division 13 - special construction i. generalfacilities.dadeschools.net/planning/design criteria...

July 00 Division 13 13 - 1 Issued Design Criteria Book 1 M-DCPS

DIVISION 13 - SPECIAL CONSTRUCTION I. GENERAL

A. This division contains the following elements:

1. Relocatable Buildings. 2. Telephone and Data Systems. 3. Intercom and Clock/Bell System. 4. Wiring and Conduit. 5. Technology Centers. 6. Media Retrieval. 7. Instructional TV (ITV). 8. Sound Systems. 9. Facility Management Systems.

a. Security System. b. Energy Management System.

B. Low voltage systems of communication, data, security, and energy management

are in this division due to the special expertise required for proper installation. C. Coordinate electrical and communication connections with architectural and other

elements to eliminate omissions and field conflicts. D. Security and fire alarm wiring tapped ahead of the main in facilities without an

emergency generator. E. Electrical design shall comply with the following:

1. National Electrical Code (NEC) - 1996 (NFPA 70). 2. Standard Building Code -1997 (SBC) except as superseded by SREF. 3. Florida Department of Education, Office of Educational Facilities - State

Requirements for Educational Facilities - 1999 (SREF). 4. Other applicable codes and standards.

F. Consult M-DCPS Office of Information Technology (OIT) - Communications

Services to verify status and coordinate the "Retrofit for Technology Projects," currently active at various school sites.

G. Any equipment, device, system component, or part provided or installed by contractor containing or using date processing shall be Year 2000 (Y2K) compliant. Specify the contractor to provide, before substantial completion, a manufacturer�s statement of Year 2000 compliance with a manufacturer�s and contractor�s warranty against date-related failures.


H. Not all code requirements are listed within M-DCPS Design Criteria. Selected items are included for clarification or emphasis. Research and design according to applicable codes.

I. Training of M-DCPS personnel for operation and maintenance of security and energy management systems shall be included in project specifications and coordinated with the M-DCPS project manager to occur at the project site at least 2 weeks before project acceptance.

J. Include estimated costs for temporary provisions to continue use of existing communication, data, security, and energy management systems during construction at existing facilities.

II. RELOCATABLE BUILDINGS

A. Relocatable buildings (portable classrooms) are prefabricated units delivered to the site.

B. Site plans of new schools shall designate locations of future portable classrooms. C. School designs shall provide for a future number of portable classrooms as

directed by M-DCPS Desegregation, the M-DCPS project manager, or to the following minimums:

1. 8 at elementary schools. 2. 18 at middle schools. 3. 30 at high schools.

D. Extend stubouts beyond sidewalks and other permanent construction toward the

area designated to accommodate portable classrooms. Provide the following minimum requirements for the appropriate new or existing school type unless otherwise directed by M-DCPS.

PROVISIONS ELEMENTARY MIDDLE HIGH

1. Sanitary: 4" 4" 4"

Minimum diameter of cast iron pipe or PVC with 1/8" per foot minimum slope.*

2. Domestic Water: 2" 2" 2-1/2" Minimum diameter of type "L" or "K" copper or PVC. * / **



3. Electrical Load: 8 18 30

Minimum number of portable single classrooms, with 120/208 V. single phase, 6 KW demand each.

4. Switchboard: 1 1 2

Number of blank spaces for future 400 amp breaker labeled "FUTURE RELOCATABLES"

5. Fire Alarm: 1 2 3

Panel with number of spare zone modules. ***

6. Intercom: 8 18 30

Console rated for number of additional classrooms and with space for equal number of future clocks, speakers, and call buttons.

7. ITV: 250' 400' 400'

Terminal able to be tapped and transmit the signal through number of feet.

8. Telephone/Data: 8 18 30

Telephone frame/data cabinet with capacity for number of classrooms.

9. Intrusion Detection: 2 4 6

Panel with minimum number of spare zones, half for doors and half for motion detectors.



10. Energy Management: 1 2 3 Panel with number of spare control points.

11. Empty Conduits: Number

of conduits from each related board or equipment in school to future portable classroom site.

a. Power: 1 2 3

Number of 2-1/2" conduits from main switchboard to underground junction box.

b. Audiovisual: 2 4 6 Number of 2" conduit for clocks, speakers, call buttons, and ITV and security from the intercom console connected also to ITV terminal rack. ****

c. Telephone/Data: 2 5 8 Number of 2-1/2" conduits from main telephone room.

d. Fire Alarm: 1" 1" 2" Diameter of 1 conduit from fire alarm panel.

* PVC is allowed only at exterior buried locations not designated for future

expansion and shall have provisions for locating after burial. ** Maintain 30 psi minimum while flushing at the most remote portable

classroom location. PVC is allowed only at exterior buried locations not designated for future expansion and shall have provisions for locating after burial.

*** At non-addressable systems.


**** This conduit shall also contain security wiring if panels of both systems, usually in the office, are near the intercom console.

E. Provisions for plumbing, electrical, fire protection, security, and other listed

requirements shall be extended to a finish grade landscaped area at least 5 feet beyond an appropriate exterior building location in the area designated by M-DCPS for future portables. Do not locate in circulation paths or in areas receiving future construction. Show and note provisions in construction documents.

F. Empty conduits shall terminate in pull boxes sized per NEC, be readily accessible, covered, and identified.

1. Provide at least one pull box for each of the following:

a. Power. b. Fire alarm. c. Low voltage systems of ITV, telephone/data, speakers, and call buttons. d. Low voltage systems of security, clocks, and energy management.

G. Dimension locations to empty raceways and include information concerning type,

size, number, use, intermediate pull boxes, routing locations, and other related provisions on a contract document site plan labeled "Provisions for Future Portable Classroom Installation".

III. TELEPHONE AND DATA SYSTEMS (13742)

A. Telephone and data systems will be installed by M-DCPS Office of Information Technology - Communications Services (OIT).

1. The sizes and runs of conduit with pull strings and cable trays, outlet boxes,

pull boxes, device boxes/enclosures, dedicated equipment spaces for the above systems, and power for these systems shall be indicated on drawings and furnished and installed by the Contractor.

2. Systems shall comply with SREF and be UL listed.

B. Consult with OIT, (305) 995-3964, regarding telephone and data systems for scope of work. OIT will assign a coordinator for each project.

C. Existing telephone and data systems at addition, renovation, or remodeling projects shall be evaluated by the A/E through consultation with the location staff and OIT to determine if the system is usable, expandable, and complies with SREF and M-DCPS Design Criteria requirements. If the existing system needs to be modified or replaced, OIT will review and approve scope of work.

D. Submittal Phasing Requirements.

1. Phase 2 drawings shall comply with SREF Phase 2 Documents and include


the following in addition to Phase 1 requirements:

a. Revised drawings and written response to each Phase I review comment. b. Conduit layout at 1/8" scale floor plans with conduit sizes noted. c. Telecommunications room and satellite wiring closets located at 1/8"

scale floor plans. d. Intercom racks located at 1/8" scale floor plans. e. Conduit layout at overall site plan showing each existing and future

building, telephone service to site, conduits between the main telecommunications room and satellite wiring closets, and conduits between the intercom equipment racks and satellite closets.

f. Electrical legends for speakers, clocks, bells, call buttons, telephone outlets, and data outlets.

g. Electrical power legends for electrical outlets in the telecommunications room and satellite wiring closets and near data outlets.

2. Phase 3 drawings shall comply with SREF Phase 3 Documents - Final and

include the following in addition to Phase 1 and Phase 2 requirements:

a. Revised drawings and written response to each Phase 1 and 2 review comment.

b. Complete electrical specifications. c. Complete, detailed, and itemized construction cost estimate according to

contact requirements. d. Completed electrical drawings coordinated with plans and specifications

of structural, architectural, electrical, civil, laboratory equipment supplier, kitchen equipment supplier, and not-in-contract equipment to eliminate errors, conflicts, and omissions.

e. Complete riser diagram showing the location of every outlet and conduit sizes from the various wiring closets to the outlets. This shall include the conduits between the wiring closets and the main telecommunications room.

f. Electrical drawings and riser diagrams locating and indicating sizes of pull boxes and junction boxes used in the conduit systems.

E. OIT will provide and install the following:

1. Telephone equipment and wiring. 2. OIT data network equipment and wiring.

F. Telephone and Data Systems.

1. OIT will provide and install each facility with fully operational telephone and

data systems as listed above. Telephone rooms and conduit system shall be


designed and specified for construction and installation by the general contractor.

2. During Phase 1, coordinate the locations and methods of connecting equipment rooms and raceway systems with OIT and the M-DCPS project manager.

3. Phases 1, 2, 3, and electrical shop drawings shall be submitted, through the M-DCPS project manager, to OIT for review, coordination, comments, and acceptance.

4. Provide a minimum of two 3 inch underground conduits for the Bell South service entrance from the property line to the main telephone/ communications room. Coordinate location and requirements with the utility company, electrical design engineer, and OIT.

5. Bell South will provide a surge protected, 100 pair minimum cable service entrance terminating on the main telephone/communications room punch block.

6. Each office and instructional space shall receive a minimum of one telephone outlet or more according to program requirements, with appropriate conduit.

7. Each computer or printer shall have conduit terminating at a junction box. See program requirements for quantities at each space.

8. Provide an empty conduit system with pull strings for the OIT wiring installation at the following according to program requirements:

a. Telephone and Data Locations:

(1) Instructional spaces. (2) Staffed administrative areas. (3) Computer labs. (4) Auditorium stage, cafetorium stage, and gymnastics/ dance. (5) Self-contained administrative offices. (6) Administrative/student support services areas. (7) Media center:

(a) Media center office computers and server. (b) Catalog computers (all connected to server). (c) Circulation desk. (d) Electric carrels. (e) Production resource room.

(8) Computer modem locations. (9) Teacher workrooms. (10) Physical education offices. (11) Cafeteria manager's office (with modem line for cash register). (12) Zone mechanic. (13) Custodian.


(14) Concession booths. (15) Student services area.

b. Telephone outlet locations.

(1) Elevator equipment room. (2) Teacher lounges. (3) Gymnastics/dance control room. (4) Pay phone locations according to manufacturer�s instructions. (5) Energy management system panel. (6) Alarm panels for intrusion and fire. (7) Panel for card access control headend. (8) Electric utility meter room.

c. Data system outlet locations.

(1) Two outlets at the food service manager�s office connected to two

outlets at the main telephone/communications room. (2) Each point of sale cash register connected to an equal number of

outlets at food service manager�s office. See program requirements for number of registers.

(3) Each concession booth to an equal number of outlets at food service manager's office.

9. Mount telephone and data outlets according to the following:

a. Office or clerical location: 18 inches above finish floor or in appropriate

floor outlets. b. Administrative offices and student support services: 18 inches above

finish floor or in appropriate floor outlets. c. Instructional spaces: 18 inches above finish floor or in appropriate floor

outlets. d. Concession booths: 18 inches above finish floor or in appropriate floor

outlets. e. Computer labs: In addition to instructional area requirements, provide

each computer lab with the following:

(1) A 2-piece, 2-compartment raceway using combination duplex receptacle and telephone outlet covers.

(a) Extend appropriately sized conduit from the raceway to a

satellite closet, if not more than 100 feet from the computer lab.

(2) A communications cabinet, 24 inches high, 28 inches wide, and 18


inches deep when the distance from a lab to the satellite closet exceeds 100 feet.

(a) Locate the communications cabinet at the end of the raceway

in the lab and next to the data outlet.

f. Cafeteria manager's office: Provide a 1/2" conduit from the telephone outlet to a junction box outside the office in the kitchen for a M-DCPS provided strobe light/bell unit.

(1) Locate the kitchen junction box centerline 7'6" above finished floor in

an unobstructed visible location.

g. Provide 1/2" minimum conduit from each point-of-sale register to the cafeteria manager�s office, originating in a 4 inch by 4 inch weatherproof box at least 18 inches above finish floor at each register location.

h. Telephone/data outlets installed in floors shall have a mounting frame for a duplex receptacle, a brass cover with brass screws, and two hinged lids to allow the use of either or both outlets.

i. Connect not more than 2 floor outlet boxes together. Provide one 3/4" conduit from the satellite wiring closet to feed a pair of floor outlets.

10. Main Telephone/Communications Room and Satellite Wiring Closets.

a. Provide a main telephone/communications room and satellite wiring

closets as required for wiring and installation of terminal cabinets, terminal blocks, and systems distribution. Equipment components of telephone, intercom, clock/bell, and data communications will also be installed in these rooms.

b. Locate away from generators, compressors, electrical switchboards, load centers, and any other potential sources of radiated or conducted electrical interference.

c. Water, sewer, air-conditioning chilled water, or other similar piping shall not enter, pass over, or pass through the main telephone/communications room or satellite wiring closets. Columns or beams shall not interrupt the spaces.

d. Cover all walls in the main telephone/communications room and satellite wiring closets from floor to ceiling with 3/4" thick plywood painted with fire retardant gray paint.


e. Provide a minimum of 3 conduits between the main telephone/communications room and each satellite wiring closet for copper and fiber cables, one 2" for fiber cable, one 2" for future use, and the remaining conduits for copper cable sized for the total number of telephone and OIT data outlets being served. Size underground conduits as follows:

Conduit Size Number of pairs2" (minimum) 1 - 99 3" 100 - 300 4" 301 - 900

f. See Design Criteria Book 2 - Low Voltage Wiring Standards for main

telephone/communications room and satellite wiring closet layouts. g. Floor finish shall prevent concrete dusting. Carpeting shall not be used. h. Electrical panels, transformers, switches, or any other similar electrical

equipment shall not be located in satellite wiring closets. i. Floor live load shall be designed for 150 pounds minimum per square

foot. j. Provide conduits for media center network hub to appropriate main

telephone/communications room or satellite wiring closet.

11. Main Telephone/Communications Room.

a. Minimum room dimensions shall be 12 feet deep, 16 feet wide, 8 feet high, and with a 3 feet by 7 feet high metal door, with "TELEPHONE ROOM" signage.

b. At new construction, the main telephone/communications room shall be in a separate room from the intercom control main console area. Connect the two areas with three 2 inch conduits or cable trays.

(1) Locate the main telephone/communications room in the media

center, if the administration area is in the same building. (2) Locate the main telephone/communications room in the

administration area if the media center is not in the same building.

c. Telephone equipment and the intercom control main console may share a room at existing facilities with space limitations.

d. Locate the main telephone/communications room at least 1 foot above flood criteria, next to the administration area, and in the same building. A second floor location may be used if above the administration area.

e. Provide an isolated ground for the telephone system. f. Provide an independent HVAC system and a system for regulating

relative humidity.


(1) Room conditions shall not exceed 75 degrees F. and be maintained at 60 percent relative humidity at all times.

(2) The design heat load will be approximately 10,000 BTU/hr.

12. Satellite Wiring Closets.

a. Minimum room size shall be 3 feet deep, 7 feet wide, and 8 feet high.

(1) Provide access from an enclosed interior corridor at the 7 foot wide wall with a pair of 3'0" wide by 7'0" high louvered hollow metal doors, with "TELEPHONE ROOM" signage, head and foot bolts, and storeroom function locks. Exterior access requires M-DCPS approval on a per condition basis and shall receive non-louvered doors.

b. Satellite Wiring Closet Locations.

(1) Locate in a separate room next to electrical rooms. (2) Do not exceed a 300-foot maximum wire run between satellite wiring

closets and the main telephone/ communications room. (3) Locate to not exceed a maximum wire run of 250 feet to a telephone

or data outlet. (4) In multistory buildings, stack satellite wiring closets vertically

wherever possible and connect with a minimum of three 4 inch sleeves through the slab.

c. Do not locate transformers or other heat generating equipment in satellite

wiring closets.

13. See Intercom System, this division, for equipment locations, intercom control main console and cabinet, and related fire alarm components.

14. Electrical requirements for the main telephone/communications room and satellite wiring closets shall include the following:

a. Provide one 1/2" by 1 inch minimum size ground bar 10 inches above

finish floor at the center of each wall of the main telephone room and at the back wall of each satellite wiring closet. The ground bar shall have at least 12 branch terminals and be connected by #6 AWG copper to one of the following building grounds:

(1) The metal frame of the building if effectively grounded. (2) A buried metal water pipe system not less than 10 feet long.


(3) An electrode with at least 2 inch concrete encasement located within

and near the bottom of a concrete foundation in direct contact with earth. The foundation shall have at least 20 feet of either bare solid copper wire not less than #4 AWG or one or more steel bars of not less than 1/2" diameter.

(4) A ground ring of at least 20 feet of not less than #2 AWG bare copper conductor in direct contact with earth and buried at least 2-1/2 feet encircling the building or structure and with a #6 AWG wire attached to the permanent power ground.

b. Solid neutral assemblies used in panel boards to tap branch neutral wires

may be installed as grounding bars. The ground in the main telephone switch room shall be connected by a #6 copper wire to the building's main electrical power ground at the transformer vault.

c. See Design Criteria Book 2 - Low Voltage Wiring standards for quad receptacles at the room perimeter with 115 volt 60 Hz, 20 amp service.

(1) Receptacles shall be dedicated and not be under switch control. (2) Provide one quad receptacle inside each terminal cabinet and one

quad receptacle outside the cabinets in each satellite closet. (3) A quad receptacle shall be installed every 4 feet of the perimeter in

the main telephone/communications room.

d. In the main telephone/communications room, power outlets used by the telephone system and other systems needed during emergencies shall be wired to be operational on the emergency generator.

e. Terminate data conduit at 4' x 8' minimum backboards at wiring rooms. f. A minimum of 50 foot candles, measured at 3'0" above finished floor

level, shall be available at all times. Use RFI suppressed fluorescent lighting.

15. Provide a flexible cost-effective system for distributing the interconnecting

wiring between the various devices in this section.

a. In retrofits of existing building structures, evaluate the use of the existing telephone equipment locations to avoid the rewiring of the entire facility.

b. An existing telephone or data system, with prior acceptance from OIT, shall be extended to provide the same capabilities as the existing facility's system and comply with M-DCPS Design Criteria.

(1) Each added instructional area shall have adequate raceways and

conduit for OIT telephone and data wiring to allow connection to the


main telephone/ communication room or a satellite wiring closet. (2) Install additional underground conduits, pull boxes, or cable trays as

needed. Empty conduits shall have pull strings. (3) Existing telephone, data, and intercom modifications shall comply

with OIT new installation requirements. IV. INTERCOM AND CLOCK/BELL SYSTEM (13745)

A. INTERCOM SYSTEM

1. An intercom system, with clock/bell and wiring furnished and installed by the Contractor, shall connect the administration area and student support services with all student occupied areas.

2. Determine, with M-DCPS Facilities Operations, the scope of work at existing intercom systems for replacement or modifications to achieve compatibility with new intercom systems.

3. Call buttons, a clock, and speakers shall be at the following:

a. Instructional spaces. b. Staffed administration areas. c. Auditorium stage, cafetorium stage, and gymnastics/dance.

4. Speakers shall be at the following:

a. Group toilet rooms. b. Hallways. c. Other areas determined by A/E and M-DCPS Facilities Operations.

5. Call buttons and speakers shall be at the following:

a. Self-contained administrative offices. b. Areas for emergency rescue assistance.

6. If the intercom system is used instead of pull stations, provide 2-way

communication between all student occupied areas and a designated manned location, according to SREF.

7. The sizes and runs of conduit and cable trays, outlet boxes, pull boxes, intercom speaker/clock back boxes device box/enclosures, dedicated equipment spaces for the above systems, and power for these systems shall be indicated on drawings and provided and installed within the general construction contract.

8. The intercom system shall consist of remote speakers connected via conduit to an intercom control main console with two-way voice communication capability.


a. Provide conduit and enclosure boxes as required.

b. Speaker design or layout shall prevent adjacent rooms from being

inoperative during speaker component failure.

9. The intercom system will be UL listed. 10. Connect the intercom system and the clock/bell system to emergency power

as required by SREF.

a. The clock/bell system shall also be wired to be operational on emergency power.

b. Provide an uninterruptible power supply system (UPS) as a secondary backup source of emergency power with sufficient capacity to operate the complete intercom system, including two-way communication, under idle load for 24 hours plus all speakers at full load for a continuous period of 5 minutes. Provide battery load calculations to M-DCPS.

c. Provide connection to notify M-DCPS District Communication Management (DCOM) when the system is on emergency power.

11. If the intercom has a telephone interface, it shall be able to be connected as

follows:

a. Loop start connection to the Merlin System at elementary schools. b. E & M interface to AT&T System 75 or G1 with a 4-wire audio with 2 wire

signal control supervised tie-in at middle and high schools. Use a loop start interface if the intercom does not contain an internal PBX system.

c. Interface according to FCC rules and regulations, Part 68.

12. Locate the intercom control main console and backup components at the media center, near the television distribution center, at new facilities unless otherwise directed by M-DCPS.

a. Intercom functions shall also be controlled by at least 3 administration

telephones by the intercom manufacturer. Locate one at the media center, one in administration area, and others according to M-DCPS Facilities Operations.

(1) The designated administration telephones shall be located where

the responsible personnel must leave their regular station and answer the emergency call.

(2) The designated administration telephones shall be used for normal and emergency intercom announcements.


b. A highly visible emergency call display and a fire alarm pull station shall be installed next to the designated administration telephones.

c. Provide conduit for the designated administration area intercom telephone

and a highly visible wall mounted emergency call display next to the fire alarm control panel. See Division 16 - Fire Alarms.

13. The incoming and outgoing main console conduits require a sufficiently deep

recessed cabinet, with doors, containing punch blocks with surge protection for the intercom system, behind the intercom system rack.

a. The intercom system rack and main telecommunications room shall be

interconnected by a cable tray or three 2 to 4 inch conduits. b. If a satellite wiring closet is located in the media center, the required

conduits shall go to the satellite wiring closet and not the main telecommunications room.

c. Clock/bell and intercom system wiring are based on home runs. Provide conduit or cable trays from audio outlets to the main telephone/communications room or satellite wiring closets as follows:

(1) Intercom wiring shall be in dedicated conduit or cable trays, and not

with wiring of other low voltage systems. (2) Clock wiring shall be in dedicated conduit. (3) Bell wiring conduit shall be according to manufacturer�s

requirements.

d. Provide a minimum of two 2 inch conduits between the intercom main equipment racks to each satellite wiring closet.

14. The two-way voice communications from instructional spaces will be

accessed through normal/emergency call button outlet boxes 42 inches above finish floor at the technology center panel:

a. Normal call - neutral color button. b. Emergency call - red button.

15. The intercom speakers shall be wall mounted in a standard clock/speaker

assembly. See Clock/Bell System for mounting locations. 16. Toilet rooms, hallways and normally unoccupied spaces other than storage

rooms shall have ceiling speaker enclosure boxes installed for intercom purposes.

17. Do not install intercom components at PE shelters or other exterior spaces. 18. The cafeteria, kitchen area, gymnastics/dance, auditorium, gymnasium, and

meeting rooms shall have additional speakers and enclosure boxes.


a. Determine speaker quantity based on speaker type, room size,

configuration, and acoustical characteristics.

19. Television production studio will have a clock without an intercom speaker. Other instructional spaces and teacher areas within this department shall have the standard clock/speaker assembly.

20. Provide conduit for separate intercom volume controls and privacy switches for office areas.

21. Provide conduit from cable trays to the clock/speaker assembly for systems wiring.

B. Clock/Bell System.

1. Locate a 24-volt master clock with digital display units at the technical

processing center in the media center and analog 24 volt DC impulse secondary clocks, as noted, in any other occupied spaces. Provide an integrated bell system as part of the master clock system.

2. Provide flush-mounted clock/speaker enclosure boxes 7'6" above finish floor to clock centerline on a wall providing glare-free and unobstructed viewing in instructional spaces, administration offices, student support services, custodian and cafeteria offices, and any other occupied spaces. Coordinate locations with projection screen locations. Refer to Type 1 Configuration.

3. Clock/speaker assemblies may be surface mounted in retrofit applications. 4. Clock wiring shall be in a separate conduit from all other wiring. Conduit

branching to each clock carrying three #12 AWG wires shall be in at least 1/2" conduit.

5. Locate speakers and exterior horns as required to comply with sound level requirements for interior and exterior spaces.

V. WIRING AND CONDUIT (13740, 13742)

A. Provide at least one pull box for every 100 feet of conduit run.

1. Install additional pull/junction boxes in runs exceeding 100 feet. 2. Conduit runs shall not have more than two 90 degree bends or equivalent.

Provide additional pull boxes regardless of length to meet this requirement. 3. Each conduit run from the main telephone/communications room or satellite

wiring closets to stations for telephones or administrative/instructional data lines shall not be longer than 250 feet.

B. Use cable tray systems when appropriate and cost effective with routings

following corridors to the central distribution points of the main telephone/communications room and satellite wiring closets for telephone, data,


and intercom wiring.

1. Wiring from cable trays to equipment, devices, or outlets shall be in 3/4" minimum metallic conduits and in two separate 1/2" conduits to clocks and to intercom speakers. Conduits from cable trays shall feed instructional spaces, computer labs, teacher workrooms and any other staffed administrative location.

2. Clock wiring shall be in a separate clock conduit system, even from other wiring in cable trays.

a. Provide a junction box at each point in the clock conduit system for

connecting the clock wiring buss in the conduit to each clock by tapping a branch wiring run from the buss to the clock.

b. Use the clock section of the backbox as the junction box and wiring the clock buss, with some slack in each box, from the clock to clock in a daisey chain fashion.

3. Cable trays shall be concealed above fully-accessible ceilings. Cable trays in

exposed locations or above plaster, metal, concealed-spline, or any other inaccessible ceilings are not allowed.

4. Cable trays shall not obstruct light fixtures, access panels, damper controls, piping valves, or any other equipment requiring access.

5. Maintain fire ratings when conduits or cable trays penetrate fire rated assemblies.

6. Cable trays shall not be at exterior covered walkways. 7. Size cable trays for 140 percent of required capacity and specify to position

hangers with adequate clearance to allow an installation of a future second tray.

C. Telephone/data, clock/bell, and intercom system wiring are based on home runs

and shall not share conduits from the wall outlet to the main telephone/ communications room or satellite wiring closets.

1. Share conduits with wiring of different low voltage systems, except as follows:

a. Telephone/ data, and intercom wiring cannot be in one conduit or cable

tray. b. Clock wiring shall be in dedicated conduit. c. Bell wiring conduit shall be according to manufacturer�s requirements.

2. Provide 3 separate conduits between wiring closets for telephone, data, and


future wiring. 3. At additions or renovations, comply with conduit arrangements as noted in

this division, where possible. The three #12 AWG wires used for clocks shall not share conduit with other wiring.

D. The number and size of conduit for various systems shall be determined by the

requirements of each system and be reviewed by OIT. For general information purposes, use the following for wiring:

1. Telephone: 4 pair twisted unshielded #24 2. Intercom:

a. Intercom speaker 1 pair shielded #22 b. Normal call-in 1 pair unshielded #22 c. Emergency call-in 1 pair unshielded #22

3. Data (computers):

a. OIT Data Network 4 pair twisted unshielded #24 b. Administrative 4 pair twisted unshielded #24 c. Instructional 4 pair twisted unshielded #24 d. Data cable between one 48 strand 62.5/125

satellite and main multimode fiber telephone room

Note: Data twisted pairs shall be capable of transmitting at a 100 Mbps data rate over a minimum of 100 meter distance (Category 5 UTP).

4. Clock: 3 conductor #12

E. OIT will install:

1. Fiber optic cable for data distribution in underground conduit. 2. Jelly-filled multiconductor copper cable (black cable) for telephone

distribution in underground conduit. 3. A 12-strand minimum 62.5/125 micron multi-mode fiber cable between new

and existing closets. 4. Each administrative and instructional computer jack.

F. Electrical outlets for 120 volts AC power related to data, telephone, and intercom

shall be wired by the general contractor. G. Outlet box to outlet box wiring (daisy chaining) is not allowed. Provide 3/4"

minimum conduit and accessible junction/pull boxes between a final outlet box not further than 250 feet from main telephone/communication room or satellite wiring


closet. H. Provide a minimum of three 2 inch conduits between the main

telephone/communication room and each satellite wiring closet. I. Each satellite wiring closet main distribution conduits from the main telephone

room shall be as follows:

1. One 2 inch conduit for fiber optic cables. 2. At least 1 appropriately conduit sized for copper cables for telephone and

data based on the number of work locations, and not less than two 2 inches each. Each work location requires 6 pairs of 24 AWG wire. Provide 20 percent spare capacity.

3. One 2-inch conduit for future use.

J. Conduit sizes, distribution, and paths of fiber and copper will be determined when the system outlet layout is finalized.

K. Provide wall space and access at the main telephone/ communications room and satellite wiring closets for the following:

1. Protection assemblies for black cable as determined by the wiring and

telephone vendors, approximately 9 inches wide, 20 inches high, and 5 inches deep and at both ends of installed underground copper cable.

2. Splice cases required for black cable, approximately 9 inches wide, 33 inches high, and 7 inches deep.

3. Required data hub and patch panel cabinet, approximately 28 inches wide, 18 inches deep, and 2, 4, or 6 feet high.

4. Jack panels for black and bundle cables as determined by the wiring and intercom vendors, approximately 11 inches wide, 4 inches high, and 3.5 inches deep.

5. Lightguide interface unit for fiber optic cable, approximately 8 inches wide, 12 inches high, and 4 inches deep.

6. Wall mounted telephone switch for elementary schools, approximately 22 inches wide, 21.5 inches high, and 12 inches deep.

7. Sixty-six block for intercom system as determined by the wiring and intercom vendors, approximately 4 inches wide, 20 inches high and 3 inches deep.

L. Each computer lab outlet box requires one 4-pair cable. Any other outlet served

requires four 4-pair cables to be pulled from a wiring room or closet. Size conduit as follows:

Conduit Size Number of Cables When Pulled Together 3/4" (minimum) 4 1" 7 1-1/4" 12


1-1/2" 16 2" 22 2-1/2" 36 3" 50

VI. TECHNOLOGY CENTERS

A. The technology center organizes the electronic access functions to a centralized location.

B. Locate the technology center within easy access, control, and use by the instructor or staff at the front of the classroom with 1 outlet box for 2 computer drops.

1. Locate away from egress doors and egress paths. 2. Locate instructional space technology centers below televisions and at a not-

in-contract computer table according to instructional TV locations in program requirements and Division 5 - Metals for TV brackets.

C. Different rooms require different technology center configurations. See Design

Criteria Book 2 - Low Voltage Technology Center Configurations and as follows.

1. Instructional Spaces:

a. Normal call button and an emergency call button mounted at 42 inches above finish floor.

b. Telephone jack, data jacks, and associated electrical receptacles at 18 inches above finish floor directly below call buttons. Refer to Type 1 Configuration.

c. Also, provide data jacks and duplex electrical receptacles for the number of student computer workstations according to program requirements at instructional spaces.

d. For additional required computers, locate 2 outlet boxes for 5 computers at the rear of the classroom. See program requirements for electrical outlets.

2. Administrative offices, teacher planning offices, and student support services:

a. Data jacks, telephone jack, and electrical receptacles at 18 inches above

finish floor. Refer to Type 2 and 3 Configurations.

(1) Each work station and office will be accessed by 1 telephone, 1 data, and 2 LAN data jacks.

(2) Provide a speaker, a normal call button, and an emergency call button at each office.


(a) Include 1 emergency call button and 1 clock/speaker within an

administration area.

3. LAN server locations, and other locations determined by OIT:

a. Data jacks, telephone outlet, and electrical receptacles at 18 inches above finish floor or recessed in floor. Refer to Type 4 Configuration.

(1) Each microcomputer lab student workstation: Data systems jacks

and electrical receptacles at 18 inches above finish floor or recessed in floor. Refer to Type 5 Configuration.

(2) All other occupied areas designated according to program requirements shall have data jacks, telephone outlet, and electrical receptacles at 18 inches above finish floor or recessed in floor. Refer to Type 6 Configuration.

(3) The cafeteria, kitchen area, gymnastics/dance, auditorium, gymnasium, and meeting rooms shall have additional speaker locations installed for intercom purposes.

D. Locate normal call buttons, emergency buttons, telephone jacks, and data jacks

in outlet boxes according to Design Criteria Book 2 - Low Voltage Technology Center Configurations.

VII. MEDIA RETRIEVAL

A. If program required, instructional spaces at new or existing facilities will have the ability of media retrieval from the media center through the telephone system.

VIII. INSTRUCTIONAL TV (13780)

1. Provide an instructional TV system to distribute TV signals to each instructional space in the facility and other locations according to program requirements. Provide control racks and equipment in the media center for TV distribution.

2. TV distribution, to instructional spaces and other locations, from the media

center shall be independent from the intercom, security, and alarm systems. 3. The TV system shall have Instructional Television Fixed Service (ITFS) and

FM antenna systems, Ch 17 to Ch 5 processors and modulators, and the following:


a. At schools with CATV service available:

(1) Processors for educational and commercial channels. (2) One 2-inch conduit from CATV service entrance to TV distribution

center.

b. At schools without CATV service:

(1) VHF low band antenna system. (2) UHF antenna system. (3) Provide one 2-inch conduit from the TV distribution center to the

nearest appropriate telephone pole.

4. Provide required antennas, accessories, and appurtenances to withstand wind velocity pressures determined by American Society of Civil Engineers (ASCE) 7-98.

a. Use American Society of Civil Engineers (ASCE) 7-98 Exposure Category

"C" for wind design at M-DCPS additions and new construction, except when required by a coastal building zone location to use Exposure Category "D".

(1) Wind load importance factor for educational buildings shall be 1.1. (2) Wind load importance factor for enhanced hurricane protection

areas (EHPAs), shall be of 1.0 and using map wind speed plus 40mph.

5. Antenna shall be of sufficient height to provide line of sight signals from the

M-DCPS transmitter at the Miami-Dade Government Center at 111 NW St. Street.

a. Antenna, height requirements, location, and design will be reviewed for

acceptance by M-DCPS Media Programming. See Design Criteria Appendix for a concrete TV antenna pole detail. Maximum exposed height shall be 90 feet.

b. Locate the tower based a 300 foot maximum wiring run from the antennas to the TV distribution center.

c. Provide two 2 inch conduits from the tower to TV distribution center.

6. Broadband amplifiers may be allowed for future expansion of the TV system only when accepted by M-DCPS Media Programming.

7. Instructional space televisions shall be bracket mounted. See Division 5 - Metals for installation and location requirements.

8. Televisions at administrative spaces or other non-instructional spaces


according to program requirements will not be bracket mounted. Provide a TV distribution outlet at 18 inches above finish floor with an adjacent duplex receptacle within 4 feet of designated TV locations.

9. Show TV locations, bracket locations, and related outlets on plans. IX. SOUND SYSTEMS (13770)

1. Provide sound reinforcement systems in the auditorium, cafeteria, gymnasium, theater lab, gymnastics dance, and other program required locations with the following operational capabilities:

a. Sound reinforcement for live presentations. b. Recording of live performances and reproduction of prerecorded

cassettes and compact disks. c. Stage monitor system for future portable speakers suitable for audio

monitoring and sound effects. d. Provide for external recordings, radio, television, and other media feed

outputs. e. Properly matched projector input. f. Cue headset systems with inputs noted.

X. FACILITY MANAGEMENT SYSTEM

A. The systems components of the Facility Management System (FMS) include:

1. Fire Alarm (FA). See Division 16. 2. Security. 3. Energy Management System (EMS).

B. FMS components shall be provided with electric transient protection. C. Renovation or additions to existing facilities shall be reviewed by M-DCPS

Energy/Communications (995-1550), for extent and coordination of energy management.

D. The FA, security, and EMS shall be compatible with the M-DCPS Facility Information Network (FIN).

E. The FA, security, and EMS shall be connected to M-DCPS District Communication Management (DCOM) in the School Board Administration Building (SBAB) via telephone line to transmit alarms, system status, and programming.

F. The security and EMS systems wiring shall run in cable trays, whenever feasible, with connections from the cable tray to any device or equipment in metallic conduit.


1. The security wiring shall be:

a. Power: 1 pair (stranded size varies with load and distance) b. Signal: 1 pair (#22 AWG stranded loop system)

2. Security, EMS, and fire alarm wiring shall be in separate conduit.

G. Fire Alarm System: See Division 16. H. Provide an security system to include the following:

1. Intrusion Detection System (13845).

a. A UL mercantile control panel with keypads, extended zone modules, and remote power supplies as required. In addition to standard functions, include the capability to bypass any zone or use time delay operation. The system shall be hardwired in its entirety.

b. The intrusion alarm system shall be zoned to annunciate the location within the complex initiating the signal.

c. Any activated device during non-student hours shall alert the administration area and the M-DCPS District Communication Management (DCOM).

d. Specify the programming and interface to DCOM shall be by the Contractor.

e. Door Contacts.

(1) Provide door contacts and related devices at exterior doors, roof scuttles, and interior doors to high security spaces including, but not limited to, spaces containing student records, audiovisual equipment, instructional TV equipment, computer equipment, chemical storage, facility operation and management equipment, and other similar valuable goods.

(2) Rooms with both interior corridor access and motion detectors do not require door contacts.

f. Motion Detectors.

(1) Provide motion detectors in each area with windows, fixed glass, or

glass block to the exterior and any room with vision panels, regardless of the location or function.

(2) Provide motion detectors at exterior accessed storage rooms. (3) Provide individual zones for each motion detector. (4) Motion detectors shall be dual technology (PIR/ microwave).


g. The system shall provide for the separate partitioning of cafeterias,

cafetoriums, auditoriums, food service areas, gymnasiums/locker rooms, media centers, administration areas, music rooms, little theaters, and any other areas according to program requirements. A building may have multiple partitions but one partition should not include multiple buildings.

h. A maximum of 4 associated door switches may be grouped in a zone. Provide independent wiring to each switch from a junction box located next to the expansion zone module (EZM) before converting to a zone.

i. Next to each card reader of a card access control system and inside the partitioned location, provide an intrusion detection key pad within 5 feet of the entrance door.

2. Card Access Control System (13851).

a. Provide a microprocessor card access control system in new construction

and designated renovation projects to monitor and control access to specific areas requiring frequent after-hours access. M-DCPS Police will review and approve card reader locations in Phase I submittal.

b. Card access control systems shall be separate from the intrusion detection system and the fire alarm.

c. Card Access Control System shall include:

(1) A proximity card reader installed on the exterior of an entrance for the identification of authorized personnel. Verify an intrusion detection key pad is within 5 feet of the entrance door and also within the partitioned location.

(2) Magnetic strikes as specified in finish hardware specifications. (3) A modem according to manufacturer's requirements and compatible

with DCOM.

d. Card access locations include, but not limited to the following:

(1) Elementary schools: Administration area, media center, cafeteria/kitchen, and skills development computer labs.

(2) Middle schools: Administration area, media center, cafeteria/kitchen, skills development computer labs, band room, and physical education offices.

(3) High schools: Administration area, media center, cafeteria/kitchen, skills development computer labs, band room, chorus room, physical education offices and locker rooms.

e. Locate proximity card readers at entrances determined by convenient

access to parking areas.


f. The design shall include necessary components, wiring, for power and control to sensors, card access controls, locks, and other door hardware items or devices.

g. Provide an uninterruptible power supply system (UPS) for the card access control system.

h. Refer to door hardware section in Division 8 for additional information on card access control systems.

3. Closed Circuit TV (CCTV) Surveillance System (13827).

a. Provide a raceway system for a not-in-contract CCTV surveillance system

with 32 cameras at middle and high schools and 16 cameras at elementary schools.

(1) System layout will be initially reviewed at Phase 1. (2) Other facilities will be evaluated on a per project basis by M-DCPS

to decide if a CCTV system is required.

b. Camera locations will be reviewed by M-DCPS School Police, region administration, site administrator, and M-DCPS Maintenance and Operations – Office of Special Projects.

c. Power Supply:

(1) Headend equipment shall be powered from the closest 120 volt power panel. Install transient voltage surge suppression (TVSS) and lightning protection at the power source. Circuits shall originate from the same phase. Phase conductors and equipment ground shall be sized according to the following branch circuit voltage drop formula:

D x 2 x I x Ze = VD (12 AWG minimum)

1000

(2) Provide one 20 amp circuit for each 16 camera multiplexer. (3) Provide a dedicated 3/4" raceway with pullstrings for conductors. (4) Common neutrals are not allowed. (5) Multiplexers, monitors, recorders, and other related viewing and

recording equipment shall be on emergency power or if not feasible, on one uninterruptible power supply (UPS) rated for 30 minutes of operation for each multiplexer.

d. Additions and remodelings shall include necessary conduits to

interconnect new and existing buildings. e. At retrofit sites, provide a system to accommodate no more than 32

cameras at middle and high schools and no more than 16 at elementary


schools. Actual number of cameras and locations will be determined by M-DCPS. Other facilities will be evaluated on a per project basis by M-DCPS for system requirements.

f. Provide for a complete operational open architecture color CCTV system with multiplexers capable of interfacing with alarms and transmitting digital video signals over the M-DCPS WAN. Equipment, warranties and training shall be as specified by M-DCPS.

g. Cameras will be installed for daytime surveillance, identification of personnel, and nighttime security to monitor the building perimeter to determine cause of alarm.

h. Locate cameras to monitor:

(1) Major points of congregation. (2) Building entrances and exits. (3) Receiving areas. (4) Storage locations containing electronic equipment. (5) Parking lots.

i. Pole Mounted Cameras:

(1) Coordinate landscaping to provide viewing areas unobstructed by trees and shrubs.

(2) Eliminate hidden areas of the building and other hard to view areas. (3) Site lighting shall not interfere with camera viewing capability. (4) Metallic structure of pole mounted cameras shall be grounded to the

pole's minimum 10 foot long 1/2" diameter ground rod, . (5) Each pole mounted camera shall have its own TVSS and lightning

protection.

j. Cameras mountings shall be at least 14 feet high on poles or the building for protection from vandalism.

k. Outdoor cameras will be provided with a M-DCPS accepted vandal resistant weatherproof housing and thermostatically controlled fan.

l. Fixed or tilt-pan-zoom cameras will be placed to provide an overlap of the designated field of vision and eliminate blind spots.

m. Interior cameras will be mounted in vandal resistant corner wedges or ceiling camera housings.

n. Cameras are not allowed in instructional spaces, locker rooms, or toilet rooms.

o. The use of covert or dummy cameras is not allowed. p. For CCTV display units and equipment, provide:

(1) An air-conditioned area where there is no student access. (2) An area large enough to accommodate the equipment, and

monitoring personnel.


q. Exterior and interior camera types will be determined by location, the area

to be monitored, and the field of view.

(1) Cameras will consist of fixed position, fixed position motorized lens and tilt-pan-zoom units.

(2) Exterior tilt-pan-zoom units will be configured to match the surrounding atmospheric conditions.

(3) 360 degree tilt-pan-zoom units with preset stop settings will be used. (4) Lenses will be specified according to the field of view, distance, and

light conditions.

I. Energy Management System (13810).

1. The Energy Management System (EMS) includes the following:

a. HVAC temperature controls. b. HVAC automation. c. Lighting automation.

2. See program requirements for the scope of the EMS.

a. All new facilities shall have an EMS. b. Existing facilities with an operational EMS shall have equipment for new

work or renovations compatible with the existing EMS. c. Existing facilities with non-operational EMS:

(1) Provide conduit with pullstring to each new or renovated space from the proposed or existing EMS location.

(2) See program requirements to decide date when EMS shall be made operational.

d. Existing facilities with future EMS proposed:

(1) Provide conduit with pullstring from each new or renovated space to

planned administration area or equipment room location of microprocessor.

3. The EMS shall be microprocessor based and include:

a. Central Control Station.

(1) At M-DCPS Energy/Communications for continuous monitoring and

programming of HVAC, alarms, lighting, power consumption, chiller upstart, and creating a historical database.


(2) Microprocessor with printer and color monitor.

b. Field Control Station.

(1) Field control processor shall be at the most centralized location among electric room, telephone room, or administration area and be a portable device.

(2) Microprocessor shall have expandable capability. (3) Provide capability of on-line communications with all field control

processors and unitary control processors.

c. School Energy Control Station.

(1) For use by authorized on-site staff to temporarily energize HVAC and lighting loads controlled by the EMS.

(2) Equipment.

(a) Unitary Control Processors - Stand alone microprocessor unit. (b) See Design Criteria Book 2 - Energy Control Station for

override system panel.

(3) Capable of reprogramming and monitoring from the M-DCPS Energy/Communications.

d. All necessary software and hardware components for a fully integrated,

functional system.

4. System shall interface and be compatible with M-DCPS Energy/Communications in the School Board Administration Building, Room 548, via dedicated telephone lines.

a. System shall be remotely supervised from M-DCPS

Energy/Communications. b. Control shall be automatic with capability for overriding and programming.

5. Use multiplex wiring with twisted pair cable for sensing and command

transmission by Direct Digital Control (DDC) technology. 6. Control points shall include, but not limited to:

a. HVAC: chillers, pumps, cooling tower fans, and ventilation and exhaust

fans. b. Boiler and water heaters. c. Interior and outdoor lighting.


d. Status of alarm systems: fire and security.

7. Provide appropriate surge protection for equipment. 8. Communications between M-DCPS Energy/Communications and field/unitary

control processors shall occur on dial-up data communication lines. 9. Modems provided for this system shall comply with M-DCPS Master

Specifications. 10. Provide one 1/2" conduit with pull string from the field control panel to the

main Bell South cable entry to the building. 11. The school override station shall be installed in the school administration

area within view of the principal's office. Installation shall be flush mounted with temperature display centerline at 5'0" above finish floor.

12. Ventilation fans shall be interlocked with corresponding air handling unit or otherwise controlled through EMS.

13. Exterior lighting circuits and designated interior areas shall be interlocked

with the EMS.

a. The interlock wiring shall provide for lighting circuits to remain energized (failsafe) in case of a total EMS failure.

b. Exterior corridor lighting circuits shall be controlled through the EMS to provide two levels of illumination. Full illumination shall only be energized during periods of scheduled evening occupancy. At other evening hours, provide reduced level of illumination for security purposes.

END OF DIVISION