PASSAIC COUNTY TECHNICAL INSTITUTE CCA 1422 NEW S.T.E.M. BUILDING 2017

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1 SECTION PROJECT SURVEY AND LAYOUT PART 1 GENERAL 1.01 WORK INCLUDED A. The Contractor shall employ a New Jersey Licensed Land Surveyor to do all necessary surveying required to construct all elements of the Project as shown on the Contract Drawings and specified herein. The Contractor will also provide additional horizontal and vertical control points along the project area as required for construction or as directed by the Owner s Engineer. B. All surveys shall be signed and sealed by the Contractor's Land Surveyor, licensed to practice in the State of New Jersey. C. All project installations improperly constructed as a result of inadequate or erroneous survey layout shall be properly relocated by the Contractor at no cost to the Owner. D. Contractor shall submit a S&S as-built survey at the completion of his work RELATED SECTIONS A. Section Earthwork B. Contract Drawings 1.03 REFERENCE STANDARDS A. In accordance with local rules and regulations QUALITY ASSURANCE A. All construction layout work shall be performed under the direction of a Professional Land Surveyor. B. The survey crew will discuss all layout procedures with the Contractor s supervisor prior to commencing work. C. The survey crew daily report shall be filled out and signed by the Contractor s supervisor at the end of that day s layout. D. Copies of sketches, cut sheets, etc. shall be provided to the Contractor by the end of the next workday. E. All costs related to re-staking due to construction or Contractor s work resulting in destruction or movement of stakes shall be paid for by the Contractor and at no additional expense to the Owner. F. Building dimensions to be coordinated with approved architectural plans. PROJECT SURVEY AND LAYOUT

2 PART 2 PRODUCTS 2.01 MATERIALS Provide all instruments, equipment, stakes, marking paints and other materials necessary to perform the work satisfactorily. PART 3 EXECUTION 3.01 GENERAL A. Qualified personnel and adequate equipment shall be made available by the Contractor to maintain control points and layout all lines and grades throughout the duration of the Contract. B. The exact position of all work points shall be established from control points, base line transit points and/or other points of similar nature based upon information provided in Contract Documents. C. The Contractor shall establish, re-establish when necessary and maintain control points throughout the life of the Contract to permit the Engineer to make the necessary preliminary, interim and final measurements and to check the Contractor's layout. D. The Contractor shall be responsible for the preservation of all control points. If control points are damaged, lost or moved, they shall be reset at no additional expense to the Owner. Control points outside as well as inside the Contract Limits shall be used for construction. E. The Contractor shall provide and maintain offset stakes for each base line, at each station, and out of the limits of grading and construction. Each stake shall be identified and marked to show the offset distance from the base line and the Contractor shall furnish sheets showing cuts and fills to the finished profile and cross section lines. F. Any error, apparent discrepancy or absence of data shown or required for accurately accomplishing the survey work shall be referred to the Owner s Engineer for interpretation or furnishing when such is observed or required. G. The Owner s Engineer may check all or any portion of the survey work or notes made by the Contractor. Any necessary correction to the work shall be made immediately by the Contractor. Such verification by the Owner s Engineer shall not relieve the Contractor of any responsibilities for the accuracy and completeness of his work. H. The Contractor shall keep a survey transit and level with tripod and survey rod on The project at all times to be used for checking, surveyor s stakes, etc. I. The Contractor shall submit all survey data for daily checks, to the Office of the Owner s Engineer after the data is obtained. J. The Contractor shall submit cut sheets for the Owner s Engineers approval prior to any construction activity, for the purpose of verifying the construction layout. Cut sheets PROJECT SURVEY AND LAYOUT

3 for any particular item of work shall be submitted prior to the need for approval. All cut sheets shall be prepared by a Licensed Land Surveyor and shall bear his seal and signature. K. In cases where extra excavation is required, before and after cut sheets shall be submitted for determination of quantities for excavation and backfill and extra bedding. L. All project installation improperly constructed or located as a result of inadequate or erroneous survey layout shall be relocated or reconstructed, after demolition and/or removal of the improper work as necessary, by the Contractor at no charge to the Owner. END OF SECTION PROJECT SURVEY AND LAYOUT

4 SECTION BLASTING & ROCK REMOVAL REQUIREMENTS PART 1 GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section To eliminate any controversy as to how much sub surface fixed rock currently exists on site and the removals required for the installation of all infrastructure and utilities outside the new STEM building footprint (including but not limited to) landscape site, drainage, storm, sanitary, gas, water, electric underground, building foundations, footings, other buried utilities, lamp posts and utility poles etc, The General Contractor shall base all excavation costs on existing grade elevations as top of fixed rock at all areas beyond 5 feet perimeter of the new building footprint. For areas within the building pad foot print, the site was previously cleared and prepared under separate contract. The rock was fractured and removed to elevations via a blasting method to elevations and depths identified on Drawing C-3 Excavation and Grading Plan Last Dated 11/18/16 Prepared by Comerro Coppa Architects (Enclosed). See also Drawing PC-043 Partial Topographical Survey, prepared by Boswell Engineering, dated 12/20/16. Grading at the building pad area is filled with blasted fractured rock varying in size with a 4-6 layer of crushed stone atop. Depths identified of fractured rock can be anticipated for excavation at the building pad area. Similar condition exists for the filled level area on the western portion of the site. Enclosed at the end of this section are the following reference documents as it relates to subsurface and existing topography conditions for the project: 1.) Geotechnical Report prepared by SESI Consulting Engineer s Dated September 8, 2016 and Drawing Fig-1 Boring and test Pit Location Plan Dated 9/23/16. 2.) Geotechnical Review Letter prepared by SESI Consulting Engineer s Dated October 14, ) Drawing C-3 Excavation and Grading Plan (building footprint) Last Dated 11/18/16 Prepared by Comerro Coppa Architects 4.) Drawing BP-1 Utility Boring Location Plan Dated 12/19/16 Prepared by Comerro Coppa Architects. 5.) Drawing PC-043 Partial Topographical Survey, prepared by Boswell Engineering, dated 12/20/16 The above listed documents are issued for information only. If the General Contractor bases cost on the pit/boring depths, and additional rock needs to be removed, under no circumstances will additional cost be incurred by the Owner. Each Contractor shall assume his own fluff factor as it pertains to fill quantities. All excessive site material left over after suitable fill and final grading, per the Civil Drawings, not used in the construction will be disposed of at the General Contractor s expense and included as part of the overall base bid. Refer to specification Earthwork for additional information. 1.2 SUMMARY A. All blasting must be performed in conformance with Federal and State ordinances. Compliance at these levels for vibration and air blast eliminates the probability of damage to structures as determined by the United States Department of Interior. BLASTING REQUIREMENTS AND ROCK REMOVAL

5 B. The General Contractor is responsible to conduct pre-blast surveys of any on site and nearby off-site structures within 250 feet of blasting to avoid any unsubstantiated claims for damage from blasting vibration. In compliance with the State of New Jersey blasting regulations, all blasting must be monitored using approved seismographs placed adjacent to the closest buildings or other sensitive structures, like the hospital and high school. A copy of these recordings must be made available to the general contractor within 24 hours of a blast. Seismic monitoring must be done at nearest structure not owned by the County of Passaic. C. Related Sections: 1. Division 2 Section Earthwork. 2. Division 1 Section Coordination. 2.1 GENERAL BLASTING REQUIREMENTS: A. Explosives shall be stored, handled and employed in accordance with the federal and state regulations. B. All licenses and insurance requirements for the State of New Jersey must be met. C. No explosives will be stored overnight on site. D. No blasting shall be conducted on weekends or state holidays E. Before Drilling and Blasting, excessive overburden to the top of rock shall be removed. F. Blasting Mats should be utilized at the discretion of the person in charge of the blasting. G. A maximum diameter drill hole size of 3 ½ shall be utilized. H. Only standard explosives and blasting accessories prepared by appropriate manufacturing firms shall be used. No pumpable explosives shall be used to avoid the overloading of blast holes, particularly when voids are encountered. 2.2 BLASTING LIMITS A. Peak Particle Velocity Limits will be as per the site, the maximum peak particle velocity shall not exceed State of New Jersey Explosives regulations. B. Air Blast Limits The maximum air blast measured at the nearest structure should not exceed 130 decibels as measured by an approved instrument. C. Aside from these limits, All blasting shall comply with New Jersey Explosives regulations N.J.A.C 12:190. END OF SECTION BLASTING REQUIREMENTS AND ROCK REMOVAL

6 KATTAK PARKWAY VALLEY VIEW ROAD BUILDING MAIN F.F G.F GARAGE & TRAINING BLDG. F.F F.F BUILDING BURN EXERCISE BP-1 PASSAIC COUNTY TECHNICAL INSTITUTE NEW S.T.E.M. BUILDING WAYNE, NEW JERSEY

7 C-3 PASSAIC COUNTY TECHNICAL INSTITUTE NEW S.T.E.M. BUILDING WAYNE, NEW JERSEY

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9 B B yy JP 1" = 80' B B-4 TP TP TP TP-4 B GAS GAS B GAS GAS GAS GAS B TP TP-6 BENCHMARK #2 BENCHMARK #1 TP TP TP TP TP TP TP TP TP-16 TP TP TP-19 TP SCALE: 1"=80' LEGEND: NEW S.T.E.M. BUILDING 45 REINHARDT ROAD WAYNE, NJ BORING AND TEST PIT LOCATION PLAN B-1 - APPROX. LOCATION AND NO. OF BORING TP-1 - APPROX. LOCATION AND NO. OF TEST PIT 9348 SESI CONSULTING ENGINEERS 2016 This drawing and all information contained heron is proprietary information of SESI CONSULTING ENGINEERS and may not be copied or reproduced, either in whole or in part, by any method, without written permission of SESI CONSULTING ENGINEERS. REFERENCE 1. BUILDING DATA TAKEN FROM PLAN PREPARED BY BOSWELL ENGINEERING. 2. SITE TOPOGRAPHY TAKEN FROM "SITE PLAN" PREPARED BY COMERRO COPPA ARCHITECTS, DATED AUGUST 11, BORING & TEST PIT LOCATION & ELEVATIONS PROVIDED BY GB ENGINEERING, SURVEY DATED AUGUST 15, GROUND SURFACE ELEVATION - APPROX. ROCK ELEVATION FIG-1 of 1

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59 SECTION SELECT FILL AND FOUNDATION MATERIAL PART ONE - GENERAL 1.1 DESCRIPTION Work Included: Under this section, the Contractor shall provide all labor, equipment and materials necessary to furnish, and install all select fill and foundation material complete and in place as specified herein or as directed by the Architect/Engineer. 1.2 QUALITY ASSURANCE Standards: 1. Comply with ANSI, OSHA, ASTM and all applicable Federal, State and local codes including revisions to date of contract. 2. Comply with ASTM and all applicable Federal, State and Municipal codes including revisions to the date of the contract, such as: a. ASTM D-2487, Standard Test Methods for Classification of Soils for Engineering Purposes. 3. In all cases where a device or part of the equipment is referred to in this section by a singular number (such as "test"), it is intended that such reference shall apply to as many devices as are required to complete the installation. 4. Referenced Specifications: a. New Jersey Department of Transportation Standard Specifications for Road and Bridge construction, dated 2007, plus addenda when referred to, shall become part of this specification for materials and construction requirements. The measurement and payment section of the NJDOT Specifications shall not apply as all work under this section shall be included in the Contractor's lump sum prices and unit prices bid for this Contract. Where the referenced specifications cite requirements differing from those included in these specifications, the more stringent, highest quality shall govern Qualifications of Manufacturers: Products used in the work of this section shall be produced by manufacturers regularly engaged in the manufacture of similar items and with a history of successful production acceptable to the Architect/Engineer. 1.3 PRODUCTION HANDLING Protection: Use all means necessary to protect the material of this section up to acceptance by the Owner upon delivery. PART TWO - PRODUCTS 2.1 SELECT FILL SELECT FILL AND FOUNDATION MATERIALS

60 2.1.1 Type: Select Fill to be used if sufficient suitable material for backfill, fill and other purposes is not available from the excavated material, then the Contractor shall procure elsewhere, a sufficient quantity of suitable select fill material, as specified in Section 2.1.2, and shall furnish and place such materials Backfill and Select Fill: All backfill and select fill materials, unless otherwise specified, shall consist of a suitable selected and approved earth generally from storage of approved excavated soil Acceptance of Materials: A one hundred forty (140) pound bag sample of each type of material to be used as select fill shall be submitted to the Architect/Engineer ten (10) days prior to delivery. This material shall not be delivered until approved by the architect/engineer. By submitting samples of this material, the Contractor agrees and guarantees that the material used for procurement shall conform to the sample(s) supplied. Final acceptance of material for select fill rests with the Architect/Engineer, whose decisions shall be final and binding upon the Contractor. The acceptance of any material by sample by the Engineer shall not relieve the Contractor of his responsibility to have the material used conform to the sample(s) approve by the Architect/Engineer. Each sample bag shall be submitted bearing identification tag, naming the site and location of the borrow pit and shall be accompanying with a report, (signed and sealed by a professional engineer licensed in the State of New Jersey). The professional engineer shall be from a qualified geo-technical engineering firm and its laboratory attesting to the adequate properties of the material submitted. The Contractor shall further provide the Engineer with a volumetric computation indicating the amount of material available at the particular borrows pit from which the approved soils are to be excavated. Any change in site or actual material used shall be similarly submitted to the Architect/Engineer for approval. The Architect/Engineer reserves the right to visit any or all borrows pit sites for purposes of inspection and verification of available supply. All testing and reports shall be developed at the cost of the Contractor. 2.2 FOUNDATION/BEDDING MATERIAL General: Foundation/bedding material shall be of ¾ crushed stone for the sanitary sewer and force main. Select fill or clean fill for force main shall be placed on top of crushed stone as shown on the Contract drawings, conforming to NJDOT and ASTM specification, consisting of hard and clean material. The material shall be free from any considerable amount of flat, laminated or elongated particles and shells, clay, limestone, shale or other deleterious matter. B. 3/4" Clean Crushed Stone: Conforming to NJDOT Section , consisting of hard, sharp, clean material. The material shall be free from any considerable amount of flat, laminated or elongated particles and shells, clay, limestone, shale or other deleterious matter. Foundation material shall conform to the following: Sieve Size Percent Finer by Weight 1 1/2 in 100 3/4 in No No No SELECT FILL AND FOUNDATION MATERIALS

61 Foundation material shall be placed and compacted as shown on the Contract Drawings or as directed by the Engineer. C. Selected Native Backfill:This material must be compacted to 95% Relative Compaction (as measured by ASTM D1557 procedure). The quality of this backfill material shall be such that it exhibits an ultimate bearing strength in excess of 170kPa (3500 lbs per square foot) in the compacted state. Select native backfill may be used only at the perimeter of the excavation and as directed by the Architect/Engineer. Foundation and bedding material shall be placed and compacted as shown on the Contract Drawings or as directed by the Architect/Engineer. PART THREE - EXECUTION 3.1 GENERAL All select fill, foundation material shall be filled and compacted in accordance with Section 02221, EXCAVATION, BACKFILLING AND COMPACTING. 3.2 FIELD TESTING The Owner reserves the right to taking specimens and samples for testing by designated personnel. END OF SECTION SELECT FILL AND FOUNDATION MATERIALS

62 SECTION SITE CLEARING PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes the following: 1. Protecting existing trees, shrubs, groundcovers, plants and grass to remain. 2. Removing existing trees, shrubs, groundcovers, plants and grass. 3. Clearing and grubbing. 4. Stripping and stockpiling topsoil. 5. Removing above- and below-grade site improvements. 6. Disconnecting, capping or sealing, and removing site utilities. 7. Temporary erosion and sedimentation control measures. B. Related Sections include the following: 1. Division 2 Section "Tree Protection and Trimming" for protecting trees remaining on-site that are affected by site operations. 2. Division 2 Section "Earthwork" for soil materials, excavating, backfilling, and site grading. 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 (50 mm) 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 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. SITE CLEARING

63 B. Record drawings, according to Division 1 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 1 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 the 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 2 Section "Earthwork." 1. Obtain approved borrow soil materials off-site when satisfactory soil materials are not available on-site. PART 3 - EXECUTION 3.1 PREPARATION SITE CLEARING

64 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 the Soil Erosion and Sediment Control Plan.. 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 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. 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 (38 mm) in diameter with 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 Architect. 3.4 UTILITIES SITE CLEARING

65 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 2 Sections covering site utilities. 3.5 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 (450 mm) 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 (200 mm), and compact each layer to a density equal to adjacent original ground. 3.6 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. SITE CLEARING

66 1. Limit height of topsoil stockpiles to 72 inches (1800 mm). 2. Do not stockpile topsoil within tree protection zones. 3. Dispose of excess topsoil as specified for waste material disposal. 4. Stockpile surplus topsoil to allow for re-spreading deeper topsoil. 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 Owner's property and/or at sites provided by the contractor. 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 SITE CLEARING

67 SECTION DEWATERING PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes construction dewatering. B. Related Sections include the following: 1. Division 1 Section "Temporary Facilities and Controls" for temporary utilities and support facilities. 2. Division 2 Section "Excavation Support and Protection." 3. Division 2 Section "Earthwork" for excavating, backfilling, site grading and for site utilities. 4. Division 2 Section "Subdrainage" for permanent foundation wall, underfloor, and footing drainage. 1.3 PERFORMANCE REQUIREMENTS A. Dewatering Performance: Design, furnish, install, test, operate, monitor, and maintain dewatering system of sufficient scope, size, and capacity to control ground-water flow into excavations and permit construction to proceed on dry, stable subgrades. 1. Maintain dewatering operations to ensure erosion control, stability of excavations and constructed slopes, that excavation does not flood, and that damage to subgrades and permanent structures is prevented. 2. Prevent surface water from entering excavations by grading, dikes, or other means. 3. Accomplish dewatering without damaging existing buildings adjacent to excavation. 4. Remove dewatering system if no longer needed. 1.4 SUBMITTALS A. Shop Drawings for Information: For dewatering system. Show arrangement, locations, and details of wells and well points; locations of headers and discharge lines; and means of discharge and disposal of water. 1. Include layouts of piezometers and flow-measuring devices for monitoring performance of dewatering system. 2. Include a written report outlining control procedures to be adopted if dewatering problems arise. 3. Include Shop Drawings signed and sealed by the qualified professional engineer responsible for their preparation. B. Qualification Data: For Installer. C. Photographs or videotape, sufficiently detailed, of existing conditions of adjoining construction and site improvements that might be misconstrued as damage caused by dewatering operations. D. Record drawings at Project closeout identifying and locating capped utilities and other subsurface structural, electrical, or mechanical conditions performed during dewatering. 1. Note locations and capping depth of wells and well points. E. Field Test Reports: Before starting excavation, submit test results and computations demonstrating that dewatering system is capable of meeting performance requirements. 1.5 QUALITY ASSURANCE A. Regulatory Requirements: Comply with water disposal requirements of authorities having jurisdiction. DEWATERING Page 1 of 3

68 B. Preinstallation Conference: Conduct conference at Project site to comply with requirements in Division 1 Section "Project Management and Coordination." 1.6 PROJECT CONDITIONS A. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted in writing by Architect and then only after arranging to provide temporary utility services according to requirements indicated. B. Project-Site Information: A geotechnical report has been prepared for this Project and is available for information only. The opinions expressed in this report are those of geotechnical engineer and represent interpretations of subsoil conditions, tests, and results of analyses conducted by geotechnical engineer. Owner will not be responsible for interpretations or conclusions drawn from this data. 1. Make additional test borings and conduct other exploratory operations necessary for dewatering. 2. The geotechnical report is included elsewhere in the Project Manual. C. Survey adjacent structures and improvements, employing a qualified professional engineer or land surveyor, establishing exact elevations at fixed points to act as benchmarks. Clearly identify benchmarks and record existing elevations. 1. During dewatering, regularly resurvey benchmarks, maintaining an accurate log of surveyed elevations for comparison with original elevations. Promptly notify Architect if changes in elevations occur or if cracks, sags, or other damage is evident in adjacent construction. PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION 3.1 PREPARATION A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by dewatering operations. 1. Prevent surface water and subsurface or ground water from entering excavations, from ponding on prepared subgrades, and from flooding site and surrounding area. 2. Protect subgrades and foundation soils from softening and damage by rain or water accumulation. B. Install dewatering system to ensure minimum interference with roads, streets, walks, and other adjacent occupied and used facilities. 1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction. 3.2 INSTALLATION A. Install dewatering system utilizing wells, well points, or similar methods complete with pump equipment, standby power and pumps, filter material gradation, valves, appurtenances, water disposal, and surface-water controls. B. Before excavating below ground-water level, place system into operation to lower water to specified levels. Operate system continuously until drains, sewers, and structures have been constructed and fill materials have been placed, or until dewatering is no longer required. C. Provide an adequate system to lower and control ground water to permit excavation, construction of structures, and placement of fill materials on dry subgrades. Install sufficient dewatering equipment to drain water-bearing strata above and below bottom of foundations, drains, sewers, and other excavations. DEWATERING Page 2 of 3

69 1. Do not permit open-sump pumping that leads to loss of fines, soil piping, subgrade softening, and slope instability. D. Reduce hydrostatic head in water-bearing strata below subgrade elevations of foundations, drains, sewers, and other excavations. 1. Maintain piezometric water level a minimum of 24 inches below surface of excavation. E. Dispose of water removed by dewatering in a manner that avoids endangering public health, property, and portions of work under construction or completed. Dispose of water in a manner that avoids inconvenience to others. Provide sumps, sedimentation tanks, and other flow-control devices as required by authorities having jurisdiction. F. Provide standby equipment on-site, installed and available for immediate operation, to maintain dewatering on continuous basis if any part of system becomes inadequate or fails. If dewatering requirements are not satisfied due to inadequacy or failure of dewatering system, restore damaged structures and foundation soils at no additional expense to Owner. 1. Remove dewatering system from Project site on completion of dewatering. Plug or fill well holes with sand or cut off and cap wells a minimum of 36 inches below overlying construction. G. Damages: Promptly repair damages to adjacent facilities caused by dewatering operations. 3.3 OBSERVATION WELLS A. Provide, take measurements, and maintain at least the minimum number of observation wells or piezometers indicated and additional observation wells as may be required by authorities having jurisdiction. B. Observe and record daily elevation of ground water and piezometric water levels in observation wells. C. Repair or replace, within 24 hours, observation wells that become inactive, damaged, or destroyed. Suspend construction activities in areas where observation wells are not functioning properly until reliable observations can be made. Add or remove water from observation-well risers to demonstrate that observation wells are functioning properly. 1. Fill observation wells, remove piezometers, and fill holes when dewatering is completed. END OF SECTION DEWATERING Page 3 of 3

70 SECTION EXCAVATION SUPPORT AND PROTECTION PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section. 1.2 SUMMARY A. This Section includes excavation support and protection systems. B. Related Sections include the following: 1. Division 1 Section "Construction Facilities and Temporary Controls." 2. Division 2 Section "Selective Demolition". 1.3 PERFORMANCE REQUIREMENTS A. Design, provide, monitor, and maintain an anchored and braced excavation support and protection system capable of resisting soil and hydrostatic pressure and supporting sidewalls of excavations. 1. Work includes removing excavation support and protection systems when no longer needed. 2. Prevent surface water from entering excavations by grading, dikes, or other means. 3. Install excavation support and protection systems without damaging existing buildings, pavements, and other improvements adjacent to excavation. 1.4 SUBMITTALS A. Shop Drawings: Prepared by or under the supervision of a qualified professional engineer for excavation support and protection systems. System design and calculations must be acceptable to authorities having jurisdiction. 1. Include Shop Drawings signed and sealed by the qualified professional engineer responsible for their preparation. B. Qualification Data: For firms and persons specified in "Quality Assurance" Article to demonstrate their capabilities and experience. Include lists of completed projects with project names and addresses, names and addresses of architects and owners, and other information specified. C. Photographs or videotape, sufficiently detailed, of existing conditions of adjoining construction and site improvements that might be misconstrued as damage caused by excavation support and protection systems. 1.5 QUALITY ASSURANCE A. Installer Qualifications: Engage an experienced installer to assume engineering responsibility and perform work of this Section who has specialized in installing excavation support and protection systems similar to those required for this Project and with a record of successful in-service performance. B. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in the jurisdiction where the Project is located and who is experienced in providing engineering services for designing excavation support and protection systems that are similar to those indicated for this Project in material, design, and extent. 1. Engineering Responsibility: Engage a qualified professional engineer to prepare or supervise the preparation of data for the excavation support and protection system including drawings and comprehensive engineering analysis that shows the system's compliance with specified requirements. 1.6 PROJECT CONDITIONS EXCAVATION SUPPORT AND PROTECTION

71 A. Existing Utilities: Do not interrupt utilities serving facilities occupied by the Owner or others unless permitted in writing by the Architect and then only after arranging to provide temporary utility services according to requirements indicated. B. Project Site Information: A geotechnical report has been prepared for this Project and is available for information only. The report is not part of the Contract Documents. The opinions expressed in this report are those of the geotechnical engineer and represent interpretations of the subsoil conditions, tests, and results of analyses conducted by the geotechnical engineer. Owner will not be responsible for interpretations or conclusions drawn from this data by Contractor. 1. Make additional test borings and conduct other exploratory operations as necessary. 2. The geotechnical report is referenced elsewhere in the Project Manual. C. Survey adjacent structures and improvements, employing a qualified professional engineer or surveyor; establish exact elevations at fixed points to act as benchmarks. Clearly identify benchmarks and record existing elevations. 1. During installation of excavation support and protection systems, regularly resurvey benchmarks, maintaining an accurate log of surveyed elevations for comparison with original elevations. Promptly notify Architect if changes in elevations occur or if cracks, sags, or other damage is evident in adjacent construction. PART 2 - PRODUCTS 2.1 MATERIALS A. Materials need not be new but must be in serviceable condition. B. Structural Steel: ASTM A 36 (ASTM A 36M). C. Steel Sheet Piling: ASTM A 328 (ASTM A 328M) or ASTM A 572 (ASTM A 572M) D. Wood Lagging: Lumber, mixed hardwood, nominal rough thickness of 3 inches (75 mm). PART 3 - EXECUTION 3.1 PREPARATION A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards that could develop during excavation support and protection system operations. 1. Shore, support, and protect utilities encountered. B. Install excavation support and protection systems to ensure minimum interference with roads, streets, walks, and other adjacent occupied and used facilities. 1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction. Provide alternate routes around closed or obstructed traffic ways if required by governing regulations. C. Locate excavation support and protection systems clear of permanent construction and to permit forming and finishing of concrete surfaces. D. Monitor excavation support and protection systems daily during excavation progress and for as long as excavation remains open. Promptly correct bulges, breakage, or other evidence of movement to ensure excavation support and protection systems remain stable. E. Promptly repair damages to adjacent facilities caused by installing excavation support and protection systems. EXCAVATION SUPPORT AND PROTECTION

72 3.2 SOLDIER BEAMS AND LAGGING A. Install steel soldier piles before stating excavation. Space soldier piles at intervals indicated. Accurately align exposed faces of flanges to vary not more than 2 inches (50 mm) from a horizontal line and not more than 1:120 out of vertical alignment. B. Install wood lagging within flanges of soldier piles as excavation proceeds. Trim excavation as required to install lagging. Fill voids behind lagging with soil, and compact. C. Install wales horizontally at centers indicated and secure to soldier piles. 3.3 BRACING A. Bracing: Locate bracing to clear columns, floor framing construction, and other permanent work. If necessary to move a brace, install new bracing before removing original brace. 1. Do not place bracing where it will be cast into or included in permanent concrete work, unless otherwise approved by Architect. 2. Install internal bracing, if required, to prevent spreading or distortion of braced frames. 3. Maintain bracing until structural elements are supported by other bracing or until permanent construction is able to withstand lateral earth and hydrostatic pressures. 3.4 REMOVAL AND REPAIRS A. Remove excavation support and protection systems when construction has progressed sufficiently to support excavation and bear soil and hydrostatic pressures. Remove in stages to avoid disturbing underlying soils and damaging structures, pavements, facilities, and utilities. 1. Remove excavation support and protection systems to a minimum depth of 48 inches (1200 mm) below overlying construction and abandon remainder. 2. Repair or replace, as approved by Architect, adjacent work damaged or displaced by removing excavation support and protection systems. B. Leave excavation support and protection systems permanently in place. END OF SECTION EXCAVATION SUPPORT AND PROTECTION

73 SECTION SOIL EROSION AND SEDIMENT CONTROL PART ONE - GENERAL 1.1 DESCRIPTION A. Work Included: Under this section, the Contractor shall provide all labor, equipment and material necessary to control soil erosion resulting from construction operations and prevent excessive flow of sediment from the construction site, as shown on the Contract Drawings or as specified herein and approved by the Construction Manager. The Contractor shall perform all work required, such work may include the installation of water diversion structures, diversion ditches and sediment basins and seeding, mulching or sodding critical areas to provide temporary protection. 1. In general, work to be included under this section shall include, but not be limited to, the following: a Erosion Control b Sediment Control c Soil Stabilization B. Related Work Described Elsewhere: 1. Earthwork Section QUALITY ASSURANCE A. Standards: 1. Comply with ANSI, OSHA, ASTM and all applicable Federal, State and local codes including revisions to date of contract. 2. Referenced Specifications: a New Jersey Department of Transportation Standard Specifications for Road and Bridge construction, dated 2001, plus addenda when referred to, shall become part of this specification for materials and construction requirements. A referenced Pay Item Number shall serve to describe the required work for this project providing material and construction conforming to all applicable requirements under the NJDOT Specifications except for measurement and payment. The measurement and payment section of the NJDOT Specifications shall not apply as all work under this section shall be included in the contractor's lump sum and unit prices bid for this Contract. Where the referenced specifications cites requirements differing from those included in these specifications, the more stringent, highest quality shall govern. 1.3 EROSION CONTROL A. General: Erosion control procedures shall be utilized along the right-of-way, access roads and stockpile areas as shown on the Contract Drawings or as directed by the Construction Manager. Erosion control shall commence immediately and shall be maintained for the entire duration of the project. 1. The Contractor shall control erosion during all phases of construction, as shown on the Contract Drawings or as directed by the Construction Manager. When no work shall be performed for more than 10 days, work areas shall be protected by temporary seeding, mulching, sodding or the slope lengths shall be reduced by the installation of diversions or other means. When topography permits, debris basins shall be constructed at points of water concentration from critical areas that will remain unprotected longer than 10 days. Earth berms or diversions shall be constructed to intercept and divert runoff water away from critical areas. Diversion outlets shall be stable or shall be stabilized by paving or other means acceptable to the Construction Manager. 1.4 SEDIMENT CONTROL A. General: To allow sediment to settle out of water that interferes with construction before such water enters any surface waters, dewatering operations shall direct pumpage as far from the stream bank or receiving water as possible. Care should be taken not to damage or kill vegetation by excessive SOIL EROSION AND SEDIMENT CONTROL

74 watering or by damaging silt accumulation in the discharge area. Settling basins shall be constructed and used as specified by the Construction Manager where necessary to protect vegetation and to achieve environmental objectives. 1. The selection, design and construction of areas where excess excavated material, material hauled in for roads, access roads and stripped top-soil are to be placed, shall be consistent with environmental objectives and constraints. All such areas shall be approved by the Construction Manager. The stockpiling and dispersal of excess material, disposal of stockpile areas and access routes shall not be permitted within or adjacent to areas where siltation to stream corridors and wetlands could occur. PART TWO - PRODUCTS 2.1 SEDIMENT CONTROL A. Silt Fence: Shall consist of Geotextile fabric whose width shall be at least 3 feet to provide for a 2 foot high fence after 1 foot of fabric is buried in the existing soil. Heavy duty silt fence shall consist of Geotextile fabric whose width shall be at least 4 feet to provide for a 3 foot high fence after 1 foot of fabric is buried in the existing soil. Sections of fabric shall be joined in such a manner that, when in operation, the sections work effectively as a continuous fence. Fence posts shall be installed at a slight angle toward the anticipated runoff source. B. Inlet Filters: Inlet filters, consisting of welded wire mesh and Geotextile fabric, shall be installed to control sedimentation at existing and proposed inlet drainage structures. 1. For existing inlet structures, Geotextile fabric shall be placed under the grates, over the curb pieces and extend a minimum of 6 inches beyond. Coarse aggregate size No. 8 shall be placed behind each curb piece and on the Geotextile fabric to secure the fabric in place. 2. Inlet filters shall be removed the same day as scheduled paving operations. C. Inlet Sediment Traps: Inlet sediment traps, consisting of silt fence and temporary stone inlets, shall be constructed to control sedimentation at existing and new inlet drainage structures. 1. The silt fence shall consist of Geotextile fabric whose width shall be at least 3 feet to provide for a 2 foot high fence after 1 foot of fabric is buried in the existing soil. Sections of fabric shall be joined in such a manner that, when in operation, the sections work effectively as a continuous fence. The silt fence shall be installed around the drainage structure and meet into the stone inlets. Fence posts shall be installed at a slight angle toward the anticipated flow. 2. The temporary stone inlets, consisting of coarse aggregate size No. 2, shall be placed in each flow line upgrade of the inlet structure. The coarse aggregate shall be placed on Geotextile fabric which shall be buried in the soil. When sections of Geotextile fabric need to be joined, the sections shall be overlapped a minimum of 18 inches in the direction of flow. PART THREE - EXECUTION 3.1 DUST AND DIRT CONTROL A. Dust Control: The Contractor shall employ construction methods and means that keep flying dust to the minimum and shall provide for the laying of water or other dust control materials on the project and on roads, streets and other areas immediately adjacent to the project limits, wherever traffic or buildings that are occupied or in use, are affected by such dust caused by his hauling or other construction operations. The materials and methods used for dust control are subject to approval and shall be as directed. 1. When calcium chloride is used for dust control, the calcium chloride shall be grade 2 in the form of loose dry granules or flakes and be fine enough to feed through commonly used spreaders at a rate of application of approximately 1.5 pounds per square yard. Care shall be exercised when using calcium chloride on steep slopes in order to prevent the calcium chloride from washing into streams or accumulating around plants. Calcium chloride shall not be applied in solution. SOIL EROSION AND SEDIMENT CONTROL