SPECIAL REPAIR/ REPLACEMENT OF CENTRIFUGAL PUMPS, SUBMERSIBLE PUMPS AND CONNECTED ITEMS AGAINST BER AT SMQ AREA AND TECHNICAL AREA AND PROVN OF NON - CLOGGED SEWAGE PUMPS FOR SWT AND SEWAGE SUMPS AT DOMASTIC AND TECHNICAL AREA AND WORK SERVICES

Amount

Supply, installation, testing and commissioning of centrifugal mono block pump cast iron body, copper winding, impeller-cast iron, delivery casing-cost iron, shaft-carbon steel, head 07-13 Mtr, RPM-2800, discharge flow 2.5 to 6.5 LPS at minimum 13m head with, delivery pipe size-50 mm, horizontal type, inlet 50mm capacity 1HP/0.75 KW, single phase, 220 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed. Make: Kirloskar Model : KDS-113 LP LV or equivalent as given in list of makes

Supply, installation, testing and commissioning of centrifugal mono block pump cast iron body, copper winding, impeller- bronze, delivery casing-cast iron, shaft-stainless steel, head 12-19m, RPM-2840, discharge flow 4.5 to 13.4 LPS at minimum 13m head with, delivery pipe size - 65 mm, horizontal type, suction 80mm capacity 3HP/2.20KW, three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed. Make : Kirloskar Model: KDI or equivalent as given in list of makes

Supply, installation, testing and commissioning of centrifugal mono block pump cast iron body, copper winding, impeller- bronze, delivery casing-cast iron, shaft-stainless steel, head 28-48m, RPM-2900 and above, discharge flow 10 to 17 LPS at minimum 48m head with, delivery pipe size -80mm, horizontal type, suction 65mm capacity 12.5HP/9.3KW, three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed. Make : Kirloskar Model: KDI or equivalent as given in list of makes

Supply, installation, testing and commissioning of submersible pump 7 stage three phase capacity 7.5 HP/ 5.5 KW, 415 volt, 50 Hz, Head 49-74m, outlet dia 50 mm, discharge 230-256 LPM AC supply including mounting bracket and safe gaurd tie all as per manufacturer's instructions complete all as specified and as directed.

Supply, installation, testing and commissioning of centrifugal mono block pump cast iron body, copper winding, impeller- bronze, delivery casing-cast iron, shaft-stainless steel, head 12-24m, RPM-2900 and above, discharge flow 16 to 25 LPS at minimum 24m head with, delivery pipe size 100mm, horizontal type, suction 100mm capacity 7.5HP/5.5KW, three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed. Make : Kirloskar Model: KDI or equivalent as given in list of makes

Supply, installation, testing and commissioning of open well non clogged vertical single, submersible pump cast iron body, dewatering submersible pump item code 2200CW discharge capacity 3 LPS to 7.5 LPS, head 14-22m, insulation 'B', delivery casing cast iron, impeller cast iron, RPM 2840, pump shaft-stainless steel, mehanical seal, construction for pumping all types of sewage and effluent in water treatment and industry, especially untreated sewage with long fibers and solid substances, with raw activated and disgusted sludge, capacity of 3 HP/2.2 KW, electric driven 415V, 50 Hz, 3 Phase suitable or 50 mm dia outlet pipe pump casing-cast iron, AC supply and installed complete all as specified and as directed. Make: KSB, model Eterna of kirloskar or equivalent as given in list of makes

Supply, installation, testing and commissioning of open well non clogge vertical, submersible pump, cast iron body, dewatering submersible pump, item code 5500CW discharge capacity 8 LPM to 24 LPM, head 8 to 23.5 Mtr, insulation 'B', delivery casing cast iron, impeller cast iron, RPM 2900, pump shaft-stainless steel, mehanical seal, construction for pumping all types of sewage and effluent in water treatment and industry, especially untreated sewage with long fibers and solid substances, with raw activated and disgusted sludge, capacity of 7.5 HP/5.5 KW, electric driven 415V, 50 Hz, 3 Phase suitable or 80mm dia outlet pipe pump casing-cast iron, AC supply and installed complete all as specified and as directed. Make: KSB, model Eterna of kirloskar or equivalent as given in list of makes

Supply, installation, testing and commissioning of centrifugal mono block pump cast iron body, copper winding, impeller- bronze, delivery casing-cast iron, shaft-stainless steel, head 18-29m, RPM-2900 and above, discharge flow 13.5 to 32 LPS at minimum 29 mtrs head with, delivery pipe size 100mm, horizontal type, suction 100mm capacity 10HP/ 7.5KW, three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc., PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed. Make : Kirloskar, Model:KDI or equivalent as given in list of makes

Supply, installation, testing and commissioning of air blower AB-57 along with capacity of 15 HP RPM 1440 including all necessary fittings, clamps, connected electrical wire, base PCC foundation, foundation nuts, bolts & washers as per manufacturer' instructions complete all as specified and as directed.

Supply, installation, testing and commissioning of Horizontal centrifugal end suction pump model DB 80/20xe, with CI body, CI impeller, CS shaft, gland packed, coupled to 30KW/40 HP, 2950 RPM, TEFC sq. Cage, 3 PH, induction motor foot mounted on a common base frame with coupling guard suitable for 35 [email protected] Mtr head three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc., PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed.

Supply, installation, testing and commissioning of Horizontal multistage pump model RKB 65/19L, 9 stages with CI body, CI impeller, CS shaft, gland packed, coupled to 18.50KW/25 HP, 1465 RPM, TEFC sq. Cage, 3 PH, induction motor foot mounted on a common base frame with coupling guard suitable for 450 LPM@100 Mtr head three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed.

Taking down unsv pump/ motors of any size be disconnecting from suction and delivery head , electrical cables and valves from open well/ shallow well/ bore well/ UG sumps and transport to E/M yard then handover to concerned JE E/M without damaged complete all as specified and as directed by Engr-in-Charge. Note: AGE E/M make proper receipt voucher from the contractor

Supply and fix in replacement of starter delta starter control panel 1 HP capacity, single phase, voltage range 440 volt, relay range 1.5 A to 2.5 A, made out of SS enclosure and poweder coated (1 No), ON/OFF push buttun (01 Set). phase indication lamp (2 sets) ammeter and voltmeter (One set), Slector switch (Two Nos) all mentione items shall be mounted along with enclosure with proper locking arrangement with over load relay of suitable range complete all as specified and as directed by Engr-inCharge

Design, Supply, installing testing and commissioning factory fabricated indoor type totally enclosed LT cubical starter panel board suitable for 250 Amps incomer with busbar, conforming to relevant IS and protection class IP-65, dust, vermin and weather proof fabricated out of 3.15mm thick CRCA sheet duly powder coated, mounted on 50x50x6mm MS angle iron frame, duly welded in shape and coated with two coats powder coated including necessary grouting of legs 300mm deep in ground in PCC 1:4:8 type D2 using 40mm graded stone aggregate, panel base to be 500mm above ground level with suitable compartments for controls and monitors including, motor protection relay, earth relay cable glands for incoming and outgoing cables, locking arrangement, including necessary internal panel wiring with suitable size of copper wire PVC insulated & sheathed multi stranded comprising the following items complete all as specified and as directed by Engr-in-Charge

Supply and fix in replacement of Submersible water proof flat type cable 3 core 16 Sqmm copper cable complete all as specified and as directed by Engineer-in-Charge.

All as per item No 21 here-in-before, but of 3 core 10 Sqmm

All as per item No 21 here-in-before, but of 3 core 6 Sqmm

All as per item No 21 here-in-before, but of 3 core 4 Sqmm

All as per item No 21 here-in-before, but of 3 core 2.5 Sqmm

Material and labour for Non return valve (NRV) valve 1.6 PN complete conforming to IS:1969 double flanged and drilled including bolts, nuts, washers, gasket etc complete and dismantling of old u/s valve of size 100 mm dia complete all as specified and as directed by Engineer-in-Charge.

All as per item No 26 here-in-before, but of 80mm dia

All as per item No 26 here-in-before, but of 65mm dia

All as per item No 26 here-in-before, but of 50mm dia

Material and labour for GI tubing of size 50mm dia, heavy grade, ISI marked with all fitting/ accessories for protection of cable on pole/ wall and under road crossing including clamps, nuts, bolts etc including taking down of existing pipe of any description complete all as specified and as directed by Engineer-in-Charge. Note: Cutting existing road, excavation and 150mm thick PCC 1:2:4 type B1 as in road shall be measured and paid separately.

All as per item No 30 here-in-before, but of 65mm dia

All as per item No 30 here-in-before, but of 80mm dia

All as per item No 30 here-in-before, but of 100mm dia

All as per item No 30 here-in-before, but of 25mm dia

Supply and fix in replacement of Gun Metal gate or globe valve with iron wheel head screwed both ends for iron pipes and of 25mm dia bore including fixing accessories complete all as specified and as directed.

All as per item No 35 here-in-before, but of 50mm dia

All as per item No 35 here-in-before, but of 65mm dia

Supply and fix in replacement of sluice valve, cast iron body, stainless steel spindle, gun metal rings including wheel for operation, flanged and drilled, suitable for 150mm dia pipes, confirming to IS-14846, class PN-1.6, long body type including all joints with rubber gasket and jointing materials, bolts, nuts, washer complete all as specified and as directed.

All as per item No 38 here-in-before, but of 100mm dia

All as per item No 38 here-in-before, but of 80mm dia

Supply and fix in replacement of CI butterfly valve of size 150mm bore, confirming to IS 13095, class PN 16 single eccentric, double flanged short body type, SS 316 DISC with all fittings, nuts, bolts and washers with necessary rubber gasket and screwed both ends complete all as specified and as directed.

All as per item No 41 here-in-before, but of 100mm dia

All as per item No 41 here-in-before, but of 80mm dia

Supply and lay MS pipes of size 100mm bore, heavy grade, conforming to IS:1239 Part-1 (2004) with all fittings laid in floors or fixed to walls and ceilings etc including taking down existing pipe complete all as specified and as directed.

Supply and lay MS pipes of size 80mm bore, heavy grade, conforming to IS:1239 Part-1 (2004) with all fittings laid in floors or fixed to walls and ceilings etc including taking down existing pipe complete all as specified and as directed.

Supply and laying UPVC pipe, class “SCH 40”, 100mm dia, conforming to IS 13592 with all fittings (specials) and fixtures including taking down old unserviceable pipe complete all as specified and as directed.

All as per item No 46 here-in-before, but of 75mm dia

All as per item No 46 here-in-before, but of 50mm dia

Supply and fixing in replacement of UPVC ball valve/ gate valve for fixing with proper joints and fittings size 100 mm all as specified and as directed by Engr -in-Charge.

All as per item No 49 here-in-before, but of 75/ 80mm dia

All as per item No 49 here-in-before, but of 50mm dia

Material and labour for plain cement concrete 1:2:4, type B1, using 20mm graded stone aggregate as in coping, apex stones etc including necessary form work complete all as specified and as directed.

Material and labour for plain cement concrete 1:2:4 type B2 using 40 mm graded stone aggregate in foundations, filling and mass-concrete complete all as specified and as directed

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre depth and getting out in hard/dense soil for laying of cable, pipes etc complete all as specified and as directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm in hard/ dense soil complete all as specified and as directed.

Removing excavated material (soil) not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point as directed by Engineer-in-charge

Suppy, installing, testing and commissioning of open well non-clog vertical dewatering submersible pump, cast iron body, item code 7500CW discharge capacity 1200 LPM to 2760 LPM, head 14 to 18 Mtr, insulation 'B', shaft steel carbon steel, construction for pumping all types of sewage and effluent in water treatment and industry, especially untreated sewage with long fibers and solid substances, with raw activated and disgusted sludge, capacity of 10 HP/7.5 KW, electric driven 415V, 50 Hz, 3 Phase suitable for 100/150 mm dia outlet pipe pump casing-cast iron IS FG 260, AC supply complete all as specified and as directed by Engr-in-Charge. Make: KSB, model: Eterna of Kirloskar or equivalent as approved list of makes

Suppy, installing, testing and commissioning of open well non-clog vertical dewatering submersible pump, cast iron body, item code 5500CW discharge capacity 750 LPM to 2200 LPM, head 14 to 18 Mtr, insulation 'B', shaft steel carbon steel, construction for pumping all types of sewage and effluent in water treatment and industry, especially untreated sewage with long fibers and solid substances, with raw activated and disgusted sludge, capacity of 7.5 HP/5.5 KW, electric driven 415V, 50 Hz, 3 Phase suitable for 80mm dia outlet pipe pump casing-cast iron IS FG 260, AC supply complete all as specified and as directed by Engr-in-Charge. Make: KSB, model: Eterna of Kirloskar or equivalent as approved list of makes

Suppy, installing, testing and commissioning of open well non-clog vertical single, dewatering submersible pump, cast iron body, item code 3700CW discharge capacity 450 LPM to 1800 LPM, head 15 Mtr, insulation 'B', shaft steel carbon steel, construction for pumping all types of sewage and effluent in water treatment and industry, especially untreated sewage with long fibers and solid substances, with raw activated and disgusted sludge, capacity of 5 HP/ 3.7 KW, electric driven 415V, 50 Hz, 3 Phase suitable for 65 mm dia outlet pipe pump casing-cast iron IS FG 260, AC supply complete all as specified and as directed by Engr-in-Charge. Make: KSB, model: Eterna of Kirloskar T11160125734 or equivalent as approved list of makes

Suppy, installing, testing and commissioning of open well non clog vertical single dewatering submersible pump, cast iron body, item code 2200CW discharge capacity 350 LPM to 1500 LPM, head 15 Mtr, insulation 'B', shaft steel carbon steel, construction for pumping all types of sewage and effluent in water treatment and industry, especially untreated sewage with long fibers and solid substances, with raw activated and disgusted sludge, capacity of 3 HP/2.2 KW, electric driven 415V, 50 Hz, 3 Phase suitable for 50 mm dia outlet pipe pump casing-cast iron IS FG 260, AC supply complete all as specified and as directed by Engr-in-Charge. Make: KSB, model: Eterna of Kirloskar T11160125334 or equivalent as approved list of makes

Supply, installation, testing and commissioning of centrifugal mono block pump, cast iron body, copper winding, impeller- cast iron, delivery casing-cast iron, shaft-stainles steel, head 25-30 Mtr, RPM-2920, discharge flow 1080-570 LPM at minimum 25m head with, delivery pipe size-65 mm, horizontal type, inlet 80mm capacity 7.5 HP/5.5KW, three phase, 415 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed by Engr-in-Charge

Supply, installation, testing and commissioning of centrifugal mono block pump, cast iron body, copper winding, impeller- cast iron, delivery casing-cast iron, SS steel, head 10-16 Mtr, RPM-3000, discharge flow 600-250 LPM at minimum 15 mtrs head with, delivery pipe size 50mm, horizontal type, inlet 65mm capacity 2 HP/1.5KW, single phase, 220 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed by Engr-in-Charge

Supply, installation, testing and commissioning of submersible pump 6 stage 3 phase capacity 7.5 HP/5.5 KW, 415 volt, 50 Hz, outlet dia 65 mm AC supply including as per manufacturer' instructions complete all as specified and as directed by Engr-in-Charge

Supply and fix of star delta starter control panel 10 HP capacity, 3 phase , voltage range 380 Volt to 475 volt, inbuilt phase fequiency corrector, relay range 21 A to 25 A , made out of SS encloseure and poweder coated with inbuilt MCCB 63 Amps MCCB 3 pole (1 No), ON/OFF push buttun (ONE Set). phase indication lamp (2 set) ammeter and voltmeter (One set), Slector switch (Two Nos) all mentione items shall be mounted on enclosure with proper locking arrangement with over load relay suitable range complete all as specified and as directed by Engr-in-Charge

Supply and fix Submersible water proof flat type cable 3 core 10 Sqmm copper cable complete all as specified and as directed by Engineer-in-Charge.

All as per item No 68 here-in-before, but of 3 core 6 Sqmm

All as per item No 68 here-in-before, but of 3 core 4 Sqmm

All as per item No 68 here-in-before, but of 3 core 2.5 Sqmm

Material and labour for Non return valve (NRV) valve 1.6 PN complete conforming to IS:1969 double flanged and drilled including bolts, nuts, washers, gasket etc of size 150 mm dia complete all as specified and as directed by Engineer-in-Charge.

All as per item No 72 here-in-before, but of 100mm dia

All as per item No 72 here-in-before, but of 80mm dia

All as per item No 72 here-in-before, but of 65mm dia

All as per item No 72 here-in-before, but of 50mm dia

Supply and laying UPVC pipe, class “SCH 40”, 100mm dia, conforming to IS 13592 with all fittings (specials) and fixtures complete all as specified and as directed.

All as per item No 77 here-in-before, but of 75mm dia

All as per item No 77 here-in-before, but of 50mm dia

Supply and fixing of UPVC ball valve/gate valve for fixing with proper joints and fittings size 100 mm all as specified and as directed by Engr -in-Charge.

All as per item No 80 here-in-before, but of 75/80mm dia

All as per item No 80 here-in-before, but of 50mm dia

Supply, installation, testing and commissioning of centrifugal mono block pump cast iron body, copper winding, impeller-cast iron, delivery casing-cast iron, SS steel, head 10-16m, RPM-3000, discharge flow 600-250 LPM at minimum 15m head with, delivery pipe size -50 mm, horizontal type, inlet 65mm capacity 3 HP/1.5 KW, single phase, 220 Volt, AC supply including provision for tyre coupling with channel iron base frame including nuts, bolts & washers etc. PCC foundation & necessary accessories as per manufacturer's instructions complete all as specified and as directed.

Suppy, installing, erection & testing and commissioning of twin lobe air blower made of cast iron capacity of 250 Cum/hr @ 4.0 MWC, ingersoll rand (IR) type blower with 10 HP motor (blower & motor two nos) of make kirloskar comprising of following Items:- (a) MS pipe size of 50 to 80 mm dia upto 30m length +/- 10 % for blower out put making header pipieline fixing on cement PCC block chamber for pipe support. (b) UPVC lateral pipe 25mm to 32 mm suitable length with holes as required for blower connection placed on cement block piller for support. (c) Suitable capacity electrical panel with auto change over & timer. (d) Suitable size electrical cable from exsiting LT panel to propsed site approx length 60 RM shall be deemed to be included in the quoted rate. Note: (a) Kalpa lake pond dia approx 150 feet (46M) (b) Depth in Average approx - 10 feet (3.3M) (c) Volume - 5500 KL (d) Considered aeration system - 01 No (e) Air blower - 02 Nos

Excavation in post holes or similar holes, each not exceeding 0.5 Cum, getting out in hard/ dense soil, returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm, watering and removing surplus soil to a distance not exc 50 mtr and making good surface complete all as specified and as directed.

Supply and fixing pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet of 0.50mm thickness of any colour having tensile strength of 550 Mpa with coating thickness fixed with GI self taping screws as in roof covering/cladding to wall, ridges, valley gutters fixed to frame work all as per manufacturers instructions complete all as specified and as directed.

Supply and fixing pre-painted galvalume aluminium zinc coating GI based plain steel sheet of 0.50mm thickness of any colour having tensile strength of 550 Mpa with coating thickness fixed with GI self taping screws as in roof covering/cladding to wall, ridges, valley gutters fixed to frame work all as per manufacturers instructions all as specified and as directed.

Note for Item No. 86 & 87: (i) The manufacturer's test certificate and individual test certificate for the chemical and mechanical properties of sheet must be submitted for approval by the concerned authority prior to installation. (ii) The contractor shall ensure that no leakages take place from the roof. The roofing shall be coloured galvalume roofing system (olive green colour or as approved by GE) with feed material manufactured from 0.50 mm total coated thickness (TCT), minimum 550 MPa yield strength and shall conform to the physical specifications of IS:2062 of 2011, coated with hot dip metallic Aluminium/ Zinc alloy coating AZ150 as 150 gm/Sqm total on both sides.

(iii) The painting shall be coloured baked enamel polyester with silicon coating of film thickness 25 microns nominal on the exposed face/exterior side and on the reverse side (interior face) shall be white with 15 microns film thickness, over a coat of 5 micron nominal thickness primer. (iv) The contractor shall produce purchase vouchers for each lot and independent test for verification of Engineer-in-Charge.

Supply and fix steel tubular trusses including special shaped washer etc complete using ERW or induction butt welded tubes conforming to IS 1161-1998 grade ST-240 complete all as specified and as directed.

Supply and fix wind ties for roof, cladding angle/ flat sections including securing bolts; posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc, flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Grade E-165 complete all as specified and as directed.

Material and labour for plain cement concrete type D2 type 1:4:8, using 40 mm graded aggregate in foundations, filling and mass concrete etc complete all as specified and as directed by Engineer in Charge.

Material and labour for plain cement concrete 1:3:6, type C-1, using 20mm graded crushed stone aggregate as in foundation of posts, filling and mass concrete etc complete all as specified and as directed.

Material and labour for applying two coats of synthetic enamel paint over a coat of red oxide primer including preparation steel surfaces over 10 cm width or girth complete all as specified and as directed.

Notes: (a) All synthetic enamel paint, plastic emulsion paint shall be of 1st quality manufactured by the standard firms of make as specified. (b) The contractor shall inform the GE, within three weeks of the acceptance of the tender, the brand/names of the manufacturers of paint proposed to be used in the works and submit samples thereof and obtain prior written approval of GE before their use in works. (c) The contractor shall when so required by the GE, produce certificate from the manufacturer or their representative to establish that the brands of paints purchased by the contractor from them, satisfy the requirements of the relevant Indian Standards. Tint of paint, will be approved by the GE.

(d) Paints shall be obtained direct from approved manufacturer or from their authorized agents only of respective brands mentioned as in approved list of makes and brought to site in sealed containers. (e) Unless otherwise specified the tints of paint shall be as approved by the GE (f) The contractor shall submit samples of the paints proposed for the work along with results of tests conducted in approved laboratory as directed by the Engineer-in-Charge for approval.

(g) The surface shall be thoroughly cleaned and dusted. All dirt scales oil and grease shall be thoroughly removed before painting is started. The prepared surface shall be inspected and approved by the GE before painting is commenced. The weather shall not be foggy/rainy, dusty or windy. The suitability of the weather will be determined by the Engineer-in-Charge. (h) No hair marks from the brush or clogging of paint buddles shall be left on the work. Surface shall ordinarily not be painted until it has dried up completely. Trial patches of paint shall be laid at intervals to check if drying is satisfactory.

Neptune Engineers and Builders (BID ID -3362638)

SARAVANARAJA CONSTRUCTIONS (BID ID -3361365)

PRIYA ENTERPRISES (BID ID -3362606)

Lucky Enterprises (BID ID -3363008)

ROTECH ENGINEERS AND BUILDERS (BID ID -3363516)

Power and Telecom Systems (BID ID -3361785)

VARGHESECHACKO AND CO (BID ID -3361401)