BOILER SAFETY VALVE REPAIR AND TESTING

1.0 ABSTRACT This item describes the overhaul and testing of four Boiler Safety Valves for the USS Mount Whitney, Two Drum and Two Superheater. 2.0 REFERENCES: 2.1 Tech Manual NAVSEA: Manual S99221 AL MMO 020-600 PSI Main Boiler. 3.0 ITEM LOCATION/DESCRIPTION 3.1 Location/Quantity of valves: MSC Warehouse Building LP-26, Naval Base Norfolk, Virginia. 3.1.2 Quantity: Four (4) Safety Valves 3.2 Item Description/Manufacturer's Data 3.2.1 Description and manufacturer's data: a. Steam drum valves 1 1/2F, 2 - HNP, Crosby A49149, rev C and rev B, and Superheater Safety Valve 4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES: 4.1 Two (2) each Steam Drum Safety valves 1 1/2F, 2 - HNP, Crosby A49149, rev C and rev B 4.2 Two (2) each Superheater Safety Valve 4.3 The government will pay for the services of the local ABS Surveyor to accomplish the requirements of this work item. 5.0 NOTES 5.1 a. Repair facility must be acceptable to the American Bureau of Shipping Surveyor. 5.2 Government will deliver the valves at Contractor's facility. Government will pick up the overhauled valves from contractors shop. Valves will need to be packaged for overseas shipment using heat treated wood. 5.3 All work performed in this item shall be approved by the American Bureau of Shipping (ABS) Surveyor. It is the contractor's responsibility to make arrangements with the American Bureau of Shipping Surveyor as to time and location of inspection. The contractor shall comply with the notification requirements of the ABS office. The government will pay for the services of the local ABS Surveyor to accomplish the requirements of this work item. 5.4 Valves certification of Shop Inspection and testing shall be provided in letter head form with American Bureau of Shipping review and approval shall carry ABS stamp. Three copies required. 6.0 QUALITY ASSURANCE REQUIREMENTS: 6.1 All repairs, inspection criteria, and procedures to be submitted, reviewed and approved in accordance with ABS Surveyor's requirements. 7.0 STATEMENT OF WORK REQUIRED. 7.1 Review Manual cited paragraph 2.1. Establish valve characteristics and overhaul requirements. 7.1.1 Provide the Services of the American Bureau of Shipping to inspect valves as found, make recommendations for repair, and inspect/certify final product. 7.1.2 Take delivery of the valves. a. Dismantle the valves completely for inspection by the ABS inspector. Machine the valve seat and disc; lap disc and seat as per Manufacturer's recommendations. Clean valves of any existing residues and oxidation deposits. Replace with new thermal discs where applicable. c. When directed by the Port Engineer and as approved by the ABS Surveyor, reassemble the valve, using new gaskets, packing and high temperature (heat treated) bolting. Lubricate components as required. d. Shop test with live Steam the safety valve at required lifting/blowdown setting and relative approved margins in the presence of the ABS Surveyor. Ensure proper lifting and blow down pressures and ABS acceptable reseating percentage. Prove valves do not leak by. e. Paint body external surfaces with silver high temperature paint to satisfy operating temperatures (max of 900 degrees Fahrenheit). f. Install a corro'sion resistant nameplate securely attached thereto; this nameplate shall show the name and address of the repairing agency, date of repair, ABS Surveyor Inspector's initials. g. After satisfactory completion of shop test, Government will deliver valve to address below. Valve is to be properly crated. A copy of valve certification shall be contained in the crate. One copy of certification delivered to the following address: 7.1.3 Provide labor, material and services to attend the USS MT Whitney and accomplish testing and setting of repaired safety valves upon installation onboard vessel. Ships force will accomplish installation of the Safety Valves upon receipt onboard the vessel. Location of Shipboard work: Onboard vessel located @ Viktor Lenac Shipyard in Rijeka Croiata. Period of Performance of Shipboard Work: 11-13 November 2011 8.0 GENERAL REQUIREMENTS: 8.1 Notify Port Engineer at the following point of contact: Steve Bauer USS Mount Whitney Port Engineer Cell 011 39 +1 (555) 000-0000 Work 011 39 0771 709 613 email: contact@example.gov and contact@example.gov when valves are received and when ready for return shipping.