Appendix D- Specifications La Veta.docx

COST PROPOSAL FORM

DESIGN/BUILD CONTRACTING SERVICES

STATE OF COLORADO

STATEMENT OF WORK

FOR TELECOMMUNICATIONS TOWER(S)

LA VETA COMMUNICATION SITE

Solicitation # 2016000106

TABLE OF CONTENTS

Section 1 Bidding Requirements / Scope of Work

3.0

Warranty and Conditions

4.0

Section 2 Additional Additive Specifications

Additive Alternate Number 1 Specifications

Section 3 Bidder Response

Vendor Approach

Tower and Foundation Design Drawings

Conformance with Specification

Cost Proposal Form

Section 4 Attachments

Attachment A - OSA Approved Building Codes

Attachment B – Preliminary Site Plan

Attachment C – Grounding Plan and Details

Attachment D – Geotechnical Report

Section 1 Bidding Requirements / Scope of Work

Overall Project Description The project scope includes a design-build turnkey replacement of communication tower at the La Veta site. The existing 100’ self-support tower, to be removed, is to be replaced with a new 100’ self-support tower.

Site Location:

Table 1 – Site Location

105°-10'-15.8'' W The site is located NNW of La Veta, approximately 10 miles. The site is in Huerfano County, Colorado.

The all structures shall be designed for the following criteria:

Table 2 – Design Criteria

General Bid Specifications The equipment herein described is to be utilized as part of the equipment necessary to establish or expand communications systems for the State of Colorado.

The terms “The State” and/or “Purchaser” in this BID refers to the State of Colorado, Governor’s Office of Information Technology (OIT). “Bidder” refers the organization submitting proposals in response to these specifications. “Design/Build Entity” or “Vendor” refers to the successful Bidder after award and execution of the Contract between the State and the Bidder.

This project is contingent on the State receiving the required approvals from the authorities having jurisdiction and the availability of project funding. The State reserves the right to cancel this project before or after bids have been received.

The Bidder shall complete and submit the Bid Bond form, SBP-6.14 with their bid.

Equipment supplied shall meet all current rules and regulations of the Federal Communications Commission and Federal Aviation Agency.

The Vendor is to deliver all equipment F.O.B. destination, freight prepaid and included in cost of equipment. The destination is specified in Table 1 of this document.

Construction shall be completed no later than 12/31/2016 and be per the Master Schedule provided by the Design/Build Entity in their bid. An extension of this period may only be granted under specific conditions and if the Vendor requests and Purchaser accepts in writing.

Construction activity and surface disturbances are prohibited from May 15th to July 15th without prior written approval from the Bureau of Land Management due to concerns with migratory birds.

A pre-bid site visit was mandatory. Bids will not be accepted from vendors that were not in attendance and signed-in at the mandatory site visit.

These specifications do not include any proprietary items, which would preclude any equipment manufacturer from producing equipment to meet these specifications. All mechanical ratings or any technically specified criteria contained within these specifications are currently being met by commercially available equipment. The fact that a manufacturer chooses not to produce equipment to meet these specifications, providing the above criteria are met, will not be considered sufficient cause to adjudge these specifications as restrictive. Should any of the above criteria not be met within these specifications, the bid shall be considered non-responsive.

This is a firm, fixed, lump sum contract and is payable upon final acceptance and inspection. Invoices are paid within forty-five (45) days of submittal to OIT on approved work.

Late submittals will not be accepted and will be rejected as non-responsive.

OIT assumes no responsibility for the cost related to the preparation of any submittals or bids.

Clearly mark the outside of the envelope with the Title and Bid Number. Include four (4) copies of the bid response.

Statewide Contract Management System, If the maximum amount payable to Contractor is $500,000 or greater, either on the Effective Date or at anytime thereafter. Contractor agrees to be governed, and to abide, by the provisions of CRS §24-102-205, §24-102-206, §24-103-601, §24-103.5-101 and §24-105-102 concerning the monitoring of vendor performance on State contracts and inclusion of contract performance information in a statewide contract management system.

The State has partnered with the firm of SCJ Alliance., d.b.a. Engineering Specialties Group (ESG) to assist with specification development, design review, special inspections, project management and post construction documentation for this project.

Warranty and Conditions All equipment installed per these specifications shall be fully warranted by the Design/Build Entity against any mechanical or engineering defect for a period of at least two (2) years from the date of installation. Warranty shall include the tower and all associated support structures including concrete. Any defects of design, workmanship or materials shall be fully corrected by the Design/Build Entity without cost to the State. The equipment shall be warranted to meet, at the time of installation, all requirements of these specifications.

Deficiencies in work shall be corrected by Design/Build Entity. The Design/Build Entity shall promptly correct all deficiencies and/or defects in work and/or any work that fails to conform to the contract documents. All corrections shall be made within fifteen (15) calendar days after such rejected defects, deficiencies, and/or non-conformances are reported to the Design/Build Entity by the State’s project manager. The Design/Build Entity shall bear all costs of correcting such rejected work. If the Design/Build Entity fails to correct the work within the period specified, the State reserves the right to place the Design/Build Entity in default of its contractual obligations, obtain the services of another contractor to correct the deficiencies, and charge the Design/Build Entity for these costs, either through a deduction from the final payment or through an invoice to the Design Build/Entity detailing the costs incurred.

Equipment installed shall be of current design and production.

All Design/Build Entity personnel shall be qualified and certified as appropriate by a recognized authority for the tasks they will perform. This includes climbing certification for all personnel that may be on the tower at any time.

Specifications The Design/Build Entity shall perform its work in a manner that shall meet or exceed the requirements and recommendations of the following standards:

The Project Plans and Specifications;

The International Building Code (IBC) 2012;

The TIA-222-G Structural Standards for Steel Antenna Towers and Antenna Supporting Structures with all Addenda;

The American Concrete Institute (ACI) 2010 Manual of Concrete Practice;

The American Concrete Institute (ACI) 347 Recommended Practice for Concrete Framework;

The American Institute of Steel Construction (AISC) Manual of Steel Construction, 14th Edition;

Research Council on Structural Connections (RCSC) Specification for Structural Joints Using High-Strength Bolts, December 31, 2009;

The 2010 American Welding Society (AWS) D1.1;

The Operational Safety & Health Administration (OSHA);

Motorola Standards and Guidelines for Communication Sites (R56), Chapters 4 and 5;

State of Colorado, Office of the State Architect approved building codes, located in Attachment A; and All other codes and standards adopted by jurisdictions having authority.

Site Design and Construction A preliminary site plan has been made available in Attachment B. This plan has been provided to describe the State’s anticipated site layout. The final site design is the responsibility of the Design/Build Entity.

The Design/Build Entity shall be responsible for having the site surveyed such that they can prepare a site plan. The survey shall be performed by a surveyor licensed in the State of Colorado. The site plan shall be produced and provided under the seal of a Colorado Registered Professional Engineer.

Should site clearing be required or if additional roadway material is needed, it shall be provided by the Design/Build Entity. The State may not own the access roads to the sites and is not responsible to upgrade, modify, or repair them for this project. The Design/Build Entity shall show all areas requiring excavation, backfill, earthmoving and erosion control on the site plan for State review and approval prior to initiating earthwork. The Design/Build Entity shall have written approval from the State for any earthwork prior to initiating work. The Design/Build Entity shall follow all requirements of authorities having jurisdiction.

The Design/Build Entity shall set up a concrete washout area and capture all wash water and debris. The Design/Build Entity shall ensure that no concrete is wasted on site unless approved by the State in writing prior to concrete placement.

The Design/Build Entity shall not create any permanent marking on any structure, the ground or natural object during the construction process.

The Design/Build Entity shall notify the State in writing a minimum of thirty (30) days prior to storing any materials on the site and shall include a summary list of materials to be stored in the notification.

The Design/Build Entity shall not leave any hazardous materials on site unattended at any time. All hazardous materials including fuels, oils and lubricants shall be removed from the site at the end of each day.

The Design/Build Entity shall power wash all equipment brought to the site such that no residual soils or debris are present on the equipment prior to taking the equipment on National Forest Service lands.

The Design/Build Entity shall provide surveying and construction staking to prepare the design, site plan and construct the required structures. This requirement may be waived by the State if deemed unnecessary by the State upon written request from the Design/Build entity.

The Design/Build Entity shall not remove or alter any trees or vegetation without prior written approval of the State.

The Design/Build Entity must notify the State a minimum of thirty (30) days prior to starting earthwork and must request written permission prior to spreading any spoils at the site as the authorities having jurisdiction require notice.

The Design/Build Entity shall install and maintain erosion control devices that conform to the requirements of the authorities having jurisdiction. If failure to maintain such devices results in legal action by authorities, any fines, penalties or legal fees associated with a failure to maintain adequate erosion control during this project shall be the sole responsibility of the Design/Build Entity. The Design/Build Entity is responsible for submitting an Erosion Control Plan a minimum of thirty (30) days prior to prior to mobilization. The Plan shall describe the location, quantity and type of erosion control devices deemed necessary by the Engineer of record.

Upon completion of the project and prior to final acceptance, the Design/Build Entity shall seed all denuded areas within the Design/Build Entity’s limits of construction. The Design/Build Entity shall submit a seeding plan for review by the State and the authorities having jurisdiction. All erosion control devices shall be removed by the Design/Build Entity upon stabilization of all denuded areas. Final payment will not be released until the requirements of this subsection have been satisfactorily completed. This requirement may be waived by the State if deemed unnecessary by the State upon written request from the Design/Build entity.

All excavation and backfill shall meet the following requirements:

The State may reject unsuitable backfill material at its discretion;

The State reserves the right to make minor adjustments in line or grades, as required;

The Design/Build Entity shall not start excavation until the proposed work has been staked out and approved by the State.

The Design/Build Entity shall suspend all earthwork when satisfactory results cannot be obtained because of rain, freezing weather, or other unsatisfactory conditions.

The final and all temporary grading shall be graded by the Design/Build Entity to provide proper surface drainage. The Design/Build Entity shall install all necessary temporary drains and drainage ditches to intercept or divert surface water.

The Design/Build Entity shall locate all underground utilities prior to initiating excavation. Should the location of utilities known to exist not be locatable, the Design/Build Entity shall hand-dig holes to locate the exact position. The Design/Build Entity is responsible for repair and damage to any disrupted or damaged utility during construction.

The Design/Build Entity shall only stockpile soils at locations approved by the State. Stockpiles shall not exceed 15 feet in height.

Backfill material shall be placed in layers and shall be neat optimum moisture content before rolling to obtain the prescribed compaction. Wetting or drying of the material and manipulation to secure uniform moisture content throughout the layer may be required. Should the State identify material as too wet to permit proper compaction by rolling, delay work on portions of the fill until the material has dried to neat optimum moisture.

The Design/Build Entity shall not place frozen material in the backfill, or place backfill material upon frozen material. Design/Build Entity is responsible for covering or heating soils or excavation if necessary.

The Design/Build Entity shall be responsible for the stability of backfills and replace any portion, which has become displaced due to the Design/Build Entity’s operations.

Design/Build Entity shall ensure that the final grade is such that water will move away from any new or existing footings.

The Design/Build Entity shall furnish adequate pumping and piping equipment to handle water disposal and take all precautions to prevent water from entering excavations.

The Design/Build Entity shall use well points, wells, etc., to lower and maintain the static ground water level to at least 1-foot below the bottom of the excavation.

The Design/Build Entity shall keep excavations free of water while being prepared for foundations and until backfill has been completed.

The Design/Build Entity shall dispose of water, providing erosion protection from pump discharge and protecting adjacent properties at all times.

Sediment control for all dewatering activities is required to protect vegetation and habitat downstream from the site. Methods must be pre-approved by the State and the authorities having jurisdiction.

Portable restroom facilities shall be provided by the Design/Build Entity for the duration of the construction project for use by construction personnel, inspectors and other parties authorized to be on site.

Communication Tower Structure The Design/Build Entity shall design, supply and erect all necessary equipment for a fully functional one-hundred (100) foot self-support communication tower compliant with all applicable laws, codes and standards.

The tower design shall support the following existing and future antennae and associated transmission lines:

Table 3 – Tower Equipment Table

Azimuth Waveguide/Coax

Vertical Polarization 6.425-7.125 GHz

Vertical Polarization 6.425-7.125 GHz

Condition Key:

New - The Design/Build Entity shall supply and install new equipment, including antenna, waveguide, mounts and grounding kits that meet the requirements of Section 4.8 this specification.

Future -Tower shall be designed for the load of the specified antenna, but no equipment shall be supplied.

State - The State will relocate the specified equipment. The Design/Bid Entity has no responsibility for this equipment other than providing a tower design capable of supporting the stated equipment loads.

The Design/Build Entity shall supply all equipment necessary to transport and erect the tower according to all applicable laws, codes and standards.

All structural tower components shall be of steel construction.

All steel components shall be fabricated in the United States of America from materials produced in the United States of America.

Mill certificates shall be submitted to the State for all tower components BEFORE materials are delivered on site for approval. Any materials delivered on site without prior approval by the State will be rejected and shall be replaced at the Design/Build Entity’s expense.

All tower components shall be, after fabrication, hot dip galvanized in conformance with ASTM A123 or A153, as appropriate, with no less than two (2) ounces of zinc per square foot of surface area throughout, including nuts and bolts.

All tower components shall be, after galvanization, made to have a dull finsh with a method that is mutually agreed upon by the Design/Build entity and the State.

All structural bolts shall be galvanized ASTM A325 Type 1 and be considered high-strength bolted connections. Only new high-strength bolts shall be used. Should a connection be torqued and then disassembled, the used bolts shall be discarded and replaced with new bolts.

All nuts paired with high-strength bolts shall be galvanized heavy hex nuts conforming to ASTM A563 Gr. DH with supplementary requirements “S1” and S2”.

All washers paired with high strength-bolts shall be galvanized hardened flat washers conforming to ASTM F436 Type 1.

If the bolts provided by the tower manufacturer are not sufficient length to accommodate all of the necessary hardware the vendor shall replace the bolts with ones of sufficient length at no cost to the State.

All bolted connections shall be installed with a nut locking device. ANCO® style nuts or any other nut that damages the galvanization on the bolt will not be accepted. All bolts shall be installed nut-end-up.

All bolts, washers and nuts shall be supplied from one vendor as a fastener assembly, as defined by RCSC.

All tower leg members shall be fabricated from pipes or solid rounds. Tower leg members constructed from a lattice design will not be accepted.

All tower bracing shall be fabricated from angle members.

All structural members shall be fabricated in such a manner to prevent ponding of water and weep holes shall be installed in the bottom of all tubular members. Weep holes shall be at least 0.25 inches in diameter and 0.375 inches in diameter for tubes greater than 2 inches in diameter. If requested by the State, the Design/Build Entity shall demonstrate the functionality of weep holes with a method approved by the State.

Provisions shall be made by the fabricator such that the erector can attach the site grounding system to each tower leg on a plate, welded normal to the tower leg, which does not compromise the strength of the structure. The plate shall be located at the base of the structure and measure approximately 2”x4”x1/4”. Exact size and final location to be determined by the fabricator.

All welding shall conform to the American Welding Society (AWS) Structural Welding Code – Steel, ANSI/AWS D1.1-2006.

The tower and foundations shall meet or exceed all specifications of ANSI/TIA-222-G including all addenda or latest revision and must conform to the manufacturer’s foundation and erection criteria.

The towers shall be designed for the criteria specified in Table 2.

The tower shall not twist more than 1/2 degree (0.5) under service wind conditions.

Under service wind conditions, no point on the tower shall deflect laterally more than five (5) percent of a distance measured from the top of the foundation to that point. Deflections shall be measured in a plane parallel to the ground and distances shall be measured in the vertical direction perpendicular to the ground plane.

The tower shall have a minimum face width of thirty-six (36) inches when measured from the center of a leg to the center of an adjacent leg.

The tower shall be equipped with a climbing ladder spanning from within one (1) foot of the ground to the top of the tower structure. This requirement may be waived by the State if deemed unnecessary by the State upon written request from the Design/Build entity. The ladder shall have a minimum clear width of 16 inches and shall be capable of supporting at least a two-hundred fifty (250) pound point load at any point with factors of safety defined by AISC.

The tower shall be designed for and equipped with a safety-climbing system including four (4) removable mobile fall arrestors with carabiners and a tower mounted climbing cable compliant with OSHA 1910.27 and ANSI A14.3-1984. The safety-climb system shall be installed at the ladder location and allow a climber to remain connected to the safety-climb for the entire length of the ladder. The safety climb cable shall be a 3/8 (0.375) inch diameter cable constructed from a corrosion resistant material and shall comply with the stated requirements.

The tower shall be equipped with a face-mounted waveguide ladder spanning from ten (10) feet above ground level to within five (5) feet of the top of the tower. The ladder shall measure at least 38 5/8” wide and provide mounting locations for at least 12 snap in hangers; 7/16”Ø and 3/4”Ø; Site Pro 1 WCL12 or approved equal. Waveguide ladders shall be supplied with all necessary clamps for the waveguide cables.

All equipment mounted on the tower shall be handled and installed in accordance with manufacturer’s recommendations to prevent damage to the equipment or the tower.

Design/Build Entity shall provide anchor bolts and templates as part of tower.

The tower shall be properly protected during transport, storage and erection as to avoid damage to the tower or the tower member’s finish. Damage to any tower component shall be cause for replacement or repair by the Design/Build Entity at the discretion of the State and at no additional cost to the State.

The tower shall not be loaded in any way until the tower is a complete functioning structural system without prior written consent from the Engineer of Record.

The tower shall be designed and constructed such that trained crews without the use of supplementary field processes such as welding, drilling, cutting, burning, grinding, or reaming, can erect it in the field. It shall also be designed to take into account erection forces to be used.

The tower fabricator shall have an in-house structural steel fabrication quality control program that meets or exceeds the requirements for Category II Certification as set forth by the AISC Quality Certification Program. Any tower fabricator that does not carry an AISC certification shall submit, with their bid, documents that outline their quality control program.

The tower calculations and drawings shall be signed and sealed by a Registered Colorado Professional Engineer. A copy of drawings and materials list shall be submitted to the State for approval prior to procuring materials and erection.

The State may elect to have its designated engineer conduct an independent static analysis of the submitted tower design. Should the static analysis of the Design/Build Entity’s design require modifications to the tower, any costs associated with such modifications shall be the responsibility of the Design/Build Entity. Disagreements in the results of the State’s engineer and Design/Build Entity’s analyses shall be resolved by a mutually agreed upon qualified professional engineer acting as a third party. The State and the Design/Build Entity shall share the cost of the third party analysis equally. The tower shall be erected in a manner that will not affect the transmission of the existing State tower or any other towers in the area.

The Design/Build Entity shall be familiar and adhere to all local building codes, ordinances, and licenses required for erecting the tower. Procedures shall be in accordance with the safety rules and regulations of the industry at all times.

The tower shall be erected in accordance with the erection drawings approved by the State. Under no circumstances should the drawings or tower construction be altered or modified without the specific permission of the Design/Build Entity’s Engineer of Record and the State.

The Design/Build Entity shall erect the tower such that the tower is plumb within 1/4 percent (0.25%) of the vertical distance between levels, the twist does not exceed 1/2 degree (0.5°) between any two (2) elevations and the twist over the structure height does not exceed five (5) degrees.

The tower, in its final erected position, shall be surveyed for plumbness and twist. A written report shall document the amount of variation from true vertical and the amount of twist of the tower mast at the end of each section. If the tower exceeds the verticality and twist requirements of Section 4.3.39, the State shall be informed and the Owner's Engineer, if necessary, will determine an approved corrective procedure. Any costs associated with such corrective procedure shall be the responsibility of the Design/Build Entity.

When handling tower sections, all possible precautions shall be taken to prevent the bottom of the section from contacting the ground surface. Mud, dirt and other foreign matter shall be washed off with potable water prior to erecting the steel.

Fit-up problems and contemplated corrective actions shall be reported to the State. Field corrections or modifications including the replacement of any tower components shall not be implemented without prior approval from the State.

The Design/Build Entity shall make provisions for tower climbers to clean mud and dirt off their feet at the tower base prior to climbing.

The Design/Build Entity shall verify that the as-built foundations, anchors and anchor bolts are compatible with the tower structure prior to initiating assembly of the tower.

The Design/Build Entity shall remove all tower erection and related debris upon completion of the tower and prior to final inspection.

Tower Foundations The Design/Build Entity shall design, supply and construct all necessary components for a fully functional tower foundation/anchor system, compliant with all applicable laws, codes and standards. The Design/Build Entity shall supply all equipment necessary to transport and construct the foundation(s)/anchor(s) according to all applicable laws, codes and standards.

The Design/Build Entity shall design foundations for the maximum calculated loads determined during design.

Foundations shall be designed and constructed per the standards referenced in Section 4.1.

Concrete shall meet or exceed the requirements of ACI 318-11 for type F1 concrete.

Foundation reinforcing shall conform to ASTM A615, Fy =60 ksi.

Reinforcing laps shall be seventy-two (72) bar diameters minimum.

Reinforcing shall be detailed according to the “ACI Detailing Manual SP-66 (04)”.

Minimum reinforcement cover shall be:

Concrete placed against earth: three (3) inches Concrete placed in forms, but exposed to earth (bars #5 and smaller): one and one-half (1.5) inches Concrete placed in forms, but exposed to earth (bars larger than #5): two (2) inches Concrete not exposed to earth (bars #5 and smaller): one and one-half (1.5) inches Concrete not exposed to earth (bars larger than #5): two (2) inches Concrete construction techniques shall conform to the requirements of ACI 318, Chapters 1-7.

Concrete shall have the following properties, as tested by the Design/Build Entity’s Independent Special Inspector unless requested by the Engineer of Record in writing and approved by the State in writing:

Table 4 – Concrete Specifications

Concrete shall be tested prior to placement. Concrete not meeting these requirements may be rejected by the State or their representative at their sole discretion. Adding water or air entrainment on site will only be allowed when approved by the State’s Engineer and the concrete supplier.

Concrete not placed within 90 minutes of charging may be rejected at the sole discretion of the State or its representative.

All concrete shall be vibrated except for slabs 4” or less thick and drilled shafts.

All concrete exposed after backfill with the exception of concrete placed against forms shall be floated and have a broom finish. Horizontal concrete surfaces below finished grade do not require floating but shall be leveled to within +1”/-0” of plan elevation.

Foundations shall not be loaded in any way until tests indicate that the concrete has reached full design strength (100%).

Concrete placement in cold or hot conditions shall follow all requirements of ACI.

Concrete testing shall be in accordance with ACI 318, Section 5.6 and shall meet the following requirements:

At a minimum, three (3) 4 by 8 in. or two (2) 6 by 12 in. concrete test cylinders shall be taken from each concrete truck to be tested at 28 days. An additional two (2) concrete test cylinders shall be taken mid-pour for any concrete remaining in the truck on site more than 40 minutes after arrival on site and each 20 minutes after that time. If the Design/Build Entity wants to take additional cylinders to be tested early, this can be done at their discretion;

All concrete test cylinders shall remain on site in ambient conditions for a minimum of 48 hours following concrete placement;

The requirement for five (5) concrete tests minimum per Section 5.6.2.2 of ACI 318 can be waived as long as the frequency and testing meet the other requirements of the section and this Specification;

The concrete tests shall be taken from concrete just prior to placement and after any addition of water or admixtures. If the concrete does not meet specifications of the mix, corrective actions may be required or the batch may be rejected at the discretion of OIT. Concrete mixed on site shall have the first and last batch (if different) tested each day; and All concrete test specimens shall be taken and prepared by a qualified independent inspector at the expense of the Design/Build Entity.

Prior to concrete placement, all excavations, formwork and reinforcing shall be inspected by the State’s representative.

Concrete inspection reports shall be submitted by the Design/Build Entity to the State within three (3) days of concrete placement.

Drilled shaft foundations as required shall be constructed per the following:

Spiral reinforcing laps shall be seventy-two (72) bar diameters minimum;

Spiral reinforcing shall comply with the requirements of ASTM A625, Fy=60 ksi; and Concrete placement shall be by Tremie method if fall exceeds 6 feet.

Anchor bolts shall be fabricated from material conforming to ASTM F1554 Grade 105 and hot dip galvanized. The minimum length of galvanizing shall be the bolt projection plus three inches.

Anchor bolts shall be fitted with two (2) heavy hex nuts each conforming to ASTM A563 Grade A and hardened flat washers conforming to ASTM F436. All shall be hot dip galvanized.

Unless approved by the State or its representative, all foundations shall be poured from the lowest elevation of the foundation to the highest in that order.

All backfill shall be per the recommendations of the geotechnical report and shall at a maximum placed, compacted and tested in eight (8) inch lifts to a minimum compaction of ninety-five percent (95%) standard proctor per ASTM D1557 prior to placement of the next layer.

Foundations shall be placed within two (2) inches of the as designed location and all anchor bolts shall be placed within 1/4 (0.25) inch of plan position relative to adjacent foundations and within 1/16 (0.0625) inch of plan position relative to adjacent bolts of the same pattern. Anchor bolts shall be installed plumb vertical within 1/32 (0.03125) inch top to bottom.

All shoring required for foundation construction shall be designed by a Registered Professional Engineer.

Cold joints in the foundations shall be cause for rejection if not approved prior to concrete placement by the Design/Build Entity’s Engineer of Record.

Foundation reinforcing shall be bonded to the ground ring in two (2) locations per Section 4.7 of this specification. The bonded connection shall be made with an exothermic weld, bonded to a sacrificial length of #4 rebar that is not part of the foundation reinforcement system. The sacrificial bar shall be wire tied to the foundation reinforcement system.

The tower foundation calculations and drawings are to be signed and sealed by a Registered Colorado Professional Engineer. A copy of drawings and materials list shall be submitted to the State for approval prior to procuring materials and construction.

Tower Removal The existing tower shall be disassembled by the Design/Build Entity within fourteen (14) days of notice of authorization to disassemble the tower by the State.

The existing tower components and hardware shall not be damaged during the disassembly process without prior authorization by the State in writing.

The existing tower shall be disassembled without damage to the existing facilities or the new tower.

The existing tower shall be disassembled in a manner that will not affect the transmission of the new tower or adjacent towers.

The State reserves the right to retain any or all components of the disassembled tower and hardware for its use. The Design/Build Entity shall stack the components that the State wishes to retain in a location on site and in a manner acceptable to the State. Upon notification by the State, the existing tower, abandoned portions of the cable bridge and waveguide shall become the property of the Design/Build Entity and shall be disposed of in a manner consistent with all applicable laws.

The existing antennae, mounts and equipment mounted on the existing tower shall remain the property of the State and shall be removed by the Design/Build Entity and placed on-site in a manner approved by the State and only after the State has given approval. The Design/Build Entity shall replace any equipment damaged during this process. The Design/Build Entity shall have adequate insurance to cover any damage to the State’s equipment or structures.

The foundations for the existing tower need to be removed to a minimum of 24” below finished grade and be covered with native soil.

Design/Build Entity shall breakup and remove concrete cleanout left from previous projects and dispose of in a manner consistent with all applicable laws or as directed by the State. The State may want the demolished concrete to use on another project and will remove debris themselves.

Cable Bridge The Design/Build Entity shall design, supply and erect all necessary equipment for a fully functional cable bridge and foundation that is compliant with all applicable laws, codes and standards. The Design/Build Entity shall supply all equipment necessary to transport and erect the bridge and foundation(s) according to all applicable laws, codes and standards.

The cable bridge shall comply with the following criteria:

The cable bridge shall be nominally ten (10) feet above grade in elevation;

The cable bridge shall be a minimum of twenty-four (24) inches wide;

The cable bridge shall have the appropriate grating or other protective covering to protect the waveguides from falling ice. The ice shield shall be designed to withstand a total uniform loading of one-hundred (100) pounds per square foot with factors of safety defined by AISC. The ice shield grating or other protective surface shall be designed for easy replacement in the field;

All structural bolts shall be galvanized ASTM A307 and shall be considered non-high-strength bolts;

All bolted connections shall be installed with a nut locking device. All bolts shall be installed nut-end-up;

All steel including nuts, washers and hardware shall be galvanized in conformance with ASTM A123 or A153 as appropriate;

All structural members shall be fabricated in such a manner to prevent ponding of water and weep holes shall be installed in the bottom of all tubular members. Weep holes shall be at least 0.25 inches in diameter and 0.375 inches in diameter for tubes greater than 2 inches in diameter; and, All steel fabrication, assembly and erection shall be per the standards referenced in Section 4.1.

All equipment mounted on the cable bridge shall be handled and installed in accordance with manufacturer’s recommendations to prevent damage to the equipment.

The cable bridge shall be properly protected during transport, storage and erection to avoid damage to the structure and the structure’s finish. Damage to any portion of the cable bridge shall be cause for replacement or repair by the Design/Build Entity at the discretion of the State and at no additional cost to the State.

The cable bridge shall not be loaded in any way until the cable bridge is a complete system and as designed.

A copy of drawings and materials list shall be submitted to the State for approval prior to procuring materials and construction.

Grounding System The Design/Build Entity shall supply and install all necessary equipment for a fully functional grounding system compliant with all applicable laws, codes and standards. The Design/Build Entity shall supply all equipment necessary to transport and install the system according to all applicable laws, codes and standards. The grounding system shall meet the more restrictive requirements of this specification and the standards as referenced in Section 4.1.

The ground system shall be constructed as shown in the grounding plan in Attachment C. This drawing was based upon the preliminary site plan. The contractor is free to adjust the locations of the ground ring conductors and ground rods as required by their site plan and as approved by the State.

All grounding system components shall be UL Listed.

The ground ring shall be constructed from 2/0 bare stranded copper wire and be buried a minimum of 48” below the finished grade.

All ground conductors located above ground shall be placed in Carlon Carflex Liquidtight Flexible Nonmetallic Conduit and shall be sealed with silicone caulk to prevent water entry.

All bonds and connections in the grounding system shall be made using one of the following:

Exothermic Welds: Exothermic welds shall be Erico CADWELD or approved equal.

Irreversible Compression Connectors (ICC): ICC’s shall be gas tight. ICC’s to be buried shall be designed and listed for direct burial. Connections to metal equipment and structures shall be made with 2-hole connectors. Burndy or approved equal.

The Design/Build entity shall remove all paint, oxidation or any other non-conductive coating before making a connection from the grounding system to a metallic surface. Any removed paint shall be repaired to prevent future corrosion of painted surface.

Grounding Electrodes shall be: Lyncole XIT Grounding conductors (Chemrods) or approved equal; 10’ L-Shaped configuration with 2/0 pig tail connection; Installed per manufacturer’s requirements including Lynconite II backfill.

All metallic equipment located within six (6) feet of the grounding ring or located inside the grounding ring shall be bonded to the ground ring using 2/0 bare stranded copper wire. This shall include at a minimum, all tower legs, concrete encased electrodes in all foundations, equipment shelters, standby generator sets, mufflers, air intakes, louvers, metallic portion of the building exterior, electric power service entrances, fences, gates, HVAC units and LPG tanks.

Ground connections made to the tower structural steel shall be made on a plate, welded to the structure by the fabricator at the factory, which does not diminish the structural integrity of the tower. Connections made directly to the structure, without prior written approval from the State, will be cause for repair or replacement at the discretion of the State.

Ground bars, at a minimum, shall be sized to accommodate all of the equipment listed in Table 3 plus 25% additional capacity. Bars shall be constructed from solid copper and at a minimum measure 1/4” thick by 4” tall by 12” wide. Ground bars shall be tin plated. Ground bars to be isolated from mount location with connectors/brackets as approved by the manufacturer.

The newly constructed grounding system shall be bonded to all existing site ground systems to form a single grounding system.

The Design/Build Entity shall test the resistance of the ground system using the Fall of Potential Test per Motorola R56, and report the results to the State. The Design/Build Entity shall not backfill excavations for the grounding system until the State approves the results of the grounding system test. The Design/Build entity shall notify the State seven (7) days before testing in order to allow the State to witness the test if they choose.

Inside cable entry grounding shall be provided utilizing an arrestor trapeze, SitePro ATK606U or approved equal.

Transmission Equipment The Design/Build Entity shall design, supply and install all necessary equipment for a fully functioning transmission system. The Design/Build Entity shall provide and install all hangers, connectors, waveguides and grounding kits for antennae. All equipment shall terminate inside the communication shelter. Support for the transmission cables shall be provided inside the shelter to the equipment. The Design/Build Entity shall supply all equipment necessary to transport and install the system according to all applicable laws, codes and standards.

Microwave dishes shall be as shown in Table 3 or approved equivalents.

Microwave dishes shall meet the following criteria:

All microwave dishes shall be equipped with a radome approved by the manufacturer for use with the dish used.

Dishes shall be polarized (horizontal or vertical) as described in Table 3 above.

Dishes shall comply with FCC Standard A.

Microwave dishes shall be provided with mounting hardware approved by both the tower and dish manufacturers for use in the selected application.

Microwave dishes and associated hardware shall be designed for environmental conditions meeting or exceeding those specified in Section 1.3.

New and relocated antennae shall be installed with new grounding kits consistent with the following models or alternates approved by the State:

1/2” Coax – RFS model GKFORM60-12 7/8” Coax – RFS model GKFORM60-78

1.3 x 0.8” Waveguide – RFS model GKIT-24-105

2.0 x 1.2” Waveguide – RFS model GKIT-24-065 Waveguides shall be consistent with the following models or alternates approved by the State:

1/2” Coax - RFS model LCF12-50J 7/8” Coax – RFS model LCF78-50JA

1.3 x 0.8” Waveguide – RFS model E105

2.0 x 1.2” Waveguide - RFS model E65 Waveguide connectors shall be consistent with the following model or alternates approved by the State:

1/2” Coax - N-Male connectors RFS model NM-LCF12-D01 and N-female connectors RFS model NF-LCF12-D01 7/8” Coax – N-Male connectors, RFS model NM-LCF78-D01 and N-female connectors RFS model NF-LCF78-D01

1.3 x 0.8” Waveguide – RFS model RFS C90-105FG (2 per line)

2.0 x 1.2” Waveguide - RFS model C137-065FG (2 per line) 7/8” Coax – DIN Male – RFS model 716M-LCF78-D01 and DIN Female – RFS model 716F-LCF78-D01 The Design/Build Entity shall use the 1/2” coax and connectors above for the jumpers for the 7/8” coax.

All transmission system components shall be installed per the referenced standards and per the manufacturer’s instructions.

All microwave dishes and radomes supplied shall be factory painted “Dark Gray”, U.S, Federal Standard 595a Color Number 36280. Color to be approved by the State before ordering.

All waveguides shall be installed such that they form drip-loops between the tower and the cable bridge.

Waveguides shall be secured with manufacturer approved clamping devices to the tower or to the waveguide ladder no further than every three (3) feet unless Approved in writing by the State.

At a minimum all waveguides shall be grounded for the top three (3) feet, at the bottom of the tower, at the shelter entrance and at least every seventy five (75) feet in a manner approved by the manufacturer. Grounding kits shall not be placed in the bend of the waveguide.

The Design/Build Entity shall weatherproof all connectors and ground kits.

The Design/Build Entity shall specify and supply hoisting grips, hanger kits, hardware and weatherproofing for all transmission lines.

Waveguide connectors shall be purchased pre-tuned by the manufacturer.

The Design/Build Entity shall perform the following transmission system tests:

The Design/Build Entity shall perform the antenna system tests and perform antenna alignments for the antennae installed by the Design/Build Entity.

All dish antenna waveguides shall be tested for overall leakage to ensure the integrity of the complete antenna system including the antenna, waveguide and connectors. The tests shall be made according to the manufacturer’s specifications and shall be made from the pressure window. All test results shall be recorded.

All waveguides shall be tested electrically: (1) while the waveguide is on the reel and (2) after the waveguide is hoisted and secured.

All waveguides shall be tested for loss, return loss and cross-polarization discrimination (as appropriate) from the radio bay to the antenna. The specific objective values shall be recorded for each test.

Microwave azimuths given in Table 3 are approximate and intended for the design of the tower structure only. The Design/Build entity is responsible for verifying the azimuths in Table 3 are accurate before aligning microwave dishes.

Shelter Modifications The Design/Build Entity shall design, provide and install a new waveguide entry panel into the existing equipment shelter. Unused ports shall be covered with a sealing cap with clamp and unused openings shall be plugged.

The waveguide entry panel shall be configured in a 4x4 pattern with 4” nominal diameter entry ports; Site Pro 1 Part Number E1447 or approved equal.

The entry panel shall be installed in a manner that will not reduce the structural integrity of the shelter.

Abandoned ports shall be covered with a sealing cap and unused openings shall be plugged.

Submittal Requirements The Design/Build Entity shall submit to the State all required documentation in electronic (PDF) format and on paper with three (3) copies. All computer generated drawings shall be furnished to the State in an electronic format of the software in which the drawings were created. The State reserves the right to utilize a maximum of five (5) business days for the review of each submittal. The Design/Build Entity shall submit the following documents for approval by the State prior to beginning procurement, fabrication, installation or construction:

Copies of all permits obtained by the Design/Build Entity. Design/Build Entity and the State shall coordinate permit process as to avoid duplication.

The Design/Build Entity is responsible for submitting a Construction Plan a minimum of thirty (30) days prior to mobilizing. The Construction Plan shall include the construction schedule. The Plan shall include the following activities at a minimum: mobilization, earthwork, concrete placement, grounding system installation, tower erection, seeding and demobilization.

Site plan, signed and sealed by a Registered Professional Engineer in the State of Colorado, detailing the final position of all proposed equipment in relation to existing equipment including, but not limited to the following:

Tower foundations, ladder location and safety climb locations;

LPG tank and equipment locations and gas line routing;

Electrical distribution system component and line routing locations;

Shelter and foundation locations;

Erosion control plan and earthwork;

Cable bridge foundation and structure locations.

The tower documentation shall include:

An electronic copy of the tower design model in tnxTower v. 6.1 format;

A drawing, signed and sealed by a professional engineer, detailing tower geometry and assumed equipment locations including fabrication details;

All environmental conditions utilized for the design;

All member sizes, materials and finishes;

All connection designs including the number and type of fasteners assumed and connection plate thicknesses and materials;

Member capacities/stress ratios for all sections and member types for worst case loading;

Tower deflection and twist data under maximum load and under service loads;

Tower reactions for worst cast loading broken down into concurrent shear and vertical loading for the maximum shear and vertical loading conditions;

Material take-offs and total tower weight;

Erection plan, signed and sealed by a Registered Professional Engineer in the State of Colorado;

Waveguide ladder, ladder, safety climb;

Manufacturer’s recommendations of all equipment to be mounted on the tower; and Mill certificates for all structural elements including, but not limited to bolt assemblies, tower structural steel, and…