GOVERNMENT OF THE DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA Ministry of Power and Renewable Energy Ceylon Electricity Board REQUEST FOR PROPOSALS FOR THE DEVELOPMENT OF A 300MW COMBINED CYCLE POWER PLANT AT KERAWALAPITIYA ON BOOT BASIS BID NO: CEB/AGM(Pr)/PD-KCCPP2016 International Competitive Bidding (ICB) VOLUME III Draft Power Purchase Agreement ADDENDUM - 2 March 2017 i
1. Clause 5.8 Replace the sub clause 5.8.1 (i) (a) with the following: (a) the Commissioning on an open cycle basis (the "Open Cycle Commissioning Date") or on a combined cycle basis (the "Combined Cycle (L) Commissioning Date") or (the Combined Cycle (N) Commissioning Date ) (as the case may be); 2. Clause 13.1 Replace the sub clause 13.1.12 with the following: 13.1.12 following termination of the: (i) (ii) Implementation Agreement by the Government; or Lease by the CEB; in each case pursuant to the respective provisions thereof. 3. Clause 13.2 Replace the sub clause 13.2.7 with the following: 13.2.7 following termination by the Company of the Implementation Agreement, the Liquid Fuel Supply Agreement or the Lease, in each case, pursuant to the respective provisions thereof. 4. Schedule 1. Replace the Definition of Combined Cycle (L) Operation Date or CCLOD with the following: "Combined Cycle (L) Operation Date" or "CCLOD" means the Day following the date of receipt by the CEB of the Completion Certificate certifying that the Facility is capable of combined cycle operation (with Liquid Fuel) in accordance with Clause 5.8.9; 5. Schedule 1. Insert the definition of Combined Cycle Commissioning Date RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 1
"Combined Cycle Commissioning Date" means Combined Cycle (L) Commissioning Date; 6. Schedule 1. Insert the definition of Combined Cycle Operation Date "Combined Cycle Operation Date" or CCOD means Combined Cycle (L) Operation Date or CCLOD; 7. Schedule 1. Insert the definition of Open Cycle Commissioning Period "Open Cycle Commissioning Period" means the period commencing at 0000 Hours on the Open Cycle Commissioning Date and ending at 0000 Hours on the Open Cycle Operation Date; 8. Schedule 5 Replace the first line of the second para of paragraph 5.3. (i) with the following: The Generating Set shall be capable of rapid starting and withstanding repeated full load rejection. 9. Schedule 5 Replace the first para of paragraph 5.3.3 (i) with the following: A single steam turbine shall be offered, which shall be capable to accommodate the total output of all HRSG s. Full turbine steam flow bypass system to the condenser shall be provided. The steam turbine shall have at least HP and LP sections, including: 10. Schedule 5 Replace the last two sentences of the second para of paragraph 5.3.3 (ii) with the following: RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 2
The generator shall be capable of supplying their rated power within plus or minus ten percent of normal rated voltages within the power factor range of 0.8 lagging and 0.95 leading. The generator shall be able to operate at any point within the generator capability curve. 11. Schedule 5 Replace the first para of paragraph 5.3.5 with the following: The cooling system shall be a mechanical draft cooling tower system using sea water. The cooling water system shall be designed to return all cooling water or blow down water to the sea within the allowable temperature rise and chemical concentration limits. 12. Schedule 5 Replace the second para of paragraph 5.3.14 with the following: 13. Schedule 5 The low voltage system shall be effectively earthed and should be rated for 3 phase fault level of 40 ka. The low voltage switchgear shall have air circuit breakers for incomers and bus couplers. The outgoing feeders shall be with switches, fuses and contactors/thermal overload relays in case of motor feeders. The low voltage switchgear shall be of the full draw-out type. Replace the second para of paragraph 5.3.17 with the following: All control cables shall be 1000 volt grade, multi-core, stranded, copper conductor, PVC insulated PVC sheathed. Size and armour of the cable shall be selected appropriately, as per wiring regulations. 14. Schedule 5 Replace the paragraph 5.3.21 with the following: 15. Schedule 5 The Facility shall be provided with an diesel engine driven generator(s) of adequate capacity to be able to take care of the start-up of the Facility using the GT during black-out conditions. The Emergency Diesel Generator (EDG) set shall also be provided as a reliable source of power supply to important equipment to enable safe shutdown of the Generating Set in the event of failure of complete AC supply in the station. Replace the 3 rd para of the paragraph 5.5.2 (ii) with the following: RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 3
The load ramping shall be limited to a maximum of 10% of NDC per minute, as the case may be, for step load increase at any load above the minimum stable load and also for a step load reduction from any load in the range of NDC to 40% of NDC. 16. Schedule 5 Replace the paragraph 5.5.2 (v) with the following: 17. Schedule 5 To be adjustable over the range as indicated in the Grid Code. The Facility shall be able to operate on the specific droop settings given by CEB as and when required within the Grid Code range. Replace the paragraph 5.5.3 (vi) with the following: (vi) Reactive load capability -5% of rated capacity 18. Schedule 5 Insert following at the end of paragraph 5.6.9: ANNEX 1 i. INDICATIVE SITE PLANS (Showing the Cooling Water Corridor and Fuel Supply Corridor proper plans will be included at the time of signing the PPA) a) Site Survey Plan b) General Layout of the Plant Area ii. SINGLE LINE AND INTERFACING DIAGRAM iii. CODE FOR INTERCONNECTION RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 4
i. (a) INDICATIVE SITE PLANS (PDF file name Annex 1 (i) (a) Site Survey Plan in enclosed separately) RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 5
i. (b) INDICATIVE SITE PLANS (PDF file name Annex 1 (ii) (b) General Layout of the Plant Area in enclosed separately) RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 6
(ii) SINGLE LINE AND INTERFACING DIAGRAM (PDF file name Annex 1 (ii) Single Line and Interfacing Diagram in enclosed separately) RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 7
(iii) CODE FOR INTERCONNECTION (PDF file name Annex 1 (iii) Code for Interconnection in enclosed separately) RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 8
19. Schedule 8 Replace the first para of Section 8.2 with the following: The Actual Available Capacity for any one Hour (AA h) shall not be more than NDC OL, NDC ON, NDC CL or NDC CN as applicable and shall be determined according to the following provisions: RFP for the Development of a 300 MW CCPP at Kerawalapitiya on BOOT Basis Addendum 2 of Volume III Mar 2017 9