Section 20 6—Borrow Excavation
206.1General Description
This w ork includes: •Excavating material from borrow areas or pits outside the Project Right- of-Way •Hauling and using the material as required on the Plans or directed by the Engineer •Stripping, excavating, and disposing of unsuitable material from borrow areas. See Subsection 107.22 and Subsection 107.23 206.1.01 Definitions General Provisions 101 through 150. 206.1.02 Related References
ection 107— Legal Regulations and Responsibility to the Publi c S ection 160— Reclamation of Material Pits and Waste Areas
ection 208— EmbankmentsS ection 209— Subgrade Construction 206.1.03 Submi ttals The E ngineer’s approval of borrow pits will be subject to the requ iremen ts of Subsection 107.23.C – Environmental Clearance of Local Material or Disposal Sites. Give the E ngineer sufficient notice to perf orm nec essary inv estigations, mea surements, s taking, and ac tions required in Subsection 206.3.05.A and Subsection 107.23.C . Working in the pit bef ore rec eiving the following a pprovals m ay result in rejection of the borrow pit without p ayment: •Approval for e nvironm ental considerations and m aterial acc eptability •Appr oval from pit inv estig ation, c ross sec tioning, and s taking
206.2Materials
Perform work using emba nkment m aterials th at meet the requiremen ts in Secti on 208. Do not use material th at con tains roots or stumps. The E ngineer will a pprove borrow excavation m aterials. Use selected borrow of Class IIB3 or b etter when specified for subgrade co nstruction or other uses (unless otherwise stated in the Plans or the P roposal). 206.2.01 Deliv ery, Storage, and Handling Before obtai ning m aterial f rom borrow areas, use material to co nstruct the emba nkment th at is excavated from within the slopes takes, or stockpile the m aterial for t opping out the roadbed (unless otherwise direc ted by the E ngineer). 199 199 199 199 199 199 199 199 199 199
206.3Construction Requirements
206.3.01 Personnel General Provisions 101 th rough 150. 206.3.02 Equipment Ensure th at equipment and m ethods used in borrow pits prod uce the following r esults: •Variouss trata, pockets, or accumulations of different types of m aterial are excavated and used in the c orrect proportions and se quence . •M aterial is used to produce borrow or selec ted borro w with the best possible grad ation and s tability within th e s pecified ra nge. •Material is excavated uniformly to facilitate mea suremen t. 206.3.03 Preparation General Provisions 101 th rough 150. 206.3.04 Fabrication General Provisions 101 th rough 150. 206.3.05 Construction A.Genera l The Department will investigate and take necessary actions to satisfy requirements of Section 106 of the National Historical Preservation Act. B.Clearing and Grubbing Clear and grub borrow pits as necessary bef ore removing borrow m aterial as specif ied in Secti on 106 and Secti on 202. C.Draining Pits Prevent w ater from standing in the pits unless the E ngineer d etermines not to drain the pit . L eave slopes presen table. Machine slope the bottom of the excavated area to sm ooth the surfaces suitable fo r reveg etation. T he Department will not measure for payment ditch excavation for draining borrow pits. The bid price for borrow excavation shall include this work.
Dispose of m aterial unsuitable for emba nkments such as ston e, broken rock, boulders, and other material fo und i n t he borrow pits . 1.D ispose of the material in a manner satisfactory to the Engineer and at no expense to the Department. 2.Do not leave piles of unsightly material in pits with or without the consent of the property owner. 3.Dispose of waste materials according to Subsection 201.3.05.E. 200 200 200 200 200 200 200 200 200 200
E.Reclamation Leave borrow pits or waste dis posal areas presen table. Reclaim th em acc ording to Secti on 160 un less exemp ted by Subsection 160.1 . Develop boundary slopes of reclaimed areas and grade th em to 3:1 slopes or flatter. 206.3.06 Quality Acceptance General Provisions 101 through 150. 206.3.07 Contractor Warranty and Maintenance General Provisions 101 th rough 150.
206.4Measurement
The quan tity of borrow and selec ted borro w is mea sured in its original position by the m ethod of average end areas or other acc eptable mea ns. When designated in the Pla ns, selec ted borro w may be mea sured by volume of the hauling vehicle acc ording to Secti on 109. The following will have no paymen t: •Material excavated before the orig inal surface of the pit is obtai ned by the E ngineer •Materials excavated for m aintaining the w ork •M aterials excavated that run out of the emba nkment on a flatter slope th an ind icated on the c ross-section shown o n the Plans or established by the E ngineer •Unsuitable m aterial excavated from the borrow ar ea and not used on the roadway The Department will mea sure original and final ground surfaces by co nventional field or photogramm etric or other methods, as determined by the E ngineer. 206.4.01 L imits General Provisions 101 through 150.
206.5Payment
The provisions of Section 106 apply to borrow pits. The Department will not pay for the following: •Delays caused by fulfilling the requirements of Section 106 or costs involved if the borrow pit is rejected •Work done to provide or improve access or haul roads to borrow pits (except when specifically stated in the Proposal) The prices bid for borrow excavation shall include this cost. The quantities of borrow and selected borrow are measured as described in Subsection 206.4 and will be paid for at the Contract Price per cubic yard (meter). This is full compensation for excavating, hauling, placing, and compacting the material according to the plans and specifications and for draining and dressing the borrow area. Borrow material furnished at no cost (no royalty) to the Contractor is “borrow excavation.” If royalties must be paid for material shown on the plans as a possible source of borrow, or if the source of borrow must be furnished, the Bid Item is “borrow excavation including material.” The same criteria applies to selected borrow. 201 201 201 201 201 201 201 201 201 201
Payment will be made under: Item No. 206 Borrow excavation Per cu bic yard ( meter) Item No. 206 Borrow excavation, including material Per cubic yard ( meter) Item No. 206 Selected borrow excavation Per cubic yard ( meter) Item No. 206 Selected borrow excavation, including material Per cubic yard ( meter) 206.5.01 Adjustments General Provisions 101 th rough 150. 202 202 202 202 202 202 202 202 202 202