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CITY COUNCIL STAFF REPORT
DATE: JUNE 5, 2023 CONSENT CALENDAR
SUBJECT: APPROVAL OF A REQUEST FOR NIGHT CONSTRUCTION START
TIMES BETWEEN JULY 5, 2023 AND AUGUST 25, 2023, FOR
WASTEWATER TREATMENT PLANT DIGESTER NO. 2 GAS FLARE
AND FILTRATE PUMP STATION, CITY PROJECTS NO. 20-25 AND 21-
07
FROM: Scott C. Stiles, City Manager
BY: Engineering Services Department
SUMMARY:
The City has received a request from Steve P. Rados, Inc.(“Contractor”), responsible for
the Wastewater Treatment Plant (WWTP) Digester No. 2 Waste Gas Flare and Filtrate
Pump Station (City Projects No. 20-25 and 21-07) for night construction start time for the
dates between July 5, 2023 and August 25, 2023, for welding of the stainless-steel dome
for the Digester No. 2 at the WWTP. The construction work is proposed to begin at 9:00
p.m. and end at 5:00 a.m. during the proposed dates.
Chapter 8.04.220 of the Palm Springs Municipal Code limits the hours of construction
from 7:00 a.m. to 7:00 p.m. Monday through Friday, unless the construction work
complies with the terms of a written early work permit issued by the Building Official upon
showing of sufficient need due to circumstances of an unusual or compelling nature. In
this case, the Building Official will be approving the night construction request. The
location of Digester No. 2 is under a flight path to Palm Springs Airport. During daytime
construction, the stainless-steel dome would produce a reflective glare that would blind
the incoming arrival planes into Palm Springs Airport. The night construction work would
not produce a glare to the incoming planes. The night construction authorization will be
subject to continuous monitoring of noise complaints and impacts to adjacent properties
and businesses.
RECOMMENDATION:
Approve the requested night construction time of 9:00 p.m. for the dates between July 5,
2023 and August 25, 2023, for the WWTP Digester No. 2 Waste Gas Flare and Filtrate
Pump Station Project, subject to continuous monitoring of noise complaints and impacts
to adjacent properties and businesses.
Item 1P - Page 1
City Council Staff Report
June 5, 2023 -- Page 2
Approval of Night Construction Start Time
BACKGROUND:
On May 17, 2023, the City received a request from the Contractor to do a portion of the
project at night due to issues in carrying out the construction work during the day. A map
of the location of the work is provided in their request, included as Attachment A.
STAFF ANALYSIS:
The WWTP Digester No. Gas Flare and Filtrate Pump Station, City Projects 20-25 and
21-07, is located at the Wastewater Treatment Plant. The portion of the project requested
for night work will take place inside the Wastewater Treatment Plant site. The Contractor
would like to begin work at 9:00 p.m. and anticipates the completion of welding before
5:00 a.m. The primary reason to request the night start time is to complete welding work
on the dome of the digester. Performing this work at night has a safety benefit, in that
work on the stainless-steel surface produces a reflective glare during daylight hours.
Night work would eliminate the glare to incoming planes to Palm Springs Airport.
Permitted construction hours per the Palm Springs Municipal Code 8.04.220 are listed in
the table below:
Permitted Hours of Construction
*Thanksgiving Day, Christmas Day, New Years Day, July 4th, Labor Day and Memorial Day
Certain exceptions to these construction hours are allowed in the Municipal Code,
including exception (2):
(2) Construction work complying with the terms of a written early work permit which
may be issued by the building official upon a showing of sufficient need due to
circumstances of an unusual or compelling nature.
To mitigate the noise associated with the welding, Steve P. Rados, Inc. has agreed to
implement welding shields/screens to prevent light pollution and eliminate use of loud
power tools. Night work will also require temporary outdoor lighting, which may impact
adjacent properties. Furthermore, approval of night start times would be contingent of
Steve P. Rados, Inc. cooperating with City Staff and the community in responding to any
issues. However, with the use of shields and screening, impacts to residential properties
should be minimized.
Item 1P - Page 2
Sundays&
Weekdays Sa1turday Ho!idays*
'17 a.m. t o 7 p.m . 8 a .m . to 5 Not p em1 itted
p .m .
City Council Staff Report
June 5, 2023 -- Page 3
Approval of Night Construction Start Time
ENVIRONMENTAL ASSESSMENT:
In accordance with the California Environmental Quality Act (“CEQA”) Guidelines Section
15302 “Replacement or Reconstruction”, Class 2 projects consist of replacement or
reconstruction of existing structures and facilities where the new structure will be located
on the same site as the structure replaced and will have substantially the same purpose
and capacity as the structure replaced. Therefore, Staff has determined that the City of
Palm Springs Wastewater Treatment Plant Digester No. 2, Gas Flare and Filtrate Pump
Station Improvement Project, City Projects No. 20-25 and 21-07, is considered
categorically exempt from CEQA.
ALIGNMENT WITH STRATEGIC PLANNING:
This item aligns with City Council Priority 2, Community Infrastructure.
FISCAL IMPACT:
None.
REVIEWED BY:
City Engineer: Joel Montalvo
Deputy City Manager: Flinn Fagg
City Manager: Scott Stiles
ATTACHMENTS:
A. Steve P. Rados, Inc. Request Letter
Item 1P - Page 3
Attachment A
Item 1P - Page 4
2002 East McFadden Avenue, Suite 200, Santa Ana, California 92705
Mailing Address: Post Office Box 15128, Santa Ana, California 92735-0128
SPR Job 750 - 009
May 10, 2023
Attention: Mr. Michael Dietrick
Construction Manager
4375 E. Mesquite Ave.
Palm Springs CA 92264
Reference: City of Palm Springs - Contract No. 20-25 AND 21-07
WWTP Digester No.2, Waste Gas Flare, and Filtrate Pump Station Improvements Project
Subject: Request for Summer Night Shifts – Assembly/Welding of SST Digester Cover
Dear Mr. Deitrick,
As has been discussed in our recent Progress Meetings, SPR is proposing to work a secondary crew for night shifts
when welding procedures occur for the digester cover assembly starting in July. The stainless-steel cover parts are
scheduled to arrive in late June.
With the expected high temperatures in the summer, night shifts would allow us to work around the high heat that
will cause the stainless-steel lid to expand in the day time creating greater challenges with fit up and final product in the
day heat. This will also provide cooler and safer working conditions for our welders during the continuous welding
operations. We will implement welding shields/screens to prevent any light pollution to the nearby residents. We will
also eliminate the use of loud power tools and equipment in the night hours by performing this work with the day shifts.
We anticipate the welding operations to be continuous for approximately 5 to 6 weeks. See attached site map with
location of welding operations in proximity to surrounding residents.
Please advise if this is acceptable. If any additional information will help in the decision process, we can surely provide
it. Should you have any questions or concerns, please do not hesitate to contact me (949) 292-0825
Sincerely,
Steve P. Rados, Inc.
Jason Riedel
Project Manager
CC: SA, Job File, CA, JP, TW, JC
STEVE P. RADOS, INC.
ENGINEERING CONTRACTORS
Telephone: (714) 835-4612
Facsimile: (714) 835-2186
Item 1P - Page 5
WWTP Digester No.2, Waste Gas Flare, and Filtrate Pump Station Improvements Project
CoPS CONTRACT NO: 20-25 AND 21-07
CONTRACTOR: Steve P. Rados Inc.
SUBJECT: Letter SPR Job 750 - 009, REQUEST FOR SUMMER NIGHT SHIFT
SITE MAP: NIGHT WELDING OPERATIONS IN PROXIMITY TO CLOSEST RESIDENTS
85'-0"
LIMITS OF WORK AREA FOR
PROPOSED NIGHT WELDING
OPERATIONS 1,024'-3/4"NEAREST RESIDENCE IS
APPROX 296 FEET SHY OF
1/4 MILE AWAY (1,024 FT)
WELDING SHIELD/SCREENS TO
PREVENT LIGHT POLLUTION TO
RESIDENTS
TREES AND WWTP
STRUCTURES ASSIST IN
PROVIDING ADDITIONAL
LIGHT SCREENS
TREE'S
Item 1P - Page 6
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