REPAIRS / MAINTENANCE OF VARIOUS CAPACTIY OF DG SETS DD PUMPS AT NAVAL BASE AREA UNDER GE(U-II) VISAKHAPATNAM

Amount

Maintenance and servicing of Diesel Generator sets and carrying out routine 'A' check of the engine of following capacities for smooth functioning all as per manufacturer's instructions, complete all as specified and directed. NOTES :- (a) Control switches such as MCCB, Main switch, contactors, multi display meter and engine control unit shall be out of scope of the item of work and the quoted rate shall be exclusive of servicing/ maintenance aforesaid fittings. (b) Servicing of DG set along with connected Panel Board including 'A' check of the Engine shall be carried out once in every month as required / directed by the Engineer-in-Charge and the Contractor shall carry out periodical inspections during the maintenance period. Further, he shall be responsible for the smooth functioning of the DG set for a period of 30 days from the date of service and shall also attend all the maintenance works as and when required in that period except in case of major repairs. (c) Spare parts required for replacement during the maintenance period shall be measured and paid separately at supply only rates and cost of labour for fixing these spares shall be deemed to be included in the quoted rate for this item. (d) Cost of all consumables required during the maintenance period shall be deemed to be included in the rate quoted for this item. (e) List of checks to be carried out under 'A' check is attached as Appendix 'A'. to the Particular specifications.

20 KVA - 2 Nos

40 KVA - 1 Nos

62.5 KVA - 5 Nos

82.5 KVA - 1 Nos

100 KVA - 3 Nos

125 KVA - 1 Nos

160 KVA - 1 Nos

200 KVA - 1 Nos

250 KVA - 1 Nos

320 KVA - 2 Nos

500 KVA - 3 Nos

Maintenance and servicing Diesel Generator Sets/ DD pumps including connected Alternator and carrying out routine 'B' check of the engine for smooth functioning all as per manufacturer's instructions, complete all as specified and directed. Note :- (a) Control switches such as MCCB, Main switch, contactors, multi display meter and engine control unit shall be out of scope of the item of work and the quoted rate shall be exclusive of servicing/ maintenance of the aforesaid fittings. (b) 'B' check shall be carried out once in every six months or 250 hours of running of DG Set whichever is earlier. Servicing of DG Set alonwith connected Alternator and Panel Board including items covered in 'A' check of the Engine shall also be carried out in that month as directed by the Engineer-in-charge and the Contractor shall carry out periodical inspections during the maintenance period and he shall be responsible for the smooth functioning of the DG Set for a period of 30 days from the date of service and shall also attend all the maintenance works as and when required in that period except in case of Major repairs. (c) Spare parts, engine oil, distilled water and radiator coolant oil required for replacement during the maintenance period shall be measured and paid separately at supply only rates and cost of labour for fixing these spares/filling of oils shall be deemed to be included in the rate quoted for this item. (d) Cost of all consumables required during the maintenance period shall be deemed to be included in the rate quoted for this item. (e) List of checks to be carried out under 'B' check is attached as Appendix 'B' to the Particular specifications.

20 KVA - 2 Nos

40 KVA - 1 Nos

62.5 KVA - 5 Nos

82.5 KVA - 1 Nos

100 KVA - 3 Nos

125 KVA - 1 Nos

160 KVA - 1 Nos

200 KVA - 1 Nos

250 KVA - 1 Nos

320 KVA - 2 Nos

500 KVA - 3 Nos

60/82.5/91/105 BHP capacity Diesel engine driven Pump set

Maintenance and servicing of following mentioned Diesel Generator Sets including connected Alternator, and carrying our routine 'C' check of the engine complete for smooth functioning all as per manufacturer's instructions, complete all as specified and directed. Note :- (a) Control switches such as MCCB, Main switch, contactors, multi display meter and engine control unit shall be out of scope of the item of work and the rate quoted shall exclusive of servicing/ maintenance of the above said fittings. (b) 'C' check shall be carried out once in every YEAR or 500 hours of running of DG set whichever is earlier. Servicing of DG Set alonwith connected Alternator and Panel Board including items covered in 'A' & 'B' check of the Engine shall also be carried out in that month as directed by the Engineer-in-charge and the Contractor shall carry out periodical inspections during the maintenance period and he shall be responsible for the smooth functioning of the DG Set for a period of 30 days from the date of service and shall also attend all the maintenance works as and when required in that period except in case of Major repairs. (c) Spare parts, engine oil, distilled water and radiator coolant oil required for replacement during the maintenance period shall be measured and paid separately at supply only rates and cost of labour for fixing these spares/filling of oils shall be deemed to be included in the rate quoted for this item. (d) Cost of all consumables required during the maintenance period shall be deemed to be included in the rate quoted for this item. (e) List of checks to be carried out under 'C' check is attached as Appendix 'B' to the Particular specifications. QUOTED RATES INCLUDING all spares like B CHECK service kit and other consumable under 'C' check service, except oil & coolant

20 KVA - 1 Nos

40 KVA - 1 Nos

62.5 KVA - 5 Nos

82.5 KVA - 1 Nos

100 KVA - 3 Nos

125 KVA - 1 Nos

160 KVA - 1 Nos

200 KVA - 1 Nos

250 KVA - 1 Nos

320 KVA - 2 Nos

500 KVA - 3 Nos

Supply only fuel filter elements for following capacities, complete all as specified and directed :-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

60/82.5/91/105 BHP capacity Diesel engine driven Pump set

Supply only lube oil super bypass filter for 200 to 250 KVA DG Set, complete all as specified and directed.

Supply only lube oil super bypass filter for 320 KVA to 500 KVA DG Set, complete all as specified and directed.

Supply only lube /engine oil filter/cartridges as per sample and make of the following capacities of DG sets, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

Overhauling of mentioned radiator assy of following DG sets by disconnecting and removing from engine, dismantling the top & bottom chambers, descaling the sediments and scales, corrosion etc by means of acid cleaning and high pressure water washing, air cleaning, re-assembling the same with new gaskets, including arresting leakage, if any and fixing to the engine with new hoses, clipes, complete all as specified and directed:- Note:- The quoted rate shall be inclusive of transporting of the radiator to the workshop and back and all incidental charges.

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

Supply only Lead acid battery PVC body 12 volt 180 AH of 36 month warranty, complete all as specified and directed.

Supply only Lead acid battery PVC Body 12 volt 150 AH of 36 month warranty, complete all as specified and directed.

Supply only Lead acid battery PVC body 12 volt 100 AH of 36 month warranty, complete all as specified and directed.

Supply and filling radiator coolant, complete all as specified and directed.

Supply only fan belts for replacement of u/s fan belts of following capacities of DG set as per sample size, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

M& L for checking servicing and overhauling calibration of the injector pump with injectors of following capacities of DG SETS . These rates deem to be included for necessary sealing rings , "O" rings if needs replacement etc., and render necessary test servicing certificate from the authorised dealer, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

Opening the coupling, dismantling the alternator carefully removing the flywheel, dismantling the unserviceable Fly wheel, supply and fixing new staring ring gear wheel, fixing back the alternator and properly coupled back for 20 KVA to 40 KVA DG Set, complete all as specified and directed.

All as per item No 15 above but for 62.5 KVA to 82.5 KVA DG Set.

All as per item No 15 above but for 100 KVA to 125 KVA DG Set.

All as per item No 15 above but for 160 KVA to 250 KVA DG Set.

All as per item No 15 above but for 320 KVA to 500 KVA DG Set.

Dismantling/repairing the cylinder head assy of (any make) engine by stripping out the head assy from engine and carrying out the machining work such as head surfacing pressure testing, valve seat angle facing, lapping replacing the rusted water plugs and fixing the new brass water plugs etc., and replacing the worn out parts like inlet & exhaust valves guides, valves seat inserts, head gaskets, stem seal, silicon "O" rings and re-testing etc including transportation and taking down all requisite parts and refixing the same for capacity of 62.5 KVA to 160 KVA DG Sets, complete all as specified and directed.

All as per item No 20 above but for 200 KVA to 320 KVA DG Set.

M & L for overhauling the DG set of capacity 62.5 KVA to 160 KVA (any make) by removing engine from chassis and disconnecting the fuel lines and exhaust connections and transporting to workshop replacing the unserviceable parts like piston - 6 Nos., rings - 6 sets, cylinder liner 06 Nos after cleaning the engine block and fixing the new parts like connecting rod, bearing. cylinder liners - 6 Nos set of joints complete, oil seals, reassembling the engine with new partscomplete and reassembling, cooling the engine, testing and commissioning etc including taking down and refixing the same, complete all as specified and directed.

Overhauling the fuel injection pump assembly and injectors for 20/30/62.5 KVA DG set , dismantling and taking out to workshop for repair including transportation by replacing the worn out/unserviceable parts like service kit, D - Valve, Elements and nozzles., etc., as required, mentioned and calibration the same, commissioning etc., complete all as specified and directed. (a) Element MICO - 4 Nos. (b) Delivery valve MICO - 4 Nos. (c) Swelling lever MICO -1 No. (d) Bearings (SKF/NBC) - 2 Nos. (e) Nozzle MICO - 4 Nos.

Supply only Voltage Regulator (AVR) suitable for DG set of capacity 160 KVA to 500 KVA, complete all as specified and directed.

Supply only Voltage Regulator (AVR) suitable for DG set of capacity 20 KVA to 125 KVA, complete all as specified and directed.

Supply only Low Oil pressure Switch 12V 1.7 kg/Sq.mm, complete all as specified and directed.

Supply only battery lead, complete all as specified and directed.

Supply only stopping solenoid 24 Volt suitable for DG set of 250 KVA to 500 KVA Capacity, complete all as specified and directed.

Supply only stopping solenoid 12 Volt suitable for the following DG sets, complete all as specified and directed:-

DG set of capacity 100 KVA to 200 KVA

DG Set of capacity 62.5 KVA to 82.5 KVA

DG Set of capacity 20 KVA to 40 KVA

Supply only battery terminal made of brass, complete all as specified and directed.

Supply only Benjo bolts of suitable sizes, complete all as specified and directed.

Supply only fuel pipe filter, complete all as specified and directed.

Supply only anti vibration pad, complete all as specified and directed.

Supply only Radiator hose flexible suitable for the following DG sets, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 to 500 KVA

Supply only Hose pipe for water pump suitable for the following DG sets, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 to 500 KVA

Supply only DC Ammeter of Range 0-10 A, complete all as specified and directed.

Supply only Lube oil pressure gauge of suitable range, complete all as specified and directed.

Supply only starter motor assembly for capacity of 62.5 KVA to 200 KVA, 12 volt DC, complete all as specified and directed.

Supply only Turbo Charger Core assembly 200 to 500 KVA capacity, complete all as specified and directed.

Supply only Air Filter elements of following DG Sest, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

Supply only A series electronic timers on delay function with time range 0.3S to 30 Min, complete all as specified and directed.

Supply only B series electronic timers adjustable cyclic function 240 Volts AC suitable for AMF panel, complete all as specified and directed.

Supply only ON DELAY TIMERS (for STOP/START/LOP/LOT/FAULT etc) Time range 3 sec to 30 hours contact 5 Amps 240V/12-24 volts DC, complete all as specified and directed.

Supply only HRC fuses of capacity 4-20 Amps, complete all as specified and directed.

Supply only HRC fuse cartridge assembly both base and top 20A rating, complete all as specified and directed.

Supply only indicator lamps DC filament type, complete all as specified and directed.

Supply only indicator lamps AC 230 Volt LED Type for the panel boards, complete all as specified and directed.

Supply only push button with contact element 5 A with NO-NC

Supply only Ammeter as per sample of range 0-30/50/100 Amps AC for control/AMF panel, complete all as specified and directed.

Supply only Volt Meter as per sample of Range 0-600 Volts AC, complete all as specified and directed.

Supply only Frequency meter vibrating reed of Range 45-55 HZ, complete all as specified and directed.

Supply only Frequency meter blinking type LED type of Range 45-55 HZ, complete all as specified and directed.

Supply only main contactor L & T Type MNX 110A 2NO+2NC 3 Pole suitable for AMF Panel, complete all as specified and directed.

Supply only main contactor Make : L & T, Type ML 3 Pole suitable for AMF panel, complete all as specified and directed.

Supply only main 3P contactor for AMF panel as required for 125 / 100KVA DG set, complete all as specified and directed.

Supply only contactor(neutral control) for AMF panel, model MNX 32 of 125 KVA DG set, complete all as specified and directed.

Supply only main contactor for AMF panel model TCA3-M40 of 20/40/62.5/82.5 KVA DG set, complete all as specified and directed.

Supply only main contactor 4P for AMF panel model MCX 11, 50 Amps for 20/40/62.5 KVA DG set, complete all as specified and directed.

Supply only contactor 4P for AMF panel model MCX 47 , 800 Amps for 250/320/500 KVA DG set, complete all as specified and directed.

Supply only auxiliary /control contactors of suitable contactor(2NO, 02NC) of suitable ratings for AMF Panel, complete all as specified and directed.

S&F Battery charger 24 v SMPS(System main power supply) type control unit assembly, complete all as specified and directed.

S&F Battery charger 12 v SMPS(System main power supply) type control unit assembly, complete all as specified and directed.

Supply and fix Auto Transfer Switch (ATS) for Auto ON & OFF of the DG & commercial supply of capacity 100 Amps to 250 Amps - 4 Pole AC 50hz 415 Volts open enclosure with inbuilt time delay including Automatic control switch panel mounted, complete all as specified and directed.

Supply only ignition key suitable for DG set panel/control panel, complete all as specified and directed.

Supply only Energy meter 3 phase, 4 wire, 20-40 Amps range microprocessor based, complete all as specified and directed.

Supply only voltage monitoring regulator (UV, OV, SP) of suitable ratings for AMF panels, complete all as specified and directed.

Supply only control MCCB 4 Pole 100A 16 KA suitable for AMF panels, complete all as specified and directed.

Supply only PF meter digital, flush mounting typ, complete all as specified and directed.

Supply only Multifunction digital meter (in lieu of voltmeter, ammeter, Pfmeter) suitable for new version AMF panel, complete all as specified and directed.

Supply and fix in repairs of PVC insulated unsheathed multi stranded copper conductor cable FRLSH as per IS-694 for following sizes, complete all as specified and directed:-

Supply and fix in repair MCCB 4 pole 160 Amp 36KA - in LT panel boards / feeder pillar boxes including disconnecting and removing existing defective item from electric circuit including necessary connected fasteners, burnt cables, accessories etc, complete all as specified and directed.

All as per Srl item No 72 above but of size 400 Amp 36KA

All as per Srl item No 72 above but of size 630 Amp 50KA

Supply and fix in repairs on load change over switch 3ph, 415V, panel mounted, open type execution including disconnecting and taking old from panel board, refixing the new one, with proper connections including lugs and testing on completion of 630 Amps, complete all as specified and directed.

All as per Sl. Item No. 75 of above but capacity of 400 Amps.

All as per Sl. Item No. 75 of above but capacity of 250 Amps.

All as per Sl. Item No. 75 of above but capacity of 160 Amps.

Supply top up engine oil 15W40 or as per manufacturer's recommendations, complete all as specified and directed.

M & L for cleaning of fuel tank by draining out diesel and cleaning internally with the help of cleaning agent and compressed air, drain out the sludge/foreign matter deposited inside the diesel tank of 20 to 40 KVA capacity DG Set, complete all as specified and directed.

All as per Sl. Item No. 80 of above but capacity of 62.5 KVA to 82.5 KVA.

All as per Sl. Item No. 80 of above but capacity of 100 KVA to 125 KVA.

All as per Sl. Item No. 80 of above but capacity of 160 KVA to 250 KVA.

All as per Sl. Item No. 80 of above but capacity of 320 KVA to 500 KVA.

All as per Sl. Item No. 80 of above but 60/82.5/91/105 BHP capacity Diesel engine driven Pump set

M & L for cleaning of vegetation by using excavator for removing bushes / thick vegetation around the pump house, installations, levelling the area without damaging the pipelines / Cable network / Pedestals of pipelines / buildings including disposal of the vegetation / debris material up to a distance not exceeding 50 m, complete all as specified and directed.

M & L Synthetic mat (rubber matting) suitable for 1100 Volts electrical grade 2mx1mx19mm thick chequered top, ISI marked to be laid in front of LT panel board, complete all as specified and directed.

M&L for Repair & Calibration of Self Starter including re-winding of Commutator, replacing Carbon brush set, carbon brush holder, King Pins Holders, armature check nuts, body screws, clutch plate assembly and solenoid etc. for DG Sets of capacity 20 KVA to 40 KVA, complete all as specified and directed.

All as per Srl item No. 88 above but of capacity 62.5 KVA to 82.5 KVA DG set

All as per Srl item No. 88 above but of capacity 100 KVA to 125 KVA DG set

All as per Srl tem No. 88 above but of capacity 160 KVA to 250 KVA DG set

All as per Srl item no.88 above but of capacity 320 KVA to 500 KVA DG set

All as per Srl item no. 88 above but for 60/82.5/91/105 BHP capacity Diesel engine driven Pump set

M & L for preparation of old painted surfaces of DG Sets and DD pumps by scraping / brushing and cleaning with coarse cloth and applying two coats of synthetic enamel paint by spray machine of approved quality and colour to match the existing one and lettering the SM and MES Number on the DG Set/ DD pumps of following capacity, complete all as specified and directed:-

20 KVA to 40 KVA

62.5 KVA to 82.5 KVA

100 KVA to 125 KVA

160 KVA to 250 KVA

320 KVA to 500 KVA

60/82.5/91/105 BHP capacity Diesel engine driven Pump set

M&L for Earthing complete including necessary excavation and earth work in any type of soil with galvanized steel earth plate electrode size 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtrs below ground level) with top edge of the earth plate not less than 1.5 mtr below normal ground level connected to galvanised earth strip of size 32 x 6mm by means of bolts nuts check nuts and washers of galvanised iron or steel all as shown in electrical plate No.5 of MES SSR Part-1 connected to main switch board or main control board all as specified and testing on completion including provision of earth wire protected by galvanised iron 15 mm dia. light grade pipe and watering pipe shall be 20 mm ore medium grade PCC pipt with pre cast RCC cover, charcoal/salt funnel etc, complete all as specified and directed:- NOTE : The conctrete pit shall be PCC 1:3:6 tye C -1 40 mm thick pre cast cover slab of RCC (1:2:4) type B-1 using 20 mm graded stone aggregate reinforced with 8 mm TMT bars @10 cm C/C on both sides with suitable cast iron handle shall be provided in liew of cast iron cover shown in electrical plate No.5 of MES SSR Part-1 (ii) Item includes the cost of 7.5 m GI pipe for protectio of earth wire. (iii) PCC pits shall be provided atleast 500 mm away from the pit and not on the earth pipt itself and the extra cost of additional length of watering pipe, bends , elbows etc. shall be deemed to be included in the quioted rate. (iv) Item includes the cost of 7.5 mtr length earth lead wire.

Supply only hand gloves of good quolity ISI marked 11 KV, complete all as specified and directed.

Supply, laying in trenches or fixing on wall or passing through pipe or in cable ducts, XLPE insulated PVC screened , PVC bedded and PVC tape sheathed galvanised steel strip or wire armoured electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of 3.5 core 35 sqmm size including taking out old un-serviceable cable, complete all as specified and directed.

All as per Srl item No. 97 above but of 3.5 core 95 Sq mm

All as per Srl item No. 97 above but of 3.5 core 120 Sq mm

All as per Srl item No.97 above but of 3.5 core 240 Sq mm

Supply and fix in replairs of PVC insulated unsheathed multi stranded copper conductor cable FRLSH as per IS-694 of 1 core 95 sqmm, complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exc. 1.5 m depth and getting out soft / loose soil for laying of cables, pipes etc, complete all as specified and directed.

Returning filling in, including spreading levelling watering and well ramming in layers n.exc. 25 cm thick, complete all as specified and directed

Removing excavated soil to a distance n.exc. 50 m distance and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak size 200mm x 150mm x 40mm, complete all as specified and directed.

Supply and spreading clean dry sand for cable cushioning in trenches, complete all as specified and as directed. Note:- Punned thickness shall only be measured and paid.

Dismentaling alternater to existing DG set complete and cutting winding, cleaning, polishing, welding work and re-winding with existing/ suitable size and gauge of copper enamelled winding wire complete greasing, replacement of carbon brush, varneshing, heating etc and testing after repair of 20 to 40 KVA DG Set, complete all as specified and directed.

All as per Srl item No. 107 above but of capacity 62.5 KVA to 82.5 KVA DG set

All as per Srl item No. 107 above but of capacity 100 KVA to 125 KVA DG set

All as per Srl item No. 107 above but of capacity 160 KVA to 250 KVA DG set

All as per Srl item no. 107 above but of capacity 320 KVA to 500 KVA DG set

Material and labour for checking LT panel control wiring and attending and repairing of LT panel board of any size and type by tightening, cable lugs, bus bars, MCBs, MCCBs and replacement of minor parts like small pieces of copper cables of any size and type, Cutting of aluminium cable of any size, refixing the same with aluminium lugs, cleaning of LT panel inside with Carbon tetra chloride solution, checking loose connections of any type including painting of existing colour and making LT panels installations functional at any location, complete all as specified and directed.

Supply and Fixing in repair 270 HP soft starter with in built contactor and relay including necessary control wiring, complete all as specified and directed.

Supply and install in repair including testing and commissioning of LT panel indoor type totally enclosed with front and rear opening hinged doors and raised platform of suitable sizes weather dust vermin proof made out of 3.15mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 800 Amps capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers to accomodate the following items including supplying and fixing the following items, complete all as specified and directed :-

(Item No. 114 Contd-----) (a)MCCB 400 Amps 4 pole 36 KA - adjustable type with extended terminal (incoming) -01 Nos (b) On load change over switch 400 Amps 4 pole - 01 Nos (c) Soft starter 60 HP with in built contactor and relay - 02 Nos (d) Soft starter 50 HP with in built contactor and relay - 02 Nos (e)MCB TPN 40 Amps 4 pole 16 KA - 4 Nos (f)Multifunctional meter (KWH, Voltage,Ampere and frequency)-01 set (g) RYB indicator lamp-01 set

SCHEDULE OF CREDIT Note :- Amount of Rs. 55,151.00 indicated in Tender Documents as Schedule of Credit shall be deducted from the total quoted amount of BOQ.

SRI MAHALAKSHMI CONSTRUCTIONS

MVV Prasad

GVR CONSTRUCTIONS

CHAITANYA CONSTRUCTIONS

SUPREET CONSTRUCTIONS

SRK PROFESSIONAL ENGINEERING

Y RAMESH

M/S SRI VENKATA BHAVANI CONSTRUCTIONS