Chaffey Community College District Page 1 of 39 RFP/RFQ No. 15P39 Building Automation Retrofit REQUEST FOR QUALIFICATIONS (RFQ) AND REQUEST FOR PROPOSALS (RFP) FOR RFP/RFQ No. 15P39 CHAFFEY COMMUNITY COLLEGE DISTRICT BUILDING AUTOMATION SYSTEMS RETROFIT RANCHO CUCAMONGA February 19, 2015 CHAFFEY COMMUNITY COLLEGE DISTRICT 5885 Haven Avenue Rancho Cucamonga, CA 91737
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Chaffey Community College District Page 1 of 39
RFP/RFQ No. 15P39 Building Automation Retrofit
REQUEST FOR QUALIFICATIONS (RFQ)
AND
REQUEST FOR PROPOSALS (RFP)
FOR
RFP/RFQ No. 15P39
CHAFFEY COMMUNITY COLLEGE DISTRICT
BUILDING AUTOMATION SYSTEMS RETROFIT
RANCHO CUCAMONGA
February 19, 2015
CHAFFEY COMMUNITY COLLEGE DISTRICT
5885 Haven Avenue
Rancho Cucamonga, CA 91737
Chaffey Community College District Page 2 of 39
RFP/RFQ No. 15P39 Building Automation Retrofit
NOTICE TO CONTRACTORS INVITING PROPOSALS
Pursuant to California Government Code section 4217.10 et seq., the Chaffey Community College
District hereby seeks proposals (Proposals) pursuant to this RFQ/RFP No. 15P39 for Building
Automation Systems Retrofit (Project). The District, has applied for Proposition 39 funds to
implement the Building Automation Retrofit project. The District has identified the need for a
Building Automation system suitable for this project and is soliciting proposals for system
installation. All bidders shall be trained and authorized in Lonworks installation, and have
successfully completed projects of similar size and complexity in past five years.
The proposed project incorporates replacement of existing building automation systems in
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SECTION 23 09 23 - DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC
PART 1 GENERAL
1.1 SUMMARY
A. It is the intent to have this Contractor provide a complete new DDC System for the buildings and
work shown on the Drawings. 1.2 SYSTEM DESCRIPTION
A. The Direct Digital Control (DDC) system shall be a complete system suitable for the control of
the heating, ventilating and air conditioning (HVAC) and other building-level systems as specified and shown.
B. System Requirements - Systems installed under this specification shall have the following
characteristics: 1. The control system shall be an open implementation of LonWorks technology using CEA-
709.1B as the communications protocol and using LonMark Standard Network Variable Types as defined in LonMark SNVT List exclusively for communication over the network.
2. LonWorks Network Services (LNS) shall be used for all network management including addressing and binding of network variables. A copy of the complete, fully-commissioned, valid, as-built Final LNS database shall be submitted to the project site as specified. All devices shall be on-line and commissioned into the LNS database.
3. The hardware shall perform the control sequences as specified and shown and provide control of the equipment as specified and shown.
4. Control sequence logic shall reside in DDC hardware in the building. The building control network shall not be dependent upon connection to a Utility Monitoring and Control System (UMCS) for performance of control sequences in this specification. The hardware shall, to the greatest extent practical, perform the sequences without reliance on the building network.
5. The hardware shall be installed such that individual control equipment can be replaced by similar control equipment from other equipment manufacturers with no loss of system functionality.
6. All necessary documentation, configuration information, configuration tools, programs, drivers, and other software shall be licensed to and otherwise remain with the Customer such that the Customer or their agents are able to perform repair, replacement, upgrades, and expansions of the system without subsequent or future dependence on the Contractor.
7. Provide sufficient documentation and data, including rights to documentation and data, such that the Customer or their agents can execute work to perform repair, replacement, upgrades, and expansions of the system without subsequent or future dependence on the Contractor.
8. Hardware shall be installed and configured such that the Customer or their agents are able to perform repair, replacement, and upgrades of individual hardware without further interaction with the Contractor.
9. Control hardware shall be installed and configured to provide all input and output Standard Network Variables (SNVTs) as shown and as needed to meet the requirements of this specification.
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10. All DDC devices installed under this specification shall communicate via CEA-709.1B. The
control system shall be installed such that a SNVT output from any node on the network can be bound to any other node in the domain.
11. All controllers shall be of application specific and configurable type. No custom computer coding will be acceptable.
1.3 SUBMITTALS
A. DDC Contractor Design Drawings: DDC Contractor Design Drawings shall be submitted in hard
copy and on CDROM in [VISIO] and [PDF] format.
B. Final As-Built Drawings: Final As-Built Drawings shall be submitted in hard copy and on CDROM in [VISIO] and [PDF] format.
C. Product Data: Manufacturer's Catalog Data, product specific catalog cuts shall be submitted for
each product provided under this specification.
D. Programming Software: All hardware shall be configured via graphical free configurable software.
E. APB/XFB and XIF files: External interface files (XIF files) and Application (APB/XFB files)
shall be submitted as a technical data package for each model of DDC Hardware provided under this specification. All files shall be submitted on CD-ROM.
F. Final LNS Database: Two copies of the fully commissioned, valid as-built LNS Database for the
complete control network provided under this specification shall be submitted on CD-ROM. Each copy shall be clearly marked identifying it as the LNS Database for the work covered under this specification and with the date of the most recent database modification. The submitted LNS Database shall consist of the entire folder structure of the LNS database (e.g. c:\Lm\DB\{database name}.
G. LNS Plug-in: A LNS-Plugin for Application-Specific and Configurable Controllers shall be
submitted as a Technical Data Package. LNS Plug-ins distributed under a license shall be licensed to the project site. Plug-ins shall be submitted on CD-ROM. PDF copy manuals, if available, shall be submitted for each plug-in provided.
1.4 OPERATION AND MAINTENANCE (O&M) INSTRUCTIONS
A. The HVAC control System Operation and Maintenance Instructions shall include:
1. OPERATION AND MAINTENANCE DATA for each piece of control equipment. 2. Procedures for the HVAC system start-up, operation and shut-down including the
manufacturer's supplied procedures for each piece of equipment, and procedures for the overall HVAC system.
3. As-built HVAC control system detail drawings formatted as specified. 4. A list of the configuration settings for all devices. 5. Routine maintenance checklist. The routine maintenance checklist shall be arranged in a
columnar format. The first column shall list all installed devices, the second column shall state the maintenance activity or state no maintenance required, the third column shall state
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the frequency of the maintenance activity, and the fourth column for additional comments or
reference. 6. Qualified service organization list. 7. Start-Up and Start-Up Testing Report.
1.5 SURGE PROTECTION
A. Power-Line Surge Protection
1. Equipment connected to ac circuits shall be protected against or withstand power-line surges. Equipment protection shall meet the requirements of IEEE C62.41. Fuses shall not be used for surge protection.
B. Surge Protection for Transmitter and Control Wiring: DDC hardware shall be protected against or
withstand surges induced on control and transmitter wiring installed outdoors and as shown. The equipment protection shall be protected against the following two waveforms: 1. A waveform with a 10-microsecond rise time, a 1,000-microsecond decay time and a peak
current of 60 amps. 2. A waveform with an 8-microsecond rise time, a 20-microsecond decay time and a peak
current of 500 amperes. 1.6 INPUT MEASUREMENT ACCURACY
A. Sensors, transmitters and DDC Hardware shall be selected, installed and configured such that the
maximum error of the measured value at the SNVT output of the DDC hardware is less than 105 percent of the maximum allowable error specified for the sensor or instrumentation.
PART 2 PRODUCTS
2.1 EQUIPMENT
A. General Requirements
1. Units of the same type of equipment shall be products of a single manufacturer. Each major component of equipment shall have the manufacturer's name and address, and the model and serial number in a conspicuous place. Materials and equipment shall be standard products of a manufacturer regularly engaged in the manufacturing of these and similar products. The standard products shall have been in a satisfactory commercial or industrial use for two years prior to use on this project.
2. The two year use shall include applications of equipment and materials under similar circumstances and of similar size. DDC Hardware not meeting the two-year field service requirement shall be acceptable provided it has been successfully used by the Contractor in a minimum of two previous projects. The equipment items shall be supported by a service organization. Items of the same type and purpose shall be identical, including equipment, assemblies, parts and components. Manufacturer's catalog data sheets documenting compliance with product specifications shall be submitted as specified for each product installed under this specification.
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2.2 NETWORK HARDWARE
A. CEA-709.1B Network Routers: CEA-709.1B Routers (including routers configured as repeaters)
shall meet the requirements of CEA-709.1B and shall provide connection between two or more CEA-709.3 TP/FT-10 channels or between two or more CEA-709.3 TP/FT-10 channels and a TP/XF-1250 channel. An ENA Enterprise Network Appliance may be used as a router when enterprise architecture is implemented.
B. Gateways: Gateways shall perform bi-directional protocol translation from one non-CEA-709.1B
protocol to CEA-709.1B. Gateways shall incorporate a network connection to a TP/FT-10 network in accordance with CEA-709.3 and a connection for a non-CEA-709.1B network.
C. CEA-709.1B to IP Router: CEA-709.1B to IP Routers shall perform layer 3 routing of CEA-
709.1B packets over an IP network in accordance with CEA-852-A. The router shall provide the appropriate connection to the IP network and connections to the CEA-709.3 TP/FT-10 or TP/XF- 1250 network. CEA-709.1B to IP Routers shall support the Dynamic Host Configuration Protocol (DHCP; RFC 2131 for IP configuration and the use of an CEA-852-A Configuration Server (for CEA-852-A configuration), but shall not rely on these services for configuration. CEA-709.1B to IP Routers shall be capable of manual configuration via a console RS-232 port.
2.3 WIRE AND CABLE
A. All wire and cable shall meet the requirements of NFPA 70 and NFPA 90A in addition to the
requirements of this specification.
B. Control Network Wiring Control network wiring shall be twisted pair in accordance with CEA- 709.3 and Echelon Wiring Guidelines level IV echelon wire.
C. Control Wiring for Binary Signals shall be 18 AWG copper and shall be rated for 300-volt
service and meet Division 26 specifications.
D. Control Wiring for 120-Volt Circuits shall be 18 AWG or thicker stranded copper and shall be rated for 600-volt service and meet Division 26 specifications.
E. Control Wiring for Analog Signals shall be 18 AWG, copper, single- or multiple-twisted,
minimum 50 mm 2 inch lay of twist, 100% shielded pairs, and shall have a 300-volt insulation. Cables shall have an overall aluminum-polyester or tinned-copper cable-shield tape, overall tinned-copper cable drain wire, and overall cable insulation.
2.4 DIRECT DIGITAL CONTROL (DDC) HARDWARE
A. General Requirements: All DDC Hardware shall meet the following requirements:
1. It shall incorporate a "service pin" which, when pressed will cause the DDC Hardware to broadcast its 48-bit NodeID and its ProgramID over the network. The service pin shall be distinguishable and accessible.
2. It shall incorporate a light to indicate the device is receiving power. 3. It shall incorporate a TP/FT-10 transceiver in accordance with CEA-709.3 and connections
for TP/FT-10 control network wiring. 4. It shall communicate on the network using only the CEA-709.1B protocol.
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5. It shall be capable of having network communications configured via LNS. 6. Each controller shall have at minimum 10 PID loops for control of functions such as cooling,
heating, fan speed, terminal load, etc. 7. LonMark external interface files (XIF files), as defined in the LonMark XIF Guide, shall be
submitted for each type of DDC Hardware. 8. Application programs and configuration settings shall be stored in a manner such that a loss
of power does not result in a loss of the application program or configuration settings: a. Loss of power shall never result in the loss of application programs, regardless of the
length of time power is lost (i.e. application programs shall be stored in non-volatile memory).
b. Loss of power shall never result in the loss of configuration settings. 9. It shall have all functionality specified and required to support the application (Sequence of
Operation or portion thereof) in which itis used, including but not limited to: a. It shall provide input and output SNVTs as specified, as shown on the Points Schedule,
and as otherwise required to support the sequence and application in which it is used. All SNVTs shall have meaningful names identifying the value represented by the SNVT. Unless a SNVT of an appropriate engineering type is not available, all network variables shall be of a standard network variable type with engineering units appropriate to the value the variable represents. (2) It shall be configurable via standard configuration properties (SCPTs) as defined in the LonMark SCPT List, user-defined configuration properties (UCPTs), network configuration inputs (ncis) of a SNVT type as defined in the LonMark SNVT List, network configuration inputs (ncis) of a user defined network variable type, or hardware settings on the controller itself for all settings and parameters used by the application in which it is used.
10. It shall be based on FT-5000 second generation or FT-6050 third generation chips. 11. In addition to these general requirements and the DDC Hardware Input-Output (I/O)
Function requirements, all DDC Hardware shall meet the requirements of either a Local Display Panel (LDP), or Application Specific Requirement (ASC). All DDC Hardware shall have their DDC Hardware Type identified in the Manufacturer's Catalog Data submittal. Where a single device meets the requirements of multiple types, select a single type for that specific device based on it's use. One model of DDC hardware may be submitted as different DDC Hardware types when used in multiple applications. a. The user interface on all DDC Hardware shall be password protected against changes.
B. Hardware Input-Output (I/O) Functions: DDC Hardware incorporating hardware input-output
(I/O) functions shall meet the following requirements: 1. Analog Inputs: DDC Hardware analog inputs (AIs) shall perform analog to digital (A-to-D)
conversion with a minimum resolution of 12 bits or better as needed to meet the accuracy requirements specified in paragraph INPUT MEASUREMENT ACCURACY. Signal conditioning including transient rejection shall be provided for each analog input. Analog inputs shall be capable of being individually calibrated for zero and span. Analog inputs shall be universal and accept 0-10 Vdc, 4-20mA, and resistive signals. The input type selection shall be done in firmware, no jumpers are allowed. AIs shall have software override capability to force read value to a fixed value until the override is removed by operator command.
2. Analog Outputs: DDC Hardware analog outputs (AOs) shall perform digital to analog (D-to- A) conversion with a minimum resolution of 8 bits or better, and output a signal with a range of 0-12 Vdc. Analog outputs shall be capable of being individually calibrated for zero and span. Analog outputs shall be at minimum capable of driving 30mA loads and be protected
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by auto-reset fuse. AOs shall have software override capability to force output signal to a fixed value until the override is removed by operator command. This manual override shall persist over power outages.
3. Binary Inputs: DDC Hardware binary inputs (BIs) shall accept contact closures and shall ignore transients of less than 5 milli-second duration. BIs shall have software override capability to force read value to a fixed value until the override is removed by the operator.
4. Binary Outputs: DDC Hardware binary outputs (BOs) shall provide relay contact closures or triac outputs for momentary and maintained operation of output devices. BOs shall have software override capability to force output signal to a fixed value until the override is removed by operator command. This override shall persist over power outages. a. Relay Contact Closures: Closures shall have a minimum duration of 0.1 second. Relays
shall provide at least 180V of isolation. Electromagnetic interference suppression shall be provided on all output lines to limit transients to non-damaging levels. Minimum contact rating shall be one ampere at 24 Vac.
b. Triac outputs: Triac outputs shall provide at least 300 V of isolation. Minimum contact rating shall be one ampere at 24 Vac. Triac outputs shall have a common exposed to allow for separate power to the controller and separate AC switched circuit through the triac. Triacs shall have software override capability to force output signal to a fixed value until the override is removed by operator command. This override shall persist over power outages.
5. Pulse Accumulator: DDC Hardware pulse accumulators shall have the same characteristics as the BI. In addition, a buffer shall be provided to totalize pulses. The pulse accumulator shall accept rates of at least 200 pulses per second. The totalized value shall be reset to zero upon operator's command and allow a minimum count of 4.2billion.
C. Application Specific Controller (ASC): Application Specific Controllers (ASCs) have a fixed
factory-installed application program (i.e. ProgramID) with configurable settings and do not have the ability to be programmed for custom applications. ASCs shall meet the following requirements in addition to the General DDC Hardware and DDC Hardware Input-Output (I/O) 1. ASCs shall comply with LonMark Functional Profiles. 2. Unless otherwise approved, all necessary Configuration Properties and network
configuration inputs (ncis) for the sequence and application in which the ASC is used shall be fully configurable through an LNS plug-in. This plug-in shall be submitted as specified for each type of ASC (manufacturer and model). (Note: configuration accomplished via hardware settings does not require configuration via plug-in). Configuration plug-in shall be capable of configuring, commissioning, and replacing the devices, and binding variables. Configuration plug-in shall allow for ASC configuration backup and restore by saving changes to LNS database and external XML file.
3. ASCs shall exposé all unused physical I/O to the network for use by other network devices. I.e. extra output could be used by other controller to control a load.
4. ASCs may include an integral or tethered Local Display Panel. 5. ASC shall provide 20VDC power for loop-powered 4-20mA sensors. 6. ASC shall allow for custom names of its physical I/O. 7. ASC shall implement changeable variable types for its physical inputs for compatibility with
other devices. 8. ASC shall accept daughter expansion board for additional functionality such as differential
pressure sensor, communication cards for wireless, etc.
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D. Enterprise Network Appliance (ENA): Each ENA shall have trending, alarming, scheduling, and
web-hosting functionality built in. Enterprise scale networks shall be capable of incorporating a minimum of 300 ENAs. Enterprise front-end links all ENAs into one seamless network, with the following features: 1. Single log-in provides access to all ENAs 2. ENAs automatically submit alarms and trend data to enterprise server for seamless viewing
and distribution. 3. MS SQL database for large trend storage. 4. MS IIS for unlimited hosting of web pages 5. Limit number of devices each ENA servers to a number that permits top network. ENA shall
have a minimum of 60Gb of non-volatile memory for trend and alarm storage. ENA shall have a minimum of 4GB of RAM. The ENA shall provide a direct driver to LNS database without the need of importing the LNS database into a proprietary format. A copy of the LNS database shall be stored at the panel. The panel shall be upgradeable to provide protocol drivers to other networks besides LonWorks. The panel shall be capable of supporting at minimum of 5,000 data points and 5,000 web pages.
E. Local Display Panel (LDP)
1. The Local Display Panels (LDPs) shall be an ENA with at minimum of 15in touch-screen display attached, and shall provide display and override capability of SNVT inputs and SNVT outputs as shown on the Points Schedule and as specified. The adjustment of SNVTs shall be password protected. LDP shall provide local trending capability for minimum 1000 data points stored at the rate of minimum 15 minutes and data retention of 10 years. LDP shall make all local graphical screens available automatically for access via a browser on the TCP network without the need for reprogramming them or creating a duplicate copy.
2.5 BUILDING CONTROL NETWORK (BCN)
A. Provide one or more Building Control Networks (BCNs) as required to connect all DDC
hardware to a Building Control Network and to meet bandwidth requirements as specified. This requirement may result in multiple BCNs being installed, and unless otherwise specified or necessary to provide required functionality these BCNs may remain separate. Each building control network consists of one or more channels, one of which is the BCN backbone.
B. Contractor shall segment the network & provide sufficient ENAs to provide satisfactory network
performance (defined as follows): 1. Summary web pages with minimum of 200 data points shall upload & display all data within
5 seconds.
C. Building Control Network (BCN) Channel 1. Each BCN channel shall be a TP/FT-10 channel in doubly terminated bus topology in
accordance with CEA-709.3. 2. Each BCN channel shall contain no more than 2/3 the maximum number of devices
permitted by CEA-709.3. 3. Each BCN channel shall contain no more than 2/3 the maximum number of devices
permitted by the manufacturer of the device transceivers. When more than one type of transceiver is used on the same channel the channel shall contain no more than 2/3 of the maximum devices for the transceiver with the lowest maximum.
4. Physical layer repeaters shall not be used.
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D. Building Control Network (BCN) Backbone: Each Building Control Network shall have a single
BCN Backbone meeting the following requirements: 1. The BCN Backbone shall meet all requirements of a BCN channel except as specified here. 2. When a BCN consist of only a single channel, that channel shall be the Backbone. 3. When a BCN consists of multiple channels, one channel shall be the BCN Backbone, and
this channel may be either TP/FT-10 in accordance with the LonMark Interoperability Guide. The BCN Backbone shall have no devices except CEA-709.1B Routers or ENAs connected to it. DDC Hardware shall not be connected to the BCN Backbone when more than one channel is provided.
E. Building Control Network (BCN) Installation: Each building control network shall meet the
following requirements: 1. All DDC Hardware shall be connected to a BCN Channel. 2. No DDC Hardware shall have more than two CEA-709.1B Router between it and a BCN
Backbone. 3. Each BCN Backbone shall be available at the Building Point of Connection (BPOC)
location [as shown][ ]. When the BPOC location is a room number, provide sufficient additional backbone media to ensure that the BCN Backbone can be extended to any location in the room.][Provide a CEA-709.1B to IP Router [in an enclosure][in a lockable enclosure] at the BPOC Location [as shown][ ] and connect the BCN Backbone to it. Do not connect the CEA-709.1B to IP Router to an IP network.
4. The peak expected bandwidth usage for each and every channel shall be less than 70%, including device-to-device traffic and traffic to the Utility Monitoring and Control System (UMCS) as shown on the Points Schedule. Note that all network traffic to the UMCS is present on the BCN Backbone.
5. The BCN's backbone shall be tagged and labeled at the BPOC location with the expected bandwidth usage and the bandwidth usage measured during the PVT.
6. Where multiple pieces of DDC Hardware are used to execute one sequence all DDC Hardware executing that sequence shall be on a [dedicated ]single channel.
2.6 DDC HARDWARE
A. DDC hardware shall not be connected to a BCN Backbone if that building control network has
more than one channel. Except for DDC Hardware in suspended ceilings, install all DDC Hardware in an enclosure. All DDCHardware shall be configured and commissioned on the Building Control Network via LNS using an LNS-based Network Configuration Tool. All Controllers shall be Application Specific Controllers.
B. Local Display Panels: Local Display Panels shall be provided [one in each building up to 100k
sqft. and minimum of two in larger buildings]. Locate LDPs in mechanical room closest to the equipment providing information displayed by the LDP.] The panel shall have a build-in color touch screen of minimum size 15inch (diagonal). The panel shall provide full graphical representation of the facility including color floor plans and mechanical equipment. Each graphical screen shall consist of tree-style navigation menu, interactive data points showing dynamic information and background graphics. All screens shall be accessible at the local touch screen and via a remote browser. The panel shall have a LonWorks, and Ethernet network interfaces. The panel shall provide the following additional functionality: 1. Scheduling including regular, holiday and exception schedules. 2. Alarming including notification capability to smart phones, and e-mail.
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3. Trending including storage sufficient to hold trend data for a minimum of 10 years for a
minimum of 1000 points at 15 minute interval.
C. Configurable AHU, RTU, HPU, FCU controllers all air handler / roof top unit controllers shall: Be 100% configurable with zero custom computer code required. 1. Have an automated zone binding wizard to any available VAV/VVT zone on the BAS
network. 2. The following configurable features are mandatory: 3. Cooling and heating configurable features: 4. Staging strategies:
a. Incrementing b. Incrementing with rotation c. Step d. Step with rotation e. Parallel f. Parallel with rotation
5. Flexible from 1 to 6 stages 6. Supply temperature resets with either timed bump or linear methodologies. 7. Configurable reset action variables shall include the following choices:
a. Terminal load b. Space temperature c. Return temperature d. Outdoor temperature e. Space humidity f. Return humidity
8. Heat pump reversing valve enabled for cooling or heating 9. Ambient temperature compressor shutoff setpoint 10. Economizer damper control features:
a. Title 24 compliant CO2 control b. The following free cooling strategies: c. Outdoor temperature – dry bulb d. Return temperature – dry bulb e. Space temperature – dry bulb f. Outdoor enthalpy g. Flow control methodologies:
1) Damper position 2) Outside air flow 3) Mix box pressure
11. Supply fan configurable features: a. Modulating b. Digital c. Digital with control
12. Fan operation proof methodologies: a. Fan command b. Fan amps c. Fan switch d. Network command
13. Duct pressure a. Staging strategies:
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1) Incrementing 2) Incrementing with rotation 3) Step 4) Step with rotation 5) Parallel 6) Parallel with rotation
14. Fan pressure reset (for VFD motors) Staging options: 1 to 6 stage 15. Fan configurable features:
a. Fan speed options: 1) Speed tracking 2) Building pressure 3) Volumetric pressure
b. Fan proof options: 1) Fan command 2) Fan amps 3) Fan switch 4) Network command
16. Flexible staging options from 1 to 6 stages a. Incrementing b. Incrementing with rotation c. Step d. Step with rotation e. Parallel f. Parallel with rotation g. Flexible minimum on, off, and delay times h. Exhaust fan enable setpoint flexibility
D. All VAV controllers shall:
1. Be 100% configurable with zero custom computer code required. 2. Be fully configurable. 3. Have an automated binding capability to any available air handler unit on the BAS network. 4. The following configurable features are mandatory: 5. Selectable pre-configured library of the most prevalent VAVs in the market. 6. Optional VAV or VVT operation. 7. The flexible weighting of zones to control their importance in the AHU/VAV system for
cooling. 8. The flexible weighting of zones to control their importance in the AHU/VAV system for
heating. 9. Selectable VVT relief damper participation (for systems designed without bypass dampers). 10. VVT relief damper strategies for systems designed without bypass dampers). 11. Graphical box flow representation. 12. Optional built-in differential pressure sensor with 20 bit resolution. 13. Differential pressure high and low tubes shall be invertible via computer software. 14. Flexible staging configuration from 1 to 4 stages for both cooling and heating.
E. Overrides: Provide the capability to override points for all Application Specific Controllers as
specified and as shown on the Points Schedule using one of the following methods: 1. Override SNVT of Same SNVT Type method:
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a. Use this method for all setpoint overrides and for overrides of inputs and outputs
whenever practical. b. Provide a SNVT input to the DDC hardware containing the point to be overridden of
the same SNVT type as the point to be overridden. 2. Program and configure the DDC hardware such that:
a. If the value of the SNVT on the override input is the Invalid Value defined for that SNVT by the LonMark SNVT List, then the point is not overridden (its value is determined from the sequence).
b. If the value of the SNVT on the override input is not the Invalid Value defined for that SNVT by the LonMark SNVT List then set the value of the point to be overridden to the value of the SNVT on the override input.
3. Use this method for override of inputs and outputs when the "Override SNVT Shares SNVT Type" method is impractical.
4. Override method by use of plug-in graphical interface: a. Provide override capability for each physical input and output via the graphical plug-in
interface. This method requires that each point to be overridden has an Override Value SNVT of the same type and an associated flag which activates or deactivates the override. IO overrides must persist over power outages.
2.7 GATEWAYS
A. Gateways may be used for communication with non-CEA-709.1B control hardware subject to all
of the following limitations: 1. Each gateway shall communicate with and perform protocol translation for non-CEA-
709.1B control hardware controlling one and only one package unit. 2. Non-CEA-709.1B control hardware shall not be used for controlling built-up units. 3. Non-CEA-709.1B control hardware shall not perform system scheduling functions. 4. Non-CEA-709.1B network wiring shall be installed only to connect the gateway to the
package unit and shall not exceed 15 feet.
2.8 GRAPHICAL WEB-BASED FRONT-END
A. Functional description 1. The software shall provide main web page (map) as a starting point for navigation
throughout the facility. Next, the map shall link to a page with picture of a building and links to floor plans. Each floor plan shall be color coded and labeled to indicate room numbers, equipment numbers, room temperatures, sensor locations, and links to the underlying equipment detail pages. The links on floor plan graphics shall point to the equipment detail screens such us VAVs, Fan Coils, AHUs. A single click shall be required to penetrate graphic screens and drill down quickly to the wanted information. The web site navigation shall be supplemented with a tree (windows explorer like file/folder style) navigation structure. Software shall include intuitive tree-editor accessible via a web browser.
2. The equipment specific graphic screens shall display system schematic or a graphic as a static background and dynamic point information overlaid on the static graphic. The dynamic values shall refresh automatically on a preset interval without reloading the entire web page. The software shall include utilities to make graphics design possible right at the displayed page and with no need for switching to external editor. When used with typical equipment, the front-end shall produce equipment graphics automatically with no user intervention. Software shall include a Global Override feature for making global adjustments
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23 09 23 - 12 DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC
E. Us r access control. 1. The software shall allow for a detailed access control. Each user can be assigned levels of access such as read only, override, schedules, configuration, user management etc. Software
shall allow for user access control per area of the facility. For example user A shall have full access to all buildings, while user B shall have access only to the administration building. Access control based on access level only is not acceptable.
to the network. I.e. the operator shall be able to modify all temperature setpoints, or lock all valves to a position with minimal number of strokes and a single input value. Global report shall provide the operator a report by on-the-fly selecting required data points. The output of the global report utility shall be a snapshot of the network variable values in an MS Excel compatible format. Front-end shall not have back-door passwords or allow for a back-door access using hard-coded credentials.
B. Trending
1. The front-end shall display trend information by a web browser in a graphical format. Trend and report information shall be available on the web pages in graphical format. The software shall be capable of transmitting all trend, point value, reports, and current values via http, XML and web services. A direct ODBC driver shall be available for connecting the SQL database to other database aware applications. Trend data shall also be available in a tabular format for easy copy and paste to other applications such as Ms Excel. Trend storage shall be based on commercial SQL server. Administrative SQL Server passwords shall be turned over to the building owner. Sql Server shall allow for periodic password change. Amount of storage shall be limited by the hard drive space only and provide minimum capacity of 1000 points trended at 15 minutes interval and retained for 10 years. Trend engine shall implement data compression to minimize storage requirements.
C. Scheduling
1. System scheduler shall be accessed by a browser. The software shall provide schedule override capability for events not accounted for in the regular schedules. There shall be no limit in the software to number of schedules users can enter or number of points being schedules. The schedules shall be stored in the Front-End software database and synchronized down to LDP and ENA. In case of failure of the Front-End the LDP shall continue the scheduling functions. The front-end shall synchronize schedules with LDP and ENA every 5 minutes (adjustable). LDP and ENA shall synchronize schedules with devices every 5 minutes (adjustable).
D. Overrides via a remote browser
1. The software shall provide capability to override points or change set points with single click. All overrides shall be authenticated and prevent overrides placed without proper credentials.
e
2.9 ARCHITECTURE
A. Provide graphical front-end software with a direct LNS driver LNS 3.2.7 or latter LonWorks
networks. The front-end shall be capable of linking to a minimum of 300 ENAs. When used in Enterprise configuration the front-end shall provide seamless navigation to all ENAs, single user login, global scheduling, global alarm handling, global trend viewing, etc. ENAs shall be accessed either by touch-screen panels (LDP only) or on the web (ENA or LDP). A library of pre-
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23 09 23 - 13 DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC
programmed components shall be provided to simplify creation of animated graphics and placement of dynamic point values on the graphical screens. The graphic screen creation shall be accomplished by a drag and drop programming as opposed to line code programming. The line code programming shall be available for advanced design and shall support FLASH Action Script and C# languages.
B. The front-end software shall place no restriction on number of user accounts, and no restrictions
on connectivity to other database aware applications. The software shall use no hardware dongle to operate in a fully licensed mode. The software shall be capable of being backed up and restored by commercially available backup IT technologies. Summary web pages with minimum of 200 data points shall upload & display all data within 5 seconds. The software shall use MS SQL server as the storage database and IIS web server for hosting the web site and shall allow for system hardening. The software shall install on operating systems such as MS Windows 7 Ultimate, MS Windows Server 2012 or later. The software shall be compatible with and used in Cloud Environment running on virtual servers.
2.10 SENSORS
A. Temperature sensors shall be 10K Type II Thermistors.
B. All other sensors shall provide 4-20mA signal, unless unavailable with this signal standard.
PART 3 EXECUTION
3.1 EXAMINATION
A. Prior to starting work, carefully inspect installed work of other trades and verify that such work is
complete to the point where work of this Section may properly commence.
B. Notify the owners' representative in writing of conditions detrimental to the proper and timely completion of the work.
C. Do not begin work until all unsatisfactory conditions are resolved.
3.2 INSTALLATION (GENERAL)
A. Install in accordance with manufacturer's instructions.
B. Provide all miscellaneous devices, hardware, software, interconnections installation and
programming required to ensure a complete operating system in accordance with the sequences of operation and point schedules.
3.3 LOCATION AND INSTALLATION OF COMPONENTS
A. Locate and install components for easy accessibility; in general, mount 48 inches above floor
with minimum 3'-0" clear access space in front of units. Obtain approval on locations from owner’s representative prior to installation.
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B. All instruments, switches, transmitters, etc., shall be suitably wired and mounted to protect them
from vibration, moisture and high or low temperatures.
C. Identify all equipment and panels. Provide permanently mounted tags for all panels.
D. Provide stainless steel or brass thermowells suitable for respective application and for installation under other sections—sized to suit pipe diameter without restricting flow.
3.4 INTERLOCKING AND CONTROL WIRING
A. Provide all interlock and control wiring. All wiring shall be installed neatly and professionally, in
accordance with Specification Division 26.
B. Provide wiring as required by functions as specified and as recommended by equipment manufacturers, to serve specified control functions. Provide shielded low capacitance wire for all communications trunks.
C. Control wiring shall not be installed in power circuit raceways. Magnetic starters and disconnect
switches shall not be used as junction boxes. Provide auxiliary junction boxes as required. Coordinate location and arrangement of all control equipment with the owner's representative prior to rough-in.
D. Provide power for all control components from nearest electrical control panel or as indicated on
the electrical drawings—coordinate with electrical contractor.
E. All control wiring in the mechanical, electrical, telephone and boiler rooms to be installed in raceways. Plenum rated wire above ceiling is acceptable, where allowed by NEC code.
3.5 FIELD SERVICES
A. Prepare and start logic control system under provisions of this section.
B. Start-up and commission systems. Allow sufficient time for start-up and commissioning prior to
placing control systems in permanent operation.
C. Provide the capability for off-site monitoring at control contractor's local or main office. At a minimum, off-site facility shall be capable of system diagnostics and software download. Owner shall provide phone line for this service for 1 year or as specified.
D. Provide Owner's Representative with spare parts list. Identify equipment critical to maintaining
the integrity of the operating system. 3.6 AS BUILT DOCUMENTATION
A. After completion of the project, insert final approved shop drawings include the following
information: 1. An operator’s manual including detailed man-machine interface. 2. An operator’s reference table listing the addresses of all connected input points and output
points. Show settings where applicable.
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3. A programmer’s manual including all information necessary to perform the programming
function. 4. A language manual including a detailed description of the language used and all routines,
modules, etc., used by the system. 5. Flow charts of the software programs utilized in the system. 6. Complete program listing file, and parameter listing file for all programs.
B. Provide two (2) AutoCAD (latest version) CD and one (1) full size reproducible of each control
diagram and equipment schedule reflecting the “as-built” condition. Size shall be the same as the construction document drawings.
3.7 TRAINING
A. Provide application engineer to instruct owner in operation of systems and equipment.
B. Provide system operator’s training to include (but not limited to) such items as the following:
modification of data displays, alarm and status descriptors, requesting data, execution of commands and request of logs. Provide this training to a minimum of 3 persons.
C. Provide on-site training above as required, up to 24 hours as part of this contract.
3.8 DEMONSTRATION
A. Provide systems demonstration to satisfaction of Owner.
B. Upon completion of the installation, start up the system and perform all necessary testing,
debugging and calibration of each component in the entire system. Perform an acceptance test in the presence of the Owner’s Representative. When the system performance is deemed satisfactory in whole or in part of the by the Owner’s Representative, the part(s) of the system will be accepted.
C. Provide certificate stating that control system has been tested and adjusted for proper operation. D.
Final system acceptance shall be contingent upon completion of final review and correction of all deficiencies. Satisfactory completion of the operational tests which shall demonstrate compliance with all performance and requirements of the Contract Documents.
END OF SECTION
Chaffey College EMS Controls Replacement Rancho Cucamonga, CA CONDUCTORS AND CABLES
26 05 19 - 1 LOW-VOLTAGE ELECTRICAL POWER
SECTION 26 05 19 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES
PART 1 GENERAL
1.1 SUMMARY
A. Section includes building wire and cable; and wiring connectors and connections.
1.2 REFERENCES
A. International Electrical Testing Association:
1. NETA ATS - Acceptance Testing Specifications for Electrical Power Distribution Equipment and Systems.
B. National Fire Protection Association:
1. NFPA 70 - National Electrical Code. 2. NFPA 262 - Standard Method of Test for Flame Travel and Smoke of Wires and Cables for
Use in Air-Handling Spaces.
C. Underwriters Laboratories, Inc.: 1. UL 1277 - Standard for Safety for Electrical Power and Control Tray Cables with Optional
Optical-Fiber Members. 1.3 SYSTEM DESCRIPTION
A. Product Requirements: Provide products as follows:
1. Solid conductor for feeders and branch circuits 10 AWG and smaller. 2. Stranded conductors for control circuits. 3. Conductor not smaller than 12 AWG for power and lighting circuits. 4. Conductor not smaller than 14 AWG for control circuits. 5. 10 AWG conductors for 20 ampere, 120 volt branch circuits longer than 75 feet. 6. 10 AWG conductors for 20 ampere, 277 volt branch circuits longer than 200 feet.
B. Wiring Methods: Provide the following wiring methods:
1. Concealed Dry Interior Locations: Use only building wire , Type THHN/THWN insulation, in raceway.
2. Exposed Dry Interior Locations: Use only building wire , Type THHN/THWN insulation, in raceway.
3. Above Accessible Ceilings: Use only building wire , Type THHN/THWN insulation, in raceway.
4. Wet or Damp Interior Locations: Use only building wire , Type THHN/THWN insulation, in raceway.
5. Exterior Locations: Use only building wire , Type THHN/THWN or XHHW insulation, in raceway.
6. Underground Locations: Use only building wire , Type THHN/THWN or XHHW insulation, in raceway.
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26 05 19 - 2 LOW-VOLTAGE ELECTRICAL POWER
1.4 DESIGN REQUIREMENTS
A. Conductor sizes are based on copper.
1.5 SUBMITTALS
A. Section 01 33 00 - Submittal Procedures: Requirements for submittals.
B. Product Data: Submit for building wire and each cable assembly type.
C. Test Reports: Indicate procedures and values obtained.
1.6 CLOSEOUT SUBMITTALS
A. Project Record Documents: Record actual locations of components and circuits. 1.7 QUALIFICATIONS
A. Manufacturer: Company specializing in manufacturing products specified in this section with
minimum three years documented experience. 1.8 FIELD MEASUREMENTS
A. Verify field measurements are as indicated on Drawings.
1.9 COORDINATION
A. Where wire and cable destination is indicated and routing is not shown, determine routing and
lengths required.
B. Wire and cable routing indicated is approximate unless dimensioned. Refer to drawings for locations of equipment.
PART 2 PRODUCTS
2.1 BUILDING WIRE
A. Manufacturers: 1. Rome Cable. 2. General Cable Co. 3. Substitutions: Permitted.
B. Product Description: Single conductor insulated wire.
C. Conductor: Copper.
D. Insulation: NFPA 70; 600 volt rating Type THHN/THWN insulation for feeders and branch circuits.
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26 05 19 - 4 LOW-VOLTAGE ELECTRICAL POWER
C. Verify raceway installation is complete and supported.
3.2 PREPARATION
A. Completely and thoroughly swab raceway before installing wire.
3.3 EXISTING WORK
A. Remove exposed abandoned wire and cable, including abandoned wire and cable above
accessible ceiling finishes. Patch surfaces where removed cables pass through building finishes.
B. Disconnect abandoned circuits and remove circuit wire and cable. Remove abandoned boxes when wire and cable servicing boxes is abandoned and removed. Install blank cover for abandoned boxes not removed.
C. Provide access to existing wiring connections remaining active and requiring access. Modify
installation or install access panel.
D. Extend existing circuits using materials and methods compatible with existing electrical installations, or as specified.
E. Clean and repair existing wire and cable remaining or wire and cable to be reinstalled.
3.4 INSTALLATION
A. Route wire and cable to meet Project conditions.
B. Neatly train and lace wiring inside boxes, equipment, and panelboards.
C. Identify and color code wire and cable under provisions of Section 26 05 53. Identify each
conductor with its circuit number or other designation indicated.
D. Special Techniques--Building Wire in Raceway: 1. Pull conductors into raceway at same time. 2. Install building wire 4 AWG and larger with pulling equipment.
E. Special Techniques - Cable:
1. Protect exposed cable from damage. 2. Support cables above accessible ceiling, using spring metal clips or metal cable ties to
support cables from structure. Do not rest cable on ceiling panels. 3. Use suitable cable fittings and connectors.
F. Special Techniques - Wiring Connections:
1. Clean conductor surfaces before installing lugs and connectors. 2. Make splices, taps, and terminations to carry full ampacity of conductors with no perceptible
temperature rise. 3. Tape uninsulated conductors and connectors with electrical tape to 150 percent of insulation
rating of conductor. 4. Install split bolt connectors for copper conductor splices and taps, 6 AWG and larger.
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26 05 19 - 5 LOW-VOLTAGE ELECTRICAL POWER
5. Install solderless pressure connectors with insulating covers for copper conductor splices and
taps, 8 AWG and smaller. 6. Install insulated spring wire connectors with plastic caps for copper conductor splices and
taps, 10 AWG and smaller.
G. Install solid conductors for branch circuits 10 AWG and smaller. Install crimp on fork terminals for device terminations. Do not place bare stranded conductors directly under screws.
H. Install terminal lugs on ends of 600 volt wires unless lugs are furnished on connected device,
such as circuit breakers.
I. Size lugs in accordance with manufacturer’s recommendations terminating wire sizes. Install 2- hole type lugs to connect wires 4 AWG and larger to copper bus bars.
J. For terminal lugs fastened together such as on motors, transformers, and other apparatus, or when
space between studs is small enough that lugs can turn and touch each other, insulate for dielectric strength of 2-1/2 times normal potential of circuit.
3.5 WIRE COLOR
A. General: 1. For wire sizes 10 AWG and smaller, install wire colors in accordance with the following:
a. Black and red for single phase circuits at 120/240 volts. b. Black, red, and blue for circuits at 120/208 volts single or three phase. c. Orange, brown, and yellow for circuits at 277/480 volts single or three phase.
2. For wire sizes 8 AWG and larger, identify wire with colored tape at terminals, splices and boxes. Colors are as follows: a. Black and red for single phase circuits at 120/240 volts. b. Black, red, and blue for circuits at 120/208 volts single or three phase. c. Orange, brown, and yellow for circuits at 277/480 volts single or three phase.
B. Neutral Conductors: White. When two or more neutrals are located in one conduit, individually
identify each with proper circuit number.
C. Branch Circuit Conductors: Install three or four wire home runs with each phase uniquely color coded.
D. Feeder Circuit Conductors: Uniquely color code each phase.
E. Ground Conductors: 1. For 6 AWG and smaller: Green. 2. For 4 AWG and larger: Identify with green tape at both ends and visible points including
junction boxes. 3.6 FIELD QUALITY CONTROL
A. Inspect and test in accordance with NETA ATS, except Section 4.
B. Perform inspections and tests listed in NETA ATS, Section 7.3.1.
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END OF SECTION
Chaffey College EMS Controls Replacement Rancho Cucamonga, CA SYSTEMS
26 05 29 - 1 HANGERS AND SUPPORTS FOR ELECTRICAL
SECTION 26 05 29 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS
PART 1 GENERAL
1.1 SUMMARY
A. Section Includes:
1. Conduit supports. 2. Formed steel channel. 3. Spring steel clips. 4. Sleeves. 5. Mechanical sleeve seals. 6. Firestopping relating to electrical work. 7. Firestopping accessories. 8. Equipment bases and supports.
1.2 REFERENCES
A. ASTM International:
1. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
2. ASTM E119 - Standard Test Methods for Fire Tests of Building Construction and Materials. 3. ASTM E814 - Standard Test Method for Fire Tests of Through-Penetration Fire Stops. 4. ASTM E1966 - Standard Test Method for Fire-Resistive Joint Systems.
B. FM Global:
1. FM - Approval Guide, A Guide to Equipment, Materials & Services Approved By Factory Mutual Research For Property Conservation.
C. National Fire Protection Association:
1. NFPA 70 - National Electrical Code.
D. Underwriters Laboratories Inc.: 1. UL 263 - Fire Tests of Building Construction and Materials. 2. UL 723 - Tests for Surface Burning Characteristics of Building Materials. 3. UL 1479 - Fire Tests of Through-Penetration Firestops. 4. UL 2079 - Tests for Fire Resistance of Building Joint Systems. 5. UL - Fire Resistance Directory.
E. Intertek Testing Services (Warnock Hersey Listed):
1. WH - Certification Listings. 1.3 DEFINITIONS
A. Firestopping (Through-Penetration Protection System): Sealing or stuffing material or assembly
placed in spaces between and penetrations through building materials to arrest movement of fire, smoke, heat, and hot gases through fire rated construction.
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1.4 SYSTEM DESCRIPTION
A. Firestopping Materials: UL 1479 to achieve fire ratings as noted on Drawings for adjacent
construction, but not less than 1 hour fire rating.
B. Firestop interruptions to fire rated assemblies, materials, and components. 1.5 PERFORMANCE REQUIREMENTS
A. Firestopping: Conform to UL for fire resistance ratings and surface burning characteristics.
1.6 SUBMITTALS
A. Product Data:
1. Hangers and Supports: Submit manufacturers catalog data including load capacity. 2. Firestopping: Submit data on product characteristics, performance and limitation criteria.
B. Design Data: Indicate load carrying capacity of trapeze hangers and hangers and supports.
C. Manufacturer's Certificate: Certify products meet or exceed specified requirements.
1.7 QUALITY ASSURANCE
A. Through Penetration Firestopping of Fire Rated Assemblies: UL 1479 or ASTM E814 with 0.10 inch water gageminimum positive pressure differential to achieve fire F-Ratings and temperature T-Ratings, but not less than 1-hour. 1. Wall Penetrations: Fire F-Ratings, but not less than 1-hour. 2. Floor and Roof Penetrations: Fire F-Ratings and temperature T-Ratings, but not less than 1-
hour. a. Floor Penetrations Within Wall Cavities: T-Rating is not required.
B. Through Penetration Firestopping of Non-Fire Rated Floor and Roof Assemblies: Materials to
resist free passage of flame and products of combustion. 1. Noncombustible Penetrating Items: Noncombustible materials for penetrating items
connecting maximum of three stories. 2. Penetrating Items: Materials approved by authorities having jurisdiction for penetrating
items connecting maximum of two stories. 1.8 QUALIFICATIONS
A. Manufacturer: Company specializing in manufacturing Products specified in this section with
minimum three years experience.
B. Installer: Company specializing in performing work of this section. 1.9 DELIVERY, STORAGE, AND HANDLING
A. Accept materials on site in original factory packaging, labeled with manufacturer's identification.
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26 05 29 - 3 HANGERS AND SUPPORTS FOR ELECTRICAL
B. Protect from weather and construction traffic, dirt, water, chemical, and mechanical damage, by
storing in original packaging.
1.10 ENVIRONMENTAL REQUIREMENTS
A. Do not apply firestopping materials when temperature of substrate material and ambient air is below 60 degrees F
B. Maintain this minimum temperature before, during, and for minimum 3 days after installation of
firestopping materials.
C. Provide ventilation in areas to receive solvent cured materials.
PART 2 PRODUCTS
2.1 CONDUIT SUPPORTS
A. Hanger Rods: Threaded high tensile strength galvanized carbon steel with free running threads. B.
Beam Clamps: Malleable Iron, with tapered hole in base and back to accept either bolt or hanger rod. Set screw: hardened steel.
C. Conduit clamps for trapeze hangers: Galvanized steel, notched to fit trapeze with single bolt to
tighten.
D. Conduit clamps - general purpose: One hole malleable iron for surface mounted conduits.
E. Cable Ties: High strength nylon temperature rated to 185 degrees F Self locking.
2.2 FORMED STEEL CHANNEL
A. Product Description: Galvanized 12 gage thick steel. With holes 1-1/2 incheson center.
2.3 SPRING STEEL CLIPS
A. Product Description: Mounting hole and screw closure.
2.4 SLEEVES
A. Sleeves for Through Fire Rated and Fire Resistive Floors and Walls, and Fire Proofing: Prefabricated fire rated sleeves including seals, UL listed.
B. Fire-stopping Insulation: Glass fiber type, non-combustible.
2.5 MECHANICAL SLEEVE SEALS
A. Product Description: Modular mechanical type, consisting of interlocking synthetic rubber links
shaped to continuously fill annular space between object and sleeve, connected with bolts and
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2.6 FIRESTOPPING
A. Product Description: Different types of products by multiple manufacturers are acceptable as
required to meet specified system description and performance requirements; provide only one type for each similar application. 1. Silicone Firestopping Elastomeric Firestopping: Single component silicone elastomeric
with incombustible non-asbestos fibers. 4. Fiber Stuffing and Sealant Firestopping: Composite of mineral fiber stuffing insulation with
silicone elastomer for smoke stopping. 5. Mechanical Firestopping Device with Fillers: Mechanical device with incombustible fillers
and silicone elastomer, covered with sheet stainless steel jacket, joined with collars, penetration sealed with flanged stops.
6. Intumescent Firestopping: Intumescent putty compound which expands on exposure to surface heat gain.
7. Firestop Pillows: Formed mineral fiber pillows. 2.7 FIRESTOPPING ACCESSORIES
A. Primer: Type recommended by firestopping manufacturer for specific substrate surfaces and
suitable for required fire ratings.
B. Installation Accessories: Provide clips, collars, fasteners, temporary stops or dams, and other devices required to position and retain materials in place.
C. General:
1. Furnish UL listed products or products tested by independent testing laboratory. 2. Select products with rating not less than rating of wall or floor being penetrated.
D. Non-Rated Surfaces:
1. Stamped steel, chrome plated, hinged, split ring escutcheons or floor plates or ceiling plates for covering openings in occupied areas where conduit is exposed.
2. For exterior wall openings below grade, furnish modular mechanical type seal consisting of interlocking synthetic rubber links shaped to continuously fill annular space between conduit and cored opening or water-stop type wall sleeve.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify openings are ready to receive sleeves.
B. Verify openings are ready to receive firestopping.
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3.2 PREPARATION
A. Clean substrate surfaces of dirt, dust, grease, oil, loose material, or other matter affecting bond of
firestopping material.
B. Remove incompatible materials affecting bond.
C. Install backing materials to arrest liquid material leakage.
D. Obtain permission from before using powder-actuated anchors.
E. Do not drill or cut structural members.
3.3 INSTALLATION - HANGERS AND SUPPORTS
A. Anchors and Fasteners: 1. Concrete Structural Elements: Provide expansion anchors. 2. Steel Structural Elements: Provide beam clamps, spring steel clips, steel ramset fasteners,
and welded fasteners. 3. Concrete Surfaces: Provide self-drilling anchors and expansion anchors. 4. Hollow Masonry, Plaster, and Gypsum Board Partitions: Provide toggle bolts and hollow
wall fasteners. 5. Solid Masonry Walls: Provide expansion anchors. 6. Sheet Metal: Provide sheet metal screws. 7. Wood Elements: Provide wood screws.
B. Install conduit and raceway support and spacing in accordance with NEC.
C. Do not fasten supports to pipes, ducts, mechanical equipment, or conduit.
D. Install multiple conduit runs on common hangers.
E. Supports: 1. Fabricate supports from structural steel or formed steel channel. Install hexagon head bolts
to present neat appearance with adequate strength and rigidity. Install spring lock washers under nuts.
2. Install surface mounted cabinets and panelboards with minimum of four anchors. 3. In wet and damp locations install steel channel supports to stand cabinets and panelboards 1
inchoff wall. 4. Support vertical conduit at every floor.
3.4 INSTALLATION - FIRESTOPPING
A. Install material at fire rated construction perimeters and openings containing penetrating sleeves,
piping, ductwork, conduit and other items, requiring firestopping.
B. Apply primer where recommended by manufacturer for type of firestopping material and substrate involved, and as required for compliance with required fire ratings.
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C. Apply firestopping material in sufficient thickness to achieve required fire and smoke rating.
D. Place intumescent coating in sufficient coats to achieve rating required.
E. Fire Rated Surface: 1. Seal opening at floor, wall, partition, ceiling, and roof as follows:
a. Install sleeve through opening and extending beyond minimum of 1 inchon both sides of building element.
b. Size sleeve allowing minimum of 1 inchvoid between sleeve and building element. c. Pack void with backing material. d. Seal ends of sleeve with UL listed fire resistive silicone compound to meet fire rating of
structure penetrated. 2. Where conduit penetrates fire rated surface, install firestopping product in accordance with
manufacturer's instructions.
F. Non-Rated Surfaces: 1. Seal opening through non-fire rated wall, partition floor, ceiling, and roof opening as
follows: a. Install sleeve through opening and extending beyond minimum of 1 inchon both sides
of building element. b. Size sleeve allowing minimum of 1 inchvoid between sleeve and building element. c. Install type of firestopping material recommended by manufacturer.
2. Install escutcheons floor plates or ceiling plates where conduit, penetrates non-fire rated surfaces in occupied spaces. Occupied spaces include rooms with finished ceilings and where penetration occurs below finished ceiling.
3. Exterior wall openings below grade: Assemble rubber links of mechanical seal to size of conduit and tighten in place, in accordance with manufacturer's instructions.
3.5 INSTALLATION - EQUIPMENT BASES AND SUPPORTS
A. Provide housekeeping pads of concrete, minimum 3-1/2 inchesthick and extending 6
inchesbeyond supported equipment. Refer to Section 03 30 00.
B. Using templates furnished with equipment, install anchor bolts, and accessories for mounting and anchoring equipment.
C. Construct supports of formed steel channel. Brace and fasten with flanges bolted to structure.
3.6 INSTALLATION - SLEEVES
A. Exterior watertight entries: Seal with adjustable interlocking rubber links.
B. Conduit penetrations not required to be watertight: Sleeve and fill with silicon foam.
C. Set sleeves in position in forms. Provide reinforcing around sleeves.
D. Size sleeves large enough to allow for movement due to expansion and contraction. Provide for continuous insulation wrapping.
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26 05 29 - 7 HANGERS AND SUPPORTS FOR ELECTRICAL
E. Extend sleeves through floors 1 inchabove finished floor level. Caulk sleeves.
F. Where conduit or raceway penetrates floor, ceiling, or wall, close off space between conduit or
raceway and adjacent work with fire stopping insulation and caulk airtight. Provide close fitting metal collar or escutcheon covers at both sides of penetration.
G. Install plastic escutcheons at finished surfaces.
3.7 FIELD QUALITY CONTROL
A. Inspect installed firestopping for compliance with specifications.
3.8 CLEANING
A. Clean adjacent surfaces of firestopping materials.
3.9 PROTECTION OF FINISHED WORK
A. Protect adjacent surfaces from damage by material installation.
END OF SECTION
Chaffey College EMS Controls Replacement Rancho Cucamonga, CA SYSTEMS
26 05 33 - 1 RACEWAY AND BOXES FOR ELECTRICAL
SECTION 26 05 33 - RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS
PART 1 GENERAL
1.1 SUMMARY
A. Section includes conduit and tubing, surface raceways, wireways, outlet boxes, pull and junction
boxes, and handholes.
B. Related Sections: 1. Section 26 05 03 - Equipment Wiring Connections. 2. Section 26 05 26 - Grounding and Bonding for Electrical Systems. 3. Section 26 05 29 - Hangers and Supports for Electrical Systems. 4. Section 26 05 53 - Identification for Electrical Systems. 5. Section 26 27 26 - Wiring Devices.
1. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum). 2. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit and Cable
Assemblies. 3. NEMA OS 1 - Sheet Steel Outlet Boxes, Device Boxes, Covers, and Box Supports. 4. NEMA OS 2 - Nonmetallic Outlet Boxes, Device Boxes, Covers, and Box Supports. 5. NEMA RN 1 - Polyvinyl Chloride (PVC) Externally Coated Galvanized Rigid Steel Conduit
and Intermediate Metal Conduit. 6. NEMA TC 2 - Electrical Polyvinyl Chloride (PVC) Tubing and Conduit. 7. NEMA TC 3 - PVC Fittings for Use with Rigid PVC Conduit and Tubing.
1.3 SYSTEM DESCRIPTION
A. Raceway and boxes located as indicated on Drawings, and at other locations required for splices,
taps, wire pulling, equipment connections, and compliance with regulatory requirements. Raceway and boxes are shown in approximate locations unless dimensioned. Provide raceway to complete wiring system.
B. Underground More than 5 feetoutside Foundation Wall: Provide concrete encased, Schedule 40
nonmetallic conduit. Provide cast metal boxes or nonmetallic handhole.
C. Underground Within 5 feetfrom Foundation Wall: Provide rigid steel conduit or concrete encased, Schedule 40 nonmetallic conduit. Provide cast metal or nonmetallic boxes.
Chaffey College EMS Controls Replacement Rancho Cucamonga, CA SYSTEMS
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D. In or Under Slab on Grade: Provide rigid steel conduit ,intermediate metal conduit or concrete
encased Schedule 40 nonmetallic conduit. Provide cast metal boxes.
E. Outdoor Locations, Above Grade: Provide rigid steel elbows and conduit up to 10 feet above grade. Provide EMT (electrical metallic tubing) above 10 feet or where not subject to physical damage. Provide cast metal outlet, pull, and junction boxes.
F. In Slab Above Grade: Provide thickwall nonmetallic conduit. Provide cast metal boxes.
G. Wet and Damp Locations: Provide rigid steel, intermediate metal conduit, or electrical metallic
tubing. Provide cast metal outlet, junction, and pull boxes. Provide flush mounting outlet box in finished areas.
H. Concealed Dry Locations: Provide electrical metallic tubing. Provide sheet-metal boxes. Provide
flush mounting outlet box in finished areas. Provide hinged enclosure for large pull boxes.
I. Exposed Dry Locations: Provide rigid steel or electrical metallic tubing. Provide sheet-metal boxes. Provide flush mounting outlet box in finished areas. Provide hinged enclosure for large pull boxes.
1.4 DESIGN REQUIREMENTS
A. Minimum Raceway Size: 3/4 inchunless otherwise specified.
1.5 SUBMITTALS
A. Section 01 33 00 - Submittal Procedures: Submittal procedures.
B. Product Data: Submit for the following: 1. Flexible metal conduit. 2. Liquidtight flexible metal conduit. 3. Nonmetallic conduit. 4. Raceway fittings. 5. Conduit bodies. 6. Surface raceway. 7. Wireway. 8. Pull and junction boxes. 9. Handholes.
C. Manufacturer's Installation Instructions: Submit application conditions and limitations of use
stipulated by Product testing agency specified under Regulatory Requirements. Include instructions for storage, handling, protection, examination, preparation, and installation of Product.
1.6 CLOSEOUT SUBMITTALS
A. Project Record Documents:
1. Record actual routing of conduits larger than 2 inch trade size 2. Record actual locations and mounting heights of outlet, pull, and junction boxes.
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1.7 DELIVERY, STORAGE, AND HANDLING
A. Protect conduit from corrosion and entrance of debris by storing above grade. Provide appropriate
covering.
B. Protect PVC conduit from sunlight. 1.8 COORDINATION
A. Coordinate installation of outlet boxes for equipment connected under Section 26 05 03.
B. Coordinate mounting heights, orientation and locations of outlets mounted above counters,
benches, and backsplashes. PART 2 PRODUCTS
2.1 METAL CONDUIT
A. Rigid Steel Conduit: ANSI C80.1.
B. Fittings and Conduit Bodies: NEMA FB 1; material to match conduit all steel fittings.
2.2 FLEXIBLE METAL CONDUIT
A. Product Description: Interlocked steel construction.
B. Fittings: NEMA FB 1.
2.3 LIQUIDTIGHT FLEXIBLE METAL CONDUIT
A. Product Description: Interlocked steel construction with PVC jacket.
B. Fittings: NEMA FB 1.
2.4 ELECTRICAL METALLIC TUBING (EMT)
A. Product Description: ANSI C80.3; galvanized tubing.
B. Fittings and Conduit Bodies: NEMA FB 1; steel or malleable iron, compression set screw indenter type.
2.5 NONMETALLIC CONDUIT
A. Product Description: NEMA TC 2; Schedule 40 or 80 PVC as specified.
B. Fittings and Conduit Bodies: NEMA TC 3.
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2.6 OUTLET BOXES
A. Sheet Metal Outlet Boxes: NEMA OS 1, galvanized steel.
1. Luminaire and Equipment Supporting Boxes: Rated for weight of equipment supported; furnish 1/2 inchmale fixture studs where required.
2. Concrete Ceiling Boxes: Concrete type.
B. Nonmetallic Outlet Boxes: NEMA OS 2.
C. Cast Boxes: NEMA FB 1, Type FD, aluminum cast feralloy. Furnish gasketed cover by box manufacturer. Furnish threaded hubs.
2.7 PULL AND JUNCTION BOXES
A. Sheet Metal Boxes: NEMA OS 1, galvanized steel.
B. Surface Mounted Cast Metal Box: NEMA 250, Type 4, 4X, 6; flat-flanged, surface mounted
junction box: 1. Material: Galvanized cast iron Cast aluminum. 2. Cover: Furnish with ground flange, neoprene gasket, and stainless steel cover screws.
C. In-Ground Cast Metal Box: NEMA 250, Type 6, outside inside flanged, recessed cover box for
flush mounting: 1. Material: Galvanized cast iron Cast aluminum. 2. Cover: Smooth Nonskid cover with neoprene gasket and stainless steel cover screws. 3. Cover Legend: "ELECTRIC".
D. Fiberglass Concrete composite Handholes: Die-molded, glass-fiber concrete composite hand
holes: 1. Cable Entrance: Pre-cut 6 inch x 6 inchcable entrance at center bottom of each side. 2. Cover: Glass-fiber concrete composite, weatherproof cover with nonskid finish.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify outlet locations and routing and termination locations of raceway prior to rough-in.
3.2 INSTALLATION
A. Ground and bond raceway and boxes in accordance with Section 26 05 26.
B. Fasten raceway and box supports to structure and finishes in accordance with Section 26 05 29.
C. Identify raceway and boxes in accordance with Section 26 05 53.
D. Arrange raceway and boxes to maintain headroom and present neat appearance.
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3.3 INSTALLATION - RACEWAY
A. Raceway routing is shown in approximate locations unless dimensioned. Route to complete
wiring system.
B. Arrange raceway supports to prevent misalignment during wiring installation.
C. Support raceway using coated steel or malleable iron straps, lay-in adjustable hangers, clevis hangers, and split hangers.
D. Group related raceway; support using conduit rack. Construct rack using steel channel specified
in Section 26 05 29; provide space on each for 25 percent additional raceways.
E. Do not support raceway with wire or perforated pipe straps. Remove wire used for temporary supports
F. Do not attach raceway to ceiling support wires or other piping systems.
G. Construct wireway supports from steel channel specified in Section 26 05 29.
H. Route exposed raceway parallel and perpendicular to walls.
I. Route raceway installed above accessible ceilings parallel and perpendicular to walls.
J. Route conduit in and under slab from point-to-point.
K. Maximum Size Conduit in Slab Above Grade: 3/4 inch Do not cross conduits in slab larger than 1/2 inch
L. Maintain clearance between raceway and piping for maintenance purposes.
M. Maintain 12 inchclearance between raceway and surfaces with temperatures exceeding 104
degrees F
N. Cut conduit square using saw or pipe cutter; de-burr cut ends.
O. Bring conduit to shoulder of fittings; fasten securely.
P. Join nonmetallic conduit using cement as recommended by manufacturer. Wipe nonmetallic conduit dry and clean before joining. Apply full even coat of cement to entire area inserted in fitting. Allow joint to cure for minimum 20 minutes.
Q. Install conduit hubs or sealing locknuts to fasten conduit to sheet metal boxes in damp and wet
locations and to cast boxes.
R. Install no more than equivalent of three 90 degree bends between boxes. Install conduit bodies to make sharp changes in direction, as around beams. Install factory elbows for bends in metal conduit larger than 2 inchsize.
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S. Avoid moisture traps; install junction box with drain fitting at low points in conduit system.
T. Install fittings to accommodate expansion and deflection where raceway crosses seismic, control
and expansion joints.
U. Install suitable pull string or cord in each empty raceway except sleeves and nipples.
V. Install suitable caps to protect installed conduit against entrance of dirt and moisture.
W. Surface Raceway: Install flat-head screws, clips, and straps to fasten raceway channel to surfaces; mount plumb and level. Install insulating bushings and inserts at connections to outlets and corner fittings.
X. Close ends and unused openings in wireway.
3.4 INSTALLATION - BOXES
A. Install wall mounted boxes at elevations to accommodate mounting heights as indicated on
Drawings or specified in section for outlet device.
B. Adjust box location up to 10 feetprior to rough-in to accommodate intended purpose.
C. Orient boxes to accommodate wiring devices oriented as specified in Section 26 27 26.
D. Install pull boxes and junction boxes above accessible ceilings and in unfinished areas only.
E. In Accessible Ceiling Areas: Install outlet and junction boxes no more than 6 inchesfrom ceiling access panel or from removable recessed luminaire.
F. Locate flush mounting box in masonry wall to require cutting of masonry unit corner only.
Coordinate masonry cutting to achieve neat opening.
G. Do not install flush mounting box back-to-back in walls; install with minimum 6 inchesseparation. Install with minimum 24 inchesseparation in acoustic rated walls.
H. Secure flush mounting box to interior wall and partition studs. Accurately position to allow for
surface finish thickness.
I. Install stamped steel bridges to fasten flush mounting outlet box between studs.
J. Install flush mounting box without damaging wall insulation or reducing its effectiveness.
K. Install adjustable steel channel fasteners for hung ceiling outlet box.
L. Do not fasten boxes to ceiling support wires or other piping systems.
M. Support boxes independently of conduit.
N. Install gang box where more than one device is mounted together. Do not use sectional box.
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O. Install gang box with plaster ring for single device outlets.
3.5 INTERFACE WITH OTHER PRODUCTS
A. Install conduit to preserve fire resistance rating of partitions and other elements.
B. Route conduit through roof openings for piping and ductwork or through suitable roof jack with
pitch pocket. Coordinate location with roofing installation specified.
C. Locate outlet boxes to allow luminaires positioned as indicated on Drawings.
D. Align adjacent wall mounted outlet boxes for switches, thermostats, and similar devices. 3.6 ADJUSTING
A. Adjust flush-mounting outlets to make front flush with finished wall material.
B. Install knockout closures in unused openings in boxes.
3.7 CLEANING
A. Clean interior of boxes to remove dust, debris, and other material.
B. Clean exposed surfaces and restore finish.
END OF SECTION
Chaffey College EMS Controls Replacement Rancho Cucamonga, CA
26 27 16 - 1 ELECTRICAL CABINETS AND ENCLOSURES
SECTION 26 27 16 - ELECTRICAL CABINETS AND ENCLOSURES
1. Section 26 05 26 - Grounding and Bonding for Electrical Systems. 2. Section 26 05 29 - Hangers and Supports for Electrical Systems. 3. Section 26 05 33 - Raceway and Boxes for Electrical Systems.
1.2 REFERENCE STANDARDS
A. National Electrical Manufacturers Association:
1. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum). 2. NEMA ICS 4 - Industrial Control and Systems: Terminal Blocks.
1.3 SUBMITTALS
A. Product Data: Submit manufacturer's standard data for enclosures, cabinets, and terminal blocks.
B. Manufacturer's Instructions: Submit application conditions and limitations of use stipulated by product testing agency specified under Regulatory Requirements. Include instructions for storage, handling, protection, examination, preparation, and installation of product.
1.4 MAINTENANCE MATERIAL SUBMITTALS
A. Extra Stock Materials: 1. Furnish two of each key.
PART 2 PRODUCTS
2.1 HINGED COVER ENCLOSURES
A. Description: NEMA 250, Type 1 or 3R as indicated on drawings steel enclosure.
1. Covers: Continuous hinge, held closed by flush latch operable by key. 2. Furnish interior plywood panel for mounting terminal blocks and electrical components;
finish with white enamel. 3. Enclosure Finish: Manufacturer's standard enamel.
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26 27 16 - 2 ELECTRICAL CABINETS AND ENCLOSURES
2.2 TERMINAL BLOCKS
A. Description:
1. Terminal Blocks: NEMA ICS 4. 2. Power Terminals: Unit construction type with closed back and tubular pressure screw
connectors, rated 600 volts. 3. Signal and Control Terminals: Modular construction type, suitable for channel mounting,
with tubular pressure screw connectors, rated 300 volts. 4. Furnish ground bus terminal block, with each connector bonded to enclosure.
PART 3 EXECUTION
3.1 DEMOLITION
A. Remove abandoned cabinets and enclosures. Patch surfaces.
B. Maintain access to existing cabinets and enclosures and other installations remaining active and
requiring access. Modify installation or provide access panel.
C. Extend existing cabinets and enclosures using materials and methods as specified. 3.2 INSTALLATION
A. Install enclosures and boxes plumb. Anchor securely to wall and structural supports at each
corner.
B. Install cabinet fronts plumb. 3.3 CLEANING
A. Clean existing cabinets and enclosures to remain or to be reinstalled.
B. Clean electrical parts to remove conductive and harmful materials.