HomeMy WebLinkAbout2018 Oct 29 - O/M Check for Perc-Rite Drip Disposal System (2) J.M. O'Reilly & Associates, Inc. LETTER OF
Engineering&Land Surveying Services
1573 Main Street,2nd Floor,P.O.Box 1773 TRANSMITTAL
Brewster,MA 02631
(508)896-6601
Fax(508)896-6602
TO: DATE: JOB NUMBER:
Town of Yarmouth 09/23/2019 8435W
Board of Health
1146 Route 28 REGARDING:
South Yarmouth, MA 02664-4492
Locus:46 Doherty Lane,West Yarmouth
Shipping Method:
Regular Mail n Federal Express n SEP 2 5 2019
Certified Mail UPS HEALTH DEPT.
Priority Mail n Pick Up
Express Mail n Hand Deliver n
COPIES DATE DESCRIPTION
1 9/20/19 Routine Operation and Maintenance Checklist for Perc-Rite Drip Dispersal system
For review and comment: For approval: As Requested: For your use: 1
REMARKS:
cc: John M. O'Reilly, P.E., P.L.S.
Matthew Wrobel, E.I.T.
Client
Oakson, Inc.
From: MJW
If enclosures are not as noted,kindly notify us at once
ROUTINE OPERATION AND MAINTENANCE CHECKLIST
FOR
PERC-RITE DRIP DISPERSAL SYSTEM
Address: 46 Doherty Lane,West Yarmouth Date: 9/20/19
Homeowner: Sandra Perkow
Operator: John O'Reilly, P.E., P.L.S. Lic#:17746
Job #: 8435W
HISTORICAL DATA and CURRENT READINGS
Previous flow meter reading: 161,498 Design flow: 44OGPD Date of last visit: 9/10/18
Current flow meter reading: 189,841 Calculated water usage: 76 GPO
Start-up dose rate Current dose rate
ZONE 1: 2.44 GPM 2.4 GPM
ZONE 2:
ZONE 3:
ZONE 4:
FIELD CONDITIONS
A. Drip dispersal field: visible wet spots YES❑ NO D
Comments:
B. Air release valves: erosion YES❑ NOD
leakage/spraying YES❑ NO 11
Comments:
PUMP CHAMBER/FLOAT OPERATION
A. Floats match pin lights in control panel YESD NO❑
Comments:
B. Alarm float working YESD NOD
Comments:
C. Solids or scum present YESD NOD
Comments: minor levels of scum present within pump chamber
CONTROL PANEL
A. Switches in AUTO position YESD NOD
Comments:
•
B. Peak Level light on YESD NOD
Comments:
C. Power and Run lights on (microprocessor) YES❑✓ NOD
Comments:
PUMP and VALVE OPERATION
A. Pump in HAND position: flow meter running YES❑✓ NOD
Comments:
B. Zones 1-4 (one at a time): flow meter running YES Q✓ NOD
dose rate correct YES ElNO❑
flush rate > dose rate YES❑✓ NOD
Comments:
C. Disc filter back flushing: working properly YES ✓❑ NOD
Comments:
D. Disc filter inspection: excessive residue YES❑ No
cleaning required YES ✓❑ No
Comments: disc filters cleaned
E. Switches returned to AUTO position YES ✓❑ NO❑
Comments:
F. RESET/CYCLE START: functioning properly YES NO 0
Comments:
G. Hydraulic Unit: leaks, crimps, or other issues YES❑ NO❑✓
Comments:
SEPTIC and/or PRE-TREATMENT TANKS
*did not inspect,covers not to grade
A. Examine and clean effluent filter: excessive residue YES El NO❑
Comments:
B. Septic tank pumping recommended YES 0 NO ❑
1. Sludge depth:
2. Scum depth:
Comments:
C. Service pre-treatment system YES❑ NOD
Comments: N/A
Operator signature -` License No. 17746
Comments/Observations:
System is functioning properly at this time.