FORM N0. 27-A [Prescribed under schedule V to Rule 95] Test Report Dust Extraction system 1. Description of system. 2. Hood (a) Serial No. Hood. (b) Contamination captured (c) Capture velocities (at points to be specified), Design value Actual value. (d) Volume exhausted at Hood. (e) Hood static pressure. 3. Total pressure drop at (a) Joints (b) Other points of the system (to be specified). 4. Transport velocity in ducts-(at points along ducts to be specified) 5. Air Cleaning Device (a) Type used (b) Velocity at inlet (c) Static pressure at inlet (d) Velocity at outlet (e) Static pressure at outlet 6. Fan a) Type used b) Volume handled c) Static pressure d) Pressure drop at outlet of fan 7. Fan Motor a) Type b) Speed and Horse power 8. Particulars of defects, if any disclosed during test in any of the above components. I certify that, on this ............... day ......... of ........................ the above dust extraction system was thoroughly cleaned and (so far as its construction permits) made accessible for thorough examination. I further certify that on the said date, I thoroughly examined the above dust extraction system including its components and fittings and that the above is the true report of my examination. Signature .................................................. Qualification/ ........................................... Address ................................................... ..................................................... ..................................................... (If employed by a Company or Association, give name and address.)