Upkeep maint of electric supply installation, sub station and other misc E M works at domestic and technical area

Amount

SCHEDULE A BOQ

Demolition of brick work masonry, built in cement mortar including all quoins, pillars etc., complete all as specified and directed.

Fly ash Brick work with sub-class `B' bricks, straight or curved on plan exceeding 6 M mean radius built in cement mortar 1:4 complete all as specified and directed.

Fly ash Brick work obtained from demolition of brick work on plan exceeding 6 M mean radius built in cement mortar 1:4 complete all as specified and directed.

Rendering 15 mm thick in two layers on brick or concrete surfaces, first coat 10mm thick in cement mortar 1:4 and 2nd coat 5mm thick in cement mortar 1:4 mixed with water proofing compound as per manufacturer instructions finished even and smooth without using extra cement complete all as specified and directed.

Note :- The unit rate quoted is deemed to included for Removing of accumulated earth of any width and depth upto 15 cm cleaning/cutting the grass with hand operated petrol/kerosene driven grass cutting machine and removing the grass waste around 3 m from plinth protection to outside MD land Note: Periodicity of cutting of grass shall be before commencement of work and after completion of repairs.

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm.

M&L cement concrete (1:3:6) type C-1 (20 mm graded aggregate) as in foundation filling and mass concrete.

Steel work in tubular trusses including special shaped washer etc complete using ERW or induction butt,welded tubes conforming to IS 1161-1979 grade ST-240. including dismantling of existing one complete all as specified

Straining and fixing only chain link fencing including line wires, any mesh size and type of to any type of standards, rails, straining bolts etc inclunding provision 10mm dia MS bars as line wire welded to fencing posts and MS flat iron for fixing fencing wire mesh and including dismantling of fencing wire mesh of any type complete all as specified and directed.

Supply only Chain link mesh and made of galvanised wire and shall confirm to IS 2712.2003 and having zinc coating of type heavy as laid down in IS 4826 including line wires/ binding wire etc fixed to any type of standards posts complete all as specified and directed. Note :- Weight of chain link fencing to be assesed by BOO order by the GE prior to execution.

Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging also fastening and fixing complete all as specified and as directed in repairs.

100mm thick, plain cement concrete (1:3:6), type C-2 (using 40 mm graded mechanically crushed stone aggregates), as in plinth protection/path/hardstanding including making joints @ 3.00 metre intervals and at each corner, the joint shall be filled with mastic filling (to full depth) comprising of one part heated hot blown bitumen 85/25 & two parts heated sand (by volume), surface finished even and smooth without using extra cement including demolition of cement concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thickness and rubish material shall be disposal to out side MD land complete all as specified and as directed. Note :- The concrete shall be laid at a stretch not exceeding 3 metre in length and width of joint shall not be more than 12 mm.

Hard core of broken/crushed stone aggregate of gauge n.exc 63 mm deposited, spread and levelled in layers not exc 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

Machine pressed precast concrete interlocking paver block with grey cement and pigment any shape and size, polished confirming to IS-15658 of 60mm thickness M-35 grade, laid over and including M sand cushion of 50mm thick,and providing cement concrere 1:2:4 type B1 in kerbs or rounded or chamfered on edges complete all as specified and directed. Note : The Unit rate quoted is included for Demolition of Stone Slabs and tiles of any description or thickness in floors, aprons etc laid bedded and pointed in any mortar

Applying two coats of cement based paint over and including a coat of primer, including preparation of new plastered wall surfaces of any description, complete all as specified.

Roof trusses (Framed) trussed purlins ,crane gantries rails and fastening and heavy bracket framing ( beam ,tee, angle channels or flat section ) including distance pieces cleats etc confirming to Fe- 290 Gde E-165 including dimantling of existing one all as directed.

Pre painted Coloured Galvalume roofing system sheet 0.50 mm thick having Zinc aluminum alloy coating AZ150 shall be as per IS:277/ASTM 1379 150 gsm/ sqm double ribbed trapezoidal profile steel sheet any colour having tensile strength of 550 Mpa as in Roof covering /cladding to wall fixed with self tapping screws including dismantling of existing roof sheet complete all as directed.

Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws including dismantling of existing roof sheetas specified

Note :- The tenderer shall take into consideration for following points while quoting his rate for this item and the unite rate is deemed be included for :-

Note for Pre-painted coloured Galvalume roofing :-

(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 ensured 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/sq.mt 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 for verification of Engineer-in-Charge.

S& F hand rails , half round or other steel section or core for wooden hand rail straight portion ,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps, incl embedding to concrete and screwing etc. wind ties for roof 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 ) incl all necessary drilling ,bolting or riveting etc and similar work confirming to Fe- 290 Gde E-165 including dimantling of existing one all as directed.

S&F mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 10cm and dia of neck 11 to 15 mm complete.

M&L Preparation of new or previously untreated steel surfaces over 10 cm girth and applying two coats of synthetic enamel paint including one coat of red oxide primer

Deformed TMTsteel bar of grade Fe-500/500D , 5 mm dia to 10 mm dia cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia., or securing with clips in stirrups , spacers and binders etc complete all as specified and directed in repairs.

Preparation of new or previously untreated steel surfaces under 10 cm girth and applying two coats of synthetic enamel paint including one coat of red oxide primer

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5m deep in hard/dense soil and getting out for taking down/laying of pipes

Returning, refilling including spreading levelling watering and well ramming in layers not exceeding 25cms thick in hard/dense soil

Removing excavated materials not exceeding 50m distance and depositing where directed at level not exceeding 1.5 m above the starting point

Riddling Sand obtained from excavation for cable protection 8cm under the cable and 15cm above the cable in trench and get the thick layer of 18cm after ramming. Note :- In case sufficient sand not obtained from excavation, the required additional qty obtain from out side MD land as directed by the Engineer-in-Charge. The rate is deemed to be included.

Fly ash cable protection cover of size 23 x 11.5 x 7.5cm including taking down existing bricks of any size.

XLPE insulated, screened, PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 300 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/Havells/Polycab

Cutting existing road/PCC/Drain for laying of DI/GI or any typeof pipe including necessary earth work, excavation exc 600mm depth but not exc 1mtr depth, wide 800mm including making existing surface with PCC 1:2:4 type B1 using 20mm aggregate thickness of concrete is 150mm complete all as specified and directed.

Note :- The tenderer shall take into consideration for following points while quoting his rate for this item and the unite rate is deemed be included for :-

(i) Earth work excavation in any type of soil

(ii) Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick complete all as specified and as directed.

(iii) Removing excavated material to out side MD land

(iv) Laying of any type/any bore of pipe in trenches including taking down any description. Supply of pipe will be measured and paid separately

(v) 150 mm thick PCC 1:2:4 type B1 as in road

Supply only 100 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles complete all as specified and directed. Note : The unit rate is included for supply only and cutting existing road , excavation, Laying of any type/any bore of pipe in trenches including taking down any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately.

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms either from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 400 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :-

M&L for insulation resistance testing of LT UG cable, XLPE insulated, armoured electric power cable with aluminium conductor 1100V grade of size from 120 sqm to 150 sqm 3.5 core after disconnecting the both end of the cable from transformer/ LT panel/ DBs and reconnecting the same after carryout the test all as specified here under and as directed by the engineer-in-charge .

M&L for insulation resistance testing of LT UG cable, XLPE insulated, armoured electric power cable with aluminium conductor 1100V grade of size from 185 sqm to 240sqm 3.5 core after disconnecting the both end of the cable from transformer/ LT panel/ DBs and reconnecting the same after carryout the test all as specified here under and as directed by the engineer-in-charge .

Note for Item No. 47 & 48 : (i) The insulation resistance shall be tested between the conductors.

(ii) The insulation resistance shall be tested between the conductor and armoured/ earth.

(iii) The contractor shall arrange necessary testing instruments of suitable range and cost for the same shall deem to be included in the quoted unit rate.

(iv) Test to be conducted in the presence of MES rep and concerned user and will record it in prescribed format. Test records duly signed by all to be submitted by the contrator to the engineer-in-charge.

(v) If case, any damages found at end termination of the cable, same shall be rectified by using suitable size of lugs / nuts & bolts for the reconnection of cable in transformer/ LT Panel/ DBs. cost for the same shall deem to be included in the quoted unit rate.

(vi) Cost of earth work required for disconnecting and reconnecting the cable shall deem to be included in the quoted rate.

(vii) Any major item required to rectify the defect shall be measured and paid seperately.

(vii) The quoted unit rate deemed to be included for disconnecting the cable from the transformer/ LT panel/DBs and reconnecting the same after the insulation resistance test.

XLPE insulated, screened, PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 240 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/Havells/Polycab

Supply only GI pipe 100 mm bore medium grade for cable protection complete all as specified and as dierced by Engr-in-Charge. Make : Tata, Jindal, Surya Prakash Note : The unit rate is included for supply only and cutting existing road , excavation, Laying of any type/any bore of pipe in trenches including taking down any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately.

Supply only 80 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles complete all as specified and directed. Note : The unit rate is included for supply only and cutting existing road , excavation, Laying of any type/any bore of pipe in trenches including taking down any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately.

Boring of hole under road/ hard standing by trenchless technology including S&F HDPE pipe "heavy duty" of size 100mm bore fixed in repairs complete all as specified and directed

Supply, install, testing and commissioning of uninterripted power supply (UPS) unit of capacity 2KVA with input voltage 24V DC supply, output volatge 230V,50HZ AC supply with following accessories/ circuits and with 3 Hrs of battery backup at full load complete all as specified and as directed with the following feature :- (a) Battery Charging device (b) Inverter circuit (c) Overload as well as short circuit Tripping Device (d) Indication for all operations like battery charging, over load, low battery etc, (e) Electronic triping for low battery / auto release (f) Alarm for low battery / output high/ over load/ trip (g) Reset switch (h) Tubular Battery - 2 Nos of 12V DC /150Ah (j) One layer wooden/ Steel fabricated stand

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms either from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 400 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :-

Integrated solar street light of less than 28W with 4500 lumen and system lumen efficiency of more than 170 lumen per watt. The luminaire shall use highly efficient microcontroller based integrated MPPT charge controller, both charger and driver to be on same board with more than 90% efficiency of both charger and driver. High grade aluminium die-cast housing to ensure good heat dissipation. The luminaire shall have flexi mount of 0 to 15 degree to adapt to certain geography diversity. The luminaire shall be with smart self-diagnosis feature with LED indicators alongwith battery charging and deep discharging out off indications. The system shall use long time maintenance free lithium Ferro Phosphate (Li Fe PO 4) battery with BIS certification. Battery capacity of minimum 170 wh for autonomy of 24 hrs with fully charged battery. The luminaire shall be with hybrid feature (integrated/ seperated) ON-OFF switch, Outer mounting diameter of 48-60 mm. Operating temp range for light engine is 0 to +35 Dep C. operating humidity shall be upto 95%. System lumen output should be atleast 12V DC, 2000 lm. Solar panel module capacity of 12V, 35W Peak Mono-crystalline. Solar cell efficiency with min 12%. LED burning hrs to be 50,000 hrs at L70. Rating of IP 65 and IK 08 to comply with UV stabilized poly carbonate front cover. Colour temp of 5700K and CRI > 70 including taking down existing one all as directed. Make : Philips Cat No BRP 710 LED 45 CW MR HY FDIM 50 Solar or equivalent in Wipro/ Bajaj. Note :- The unit rate is deemed to included for 6 mtr long MS/GI pipe of 50MM bore medium grade including necessary excavation, PCC foundation, coping, base plate and bend to shape and size suitable for fixing of above fitting all as specified and directed by Engr-in-Charge

Notes:- (a) The contractor shall submit to Engr-in-Charge LM-80 and LM-79 report including BIS certification. (b) The contractor shall submit warranty certificate from manufacturer for minimum 5 years. (c) The contractor shall also submit test report from the manufacture to comply with all requirements and specifications given in the contract. (d) The contractor shall also submit safety and performance standard compliance of IEC 60598-2-3 for road and street lights, IEC 62109-1 for power converters used in Solar Panel, EN 50530 for MPPT performance evaluation, IEC 61607 for EMC immunity, CISPR 15 for Radio disturbance characteristics, IEC 62133, IEC 61960 and UL 1642 for safety of lithium Ferro Phosphate battery and IEC 61730-1, 2 & IEC 61215 for safety of solar panel module. (e) The rates quoted deemed to be included 6 mtr long GI pipe of 50mm bore medium grade including necessary excavation, PCC foundation, coping, base plate and bend to shape and size suitable for fixing of above fitting all as specified and directed by Engineer-in-Charge.

Supply only GI pipe 80 mm bore medium grade for cable protection complete all as specified and as dierced by Engr-in-Charge. Make : Tata, Jindal, Surya Prakash Note : The unit rate is included for supply only and cutting existing road , excavation, Laying of any type/any bore of pipe in trenches including taking down any description and 150 mm thick PCC 1:2:4 type B1 as in road will be measured and paid separately.

XLPE insulated, screened, PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 185 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/Havells/Polycab

Cable jointing kit for 1.1 KV grade cable for outdoor stright through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armored aluminium conductor cable of size 185 sqmm to 300 sqmm. Make : Reychems, Densons, M-Seal

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms either from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 400 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :-

Earthing with Galvanised Earth Plate Electrode 600x600x 6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with Galvanised Earth Strip of size 25x6mm by means of Bolts, Nuts, Check Nuts and Washers of GI or Steel and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, Magneisum Sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in any type of soil, Returning, Filling in and Removal of surplus Spoil disposal to out side MD land and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one, complete all as per specified and as directed.

Note :- (a) All Joints should be joined by Exothermic Welding or Brazing.

(b) The rate of earthing strip upto 7.5 mtrs shall be included in the quoted rate and beyond 7.5 mtrs shall be measured and paid separately.

(c) After completion of work earthing shall be tested by the contractor in presence of Engineer-in-Charge, User and proper record shall be maintained duly signed by all concerned.

(d) Earth resistance tester shall be provided by the contractor. It should be caliberated from authorised company/ lab.

(e) After testing if desired earth resistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained.

Galvanised Earth Strip of size 25x6mm as earthing lead fixed to wall/roofs etc all as directed. NOTE : All Joints should be joined by Exothermic Welding or Brazing.

LAKSHMI ELECTRICAL ENTERPRISES

Neptune Engineers and Builders

SENTOOR BUILDERSS

Rajapriyaconstruction

NAVEEN ENTERPRISES

Lucky Enterprises

p.chinnasamy

devan enterprises

ARCHANA CONSTRUCTION CO