140P1224Q0047_Attachment_2_Replacement_of_Water_Heaters_Drawings.pdf

PROJECT GENERAL NOTES:

1. THE GENERAL AIM OF THIS PROJECT IS TO REPLACE EXISTING WATER HEATERS THROUGHOUT THE PARK. THE CONTRACTOR SHALL PROVIDE ALL WORK, INCLUDING INCIDENTAL REQUIREMENTS, TO ACHIEVE THIS PROJECT AIM. REFER TO PROJECT SCOPE OF WORK AND SPECIFICATIONS FOR ADDITIONAL INFORMATION.

2. THE LOCATION AND ROUTING OF EXISTING AND PROPOSED SERVICES AND EQUIPMENT SHOWN IN THESE SKETCHES ARE INDICATIVE ONLY. NOT ALL EXISTING SERVICES ARE SHOWN. THE CONTRACTOR SHALL FIELD VERIFY ALL EXISTING CONDITIONS PRIOR TO SUBMITTING BID.

3. THESE SKETCHES ARE SCHEMATIC IN NATURE AND ILLUSTRATE THE GENERAL ARRANGMENT OF PROPOSED NEW SERVICES AND EQUIPMENT. THESE SKETCHES ARE NOT TO SCALE. THE CONTRACTOR SHALL FIELD VERIFY SPATIAL REQUIREMENTS AND SERVICES ROUTING BASED ON EXISTING CONDITIONS AND SHALL MAKE NECESSARY ADJUSTMENTS IN EQUIPMENT PLACEMENT AND CONNCETION IN ORDER TO ACCOMMODATE EXISTING CONDITIONS AT NO ADDITIONAL COST TO THE GOVERNMENT.

4. NOT ALL EXISTING SERVICES TO BE MODIFIED OR RELOCATED ARE SHOWN IN THESE SKETCHES. THE CONTRACTOR SHALL COORDINATE MODIFICATION, TEMPORARY DEMOLITION AND RE-INSTATEMENT, OR RELOCATION OF THESE SERVICES AS REQUIRED TO ACHIEVE THE GENERAL AIM OF THIS PROJECT AT NO ADDITIONAL COST TO THE

GOVERNMENT.

5. ALL NEW SERVICES AND EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH MANUFACTURER'S REQUIREMENTS.

6. THE CONTRACTOR SHALL UTILIZE EXISTING BUILDING FABRIC PENETRATIONS. ANY REQUIREMENT FOR NEW FABRIC PENETRATIONS SHALL BE SUBMITTED FOR REVIEW AND APPROVAL BY THE GOVERNMENT VIA REQUEST FOR INFORMATION PRIOR TO WORK TAKING PLACE ON SITE.

7. ALL EQUIPMENT SHALL BE FULLY ACCESSIBLE FOR MAINTENANCE.

8. THE CONTRACTOR MUST INCLUDE ALL ACCESSORIES REQUIRED FOR A COMPLETE INSTALLATION, WHICH MAY NOT CURRENTLY BE PRESENT, INCLUDING BUT NOT LIMITED TO EXPANSION TANKS, OVERFLOW PANS, T&P VALVES, HEAT TRAPS, AND DISCONNECT SWITCHES.

190020

VOLTAGE POWER BASIS OF DESIGN

WH-1A 6 GAL 120V/1P 1500W BRADFORD WHITE LE16U5-1

WH-1B - 120V/1P 1800W EEMAX SPEX1812

WH-2 - 120V/1P 8300W EEMAX SPEX8208

WH-3A - 120V/1P 1800W EEMAX SPEX1812ML

WH-3B - 120V/1P 1800W EEMAX SPEX1812ML

WH-3C - 240V/1P 3500W EEMAX SPEX35

WH-4 40 GAL 208-240V/1P 4500W BRADFORD WHITE LE340S3-5

ELECTRICALTANK

CAPACITYTAG

EQUIPMENT SCHEDULE

REMARKS: PROVIDE ALL ACCESSORIES WITH EQUIPMENT AS REQUIRED FOR A

COMPLETE AND OPERABLE INSTALLATION.

WH-1A

BUILDING SCOPE OF WORK:

Replace two electric water heaters in building with similar units.

Restroom Core water heater located in adjacent utility room Mechanical A6. Existing electric water heater, WH-1A, is a 6 Gallon tank with 1500W element, 120V. Unit to be replaced in kind with new unit. Replace pipe insulation back to wall supports.

Breakroom A1 sink domestic water heater is located in the millwork below the sink. Existing electric water heater, WH-1B, is tankless type. Unit to be replaced in kind with new unit.

Provide new water heater isolation valves.

WH-1B

EXISTING WATER HEATER WH-1BEXISTING WATER HEATER WH-1A

190020

10/04/2023

Replace existing electric domestic water heater with new electric tankless unit in same location. Existing unit is Reliance 501 20-gallon, 120V, with 1500W element located high on shelf in corner of Restroom. New tankless water heater to be mounted in similar location, in manner for ease of maintenance. Demolish all PVC piping back to metal pipe and update piping to new water heater installation. Provide insulation for all exposed piping and new water heater isolation valves. Update electric service to new water heater from Panel 'B', located in BAY 4 SHOP, approximately 40-ft away, with new branch circuit and new disconnect switch.

WH-2

(E) ELECTRIC

PANEL 'B'

EXISTING WATER HEATER WH-2EXISTING PANEL SCHEDULE

190020

10/04/2023

NEW WATER HEATER / 8300W / 40A2P

B-32,34

(3-#8+#10GR)-3/4"EMT

NEW WATER HEATER MENS / 1200W / 20A1P

NEW WATER HEATER WOMENS / 1200W / 20A1P

UTILITY

BUILDING SCOPE OF WORK:

Replace existing electric domestic tank type water heater with new electric tankless units.

Existing water heater, is Bradford White 20-gallon tank mounted on floor of Mechanical Room

103. Install three new electric tankless water heaters, one to serve each the Men's Room (WH-3A), Women's Room (WH-3B), and the utility sink (WH-3C). New unit mounting to be field coordinated to minimize hot-water pipe runs to all fixtures. Update piping layouts as required for new installation, include insulation on all exposed piping, and new equipment isolation valves. Provide new electric branch circuits to each water heater from electrical panelboard 'A' located in Mechanical Room 103 with disconnecting means at each water heater. All work shall be performed within Mechanical Room 103, minimizing impact on finished restroom spaces.

Repair any damage to finished spaces affected by this work.

EXISTING

(E) ELECTRIC

PANEL 'A'

WH-3C

WH-3B

WH-3A

Replace existing electric tank domestic water heater with similar unit. The existing water heater. WH-4, is a Bradford White 40-gallon tank located in the Fort's utility/laundry Room

125. Unit to be replaced in kind with new unit. Provide new electrical disconnect and any associated water heater accessories required for a complete installation.

WH-4