SC Minutes

Meeting date: 
Tuesday, May 9, 2023

 

Burrillville Sewer Commission

Regular Meeting of May 9, 2023

Board Room of the BWWTF

 

 

Members Present:  William Andrews – Chairman

                                       Richard Nolan – Vice Chairman

                                       Gary Rouleau – Commission Member

                                       Daniel Joubert – Commission Member

 

 

Also Present:  Timothy Kane – Attorney for the Commission

                            James Dyment – Consulting Engineer

                            Michael Emond – Superintendent

                            Jacqueline Batalon – Financial Aide

 

 

Agenda Item – The question of accepting the Minutes of the Regular Meeting of April 11, 2023 and the question of dispensing with the reading of said Minutes.

Voted – Mr. Joubert made a motion to accept the Minutes of the Regular Meeting of April 11, 2023 and to dispense with the reading of said Minutes. The motion was seconded by Mr. Nolan. All in favor, so voted.

 

 

Public Comment – None

 

 

Correspondence – None

 

 

New Business – None

 

 

Old Business:  Presentation of Superintendent’s Updated Budget Proposal

Budget Summary Memo

2022 Annual Rhode Island Residential Sewer User Charge Survey

 

Mr. Emond gave a brief overview of the proposed budget.

Voted – Mr. Andrews made a motion to accept the budget for presentation at the public hearings. The motion was seconded by Mr. Nolan. All in favor, so voted.

 

 

 

Invoices – None

 

 

Engineer’s Report:  RIIB (Account CW # - BURR-CW-FY22)

                                       RI Infrastructure Bank – Pay Request #15 in the amount of $6,554.50

                                       Exhibit A – Project Payment Requisition Form

                                       Exhibit F – Wage Rate Requirement Certification Form

                                       Exhibit G – Certification Regarding Debarment, Suspension and Other Responsibility                                                              Matters

                                       Exhibit H – American Iron and Steel Certification

 

Voted – Mr. Rouleau made a motion to authorize the Chairman to sign and pay RI Infrastructure Bank Pay Request #15 in the amount of $6,554.50, including Exhibits A, F, G and H. The motion was seconded by Mr. Nolan. All in favor, so voted.

 

                                       Revised SRF Program Certificate of Approval Review Checklist

                                       Revised Certificate of Procurement

                                       Headworks and Oakland Order of Approval

 

                                       RAS Pump Procurement

 

                                       Bid Advertisement

               

                                       Copper Discussion

 

Mr. Dyment stated that he received the order of approval for the Headworks and Oakland Pump Station, which includes the revised SRF Program Certificate of Approval Review Checklist. The Certificate of Procurement ensures that proper procedure is followed. Mr. Dyment and Mr. Emond sent emails to vendors for the RAS Pump Procurement. Mr. Dyment stated that the bid should be advertised five (5) to six (6) weeks ahead of time. He will also personally reach out to known bidders. Mr. Dyment stated that Bill Richtarik is currently working on the PAC Copper results.

 

Voted – Mr. Nolan made a motion to accept the Engineer’s Report. The motion was seconded by Mr. Joubert. All in favor, so voted.

 

 

Attorney’s Report:

Mr. Kane stated that this month he worked on a personnel policy, the BETA contract and a letter to the owners of a property on Spring Lake Rd regarding sewer use billing.

Voted – Mr. Nolan made a motion to accept the Attorney’s Report. The motion was seconded by Mr. Rouleau. All in favor, so voted.

 

 

Superintendent’s Report:

Report for the month of April, 2023

 

 

1.            WWTF OPERATIONS

 

Influent to Treatment Facility – MGD

Average Daily Flow                                                          =             0.8789

Maximum Daily Flow                                                      =             1.1840                   on           30-Apr

Minimum Daily Flow                                                       =             0.7400                   on           22-Apr

 

                                                                                                                Percent                                Average

                                                                                                                Removal                              Concentration  

Biochemical Oxygen Demand

EPA / DEM Permit Requirement                                =             85.0% min                           30.0 mg/L

April achieved                                                                   =             98.9%                                    2.3 mg/L

 

Total Suspended Solids

EPA / DEM Permit Requirement                                =             85.0%                                    30.0 mg/L

April achieved                                                                   =             98.8%                                    2.8 mg/L

 

Total Phosphorus

EPA / DEM Permit Requirement                                =             N/A                                        0.1 mg/L

April achieved                                                                   =             99.4%                                    0.03 mg/L

 

Total Ammonia                                                

EPA / DEM Permit Requirement                                =             N/A                                        20.0 mg/L

April achieved                                                                   =             49.5%                                    11.1 mg/L

 

Total Copper

EPA / DEM Permit Requirement                                =             N/A                                        8.0 ug/L

April achieved                                                                   =             97.4%                                    *4.4 ug/L

 

Disposed Sludge

Dry Tons Disposed of                                                      =             35.1

Number of Loads Removed                                         =             29

Average Dry Tons / Load                                               =             1.21

 

*The copper results for the last week of April have not been reported by the contract lab at the time this report was submitted.

 

Permit Excursions

There were no permit excursions to report for April 2022.

 

The most recent permit excursions were two permit excursions reported in the month of October 2022, both for daily maximum Copper. The first excursion was on October 6th and the second on October 13th with the results reported as 16.1 ug/L and 11.4 ug/L respectively. The daily maximum Copper limit is 10.6 ug/L

 

Callout Alarms

There were three (3) callout alarms at the wastewater treatment facility for April 2022.

 

4/1/23 – Phos System Alarm – Phosphorus removal system influent wet well level transducer malfunction. Wet well reading high at 9.5 feet, causing all three influent pumps to run at 100%, which emptied wet well. Transducer controller was reset and level was again reading correctly.

 

4/8/23 – High Blended Sludge Tank – Mixer started and caused High Blended alarm. Purged Blended Tank #1. Level went down to 8.48 feet. System returned to normal.

 

4/12/23 – Transfer Switch Failure – Power bump caused primary clarifier rake arms to trip. Reset all electrical.

 

2.            COLLECTION SYSTEM OPERATIONS

 

There were six (6) after hour collection systems call-in responses for the month of April 2022. Find the call-in table below:

Date

Location

Nature of Call / Alarm Condition

Issue Found

4/1/23

Beach Road ES

High Wet Well

Rags. Back-flushed pots, cleaned probe and pumped down wet well.

4/5/23

Eagle Peak PS

High Wet Well – Critical

Pump #1 and Pump #2 found OFF. Pump #2 failed. Reset Pump #2, but needs to be lifted and inspected for clog.

4/12/23

Eagle Peak PS and School Street PS

Power Failure

Power bump. Reset pumps and cleared alarms.

4/18/23

Eagle Peak PS

Pump #2 Failure

Cleared alarm, reset Pump #2. Set pump rotation to #1 Lead, #2 Lag.

4/22/23

Oakland PS

High Wet Well

Pump #1 clogged. Pump #2 could not keep up. Pulled Pump #1 and cleaned out rags. Changed rotation to Pump #2 Lead and Pump #1 Lag.

4/23/23

Beach Road ES

High Wet Well

Clogged with rags. Back-flushed and pumped down wet well.

 

3.            OTHER ACTIVITIES & CURRENT ISSUES

 

4/11/23 – Eagle Peak Pump Station Pump #2 had failed. Joe D’Agostino of Apple Valley Alarms and crew switched out Pump #2 with recently rebuilt pump (formerly Pump #1). Level transducer works, but needs to be replaced. Crew brought old pump to plant.

4/12/23 – Interviewed by Matt Bizer of RIDEM regarding Resiliency from 11am-1pm. RIDEM inspector Jack Segal accompanied him.

 

4/13/23 – New Siemens level transducer comtroller for the Phosphorus Removal System influent wet well was replaced as it was determined the unit was faulty from the issues experienced on 4/1/23.

 

4/13/23 – Results for the Q3 Bioassay received from Phoenix Lab. Both the Acute and Chronic portions of the tests PASSED.

 

4/14/23 – Veolia pumped out three pump station wet wells, primary scum well and grit discharge channel of rags and grease. Decanted water at head works and disposed material at RIRRC landfill.

 

4.            PERMIT LIMIT REPORT

 

Refer to following pages imported from plant data management system.

 

Permit Limit Report                                                                                                                                                           Page 1

Burrillville WWTF                                                                                                                                                      April, 2023

Burrillville Sewer Commission                                                                                                         Print Date:  4/1/2023

 

Limit Summary:  (**designates values exceeding limit)

                1 value exceeding limit.                                                                                                                                                

Location/Parameter                                                                                       Units                     Limit                         Actual

INFLUENT – INFLUENT

Flow Mgd – Flow Rate

                         Average                                                                                     MGD                     1.5                            0.8789

                         Minimum,  4/22/2023                                                           MGD                                                       0.7400

                         Maximum                                                                                 MGD                                                       1.1840

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Bod 5 – Bod 5 Day

                         Average                                                                                     MG/L                    30                                   2.3

                         Max Weekly Avg (Wed Rule)                                             MG/L                    45                                   3.4

                         Maximum,  4/16/2023                                                          MG/L                    50                                   7.2

EFFLUENT BOD – EFFLUENT BOD

Loadings – Loadings in Pounds

                         Average                                                                                     LB/Day                  375.3                           16.5

                         Maximum,  4/16/2023                                                          LB/Day                  625.5                           46.8

RAW INFLUENT – RAW INFLUENT COMPOSITE

Bod 5 – Bod 5 Day

                        Average                                                                                      MG/L                                                           207

                        Maximum,  4/25/2023                                                           MG/L                                                           289

INFLUENT BOD – INFLUENT BOD

Loadings – Loadings in Pounds

                        Average                                                                                      LB/Day                                                    1513.0

                        Maximum,  4/25/2023                                                           LB/Day                                                    2306.6

EFFLUENT BOD – EFFLUENT BOD

Percent Removal – Percent Removal

                        Average (Lower Limit)                                                                    %                  85.0                              98.9

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Solids TSS – Total Suspended Solids

                        Average                                                                                      MG/L                        30                               2.8

                        Avg Weekly Avg (Wed Rule)                                                MG/L                        45                               2.7

                        Maximum                                                                                  MG/L                        50                               6.0

EFFLUENT TSS – EFFLUENT TSS

Loadings – Loadings in Pounds

                        Average                                                                                      LB/Day              375.3                              20.8

                        Maximum                                                                                  LB/Day              625.5                              59.2

RAW INFLUENT – RAW INFLUENT COMPOSITE

Solids TSS – Total Suspended Solids

                        Average                                                                                      MG/L                                                        261.8

                        Maximum,  4/23/2023                                                           MG/L                                                        480.0

INFLUENT TSS – INFLUENT TSS

Loadings – Loadings in Pounds

                        Average                                                                                      LB/Day                                                    1968.3

                        Maximum,  4/23/2023                                                           LB/Day                                                    3711.0

EFFLUENT TSS – EFFLUENT TSS

Percent Removal – Percent Removal

                        Average (Lower Limit)                                                                     %                   85.0                           98.8

EFFLUENT GRAB – FINAL EFFLUENT GRAB

Solids Settlbl – Settleable Solids

                        Maximum,  4/1/2023                                                             ML/L                                                              0.0

EFFLUENT GRAB – FINAL EFFLUENT GRAB

Enterococci – Enterococci

                        Average                                                                                      #/100 ML                   54                             6.6

                        Maximum,  4/29/2023                                                           #/100 ML                  175                         38.4

EFFLUENT GRAB – FINAL EFFLUENT GRAB

TRC – TRC Daily Average

                        Average                                                                                      UG/L                            22

                        Maximum                                                     4                          UG/L                            39

 

Permit Limit Report                                                                                                                                                           Page 2

Burrillville WWTF                                                                                                                                                      April, 2023

Burrillville Sewer Commission                                                                                                         Print Date:  4/1/2023

 

                                                                                                                                                                                                               

Location/Parameter                                                                                       Units                     Limit                         Actual

EFFLUENT GRAB – FINAL EFFLUENT GRAB

pH1 – pH1

                        Effluent Minimum pH                                                               S.U.                        6.0                            6.23

                        Effluent Maximum pH                                                              S.U.                        9.0                            7.22

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Phosphorus – Phosphorus Total

                        Average                                                                                      MG/L                       1.0                            0.03

                        Maximum,  4/20/2023                                                           MG/L                                                         0.06

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Ortho Phosphat – Orthophosphate Total

                        Average                                                                                      MG/L                                                         0.00

                        Maximum, 4/6/2023                                                              MG/L                                                         0.00

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

TKN – Total Kjeldahl Nitrogen

                        Average                                                                                      MG/L                                                         10.7

                        Maximum,  4/6/2023                                                             MG/L                                                         11.6

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Nitrate – Nitrate Nitrogen Total

                        Average                                                                                      MG/L                                                         3.69

                        Maximum,  4/20/2023                                                           MG/L                                                         4.43

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Nitrite – Nitrite Nitrogen Total

                        Average                                                                                      MG/L                                                         0.15

                        Maximum,  4/20/2023                                                           MG/L                                                         0.20

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Nitrogen – Nitrogen Total

                        Average                                                                                      MG/L                                                       10.97

                        Maximum,  4/20/2023                                                           MG/L                                                       15.33

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Ammonia – NAmmonia Total

                        Average                                                                                      MG/L                      20.0                          11.1

                        Maximum,  4/6/2023                                                             MG/L                       103                           12.9

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Copper – Copper Total

                        Average                                                                                      UG/L                          8.0                           4.4

                        Maximum,  4/20/2023                                                           UG/L                         10.6                          5.1

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Lead – Lead Total

                        Average                                                                                      UG/L                           1.1                        <0.5

                        Maximum,  4/6/2023                                                             UG/L                          27.5                       <0.5

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Zinc – Zinc Total

                        Average                                                                                      UG/L                           68.3                      17.7

                        Maximum,  4/20/2023                                                           UG/L                           68.3                      19.0

FINAL EFFLUENT – FINAL EFFLUENT COMPOSITE

Iron – Iron Total

                       Maximum                                                                                    UG/L

 

Mr. Emond gave a brief summary of the Superintendent’s Report.

Voted – Mr. Rouleau made a motion to accept the Superintendent’s Report. The motion was seconded by Mr. Joubert. All in favor, so voted.

 

 

Sewer Use/Sewer Assessment Write-Offs – None

 

 

Adjournment – Mr. Nolan made a motion to adjourn the Meeting. The motion was seconded by Mr. Joubert. All in favor, so voted.

 

 

Respectfully Submitted,

 

 

Jacqueline Batalon

Financial Aide

 

 

 

 

 

I have read the Minutes of the previous pages and hereby ratify the same.

 

 

 

___________________________    __________________________    __________________________

William Andrews                                   Richard Nolan                                      Gary Rouleau

Chairman                                                  Vice Chairman                                     Commission Member

 

 

 

____________________________

Daniel Joubert

Commission Member