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LBI-39179 - Fiber Glass / Steel Composition & Lightweight Communications Shelter Construction LBI-39179
ericssonz
Specifications, Guidelines
& Practices
Fiber Glass / Steel Composition
& Lightweight Communications
Shelter Construction LBI-39179

TABLE OF CONTENTS
Page
1.0 GENERAL...........................................................................................................................................
3
2.0 SPECIFIC CONDITIONS....................................................................................................................
3
3.0 SHELTER SPECIFICATIONS.............................................................................................................
3
4.0 ENVIRONMENTAL CONDITIONS ...................................................................................................
4
5.0 ELECTRICAL AND LIGHTING.........................................................................................................
4
6.0 QUALITY ASSURANCE ....................................................................................................................
5
7.0 GROUNDING SYSTEM......................................................................................................................
5
8.0 DOCUMENTATION ...........................................................................................................................
6
9.0 CERTIFICATION................................................................................................................................
6
10.0 INSTRUCTIONS TO BIDDERS........................................................................................................
7
Copyright
©
August 1995, Ericsson Inc.
NOTICE!
This manual covers Ericsson and General Electric products manufactured and sold by Ericsson Inc.
This manual is published by Ericsson Inc., without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of
current information, or improvements to programs and/or equipment, may be made by Ericsson Inc., at any time and without notice. Such changes will be
incorporated into new editions of this manual. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical,
including photocopying and recording, for any purpose, without the express written permission of Ericsson Inc. LBI-39179
!
1.0 GENERAL
1.1
This statement of work and specifications are for
shelter (s) to be supplied to Ericsson Inc. Private
Radio Systems herein after referred to as customer.
The shelter shall be constructed as manufactured by
Andrew, Rohn, VFP or an Ericsson Inc. approved
supplier. The specifications in this document are
intended to set a minimum level which can be
modified for specific program requirements.
1.2
All shelters supplied shall be a fiberglass-reinforced
plastic type and shall meet or exceed the requirements
of this specification.
1.3
Shelters shall incorporate non-porous wall and roof
sections, to preclude capillary action, and shall be so
designed, and constructed to provide a minimum
useful life period of 20 years, without need for major
maintenance actions. Manufacturer shall provide
shelter maintenance and warranty information.
1.4
Shelter manufacturer shall supply and install
complete AC wiring systems as required by this
specification and in
compliance to applicable codes.
Electrical systems shall be designed based on
preliminary floor plan provided by Ericsson Inc.
1.5
Manufacturer shall supply and install complete air
conditioning and heating systems as required to
comply with the environmental conditions of these
specifications.
1.6
Manufacturer shall be responsible for transporting or
for supervising the transporting of the shelter(s) to
their respective site.
1.7
Manufacturer shall design an I-beam skid assembly
based on the requirements of this specification and
install the shelter on the assembly. Fabricator will
submit I-beam assembly drawings within 10 days
ARO.
1.8
All shelters shall meet the following specifications
and standards:
(a) Uniform Building Code
(b) BOCA National Building Code
(c) Standard Building Code
(e) Local Basic Building Codes
(f) ANSI-A.58.1
(g) UL 752 requirements for low, medium and high
power rifle (when specified)
(h) National Electric Code latest addition
(I) IEC - Illuminating Engineering Society
1.9
In the event that two specifications conflict, the more
stringent shall apply.
2.0 SPECIFIC CONDITIONS
2.1
The shelter (s) shall be designed to meet the following
conditions.
(a) Winds 145 mph (235 Km/Hr)
(b) Seismic Zone 4
(c) Ambient temperature of 70
o
F (110
o
C) to -55
o
F
(-30
o
C)
(d) Ambient humidity from (0 - 100) percent
3.0 SHELTER SPECIFICATIONS
3.1
The manufacturer shall provide a shelter___ feet wide
(exterior) X 10 feet high (exterior) X ____long ( to be
specified when the order is placed, interior).
3.2
Walls, Roof and Floor - Plywood sandwich panels in
accordance with stressed-skin panel design of the
Timber Design and Construction Handbook.
3.3
Exterior Finish-Seamless fiberglass-reinforced poly-
ester resin; 1/8 inch thick on exterior walls and under-
floor, 1/4 inch thick on roof; minimum of 15-mil
gelcoat or similar finish.
3.4
Base Frame - 6 inch I-beam skid assembly on 88 inch
centers with cross beams and angles in a fully-welded
construction, designed to support equipped buildings
in shipping or on foundation. Skids shall also be
designed to prevent bending or breaking when the
shelter is moved by towing, dragging or lifting.
3.5
Structural Loading
(a) 200 psf floor loading while lifting or on
foundation.
(b) 3000 pounds concentrated floor load over 4
square feet area
(c) 90 pounds per square foot roof live loading - 7
day duration
(d) 1000 pounds concentrated roof load over 3 feet
square area
(e) 145 mph wind loading while on specified
foundation
3.6
Thermal
Performance - Overall u factor < .08 Btu/hr/
degrees F LBI-39179
"
3.7
Shelter shall be equipped with removable lifting
lugs/eyes to facilitate loading and unloading and
placing the shelter on the foundation
3.8
Shelter shall be equipped with a finished floor of 1/8
inch light colored industrial vinyl tile. The floor shall
be supplied with provisions for customer anchoring of
equipment as specified.
3.9
Shelter inside walls shall be finished with a smooth
surface and light in
color to permit maximum
utilization of available light, and shall be designed to
support customer loads as specified.
3.10 The shelter door (s) shall be of aluminum exterior,
fully insulated and welded construction with stainless
steel, ball bearing, tamper proof hinges, 3 point latch,
dead bolt lock, hydraulic door closer and a fiberglass
awning. If the building is to be bullet resistant, then a
similar door with internal steel plate must be
installed. An internal lock mechanism shall be
employed to allow rapid exit from the building (no
key exit).
3.11 The door shall be equipped with a device to lock the
door in the open position in order to prevent the door
from being damaged by gusting winds. An illegal
entry switch, with form C contacts rated .1 amps at
28 Vdc shall be provided.
4.0 ENVIRONMENTAL CONDITIONS
4.1
The shelter shall be designed and equipped with a
environmental control system consisting of air
conditioning
and heating
capable of maintaining the
inside temperature under operating conditions, plus
sensible and latent heat gains from personnel, at 24
o
C
(75
o
F) ( + ) 3
o
C (5
o
F). The internal temperature shall
not rise above 30
o
C (84
o
F) with an outside ambient
temperature of 45
o
C (110
o
F) (temperatures are to be
maintained while the equipment is operating at 75%
duty cycle) and shall not fall below 18
o
C (65
o
F) with
an outside ambient temperature of -35
o
C (-30
o
F)
while equipment is OFF.
4.2
Air conditioning units shall be wall mounted type as
manufactured by Bard, Marvair, Carrier or an
Ericsson Inc.
approved equivalent. The units shall be
equipped with as a minimum low ambient and
compressor
anti cycle
controls,
and integral
resistance
heat strip (s) and permanent expanded metal dust
filter (s).
4.3
The air conditioning unit (s) shall be controlled via a
separate remote mounted thermostat. If more than
one unit is specified a redundant lead lag controller
which allows for approximate equal operating time on
each air conditioner unit is to be provided. The
system shall provide switching to prevent both units
from activating at the same time so as to prevent
power surge.
4.4
All temperature control equipment shall be installed
in strict compliance with manufactures instructions
and guidelines.
4.5
Heating
and
cooling calculations based on
manufacturer installed equipment and customer
installed heat loads shall also be required. Customer
will provide the manufacturer with heat dissipation
information.
5.0 ELECTRICAL AND LIGHTING
5.1
The shelter manufacturer shall supply and install a
complete working electrical system. Including the
following:
(a) Main power distribution and provision for service
entrance
(b) Lights, interior and exterior
(c) Receptacles for customer and user test-equipment
shall be on separate