Construction of Dudhai water supply scheme

Construction of Dudhai water supply scheme including supply, installation testing & commissioning of souce work gravity main & distribution system construction of CWR all appurtenance works etc complete and related works

(Source) & Related Components -Boulder Filled Gallery (BFG) - Construction of Boulder Filled Gallery 5.0 Meter including all labour & Materials , Machinary etc Complete. as per Attached Drawing andunit Estimate.

SCC cum Roughening Filter:Supply of all materials,labour T&P etc. for construction of Boulder Filled Gallery complete in all respects

IOT Based Monitoring System including all Pressure Sensor, Mechanical flow Meter Sensor,Chlorine Sensor with all including accessories.

Raw Water Rising Main & (OHT/ GLSR / CWR)Outside Village Water Supply Works -EARTHWORK FOR CUTTING, FILLING AND DISPOSAL OF SURPLUS EARTH (GRAVITY MAIN) - Excavation in Pipe Line Trenches Excavation in ordinary soil (loam, clay, sand) for foundation including lift up to 1.5M and lead up to 30M filling waterring and ramming of Excavated the earth in to the trenches or into the sides between foundation trenches or in to the plinth (75% of Total Quantity)

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.(25% of Total Quantity)

PROVIDING AND LAYING OF PIPES (GRAVITY MAIN) 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.- G.I. PIPE CONFORMING TO IS : 1239(PART-1) - 50 mm

50mm dia

Supplying of Air Valves as per engineering norms of approved quality with bolts, nuts, rubber insertions etc. complete anywhere in uttarakhand C.I. Air Valve (Screwed) - 15 mm Diameter

Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100mm 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 20mm 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 : 18.33.1 With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

CWR/ GLSR - Supply of all materials, labour, T&P etc and construction of R.C.C. CWR of following capacities ( in kiloliters ) with M.S. ladder outside & inside of the tank, M.S. M.H. cover with locking arrangement, supply and fixiing of outlet, inlet, over flow and wash out pipes with necessary sluice valves, pipe pieces (including cost of materials) flooring 0.60 M wide apron, painting on tank body vertical pipes, ladder, M.S. M.H. cover etc. complete with approved water proofing (apex) / enamal paint, testing, filling water for testing purpose etc. including supply of vertical pipes and specials, assuming bearing capacity as 8MT/M2- CWR of 22.5 KL

CWR of 12.5 KL

CWR PROTECTION WORK - Random Rubble Stone Masonry laid in 1:6 cement and sand mortar, in breast walls, retaining walls, parapets, scuppers, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specifiction

Providing and laying of wire crates 3.00x1.50x1.50 in size with GI wire conforming to IS: 280 & IS:4826 in 150mm x 150mm mesh laid with stone boulders. as per direction of Engineer-in- charge. (As per PWD Uttarakhand specifications)-GI wire 10 gauge BWG

Dismantling of Road - Dismantling of flexible pavements and disposal of dismantled materials upto alead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specification Clause 202 (Considering 20%)

Dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 Cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately (Considering 30% Length)

Restoration of Road - Construction of Un-reinforced, Cement concrete pavement, thickness as per design, over a prepeared sub base with 43 grade cement or any other type PCC Grade M-30, coarse and fine aggregates conforming to IS: 383,maximum size ofcoarse aggregate notexceeding 25 mm,mixed in a concrete mixer of not less then 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (Steel channel, laying and fixing of wedges, steel plates including levelling the formwork and laying and fixing of 125 micron thick polythene film, as per drawing), spreading the concrete with shovels, rakes, compacted using needle, and plate vibrators, finished in continuous operation and curing of concrete slabs for 14 days, using curing compound where specified and water finishing to lines and grade as per drawings and technical specifications.

EARTHWORK FOR CUTTING, FILLING AND DISPOSAL OF SURPLUS EARTH (DISTRIBUTION MAIN)- Excavation in Pipe Line Trenches Excavation in ordinary soil (loam, clay, sand) for foundation including lift up to 1.5M and lead up to 30M filling waterring and ramming of Excavated the earth in to the trenches or into the sides between foundation trenches or in to the plinth (75% of Total Quantity)

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.(25% of Total Quantity)

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

PROVIDING AND LAYING OF PIPES (DISTRIBUTION MAIN) -GI pipe for water supply conforiming to IS:1239.1.2004 Proving of all materials, carting from site store to site of work, Laying & Jointing of GI screwed pipes (including supply of all jointing materials like specials, white lead, hemp and oil etc) in trenches with its cutting, threading an testing of pipe line etc complete. Medium Duty (Class 'B') - 15 mm dia G.I Pipe

20 mm dia G.I Pipe

25 mm dia G.I Pipe

32 mm dia G.I Pipe

40 mm dia G.I Pipe

50 mm dia G.I Pipe

Valves & Valve Chambers (DISTRIBUTION MAIN) Supplying of Brass/G.M. Sluice 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. Brass/G.M. Valve - 25 mm dia

32 mm dia

Supplying of Brass/G.M. Sluice Valves (Scouring Purpose) 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. Brass/G.M. Valve IS 778 Class-I(Scouring purpose) - 20 mm dia

Supplying of Air Valves as per engineering norms of approved quality with bolts, nuts, rubber insertions etc. complete anywhere in uttarakhand.C.I. Air Valve (Screwed) - 20 mm Diameter

Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100mm 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 20mm 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 : 18.33.1 With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Supply of dry dial,Woltman type,Magnetically coupled class-B tamper proof Bulk Water Meters with removable mechanism ,megnetic drive,hermetically scaled ,pre-equipped for remote reading as per IS:2373-1981 and ISO:4064 standard with EEC/MID certification mark shall be with protection class of IP68 for wireless AMR water meter with guarantee/warranty of following sizes along with strainer. At Outlet of OHT - 50mm

House Hold Connections - Supply of all labour, material required for restoring of existing house connection which might be damage during excavation and also shifting all existing connection to new water supply system from existing water supply system complete as per unit estimate and directed by Engineer in-charge. 15 mm size water connections.(Considering 20% of 2020 Households)

Providing and making New house service connections from water supply distribution GI pipe line upto water meter chamber inside the property using GI pipe including supply and fixing of electrofussion saddle ,brass ferrules elbow, ball valve etc complete with earthwork, road cutting with restoration works

Interconnection of new pipe line to existing pipe line including necessary cutting, supply and Installation of required specials fittings all as per direction of Engineer-In- Charge. - 15-25

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube osts/horizontal members/ bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m.

O&M for trial and testing of pipe.

Testing of Pipe (GI, HDPE & DI pipe) which includes a) Parameters (Physical & Chemical) b) Tensile Strength Properties Note; Additional Details are shown in Quotations

Narendra Kala