Radio Shelter

8/8/2019 Radio Shelter

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ERIE COUNTY, NY PUBLIC SAFETY PAGING NETWORK RFP 2/04/2005

L. Robert Kimball & Associates Appendix H Page 1 of 14Project # 04-1600-0064 Pre-Fabricated Radio Equipment Shelter

Appendix H - PRE-FABRICATED RADIO EQUIPMENT SHELTER

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General andSupplementary Conditions, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Submittals2. Quality Assurance

3. Delivery/Storage/Handling4. Coordination5. Training/Warranty/Maintenance Services6. Manufacturers7. Materials8. Structural Specifications9. AC Power/Distribution10. Wiring11. Ground Halo System12. Air Conditioner / Heater 13. Code Compliance14. Execution

B. All sites shall meet the requirements set forth within this specification. Existingfacilities shall be retrofitted / modified as required to meet the requirements setforth within this specification.

1.3 DEFINITIONS

A. Reference SECTION 17571 of this RFP.

1.4 SUBMITTALS

A. Reference SECTION 17571 requirements as applicable.

1.5 QUALITY ASSURANCE






B. In addition to the requirements set forth in these Specifications, the Contractor shall demonstrate in the proposal that the structure complies with, to the extentapplicable in each, the requirements of the following documents. Contractors areresponsible for obtaining these documents and being familiar with all applicablesections.

1. ANSI/NFPA-70 and Telecommunication Industry Grounding practices,National Electric Code, National Fire Protection Association.

2. PS1-74: U.S. Product Standard for Construction and Industrial Plywood withTypical APA Trademarks.

3. American National Standards for Minimum Design Loads for Building andOther Structures.

C. This structure shall meet any local variations in the above codes and standardsplus any local requirements not specified herein.

1.6 DELIVERY, STORAGE AND HANDLING

A. Reference SECTION 17571 requirements.

1.7 COORDINATION

A. Reference SECTION 17571 requirements.

B. Prior to erecting the shelter on the foundation, the Contractor will provide to theProject Director a sample of each truck load of concrete that has been tested for compliance with the foundation specifications set forth by the requisite siteengineer. Written reports certifying the strength of the concrete are to accompanyeach test cylinder.

C. If any concrete used in the foundation does not meet specifications, theContractor will be required to remove the foundation and pour one usingcompliant materials.

D. The Contractor will coordinate with the electric utility company and theCustomer's electrical contractor to provide power to the building.

1.8 TRAINING

A. Specific training requirements, if applicable, shall be defined in the proposal.

1.9 WARRANTY






1.10 MAINTENANCE SERVICES


1.11 SPARE PARTS


PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements,manufacturers offering products that may be incorporated into the Work include,but are not limited to, the following:

1. Concrete Systems, Inc.2. Fibrebond3. Oldcastle Communications4. Shelter One5. Thermo Bond6. Virginia Pre-cast

B. Due to the wide range of possible offerings, Manufacturers whose products differ from, but meet or exceed the specifications defined herein, shall attach cutsheets comparing their offering to the specifications.

2.2 MATERIALS

A. Concrete:

1. Compressive strength shall be 3000 PSI at 28 days.2. Mix design shall be 114-118 lb./cu. ft. structural lightweight concrete using

expanded shale or expanded clay aggregate. Mix shall be homogeneous.

B. Other:

1. Cement used in concrete shall be standard Portland cement conforming tothe requirements of the "Standard Specifications for Portland cement,"

ASTM Designation C150.

2. Concrete aggregates shall conform to one of the following specifications:

a. "Specifications for Concrete Aggregates," ASTM Designation: C33.b. "Specifications for Lightweight Aggregates for Structural Concrete,"

ASTM Designation C330.





3. Water shall be free from injurious quantities of oil, alkali, vegetable matter,and salt. Non-potable water shall not be used in mixing concrete.

4. Reinforcement bars shall be deformed steel bars conforming to therequirements of the "Specifications for Deformed and Plain Billet-Steel Barsfor Concrete Reinforcement," ASTM Designation: A615.

5. Welded smooth wire fabric shall be steel wire fabric conforming to therequirements of the "Specifications for Welded Steel Wire Fabric for Concrete Reinforcement," ASTM Designation: A185.

6. Admixtures to be used in concrete shall be subject to prior approval by thequality control supervisor and shall be shown capable of maintainingessentially the same composition and performance throughout the work asthe product used in establishing the concrete proportions in the mix design.

a. Air-entraining admixtures shall conform to "Specifications for Air-entraining Admixtures for Concrete," ASTM Designation: C260.

b. Water reducing admixtures, retarding admixtures, acceleratingadmixtures, and water reducing and accelerating admixtures shallconform to "Specifications for Chemical Admixtures for Concrete," ASTMDesignation: C494.

c. Fly ash or other pozzolans used as admixtures shall conform to"Specifications for Fly Ash and Raw or Calcined Natural Pozzolans for Use in Portland Cement Concrete," ASTM Designation: C618.

C. Skid Assembly

1. If a skid assembly is used, the complete skid assembly shall be galvanized or painted with a rust preventative paint after fabrication or acceptable method of

rust prevention and secured to the finished sub-floor with high strength bolts.

2.3 STRUCTURAL SPECIFICATIONS

A. Shelter Type:

1. The shelter shall be a pre-fabricated, pre-assembled shelter. The shelter canbe constructed from concrete, fiberglass and/or aggregate materials.Manufacturer shall provide all specifications including design drawings for theshelter.

2. Manufacturing of the pre-fabricated shelters shall occur inside an enclosedplant building in a controlled environment.

3. The shelter shall be designed and provided with suitable attachment points for lifting and moving the shelter so that the shelter can be hoisted up usingoverhead equipment such as cranes, boom trucks and hoists. Themanufacturer shall provide a description and drawings detailing theattachment points and proper lifting procedures.





B. Size:

1. Shelter dimensions shall be determined by Contractor dependent upon finaldesign.

2. Minimum shelter size shall be 12’ x 20’.

C. Foundation:

1. The foundation for the shelter shall consist of concrete piers or a pouredconcrete slab constructed by the Contractor to properly support and secureto the shelter.

2. Foundation drawings recommended by the shelter manufacturer shall be thecriteria by which the foundation is constructed.

D. Flooring

1. Contractors are to propose a structure whose floor or solid foundationfeatures a minimum uniform load rating of 200 pounds per square foot withno more than 3000 pounds over any four-square-foot area. This rating shallbe increased in sections as necessary to support heavy weight equipment.If delivered assembled with floor, the floor shall exhibit a minimum 90pounds per square foot uniform live load capacity while the building is beinglifted.

2. Floors shall be insulated to a minimum R-11 rating. Insulation shall besecured in place to prevent shifting during construction and transportation.

3. Exterior covering of the floor shall be included to prevent small rodentpenetration.

4. The floor shall be covered by a high quality, industrial/commercial gradeasphalt or vinyl, white or marble colored tile. All edges shall be covered bywall molding.

5. A door sill shall protect the edges at the entry area.

E. Walls

1. Walls shall be constructed to a minimum 120 MPH wind loading, includingoverturning moments.

2. Bullet Proof: Walls shall withstand the effects of bullets or other projectilesequivalent to a 30.06 high power rifle load fired from a distance of 50 feetwith no penetration to the inner cavity of the wall. No interior damage shallbe sustained including insulation, interior walls, etc.

3. The outside walls shall be finished concrete or an aggregate composition.





4. A wall feed-through with 12 each, 4 inch openings shall be provided on thetower side of the building to accommodate elliptical waveguide and coaxialtransmission lines. The openings shall be properly booted to provide a goodweather seal. The wall feed-through shall be grounded to the buildingground on the outside of the shelter.

5. The inside walls shall be finished with minimum 5/8-inch plywood (or equivalent) trimmed with coordinated molding to allow mounting of panels,blocks, etc.

6. High performance insulation shall provide a minimum insulation factor of R-11.

7. Contractors shall detail their proposed construction methods, materials, andinsulation factors on pages attached to their proposal. Such pages shall beclearly referenced to these sections to which they apply.

F. Roof:

1. The building roof shall support a minimum 100 pounds per square footuniform live load.

2. The roof is to be sloped to facilitate run-off of water and snow.

3. It shall withstand the impact of ice falling from the adjacent tower withoutsuffering any damage or shall otherwise be protected from such damage.Contractors are to describe in their proposal how this requirement will bemet.

4. High performance insulation shall provide a minimum insulation factor of R-

19.

5. The roof is to be constructed of fire resistant materials.

G. Door:

1. The exterior door shall be of aluminum or steel (stainless or galvanized)construction with a finish matching the building finish, and a minimum of 36inches wide.

2. An insulating inner core shall separate interior and exterior panels of thisdoor.

3. Bullet Proof: Door shall withstand the effects of bullets or other projectilesequivalent to a 30.06 high power rifle load fired from a distance of 50 feetwith no penetration to the inner cavity of the door. No interior damage shallbe sustained including insulation, interior walls, etc.

4. The door shall be mounted with three stainless steel, tamper proof hinges. Amortise type dead bolt lock secured in the door frame shall provide tamper





proof security. Two locks, one in-keyed passage and a keyed deadbolt,shall be provided.

5. Locks are to be constructed of non-corroding materials and all shelter locksshall be keyed alike for all shelters.

6. A hydraulic door closure and rain drip cap are to be included.

7. The door frame is to be bonded to the ground halo. The door is to bebonded to the frame by no less than two flexible grounding jumpersminimum of # 6 AWG.

8. Door sill to be of stepped construction so as to prevent rain water fromentering shelter at bottom of door or from around door frame.

9. Door frame to have weather seal around door to limit air and water intrusion.

2.4 FINISHING

A. The finishes shall be described by the Contractor. Color and finishes shall beselected by the Customer from samples provided by the Contractor.

B. Exterior color and finish shall be coordinated with Customer to match surroundingbuildings.

C. The interior shall be smooth finished in all cases. Color to be selected by theCustomer from samples provided by the Contractor.

D. Openings for air flow, doorways, cable entry, etc. shall be designed and sealed topreclude penetration of moisture, insects, and rodents into the interior of thestructure or between the exterior and interior of any wall, roof or flooring.

E. Joints:

1. All joints shall be sealed with a compressible, resilient sealant.2. There shall be no exposed roof-to-wall or wall-to-floor joints.

F. Exterior wall and roof surfaces shall be sealed to insure a watertight barrier.

G. The shelter wall, floor and ceiling joints shall be sealed to prevent water entry.

2.5 WIRING METHODS

A. General:

1. All wiring noted on the site drawings or otherwise included by this Contractor shall be installed in conduit or ductwork. Where no protection method isspecified, conduit shall be used.





2. All conduits and ducts shall be securely surface mounted and supported byapproved clamps, brackets, or straps as applicable and held in place withproperly selected screws. No wiring to be imbedded inside any walls, floor or ceiling. Entrance power, outside light, air conditioning outlet and telco arethe only wiring allowed to penetrate shelter walls or floor.

3. All wire raceway, conduit, etc. is to be mechanically joined and secured.

4. Flexible steel conduit or armored cable shall protect wiring connected tomotors, fans, etc. and other short runs where rigid conduit is not practical.

5. Conduit shall not be used as a ground of any kind. Separate ground wiresshall be used for all grounding functions. More specific groundingrequirements are stated elsewhere within this specification.

2.6 MINIMUM WIRING

A. Unless otherwise approved all power wiring shall be a minimum size 12 AWGsolid copper conductors with insulation rated for 600 Volts alternating current(AC).

2.7 AC POWER SYSTEM

A. Capacity:

1. The Contractor shall deliver the building complete with a 200 amperecapacity, 240 volts, single phase Square D electrical panel box with a groundbar.

2. This panel shall be equipped with a 200 ampere capacity main circuit breaker used to supply power for all electrical functions related to the site.

3. Overall panel size shall be determined by the need to provide the number of individual breakers determined plus a reserve of at least six 240 Volt slots.

4. Breakers for shelter air conditioning will be of the bolt down not snap in type.

5. Building construction and panel installation shall allow additions or changes tobe easily made at any time.

6. The Customer will provide electrical power to the meter panel on the exterior

of the shelter. The meter panel and all wiring from that point is theresponsibility of the Contractor, along with mast and weatherhead.

B. Power Distribution:

1. Power shall be distributed from the electrical panel, through the raceways andconduits to the indicated fixture or other termination.





2. For each equipment unit receptacle and each service receptacle group #12AWG insulated copper conductors shall be run by this Contractor throughappropriately sized conduit.

3. Each radio equipment unit receptacle shall be mounted to the side of theoverhead cable tray.

4. Service receptacles shall be specification grade, 120 Volt or 240 Volt rated asappropriate for the purpose, with ground.

5. Each equipment receptacle shall be fed from an individual breaker. Thefeeding breaker shall be identified at the receptacle and the receptacle shallbe identified at the breaker for ease of servicing power problems.

C. Power Line Surge Suppression:

1. AC surge protector shall be provided and installed inside the shelter.

2. An acceptable unit shall be an in-line type such as the AC Data Systems“integrated load center”. An alternate unit must meet or exceed all of thecapabilities of this model unit.

3. Minimum surge protector requirements are:

a. Built-in redundancy of dual stages per phase with filteringb. Surge energy shunted to ground, not to neutral.c. Front panel indicator lamps.d. Remote/local status contacts.e. Fusible link protected so as not to interrupt power.f. Field replacement protection blocks, fuses, if needed.

g. UL listed components.h. 45 KA per phase ANSI C62.1 8/20 waveform.i. EMI/RFI filtering per Mil-STD-220.

4. The unit shall be capable of handling the full 240 Volt, 200 Amp capacity of the electrical system.

2.8 EQUIPMENT, FEATURES TO BE INCLUDED

A. Outlets:

1. Duplex outlets shall be provided every six feet.

2. Each duplex outlet shall be on a separate 20 amp circuit.

3. One weatherproof GFI exterior power receptacle shall be provided with eachshelter. Outlet to be mounted in the area of the air conditioning units.





B. Light Fixtures:

1. Ceiling mounted, four-foot fluorescent light fixtures (two 40 watt bulbs per fixture) with RFI ballasts shall be supplied for the equipment shelters. Asufficient quantity of light fixtures shall be supplied to provide a uniform light

level throughout the building of 150 foot candles at four feet above the floor.

2. These shall be fed as a gang from a common breaker and controlled by anon/off switch for each room.

3. Fixtures shall be Lithonia Series AF-10 or approved equal.

C. Electric Heater:

1. A 240 Volt AC heater shall be supplied and installed in each shelter. (5000watt minimum) The heater can be installed as part of the air conditioningsystem.

2. The heater shall be sized to provide 100 percent of the required buildingheating capacity, including equipment heat.

3. The heater shall be fed from separate circuit and controlled by wall mountedthermostat.

4. The thermostat shall turn the heater on when the temperature inside theshelter drops to 65 degrees F and off when it rises to 68 degrees F. It shallbe adjustable to turn on and off within the range of 45 to 80 degrees F.

5. The heating and cooling equipment will be capable of maintaining an insideambient temperature range between 65 and 85 degrees F.

D. Outdoor Lighting:

1. An exterior 100 watt wall mounted light shall be mounted on the frontentrance of the shelter.

2. The exterior lighting system shall be fed from a separate, appropriately ratedbreaker and light switch by the door.

3. Fixtures shall be Halophane Series Wallpack II or approved equal.

E. Antenna Cable Conduit Entry:

1. All conduit openings in the shelter walls shall align properly with the antennaentrance cables.

2. A bulkhead panel shall be supplied to accommodate coaxial transmissionlines between 1/2-inch and 1 5/8-inch diameter elliptical waveguides. Aminimum of 12 transmission lines shall be accommodated with 4 inchopenings.





3. The building Contractor shall seal the conduits into the wall to assure thatthey are watertight.

F. Cable Tray:

1. The Contractor shall install an minimum 18-inch wide cable tray system above

the equipment and below the ceiling. All new shelters will be equipped withthe cable trays.

2. The Contractor shall ground all cable ladder sections to the interior haloground system as per specifications.

3. The shelter manufacturer’s standard cable tray will be considered anacceptable alternative.

G. Halo Ground System:

1. A minimum # 4 AWG stranded, insulated copper conductor halo loop shall be

installed around the interior walls at about 6 inches below the ceiling level.

2. This ground shall be stood off from the wall itself by approved insulators, suchas "clic's" manufactured by Litchfield International or equivalent. Types withencircling metal bands or clamps are not acceptable.

3. This ground wire shall have a break with the ends separated at least 4 inchesapart. This break will be approximately opposite the location of the master ground bar (MGB)

4. At each of the four corners # 2 AWG tinned, solid drain wire shall be bondedto the halo by non reusable compression clips or Ampac methods.

5. These drain wires shall be run down the corners through insulated, non-metallic feed-through PVC conduits passing to the outside.

6. Each wire shall be bonded to the exterior counterpoise grounding system.

7. If there is an exposed skid or other exterior frame additional ground wiresshall be exothermically welded to them and go directly to the earthcounterpoise ground system.

8. All electrical grounding must be connected to this earth ground counterpoisesystem, including the electrical panel ground bar.

9. Where the building and/or roof are of steel construction, such steelcomponents must be bonded to the earth ground system.

10. Each panel shall be bonded to the next adjacent panel by a # 6 AWG or larger copper conductor, secured by methods approved by the ProjectDirector.





11. The cable ladder is to be bonded to the ground halo. All sections of the ladder are to be bonded together with a # 6 insulated, stranded wire using double-hole compression lugs. Any paint on the cable tray will be removed at thepoint of the jumper connections. A thin coating of an anti oxide compound willbe used to reduce oxidation. Only stainless steel hardware will be used toattach the wire lugs to the cable tray.

2.9 AIR CONDITIONER

A. Capacity:

1. The shelters shall be provided with a dual, wall mounted, 240 Volt poweredair conditioners.

2. Dual units supplied in a lead lag configuration shall be proposed.

3. Each air conditioner shall be sized to provide 100 percent of the required

building cooling capacity, including equipment heat.

B. Size:

1. Each air conditioner shall be sized to maintain temperatures inside the shelter at 70 degrees F when exterior temperatures go as high as 100 degrees F.

2. The heating and cooling equipment will be capable of maintaining an insideambient temperature range between 65 and 85 degrees F.

C. BTU Ratings:

1. Contractors are to include in their proposal a detail of how they determined theBTU rating of the air conditioner.

D. Thermostat Control:

1. A wall mounted thermostat, part of the air conditioner, will control theoperation. It will turn on the air conditioner when the interior temperaturereaches 78 degrees F and off when the temperature drops below 75 degreesF.

E. Time Delay:

1. A time delay relay will be included with the air conditioner to prevent

compressor damage from an attempt to restart the unit too soon after power has been turned off or interrupted. The delay time shall be five minutes.





2.10 CODE COMPLIANCE

A. Installation of all electrical equipment, power distribution, lighting assemblies andassociated wiring shall comply with the most recent edition of the National

Electric Code (NEC) and Occupational Safety and Health Administration (OSHA)regulations.

B. All electrical equipment shall be listed or approved by Underwriters Laboratories(UL).

C. All local codes shall likewise be complied with.

PART 3 - EXECUTION

3.1 GENERAL INSTALLATION REQUIREMENTS


B. Shelter shall be transported by Contractor to the radio site. This building shall beassembled and secured on a solid foundation or supporting piers constructed bythis Contractor.

3.2 LABELING AND IDENTIFICATION


3.3 FIELD QUALITY CONTROL


3.4 CLEANING


3.5 FINAL TESTING AND ACCEPTANCE


3.6 TRAINING






END OF SECTION

2/3/05

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Radio Shelter