Oldhouse Branch Refuse Piles Specifications 14139 - Rev 3.0 11.15.16.pdf
PDF 2 MB Posted
- Attached to
- Addendum #2 Oldhouse Branch Refuse Pile
- Solicitation number
- ARFQ 0313 DEP1700000053 3
- Issued by
- Nitro City, West Virginia
About this file
This is a construction specifications document issued by the West Virginia Department of Environmental Protection (WVDEP), Division of Abandoned Mine Lands and Reclamation, for the Oldhouse Branch Refuse Piles reclamation project located in Wyoming County, West Virginia. The project encompasses three sites near Oceana and includes demolition of mining structures, dewatering, construction of bat gate mine seals, drainage channels, reclamation of coal refuse, stream bank stabilization, soil cover placement, and revegetation of disturbed areas. The scope of work requires furnishing all labor, equipment, materials, and supplies necessary for mobilization and demobilization, survey and construction layout, quality control testing, site preparation including clearing and grubbing, erosion and sediment control during construction, drainage structure construction, mine seals, subsurface drains, and permanent revegetation. The document specifies multiple pay items including mobilization and demobilization (lump sum, capped at 10% of total bid), construction layout (lump sum, capped at 5% of total bid), quality control (lump sum, capped at 2% of total bid), site preparation (lump sum, capped at 10% of total bid), and various erosion control measures measured by linear foot, ton, or unit as applicable.
The specifications establish detailed technical requirements for materials, construction methods, and quality assurance, including soil compaction testing per ASTM standards, rip rap and aggregate durability testing per AASHTO protocols, and revegetation requirements with limestone and fertilizer application at specified rates. The contractor must assume co-applicant responsibility for the WV/NPDES Storm Water Construction General Permit and complete all permit documentation prior to receiving notice to proceed. Borrow and disposal areas require WVDEP approval and must comply with NEPA requirements regarding historic properties, floodplains, wetlands, endangered species habitat, and air quality standards. The contractor bears full responsibility for obtaining all necessary permits, including stream activity permits and burning permits, and for disposal of unsuitable materials at approved off-site facilities. The document was originally issued August 29, 2014, with revisions issued May 23, 2016, June 20, 2016, and November 3, 2016 (Rev. 3.0).
View the file
Other files
Show all 18
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
CONSTRUCTION SPECIFICATIONS
Oldhouse Branch Refuse Piles
WYOMING COUNTY, WEST VIRGINIA
STATE OF WEST VIRGINIA
DEPARTMENT OF ENVIRONMENTAL PROTECTION
ABANDONED MINE LANDS AND RECLAMATION
Issued August 29, 2014 – Rev. 0.0 Rev. 1.0 Issued May 23, 2016 Rev. 2.0 Issued June 20, 2016
Rev. 3.0 Issued November 3, 2016
TABLE OF CONTENTS
I.
PAGE NO.
SPECIAL PROVISIONS
I. LOCATION/SITE DESCRIPTION 1
County Road Map Site Location 2
II. SCOPE OF WORK 3
III. BORROW (DISPOSAL) AREAS 3
IV. DISPOSAL OF UNSUITABLE MATERIAL 5
V. PERMITS, LICENSES, AND FEES 5
VI. NPDES STORM WATER REQUIREMENTS 5
VII. CONSTRUCTION SIGN 8
II.
TECHNICAL SPECIFICATIONS
1.0 MOBILIZATION AND DEMOBILIZATION 14
2.0 CONSTRUCTION LAYOUT 16
3.0 QUALITY CONTROL 19
4.0 SITE PREPARATION 22
5.0 EROSION AND SEDIMENT CONTROL 31
6.0 REVEGETATION 39
7.0 DRAINAGE STRUCTURES 46
8.0 UNCLASSIFIED EXCAVATION 50
9.0 MINE SEALS 57
10.0 SUBSURFACE DRAINS 63
Oldhouse Branch Refuse Piles – Rev. 3.0 -- Issued 11.3.16
OLDHOUSE BRANCH REFUSE PILES PROJECT
I. SPECIAL PROVISIONS
I.
LOCATION / SITE DESCRIPTION
The project consists of three sites (Sites 1-3) located in Lynco (Wyoming County) just west of the town of Oceana. The sites drain to Oldhouse Branch a tributary of Lower Road Branch, Clear Fork, and the Guyandotte River. The project includes; old mining structures and conveyors, two refuse piles (one pile approximately 3 acres in size and a second approximately 1 acre in size), an old coal stockpile area (approximately 1 acre in size) with exposed bedrock, and 7 portals.
The general scope of work includes; demolition of structures, dewatering, construction of bat gate mine seals, splash pads, drainage channels, reclamation of coal refuse, stream bank stabilization, placement of soil cover, and re-vegetation of disturbed areas.
Other work will include; temporary erosion and sediment control measures, maintenance and repair of existing roads, and construction of temporary roads for access. Drainage structures proposed will include;
vegetated channels with erosion control matting and rip rap lined channels necessary to convey surface water to existing drainage features.
Travel to Oceana in Wyoming County on State Route 10.
Directions to site:
Take Route 971 from Oceana south for 1.2 miles to Lillyhaven.
At Lillyhaven turn right on County Route 7/1.
Travel approximately ¼ mile to a gate and entrance to the site.
Coordinate Location:
Site 1 -- N37º 42’ 05” – W081º 40’ 21” Site 2 -- N37º 42’ 26” – W081º 40’ 44” Site 3 -- N37º 41’ 45” – W081º 40’ 33”
A County Highway Map with the site location follows on the next page.
II.
SCOPE OF WORK
The work covered by the Special Provisions and Technical Specifications consists of furnishing all labor, plant, power, equipment and supplies, and performing all operations necessary for the completion of the project. The Contractor shall perform all operations necessary for:
• Mobilization/Demobilization of necessary and sufficient sized equipment to the project areas to complete the project within the stated time frames.
• Survey and construction layout of grading, facilities, constructions, and appurtenances shown on the Plans.
• Quality control.
• Erosion and sediment control during construction in accordance with the approved Construction Stormwater Permit and Plans.
• Clearing and grubbing of the site and, removal of debris, trash, junk, tree roots, and associated materials.
• Stripping and stockpiling topsoil for use as soil cover.
• Dewatering the mine reservoir(s).
• Control of groundwater springs, normal runoff and mine drainage, and storm drainage during construction so that work can be performed in the dry.
• Excavation, backfill, and fill placement as required to construct the project complete.
• Construction of bat gates mine seals.
• Construction of surface drainage control channels and a subsurface drain as identified on the Plans.
• Demolition of mining structures.
• Disposal of excess material (regardless of character or composition) from excavation.
• Placement of soil cover and re-vegetation of disturbed areas.
The Contractor also shall be responsible for surveying, including establishing construction baseline, measuring and developing all completed quantities on the job, and for ordering, purchase and delivery of any and all materials required for construction or development of support areas. The Contractor shall perform all other operations as incidental to the program as specified herein.
III.
BORROW (DISPOSAL) AREAS
It is the intent of this project to balance the excavation and fill required to construct the project in accordance with the Plans. Unsuitable and excess material generated by the excavation will be disposed of as waste in the area(s) shown on the Plans and as directed by the WVDEP. It is the intent of the project to balance the excavation with the fill required. The cut/fill slopes shown on the plans will be adjusted as required to achieve this result as directed by the WVDEP.
The need for an offsite waste or borrow area is not anticipated, however, it required, all borrow (disposal) areas must be approved by WVDEP. Should the Contractor decide to obtain and utilize any borrow areas outside of construction limits, or move material from one property owner to another, unless designated on the plans, the Contractor shall be responsible to obtain from the property owner(s) of the borrow areas, all necessary rights of entry, including rights of entry for WVDEP and OSMRE for inspection purposes. The said rights of entry agreement must state that the property owner(s) indemnify and hold harmless the WVDEP for Contractor’s action for any injury or damages whatsoever resulting from the use of the property.
The Contractor also shall submit a borrow/disposal area reclamation plan for prior approval by WVDEP. The Contractor shall observe the following NEPA compliance schedule relative to selecting and utilizing any off site borrow areas and/or any waste disposal areas.
a. No borrow (disposal) site operations will affect a site listed in, eligible for or proposed to be listed in the National Register of Historic Places.
b. No borrow (disposal) operations will be located within one-quarter mile of any federally listed established or prospective component of the National Wild and Scenic River System under 16 USC 1274 and 1276.
c. Borrow (disposal) site operations will not cause a significant encroachment within the base floodplain (CE.O. 11988: Floodplain Management).
d. Borrow (disposal) site operations will not be located in or affect a critical habitat of a federally listed endangered or threatened species under 16 USC 1531, et. seq.
e. No borrow (disposal) operations will occur in wetland areas which are designated by appropriate agencies.
f. Borrow (disposal) site operations will be consistent with any approved plans governing ambient air quality.
g. Adherence to these mitigation measures does not relieve the Contractor of the obligation or responsibility to obtain any other federal, state, or local approvals required to use borrow (disposal) areas and conduct such activities.
h. Documentation: Copies of borrow (disposal) site approvals and concurrences will be submitted to the WVDEP prior to the commencement of reclamation activities.
i. Site Monitoring: Borrow (disposal) activities will be monitored by the state to ensure compliance with contractual requirements, applicable federal, state, and local laws, and any permit conditions.
IV.
DISPOSAL OF UNSUITABLE MATERIAL
All waste areas shall be obtained in accordance with Special Provisions Section III (Borrow/Disposal Areas) of these specifications. All unsuitable materials (wood, trash, debris, and garbage) as determined by the Engineer shall be wasted by the Contractor, at his/her expense, outside the limits of work conforming to the requirements of Section
4.3.10 of these Specifications. Wood may be burned in conformity with Sections 4.3.9 of these Specifications.
The Contractor shall observe the NEPA compliance schedule relative to selecting and utilizing any off-site disposal areas in accordance with Special Provisions Section III of these Specifications.
V.
PERMITS, LICENSES AND FEES
The Contractor shall procure all permits and licenses, pay all charges and fees, and give all notices necessary and incidental to the due and lawful prosecution of the work.
Permits required for this project may include but not be limited to: Stream Activity permit from the WV Division of Natural Resources and burning permits from the WV Division of Forestry and the WVDEP, Division of Air Quality. A copy of the permit/permits as procured shall be furnished to the Owner prior to initiation of the work under this Contract. The WVDEP will obtain the Permits (MM 109 Form) from WVDOH and NPDES from WVDEP. Contractor shall be responsible for any Stream Activity Permits necessary to complete the project work.
VI.
NPDES STORMWATER REQUIREMENTS
The WVDEP-AML has obtained a Construction Storm Water General Permit for this project from WVDEP Division of Water and Waste Management (WVDEP DWWM).
The registration for this reclamation project will be modified to include the Contractor as Co-Applicant #1, with the WVDEP-AML being Co-Applicant #2. As such, the Contractor shall assume responsibility for compliance with the terms and conditions of the permit including modifications and any future correspondence such as registration renewal invoices, inspection reports, and notices of violation shall be forwarded to the Contractor. Upon award of the contract, the Contractor shall complete a Co-Applicant #1 signature page and submit the completed form to WVDEP-AML prior to scheduling a Pre-Construction Conference.
Upon receipt of the completed form, WVDEP-AML will request the WVDEP DWWM to modify the existing NPDES registration for this project to make the Contractor the Co- Applicant #1 to the permit.
The WVDEP DWWM will notify the Contractor and WVDEP-AML when the successful transfer of registration under WV/NPDES Storm Water Construction General Permit (No.WV0115924) is completed. A Notice to Proceed will not be issued until the contractor signs the co-applicant form and submits to the Office of Abandoned Mine Lands. Once the transfer has been completed, the WVDEP will continue to be responsible for any modification fees and annual renewal fees incurred up until the date of the final inspection of the project that occurs after completion of construction activities at the site. The Contractor shall be responsible for any and all costs associated with violations and fines assessed against the project that are a result of the Contractor’s negligence, carelessness, or failure to install permanent controls as part of the work as scheduled.
The Contractor shall apply for a Notice of Termination (NOT) from WVDEP DWWM via the Construction Storm Water website http://www.dep.wv.gov/Programs/stormwater/csw/Documents/Construction upon completion of construction activities at the site. The NOT shall be issued by WVDEP DWWM upon completion of the project. The Contractor will continue to be bound by the terms and conditions of the permit until the NOT has been approved by WVDEP DWWM. Once the project is complete, the Contractor will still bear responsibility for the NPDES registration until a NOT is received from the WVDEP DWWM.
http://www.dep.wv.gov/Programs/stormwater/csw/Documents/Construction�
VII.
CONSTRUCTION SIGN
1. Work Required
The work to be performed under this Section consists of providing all labor, material and equipment necessary to install a project sign as indicated on the detail included herein and as specified herein.
2. Materials
(a) Sign face shall be 3/4" Marine Exterior plywood or aluminum or composite material. Posts and cross-brace shall be No. 2 Grade Pine or Fir, kiln dried and pressure treated.
(b) Hardware
(1) All hardware shall be manufactured from good, commercial-quality material and meet all applicable ASTM standards.
(2) Spikes and nails shall be common wire-type and shall meet AISI steel specifications 1010 or 1020.
(3) All hardware shall be hot-dip galvanized in accordance with
ASTM A-153.
3 Execution
(a) Project Sign
. The sign board shall be cut to the dimensions shown on the detail herein. The sign shall painted with one (1) coat of primer and two (2) coats of white enamel. All exterior cut edges shall be smooth sanded prior to painting. All edges shall be double primed. The letters, border and strips shall be painted as shown on the detail drawing. Posts and cross-brace shall be painted with two (2) finished coats of brown enamel.
The Contractor shall bolt the sign to posts and provide required cross-bracing.
The posts and sign shall be erected and posts set in gravel base, as shown on the drawings. One (1) sign is required and is to be located at the discretion of the Inspector.
(b) Payment sign shall be part of the lump-sum bid for "Mobilization".
. Payment for the work which shall include installation of the project
II. TECHNICAL SPECIFICATIONS
1.0
MOBILIZATION AND DEMOBILIZATION
1.1
DESCRIPTION
This work shall consist of the performance of construction preparatory operations, including the movement of personnel and equipment to the project site and for the establishment of the Contractor’s offices, equipment and material storage areas, buildings and other facilities including the construction of all temporary access roads as necessary to begin work on a substantial phase of the contract. The location of Contractor’s office (if required) to be established shall be approved by WVDEP. It also shall include all demobilization activities involving the removal from the sites of all plant, equipment, supplies and personnel after completion of the work including cleanup of all rubbish and waste materials generated during the construction of this project; and restoration of any damage to existing site improvements resulting from the Contractor’s activities at the site; and installation of the project sign. Before commencing work on this project, the Contractor shall prepare and submit a schedule of construction activities for approval by the Owner.
1.2
METHOD OF MEASUREMENT
The method of measurement will be per lump sum.
1.3
BASIS OF PAYMENT
The bid for “Mobilization and Demobilization” shall be a lump sum and cannot be more than 10% of the TOTAL AMOUNT BID for the project. Partial payments will be as follows:
(a) One-half of the amount bid will be released to the Contractor with the first estimate payable, not less than 15 days after the start of work at the project site.
(b) The final one-half of the amount bid shall be released with the estimate payable after the work is accepted by the WVDEP and when the Contractor has submitted and received approval for paper (hard copies) and two (2) copies of a cd-rom with all “as-built” plans, in accordance with Specification Section 2.3.6.
Nothing herein shall be construed to limit or preclude partial payments otherwise provided for by the Contract. No deduction will be made nor will any increase be made, in the lump sum mobilization and demobilization item amount regardless of decreases or increases in the final total contract amount or for any other cause.
1.4
PAY ITEM
Item 1.0 “Mobilization and Demobilization” per lump sum. Cannot be more than 10% of the TOTAL AMOUNT BID for the project.
2.0
CONSTRUCTION LAYOUT
2.1
This item consists of furnishing, placing, and maintaining construction layout stakes, (based on the original baselines and/or control points in the plans
2.2
), necessary for the proper performance of the work under this contract including borrow/waste areas. It shall further consist of determining the exact units of measure for payment. It also consists of checking and making any field adjustment to the plan alignment, grades and elevations as considered necessary by the Engineer. Additionally, this item shall also include the preparation of “As- Built” Plans including the Reclamation Plan and any others specifically requested by the WVDEP. All of these “As-Built” Plans shall be provided prior to the Final Inspection Meeting. This item will be paid according to the following schedule: up to fifty percent of the total bid amount of this item will be released for payment when all required layout work is completed. The remaining 50% will be paid on the final invoice once the As-Builts are submitted and approved.
MATERIALS
Conventional survey stakes, hubs, batter boards, flagging, templates, straightedges and other devices necessary for laying out all parts of the work.
2.3
CONSTRUCTION METHODS
2.3.1 The Contractor shall be responsible for the proper layout of the work. The Owner will provide the Contractor with survey information regarding the baselines and the existing surface features shown on the Construction Drawings. The Contractor shall make all calculations involved and shall furnish and place all layout stakes.
2.3.2 The Contractor shall provide field forces and shall set all additional stakes as needed, such as offset stakes, reference point stakes, slope stakes, grade stakes, stakes for drainage, or other structures, supplementary bench marks, and any other horizontal or vertical controls necessary to secure a correct layout of the work including the re-establishment of the survey and construction baselines (as necessary), as shown on the Construction Drawings. The Contractor shall also perform any necessary cross-section surveying of the existing ground surface at the intervals and scales shown within the Construction Drawings, provide an overlay of the surveyed cross-sections on the cross-sections shown on the Construction Drawings, and submit the same to the Engineer for comparison prior to initiating earthwork. The original grade line and proposed final grade line shall be included on all sections. Incomplete cross-sections will be returned to the Contractor for necessary additions. Cross-sections, which do not encompass all areas of both earthwork excavation (including borrow excavation) and fill placement shall be considered incomplete without exception. The Contractor shall also include the locations of baselines used showing cross section locations on a copy of the reclamation plan when submitting cross sections.
2.3.3 The Contractor shall be responsible for assuring the layout staking work is in conformance to the lines, grades, elevations, dimensions, and locations shown on the Construction Drawings or as required by the Engineer. The Contractor shall furnish a copy of his/her survey records for review by the Engineer and for the Owner's permanent file. These records shall be furnished as they are completed during the progress of the work.
Any inspection or review of the Contractor's layout by the Engineer and the acceptance of all or any part of it shall not relieve the Contractor of his/her responsibility to secure the proper dimensions, grades, and elevations of the several parts of the work.
2.3.4 The Contractor shall exercise care in the preservation of stakes and benchmarks, including existing property line markers, and shall have them reset at his/her expense when any are damaged, lost, displaced or removed.
The Contractor shall use competent personnel and suitable equipment for the layout work required and shall provide that it be done under the supervision of, or directed by, a Licensed Land Surveyor registered in the State of West Virginia. As the survey is completed, the Licensed Land Surveyor shall certify that the site layout is complete for all necessary grades (both cut and fill), location and grades of all ditches, all cross-sections related to cut-fill where grade lines are necessary for construction and or billing. This layout shall include location stakes and cut-fill lines marked on the stakes for each pre-manufactured or formed on site structures (manholes, drop inlets, headwalls, etc.). The layout shall also include centerline stake with cut-fill lines for each channel and any areas of excavation and re-grade. The certified layout and cross-sections surveyed must be submitted to the WVDEP for approval prior to beginning construction for each item.
2.3.5 As-Built plans shall be provided to the WVDEP prior to the Final Inspection Meeting. The As-Builts shall include two discs each of the plans in PDF and AutoCAD 2007-2014 format on CD-ROM or DVD and one paper copy of the plans with the same size and scale as contained on the original plans. The As- Builts Shall include the following:
1. The As-Builts shall show all pay items remaining on site post construction.
2. The As-Builts shall show all horizontal and vertical dimensions of all installed components (i.e. pipes, drop inlets, mine seals, drainage channels, splash pads and manholes) as well as surveyed locations of the installed structures.
3. Cut-fill sections shall have the area of the section marked by the section for easier calculation.
4. The As-Builts shall have the lines on the plans shown in either color or line type to distinguish between our original plan lines, the contractor’s original survey lines and the final grade lines. This will apply for all cross-sections on the project.
5. All waste and borrow areas shown on the As-Builts.
6. All work completed by the Licensed Land Surveyor on the As-Builts must be certified by the Licensed Land Surveyor as to completeness and accuracy of the plan submittal.
7. As-builts must show total quantities for all items on the project. The format shall be in a tabular form.
2.4
Measurement and payment for furnishing, setting, maintaining, and resetting the stakes when necessary, and for furnishing all engineering personnel, equipment, materials, and all incidentals thereto, shall be by the lump sum bid for “Construction Layout”. The lump sum payment also shall include the cost for providing the Engineer pre-and post-construction ground line cross-sections for all disturbed or re-graded areas including borrow areas and “As-Built” Plans as described herein. Said lump sum bid cannot be more than 5% of the TOTAL AMOUNT BID for the project. Neither deduction nor increase will be made in the lump sum “Construction Layout” item amount regardless of decreases or increases in the final total contract amount or for any other cause. This item will be paid according to the following schedule: up to fifty percent of the total bid amount of this item will be released for payment when all required layout work is completed. The remaining fifty percent will be paid on the final invoice once the As-Builts are submitted and approved.
2.5
Item 2.0, “Construction Layout”, per lump sum cannot be more than 5% of the TOTAL AMOUNT BID for the project.
3.0
QUALITY CONTROL
3.1
This work shall consist of testing for verification that the materials supplied and the work performed are in accordance with these Specifications and the WVDOH Standard Specifications for Roads and Bridges, Adopted 2000 or later edition.
3.2
3.2.1 The Contractor shall submit a minimum of two (2) copies of shop drawings, catalog cuts and material certifications (as applicable) to the WVDEP of all off−site materials to be incorporated into the work. Written approval from the Engineer will be required prior to incorporation of these items into the work.
3.2.2 The Contractor shall submit at least two (2) copies of the results of all tests conducted on in-situ material, including concrete and grout to be used in this project, if shown on the plans. As a minimum, these tests will include moisture content & density tests of the soil/soft rock/crushed stone materials in accordance with the provisions of ASTM D698 (Standard Proctor), field density tests following compaction, soil tests to determine the lime and nutrient requirements of the areas to be re-vegetated; gradation (size), durability (soundness), fizz, and acid base (calcium carbonate equivalency) requirements for purchased or onsite borrowed and commercially purchased rip rap and aggregate. Compressive strength tests for grout and concrete if required by the Specifications will be performed in accordance with ASTM C109 (grout) and in accordance with ASTM C31 & C39 (concrete). Four specimens are required for each concrete or grout test. Rip rap gradation, quality, and durability will comply with the applicable subsections of Section 7.0.
3.3
METHOD OF CONSTRUCTION
3.3.1 The Contractor shall furnish the services of his own testing laboratory or select an independent testing laboratory, as long as the laboratory is under the direct supervision of a Registered Professional Civil Engineer and is AASHTO accredited (AAP) for physical properties testing. The laboratory used for chemical testing of soils shall be a State approved laboratory. The WVDEP must approve all laboratories used.
3.3.2 Testing for compaction, soil nutrient and lime requirements for soil; compressive strength tests for concrete and grout; and durability and gradation testing for rip rap shall be performed as required by these specifications and/or ordered by the Engineer in writing. The WVDEP will determine the locations and time of any testing herein specified and the need and extent of any testing in addition to that which is herein specified.
3.3.3 The contractor shall be responsible for performing laboratory tests of the coal refuse, mine spoil, and any natural soil to identify the compaction requirements for their use as fill and cover material, respectively. In addition, field density tests shall be performed in accordance with the Construction Specifications. All test results shall be submitted to the WVDEP for approval of compaction criteria prior to compacting the fill and after fill compaction to verify that the required compaction is obtained.
3.3.4 Rock rip rap shall have a maximum weighted weight loss of thirty percent and aggregate shall have a maximum weighted loss of twelve percent when subjected to five (5) cycles of the Sodium Sulfate Soundness Test – ASTM C88 (Standard Test Method for Soundness of Aggregates by the Use of Sodium Sulfate or Magnesium Sulfate), as modified by the American Association of State Highway and Transportation Officials (AASHTO T-104).
3.3.5 Non-calcareous stone used for mine seals and subsurface drains shall exhibit a fizz of 0 when subjected to dilute hydrochloric acid. A laboratory certification of soundness and fizz shall be submitted to the WVDEP prior to delivery.
3.3.6 Calcareous stone and rip rap (limestone) used on this project shall be laboratory tested for calcium carbonate equivalency (acid-base accounting) by a State approved laboratory. Laboratory results from a commercial supplier will suffice, otherwise the Contractor will be required to perform the test prior to delivery of the stone or rip rap to the project site. All calcareous stone or rip rap (limestone) to be used on this project must exhibit a calcium carbonate equivalency of 70% or greater. The Contractor shall submit test results to the WVDEP for approval prior to delivery of the stone or rip rap to the site.
3.3.7 Only new and first class materials, which conform to the requirements of these
Specifications, shall be used unless specified otherwise. When requested by the WVDEP, the Contractor shall furnish a written statement of the origin, composition, and manufacturer of any or all materials (manufactured or produced) that are to be used in the work. The sources of supply of each material used shall be approved by the WVDEP before delivery is started. If, at any time, sources previously approved fail to produce materials acceptable to the WVDEP, the Contractor shall furnish materials from other approved sources.
3.4
The method of measurement for determining the quantity of quality control work done as described above will be on a lump sum basis.
3.5
The quantity of quality control work done will be paid at the contract lump sum price bid for this item. Said lump sum bid cannot be more than 2% of the TOTAL AMOUNT BID for the project. No deduction will be made nor will any increase be made in the lump sum “Quality Control” item amount regardless of decreases or increases in the final total contract amount or for any other cause.
3.6
Item 3.0, “Quality Control”, per lump sum. Cannot be more than 2% of the TOTAL AMOUNT BID for the project.
4.0
SITE PREPARATION
4.1
4.1.1
Clearing & Grubbing
Work performed under this section shall include the demolition of old mining structures as well as the removal and disposal of all trees, stumps, shrubs and any other vegetation, wood, debris, junk, garbage of any nature from those areas specified below and/or shown on the plans within the construction limits, and/or any other areas as directed and approved by WVDEP.
This item shall also include stripping and stockpiling soil and topsoil from the construction areas for use as soil cover and re-vegetation.
This work shall also include the preservation from injury to all vegetation, utilities or other objects to remain as shown on the Design Drawings or as directed by the
WVDEP.
4.1.2
Demolition of Structures
This work shall consist of complete demolition and removal of such buildings, mining related structures and equipment, existing ruins and foundation structures, concrete pads, walls, pavement and existing drainage conveyances and facilities including corrugated metal pipe, rock, and walls located within the construction limits as are specifically designated on the Plans for removal or as directed by the WVDEP if within the construction limits and not shown on the Plans. Boulders, pads, walls, and foundation ruins shall be broken in accordance with Specification Section 4.3.21 and buried in the deepest portion of the fill areas as directed by the WVDEP. Broken pieces shall not be consolidated in one area, but shall be dispersed throughout fill areas to ensure compaction requirements are achieved. Masonry walls, foundations, and concrete slabs may be present and will require demolition and disposal. Buried ruins, structures, other debris, including abandoned mining equipment, may exist and be encountered during excavation operations. All onsite garbage (as well as any other debris of any type and quantity encountered), mining equipment, and metal structures or items encountered shall be removed from the site to an off-site disposal area in accordance with Special Provisions Section III and IV or to a landfill approved by the State of West Virginia to accept this type of debris. The Contractor is advised to perform a thorough site reconnaissance to quantify all garbage and debris within the construction limits whether designated on the plan or not, for removal prior to submitting his or her bid.
Demolition shall include grading work necessary to provide a safe stable slope within the borrow/waste area shown on the Plans for Site 3. It is the intent of the project to only disturb those areas that are necessary to provide soil cover and grade the finish slopes in general accordance with the details shown on the plans and as directed by the WVDEP. Where only cleanup of garbage and debris is required, clearing shall be minimized and this area shall as a minimum be revegetated in accordance with these plans. Grading work shall be subsidiary to the demolition pay items provided.
4.1.3
Temporary Access Road Construction
The Contractor will be required to improve and maintain existing access roads into all weather access roads for the duration of the project. All existing access roads shall be left in a condition equal to or better than existing at the time of mobilization, and shall be repaired and maintained during construction (except when culvert, ditch and road construction are being performed) to the satisfaction of the WVDEP. Resurfacing and/or stabilization stone will be incidental to the cost of the work described herein for any road upgrading required for construction entry or maintenance as deemed necessary by the WVDEP to facilitate site travel.
All travel and upgrading operations performed on existing access roads shall be confined to the width of the existing road, unless shown otherwise on the Plans.
Final grading, re-vegetation, stabilization (resurfacing with stone or asphalt pavement), and providing final drainage control for existing access roads shall be performed as shown on the Plans and as directed and approved by the WVDEP after reclamation operations for the project have been completed.
The Contractor shall maintain and protect traffic, protect work in progress, protect adjacent property from excess dust resulting from the construction and maintain traffic through, around, or adjacent to the construction area. The Contractor’s hauling and supply vehicles will travel paved, gravel, and dirt roads in close proximity to local resident’s homes, businesses, driveways, and other constructions. As such, the safety and convenience of these people shall be of utmost importance in the Contractors execution of work as shown on the Plans and herein specified. The Contractor shall be required to comply with all WVDOT rules, regulations, weight limits, speed limits associated with and posted on nearby public and/or private roads used by the Contractor to access the project.
The Contractor will be required to coordinate his operations with each resident and provide unrestricted access to them at all times. At the discretion of the WVDEP and as required by the WVDOH or local municipality, the Contractor will be required to employ flag persons to direct traffic while hauling materials on and off site and other constructions. All materials used for traffic control shall be in accordance with the current WVDOH manual; “Traffic Control for Streets and Highway Construction and Maintenance Operations”.
Other access roads not shown on the construction plans built to gain access to, travel between, or otherwise required for equipment/vehicular site access shall be kept to a minimum and only constructed where necessary upon approval from the WVDEP. Contractor constructed travel routes not shown on the Plans, shall be reclaimed to the approximate original contour and revegetated according to Specification Section 6 and upon completion of the construction activities, as deemed necessary by the WVDEP, with associated costs being considered incidental to this project. Any additional access shall require the Contractor to obtain written permission from the respective landowner.
Traffic on private access roads shall be maintained during construction (except when culvert, ditch and road construction are being performed), and shall be left in a condition equal to, or better than, the existing condition upon completion of construction as discussed herein. Resurfacing and/or stabilization stone will be incidental to the cost of the work described herein, except where designated on the plans, for any road upgrading required for construction entry, as deemed necessary by the WVDEP, to facilitate site travel. Final grading, stabilization, and providing final drainage control for existing access roads shall be performed after reclamation operations for the project have been completed. Road surface treatments shall be approved by the WVDEP.
4.1.4
Materials and Equipment Storage
Material storage areas within the Contractor’s Work Limits shown on the plans shall require the approval of the WVDEP. Material storage areas outside the Contractor’s Work Limits will require permission from the respective landowner in accordance with Special Provision III.
4.1.5
Property Line & Corner Markers
The Contractor shall become familiar with the property boundaries before beginning work onsite and shall restore any property corner markers destroyed by the construction as approved by the WVDEP.
4.2
MATERIALS (As shown on the Plans or as required by the WVDEP if not shown)
4.2.1 Crushed stone aggregate for road rehabilitation if shown on the Plans or required by the WVDEP shall conform to the requirements of a Class 2 Aggregate as described in Table 704.6.2A and Section704.6 of the West Virginia Department of Transportation - Division of Highways Standard Specifications for Roads and Bridges, adopted 2000 or latest edition.
4.3
4.3.1 The Contractor shall comply with all Special Provisions.
4.3.2 The specific areas to be cleared and grubbed are as shown on the Contract
Drawings and are generally described as, but not limited to, those specific areas of excavation, fill, stockpile, backfill, and drainage structure installation.
4.3.3 The Contractor shall clear the site within the limits of the construction shown on the plans or as approved by the WVDEP. The WVDEP shall exercise control over clearing and shall designate all trees, plants and other objects to be removed or to remain.
4.3.4 Clearing and grubbing shall be completed prior to initiation of earthwork operations and only to the extent necessary to complete the work. The Contractor shall confine his operations strictly to required areas. If the Contractor clears and grubs beyond the required areas, whether knowingly or accidentally, he shall, at his expense, replant, and otherwise restore all areas outside the limit lines to a condition equal to or better than that existing prior to start of work.
4.3.5 All timber eight (8) inches in diameter and larger at stump height shall be saw cut prior to grubbing operations. Timber shall be topped with the branches removed and stacked and stockpiled in an appropriate manner in an accessible location approved by the WVDEP on the property from which it was cut. Timber to be stockpiled shall not be pushed down by equipment prior to being cut nor can it be indiscriminately shoved into a stockpile.
4.3.6 All stumps, roots, buried logs and brush shall be removed. Grass, however, may be incorporated into the re-soiling material. Taproots and other projections over 1-½ inches in diameter shall be grubbed out to a depth of at least ten (10) inches below the planned subgrade or slope elevation. All holes remaining after the grubbing operation shall have the sides broken down to flatten out the slopes, and shall be filled with suitable materials, moistened and properly compacted.
4.3.7 Topsoil shall be stripped to a minimum depth of 6 inches below existing grade as directed and approved by the WVDEP. The topsoil shall be stockpiled onsite for use as soil cover as required by the WVDEP and these Specifications.
4.3.8 Cleared and grubbed areas shall be worked such that positive drainage is provided to prevent ponding of water except for the purpose of sediment control sumps as approved by the WVDEP.
4.3.9 All organic material shall be burned completely to ash or otherwise removed from the site and disposed of in a manner approved by the WVDEP in accordance with Special Provision IV – Disposal of Unsuitable Material and Special Provision V – Permits, Licenses, and Fees. Burning of the combustible material will not be permitted on or near refuse, mine portals or within close proximity to coal seams or utilities. The Contractor shall obtain all permits and licenses required prior to burning the material. A plan, showing the location of material to be burned and all fire control measures to be implemented, including copies of permits and licenses, shall be submitted to the WVDEP’s representative at the site for approval. As an alternate, if approved by the WVDEP, the Contractor may chip or mulch organic material and broadcast onsite also as approved by the DEP.
4.3.10 All other materials generated from required clearing and grubbing operations shall be removed and disposed of by the Contractor. All garbage, construction debris, mining debris, etc., shall be disposed of in approved waste area(s) or landfill(s). It shall be the responsibility of the Contractor to obtain, at no expense to the WVDEP, all necessary waste and borrow areas or landfills for the disposal of waste materials in accordance with any applicable local, state, and/or federal regulations including compliance with NEPA requirements (See Section III of the Special Provisions for NEPA Compliance Schedule). All waste and borrow areas must be approved by the WVDEP and, the Contractor must provide a reclamation plan for approval. In addition, for all waste and borrow areas outside the construction limits, the Contractor must obtain from the property owner a right-of-entry agreement in which the property owner indemnifies and holds the WVDEP harmless from any injury or damages whatsoever resulting from the use of the property. The Contractor may be required to submit proof the landfill is permitted to accept the type of debris or waste to be deposited. Garbage and waste including metal junk and vehicles may be present within the project area.
Some of this waste may require special handling and disposal. Burning of tires, treated lumber, mine belt, or anything that might create black smoke is prohibited.
The Contractor is required to visit the site and decide for their self the nature and quantity of garbage and waste to be removed and properly disposed of prior to submitting his or her bid.
4.3.11 It shall be the sole responsibility of the Contractor to correctly locate and avoid all underground, on-ground, and overhead utilities, facilities and other structures and constructions, and for that purpose, shall employ all necessary precautions and methods to insure avoidance of and damage to such constructions. In the event damage does occur, the Contractor shall notify the affected Owner and the WVDEP immediately and make or have made all necessary repairs and bear the expense thereof and resulting damage caused thereby.
4.3.12 Power poles located within the construction limits (if any) must also be protected from damage or relocated during construction as approved by the WVDEP.
4.3.13 Should offsite disposal or borrow be necessary, clearing, grubbing, and stripping shall be performed as required by these Specifications and as approved by the WVDEP. The Contractor shall observe the NEPA Compliance Schedule as per Section III of the Special Provisions.
4.3.14 Existing private access roads shall provide safe, all-weather access to the site for local traffic and persons living in the area. Existing roads shall be maintained during construction and left in a better than or equal to condition. The Contractor is responsible for locating and avoiding all underground and overhead utilities during access road grading and maintenance.
4.3.15 Crushed stone base aggregate for road improvements if shown on the Plans or rehabilitation of existing roads, shall conform to the requirements of a Class 2 Aggregate as described in Table 704.6.2A and Section704.6 of the West Virginia Department of Transportation - Division of Highways Standard Specifications for Roads and Bridges, adopted 2000 or latest edition. Access roads will be maintained and rehabilitated to their original condition with crushed stone aggregate. Prior to placement of aggregate, the road surface shall be stabilized and graded to drain as directed by the DEP. The quantity of aggregate needed and the placement/compaction of the aggregate shall be as directed by the WVDEP.
Access roads will be covered with a 4 inch layer of crushed stone if shown on the Plans, specified herein, or required by the WVDEP. Temporary access roads constructed by the Contractor will be subsidiary to Site Preparation and no separate payment will be made for construction, maintenance, or reclamation to original condition.
4.3.16 The top 12 inches of the roadway subgrade shall be compacted to a minimum of
95% of the maximum dry density as determined by the standard Proctor laboratory test (ASTM D 698). Quality control procedures shall be in accordance with and approved by the WVDOH. The subgrade shall be crowned to match the stone surface where required by the Design Drawings. Soft areas shall be excavated and replaced with similar soil or fill which is placed and compacted as required by the Design Drawings and these Specifications for specific fill areas.
The subgrade shall be stable and shall not deflect, or pump prior to or during placement of the stone surface materials.
4.3.17 Should rutting or other damage to existing access roads occur during construction due to construction traffic, the Contractor will be required to excavate the damaged area(s) and stabilize the same as approved by the WVDEP and WVDOH at no additional cost to the WVDEP. As a minimum, roadway areas which pump or rut will be excavated to a minimum depth of 12 inches and be stabilized with 6 to 12 inches of compacted AASHTO No. 1 stone which complies with the WVDOH Standard Specifications for Roads and Bridges, Adopted 2000, or later edition. Stabilization will be as directed by the WVDEP. The No. 1 stone shall be placed over a suitable stabilization fabric as directed and approved by the
4.3.18 Existing fence lines removed during construction activities shall be replaced to an
“as good as” or “better than” condition and as approved by the WVDEP. In situations where fencing is used to control or contain cattle, horses, and livestock, the Contractor shall also be responsible for any temporary fencing required to assure the safety and containment of the livestock.
4.3.19 If required, channel posts shall be driven plumb either by hand or by mechanical devices to the required line and to a depth of two feet below the ground surface and they shall be plumb with four feet above the ground. During driving, posts shall be protected by a special driving cap. Any post bent or otherwise damaged so as to be unfit for use in the finished work shall be removed from the site and replaced by the Contractor at their expense.
4.3.20 Buildings, walls, mining related structures, existing ruins, foundations, and drainage structures encountered in the excavations shown on the Plans shall be removed as directed and approved by the WVDEP. The removal operation shall extend 1 foot below finish grade, which operation shall include removal of concrete slabs, pavement, or any other type of floors and/or walls resting upon the ground. Basement floors shall be shattered. Pits, trenches, holes, or basements shall be backfilled. Any buried mining debris and ruins encountered during excavation shall be removed as directed by the WVDEP. Abandoned mining equipment and all metal encountered shall be removed from the site to an off-site disposal area in accordance with Special Provision Section IV or to a landfill approved by the WVDEP to accept this type of debris. The WVDEP shall be the sole judge as to what is buried and what is to be removed from the site. Areas where structures and buildings are removed shall be graded to provide positive drainage so surface runoff will not pool or impound as directed by the WVDEP.
4.3.21 Coal and/or refuse spillage, concrete, masonry blocks, and foundation ruins shall be excavated, specially handled in accordance with these Specifications, and/or removed from the site. Boulders, cut stone structures, concrete pads and blocks, and foundation ruins shall be broken and buried in the deepest portion of the fill areas or disposed offsite at an approved landfill if no suitable fill area is shown on the Plans. Broken pieces shall be of size less than 2 feet in any dimension and are not to be consolidated into one area, but shall be dispersed throughout the fill areas to ensure compaction requirements are achieved. Prior to placement as fill, any rebar protrusions from broken concrete shall be removed and properly disposed as approved by the WVDEP. Coal and/or coal refuse shall be buried beneath 12” minimum of soil capable of supporting vegetation. See Specification Section 8.
4.3.22 Trash, garbage, tires, plastic, metal, automobiles or parts, household appliances, treated lumber, and other unsuitable material resulting from demolition or existing onsite shall be disposed of by the Contractor at his or her own responsibility and expense outside the work limits in a landfill as approved by the WVDEP unless otherwise directed. Bricks, concrete blocks, cut stone and concrete foundations shall be disposed as per Section 4.3.21 of these Specifications.
4.3.23 Should offsite borrow be necessary, the Contractor shall observe the NEPA
Compliance Schedule as per Section III of the Special Provisions.
4.3.24 The Contractor will be responsible for repairing all Contractor associated damage to driveways, with compatible topping that exists, and to the satisfaction of the WVDEP and affected resident or property owner. Driveway repair materials shall conform to Specification 4.1.3.
4.4
4.4.1 There shall be no measurement of the “Site Preparation” item as it is a lump sum.
All costs associated with Site Preparation operations including but not limited to;
clearing and grubbing, timber cutting and stockpiling, burning of organic materials; offsite disposal of garbage, debris, and items designated by the WVDEP to be removed from the site; plan preparation or permitting as required by these Specifications, traffic control, any demolition at Site 2, excavation and fill not shown on the project cross sections, etc. Temporary roadway construction, maintenance, and rehabilitation which are not shown on the plans are included as incidental to this pay item and no separate payment will be made.
This pay item shall also include stripping and stockpiling topsoil for use as soil cover in re-vegetation of the site at completion and all other items as described herein.
4.4.2 Crushed stone base aggregate for rehabilitation and maintenance of existing roadways shall be paid at the unit price per ton as bid based on certified supplier weight tickets as directed and approved by the WVDEP. Payment will not be made for crushed stone aggregate which is carelessly wasted and strewn about the site.
4.4.3 There shall be no measurement for re-establishing existing property corners damaged by the construction as this work, if required, shall be incidental to “Site Preparation”.
4.4.4 No payment will be made for “Site Preparation” required for offsite borrow/disposal area(s). Payment for borrow area site preparation shall be incidental to the particular pay item.
4.4.5 Demolition of existing mining structures including but not limited to; equipment,…
This is the start of the file's text. The full file is on GovTribe.
File details come from the government source that posted it. Updated .