Taxiway Bravo Rehab Slot Pipe
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QUOTE #: INSTREV2
DATE: 10/4/2021
Install approximately 290' of slotted pipe. Includes setting expansion material, install structural rebar around slotted pipe, install slotted pipe system, place and finish concrete around slotted pipe.
BASE BID: $139,483.73
We are assuming normal working hours in this proposal.
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The outlet pipe is only 4" diameter leaving the question of why a 12" diameter slot drain is being used. Owner may want to consider as a VE the use of a 4", 6", or 8" diameter slot drain to match flow rates required.
2 Mobilizations. Additional mobilizations due to factors outside Eric'sons control will require a change order and additional costs.
Safety orientation and employee badging.
Provide layout for work from provided surveyor stakes/marks.
Provide and install 3/4" expansion material. (Note - we don't believe that it should go all the way down as shown in the plans. This can cause settling issues and should be discussed with EOR.)
Provide and install a reinforcing cage per plans.
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Provide 12" wide Dura-Trench slotted pipe materials. Trench drain materials shall be per the attached specifications.
• Set slotted pipe to finish line and grade. Anchor slotted pipe against movement and floatation during the concrete placement.
Place and finish P610 concrete around slotted pipe.
Remove any required bracing and formwork.
Daily and final clean up of job site to a "broom clean" finish.
Saw cutting and excavation.
Testing (such as compaction, materials testing, etc)
Restrooms
Trash Dumpsters
Traffic control (traffic cones, barracing, etc both during work and after installation to protect from damage to trench and personnel)
Dewatering (We will dewater small amounts of rain water if it can be removed by a 2" sump pump in less than 30 minutes. All other pumping of water that is caused by being below water table, equipment dumping into work area, etc. shall be by others)
Concrete pumping (all placements are chute pours from ready mix truck)
Pipe, sod, asphalt, backfill, and anything not specifically mentioned in our proposal.
Sealing of expansion joints