfication of the tanks for approval of the same from Engr-in-Charge. There may be instances when the Dept won't be able to hand-over a particular tank for the subject work/job due to any reasons on the approved/scheduled dates. (vi) The silt/sludge is to be removed to a distance not less than 50 mtr away from the tank area. (vii) The complete work of cleaning/disinfection/UVfication of the tanks is to be carried out in the presence of the JE/MES rep & a register to this effect has to be maintained by the Contr wherein entries w.r.t. Date & Time of Start/Completion of the work/job shall be entered & duly signed by both the Contr/Rep & Dept Rep for payment purposes.

M & L for cleaning thoroughly internally RCC /PVC /HDPE Service tanks of capacity upto & including 1000 Ltrs at different locations by draining out the water by opening wash-out plug after removing the existing float valve from the inlet pipe, brushing the inside walls & bottom & removing all scales, dirts, sediments, silts etc. from the inside of the tank. Applying bleaching powder/spraying liquid chlorine to inside walls & bottom for disinfection complete including writing the date of tank cleaning, next due date of tank cleaning on the tank wall with white paint over black base/background with height of the letters not less than 10 cms complete all as specified and to the entire satisfaction of the Engr-in-Charge.

Description all as per Item No 31 above but RCC/PVC/HDPE Service tanks of capacity exceeding 1000 Ltrs & upto & including 2000 Ltrs.

Note for Item Nos 31 & 32 : (i) Every care w.r.t. safety of the workers during climbing, working inside RCC/PVC/HDPE Service water tanks is to be taken & the Contr shall be responsible for the same. (ii) Safety belts, working tools, ladders, stagings/scaffoldings etc. shall be provided by the Contr & the cost of the same is deemed to be included in the unit quoted rates (iii) Quoted rate is deemed to be inclusive of rectifying any damage(s) that may occur to the connected pipe lines (inlet/outlet), float valves including replacement of necessary items/spares (if required at site). (iv) The Contractor is to submit in writing the tentative schedules/dates for cleaning/disinfection of the service tanks for approval of the same from Engr-In-Charge. There may be instances when the Dept won't be able to hand-over tank(s) for the subject work/job due to any reasons on the approved/scheduled dates. (v) The silt/sludge is to be removed to a distance not less than 50 mtr away from the tank area. (vi) The complete work of cleaning/disinfection of the service tanks is to be carried out in the presence of the JE/MES rep & a register to this effect has to be maintained by the Contr wherein entries w.r.t. Date & Time of Start/Completion of the work/job shall be entered & duly signed by the Contr/Rep, Dept Rep & the User concerned for payment purposes.

M & L for fabrication of 4mm thick MS sheet covers for Valve Pit Chambers with necessary nuts, bolts, washers or welded attachment incl welding etc. work complete as required at site including applying two coats of black bituminous lead free paint over a coat of red oxide primer after preparation of surfaces complete all as specified & as directed.

M & L for MS framed work as ladder, cleats & similar work for Water Tanks/Sumps etc. confirming to Fe - 290, grade E-165, fixed with necessary nuts, bolts, washers or welded attachment as required including applying two coats of black bituminous lead free paint over a coat of red oxide primer after preparation of surfaces complete all as specified & as directed. Note for Item Nos 34 & 35 : Cost of cutting, welding, fabrications works, demolition of concrete etc. incl making good the disturbed/damaged surfaces complete all as specified and to the entire satisfaction of the Eng-in-Charge is deemed to be included in the unit quoted rates.

Servicing of complete filtration plant assy by disconnecting the water supply/pipe connections, dismantling and unloading the entire contents of the filter media, activated carbon etc. from FRP enclosure/vessel at site, cleaning the complete vessel & water supply/pipe connections thoroughly externally & internally with bleaching powder & clean water & filling the same with the new/replaced media etc. & reconnecting the water supply/pipe connections including testing complete all as specified and to the entire satisfaction of the Eng-in-Charge. Note : Filter media, Activated Carbon etc. shall be measured and paid separately under relevant items.

M & L for filling of Activated Carbon including packing in FRP enclosure/vessel to required level at site complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : RMCO or techno-commercially equivalent.

M & L for filling of filter sand including packing in FRP enclosure/vessel to required level at site complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

M & L for filling of Silex 10mm including packing in FRP enclosure/vessel to required level at site complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

M & L for filling of pebbles of size 1/2" x 3/4" including packing in FRP enclosure/vessel to required level at site complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

M & L for filling of pebbles of size 1" x 1 1/2" including packing in FRP enclosure/vessel to required level at site complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

M & L for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6.0 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5 mtr (B.G.L.) and connected to galvanized iron earth strip 32 x 6 mm by means of bolts, nuts, check nuts, and washers of galvanized iron including PCC Earth chamber and coverslab with suitable handle , including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with cast iron funnel and wire mesh, 40 mm bore medium grade galvanized steel tubing for drawing earth lead GI strip protection & common salt, charcoal in alternate layers etc. complete all as shown in EP No 3 of SSR Part 1 and testing on completion complete all as specified and as directed.

Servicing of Solar Water Heater of capacity 100 LPD by cleaning/removing of glass surfaces from oils, wax, lubricants, grease, dust, removing sedimentation in copper pipes including replacement of worn out gaskets & hoses and clamps with new EPDM gasket & hoses with clamps and applying one coat of paint to solar tank and panel stand of existing colour of approved make after preparation of surfaces (if required) complete all as specified and to the entire satisfaction of the Eng-in-Charge.

Servicing of Solar Water Heater of capacity 200 LPD by cleaning/removing of glass surfaces from oils, wax, lubricants, grease, dust, removing sedimentation in copper pipes including replacement of worn out gaskets & hoses and clamps with new EPDM gasket & hoses with clamps and applying one coat of paint to solar tank and panel stand of existing colour of approved make after preparation of surfaces (if required) complete all as specified and to the entire satisfaction of the Eng-in-Charge.

Note for Item Nos 43 & 44 : Every care w.r.t. safety of the workers during climbing the roof top, working there is to be taken & the Contr shall be responsible for the same. Safety belts, working tools, ladders, stagings etc. shall be provided by the Contr & the cost of the same is deemed to be included in the unit quoted rates.

S & F in repair toughened glass of size not less than 2 Sqmtr each(or as required at site as actual), 4mm thick of solar water heater panel of capacity 100/200 LPD incl taking down unsv/damaged one complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

S & F in repairs GI tubing medium grade for hot water pipe duly insulated with glass wool and aluminium cladding 15 mm bore incl taking down unsv/damaged one complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

S & F in repairs GI tubing medium grade for hot water pipe duly insulated with glass wool and aluminium cladding 20 mm bore incl taking down unsv/damaged one complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

Supply and filling anti freezing liquid in solar water heater system complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

S & F electrical back up heating coil/element of capacity 2 KW complete with thermostat incl taking down unsv/damaged one complete all as specified and to the entire satisfaction of the Eng-in-Charge. Make : As per Sample/OEM or as decided by GE/Engr-in-Charge.

Supply only ball valves, high pressure, PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe of size 25 mm bore complete all as specified and as directed. Make : Cat No-153 of make Prayag or techno commercially equivalent as approved by Engineer-in-Charge and GE.

Description all as per item No 51 above but of size 20 mm bore all as specified and as directed. Make : Cat No-152 of make Prayag or techno commercially equivalent as approved by Engineer-in-Charge and GE.

Description all as per item No 51 above but of size 15 mm bore all as specified and as directed. Make : Cat No-151 of make Prayag or techno commercially equivalent as approved by Engineer-in-Charge and GE

VVM CONSTRUCTIONS

P K ENTERPRISES

S.RAMACHANDRAN

Saket Enterprises