Data Rates-Dam Works-Part 3

8/13/2019 Data Rates-Dam Works-Part 3

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C. LABOUR:

Sl No Unit Amount

in Rs.

1 Heavy mazdoor Day 1.00 130.50 130.50

0.00 0.00 0.00

Total Rs: 130.50

Add for small Tools and Plants @ 1% Rs: 1.31

Add for Contractor's Profit @ 10% Rs: 13.05

Add for hidden cost on Labour @ 15% Rs: 19.58

Add for additional hidden cost on labour @ 5% Rs: 6.53

Add for Contractor's Overheads @ 5% Rs: 6.53

Total cost of Labour : Rs: 177.48

ABSTRACT:

A. Cost of Materials Rs: 8642.00

B. Hire charges of Machinery Rs: 0.00

C. Cost of Labour Rs: 177.48

TOTAL Rs: 8819.48

Add for enabling works @ 1.40% Rs: 123.47

Total cost for 1.00 test Rs: 8942.95

Rate per 1.0 test Rs: 8943.00Rate approved per test Rs: 8943.00

SECTION: DAM AND ALLIED WORKS. YEAR : 2010-11 ITEM No: 10

ITEM: Providing and fixing 25 mm dia 3 m long cold twisted deformed steel dowel bars with one end

driven into 38 mm diameter 1.50 m deep hole drilled in bed rock and other end provided with

L-bend for embedding in concrete / masonry of over flow / non-over flow blocks and other

appertenant works including cost of drilling and cleaning hole, filling hole with cement slurry,

driving anchor rod, cost of all materials, machinery, labour etc., complete with initial lead upto

1 km and all lifts.

DATA:Consider 25 anchor rods for analysis.

Depth of drilling for 25 holes of 1.5 m depth each ( 25 x 1.5 ) : 37.50 m

Weight of 25 mm dia rods 3 m long @ 3.85 kg / m ( 3 x 3.85 ) : 11.55 kg

Cement for grouting per hole : 3 kg

Rate of drilling by heavy duty Jack hammer / hr with 50 min / hr working : 6.00 m

Consider 2 heavy duty Jack hammers for drilling.

Time for drilling 37.5 m duly considering frequent shifting say : 3.5 hours

1. Requirement of materials:

25 mm dia ribbed steel with 2.5 % wastage ( 25 x 11.55 x 1.025 ) : 296 kg

Cement with 1 % wastage ( 25 x 3 x 1.01 ) : 76 kg

Air hose 25 mm dia. for supplying air to 2 jack hammers. : 7 hours useUse of 38 mm drill rod : 37.5 m

2. Requirement of machinery :

Deploy 2 heavy duty jack hammers for 3.5 hours for drilling holes.

Deploy 8.5 cmm Air compressor for 3.5 hours for air supply.

3. Requirement of workforce ( other than machinery crew ) :

Deploy 0.5 barbender for preparing anchor rods.

Deploy 0.5 mason Class-II and 1 heavy mazdoor for fixing anchor rods.

4. Rehandling lead :

in Rs.

Description Quantity Rate

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As both cement and steel are generally stored at site beyond 150 m from work area and are

then rehandled, as and when required for works, 1 km rehandling lead including loading and

unloading is considered.

5. Use rate of materials :

Cost of 38 mm drill rod @ Rs: 3833.50 / Each Rs: 3833.50

Life of drill rod for drilling in hard rock : 150 m

Use rate of drill rod per m drilling ( cost / life ) Rs: 25.56

Cost of 25 mm dia air hose 50 m @ Rs: 150.00 / Rm Rs: 7500.00

Life of air hose : 800 hours

Use rate of 50 mm dia air hose per hour ( cost / life ) Rs: 9.38

RATE ANALYSIS UNIT : 25.00 Nos.

A. MATERIALS:

Sl No Unit Amount

in Rs.

1 Use rate of drill rod 38 mm dia Rm 37.50 25.56 958.38

2 Use rate of 25 mm dia air hose 50 m Hour 7.00 9.38 65.63

3 Anchor rod 25 mm dia kg 296.00 36.20 10715.20

4 Cement kg 76.00 4.00 304.00

Total Rs: 12043.20

Add for small Tools and Plants @ 1% Rs: 120.43Contd

A. MATERIALS ( Contd ):

Sl No Unit Amount

in Rs.

Contd



Total cost of Materials : Rs: 13970.11

B. MACHINERY:

Sl No Unit Amount

in Rs.

1 Air compressor 8.5 cmm ( ele ) Hour 3.50 108.00 378.00

Fuel / Energy charges Hour 3.50 282.00 987.00

2 Heavy duty jack hammers 2 Nos Hour 7.00 17.50 122.50


Total Rs: 1531.25


Add for Contractor's Profit on DPOL / Energy @ 10% Rs: 103.08


Total hire charges of Machinery : Rs: 1726.20

C. LABOUR:

Sl No Unit Amount

in Rs.

1 Crew for Air compressor Hour 3.50 56.40 197.40

2 Crew for Jack hammer Hour 7.00 111.90 783.30

3 Bar bender Day 0.50 159.00 79.50

4 Mason Cl- II Day 0.50 148.50 74.25


Perticulars Quantity Rate

in Rs.

Description

Description

Perticulars

in Rs.

Quantity Rate

in Rs.

Quantity Rate

Quantity Rate

in Rs.

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Total Rs: 1266.45







ABSTRACT:




TOTAL Rs: 17418.68


Total Rs: 17662.55

Add for 1 km rehandling lead charges:

Cement 76 kg @ Rs: 129.10 / tonne Rs: 9.81

Steel 296 kg @ Rs: 129.10 / tonne Rs: 38.21

Total cost for 25.00 Nos. Rs: 17710.57

Rate per Each Rs: 708.00

Rate approved per Each Rs: 708.00


ITEM: Providing and fixing 25 mm dia. 2.75 m long ribbed steel anchor rods with one end split

and driven firmly using steel wedge into 1.25 m deep 38 mm dia. hole drilled in bed rock and

other end provided with L-bend for embedding in concrete/ masonry for spillway and appurtenant

works including drilling and cleaning hole, filling hole with thick cement slurry, driving anchor

rod, cost of all materials, machinery, labour, steel wedge etc., complete with initial lead upto

1 km and all lifts.

DATA:Consider 25 anchor rods for analysis.

Depth of drilling for 25 holes 1.25 m deep : 31.25 m

Weight of 25 mm dia rods 2.75 m long @ 3.85 kg/m ( 2.75 x 3.85 ) : 10.60 kg

Cement for cement slurry grouting per hole : 2.5 kg

Rate of drilling by heavy duty Jack hammer / hr with 50 min / hr working : 6.00 m

Consider 2 heavy duty Jack hammers for drilling.

Time for drilling 31.25 m duly considering frequent shifting say : 3 hours


25 mm dia ribbed steel with 2.5 % wastage ( 25 x 10.6 x 1.025 ) : 272 kg

Cement with 1 % wastage ( 25 x 2.5 x 1.01 ) : 63 kg

Air hose 25 mm dia. for supplying air to 2 jack hammers. : 6 hours use

Use of 38 mm drill rod : 31.25 m2. Requirement of machinery :

Deploy 2 heavy duty jack hammers for 3 hours for drilling holes.

Deploy 8.5 cmm Air compressor for 3 hours for air supply.


Deploy 0.5 barbender, 1 gas cutter and 1 heavy mazdoor for preparing anchor bars and wedges.

Deploy 0.5 mason Class-II and 1 heavy mazdoor for fixing anchor rods.


As both cement and steel are generally stored at site beyond 150 m from work area and are

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then rehandled, as and when required for works, 1 km rehandling lead including loading and

unloading is considered.


Cost of 38 mm drill rod @ Rs: 3833.50 / Each Rs: 3833.50

Life of drill rod for drilling in hard rock : 150 m

Use rate of drill rod per m drilling ( cost / life ) Rs: 25.56

Cost of 25 mm dia air hose 50 m @ Rs: 150.00 / Rm Rs: 7500.00

Life of air hose : 800 hours

Use rate of 50 mm dia air hose per hour ( cost / life ) Rs: 9.38

RATE ANALYSIS UNIT : 25.00 Nos.

A. MATERIALS:

Sl No Unit Amount

in Rs.

1 Use rate of 38 mm dia drill rod Rm 31.25 25.56 798.65

2 Use rate of air hose 50 m 2 Nos. Hour 3.00 9.38 28.13

3 Anchor rod 25 mm dia kg 271.30 36.20 9821.06

4 Cement kg 62.50 4.00 250.00

Contd


Sl No Unit Amount

in Rs.

Contd

5 Gas for splitting anchor rods LS 5.00 30.00 150.00

6 Steel wedges LS 10.00 30.00 300.00

Total Rs: 11347.83





B. MACHINERY:

Sl No Unit Amount

in Rs.

1 Air compressor 8.5 cmm ( ele ) Hour 3.00 108.00 324.00


2 Heavy duty jack hammer 2 Nos Hour 6.00 17.50 105.00


Total Rs: 1312.50



Add for Contractor's Overheads @ 5% Rs: 65.63Total hire charges of Machinery : Rs: 1479.60

C. LABOUR:

Sl No Unit Amount

in Rs.


2 Crew for Jack hammer Hour 6.00 111.90 671.40

3 Bar bender Day 0.50 159.00 79.50

Description

Perticulars

Description

Perticulars

Quantity Rate

in Rs.

Quantity Rate

in Rs.

in Rs.

Quantity Rate

in Rs.

Quantity Rate

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4 Mason Cl- II Day 0.50 148.50 74.25

5 Gas cutter Day 1.00 157.50 157.50


Total Rs: 1415.85







ABSTRACT:




TOTAL Rs: 16568.64


Total Rs: 16800.60



Steel 272 kg @ Rs: 129.10 / tonne Rs: 35.02

Total cost for 25.00 Nos. Rs: 16843.69

Rate per Each Rs: 674.00

Rate approved per Each Rs: 674.00


ITEM: Providing, fabricating and placing in position reinforcement steelfor RCC structures including

cleaning, straightening, cutting, bending, hooking, lapping / welding joints wherever required,

tying with 1.25 mm diameter soft annealed steel wire, including cost of all materials, machinery,

labour etc., complete with initial lead upto 1 km and all lifts.

DATA:Lap jointing considered for bars upto 28 mm diameter.

Welded jointing considered for bars above 28 mm diameter.

Quantity of steel above 28 mm diameter assumed @ : 20 percent

Number of weld joints per tonne of steel : 14 Nos

Nos.of weld joints / tonne for 20 % steel above 28 mm dia. : 3 Nos

No. of welding electrodes required @ 5 per joint : 15 Nos

Quantity of binding wire per tonne : 9 kg

Consider fabrication and placing 1 tonne steel for rate analysis.


Reinforcement steel with 2.5 % wastage ( 1 x 1.025 ) : 1.025 tonneBinding wire 1.25 mm dia @ 9 kg / t ( 1 x 9 ) : 9 kg

Welding electrodes ( ordinary ) for 3 joints : 15 Nos.


Deploy 1 welding transformer for 2 hour for welded joints.

Deploy 1 Tower crane for 0.25 hour for lifting steel to placing area.


Cleaning and straightening : 2 Bar benders & 2 Heavy mazdoors

Marking, cutting, bending and stacking : 2 Bar benders & 4 Heavy mazdoors

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Placing in position and tying : 2 Bar benders & 2 Heavy mazdoors

Checking, correcting & misc. works : 1 Bar bender & 1 Heavy mazdoor


As steel is stored in the fabrication yard generally beyond 150 m from work area and then

rehandled after fabrication, 1 km rehandling lead including loading and unloading is considered.

For lifting of steel to the required position use of tower crane for 15 minutes per tonne of steel is

considered.

RATE ANALYSIS UNIT : 1.00 tonne

A. MATERIALS:

Sl No Unit Amount

in Rs.

1 Rein.Steel with 2.5 % wastage tonne 1.025 36200.00 37105.00

2 Binding wire 1.25 mm dia kg 9.00 50.00 450.00

3 Welding electrodes Each 15.00 6.00 90.00

4 Sundries ( chairs / spacers etc ) LS 2.50 30.00 75.00

Total Rs: 37720.00

Contd


Sl No Unit Amount

in Rs.

Contd





B. MACHINERY:

Sl No Unit Amount

in Rs.

1 Welding set Hour 2.00 12.00 24.00


2 Tower crane Hour 0.25 994.00 248.50


3 Sundries ( gloves / mask etc ) LS 1.00 30.00 30.00

Total Rs: 455.00





C. LABOUR:

Sl No Unit Amountin Rs.

1 Crew for Tower crane Hour 0.25 62.00 15.50

2 Welder Day 0.50 157.50 78.75

3 Bar bender Day 7.00 159.00 1113.00


Total Rs: 2395.25



Perticulars Quantity Rate

in Rs.

Description

Perticulars

Description

in Rs.

Quantity Ratein Rs.

Quantity Rate

Quantity Rate

in Rs.

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ABSTRACT:




TOTAL Rs: 47513.29


Total Rs: 48178.48


For 1 tonne steel @ Rs: 129.10 / tonne Rs: 129.10

Total cost for 1.00 tonne Rs: 48307.58

Rate per tonne Rs: 48310.00

Rate approved per tonne Rs: 48310.00


ITEM: Providing and laying insitu vibrated M-15( 28 days cube compressive strength not less than

15 N / sq mm ) grade cement concrete using 80 mm down sizeapproved, clean, hard, graded

aggregates including cost of all materials, machinery, labour, formwork, centering, scaffolding,

cleaning, providing mortar layer for lif t joints, batching, mixing, placing in position, levelling,

vibrating, finishing, curing etc., complete forplain concreteworks with initiallead upto 1 km

and all lifts. ( Cement content : 210 kg / cum with use of super plasticiser )

Use rate of shuttering and Scaffolding materials : Annexure-A

Consider one shutter and one soldier set :

Size of shutter considered : 900 mm x 1200 mm Area of one shutter : 1.08 sqm

Length of soldier for fixing shutter : 2.3 m

4 mm thick plate 1.08 sqm @ 31.4 kg / sqm : 33.91 kg

50x50x6 mm angle 6.6 m length @ 3.8 kg / m : 25.08 kg

50x6 mm flat 1.8 m length @ 2.35 kg / m : 4.23 kg

ISLC 100 2.3 m length @ 7.9 kg / m : 18.17 kg

6 mm plate 0.03 sqm @ 47.1 kg / sqm : 1.41 kg

Total wt : 82.80 kg

Cost of 4 mm plate 33.91 kg @ Rs: 40.00 / kg Rs: 1356.40

Cost of 6.6 m angle 25.08 kg @ Rs: 37.95 / kg Rs: 951.79

Cost of 1.8 m flat 4.23 kg @ Rs: 40.00 / kg Rs: 169.20

Cost of 2.3 m soldier 18.17 kg @ Rs: 37.95 / kg Rs: 689.55

Cost of 6mm plate 1.41 kg @ Rs: 40.00 / kg Rs: 56.40

Total Rs: 3223.34Add for wastage @ 2.50% Rs: 80.58

Add for bolts & nuts 0.5 kg /sqm @ Rs: 55.00 / kg Rs: 27.50

Add for fabrication of shutter @ Rs: 10.00 / kg Rs: 828.00

Total Rs: 4159.42

Deduct salvage value @ 15% ( - ) Rs: -623.91

Total Rs: 3535.51

Use rate of shutters:

Use rate of shutters considering average 40 uses : Rs: 88.39

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Add for repairs / replacements / catwalks etc., @ 15% Rs: 13.26

Add for binding wire / temperary supports etc., @ 5% Rs: 4.42

Add for 2 J-bolts / sqm for soldier @ Rs: 20.00 / each Rs: 40.00

Add for shutter oil at 0.2 ltr / sqm @ Rs: 25.00 / ltr Rs: 5.00

Total Rs: 151.07

Effective area of shutter & soldier : 1.00 sqm

( allowing 10 cm margin at top / bottom )

Use rate of shuttering for concrete / use / sqm for 40 uses Rs: 151.07

( Excluding T & P / Profit / Overheads)

Use rate of shutters considering average 30 uses : Rs: 117.85

Add for repairs / replacements / catwalks etc., @ 15% Rs: 17.68

Add for binding wire / temperary supports etc., @ 5% Rs: 5.89

Add 2 J-bolts/sqm for fixing soldier @ Rs: 20.00 / Each Rs: 40.00

Add for shutter oil at 0.2 ltr / sqm @ Rs: 25.00 / ltr Rs: 5.00

Total Rs: 186.42

Effective area of shutter & soldier with 100 mm margin at top & bottom : 1.00 sqm

Cost of shuttering for concrete / use / sqm ( considering 30 uses ) Rs: 186.42

( Excluding T & P / Profit / Overheads)

Erection and dismantling shuttering / scaffolding : Annexure-B

2 Fitters, 1 Carpentor Cl-II & 5 mazdoors erect 50 sqm shuttering & scaffolding / day.

Cost of dismantling assumed at 50 % of erection charges.

Area of shuttering with scaffolding / supports considered. : 100 sqm

Cleaning, conveying, erection and oiling:

Fitter shuttering 4 Nos. @ Rs: 148.50 / day Rs: 594.00

Carpentor Cl -II 2 Nos. @ Rs: 148.50 / day Rs: 297.00

Heavy mazdoor 10 Nos. @ Rs: 132.00 / day Rs: 1320.00

Dismantling and stacking:

Fitter shuttering 2 Nos. @ Rs: 148.50 / day Rs: 297.00

Carpentor Cl -II 1 Nos. @ Rs: 148.50 / day Rs: 148.50

Heavy mazdoor 5 Nos. @ Rs: 132.00 / day Rs: 660.00

Total Rs: 3316.50

Labour charges for shuttering / scaffolding per sqm Rs: 33.17

( Excluding T & P / Profit / Overheads / Hidden costs )

DATA:For 1 cum CC :- Coarse aggregates : 0.98 cum Blending ratio : 40 :30 : 20 : 10

Fine aggregate : 0.35 cum. Super plasticizer : 0.65 ltr

Cement : 210 kg.

Wastage : 1 % for cement and 2 % for coarse / fine aggregates.

For incidental works such as mortar layer at lift joints etc., consider extra cement @ 3 kg / cum

of concrete including wastage in handling.

Assume daily average concreting programme of about 500 cum for 3 shift working.

Hourly progress with 16.5 production hrs in 3 shifts ( 500 / 16.50 ) : 30 cumRated capacity of batching plant considering 50 minutes / hour working

and 70 percent job / management efficiency ( 30 x 60 / 50 / 0.70 ) : 51.40 cum

For batching and mixing assume 50 cum / hour rated capacity Batching plant.

Capacity of mixer drum : 2 x 1.50 cum

For conveying and placing consider combination of tippers and tower cranes.

Capacity of concrete bucket : 1.50 cum

Weight of empty bucket : 0.25 tonne

Weight of concrete 1.5 cum @ 2.4 t / cum : 3.60 tonne

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Total : 3.85 tonne

Cycle time for tower crane:

Spotting & hooking loaded bucket : 0.50 min

Lifting, turning & moving loaded bucket : 1.00 min

Lowering & unloading concrete : 1.50 min

Lifting, turning & moving empty bucket : 0.50 min

Lowering & dehooking empty bucket : 0.50 min

Total : 4.00 min

Output of tower crane with 50 min / hr working and 80 %

job / management efficiency ( 1.50 x 0.80 x 50 / 4.00 ) : 15.00 cum

Consider 2 tower cranes of 5 t ( minimum ) lifting capacity for placing concrete.

Cycle time for tipper:

Turning & spotting : 0.50 min

Loading bucket : 0.50 min

Conveyance from BP to Tower crane spot : 2.00 min

Tower crane cycle : 4.00 minReturn trip from Tower crane spot to BP : 2.00 min

Total : 9.00 min

Output of tipper with 50 min / hr working ( 1.5 x 50 / 9 ) : 8.30 cum

No. of tippers for 30 cum / hour concreting ( 30 / 8.3 ) : 3.6 Nos.

Consider 4 tippers for supplying concrete to 2 tower cranes.

Consider 5 concrete buckets ( including 1 spare ) for 4 tippers.

Consider 2 needle vibraters for vibrating laid concrete.

Consider 10 hp pump for water supply for concrete mixing / curing.

Consider 1 air compressor 7 cmm capacity for cleaning surface, air supply to batching plant and

for operating concrete bucket doors.

Output of concrete per shift of 8 hours ( 30 x 8 ) : 240 cum

Consider 240 cum concrete for rate analysis.


Cement for mix with 1 % wastage ( 240 x 210 x 1.01 ) : 50904 kg

Cement for incidental works @ 3 kg / cum ( 240 x 3 ) : 720 kg

Coarse aggregate 80-40 mm size range ( 240 x 0.98 x 0.4 x 1.02 ) : 96 cum



Coarse aggregate 10-4.75 mm size ( 240 x 0.98 x 0.1 x 1.02 ) : 24 cum

Fine aggregate ( including incidental works ) ( 240 x 0.35 x 1.02 ) : 87.3 cum

Super plasticiser ( 240 x 0.65 x 1.02 ) : 160 ltrs


Deploy 50 cum / hour Batching & mixing plant for 8 hour for concrete production.

Deploy 4 Tippers for 8 hours for conveying concrete buckets.

Deploy 5 Concrete buckets for 8 hours for conveying concrete.

Deploy 2 Tower cranes for 8 hours for lifting & placing concrete.Deploy 2 Needle vibraters 60 mm dia for 8 hours for vibrating concrete.

Deploy 1 Air compressor 7 cmm for air supply for cleaning & other works.

Deploy 1 Pump 10 hp for 8 hours for water required for concrete mixing / curing / cleaning etc.

3. Formwork & scaffolding :

As mass concrete is generally placed in lifts of about 1.5 m heavy duty shutters are used.

Requirement of shuttering for mass concrete will be about 0.5 sqm / cum concrete.

Shuttering @ 0.50 sqm per cum of concrete ( 240 x 0.5 ) : 120 sqm

No scaffolding required for dam mass concrete works.

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Foreman for controlling tower crane movements : 2 Nos.

Mason Cl I for laying concrete ( 2 at each placing point ) : 4 Nos.

Heavy mazdoors for loading cement to silo : 2 Nos.

Heavy mazdoors for batching operations : 2 Nos.

Heavy mazdoors for conveyer / air & water jet cleaning : 2 Nos.

Heavy mazdoors for handling buckets( 3 at each point ) : 6 Nos.

light mazdoors for cleaning / curing etc : 2 Nos.

Labour charges for normal shuttering per sqm ( as per Annexure-B ) @ Rs: 33.17

For erecting & dismantling heavy duty shutters consider labour charges at 1.5 times the labour

charges for erecting & dismantling normal shuttering.

Labour charges for heavy duty shuttering 33.17 x 1.50 Rs: 49.75

5. Rehandling / Initial lead for materials:

Consider 1 km rehandling lead for cement and 1 km initial lead for other materials.


Use rate of heavy duty shutters for mass concrete : 1.5 times normal shuttersUse rate of normal shutter per sqm ( As per annexure-A ) @ Rs: 151.07

Use rate of heavy duty shutter / sqm Rs: 151.07 x 1.50 Rs: 226.60

RATE ANALYSIS UNIT : 240.00 cum

A. MATERIALS:

Sl No Unit Amount

in Rs.

1 Cement for mix with 1% wastage kg 50904.00 4.00 203616.00

Cement for incidentals @ 3 kg / cum kg 720.00 4.00 2880.00

2 Coarse aggregate 80-40 mm cum 96.00 267.00 25632.00

Coarse aggregate 40-20 mm cum 72.00 381.00 27432.00


Coarse aggregate 10 mm below cum 24.00 669.00 16056.00

3 Fine aggregate ( screened ) cum 87.30 199.00 17372.70

4 Super Plasticizer or AEA ltr 160.00 75.00 12000.00

5 Use rate of shuttering sqm 120.00 226.60 27191.74

Total Rs: 357140.44




Add royalty charges on C A @ ( Included in material rate ) Rs: 0.00

Add royalty charges on F A @ ( Included in material rate ) Rs: 0.00


B. MACHINERY:

Sl No Unit Amount

in Rs.1 Batching plant 50 cum/hr rated capacity Hour 8.00 503.00 4024.00


2 Air compressor 7 cmm ( ele ) Hour 8.00 88.00 704.00


3 Tipper Hour 32.00 271.00 8672.00


4 Tower crane 5 t Hour 16.00 994.00 15904.00


Description

in Rs.

Quantity Rate

Quantity Rate

in Rs.

Perticulars

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5 Concrete bucket Hour 40.00 11.00 440.00


6 10 hp pump ( ele ) Hour 8.00 5.00 40.00


7 Needle vibrator 60 mm dia ( ele ) Hour 16.00 8.00 128.00


8 Sundries LS 10.00 30.00 300.00

Total Rs: 43692.00





C. LABOUR:

Sl No Unit Amount

in Rs.1 Crew for Batching plant Hour 8.00 108.20 865.60


3 Crew for Tipper ( 4 ) Hour 32.00 56.70 1814.40

4 Crew for Tower crane ( 2 ) Hour 16.00 62.00 992.00

5 Crew for Pump Hour 8.00 26.90 215.20

6 Crew for Needle vibrator ( 2 ) Hour 16.00 53.30 852.80

7 Mason Class-I Day 4.00 159.00 636.00

8 Foreman Day 2.00 177.00 354.00

9 Heavy mazdoor

for silo ( cement handling ) Day 2.00 134.00 268.00

for batching plant Day 2.00 132.00 264.00

for conveyor system Day 2.00 132.00 264.00

for laying & vibrating Day 6.00 132.00 792.00

10 Light mazdoor

for cleaning / washing / curing Day 2.00 130.50 261.00

11 Labour cost for shuttering sqm 120.00 49.75 5969.70

Total Rs: 13999.90







ABSTRACT:

A. Cost of Materials including royalty charges Rs: 414282.91

B. Hire charges of Machinery Rs: 47691.52C. Cost of Labour Rs: 19039.86

TOTAL Rs: 481014.30

Add for aggregate conveyor system @ 2.80% Rs: 13468.40

Add for electric sub-station / Demand charges @ 1.50% Rs: 7215.21

Add for trestle bridge for tower crane track @ 4.40% Rs: 21164.63

Add for other enabling works @ 1.40% Rs: 6734.20

Total Rs: 529596.74

Add for 1 km rehandling / initial lead including loading / unloading :


in Rs.

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Coarse aggregates 240 cum @ Rs: 121.90 / cum Rs: 29256.00

Fine aggregate 87.30 cum @ Rs: 84.90 / cum Rs: 7411.77

Total cost for 240.00 cum Rs: 572929.17

Rate per cum Rs: 2387.00

Rate approved per cum Rs: 2387.00


ITEM: Providing and laying insitu vibrated M-10 ( 28 days cube compressive strength not less than

10 N / sq mm ) grade cement concrete using 80 mm down size approved, clean, hard, graded


cleaning, providing mortar layer for lif t joints, batching, mixing, placing in position, levelling,

vibrating, finishing, curing etc., complete forplain concreteworks with initiallead upto 1 km

and all lifts. ( Cement content : 190 kg / cum with use of super plasticiser )

DATA:For 1 cum CC :- Coarse aggregates : 0.98 cum Blending ratio : 40 :30 : 20 : 10

Fine aggregate : 0.37 cum. Cement : 190 kg Super plasticizer : 0.60 ltr


Assume daily average concreting programme of about 500 cum.

Details of plant and machinery same as in item 13.

Output of concrete per hour as per data in Item : 13 : 30 cum













Requirement of plant and machinery same as in item 13.

Deploy 50 cum / hour rated capacity batching plant for production of concrete.

Deploy 2 Tower cranes for 8 hours for lifting & placing concrete.

Deploy 4 tippers for 30 cum / hour output of batching plant.



Deploy 2 Needle vibraters 60 mm dia for 8 hours for vibrating concrete.


Deploy 1 Pump 10 hp for 8 hours for water required for concrete mixing / curing / cleaning etc.3. Formwork & scaffolding :

As mass concrete is generally placed in lifts of about 1.5 m heavy duty shutters are used.

Requirement of shuttering for mass concrete will be about 0.5 sqm / cum concrete.


No scaffolding required for dam mass concrete works.




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Use rate of heavy duty shutters for mass concrete : 1.5 times normal shutters

Use rate of normal shutter per sqm ( As per annexure-A ) @ Rs: 151.07



A. MATERIALS:

Sl No Unit Amount

in Rs.










Total Rs: 337748.54







B. MACHINERY:

Sl No Unit Amount

in Rs.

1 Batching plant 50 cum/hr rated capacity Hour 8.00 503.00 4024.00


2 Air compressor 7 cmm ( ele ) Hour 8.00 88.00 704.00Fuel / Energy charges Hour 8.00 226.00 1808.00

3 Tipper Hour 32.00 271.00 8672.00






6 10 hp pump ( ele ) Hour 8.00 5.00 40.00

Description Rate

Quantity Rate

in Rs.

in Rs.

Quantity

Perticulars

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8 Sundries LS 10.00 30.00 300.00

Total Rs: 43692.00





C. LABOUR:

Sl No Unit Amount

in Rs.

1 Crew for Batching plant Hour 8.00 108.20 865.60


3 Crew for Tipper ( 4 ) Hour 32.00 56.70 1814.404 Crew for Tower crane ( 2 ) Hour 16.00 62.00 992.00


6 Crew for Needle vibrator ( 2 ) Hour 16.00 53.30 852.80

7 Mason Class-I Day 4.00 159.00 636.00

8 Foreman Day 2.00 177.00 354.00

9 Heavy mazdoor





10 Light mazdoor



Total Rs: 13999.90







ABSTRACT:




Total Rs: 458519.69

Add for aggregate conveyor system @ 2.80% Rs: 12838.55Add for electric sub-station/ Demand charges @ 1.50% Rs: 6877.80

Add for trestle bridge for tower crane track @ 4.40% Rs: 20174.87

Add for other enabling works @ 1.40% Rs: 6419.28

504830.18



Coarse aggregates 240 cum @ Rs: 121.90 / cum Rs: 29256.00

Fine aggregates 92.20 cum @ Rs: 84.90 / cum Rs: 7827.78

Description

in Rs.

TOTAL Rs:

RateQuantity

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ITEM: Providing and laying insitu vibratedM-20 ( 28 days cube compressive strength not less than



cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing etc.,complete

for RCC works of gallery, sluice, spillway crest, spillway d / s face, energy dissipating

structures, training walls, piers, abutments and such other locations with initial lead upto

1 km and all lifts.( Cement content : 300 kg / cum with use of super plasticiser ).

DATA:For 1 cum CC :- Coarse aggregates : 0.90 cum Blending ratio : 50 :30 : 20

Fine aggregate : 0.40 cum. Cement : 300 kg Super plasticizer : 0.90 ltr Wastage : 1 % for cement and 2 % for coarse / fine aggregates.

Assume daily average concreting programme of about 500 cum.

Details of plant and machinery same as in item 13.

Output of concrete per hour as per data in Item : 13 : 30 cum






Coarse aggregate 40-20 mm size range ( 240 x 0.9 x 0.5 x 1.02 ) : 110.2 cum






Requirement of plant and machinery same as in item 13.

Deploy 50 cum / hour rated capacity batching plant for production of concrete.

Deploy 2 Tower cranes for 8 hours for lifting & placing concrete.

Deploy 4 tippers for 30 cum / hour output of batching plant.



Deploy 2 Needle vibraters 60 mm dia for 8 hours for vibrating concrete.


Deploy 1 Pump 10 hp for 8 hours for water required for concrete mixing / curing / cleaning etc.


As concrete is generally placed in lifts of about 1.5 m heavy duty shutters are used.

Requirement of shuttering for concreting of gallery, sluice, abutment, pier, spillway crest, bucketetc., will be about 1.5 sqm / cum of concrete.


Scaffolding / supports etc @ 15 percent of cost of shuttering.






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Labour charges for scaffolding / supports @ 15 percent of labour charges for shuttering.




Use rate of heavy duty shutters for mass concrete : 1.5 times normal shutters

Use rate of normal shutter per sqm ( As per annexure-A ) @ Rs: 151.07


RATE ANALYSIS UNIT : 240.00 cumA. MATERIALS:

Sl No Unit Amount

in Rs.









6 Scaffolding @ 15 % of shuttering 12236.28

Total Rs: 529666.21







B. MACHINERY:

Sl No Unit Amount

in Rs.

1 Batching plant 50 cum/hr rated capacity Hour 8.00 503.00 4024.00


2 Air compressor 7 cmm ( ele ) Hour 8.00 88.00 704.00

Fuel / Energy charges Hour 8.00 226.00 1808.003 Tipper Hour 32.00 271.00 8672.00






6 10 hp pump ( ele ) Hour 8.00 5.00 40.00


Perticulars


Quantity

in Rs.

Rate

in Rs.

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8 Sundries LS 10.00 30.00 300.00

Total Rs: 43692.00





C. LABOUR:

Sl No Unit Amount

in Rs.

1 Crew for Batching plant Hour 8.00 108.20 865.60


3 Crew for Tipper ( 4 ) Hour 32.00 56.70 1814.40

4 Crew for Tower crane ( 2 ) Hour 16.00 62.00 992.00


6 Crew for Needle vibrator ( 2 ) Hour 16.00 53.30 852.807 Mason Class-I Day 4.00 159.00 636.00

8 Foreman Day 2.00 177.00 354.00

9 Heavy mazdoor





10 Light mazdoor



12 Labour cost for scaffolding @ 15 % 2686.37

Total Rs: 28625.67







ABSTRACT:




Total Rs: 701035.23

Add for aggregate conveyor system @ 2.80% Rs: 19628.99

Add for electric sub-station / Demand charges @ 1.50% Rs: 10515.53

Add for trestle bridge for tower crane track @ 4.40% Rs: 30845.55Add for other enabling works @ 1.40% Rs: 9814.49

771839.79



Coarse aggregate 220.3 cum @ Rs: 121.90 / cum Rs: 26854.57




Description

TOTAL Rs:

in Rs.

Quantity Rate

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for plain concreteworks with initial lead upto 1 km and all lifts.( Cement content : 240 kg /

cum with use of super plasticiser )




Consider 300 / 200 ltr capacity mixer and 50 kg cement per mix for use of 40 mm down CA.

Equivalent volume batching using 0.3 x 0.3 x 0.3 m size boxes assumed for batching CA & FA.Cycle time for batching / mixing / unloading 1 mix :

Batching 40-20 mm CA ( 0.094 cum ) : 4.00 min

Batching 20-10 mm & 10 mm below CA parellel activity : ---

Batching fine aggregate parellel activity : ---

Batching cement parellel activity : ---

Loading mixer drum & miscellaneous : 1.00 min

Mixing and unloading parellel activity : ---

Add for possible delays in any of the activity : 0.50 min

Total : 5.50 min

No. of mixes per day with 50 min / hr working ( 50 x 8 / 5.5 ) : 73 mixes

Output of CC for 73 mixes ( 73 x 50 / 240 ) say : 15.20 cum

Consider 15.20 cum concrete for rate analysis.


Cement for mix with 1 % wastage ( 15.2 x 240 x 1.01 ) : 3685 kg

Cement for incidental works @ 3 kg / cum ( 15.2 x 3 ) : 46 kg

Coarse aggregate 40-20 mm size range ( 15.2 x 0.9 x 0.5 x 1.02 ) : 7.00 cum

Coarse aggregate 20-10 mm size range ( 15.2 x 0.9 x 0.3 x 1.02 ) : 4.20 cum

Coarse aggregate 10-4.75 mm size ( 15.2 x 0.9 x 0.2 x 1.02 ) : 2.80 cum

Fine aggregate ( 15.2 x 0.4 x 1.02 ) : 6.20 cum

Super plasticiser ( 15.2 x 0.75 x 1.02 ) : 11.6 ltrs


Deploy 300 / 200 ltr capacity concrete mixer for 8 hours for production of concrete.

Deploy 1 Needle vibrater 40 mm dia for 8 hours for vibrating concrete.

Deploy 1 Pump 10 hp for 1 hour for water required for concrete mixing / curing / cleaning etc.


Consider normal shuttering as concrete is laid in smaller lifts.

Requirement of shuttering for plain concrete works is assumed at 1 sqm / cum of concrete.Shuttering @ 1.00 sqm per cum of concrete ( 15.2 x 1 ) : 15.20 sqm



Consider batching of materials and conveyance & laying of concrete by manual labour.

Batching 40-20 mm CA Heavy mazdoors : 3 Nos.

Batching 20-10 mm & 10 mm below CA Heavy mazdoors : 3 Nos.

Batching fine aggregate Heavy mazdoors : 3 Nos.

Batching cement Heavy mazdoors : 2 Nos.

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Remixing and conveying concrete Heavy mazdoors : 4 Nos.

Light mazdoors : 15 Nos.

Laying concrete Mason : 1 No.

Heavy mazdoors : 3 Nos.

Washing / cleaning / curing etc Light mazdoors : 1 No.

Labour charges for normal shuttering / sqm ( Annexure-B Item :13 ) @ Rs: 33.17

Labour charges for erecting & dismantling scaffolding @ 15 % of cost labour for shuttering.


1 km rehandling lead for cement and 1 km initial lead for other materials considered.


Use rate of normal shutter per sqm ( Annexure-A Item : 13 ) @ Rs: 151.07


A. MATERIALS:

Sl No Unit Amount

in Rs.1 Cement for mix with 1% wastage kg 3685.00 4.00 14740.00






4 Super plasticizer ltr 11.60 75.00 870.00


6 Use rate of scaffolding @ 15 % 344.43

Total Rs: 26392.62




Add royalty charges on CA @ ( Included in material rate ) Rs: 0.00

Add royalty charges on FA @ ( Included in material rate ) Rs: 0.00


B. MACHINERY:

Sl No Unit Amount

in Rs.

1 Concrete mixer 300 / 200 ltr ( ele ) Hour 8.00 38.00 304.00


2 10 hp pump ( ele ) Hour 1.00 5.00 5.00




Total Rs: 655.00Add for small Tools and Plants @ 1% Rs: 6.55




C. LABOUR:

Sl No Unit Amount

in Rs.

Description

Description

Perticulars

in Rs.

Quantity Rate

in Rs.

Quantity Rate

Quantity Rate

in Rs.

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1 Crew for Concrete mixer Hour 8.00 75.10 600.80


3 Crew for Needle vibrator Hour 8.00 53.30 426.40

Contd

C. LABOUR ( Contd ) :

Sl No Unit Amount

in Rs.

Contd

4 Mason Class-I Day 1.00 159.00 159.00

5 Heavy mazdoor

for batching cement ( cement handling ) Day 2.00 134.00 268.00

for batching other materials Day 9.00 132.00 1188.00

for loading mortar pans Day 4.00 132.00 528.00

for laying Day 3.00 132.00 396.00

6 Light mazdoor

for conveying concrete Day 15.00 130.50 1957.50for cleaning / washing / curing Day 1.00 130.50 130.50

7 Labour cost of shuttering sqm 15.20 33.17 504.11

8 Labour cost of scaffolding @ 15 % 75.62

Total Rs: 6260.82







ABSTRACT:




Total Rs: 39853.46


40411.41

Add for 1 km rehandling / initial lead including loading / unloading:


Coarse aggregates 14.0 cum @ Rs: 121.90 / cum Rs: 1706.60








aggregates with placing and sinking plumsof size 150 to 80 mm upto 15 percent for gravity

type structures including cost of all materials, machinery, labour, formwork, scaffolding,


with initial lead upto 1 km and all lifts. ( Cement content : 210 kg / cum of concrete with use

of plums of size 150 to 80 mm and super plasticiser )


in Rs.

TOTAL Rs:

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For 1 cum plum CC :- Coarse aggregates : 0.765 cum Blending ratio : 50 :30 : 20

Fine aggregate : 0.34 cum. Super plasticizer : 0.65 ltr

Cement : 210 kg.

Plums of size 150 to 80 mm : 0.24 cum

Wastage : 1 % for cement and 2 % for coarse / fine aggregates & plums.

Consider 300 / 200 ltr capacity mixer and 50 kg cement per mix for use of 40 mm down CA.

Equivalent volume batching using 0.3 x 0.3 x 0.3 m size boxes assumed for batching CA & FA.

Cycle time for batching / mixing / unloading 1 mix :

Batching 40-20 mm CA ( 0.091 ) cum : 3.50 min

Batching 20-10 mm & 10 mm below CA parellel activity : ---

Batching fine aggregate parellel activity : ---

Batching cement parellel activity : ---

Loading mixer drum & miscellaneous : 1.00 minMixing and unloading parellel activity : ---

Add for possible delays in any of the activity : 0.50 min

Cycle time for batching / mixing / unloading 1 mix : 5.00 min

No. of mixes per day with 50 min / hr working ( 50 x 8 / 5 ) : 80 mixes

Output of CC for 80 mixes ( 80 x 50 / 247 ) say : 16.20 cum

Quantity of plum concrete for sinking 15 % plums ( 16.20 / 0.85 ) : 19.00 cum

Qty of plums ( solid volume ) in plum concrete ( 19.00 x 0.15 ) : 2.85 cum

Consider 19.00 cum plum concrete for rate analysis.






Coarse aggregate 10-4.75 mm size ( 19 x 0.765 x 0.2 x 1.02 ) : 2.95 cum

Qty of plums ( loose volume) with 2 % wastage ( 19 x 0.24 x 1.02 ) : 4.65 cum

Fine aggregate ( 19 x 0.34 x 1.02 ) : 6.60 cum

Super plasticiser ( 19 x 0.65 x 1.02 ) : 12.6 ltrs


Deploy 300 / 200 ltr capacity concrete mixer for 8 hours for production of concrete.

Deploy 1 Needle vibrater 40 mm dia for 8 hours for vibrating concrete.

Deploy 1 Pump 10 hp for 1 hour for water required for concrete mixing / curing / cleaning etc.


Consider normal shuttering as concrete is laid in smaller lifts.

Requirement of shuttering for plain concrete works is assumed at 1 sqm / cum of concrete.

Shuttering @ 1.00 sqm per cum of concrete ( 19 x 1 ) : 19.00 sqm


4. Requirement of workforce ( other than machinery crew ) :Consider batching of materials and conveyance & laying of concrete by manual labour.

Batching 40-20 mm CA Heavy mazdoors : 3 Nos.

Batching 20-10 mm & 10 mm below CA Heavy mazdoors : 3 Nos.

Batching fine aggregate Heavy mazdoors : 3 Nos.

Batching cement Heavy mazdoors : 2 Nos.

Remixing and conveying concrete Heavy mazdoors : 4 Nos.

Light mazdoors : 16 Nos.

Conveying plums Heavy mazdoors : 1 Nos.

Data Rates-Dam Works-Part 3

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