Amended Grade D Air Compressor & Regenerative Air Dryer Rental

STATEMENT OF WORK (SOW) (Grade D Air Compressor and Regenerative Air Dryer Rental) Page 1 of 12 1. Scope: 1.1 Title: Grade D Air Compressors and Regenerative Air Dryers Rental for SCAT 1.2 Job Order: 3878J21102 S03 1.3 Service rental from vendor to provide Three (3) 800 cubic feet per minute (CFM) Grade D Air Compressors, and Three (3) 930 cfm minimum Regenerative Air Dryer Units meeting the specifications outlined below: 1.4 Location of work: 1.4.1 NORFOLK NAVAL SHIPYARD (NNSY) Inside NNSY waterfront CIA area in support of the Ford Project at Pier 5A. (location subject to change within NNSY or externally to Naval Station Norfolk (NSN)). 2. Reference: 2.1 CGA G-7.1 2.2 ISO 8573-1 2.3 NAVFAC P-307 2.4 FAR 22.102-1(a) (Safety) 2.5 OSHECM Chapter 250 3. General Specifications: 3.1 GRADE “D” AIR COMPRESSOR PARAMETERS: 3.1.1 The air compressors shall provide at least 800 cubic feet a minute (CFM) at 125 psig and shall be of an oil free, rotary screw design delivering Grade “D” air per CGA G-7.1 or oil free air per ISO 8573-1 Class 0. 3.1.2 Each air compressor must have a moisture separator (electric type) after cooler. 3.2 GRADE “D” AIR COMPRESSOR REQUIREMENTS: 3.2.1 Compressors must be of a rotary screw design. An oil flooded rotary screw design with attached oil separator is not acceptable. 3.2.2 Compressors must be a fixed speed design. A variable speed design is not acceptable. 3.2.3 The air compressors shall be electrically powered, suitable for 460 VAC, 3-phase, 60HZ, capable of running on a 400 amp circuit breaker. 3.2.4 The air compressors must be capable of running 24 hours/day, 7 days/week. 3.2.5 The compressors must have a gearbox casing designed to maintain a vacuum on its oil contents in order to prevent a potential of contamination of the air supply in the event of a seal failure. 3.2.6 The air compressors shall be equipped with fully automatic switching controls, alarms, and indicators so that the compressor packages require monitoring no more than once every 24 hours by operators after start-up. 3.2.7 Units will be in continuous use outdoors, and will be directly exposed to everyday weather and salt water air. All exposed components must be weather resistant. All components must meet or exceed NEMA Type 4 -- 1 of 12 -- STATEMENT OF WORK (SOW) (Grade D Air Compressor and Regenerative Air Dryer Rental) Page 2 of 12 for outdoor use. It is the contractor’s responsibility to provide any protective coverings for the units. 3.2.8 Whip-check devices must be supplied with compressors. 3.3 GRADE “D” AIR COMPRESSOR CONSTRUCTION 3.3.1 The air compressors shall be wholly contained in one container or skid per compressor. The container/skid shall be constructed to be portable, capable of being both transported by forklift and crane. 3.3.2 The air compressors shall comply with the applicable OSHA regulations. 3.3.3 The air compressors shall comply with the applicable ASME Boiler and Pressure Vessel Code. 3.3.4 Relief valves shall have intact wire seals on their adjustment caps and shall bear tags indicating the set point, testing activity and test date. 3.3.5 Pressure gauges shall be in calibration to manufacturer standards and shall bear labels showing calibration which will not expire during the contract period. 3.3.6 Power cable end fittings will be lugged and color coded to indicate proper phasing. See Appendix A of this section – “Interface Requirements for Rental Equipment Hook-up to NNSY Temporary Service” for proper electrical connections required. 3.3.7 The inlet and outlet of air compressors shall be 2” Male NPT. If units are not equipped with 2” Male NPT inlet/outlet connections, contractor shall provide and preinstall adapters as required at no cost to the government. See Appendix A of this section– “Interface Requirements for Rental Equipment Hook-up to NNSY Temporary Service” for proper mechanical connections required. 3.3.8 The equipment shall be outfitted with suitable attachments for overhead lifting. 3.3.9 Each lifting attachment shall be capable of supporting one half the gross weight of the equipment with a design factor of five to one based on ultimate strength. 3.3.10 Each lifting attachment shall be designed to accept a standard anchor shackle (Federal Specification RR-C-271D, type IVA) which is capable of supporting one half the gross weight of the equipment. 3.3.11 Design of the lifting attachments shall be such that the shackles are not side loaded. 3.3.12 Each lifting attachment shall be conspicuously marked in a contrasting color “Lift Here”. Letters shall have a minimum height of 1”. 3.3.13 The equipment shall be marked in a prominent location with the gross weight. Marking shall be upper case letters of a contrasting color, with a minimum height of 1”. Marking shall include the units (i.e. “pounds”, “long tons”, etc.). 3.3.14 The equipment shall be provided with a lifting sketch / rigging diagram. 3.3.15 The lifting sketch shall detail any specific requirements and / or configurations that must be met prior to lifting (i.e. “engage swing lock”, -- 2 of 12 -- STATEMENT OF WORK (SOW) (Grade D Air Compressor and Regenerative Air Dryer Rental) Page 3 of 12 “Tilt mast back fully”, “Rotate lifting basket over side”, “Utilize 10’ minimum length slings”, “Spreader beam required”, etc.). 3.4 REGENERATIVE AIR DRYER PARAMETERS: 3.4.1 Regenerative air dryer units shall be capable of handling at least 930 cubic feet a minute (CFM) at 125 psig. Regenerative air dryer units must be able to provide a dew point of -65 degrees F. 3.5 REGENERATIVE AIR DRYER REQUIREMENTS: 3.5.1 The regenerative air dryer units shall be electrically powered, suitable for 110/120 VAC, 1-phase, 60HZ. The dryers shall be self-contained so that the system is capable of producing dry air WITHOUT any additional utilities. 3.5.2 The regenerative air dryer units must provide oil-free air. 3.5.3 The regenerative air dryer units must be capable of running 24 …