Cooling Tower

Cooling Tower -Packing column: for the flow of hot water from top to bottom. The column should be made of acrylic preferably having following dimensions: L=28 inch, W= 6.5 inch, D=6.5 inch with packing of plastic plates, Thickness of acrylic column=5-6 mm sheet, Thickness of flange sheet=10-12 mm.

Water Cooling Tower Specification

  • Air blower: Power= 1.0 hp, Flow rate = 120 Liter/sec.
  • Electrical heater: P1 = 0.5 KW, P2=1.0 KW.
  • Rotameter(acrylic/glass): Flow=0-5.0 liter/min.
  • Rotameter: for the measurement of air flow
  • Pump: Flow = 3-5 lit/min, (01 No.)
  • Temperature indicators: Thermocouple K- I ype with indivicual no. of 06 display units
  • Manometer (Inclined tube): To find out the pressure drop across the column.
  • Water collection tank: Capacity=15-20 liters.
  • Water storage tank: Capacity=20-25 liters.
  • Electric panel
  • Water Pump Check List

Some Water Test

  • WATER QUALITY PARAMETERS NAME
  • TOTAL COLIFORMS
  • FAECAL COLIFORMS
  • TOTAL AEROBIC BACTERIAL COUNT
  • FAECAL STREPTOCOCCI
  • VIBRIO CHOLERAE
  • PH
  • TOTAL HARDNESS (EDTA) AS CaCO3
  • TOTAL DISSOLVED SOLIDS (TDS)
  • CHLORIDE
  • TURBIDITY
  • ARSENIC
  • IRON

Routine Drinking Water Parameters

  •  PH
  • Color (True or Apparent)
  • Turbidity
  • Total Hardness
  • Chloride (Cl)
  • Total Dissolved Solids (TDS)
  • Manganese (Mn)
  • Arsenic (As)
  • Total Iron (Fe) – Phenanthroline Method
  • Total Coliform (TC) / Thermotolerent Coliform (TTC)
  • Fecal Coliform (FC)

Water Consumption Report

  Month     Cubic Meter     Different
January 37.32 M³ +4.97 M³
February 44.44 M³ +7.12 M³
March 40.00 M³ -4.44 M³
April 43.20 M³ +3.2 M³
May 52.42 M³ +9.22 M³
June 52.44 M³ +.02 M³
July 48.22 M³ -4.22 M³
August 36.80 M³ -11.42 M³
September 32.42 M³ -4.38 M³
October 30.22 M³ -2.20 M³
               November 38 M³ +7.78 M³
December 34.60 M³ -3.40 M³

Progressive Water Navigation

  • Permission of the Vessel to be prepared with detail specification-
  • Cost in detail-
  • Schedule or phases of cost to be incurred-
  • Schedule of job to be done and its total duration with break up-
  • Present Position of the same line of business-
    • How many vessels are there in the line
    • Where they go (Rout)
    • How many times each cargo goes in the destination
    • Expenditure in the sector per month or per year

Brief description of the inland water cargo vessel to manufacture:

Vessel Name M.V.  
Carrying Capacity   1500.00 MT
Length O A 60.00 M
Length LWL 57.90 M
Length B.P 55.00 M
Breadth MLD 10.52 M
Depth MLD 03.87 M
Draft Loaded 02.50 M
Main Engine China Diesel Made in China
HP 550 BHP 2 Nos
Vessel Type   Steel body Cargovessel

Cost Break up for construction of M V        :                                                                               Fig in Lac TK

Sl No Particulars Cost incurred Cost to be incurred Total cost
  Material Cost 110.00 180.00 290.00
  Accessories 3.00 17.00 20.00
  Engine (02 nos) Nil 30.00 30.00
  Contractor payment 4.00 30.00 34.00
  Labor charge 1.00 4.00 5.00
  Dockyard rent 1.00 2.15 3.15
  Survey approval 1.00 3.00 4.00
  Payment to authority/supplies to meet contingency expenses 2.50 2.50 5.00
  Electricity bill 1.00 1.50 2.50
  others 2.50 4.00 6.50
Total 400.15

Projected revenue generation from trips (individual): 

Total Number of vessel 01
Total carrying capacity of vessel 1500 MT
Route Chittagong-Dhaka
Trip per month 03
Rent per trip 2,165,000.00
Income at 100% capacity 6,495,000.00
Income at 70% capacity 4,546,500.00
Less: Operating expenditure  
Fuel, Mobil etc (3950 litres at Tk. 44.00/litre) per trip 173,800.00
Salary/Month 95,000.00
Maintenance & others/month 18,000.00
Line cost/trip 14,000.00
Total operating expenditure/month 676,400.00
Net operating Income/month at 70% capacity 3,870,100.00
Estimated monthly installment 350,000.00
Surplus Income Tk. 3,520,100.00