REV 1-M-104 NEW WORK SECT 9-10.pdf
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- Solicitation number
- SP4702-22-R-0011
- Issued by
-
Defense Logistics Agency
About this file
This solicitation package describes a federal contract opportunity for water heater improvements at a Defense Logistics Agency facility in Columbus, Ohio. The scope of work involves installing a solar water tank, heat pump water heater, gas-fired condensing boilers, hot water circulation pumps, a chemical feeder, expansion tank, air separator, glycol feeder, and associated piping. The solicitation will be a 100% small business set-aside with a NAICS code of 238220 and size standard of $16.5 million. The fixed-price award will be made to the lowest-priced technically acceptable offer. Proposals are due by 1:00 PM Eastern on August 22nd and the period of performance is 540 calendar days from notice to proceed. A pre-proposal site visit is scheduled for August 1st with security registration required in advance.
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SCALE: 3/32" = 1'-0"
BUILDING 11 SECTION 9 & 10 - NEW MECHANICAL WORK PLAN
CODED NOTES:
1. INSTALL SOLAR WATER TANK IN ACCORDANCE WITH MANUFACTURER'S
RECOMMENDATIONS. SEE PIPING SCHEMATIC SHEET M-504. SEE UNIT
SCHEDULE SHEET M-601.
2. INSTALL NEW THERMOSTATIC MIXING VALVE AND CONNECT NEW
DOMESTIC HOT WATER SUPPLY TO EXISTING SYSTEM.
3. CONNECT NEW HOT WATER SUPPLY/RETURN PIPING TO EXISTING HOT
WATER SUPPLY/RETURN. SEE PIPING SCHEMATIC DETAIL M-502.
4. INSTALL NEW HEAT PUMP WATER HEATER IN ACCORDANCE WITH
MANUFACTURER'S RECOMMENDATIONS. SEE PIPING SCHEMATIC
SHEET M-504. SEE SCHEDULE SHEET M-601.
5. INSTALL NEW GAS-FIRED HOT WATER CONDENSING BOILERS. BOILER
INSTALLATION SHALL INCLUDE ALL FITTINGS AND ACCESSORIES
NECESSARY FOR PROPER OPERATION. BOILERS MUST BE INSTALLED
IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS.
EXHUAST FLUE AND COMBUSTION AIR INTAKE SHALL BE
SIZED/INSTALLED IN ACCORDANCE WITH BOILER MANUFACTURER'S
RECOMMENDATIONS. SEE BOILER EXHAUST DETAIL SHEET M-501. SEE
BOILER SCHEDULE SHEET M-601. SEE HOT WATER PIPING SCHEMATIC
SHEET M-503. SEE HOT WATER SYSTEM CONTROLS SHEET M-701.
6. INSTALL NEW HOT WATER CIRCULATION PUMPS WITH VFD CONTROL.
PROVIDE 6" CONCRETE PAD FOR UNIT. SEE HOT WATER CIRCULATION
PUMP SCHEDULE SHEET M-601. SEE PUMP DETAIL SHEET M-501.
7. INSTALL NEW 12 GALLON CHEMICAL FEEDER (CF-1) FOR HOT WATER
SYSTEM. SEE DETAIL SHEET M-501. PROVIDE 6" CONCRETE PAD FOR
UNIT.
8. INSTALL NEW BLADDER EXPANSION TANK FOR HOT WATER SYSTEM.
PROVIDE 6" CONCRETE PAD FOR UNIT. SEE SCHEDULE SHEET M-602.
9. INSTALL NEW AIR SEPARATOR BELL & GOSSETT MODEL RL-4F OR
APPROVED EQUAL. INSTALL UNIT IN ACCORDANCE WITH
MANUFACTURER'S RECOMMENDATIONS.
10. INSTALL NEW 55 GALLON GLYCOL FEEDER. INSTALL IN ACCORDANCE
WITH MANUFACTURER'S RECOMMENDATIONS. SEE PIPING SCHEMATIC
SHEET M-504.
11. INSTALL NEW INLINE CIRCULATING PUMP. INSTALL PUMP IN
ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS. SEE
DETAIL SHEET M-501. SEE SCHEDULE SHEET M-602.
SWT-11-9-1
GENERAL NOTES: M-101 THRU M-106
1. SOLAR COLLECTOR ARRAY AND PIPING ON ROOF NOT SHOWN ON
DRAWING FOR CLARITY. SEE LAYOUT ON SHEETS M-401 THRU M-403.
2. HOT WATER SUPPLY/RETURN (HWS/HWR) PIPING SHALL BE ASTM
A53/A53M, GRADE B, SCHEDULE 40, BLACK STEEL, SEAMLESS. WHERE
PIPE NEEDS REDUCED USE ECCENTRIC REDUCERS INSULATE NEW
HWS/HWR PIPE WITH 2" MINERAL FIBER WITH ALL SERVICE JACKET.
INSTALL PIPING AT A MINIMUM 13 FEET AFF.
3. ALL NEW DOMESTIC HOT WATER AND COLD WATER SHALL BE ASTM
B88M, COPPER TUBE, TYPE L. INSULATE NEW DOMESTIC HOT WATER
AND COLD WATER PIPING WITH 1" FLEXIBLE ELASTOMERIC INSULATION.
4. ALL EXTERIOR WATER/GLYCOL PIPING INSULATION SHALL HAVE AN
ALUMINUM WEATHER PROOF JACKET.
5. NEW GAS PIPING SHALL BE STEEL PIPE CONFORMING TO ASME B36.10M;
AND MALLEABLE-IRON THREADED FITTINGS CONFORMING TO ASME
B16.1 AND ASME B16.3.
6. PROVIDE NEW MANUFACTURERS STANDARDIZATION SOCIETY OF
VALVES AND FITTINGS (MSS) TYPE 43 HANGERS WITH TYPE 40
PROTECTIVE SHIELD PIPING. SPACE HANGERS PER MSS 58
GUIDELINES.
7. WATER DISTRIBUTION SYSTEM SHALL BE BALANCED IN ACCORDANCE
WITH SECTION 23 05 93.00 06 TESTING, ADJUSTING AND BALANCING FOR
HVAC OF THE PROJECT SPECIFICATIONS.
8. PIPING AND HEATER LOCATIONS ARE SCHEMATIC IN NATURE. PIPING,
UNIT HEATERS AND BOILERS SHOWN ARE PROVIDED TO SHOW
SUFFICIENT DETAIL FOR BIDDING AND EXECUTION. ACTUAL
INSTALLATION IN FIELD MAY BE REVISED (WITH GOVERNMENT
APPROVAL) TO EASE INSTALLATION.
9. PROVIDE PIPE SLEEVES WHERE PIPES PASS THROUGH MASONRY OR
CONCRETE WALLS. SLEEVES SHALL BE OF SUFFICIENT LENGTH TO
PASS THROUGH ENTIRE THICKNESS OF WALLS. SEAL ALL
PENETRATIONS TO 3 HR FIRE RATING.
WH-11-9-1
PIPE DOWN FROM SOLAR COLLECTOR ARRAY
SGP-11-9-1
DHWP-11-9-1
EXPANSION LOOP
5'-0" x 2'-6" x 5'-0"
EXPANSION LOOP
5'-0" x 2'-6" x 5'-0"
GF-11-9-1 10
AutoCAD SHX Text 2"
AutoCAD SHX Text
NORTH
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