Construction, Testing and Commissioning of Lakhanmandi (MVS) Water Supply Scheme at Haldwani Block District Nainital.

Amount

Boulder Filled Gallery (BFG)

Excavation of earth mixed with shingle boulder etc requierd use of specials T&P such as pickaxes etc, lift up to 2.3 mtr including refilling of excavated earth in to the renches side of the cross wall and disposal of surplus earth up to a distance of 30 m.

P.C.C. in 1:4:8 with cement, local sand and 40mm gauge stone ballast including supply of material, labour, T&P etc. for proper completion of work.

Centring and shuttering including strutting,ropping etc. and removal of form for Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

RCC 1:1½:3 with cement coarse sand and 20 mm gauge gravel inclduing supply of all material, labour, T&P required for proper completion of the job.

Footing

Vertical Wall

MS work including cutting, bending anf fixing of 8 mm dia MS bar, necessary centring shuttring and supply of all matetial, labour & T&P etc. complete.

R R Stone masonary in proportion of 1:4 cement,sand or bajri mortar including supply of all material,labour,T&P etc,Required for proper complition of work.

Stone pitching where necessary including supply of all material, labour and T&P etc.

Supply and fixing32 mm dia for scour, outlet & wash out valves

Supply & fixing of 32 mm dia GI(M) Pipe for inlet, outlet connection

Supply & fixing of Perforated pipe for inlet 32 mm dia GI(M) Pipe

Diversion of water of Chenagad Gadhera having an average water around 66000 lpm by providing, pipes, sand bags, labour and all other unforseen items.

P.C.C. in 1:2:4 with cement, local sand and 20mm gauge stone ballast including supply of material, labour, T&P etc. for proper completion of work.

ROUGHING FILTER

Earth work in excavation by mechanical means (Hydraulic Excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out

P.C.C. in 1:4:8 with cement, local sand and 40mm gauge stone ballast including supply of material, labour, T&P etc. for proper completion of work.

Centring and shuttering including strutting,ropping etc. and removal of form for Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

RCC 1:1½:3 with cement coarse sand and 20 mm gauge gravel inclduing supply of all material, labour, T&P required for proper completion of the job.

Floor

Vertical Wall

MS work including cutting, bending anf fixing of 8 mm dia MS bar, necessary centring shuttring and supply of all matetial, labour & T&P etc. complete.

Supply and fixing 32mm dia gate valve

Fixing of inlet, outlet washout and overflow, pipes complete 32 mm dia

Provide and lay filter media as coarse sand and graded pebbles in specified layers in RCC R/F

Supply of coarse sand for filter media

6 to 25 mm dia

25 to 50 mm dia

SAFTY WALL OF GRAVITY SOURCE

RR masanory below plinth

RR masanory Above plinth

PCC above wall

CC Blocks below plinth

Pump Related Electrical Items.

Supply, Installation, Testing & Commissioning on turnkey basis for fully automatic pump automation control pannel of 1200Lpm of 120 mtr. head capaciy having intelegent unit having" FIELD PROGRAMMABLE LOGIC CONTROLER based SCADA operated pump motor startRun Control Protactagainst faults automatically operated controle and management system" for supervisory control and data acquasition system at pumping water supply schemes & two year freeof cost AMC for warranty period of following dutiesas per specifications sheet enclosed &suaitable for integrationsin the existing system including cartage from works of manufactures up to site of work Capacity of 1200Lpm of 120 mtr. head.

Supply of Energy Submersible Pumpsets of various duty parameters, 2000Lpm of 140 mtr. Head.

Supply of Energy Submersible Pumpsets of various duty parameters, 600Lpm of 140 mtr. Head.

Supply and fixing of 400 Amp TPN main switch 3 phase, 415 volt, 50 H havells make heavy duty double break main switch with HRC fuse making connection at this testing complete work etc at dewala talla tubewell.

Supply installation testing and commissioning of three phase digital rolling contract survo voltage stabilizer suitable for unbalnce voltage and unbalanced load including fixing of proper size copper lugs on input and output cables on both ends at different sites on turnkey basis including 5 year cost free maintenance

Input voltage 330-460 volts (Phase to phase)

Main piping and valves as per specification.

Supply of Heavy Duty Suitable 16mm thick MS Flanged, Cutting of Edges/Thread of column pipe for fixing of Heavy Duty suitable flange for two end on column pipe, fixing of 4 Nos. triangle corner each side on column pipe for supporting of flange, cutting of Grooves in flanges for submersible cable (2 Nos. on each side). Drilling of 8 hole on each side of flange for jointing of column pipe including supply of all labour T&P required for the proper completion of work.

150mm dia

150mm dia size column pipe clamps.

Tool Kits

Lifting tackle 10 tonne capacity Chain pulley.

Installation.

INJECTING DOZER

Supply & Installation of Electronically controlled,Electrically actuated,diaphragm operated,chemical metering pump,wall mounting suitable for deliveing up to 6 Litres of chemical solution/sodium hypochlorite solution per hour under maximum delivery pressure up to 10.0KG/cm2 and suction lift not less than 1.5 meter with accessories.

PUMP HOUSE REPAIR

Providing and laying in position 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) grade of Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. - for Thermo-Mechanically Treated bars

Centering and shuttering including strutting,ropping etc. and removal of form

Slab, Chhajja

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in Cement mortar 1:6 (1 cement : 6 coarse sand).

12 mm cement plaster of mix 1:6 (1 cement: 6 coarse sand).

Providing and laying in position cement concrete of 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) grade. - Apron

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Distempering with 1st quality acrylic distemper (ready mixed) of approved manufacturer, of required shade and colour complete, as per manufacturer’s specification. - New work (Two or more coat )

Finishing walls with exterior paint of required shade - New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including base coat of water proofing cement paint applied @ 2.20 kg/ 10 sqm).

Chequered terrazzo tiles 22 mm thick with graded marble chips of size up to 6 mm in floors, jointed with neat cement slurry mixed with pigment to match the shade of the tiles, including rubbing and polishing complete, on 20 mm thick bed of cement mortar 1:4 (1 cement :4 coarse sand). - Medium shade pigment using 50% white cement, 50% ordinary cement

Providing and fixing to existing door frames - 24 mm thick factory made PVC door shutters made of styles and rails of a UPVC hollow section of size 59x24 mm and wall thickness 2 mm ± 0.2 mm with inbuilt edging on both sides. The styles and rails mitered and joined at the corners by means of M.S. galvanized/plastic brackets of size 75x220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserting galvanized M.S. tube of size 20x20 mm and 1 mm ± 0.1 mm wall thickness.

The lock rail made up of ’H’ section, a UPVC hollow section of size 100x24 mm and 2 mm ± 0.2 mm wall thickness fixed to the shutter styles by means of plastic/galvanized M.S. ‘U’ cleats. The shutter frame filled with a UPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm ± 0.1 mm wall thickness. The panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanized M.S. rod and fastened with nuts and washers, complete as per manufacturer’s specification and direction of Engineer-in-charge. (For W.C. and bathroom door shutter).

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. - Using M.S. angels 40x40x6 mm for diagonal braces.

Steel work welded in built up section/framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using steel etc. as required. for window, ventilator and similar works. use angle, square bar, etc

Providing & fixing glass panes with putty and glazing clips in steel windows & ventilator all complete. With 4.0 mm thick glass panes.

Structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. - ISMB 300 x 140

Painting Steel work(doors, windows, etc.) with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @0.90 ltr/10 sqm over an under coat of primer applied @ 0.80 ltr/ 10 sqm of approved brand or manufacture.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. for external works.

25 mm dia nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. for internal works.

20 mm dia nominal bore

Providing and fixing brass bib cock of approved quality.

15 mm nominal bore

20 mm nominal bore

Providing and fixing C.P. brass shower rose with 15 or 20 mm inlet.

150 mm diameter

Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required.

White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests.

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required.

White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps

Providing and fixing Stainless Steel A ISi 304 (18/8) kitchen sink as per IS: 13983 with C.I. brackets and stainless steel plug 40 mm, including painting of fittings and brackets, cutting and making good the walls wherever required.

Kitchen sink with drain board

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Circular tank

Excavation of earth below G.L. by manually or by mechanical means for laying of Sewers, Manholes, Gully pits, Chambers etc. in soil including extra excavation below inverts, trimming and dressing of sides, leveling and back filling of trenches by excavated earth in 20cm layers, watering and ramming the same including removal of surplus earth or other dismantled material upto a distance of 50 meters from the centre of trenches and cleaning of sites properly after completion of the work. Excavation by mechanical means shall be restricted upto 90 cm above invert levels at every point of excavation. Excavation from invert levels to 90cm above shall be done manually only.

Soil mixed with moorum, shingle & kankar etc. using of any specials, T&P, if required. (95% of relevant quantity)

0.00m to 1.50m B.G.L.

Supply & Laying-Jointing of following dia R.C.C. S&S pipes with rubber gaskets to the site of work, lowering the same into trenches below ground level true to alignment, making the joints with rubber gaskets and with necessary spun yarn soaked in bitumen jointing with 1:2 cement mortar in coarse sand including cost of all jointing materials and testing etc. complete but excluding excavation and back filling of trenches upto ground level. (Class - NP3)

150mm dia

0.00m to 1.50m B.G.L.

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design.

Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg)

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

NEW BOUNDRY WALL 50mtr

Earth work in excavation by manual means in foundation trenches or drain (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of side and ramming of bottoms, lift upto 1.5 m including getting out the excavation soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil

Ordinary rock

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level.

1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40 mm nominal size)

Ist class Brick work 1:6 in foundation including necessary cutting and moulding as required and thickness of wall one brick. including supply of all materials, labour and T&P etc. required for proper completion of the work

Ist class Brick work 1:6 in super structure including necessary cutting and moulding as required and thickness of wall one brick. including supply of all materials, labour and T&P etc. required for proper completion of the work

PC plaster with cement mortar in 1:6 (one cement and six local sand) minimum thickness 12 mm including raking of joint upto 1.27 cm 10 1/2 '' depth and also including supply of all materials labour T&P and require for proper completion of the work

Finishing walls with 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives. New work (Two or more coats applied @ 1.43 litre/ 10 sqm. Over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm.

Centering shuttering including struttings, propping etc. and removal of form work

Lean Concrete

3.6 WIDE MILD STEEL GATE

Earth work in excavation by manual means in foundation trenches or drain (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of side and ramming of bottoms, lift upto 1.5 m including getting out the excavation soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil

Ordinary rock

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level.

1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40 mm nominal size)

Ist class Brick work 1:6 in foundation including necessary cutting and moulding as required and thickness of wall one brick. including supply of all materials, labour and T&P etc. required for proper completion of the work

Ist class Brick work 1:6 in super structure including necessary cutting and moulding as required and thickness of wall one brick. including supply of all materials, labour and T&P etc. required for proper completion of the work

PC plaster with cement mortar in 1:6 (one cement and six local sand) minimum thickness 12 mm including raking of joint upto 1.27 cm 10 1/2 '' depth and also including supply of all materials labour T&P and require for proper completion of the work

M.S. work in heavy size such as build up gates doors, frames etc wrought to required from including drilling of holes revanting of welding share necessary and also including supply of steel bolts, nuts etc and their fixing required for proper completion of work

Acrylic smooth exterior paints three coats on pillars

Painting two coats of approved paint over one base (priming coat) on new surface of Gate and Pillars

Centering shuttering including struttings, propping etc. and removal of form work

For CC work

MISCELLINOUS WORK

Finishing walls with Acrylic Smooth exterior paint of required shade :New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm) sqm 164.70(Outerside)

Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litre of approved brand and manufacture to give an even shade : Old work (one or more coats)

Welding Works

Earthwork for pipe line.

Excavation in Pipe Line Trenches Excavation in soil mixed with single bouldres etc. requireing the use of specials T&P, if any, for pipe line trenches including lift up to 1.5M and lead up to 30M with back filling, watering, ramming of excavated earth in the trenches.

Providing of all materials, Carting from site store to site of work, Laying & Jointing of G.I screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc) in trenches with its cutting, threading and testing of pipe line etc complete.

100 mm dia GI Pipe

80 mm dia GI Pipe

65 mm dia GI Pipe

Supplying of C.I. D/F Sluice Valves Confirming to IS: 14846-2000 (Kirloskar or equivalent) Valves Including Carting the same upto the site of work as per engineering norms (with cap) complete with bolts, nuts, rubber insertions etc. anywhere in uttarakhand.

C.I. D/F Sluice/ Gate Valve

Pressure PN 1.0

65 mm dia

80 mm dia

100 mm dia

Supplying, Installation, testing and commissioning of Non Return Valves Including Carting the same upto the site of workas per engineering norms anywhere in uttarakhand.

C.I. D/F Non Return Valves

Pressure PN 1.0

65 mm dia

80 mm dia

100 mm dia

Supplying and Installation of Air Valves as per engineering norms of approved quality with bolts, nuts, rubber insertions etc. complete anywhere in uttarakhand

D.I. Air Valve Double Acting

50 mm dia

Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Making connection with the existing M.S. Galvanised mains of upto 25mm nominal dia, including cutting and threading of pipe, bailing out water, fixing, if required, specials and testing etc. complete, but excluding cost of insertion pipes and specials besides boring out (and also subsequent back fill) existing main.

OHT REPAIR

Supply Of Cleaner for Clean & Condition of OHT

Supply Of High Voltage epoxy to Arrest Leakages

Labour Charge over supply cost of above Repairing Material.

For Pipe Laying

Dismantling of flexible pavements and disposal ofdismantled materialsupto alead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specification Clause 202

Excavation in soil mixed with shingle bouldres etc. requireing the use of specials T&P, if any, for pipe line trenches including lift up to 1.5M and lead up to 30M with back filling,waterring and ramming of Excavated earth in the trenches.

Providing of all materials, Carting from Site store to site of work. Laying & Jointing of GI Pipes confirming to IS : 1239 (Part-1) including supply of all jointing materials like specials, white lead, hemp and oil etc in trenches with its cutting, threading and testing of pipe line etc complete

G.I. PIPE CONFORMING TO IS : 1239 (PART-1) -2004

Medium Duty (Class 'B')

50 mm dia GI Pipe

100 mm dia GI Pipe

150 mm dia GI Pipe

Replacement and reparing of exsiting pipeline and Valve.

Dismantling of following dia screwed and socketed G.I. Pipes, specials and fittings including taking out of dismantled G.I. pipes and specials from trenches and stacking them properly within 50m but excluding the cost of earth work (Note :- This item shall be paid with the condition that the recovered pipe from dismantling is reusable.)

Dismantling of G.I. pipes.

80 mm dia GI Pipe

Laying & Jointing of G.I screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc. etc.) in trenches with it's cutting, threading and testing of pipeline etc. complete.

80 mm dia GI Pipe

Welding Works

Making connection with the existing M.S. Galvanised mains of upto 25mm nominal dia, including cutting and threading of pipe, bailing out water, fixing, if required, specials and testing etc. complete, but excluding cost of insertion pipes and specials besides boring out (and also subsequent back fill) existing main.

Supplying of C.I. D/F Sluice Valves Confirming to IS: 14846-2000 (Kirloskar or equivalent) Valves Including Carting the same upto the site of work as per engineering norms (with cap) complete with bolts, nuts, rubber insertions etc. anywhere in uttarakhand.

C.I. D/F Sluice/ Gate Valve

Pressure PN 1.0

50 mm dia

100 mm dia

150 mm dia

Supplying and Installation of Air Valves as per engineering norms of approved quality with bolts, nuts, rubber insertions etc. complete anywhere in uttarakhand

C.I. Air Valve Double Acting

65 mm dia

Supplying and Fixing of Fire Hydrant Valve IS 5290 (Flanged) Including carting the same upto site of work and fixing the same and water supply line Including the cost of valves,specials,labour and T&P Complete in all respect.

80 mm diameter

Supplying and Fixing of Pressure Control Valve IS 5290 (Flanged) Including carting the same upto site of work and fixing the same and water supply line Including the cost of valves,specials,labour and T&P Complete in all respect.

100 mm diameter

Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With common burnt clay F.P.S.(non modular) bricks of class designation 7.5. For in line pressure Transmeter in distribution network.

FLOW METER

Providing & Fixing Ultrasonic Water Flow Meter for Bulk pipe lines inline type, flange end with Integral mounted, Flow rate & Totaliser display, Battery operated (wih five year battery life) Communication : UART/RS485, Suitable against antifraud attempts etc. including all necessary fittings complete.

At Distribution For DMA

50 mm dia nominal bore

100 mm dia nominal bore

150 mm dia nominal bore

Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design : With common burnt clay F.P.S.(non modular) bricks of class designation 7.5. For in line pressure Transmeter in distribution network.

Excavation in soil mixed with single bouldres etc. requireing the use of specials T&P, if any, for pipe line trenches including lift up to 1.5M and lead up to 30M with back filling, watering, ramming of excavated earth in the trenches.

15 mm dia GI Pipe

Providing of all materials, Carting from site store to site of work, Laying & Jointing of G.I screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc) in trenches with its cutting, threading and testing of pipe line etc complete.

15 mm dia GI Pipe

Making ferrule connection in the existing main of G.I, A.C, PVC or any type of pressure mains with saddle piece, service connections, fittings and fixing of G.M. ferrule including tapping the main, but excluding the cost of earth work and cost of all materials. 19.01 Ferrule Connection (Labour cost only)/Connection

Ferrule Connection (Labour cost only) for shifting of connection.

Cost of Material for ferruling in FHTC per connection as Lump Sum

M/S BUDDHA CONSTRUCTION

UMA SHANKAR SINGH