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HomeMy WebLinkAboutC2007-102 - 4/24/2007 - ApprovedCHANGE ORDER Department of Engineering Services City of Corpus Christi, Texas CHANGE Of~ER NO: 2 FUNDING SOURCE: 550910-3362-00000-140570 CONTRACT TIME: 150 C.D. Operating Departrtt~t: _Engineerin~ Services DATE: April 11, 2007 Name of Pro~ect: J.C. Elliott Citizens Collection Center and Transfer Station (Proiect 5192) Confiractor: I~nqhq~n Excavators, Inc. G' ANG~AS FOLLOW~,S: ADD DEDUCT 1. Deter~ion Ptmd Concrete rubble removal 2,716 cy @$6.00/cy $16,296.00 2. Addit~anal c~an clay backfill depth of one (1) ft to cover remaining Remaa~ning n~bble and provide sub-grade for certified clay liner 1,40Q~sy 1-~t thick (466-cy) ~ $6.00/cy $ 2,796.00 3. Dedu~t pay item for regular pond excavation $4,500.00 4. Storm Sew~ Rubble Excavation/Backfill (see attached page) $23,920.00 5. Watet Line Rubble Excavat~n/Backfill (see attached page) $24,018.00 6. Incre~e depth of manhole and lift station 3-ft with lengthened 12-in. HDPE pipe $ 2,898.00 7. Addit~pnal 18-If of 15-in. diameter HDPE pipe $ 1,350.00 8. One ~dditional grate inlet $ 3,300.00 9. Labor and rnt~terials for add~tion of 4 pilasters to tipping floor per Revi~d dra~-ings S-15, S-17, S-19, and A-3 to permit installation of Colurr~ns if TCEQ requires installation of walls to enclose tipping floor $ 7,644.00 Total $78,868.60 Why was thi~ chan~e necessary? (If left off the plans and specifications, explain why) The concret~~ubbl~ would constit~e an unstable base unsuitable for structural support of the transfer station. How can sirr~ar ch~nges be avoid~! in the future? Unavoidable. A. CONTRAC;T PR~CE ............... ....... ... ..... . . ....$ $3,835,907.25 B. TOTAL C~4NG~ ORDER (inc current} ..... ......$ 176,039.50 C. NEW COl~TRACT PRICE..... .... .. .... ......$ 3,933,078.15 D. THIS CH~JGE ~RDER .......... ........ ... . .... . ......$ 78.868.60 E. PERCEN~ TOT~AL CHANGE {B!A) ............. ...... 4.59 % F. PREVIOI~ AD[~1~1'L TIME AUTHORIZED.. .. ...... 19 CD G. A~DN'L CC~~DNTF~ICT TIME THIS CHANGE ORDER 4 CD H. TOTAL At~DITIC3NAL TIME .. .... 23 CD CITY OF CO~PUS CHRISTI, TEXAS By ` ~ :~.~o~., .~i$~O J it E "` ineer ~ Pro'ect En ineer ~.~7r~k11J.~.L~~-- - - tiu rv,.~~ ~ t~11NCIL ~C~;t";1;~.._M. CONTRACTOR ~ ,,,, SE~ ~'~~1+ By: ~ ~~ ~ Title: ~ /2cT /G( A~L~(s~ APPROVED: ~ ~ Operating Department A~'~ CHHHA ~~~~ ~ ~o.= ~y ~'~iY ~ ' ~ -- ~t ~^ Director of Management & Budgef - j 1 ~ ,- ~~ ~ A ' ~ ` ~ ~~ ~ ~ ~ yt Lega{ Department 2007-102 04/24/07 M2007-1 l 3 l.onghorn F,xcavators Citizens Coliection Center 8~ Transfer Station Change Order No. 2 Detail Detentioqh Pond Rubble Excavat~on Backfill Detention ~'ond Rubble Excavation $ 16,296.00 Additional clean c~y backfill $ 2,796.00 Deduct p~y item for regular pond excavation $ (4,500.00) $ 14,592.00 Storm S~rer Rt~#ble Excavation Backfill Inlet A-3 tti1 Pond 481-cy @$6.00 /cy $ 2,866.00 Clay Bacl~ll Iniet A-3 to pond 458-cy @$6 00/cy $ 2,748.00 Inlet B-3 t~1 pond 459-cy @$6.OO/cy $ 2,754.00 Clay Bacle~tl Inlet B-3 to Pond 437-cy @$6.OO/cy $ 2,622.00 Inlet A-3 t~r A-2 312-cy @$6.00/cy $ 1,872.00 Cfay Bacidll InfetA-3 to A-2 291-cy @$6.00/cy $ 1,746.00 Inlet A-2 tt~ A-1 2$1-cy @$6.00lcy $ 1,686.00 Clay Baclt~al InletA-2 to A-1 263-cy @$6.00/cy $ 1,578.00 Inlet B-3 t~- B-1 52+0-cy @$6.OO/cy $ 3,120.00 Clay Back~il Inlet B-3 to B-1 488-cy @$6 OO/cy $ 2,928.00 $ 23,920.00 Waterlinq~RubbM ExcavatonlBackfili Waterline~tubble~ Excavaton 2064-cy @ $6.OO/cy $ 12,384.00 Waterline~3ackfitl 1939-cy @ $6.OQ/cy $ 11,634.00 $ 24,018.00 PCO #2 $ 62,530.00 Manhole ~d Li~t Station Lower M~hole arad Lift Station three (3) feet $ 2,898.00 Additional'!8-If ~ 15-in HDPE pipe $ 1,350.00 One additi~nal inbet grate $ 3,300.00 PCO #3 $ 7,548.00 Transfer ~atiort Tipping Floor Add 4-pila~ters to dpping floor $ 8,790.60 PCO #4 $ 8,790.60 Total $ 78,868.60