MAINTENANCE AND REPAIRS TO SEWAGE PUMPS, AIR BLOWERS AND DOSING PUMPS AND CLEANING OF WATER SUPPLY OVER HEAD TANK AND UG SUMPS AT AFS BIDAR

Amount

M&L for cleaning of sewage intake circular tank of size 7 mtr dia and 7 mtr depth by removing all sludge and de-scaling vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

All as per Sl Item No 01 here-in-above, but 6 mtr dia and 6 mtr depth

M&L for cleaning of raw sewage rectangular tank of size 7.5 mtr x 5.4 mtr and 5 mtr depth by removing all sludge and de-scaling vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

All as per Sl Item No 03 here-in-above, but tank of size 6 mtr x 7 mtr and 8 mtr depth

All as per Sl Item No 03 here-in-above, but tank of size 4.45 mtr x 3.25 mtr and 2.5 mtr depth

M&L for cleaning of treated water circular tank of size 9 mtr dia and 3 mtr depth by removing all vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

All as per Sl Sl Item No 06 here-in-above, but rectangular tank of size 10.5 mtr x 4.5 mtr and 4 mtr depth

All as per Sl Sl Item No 06 here-in-above, but rectangular tank of size 5.5 mtr x 4.6 mtr and 3 mtr depth

M&L for cleaning of tube settler tank rectangular tank of size 5 mtr x 2.6 mtr and 2.5 mtr depth by removing all sludge and de-scaling vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

All as per Sl Item No 09 here-in-above, but size of tank of 3.3 mtr x 3.1 mtr and 3 mtr depth

M&L for cleaning of MBBR tank rectangular tank of size 2 mtr x 2.8 mtr and 3 mtr depth by removing all sludge and de-scaling vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

All as per Sl Sl Item No 11 here-in-above, but 3.1 mtr x 3.1 mtr and 3 mtr depth

All as per Sl Sl Item No 11 here-in-above, but cylindrical tank of 1.5 mtr dia and 4 mtr depth

M&L for cleaning of sludge holding tank rectangular tank of size 10 mtr x 5 mtr and 0.6 mtr depth by removing all sludge and de-scaling vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

M&L for cleaning of CCT tank rectangular tank of size 5 mtr x 1.5 mtr and 1.5 mtr depth by removing all sludge and de-scaling vegetation on the inside and outside of tank and white washing (Two coat) including cleaning the surrounding area of the tank to a distance of 3 meter circumstance including cutting of grass, digging out roots, filling holes and levelling around and removing waste material to a distance not exceeding 50 Mtrs complete all as specified and directed.

All as per Sl Sl Item No 15 here-in-above, but size of tank of 3.1 mtr x 2 mtr and 2 mtr depth

M&L for lifting and taking out the sewage submersible pump set and motor of capacity 7.5 to 10 HP including column pipe by dismantling nut bolt washers and rubber packing etc including disconnecting of submersible cable complete from the sewage sump /well and lowering back the pump after repairing /removing the sludge from the pump including making electrical connection with the existing panel /starter and connecting the complete column pipe assembly with nut bolts, washers/ packing to the existing header without any leakage complete all as directed. Note :- Rate are deemed to be inclusive for jointing of Submersible Cable, reconnecting the delivery pipe line of submersible pump sets to water mains, testing for satisfactory running & continuous flow of water complete.

All as per Sl Sl Item No. 17 here-in-above, but pump of capacity 1 HP to 2 HP.

M&L for rewinding of Submersible sewage pump by taking out burnt copper winding, cleaning the casing & slots with wire brush & washing with pressure water & shall be dried ,rewinding the motor using required gauge of super enamelled copper winding wire, varnishing and stamping and overhauling etc. Making the winding leak proof & taking out the electric connection with suitable size of submersible cable up to 03 Meter, Capacity of motor 7.5 HP to 10 HP complete all as specified and as directed .

All as per Sl Sl Item No. 19 here-in-above, but pump of capacity 1 HP to 2 HP.

M&L for repairing and testing of centrifugal/mono block/non clogging pump of capacity 0.5 to 5 HP of any make and type including welding work, rotor turning and balancing, re-metaling of shaft bush bearing, keys, mechanical seal, SS shaft impeller and other such accessories etc required to make pump functional and testing on load complete all as specified and as directed

All as per Sl Sl Item No. 21 here-in-above, but pump of capacity 7.5 HP.

All as per Sl Sl Item No. 21 here-in-above, but pump of capacity 15 HP.

All as per Sl Sl Item No. 21 here-in-above, but pump of capacity 20 HP.

M&L for rewinding of electric motor of capacity 0.5 to 1.5 HP 50 Hz 400/415 volts of mono block/centrifugal pump of any make and type with super enamelled copper winding wire including bearing bushes and other accessories etc required to make motor functional and testing on load complete all as specified and as directed

All as per Sl Item No. 25 here-in-above, but pump of capacity 5 HP to 7.5 HP.

All as per Sl Item No. 25 here-in-above, but pump of capacity 15 HP.

All as per Sl Item No. 25 here-in-above, but pump of capacity 20 HP.

M&L for dismantling and taking up unserviceable sewage feed pump screw type pump set of capacity 2 HP from foundations after disconnecting electric and water connections and cleanings the screw rotors, greasing the bearings by opening nut-bolts & washers at site and reassembling the same after necessary work as specified.

M & L for servicing of air blower of capacity upto 300 m³/Hr, 1790 RPM with positive displacement type twin lube root blower with motor of 15 HP, including opening the blower motor blower shaft, shaft Key ways, shaft holes etc and replacing the gland packing, gland nuts, coupling, replacement of oil seal including oil and re-fixing the same to the original position and commissioning testing complete all as specified and as directed.

All as per Sl Sl Item No. 30 here-in-above, but of capacity 83 m³/Hr and motor capacity 5 HP.

Supply and fill Compressor Oil as required in compressors complete all as specified and directed.

Supply and fix in replacement Air blower belt as per existing size complete all as specified and directed.

Supply and fix in replacement pressure gauge 4" dia, 0-21 Kg/cm2 rating complete all as specified and directed.

Supply fixing, testing and commissioning in replacement of 0-6 LPH electrically operated, metered, adjustable dosing pump with accessories including lead tubing , connecting nuts injection check valve with 60 ltr PE/ FRP tank fitted with agitator all as directed by engineer -in - charge E tank with PE/FRP/HDPE lid and level gauges, mounted on tank all as specified and directed by Engineer -in-charge .

M & L for carrying sample testing of sewage water as per relevant IS of STP and submission of detailed test report to the office of the Engr-in-charge and testing shall be carried out in Govt approved laboratory as approved by GE. (a) Carrying out minimum essential testing of sewage water as per relevant IS mandatory for chemical, odour, PH value, TSS, BOD, COD, total nitrogen, sulphate, oil and grease, ammonical Nitrogen (NH3-N) and Bacteriological total coliform organism and other characteristics as per relevant IS of sewage water. (i) Cost of sterilized bottle as required. (ii) cost of sample collection from Site to laboratory including transportation charges are included in the quoted rate.

M & L for carrying sample for testing of treated water of STP and submission of detailed test report to the office of the Engineer-in-charge. Details are as under:- (a) carrying out minimum essential testing of treated water as per IS 3025 & IS 1622 mandatory for chemical , colour, odour, PH value, TSS, BOD, COD, Total residual chlorine, total Nitrogen, sulphate, oil and grease, Ammonical nitrogen(NH3-N) and Bacteriological total coliform organism per 100ml (MPN) and Ecoli in 100ml. (b) Treated sewage water shall confirm to the following characteristics:- (i) TSS : < 10 mg/litre. (ii) BOD : < 10 mg/ litre. (iii) COD: < 150 mg/litre. (iv) Ph: 6.5 -8.5. (v) Total coliform: < 100 MPN/100 ml (desired nil). (vi) Residual CI> 1 mg/litre. Rest of the characteristic of the treated water shall be as per IS 3025 & IS 1622. (i) Cost of sterilized bottle as required. (ii) cost of sample collection from Site to laboratory including transportation charges are included in the quoted rate.

Supply, laying , jointing, welding & testing MS pipe of size 100 mm bore ( Heavy duty Class 'c') including fitting as required of following sizes laid in trenches or laying or floor for connecting to various STP accessories and to connect outgoing water main from Non clogging submersible pump including taking down the unserviceable pipe all as directed by Engr-in-charge. Note:- MS flange and flange joint, bends etc complete with jointing material shall deemed to be included in the unit rate of this Sl Item.

All as per Sl Item No 38 here-in-above, but for pipe of 80 mm bore

All as per Sl Item No 38 here-in-above, but for pipe of 65 mm bore

All as per Sl Item No 38 here-in-above, but for pipe of 50 mm bore

All as per Sl Item No 38 here-in-above, but for pipe of 40 mm bore

M&L for electric arc welding at places like flanges/pipe line, joints , strip of clarifier tank, approach ladder to aeration tank etc all as specified and directed by Engineer-in-Charge.

S&F in replacement PVC flexible green suction hose pipe of size 63mm of pressure rating 6 Kgf/cm2 fixed to submersible pump complete all as specified and directed.

Disconnection and removing U/S CI Foot valve 100mm dia of centrifugal pump sets and S & F CI Foot valve 100mm dia with all fittings including flanges, leather washer, fasteners for fitting such as necessary size nut, bolt and washer, rubber packings / joining materials complete all as specified and as directed.

Disconnection and removing the unserviceable Sluice Valve 150mm dia and S & F Sluice Valve 150mm dia PN 1.6, Non raising type, brass spindle with hand wheel head, screwed both ends including jointing material, complete all as specified and directed.

All as per Sl Item No 46 here-in-above, but 100 mm

Supply and fix butterfly valve of size 100 mm suitable for GI/MS pipe complete including dismantling the old one all as specified and as directed by Engr-in-Charge.

All as per Sl Item No 48 here-in-above, but 80 mm

All as per Sl Item No 48 here-in-above, but 65 mm

All as per Sl Item No 48 here-in-above, but 50 mm

Supply and fix in replacement MCCB 160 A ,3 pole ,36 KA with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement MCCB 100 A ,3 pole ,25 KA with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement MCCB 63 A, 4 pole, 16 KA with adjustable thermal & fixed magnetic setting with bus bar spreader links for connecting both incoming and outgoing cables with suitable connections with suitable size of glands etc complete including testing & commissioning all as specified and as directed by the Engineer-in-Charge.

Supply and fixing in replacement of flat submersible 3 core 6 sqmm cable PVC insualted unsheathed multistranded copper conductor water proof suitable for submersible pump set complete all as specified and as directed.

All as per Sl Item No 55 here-in-above, but cable of size 3 core 10 sqmm.

Excavation in trenches not exc 1.5 wide and not exc 1.5 m in depth for foundation etc or for laying cable etc not exc 10 Sqm on plan and getting out in soft/loose soil complete all as specified and as directed.

Returning filling using soils in including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed.

Removal of surplus soil to a distance not exc 50m and depositing where directed at a level not exc 50m above the starting point complete all as specified and as directed.

S&F in replacement 3 pole contactor MNX 9, 415 V with 220-240 Volt AC Coil with 1 NO/NC add on auxiliary contacts complete all as specified.

S&F in replacement 3 pole contactor MNX A2, 415 V with 220-240 Volt AC Coil with 1 NO/NC add on auxiliary contacts complete all as specified.

S&F in replacement 3 pole contactor MNX A1, 415 V with 220-240 Volt AC Coil with 1 NO/NC add on auxiliary contacts complete all as specified.

S&F in replacement single phase preventer suitable for 3 HP to 20 HP pump sets

S&F in replacement thermal overload relay 3 phase, relay range 9 to 15 Amps suitable for MNX type contactor complete all as specified.

S&F in replacement thermal overload relay 3 phase, relay range 14 to 23 Amps suitable for MNX type contactor complete all as specified.

S&F in replacement thermal overload relay 3 phase, relay range 24 to 40 Amps suitable for MNX type contactor complete all as specified.

S&F in replacement star delta electronic timer ETR suitable for 220-240V AC, 50Hz supply complete all as specified and as directed.

M&L for disconnection and taking up cast iron sewage lines 200mm dia (including all fittings), with spigot and socket ends/flanged joints and finding out and removing the sewage block in the pipe lines and refixing the pipe line in its original position complete all as specified and as directed. Note : Excavation removal and RFR will be measured and paid separately under respective Sl Item.

M&L for servicing of pressure sand filter by dismantling of MS/GI Pipe connections from the pressure sand filter plant, opening the manhole and removal/taking out old filter media completely from chamber and washing/cleaning the media and scrapping, washing inside the filter vessel and re-fixing the pipes in the original existing position including filling back the media complete all as specified and as directed.

Supply and laying uniformly, filter media of screened graded and dust free quartz sand of size 16 to 32 mesh(0.45 to 0.70mm) in required thickness for efficient filtration of water complete all as specified and directed

Supply and laying uniformly, hand picked screened graded pea gravel of size 2mm to 6mm size for forming filter bed for efficient filtration of water complete all as specified and directed.

Supply and laying uniformly, hand picked screened graded pea gravel of size 6mm to 12mm size for forming filter bed for efficient filtration of water complete all as specified and directed.

Supply and laying uniformly, hand picked screened graded pea gravel of size 12 mm to 20mm size for forming filter bed for efficient filtration of water complete all as specified and directed.

Material and labour for replacement of activated carbon IV 1000 complete all as specified and directed by Engr-in-charge.

S&F in replacement HDPE pipe of pressure rating 6 kgf/sqm ISI marked with all running fittings of size 25 mm bore as per PE-100, and IS-4984:2016 complete all as specified and as directed. Note : Excavation removal and RFR will be measured and paid separately under respective Sl Item.

All as per Sl Item No 75 here-in-above, but pipe of 50 mm bore

All as per Sl Item No 75 here-in-above, but pipe of 75 mm bore

S&F in replacement of bib tap of size 15 mm, standard of PTMT any colour high pressure screwed for iron pipe and fixed of minimum weight of 90gms complete all as specified and as directed.

Supply & lay, connect, test and commissioning of XLPE insulated sreened PVC bedded, galvanized steel strip or wire armoured, electric power cable (Heavy duty)1100 Volts grade with multistranded Aluminium conductor of following sizes 3.5 core 35 sqmm alongwith necessary end termination complete including taking down the old/unsv cable complete all as specified and as directed.

All as per Sl Item No 79 here in above here-in-above, but cable of size 3.5 core 70 sqmm

S&F in replacement unreinforced pre cast concrete cable cover class LV type 1 plat size 250x150x40 mm laid in trenches as protection to cables all as directed.

Supply & spreading stone sand gravel in trenches for cushioning of underground cable/filling of cable ducts all as directed by Engineer-in-Charge at site. Note :- Only punned Thickness shall be measured for payment purpose.

Disconnection and removing the unserviceable Automatic star/delta starter and S & F Automatic star/delta starter in SS enclosure with relay max range 13 to 21 Amps, 415V/440V and 3 Nos of Power Contactors of capacity 32 Amps, Prewired with ON/OFF Buttons complete including connecting the cable all as specified and as directed.

Disconnection and removing the unserviceable Automatic star/delta starter and S & F Automatic star/delta starter in SS enclosure with relay max range 20 to 32 Amps, 415V/440V and 3 Nos of Power Contactors of capacity 40 Amps, Prewired with ON/OFF Buttons complete including connecting the cable all as specified and as directed.

Disconnection and removing the U/S DOL starter and S & F DOL starter Type - MK1, 15A, 3 Phase, 50 Cycles, Relay Range upto 9-14A, 415V/440V including connecting the cable complete all as specified and as directed.

Taking up cast iron water mains 150mm dia (including all fittings), with spigot and socket ends & lead joints including burning out joints and recovering lead complete all as specified and as directed Note : Excavation removal and RFR will be measured and paid separately under respective Sl Item.

Relaying the serviceable CI Pipe line 150mm dia laid in trenches with Socket ends complete all as specified and as directed

Supply, laying, test and commissioning of Cast iron pipes 150mm dia with spigot and socket ends centrifugally cast, Class LA, bearing ISI mark, in any length, laid in trenches complete all as specified and directed

Fixing only GI Steel tubing medium grade 20mm dia along with fittings laid in trenches/ fixed to walls complete all as specified and directed. Note :- 20mm dia pipe will issued in Sch B store.

All as per Sl Item No 89 here-in-above, but pipe of 50 mm dia

All as per Sl Item No 89 here-in-above, but pipe of 80 mm dia

Cleaning the surroundings of STP area by cutting/lifting the bushes, cutting and uprooting grass, vegetation shrubs, bushwood undergrowth, roots and trees not exceeding 30 cm girth (upto 01 metre height above ground level) and removing rubbish to a distance upto 50 metres outside the periphery of the area, complete all as specified and as directed by Engr-in-Charge.

M&L for draining out of entire water from UG sump of capacity 15000 Gallons with the help of suitable pump sets and scrapping down, cleaning all Internal Surfaces of Walls, Floors, Roof, Incoming & Outgoing Pipe Lines etc including removing accumulated sand/ silt from the Chambers, depositing where directed at a distance not exc.100 Metre, after washing disinfecting the whole reservoir with solution of potassium permanganate and applying one coat of cement wash to inner sides of the sump removing blockage of the delievery mains & marking the date of cleaning with paints on reservoirs complete all as specified and as directed.

All as per Sl Item No. 93 here-in-before but Underground sump of capacity 25000 Gallons capacity

All as per Sl Item No. 93 here-in-before but Underground sump of capacity 50000 Gallons capacity

All as per Sl Item No. 93 here-in-before but Underground sump of capacity 150000 Gallons capacity

M&L for scrapping down, cleaning all Internal Surfaces of Walls, Floors, Roof, Incoming & Outgoing Pipe Lines etc of Over Head Reservoir of capacity 25000 Gallons including removing accumulated sand/ silt from the Chambers, depositing where directed at a distance not exc.100 Metre incl draining out of entire water from OH reservoir by opening of wash out valve after blocking the delivery mains of each of the two compartments with gunny bags or other suitable arrangements and washing the same completely, after washing disinfecting the whole reservoir with solution of potassium permanganate and applying one coat of cement wash to inner sides of the both of the compartments and removing blockage of the delivery mains & marking the date of cleaning with paints on reservoirs complete all as specified and as directed.

All as per Sl Item No. 97 here-in-before but Overhead Reservoir of capacity 50000 Gallons.

M & L for cleaning the Static water tank 25000 Gallons capacity by de-canning of water available in the sump with the help of suitable pump sets and removing the silt/sludge deposited at bottom, cleaning the walls of the sump internally portion by using high pressure vacuum water jets and cleaning followed by anti bacterial (non toxic) spray with UV radiation for suspended bacteria killing, applying one coat of cement based paint (external snowcem) to external surfaces and internal portion with anti bacteriological hygiene floor paint with BACTRON for floors in high wear areas of the tank including preparation and painting all the MS & Steel Sl Items/ structures with one coat of synthetic enamel black paint and writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground at domestic / technical area complete all as specified and as directed.

All as per Sl Item No 99 here-in-before but of 15000 gallons capacity.

M & L for cutting / cleaning and removing of growing vegetation/ unwanted bushes inside installation area by using T & P or manpower when required all as directed by Engr-in-Charge.

Supply and fixing aviation obstruction light fitting including lamp and connecting with suitable size cable including taking down old unserviceable one complete all as specified and as directed. Make :- Bajaj Cat Part No BJAOL/2BC or of approved makes specified here-in-after

S&F 3 core, 1.5 sqmm PVC insulated PVC sheathed multistranded flexible copper conductor cable drawn through existing pipe from junction box to fitting complete including taking down old unsv cable all as specified.

Dismantling the u/s air termination rod and M&L for air termination, single pointed aluminium rod 12 mm dia and 300 mm long including fixing arrangement with porcelain saddles/insulators, fixing screws etc. complete all as specified and as directed.

Dismantling the earth chamber, Excavation and removing the u/s earthing materials along with u/s earth electrodes from the existing u/s earth pits pertains to installations/ buildings and M/L for providing earthing with GI earth plate electrode 600 x 600 x 6 mm thick burried directly in ground vertically to depth of not less than 2.25 mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to GI earth strip of 25x4mm by means of bolts, nuts, washers of GI and provision of earth lead, GI protection pipe with 15mm light grade galvanized including necessary earth work in any type of soil, PCC 1:3:6 type CI (using 20mm graded stone aggregate) earth chamber and 1:2:4 type B1 RCC cover fitted with50mm thick with 6mm dia MS bars complete all as shown in SSR Pt - 1 electrical plate No 3. Note : Quoted rate deemed to include the cost or excavation and earth work PCC Chamber, funnel cover etc.

Disconnection and removing the unserviceable GI earth strip and M&L for galvanised iron strip 25x4mm fixing to wall/pillar of OHT reservoir complete all specified and as directed.

S&F in replacement porcelain vitreous insulator to accommodate earth continuity conductor of size 25x4mm along with fixing materials complete all as directed. Make:- Jaipuria / Southern Electricals

S&F in replacement Mild steel plates, plain or chequered, 5mm thick cut to shape and size to match with the existing duct of pump houses and painting the same with two coats of synthetic enamel paint over one coat of red oxide primer all as specified and directed by Engineer in charge

Demolition of plain cement concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) complete all as specified and as directed.

Material and labour for providing Pre-cast cement concrete block masonry with Grade 'C' solid block, not exceeding 10 cm in width, having minimum compressive strength of 50 Kg / Sq cm as per IS 2185 (Part-I) 2005 and set in CM 1:6 complete all as specified.

M&L for rendering 15mm thick on fair faces of brick work or concrete surface in CM 1:4 surface finished even and fair complete all as specified.

M&L for preparation of old painted steel and iron surfaces of GI/CI/DI pipe of any dia by applying one coat of synthetic enamel paint (first quality) matching with existing colours complete all as specified and as directed.

Dismantling the existing water level indication system and M&L for over head tank water level indicating system comprising with the following Sl Items including cutting, welding, jointing & framing with 50x50x6 mm thick MS angle iron complete all as specified and as directed by Engr-in-Charge. Scope of water level indicator :- (i) level indicator made up of GI sheet of width 1 feet and length 5 mtr approx supporting with MS angle iron of size 50x50x6 mm duly marked the water level from zero to maximum storage capacity of water tank. (ii) guidance strip for level indicator. (iii) PVC float ball of 300mm dia including with connecting arrangement. (iv) Stainless steel rope of 3mm dia that connects the float ball and level indicator including with all connected accessories. (v) Pulley system for the rope movement. Note :- The quoted rate shall deemed to include for drilling/PCC work if any required.

Disconnection and removing the unserviceable Sluice Valve 150mm dia and S & F Sluice Valve 150mm dia PN 1.6, Non raising type, brass spindle with hand wheel head including jointing material, complete all as specified and directed.

All as per Sl Item No. 114 here-in-before but 100 mm dia.

S & F DI specials such as bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch, "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs upto 150mm bore complete all as specified and as directed.

M&L for Chemical and Bacteriological and platelets testing to ascertain the Portability of water samples from CMC/Bore well supply for every 06 months to avoid anticipated water borne diseases (if any) from source to end points of various locations from recognized laboratory duly approved by Central and State Government and submit the test results duly signed by Lab Authorities complete all as specified and as directed. Note:- 1. All the materials required for collection of samples duly sterilized to be provided by the contractor. 2. All Expenditure, and transportation charges deemed to be inclusive in the unit rate.

M&L for dismantling of MS/GI Pipe Connections from the Pressure sand filter plant of capacity 14.5 LPS, opening the manhole and removal/taking out old filter medias completely from chamber and depositing the same to a distance not exc. 100 metre and scrapping, washing inside the filter vessel and re-fixing the pipes in the original existing position after replacement of unserviceable nozzle including replacement of gasket of manhole cover and necessary Bolts, Nuts, Washers, etc. as required and writing date of cleaning and due date with paint of specific colour and complete all as specified and as directed by Engr-in-Charge. NOTE :- (a) Nozzle shall be measured and paid separately under appropriate Sl Item as 'Supply only' here-in-after. (b) Filling of Filter Media shall be measured and paid separately under appropriate Sl Items here-in-after.

Supply only new nozzles industrial type of existing suitable dia for water filtration plant complete all as specified and as directed.

M&L Fresh Gravel of size 40 mm to 25 mm suitable for drinking purpose (as approved), filling in the pressure sand filter after washing, cleaning, removing dust, dirts, etc. in layers, complete all as specified and as directed.

M&L Fresh Gravel of size 20 mm to 15 mm suitable for drinking purpose (as approved), filling in the pressure sand filter after washing, cleaning, removing dust, dirts, etc. in layers, complete all as specified and as directed.

M&L Fresh Gravel of size 12 mm to 10 mm suitable for drinking purpose (as approved), filling in the pressure sand filter after washing, cleaning, removing dust, dirts, etc. in layers, complete all as specified and as directed.

M&L Fresh Gravel of size 6 mm to 2 mm suitable for drinking purpose (as approved), filling in the pressure sand filter after washing, cleaning, removing dust, dirts, etc. in layers, complete all as specified and as directed.

M&L Fresh Sand of size 0.45 mm to 0.70 mm and co-efficient of uniformity shall be between 1.3 to 1.7 and Silica content should be not less than 90%, filling in layers in the Filter Beds, complete all as specified and as directed.

Taking up or down MS ERW steel tubing with fittings complete including cutting the pipe all as specified and as directed.

Supply and fix MS ERW pipe line of dia 150 mm bore suitable for existing pressure sand filter, bearing ISI Mark , along with the fittings including welding work complete all as specified and directed.

All as per Sl Item No. 126 here-in-before but 100 mm bore.

Disconnection and removing the unserviceable butterfly Valve 150mm dia and S & F butterfly Valve 150mm dia PN 1.6 including jointing material complete all as specified and directed.

All as per Sl Item No. 128 here-in-before but 100 mm bore.

Disconnection and removing the old DI pipe and supply, fix, test and commissioning of Ductile iron pipes 100mm dia with spigot and socket ends, centrifugally cast, class K-7, bearing ISI mark, in any length including jointing materials laid in trenches complete all as specified and directed.

All as per Sl Item No 130 here in before but pipe of 150mm dia

S&F in replacement of MS sheet cover of size 1 mtr x 1 mtr fabricated out of 3mm thick sheet with angle iron frame made out of 40mm x 40mm x 5mm and locking arrangement incl painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed .

S&F in replacement of MS sheet cover of size 90 cm x 90 cm fabricated out of 3mm thick sheet with angle iron frame made out of 40mm x 40mm x 5mm and locking arrangement incl painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed .

Mr Madhusudhan Kotarki (BID ID -3440372)