Loading...
HomeMy WebLinkAbout31-1000-Site-Clearing_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 31 1000 Site Clearing 1 of 5 31 1000 Site Clearing PART 1 - GENERAL 1.1 GENERAL PROVISIONS A. Attention is directed to the CONTRACT AND GENERAL CONDITIONS and all Sections within DIVISION 01 - GENERAL REQUIREMENTS which are hereby made a part of this Section of the Specifications. 1.2 DESCRIPTION OF WORK A. Work Included: Provide labor, materials and equipment necessary to complete the work of this Section, including but not limited to the following: 1. Protecting existing trees and vegetation to remain, including temporary fencing for trees in close proximity to construction operations. 2. Removing existing trees and vegetation indicated to be removed. 3. Clearing and grubbing. 4. Stripping and stockpiling topsoil. 5. Removing above and below grade site improvements. 6. Disconnecting, capping or sealing of utilities as required. B. Alternates: Not Applicable. C. Items To Be Installed Only: Not Applicable. D. Items To Be Furnished Only: Not Applicable. E. Related Work: The following items are not included in this Section and will be performed under the designated Sections: 1. Section 31 2000 – EARTH WORK for soil materials, excavating, backfilling, and grading for the building, structures, slabs on grade, walls and foundations. 2. Section 31 0000 - EARTH MOVING for soil materials, excavating, backfilling, and site grading and removal of site utilities. 3. Section 31 2500 - EROSION AND SEDIMENATION CONTROLS for required erosion and sedimentation control measures. 4. Provision of waste management: Section 01 7419, Construction of Waste Management Plan. 5. Provision of General LEED requirements and forms: 01 8113 Sustainable Design Requirements. 1.3 DEFINITIONS A. Topsoil: Natural or cultivated surface-soil layer containing organic matter and sand, silt, and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects more than 2 Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 31 1000 Site Clearing 2 of 5 inches in diameter; and free of subsoil and weeds, roots, toxic materials, or other nonsoil materials. B. Tree Protection Zone: Area surrounding individual trees or groups of trees to be protected during construction and defined by the drip line of individual trees or the perimeter drip line of groups of trees, unless otherwise indicated. 1.4 MATERIAL OWNERSHIP A. Except for stripped topsoil or other materials indicated to remain the Town of Yarmouth’s property, cleared materials shall become Contractor's property and shall be removed from Project site. 1.5 SUBMITTALS A. Photographs sufficiently detailed, of existing conditions of trees and plantings, adjoining construction, and site improvements that might be misconstrued as damage caused by site clearing. B. Record drawings, according to Section 01 7700 - CONTRACT CLOSEOUT identifying and accurately locating capped utilities and other subsurface structural, electrical, and mechanical conditions. 1.6 PROJECT CONDITIONS A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site-clearing operations. 1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from the Project Manager and authorities having jurisdiction. 2. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction. B. Salvagable Improvements: Carefully remove items indicated to be salvaged and store on User Agency's premises where indicated. C. Utility Locator Service: Notify utility locator service for area where Project is located before site clearing. D. Do not commence site clearing operations until erosion and sedimentation control measures are in place. E. Protection of Existing Improvements: Provide protection necessary to prevent damage to existing improvements indicated to remain in place or outside of the limit of work. Protect improvements on adjoining properties and on User Agency’s property. 1. Restore improvements damaged by Contractor’s clearing activities to their original condition, at no additional expense to the Town of Yarmouth. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 31 1000 Site Clearing 3 of 5 PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION 3.1 PREPARATION A. Protect and maintain benchmarks and survey control points from disturbance during construction. B. Locate and clearly flag trees and vegetation to remain or to be relocated. C. Protect existing site improvements to remain from damage during construction. 1. Restore damaged improvements to their original condition, as acceptable to the Architect. 3.2 TREE PROTECTION A. Erect and maintain temporary fencing around tree protection zones before starting site clearing. Remove fence when construction is complete. 1. Do not store construction materials, debris, or excavated material within fenced area. 2. Do not permit vehicles, equipment, or foot traffic within fenced area. 3. Maintain fenced area free of weeds and trash. 4. Except as otherwise directed, cutting and trimming of existing trees will not be permitted. B. Do not excavate within tree protection zones, unless otherwise indicated. C. Where excavation for new construction is required within tree protection zones, hand clear and excavate to minimize damage to root systems. Use narrow-tine spading forks, comb soil to expose roots, and cleanly cut roots as close to excavation as possible. 1. Cover exposed roots with burlap and water regularly. 2. Temporarily support and protect roots from damage until they are permanently redirected and covered with soil. 3. Coat cut faces of roots more than 1-1/2 inches in diameter with an emulsified asphalt or other approved coating formulated for use on damaged plant tissues. 4. Backfill with soil as soon as possible. D. Repair or replace trees and vegetation indicated to remain that are damaged by construction operations, in a manner approved by the Architect. 1. Employ an arborist, licensed in jurisdiction where Project is located, to submit details of proposed repairs and to repair damage to trees and shrubs. 2. Replace trees that cannot be repaired and restored to full-growth status, as determined by the Architect. 3.3 UTILITIES A. Locate, identify, disconnect, and seal or cap off utilities indicated to be removed. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 31 1000 Site Clearing 4 of 5 1. Arrange with utility companies to shut off indicated utilities. B. Existing Utilities: Do not interrupt utilities serving facilities occupied by the Town of Yarmouth Project Manager or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated: 1. Notify the Architect not less than two days in advance of proposed utility interruptions. 2. Do not proceed with utility interruptions without the Town of Yarmouth’s written permission. C. Removal of underground utilities is included in Section 31 0000 – EARTH MOVING. D. Removal of underground utilities is included in Division 2 Sections covering site utilities. 3.4 CLEARING AND GRUBBING A. Remove obstructions, trees, shrubs, grass, and other vegetation to permit installation of new construction. 1. Do not remove trees, shrubs, and other vegetation indicated to remain or to be relocated. 2. Cut minor roots and branches of trees indicated to remain in a clean and careful manner where such roots and branches obstruct installation of new construction. 3. Grind stumps and remove roots, obstructions, and debris extending to a depth of 18 inches below exposed subgrade. 4. Use only hand methods for grubbing within tree protection zone. 5. Chip removed tree branches and dispose of off-site. B. Fill depressions caused by clearing and grubbing operations with satisfactory soil material unless further excavation or earthwork is indicated. 1. Place fill material in horizontal layers not exceeding a loose depth of 8 inches and compact each layer to a density equal to adjacent original ground. 3.5 TOPSOIL STRIPPING A. Remove sod and grass before stripping topsoil. B. Strip topsoil to whatever depths are encountered in a manner to prevent intermingling with underlying subsoil or other waste materials. 1. Remove subsoil and nonsoil materials from topsoil, including trash, debris, weeds, roots, and other waste materials. C. Stockpile topsoil materials away from edge of excavations without intermixing with subsoil. Grade and shape stockpiles to drain surface water. Cover to prevent windblown dust or contamination by air-borne weed seed. 1. Limit height of topsoil stockpiles to 72 inches. 2. Do not stockpile topsoil within tree protection zones. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 31 1000 Site Clearing 5 of 5 3.6 EXCESS TOPSOIL A. Topsoil that has been stripped and stockpiled, but is not needed after the completion of all final topsoil spreading and grassing, shall be stockpiled on site in a location to be approved by the User Agency and shall remain the property of the Town of Yarmouth. 3.7 SITE IMPROVEMENTS A. Remove existing above- and below-grade improvements as indicated and as necessary to facilitate new construction. B. Remove slabs, paving, curbs, gutters, and aggregate base as indicated. 1. Unless existing full-depth joints coincide with line of demolition, neatly saw-cut length of existing pavement to remain before removing existing pavement. Saw-cut faces vertically. 2. Paint cut ends of steel reinforcement in concrete to remain to prevent corrosion. 3.8 DISPOSAL A. Disposal: Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off the Town of Yarmouth’s property. 1. Burning on site is prohibited. 2. Separate recyclable materials produced during site clearing from other nonrecyclable materials. Store or stockpile without intermixing with other materials and transport them to recycling facilities. END SECTION (THIS PAGE IS BLANK)