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 |