Project: SEWPCC Ventilation Upgrades. Table of Contents
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2 Table of Contents 1.0 Overview Associated s of Work PLC Communications Groups and Priorities Removals Wet Well Venitlation Upgrades Wet Well Ventilation State Controller G61-FC Wet Well Upper Level Supply G601-SF Flow Transmitter G601-FT Glycol Pump G603-GP Temperature Valve G603-TV Glycol Pump G605-GP Temperature Valve G605-TV Wet Well Exhaust Fan G687-EF Wet Well Pressure Controller G608-PC Wet Well Lower Level Supply G602-SF Flow Transmitter G602-FT Wet Well Exhaust Fan G686-EF Miscellaneous LCP-G1 Monitoring Electrical Room and Blower Room Electrical Room AHU, G682-AHU G682-AHU Return Air Temperature Controller G682-TC G682-AHU Discharge Air Temperature Controller G682-TC G682-AHU Heating Valve G682-TV G682-AHU Cooling Valve G682-TV Mixed Air Dampers G682-FV-1, G682-FV Pressure Controller G682-PC Relief Air Damper G682-PV Grit Electrical Room Temperature, G692-TT Grit Electrical Room Exhaust Fan, G692-EF LCP-G2 Monitoring doc 2 / 25
3 5.0 Boiler Room Boiler Room Flood Pump, B580-SMP doc 3 / 25
4 1.0 OVERVIEW This document is intended to provide a description of the functionality modifications for the SEWPCC Ventilation Upgrades. It is written from a technical perspective, and is intended to be read along with the associated Process & Instrument Diagram (P&ID) drawings and the Instrument Loop Drawings. The new ventilation systems within the scope of this project are controlled by local PLCs and a local touchscreen HMI. The primary facility will be integrated with the PLC systems via a Modbus TCP interface, however only general alarms and basic status information will be transmitted to the. The will not have any control capability for these ventilation systems. 1.1 Associated s The Process and Instrument Diagrams that are associated with the included work, are listed below. Additional P&ID drawings may be referenced in this document. Drawing Number B-A G-A G-A G-A G-A G-A96 Miscellaneous Electrical Room and Boiler Room Cooling Units, G682-AHU Wet Well Ventilation Wet Well Upper Level HVAC, G601-SF Wet Well Supply and Exhaust Fans G602-SF, G686-EF & G687-EF Electrical Room Exhaust Fan, G692-EF Note: The P&ID drawings for the facility were originally issued in the following numbering format: x-G-Ayyyy The drawing number format has been subsequently modified to remove the document type identifier. All drawings referenced in this document utilize the new drawing number format, as shown below: x-Ayyyy The PLC/Touchscreen HMI functional requirements are identified in a separate document, identified as ER of Work Wet Well Ventilation The existing G686-EF and G687-EF exhaust fans are being replaced with new PLC-controlled fans, where G687- EF is powered by a VFD for speed control. In addition, new supply fans G601-SF and G602-SF, both powered from a VFD, are utilized to supply air into the wet well. The control system for the wet well ventilation is described on the P&IDs and in the Functional Requirement Specification for the Ventilation Upgrades. The will simply monitor the significant data points. No control from the will be required..doc 4 / 25
5 1.2.2 Grit Electrical and Blower Room Ventilation The existing G682-AHU is being retrofit with PLC based controls. In addition, a new heating coil is being installed to allow for more outdoor air to be provided to the space in cold weather operating conditions. The existing and pneumatic controls will be removed, and replaced with PC-based controls. The will simply monitor and significant data points. No control from the will be required Boiler Room Sump A new sump is being installed in the Boiler Room, which is a localized low area of the plant. The purpose of the sump is to provide sump pump redundancy, as well as flood pumping capability in the event of a Boiler Room flood. The pump will be powered by the local MCC-2B, however it will be controlled by the Grit PCU. Control is not from the local Boiler Room PCU, or nearby Primary Clarifier PCU, as they are at a similar elevation to the sump, and would be susceptible to damage in the event of a flood. Monitoring and control are provided by the. 1.3 PLC Communications Modbus TCP communications for the ventilation PLCs will connect into existing Ethernet networks within the plant. The PLCs will provide a contiguous register map for use by the. Map addresses are to be provided by the Subcontractor performing the PLC programming. The HPG8 incorporates functionality to detect Modbus communication failures between it and each slave device. control logic will need to be created that produces alarms in the event of a communication failure to any slave device. 1.4 Groups and Priorities s are configured with a group and priority to facilitate filtering alarms by area and severity. Group Area 1 M 2 G 3 P 4 R 5 S and Z 6 B 7 Callout to NEWPCC Priority Severity 0 Default 1 Major 2 Minor.doc 5 / 25
6 2.0 REMOVALS Remove all I/O, logic, and graphics associated with the following I/O points: Type Cab. Row TB Pt SAG682MM DI 16 4A1 N/A 1B G682-AHU RUNNING SAG682QF DI 16 4A1 N/A 2B G682-AHU FAULT SAG682TC AO 15 9C G682-AHU SETPOINT OVERRIDE SAG686MM DI 16 3A1 N/A 5B G686-AHU RUNNING SAG686QF DI 16 3A1 N/A 4B G686-AHU FAULT SAG687MM DI 16 4A1 N/A 6B G687-AHU RUNNING SAG687QF DI 16 4A1 N/A 5B G687-AHU FAULT.doc 6 / 25
7 3.0 WET WELL VENITLATION UPGRADES Add the following to the new Wet Well Ventilation graphic. Utilize the existing graphic standards. 3.1 Wet Well Ventilation State Controller G61-FC P&ID Drawing: N/A PLC: PLC-G MODBUS Read Map G61_FC_State 1 Wet Well Ventilation State 0-3 States: 0 Off 1 Low 2 High 3 Emergency s None.doc 7 / 25
8 3.2 Wet Well Upper Level Supply G601-SF P&ID Drawing: G-A94 PLC: PLC-G MODBUS Read Map G601-MM 1 G601-SF Running Stopped Running G601-SF_Alm 1 G601-SF Wet Well Supply Fan Normal G601-SI 1 G601-SF Speed 0 1% s G601-SF_Alm G601-SF Wet Well Supply Fan 2 0 Auto.doc 8 / 25
9 3.3 Flow Transmitter G601-FT P&ID Drawing: G-A94 PLC: PLC-G MODBUS Read Map G601-FT_Alm 1 G601-SF Flow Transmitter Normal G601-FI 1 G601-SF Airflow (ACH) ACH s G601-FT_Alm G601-SF Flow Transmitter 2 0 Auto 3.4 Glycol Pump G603-GP P&ID Drawing: G-A94 PLC: PLC-G MODBUS Read Map G603-MM 1 G603-GP Running Stopped Running G603-GP_Alm 1 G603-GP Glycol Pump Normal s G603-GP_Alm G603-GP Glycol Pump 2 0 Auto.doc 9 / 25
10 3.5 Flushing Water Control Valve G603-TV P&ID Drawing: G-A94 PLC: PLC-G MODBUS Read Map G603-TV_Alm 1 G603-TV Flushing Water Control Valve Normal G603-TC 1 G603-TV Position Output 0 1% s G603-TV_Alm G603-TV Flushing Water Control Valve 2 0 Auto 3.6 Glycol Pump G605-GP P&ID Drawing: G-A94 PLC: PLC-G MODBUS Read Map G605-MM 1 G605-GP Running Stopped Running G605-GP_Alm 1 G605-GP Normal s G605-GP_Alm G605-GP 2 0 Auto.doc 10 / 25
11 3.7 Hot Water Control Valve G605-TV P&ID Drawing: G-A94 PLC: PLC-G MODBUS Read Map G605-TV_Alm 1 G605-TV Hot Water Control Valve Normal G605-TC 1 G605-TV Position Output 0 1% s G605-TV_Alm G605-TV Hot Water Control Valve 2 0 Auto 3.8 Wet Well Exhaust Fan G687-EF P&ID Drawing: G-A95 PLC: PLC-G MODBUS Read Map G687-MM 1 G687-EF Running Stopped Running G687-EF_Alm 1 G687-EF Wet Well Exhaust Fan Normal G687-SI 1 G687-EF Speed 0 1% s G687-EF_Alm G687-EF Wet Well Exhaust Fan 2 0 Auto.doc 11 / 25
12 3.9 Wet Well Pressure Controller G608-PC P&ID Drawing: G-A93 PLC: PLC-G MODBUS Read Map G608-PC_Alm 1 G608-PC Wet Well Differential Pressure Normal G608-PDT 1 Wet Well Differential Pressure Pa s G608-PC_Alm G608-PC Wet Well Differential Pressure 2 0 Auto.doc 12 / 25
13 3.10 Wet Well Lower Level Supply G602-SF P&ID Drawing: G-A95 PLC: PLC-G MODBUS Read Map G602-MM 1 G602-SF Running Stopped Running G602-SF_Alm 1 G602-SF Wet Well Supply Fan Normal G602-SI 1 G602-SF Wet Well Supply Fan Speed 0 1% s G602-SF_Alm G602-SF Wet Well Supply Fan 2 0 Auto.doc 13 / 25
14 3.11 Flow Transmitter G602-FT P&ID Drawing: G-A95 PLC: PLC-G MODBUS Read Map G602-FT_Alm 1 G602-SF Flow Transmitter Normal G602-FI 1 G602-SF Airflow (ACH) ACH s G602-FT_Alm G602-SF Flow Transmitter 2 0 Auto 3.12 Wet Well Exhaust Fan G686-EF P&ID Drawing: G-A95 PLC: PLC-G MODBUS Read Map G686-MM 1 G686-EF Running Stopped Running G686-EF_Alm 1 G686-EF Wet Well Exhaust Fan Normal s G686-EF_Alm G686-EF Wet Well Exhaust Fan 2 0 Auto.doc 14 / 25
15 3.13 Miscellaneous P&ID Drawing: G-A93 PLC: PLC-G MODBUS Read Map G606-KQA 1 Wet Well Occupied for > 8 hours Normal s G686-KQA Wet Well Occupied for > 8 hours 2 0 Auto.doc 15 / 25
16 3.14 LCP-G1 Monitoring P&ID Drawing: N/A PLC: PLC-G MODBUS Read Map G901_EA_1 1 LCP-G1 PS01 Power Supply Fail Normal G901_EA_2 1 LCP-G1 PS02 Power Supply Fail Normal G901_Heartbeat 1 PLC-G10 Heartbeat s G901_EA_1 LCP-G1 PS01 Power Supply Fail 2 0 Auto G901_EA_2 LCP-G1 PS02 Power Supply Fail 2 0 Auto G901_HeartbeatFail = G901_Heartbeat does not change for 30 seconds PLC-G10 Heartbeat Fail 7 1 Auto.doc 16 / 25
17 4.0 ELECTRICAL ROOM AND BLOWER ROOM P&ID Drawing: G-A26 PLC: PLC-G11 Add the following to the new Electrical and Blower Room Ventilation graphic. Utilize the existing graphic standards. 4.1 Electrical Room AHU, G682-AHU MODBUS Read Map G682-MM 1 G682-AHU Running Stopped Running G682-AHU_Alm 1 G682-AHU Electrical Room AHU Normal s G682-AHU_Alm G682-AHU Electrical Room AHU 2 0 Auto 4.2 G682-AHU Return Air Temperature Controller G682-TC MODBUS Read Map G682-TT-3_Alm 1 G682-AHU Return Air Temperature Normal G682-TT-3 1 G682-AHU Return Air Temperature 0-50 C s G682-TT-3_Alm G682-TT-3 Return Air Temperature 2 0 Auto.doc 17 / 25
18 4.3 G682-AHU Discharge Air Temperature Controller G682-TC MODBUS Read Map G682-TT-2_Alm 1 G682-AHU Supply Air Temperature Normal G682-TT-2 1 G682-AHU Supply Air Temperature C s G682-TT-2_Alm G682-TT-2 Supply Air Temperature 2 0 Auto 4.4 G682-AHU Heating Valve G682-TV-1 No requirements 4.5 G682-AHU Cooling Valve G682-TV-2 No requirements.doc 18 / 25
19 4.6 Mixed Air Dampers G682-FV-1, G682-FV MODBUS Read Map G682-FV-1_Alm 1 G682-AHU Intake Damper Normal G682-FV-2_Alm 1 G682-AHU Return Air Damper Normal G682-ZT-1 1 G682-AHU Intake Air Damper Position Feedback 0 1% G682-ZT-2 1 G682-AHU Return Air Damper Position Feedback 0 1% s G682-FV-1_Alm G682-AHU Intake Damper 2 0 Auto G682-FV-2_Alm G682-AHU Return Air Damper 2 0 Auto.doc 19 / 25
20 4.7 Pressure Controller G682-PC MODBUS Read Map G682-PC_Alm 1 Grit Electrical Room Pressure Normal G682-PDT 1 Grit Electrical Room Differential Pressure -1 1 Pa s G682-PC_Alm Grit Electrical Room Pressure 2 0 Auto 4.8 Relief Air Damper G682-PV MODBUS Read Map G682-PV-3_Alm 1 G682-AHU Relief Air Damper Normal G682-ZT-3 1 G682-AHU Relief Air Damper Position Feedback 0 1% Open s G682-PV-3_Alm G682-AHU Relief Air Damper 2 0 Auto.doc 20 / 25
21 4.9 Grit Electrical Room Temperature, G692-TT PID Drawing: G-A96 PLC: PLC-G MODBUS Read Map G692-TT_Alm 1 Grit Electrical Room Temperature Normal G692-TT s 1 Grit Electrical Room Temperature VFD Area 0 50 C G692-TT_Alm Grit Electrical Room Temperature 2 0 Auto.doc 21 / 25
22 4.10 Grit Electrical Room Exhaust Fan, G692-EF PID Drawing: G-A96 PLC: PLC-G MODBUS Read Map G692-MM 1 G692-EF Running Stopped Running G692-EF_Alm 1 G692-EF Grit Electrical Room Exhaust Fan s Normal G692-EF_Alm G692-EF Grit Electrical Room Exhaust Fan 2 0 Auto.doc 22 / 25
23 4.11 LCP-G2 Monitoring P&ID Drawing: N/A PLC: PLC-G MODBUS Read Map G902_EA_1 1 LCP-G2 PS01 Power Supply Fail Normal G902_EA_2 1 LCP-G2 PS02 Power Supply Fail Normal G902_Heartbeat 1 PLC-G11 Heartbeat s G902_EA_1 LCP-G2 PS01 Power Supply Fail 2 0 Auto G902_EA_2 LCP-G2 PS02 Power Supply Fail 2 0 Auto G902_HeartbeatFail = G902_Heartbeat does not change for 30 seconds PLC-G11 Heartbeat Fail 7 1 Auto.doc 23 / 25
24 5.0 BOILER ROOM Implementation: 5.1 Boiler Room Flood Pump, B580-SMP B580-SMP is a flood pump which protects against a Boiler Room flood. P&ID Drawings: B-A24 Loop Drawing: B-A New I/O Type Cab. Row Pt SAB580YS DI 16 1B1 1A B580-SMP Auto Mode Not Auto Auto SAB580MM DI 16 1B1 2A B580-SMP Running Stopped Running SAB580UL DI 16 1B1 3A B580-SMP Ready Not Ready Ready SAB580MN DO 16 2C 5B B580-SMP Run Command Stop Run Type Cab. Row TB Pt SAB580LT AI 16 9D 3 5,6 Boiler Room Flood Level 0-2 m Control Narrative Coordinate X1 start and X2 stop setpoints with Mechanical Subtrade. Ensure pump setpoints prevent unnecessary pump cycling, and prevent the pump from running dry. It is proposed at this time that the X1 setpoint is m. When B580-SMP is in auto-mode, the pump will start based on the data received from the level transmitter B580- LT. Once the water level in the boiler room flood sump goes above X1 m for > 0.5 sec, the pump will run. Conversely, once the water level goes below X2 m, the pump will stop. IF (B580-YS == 1) // Auto Mode IF ( B580-LT > X1 m for 0.5 sec) Set B580-MN =1 IF (B580-LT < X2 m) Set B580-MN=0 Else // Manual Mode, no longer controls the pump Set B580-MN=0.doc 24 / 25
25 5.1.2 HMI Modifications Create a new graphic for B580-SMP. Include animation for SAB579LA s Logic Group Pri Reset SAB580UA B580-SMP Not Ready B580-UL == Auto SAB580MA B580-SMP Run Fault B580-YS AND ((B580-MM = 0 AND B580-MN = 1) for > 1 sec OR (B580-MN=0 AND B580 MM=1) for > 1 sec) 6 0 Auto SAB580LH Boiler Room Sump High Level B580-LT > m 7 1 Auto SAB580LHH Boiler Room Flood B580-LT > m 7 1 Auto.doc 25 / 25
Project: SEWPCC Ventilation Upgrades
Table of Contents 1.0 Overview... 3 1.1 Associated s... 3 2.0 General Requirements... 4 2.1 Human Machine Interface... 4 2.2 HMI Animation Plan... 5 2.3 Equipment and System General Requirements... 11
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