001-InStream-TreeTip-PerformanceWorkStatement.docx
DOCX document 63 KB Posted
- Solicitation number
- 1240BE24Q0106
About this file
This document is a Performance Work Statement (PWS) for a federal contract opportunity titled "R6 - In-Stream Restoration & Log Haul Services BPA". The PWS outlines the requirements for stream restoration services, including tree tipping, cable yarding, in-stream wood structure configuration, and stream bed material redistribution. Key details include:
The work is to be performed within various national forests in the Pacific Northwest region, with in-stream work generally occurring between July 15 and September 15. Required equipment includes a mobile yarder capable of line-pulling trees up to 76" DBH, as well as various other heavy equipment such as excavators, log skidders, dozers, and dump trucks. The PWS provides detailed definitions, technical requirements, safety protocols, and inspection criteria for the different work tasks. Payment will be made based on unit prices for the completion of specific tasks, with incentives available for unbroken tree tipping. The related federal contract opportunity is a Blanket Purchase Agreement solicitation with no set-aside, issued by the USDA Forest Service Pacific Northwest Region.
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ATTACHMENT 1
Performance Work Statement – Stream Restoration, Tree Tipping & Wood Placement
C-1 GENERAL
C-1.1 Scope of Contract – Work includes stream restoration, which is designed to restore the diversity of aquatic habitat by increasing the structural complexity and the natural functions of stream channels and floodplains. The Contractor shall furnish all labor, equipment, transportation, operating supplies, supervision, repairs and support functions required to perform all work within the specifications. The stream restoration work may include, but is not limited to:
· Recruiting, manipulating and placing large wood and off-site boulders into streams,
· line-pulling and/or pushing over standing trees,
· falling hazard trees/snags,
· yarding downed wood into stream structures,
· pushing over standing trees with roots attached,
· extracting, hauling and moving whole trees and boulders,
· configuring wood in stream structures,
· moving on-site boulders and placing large stream substrate to protect eroding banks and ballast ends of logs in stream structures,
· reshaping the morphology of a floodplain by redistributing substrate materials,
· extracting, bucking, loading and hauling trees to staging sites,
· transporting and placing spawning gravels instream,
· transplanting existing native vegetation on floodplains and banks,
· redistribution of Stream Bed Material,
· decompacting/subsoiling access routes to project areas, &
· providing traffic control.
C-1.2 Project Work Period
C-1.2.1 The sequence of work shall be identified on each BPA Call. In-stream work will generally take place between July 15 and September 15.
C-1.2.2 Periodic shutdown may be required due to high precipitation, severe weather conditions, or fire precautions. Seasonal work restrictions on any habitat-altering or noise-producing activities in or near the project area, including areas of line-pulling trees, falling snags, manipulating downed wood and access routes, may apply if Threatened and Endangered species are located in the project area. These restrictions may vary by species and circumstances. Specific seasonal restrictions and project areas affected will be identified on each BPA Call.
C-1.3 Project Location - Operations shall be confined to lands within the Siuslaw, Willamette, Umpqua, Rogue River-Siskiyou, Olympic, Gifford Pinchot, Deschutes, Ochoco, Umatilla, Malheur, & Wallowa-Whitman National Forest. A map will be provided of the work sites with each BPA Call.
C-1.4 National Forest Maps - https://www.fs.usda.gov/detail/r6/home/?cid=fsbdev2_026675
C-1.4 Access to Project Areas
C.1.4.1 Keys - Keys for locked gates may be obtained by contacting the Government representative. The Contractor shall be responsible for the cost of replacement gate keys and locks if keys are not returned. Keys must be returned prior to final payment.
C-1.4.2 Off System Roads - Access to all sites will be by existing paved, gravel, or natural surface roads. Vehicles shall not operate off system roads without prior written approval by the Contracting Officer.
C-1.5 Resource Protection – All adjacent standing trees shall be protected from line rub and from damage as logs are placed in-stream. All tailhold trees, block trees, and other special habitat features (such as snags and existing logs) shall also be protected from damage. Straps shall be utilized on all tailhold or block trees. Specialized cable rigging techniques (i.e., rider blocks, directional blocking, etc.) to achieve lift or directional control during log placement shall be utilized by the Contractor where appropriate to avoid damage to streambanks and other resources. Failure to utilize these, or equivalent techniques where feasible, will be considered as operations contrary to this contract and may be a basis for terminating the contract in accordance with the “Default” clause.
C-1.6 Environmental Protection – The project work areas occur in riparian areas and aquatic habitat that may have threatened species of fish and plants. The following measures shall be taken to protect these species and their habitats.
C-1.6.1 Soil disturbance on roads and project areas shall be minimized. All roadways shall be cleared of woody debris caused by this operation, including ditch lines and cut slopes. The Contractor, at no additional cost to the Government, shall restore any damage that occurs on bituminous surface treatment and paved surface roads, or drainage structures during implementation of this contract.
C-1.6.2 Work may be temporarily suspended if monitoring indicates that rainstorms have saturated soils to the extent that there is potential for road damage and for stream sedimentation.
C-1.6.3 Utilize only flagged skid roads or corridors to access stream channels.
C-1.6.4 Tracked equipment will be permitted on bituminous surface treatment and paved surface roads. Track protection devices, such as plywood or rubber mats, will be necessary to avoid cleat damage when operating and moving over pavement.
C-1.6.5 Contractor may need to establish and use multiple block setups to ensure protection of adjacent trees. Rigging lay-out shall ensure protection of corridor trees and minimize resource damage.
C-1.6.6 Equipment Cleaning - In order to prevent the spread of invasive species (noxious weeds and aquatic invasive species) the Contractor shall thoroughly wash all vehicles and equipment to be used on the contract including the undercarriage and treads prior to entry on USDA Forest Service lands. Any personal gear worn during in-stream work shall also be free of invasive species. The COR will make a visual inspection of the vehicles, equipment and in-stream personal gear. If any vehicle or equipment fails inspection, rewashing shall be required at the Contractor’s expense.
C-1.6.7 Booms – The Contractor shall provide booms to prevent the downstream transport of accidental oil spills. The Contractor shall furnish and if needed, utilize two parallel boom lines when machinery is within 25 feet of a stream channel. The booms shall have a minimum diameter of 5 inches and a minimum length necessary to span the entire distance of flowing water at each working site. Booms shall be of the type designed to absorb petroleum based products (e.g. gasoline, diesel fuel, hydraulic oil, etc.) that have been released to waterways and equipped with steel end rings and steel attachment clips approximately one foot from each end, so boom units connect and completely span the stream with an overlap at each joint. Booms shall be of sufficient size and quantity to deal properly with the total potential quantity of a spill which could result from activities.
C-1.6.8 Fish-friendly bar oil – Chainsaw - Operator must use chainsaws equipped with “fish-friendly” bar oil. “Fish friendly” hydraulic fluid is defined as a synthetic thermally stable biodegradable hydraulic oil (ISO 32/46), such as Panolin HLP Synth, Chevron’s Clarity, or equivalent.
C-1.6.9 Fish-friendly bar oil – Heavy Equipment Contractor shall use fish-friendly hydraulic fluid when any heavy equipment is working in-stream, with the exception of any extraction sites outside of a riparian area.
“Fish friendly” hydraulic fluid is defined as a synthetic thermally stable biodegradable hydraulic oil (ISO 32/46), such as Panolin HLP Synth, Chevron’s Clarity, or equivalent.
Contractor shall certify in writing that equipment is bled and filled with “fish-friendly” lubricants and hydraulic fluids when stipulated prior to beginning operations. Equipment shall be considered free of “prohibited petroleum products” when a visual inspection does not disclose such material.
C-1.7 Safety Requirements - All State safety laws (OSHA) and safe climbing practices shall be followed. In operations where tree climbing operations is carried on, there must be a minimum crew of two (2) who must be in visible or audible signal with one another. At least two personnel with climbing experience and an extra set of climbing equipment must be available at the worksite to render assistance to the climber in an emergency.
A general safety plan shall be developed by the Contractor, which complies with or exceeds OSHA standards. It shall describe safety procedures for crew safety involved with all contract operations. Emergency numbers and communications shall be described in the plan. This plan shall be presented and reviewed by all crew members and be available to all crews at all sites during work periods as well as available to the Government for inspection at any time.
Each individual climber operating in the performance of this contract shall have final say as to if any tree is safe to climb or not to climb.
C-2 DEFINITIONS
C-2.1 DBH – Diameter of the tree at breast height, measured at a point 4-1/2 feet above ground level from the uphill side of the tree.
C-2.2 Directional Pulling or Felling – Tipping a green tree or cutting down a hazard tree into a position that would be resistant to being removed by a flood. Orientations would primarily result in an up-stream diagonal or perpendicular position in relation to the channel’s margins with the smaller end of the wood piece in-stream.
C-2.3 Hazard Tree – A tree determined by the Contractor and approved by the Government to be a potential threat to the safety of the Contractor’s operator, crew, or equipment. A tree determined by the Government to be a potential threat to the safety of any recreationists or vehicular traffic on a highway or FS system road.
C-2.4 Key Piece (Wood) - A wood piece that is independently stable and capable of retaining other woody material. Pieces at least twice the bankfull stream width with diameters at the small end of at least 20 inches are generally considered key pieces. Pieces with root wads attached are preferred.
C-2.5 Native Surface Road – A native surface road is composed of native soil and rock and is constructed of materials available on site, without use of imported rock.
C-2.6 Spawning Gravel – A graded mix typically composed of washed, rounded drain rock in diameter sizes ¾ inch to 6 inch suitable for productive salmonid redds made up of gravel and small cobble.
C-2.7 Stream Structure - A stable accumulation of interlocked logs, root wads and/or standing trees placed in the stream channel. Structures may be stabilized by partial burial of pieces in on-site substrate materials and/or boulders imported from off-site.
C-2.8 Tail Hold - An anchor used for making fast any line or block needed for cable yarding, not for configuring.
C-2.9 Typical Structure - A typical structure may have 90% of its woody material coming from tree tipping, felling, and cable yarding activities. The other 10% may come from woody material naturally existing on-site. Numbers of large wood pieces per structure can vary from 1 to 20 pieces depending on the site, but primarily range from 5 to 8 large pieces in each structure. Additional smaller material may be added to the upstream side to add to the complexity of a structure. Size of material will vary per BPA Call.
C-2.10 Choker - A short (usually less than 20 feet) noose of wire rope for hauling logs.
C-2.11 Choker Setter - the person who puts a choker around a log and attaches it to the skidder, yarding, or other equipment.
C-2.12 Differing Site Conditions - Instances when the Contractor encounters latent physical conditions that differ significantly from those indicated in the contract, or typically expected.
C-2.13 Extraction – Removal of tree, typically with its roots attached, by any method (e.g. pushing, pulling, cable yarding, etc.) with the exception of felling the tree with a chainsaw.
C-3 GOVERNMENT FURNISHED PROPERTY, MATERIALS, SERVICES
C-3.1 The Government will furnish to the Contractor the following materials, supplies, property, or services for each BPA Call, as applicable: Project maps, typical drawings, tree or log inventory data, gate keys, logs, root wads, boulders, and washed, rounded drain rock for spawning gravel.
C-4 CONTRACTOR FURNISHED CRITICAL ITEMS/SERVICES
C-4.1 General - The Contractor shall provide the necessary equipment with qualified operator(s), technical expertise, labor, supervision, operating supplies, except those designated as Government furnished, and incidentals required to perform the work as specified herein. The Contractor shall comply with all Federal, State, and Local laws and regulations, including those related to fire. All heavy equipment shall be furnished with an operator.
C-4.2 Equipment Requirements – Equipment shall meet the applicable categories as specified in the Schedule of Items. Additional requirements for Cable Yarding are specified in C-4.3.1
C-4.3 Cable Yarding
C-4.3.1 Equipment Requirements – A mobile yarder shall have the capability of mobilizing over asphalt road surface, setting up the mobile yarder on native road surface, and safely line-pulling down a green tree with a DBH up to 76 inches, retaining the majority of roots attached. The heavy equipment would operate a drum winch or similar capable of line-pulling down live trees with their roots attached, toppling the tree directionally. Saturating the soil around the tree may often be necessary to loosen the roots, preventing tree bole breakage or cable system failure. Equipment is required to work from existing road surfaces up to 350 yards away from tree locations. Tree diameters range from 14 to 76 inches DBH and tree heights range from 80 to 200 feet. Average tree diameters are anticipated to range from 18 to 36 inches DBH depending on the project area of each BPA Call.
| C-4.3.2 | Cable Yarding Trees - The cable yarding system shall have the capability of moving a total weight of trees and root-mass across the ground up to 50,000 lbs. up to a horizontal distance of 100 feet. A single Douglas fir log that weighs 10,000 lbs, is approximately equivalent to a log (without root wad) 40’ in length and 24" (small end) x 36" (large end) in diameter. A 10,000 lb. log with root wad would be approximately equivalent to a log 45’ in length and 24” in diameter at breast height, according to http://www.woodweb.com/cgi-bin/calculators/calc.pl | |
| A single Douglas fir log that weighs 50,000 lbs. is approximately equivalent to a log (without root wad) 80’ in length and 40" (small end) x 55" (large end) in diameter. |
C-4.3.3 Cable Yarding Operations - Operation of cable systems through existing vegetation is necessary, requiring the Contractor to run the cable pulling system without use of corridors or modification of existing vegetation. Staging areas for the mobile yarder would be on native or gravel -surface roads, wide highway shoulders which lay on floodplain or terraces at or above tree elevation. River channels may not be fordable in all locations, due to swift river currents or deep water. Setting cable systems may require crews to wade shallow portions of the river channel (up to waist deep).
C-4.4 Equipment Condition and Maintenance - All major equipment repairs to be done on-site shall be performed at the fueling area unless otherwise authorized by the COR.
C-4.5 Cutters/Sawyers shall be equipped to cut trees up to 60 inches DBH and be experienced with directional falling, use of jacks, and working with and around heavy equipment and use of chokers.
C-4.6 Contractor Responsibilities - The Contractor shall retain custody of the equipment and be responsible for its operation, operator(s), and security of its equipment.
C-5 PERFORMANCE WORK STATEMENTS TASK & CRITICAL SUBTASKS
C-5.1 Mobilization (Item 0001):
Mobilization includes the movement of equipment, personnel, supplies, incidentals, and initial equipment cleaning to the project locations as well as any single subsequent moves over 10 road miles between project sites. The number of mobilizations will be specified in each BPA Call.
C-5.2 Directionally Fall Trees or Snags with Chainsaw (Item 0002):
Trees or snags shall be felled in order to reduce overhead hazards, to thin riparian areas and to obtain large wood for stream structures. Trees/snags to be fallen will be determined on each BPA Call and will be visibly marked on the ground. All hazard trees shall be fallen first to safeguard the area. Trees/Snags shall be fallen in a manner to achieve maximum length, lengths less than 30 feet may not be accepted. Trees could be as large as 60" DBH. If the Contractor identifies an unmarked tree to be a hazard to project activities, then a Government representative will make the decision for removal.
Sawyers shall cut trees or snags designated by the government and shall fall trees in a manner that minimizes damage to adjacent trees. More care is required in riparian areas than upland areas. No hazardous hang ups shall be left in place.
Limbing logs/trees is to be avoided, but may be necessary to yard into an in-stream structure. Attached limbs are beneficial to interlocking in-stream structures. Trees to be limbed and bucked in some cases shall be fallen as a result of windstorms and/or entangled with other trees and limbs.
C-5.3 Directionally Pull Trees with Roots Attached with Cable Yarder (Tree Tipping) (Item 0003):
Trees shall be pulled over in a manner that will achieve maximum length with the root system attached. Trees to be pulled over will be designated by BPA Call and visibly marked by the Government. Tree sizes range in size from 18 inches to 76 inches DBH. Lengths less than 30 feet may not be accepted, if the tree to be pulled over was originally over 30 feet. It is preferred to have trees pulled over, without breaking off any upper portions. Parts of the root system may need to be sawed off and/or the soil saturated with a pump system to facilitate tree pulling.
More environmental protection is required in riparian areas than in upland areas. Trees shall be toppled in a manner that minimizes damage to adjacent trees. No hazardous hang ups shall be left in place. Trees used as tailholds shall not be damaged in any manner. Equipment may not enter stream channels in order to pull over streamside trees.
Project areas and trees will be flagged. Cable systems, with multiple tail holds, or rigging techniques may be utilized and required to accomplish tree pulling/tipping task. Include choker setter and rigging work in your quote for this line item.
C-5.4 Cable Yard Oversized or Tipped Tree with Roots Attached to an In-stream Structure (55 feet long, or greater with a root wad greater than 3 feet in diameter) (Item 0004):
Oversized wood pieces shall be cable yarded to an in-stream structure. Wood pieces for this item will generally have lengths from 30 to 100 feet long and have root wads from 3 to 15 feet in diameter. Yarding distances range from 1 to 100 yards. The designation of trees, or logs to be yarded and their final positions will be specified on each BPA Call.
In cases where a tipped tree has roots partially buried and hinged into the ground, the Contractor will extract the downed tree in order to loosen it before attempting to yard the piece the required distance. The Contractor may choose any method (e.g. rocking the tree, cutting roots, etc.) to complete the extraction, with the exception of cutting the root wad off with a chainsaw. During the extraction process, the Contractor shall preserve the entire length of tree as practicable and shall strive to retain a minimum attached root wad size of two times its DBH.
Project areas and trees will be flagged. Cable systems, with multiple tail holds, or rigging techniques may be utilized and required to accomplish cable yarding task. Include choker setter, rigging and sawyer work in your quote for this line item.
C-5.5 Cable Yard Regular Size Log or Downed Tree to an In-stream Structure (less than 55 feet long with a root wad less than, or equal to 3 feet in diameter) (Item 0005):
Trees or logs shall be yarded to in-stream structures. Trees or logs for this item will have lengths 30 to 55 feet long and have root wads no larger than 3 feet in average diameter. Retrieval distances range from 1 to 350 yards. Retrieval of wood pieces shall be completed without compacting or exposing soil to no more than 5 percent of the flagged working area. The designation of trees, or logs to be yarded and their final positions will be specified on each BPA Call.
Project areas and trees will be flagged. Cable systems, with multiple tail holds, or rigging techniques may be utilized and required to accomplish cable yarding task. Include choker setter and rigging work in your quote for this line item.
C-5.6 Configure In-stream Wood Structures and Redistribute Bed Material – (Item 0006):
All Labor-Hour work will be directed and identified by the Government. Work may include a variety of work such as reconfiguring wood pieces that are tipped, or cable yarded down to a stream structure. Large boulders may need to be extracted, moved and repositioned on-site. Bed materials may need to be redistributed in complex streambed morphologies that have too many variables for the task to be estimated by the cubic yard.
In addition to the heavy equipment operator, a choker setter person, or two choker setter persons will be required for some of the line items listed below.
Excavator – Item 0006AA Equipment shall meet the applicable weight category as specified in the Schedule of Items. Equipment will be used to reconfigure trees and logs in stream structures and redistribute bed materials in stream. Access routes may need to be decompacted/subsoiled by the Excavator.
Excavator (with choker setter) - Item 0006AB-0006AJ Equipment shall meet the applicable weight category as specified in the Schedule of Items. Equipment will be used to reconfigure trees and logs in stream structures with the assistance of a choker setter.
Cable Yarder (with choker setter) - Item 0006AK Equipment shall meet capabilities of specifications C-4.3.1 (Cable Yarding Trees).
Cable Yarder (with 2 choker setters) - Item 0006AL Equipment shall meet capabilities of specifications C-4.3.1 (Cable Yarding Trees).
Log Skidder - Item 0006AM-0006AQ Equipment shall meet the description as specified in the Schedule of Items. Equipment will be used to extract logs and/or move them from one staging area to another.
Faller/Bucker - Item 0006AR Work may include, but is not limited to bucking fallen trees, clearing brush, and falling trees and snags.
Dozer – Item 0006AS-0006AU Equipment shall meet the horse power ratings as specified in the Schedule of Items. Equipment will be used to redistribute stream bed materials and occasionally to skid logs.
Front End Loader – Item 0006AV-0006AW Equipment shall meet the minimum carrying capacities as specified in the Schedule of Items. Equipment will be used to redistribute stream bed materials.
Articulated Backhoe/Superhoe - Item 0006AX-0006AY Equipment shall meet the specifications as specified in the Schedule of Items. Equipment will be used to access stream structure sites not accessible by excavators, or other heavy equipment.
Dump Truck – Item 0006AZ-0006BD Equipment shall meet the minimum carrying capacities as specified in the Schedule of Items. Equipment will be used to transport substrate when redistributing bed materials.
Log Loader – Item 0006BE-0006BG Equipment shall meet the weight specifications as specified in the Schedule of Items. Equipment will be used to move whole trees and/or large logs, load and/or deck them.
C-5.7 Redistribution of Stream Bed Materials – (Item 0007):
Equipment shall remove stream bed materials from the floodplain and move them to degraded, incised channels in order to release lateral flow. The Contractor will remove barriers (e.g. berms, levees, etc.) to flow and will fill in channel sites with removed materials. Removal and depositional areas will be designated by the Government and marked on the floodplains, islands, and the banks of the channel. It is at the discretion of the Contractor either to push bed materials to move them, or to load and haul them to designated fill sites, or to use a combination of equipment and methods to accomplish the task. Equipment will reshape and recontour all removal and fill sites to approximate, natural land forms of the stream and its floodplains.
Typical materials to be moved are cobble mixed with gravels and small boulders. Bedrock will not be removed.
Within the designated area to be removed, trees or shrubs may be retained as islands and will be marked on the ground to be protected. All other vegetation and slash shall be moved and is considered part of the stream bed material. Transplant sites may be designated incidentally by BPA Call for shrubs like willow and for small hardwoods like alder cottonwood to be dug up and replanted. A quote will be requested using Line Item 11 (Miscellaneous Identified Task), if a large amount of transplant work is needed. Retained material and moving distances will be identified per BPA call.
Moving distances (1 to 350 yards) are specified in the Schedule of Items. Typical distances are 20 to 50 yards.
C-5.8 Extract Whole Tree - 12 in. to 36 in. DBH; 80 foot tall– (Item 0008):
The Contractor may choose any method (e.g. pushing, cable yarding, etc.) to complete the extraction, with the exception of felling the tree with a chainsaw. During the extraction process, the Contractor shall preserve the entire length of tree as practicable with root wad attached. During extraction, the Contractor shall strive to retain a minimum attached root wad size of two times its DBH. Typically, excavating around a tree’s outer roots is necessary in order to loosen the root wad enough to avoid bole breakage.
C-5.9 Incentives (See Specification C-6.9) (Item 0009):
C-5.10 Traffic Control (Per BPA Call) (Item 0010):
For BPA Calls requiring a Contractor to operate within a state highway corridor, the Contractor shall provide traffic control. Traffic control shall meet all State requirements of the Oregon Department of Transportation assuring vehicular safety. The Contractor is responsible to secure all state permitting and coordination for traffic control, working in the Right-of-Way, and to meet any other requirements.
Other traffic control needs will be identified if needed BPA Call. If traffic control is needed, all traffic control specifications will be identified on the BPA Call. The Contractor will be requested to submit a quote for this pay item.
Some BPA Calls will have no traffic control requirements. If Pay Item 8 (Traffic Control) is not included in the BPA Call, no traffic control is needed.
| C-5.11 | Miscellaneous Identified Task (Per Task Order) (Item 0011): | |
| Work includes, but is not limited to light brush cutting, additional equipment cleaning and covering disturbed soils with certified weed-free straw. Other work may include stream flow diversion and control of sedimentation when excavating streambed materials. Other specialty equipment may be included, such as, but not limited to an Excavator with a clam shell grab bucket, or subsoiling attachment. Work may also include bringing in stock-piled spawning gravel to an In-Stream location. The Contractor will be requested to submit a quote for this pay item. |
C-6 PAYMENT
C-6.1 Mobilization (Item 0001): A lump sum payment will be made for each piece of heavy equipment order per BPA Call. For payment purposes a Mobile Yarder, or Yarder will be considered heavy equipment and receive payment for a mobilization.
C-6.2 Directionally Fall Trees or Snags with Chainsaw (Item 0002):
Level I - For Falling Trees/Snags that are less than 22” DBH.
Level II - For Falling Trees/Snags that range in size from 22” to 43” DBH.
Level III - For Falling Trees/Snags that range in size from 44” to 60” DBH
Payment will be made based on the number of trees and/or snags directionally felled.
C-6.3 Directionally Pull Trees with Roots Attached with Cable Yarder (Tree Tipping) (Item 0003):
Level I: For Pulling over Trees that are less than 22” DBH
Level II: For Pulling over Trees that range in size from 22” to 43” DBH
Level III: For Pulling over Trees that range in size from 44” to 60” DBH
Level IV: For Pulling over Trees that range in size from 61” to 76” DBH
Payment will be made based on the number of trees successfully pulled over directionally with a minimum average root wad diameter of 3 feet. Cost includes any tail hold rigging, limbing and bucking. If a tree is pulled over without the root wad attached, the unit price of the similar pay item length of Item 2 (Directionally Fall Trees or Snags with Chainsaw) shall apply. Level IV trees will be paid at the full price regardless, of the root being attached, or not. If the tree cannot be pulled over, the Government representative may request that the tree be felled instead and the similar pay item length for falling trees/snags shall apply. If a Level IV tree can’t be pulled over, it shall be left in place. If trees are determined to be unsafe to pull over, the Government may substitute an alternate tree with no adjustment in price.
C-6.4 Cable Yard Oversized or Tipped Tree with Roots Attached to an In-stream Structure (55 feet long, or greater with a root wad greater than 3 feet in diameter) (Item 0004):
Level I - Basic: Yarding distance from 1 to 20 yards.
Level II - Moderate: Yarding distance from 21 to 40 yards.
Level III - Moderate/Difficult: Yarding distance from 41 to 80 yards.
Level IV – Difficult: Yarding distance from 81 to 100 yards.
Payment will be made based on the number of successfully cable-yarded trees or logs. Costs include any tail hold rigging, limbing and bucking.
C-6.5 Cable Yard Regular Size Log or Downed Tree to an In-stream Structure (less than 55 feet long with a root wad less than 3 feet in diameter) (Item 0005):
Level I - Basic - Yarding distance from 1 to 30 yards.
Level II - Moderate - Yarding distance from 31 to 100 yards
Level III - Moderate/Difficult – Yarding distance from 101 to 200 yards.
Level IV – Difficult - Yarding distance from 201 to 350 yards.
Payment will be made based on the number of successfully cable-yarded trees or logs. Costs include any tail hold rigging, limbing and bucking.
C-6.6 Configure In-stream Wood Structures (Item 0006):
Measurement for Hourly Work:
The Government will maintain a daily record of all hourly work. Hours shall be rounded to the nearest one quarter hour (15 minutes). The Contractor will be furnished a copy of this record in the form of a shift ticket for each applicable Labor Hour item. Any difference between the Government's and the Contractor's figures pertaining to work hours shall be reconciled at the end of each work day, or the Government figures will apply.
Payment will be made at the unit prices shown on the Schedule of Items for the actual number of hours worked. No payment will be made for non-work hours due to lunch, breaks, maintenance, and breakdowns.
C-6.7 Redistribution of Stream Bed Materials – (Item 0007):
Level I - Basic: Bed material moving distances from 1 to 30 yards.
Level II - Moderate: Bed material moving distances from 31 to 100 yards.
Level III - Moderate/Difficult: Bed material moving distances from 101 to 200 yards.
Level IV – Difficult: Bed material moving distances from 201 to 350 yards.
Payment will be made based on the cubic yards of stream bed materials actually moved. The Government will make measurements in 3 dimensions at the designated fill sites before and after depositing materials in order to calculate the actual amount of moved materials. If the final measurement is within 15% (above or below) of the original quantity shown in the BPA Call, payment will made for the exact quantity shown in BPA Call. If the quantity is outside of the 15% tolerance, the actual quantity of moved material shall be paid. This may result in a modification to increase total funding for this line item.
Numerous large boulders may be encountered, which were unanticipated at the time the BPA Call was placed. Notify the CO if large obstructions significantly slow and inhibit the removal of designated bed material being moved. The Government may deem a differing site condition exists. If this occurs, the funding may be moved to an hourly pay item in an effort to provide fair and reasonable pay, or the item may be dropped in its entirety.
C-6.8 Extract Whole Tree - 12 in. to 36 in. DBH; 80 ft tall – (Item 0008):
Payment will be made at the unit price shown on the Schedule of Items, for each whole tree extracted. Most trees extracted should include a minimum attached root wad size of two times its DBH.
C-6.9 Incentives (Item 0009):
Bole breakage is more likely to occur when the Contractor manipulates large wood in certain project areas. Therefore, those BPA Calls may include the option for incentives to pay a bonus for every tree or snag with at least 90% of its bole left unbroken. Incentives only apply to Item 3 (Directionally Pull Trees with Roots Attached with Cable Yarder (Tree Tipping). The following BPA Call Incentives may be included to encourage the Contractor to take the extra precautions:
Tree with root wad 3 feet or greater in average diameter:
Level I: $50 for an unbroken tree less than 22” DBH
Level II: $100 for an unbroken tree ranging in size from 22” to 43” DBH
Level III: $200 for an unbroken tree ranging in size from 44” to 60” DBH
Level IV: $300 for an unbroken tree ranging in size from 61” to 76” DBH
Tree or snag with root wad less than 3 feet in average diameter:
Level I: $25 for an unbroken tree less than 22” DBH
Level II: $50 for an unbroken tree ranging in size from 22”- 43” DBH
Level III: $100 for an unbroken tree ranging in size from 44” to 60” DBH
Level IV: $150 for an unbroken tree ranging in size from 61” to 76” DBH
Any difference between the Government and the Contractor’s figures pertaining to number of pieces provided unbroken shall be reconciled prior to the Contractor submitting an invoice, or the Government figures will apply.
C-6.10 Traffic Control (Item 0010): Payment will be made at the quoted price per BPA Call.
C-6.11 Miscellaneous Identified Task (Item 0011): Payment will be made at the quoted price per BPA Call.
C-6.12 Any differences between the Government and Contractor’s figures of completed work shall be reconciled prior to the Contractor submitting an invoice; otherwise the Government figures will be used for payment.
C-7 INSPECTION
Inspection for Item 0001: Mobilization: - The Government will inspect all equipment at the project site (or pre-work) prior to the utilization of the equipment. Equipment furnished shall be inspected for any leakage of petroleum products and weeds. Equipment with leakage or weeds will not be accepted and will not be permitted to operate on Public lands.
Inspection for Item 0002: Directionally Fall Trees or Snags with Chainsaw: - The Government representative will inspect for:
· Size and length of wood pieces following falling operations.
· Ensure proper trees were cut.
· Orientation of resulting piece after directional felling.
· Damage of trees not designated to be cut.
Inspection for Item 0003: Directionally Pull Trees with Roots Attached with Cable Yarder (Tree Tipping): The Government representative will inspect:
· Root wad attached to tree.
· The proper length of the wood piece.
· Orientation of resulting piece after directional pulling.
· For damage to tail hold and block trees and to standing trees around designated tree for removal.
Inspection for Items 0004 & 0005: Yarding Logs and Trees to an In-stream Structure - The Government representative will inspect for:
· Acceptable level of disturbance to the area, such as stream banks.
· Non-designated disturbance areas were not used.
· Root wad attached to tree.
· Yarding distances
· For damage to tail hold and block trees and to standing trees in the yarding corridor.
Inspection for Item 0006: Configure In-stream Wood Structures - The Government representative will visually inspect structures upon completion. The Government representative will inspect for:
· Trees and logs placed in stream as designed in drawings within BPA Calls.
· Position of wood pieces to make sure they are interlocked with standing riparian trees, a key piece and other in-stream structures.
· Placement of removed bed materials and morphology of redistributed bed materials.
Inspection for Item 0007: Redistribution of Stream Bed Materials - The Government representative will inspect for:
· Amount of Stream Bed material moved.
Inspection for Item 0008: Extract Whole Tree - 12 in. to 36 in. DBH; 80 ft tall - The Government representative will inspect for:
· Total count of trees extracted with root wads attached and the majority of the bole intact.
Inspection for Items 0009: Incentives - The Government representative will inspect:
· Total count of trees tipped that meet incentive criteria (See Specification C-6.9) for incentive pay.
Inspection for Items 0010: Traffic Control - The Government representative will inspect:
· Traffic control system standards being met.
Inspection for Items 0011: Miscellaneous Identified Task - The Government representative will inspect:
· Work completed to specification as shown in BPA Call.
(End of Attachment 1)
File details come from the government source that posted it. Updated .