Existing 400A Circuit Breaker For B Secondary Chill Water Pump. Existing Single 2.5 Conduit. Reuse As Much As Practical

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1 New A Secondary Chill / 60V /36A Fused Disconnect For A Secondary Chill and Flex New B Secondary Chill / 60V / 36A B Secondary Chill Single 2.5 Conduit. Install New Additional 2.5 R.S.G. Conduit From 00A Circuit Breaker To New B Secondary Pump For New Feeder Demo Feeder in Single 2.5 Conduit And Replace With New Feeder Qty. 3 X 3/0 and Installed In Each Of Two Parallel Conduits and Flex New C Secondary Chill / 60V / 36A C Secondary Chill and Flex Reuse As Much As Practical. Refer to Project Specification #CP Rev. A, for additional requirements. 2. All notes apply to all pages. 3. Drawings are not to scale and indicated dimensions are approximate. Drawings are only intended to provide relative locations of pertinent equipment. equipment locations, conduit sizes, and routing are for reference only and may not be exact.. Contractor shall ensure that all work is in accordance with the latest version of the National Electrical Code and all other applicable State and local codes. 5. Contractor shall coordinate all work and power outages with owner. Contractor shall have only one chill water pump out of service at a time unless approved otherwise by owner. 6. Contractor shall be responsible for supplying all materials (junction boxes, pull boxes, flex, etc.) and labor as necessary for a complete installation and functional system whether shown on drawings or not. 7. All materials shall be U.L. Listed / Approved as applicable. 8. All power wiring shall be copper type THHN/THWN installed in rigid galvanized steel conduit. 9. Contractor shall permanently attach plastic engraved equipment identification labels (2 high min. white letters on black background) on all new equipment and on existing circuit breaker / fused disconnects. 0. All equipment shall have labels warning of High Voltage and Arc Flash Danger as required by NEC.. Contractor shall remove and dispose of existing s for East Energy Facility s A, B, and C s. Contractor shall supply and install new replacement ABB Model ACH-550 Enclosed Floor Mounted with integrated E-Clipse Bypass. New s shall having a minimum equipment spacing of.5 on both sides. 2. Contractor shall remove and dispose of existing supply feeders and motor wiring. Contractor shall supply new supply feeders and motor wiring as indicated on drawings. 3. Contractor shall install new 2.5 conduit in parallel with existing 2.5 conduit for supply feeder to new B Secondary.. Contractor shall be responsible for factory authorized start-up and programming of all s. 5. Contractor shall be responsible for maintaining a clean and safe working environment at all times. Contractor shall comply with all work and safety requirements of the University of SC. EAST ENERGY ONE LINE EAST ENERGY FACILITY ELECTRICAL ONE LINE RWR ENGINEERING, LLC Richard (Rick) W. Roof, P.E.

2 Johnson Controls BMS Panel A + -20MA - A A B + -20MA - B B C + -20MA - C C TO JOHNSON CONTROLS BUILDING MANAGEMENT SYSTEM CONTROL / INSTRUMENTATION INTERFACE A Secondary AI +2V DI Start / Stop B+ RS85 Comm. B Secondary AI +2V DI Start / Stop B+ RS85 Comm. A Secondary AI. Refer to Project Specification #CP Rev. A, for additional requirements. 2. Contractor shall be responsible for supplying and installing all conduit and signal wiring required to interface new A, B, and C Secondary Chill s at East and West Energy Facilities with existing Johnson Controls Building Management System. 3. Contractor shall be responsible for programming of all new s and existing Johnson Controls Building Management System for proper operation of secondary chiller water system. All Building Management System control interface and programming shall be performed by an authorized representative of Johnson Controls. All start-up and programming shall be done by a ABB factory authorized representative.. All control / signal interface cables shall be U.L. listed and rated for 600 volts. All set-up parameters shall be stored in keypads after all programming is complete. 5. motor thermal switch wiring on West Energy A, B, and C s shall not be reconnected to new s. motor thermal switch wiring shall be capped and insulated in motor connection housing. motor thermal switch wires shall be identified with a heat shrinkable label for future use. 6. All set-up parameters shall be stored in s keypad after all programming is complete. 7. Contractor shall install heat shrinkable wire labels on both ends of all Building Management System control / signal interface wiring cables. Cables shall be labeled as follows: A-SCWP-Speed B-SCWP-Speed C-SCWP-Speed A-SCWP-Start B-SCWP-Start C-SCWP-Start A-SCWP- RunFbk B-SCWP-RunFbk C-SCWP-RunFbk SCWP-RS85 SCWP-RS85 SCWP-RS85 +2V DI Start / Stop RS85 B+ N2 A- Comm. B+ RS85 Comm. Belden #27326A Typical Daisy Chain Connected RS85, 3 Wire or 2 Twisted Pairs 2 Ga., 600 Volt Belden #27325AS Typical SEE NOTE #5, Typ. EAST &WEST ENERGY FACILITY BLDG. MANAGEMENT SYSTEM INTERFACE DRAWING NO. #CP I

3 Wall High Voltage Switch Gear Approx. 20 Ft. Fused Disc. For A A, B, and C Secondary s To Be Replaced With New ABB Model ACH-550 With E-Clipse Bypass C 3 Conduit C Secondary Pump Transfer Switch 3 Conduit B 3 Conduit MCC 3 C.B. For B In Bottom Of Section 2.5 Conduit Install New 2.5 Conduit In Parallel With 2.5 Conduit Johnson Controls BMS Panel A MCC B Secondary Pump MCC Approx. 6 Ft. Other Equipment In This Area 3 Conduits C.B. For C In Third Section From End A Secondary Pump EAST ENERGY MAIN FLOOR EAST ENERGY FACILITY APPROXIMATE EQUIPMENT LAYOUT 2

4 Single 2 Conduit New A Secondary Chill 50 HP / 60V / 80A 250A A Secondary Single 2.5 Conduit Qty. X /0 Per Phase Qty. X # Ground Pull Box New B Secondary Chill 50 HP / 60V / 80A Fused Disconnect For B Secondary Chill Water Pump. Replace 300A Fuses With 250A KTSR Fuses. Single 2.5 Conduit Qty. X /0 Per Phase Qty. X # Ground Single 2 Conduit New C Secondary Chill 50 HP / 60V / 80A 250A Fused Disconnect For C Secondary Chill Single 2 Conduit Qty. X /0 Per Phase Qty. X # Ground. Contractor shall supply and install 250A KTSR (or equal) fuses in place of existing 300A fuses in supply feeder fused disconnect for B Secondary. 2. Contractor shall install and place into service the new for West Energy C Secondary first before replacing the s for A and B Secondary Pumps. 3. Contractor shall remove and dispose of existing Controllers (, enclosure, control relays, contactors, etc.) for West Energy Facility C. Contractor shall remove and return to owner all power fuses and Power Logic Modules in existing Controller. Contractor shall supply and install new replacement ABB Model ACH- 550 Enclosed Wall Mounted with integrated E-Clipse Bypass for West Energy C Secondary Pump. New shall having a minimum spacing of.5 off of wall.. Contractor shall remove and dispose of existing enclosures, contactors, control relays, etc. for existing West Energy A and B Secondary Chill controllers. Contractor shall remove and return to owner existing ABB s, Power Logic Modules, power fuses, and Lion Model IAMS Signal Isolation modules for West Energy A and B Secondary s. Contractor shall supply and install new replacement ABB Model ACH-550 Enclosed Wall Mounted s with integrated E-Clipse Bypass for West Energy A and B Secondary Pumps.. New s shall having a minimum spacing of.5 off of wall. 5. Contractor shall remove and dispose of existing supply feeders and motor wiring. Contractor shall supply new supply feeders and motor wiring as indicated on drawings. and Flex Qty. X /0 Per Phase Qty. X # Ground Single 2.5 Conduit and Flex Qty. X /0 Per Phase Qty. X # Ground Single 2 Conduit and Flex Reuse As Much As Practical Qty. X /0 Per Phase Qty. X # Ground 50 HP / 60V / 7.5A 50 HP / 60V / 7.5A 50 HP / 60V / 7.5A WEST ENERGY ONE LINE WEST ENERGY FACILITY ELECTRICAL ONE LINE RWR ENGINEERING, LLC Richard (Rick) W. Roof, P.E. 3

5 Stairs Johnson Controls BMS Panel Contractor Shall Disconnect And Demo Johnson Controls Power Logic Communication Panels In This Area That Are No Longer Being Used. 250A Fused Disconnect For C Located In This Panel C Secondary C Secondary Pump 50 HP 3 Conduits Instrumentation Conduit. 2.5 Conduit Electrical Gear In Basement B Secondary B Secondary Pump 50 HP 2 Conduit Floor Mounted A, B, and C s Shall Be Replaced With New Wall Mounted ABB Model ACH-550 s With E-Clipse Bypass. Contractor Shall Mount New s On Back Wall and Pour Sloped Concrete Edges to Concrete Pads. Contractor Shall Extend Concrete Pads to Back Wall. A Secondary Pump 50 HP 2 Conduits Pull Box On Basement Ceiling. Note Contractor Shall Field Verify That Feeders Cross In This Box 250A Circuit Breaker For A Located Upstairs In This Panel 2.5 Conduits Wall. Contractor shall install new s on back wall in approximate location of existing s.. WEST ENERGY BASEMENT Electrical Gear On Main Floor 300A Fused Disconnect For B Located Upstairs In This Panel. Note Fuses Shall Be Changed To 250A. Conduits Stub Up Into Bottom Of Electrical Panels Located On Main Floor WEST ENERGY FACILITY APPROXIMATE EQUIPMENT LAYOUT