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PP 24F; Plaza Camino Real Bus Turnout; Precise Plan (PP) (5)
PLAZA CAMINO REAL BUS TURNOUT CARLSBAD, CALIFORNIA SPECIFICATIONS Prepared for: NORTH COUNTY TRANSIT DISTRICT Prepared by: P&D TECHNOLOGIES 1100 Town & Country Road Suite 300 Orange, California 92668 REVISED NOVEMBER 4, 1993 9 VC'J tSl~i$ MAR 9 1894 inf ©F NORTH COUNTY TRANSIT DISTRICT PLAZA CAMINO REAL BUS TURNOUT TABLE OF CONTENTS Section Civil Architectural Electrical Page Special Provisions Section 3 (Green Book) 1 Section 02470 - Streetscape Amenities Division 24 (C.S.I.) 5 Section 02528 - Concrete Curbs, Walk and Seat Wall Division 25 (C.S.I.) 6 Section 02810 - Underground Irrigation System Division 28 (C.S.I.) 8 Section 02830 - Fences Division 28 (C.S.I.) 14 Section 02900 - Landscape Work Division 29 (C.S.I.) 15 Basic Electrical Requirements Division 16 (C.S.I.) 23 CIVIL (Revised 11/4/93) STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTRUCTION (1991 EDITION) SPECIAL PROVISIONS CONSTRUCTION MATERIALS AND METHODS SECTION 3 3-1 EARTHWORK 3-1.1 General. Earthwork shall conform to Section 300 of the Green Book except as modified herein. 3-1.2 Requirements. Add the following to Section 300-1.3.2 of the Green Book: d. Pipelines - Where an existing abandoned pipeline is not otherwise removed by the grading operation, it shall be removed within 20 feet of street area and within all areas of excavation or fill and replaced with properly compacted soils. In all other areas, the pipe shall be completely plugged with concrete or be removed. The removed portion of the pipeline shall be salvaged to the yard of the owner of the utility when required by the Engineer. 3-1.3 Unclassified Excavation. Add the following subsections to Section 300-2.2 of the Green Book: 300-2.2.3 Compressible Soil. Compressible soils such as existing uncontrolled or unacceptable fill, alluvium and colluvium exist within portions of the project site. Where indicated on the plans or required by the Engineer, such compressible soils shall be removed from areas to receive fill or from areas upon which surface improvements are to be placed. The removal of such compressible soil shall be paid for at the Contract Unit Price for unclassified excavation unless it is considered otherwise unsuitable by the Engineer in which case it will be paid for in accordance with Subsection 300-2.2.1 of the Green Book. 3-1.4 Measurement (Unclassified Excavation). Measurement for unclassified excavation is to be included in the quantity for demolition of the existing A.C. Pavement, Concrete Sidewalk, Bus Slab, Bus Shelters, Seatwall and Cross Gutter. 3-1.5 Payment (Unclassified Excavation). Payment for unclassified excavation is to be included in the unit bid price for demolition of the existing A.C. pavement, Concrete Sidewalk, Bus Slab, Bus Shelters, Seatwall and Cross Gutter and no further compensation will be allowed. 3-1.6 Landscape and Irrigation (Unclassified Excavation). Removal of landscape and irrigation material shall conform to Subsection 300-1.1 (Clearing and Grubbing) of the Green Book. Trees, shrubs and ground cover shall be disposed of offsite and not be used as fill material. Payment for removal of landscaping and irrigation materials shall be included in the unit bid price for demolition and no further compensation will be allowed. 3-1.7 Preparation of Fill Areas. Add the following to Section 300-4.2 of the Green Book: Areas to receive fill, including over-excavated areas pursuant to Subsection 300-2.2 shall be scarified to a depth of 6 to 8 inches, brought to near optimum moisture conditions and compacted to at least 90 percent relative compaction. 3-1.8 Measurement and Payment (Unclassified Fill). The quantity and unit cost used in determining payment for unclassified fill shall be included in the unit bid price for installing A.C. Paving, Sidewalk, Bus Slab, Seatwall, and Cross Gutter and no further compensation will be allowed. 3-1.9 Adjustment of Valves and Vaults. Adjustment of valves and vaults within the work area to finished grade shall be the responsibility of the Contractor. Payment for such adjustments shall be included in the bid price for demolition and no further compensation will be allowed. 3-2 SUBGRADE PREPARATION 3-2.1 General. Modify Section 301-1.3 of the Green Book to include the applicable portions of the Regional Supplement Amendments relating thereto. 3-3 ALTERNATE ROCK PRODUCTS, ASPHALT, CONCRETE, PORTLAND CEMENT CONCRETE AND UNTREATED BASE MATERIAL 3-3.1 General. Modify Sections 400-1 through 400-4 to include the applicable portions of the Standard Special Provisions relating to those sections. 3-3.2 Combined Aggregates. Add the following to Section 400-4.3 of the Green Book: "The exact percentage of asphalt to be included in the mix shall be subject to the approval of the Engineer." 3-4 ASPHALT CONCRETE 3-4.1 General. Modify Section 203-6 of the Green Book to include the applicable portions of the Regional Supplement Amendments relating to that section. 3-5 PORTLAND CEMENT CONCRETE 3-5.1 General. Modify Section 201-1 of the Green Book to include the applicable portions of the Regional Supplement Amendments relating to that section. 3-5.2 Job Site Mixing. Job site mixing will not be permitted except as allowed pursuant to Subsection 201-1.4.1 of the Green Book or as otherwise authorized by the Engineer. 3-5.3 Colored Concrete. Colored concrete shall be dark grey chromix C-34 as manufactured by L.M. Scofield Company, or approved equal. Measurement and payment for colored concrete shall be included in the unit price for the concrete bus slab and cross gutter in accordance with subsection 302-6.8 and no additional compensation will be allowed therefor. 3-6 UNTREATED BASE 3-6.1 General. Untreated base shall conform to Section 301-2 of the Green Book on a subgrade prepared in accordance with Section 301-1 thereof as amended herein. 3-6.2 Material. Untreated base shall be crushed aggregate base. 3-6.3 Payment. Measurement and payment for untreated base shall be included in the unit price for concrete bus slab, concrete cross gutter and A.C. pavement and no additional compensation will be allowed therefore. 3-7 ASPHALT CONCRETE PAVEMENT 3-7.1 General. Asphalt concrete pavement shall conform to Section 302-5 of the Green Book as modified to include those portions of the Regional Supplement Amendments relating to that section. 3-7.2 Material. Asphalt concrete shall be B-AR-4000. 3-7.3 Payment. The Contract Price Bid shall include the cost of furnishing and applying the seal coat. The quantity shown in the bid schedule for asphalt concrete pavement is based upon a feathering to match the existing pavement section. Payment, at the Unit Price Bid, will be made for the quantity as adjusted to conform to the actual thickness constructed, as determined by Field "R" value tests. No compensation, other than that for the modified quantity, will be allowed for changes to conform to a different thickness of structural section from that shown on the plans. 3-9 CONCRETE CURB AND GUTTER, CURB, SIDEWALK, DRIVEWAYS AND PEDESTRIAN RAMPS 3-9.1 General. The above items shall conform to the details shown on the plans and Section 303-5 of the Green Book as modified to permit the use of alternate rock material - Type S as specified in Section 400 of the Green Book as modified herein and as Section 303-5 of the Green Book is modified by the applicable portions of the Regional Supplement Amendments relating to that Section. 3-9.2 Cross Gutter. Cross Gutters are to conform to Standard Drawing G-12 modified to a thickness of 7". 3-9.3 Measurement. The quantity of sidewalk to be paid for will be exclusive of driveways, wheelchair ramps and drainage facilities, such as curb inlets and outlets. 3-10 UNDERGROUND CONDUIT CONSTRUCTION 3-10.1 General. Modify Section 306 of the Green Book to include the applicable portions of the Regional Supplement Amendments relating to that section. 3-10.2 Compaction Requirements. Delete Section 306-1.3.4 of the Green Book and replace with the following: "Trench backfill shall be densified to a minimum of 90 percent relative compaction." 3-17.1 General. The above items shall conform to the requirement of the drawings; to Sections 303-1 and 300-3 of the Green Book; and to the applicable Standard Drawings except as modified herein. For the purpose of this section, Section 303-1 of the Green Book shall be modified to permit the use of alternate rock material - Type S as specified in Section 400 of the Green Book as modified herein. For the purpose of this section, Section 303-1 of the Green Book shall also be modified to include the applicable portions of the Regional Supplement Amendments relating to that section. 3-27 TRAFFIC SIGNING, STRIPING AND PAVEMENT MARKINGS 3-27.1 General. Traffic signing, striping and pavement markings shall conform to the Plans; the State of California Department of Transportation Standard Specifications, (1992 Edition) Sections 82, 91 and 85; and the State of California Department of Transportation Traffic Manual. 3-27.2 Traffic signing, striping and pavement marking shall be paid for at the applicable Lump Sum Bid and shall include full compensation for all labor, tools, equipment, materials and incidentals for doing all work in installing the traffic signing, striping and pavement markings. END OF SECTION ARCHITECTURAL NORTH COUNTY TRANSIT DISTRICT CARLSBAD, CALIFORNIA SECTION 02470 STREETSCAPE AMENITIES PART 1 - GENERAL 1.1 Work Included This section includes materials and installation of streetscape amenities. 1.2 Submittals Submit for review: a. Manufacturers' catalog data and installation specifications b. Shop drawings 1.3 Permits The contractor will be responsible for obtaining and paying for any and all necessary permits from the City or other governmental authorities. PART 2 - PRODUCTS Products provided and installed by the Contractor: 2.1 Bus Shelter Construct and install in accordance with drawings and manufacturer's specifications Model/C4X1C-GL187.5 by Ace Aluminum Co., 1939 E. Olive, Fresno, CA 93701, (209) 268-3051. 2.2 Trash Receptacles Install in accordance with drawings and manufacturer's specifications Model "A" by Form Products, P.O. Box 3005, Newport Beach, CA 92663, (714) 673-4617, color - natural grey. 2.3 Drinking Fountain Install in accordance with drawings and manufacturer's specifications Model #3176 by Haws Drinking Faucet Co., P.O. Box 1999, Berkeley, CA 94701, (415) 525-5801, exposed aggregate finish, color -natural grey. 2.4 Newsrack Install in accordance with drawings and manufacturer's specifications Model #NRS-4 by Dura Art Stone, 15336 P.O. Box 666, Fontana, CA 92335, (714) 350-9000, exposed aggregate finish, color -natural grey. END OF SECTION SECTION 02528 CONCRETE CURBS, WALK AND SEAT WALL PART 1 - GENERAL 1.1 Work Included A. Provide all materials, labor and equipment for installation of concrete curbs and seat wall. B. Conform to Section 303-5 Concrete Curbs, Walks, Gutters, Cross Gutters, Driveways and Alley Intersections of the Standard Specifications as modified in this section. 1.2 Related Work Described Elsewhere A. Concrete: 03300 B. Concrete reinforcement: 03200 PART 2 - PRODUCTS 2.1 Concrete See Civil Specifications 2.2 Crushed Rock Base See Civil Specifications 2.3 Sand See Civil Specifications PART 3 - EXECUTION 3.1 Preparation of Subgrade Excavate and shape subgrade for curbs, walk and seat wall to line, grade and cross section. Compact subgrade until the top 12 inches are compacted to 95% relative compaction. Remove all soft material disclosed by compacting and replace with crushed rock base. The finished subgrade shall be within a tolerance of +/- 0.02 of a foot of the grade and cross section shown and shall be smooth and free from irregularities at the specified relative compaction. The subgrade shall be considered to extend over the full width of the base course. 3.2 Placing Crushed Rock Base After the subgrade for curbs an walk is compacted and at the proper grade, spread 4" thick crushed rock base material. Sprinkle with water and compact. Top of the compacted base material shall be at the proper level to receive the concrete. Compact crushed rock base to 95% relative density. 3.3 Setting Forms Set forms in accordance with Section 303-5.2 of the Standard Specifications. Tops of forms shall not depart from gradeline more than 1/4" when checked with 10-foot straight edge. Alignments of straight sections shall not vary more than 1/4" in 10 feet. 3.4 Curbs Construction A. Construct curbs, curb to line and grade shown. Curbs shall conform to the details shown on the plans. B. Construct ramps in accordance with the details and locations as shown on the drawings. C. Place preformed asphalt-impregnated expansion joints and weakened plane joints as shown in Standard Drawings G-9 and G-10. D. Finished curb shall present a uniform appearance for both grade and alignment. Remove any section of curb showing abrupt changes in alignment or grade or which is more than 1/4" away from its location as staked and construct new curb in its place at no additional cost to the Owner. 3.5 Walk Construction A. Construct walk to line and grade shown. B. Place preformed non-asphalt expansion joints as shown on plans. C. Thickness shall be four inches. D. Reinforcement shall be done with 6x6 WWM. E. Exposed aggregate shall be No. 3 as per Section 200-1 of the Standard Specifications. F. Finished walk shall present a uniform appearance. 3.6 Seat Wall Construction A. Construct seat wall as shown on plans and engineers recommendations. END OF SECTION SECTION 02810 - UNDERGROUND IRRIGATION SYSTEM PART 1 - GENERAL 1.1 Related Documents A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 CSI Specification sections, apply to work of this section. B. State of California, California Administrative Code, Title 17-"Regulations Relating to Cross Connections". 1.2 Description of Work A. Extent of underground irrigation system is shown on drawings. B. Refer to Division-16 CSI Specifications sections for electrical service for automatic control system. 1.3 Quality Assurance A. Manufacturer Qualifications: Provide underground irrigation system as a complete unit produced by a single acceptable manufacturer, including heads, valves, controls, and accessories. 1.4 Submittals A. Product Date: Submit manufacturer's technical data and installation instructions for underground sprinkler system. PART 2 - PRODUCTS 2.1 Acceptable Manufacturers A. Manufacturer: Subject to compliance with requirements, provide products of the following: 1. Rain Bird Sprinkler Mfg. Corp. 2. James Jones Company 2.2 Materials A. Pressure Pipe: Comply with following: 1. PVC plastic pipe, schedule 40, Type 1220 B. Circuit Pipe (downstream from circuit valves): Comply with following: 1. PVC plastic pipe, Class 200, Type 1220. C. Pipe Fittings: Comply with following: 1. For PVC plastic pipe, ASTM D 2466 socket fittings with ATM D 2564 solvent cement. 2. For brass pipe, class 125, pressure rating 1, American standard pipe thread, 85% red brass, conforming to ANSI B16.15. D. Valves: Manufacturer's standard, of type and size indicated, and as follows: 1. Provide cast bronze bodies, unless otherwise indicated. 2. Manual Circuit Valves: Globe valves. 3. Key Operated Valves: Manual valves, fitted for key operation. a. Furnish 2 valve keys, 3-feet long with tee handles and key end to fit valves. 4. Automatic Circuit Valves: Plastic body globe valves operated by low-power solenoid, normally closed, manual flow adjustment. 5. Automatic Drain Valves: Designed to open for drainage when line pressure drops below 3 psi. E. Backflow Preventer: Manufacturer's standard, type as indicated, backflow preventer shall meet standards set by state of California, California Administrative Code, Title 17 - "Regulations Relating to Cross Connections". Backflow preventer shall be fitted with resilient seated test cocks, and with resilient seated shut-off valves capable of isolating the device from the rest of the sprinkler system. F. Sprinkler Heads: Manufacturer's standard unit design to provide uniform coverage over entire area of spray shown on drawings at available water pressure, as follows: 1. Flush Surface: Fixed pattern, with screw-type flow adjustment. 2. Bubbler: Fixed pattern, with screw-type flow adjustment. 3. Shrubbery: Fixed pattern, with screw-type flow adjustment. 4. Pop-Up Spray: Fixed pattern, with screw-type flow adjustment and stainless steel retraction spring. 5. Pop-Up Rotary Spray: Gear drive, full circle and adjustable part circle type. 6. Pop-Up Rotary Impact: Impact drive, full circle and part circle as indicated. 7. Above-Ground Rotary Impact: Impact drive, full circle and part circle as indicated. G. Valve Box: Precast concrete H. Valve Cover and Frame: Cast iron with provision for locking. I. Drainage Backfill: Cleaned gravel or crushed stone, graded from 3" maximum to 3/4" minimum. 2.3 Automatic Control System A. General: Furnish low voltage system manufactured expressly for control of automatic circuit valves of underground irrigation systems. Provide unit of capacity to suit number of circuits as indicated. B. Exterior Control Enclosure: Manufacturer's standard weatherproof enclosure with locking cover, complying with NFPA 70 (National Electric Code). C. Interior Control Enclosure: Manufacturer's standard with locking cover, complying with NEPA 70. D. Transformer: To convert building service voltage to control voltage of 24 volts. E. Circuit Control: Each circuit variable from approximately 5 to 60 minutes. Include switch for manual or automatic operation of each circuit. F. Timing Device: Adjustable, 24-hour and 7 or 14 day clocks to operate any time of day and skip any day in a 7 or 14 day period. 1. Allow for manual or semi-automatic operation without disturbing preset automatic operation. G. Control wire: All direct burial control wire shall be AWG-UF #14-600 volt U.L. approved. Wire colors shall be provided as follows: neutral wire: white spare wires: red pilot wires: yellow H. Wire splices: Waterproof connectors for wire splices shall be "Scotch-pac", "Pen-tite", "Dri-splice", or equal. PART 3 - EXECUTION 3.1 System Design A. Design Pressures: As indicated on drawings, at connection to building system and at last head in circuit. B. Location of equipment: The plans are diagrammatic. All irrigation equipment shall be located in planting areas and not in paved areas, unless specifically indicated otherwise on the drawings. C. Location of Heads: Design location is approximate. Make minor adjustments as necessary to avoid plantings and other obstructions. D. Minimum Water Coverage: 1. Turf areas, 95% 2. Other planting areas, 85 % E. Layout may be modified, if necessary to obtain coverage, to suit manufacturers standard heads. Do not decrease number of heads indicated unless otherwise acceptable to Architect/Engineer. 3.2 Trenching and Backfilling A. General: Excavate straight and true with bottom uniformly sloped to low points. B. Protect existing plantings to remain. Replace damaged plants with new to match existing. C. Trench Depth: Excavate trenches to a depth of 3* below invert of pipe, unless otherwise indicated. D. Minimum Cover: Provide following minimum cover over top in installed piping: 1. Pressure main line piping, 18" 2. Lateral non-pressure piping, 12" 3. All piping under paved areas, 24" E. Backfill: Backfill with clean material from excavation. Remove organic material as well as rocks and debris larger than 1" diameter. Place acceptable backfill material in 6" lifts, compacting each lift. F. Pavements: Where existing pavements must be cut to install irrigation system, cut smoothly to straight lines 6" wider than trench. G. Remove cut-out pavement and excavated material from the site. H. At walkways, jack piping under paving material, if possible. 10 H I. Repair or replace pavement cuts with equivalent materials and finishes. 3.3 Installation A. General: Unless otherwise indicated, comply with requirements of Uniform Plumbing Code. B. Connection to Main: Connect to existing building piping in location indicated. 1. Connect to existing stub. Install new valve and union. C. Maintain uninterrupted water service to building during normal working hours. Arrange for temporary water shut-off with Architect/Engineer. D. Backflow Preventer: 1. Reduced pressure principle backflow preventer shall be installed upstream of remote control valves, and a minimum of 12" above finished grade. 2. Pressure vacuum breaker shall be installed upstream of remote control valves, and a minimum of 12" above finished grade and 12" above the highest sprinkler head or outlet on the irrigation system. 3. Atmospheric vacuum breaker shall be installed downstream of remote control valve, and a minimum of 12" above finished grade and 12" above the highest sprinkler bead or outlet on the lateral line which the A.V.B. protects. 4. Provide union on downstream side of backflow preventer 5. Contractor shall no install any backflow prevention device such that the device is capable of being submerged in water. E. Circuit Valves: Install in valve box, arranged for easy adjustment and removal. 1. Provide union on downstream side. 2. Adjust automatic control valves to provide flow rate of rated operating pressure required for each sprinkler circuit. F. Piping: Lay pipe on solid subbase, uniformly sloped without humps or depressions. 1. For circuit piping, slope to drain valve at least 1/2" in 10' of run. 2. At wall penetrations, pack the opening around pipe with non-shrink grout. At exterior face, leave a perimeter slot approximately 1/2" wide by 3/4 inch deep. Fill this slot with backer rod and an acceptable elastomeric sealant. Repair below grade waterproofing disturbed by this work and make penetration watertight. 3. Install PVC pipe in dry weather when temperature is above 40 deg. F (4 deg. C) in strict accordance with manufacturer's instructions. Allow joints to cure at least 24 hours at temperature above 40 deg. F (4 deg. C) before testing, unless otherwise recommended by manufacturer. 11 G. Fittings: 1. For PVC pipe: Solvent-cemented joints shall be made utilizing PVC pipe cleaner, primer, and glue of one manufacturer and per the pipe and the glue manufacturer's recommendations. Contractor shall ensure that ali PVC pipe is lightly shaded and chemically cleaned down Co virgin plastic prior to priming and gluing. Threaded joints shall be made with two wraps of 3/4" teflon ribbon tape, and without recourse to wicks or fillers. Not more than three threads shall remain exposed on the pipe and nipples. 2. For brass pipe: Install with pipe joint compound applied to male end only. H. Drain Pockets: Excavate to sizes indicated. Backfill with acceptable drain material to 12" below grade. Cover drain material with a sheet of 30 Ib. asphalt saturated felt and backfill remainder with excavated material. 1. Restore plantings disturbed by this work. I. Sprinkler Heads: Flush circuit lines with full head of water and install heads after hydrostatic test is completed. 1. Install lawn heads at manufacturer's recommended heights. 2. Install shrubbery heads at heights indicated. 3. Locate part-circle heads to maintain a minimum distance of 4" from walls and 2" from other boundaries, unless otherwise indicated. 4. Adjust all irrigation heads to minimize overthrow onto walks, windows, buildings, parking areas or roadways. J. Dielectric Protection: Use dielectric fittings at connection where pipes of dissimilar metal are joined. K. Automatic controller: 1. Tie into existing controller. 2. Connect remote control valves to controller to correspond with the station numbers as shown on the plans. 3. Attach a weatherproof legend inside each controller door stating the areas covered by each remote control valve. L. Control wires: 1. Place direct burial wires in supply line trenches from the controller to the valves wherever possible. Control wires shall be taped with duct tape at 20 foot intervals to the bottom of the supply liens. When wires cannot be installed in the same trench as the supply lines, all wires shall be marked with a continuous yellow colored trench marker tape placed nine inches (9") below finished grade directly above the buried wires. 2. Install 1 spare wire bundled together with the pilot wires. 3. Neutral, pilot and spare wires shall be installed with a two foot (2 ft.) coiled excess wire length at each valve box, pull box, and controller. Each and every wire splice shall be encased in waterproof connectors. Splices shall be made only within valve boxes or pull boxes. 12 3.4 Testing A. General: Notify Architect/Engineer in writing when testing will be conducted. Conduct tests in presence of Architect/Engineer. B. Hydrostatic Test: Test water piping and valves, before backfilling trenches, to a hydrostatic pressure of not less than 100 psi. Piping may be tested in sections to expedite work. Remove and repair piping, connections, valves which do not pass hydrostatic testing. C. Operational Testing: Perform operational testing after hydrostatic testing is completed, backfill is in place, and sprinkler heads adjusted to final position. 1. Demonstrate to Architect/Engineer that system meets coverage requirements and that automatic controls function properly, 2. Coverage requirements are based on operation of one circuit at a time. D. After completion of grading, seeding or sodding, and rolling of grass areas, carefully adjust lawn sprinkler heads so they will be flush with or not more than 1/2" above finish grade. END OF SECTION 13 SECTION 02830 - FENCES PART 1 - GENERAL 1.1 Work Included A. Provide all materials, labor and equipment for installation of ornamental iron fence, posts, and footings. 1.2 Related Work Described Elsewhere A. Concrete - See Civil Specifications. PART 2 - PRODUCTS 2.1 Ornamental Iron Fence and Posts A. Fence shall be made with 1" solid posts, 1" baits, 1" x 2" top and bottom rails. 2.2 Galvanizing A. Ornamental iron fence, posts, hardware and accessories shall be hot-dip galvanized after fabrication incompliance with ASTM specifications A-123-85 "zinc (hot-dipgalvanized) coatings on iron and steel products", and ASTM A-153-82 "zinc coatings (hot-dip) on iron and steel hardware" as applicable. B. All galvanizing slag shall be removed from metal surfaces, prior to application of primer. All metal surfaces shall be cleaned with anchem metalprep 79 or equal by full immersion, followed by immersion in anchem galvprep SG-3 coating chemical or equal, in strict accordance with factory procedures and instructions. 2.3 Primer and Paint A. Primer shall be Hi-Build, Hi-Solid epoxy polymaid color-medium grey applied to a minimum of 2.5 mils dry film thickness as required by the paint manufacturer. B. Finish coat shall be Hi-Build, Hi-solid alphaetic polyurethane with a minimum thickness of 2 mils dry film thickness as recommended by the paint manufacturer. Color as indicated on plans. PART 3 - EXECUTION 3.1 General A. Lay out fence and footings after planting of trees. END OF SECTION 14 SECTION 02900 - LANDSCAPE WORK PART 1 - GENERAL 1.1 Related Documents A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 1 CSI Specification Sections, apply to this Section. 1.2 Summary A. This Section includes provisions for the following items: 1. Planting. 2. Watering. 3. Plant establishment. 4. Soil amendments. 5. Initial maintenance of landscape materials. B. Related Sections: The following sections contain requirements that relate to this Section. 1. Excavation, filling, and rough grading required to establish elevations shown on drawings is specified in Division 2 CSI Specification Section, "Earthwork." 2. Underground sprinkler system is specified in Division 2 CSI Specification Section, "Underground Irrigation System." 1.3 Quality Assurance A. .Subcontract landscape work to a single firm specializing in landscape work/ B. Source Quality Control: 1. General: Ship landscape materials with certificates of inspection required by governing authorities. Comply with regulations applicable to landscape materials. 2. Do not make substitutions. If specified landscape material is not obtainable, submit proof of non- availability to Architect, together with proposal for use of equivalent material. 3. Analysis and Standards: Package standard products with manufacturer's certified analysis. For other materials, provide analysis by recognized laboratory made in accordance with methods established by the Association of Official Agriculture Chemists, wherever applicable. 4. Trees, Shrubs and Plants: Provide trees, shrubs, and plants of quantity, size, genus, species, and variety shown and scheduled for landscape work and complying with recommendations and requirements of ANSI Z60.1 "American Standard for Nursery Stock". Provide healthy, vigorous stock, grown in recognized nursery in accordance with good horticultural practice and free of disease, insects, eggs, larvae, and defects such as knots, sun-scald, injuries, abrasions, or disfigurement. 5. Label at least one tree and one shrub of each variety with a securely attached waterproof tag bearing legible designation of botanical and common name. 15 a. Where formal arrangements or consecutive order of trees or shrubs are shown, select stock for uniform height and spread, and label with number of assure symmetry in planting. 6. Inspection: The Architect may inspect trees and shrubs either at place of growth or at site before planting, for compliance with requirements for genus, species, variety, size, and quality. Architect retains right to further inspect trees and shrubs for size and condition of balls and root systems, insects, injuries and latent defects, and to reject unsatisfactory or defective material at any time during progress of work. Remove rejected trees or shrubs immediately from project site. 1.4 Submittals A. General: Submit the following in accordance with Conditions of Contract and Division 1 CSI Specification Sections. B. Soils Test: Furnish Architect with written soils analysis by recognized laboratory made in accordance with methods established by the Association of Official Agriculture Chemists. Soils and analysis shall include recommendations for any changes to specified soil amendments which are deemed necessary as a result of the soils test. C. Plant and Material Certifications: 1. Certificates of inspection as required by governmental authorities. 2. Manufacturer's or vendor's certified analysis for soil amendments and fertilizer materials. 3. Label data substantiating that plants, trees, shrubs and planting materials comply with specified requirements. 4. Seed vendor's certified statement for each grass seed mixture required, stating botanical and common name, percentages by weight, and percentages of purity, germination, and weed seed for each grass and species. D. Maintenance Instructions: Typewritten instructions recommending procedures to be established by Owner for maintenance of landscape work for one full year. Submit prior to expiration of required maintenance period(s). 1.5 Delivery. Storage and Handling A. Packaged Materials: Deliver packaged materials in containers showing weight, analysis, and names of manufacturer. Protect materials from deterioration during delivery, and while stored at site. B. Trees and Shrubs: Provide freshly dug trees and shrubs. Do not prune prior to delivery unless otherwise approved by Architect. Do not bend or bind-tie trees or shrubs in such manner as to damage bark, break branches, or destroy natural shape. Provide protective covering during delivery. Do not drop stock during delivery. C. Deliver trees and shrubs after preparations for planting have been completed and plant immediately. If planting is delayed more than six hours after delivery, set trees and shrubs in shade, protect from weather and mechanical damage, and keep roots moist by covering with mulch, burlap or other acceptable means of retaining moisture. D. Do not remove container-grown stock from containers until planting time. 16 1.6 Joh Conditions A. Utilities: Determine location of underground utilities and perform work in a manner which will avoid possible damage. Hand excavate, as required. Maintain grade stakes set by others until removal is mutually agreed upon by parties concerned. B. Excavation: When conditions detrimental to plant growth are encountered, such as rubble fill, adverse drainage conditions, or obstructions, notify Architect before planting. 1.7 Sequencing and Scheduling A. Planting Time: Proceed with, and complete landscape work as rapidly as portions of site become available, working within seasonal limitations for each kind of landscape work required. 1. Correlate planting with specified maintenance periods to provide maintenance from date of substantial completion. 1.8 Special Project Warranty A. Warranty trees and shrubs through specified maintenance period, and until final acceptance. B. Remove and replace trees, shrubs, or other plants found to be dead or in unhealthy condition during warranty period. Make replacements during growth season following end of warranty period. Replace trees and shrubs which are in doubtful condition at end of warranty period; unless, in opinion of Architect, it is advisable to extend warranty period for a full growing season. 1. Another warranty inspection will be conducted at end of extended warranty period, if any, to determine acceptance or rejection. Only one replacement (per tree, shrub or plant) will be required at end of warranty period, except for losses or replacements due to failure to comply with specified requirements. PART 2 - PRODUCTS 2.1 Topsoil A. Topsoil will be protected in place for re-use in landscape work. If quantity of stockpiled topsoil is insufficient, provide additional topsoil as required to complete landscape work. 2.2 Soil Amendments A. Sawdust: Nitrolized fir or redwood shavings, free of chips, stones, sticks, soil, or toxic substances and with 7.5 pounds of nitrogen uniformly mixed into each cubic yard of sawdust. 1. Particle size, dry weight basis: • Percent Passing Sieve Size 95-100 1/4" mesh 0-3 No. 40 mesh 2. Organic content: 94% as determined by ash analysis. 3. Chemistry: a. Minimum 0.8% nitrogen based on dry weight. b. Minimum 0.8% dilute acid soluble iron based on dry weight. c. Salinity shall not exceed 2.5 millions per centimeter as measured in the saturation extract. B. Commercial Fertilizer: Complete fertilizer of neutral character, with some elements derived from organic sources and containing following percentages of available plant nutrients: 1. Pre-planting: provide fertilizer with not less than 6 percent total nitrogen, 20 percent available phosphoric acid, and 20 percent soluble potash. 2. Planting tablets: tightly compressed, long-lasting, slow release fertilizer tablets manufactured expressly for placing in the root zone of plants and providing not less than 20 percent total nitrogen, 10 percent available phosphoric acid, and 5 percent soluble potash. 3. Post-planting: provide fertilizer with not less than the percentages of total nitrogen, available phosphoric acid, and soluble potash indicated. Provide nitrogen in a form that will be available to lawn during initial period of growth; at least 50 percent of nitrogen to be organic form. C. Agricultural gypsum: commercially packaged powder form, calcium sulfate dihydrate at 95% minimum by volume. D. Soil sulfur: minimum 98% elemental sulfur. E. Iron supplement: Iron sulphate, long lasting, palletized, and shall contain the following minimum available percentages by weight: nitrogen 1 % iron 12% zinc 1% total combined sulfur 17% sulfate sulfur 7% calcium 3 % magnesium 1.5% cobalt .004% copper .06% 2.3 Plant materials A. Quality: Provide trees, shrubs, and other plants of size, genus, species, and variety shown and scheduled for landscape work and complying with recommendations and requirements of ANSI Z60.1 "American Standard for Nursery Stock". B. Deciduous Trees: Provide trees of height and caliper scheduled or shown and with branching configuration recommended by ANSI Z60.1 for type and species required. Provide single stem trees except where special forms are shown or listed. 1. Container grown deciduous trees will be required subject to specified limitations of ANSI Z60.1 for container stock. C. Deciduous Shrubs: Provide shrubs of the height shown or listed and with not less than minimum number of canes required by ANSI Z60.1 for type and height of shrub required. 1. Container grown deciduous shrubs will be required subject to specified limitations for container grown stock. D. Palms: Provide palms of sizes shown or listed. Dimensions indicate minimum height for palms. Provide normal quality palms with well balanced form complying with requirements for other size relationships to the primary dimension shown. 1. Container grown palms will be required subject to specified limitations for container grown stock. 2.4 Miscellaneous Landscape Materials A. Mulch: Organic mulch free from deleterious materials and suitable for top dressing of trees, shrubs, or plants and consisting of one of the following: 1. Fir bark chips, medium texture. B. Stakes and Guys: Provide stakes and deadmen of sound new hardwood, treated softwood, or redwood, free of knot holes and other defects. Provide wire, not lighter than 12 ga. with zinc-coated turabuckles. Provide "cinch-ties", "Wonder Tree-ties", "Worldwide Standard Tree Ties", or equal of uniform color, material, and size to protect tree trunks from damage by wire. PART 3 - EXECUTION 3.1 Preparation - General A. Layout individual tree and shrub locations and areas for multiple plantings. Stake locations and outline areas and secure Architect's acceptance before start of planting work, make minor adjustments as may be required. 3.2 Preparation of Planting Soil A. Before mixing, clean existing soil of roots, plants, sods, stones, clay lumps, and other extraneous materials harmful or toxic to plant growth. B. Mix specified soil amendments and fertilizers with existing soil at rates specified. Delay mixing of fertilizer if planting will not follow placing of planting soil within a few days. C. For pit and trench type backfill, mix planting soil prior to backfilling, and stockpile at site. 1. "Schedule of Backfill Soil mixture Requirements for Planting Container Stock" is attached at end of this section. D. For planting beds, apply amendments on surface of soil and mix thoroughly before planting. 1. "Schedule of Planting Soil Mixture Requirements" is attached at end of this section. 3.3 Preparation for Planting Areas and Lawns A. Fine grade areas to smooth, even surface with loose, uniformly fine texture. Roll, rake, and drag planting areas, remove ridges and fill depressions, as required to meet finish grades. Limit fine grading to areas which can be planted after grading. B. Moisten prepared planting areas before planting if soil is dry. Water thoroughly and allow surface moisture to dry before planting. Do not create a muddy soil condition. 19 C. Restore planting areas to specified condition, if eroded or otherwise disturbed, after fine grading and prior to planting. 3.4 Excavation for Trees and Shrubs A. Excavate pits, beds, and trenches with vertical sides and with bottom of excavation slightly raised at center to provide proper drainage. Loosen hard subsoil in bottom of excavation. 1. For all tress and shrubs, make excavations at least half again as wide as the ball diameter and equal to the ball depth. B. Dispose of subsoil removed from planting excavations. Do not mix with planting soil or use as backfill. C. Fill excavations for trees and shrubs with water and allow water to percolate out prior to planting. 3.5 Planting Trees and Shrubs A. All plants shall have planting tablets placed three inches below grade at the following rates during planting: 1. (2) - 21 gram tablets per each one gallon plant 2. (4) - 21 gram tablets per each five gallon plant 3. (6) - 21 gram tablets per each fifteen gallon plant 4. (1) - 21 gram tablets per each linear four inches boxed material size B. Set stock in planting hole, plumb and in center of pit or trench with top of ball at same elevation as adjacent finished landscape grades. When set, place additional backfill around base and sides of ball, and work each layer to settle backfill and eliminate voids and air pockets. When excavation is approximately 2/3 full, water thoroughly before placing remainder of backfill. Repeat watering until no more is absorbed. Water again after placing final layer of backfill. C. Set container grown stock, as specified; cut cans on 2 sides with an approved can cutter; remove bottoms of wooden boxes after partial backfilling so as not to damage root balls. D. Dish top of backfill to allow for mulching. E. Mulch pits, trenches, and planted areas. Provide not less than following thickness of mulch, and work into top of backfill and finish level with adjacent finish grades. 1. Provide 2 inches thickness of mulch. F. Prune, thin out, and shape trees and shrubs in accordance with standard horticultural practice. Prune trees to retain required height and spread. Unless otherwise directed by Architect, do not cut tree leaders, and remove only injured or dead branches from flowering trees, if any. Prune shrubs to retain natural character. G. Remove an replace excessively pruned or misformed stock resulting from improper pruning. H. Guy and stake tress immediately after planting, as indicated. I. Broadcast all planting areas (excluding lawn areas) with post-planting commercial fertilizer (12-12-12) at the rate of 8 Ibs. per one thousand square feet after all plants are installed. 20 3.6 Maintenance A. Begin maintenance immediately after planting. B. Maintain trees, shrubs, and other plants until final acceptance, but in no case, less than following period: 1. 60 days after substantial completion of planting. C. Maintain trees, shrubs, and other plants by pruning, cultivating, and weeding as required for healthy growth. Restore planting saucers. Tighten and repair stake and guy support and reset trees and shrubs to proper grades or vertical position as required. Restore or replace damaged wrappings. Spray as required to keep trees and shrubs free of insects and disease. 3.7 Cleanup and Protection A. During landscape work, keep pavements clean and work area in an orderly condition. B. Protect landscape work and materials from damage due to landscape operations, operations by other contractors and trades, and trespassers. Maintain protection during installation and maintenance periods. Treat, repair, or replace damaged landscape work as directed. 3.8 Inspection and Acceptance A. When landscape work is completed, including maintenance, Architect will, upon request, make an inspection to determine acceptability. 1. Landscape work may be inspected for acceptance in portions as agreeable to Architect, provided each portion of work offered for inspection is complete, including maintenance. B. When inspected landscape work does not comply with requirements, replace rejected work and continue specified maintenance until reinspected by Architect and found to be acceptable. Remove rejected plants and materials promptly from project site. PART 4 - SCHEDULES 4.1 Schedule of Planting Soil Mixture Requirements Thoroughly incorporate into soil and following to the depth of six inches minimum at the rate shown per thousand square feet: Item Lawn Planted Areas nitrogen-treated redwood shavings 6 cu. yds. 4 cu. yds. fertilizer (pre-planting) 25 Ibs. 25 Ibs. agricultural gypsum '80 Ibs. 80 Ibs. soil sulfur 25 Ibs. 25 Ibs. iron supplement 10 Ibs. 10 Ibs. 21 4.2 Schedule of Backfill Soil Mixture Requirements for Planting Container Stock Backfill for all container stock one gallon or larger shall be one part nitrogen treated redwood shavings by volume, thoroughly mixed with two parts native soil. END OF SECTION 22 ELECTRIAL SECTION 16010 - BASIC ELECTRICAL REQUIREMENTS PART 1 - GENERAL A. General Conditions 1. All work shall be done according to the approved plans and specifications, the current Standard Specifications for Public Works Construction (Green Book) the San Diego Regional Standard Drawings as modified by the City of Carlsbad standards, the City of Carlsbad Supplemental Standard Drawings and, all applicable City of Carlsbad ordinances. 2. All electrical equipment shall conform to the standards of the National Electrical Manufacturers Association (NEMA), the Underwriters' Laboratories Inc. (UL), wherever applicable. In addition to the requirements of the plans and specifications, all materials shall conform where applicable to the requirements of the National Electrical Code, hereinafter referred to as the Code; California Administrative Code, Title 7, Subchapter 5, Electrical Safety Orders; and Rules for Construction of Underground Electric Supply & Communication Systems, General Order No. 128 of the Public Utilities Commission; Standards of the American Society for Testing and Materials (ASTM); American National Standards Institute (ANSI); and any local ordinances which may apply. B. Work Included: Labor, materials, appliances, tools, equipment necessary for and incidental to performing all operations in connection with furnishing, delivery and installation of the work of the Electrical Section, complete, as shown on the drawings and/or specified herein. Work includes, but is not necessarily limited to the following: 1. Examine all other sections for work related to those other sections and required to be included as work under these sections. C. General Summary of Electrical Work: 1. The specification and drawings are intended to cover a complete operation of systems. The omission of expressed reference to any item of labor or material for the propose execution of the work in accordance with present practice of the trade will not relieve the Contractor from providing such additional labor and materials. 2. Refer to the drawings an shop drawings of other trades for additional details which affect the proper installation of this work. Diagrams and symbols showing electrical connections are diagrammatic only. Wiring diagrams do not necessarily show the exact physical arrangement of the equipment. 3. If there are omissions or conflicts between the drawings and specifications, clarify these points with the Architect before submitting bid. 4. This specification, the drawings and General Conditions cover the complete furnishings and installation of the electrical systems and all related work. D. Permits and Inspections: The Contractor shall apply and pay for permits required by any of the legally constituted public authorities for the installation or construction of the work included under this Division. The Contractor shall arrange and pay for any inspections or examinations so required and deliver certificate of such inspections to the Architect. 23 E. Examination of Drawings and Site: The Contractor shall carefully examine the site and existing buildings, shall compare the drawings with the existing electrical installations, and shall thoroughly familiarize himself with the existing conditions within the scope of this work. By the act of submitting a bid, the Contractor will be deemed to have made such examination and to have accepted such conditions and to have made allowance therefore in preparing his bid. F. Verification of Dimensions: 1. Scaled and figured dimensions are approximate and are given for estimating purpose only. Before proceeding with the work, the Contractor shall carefully check and verify all dimensions and sizes and shall assume responsibility for the fitting of his equipment and materials to other parts of the equipment and to the structure. G. Protection of Finish: 1. The Contractor shall provide adequate means for, and shall fully protect finished parts of the materials and equipment against damage from any cause during the progress of work and until acceptance by the Architect. 2. Materials and equipment in storage and during construction shall be covered in such a manner that no finished surfaces will be damaged, marred or splattered with paint, and moving parts shall be kept perfectly clean and dry. 3. Damaged material or equipment shall be replaced or refmished by the manufacturer at no expense to the North County Transit District. H. Cleaning Equipment and Premises: Thoroughly clean all parts of the materials and equipment. Exposed parts shall be thoroughly cleaned of cement, plaster and other materials, and all oil and grease spots shall be removed with a non-inflammable cleaning solvent. I. Selection and Ordering Materials and Equipment: Within two (2) weeks after award of the contract, the Contractor shall submit ten (10) copies of detailed and dimensional shop drawings to the Architect for checking and review. 2. When loose-leaf catalog sheets are used they shall be assembled in a secure three-hole punched-cover booklet. The Contractors names, project name and address shall appear on the cover. K. Product Substitutions: Bidders wishing to obtain approval of an article, device, product or fixture other than the ones specified by name, make or catalogue number shall request approval for substitution no less than ten (10) days prior to bid date. Only one substitution per item will be considered. Requests for substitutions less than 10 days from bid date or after the bid date will be considered nonresponsive and ineligible for consideration. PART O- PRODUCTS A. Materials: 1. Materials and equipment shall be new unless specifically noted otherwise. 24 2. Within two (2) weeks after award of contract, the contractor shall deliver to the Architect a complete list of all materials, equipment, apparatus and fixtures which he proposed to use. List shall include size, name of manufacturer and such other information required to identify the items, or shall sate that all materials furbished will be as specified. Where specifications show a choice, the Contractor shall indicate the selection made, listing only one brand, type or manufacturer. B. Non-Specified Equipment or Materials: In the event equipment or materials are indicated on the drawings but not described as to type or quality, etc., either on the drawings or in the specifications, the Contractor shall determine from the Architect, prior to submitting his bid, what this descriptive information is and shall based his bid accordingly. Should he hail to do this, he shall furnish such equipment and materials as later indicated to be the 2intent of the Architect without change in contract price. C. Anchor Bolts: Anchor bolts shall conform to ASTM A 307, and shall be provided with two nuts and two washers each. Anchor bolts, nuts and washer shall be galvanized by the hot-dip process conforming to ASTM A 153, or cadmium plated with Type NS coating conforming to ASTM A 165. All nuts shall be symmetrically formed with the hole centered and at right angles to the face, tapped to fit a corresponding thread so that nut can be run the entire length of the thread by the fingers without undue forcing, and without noticeable platy or rocking. 1. Conduit and conduit fittings shall be galvanized by the hot-dip, electro depositing, or metallizing process. Galvanized conduit shall conform to standards for rigid steel conduit as specified by Underwriters' Laboratories, Inc., and shall bear the Underwriters' label on each length. 2. Conduits shall be of the size indicated on the Plans. It shall be the option of the Contractor to use larger conduit than that specified, provided that where such substitution is made, it shall be for the entire length of the conduit run. No reducing fittings will be permitted. The ends of the conduit shall be free of burrs and rough edges. The maximum bend of a conduit shall be 90 degrees and the minimum radius of a factory bend shall be 12 inches (300mm). 3. All threads shall be treated with approved joint compound before fittings are placed thereon. Where the galvanized coating of conduit or fittings has been injured in handling or installing, such damaged areas shall be thoroughly painted with a rust preventive paint. Ends of conduit shall be properly coupled. Running threads, threadless connectors or threadless couplings will not be permitted. E. Wire: 1. Copper wire shall conform to the applicable portions of ASTM B 3 and B 8. Wire sizes shall be based on American Wire Gage (AWG) and as shown on plans. 2. Where isolating transformers or ballasts are used, the secondary conductors from transformer to luninaire shall be insulated No. 10 AWG solid copper wire. Multiple-circuit conductors shall be of a size indicated on the Plans. Insulation for such conductors shall be rated and UL approved for 600-volt operation, and shall be standard THW or THWN grade polyvinyl chloride, conforming to the applicable provisions of ASTM D 2219 and D 2220. 25 PART III - EXECUTION A. Excavation and Backfill: 1. The excavations required for the installation of conduit, foundations and other equipment shall be performed in such a manner as to cause the least possible damage to the streets, sidewalks and other improvements. The trenches shall not be excavated wider than necessary for the proper installation of the electrical equipment or foundation. Excavating shall not be performed until just prior to installation of equipment.; The materials from the excavation shall be placed in a location to cause the least obstruction to surface drainage and vehicular and pedestrian traffic. 2. After backfilling, excavations shall be kept well filled and maintained in a smooth and well-drained condition until permanent repairs are completed. At the end of each day, and at all other times when construction operations are suspended, all equipment, material and debris shall be removed from that portion of the right-of-way open for vehicular and pedestrian traffic. Barricades shall be erected at all excavations not backfilled or finished to final grade. B. Standards and Steel Pedestals: 1. Plumbing of standards shall be accomplished by adjusting the nuts on the anchor bolts before the foundation cap is placed. Shims or other similar devices for plumbing or raking will not be permitted. If base covers or foundation caps are not used, anchor bolts shall be cut 1/4 inch (6mm) above the nuts. C. Pull Boxes: 1. Pull boxes shall be installed at the locations shown on the plans. If not shown, they shall be approximately equally spaced but not over 200 feet (60m) apart. It shall be the option of the contractor, at his expense and subject to the approval of the Engineer, to install additional pull boxes that it may desire to facilitate the work. The grade for the top of the pull boxes shall be established as provided for in Subsection 307-2.2. Where practical, pull boxes shown in the vicinity of curbs shall be placed adjacent to the back of curb. Pull boxes where practical shall be installed with the long side parallel to the curb. D. Conduit: 1. All conductors shall be run in conduit except where they are inside standards, or for overhead and temporary installations or otherwise specified. 2. Conduit installed on the surface of poles or structures and foundations shall be unpainted, except that exposed conduit installed on a painted structure shall be painted the same color as the structure. 3. The conduit run on the surface of structures shall be secured with galvanized malleable iron clamps spaced not more than 5 feet (1.5m) apart. • 4. Expansion fittings, shall be installed where the conduit crosses an expansion joint in.a structure. Each expansion fitting shall be provided with a No. 8 AWG copper bonding jumper. 5. Conduit shall be placed to a depth of not less than 30 inches (0.75m) nor more than 50 inches (1.5m) below the flowline grade, except that conduit placed behind a curb shall not be less than 14 inches (350mm) nor more than 36 inches (0.9m) below top of curb and conduit placed under railroad tracks shall not be less than 36 inches (0.9m) nor more than 60 inches (1.5m) below bottom of ties. 26 6. Conduit may be laid on top of the existing pavement within curbed medians being constructed on top of said pavement. Conduit shall be placed as close to the curb as practicable and not more than 36 inches (0.9m) behind the curb unless otherwise approved by the Engineer. 7. Conduit laid in open trench shall not be covered nor shall any trench or inspection hole be backfilled until the installation has been approved by the Engineer. 8. Conduit shall be placed under existing pavement by jacking or drilling methods. Pavement shall not be disturbed without permission from the Engineer. Jacking or drilling pits shall be kept 2 feet (0.6m) clear of the edge of any type of pavement wherever possible. Excessive use of w water, such that pavement might be undermined, or softened, will not be permitted. 9. Conduit shall be bent without crimping or flattening, and shall have a radius of not less than six times the inside diameter of the conduit. 10. Spare conduit stubs from foundations shall extend at least 6 inches (150mm) from the face and at least 14 inches (350mm) below the top of foundation and shall be capped on each end. 11. The ends of all conduits, whether shop or field cut, shall be reamed to remove burrs and rough edges. Cuts shall be made so that the ends will come together for the full circumference thereof. Slip joints or running threads shall not be used for coupling conduit. 12. All conduit fittings shall be galvanized steel. Couplings shall be securely tightened to provide a good electrical and mechanical connection throughout the entire length of the conduit run. When a standard coupling cannot be used, a threaded union coupling approved by the Engineer shall be used. 13. A No. 12 AWG pull wire or equivalent strength cord shall be installed in all conduits which are to receive future conductors. At least 2 feet (0.6m) of pull wire shall be extended beyond each end of the conduit run and secured. 14. All conduit ends shall be capped until the pulling of conductors is started. When caps are removed, the ends of metallic-type conduit shall be provided with threaded conduit bushings. 15. Conduit shall be blow clean with compressed air prior to installing conductors. In the presence of the Engineer, the Contractor may be required to pass a proper size-testing mandrel through all conduit. 16. Conduit terminating in street lighting standards shall not be transposed and shall terminate as near the door of the standard as possible with the end of the conduit below, but within 1 inch (25mm) of the lower edge of the door. The prolongation of the conduit shall pass through the door opening. 17. All conduit ends in pull boxes and standards shall be securely packed with an approved sealant after conductors are installed. 18. All conduit terminated without a pull box shall be capped and identified. E. Wiring: 1. Conductors shall be pulled by hand. Winches or other power actuated pulling equipment shall not be used. Only approved lubrications may be used in placing conductors in conduit. 2. Splices shall be made only in pull boxes and standard bases. Conductors shall be joined by the use of a connector approved by the Engineer. The splice shall be capable of satisfactory operation under continuous submersion in water. 27 3. Conductor insulation shall be well penciled, trimmed to conical shape, and roughened before applying splice insulation. Splice insulation shall consist of layers of vinyl chloride electrical insulating tape, conforming to ASTM D 23201, Type I, applied to a thickness equal to and well lapped over the original insulation. 4. A total of 2 feet (0.6m) of slack shall be left at each standard, and within each pull box sufficient slack shall be left to extend 18 inches (450mm) above the top of pull box grade. 5. Small permanent identification bands shall be marked as specified. The bands shall be securely attached to conductors in pull boxes and near the termination of each conductor insulation, bands need not be used. Permanent identification bands shall be embossed, 6 mil (0.15mm), oil-resistant poiyvinyl chloride tape with pressure-sensitive backing. Tape shall be of a type such that symbols contrast with the background color. F. Bonding and Grounding: 1. Metallic cable sheaths, metallic conduit, nonmetallic conduit grounding wire, ballast and transformer cases, service equipment, sign switches, anchor bolts, and metal standards that form a continuous system shall be effectively grounded. Bonding and grounding jumpers shall be copper wire or copper strap of the same cross-sectional area as No. 8 AWG for all systems, except where noted herein. 2. Bonding of standards shall be accomplished by means of a No. 8 AWG bonding wire attached from a grounding bushing to a foundation bolt or a 3/16 inch (5mm), or larger brass or bronze bolt installed in the lower portion of the standard. 3. The metallic conduit or bonding conductor system shall be securely grounded, at intervals not to exceed 500 feet (150m), to one of the following: 1) A 1-inch (25mm) galvanized pipe driven to a depth of 8 feet (2.4m) and having its upper end not more than 3 inches (75mm) above the conduit, or; 2) A minimum 1/2-inch (13mm) by 8-foot (2.4m) copper weld rod driven to a depth of 7 feet 9 inches (2.3m), or; 3) A metal water service pipe on the street side of meter, with the approval of the owner. The water pipe shall be thoroughly scraped and cleaned prior to connection. 28