ESBD_File_351542_SOLICIEXH_F.12_24R0000548_Goat Creek Tower Specifications.pdf

The Texas Department of Public Safety is seeking proposals for the development of one communications radio tower and one shelters/enclosure.

High-level projects requirements are as follows

• Dismantle and Removal of existing 300’ guyed tower and associated antennas and cabling and existing Shelter, located at the Goat Creek tower site 2885 Goat Creek Rd., Kerr County, TX [30°6’56.7” N, 99°11’45.2” W].

• Development of a 350’ self-supporting radio communications tower to be in the median of I-10 in Kerr County [30°6'32.02"N, 99°11'12.93"W]. The tower is intended to support licensed/unlicensed microwave and other radio communications antenna systems and will serve as a radio communications site in planned network radio communications designs.

• Development of a 12’ X 16’ shelter/enclosure that supports a minimum of eight standard communications rack locations. The shelter shall come operational with a New 50 kW Liquid Propane Vapor fueled outdoor generator. The shelter shall include (2) Type II surge suppression as well as an HVAC and lighting system.

The shelter shall comply with the specifications delineated in this RFP.

Tower Specifications

350’ Self Supporting Tower constructed of a combination of both solid Pirod rod truss leg and pipe leg members. Triangular construction.

• Engineering drawings to be sealed by registered Professional Engineer

• Custom foundation design unit base or drilled caisson if soil report is supplied

• Hot dipped galvanized sections and components

• Both Pirod Solid Rod Truss Legs and Tubular Steel construction of leg members

• Bolt on diagonal bracing.

• Tower fabricated in an AISC certified facility.

• Tower assembly hardware

• Horizontal members welded in truss legs and Step bolts on all three legs of the pipe legs to the 7’ width, thence on one leg to the top for climbing.

• (1) Face Mounted Waveguide Ladder with (12) line capacity

• Anchor steel with full-sized template to simultaneously position all anchor bolts

• (1) Tuf Tug cable type safety climb system without both the trolley and the harness

• TIA-G grounding using 21’ FT lightning rod extender

• The upper 80 feet of the tower will be straight with no taper.

• There will be a 3-sided platform attached to the top of the tower (see figure 2)

• TIA-G grounding using 3-21’ FT lightning rod extender

• TXDPS-DRAKE-E2-120VAC-ARMORED-SURGE-SNMP-BDS-BSB-BIS Drake LED Lighting Kit

LED Based Beacon & Power Supply (white & red) LED-B-Hybrid with IR E-2, Dual LED Medium Intensity Light Kit with LED Day/Night mode Top Beacon, Mid-level beacons, brackets, ice shields, interior mounted controller, alarms, photo cell, Armored cable wiring and secured with appropriately sized hangers and bushings, and all necessary mounting hardware IAW AC 70/7460-1M.

Freight

Freight costs with unloading of truck by Contractor to nearest access point to the site, via flatbed tractor trailer.

Wind and Ice Load

90 mph 3-sec gust basic wind speed (no ice) with Structure Class III, Exposure C criteria, and Topographical Category 1 per ANSI/TIA-222-G.

Design tower to not exceed 85% capacity when considering current and future loading

Current and Future Antenna Loading

• 350’ - (1) Comprod 884-70 on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line

• 350’ - (1) Comprod 884-70 on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line

• 350’ - (1) Comprod 884-70 on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line

• 350’ - (1) Troll A-6 Video Downlink antenna with 6 RG-6 coax

• 350’ - (1) 432F83W01T TTA with (1) 1/2” line

• 350’ - (1) dbSpectra 20’ DS7C12P36U-D on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line

• 350’ - (1) dbSpectra 19’ DS8M15PDDU-D on (1) 6’sidearm with (1) AVA6-50 1-1/4” line

• 300’ - (1) Telewave ANT150F2 VHF Omni antenna (1) 6’ sidearm with (1) AVA6-50 1-1/4” line

• 295’ - (1) Telewave ANT150Y7-WR Yagi antenna with (1) AVA6-50 1-1/4” line

• 250’ - (1) DragonWave 2’ RFMA-1135UH06WS03 with (2) CAT5 Outdoor rated cable

Twist & Sway

Twist and Sway for 4’ diameter 11 GHz dish for 10 db degradation at 60 MPH 3-sec gust Service Wind Speed at dish levels indicated per TIA-222-G.

Shelter / Enclosure Specifications

Construction – Concrete

• Size nominal: 11’6” wide (maximum 12' wide with roof overhang) exterior x 16’ long exterior x 9'2" high interior, one room concrete shelter with an aggregate exterior. Standard construction in accordance with product specifications. The structural loads of the proposed concrete shelter are as follows:

• 200 pounds per square foot distributed floor loading while on foundation

• 100 pounds per square foot distributed roof load

• 150 mph wind load

• Seismic Category D

• 6” thick concrete shelter floor will be covered with light colored industrial grade vinyl tile.

• The interior will be sheathed with 3/4” OSB backed white FRP board and insulated to R-11 in the walls and

R-19 in the ceiling.

The proposed shelter walls will provide a two-hour fire rating and are capable of stopping 30.06 rifle fire per UL752 specifications. The shelter door is not bullet resistant. One (1) 36" wide x 84" high insulated steel exterior door, with tamper-proof hinges, passage style lever handle, deadbolt lockset, hydraulic door closer and fiberglass weather hood.

Power Distribution

• Two (2) 1101-801-1 APEX IMAX 120T MOV/SASD Type 2, 120/240-volt lightning arrestor

• One (1) 60 Amp, 240V enclosed circuit breaker switch for lightning arrestor isolator during maintenance

• One (1) 200 Amp safety switch, 120/240 VAC, single phase, fused, to serve as main utility disconnect.

• One (1) 200 Amp, 10,000 AIC, 120/240 VAC, single phase, 60 Hz, 40 space main breaker, snap-in utility power distribution panel, in a NEMA 1 surface mount enclosure

• Two (2) 200 Amp, 10,000 AIC, 120/240 VAC, single phase, 60 Hz, 40 space main breaker, snap-in technical

UPS power distribution panels, each with a NEMA 1 surface mount enclosure

• Circuit breakers for all installed equipment and customer loads as specified.

• All surface mounted EMT conduit shall have compression fittings.

• Dedicated breakers for tower lights as required.

• One (1) shelter wall penetration to serve as utility power service entry.

• Five (5) 20 Amp specification grade duplex receptacles

• Two (2) 20 Amp specification grade exterior duplex GFI receptacles

• Two (2) ceiling mounted, 20 Amp, 120 VAC duplex receptacles mounted over each equipment rack position.

Each outlet is fed from a dedicated 20 Amp circuit located in one of the UPS Distribution Panels (16 total duplex receptacles ceiling mounted)

• Vendor will supply one (1) emergency stop switch (E-Stop switch) for generator power disconnection.

(installation by others)

UPS

• One (1) 20kVA Eaton 9PXM UPS, 1 Ph+N input/output, featuring 6 minutes of run time at full load with wall mounted Maintenance Bypass switches.

• System startup includes one site trip by an Eaton technician after the UPS has been installed by vendor.

The site trip includes the following services for each UPS: non-powered inspection, UPS electrical and operational checkout, full parts and labor for any remedial work required on the UPS or battery cabinets, and customer operation training. Warranty also includes remedial onsite labor, parts, and travel for the full two-year warranty period. The customer schedules warranty startup at the customers designated time.

• Installation wiring and conduit per manufacturer’s instruction and the latest edition of the National Electrical Code NFPA70.

• Any adjustments or testing at the final destination will be the responsibility of the customer unless otherwise provided for in writing. Vendor will, if requested, arrange to have a factory-authorized representative inspect the UPS system in the factory prior to utility power connection if requested. Any additional charges associated with this inspection will be negotiated separately.

Lighting

• Five (5) four-foot, surface mounted LED light fixtures and switch

• One (1) LED exterior door light with photocell control with switch override

• One (1) emergency light with exit sign and battery backup

HVAC

• Two (2) 3.5-ton (42,000 Btu/hr. ea.), 240-volt, single phase, 11 EER wall mount air conditioning units, with low ambient and compressor anti cycle controls, integral 5 kW resistance heat strips and washable dust filters

• Lead/lag controls allowing approximately equal operating time on each air conditioning unit.

• One (1) humidistat wired to the controller.

Alarm Device Contacts

• The following alarm device contacts will be wired and brought to a location specified by the customer. The alarm wires will be tagged for identification. Unless otherwise stated in this proposal, termination at the customer’s equipment is assumed to be provided by others.

• No provisions for audible, visual, or remote alarm monitoring provided by vendor.

• All alarms will be tagged and terminated on three (3) punch blocks.

• One (1) line voltage smoke detector

• One (1) intrusion alarm switch with form “C” contacts rated .1 Amps at 28 VDC.

• One (1) high temperature alarm wired in controller.

• One (1) low temperature alarm wired in controller.

• One (1) utility power failure alarm

• TVSS alarms: LA#1 & LA#2

• ATS alarms: Normal, Standby

• Generator alarms: Gen Run, Gen Fail, Gen Disable, Gen Low Coolant, Gen Cool Temp Fail, Gen High

Battery Voltage, Gen Low Battery Voltage, Gen Low Fuel

• UPS alarms: External Bypass, Internal Bypass, on Battery, Failure, Low Battery, Summary per UPS

• HVAC failure alarms

• Tower light failure alarms (final connection by others)

Automatic Transfer Switch (Supplied and installed by vendor)

• Manufacturer: Generac

• Model: TX Series

• Application: Utility to Genset

• Ampere Rating: 200

• Voltage: 240 Volt

• Phase: single

• Neutral kit: Included

• Enclosure: NEMA 1

• Programmable alarm relay board

• Two year - manufacturer’s standard warranty

Grounding

• Provisions for the connection of a grounding electrode conductor at the shelter service equipment

• One (1) interior perimeter R-56 ground system consisting of a 2 AWG stranded non-jacketed copper cable, approximately 6 inches below the ceiling.

• One (1) equipment rack ground cable run along the cable ladder; 2 AWG green jacketed.

• One (1) ground buss bar kit with interior and exterior copper ground bars connected through the wall and exterior copper straps with vinyl covers. (the exterior copper straps and vinyl covers need to be installed on site by others)

• All grounding to meet or exceed Motorola R56 standards

Accessories

• One (1) 12 - port/waveguide entry panel with 3" sleeves and protective blank covers

• Twenty-five feet (25') of 24" wide cable ladder/tray

• Six feet (6’) of 6” wide cable ladder mounted to the wall and ceiling

• One (1) 36” x 48” x 3/4" equipment mounting board.

• Two (2) penetrations for tower light power and alarm

• Two (2) telco penetrations

• One (1) portable 10-pound CO2 fire extinguisher

• One (1) portable 20-pound ABC fire extinguisher

• One (1) handheld emergency eye wash station

• One (1) first aid kit

• One (1) service manual

• Ten-year structural and one-year component warranty

Vendor will provide three (3) sets of shelter drawings with each shelter unit order. Typical foundation drawings based upon normal soil conditions are available to support calculations for recommended shelter tie down locations.

All wiring will be installed in surface mounted conduit or wireways if specified and will be in full compliance with ANSI/NFPA-70 - The National Electrical Code, latest revision.

Shelters will be built according to the latest IBC edition and state requirements of which the shelter is residing, local and county codes are not applicable unless otherwise stated.

Compound Fencing Security fencing shall be provided large enough to encompass the Shelter, Tower, Generator, and Fuel tank. A 12’ double gate and a 4’ pedestrian gate at a finished height of 8’ shall be provided. Weatherproof warning signs warning the public of the electromagnetic emission hazards in compliance with R56 requirements shall be furnished and installed. Weatherproof signs shall be furnished and installed that state "No Trespassing". Weatherproof green and white signs shall be furnished and installed displaying ASR registration. These required signage symbols and lettering shall be impervious to weathering, written in English, installed on the exterior of all sides of the main compound perimeter and compound fence gate.

Contractor Responsibilities:

Site Zoning

• Coordinate zoning and permitting of the new tower site such that it is in full compliance with applicable jurisdictional requirements.

Site Engineering

• Prepare site construction drawings showing the layout of various new and existing site components.

• Conduct site walks to collect pertinent information from the sites (e.g., location of Telco, power, existing facilities, etc.).

• Perform a boundary and topographic survey for the property on which the communication site is located or will be located.

• Prepare zoning drawings that can be used to describe the proposed site installation in sufficient detail.

• Prepare record drawings of the site showing the as-built information.

• Perform construction staking around the site to establish reference points for proposed construction.

• Perform NEPA Threshold Screening, including limited literature and records search and brief reporting, as necessary to identify sensitive natural and cultural features referenced in 47 CFR Chapter 1, subsection 1.1307 that may potentially be impacted by the proposed construction activity. This does not include the additional field investigations to document site conditions if it is determined that the proposed communication facility “may have a significant environmental impact” and thus require additional documentation, submittals, or work. Regional Environmental Review (RER) report submittals if required by FEMA have not been included.

Perform Cultural Resource study as needed to identify sensitive historical and archaeological monuments that might be impacted by proposed construction

• Conduct up to 80-foot deep soil boring test at each tower leg, backfill holes with spoils and prepare geotechnical report of soil conditions at locations of the tower foundation.

• Conduct construction inspection of foundation steel prior to pour, materials testing of concrete and field density tests of backfill to ensure quality construction.

• Check tower erection for plumb, linearity and alignment after installation.

• Perform inspection of the site and the work performed by the Contractor to document that the site is built in accordance with the “Site Plans” and document any deviations or violations.

• Prepare, submit and track application for local permit fees (zoning, electrical, building etc.), prepare FAA filings and procure information necessary for filing.

Site Preparation

• Existing tower site must remain fully operational until construction of the new tower and building is fully functional.

• Obtain the permits such as electrical, building, and construction permits, and coordinate any inspections with local authorities that may be needed to complete site development work.

• Provide one-time mobilization costs for the construction crews.

• Perform light clearing of brush, grubbing and disposal of vegetation and shrub growth in the site compound area.

• Grade the site compound and 10-foot path around it to provide a level, solid, undisturbed surface for installation of site components.

• Remove existing fenced compound.

• Supply and install gravel surfacing to a depth of 6 inches, including herbicide treatment and geotextile fabric installation within the fenced in site compound area, and a 3-foot path around the exterior of the fence.

• Provide silt fence around the compound to control soil erosion.

Site Components Installation

• Construct 1 reinforced concrete foundation necessary for a 12-foot x 16-foot shelter.

• Construct 1 concrete slab for 1000 gallon above-ground Liquid Propane (LP) fuel tank at 3000 psi with reinforcing steel necessary for foundations.

• Construct 1 foundation for the 50kW generator with reinforcing steel necessary for foundations.

• Supply and install 1 New prefabricated concrete shelter 12-foot x 16-foot.

• Supply and install 1 New 1000-gallon Liquid Propane (LP) fuel tank(s), fill it with fuel and connect it to the generator with high and low pressure regulators.

• Supply and install 1 New standby Generac power generator (50kW) located within 20 feet of the ATS, including interconnection wiring between the generator, transfer switch, and site electrical service mains. Supply and install a two wire 16 gauge wire from the generator to the radio rack for DPS connection to monitoring system.

• Supply and install 1 120/240-volt, 200-amp, single-phase meter pedestal and hook-up for electrical service by the local utility.

• Provide all trenching, conduit, and cabling necessary for underground hook-up of power to the shelter from nearby utility termination located within 300 cable feet of the shelter.

• Supply and install new Security fencing encompassing the Shelter, Tower, Generator, and Fuel tank. A 12’ double gate and a 4’ pedestrian gate at a finished height of 8’

• Supply and install a perimeter grounding system around the compound and shelter. The ground system is to tie to the fence and all new metal structures within the compound to meet current R56 or equivalent standards.

• Conduct 1 three-point ground resistance test of the site. Should any improvements to grounding system be necessary after ground testing, the cost of such improvements shall be the responsibility of Contractor.

• Supply and install 1 freestanding 24-inch-wide cable/ice bridge from the tower to the shelter (up to 20 linear feet).

• Supply and install coax bulk head grounding bar system, as pictured (see figure 1), to include Polyphaser VUF50NHP-MA for each installed coax entering the shelter intended for all frequencies.

Goat Creek (Kerrville) Main Antenna and Line Installation Vendor supply and install

• 350’ - (1) Comprod 884-70 on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line DPS Kerrville

• 350’ - (1) Comprod 884-70 on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line TXDOT

• 350’ - (1) dbSpectra 20’ DS7C12P36U-D on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line (Trunk)

• 350’ - (1) dbSpectra 19’ DS8M15PDDU-D on (1) 6’sidearm with (1) AVA6-50 1-1/4” line (Trunk)

• 350’ - (1) Tower Top Amplifier 432F83W01T ½" coax (Trunk)

• 350’ - (1) Comprod 884-70 on (1) 6’ sidearm with (1) AVA6-50 1-1/4” line VCALL10

• 300’ - (1) Telewave ANT150F2 VHF Omni antenna (1) 6’ sidearm with (1) AVA6-50 1-1/4” line

TXCALL2D

• 295’ - (1) Telewave ANT150Y7-WR Yagi antenna with (1) AVA6-50 1-1/4” line (Junction Control)

• 250’ - (1) DragonWave 2’ RFMA-1135UH06WS03 with (2) CAT5 Outdoor rated cable

Figure 1

Figure 2

Figure 3

Decommissioning and Site Cleanup

• Decommission and removal of a 300’ guyed tower. This work shall include removing the perimeter fence, tower structure, tower/guy and guy anchor points, propane tank, shelter, generator and all existing concrete pad foundations. The tower and guy foundations shall be jackhammered to a minimum of 12” below grade and covered with surrounding soil after cutting anchor bolts and any exposed rebar. All scrap metal, tower components & debris shall be hauled away and disposed of at an appropriate recycling or landfill facility. Perform site touch up (fertilize, seed and straw) disturbed areas not covered with gravel after completion of construction work. Landscaping, decorative fencing or any other aesthetic improvement that may be required by local jurisdictions has not been included and will be handled through a negotiated contract change notice.