Statement_of_Work_-_Attachment_A_(Sketches).pdf

SITE MAP

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MAINTENANCE

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ADMIN BUILDING

GENERAL NOTES:

1. THE GENERAL AIM OF THIS PROJECT IS TO REPLACE EXISTING HVAC SYSTEMS

WITH COMPLETE AND FUNCTIONAL REPLACEMENT SYSTEMS. THE CONTRACTOR

SHALL PROVIDE ALL WORK, INCLUDING INCIDENTAL REQUIREMENTS, TO ACHIEVE

THIS PROJECT AIM. REFER TO PROJECT SCOPE OF WORK OR SPECIFICATIONS

FOR ADDITIONAL DETAILS.

2. THE LOCATION AND ROUTING OF EXISTING AND PROPOSED EQUIPMENT

SHOWN IN THESE SKETCHES ARE INDICATIVE ONLY. NOT ALL EXISTING SERVICES

ARE SHOWN AND MAY NOT REPRESENT AS-BUILT CONDITIONS. THE CONTRACTOR

SHALL FIELD VERIFY ALL EXISTING CONDITIONS.

3. THESE SKETCHES ARE SCHEMATIC IN NATURE AND ILLUSTRATE THE GENERAL

ARRANGEMENT 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

CONNCECTION 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 EXISTING BUILDINGS SHALL REMAIN WEATHER-TIGHT THROUGHOUT THE

PROJECT. THE CONTRACTOR SHALL MAKE ANY NECESSARY TEMPORARY

PROVISIONS TO ACHEIVE THIS REQUIREMENT.

6. ALL NEW SERVICES AND EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE

WITH MANUFACTURER'S REQUIREMENTS AND BE FULLY ACCESSIBLE FOR

MAINTENANCE.

7. 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.

8. IN GENERAL, ALL EXISTING DUCTWORK SHALL REMAIN, EXCEPT WHERE

MODIFICATIONS ARE REQUIRED. THE CONTRACTOR SHALL PROVIDE ALL

NECESSARY DUCTWORK MODIFICAITONS AND TRANSITIONS TO CONNECT TO

EXISTING AS NOTED AND AS REQUIRED TO ACHIEVE THE AIM OF THIS PROJECT.

9. CARE MUST BE TAKEN TO ENSURE NO DAMAGE OCCURS TO EXISTING

STRUCTURES, WINDOWS, ELEMENTS, INTERIOR CEILINGS, WALLS, ETC.

CONTRACTOR MUST PROVIDE ADEQUATE PROTECTION TO PREVENT ANY

DAMAGE.

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STAGING

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ADMINISTRATIVE

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ADMINISTRATIVE BUILDING

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EXISTING EQUIPMENT SCHEDULE:

FU-1A: CARRIER MODEL 58MCA060--16, PAIRED WITH CU-1A. 60 MBH INPUT, 1600 CFM NOMINAL.

FU-2A: CARRIER MODEL 58MCA080--20, PAIRED WITH CU-2A. TWINNED WITH FU-3A. 80 MBH INPUT, 2000 CFM

NOMINAL.

FU-3A: CARRIER MODEL 58MCA080--20, PAIRED WITH CU-2A. TWINNED WITH FU-2A. 80 MBH INPUT, 2000 CFM

NOMINAL.

CU-1A: CARRIER MODEL 38TZA042---331. PAIRED WITH FU-1A. 3.5 TON NOMINAL CAPACITY, R-410A REFRIGERANT.

208/230V-1P, 24.4 MCA, 40A MOCP (50A2P BREAKER EXISTING).

CU-2A: CARRIER MODEL 38ARZ-008---501. PAIRED WITH FU-2A/3A . 7.5 TON NOMINAL CAPACITY, SINGLE CIRCUIT.

R22 REFRIGERANT. 208/230V-3P, 35 MCA, 60A MOCP (70A3P BREAKER EXISTING).

*THE CONTRACTOR SHALL BE RESPONSIBLE TO VERIFY ALL PROVIDED INFORMATION IN THE FIELD.

PROPOSED EQUIPMENT SCHEDULE:

FU-1A: CARRIER MODEL 59SC2A060S17--14, PAIRED WITH CU-1A (3.5-TON A/C). 60 MBH INPUT, 92% AFUE, 1400 CFM NOMINAL AIRFLOW. 115V-1P, 11.5 MCA, 15A MOCP. PROVIDE CONDENSATE NEUTRALIZER & EXTERNAL TRAP AND GAS CONVERSION ACCESSORIES AS REQUIRED. EQUIPMENT TO INCLUDE MANUFACTURER'S REFRIGERANT

DETECTION SYSTEM AS REQUIRED.

FU-2A: CARRIER MODEL 59SC2A080S21--20, PAIRED WITH NEW CU-2A (7.5 TON A/C) AND TWINNED WITH FU-3A. 80 MBH INPUT, 92% AFUE, 2000 CFM NOMINAL AIRFLOW. 115V-1P, 19.1 MCA, 20A MOCP. PROVIDE CONDENSATE NEUTRALIZER & EXTERNAL TRAP, TWINNING KIT, AND GAS CONVERSION ACCESSORIES AS REQUIRED.

EQUIPMENT TO INCLUDE MANUFACTURER'S REFRIGERANT DETECTION SYSTEM AS REQUIRED.

FU-3A: SAME AS FU-2A. TWINNED WITH FU-2A.

CU-1A: CARRIER MODEL 26SCA542. PAIRED WITH NEW FURNACE FU-1A WITH NEW EVAPORATOR COIL PER EQUIPMENT MANUFACTURER. 3.5 TON NOMINAL CAPACITY, SINGLE STAGE, 14.3 SEER2, 208/230V-1-60, 22.7 MCA, 35A MOCP. R-454B REFRIGERANT WITH 7.2LB FACTORY CHARGE. PROVIDE WITH START ASSIST KIT, CYCLE PROTECTOR, AND CRANKCASE HEATER. INTEGRATES WITH INDOOR UNIT FOR A2L LEAK DETECTION SYSTEM

SHUT-DOWN. NEW REFRIGERANT LINESET PIPING SIZED PER EQUIPMENT MANUFACTURER.

CU-2A: CARRIER MODEL 38AXZM08A0-5. PAIRED WITH NEW TWINNED FURNACES FU-2A & FU-3A WITH SINGLE NEW EVAPORATOR COIL; COIL SELECTION PER EQUIPMENT MANUFACTURER. 11.2 EER, 7.5-TON NOMINAL CAPACITY, 2-STAGE COOLING. 208/230V-3-60, 37 MCA, 60A MOCP. R-454B REFRIGERANT WITH 9.0LB FACTORY CHARGE. PROVIDE WITH LOUVERED HAIL GUARDS. INTEGRATES WITH INDOOR UNIT FOR A2L LEAK DETECTION SYSTEM SHUT-DOWN. NEW REFRIGERANT LINESET PIPING SIZED PER EQUIPMENT MANUFACTURER.

*PROPOSED EQUIPMENT IS BASIS OF DESIGN ONLY. APPROVED EQUIVALENTS MEETING SALIENT

CHARACTERISTICS MAY BE PROPOSED WITH NPS APPROVAL.

KEYED NOTED:

EXISTING UPFLOW FURNACE UNIT TO BE REPLACED IN-KIND INCLUDING EVAPORATOR COIL PAIRED WITH NEW OUTDOOR A/C UNIT (CU-1A). REUSE AND RECONNECT TO EXISTING ELECTRICAL. REUSE AND MODIFY EXISTING DUCTWORK IN SAME CONFIGURATION AS REQUIRED FOR NEW EQUIPMENT. RECONNECT TO EXISTING CONDENSATE DRAINAGE. RECONNECT EXISTING PVC VENTING TO NEW UNIT AND REUSE EXISTING WALL CONCENTRIC VENT. REPLACE FINAL FLEXIBLE GAS CONNECTION BACK TO SEDIMENT TRAP TEE.

EXISTING TWINNED UPFLOW FURNACE UNITS TO BE REPLACED IN-KIND INCLUDING EVAPORATOR COIL PAIRED WITH NEW OUTDOOR A/C UNIT (CU-2A). REUSE AND RECONNECT EXISTING ELECTRICAL. REUSE AND MODIFY EXISTING DUCTWORK IN SAME CONFIGURATION AS REQUIRED FOR NEW EQUIPMENT. RECONNECT TO EXISTING CONDENSATE DRAINAGE. RECONNECT EXISTING PVC VENTING TO NEW UNITS AND REUSE EXISTING WALL CONCENTRIC VENTS. REPLACE FINAL FLEXIBLE GAS CONNECTIONS AT EACH UNIT BACK TO SEDIMENT

TRAP TEE(S).

EXISTING SPLIT AIR CONDITIONING UNIT TO BE REPLACED IN-KIND. REUSE EXISTING CONCRETE EQUIPMENT PAD. RECONNECT TO EXISTING ELECTRICAL DISCONNECT SWITCH. REPLACE REFRIGERANT LINESET ROUTED TO INDOOR COIL PER EQUIPMENT MANUFACTURER REQUIREMENTS; INSTALL WITH LIQUID LINE SOLENOID VALVE, LIQUID LINE FILTER DRIER, AND SIGHT GLASS AT INTERIOR. REPLACE EXISTING CIRCUIT BREAKER IN

PANEL (OCPD) TO MATCH NEW EQUIPMENT, USING EXISTING WIRING.

EXISTING SPLIT AIR CONDITIONING UNIT TO BE REPLACED IN-KIND. REUSE EXISTING CONCRETE EQUIPMENT PAD. RECONNECT TO EXISTING ELECTRICAL DISCONNECT SWITCH. REPLACE REFRIGERANT LINESET ROUTED TO INDOOR COIL PER EQUIPMENT MANUFACTURER REQUIREMENTS; EXTERIOR INSULATION TO BE SHIELDED FOR UV-PROTECTION; INSTALL WITH LIQUID LINE SOLENOID VALVE, LIQUID LINE FILTER DRIER, AND SIGHT GLASS AT INTERIOR. REPLACE EXISTING CIRCUIT BREAKER IN PANEL (OCPD) TO MATCH NEW EQUIPMENT, USING EXISTING WIRING.

EXISTING WALL MOUNTED THERMOSTAT TO BE REPLACED IN-KIND IN SAME LOCATION. NEW THERMOSTAT(S)

MUST BE COMPATIBLE WITH ASSOCIATED MECHANICAL EQUIPMENT AND COMPLY WITH IMC/IECC

REQUIREMENTS (7-DAY PROGRAMMABLE, ETC.). REUSE EXISTING CONTROL WIRING.

REPLACE EXISTING REFRIGERANT PIPING ROUTING FROM OUTDOOR UNITS TO INDOOR COILS. MATCH ROUTING OF EXISTING AND REUSE EXISTING SUPPORT COMPONENTS. GAS AND LIQUID LINES SIZED PER FINAL SELECTED EQUIPMENT MANUFACTURER. PIPING TO BE FULLY INSULATED AND SHIELDED FOR UV-PROTECTION. REUSE WALL PENETRATION AND SEAL TO BE AIR-, WATER-, AND RODENT-TIGHT.

CU-1A3 CU-2A

FU-1A

FU-2A & FU-3A

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ELECTRIC

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LESTER BUILDING

CURATORIAL

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ELECTRIC

PANELBOARD

METAL BUILDING

LOUVERS, TYPICAL

CURATORIAL BUILDING

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EXISTING EQUIPMENT SCHEDULE:

WP-1: MARVAIR MODPAC II MODEL AVP20ACA-08MO H9B1.

WP-2: MARVAIR MODPAC II MODEL AVP20ACA-08MO H9B1.

*THE CONTRACTOR SHALL BE RESPONSIBLE TO VERIFY ALL PROVIDED INFORMATION IN THE FIELD.

PROPOSED EQUIPMENT SCHEDULE:

WP-1: MARVAIR MODEL MAH1020AA080A, 20 MBH NOMINAL COOLING CAPACITY, 11EER, 8KW ELECTRIC HEAT KIT, 208/230V-1P, 44 MCA, 50A MOCP. NO ECONOMIZER. INCLUDE HARD START KIT. LOW AMBIENT COOLING. R-454B

REFRIGERANT WITH FACTORY REFRIGERANT LEAK DETECTION AND MITIGATION.

WP-2: MARVAIR MODEL MAH1020AA080A, 20 MBH NOMINAL COOLING CAPACITY, 11EER, 8KW ELECTRIC HEAT KIT, 208/230V-1P, 44 MCA, 50A MOCP. NO ECONOMIZER. INCLUDE HARD START KIT. LOW AMBIENT COOLING. R-454B

REFRIGERANT WITH FACTORY REFRIGERANT LEAK DETECTION AND MITIGATION.

*PROPOSED EQUIPMENT IS BASIS OF DESIGN ONLY. APPROVED EQUIVALENTS MEETING SALIENT

CHARACTERISTICS MAY BE PROPOSED WITH NPS APPROVAL.

KEYED NOTED:

EXISTING WALL MOUNTED PACKAGED AIR CONDITIONING UNIT TO BE REPLACED IN-KIND. REUSE EXISTING SYSTEMS ASSOCIATED WITH THIS EQUIPMENT INCLUDING ELECTRICAL CONNECTIONS, LOW-VOLTAGE CONTROL WIRING, ETC. RECONNECT TO EXISTING DISTRIBUTION DUCTWORK AND CONDENSER FAN DUCTWORK; PROVIDE NEW FLEXIBILE CONNECTIONS FOR DUCTWORK AS REQUIRED. CONTRACTOR MUST VERIFY FINAL SELECTED REPLACEMENT EQUIPMENT WILL FIT THE EXISTING LOCATION(S) AND FUNCTION AS

DESIGNED.

EXISTING WALL LOUVER(S) ASSOCIATED WITH THE CONDENSER FAN DUCTWORK TO REMAIN UNCHANGED.

REPLACE EXISTING ANALOG THERMOSTAT WITH NEW DIGITAL VERSION COMPATIBLE WITH NEW HVAC

EQUIPMENT. REUSE EXISTING CONTROL WIRING.

THE BALLY BUILDING INTERIOR IS FULLY OCCUPIED BY NPS STORAGE MATERIALS AND THE MATERIALS WILL NOT BE RELOCATED FOR THE EQUIPMENT REPLACEMENT. CONTRACTOR MUST COORDINATE WORK WITH

LIMITED ACCESS AND SPECIAL OCCUPANCY REQUIREMENTS PER THE SCOPE OF WORK.

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