SAPMT has reviewed your subject submittal dated May 11, 2013 and has the following comments.
1.	Drop arm barrier: Correct & Resubmit
•	Submit Drop arm barrier and crash barrier submittal in a separate Material Submittal (MS).
•	Ensure that the length of the drop arm must be suitable with the lane width.
•	Provide reader post which is capable for two proximity sensor. (one for car level, one for truck level)
•	Shall comply with the issued for construction drawing and project construction specifications.
2.	Crash Barrier shall meet below minimum requirements: Correct & Resubmit
•	Crash Rating shall be DOS K12-L3, 15,000 Lbs. at 50 Mph.
•	Up position height of the vehicle crash barrier shall not be less than 33 inch.
•	Crash Barricades shall be self-contained with its Hydraulic Power Unit (HPU).
•	No hydraulic houses shall be laid underground.
•	Shall not have more than one buttress.
•	Each vehicle crash barrier shall be fitted with a minimum of two (2) proximity limit switches NO/NC contacts.
•	Emergency Up (E-UP) operation that overrides all input sensors and input keys. E-UP shall be only overridden by inserting a KEY at the control panel.
•	E-UP Rising time shall be less than 1.5 sec. Regular rising time shall be from 3 to 5 sec.
•	Barrier shall be made from hot dip galvanized, High-quality steel construction.
•	Low oil level alarm contact indicator.
•	Manually operated using special tool in case of HPU failure.
•	Shall be integrated with drop-arm gate. i.e. in case that the drop-arm gates breaks pushed forcefully, the vehicle crash barriers shall operate and be raised to prevent any access.
•	Master control panel for each vehicle crash barrier to control the barrier
•	Master control panel shall have an E-UP push button that will raise all vehicle crash barriers at the gate.
•	Master control panel shall contain light indication of vehicle crash barrier status.
•	Master Control Panel Reset Key should be different from the power key
•	Shall operate with two (2) safety loop sensors.
•	Low oil level fluid indicator on reservoir.
•	Shall comply with the issued for construction drawing and project construction specifications.
3.	Under Vehicle Inspection System (UVIS): Correct & Resubmit
•	Submit UVIS submittal in a separate Material Submittal (MS).
•	Shall pass the factory and site acceptance test.
•	Ensure that water will not protrude in the embedded cameras.
•	Provide shop drawing for the detail installation.
•	Shall comply with the issued for construction drawing and project construction specifications.
4.	License Plate recognition: Correct & Resubmit
•	Submit LPRS submittal in a separate Material Submittal (MS).
•	Shall pass the factory and site acceptance test.
•	Provide shop drawing for the detail installation.
•	Shall comply with the issued for construction drawing and project construction specifications.
 Should you have any questions, please contact Fahad A, Al Balawi, Senior Project Engineer at Tel No. +966 2 422-4393.
