Repair Heat Plant Expansion Tanks PWS.doc

PERFORMANCE WORK STATEMENT

REPAIR EXPANSION DRUMS

CENTRAL HEAT PLANT

Dover AFB

1 August 2008

PERFORMANCE WORK STATEMENT

REPAIR EXPANSION DRUMS

CENTRAL HEAT PLANT

1. DESCRIPTION OF SERVICES. The contractor shall provide all management, tools, supplies, equipment, expertise and labor necessary to repair expansion drums A and B at the Central Heat Plant, building 617 at Dover AFB in a satisfactory manner. Expansion drum A and B data is as follows. Manufacturer: Leonard Welding & Mfg. Co. St Louis, MO; Maximum W.P. 300 PSI, 650 F; Serial number: 1400, Date 2 54; Order number: 4507.

1.1. BASIC SERVICES. The contractor shall weld all repairs in accordance with ASME/NBIC with testing and inspection by a certified licensed inspector. The contractor shall provide ASME/NBIC compliance documentation for weld repairs made on expansion drums A and B.

a. Drum A: The contractor shall make necessary welds to repair 4 angle iron supports and the cracked return pipe inside of the drum. The contractor shall weld the existing 8 inch balancing pipeline on the inside the drum wall at the pipe penetration. The contractor shall re-secure the 18 inch hatch on drum and all other open connections; provide gaskets and other related hardware necessary to ensure the drum is water tight prior to returning to full operation and/or testing purposes.

b. Drum B: The contractor shall make necessary welds to repair all cracked angle iron supports and cracked return pipe inside of drum. The contractor shall remove protective insulation at areas of repair on the drum. The contractor shall remove the sight glass level gauge and associated piping and replace it with new piping to include proper support up to the sight glass blow down drain line. Contractor shall supply all piping, fittings, valves, flexatallic gaskets and hardware. The contractor shall re-install protective insulation around areas repaired. The contractor shall provide and install a sight glass light that enables workers to monitor water level inside of expansion drum to ensure safe operations.

1.2. SAFETY. The contractor shall perform all work in strict accordance with the highest safety standards and applicable codes in order to eliminate the possibility of damage to building structures.

a. Confined Space: The contractor shall follow OSHA and Dover confined space, lock-out/tag-out, hot work safety rules and supply its site workers with all required safety equipment to include certifications for confined space entry workers.

b. The contractor shall provide and install steel plates into flanges as necessary to block or prevent water intrusion prior to confined space entry.

1.3 TESTING. The contractor is responsible for testing requirements to include Hydrostatic tests on all pipe welds. The contractor shall provide all labor and material required for testing and restoring drums back to operation.

1.4 SITE CLEANUP: Upon completion of repairs, the contractor shall dispose of debris removed from expansion drum repairs and general cleanup of work site area. All disposal of debris is the responsibility of the contractor and is to be removed from Dover AFB.

1.5. CERTIFICATIONS. The contractor is to submit all R-Stamp inspection testing certification along with its proposal to the government for verification.

1.6. Government Furnished Property And Services. The government will provide, without cost, the facilities, equipment, materials and services listed below:

a. Isolation of drums A & B, close valves piping system (double valve protection). Drain and open 18inch manhole flange

b. Lock-out/tag-out

c. Hot work permit

d. Confined space permit

e. Refill and return drums to operation after completion of repairs

f. Provide scrap metal container

g. Remove asbestos as needed

2. GENERAL INFORMATION.

2.1. Contact Mr. Robert Grimes before job start at 677-4850.

3. GOVERNMENT REMEDIES. The contracting officer shall follow the requirements of FAR 52.212-4, Contract Terms and Conditions for Commercial Items (Oct 2003), for contractor’s failure to correct nonconforming services.