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HomeMy WebLinkAboutChange Order No. 1 with Treasure Valley Drilling for Well 28 Test Well Construction (2)' i ,City of Meridian • ~ ~', Public Works Dept. ~ _ w_..__w___ __,_, _~ ~_ _. -.- _~ TG _ ~ Ta: Jaycee Holman; Tara Green I~r+om: Roxanne Holland, EiT, Staff Engin~r rF-olFand~nerldiancityorg Meridlau- Publ'~c Works Department C~ Kyle Radek, P.E., Assistant City Engineer Dates December 9, 2008 Re: Propos~i Agenda Item for December 16, 2008 City Council Meeting The Public Works Department rul[y requests the following item be placed on the December 16, 2008 City Council agenda, under Consent Agenda, far Couna'('s cbnslderatian: Charnae Order No. 7 for Welt 28 Test Well lcronstruc~onl. Additional drilling is requires for the completion of the Well 28 Test Well {construction). This change order gists of the following work and amounts to 40% of the consbuction contract: • increase drining depth from 900 ft. to 1,310 ft. • Increase PVC casing, PVC scxe~ens, and sand filter • Increase well development • Clean up and storm drain protection Reconurtendert Caunall Ac~lon: The Pu61la Works Department recomm®nds that City Counel approves Change Order No.1 for the Well 28 Test W®il project (oortstructlonj with Treasure Valiey Dri119ng for $40,000.00 and authorize the Mayor to sign it. Thardc you far your consideration. Please cor~tad me if you have arty questions regarding this item • Page 1 k f a ' I _ ~ ~ I li ~~y i ~ . ~ ~. ~ ~ ~ li z ~ ~ ~ I ' f ~ ~ 1. i ~ 1 ~ ~ ~ l 3 a } i ~j j ~ ~ ~ ' ~ ~~ ~ , ' , ~ i. , 1 YY ' 777 k f' ~ I - 1 ~ ~ .a ~ ~l i 6 I i i ,~ I 1 ~ i ~~ 3 3~ s" i s ' ~ ~ ~ ~ ~ ~ , , :;+ 1 ~i , ~ ~ li ° ~ 3 , ~ 1 ' 7 ~ 1 ~ Ei i f ~ i t ~` ~: ~ ! i ~ r ? I 1' ',i i ` ~' ~~ 1 is ~ i I ~ ~~~ t f r ~ ~ f ~ ~ ~ ~ i t ~ ~ - ~ ~ +~ CITY OF MERlDiAN 33 EAST BROADW/~Y MERIDIAN, ID 83642 COPITRACT CHANGE ORDER Change Omer No.: 1 Protect Number. 0733b Date: 1215/2008 Effective Date: CONTRACTOR: Treasure dalley Drilling PRCAIECT: Well 28 Test Wsll Construct9on The Cantnactar Is hereby directed to make the following changes from the Contract Doa~merUs and Plans. Desdptlvm 1 } Reduce 8° CaeEn9 from 80' to ~' ~ Ir~ease Filter Sand from 4 to 4 8 cu. Yds. 2) Reduce 8° Berrtonlte Surface SCI from 80' to 1 S' 9) No charges for cement grout hole at~andonment 3) Reduce 8" Ber>mnite Hole Aband~ment 10} Increase wall development irom'31 to 40 hrs 4) R~uce Cement Grout 5urPece 3~1 from 840' tp 147' 11) Add 8 Gallons of AquaCtear 5j Increase drilling Depth from 900' m 1,310' 12) Add ~curlty shelter ~staped t3) Increase 2° PVC Castrtg from 1,800' to 3,373' 13} Add t~eanup & storm dndn pro>edion 7) Increase 2° PVC Scxeens from 100' to 405' Reason for Change Order: Drfll deeper to explore addltfon~ usable aquifers Att~hmerds: CHANGE IN CONTRACT PRICE: CHANGE 1N CONTRACT TIMES: Original Contact Price: 98,485.00 Original Contract Completion Data: Ortgtnal Contract IeUon Net changes foma prevlaus C.O: s.: Net Days drange tbrm preat~s C.O.'s: No. 0 W Q No. Q in 0 $0.00 Contrao! Price Pdor to this C.O.: Contract Completion Data before this C.O~ $88,485.00 Net increase (decrease) of this C.O.: Net Days Incre~e (deorea~) of this C.O.: ~ D0~.0~ Corrtrart Price with ap Approved C.O: s: Contact Completion Da6a with alt Approved C.O.'s: $139,485.00 RE MENDED: i ICTION MANAGER) ACCEPTED (CONTRACTOR) ~ C~,~/ I2~© ~Ug APPROVED: (CITY PURCHA31N0 AGI3VT) COUNCIL APPROVAL t3y: Keith Watts Data: Dale: APPROVED: (CITY) ATTEST: By: Mayor Tammy de Weerd By: City Clerk, Jaycee Holman Date: DaGs: ~ ~ !-~ , ,~~ ~ t: ~, ~ ~ ~ ~~ ~ ?a ~ ~ 3 ~. ' s ~ ~ ~~ (' :;'~ '~ ?~ ~ r ~ ~ ~ - ~ u ~' ~ ,~ Y ~ I I 3 i ~ S ' ~ i. f , ~.'h~.' ~ i S, ;t s .~j , i r x ly F i ' ~ I I F ~ '~ ~ ~; i ~ ~ { . t , ~~~ . t`