56-Sec 31 11 00 Clearing and Grubbing.pdf
PDF 87 KB Posted
- Attached to
- 2201256.01 - Whistlestop Park
- Solicitation number
- US.160528
- Issued by
- Montgomery County, Pennsylvania
About this file
This is a technical specifications document for clearing and grubbing work prepared for Montgomery Township, Pennsylvania in connection with the Whistlestop Park project. The document outlines the scope of clearing and grubbing operations necessary to prepare the site for construction, including removal of trees, brush, vegetation, debris, and obstructions; removal of stumps, roots, and organic materials from below ground; stripping and stockpiling of topsoil; and disposal of resulting debris. The contractor must notify the Engineer at least 48 hours before beginning clearing work, protect designated trees and landscape features with temporary fencing, and coordinate tree removal with the Resident Project Representative. Turf clearing, grubbing, and topsoil stripping must be staged to limit erosion exposure, with utility demolition and installation work limited to trenching lengths that can be completed in a single day. Grubbing operations must remove roots and objectionable material to a minimum depth of eight inches. The contractor shall remove all stumps within cleared areas unless otherwise authorized and must repair any injuries to bark, trunks, limbs, and roots of remaining plants using approved arboricultural practices. Trees, shrubs, and plants designated to be saved that are permanently injured or die during construction must be replaced with like species.
The contractor is responsible for all clearing and grubbing debris disposal at locations outside the Owner's property, easements, and public right-of-ways, with written agreements required from property owners where debris will be deposited. Debris may not be burned on-site or buried at the project site, easements, or public right-of-ways. The contractor must comply with Pennsylvania Act 287 (1974) as amended by PA Act 121 (2008) regarding utility relocations and must provide at least five days' advance notice to private property owners whose enclosure fences encroach on the work area. Temporary fencing materials must consist of four-foot-high undamaged picket snow fence or orange open mesh plastic construction fencing with six-foot soil-set studded "T" type fence posts. All tree wound dressing must be antiseptic, waterproof, and asphalt-based. Topsoil stripped from areas to be excavated, filled, or graded shall be stockpiled at a location approved by the Resident Project Representative for use in finish grading and cannot be used as backfill or removed from the site.
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Text version
CLEARING AND GRUBBING
31 11 00-1
SECTION 31 11 00
PART 1 - GENERAL
1.01 SECTION DESCRIPTION
A. The Work of This Section Includes:
1. Clearing
2. Grubbing
3. Stripping and stockpiling topsoil
4. Debris disposal
B. Definitions:
1. Clearing is defined as the removal of trees, brush, down timber, rotten wood, rubbish, any other vegetation, and objectionable material at or above original ground elevation not designated to be saved. Clearing also includes removal of fences, walls, guard posts, guard rail, signs, and other obstructions interfering with the proposed work.
2. Grubbing is defined as the removal from below the surface of the natural ground of stumps, roots and stubs, brush, organic materials and debris.
1.02 RELATED SECTIONS
A. Related Work Specified Elsewhere:
1. Section 01 57 13: Soil Erosion and Sediment Control
2. Section 31 23 33: Excavation, Backfill and Compaction
3. Section 32 92 00: Finish Grading, Seeding and Sodding
1.03 JOB CONDITIONS
A. Contractor may clear all obstructions within permanent and temporary construction easements and within the limit of disturbance of Owner's property as absolutely necessary to perform the construction work. Contractor shall leave as many trees as possible within the work area and shall not disturb portions of Owner's property beyond the limit of disturbance indicated on the Plans. Removal of trees shall be coordinated with the Resident Project Representative.
1.04 SUBMITTALS
A. Agreements for Disposal of Debris:
1. Arrange for disposal of debris resulting from clearing and grubbing to locations outside Owner's property, easements and public right-of-ways and obtain a written agreement with the owners of each property where the debris will be deposited.
2. Submit two (2) copies of the agreement with each property owner releasing Owner from responsibility in connection with the disposal of the debris.
31 11 00-2
PART 2 - PRODUCTS
2.01 MATERIALS
A. Temporary Fencing:
1. Undamaged picket snow fence, 4' high, formed of wooden slats, tightly woven with wire cable or orange, open mesh plastic construction fencing, 4' high, or other acceptable, highly visible, weather resistant, easily maintained fencing that provides a substantial barrier.
2. Soil-set fence posts, studded "T" type, 6' high.
B. Tree Wound Dressing:
1. Antiseptic and waterproof, asphalt base.
PART 3 - EXECUTION
3.01 PREPARATION
A. Notify Engineer at least 48 hours prior to beginning any clearing work.
B. Protect benchmarks, utilities, existing trees, shrubs and other landscape features designated for preservation with temporary fencing or barricades satisfactory to the Resident Project Representative. No material shall be stored or construction operation carried on within four
(4) feet of any tree to be saved or within the tree protection fence.
C. If a private enclosure fence encroaches on the work area, notify the property owner at least five (5) days in advance of the clearing/grubbing operations to permit the property owner to remove it, construct a supplemental fence, or make such other arrangements as may be necessary for security purposes. Upon failure of the property owner to reasonably proceed with the work required to secure his property, carefully remove the fence, in whole or in part, and neatly pile the materials on the property owner's property.
3.02 UTILITY RELOCATIONS
A. Inform all companies, individuals and others owning or controlling facilities or structures within the limits of the work which have to be relocated, adjusted or reconstructed in sufficient time for the utility to organize and perform such work in conjunction with or in advance of Contractor's operations.
B. Comply with the provisions of PA Act 287 (1974) as last amended by PA Act 121 (2008).
3.03 CLEARING
A. Confine clearing as required to within the limits of the public right-of-ways, easements and Owner's property. Attention is called to Paragraph 1.03 of this Section.
B. Fell trees in a manner that will avoid damage to trees, shrubs, and other installations which are to remain.
C. Where stumps are not required to be grubbed, they shall be flushcut with ground elevation.
31 11 00-3
3.04 GRUBBING
A. Turf clearing and grubbing shall be staged to limit exposure and potential erosion. For utility demolition, removal, and construction, stages shall be limited to that length of trench which may be demolished, removed, and/or installed and backfilled in one (1) day.
B. Grub areas within the construction limits to remove roots and other objectionable material to a minimum depth of 8".
C. Remove all stumps within the cleared areas unless otherwise authorized by the Resident
Project Representative.
3.05 STRIPPING AND STOCKPILING TOPSOIL
A. Stripping of topsoil shall be staged to limit exposure and potential erosion. For utility demolition, removal, and construction, stages shall be limited to that length of trench which may be demolished, removed, and/or installed and backfilled in one (1) day.
B. Strip topsoil to whatever depth it may occur from areas to be excavated, filled, or graded and stockpile at a location approved by the Resident Project Representative for use in finish grading.
C. Topsoil shall not be used as backfill or removed from the site.
3.06 DEBRIS DISPOSAL
A. Trees, logs, branches, brush, stumps, and other debris resulting from clearing and grubbing operations associated with the Work on the Project site and/or within off-site easements/public right-of-ways shall become the property of Contractor and shall be disposed of legally.
B. Debris resulting from the clearing and grubbing work shall not be deposited or buried on the
Project site, easements or public right-of-ways.
C. Debris may not be burned on-site.
3.07 RESTORATION
A. Repair all injuries to bark, trunk, limbs, and roots of remaining plants by properly dressing, cutting, tracing and painting, using approved arboricultural practices and materials.
B. Replace trees, shrubs and plants designated to be saved which are permanently injured or die during the Contract or the maintenance period as a result of construction operations with like species acceptable to the property owner.
C. Remove protective fences, enclosures and guards upon the completion of the project.
D. Restore guard posts, guard rail, signs and other interferences to the condition equal to that existing before construction operations.
END OF SECTION
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