Chittagong - BPDB

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The plant should be able to operate as long as at least one of the engine is functional. 3.2.2 Facility Start-Up and Loading Normally, the Facility will be started using electrical energy provided through the PGCB’s 132 kV lines. However, a “black start” capability is required. For this section, the following definition shall apply: Black Start: A start using power sources entirely within the Facility. 3.2.2.1 Start-Up Times and Load-Ramping Rates The Company shall advise in its Proposal the start-up times, from start to synchronize, and the load-ramping rates, from zero to rated output. 3.2.3 Availability and Reliability The Facility shall be designed to achieve the levels of availability and reliability normally expected for similar modern facilities. The Facility will operate based on economic dispatch, with an average lifetime Equivalent Availability Factor of no less than 90%. In this specification the Equivalent Availability Factor Formula is defined in accordance with ANSI/IEEE Standard 762-1987, Appendix C, Equation C-7 as follows: EAF + POF + UOF + UDF + SDF = 100 where EAF = equivalent availability factor POF = planned outage factor UOF = unplanned outage factor UDF = unit derating factor SDF = seasonal derating factor The equation shows that there are recognized sources of energy loss due to planned outages (full), unplanned outages (full), unit de-ratings, and seasonal deratings. Each energy loss is represented by a separate index, POF, UOF, UDF, and SDF, respectively. These indices are defined in such a way as to be additive. Therefore, the total per unit energy loss is the sum of the four indices, and the remaining per unit energy not lost is called equivalent availability factor (EAF). See also the PPA, Article 8.3, for the approach to liquidated damages to be charged because of the “excessive outages” (those beyond the allowable number of outage hours in the year for forced, maintenance, and scheduled outages). Request for Proposal (Chittagong 50±10% MW HFO Fired Project) Page 56
3.2.4 Operating and Control Requirements It is to be assumed that the Facility may operate both as a base load power generating station or peaking power station. Facility design and control system must be designed to maximize efficient operation, under both these operating regimes. The control and supervision of the Facility shall be carried out in a Central Control Room (CCR), from where the generators will normally be started, autosynchronized, and initially loaded. Provision shall be made to allow the Facility output to be controlled remotely by BPDB through the AGC program installed at BPDB’s LDC. The Facility shall also meet the following steady state and transient operating conditions: a. Operate under automatic control for sustained periods at all loads above minimum controllable, for the given ambient temperature range. b. Provide the necessary equipment to ensure safe shut down of the Facility. c. Automatic controls shall account for setting the ramp rates for start up and loading. d. Each engine generator shall be provided with a flexible governing system whose characteristics can be readily adjusted as well as any changes in the operating regime that may arise during the life of the Facility. The governing system should be provided with a set of control algorithms that allow plant operators to change governor control parameters, if required. 3.2.5 Facility Maintenance Maintenance of the Facility shall be scheduled either between November and February, inclusive or between July and October, inclusive (please also see Maintenance Months definition in the PPA). Maintenance of the Facility can also be scheduled during other alternative periods as BPDB may specify. 3.3 GENERAL REQUIREMENTS 3.3.1 Design Life The Facility shall be designed for a life of 22 years, and the Company shall be responsible for owning, operating and maintaining the Facility for 15 years after the Commercial Operation Date. Ownership and operation of the Facility following the 15 Year Term shall be as may be agreed in accordance with the PPA 3.3.2 Staffing Levels The Facility shall be designed to require the minimum number of operating and maintenance staff, consistent with high operational safety, reliability and economy. Request for Proposal (Chittagong 50±10% MW HFO Fired Project) Page 57
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BANGLADESH POWER DEVELOPMENT BOARD
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BANGLADESH POWER DEVELOPMENT BOARD
Page 5 and 6: 3. For the purpose of preparation o
Page 7 and 8: 1. DEFINITIONS The following terms
Page 9 and 10: 18. “Contractors” - means the C
Page 11 and 12: 37. “Government Authority” - me
Page 13 and 14: 62. “Permitted Outage” - In res
Page 15 and 16: 86. “Sonali Bank” - means Sonal
Page 17 and 18: 2.3 Development Plan The Government
Page 19 and 20: 3.5 In order to translate this expl
Page 21 and 22: COD the Operating Member shall be r
Page 23 and 24: c. The Tariff Charges shall be spec
Page 25 and 26: 5.7 Calculation of Capacity Payment
Page 27 and 28: 5.9 Supplemental Payments In additi
Page 29 and 30: SECTION B: INSTRUCTIONS TO BIDDERS
Page 31 and 32: GENERAL 1. SELECTION PROCESS 1.1 Bi
Page 33 and 34: 4. Not used c. Failure to investiga
Page 35 and 36: 6.4.1. Proposal Letter and Bid Secu
Page 37 and 38: The Bidder shall propose the Refere
Page 39 and 40: 7.6.1 Mathematical Formulae a. Calc
Page 41 and 42: 23. EVALUATION OF PROPOSALS 23.1 BP
Page 43 and 44: Annex A Responsiveness Checklist Th
Page 45 and 46: 5.0 Additional Supportive Data Yes
Page 47 and 48: Annex C Plant Functional Specificat
Page 49 and 50: 2.0 PROJECT INFORMATION AND SCOPE 2
Page 51 and 52: • generator step-up; startup, sta
Page 53 and 54: 2.4.2.3 Cooling Water Method of coo
Page 55: 2.4.6 Start-up Capability The Compa
Page 59 and 60: ASTM American Society for Testing a
Page 61 and 62: 4.2.5 Wastewater Treatment Plant 4.
Page 63 and 64: 4.3.5 Excitation System A continuou
Page 65 and 66: Separate summators shall be provide
Page 67 and 68: (i) (ii) (iii) (iv) (v) (vi) (vii)
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Page 73 and 74: 6.2 DESCRIPTION OF THE PLOT 6.2.1 S
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Page 77 and 78: Annex D Bidder’s Proposal and Sup
Page 79 and 80: 2. Having examined and being fully
Page 81 and 82: EXHIBIT I ATTACHMENT I-2 FORM OF BI
Page 83 and 84: EXHIBIT I ATTACHMENT I-3 SUMMARY IN
Page 85 and 86: B. BIDDER’S PROPOSED TARIFF CHARG
Page 87 and 88: Notes to Table B.2: 1. Columns 4, 5
Page 89 and 90: B.4.5 B.4.6 Total Reference Tariff
Page 91 and 92: 1.0 FINANCING PLAN EXHIBIT III FINA
Page 93 and 94: 2.0 DOCUMENTATION In support of the
Page 95 and 96: TECHNICAL DATA 1.0 Guaranteed Data
Page 97 and 98: 5.0 Detailed Technical Information
Page 99 and 100: Description 5.5 Black Start Diesel
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Page 103 and 104: Emission Percent Removal Efficiency
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(a) For the purposes of this Schedu
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1. Legal Form and Organization of B
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2. Not used 3. Information regardin
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Table 4: Project Reference of Const
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Table 6: Project Reference of O&M C
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Table 8: Reference for Main Equipme
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7. Information regarding Financial
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EXHIBIT VII BIDDER’S PROJECT SCHE
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ANNEX F Government of Bangladesh sp
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Chittagong - BPDB

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