ITEM REPLACEMENT OF TRAFFIC MANAGEMENT CENTER VIDEO PROJECTION DISPLAY SYSTEM

Transcription

1 DESCRIPTION This work consists of replacement of the TMC (Traffic Management Center) Video Projection Display System (VPDS) in accordance with the contract documents and as directed by the Engineer. MATERIALS All material furnished shall be new, corrosion resistant and in strict accordance with all the details contained in the contract documents. The TMC VPDS shall be comprised of the following: BARCO cdg67 Display Module Remote Control System (RCS) comprised of the Argus controller with the latest version of the Apollo Wall Management Software for Windows 2000 The TMC VPDS shall use Digital Light Processing (DLP) technology and 100% digital processing technology. Rear screen display system technology shall be used. The TMC VPDS shall meet the following requirements: BARCO cdg67 Display Module a. The display module shall consist of six (6) mm (67 ) diagonal rear projection display cubes stacked in a three (3) wide by two (2) high matrix. The display module shall fit into the existing wall opening as shown in the contract documents. Separation between any display modules shall not exceed 0.85 mm. The depth for each cube shall not exceed 942mm. b. Each display module shall consist of a steel-constructed fully enclosed light tight cabinet, first surface mirror, black bead screen and modular DLP projection engine. c. Each display module s cabinet shall be of all-steel construction with dedicated removable panels for access to the lamp and projection engine. d. Each display module shall be equipped with a positive pressure air system to prevent dust from entering the DLP light engine. e. The six (6) display modules shall be mounted on a fixed steel frame support. The support shall be rear accessible to the module s power supply, air filter, and lamp for maintenance. f. Each display module s projection engine shall be modular in design, allowing sub components of the projection engine to be replaced without upsetting the mounting or adjustments of the other components. This includes a separate fan assembly, separate low voltage projection light engine, and a separate high voltage illumination unit with dual lamps and power supplies. g. Each display module s projection engine shall include a separate illumination unit that allows simple replacement of the power supplies, lamp ballasts, and lamp modules. Page 1 of 13 8/24/2005

2 h. Each display module shall be equipped with an optical equalization feature to automatically allow the brightness level of each screen to be adjustable without reducing the voltage to each lamp thus preventing a loss of contrast ratio and color saturation. Optical equalization shall result in equal brightness uniformity across all cubes, with no checkerboard effect. i. Each display module s projection engine shall be designed to operate using one (1)-120W lamp with a 6000-hour Mean Time Between Failure (MTBF). A motorized redundant lamp system shall allow a second lamp (included with system) to travel into place if the primary lamp fails. j. Each display module shall be equipped with a motorized lamp changer system to provide redundancy due to a premature failure of the primary lamp. In Cold Standby Mode, upon failure of the primary lamp, a sensor shall instruct the secondary lamp to travel into place and strike within 1 second, providing image within 30 seconds and full color spectrum within 1 minute. In Hot Standby Mode the secondary lamp shall remain on in its chamber, providing an instantaneous full spectrum image within 1 second of the primary lamp s premature failure. k. Each display module s projection engine shall be equipped with field-serviceable 5-segment color wheel cartridge optimized for color uniformity that can be replaced within 30 minutes using simple tools. l. The screen technology employed within the display module shall be high contrast utilizing Black Bead technology. Additionally the display module screen shall employ a 35 horizontal and 35 vertical half-gain angle with viewing cones of approximately 160 horizontal and 160 vertical. m. Each display module s black bead screen shall have a 4:3 aspect ratio. n. Each display module shall include a single chip DLP light engine with native 1024H x 768V XGA resolution. o. Each display module shall have a light output of 550 lumens. p. Each display module shall have a contrast ratio of 1000:1. q. Each display module shall maintain at least 95% brightness uniformity. r. The projection engines shall utilize Digital Video Interface (DVI) to connect to the display wall controller. s. Mirrors shall be as small as possible for lowest distortion and mounted vertically to prevent dust from accumulating. t. Display of real time graphical information to provide noise-free map text labels with no analog artifacts. u. All power and digital signal cables shall be terminated in standard connectors to facilitate ease of installation and removal. v. All settings shall be stored in non-volatile memory. Page 2 of 13 8/24/2005

3 Remote Control Subsystem: The Remote Control Subsystem (RCS) shall be comprised of control software (Apollo) and microprocessor-based hardware (Argus). The RCS shall meet the following requirements: a. The RCS shall provide full control and management of the TMC VPDS. It shall also receive all the analog video inputs, RGB inputs, and computer graphics that are available in the TMC LAN. Through the RCS, an operator shall access all the functionality of the TMC VPDS and send images to the display module and manipulate them by moving and resizing windows. b. The RCS shall provide full control of the TMC VPDS through the Video Control Software (VCS) that the System Integration Contractor shall provide under this contract. All required Apollo client and server licenses shall be provided. The RCS shall provide through each of the three (3) workstations (as shown in the contract documents) complete access, management, configuration and control of the TMC VPDS. c. The RCS shall have an Application Programmer s Interface (API) that is the Simple Object Access Protocol (SOAP) standard. This interface shall allow third-party software to control and access the RCS features to query the available layouts, query current wall states, switch layouts, switch current window contents to available inputs (on the input cards), query overall system status, launch applications, and perform other maintenance or configuration functions. d. The RCS shall allow any operator to display the operator s workstation monitor screen on the TMC VPDS. e. The computer processor component shall be the latest state of the art commercially available Pentium based with the highest available RAM, removable 80 GB hard drive, 10/100/1000 Base T redundant network card, hot swap power supply, fastest available CD ROM, USB Port, keyboard and mouse. It shall be designed to accept standard PC technologies and allow upgrades with off-the-shelf components. The computer processor shall operate under Windows 2000 Operating System. f. The RCS shall allow the creation of twenty four (24) independent scalable video windows for the TMC VPDS that shall be sized and positioned on the display wall without regard to individual screen seams. All video window scaling shall not have an adverse affect on the performance of applications running on the display module. All video windows shall be able to be scaled to a size that shall fill the entire display module. All video windows must be displayable within the boundary of another RGB or video window or Picture-In-Picture (PIP). g. The RCS shall be capable of receiving twenty four (24) analog video inputs. These inputs shall be made available to the System Integration Contractor. Coaxial cables shall be provided by the JTMC Electrical Contractor for the System Integration Contractor to directly connect them to the video input cards of the RCS. h. The RCS shall have the capability to receive six (6) RGB inputs to create six (6) independent scalable RGB windows that shall be sized and positioned on the display wall. All RGB window scaling shall not have an adverse affect on the performance of applications running on the display wall. All RGB windows shall be able to be scaled to a size that shall fill the entire display wall. All RGB windows must be displayable within the boundary of another RGB or video window or PIP. Page 3 of 13 8/24/2005

4 i. The RCS shall allow any video, RGB or computer graphics to be displayed on scalable windows including a full screen (across the entire display module array). j. Video and RGB scaling shall not affect the performance of applications running simultaneously in the background on the TMC VPDS. k. The RCS shall have programmable multiple user access level. As a minimum, the user level shall provide full access and control only access. This feature can be provided as part of the VCS. l. The RCS shall also have three (3) Video-Over-IP decoder cards. Each decoder card shall be able to decode MPEG 1, MPEG 2, MPEG 4 or MJPEG 2000 over IP. Each card shall be capable of accepting up to four (4) compressed video streams simultaneously in MPEG-1 (ISO 11172) and MPEG-2 (ISO13818), using TCP/UDP/RTP over IP and support multicasting (IGMP v2). The UDP Port shall differentiate each stream into the card. The card shall be capable of supporting a total of 40Mbps of simultaneous streaming traffic. This 40Mbps shall be spread across the four (4) streams in any combination (e.g. four [4] streams at 7Mbps each or 1 stream at 2 Mpbs and three [3] streams of 7 Mbps or any combination thereof) so long as the total bandwidth per card does not exceed 40Mbps and no one stream exceeds 10Mbps. For best picture quality and performance in MPEG-2, the digital video stream shall be at least 1.5Mbps. The card shall be field upgradeable to accept MPEG-4 (ISO 14496) and MJPEG compression schemes for streaming video when the firmware becomes available. m. The RCS shall be connected to the TMC LAN. Connection and LAN cabling shall be provided by others. Network card and network software shall be provided as part of the RCS. CONSTRUCTION DETAILS The TMC is a fully functioning facility. Therefore, all removal and installation work shall be performed from 7PM 4 AM on weekdays. The System Integration Contractor shall remove the existing TMC video projection wall that is comprised of: Six (6) 1702mm (67 ) diagonal fresnel-lenticular screens configured two (2) units high by three (3) units across. Steel framing Six (6) rear LCD projectors Six (6) mirror assemblies The System Integration Contractor shall notify the Engineer ten (10) business days before removing the units. The System Integration Contractor shall reuse as much of the existing cables as possible. Additional cabling for the new unit shall be provided under this bid item. All work shall be coordinated with the Engineer. Page 4 of 13 8/24/2005

5 Removal of the existing units shall only be permitted when the new units are available for installation. Because of limited space in the TMC, no staging area shall be provided for the new units. Therefore, the new units shall be delivered on site the same day they are scheduled for installation. The System Integration Contractor shall disassemble the existing screens, projectors, steel frame and mirrors, wipe all pieces of equipment clean and free of dust and secure them in separate boxes for storage. Each box shall be wrapped in plastic and labeled identifying its content. The System Integration Contractor shall deliver them to the Engineer at a location no more than 20 kilometers away from the TMC. The exact location of the site shall be provided to the System Integration Contractor ten (10) days prior to the removal of the existing units. Each box shall be small enough such that it can be moved out of the existing TMC without requiring any alteration to the existing walls or doors or moving any of the existing piece of electronic equipment. The box shall be light enough that it can be moved by a hand truck or a dolley. The System Integration Contractor shall inventory all pieces of equipment to be boxed and submit the list to the Engineer. Coaxial and RGB cables for analog video and RGB inputs shall be installed by NYCDOT personnel. These cables shall be made available at the base of the new TMC VPDS where the RCS equipment shall be installed. The System Integration Contractor shall connect them to the video and RGB input cards. After the existing video projection wall has been removed, the System Integration Contractor shall install a new TMC VPDS in the TMC operation room as shown in the contract documents to allow operators to display video images and computer graphics from the video matrix switcher and from servers and workstations. The connection to the matrix switcher shall not degrade the quality of the video signal. The TMC VPDS shall have the capability to simultaneously display a combination of outputs from the matrix switcher, and graphics via the existing TMC LAN. All the video images and computer graphics shall be movable and sizable across the entire matrix of stacked cubes without regard to individual cube screen borders. Apollo wall management software shall be loaded on each of the three (3) workstations inside the TMC operations room to provide operators control using their local mouse and keyboard through the TMC LAN. Maintenance and Operations Training: Maintenance and operations training shall be provided for the entire JTMC central video system as part of this contract and shall conform to the requirements below. The maintenance courses shall be geared to electricians with a minimal understanding of electronics and shall cover basic theory, fault isolation, preventive maintenance and use of applicable test equipment. Operations courses shall be geared to engineers and shall cover operations of the piece of equipment including network management and system configuration. The courses shall include hands on operation. Page 5 of 13 8/24/2005

6 The courses shall be conducted by manufacturer and System Integration Contractor representatives familiar with the operations and maintenance of the piece of equipment. All training material including hand-outs, demonstration equipment, training aids (e.g., video recorder, overhead projector, slide projector) shall be provided by the System Integration Contractor. The training location shall be in New York City at a site to be provided by the Engineer. The maintenance and operations training shall be given before system acceptance (Pre-Acceptance) and 6 months after system acceptance (Post Acceptance). Pre-Acceptance and Post-Acceptance training shall each be given in two (2) separate training modules an Operations Training module and a Maintenance Training module. The duration of each module shall be no less than two (2) days but not to exceed five (5) days with each day not to exceed eight (8) hours. Each module shall be given on consecutive days. Each module shall be offered in three sessions. One session shall be in morning, the second in the afternoon and the third shall be at night to allow personnel from different shifts to attend. The operations training shall be provided and completed first before the maintenance training could be provided. The syllabus for each module shall be provided to the Engineer for approval at least thirty (30) working days prior to the scheduled start date of the training. All training shall be completed prior to the start of System Acceptance Test. Each training module shall be for twenty (20) people with a total of thirty (30) copies of training material provided. Manuals: The maintenance manuals shall contain maintenance and troubleshooting charts and procedures. The System Integration Contractor shall assemble the individual manuals and troubleshooting procedures into loose-leaf binder(s). The equipment manuals shall as a minimum contain the following: a. Complete and accurate schematic diagrams. b. Complete installation, set-up and operation procedures. c. Complete performance specifications (functional, electrical, mechanical and environmental) of the unit. d. Complete list of replaceable parts including names of vendors for parts not identified by universal part numbers such as JEDEC, RETMA or EIA. e. Complete maintenance and troubleshooting procedures including flow charts to provide fault isolation down to the lowest replaceable module. The System Integration Contractor shall submit to the Engineer six (6) review copies of the manuals for review and approval. The review copies shall be submitted prior to the start of the System Acceptance Test. The final version shall be submitted within thirty (30) calendar days of receipt of review comments from the Engineer. The System Integration Contractor shall incorporate all comments received from the Engineer into the final version. Any changes resulting from the testing of the units shall be incorporated into the final submission. The System Integration Contractor shall furnish ten (10) sets of the final version of the maintenance and operations manuals. Page 6 of 13 8/24/2005

7 Testing: The following tests shall be performed for the TMC VPDS: Design Approval Test (DAT) Factory Demonstration Test (FDT) Stand-Alone Test (SAT) Staging Test Subsystem Integration Test (Video Subsystem Integration or JTMC LAN/Computer Subsystem Integration test) System Acceptance Test The System Integration Contractor shall be responsible for developing detailed test procedures for each type of equipment and for conducting the specified test to verify satisfactory operation of that piece of equipment. The test procedure shall, as a minimum, contain a description of the test with the expected results and verification criteria. The test procedures shall be complete including the sequence of conducting the tests, the pass/fail criteria, drawings showing the test set-up, required configuration settings for the piece of equipment under test and the test equipment, and procedures for making the test measurements. Data sheets shall be provided listing the test step, expected result, verification criteria and space to record the actual result and the make, model number and serial number of all test equipment used. Each data sheet shall have a signature section for the System Integration Contractor and for the Engineer that shall both witness each test. Six (6) copies of the proposed test procedures and data forms shall be submitted to the Engineer for approval prior to the tests. Only approved test procedures shall be used for the test. A minimum of ten (10) working days shall be allowed for the Engineer's review and approval of the test procedures. Prior to scheduling the test, the System Integration Contractor shall conduct a dry run of the test using the approved test procedure. Six (6) copies of the test data from the dry run shall be submitted to the Engineer a minimum of ten (10) working days prior to scheduling the test. Any changes required to the approved test procedure as a result of the dry run shall be noted in this submittal. The actual test shall not be scheduled until the test procedure has been approved and the dry-run test has been conducted and the dry-run test data sheets submitted. The actual test shall also not be scheduled until the required manuals have been submitted in accordance with the documentation requirements of these Special Specifications. The System Integration Contractor shall furnish copies of data forms containing all of the data taken, as well as quantitative results for the test. The data forms shall be witnessed and signed by the equipment manufacturer and/or the System Integration Contractor and by the Engineer. Ten (10) copies of the data forms, including the original test data sheet, shall be sent to the Page 7 of 13 8/24/2005

8 Engineer with one (1) form furnished to the Engineer or his representative when either the Engineer or his representative is present at the time of testing. The results of each test shall be compared with the requirements specified herein. Failure to conform to the requirements of any test shall be counted as a defect, and the piece of equipment shall be subject to rejection by the Engineer. Rejected piece of equipment may be offered again for retest provided all non-compliance has been corrected and retested by the System Integration Contractor and evidence thereof submitted to the Engineer. The Engineer shall also witness all retest. The System Integration Contractor is not responsible for the failure of a piece of equipment or software not provided as part of this contract. In the event of such a failure, the test shall be stopped until the failed piece of equipment or software is repaired by the responsible party. The tests on all of one type of equipment must be completed within five (5) calendar days from the scheduled start date. Any delays in performing all these tests will result in the System Integration Contractor paying the costs of providing the Engineer's representatives for the additional testing. A. Design Approval Test The DAT shall be conducted by the System Integration Contractor on one or more sample piece of equipment of each type, as approved by the Engineer, to determine if the design of the piece of equipment meets the requirements of these Special Specifications. The DAT shall be conducted in accordance with the approved test procedures. In the case of standard product line equipment, the Engineer may waive all or part of the DAT if the manufacturer s published specification (functional and environmental) are equal or better than those specified and the manufacturer so states in writing, or if the System Integration Contractor can provide test results certified by an independent testing facility as evidence of prior completion of successful design approval tests. The DAT shall cover the following: (a) Temperature: The piece of equipment shall be stabilized at the low end of the temperature range. After stabilization at this temperature, the piece of equipment shall be operated without degradation or failure for two (2) hours at both the low and high ends of the input power voltages. The piece of equipment shall be stabilized at the high end of the temperature range. After stabilization at this temperature, the piece of equipment shall be operated without degradation or failure for two (2) hours at both the low and high ends of the input power voltages. Page 8 of 13 8/24/2005

9 (b) Relative Humidity: The test shall be successfully performed at a relative humidity of 50% at a temperature of +22 O C. (c) Power Variation: The piece of equipment shall meet the specified performance requirements when the input voltage is at each of the voltage limits and midway between each of the voltage limits and the nominal voltage. The piece of equipment shall be operated at the extreme limits for at least fifteen (15) minutes. For any pieces of equipment with separate power supplies, DAT shall be conducted with the power supplies connected. (d) Examination of Product: The piece of equipment shall be examined to determine compliance with the specifications and with the approved shop drawings. (e) Performance Test: The piece of equipment shall be operated long enough to permit the piece of equipment temperature stabilization. Each of the performance requirements set forth in the special specification for the type of equipment under test shall be verified. If the piece of equipment fails the DAT, the design fault shall be corrected and DAT shall be repeated. All pieces of equipment shall be modified, without additional cost to the contract, to include design changes required to pass the DAT. B. Factory Demonstration Test The System Integration Contractor shall be responsible for conducting FDT on all pieces of equipment at the manufacturer's facility. This test shall be performed on each piece of equipment supplied. FDT shall be conducted in accordance with the approved test procedure. All pieces of equipment accepted shall have passed the following individual tests: (a) Examination of Product: Each piece of equipment shall be examined carefully to verify that materials, design, construction, markings and workmanship comply with the requirement of the Special Specifications. (b) Continuity Test: The wiring shall be checked to determine conformance with the requirements of the appropriate paragraphs in the '`Electrical Requirements" sections. (c) Operational Tests: Each piece of equipment shall be operated long enough to permit each piece of equipment temperature stabilization, and to check and record an adequate number of Page 9 of 13 8/24/2005

10 performance characteristics to ensure compliance with the requirements. If a piece of equipment or subsystem fails its FDT, the piece of equipment or subsystem shall be corrected or another piece of equipment substituted in its place and the test successfully repeated. If a piece of equipment or subsystem has been modified as a result of a FDT failure, a report shall be prepared and delivered to the Engineer prior to shipment of the piece of equipment. The report shall describe the failure and corrective action taken. If a failure pattern as defined by the Engineer, develops, the Engineer may direct that design and construction modifications be made to all pieces of equipment without additional cost to the contract or extension of the contract period. C. Stand-Alone Test The System Integration Contractor shall conduct SAT for each piece of equipment. SAT shall, as a minimum, exercise all stand-alone (non-network) functional operations of the piece of equipment after it has been installed per the contract documents or as directed by the Engineer. If a piece of equipment fails its SAT, the piece of equipment shall be corrected or another piece of equipment substituted in its place and the test successfully repeated. If a piece of equipment has been modified as a result of an SAT failure, a report shall be prepared and delivered to the Engineer prior to retesting of the piece of equipment. The report shall describe the nature of the failure and corrective action taken. If a failure pattern, as defined by the Engineer, develops, the Engineer may direct that design and construction modifications be made to all pieces of equipment without additional cost to the contract or extension of the contract period. D. Staging Test After completion of FDT on all pieces of equipment that constitutes the central video subsystem, the System Integration Contractor shall perform a staging test at its facility. These pieces of equipment shall include the following: Video Matrix Switcher Video Control Processor Control Keyboard Video Wall Monitor LCD TV Monitor DVR Audio Subsystem Video tuner Video Projection Display System Color Video Quad Multiplexer The Staging Test shall demonstrate that the various elements of the central video subsystem can function together prior to shipping of the different pieces of equipment to the JTMC for integration. The Staging test shall demonstrate that video and audio input signals can be routed the different video switcher and audio switcher outputs and displayed to the different video display devices, and routed to a set of speakers. The Staging test shall also demonstrate that the Page 10 of 13 8/24/2005

11 DVR is able to record and playback video and its corresponding audio. The Staging Test shall also demonstrate that recorded video and audio can be routed back to the video and audio matrix switcher for playback using any of the video display devices and heard via the speakers. The System Integration Contractor shall provide the source for video and audio signals and the output speakers to conduct the Staging Test. E. Integration Tests The System Integration Contractor shall perform Integration Test for the video subsystem and the LAN/computer subsystem. The Integration Test shall be performed in two (2) parts. Part 1 shall be performed for all pieces of equipment installed in the JTMC Equipment Room, JTMC Operation Room, JTMC Highway Advisory Radio (HAR) Room, JTMC Dispatcher Room and in the TMC. Part 2 shall be performed for all pieces of equipment installed in the JTMC Conference Room and in the JTMC offices and cubicles. The test procedure shall include a matrix of all pieces of equipment to be tested for each part of the Integration Tests. If the piece of equipment added after Part 1 of the Integration Tests has been completed compromises the performance of the pieces of equipment that already passed the Integration Test, the System Integration Contractor shall rerun the test for all pieces of equipment in the subsystem, including pieces of equipment previously tested, once the fault is corrected. Otherwise, any piece of equipment that passed during Part 1 of the test shall not be retested during Part 2. (a) Central Video Subsystem Integration Test: The Central Video Subsystem Integration Test shall be performed at the JTMC and TMC after the SAT has been completed for all of the video subsystem components and the different pieces of equipment has been integrated. The video subsystem includes the central video equipment, the video monitors, the DVR, the Video Projection Display System, and the Conference Room multimedia subsystem. This test shall demonstrate that the Video Subsystem is in compliance with the requirements of this contract. The following shall be demonstrated as part of the test: Selection and routing of video inputs to each video display device and between the TMC and JTMC Operation of the voice over subsystem Recording and playback of the DVR Remote control of the video tuners and display of tuner video output Switching and routing of the audio signals Video Display and manipulation of the Video Projection Display System Camera Selection and Control Display of Quad images using the video quad multiplexers Page 11 of 13 8/24/2005

12 If the Video Subsystem Integration Test fails, the piece of equipment shall be repaired and the test shall be rerun. If a component has been modified as a result of a failure, that component shall be replaced in all like pieces of equipment and the test shall be rerun for each piece of equipment. (b) LAN/Computer Subsystem Equipment Integration Test: The LAN/Computer Subsystem Equipment Integration Test shall be performed after all pieces of equipment, furnished and installed as part of the JTMC LAN, Peripheral Equipment and Workstation Computers have been installed and integrated. This test shall demonstrate the following: Communications between pieces of equipment on the LAN Printing on each network printer from each workstation Faxing on each network multifunction unit from each workstation computer Switching of display on the video monitors from two connected workstation computers Switching of workstation computers on the Keyboard/Mouse (KM) switch If the LAN/Computer Subsystem Equipment Integration Test fails, the piece of equipment shall be repaired and the test shall be rerun. If a component has been modified as a result of a failure, that component shall be replaced in all like pieces of equipment and the test shall be rerun for each piece of equipment. F. System Acceptance Test: Satisfactory completion of the System Acceptance Test shall be the basis for system acceptance. The System Acceptance Test shall be performed by the Engineer following completion of the Video Subsystem and LAN/Computer Subsystem Integration Tests for all pieces of equipment. The system acceptance test shall, as a minimum, exercise all functional operations of each piece of equipment installed as part of this project as an integrated system. The test shall also include a sixty (60)- day period of normal operations without any failure that will start after the completion of the Integration Tests. In the event of a failure of any System Integration Contractor supplied piece of equipment, that portion of the system affected by the failure shall be subjected to an additional sixty (60)- day test period. The Engineer will make the determination as to which piece of equipment is affected by the failure. For example, a failed monitor shall be repaired and only that monitor shall be tested for sixty (60) additional days. However, a failed LAN slave switch would require that all pieces of equipment reporting to that slave switch shall be tested for sixty (60) additional days. In the event of failure of each piece of equipment or software installed by others, the sixty (60)- day clock will be stopped for the affected portion of the system until the problem is corrected. The sixty (60)-day period will then resume for the affected portion of the system. Page 12 of 13 8/24/2005

13 If a piece of equipment has been modified as a result of a System Acceptance Test failure, a report shall be prepared and delivered to the Engineer prior to retesting of the piece of equipment. The report shall describe the nature of the failure and corrective action taken. If a failure pattern, as defined by the Engineer, develops, the Engineer may direct that design and construction modifications be made to all pieces of equipment without additional cost to the contract or extension of the contract period and after all pieces of equipment have been modified the System Acceptance Test shall be repeated for all portions of the system affected by the modified piece of equipment. METHOD OF MEASUREMENT This work will be measured on a lump sum basis. BASIS OF PAYMENT The unit price bid shall include the cost of furnishing all labor, materials and all pieces of equipment necessary to satisfactorily complete the work. Progress payments will be as follows: Sixty Percent (60%) of the unit price bid for this item will be paid upon successful completion of the Standalone Test. Thirty Percent (30%) will be paid upon successful completion of the Video System Integration Test at the JTMC. Ten Percent (10%) will be paid upon successful completion of the System Acceptance. Page 13 of 13 8/24/2005