CAPACITIES OF VARIOUS PLANT AND MACHINERY

 

 

1.               DOZER (D – 6)

 

  Speed                                    =          1.5 Km / Hr.

No. of Passes           =          3

Width of Blade          =          2 Mtr.

Operating Efficiency           =          75%

CAPACITY                =          (1500 X 2 X 0.75) /3

 

Levelling Earth (750 x 0.2) 150 Cum / Hr.

 

 

2.               LOADER

 

(a)  3.1 cum. Bucket

Bucket                        =          3.1 Cum

Cycle Time in Plat= 1 Minute

Efficiency                  =          80%

CAPACITY = (3.1 X 0.8 X 60) /1 =            150 Cum / Hr.

                                                                                                                                                     

(b)  1.7 Cum Bucket  

Bucket                        =          1.7 Cum

Cycle Time in Plant =          2.5 Minute

Efficiency                  =          80%

CAPACITY = (1.7 X 0.8 X 60) /2.5 =         35 Cum / Hr.

 

3.               EXCAVATOR

 

Ck – 90 (0.9 Cum Bucket)

Bucket                        =          0.9 Cum

Cycle Time in Plant =          35 Sec.

Efficiency                  =          80%

                                                CAPACITY = (0.9 X 60 X 0.8X 60) /35 = 75 Cum / Hr.

 

 

4.               GRADER (Spreading & Grading) BEML 165 HP

 

Speed                                    =          3 Km / Hr.

Blade                          =          1.7 Mtrs.

Layer Thickness       =          0.25 Mtrs.

No. of Passes           =          5  efficiency=75%

CAPACITY = (3000 X 1.7 X 0.75 X 0.25) /5 = 192 Cum /Hr.

 

5.               VIBRATORY COMPACTOR (Compaction) 8 to 10 T

 

Static wt. Dual Frequency,

Speed                                    =          2 Km /Hr.

Drum Width               =          2 Mtrs.

Layer Thickness       =          0.25 Mtrs.

Efficiency                  =          80%

No. of Passes           =          6

CAPACITY = (2000 X 2.0 X 0.80 X 0.25) /6 = 130 Cum / Hr

6.                         TIPPERS

 Earth Work

 

            Tipper capacity                     =          7.5 Cum.

            Cycle Time

            Average Lead                       =          5.5 Km (11 KM Bothway)

            Loading Time & Turning On=        7 Mins.

            Leading Average Speed (20 Km / Hr) = 33 Mins.

            Unloading & Turning On    =          5 Mins

            Total Cycle Time                  =          45 Mins. Say 45 Min.

            CAPACITY = (7.5 X 60) / 45 = 10 Cum / hour

           

 

7.                          Batching Plant Cp 30

 

 

Batching Plant Capacity                 = 30 Cum/ Hr.

Efficiency                                          = 80%

Capacity                                            = 24 Cum/Hr.

 

8.                          Concrete Pump

 

Concrete Pump Capacity               = 30 Cum/ Hr.

Efficiency                                          = 80%

Capacity                                            = 24 Cum/Hr

 

9.                          Transit Mixer

 

Transit Mixer capacity         =          6 Cum.

            Cycle Time

            Average Lead                       =          5.5 Km (11 KM Bothway)

            Loading Time & Turning On=        3.5  Mins.

            Leading Average Speed (20 Km / Hr) = 33 Mins.

            Unloading & Turning On    =          35 Mins

            Total Cycle Time                  =          71.5 Mins. Say 72 Min.

            CAPACITY = (6 X 60) / 72 = 5 Cum / hour

                       

 

 

 

 

 

 

ESTIMATING REQUIREMENT OF MACHINES ON THE PROJECT

 

ASSUMPTIONS

 

  1. Out Put of the machines to be taken as calculated before,.
  2. Working day per month = 26 days
  3. Working hours per day  = 12 hours
  4. Monsoon season is taken as 3 months.
  5. Monsoon season efficiency  is 75%

 

REQUIREMENT OF MACHINES

 

EXCAVATION

 

                                    QUANTITY Maximum = 20000 CUM/ Months

                                    QUANTITY Average    = 10378 Cum/ Months   

                                    Duration = 1 x 26 x 12 = 312 hours

 

 

 

Sr.No

Machines

Capacity

Peak

Average

Final

1

Excavator

75 cum/hr

0.85

0.44

1

2

Dozer

150 cum/hr

0.42

0.22

1

3

Loader

35 cum/hr

1.831

0.950

2

4

Tipper

10 cum/hr

6.410

3.32

5

 

 

                 

FILLING , SPREADING AND COMPACTION

 

                                    QUANTITY Maximum = 20000 CUM/ Months

                                    QUANTITY Average    = 12681 Cum/ Months  

                                    Duration = 1 x 26 x 12 = 312 hours

 

 

 

Sr.No

Machines

Capacity

Peak

Average

Final

1

Dozer

150 cum/hr

0.42

0.27

1

2

Grader

192 cum/hr

0.33

0.21

1

3

Compactor

130 cum/hr

0.49

0.31

1

4

Tipper

10 cum/hr

6.410

4.06

5

 

 

CONCRETE

  

                                    Duration = 1 x 26 x 8 = 208 hours

 

 

Sr.No

Machines

Uom

Peak

Average

1

Canal Bed

Cum/Months

90

54

2

Canal Slopes

Cum/Months

550

371

 

Total

Cum/Months

640

425

 

Sr.No

Machines

Capacity

Peak

Average

Final

1

Batching Plant

24 cum/hr

0.12

0.08

1

2

Concrete Pump

24 cum/hr

0.12

0.12

1

3

Transit Mixer

5 cum/hr

0.615

0.40

2

4

Plate Vibrator

 

 

 

6

 

 

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