14-311000 - Site Clearing.pdf
PDF 135 KB Posted
- Solicitation number
- TB2672-NPA
- Issued by
- Salt Lake County, Salt Lake City, Utah
About this file
This is a specification section (Section 311000 - Site Clearing) for the Salt Lake School District's Nibley Park Elementary School project, which is part of a broader pavement rehabilitation and ADA ramp improvement initiative in the northeast parking lot. The site clearing scope includes removing existing trees, shrubs, groundcovers, plants, and grass as indicated on the demolition plan; clearing and grubbing operations; stripping and stockpiling topsoil; removing above- and below-grade site improvements; disconnecting, capping, sealing, or abandoning site utilities; and implementing temporary erosion and sedimentation control measures. A mandatory pre-bid site visit is scheduled for Tuesday, May 26, 2026, at 9:00 A.M. at Nibley Park Elementary School (2785 South 800 East, Salt Lake City, Utah 84106), with all contractors required to attend the meeting in the northeast parking lot. Contractors failing to attend will not be permitted to submit bids. All questions must be submitted in writing through the Bonfire/U3P system or asked during the pre-bid site visit, with official answers provided only through that platform or via authorized addenda.
The specification establishes detailed execution requirements for site clearing operations, including preparation activities such as protecting benchmarks and survey control points, flagging trees and vegetation to remain or be relocated, and protecting existing site improvements from damage. Contractors must provide comprehensive erosion and sedimentation control measures compliant with EPA 832/R-92-005 standards and local authority requirements, maintain these controls during construction, and remove controls upon completion. The contractor is responsible for locating and identifying utilities, coordinating with utility companies for shutdowns, and arranging removal of underground utilities. Topsoil must be stripped carefully to prevent intermingling with subsoil, stockpiled at heights not exceeding 120 inches, and covered to prevent windblown dust. All cleared materials become the contractor's property and must be removed from the project site, with recyclable materials separated and transported to appropriate facilities. The Owner retains all stripped topsoil and materials specifically indicated to remain the Owner's property.
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Salt Lake School District – Nibley Park School
311000 - 1 Site Clearing
SECTION 311000 - SITE CLEARING
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes the following:
1. Removing existing trees, shrubs, groundcovers, plants, and grass as indicated on demolition plan.
2. Clearing and grubbing.
3. Stripping and stockpiling topsoil.
4. Removing above- and below-grade site improvements.
5. Disconnecting, capping or sealing, abandoning site utilities in place, and removing site utilities.
6. Temporary erosion and sedimentation control measures.
B. Related Sections include the following:
1. Division 01 Section "Temporary Facilities and Controls" for temporary utilities, temporary construction and support facilities, temporary security, protection facilities, and temporary erosion and sedimentation control procedures.
2. Division 01 Section "Temporary Tree and Plant Protection" for protecting trees remaining on-site that are affected by site operations.
3. Division 31 Section "Earth Moving" for soil materials, excavating, backfilling, and site grading.
4. Division 23 Section "Turf, Grasses, and Plants" for finish grading including preparing and placing planting soil mixes and testing of topsoil material.
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 inches in diameter; and free of subsoil and weeds, roots, toxic materials, or other non-soil 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 Owner's property, cleared materials shall become Contractor's property and shall be removed from Project site.
311000 - 2 Site Clearing
1.5 SUBMITTALS
A. Photographs or videotape, 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 Division 01 Section "Project Record Documents," identifying and accurately locating capped utilities and other subsurface structural, electrical, and mechanical conditions.
1.6 QUALITY ASSURANCE
A. Pre-installation Conference: Conduct conference at Project site to comply with requirements in Division 01 Section "Project Management and Coordination."
1.7 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 Owner and authorities having jurisdiction.
2. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction.
B. Improvements on Adjoining Property: Authority for performing site clearing indicated on property adjoining Owner's property will be obtained by Owner before award of Contract.
1. Do not proceed with work on adjoining property until directed by Architect.
C. Salvable Improvements: Carefully remove items indicated to be salvaged and store on Owner's premises where indicated.
D. Utility Locator Service: Notify utility locator service for area where Project is located before site clearing.
E. Do not commence site clearing operations until temporary erosion and sedimentation control measures are in place.
PART 2 - PRODUCTS
2.1 SOIL MATERIALS
A. Satisfactory Soil Materials: Requirements for satisfactory soil materials are specified in Division 31 Section "Earth Moving."
1. Obtain approved borrow soil materials off-site when satisfactory soil materials are not available on-site.
311000 - 3 Site Clearing
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 Owner.
3.2 TEMPORARY EROSION AND SEDIMENTATION CONTROL
A. Provide temporary erosion and sedimentation control measures to prevent soil erosion and discharge of soil-bearing water runoff or airborne dust to adjacent properties and walkways, according to requirements of authorities having jurisdiction, sediment and erosion control Drawings, a sediment and erosion control plan, specific to the site, that complies with EPA 832/R-92-005 or requirements of authorities having jurisdiction, whichever is more stringent.
B. Inspect, repair, and maintain erosion and sedimentation control measures during construction until permanent vegetation has been established.
C. Remove erosion and sedimentation controls and restore and stabilize areas disturbed during removal.
3.3 UTILITIES
A. Owner will arrange for disconnecting and sealing indicated utilities that serve existing structures before site clearing, when requested by Contractor.
1. Verify that utilities have been disconnected and capped before proceeding with site clearing.
B. Locate, identify, disconnect, and seal or cap off utilities indicated to be removed.
1. Arrange with utility companies to shut off indicated utilities.
2. Owner will arrange to shut off indicated utilities when requested by Contractor.
C. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:
1. Notify Architect not less than two days in advance of proposed utility interruptions.
2. Do not proceed with utility interruptions without Architect's written permission.
D. Excavate for and remove underground utilities indicated to be removed.
E. Removal of underground utilities is included in Division 21, Division 22, Division 26, Division 27, and Division 28 Sections covering site utilities.
311000 - 4 Site Clearing
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. Remove 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 non-soil 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.
1. Limit height of topsoil stockpiles to 120 inches.
2. Dispose of excess topsoil as specified for waste material disposal.
3. Stockpile surplus topsoil to allow for re-spreading deeper topsoil.
3.6 SITE IMPROVEMENTS
A. Remove existing above-grade and below-grade improvements as indicated and as necessary to facilitate new construction. Refer to project plans for improvements to be abandoned in place.
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.
311000 - 5 Site Clearing
3.7 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 Owner's property.
1. Separate recyclable materials produced during site clearing from other non-recyclable materials. Store or stockpile without intermixing with other materials and transport them to recycling facilities.
END OF SECTION 311000
| PART 1 - GENERAL |
| 1.1 RELATED DOCUMENTS |
| A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. |
| 1.2 SUMMARY |
| A. This Section includes the following: |
| 1. Removing existing trees, shrubs, groundcovers, plants, and grass as indicated on demolition plan. |
| 2. Clearing and grubbing. |
| 3. Stripping and stockpiling topsoil. |
| 4. Removing above- and below-grade site improvements. |
| 5. Disconnecting, capping or sealing, abandoning site utilities in place, and removing site utilities. |
| 6. Temporary erosion and sedimentation control measures. |
| B. Related Sections include the following: |
| 1. Division 01 Section "Temporary Facilities and Controls" for temporary utilities, temporary construction and support facilities, temporary security, protection facilities, and temporary erosion and sedimentation control procedures. |
| 2. Division 01 Section "Temporary Tree and Plant Protection" for protecting trees remaining on-site that are affected by site operations. |
| 3. Division 31 Section "Earth Moving" for soil materials, excavating, backfilling, and site grading. |
| 4. Division 23 Section "Turf, Grasses, and Plants" for finish grading including preparing and placing planting soil mixes and testing of topsoil material. |
| 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, ... |
| 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 Owner's property, cleared materials shall become Contractor's property and shall be removed from Project site. |
| 1.5 SUBMITTALS |
| A. Photographs or videotape, 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 Division 01 Section "Project Record Documents," identifying and accurately locating capped utilities and other subsurface structural, electrical, and mechanical conditions. |
| 1.6 QUALITY ASSURANCE |
| A. Pre-installation Conference: Conduct conference at Project site to comply with requirements in Division 01 Section "Project Management and Coordination." |
| 1.7 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 Owner and authorities having jurisdiction. |
| 2. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction. |
| B. Improvements on Adjoining Property: Authority for performing site clearing indicated on property adjoining Owner's property will be obtained by Owner before award of Contract. |
| 1. Do not proceed with work on adjoining property until directed by Architect. |
| C. Salvable Improvements: Carefully remove items indicated to be salvaged and store on Owner's premises where indicated. |
| D. Utility Locator Service: Notify utility locator service for area where Project is located before site clearing. |
| E. Do not commence site clearing operations until temporary erosion and sedimentation control measures are in place. |
| PART 2 - PRODUCTS |
| 2.1 SOIL MATERIALS |
| A. Satisfactory Soil Materials: Requirements for satisfactory soil materials are specified in Division 31 Section "Earth Moving." |
| 1. Obtain approved borrow soil materials off-site when satisfactory soil materials are not available on-site. |
| 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 Owner. |
| 3.2 TEMPORARY EROSION AND SEDIMENTATION CONTROL |
| A. Provide temporary erosion and sedimentation control measures to prevent soil erosion and discharge of soil-bearing water runoff or airborne dust to adjacent properties and walkways, according to requirements of authorities having jurisdiction, sedi... |
| B. Inspect, repair, and maintain erosion and sedimentation control measures during construction until permanent vegetation has been established. |
| C. Remove erosion and sedimentation controls and restore and stabilize areas disturbed during removal. |
| 3.3 UTILITIES |
| A. Owner will arrange for disconnecting and sealing indicated utilities that serve existing structures before site clearing, when requested by Contractor. |
| 1. Verify that utilities have been disconnected and capped before proceeding with site clearing. |
| B. Locate, identify, disconnect, and seal or cap off utilities indicated to be removed. |
| 1. Arrange with utility companies to shut off indicated utilities. |
| 2. Owner will arrange to shut off indicated utilities when requested by Contractor. |
| C. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated: |
| 1. Notify Architect not less than two days in advance of proposed utility interruptions. |
| 2. Do not proceed with utility interruptions without Architect's written permission. |
| D. Excavate for and remove underground utilities indicated to be removed. |
| E. Removal of underground utilities is included in Division 21, Division 22, Division 26, Division 27, and Division 28 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. Remove 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 non-soil 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. |
| 1. Limit height of topsoil stockpiles to 120 inches. |
| 2. Dispose of excess topsoil as specified for waste material disposal. |
| 3. Stockpile surplus topsoil to allow for re-spreading deeper topsoil. |
| 3.6 SITE IMPROVEMENTS |
| A. Remove existing above-grade and below-grade improvements as indicated and as necessary to facilitate new construction. Refer to project plans for improvements to be abandoned in place. |
| 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. |
| 3.7 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 Owner's property. |
| 1. Separate recyclable materials produced during site clearing from other non-recyclable materials. Store or stockpile without intermixing with other materials and transport them to recycling facilities. |
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