AWARD
99 -- Repair HVAC in MFH FMO Warehouse Bldg#2468 and #2485, Osan AB
- Notice Date
- 9/4/2023 5:22:37 PM
- Notice Type
- Award Notice
- Contracting Office
- 0906 AQ CO CONTRACTING BAT APO AP 96202-0000 USA
- ZIP Code
- 96202-0000
- Solicitation Number
- W90VN6-23-F-0101
- Archive Date
- 09/12/2023
- Point of Contact
- Chaeyong Yi, Phone: 7576018
- E-Mail Address
-
chaeyong.yi5.ln@army.mil
(chaeyong.yi5.ln@army.mil)
- Award Number
- W91QVN-18-D-0071
- Award Date
- 08/30/2023
- Awardee
- KRIMA CONSTRUCTION CORP. Pyeontaek-si Gyeonggi-do 17974 KOR
- Award Amount
- 920049.36
- Description
- ARCHITECTURAL WORK: Provide new concrete splash blocks or raise the existing sunken splash blocks at all underneath the end of the downspouts and drain lines to prevent the soil from eroding and causing foundation issues. See the drawing sheet No. A-4. MECHANICAL WORK: Replace existing fuel oil tank and concrete pad foundation including all associate items such as the fuel leak detection and monitoring systems, level probe assembly, leak detectors for interstitial space, overfill containment and sumps, necessary wirings, fittings, and accessories with new concrete vaulted tank with a dispenser pump conforming to NFPA 30 Fire Safety Requirements, UL 2085, ULC-S655, and ULC-602 for Insulated/Secondary Containment for Above Ground Storage Tanks, Protected Type be electrically grounded IAW NEPA 780. Fuel piping must be replaced with new piping to include the fuel oil supply, return, drain, and priming pipes, manual valves, analog level gauge & float assembly, anti-siphon valves, foot valve with strainer, and the necessary fittings and accessories. Provide repair by replacement on the mechanical room pipework (the fuel oil supply and return pipes from containment sump or pipe transition assembly to burner final connection) which should include a manual shut off valve, automatic safety shutoff valve, pressure gauge, check valve, fuel filter, copper tube, and necessary fittings and analog level readout. Fuel transfer pump and day tank must be provided if the engine-mounted (driven) fuel pump is unable to draw fuel from the fuel tank due to distance or elevation. Replace existing all pipe bollards protection around the fuel oil tank with new ones. See the drawing Nos. M-1 and 2. The concrete pad foundation for the tank must be designed to support the tank plus the weight of the maximum amount of product the tank will be storing. The following minimum soil characteristics may be used if the vaulted tank is installed on a continuous solid slab which will uniformly distribute the weight of the tank and its contents to the soil: Bearing Capacity: minimum 1,000 but preferably 2,000 lb. per sq. ft. Total settlement: 1 inch maximum. Differential settlement: 1/2 inch maximum. Provide a minimum six inch (6"") thick granular sub-grade, compacted and graded to a level uniform subsurface prior to the cast slab placement or pouring of the cast-in-place slab. A contractor should evaluate the effect of the water table and frost lines if such unusual conditions exist at the site. Soil surface under foundation should be flat within 1/16"" per foot. Soil around foundation should be sloped away 1/8"" per foot minimum for 5 feet. Follow the tank manufacturer's installation instruction or guide for others. Note: The tank will not be returned to the government after removal. For disposal of the oil left in tank, coordinate with the Base HazWaste Contract through the COR for fuel removal. Contractor must coordinate with the 51 CES Environmental through the COR for the fuel tank removal and installation. The Contractor shall notify the Environmental Office of the capacity, contents, and provide a schematic drawing for each Fuel Storage Tank prior to bringing it on the installation. All ASTs shall be installed or erected IAW requirements on KEGS 201-1, AFMAN 32-1067, and UFC 3-460-03"" Replace existing entire HVAC and plumbing systems such as hot water heating boiler, circulating pump, temperature/pressure devices, smokestack, chemical feeder, piping distribution systems including insulation, backflow prevention assembly, balancing and control valve, air vent, fitting, flexible, switch, gauge, sensor, hanger, support, tank, unit heater, ventilator, louver, supports, all controls devices and work, and all necessary items with new ones in the boiler room No. 102 of B2485. New boiler shall equip a dual fuel (oil/gas) burner. Proper oil pump and tubing size must be provided for extracting oil in consideration of the new fuel oil tank and transfer system. Remove existing hydronic unit heater and associate piping and parts. New electric unit heater must be 2 KW heating capacity minimum. See the drawing Nos. M-3 and 4. Note: The contractor shall provide a copy of manufacturer specification for new boiler to 51 CES Environmental Office. If possible, emission test data shall be provided as well. Replace existing air handling unit (AHU) including flexible duct, temperature/pressure devices, piping systems from the boiler including insulation, balancing and control valve, fitting, flexible, switch, gauge, sensor, hanger, support, all controls devices and work, smoke detectors if required, and all necessary items with new ones in B2485. The existing air distribution duct in the buildings remains however contractor must consider partial duct work requirement for duct connection to new AHU, partial removal/re-installation of the existing other piping (eg. fire water piping), and replacement of guardrail around the AHU for AHU replacement. See the drawing No. M-5. Replace existing outdoor condensing unit including temperature/pressure devices, piping systems to the AHU including insulation, balancing and control valve, fitting, flexible, switch, gauge, sensor, hanger, support, all controls devices and work, and all necessary items with new ones for B2485. See the drawing No. M-5. Replace existing dehumidification unit (DHU) and duct heater including flexible duct, temperature/pressure devices, piping systems from the boiler including insulation, balancing and control valve, fitting, flexible, switch, gauge, sensor, hanger, support, all controls devices and work, smoke detectors if required, and all necessary items with new ones in B2465. The existing air distribution duct in the building remains however contractor must consider partial duct work requirement for duct connection to new DHU and duct heater replacement, and replacement of chain-link fence and other existing piping (eg. fire water piping) around the DHU. See the drawing No. M-6. Replace existing outdoor condensing unit including temperature/pressure devices, piping systems to the DHU including insulation, balancing and control valve, fitting, flexible, switch, gauge, sensor, hanger, support, all controls devices and work, and all necessary items with new for B2465. See the drawing No. M- 6. Provide associate restoration work including earthwork, pavement, concrete curb, and concrete block for the mechanical work. Repair damaged ground with backfilling and seeding. See the drawing sheet No. G-2. Perform Testing, Adjusting, and Balancing (TAB), and Commissioning work. Note: All DDC controllers and devices installed by Energy Saving Performance Contract (ESPC) for the existing implemented Energy Conservation Measures (ECMs) shall remain. If they are required to be replaced or relocated, it must be installed by the proper one for ESPC, and restored to original condition. Contractor must coordinate with the base ESPC contractor through the COR before and after work to ensure that the conditions for the originally intended ECMs such as control schedule, and scheme, and functional aspects are properly restored or operational. All associate civil, architectural, and electrical work must be included. ELECTRICAL WORK: Remove existing wire gutter, enclosed circuit breakers, watt hour metering system, building panel boards (�MP� and �A, 1� for B2468, �PP� for B2485) form the existing pad mounted transformer T2485 (150KVA) including cable and conduits except embedded in concrete. Existing enclosed circuit breaker NEMA 3R: For B2468 3P-208V-400A, For B2485 3P-208V-150A Existing Panelboard �MP� NEMA 3R for B2468: 3P4W-208V, Main 400A, Branch C.B 8set Existing Panelboard �A, 1� NEMA 1 for B2468: 3P4W-208V, Main 225A, Branch C.B 30set Existing Panelboard �PP� NEMA 1 for B2485: 3P4W-208V, Main 150A, Branch C.B 26set Install new wire gutter, enclosed circuit breakers, watt hour metering system with current transformer, building panel boards form the existing pad mounted transformer including cable, conduits and all connection appurtenances. AMRS Compliant Meter list: Schneider Electric PM8000, Schneider Electric ION 8650, Schneider Electric ION 9000, Schneider Electric ION 9000T, Siemens 9410, Siemens 9810 Verification of existing panels is contractor�s responsibility for accommodating mechanical and electrical works and developing complete drawings. Replace and install conduits and power cables from new electrical panel boards to each mechanical/electrical equipment designed to be replaced under mechanical/electrical scope of work including control system, disconnect switches, motor starter, fittings and accessories. New electrical equipment such as panel board, enclosed circuit breaker, disconnect switch, motor starter, control system, cables and conduits shall be matched with new mechanical/electrical equipment capacity and sequence of operation. Replace existing interior/exterior lighting system including cable, conduits, lighting contactor, photocell, and switches with new LED lighting system. Calculate illumination level based on design criteria UFC 3-530-01 Existing lighting B2468: Storage area-bay LED lighting 15 set, Exit lighting 3 set, Emergency lighting 3 set. Existing lighting B2485: Storage area-bay LED lighting 16 set, Exterior Canopy down lighting 6 set, Exterior wall flood lighting 8set, Entry door flood lighting 4 set, Exit lighting 2 set, Emergency lighting 3 set, Boiler room lighting 2 set. Note: The contractor shall ensure all removed lights should be disposed of IAW KEGS, Korean environmental laws and regulations. Also, it should be provided proper documentation for Hazardous Waste Disposal/recycling to the Environmental Office. Replace existing duplex receptacle 8set of each building with new one. Replace existing duplex GFCI receptacle 4set with WP cover for B2485 exterior wall. FIRE PROTECTION: Replace existing fire alarm system with new. The testing of fire alarm system and fire sprinkler system shall by performed by the contractor with the witnesses including 51 CES Alarm Shop, CE Utility Shop, and Fire Department. OTHER INFORMATION: Government will not provide a laydown area in the on-base. Consider off-base laydown area cost. Contractor shall disassemble and deliver salvageable materials to designated location that are identified during initial joint inventory survey. The contractors should keep any roll offs or alternate disposal containers neat and clean. Also, they should also segregate trash, construction material/debris, and recyclable materials from each other and dispose of each appropriately. Ensure that no concrete debris are directed into the storm water system. If the project includes field activities for repair or repaint such as dry sanding, dry scrapping or abrasive blasting that may disturb existing paint surfaces and release lead paint dust, the presence of LBP for the project areas should be confirmed and coordinated with CEIE prior to construction.
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