REV 1-M-404 MECHANICAL ROOM NEW WORK.pdf
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- Solicitation number
- SP4702-22-R-0011
- Issued by
-
Defense Logistics Agency
About this file
This document contains a federal contract opportunity solicitation for water heater improvements at a Defense Logistics Agency facility. The solicitation seeks proposals for safety improvements including the installation of a solar water tank, heat pump water heater, gas-fired condensing boilers, circulation pumps, a chemical feeder, expansion tank, air separator, and glycol feeder. The work must be completed within 540 calendar days of the notice to proceed. The pre-proposal site visit will take place on August 1, 2022, and proposals are due by August 22, 2022. The award will be a firm fixed-price contract for a 100% small business set-aside requirement with a NAICS code of 238220 and size standard of $16.5 million. The selection will be based on lowest price for technically acceptable proposals meeting the requirements.
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BUILDING 11 SECTION 9 - BOILER ROOM NEW WORK PLAN
GENERAL NOTES: M-101 THRU M-401
1. 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.
2. INSULATE NEW HWS/HWR PIPE WITH 2" MINERAL FIBER WITH ALL
SERVICE JACKET. INSTALL PIPING AT A MINIMUM 13 FEET AFF.
3. 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.
4. 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.
5. 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.
6. 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.
7. 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.
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 INLINE CIRCULATING PUMP. INSTALL PUMP PER
MANUFACTURER'S RECOMMENDATIONS. SEE DETAIL SHEET M-501.
SEE SCHEDULE SHEET M-602.
3. INSTALL NEW HEAT PUMP WATER HEATER IN ACCORDANCE WITH
MANUFACTURER'S RECOMMENDATIONS. SEE PIPING SCHEMATIC
SHEET M-504. SEE SCHEDULE SHEET M-601.
4. 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.
5. 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.
6. INSTALL NEW 12 GALLON CHEMICAL FEEDER (CF-1) FOR HOT WATER
SYSTEM. SEE DETAIL SHEET M-501. PROVIDE 6" CONCRETE PAD FOR
UNIT.
7. INSTALL NEW BLADDER EXPANSION TANK FOR HOT WATER SYSTEM.
PROVIDE 6" CONCRETE PAD FOR UNIT. SEE SCHEDULE SHEET M-602.
8. INSTALL NEW AIR SEPARATOR BELL & GOSSETT MODEL RL-4F OR
APPROVED EQUAL. INSTALL UNIT IN ACCORDANCE WITH
MANUFACTURER'S RECOMMENDATIONS.
9. INSTALL NEW 55 GALLON GLYCOL FEEDER. INSTALL IN ACCORDANCE
WITH MANUFACTURER'S RECOMMENDATIONS. SEE PIPING SCHEMATIC
SHEET M-504
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