Retrofitting of Dhapla Water Supply Scheme including Rising main, Distribution Main and Distribution Pipe Lines and FHTC etc. situated in Kotabagh Block of District Nainital

Rates for Retrofitting of Dhapla Water Supply Scheme including Rising main, Distribution Main & Distribution Pipe Lines & FHTC etc. situated in Kotabagh Block of District Nainital..

Earth work in excavation

PCC 1:3:6 in Foundation

CR Stone Masonry 1:4 CM

20 mm Cement plaster CM 1:6 on inner face of chamber

Raised pointing on out side of chamber

80 mm thick PCC in 1:2:4 in chamber floor

RCC 1:2:4 in slab

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete.

40 mm thick PCC 1:2:4 in coping

MH cover 600 x 600 mm with locking arrangement

PVC Foot Steps Confirming to IS: 10910 -Pattern-2 (Heavy)

150 mm dia GI medium class perforated pipe 2 Nos., having 10 mm dia holes 25 mm apart laying at gradient 1:50

Filling pebbles or stone 25 mm to 50 mm size in gallery for water interception including making 6.00 x 1.00 x 1.00 volume as internal chamber around perforated pipe (in Reverse Slope 1:10)

30 cm dry stone pitching with large stones

MS V-notch 900 x 150, 8 mm thick

50 mm dia GI medium class pipe with plug for washout

100 mm dia GI medium class pipe with wire net on mouth for overflow

100 mm dia GI both end flanged pipe with blind flange and nut bolts for Bye-pass arrangement during construction of cross wall

Painting of MS work two coats of Black Japan paint over one primer coat

WPC painting on outer exposed surface of approved quality (same area as pointing)

CI grating 300 x 300 at inlet chamber = (150x150 mm)*4

Other unforeseen items (5% of item 1 to 21)

Roughening Filter for Spring Source

Earth work in excavation in soil mixed with moorum, shingle, boulder etc.

PCC 1:4:8 in foundation (Base)

CR stone masonry in 1:4 cement & sand mortar

20 mm thick plaster 1:2

20 mm thick PCC 1:2:4 in flooring

40 mm thick PCC 1:2:4 in coping

80 mm thick RCC slab in 1:2:4

MS work in slab (1% RCC by volume)

MH cover 600 x 600 mm

Pointing on outer face with 1:2 CM above apron

Supply & fixing of 16 mm dia plastic coated MS foot steps

Supply & fixing of 90 mm dia PVC pipe for connecting under drainage system with outlet chamber

Supply & fixing of MS cover 600 x600 mm size with locking arrangement with 40 x 40 x 5 mm angle iron frame & 18 gauge MS sheet cover

Supply & filling of filter media i) Gravel 6 mm to 15 mm size

ii) Gravel 16 mm to 25 mm size

iii) Gravel 26 mm to 40 mm size

Supply & fixing of 50 mm dia GI (M) washout pipe with plug at outer end

50 mm dia GI medium class pipe with GI wire mesh at outer end for overflow.

CI foot steps

Painting with two coats of Black Japan paint over one coat of red oxide primer on iron work

Unforeseen Items (5% of items 1 to 17)

Bill of Quantity of Risingmain Pipe Line

Excavation in soil mixed with single boulders etc. requiring 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. Total excavation required

Providing of all materials, Carting from site store to site of work, Laying & Jointing of G.I 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. 65 mm dia

80 mm dia

Constructing masonry Chamber 90x90x100 cm, inside with 75 class designation brick work in cement mortar 1:4(1 cement: 4 corase 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) 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

Retaining Wall & Pipe supporting column.

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 oil and disposal of surplus excavated soil as For retaining wall For column Total Excavation required

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:3:6 (1 Cement : 3 coarse sand (zone-III): 6 graded stone aggregate 40 mm nominal size For retaining wall For column Total PCC required

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand) For retaining wall For column Total RR masonry quantity req.

Other unforeseen items (5% of item 1 to 3)

Cost of Construction of CWR 35 KL

Supply of all materials, labour, T&P etc and construction of RCC CWR of capacity (35 kiloliters) with M.S ladders outside and inside of the tank M.S. M.H. cover with locking arrangement, supply and fixing of outlet, inlet, over flow and wash out pipes with necessary sluicevalves, pipe pieces (including cost of materials) flooring 0.60M wide apron, painting on tank body, water proofing (apex) / enamel paint, testing, filling water for testing purpose etc. including supply of vertical pipes and specials, assuming bearing capacity as 8 MT/M2

Estimate for Hiring of Godown

Hiring of Godown (Renting a covered area nearer to construction site for placing necessary ongoing required items during construction period of the scheme)

Cost of Chlorinator

Supply and Installation of electronic Dozing Chlorinator minimum pressure 10 Kg/sqcm at site with fastning equipment and all fitment complete in all respect.

Cost of Soak Pit

Constructing soak pit 1.20 x 1.20 x 1.20 m filled with brickbats including S.W. drain pipe 100 mm diameter and 1.20 m long complete as per standard design. No. of Soak pit needed in Dhapla revenue village are as- Dhapla

Unit Estimate of Check Dam

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m 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 soils as directed, within a lead of 50 m. Ordinary rock (Cross wall Foundation).

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand) (Cross wall)

Site clearance

Bill of Quantity Dhapla

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) Medium Duty (Class 'B') New Pipe 15 mm dia for house shifting of existing FHTC connection @ 18 mtr per Connection

15 mm dia for providing proposed FHTC connection @ 30 mtr per Connection

25 mm dia

32 mm dia

40 mm dia

50 mm dia

65 mm dia

80 mm dia

100 mm dia

Providing and Fixing Brass G.M Valve/ Wheel Valve in position including all material labourer. T&P etc. complete. 32 mm dia

50 mm dia

80 mm dia

C.I. D/F Sluice Valves Confirming to IS: 14846- 2000, Pressure PN 1.6 100 mm dia

Excavation in soil mixed with single boulders etc. requiring 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.

Constructing masonry Chamber 90x90x100 cm, inside with 75 class designation brick work in cement mortar 1:4(1 cement: 4 corase 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) 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

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Cement Concrete Pavement, Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.

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. Ferrule Connection charges for existing and proposed FHTC, (Labour cost only)

Cost of Material for ferruling, Clamp etc. in proposed FHTC, (per connection).

A K UPADHYAY