HomeMy WebLinkAboutChange Order No. 1 with McLeran Well Drilling for Well 16 AbandonmentCITY OF MERIDIAN
33 EAST BROADWAY AVENUE
MERIDIAN, ID 83642
CONTRACT CHANGE ORDER
Change Order No.: 1
Project Number: 10312E
Date: 4112!2013
Effective Date:
CONTRACTOR: McLeran Well Drilling
PROJECT: Well 16 Abandonment
The Contractor is hereby directed to make the following changes from the Contract Documents and Plans.
Description:
1 } Extend quatities for grout, perforating, and other bid items required to complete work (see attachment).
2) Attached estimate includes all of the work performed except one additional peformation and grouting cycle which cost
$2, 699.00
Reason for Change Order:
Change order is an extension of quantities and prices for perforating and pressure grouting needed to properly
abandon well 16. Since this project included many unknown variables, the need for such a change arder was
anticipated in the original contract.
Attachments:
3-29-2013 McLeran Quote and CO Amounts Well #16-A Abandonment
CHANGE IN CONTRACT PRICE: CHANGE IN CONTRACT TIMES:
Original Contract Price: $27,720.00 Original Contract Completion Date:
Original Contract Completion Days:
Net changes form previous C.O.'s.: Net Days change form previaus C.O.'s:
No. 0 to 0 No. 0 to 0
$0.00
Contract Price Prior to this G.O.: Contract Completion Date before this C.O.:
$27,720.00
Net Increase (decrease) of this C.O.: Net Days Increase (decrease) of this C.O.:
$26,090.00
Contract Price with all Approved C.O.'s: Contract Completion Date with all Approved C.O.'s:
$53,810.00
RECOMMENDED: (PROJECT MANAGER) ACCEPTED (CONTRACTOR)
By: .° y~
`~ BY: rt °%
Date:
/ ' ~`~-~ Date: 4/16/2013
i
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APPROVED: (CITY PURC~
I ~AG~E T~ COUNCIL APPROVAL
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By: Keith Watts /~C~~j~ ~,~~ ~(/~~
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Date: ~~J(iI~~R ~
APPROVED' (CIT o4~
~ ATTE~3 .
$
'' city
By: Mayor Tammy d erd -m,,_~
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' t ~le , Jayc Holman
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Date: `'/ -~j+ ~
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Furnish ail lobar, materials, equipment and incidentals as required for the M~E~IDIAN WI~Lir. ~ 6®A
ABANC~ON~J~N~', per the attached drawings and specifications ~"Attachment 1 ")
131p SCH~DUI.E
Item
lV®- l~escrlptlon Qty Unit Unit Price Amount
isa31 filter pack sand through the perforations at 553' from inside
well to remove filter pads from outside the screen assembly down ,
to about 500'
1 a~ Document the types and amounts of material baited from the 15 NRS 195.00 3,12oA0
well.
by Utilize camera surveys as needed to inspect the well
c) finish bailing "'S yd~ of filter pack from well
Install bentonite grout seal from X75'-to-553' below ground inside
~ well and annular spaces
2a tnstall 2-inch tremie to 553` 2 HR5 195A0 390,00
2b Pum bent4nite grout into the range 47S' to 553` 3 CY 500.00 1,500.00
~.c Remove 2-inch tremie ~ WRS 195,00 390.00
tnstall cemen# grout seal from 0'-to-4~5' below ground inside well
3 and in annular space
3a Perforate ~0-inch steel blanks at 470' and 4~i3` 8 HRS 195.40 1,5ta0.00
3b Perforate 18-Inch steel casing at 420' and 380' 8 HRS 195,00 1,500.00
Conduct Camera surveys to inspect perforations and confirm void
3c spece outside screens and casing
gd 2-inch tremie rental 1 l_S 1,300.Ot1 1,300.40
install ~-inch tremie to 475' (include in the price of cement grout
3e one tremie. installation only}
3f Pump cement grout into the range 0'-to-475' 36 CY 350.00 12,600.00
Remove 2-inch tremie apprax 2 hrs (withdrawing intermittently
3g while pumping) ^' 2 hours ~inc{ude in price of cement grQUtj ~;
3h Cap 18-inch steel casing with a solid steel plate 1 CY 500,00 500.00
Continue Pumping cement grout through 3-inch sand filter tube ~ CY 600
04 600A0
3i until refusal at 3.50 PSi .
4 Remaining items to completely abandon the we{I
Remove the thrust block and cut casing dawn 1 ft below pump ~ L5 2,500.00 3,000 OD
4a house floor
4b Weld on steel cap to abandon the well ~ LS 340.00 300.40
4c tnstall new concrete to atch pump house #loor ~. tS 1,400.00 1,440.00
40YL 08sttlftY0Yfli tYy ~772~.~~
T`QTAL IIN ~Vt?R®s: '~~~*~~Twenty Seven thousand seven hundred twenty and na1100*~~~~~~~~~
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1PA~~@: 1a6-11A. V Y ~~d lyJ-1~.11d~~ AlIJ~ '
X476 Viand I=Ia11ow Rc1, Ne~v I'Iy-22atltls Iloilo 8365
Cell (20$} 941-r~87 ~'AX (208) 2`~8-31.46
Tt), City of ~Se2•idi>ln
PAb11C ~'Vol'Ics~ ~~1~ilrtnteIlti
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Meridian, ID #33642
~ttentio27~ Kyle ILadel{, P.E.
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February 1, 2013
UlVIT~ QUA1~tTIT'SC UNIT TOTAL 7'(~TAL C'Cl.S7'
Co~T zTEM
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COST
I+'i~ii~~ Ab~nclost~t3e~ef of ~h~ Sz~~i~iy L~'eil
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Mobilization ahead on site
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0
~2,SOO.OO
X0.00
Perforate I8-inch casilt~ 8 erforatiols at 370') hours 4 X195.00 X780.00
Install iremie to 40j' hours 3 a 195.00 X585,00
~entol~ite grout with iremie (from 405'-to-355') then cap well and yal•ds 3 X500.00 ~~,SOOAO
pressurize with additional betrtonite rout see note)
Remove trernie front 405" flours 2 a 195.00 X390.00
Install 1/2" PEX to 404' through the 3" sand filter tube hours 2 X195:00 X390.00
Belttorlite grout sand filter hrbe (fi•om 0'-to-404'} from. tltetop-clown
yards
0.73
X500.00
X365.00
usin the 1/2" PEA to relieve the Fvater ressure
Perforate 18-inch casin (24 ~erfo2•ations at 290', 260', and 235') hours 4 ~I95.00 X780.00
Install iremie to 355' hours 3 X195.00 X585.00
Bentonite grout with iremie (front 355`-to-220`) then cap well and yards 8 X500.00 $4,000.00
ressurize with additional bentonite rout see mote
Remove tremie from 35S' hours 2 ~I95.00 X390.00
Perforate 18-inch eosin 8 erforations at 180' hours 3 X195.00 X585.00
Install trentie to 220' hours 2 X195.00 X390.00
Ientonite grout tivith iremie (from 220'-to-165') then cap ~<<elI anal yards 3 $500.00 X1,500.00
resstarize tivith additional bentoniterout see mote
__
Reltzove iremie fi•om 220' hours
. 1 S 1.95.00 X195.00
Perforate 18-inch casitt (32 3e2~#`oratiolts at 1 IO',' 80', 55', mid 40' hours 3 ~ 195.00 X585.00
Iltstall iremie to 165' hours 2 ~ 195.00 X390.00
Bentbnite grout with tromie (from 165'-to-0') then cap well and yards 10 X500.00 X5,000.00
pressurize with additional bentonite grout (see note)
Reillove trenlle f2'om I65' 12otir5 1 ~ 195.00 ~ 195.00
T'~etrioVe the thi•uSt block and Cltt GaSl11g C~oS\rii 1-foot, beIOSV f100r JOb ~ `~2,SOO,OQ ~i~y$00.00
~~eld ermanent steel ca ~ onto 18~inclt eosin to abandon wolf job 1 $300.00 x'300.00
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