REPAIR MAINT AND CLEANING OF SEMI UG SUMPS UG SUMPS OH TANKS SERVICE TANKS INCLUDING REPLACEMENT OF UNSERVICEABLE FLOAT VALVES FOOT VALVES MS COVERS OF VALVE CHAMBERS REPAIRS TO APPROACH LADDERS OF TANKS SUMPS CLEANING REPLACEMENT OF FILT

Amount

Testing of Water samples for Bacteriological analysis, Physical & Chemical analysis from any Govt. approved / NABL accredited Laboratory as approved by the GE. 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 by the Engr-in-charge. MAKE : RMCO or techno-commercially equivalent as approved by the GE.

Supply only Grade-1 Bleaching powder in 25 Kg bags complete all as specified and as directed by the Engr-in-charge. MAKE : RMCO or techno-commercially equivalent as approved by the GE.

Supply only Poly Aluminium Chloride (PAC) complete all as specified and as directed by the Engr-in-charge. MAKE : RMCO or techno-commercially equivalent as approved by the GE.

Note for Item Nos 2 to 4 : 1) Non Ferric Alum & Bleaching powder is to be purchased by the Contractor in lots/batches as per the requirement of the Dept (MES). 2) Purchase Vouchers and Original manufacturer's 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 by the Engr-in-charge. MAKE : PURICHLOR (Aquafit) or techno-commercially equivalent as approved by E-in-C's Branch and as approved by GE.

Note : 1) Calcium Based Granular Disinfectant is to be purchased either directly from Manufacturer/Auth Dealer/Distributor only. 2)Purchase Vouchers and Original manufacturer's test certificates duly signed and certified by the Manufacturer/Auth Dealer/Distributor is to be submitted by the Contractor to the Engr-In-Charge. 3) 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 by the Engr-in-charge. MAKE : RMCO or techno-commercially equivalent and as approved by GE.

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

M&L for cutting grass, bushes, creapers, weeds, unwanted plants/growths etc in and arround 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 masonary valve pit of internal dimensions 1200 mm x 1200 mm x 1200 mm complete and fabrication of 4.00 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 masonary valve pit of internal dimensions 900 mm x 900 mm x 900 mm complete and fabrication of 4.00 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 and 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 : 1) 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. 2) 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 internal surfaces of RCC overhead tank, 30000 gallons capacity at Filter House location at 40 feet height/staging (maximum) at different locations by pumping out the accumulated water at the bottom using dewatering pump, removing the complete silt/sludge by suctio 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 Sl Item No.14.00, but 40000 gallons capacity at DSSC Offrs Mess location.

Description all as per Sl Item No.14.00, but 250000 gallons capacity at Ooty (Break-Over tank).

M&L for cleaning thoroughly internal surfaces of RCC semi underground water tank/sump, 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 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 Sl Item No.17.00, but 15000 gallons capacity at GH PH location.

Description all as per Sl Item No.17.00, but 20000 gallons capacity at GH PH & DSSC O/Mess locations.

Description all as per Sl Item No.17.00, but 20000 gallons capacity Break-Pressure tanks at different locations enroute Ooty.

Description all as per Sl Item No.17.00, but 35000 gallons capacity at Filter House location.

Description all as per Sl Item No.17.00, but 40000 gallons capacity at GH PH location.

Description all as per Sl Item No.17.00, but 40000 gallons capacity Settling tanks at Filter House location.

Description all as per Sl Item No.17.00, but 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.

Description all as per Sl Item No.17.00, but 50000 gallons capacity at GH/MAP/Annex Offrs Mess/Glencoe locations.

Description all as per Sl Item No.17.00, but 100000 gallons capacity at Filter House location.

Description all as per Sl Item No.17.00, but 150000 gallons capacity at Filter House location.

Description all as per Sl Item No.17.00, but 200000 gallons capacity at Filter House location.

Description all as per Sl Item No.17.00, but 350000 gallons capacity at Filter House location.

Note for Item Nos 12.00 to 29.00 : 1) 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. 2) 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. 3) 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. 4) 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. 5) 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. 6) The silt/sludge is to be removed to a distance not less than 50 mtr away from the tank area. 7) 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.

RCC/PVC/HDPE Service tanks of capacity upto & including 1000 Ltrs. M&L for cleaning thoroughly internal surfaces of RCC/PVC/HDPE Service water tank of the following capacities 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 Sl Item No.30 , but RCC/PVC/HDPE Service tanks of capacity exceeding 1000 Ltrs & upto & including 2000 Ltrs.

Note : 1) 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. 2) 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. 3) 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). 4) 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. 5) The silt/sludge is to be removed to a distance not less than 50 mtr away from the tank area. 6) 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 and duly signed by the Contr/Rep, Dept Rep & the User concerned for payment purposes

M&L for fabrication of 4.0 mm 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 and as directed.

Note for Item Nos 32.00 & 33.00 : 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 separetely under relavent 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 6.3 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 (1:2:4) type B1 precast RCC cover slab with suitable handle made out of 8 mm dia round bar, 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 Electrical Plate No 3 of SSR Part 1 and testing on completion complete.

Servicing of Solar Water Heater of capacity 100 LPD by cleaninig/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 cleaninig/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 41 & 42 : 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 (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. MAKE : Prayag or techno-commercially equivalent.

Description all as per item No 33 above but of size 20 mm bore.

Description all as per item No 33 above but of size 15 mm bore.

Taking Out non reusable existing filter media from Filter bed of Rapid sand Fiter at filter house (04 Nos)Comprising of fine Sand of .5 mm to 1.0 mm,hard and resistant , quart sand of size 1mm to 1.5 mm and reusable pea gravells of size 5 mm 20mm and 25mm to 40 mm and depositing up to 50 Mtr distance from the filter bed complete all as specified and directed by the Engr in Charge .

Note:- 1) The Reusable gravells of 5 mm to 40 mm is reuse after cleaning ii) Relaying the Pea Gravells of size 5mm to 40 mm is meeasured and paid seperately

Cleaning the filter bed of Rapid Sand Filter Tank of size 3M x7 M X2 M after removing the filter media complete from filter bed thoroughly using bleaching powder by brushing the wall floor washing with clean water and pumping out the water from filter bed and applying two coats of white wash on the wall, internal and one coat of Synthetic enamel paint on pipes of the filter bed complete all as directed by the Emgr-in- Charge

Reusing the removable pebbles in the Filter Bed comprising of size ranging 5 mm to 20 mm and 25mm to 40 mm after cleaning with potable water , disinfecting the same and ralaying in the filter bed Complete all as specified and as directed by Engr-in-Charge

Supply and spread pebbles in the Filter Bed comprising of size ranging 5 mm to 20mm and 25 to 40 mm after cleaning with potable water Complete all as specified and as directed by Engr-in-Charge

Supply and Spreading evnly hard and resistant or quart sand free from clay, mud and durt effective of size 1 mm to 1.5 mm in the filter bed of Rapid Sand Filter in the layer of thickness 30 cm complete all as specified and as directed by the Engr- in Charge

Supply and Spreading evnly hard and resistant or quart sand free from clay, mud and durt effective of size .5 mm to 1.0 mm in the filter bed of Rapid Sand Filter in the layer of thickness 30 cm complete all as specified and as directed by the Engr- in Charge

SHIFTING / RE-ROUTING OF DI PIPE LINE NEAR MAP 4 & 5 BLOCK INCLUDING ALLIED WORKS(Item Nos 57 to 73) : Excavation in trenches, not exc 1.5 mtr wide and not exc 1.5 mtr in depth for laying of pipe line in Hard/Dense soil and getting out in Hard/Dense soil complete all as specified and as directed

Returning, filling in, including spreading, levelling, watering and well ramming in layers in Hard/Dense soil complete all as specified and as directed

Removing excavated meterial to a distance n.exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

Taking up Ductile iron water mains (including all fittings, mechanical joint etc) 250 mm bore with spigot and socket ends including Vegitation ,cleaning/ removing clogged mud inside the pipe line of the old Cast iron / Ductile iron pipes and removing lead joint / tyton joint complete all as specified and directed.

All as per item No 60.00 above, but of size 250mm bore of flanged ends including disconnecting pipes and fittings and shifting upto 30 mtrs distance and keeping in safe custody for reuse complete all as specified and directed

Note for Item No 60.00 & 61.00:- The aspect of cleaning /removal of clogged mud inside the pipelines shall be applicable for only pipes to be reused & cost of same is deemed to be included in the unit quoted rates.

Supply, Laying, jointing & testing of Ductile iron (DI), pressure pipes with spigot and socket ends,of 250 mm dia centrifugally cast, class K-9, with cement mortar lining in inner side as per IS:8329/2000 (latest revision) and other relevant standards and metallic zinc coating followed by a finishing layer of epoxy paint in outer side, suitable for push on joint (rubber gasket joint) in any length laid in trenches including jointing & testing complete all as specified and as directed of following sizes:- Make:- TATA/JINDAL/ELECTRO STEEL Note : Excavation and earth work shall be measured and paid separately under relevant items.

All as per item No 62.00 above, but flanged ends of size 250mm bore including necessary nuts, bolts, washers and rubber gasket of 4mm thick complete all as specified and as directed. Make:- TATA/JINDAL/ELECTRO STEEL

Relaying of DI pipe line flanged type in trenches /on the ground or/ on supports above the ground level and connecting up including rubber gasket of 4mm thick with adhesives and nessary bolts & nuts,washers with jointing and testing of any length of size 250 mm bore, complete all as specified and directed.

Relaying of DI pipe line with spigot and socket ends in trenches /on the ground or/ on supports above the ground level and connecting up including jointing with push on type rubber gasket and testing of any length of size 250 mm bore, complete all as specified and directed . General Note for item Nos 56.00 to 64.00:- (i) The entire pipe line work is to be carried out in and around the Wellington Mil Stn areas or as per the direction of GE/Engr- in -Charge. (ii) If any damages occurr to water supply pipe line, electric UG cable ie HT/LT and OFC Cable etc for MES, DSSC, Cantt Board etc during the progress of work,same shall be repaired immediately and rate quoted by the contractor shall deem to be inclussive of the same. If the damaged services are not repaired immediately, the same will be got repaired/replaced, at the risk and cost of contractor and the repair cost will be deducted from the contractor’s due payments and the contractor cannot have any claim on this issue and the decision of Accepting officer shall be final and binding. (iii) Excavation and laying of pipe line work will be carried out simultaneously without any hindrance to traffic, and the contractor has to arrange person & barricades,safety strips etc for clearance of traffic . (iv) The decision of accepting officer will be final and binding on all the above issues. (v) Cost of use of JCB/DG Set/Welding Machine etc required for successful completion of the work is deemed to be included the unit quoted rates.

Supply and fix Ductile Iron fitting confirming to IS 9523 K 12 ,suitable for pipes of class K 9 upto 250 mm bore such as bends (any type of radius and angle ) tappers any type ,(straight, bend, increasing,decreasing or double socket etc.) Tee pieces single branch.Y junction double branch Cross collars caps Plug etc including rubber gasket joints & testing complete all as specified & directed. MAKE :- Tata/Jindal/Electro Steel Note:- The Make Of DI Fittings and DI pipes shall be the same.

M & L for cement concrete (1:2:4) type B-2 (using 40 mm graded stone aggregate) as in foundation , fillings, mass concrete, supports etc.complete all as specified and directed.

S & F in repair mechanical joint / jiffy / flexible couple joint complete suitable for Up to 250 mm dia x 300mm long for DI pipe complete alongwith all accessories complete all as specified and directed .

S & F in repair totally tamper proof Kinetic CI Air release valve double chamber ball , PN1.6 conforming to IS 14845 of size 100mm and fixing up in DI water supply mains of size 250mm with suitable gasket joints, nuts, bolts, washers etc including removing/ taking out old unserviceable air release valve complete all as specified and directed. Make :- Kirloskar/Leader/L&T

M & L for mild steel framed work such as bracing, fabricated frame works, supports, clamps and back plates including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size conforming to Fe-290 Gde-E 165 all as directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as specified and directed.

Excavating road /Hard Standing/PCC etc by JCB etc 1 mtr wide and n.exc 2 mtr depth for taking down/ laying/relaying of pipe line etc returning filling in and finishing the top surface after laying/ repair etc of pipe work with PCC (1:2:4) type B-2 to a minimum depth of 300mm over dry mix concrete (1:4:8) type D-2 to a minimum depth of 600mm over rammed earth to suit the site requirement and making good the disturbed surfaces to match with existing finish complete all as specified and directed . Note:- (i) The road cutting work including making good disturbed surfaces shall be completed within 24 Hrs to the entire satisfaction of Engr-in-Charge/GE, failing which a penalty of Rs 10000/- per day shall be recovered and the decision of Accepting Officer in their regard shall be final and binding. (ii ) Any excavation of road/Hard Standing/PCC etc carried out against subject item incl returning & filling & removal is deemed to be included in the unit quoted rates. (iii) Cost of Use of JCB /DG Set/Welding Machine etc required for succesfull completion of work is deemed to be included in the unit quoted rates. (iv) If any damage to any cables of ITRC/ BSNL/ WCB/ MES etc, or to any pipe lines of WCB/ TWAD/ MES etc, develops/ occurs during execution of the works then the same shall be made good by the Contractor to the entire satisfaction of the concerned Dept & the costs of the same is deemed to be included in the unit quoted rates.

Labour only for cutting of DI pipes exc 100mm n.exc 250mm dia for insertion of tee for branch connections and valves etc complete all as specified and directed . Note : Fittings shall be measured & paid separately under relevant items.

M & L for Construction of Brick masonry valve pit chamber of inner dimension 1200 x1200 x1000mm, with 150mm thick PCC (1:4:8) type D-2 foundation, 230mm thick Brick work using sub class 'B' briks in CM (1:4), rendering in CM (1:4), 15 mm thick mixed with water proofing compound on internal surfaces of wall /floor and external walls upto 150mm below GL, 50mm thick coping in PCC (1:2:4) type B-1, including necessary form work and provision of MS sheet chamber cover of thickness 4mm with 50mm x 50mm x 6 mm Angle iron frame fixed with the chamber using 4 Nos hold fasts made out of 50 x 6mm flat iron of suitable length fixed with handle made of 10mm dia MS bar suitably welded of 200mm length and locking arrangement including painting over MS surfaces with two coats of synthetic enamel paint over one coat of red oxide primer etc., and including excavation and earth work in any type of soil and disposal of surplus soil to a distance n.exc 50m complete all as per CECZ TD No 552 of Sheet 1/1 and including dismantling the old valve chamber all as directed by Engr-in-Charge.

Hydro Therm Engineers