REPAIR/MAINT OF SEWAGE TREATMENT PLANT,CI/GI PIPES,DOSING PUMPS,FILTER MEDIA AND ALLIED WORKS IN MINNIE BAY AND VAYU VIHAR AND BROOKSHABAD UNDER AGE E/M-II AT GE MINNIEBAY, PORT BLAIR

Amount

M/L of cleaning of Oil and Grease chamber, Screening Bar and Centifuse filter press and cleaning a week for pumps and DG set at Sewage Treatment Plant of capacity 200 KLD at Brookshbad for (electrically operated containing the machinery of following capacity through out including cleaning the pumping sets,DG sets, control panel, pump house building and arround the installation as and when required including providing and maintaining the log sheet for pump sets and Engine all as specified and as directed. Note :- (i) All chemicals required for smooth functioning of STP shall be measured and paid separately under appropriate items as mentioned below. (ii) Cleaning of Oil and Grease chamber, Screening Bar and Centifuse filter press and removal of cake shall be carried out by one sweeper employed a week .

All as per item No.01.00 above but 125 KLD Sewage treatment plant at Ajay Baugh area complete all as specified and as directed by Engr-in-Charge

All as per item No.01.00 above but 50 KLD Sewage treatment plant at Pereira enclave area complete all as specified and as directed by Engr-in-Charge

M&L in collection of dried sludge cake in a month and disposed of safely in suitable location of distance not more than 10 KM form STP Minniebay complete all as specified and as directed by Engr-in-Charge

M&L for collecting the waste water/effluent sample monthly from STP(Minniebay and Brookshbad) before and after treatment, sample handling, transporting to NABL accredited lab approved by Govt of india, carry out the analysis of the following parameters confirming latest IS Norms31-05-2023 complete all as specified and as directed by Engr-in-Charge (a) BOD(Bio chemical Oxygen Demand) (b) COD (Chemical Oxygen Demand) (c) TSS(Total Suspended Solids) (d) Total dissolved solids (e) Turbidity (f) Ph

M&L for cleaning of underground sewage treated water sump 50000 liter by using pump set or mechanical means (b) Removing muds, silt sand etc from inside of tank and depositing in pit (depth of pit not less than 1.5m) to a distance n.exc 50 m from tank including excavation of pit of suitable size and returning, filling etc cleaning of tank with water (c ) Removing moulds, moss,foreign materials etc from the internal surfaces of tank and from the mouth of pipe by scrapping with steel brushes or steel scrapping, disposing off waste materials to a distance n.exc 50m and cleaning the internal surface with clean water and disinfectant. (d) Spreading the thin layers of bleaching powder over the entire internal surface area of tank approximately 142 sqm,internally and washing with clean water. (f) Applying one coat of acrylic exterior emulsion paint to the external surfaces of sump including preparation of surfaces complete all as specified and directed by Engineer-in-Charge.

All as per item No. 06.00 above but 15000 ltr capacity of sewage treated water sump complete all as specified and directed by Engineer-in-Charge.

Dismantling of non - clogging sewage submersible pumping set of 1HP/2 HP capacity from and transportation to workshop for repair dismantlng of pumping set complete segregating the serviceable parts for re-use and removing the defective parts, repair the pump thoroughly including machine work, re-assembling the pump set ,making all electrical connection and commissioning testing complete on full load to the entire satisfaction complete all as specified and as directed by Engr-in-Charge Note: New spares shall be measured and paid separately under relevant items as "Supply only"

M&L for repair of non cloging pump submersible type by checking and cleaning thoroughly and replacing the following defective parts, reassembling the same and testing including installation in position complete all as specified and directed by Engineer-in-Charge. (a) Line shaft - 04 Nos (b) Bearings - 08 Nos (c) Water seal - 06 Nos (d) Casing king key - 06 Nos (e) Gland - 06 Nos

M&L for two coats of colour wash over MBBR-1,MBBR-2 out side surface including preparation of old painted surfaces with sand paper and making the surface smooth complete all as specified and directed by Engineer-in-Charge.

M&L for two coats of colour wash over Tube settler out side surface including preparation of old painted surfaces with sand paper and making the surface smooth complete all as specified and directed by Engineer-in-Charge.

M&L for two coats of colour wash over Chlorine cum filter feed tank out side surface including preparation of old painted surfaces with sand paper and making the surface smooth complete all as specified and directed by Engineer-in-Charge.

M&L for two coats of Synthetic enamel paint over a coat of red oxide primer of Dual media filter/Activated carbon filter of size 1000mm dia x 1500mm inside and outside including conformation of removal of old filter media and preparation of old painted surfaces with sand paper and making the surface smooth complete all as specified and directed by Engineer-in-Charge.

Taking down dosing pump of 1HP and rewinding the same with suitable gauge of copper conductor as per recommendation of OEM and testing for smooth functioning complete all as specified and directed by Engineer in charge.

Taking down agitator and rewinding the same with suitable gauge of copper conductor as per recommendation of OEM and testing for smooth functioning complete all as specified and directed by Engineer in charge.

Taking down filter feed pump of capacity 3 HP and rewinding the same with suitable gauge of copper conductor as per recommendation of OEM and testing for smooth functioning complete all as specified and directed by Engineer in charge.

Dismantling the Electrical connection from motor and taking out the burnt 5 HP motor from beds ,transporting to civil work shop ,opening the motor and removing the burnt/old defective winding carefully cleaning the inner parts, rewinding the motor with same gauge super enamelled copper wire of good insulation as per OEM recommendation, varnishing, heating/drying and reassembling the motor and transporting to site , refixing on the existing beds ,connecting the electrical connection ,testing and commissioning complete all as specified and directed by Engineer in charge.

M&L for servicing/overhauling the monoblock pump and motor 5 HP and replacing the defective bearing, greasing replacing the burnout gland rope, studs, nuts, bolts, washers ,air releasing valve ,rubber gasket ,metal filling, turing/ grinding and balancing the shaft etc. varnishing the copper winding, drying and refixing the same complete all as specified and directed by Engineer in charge.

Disconnection of electrical connection and dismantling of 10 HP non cloging monoblock pump from secondary clarifier mechanism, removing worn out winding wire from stator slots, rewinding with super enameled copper wire of suitable gauge with proper insulationas per OEM recommendation and replacement of front and rear bearing, assembling and reconnection electrical connection the same as existing and testing complete all as specified and directed by Engineer in charge.

Supply and fixing in repair the following spares for dosing pumps at various locations as per OEM recommended complete all as specified and directed by Engineer in charge.

Ring seal teflon

Stroke knob

Pump panel box assy

3/16 " x 3/4" pan head screw

Pulser with varistor

Taking down air blower from the existing position after disconnecting all electrical connection and transportation to workshop for repair for un-serviceable parts complete and removing the defective parts, repair the air blower thoroughly including machine work and re-assembling the air blower and commssioning testing complete on full load complete all as specified and directed by Engineer in charge.

Disconnecting and isolating the air compressor/Air Blower of any capacity from the system by placing dummy plates to suction and discharge valves, opening the compressor, removing all internal parts cleaning of all parts thoroughly, segregating unserviceable spare parts, colplete service of compressors, supply and replacing the worn out parts viz., and replaced with new ones, refixing/reassembling the compressor unit, oil changing, testing for removing the dummy plates, leak testing of the compressor, testing and commissioning the compressor complete all as specified and directed by Engineer in charge. Note: old unserviceable spares shall be measured and paid separately under relevant item as " Supply only"

Supply and only 10 HP air blower 'V' belt of sewage treatment plant complete all as specified and as directed by Engr-in-Charge

Supply and only 15 KVA DG set 'V' belt of sewage treatment plant complete all as specified and as directed by Engr-in-Charge

Supply and only star coupling of suitable size pump complete all as specified and as directed by Engr-in-Charge

Supply and only dosing pipe of suitable size of dosing pump complete all as specified and as directed by Engr-in-Charge

Supply and only NRV of suitable size of dosing pump complete all as specified and as directed by Engr-in-Charge

Supply and only the following spares for filter feed pumps of capacity 3 HP at various locations including taking down of filter feed pumps complete all as specified and as directed by Engr-in-Charge

Pump impeller

Pump line shaft

Ball bearing

Pump water seal

Gland packing

Supply and only the following spares for filter feed pumps of capacity 5HP at various locations including taking down of filter feed pumps directed by Engineer-in charge.

Pump impeller

Pump line shaft

Pump ball bearing

Pump water seal

Pump Gland

Dismantling of diffusers from diffuser grid assembly of aeration tank and replacement of fine bubble type diffuser made of EPDM rubber extruded, diffuser frame fastener etc complete all as specified and as directed by Engr-in-Charge

Supply and fixing flat submersible 1100 Volts grade, 3 core copper conductor PVC FRLSH insulated and PVC sheathed cable of 6 Sq mm including taking down old material complete all as specified and as directed by Engr-in-Charge

M & L for cleaning the Raw sewage collection RCC sump of size as per site.The cleaning includes the followings operations complete all as specified and as directed by Engr-in-Charge Dewatering the sump with portable submersible pump,Removal of left over dirty water and sludge with a special sludge removal pump and jet water,Removal of remaining sludge from the floor with the help of industrial vacuum Cleaner,Spraying of Non-toxic, bio-degradable, eco-friendly anti-bacterial agent, to disinfect the tank from all harmful pathogens.

Material and labour for cleaning of internal wall of Mild Steel Activated carbon filter / MS Dual media filter of size 1000mm dia and 1500mm height for removing the filter media by brushing with nylon brush and using bleaching powder and cleaning of existing pipe holes after refilling of new filter media and painting work complete all as specified and as directed by Engr-in-Charge

Taking out defective pebbles and supply and Laying filter media (pebbles) of size 5mm and 3mm in filter beds complete all as specified and as directed by Engr-in-Charge

Taking out defective coarse gravel and supply and laying filter media (coarse gravel/fine gravel) in filter bed complete all as specified and as directed by Engr-in-Charge

Taking out defective carbon media and supply and Laying carbon filter media-IV 800 to 1000 (iodine value) for two number of filter complete all as specified and as directed by Engr-in-Charge

M & L for replacing fine sand in filter media beds of required proportion,quality adhering to IS norms complete all as specified and directed by Engineer-in-Charge. Note : PV and test certificate shall be submitted along with RAR/FB for payment purpose.

Supply and fixing LED flood light 120 watt 230 VAC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp complete all as specified and as directed by Engr-in-Charge

Supply and fixing in repairs Butterfly valves ISI Marked lever operated body grey cast iron of size 65mm bore, with all fittings confirming to IS specification complete all as specified and as directed by Engr-in-Charge

Supply and fixing in repairs Butterfly valves ISI Marked lever operated body grey cast iron of size 50 mm bore, with all fittings confirming to IS specification complete all as specified and as directed by Engr-in-Charge

Supply and fixing in repairs Butterfly valves ISI Marked lever operated body grey cast iron of size 25 mm bore, with all fittings confirming to IS specification complete all as specified and as directed by Engr-in-Charge

Supply and fixing in repairs Non return valvesISI marked body grey cast iron of size 50 mm bore, with all fittings confirming to IS specification complete all as specified and as directed by Engr-in-Charge

Supply and fix in repair LED 60 W streetlight ISI Marked made up of pressure die cast housing with toughened glass and high power LEDs with option of secondary optic with IP65 protection complete all as specified and as directed by Engr-in-Charge

M&L for earthing complete with Galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mir deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanized earth strip 32x6 mm size connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 20 mm dia GI pipe medium grade for protection of GI earth lead and 40mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type CI chamber. MS funnel, wire gauge. 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos. 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I.Note: complete all as specified and as directed by Engr-in-Charge (i) Cost of GI earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returninng & filling, PCC chamber pit, RCC cover & test point.(iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit. (iv) All accessories required for galvanised steel plate electrode required, as specified and as directed.

S&F in replacement dosing pump with automatic operation having discharge flow 0-50 LPH suitable for chemical dosing complete all as specified and as directed by Engr-in-Charge

Excavation in trenches not exc 1.5m in wide and not exc 1.5 m in depth and getting out in hard/dense soil for laying of cables complete all as specified and as directed by Engr-in-Charge

Returning filling in including spreading , levelling, watering and well ramming in layers not exc 25cm in hard/dense soil complete all as specified and as directed by Engr-in-Charge

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point complete all as specified and as directed by Engr-in-Charge

Supply and fix in replacement of UPVC ball valve suitable for 40/50 mm UPVC pipe complete all as specified and as directed by Engr-in-Charge..

Supply and fix in replacement of UPVC multifunctional butterfly valve suitable for 40/50 mm UPVC pipe complete all as specified and as directed by Engr-in-Charge.

Supply and fix in replacement of 50mm dia UPVC pipes including fittings like elbow, tee, band etc on walls/ceilings/laying in trenches complete all as specified and as directed by Engr-in-Charge..

Supply and fix in replacement of air flow meter of suitable size of pipe complete all as specified and as directed by Engr-in-Charge..

M & L for grass cutting with the help of Petrol Grass cutting machine all around the installation of Brookshbad,Ajay baug area and pereira enclave area. Note: 1.The grass cutting machine shall be provided by the Contractor. 2. The rate is deemed to include cost towards tools, fuel and transportation required for attending the vegetation work.

Disconnection electrical connection of pressure pump of RO Plant capacity 7.5HP/5.5KW and taking out complate assembly with electric motor, transporting to workshop and testiing the complete and refixing with new nuts, bolts & washers and same as fitting the existing position and commissioning, testing for soomth running condition complete all as specified and as directed by Engr-in-Charge

Repair/replacement of filter media 4x30", capacity 5000ltrs/hr as per existing filter in RO Plant along with rubber ring complete all as specified and as directed by Engr-in-Charge

Repair/replacement of micron filter of size 2.5x30", capacity 5000ltrs/hr as per existing filter in RO Plant along with rubber ring complete all as specified and as directed by Engr-in-Charge

Supply and fix in replacement of sand filter Media (MSF) of capacity of 5000 LPH media Dual-sand and anthracite including suitable filter media complete all as specified and as directed by Engr-in-Charge

Supply and fix in replacement of Activated carbon filter (ASF) 5000 LPH media Activated Carbon 900IV, Micron rating-10/5 Micron, including suitable filter media complete all as specified and as directed by Engr-in-Charge

S&F in repairs GI tubes medium grade ISI marked galvanized with all fittings laid in trenches/fixed on wall/on roof etc of the folloing sizes :-complete all as specified and as directed by Engr-in-Charge

20mm dia

25mm dia

40mm dia

50mm dia

Supply and fixing in replacement Gun Metal, globe or gate valves ISI Marked with iron wheel head, screwed both ends for iron pipe. complete all as specified and as directed by Engr-in-Charge

20 mm bore

25 mm bore

40mm bore

50 mm bore

Supply and fix in repair brass impact automatic rotating water sprinkler with nozzle heavy duty irrigation head (20 mm or 3/4 inch) complete all as specified and as directed by Engr-in-Charge

Disconnecting and removing the unserviceable burnt out over load relays of switching current of 5A, 240V AC and coil voltage 28V DC of capacity from position and replacing the same with new over load relays including connecting and testing complete all as specified and as directed by Engr-in-Charge

S&F in repairs 4 pole MCCB 160Amp having current carrying capacities with adjustable thermal and fixed magnetic settings, 50Hz, 50KA, 415 volt, conforms to IEC -60947-II/ IS-13947-II including provision of copper cable/ extended terminals of suitable ratings from MCCBs to busbar and connection of LT cables with MCCBs with suitable size aluminium lugs including dismantling of unserviceable MCCBs from the panel boards complete all as specified and as directed by Engr-in-Charge

All as per Sl item No. 87.00 above but 100 Amp, 50KA

All as per Sl item No. 87.00 above but 63 Amp, 50 KA

All as per Sl item No. 87.00 above but 32 Amp, 50 KA

M&L, painting of monoblock pumpset/centrifugal pumpsets/air blower including induction motor of any types with one coat of synthetic enamel paint by using spray gun machine after removing all dust and rust and writing date of painting with black synthetic enamel paint complete all as specified and as directed by Engr-in-Charge

Taking out unserviceable LED type indicator lamp unit from the panel boards and supply and fix new LED type indicator lamp unit of red/ yellow/ blue/ green/ Amber with bulb complete all as specified and as directed by Engr-in-Charge

Supply only 2mm thick rubber mat 2x1m width for installation as directed complete all as specified and as directed by Engr-in-Charge

Disconnecting and removing unserviceable star coupling assembly set from the pump motor and drive system, supply and fixing new star coupling set of sizes 100/110/ 150/226 with nuts, bolts including making alignment and testing complete all as specified and as directed by Engr-in-Charge

Supply and fix in repairs gland packing with Graphite Gland Rope of size 10mm complete all as specified and as directed by Engr-in-Charge

Supply only PH test Kit including all testing materials complete all as specified and as directed by Engr-in-Charge

Supply only Ortho Tolidine solution in 500ml bottle pack complete all as specified and as directed by Engr-in-Charge

Supply and fix in replacement LED street light fitting 45 watts with built in electronic driver and LEDs housed in pressure die cast aluminium housing with toughened glass and silicon gasket for IP66 degree of protection including GI pipe bracket made up of 25mm dia medium grade GI pipe of length 1.50m bent to required shape and fixing on steel tubular round poles with suitable MS clamps(02Nos) made up of 40mmx5mm MS flat, nuts, bolts and washers including taking down existing street light fitting of any description complete all as specified and as directed by Engr-in-Charge

Supply only lubricant oil suitable for dosing pump and pumpset/compressor as per sample complete all as specified and as directed by Engr-in-Charge

S&F in replacement of pressure switch of pump set complete all as specified and as directed by Engr-in-Charge

S&F in repairs non clog type submersible pumps single phase head 14 to 22 m discharge 69 to 64 LPM with suitable size delivery hose pipe upto 10 m length ,suitable starters with 30 m long submersible cable complete all as specified and as directed by Engr-in-Charge

S&F in repairs pneumatic solenoid valve as per sample for STP complete all as specified and as directed by Engr-in-Charge

S&F in repairs foot valve as per sample for STP complete all as specified and as directed by Engr-in-Charge

S&F in repairs 5 Hp monoblock pumpset of capacity head 14 to 28 m ,discharge 7.5 to 2 LPS with suitable starter complete all as specified and as directed by Engr-in-Charge

Supply only flexible PVC hose 25mm dia complete all as specified and as directed by Engr-in-Charge

S & F Single Phase Preventor (SPP) Suitable for submersible/pump set starter.Make :Minilake or eqvt make approved by GE. complete all as specified and as directed by Engr-in-Charge

Disconnecting and removing the unserviceable DOL starter and supply, install testing and commissioning of DOL starter for the motors for the capacity of 7.5 HP, 415 Volts in sheet steel encloser including dismantling existing old motor starter from its location by removing all cable connections complete all as specified and as directed by Engineer-in-Charge. Make: L & T MK 01DOL or eqvalent in BCH

All as per item No. 107.00 above but 3 - 5 HP complete all as specified and as directed by Engr-in-Charge

M&L for schematic diagram for Sewage treatment plant at various locations under AGE E/M II duly framed with lamination sheet cover of areas not less than 1.5mX1m fixed on wall / GI pipe including fixing accessories complete all as specified and as directed by Engr-in-Charge

Material and labour for repair/servicing the existing LT panel at various locations of STP plant opening the front and back doors cleaning the inside compartments, opening the busbar chamber covers, replacing worn out inter connections, with suitable size of cables, replacing the rusted bolt nut washers, tightening the complete bolt nuts, earth connections etc, refixing the covers also providing 2 Nos of new LT danger notice board stickers, testing commissioning all as required at site complete all as specified and as directed by Engr-in-Charge

Material and labour for preparing external surfaces of LT panel /pump panel at various locations completely removing the all dust and dirt including rust and applying one coat of approved existing shade of synthetic enamel painting including writing the required details as existing complete all as specified and as directed by Engr-in-Charge

M&L for in replacement of fabrication of MS ladder at local civil work shop made out of angle iron of size 65x65x6mm for main member, 50x50x6mm for steps and 40x40x5mm for support to existing wall of the building/semi UG sump including necessary cutting, welding, grinding etc, the distance between two consecutive steps shall be 0.30 mtr the distance between 1st step and ground level shall be 1 mtr and over all width of the ladder shall be 0.68mtr total length of the ladder shall be suitable for Semi UG Sumps transporting to site in Minniebay Area, grouting the ladder in ground (at various locations of Minniebay area) and grouting the supporting angle iron member with existing wall with PCC 1:2: and top of the ladder shall be supported with inner compartment wall/or riveted or forged into spikes including painting with two coat of anti corrosive paint over a coat of red oxide primer all as specified and directed complete all as specified and as directed by Engr-in-Charge

Supply, lay, testing and commissioning UG cable XLPE insulated, armored heavy duty electric cable, 1100 volts grade with stranded aluminium conductor in trenches including suitable size of double grip cable gland and joiinting etc complete for the following sizes :- 3.5 core 95 Sqmm.complete all as specified and as directed by Engr-in-Charge

Supply, lay, testing and commissioning UG cable XLPE insulated, armored heavy duty electric cable, 1100 volts grade with stranded aluminium conductor in trenches including suitable size of double grip cable gland and joiinting etc complete for the following sizes :- 4 core 16 Sqmm.complete all as specified and as directed by Engr-in-Charge

Supply and fix sluice valve 80 mm bore ISI marked class PN1.0 including flange screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed all as specified and directed by Engr-in-Charge.

Supply and fix sluice valve 100 mm bore ISI marked class PN 1.0 including flange screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed all as specified and directed by Engr-in-Charge.

KAPOOR AUTOMOBILES

M/s S A Traders

SHUBHAM SHANKAR GAIKWAD

Prasur Electricals & Engineering Co.

bansal construction

Kathir Marketing Services

Sree Tirumala Enterprises