HomeMy WebLinkAboutR2017-076 2017-07-10DARRIN M. COKER
CITY ATTORNEY
RESOLUTION NO. R2017-76
A Resolution of the City Council of the City of Pearland, Texas,
amending a unit supply contract for HVAC repair and maintenance
services (City Facilities, excluding Recreation and Natatorium) to Raven
Mechanical, LP, in the total estimated amount of $125,000.00 for the
period of August 13, 2016 through August 12, 2017.
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF PEARLAND, TEXAS:
Section 1. That the City previously awarded a unit supply contract for HVAC
repair and maintenance services.
Section 2. That the City Council hereby amends a unit supply contract with Raven
Mechanical, LP, in the estimated amount of $125,000.00.
Section 3. The City Manager or his designee is hereby authorized to execute an
amended contract for HVAC repair and maintenance services.
PASSED, APPROVED and ADOPTED this the 10th day of July, A.D., 2017.
,Th)//Yvl
TOM REID
MAYOR
ATTEST:
APPROVED AS TO FORM:
Resolution No. R2017-76
Exhibit "A"
Bid No. 0616-42
Title HVAC Refrigeration Repairs and Maintenance
Specification Responses
Raven Mechanical, Lp Company
American Mechanical
The Lee Thompson K.R. Allen Industrial Services of Houston,
LLC
Services, LLC
Comfort Systems USA
Line Description UOM QTY
Unit
Extended
Unit
Extended
Unit
Extended
Unit
Extended
Unit
Extended
Unit
Extended
1
HVAC Services for all locations
excluding the Recreation
Center and Natatorium location.
Note: any quantities listed are
estimates.
PKG
1
$34,588.12
$34,588.12
$38,517.00
$38,517.00
$39,119.25
$39,119.25
$40,275.00
$40,275.00
$41,725.00
$41,725.00
$47,391.75
$47,391.75
1.1
Technician - Standard Hourly
Rate
Hours
300
$72.50
$88.00
$80.25
$80.00
$90.00
$94.50
1.2
Helper - Standard Hourly Rate
Hours
50
$52.50
$72.00
$68.75
$80.00
$50.00
$94.50
1.3
Percent mark-up for
materials/supplies/parts, based
on an annual spend of
approximately $40,000.
EA
1
20
0
15
20
25
35
1.4
Technician Emergency Repair
Rate (Rate which will be
charged after standard
business hours).
Hours
75
$108.75
$88.00
$120.38
$120.00
$135.00
$141.75
1.5
Helper Emergency Repair Rate
(Rate which will be charged
after standard business hours).
Hours
25
$72.75
$72.00
$103.13
$120.00
$75.00
$141.75
1.6
Minimum charge per call out for
emergency repairs (after
hours).
EA
1
$238.12
$117.00
$275.00
$225.00
$141.75
Total
$34,588.12
$38,517.00
$39,119.25
$40,275.00
$41,725.00
$47,391.75
Raven Mechanical Contract - Repair costs beyond $50,000 contract
3/1/2017 City Hall / Community Center
3/2/2017 City Hall / Community Center
3/15/2017 Public Safety Bldg
3/17/2017 Tom Reid Library
3/18/2017 Public Safety Bldg
3/20/2017 JHEC WRF
3/22/2017 Public Safety Bldg
3/25/2017 Public Safety Bldg
3/28/2017 Fire Station #3
3/29/2017 Public Safety Bldg
4/12/2017 Fire Admin
4/18/2017 Fire Station #1
4/24/2017 Public Safety Bldg
4/24/2017 Water Well #9
4/28/2017 Knapp Senior Center
4/28/2017 Fire Admin
Chiller 1 diagnose circuits, refrigerant, Chiller 2
compressor diagnose
Chiller 1 Repair- leak in refrigerant
Chiller 2 - Condenser motor repair identified
Blower motor bearings diagnose - New blower
motor identified
Compressor failure identified and replacement
repair
Data center chiller not running, controls not
functioning, set to manual and cool
Install new packaget A/C init at JHEC and required
supply and return sheet metal ducts , new conduit
due inability to match original manufacturer and
parts. Required reroute of wiring, new control
wiring and associated piping and new seal on wall
penetration
Chiller 2 in alarm, compressor and condenser
diagnosed. Identified repairs from controls to
Chiller 1 flow sensor and Chiller 2 pressure
differential switch
Roof Top Units in alarm, power supply defective,
put into bypass, reset, will require control
automation repair.
Replace thermostats for bay heaters
Reviewed dust issue - Fan powered box filters
showed no filter replacement since initial
installation, checked air handling units in
mechanical room and roof top units. Review
performed for quote
Compression 1 & 2 breakers tripped, reset,
condenser fan motor reset.
Condensing unit power tripped, reset.
Evidence room compressor found to be defective,
replaced and refrigerant
Defective condenser motor and capacitor,
replaced both
Replaced run capacitor
Condenser units tripped, Reset, identified that
Compressor #2 skid needs to be replaced, control
box and compressor is building head pressur and
trips.
$1,481.50
$10,324.00
$301.56
$10,593.00
$346.88
$13,837.00
$2,659.31
$929.81
$693.13
$503.88
$500.94
$411.25
$3,842.63
$1,030.19
$374.75
$201.88
4/28/2017 PW Satellite Svc Center
5/1/2017 City Hall / Community Center
5/2/2017 City Hall / Community Center
5/3/2017 Fire St #1
5/12/2017 Community Center
5/19/2017 Animal Services
Invoice Credit
TOTAL
Humidity problems to be checked, outside air
damper and actuator loose and open, controller
nonfunctional, make up air and exhaust air systems
issues identified. Climatec automation system
reivewed. Diagnosed to add sleeve/insulated cap
to outisde air louver, screen for outside air hood on
roof.
Chillers tripped, chilled water control valve and
Variable Frequence Drive not operating and full
capacity. Identified as a possible construction issue.
Chillers reset, identified control valve closing off Air
Handling unit causing chiller to trip.
Condenser unity #5 tripped, oil pressure switch
replaced. Cleaned condenser coils.
Condenser power failure,compressor leak found,
recharged refregerant, diagnosed to replace
condenser due to leaks
Work on chillers for isolation valves for phase 2 of
building construction at mechanical room.
Bad capacitor found, replaced.
SW22681
$1,570.31
$507.88
$1,465.75
$812.44
$682.19
$304.25
($238.13)
$53,136.40