REV 1-M-101 NEW WORK SECT 3-4.pdf

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Attached to
Project: CSC-20049 Water Heater (Solar) Improvements Bldg 11
Solicitation number
SP4702-22-R-0011
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About this file

This solicitation from the Defense Logistics Agency seeks proposals for a small business set-aside firm fixed price construction contract valued up to $16.5 million. The scope of work involves safety improvements including installing a new solar water heating system at Building 11 of the Defense Supply Center in Columbus, Ohio. Offerors must propose pricing and demonstrate technical qualifications, past performance, and construction capabilities in their responses by August 22nd, 2022 for award by early 2023. The selected contractor will have 540 days to complete installation of the new solar collectors, water tanks, pumps, and associated piping to provide hot water from renewable energy for the facility. A pre-proposal site visit is scheduled for August 1st to familiarize offerors with the project requirements.

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SCALE: 3/32" = 1'-0"

BUILDING 11 SECTION 3 & 4 - NEW MECHANICAL WORK PLAN

CODED NOTES:

1. INSTALL NEW THERMOSTATIC MIXING VALVE. PROVIDE PIPING AS

SHOWN ON TYPICAL MIXING VALVE TO FIXTURES SCHEMATIC SHEET

M-504.

2. INSTALL SOLAR WATER TANK IN ACCORDANCE WITH MANUFACTURER'S

RECOMMENDATIONS. SEE PIPING SCHEMATIC SHEET M-504. SEE UNIT

SCHEDULE SHEET M-601.

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 INLINE CIRCULATING PUMP. INSTALL PUMP IN

ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS. SEE

DETAIL SHEET M-501. SEE SCHEDULE SHEET M-602.

5. INSTALL NEW 55 GALLON GLYCOL FEEDER. INSTALL IN ACCORDANCE

WITH MANUFACTURER'S RECOMMENDATIONS. SEE PIPING SCHEMATIC

SHEET M-504.

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.

PIPE DOWN FROM SOLAR COLLECTOR ARRAY

EXISTING 1"Ø DOMESTIC HOT

WATER PIPING TO BE REUSED

SWT-11-4-1 SGP-11-4-1

WH-11-4-1

DHWP-11-4-1

GF-11-4-1

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AutoCAD SHX Text

NORTH

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