Construction of 1 Package type IRP Unit of capacity 10000 GPH x 2 MS Vessel

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 the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. -All kinds of soil.

Supplying and filling in plinth, under floor, foundations etc.with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. -All kinds of soil.

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

i)1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 40 mm nominal size).

ii)1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size).

First class brick work in foundation and plinth including cost of all materials as required complete:- In cement mortar 1:4 ( 1 cement : 4 fine sand ).

First class brick work in superstructure above plinth level & upto floor-five level including cost of all materials as required complete. In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Half brick masonry work with first class bricks in superstructure upto floor five level including cost of all materials as required complete:- In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto Plinth level/above plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering shuttering including struttings, propping etc. and removal of form work for: i) Foundations, footings, bases for columns.

Centering shuttering including struttings, propping etc. and removal of form work for: i)Lintels, beams, plinth beams, girders, bressumers and cantilevers with wooden plank.

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement -All work upto plinth level: i)1:2:4 ( 1 Cement: 2 fine sand : 4 graded well burnt brick aggregate 20 mm nominal size)

Providing and laying cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded well burnt brick aggregate) flooring finished with a floating coat of neat cement including cement slurry, rounding of edges and strips etc. all complete as per direction of the Engineer-in-charge. i)40 mm thick with 20 mm well burnt brick aggregate.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes .

Providing corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead and including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces) excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. i)0.63mm thick with zinc coating not less than 275gm/m2 .

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, & with cleats with bolts & nuts, rivets, locking arrangement, handles, hooks & eyes, pinlets including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required:- Using M.S. angels 40x40x6 mm for diagonal braces

12 mm cement plaster of mix. In cement mortar 1 : 4 ( 1 cement : 4 fine sand ).

Neat cement punning

Painting with synthetic enamel paint of approved brand and manufacture to give an even [Payment shall be made after submission of Test Certificate issued by the Manufacturer]: Two or more coats on new work.

Finishing walls with water proofing cement paint of required shade of approved brand and manufacture [Payment shall be made after submission of Test Certificate issued by the Manufacturer]: New work (two or more coats applied @ 3.84 kg/10 sqm) complete

10000 GPH capacity package type IRP of P/H-12

Providing, installation and commissioning of package type Iron Removal Plant comprising of Iron Removal Filter of dual media filter with anthracite coal, filter gravel, polypropelene double hexagonal nut strainer etc., mixing chamber for coagulants like sodium alluminates etc., oxidation chamber with manganese dioxide , metering pump for coagulant dosing, air compressor of suitable capacity with motor, back washing arrangements, disinfection with sodium hypochlorite solution through metering pump, all necessary pipes for raw water collection, inter connecting all the chambers, delivery outlet of 150 mm dia alongwith all related civil, mechanical and Electrical works etc. complete as per approved drawing, process flow, technical specification and direction of the Engineer - in - charge. G) 10000 GPH capacity

Complete operation ,upkeepment and maintenance of whole IRP plant including of its all equipments along with operation of raw water and clear water pumps as per requirement of Department for supplying clear water and making minimum 1(one) hour backwashing of plant like IRP vessels in everyday etc. complete in all respect as per direction of the Engg-in-charge.

Supplying ,mixing and dosing of chemicals like Alumina Ferric (Alum) ,Bleaching powder(Gr-1) in the raw water of required quantity through gravity/pressure/metering pump etc complete in all respect as per direction of the Engg-in-charge.

10000 GPH capacity modular IRP for NTH Block

Providing, installation and commissioning of Modular Iron Removal Plant comprising of standard composite pressure dual FRP Filter Vesel size(48"x72"), 1(one) no Oxidation chamber FRP Vesel size (18"x65") comprising of MnO2 size (10 mm to 30mm), dual stainer, Multiport valve for operating vesels, Iron Removal filter media comprises of Gravels size (30mm to 3mm), Course sand having 90% silica contant size (0.5mm to 1mm), Green Sand Plus size(0.45-0.55 mm),Coefficient of uniformity: 1.6 or less, Resin/ MZ10 Plus Uniformity Coefficient, <1.6. Specific Gravity, 2.4. Porosity (approx.) 0.45 and Granular Activated Carbon 1100(Iv) Iodin Value, chlorine generator (25 gm/hr) Electro - chlorinator producing hypo- chlorite solution using common salt as raw materials for oxidation & disinfection through metering pump & multiport valve provided to operate the system very easily by changing the knob into back wash, close filtration mode whenever needed including fitting fixing of necessary pipe line for raw water, interconnection all chambers delivery outlet including all specials like as UPVC Tee, L-bow, U-joint, Ball Valve,pressure gauge etc. as required with suitable engineering plastic as per standered drwaing and direction of the Engineer-in-charge.

A) 10000 Ltr. Per hour capacity

Complete operation ,upkeepment and maintenance of whole IRP plant including of its all equipments along with operation of raw water and clear water pumps as per requirement of Department for supplying clear water and making minimum 1(one) hour backwashing of plant like IRP vessels in everyday etc. complete in all respect as per direction of the Engg-in-charge.

Supplying ,mixing and dosing of chemicals like Alumina Ferric (Alum) ,Bleaching powder(Gr-1) in the raw water of required quantity through gravity/pressure/metering pump etc complete in all respect as per direction of the Engg-in-charge.

D. Pipeline remodelling for shifting of IRP at P/H-12

Dismantling old C.I. / D.I. pipes including excavation and refilling trenches after taking out the pipes, breaking lead caulked joints, melting of lead and making into blocks including stacking of pipes at site lead upto 50 metre as per CPWD specification and direction of the Engineer - in - charge.

iv) 150 mm dia

v) 200 mm dia

Providing and laying S & S Centrifugally Cast ( Spun ) Ductile Iron Class K-7 Pipes conforming to IS : 8329 as per CPWD specification and direction of the Engineer - in - charge.

iv) 150 mm dia Ductile Iron Class K-7 pipes

vii) 200 mm dia Ductile Iron Class K-7 pipes

Charges for laying S & S Centrifugally Cast ( Spun ) Ductile Iron Class K-7 Pipes conforming to IS : 8329 as per CPWD specification and direction of the Engineer - in - charge.

iii) 150 mm dia

iv) 200 mm dia

Providing and fixing DI specials as per CPWD specification and direction of the Engineer - in - charge.

A)D.I. all socketted Bend 90 degree

iii) 150 mm dia

iv) 200 mm dia

G) D.I.Collar flanged socketted

iv) 150 mm dia

v) 200 mm dia

J. D.I Flanged sockoted tail piece

iv) 150 mm dia

v) 200 mm dia

K. D.I Flanged spigotted tail piece

iv) 150 mm dia

v) 200 mm dia

Providing and fixing C.I. sluice valves with cap complete with bolts,nuts, rubber insertions etc. ( the tail pieces if required will be paidseparately ) as per CPWD specification and direction of the Engineer - in - charge.

vi)150 mm dia , PN-1.6

vii)200 mm dia ,PN-1.6

Excavating trenches of required width for pipes, cables etc. including excavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500 mm including getting out the excavated soil and backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil with all required leads as per Chapter - 2 of CPWD specification and direction of the Engineer - in - charge. A. For UPVC pipes in new work a) All kinds of soil .B) For G.I/C.I/D.I pipes in new work a) In all kinds of soil

ii) For pipes exceeding 90 mm dia but not exceeding 300 mm dia

E) Brick Soling pavement for approach road

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or10sqm on plan) including dressing of sides and ramming of bottoms, lift upto1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed,within a lead of 50 m.-All kinds of soil

Sand filling in foundation trenches as per drawing & MoRT&H technical specification clause 304.

Brick Soiling i) brick on edge soiling Providing and laying brick on edge soling layer on prepared subgrade accoeding to lines, grades and cross-section shown on the drawing, filling joints with sand, watering and rolling the same with three wheeled road roller 80-100 kN as per MoRD Technical Specification Clause 412.