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CR 94-133 CO #1 Nine Mile Creek Culvert "\ y 0 , c, '" . m -s.- "" council Report 94-133 July 13, 1994 o P K \ "'- Approve Change Order No. 1 Nine Mile Creek Culvert Improvements Proposed Action. staff recommends adoption of the following motion: Move that Council approve Chanqe Order No. 1 as it relates to Nine Mile Creek Culvert Improvements, proiect 93-15. Overview. Construction on the culvert improvements along Nine Mile Creek is complete. Most of the work was performed this past winter, and the remaining restoration tasks needed to be taken up during the spring and summer months. Numerous changes were encountered along the project track and staff chose to approach Council with one change order action at the end of the project. Primary Issues to Consider. . What is the nature of the change order? The major component of this change order is item 1: $114,300.00 for relocation of jacking site under the Soo Line e Railroad. The original jacking procedures had long begun at the original site before insurmountable problems were encountered and relocation was called for. other items listed relate to more minor field corrections made as the project progressed. . What is the cost? The net change is an addition of $181,962.30 to the contract. Council is reminded that the city will be reimbursed for construction costs by Nine Mile Creek Watershed District. . staff recommendation. staff concurs with RCM Associates and their assessment of this request and recommends council authorization of this change order. SupportinQ Information. . Change Order No. 1 . Supporting letter from RCM Associates Ja~el~ Engineering Superintendent . . CHANGE ORDER NO.1 July 11, 1994 Project: Culvert Improvements and Appurtenant Work at Nine Mile Creek Hopkins, Minnesota City Contract No. 93-15 RCM Project No. 10162.05 To: Park Construction Company 7900 Beech Street Minneapolis, MN 55432 You are hereby directed to make the changes noted below in the subject contract. NATURE OF CHANGE TO CONTRACT 1. Add Item 1; for installation of bends, relocation of jacking pit and relocation of end section due to change in jacking location due to discovery of wood cribbing below . railroad tracks. 2. Add Item 2; for installation of steel liner in lieu of Spirolite liner in the existing 96" CMP culvert (contract bid item no. 59). 3. Add Item 3; for installation of steel liner in lieu of Spirolite liner 96" CMP apron (contract bid item no. 58). 4. Add Item 4; for repair of existing 12" sanitary sewer Jine. 5. Add Item 5; for installation of overflow drains at the sedimentation pond outlet to prevent erosion of the pond dike. 6. Add Item 6; for installation of "Thin Ice" signs at the sedimentation pond per City request. 7. Add Item 7; for installation of two 10' x 6' bends at the 7th Street South box to blend better into the creek alignment per Lee Gustafson's request. 8. Add Item 8; for cleaning and restoring the creek alignment from the end of the 7th Street South construction to the creek crossing at 9th Avenue South. 9. Add Item 9; for repairs to the sedimentation pond dike due to erosion on outlet dike from excessive creek flows. . 10. Add Item 10; for realignment of the discharge end of the 120" RCP culvert so as to reduce erosion and turbulence. 1 . 11. Add Item 11; for construction of retaining wall at Thermotech to stabilize the slopes at the rip rap and provide a physical barrier for cars and fork lifts moving at the site. 12. Add Item 12; revisions to Special Structure NO.1 due to revised alignment of the 120" RCP culvert. 13. Add Item 13; additional work due to U.S. West's request to have a wider working platform for moving their vehicles along the berm. 14. Add Item 14; additional work at Thermotech to connect their building drain system into Special Structure No. 1- 15. Add Item 15; for removal and replacement of watermain in 11th Avenue South. 16. Add Item 16; for construction of concrete wall to connect the two flared end sections at the 7th Street South crossing together to minimize erosion potential. 17. Add Item 17; for replacing the standard erosion fencing along the Hwy. 169 berm with heavy duty silt fence. 18. Add Item 18; installation of bituminous curb at Thermotech. e 19. Add Item 19; to provide special seed mix No. 900 for restoration along Nine Mile Creek south of 7th Street South. 20. Add Item 20; for installation of splash pads at Hwy. 169 berm to reduce berm erosion due to drainage from bridge scuppers. 21. Add Item 21; for installation of bushes for screening at 7th Street South include edging and mulch. e 2 ADJUSTMENTS TO CONTRACT QUANTITIES AND COSTS . Add the following quantities and costs to the contract: 1. Move 120" RCP jacking LF 30 $3,810.00 $114,300.00 2. Revise liner for 96" CMP culvert LF 129 $13.00 $1,677.00 3. Revise liner for 96" CMP apron EA 1 $400.00 $400.00 4. Repair existing 12" sanitary sewer LS 1 $575.00 $575.00 5. Dike overflow drains LF 80 $20.00 $1,600.00 6. Special signs LS 1 $75.00 $75.00 7. 10 x 6 RC bends @ 7th St. EA 2 $9,500.00 $19,000.00 8. Creek reconstruction to 9th Ave. So. LF 480 $4.00 $1,920.00 9. Repair sedimentation pond dike LS 1 $1,500.00 $1,500.00 10. Remove and replace 120" RCP culvert end section LS 1 $4,500.00 $4,500.00 11. Thermotech retaining wall LS 1 $9,000.00 $9,000.00 12. Revise Special Structure No.1 LS 1 $8,000.00 $8,000.00 13. Widen Highway 169 Dike LS 1 $3,715.00 $3,715.00 14. 6" pve building drain LF 100 $20.00 $2,000.00 15. 11th Avenue South watermain LS 1 $2,100.00 $2,100.00 16. Concrete wall between end sections LS 1 $1,800.00 $1,800.00 17. Heavy duty silt fence @ . Hwy. 169 berm LS 1 $1,685.00 $1,685.00 18. Bituminous curb LS 1 $665.00 $665.00 19. Special seed mix 900 LB 191 $3.30 $630.30 20. Splash pads at Hwy. 169 berm EA 23 $275.00 $6,325.00 21. Bushes, edging and mulch EA 9 $55.00 $495.00 Total ADD $181,962.30 Contract Amount $1,044,268. 70 Increase Resulting from this Change Order $181.962-30 Total Contract Value including this Change Order $1,226,231.00 The Above Changes are Approved: RCM ASSOCIATES, INC CITY OF HOPKINS By .du--</t!&~ - By Date: The Above Changes are Accepted: . PARK CONSTRUcnON COMPANY fj2L&nfff~~J 3 -.._-- ." ~=?::r'~.:. C~~ANG~ =~JE~:S B~j;:,r::~ ~~~ ~~~.:;-:: ~=::~: ,.-"_ .. 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MINNEAPOlIS. MINNESOTA . OENVER, ~ORADO J'-:lnOOl 7, 1994 Rieke Carroll Mull~~ Assoti~t~s~ Inc. 10901 Red Circle Dr"iv~ M1nnetonkt!.~ MN :5~343 At tn : D\.lane Cra.mer Re: Culvert Iffiprov~me~ts ~nd.Appurtenant Work &t Nin~ Mil~ Cr~ek S.A.P. 132-346-13 City Project .No. 93-15 ReM ProjQC:'t No. 10162.0:5 , S~bj.ct - Sple2h Pads . - Dear M.I"" Cramer, . We p....opos.. 'to ~dd splash p~d~ _long the H1.AlY_ 169 Dik2 at . lc<:~tiQn5 where br .idge endr.. are pr~!!ently eroding Qmb~nk~~nt m~tt!r:i~l. Thg .:..e of $plasn p_d~ will be 6')( 5'x 12" cili'ep. Si=ll_~h P.;.d. material wil::' ba _ mil<ture of Cl 1 and Cl 2 Riprap placed on top of geotextile fabric. There 15 approximL'tely 25 spla!Sh ~ad... re::p.iir~d which we. prC?05e to l:on.truc't for a unit pric~ of ~27~.OO/EA- If yo~ would like U:5 to go ....head and p~rforr.l 'thi. work pl~~_~ give me a tall o!\.t 7S6-98(l~. SinC:Qr21y, ~CONMd. . I . ~ ne Haaland roJect. Mana9~r . 7iOO BEECH STREET N.E. . MINNEAPOliS. MINNESOTA 5S432 . PHONE (812) 786-0800. FAX (812) 788-29$2 _ AIUet""tlla' ~""'l'T"V"r-I.lIftrI~ JUH-13-94 NOH 11:26 ~A~K-~ ~ARDEH L~Nt~K b~~~~~~~~~ r_~~ ... .. '8 NURSERY Open MYen dayl aw.ek GARDEN CENTER. FLORAL Cly.Rd.30M':,~.~-= 425-4212 MojorcredUcardJocee;ded . . . . . FAX TRANSMISSION SHEET . DATB:: ~ - I~-~ 4- . SEND TO:.~ \>().y~ (c,y)'Sfry~ ATTENTION: ~'r'.J- C /\ D--^"--'-".... FAX NUMBER: 9 ~s- - -W I <.J NUMBER or PAGES (INCLUDING COVER SHEET): .' , -~i~t..,'"-'~"~ .{ f. . . tlItSSAGE: _. Fkrn~h , -gQ~a.,if- b:;;c~~ ~ ~ ~ J~~ ..ID '~~~.~~_:---.~~~ ." . ... . . . .Sc....:.~.. -'. .~._~-. COo:;"_ .... .: .:-'.' ,._.~~'. '. ~"-" lAA- 4d. ~ 'h-<..~c;.:., ~:'}2.'~'t( . ~;5D. ~ + 6Y::~~~s:3: ~"s-.-~- ~:: .:~:. -. .- '. ~~. ~'~-..;:":J~::'. . ,VJ.~. J . .. r........ --~:""',...--.-..' ~ _._ ~~~t~:. .;~,,:~~:;'>~~!" ;~.~:IT:.~. . .. . .:;:~t~~!~~:'!~~j~~g!~~tt. --.. ~ ~ '~. . .. .. ...~.-_......- --.... -- .. ~. -. ,-q .. ''';' ~ "", + .' _.." " . . '. - -.. '0. ,.- ~. . . "SENT 'BY-' -:. - '- "' '0',",,,:, '~,,-,,".. - .. - :.;. ~~ -'. .:. . .- r .~ ..- '~." ~~ '.'.:: :~~;f;;~~ . ...::':C;'"1 .....-c-. ~ ~:::;. , . July 12, 1994 Mr. James Gessele Engineering Superintendent City of Hopkins 1010 1st S1. South Hopkins, MN 55343 RE: Change Order No.1 Nine Mile Creek Culvert Improvements '~[gmTI City Contract No. 93-15 RCM Project No. 10162.05 rieke Dear Mr. Gessele: .~rroll ,nuller Enclosed please find Change Order NO.1 for the above referenced project. We associates, inc. en~neers have reviewed the submittal and recommend approval of the Change Order in the arc itects amount of $181,962.30. The new contract value with the addition of the Change land surveyors Order will be $1,226,231.00. equal opportunity employer After review of the Change Order, please contact us should you have any comments or questions or if you require any additional back-up information. Sincerely, ~~ Duane D. Cramer Construction Services Engineer RIEKE CARROLL MULLER ASSOCIATES, INC. DDC/ch Enclosure . 10901 red circle drive box 130 minnetonka, minnesota 55343 612-935-6901 fax 612-935-8814