HomeMy WebLinkAboutContract 51435-CO3 CSC No.51435-CO3
F_ ORT NORTH City of Fort Worth City Secretary Copy
Change Order Request
Project Name I Village Creek WRF Liquid Biosolids Storage Tank City Sec No. 51435
Project No.(s) P266/56007 070SF30WF80 City Proj.No. CO2669
Project Description: Liquid Biosolid Storage Tank at VCWRF
Contractor: Crescent Constructor, Inc. Change Order: 0 Date: 09/16/2020
City Project Mgr.1 Seiavash Mir City Inspector: I Nathan Gray
Phone Number:1 817-392-8404 Phone Number: 817-944-9984
Dept. Sewer Totals Contract Time
(Calender days)
Original Contract Amount $6,437,000.00 $6,437,000.00 540
Extras to Date $98,800.00 $98,800.00 98
Credits to Date
Pending Change Orders(in M&C Process)
Contract Cost to Date $6,535,800.00 $6,53i.00 638
Amount of Proposed Change Order $ 0 . 00 $0 042
Revised Contract Amount $6,535,800.00 $6,53 .00 680
Original Funds Available for Change Orders $294,000.00 $294,000.00
Remaining Funds Available for this CO $195,200.00 $195,200.00
Additional Funding(if necessary)
CHANGE ORDERS to DATE(INCLUDING THIS ONE)AS%OF ORIGINAL CONTRACT 1.53%
MAXALLOWABLE CONTRACT AMOUNT(ORIGINAL CONTRACT COST+25%) $8,046,250.00
JUSTIFICATION(REASONS) FOR CHANGE ORDER
(1)Increase size of 1 EA concrete pads for Landia Air jet system to sit on. Larger pads will raise the inlet piping
elevation to delay grit intrusion into the Landia mixing pump system
(See field work order 41 02/21/20)
(2)Move Landia Connection from existing Manway opening to side of tank to reverse swirl
(3)Provide power conduits and circuits to ATC-I Panel(RFI 41)
(4)Raise up Inlet pipes(2 EA)on Steel Tanks to clear sludge blanket
(5)Change Drainage Swale slope to 4:1 around tank for back side tank access(RFI 42)
(6)Add Horizontal extensions to Landia Aspiration Pipe(7 locations)
(7)Revise Fill station pipe to inside contatainment area
(8)Remove steel overflow box from 0.5 MG Steel Tank
(9)Slurry Wall Deletion
(10)Oncor Design Allowance
Staff concurs with the Contractor's request for 42 additional calendar days on the change order.
It is understood and agreed that the acceptance of this Change Order by the contractor constitutes an accord and satisfaction and represents payment
in full(both time and money)for all costs arising out of,or incidental to,the above Change Order.
Contractor's Company Name Contractor Name Contractor Signature Date
Crescent Constructor, Inc. Ryan Glanz, P,.E. 0 9/0 7/2 0
Inspector Date Project Manager Date
Nathan Gray 9/11/2020 Seiavash Mird-,�� 09/11/2020
Director Water Dept Date Construction Manager Stantec Date
c&4 pv Sep 17,2020 Lac 09/10/2020
Alex Visotski, P.E. %�'
Assistant City Attorney Date I Assistant City Manager Date
Zy,q.O{.zpgp Sep 18,202 ,,, E Sep 22,2020
Council Action If Required) OFFICIAL RECORD
M&C Number N A M&C Date Approved N/A CITY SECRETARY
FT.WORTH,TX
FORT WORTH City of Fort Worth
Change Order Additions
Project Name Village Creek WRF Liquid Biosolids Storage Tank City Sec No. 51435
Project No.(s) P266/56007 070SF30WF80 I I City Proj.No. CO2669
Project Village Creek WRF Liquid Biosolids Storage Tank
Description
Contractor Crescent Constructor, Inc. Change Order: �3 Date: 8127/2020
City Project Mgr. Seiavash Mir City Inspector FTathan Gray
ADDITICIN5
ITEM DESCRIPTION DEPT Qty Unit Unit Cost Total
3.1 Raise Landia Concrete Pads(Field Work Order#1) 1.00 EA $2,000.00 $2,000.00
3.2 Move Landia Connection from existing Manway to side tank 1.00 EA $6,500.00 $6,500.00
3.3 Provide power conduits and circuits to ATC-1 Panel 1.00 EA $6,000.00 $6,000.00
3.4 Raise up Inlet Pipes on Steel Tanks to Clear Sludge Blanket 2.00 EA $2,500.00 $5,000.00
3.5 Change Drainage Swale slope to 4:1 around tank 1.00 LS $2,500.00 $2,500.00
3.6 Extend Aspiration Pipes 7.00 EA $2,300.00 $16,100.00
3.7 Revise Fill Lines into Containment Area 1.00 EA $1,500.00 $1,500.00
3.8 Overflow Box Demo 1.00 EA $2,100.00 $2,100.00
3.9 Slurry Wall Deletion 1.00 LS -$33,000.00 -$33,000.00
3.10 Bid Item 12 Oncor Allowance-Reduction 1.00 LS -$8,700.00 -$8,700.00
Sewer
Page 2 of 4 Additions Sub Total
2560 Technology Drive#400
Plano, TX 75074
CONTRACT MODIFICATION REQUEST: PCM-09
PROJECT: VILLAGE CREEK BIOSOLIDS TANK DATE: 08/26/20
PROJECT NO. CO2669
ATTENTION: CITY OF FORT WORTH
1000 THROCKMORTON STREET
FORT WORTH, TX 76102
ATTN: SEIAVASH MIR
Attention:
The following change in contract on this project is proposed:
A breakdown of cost SHALL be attached.
Work shall not commence until authorized by the OAWER.
I Pricing for the following
(1) Increase size of 1 EA concrete pads for Landia Air-jet system to sit on. Larger pads will raise the inlet
piping elevation to delay grit intrusion into the Landia mixing pump system
(See fieldwork order#1 02/21/20) = $2,000 total
(2) Move Landia Connection from existing Manway opening to side of tank to reverse swirl = $6,500 total
(3) Provide power conduits and circuits to ATC-1 Panel (RFI 41) = $6,000 total
(4) Raise up Inlet pipes (2 EA) on Steel Tanks to clear sludge blanket = $5,000 total
(5) Change Drainage swale slope to 4:1 around tank for back side tank access (RFI 42) = $2,500 total
(6) Add Horizontal extensions to Landia Aspiration Pipe (7 locations) = $16,100 total
(7) Revise Fill station pipe to inside contatainment area = $ 1,500 total
(8) Remove steel overflow box from 0.5 MG Steel Tank = $ 2,100 total
(9) Slurry Wall Deletion = ($33,000)
(10) Oncor Design Allowance (Bid Item 12) = ($ 8,700)
(11) Additional time to install items 1-10 = + 21 Days
(12) Additonal time due to Rain Events (April 2020 thru July 2020) = + 21 Days
TOTAL AMOUNT $ (0)
Ryan Glanz
Cescent
All work shall be in accordance with the terms, stipulations, and conditions of the
original Contract Documents. If the work herein provided for is Approved by
Change Order,the time of completion will be:
Increased By 42 ***Calendar Days
Decreased
Unchanged
El ACCEPTED
City of Fort Worth Date
❑ REJECTED
Project Rain Days(November 2018 thru July 20201
Project: Biosolids/Cl2 Project
NTP Date: 11/20/2018
Month Rain Days(CCI) Rain Days(FW) Dates
November-18 0 None
December-18 5 12/07,12/26,12/27,12/28(mud),12/31
January-19 4 01/02,01/03,01/04(mud),01/11
February-19 6 02/07,02/08(cold/mud)02/11,02112(mud),02/19,02/20(mud;
March-19 4 03/04(cold),03/05(cold),03/13,03/14(mud)
April-19 7 04/08(mud),04/17,04/18,04/19(mud),04123,04/24,04/25(mud;
May-19 9 05/01,05/02,05/03(mud),05/08,05/09(mud),05/21,05/22(mud),05/29,05/30(mud
June-19 5 06/10(mud),06117(mud),06/19,06/20(mud),06/24(mud)
July-19 2 07/10,07/11(mud)
August-19 5 OS/14,OS/15(mud),OB/27,08/28(mud),08/3C
September-19 0 none
October-19 9 10/10,10/11,10/21,10/22(mud),10/24,10/25(mud),10/29,10/30,10/31(mud
November-19 3 11/07,11/08(mud),11/22
December-19 5 12/09(no paint),12/20,12/11(mud),12/16(no paint),12/20(no paint
01109(no paint),01/10,01/13(no paint),01/14(no paint),01/15(no paint),01/16,01117,01121(no
January-20 13 paint),01122,01/23(no paint),01/27(no paint),01/28,01/29(mud)
02103,02/04(mud),02/05(cold no paint),02/06(cold no paint),2/10,02/11,02/12,02/13(mud),02/18(nc
February-20 12 paint),02/19,02/20,02/21(mud)
March-20 11 70 Days(CO#2) 03/04,03/05(mud),03J33,03/16,03/17,03/18,03/19,03/20(mud),03/23(mud),03/30,03/31(mud
April-20 6 04/02,04/03,04/13(mud),04/20(mud),04/28,04/29(mud;
May-20 7 05/04,05105(mud),05/07,05/09(mud),05/15,05/18(mud),05/26(mud
June-20 4 06/19,06122,06/23,06/24(mud)
July-20 4 07102,07/06(mud),07/28,07/29(mud)
Total Rain Days(Work Days)— 121 70
Rain Day Allowance(Original)_ -30
Rain Days Approved(CO#2)= 70
Rain Days Pending(April-Aug)= 21
BID NTP= 11/20/2020 Days
BID Substantial Completion(Original) 5/13/2020 540
BID Final Completion(Original)= 6/12/2020 570
BID Substantial Completion(CO#2)= 8/19/2020 638
BID Final Completion(CO#2)= 9/18/2020 668
(1)BID Substantial Completion(Rain April-July)= 9/9/2020 +21 Days(April-July)
(1)BID Final Completion Rain April-July)= 10/9/2020 +21 Days(April-July)
(2)BID Substantial Completion(CO#3 Items)= 9/30/2020 +21 Days(Con Items)
(2)BID Final Completion(CO#3Items)= 10/30/2020 +21 Days(CO#3 Items)
C12 NTP= 11/20/2020 Days
C12 Substantial Completion(Original) 3/14/2020 480
C12 Final Completion(Original)= 4/18/2020 515
Cl2 Substantial Completion(CO#2)= 8/1/2020 620
C12 Final Completion(CO#2)= 9/5/2020 655
(1)Cl2 Substantial Completion(Rain April-July)= 8/22/2020 +21 Days(April-July)
(1)Cl2 Final Completion Rain(April-July)= 9/26/2020 +21 Days(April-July)
(2)C12 Substantial Completion(Plant High Flows)= 9/12/2020 +21 Days(06/24 to 07/141
(2)02 Final Completion(Plant High Flows)= 10/17/2020 +21 Days(06/24 to 07/14)
(3)Cl2 Substantial Completion(Scrubber Panel Damage)= 12/6/2020 +85 Days(05/06 to 07/29)
(3)C12 Final Completion(Scrubber Panel Damage)= 1/10/2021 +85 Days(05/06 to 07/29)
Record of Climatological National Centers for Environmental Information
Observations 151 Patton Avenue
i Service These data are quality controlled and may not Asheville,North Carolina 28801
7.0189'W be identical to the original observations.
0003927 Generated on 05/04/2020 Observation Time Temperature:Unknown Observation Time Precipitation:2400
ure F Precipitation Eva oration Soil Temperature F
at At 24 Hour Amounts Ending at At Obs. 4 in.Depth 8 in.Depth
ne O Observation Time Time
b
s
2
r Rain, IFIF , Movement Evap (in)
Snow,Ice Wind r Amount of
v Snow,Ice PelletsGround Ground
Melted I 1
�. Pellets, Hail,Ice Cover Max. Min. Cover Max. Min.
a Snow,Etc. a a (mi)
t (in) g Hail(in) g on Ground (see*) (see*)
i (in)
0
n
0.00 0.0 0.0
RAIN 0.12 0.0 0.0
RAIN 0.11 0.0 0.0
0.15 0.0 0.0
T 0.0 10.0
T 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
T 0.0 0.0
0.00 0.0 0.0
0.07 0.0 0.0
0.49 0.0 0.0
MUD O.Oo 0.0 10.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
T 0.0 0.0
0.10 0.0 10.0
MUD 0.00 0.0 0.0
0.00 0.0 0.0
0.01 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
RAIN o.85 0.0 0.0
MUD o.00 0.0 0.0
0.00 0.0 0.0
1.90 1 0.0
was not reported.
I=Brome grass;5=Sod;6=Straw mulch;7=Grass muck;8=Bare muck;O=Unknown
,I tests.
indicate a"trace"value was recorded.
olumn indicate a multiday total,accumulated since last measurement,is being used.
ling calculations during the conversion process from SI metric units to standard imperial units.
Record of Climatological National Centers for Environmental Information
Observations 151 Patton Avenue
i Service These data are quality controlled and may not Asheville,North Carolina 28801
7.0189°W be identical to the original observations.
3003927 Generated on 06/04/2020 Observation Time Temperature:Unknown Observation Time Precipitation:2400
.ure F Precipitation Evaporation Soil Temperature F
at At 24 Hour Amounts Ending at At Obs. 4 in.Depth 8 in.Depth
ne O Observation Time Time
b
s
Hou
e Rain, F F Snow,Ice 2W Wind r Amount of
v Melted I Snow,Ice I Pellets, Movement Evap.(in) Ground Ground
�. Pellets, Hail,Ice Cover Max. Min. Cover Max. Min.
a Snow,Etc. a a (mi)
t (In) g Hail(in) g on Ground (see*) (see*)
i (in)
0
n
0.00 0.0 0.0
T 0.0 0.0
0.00 0.0 0.0
RAIN 0.17 0.0 0.0
MUD T 0.0 10.0
0.00 0.0 0.0
RAIN 0.21 0.0 0.0
MUD 0.03 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.05 0.0 0.0
0.00 0.0 0.0
T 0.0 0.0
RAIN 0.67 0.0 0.0
3.57 0.0 0.0
0.37 0.0 10.0
MUD o.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.01 0.0 0.0
T 0.0 0.0
0.62 0.0 10.0
0.18 0.0 0.0
1.65 0.0 0.0
MUD 0.01 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
7.54 0.0
was not reported.
4=Brome grass;5=Sod;6=Straw mulch;7=Grass muck;8=13are muck;O=Unknown
,I tests.
indicate a"trace"value was recorded.
Record of Climatological National Centers for Environmental Information
Observations 151 Patton Avenue
i Service These data are quality controlled and may not Asheville,North Carolina 28801
7.0189°W be identical to the original observations.
D003927 Generated on 08/17/2020 Observation Time Temperature:Unknown Observation Time Precipitation:2400
.ure F Precipitation Evaporation Soil Temperature F
at At 24 Hour Amounts Ending at At Obs. 4 in.Depth 8 in.Depth
ne O Observation Time Time
b
s
e 24 Hour
r Snow,Ice Wind Amount of
Rain, F Snow,Ice IF Snow,
Movement Eva p (m) Ground Ground
a Melted I pellets, I Hail,Ice Cover Max. Min. Cover Max. Min.
Snow Etc a (mi)
t (in) g, . a Hail(in) g on Ground (see*) (see')
i (in)
0
n
0.00 0.0 0.0
T 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 10.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 10.0
0.00 0.0 10.0
0.00 0.0 10.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
RAIN 1.04 0.0 0.0
0.81 0.0 0.0
0.32 0.0 0.0
RAIN 0.69 0.0 0.0
RAIN 2.49 0.0 0.0
MUD o.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
T 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
5.35 0.0
was not reported.
i=Brome grass;5=Sod;6=Straw mulch;7=Grass muck;8=13are muck;O=Unknown
,I tests.
indicate a"trace"value was recorded.
olumn indicate a multiday total,accumulated since last measurement,is being used.
Record of Climatological National Centers for Environmental Information
Observations 151 Patton Avenue
i Service These data are quality controlled and may not Asheville,North Carolina 28801
7.0189'W be identical to the original observations.
0003927 Generated on 08/17/2020 Observation Time Temperature:Unknown Observation Time Precipitation:2400
ure F Precipitation Evaporation Soil Temperature F
at At 24 Hour Amounts Ending at At Obs. 4 in.Depth 8 in.Depth
ne O Observation Time Time
b
s
e 24 Hour
r Rain, IFIFSnow,Ice Wind Amount of
v Snow,Ice Pellets Ground Ground
Melted I I , Movement Evap (m)
i. Pellets, Hail,Ice Cover Max. Min. Cover Max. Min.
a Snow,Etc. a a (mi)
t (in) g Hail(in) g on Ground (see ) (see')
i (in)
0
n
0.00 0.0 0.0
RAIN 0.22 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
1.01 0.0 0.0
MUD 0.07 0.0 0.0
0.00 0.0 10.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
T 0.0 0.0
0.00 0.0 10.0
0.00 0.0 0.0
0.00 0.0 0.0
T 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 0.0 0.0
0.00 1 0.0 0.0
0.00 0.0 0.0
RAIN 1.00 0.0 0.0
MUD o.01 0.0 0.0
T 0.0 0.0
T 0.0 0.0
1 2.31 1 0.0
was not reported.
l=Brome grass;5=Sod;6=Straw mulch;7=Grass muck;8=Bare muck;O=Unknown
,I tests.
indicate a"trace"value was recorded.
Contract Compliance Manager
By signing I acknowledge that I am the person responsible
for the monitoring and administration of this contract, including
ensuring all performanc and reporting requirements.
Signature
Tony Sholola
Name of Employee
Assistant Water Director
Title a4�nnn
o °°odd
�o o��
U
°ATTEST: dAAoo yy
Y� °° T�
ExAoo Sbbp
Jo
b.Ronald P.GOmala(Uct 1,101011:3G CUT, 4nd�4��
Mary J. Kayser
City Secretary
OFFICIAL RECORD
CITY SECRETARY
FT.WORTH, TX