06_Division_02_Specifications_Redacted2.pdf

CUYAHOGA VALLEY

NATIONAL PARK

Ohio

Stabilize Riverbank Along T wpath Trail Near MM 20

CUVA

PMIS NO. 2248 2

PROJECT SPECIFI ATIONS

NATIONAL PARK SERVICE

May 2026

DRAFT

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TABLE OF CONTENTS

TABLE OF CONTENTS

DIVISION 01 — GENERAL REQUIREMENTS

01 11 00 - SUMMARY OF WORK

01 26 01 - CONTRACT MODIFICATION PROCEDURES

01 27 00 - DEFINITION OF CONTRACT LINE ITEMS

01 31 00 - PROJECT MANAGEMENT AND COORDINATION

01 32 16 - CONSTRUCTION SCHEDULE

01 32 33 - PHOTO DOCUMENTATION

01 33 23 - SUBMITTAL PROCEDURES

01 35 13.22 - ARCHEOLOGICAL PROTECTION

01 35 23 - SAFETY REQUIREMENTS

01 40 00 - QUALITY REQUIREMENTS

01 42 00 - REFERENCE STANDARDS

01 50 00 - TEMPORARY FACILITIES AND CONTROLS

01 56 39 - TEMPORARY TREE AND PLANT PROTECTIO

01 57 19.12 - NOISE AND ACCOUSTICS MANAGEME T

01 57 23 - TEMPORARY STORM WATER POLLUTION EVENT N

01 67 00 - PRODUCT REQUIREMENTS

01 73 40 - EXECUTION

01 74 19 - CONSTRUCTION WASTE MANAGEMENT AND DIS SAL

01 77 00 - CLOSEOUT PROCEDURES

01 78 23 - OPERATION AND MAINTENANC DATA

01 79 00 - DEMONSTRATION AND TRAININ

DIVISION 02 — EXISTING ND TIONS

02 21 13 - SITE SURVEYS

02 41 00 - DEMOLITIO

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TABLE OF CONTENTS

DIVISION 31 — EARTHWORK

31 10 00 - SITE CLEARING

31 22 00 - SITE GRADING

31 23 00 - EARTHWORK

31 23 17 - ROCK EXCAVATION

31 23 19 - DEWATERING

31 23 33 - TRENCHING, BACKFILLING, AND COMPACTING FOR UTILITIES

31 32 19 - GEOTEXTILES

31 32 19.13 - GEOGRID SOIL STABILIZATION

31 37 00 - RIPRAP

DIVISION 32 — EXTERIOR IMPROVEMENTS

32 15 40 - CRUSHED STONE SURFACING

32 91 13 - TOPSOILING AND FINISHED GRADING

32 92 00 - SEEDING, SODDING AND LANDSCAPING

D I V I S I O N 0 2

EXISTING CONDITIONS

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SITE SURVEYS

SECTION 02 21 13 - SITE SURVEYS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Underground utility locate.

2. Measurement and mapping of all local site features, easem nts, u ty locates and legal monuments.

3. Photography of local site features and legal monum ts.

4. Mapping of all site easements.

5. Placement of local control for site work.

6. Placement of soil boring locations for geot hnical investi ation.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. National Society of Professiona urveyors

a. Minimum Standard Detail R qui ments for ALTA/NSPS Land Title Surveys, 2/16.

B. General:

1. Furnish a ecessar quipm rials, and labor to effectively measure the site in accordance h ese Specifications. Additional local surveying requirements for local l tting, mappi etc., shall be researched and followed by the surveyor.

2 The C ractor sh be responsible for all damage to public and private property resulting m the op tions of its employees.

3. The Contra r shall be responsible for gaining permission to access any site(s) required for surveying Any site-specific training to access the property shall be the responsibility of the Contra or.

1.3 DEFINI ON

A. “Contractor” shall mean person, firm, or corporation with whom the Owner may enter into contract for execution of work specified relating to the Survey of the site.

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1.4 SUBMITTALS

A. Topographical Survey:

1. Submit to the Contracting Officer’s Representative complete CAD files within two weeks after field visit.

2. CAD file shall be AutoCAD Civil 3D files with 3D points and TIN (Triangulated

Irregular Network) surfaces of topography included. All site features shall be drawn and included within CAD file. Contractor shall receive Contracting Offi er’s approval to use different CAD software.

3. TIN surface(s) shall be exported as individual .XML format fil . XML files shall be delivered with CAD files.

4. Point files of all field survey data, including control shall e deliv d in .csv format.

Any point code description data sets shall be included with point file

5. Submit PDF of the completed topography survey t he Contracting Off r’s

Representative.

B. Site Photos:

1. Field survey photos shall be included with the og phical survey.

C. Site Staking:

1. Provide site control staking as quired f ite work.

2. Provide soil boring staking as re ired for g ical investigation drilling. Soil boring shall be clearly marked an abele

PART 2 - PRODUCTS - (N T USED)

PART 3 - EXECUTION

3.1 SURVEY

A The following sha e included in the final topography survey:

Survey datum nd units: the vertical and horizontals datum shall meet state and local guidelines. he datum and units shall be provided with the survey, including coordinate ystem, f units (international, U.S. survey), ground conversion factors (as applicable), et

a. All surveys shall be spatially tied in and geo-referenced. A datum specific only to the work area shall not be used.

b. The contractor shall provide all digital source data (i.e., for Trimble equipment, the

.job file) and the RTK survey report.

2. Site topography and bathymetry including but not limited to:

a. Existing ground topography shall be recorded with a maximum grid spacing of 30

FT. Topography shall be presented in 1 FT intervals unless otherwise noted.

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b. Grade breaks, including but not limited to: berms (tops and toes), depressions, ditches, swales, drainages, hills, rock piles, steep hill faces, Towpath and other trails, topsoil piles, road shoulders, road centerlines, waterlines, wetlands, trees, shrubs, storm water ponds, sidewalks, curbs, and flow lines.

c. Existing bathymetry including top of bank, edge of water, toes of slope and other grade breaks to define river bank and bed within 30 FT of proposed work area.

d. All roads surrounding public and private roads shall be surveyed, including centerline, edge of asphalt, intersections, shoulder, culverts, and drainage ditches.

Private access roads shall be provided, including two tracks (b th tracks to allow for rebuilding if needed).

e. Adjacent property topography information shall be prov ed up to 100 FT past the proposed work area, unless otherwise noted by the C tr ing Officer. Additional topography past the initial work area shall includ ny utilit (road, storm water, sanitary, electric) that may need updating due to the proposed rk.

B. Easements: All utility, property, landscape, road, road ght-of-way, floodplain, a d public and private easement information shall be included and splayed with the survey file fo plat and/or site work. Road centerlines shall be provided fo ructure setb k requirements.

1. Research of site easements shall be the Contra r’s sponsibility prior to site surveying.

a. Title reports shall be req sted as needed by t Contractor.

C. Monuments: All monuments shall be learly su ed and labe d within the survey file. All section corners and existing property p s shall be c Research of monuments shall be the responsibility of the Contractor prior to e visi

D. Control shall be clea y estab ed on the e. Contractor will be responsible for establishing a minimum of thre ontrol poin that can be cated within the site work area. Control shall be clearly establis d in an area t at will preser he horizontal and vertical information. Marked rebar (12 IN m imum depth h used for control points.

E. Underground utiliti all be located and surveyed in via Ohio Utilities Protection Service

(OH locate ser es. All private and public underground utilities shall be located.

U lities survey formati shall include the name of the corresponding utility company with the field marking

F. Power and electrica tilities shall be located and surveyed. All power poles, anchors, electrical s ctures, etc., sha be surveyed. Overhead electric lines crossing the survey site shall have the nex djacent pol ) in all directions surveyed in. Utility owner information shall be provided with s ey.

G. Any additional surface utilities, including but not limited to: manholes, light structures, storm drains, fiber optics, railroads, inlets, utility boxes, hydrants, and valves shall be provided.

Research of site utilities shall be completed prior to field survey visit.

H. All visible site structures, including but not limited to: buildings, fences, gates, junk piles, signs, mailboxes, concrete structures (top and bottom of concrete), walk paths, and cattle guards shall be surveyed.

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I. Culverts shall be located and surveyed; inlets and outlet elevation shall be provided along with culvert size and type.

J. A 3D TIN surface shall be developed with the approved CAD software. Contractor shall review and prepare a 3D TIN surface to be used for grading and volume calculations.

K. Survey notes and legend information shall be included in survey deliverables.

L. Site photos shall include site features, including but not limited major stru ure, utilities or any additional items that may require removal to allow for site work. Adjac t roads, structures, property boundaries, etc., shall be photographed. All storm drains, c erts, and storm structures shall be clearly photographed.

3.2 WORKMANSHIP AND METHODS

A. Provide equipment capable of recording horizontal a vertical measurements with 1/100 FT degree of accuracy.

B. Contractor is responsible for meeting local surveying est p ctices and plat recording requirements.

C. Contractor is responsible for provid g a itional survey equ ment if needed when GPS equipment may not be suitable.

D. Aerial surveys are not to be used unless quest and appr ed by the Contracting Officer.

END OF SECTION 02 21 13

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DEMOLITION

SECTION 02 41 00 - DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. General provisions applicable to all demolition and removal

2. Civil/site demolition and removals.

3. Structural demolition and removals.

4. Disposal of demolition debris, materials, and equip nt.

B. Scope:

1. Contractor shall provide all labor, material quipment ols, and incidentals as shown, specified and required for demolition, remov and sposal Work.

2. The Work under this Specifications section inclu but is not necessarily limited to:

a. Demolition and remov o isting materials a quired. The Work includes demolition of structural ncrete ndations, wa attachments, appurtenances, piping, electrical utilities, avement, idewalks, fencing, and similar existing materials and items.

3. Demolitions an em ls indicated other Specifications sections shall comply with requirement of this Spe fications se ion.

4. Pay all c s associated ith transport and, as applicable, disposing of materials and equipm t resulting fr m demolition and removals Work.

C. Related Requireme :

1 Sectio 1 74 19 onstruction Waste Management and Disposal

. Section 3 0 00 - Si Clearing.

3. Section 31 2 17 - Rock Excavation.

1.2 Q LITY ASSURANCE

A. Referen d S dards:

1. National Fire Protection Association (NFPA):

a. 241, Safeguarding Construction, Alteration, and Demolition Operations.

B. Regulatory Requirements:

1. Demolition, removals, and disposal Work shall be in accordance with 29 CFR 1926.850 through 29 CFR 1926.860 (Subpart T – Demolition), and all other Laws and Regulations.

2. Comply with requirements of authorities having jurisdiction.

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C. Qualifications:

1. Electrical Removals: Entity and personnel performing electrical removals shall be electrician(s) legally qualified to perform electrical construction and electrical work in the jurisdiction where the Site is located.

1.3 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Review procedures under this and other Specifications secti d coordinate the Work that will be performed with or before demolition and rem als.

1.4 SUBMITTALS

A. Informational Submittals: Submit the following:

1. Procedure Submittals:

a. Demolition and Removal Plan: Not less than n days prior to starting demolition

Work, submit acceptab p for demolition an emoval Work, including:

1) Plan for coordinati shut-offs ing, temporary services, and continuing utility services.

2) Other proposed proce re as applicable.

3) E pme proposed f use in demolition operations.

4) Recycling/ posal facil (ies) proposed, including facility owner, facility name, loca on, and proce es. Include copy of appropriate permits and licenses d compliance s atus.

5) Plann demoliti ating sequences.

6) led schedule of demolition Work in accordance with the Schedule ac ted by Contracting Officer.

. Notificati of Inten d Demolition Start: Submit in accordance with Paragraph 3.1.A of this Specifi ions Section.

3. Qualification Statements:

a. Nam nd qualifications of entity performing electrical removals, including copy of enses required by authorities having jurisdiction.

1.5 SITE CONDITIONS

A. Owner makes no representation of condition or structural integrity of area(s) to be demolished or where removals are required.

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PART 2 - PRODUCTS - (NOT USED)

PART 3 - EXECUTION

3.1 PREPARATION

A. Notification:

1. Not less than 48 HRS prior to commencing demolition or remo l, advise Contracting

Officer’s Representative in writing of planned start of demo Work. Do not start removals without permission of Contracting Officer.

2. Where demolition or removals has potential to affect adjacent prope s, coordinate with

Contracting Officer’s Representative for notificatio

3. In accordance with Laws and Regulations, furni to authorities having ju diction, including emergency services as necessary, ap opriate notices of planned d olition and removals.

B. Protection of Adjacent Areas and Facilities:

1. Perform demolition and removal Work in manner t prevents damage and injury to property, structures, occupant th blic, and faciliti Do not interfere with use of, and free and safe access to and om, str res and prop es unless allowed in writing by Contracting Officer.

2. Closing or obstructing of roads, d ves, si walks, an passageways adjacent to the Work is not allowed unl approved in iti g by Contracting Officer. Conduct the Work with minimum nterfer ce to vehic r and pedestrian traffic.

3. Provide tem orary parti ns between emolition work areas and (a) areas that will be occupie uring demoli on and remov s, and (b) areas accessible to the public or visitors Maintain tem or artitions in place until demolition and removals work in the subjec ea is mplete or u ther Work requires removal of temporary partitions.

4. Provide appr te temporary barriers and other necessary protection.

5. damage facilities that are to remain when such damages result from

Contra ’s opera ns.

6. Protecting isting im ovements that are to remain in place, be reused, or remain the property of Owner. At no additional expense to the Owner, repair all items that are damaged dur g performance of the Work to their original condition, or replace with new. Do not erload pavements or surfaces to remain.

C. Existin Utiliti In addition to requirements of the General Conditions, Supplementary

Conditio d Division 01 Specifications, perform the following:

1. Should unforeseen, unknown, or incorrectly shown or indicated Underground Facilities be encountered, Contractor responsibilities shall be in accordance with the General

Conditions as may be modified by the Supplementary Conditions. Cooperate with utility owners in keeping adjacent services and facilities in operation.

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2. Storm Water Sewerage: Existing storm water system shall remain in place until demolition is complete. Upon completing demolition, cut and cap storm sewerage.

Remove existing storm water piping and related structures between points of cutting, and backfill, restore to grade, and stabilize the area over the removed facilities in accordance with the Contract Documents.

3. Other Utilities: Before proceeding with demolition, locate and cap as required all other utilities, such as gas; electric; and communications; and any service laterals serving the structure being demolished.

4. Shutdown of utility services shall be coordinated by Contractor; Co ractor is responsible for contacting utility owners.

D. Remediation:

1. If unanticipated Hazardous Environmental Condition is believed to b ncountered during demolition and removals, comply with requ ments of the Gene Conditions, as may be modified by the Supplementary Conditi s.

3.2 DEMOLITION - GENERAL

A. Locate construction equipment used for demolition Wo nd remove demolished materials and equipment to avoid imposing excessive loading on stream ks, excavations, slopes and adjacent structures, facilities and Un erg d Facilities.

B. Pollution Controls:

1. Use water sprinkli temporary en o res, and other suitable methods to limit emissions of d t and to lowest actical level. Comply with Section 01 57 23 -

Temporary orm Wate ollution Pr ention.

2. Do not u water when ater may crea hazardous or objectionable conditions such as icing, f ding, or pol i

3. Clean adja nt stru ures, facilitie properties, and improvements of dust, dirt, and debris caused by de ion Work, in accordance with the General Conditions.

C. E plosives:

1. Explosives not allowed at the Site. Do not use explosives for demolition and removal

Work.

D. Sal ge and Own hip:

1. M ri s and equipment to remain Owner’s property shall be:

a. Protected from damage.

E. Finishing of Surfaces Exposed by Removals: Unless otherwise shown or indicated in the

Contract Documents, surfaces exposed by removals, and that will remain as finished surfaces, shall be repaired and re-finished with materials that match existing adjacent surface, or as otherwise approved by Contracting Officer.

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3.3 STRUCTURAL REMOVALS

A. Remove structures to lines and grades shown or indicated, unless otherwise directed by the

Contracting Officer. Where limits are not shown or indicated, limits shall be four inches outside item to be installed. Removals beyond limits shown or indicated shall be at

Contractor’s risk and expense and such excess removals shall be reconstructed to satisfaction of

Contracting Officer without additional cost to Owner.

B. Recycling and Reuse of Demolition Materials:

1. All concrete, brick, masonry, reinforcing steel, structural metal miscellaneous metals, and other items contained in or upon the structure to be dem i d shall be removed, transported, and disposed of away from the Site, unless o erwise proved by

Contracting Officer.

2. Do not use demolished materials as fill or backfill jacent to structures trenches, or as subbase under structures or pavement.

C. After removing concrete and masonry walls or p ions thereof labs, and similar construction that ties in to the Work or to existing construction atly rep the junction point to leave exposed only finished edges and finished surfaces.

D. Removal of Anchorages and Protrudi g Metals:

1. Where equipment or material a hored t crete or ma nry are removed and anchors are not to be re-used, and where isting m l d to be removed) protrude from concrete, remove the anchors and her m tal to not l ss than 1.5 IN beneath surface of concrete or mason ember. Rep r e resulting hole, using repair mortar for concrete and grout for asonry, be flush w h the surface.

2. Alternately when the an or is stainl s steel, the anchor may be cut flush with the surface the concrete masonry.

E. Where anchoring ateria including b , nuts, hangers, welds, and reinforcing steel, are required to attach th ork to existing construction, provide such materials under this

Spe s section, less specified elsewhere in the Contract Documents.

3.4 DEMOLITION OF ITE IMPROVEMENTS

A. P vement, Sidewalk Curbs, and Gutters:

1. moliti of asphalt or concrete pavement, sidewalks, curbs, and gutters, as applicable, sh t minate at cut edges. Edges shall be linear and have a vertical cut face.

2. To cut pavement, sidewalks, curbs, and gutters, use machinery or tools that provides a smooth-cut edge, appropriate for the required. Where cut edges are not smooth, repair the cut edge to remain to provide a smooth, even appearance.

B. Fencing, Guardrails, and Bollards:

1. Completely remove below-grade posts and concrete.

C. Manholes, Vaults, Chambers, and Handholes:

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1. If not shown or indicated on the Drawings, remove to not less than three feet below finished grade indicated on the Drawings.

D. Underground Facilities Other than Manholes, Vaults, Chambers, and Handholes:

1. Unless otherwise shown or indicated, cap ends of piping to remain in place in accordance with the “Mechanical Removals” Article in this Specifications section.

E. Landscaping: Comply with Section 31 10 00 - Site Clearing.

F. Other Site Improvements: When the Contract Documents require rem val of other site improvements not addressed above, copy with Contract requireme s r removal of buildings or structures.

3.5 DISPOSAL OF DEMOLITION DEBRIS

A. Disposal – General:

1. Promptly remove from the Site all debris, wa rubb h, material, and equipment resulting from demolition and removal operation romptly upon completion of demolition and removal operations, remove from th Site construction equipment used in demolition Work.

2. Do not sell at the Site demoliti mater r removed e pment. If materials, equipment or debris will be sold y Contrac ove the items from the Site and perform the sale or transaction els where n accorda ce with Laws and Regulations.

3. Cleaning and Rem l of Debris: om ly with the General Conditions, Supplementary

Conditions, an Sectio 1 74 19 – nstruction Waste Management and Disposal.

B. Transportation d Disposal:

1. Non-Haza ous M rials, Equ p t, and Debris: Properly transport and dispose of non-hazardo d molition materials, equipment, and debris at appropriate landfill or suitable l tion, in accordance with Laws and Regulations. Non-hazardous materi does not tain Constituents of Concern such as (but not limited to) asbestos, PCBs, pet eum, haz dous waste, radioactive material, or other material designated as hazardous in aws or Regulations.

2 Hazardous M erials, Equipment, and Debris: When handling and disposal of items containing C stituents of Concern is included in the Work, properly transport and dispose of s h items in accordance with the Contract Documents and Laws and gulati s.

C. Submit to Contracting Officer information required in this Specification Section on proposed facility(ies) where demolition materials, equipment, and debris will be recycled. Upon request, Engineer or Owner, shall be allowed to visit recycling facility(ies) to verify adequacy and compliance status. During such visits, recycling facility operator shall cooperate and assist

Engineer and Owner.

END OF SECTION 02 41 00

D I V I S I O N 3 1

EARTHWORK

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SITE CLEARING

SECTION 31 10 00 - SITE CLEARING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Site clearing Work, including:

a. General provisions for site clearing Work.

b. Preparation for site clearing Work.

c. Clearing and grubbing.

d. Tree protection, selective removals, an elective trimming.

e. Disposal and cleaning.

B. Related Requirements: Include but are not necessari limit to:

1. Section 02 41 00 - Demolition

2. Section 31 23 00 - Earthwork

3. Section 01 35 13.22 - Archeolo ical Pr ion.

1.2 REFERENCES

A. Terminology:

1. Terms dicated below re not defined rms indicated with initial capital letters but, when use n this S ion, ha eanings indicated below:

“Arboris means Subcontractor retained to perform Work requiring a specialist in es, shrub brush, other vegetation of the types existing at the Site, and po ssing no ss than the required qualifications indicated in this Section.

b. “Cle ng and grubbing” means removing and disposing of all: (1) trees, brush, and other getation, logs, and similar items (“clearing”); and (2) stumps, roots, logs, rubbis and debris on or in the soil (“grubbing”) after Clearing. Clearing and grubb g includes grinding and removing of stumps. When clearing and grubbing, and quired demolition Work is complete, the Site will be ready for grading and er new construction.

c. Demolition” means removal, whether in whole or in part, of existing human-made construction, such as removal of buildings, structures, and building systems; site work (such as pavement, curbs, sidewalks, gutters) and the like; Underground

Facilities; and other existing construction.

d. “Selective removal” means removal of specific trees, shrubs, brush, and other vegetation as shown or indicated in the Contract Documents.

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e. “Selective trimming” means removal of selected parts of trees, shrubs, brush, and other vegetation, performed by arborist, for the purpose of either: (1) allowing installation of new construction adjacent to or through the tree, shrub, brush, or vegetation, or (2) removing damaged or unhealthy growth, to allow balance of the subject tree, shrub, brush, or vegetation to continue normal, healthy growth.

f. “Site clearing” means all the Work required by this Section and related Drawings.

g. “Topsoil” means existing material at the Site, visible after clearing and grubbing, to be stripped, when such material is friable, clay loam, surface soil present in depth of not less than four inches. Topsoil shall be free of sub oil, clay lumps, stones, and other objects over two-inch diameter and other bjectionable material.

Topsoil required for planting and landscaping Work in Specifications of

Division 32 may differ from the meaning indicated i hi ection.

B. Reference Standards:

1. ASTM International (ASTM):

a. C700, Standard Specification for Vi fied Clay Pip Extra Strength, Standard

Strength, and Perforated.

b. D448, Standard Classification for Sizes A egate for Road and Bridge

Construction.

2. American National Standards sti (ANSI):

a. A300, Standard for Tree C re Operat n T ee, Shrub, and Other Woody Plant

Maintenance – Standard Pr tices

3. International S ciety o rboricultu (ISA):

a. C tainer Rootb Shaving.

b. wn Correct

c. Bal and B rlapped Roo rrection.

d. Contai Root Correction.

High Bra ed Crown Observation.

f. L Branch Crown Observation.

g. Mu le Low B nches Crown Observation.

h. Balle nd Burlapped Root Observation.

i. Contai r Root Observation - Tree.

j. Protec n Maintenance.

1.3 ADMINI TRATIVE REQUIREMENTS

A. Pre-Clearing Conference:

1. Prior to commencing site clearing Work, actively participate in conference regarding site clearing Work. Date and time of conference will be mutually established by Contractor and Contracting Officer.

2. Location: Conference will be held at the Site at a location to be established by

Contracting Officer.

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3. Participants:

a. Required Participants: Contractor’s project manager, Contractor’s site superintendent, arborist, Contracting Officer’s Representative.

b. Potential Participants: Contracting Officer and facility manager (if applicable).

4. Contracting Officer’s Representative will chair the conference, prepare and distribute an agenda, and prepare and distribute a record of the conference.

5. Participants shall be prepared to discuss:

a. Project requirements and the Contract requirements for e clearing Work.

b. Submittals required for site clearing Work.

c. Schedule for site clearing Work and availability of sourc

d. Locations and types of site clearing Work, with specific attent to areas of selective removals, selective trimming, and able species. Lim of clearing and grubbing. Proposed locations for stockpil and temporary storage cuttings and debris.

e. Environmental and other conditions the Site.

f. Growth, vegetation, and existing con uction re iring protection.

g. Required observations and field quality ntr for site clearing Work.

6. If additional information affecti g site clearing Wor ubsequently comes to light, reconvene the conference at e lies portunity.

1.4 QUALITY ASSURANCE

A. Qualifications:

1. Arborist

a. Wh selec e removal, tive trimming, or both are required or necessary, retain rvices of, and employ in the Work, accredited arborist, possessing qualifica s acceptable to Contracting Officer.

b. orist sha e skilled, trained, and possess documented experience in suc sfully pr cting, trimming, and restorative care of trees and shrubs of the types cessary for the Work.

c. Certifi tion: Arborist shall be certified by either International Society of

Arbor lture (ISA) or American Society of Consulting Arborists (ASCA).

d. Arbo t shall use in selective removal and selective trimming Work only workers wi specific skill and successful experience in this type of Work required. Such orkers shall work under the direct, personal supervision of arborist.

e. Submit to Contracting Officer’s Representative names, employer(s), certifications, other relevant qualifications and record of relevant experience, as indicated below, for not less than three successful projects involving same species of trees, shrubs, and vegetation as involved in the site clearing Work:

1) Names and telephone numbers of site owners, architects or engineers responsible for projects.

2) Approximate contract price of the selective removal and selective trimming of trees, shrubs, and vegetation.

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3) Approximate time of year work was performed on each referenced project.

4) Approximate quantity and types of selective removal and selective trimming of performed.

5) General indication of species of trees, shrubs, and vegetation involved.

1.5 SUBMITTALS

A. Action Submittals: Submit the following:

1. Shop Drawings:

a. Limits of Site Clearing Work: When limits of site earing ork are not expressly shown on the Drawings, or where Contractor proposes alterna e limits of site clearing Work, submit drawings, developed f m the Drawings, arly indicating proposed limits of site clearing Work, with dimensions indicated w e appropriate. Include location of trees p posed to be removed. Clearly ow tree protection measures for any vegetati to remain w in the Limits of Site Clearing

Work.

b. Where proposed limits of clearing and g bbi , selective removals, and topsoil stripping are not identical with each other, arly and expressly indicate limits of each on the Shop Drawi gs

B. Informational Submittals: Submit the llowing

1. Permits and Approvals:

a. Submit py of h permit r uired and obtained for site clearing Work, issued by auth ty having j isdiction.

b. W re Contractin Officer’s pe ission or approval is required for selected site ring activit b it copy of Contracting Officer’s written permission or app val for uch activity

c. When oval of owner of property (other than Owner) is required for selected site clear activity, submit to Contracting Officer’s Representative written copy uch appr l.

2. Certificates:

a. Arbor s certification that trees and shrubs shown or indicated to remain were prote ed during the site clearing Work in accordance with the Contract

D ments.

b. here trees or shrubs (shown or indicated to remain) were damaged during site clearing Work, submit arborist’s certification that such trees and shrubs were promptly and properly treated or, where successful treatment was not feasible, were replaced.

3. Qualifications Statements:

a. Arborist qualifications.

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PART 2 - PRODUCTS

2.1 MATERIALS

A. Tree Wound Dressing:

1. Provide tree wound dressing, waterproof, adhesive and elastic with an antiseptic, free from kerosene, coal tar, creosote, and other material injurious to life of tree or other plant.

B. Filter Fabric:

1. In accordance with requirements for temporary erosion a sedim t controls indicated in Section 01 57 23 - Temporary Storm Water Pollution Prevention.

C. Drainage Fill:

1. Selected crushed stone, or crushed or uncru ed gravel, w hed.

2. Size 24 (in accordance with ASTM D448), ith 90 to 1 percent passing 2.5-inch sieve and not more than 10 percent passing 3/4-inch eve

D. Burlap:

1. Jute, not less than 7.2 ounces p squar d

E. For other materials needed for site clear g Work such as ne, topsoil, or other, comply with requirements of the Contract Documents

PART 3 - EXECUTION

3.1 SITE CLEARING GE ERAL

A. Li ts of Si Clearing rk:

1. Limits of s clearing ork are shown and indicated on the Drawings approved by the

Contracting ficer.

B. G ral Provisions or Site Clearing:

1. C tra r shall provide all labor, materials, equipment, tools, services, and incidentals nec ary and required to perform site clearing Work in accordance with the Contract

Documents.

2. Perform site clearing Work to avoid creating nuisances, pollution, and preventable adverse effects on the environment.

3. Comply with Section 01 57 23 - Temporary Storm Water Pollution Prevention, and this

Section’s Article, “Tree Protection, Selective Removals, and Selective Trimming”.

4. Excavation required for site clearing shall comply with Section 31 23 00 - Earthwork.

5. Requirements of Authorities Having Jurisdiction:

a. Perform site clearing Work in accordance with Laws and Regulations.

CUVA - 224822 31 10 00 - 6

b. Obtain, pay for, and comply with permits required for site clearing Work. Obtain from authorities having jurisdiction and furnish copy of each permit as a Submittal.

6. Traffic Control:

a. Where site clearing Work is along or adjacent to travelled ways subject to public traffic, comply with Section 01 50 00 - Temporary Facilities and Controls.

b. Establish such controls prior to and maintain in place throughout site clearing

Work that has potential to affect traffic.

7. Site clearing Work shall comply with ANSI A300 and applicab ISA standards indicated in this Section’s “References” Article, unless the Contract D c ents indicate more-stringent requirements.

8. Demolition Work is indicated in Section 02 41 00 - Demolition, incl ng removal of site improvements and Underground Facilities.

3.2 PREPARATION

A. Permits and Approvals:

1. Do not commence site clearing Work until necessar ermits and approvals are obtained and copies furnished to Contr ting Officer as Submit

B. Delineation of Limits of Site Clearing ork Areas

1. Locate and clearly fl g at the Site:

a. Limi of site clea ng Work.

b. Tr s, shrubs, ve tation, and o r materials to remain within limits of site ring Work

c. Tre shrub and vegeta o be selectively removed.

d. Salvag b trees, shrubs, and vegetation (to be relocated) within limits of site clearing rk.

. Flagging:

a. Flaggi shall be high-visibility type. Where necessary, provide lath or stakes driven to the ground, with flagging, to clearly delineate limits.

b. Provi different-colored flagging for each type of delineation required by this

Ar le.

c. omptly replace lost, moved, or destroyed flagging until Contracting Officer’s

Representative concurs that flagging is no longer needed.

3. Review with Contracting Officer:

a. Before starting site clearing Work, other than flagging, review at the Site with

Contracting Officer’s Representative.

b. Make corrections as necessary.

c. Review all trees, [12]-inch diameter (measured one foot above ground) and larger, to be removed or selectively trimmed.

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d. Review with Contracting Officer’s Representative at the Site trees and shrubs to be selectively trimmed, to reach mutual agreement on extent of selective trimming required.

C. Protection: Establish protection of trees, shrubs, and vegetation to remain, in accordance with this Section’s Article, “Tree Protection, Selective Removals, and Selective Trimming”, and other applicable provisions of the Contract Documents.

D. Temporary Erosion and Sediment Controls:

1. Provide applicable temporary erosion and sediment controls b re commencing clearing and grubbing and topsoil stripping Work.

2. Comply with temporary erosion and sediment control re remen f Section 01 57 23 -

Temporary Storm Water Pollution Prevention.

3. Continue providing temporary erosion and sedimen controls as clearing nd grubbing and topsoil stripping Work progresses into previ sly uncleared, ungrubbe reas of the

Site.

3.3 CLEARING AND GRUBBING

A. Clearing and Grubbing – General:

1. Remove and dispose of all mat ials con ting clearing nd grubbing Work within limits shown and indicated in th Contract D nts.

2. After grubbing Work is complete roper fill holes esulting from grubbing before commencing site ding Work.

B. Trees and Shrubs mproperly D stroyed or D maged:

1. Refer t is Section’ rti l “Tree Protection, Selective Removals, and Selective

Trimming

C. Tree hrubs to R ain:

. Trees and rubs to r ain shall be protected, and trimmed where necessary or required, in accordan with this Section’s Article, “Tree Protection, Selective Removals, and

Selective Tri ming”.

3.4 TREE ROTEC ON, SELECTIVE REMOVALS, AND SELECTIVE TRIMMING

A. General Pr isions for Tree Protection, Selective Removals, and Selective Trimming:

1. Provide temporary fencing, barricades, or guarding measures, as recommended by arborist, outside drip line of trees and shrubs to remain.

2. Protect root systems from damage caused by noxious materials, storm water runoff, site clearing, planting and landscaping, other Work, and storage of materials and equipment.

Protect root systems from flooding, erosion, and excessive wetting resulting from dewatering of excavations, drainage of tanks, and other construction activities.

3. Fires are not allowed under or adjacent to trees, shrubs, and other vegetation to remain.

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4. Do not store matter resulting from site clearing or demolition, topsoil, or other excavated material within drip line of trees and shrubs to remain. Vehicles are not allowed within drip line. Restrict foot, vehicle and equipment traffic to prevent compaction of soil over root systems. Where such activities are unavoidable, and only as acceptable to

Contracting Officer, provide temporary, continuous, heavy-duty wood planking effectively fastened together and capable of distributing loads from such activities.

Temporary planking shall be underlaid by layer of filter fabric covered with two-inch layer of gravel.

5. Cut branches and roots, when necessary, with sharp pruning instrum nts; do not break or chop. Fully paint cuts 1/2-inch and larger in size with tree woun ressing.

B. Excavation and Protection of Trees and Shrubs:

1. Excavate within drip line of trees only where shown

2. Where trenching for utilities is required within drip ne, tunnel under o ound main lateral feeder roots by drilling, auger boring, pip jacking, or digging by h d under supervision of arborist. Do not cut main late roots or tap roots; cut smaller oots, which interfere with installation of the Wo .

3. Where excavation for the Work is required hin drip ne of trees or shrubs, hand excavate to minimize damage to root systems. rf m excavation under supervision of arborist. Provide temporary shoring or other prot ve support systems at excavations, to minimize sloping and bench g of excavations. U narrow tine spading forks and comb excavated material to ex ose ts

4. Relocate roots in backfill areas herever p ible. If larg main lateral roots are encountered, expose beyond exc ation lim s a ired to bend and relocate without breaking. If encountered immedi ly a acent to location of construction and relocation is not practical, s approxim three inches back from construction.

5. Do not allow posed r ts to dry o before permanent backfill is provided; provide temporary rth cover. ater and ma ain in moist condition and temporarily support and pro ct from dama until perman ly relocated and covered with earth.

C. Grade Adjustmen nd T ee Protection:

1. in existing rade within drip line of trees, unless otherwise shown or indicated.

Lowerin f Precon uction Grade:

a. Wher roposed finish grade is required below preconstruction grade around trees and sh bs to remain, slope the grade away from trees and shrubs as recommended by arb ist.

b Prun ree and shrub roots exposed during grade lowering, or provide permanent p ections as recommended by arborist. Do not cut main or lateral roots or tap-oots; cut only smaller roots.

c. Compensate for loss of roots and prune branches to stimulate root growth.

d. Provide extended service through completion of the Contract correction period as recommended by arborist.

3. Minor Fills:

a. Where preconstruction grade is six inches or less below elevation of finish grade shown, fill with topsoil complying with quality requirements of Specifications for finish grading and landscaping.

CUVA - 224822 31 10 00 - 9

b. Place in single layer and do not compact.

c. Hand-grade to required finish elevations.

D. Tree and Shrub Pruning (Selective Trimming):

1. Perform pruning and selective trimming under the supervision of arborist.

2. Remove branches from trees and shrubs to remain only after Contracting Officer’s concurrence, only to extent necessary to clear location of permanent construction, using branch removal methods in accordance with ANSI A300 and applic ble ISA standards indicated in this Section’s “References” Article.

3. Extend pruning operation to restore natural shape of entire tre r shrub where pruning is approved by Contracting Officer and as recommended by a or

4. Prune branches to balance loss to root system caused by mage o utting of root system.

5. Chip branches removed from trees and shrubs. Sto pile and spread ch in accordance with arborist’s recommendation.

E. Selective Trimming:

1. In addition to pruning (as required above), per m er selective trimming under direction of arborist.

2. Comply with ANSI A300 and plicable ISA stand s indicated in this Section’s

“References” Article.

3. Where shown or indicated, and ith arbo recommen tion, carefully remove larger branches, when necessary, using ppropriat m ds

4. Repair cut branches in accordanc with th s Section.

5. During selective t ing, avoid d ging healthy (to remain) elements of trees and shrubs.

6. Dispose of immings as ndicated in s Section’s “Disposal and Cleaning” Article.

F. Selective Rem als:

1. Perform sele removals under direction of arborist.

2. ly with AN I A300 and applicable ISA standards indicated in this Section’s

“Refere s” Artic

3. Fully rem trees an hrubs shown or indicated for selective removal.

4. Remove stu s to not less than one feet below preconstruction ground surface.

5 During selec e removals, avoid damaging adjacent trees and shrubs to remain, and other property.

6. Remove la r branches before cutting the trunk of tree or shrub being selectively moved

7. Dis of trees and shrubs selectively removed as indicated in this Section’s “Disposal and Cleaning” Article.

G. Repair and Replacement of Trees and Shrubs:

1. Perform tree and shrub repair under direction of arborist.

2. Cavity Repair:

a. Remove decayed areas to depth that exposes healthy tissue.

b. Shape cavities to provide drainage.

CUVA - 224822 31 10 00 - 10

c. Paint inside of cavity with antiseptic tree wound dressing material.

d. Do not fill cavities.

e. When cavity’s cross-section exceeds 60 percent of cross-section of tree or shrub branch, selectively trim subject branch. When cavity’s cross-section exceeds 60 percent of cross-section of trunk of tree or shrub, remove tree or shrub upon

Contracting Officer’s authorization. Contracting Officer will consider arborist’s recommendation. Comply with this Section’s requirements for selective trimming and selective removals.

3. Repair trees and shrubs damaged by construction operations, or s ctively trimmed, within 24 hours of occurrence of such damage or selective trimming. Treat damaged trunks, branches, and roots according to written instruction f orist, in accordance with ANSI A300 and applicable ISA standards indicated n this S ion’s “References”

Article.

4. Remove and replace trees and shrubs that are (1) d d or destroyed due construction operations, or (2) damaged beyond reasonable h e of recovery (as determ d by arborist) following repairs, or (3) damaged a determined by arborist to be in apable of resuming normal growth pattern after repa .,

5. Obtain opinion from arborist regarding whe r dama trees, shrubs, and other vegetation is repairable with reasonable chanc f s cess. Submit arborist’s certification required in this Section’s “Submittals” Article.

6. For each tree or shrub to remai but is destroyed or maged (beyond repair) by

Contractor:

a. For trees [8] inches or mo in diam r ( ured one foot above preconstruction ground surface), provide tw repl ements of the same species. Each replacement shall be fo hes diameter asured one foot above top of root ball).

b. For tre smaller an [eight] hes diameter, and for shrubs, provide one repl ement for e h, of same cies. Replacements shall be equal in size to o ginal, up to m imum oof fou nches (measured one foot above root ball).

c. P ide repla tions at the Site.

d. Prov rep cements in accordance with the Contract Documents, including

Specifi ons on planting and landscaping.

3.5 DISPOSAL AND CLEANIN

A. Disposal – General

1. Dispose of atter resulting from clearing and grubbing, selective removals, and selective mmin at appropriate offsite location.

2. Do use cleared, grubbed, or trimmed material as fill, backfill, or in embankments.

3. Dispose of cleared, grubbed, and trimmed material, and other materials, rubbish, and debris, in accordance with Laws and Regulations.

4. Pay all costs associated with transporting and disposing of materials and debris resulting from site clearing Work.

5. Cleared lumber and trimmings from trees are Contractor’s property and, at Contractor’s option, may be sold or salvaged offsite.

B. Cleaning:

CUVA - 224822 31 10 00 - 11

1. Perform progress cleaning and other cleaning Work, and disposal of resulting materials and debris, in accordance with Section 01 74 19 – Construction Waste Management and

Disposal.

C. Burning:

1. Burning of trees, shrubs, brush, other vegetation, and other materials at, or adjacent to, the Site, whether in-place or cut, is prohibited.

3.6 TOPSOIL STRIPPING

A. Stripping:

1. Before commencing topsoil stripping:

a. Perform clearing and grubbing and sele ve removals.

b. Remove grass and other vegetation t t may remain following clearing and grubbing.

c. Provide necessary and required tempor ero n and sediment controls.

2. Strip topsoil to depths encountered, in manner that p vents intermingling of topsoil with underlying subsoil and other je able material. R move heavy growths of grass and vegetation and material below psoil.

3. Do not strip topsoil from within ip line of d shrubs to remain as part of the completed Project.

B. Reuse of Stripped To oil:

1. Reuse in e finish grad g and landsc ing Work topsoil that complies with the Contract

Docum ts for such W rk

C. Disposal of Excess oil:

1 Topso excess quantity required for finished Project becomes Contractor’s property when Con cting Of er indicates finish grading and landscaping Work is complete.

Properly dis se of excess topsoil offsite. Contractor may sell excess topsoil at offsite location.

END OF SE TION 31 10 0 DRAFT

CUVA - 224822 31 22 00 - 1

SITE GRADING

SECTION 31 22 00 - SITE GRADING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Earthwork - site excavation, grading, compaction, disposal ste and surplus materials, construction of berms, dewatering and other E hwork lated work.

B. Related Requirements: Include but are not necessarily limi d to:

1. Section 01 50 00 - Temporary Facilities and C trols.

2. Section 01 57 23 - Temporary Stormwater P llution Preve tion.

3. Section 31 23 10 - Excavation and Backfil

4. Section 31 23 17 - Rock Excavation.

5. Section 31 23 19 - Dewatering.

6. Section 32 15 40 - Crushed Stone Surfacing.

1.2 REFERENCES

A. Terminology:

1. Terms indic d in this vision are t defined terms indicated with initial capital letters, bu when used in his Section h e the meaning indicated in this provision.

2. “Exca on” consists removal of ma erials encountered to subgrade or rough grade elevation quired indicat avation includes excavation of soils; pavements and other obstru n visible on surface; underground structures, utilities, and other items i di ated to be molished and removed; boulders; and rock.

3 “Geot nical eng er” means the independent geotechnical specialist, licensed and registered a profes nal engineer in the same jurisdiction as the Site, retained by

Contractor, th responsibility for observing required field quality control activities and determining ceptability of results of required field quality control activities, in accordance w h the Contract Documents. Where geotechnical engineer is not the same person who aled and signed this Section and related Drawings, geotechnical engineer s not au ority to approve or accept the Work or to modify the Contract Documents on be lf Engineer.

4. “Non structural fill” and “non-structural backfill” mean excavated materials placed and compacted to achieve finish grade elevations and do not support foundations, slabs, pavement, other flatwork, or carry imposed loads.

5. “Finish grade” means layer of soil or other acceptable material immediately below the

Site’s surfacing material (such as landscaping, pavement, and other surfaces).

6. “Rough grade” means layer of soil or other acceptable material immediately below the finish grade.

7. “Subgrade” means soil or other suitable material immediately below foundation bearing elevation, subbase material, fill material, backfill material, or topsoil.

CUVA - 224822 31 22 00 - 2

8. “Unauthorized excavation” means removal of native material (a) beyond subgrade elevation or dimensions shown or indicated I the Contract Documents, and (b) outside of payment limits for Unit Price Work shown or indicated in the Contract Documents, without Contracting Officer’s authorization or an appropriate Contract modification.

Unauthorized excavation and all Work necessary to remedy unauthorized excavation in accordance with the Contract Documents are ineligible for payment, and Contractor is ineligible for additional Contract Price or additional Contract Time therefor.

9. “Unsuitable material” and “unsuitable soil material” means materials, including soil, encountered at the Site, at or below subgrade elevation, and of insuf cient strength, stiffness, and bearing capacity to support the completed Work.

B. Referenced Standards:

1. ASTM International (ASTM):

a. C33, Standard Specification for Concrete ggregates.

b. D698, Standard Test Methods for Lab tory Compaction Characterist s of Soil

Using Standard Effort (12,400 FT-L F/CUFT).

c. D1241, Standard Specification for M rial for S l-Aggregate Subbase, Base, and

Surface Courses.

d. D1557, Standard Test Methods for Labora y Compaction Characteristics of Soil

Using Modified Effort ( 6 000 FT-LBF/CUF 2 700 kN-M/M)).

e. D2487, Standard Practi fo l ssification of S s for Engineering Purposes

(Unified Soil Classificat n System

f. D3786, Standard Test Me od for Bu ting ength of Textile Fabrics--

Diaphragm Bursting Streng Tes Method.

g. D4253, St d Test Metho or Maximum Index Density and Unit Weight of

Soils U ng a Vi tory Table

h. D42 ,…