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Indian River County Landfill
<br /> Vertical Expansion Access Road Ditch Modification
<br /> Summary of Bids and Comparison with Engineer's Cost Estimate
<br /> Geosyntec Comanco Environmental Treasure Coast Construction
<br /> Engineer's Cost Estimate Corporation Martagement Golder Associates
<br /> Item Description Estimated
<br /> Quantity Unit Unit Cost Cost Unit Cost Cost Unit Cost Cost Unit Cost Cost
<br /> ate 10
<br /> 1 Mobilization/Demobilization(Not to exceed 5%ofBid) 1 LS $6,000.00 $ 6,000.00 Excluded - $ 2,500.00 $7,571.76 $ 7,571.76
<br /> ZStoc ile existing Check Dams ate 1 LS $7,000,00 $ 7,000.00 $5,000.00 $ 5,000.00 - $ 5,500.00 $7,430.59 $ 7,430.59
<br /> 3 Sub de Preparation(Note 760 if $ 25.00 $ 19 000.00 $ 13.50 $ 18,225,00 - $ 27,500.00 $ 26.40 $ 20,064.00
<br /> 4 Earthwork(Fill) ote IV and 800 cy $ 25.00 $ 20,000.00 $ 45.00 $ 54,000.00 - $ 16,500.00 $ 18.15 $ 14,520.00
<br /> 5 Flexamat(Material and Installation)(Note VI) 1,400 sy $ 55.00 $ 77,000.00 $ 77.50 $ 193,750.00 $ 70,500.00 $ 54.90 $ 76,860.00
<br /> 6 Geogrid used to tie 2 rolls of Flexamat together) 1,400 sf $ 1.50 $ 2,100.00 $ 1.50 $ 3,750.00 - $ 6,000.00 $ 5.31 $ 7,434.00
<br /> 7 install Stockpiled Check Dams 1 LS $7,000.00 $ 7,000.00 $4,000.00 $ 4,000.00 - $ 4,500.00 $7,430.59 $ 7,430.59
<br /> 8 Sodding outside of Flexamat(Note 1,250 sy $ 5.50 $ 6,875.00 $ 5.00 $ 11,250.00 $ 4,000.00 $ 4.91 $ 6,137.50
<br /> 9 Initial Survey and Final Survey(N T 5,000.00 $ 5,000.00 Excluded - $ 5,200.00 $ 3,987.39 1 $ 3,98739
<br /> TOTAL $149,975.00 $289,975.00* $142,200.00 $151,435.83
<br /> Nates:
<br /> Quantities presented herein are estimated quantities and should be verified by Contractor.If quantities are found to be significantly different,Contractor shall notify Construction
<br />Manager/Engineerprier 10 alerting work.Quantities not provided and that form e
<br /> I part of the work shall be estimated and verified by Contractor and brought to Engineer's attention.Payment shall be made on surveyed and calculated quantities in accordance
<br />with the Technical Specifications.
<br /> This item involves stockpiling check dams present in the work area as shown on Drawing 2 of 5.This item shall also involve removal of sdt fence and siltation accumulated behind
<br />the check dams within and outside(dmvnstream)the work area Please refer to
<br /> II Drawing 2 of 5.
<br /> II[
<br /> This item involves cieoring/ramoval of overgrown grass,rocks,sticks,roots,any trash,unsuitable soils eta present within the ditch and stripping ofthe unsuitable topsoil in the
<br />work area This line item basically involves preparation ofsubgmde/existing ground
<br /> prior to placement of the import fill on the landfill side slopes and on the access road side slopes as shown on the Construction Drawings
<br /> IV This line item involves earthwork associated with constructing the ditch cross section of 2H:I V slopes with depth of 25 ft,5%slope up to the
<br /> existing ground with slopes as indicated on the Construction Dr¢wings.The octad quantity may very due to the on-site
<br /> conditions.Contractor to provide a survey from top of prepared subgrade to top of fill for actual as-built quantity of fill utiliud.
<br /> V Earthwork quantities are in-place compacted quantities.Earthwork pay items include all costs to haul,place,compact,and grade genaral/struchual fill.
<br /> VI Contractor to follow construction guidelines from the manufacturer and any additional guidelines provided by the engineer for material and installation of Flexamat.Item
<br />shall involve application of seed prior to fiexamat installation.Flexamat manufacturer and
<br /> construction notes are indicated on the Construction Drawings.
<br /> VII 'Ibis item involves sodding of the ditch from crest of flexamat to crest of the access road and the 5%bench on the landfill sideslopo as shown on the Construction Drawings.
<br /> V1II This Bid Form is a pan of the bid package that involves Technical Sperdfiations,Construction Drawings,Construction Quality Assurance(CQA)Plan,Manufacturer Guildlines for
<br />Flexamat installation,and any other guidelines/instructions provided by the
<br /> Engineer.
<br /> Ix Contractor shall submit Request for Additional Information(RAI)for elarifiations,if any,related to scope ofwork.items and/or quantities on the bid form,and any discrepancy
<br />in the bid documents during the bidding process.
<br /> x Contractor to perform initial survey after subgmds preparation and a final survey after Flexamat installation.Contractor to provide as-built survey to the owner.The surveys
<br />shall be used for payment purposes and for verification orwork completion
<br /> •As described in the Bid Evaluation letter,the original bid form issued to Comanco was later revised for quantities and for inclusion of mobilization/demobilization and surveying
<br />items.The total cost for Comanco represents the cost associated
<br /> with the previous version of the bid form If Comanco's unit costs were applied to the estimated quantities on this revised bid form,the total cost would still exceed the total
<br />cost by Treasure Coast Construction Management and Golder Associates.
<br /> 3/5/2013
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