FA20 CREW BEGAN TKOF WITH MEN AND EQUIP ON THE FAR END OF THE RWY. THE LAST 1800 FT OF THE RWY WERE NOTAMED CLOSED. THE CAPT MISSED THE NOTAM.

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WE WERE PLANNING A FLT FROM DENTON (DTO) TO LAWTON; OK; (LAW). THE CAPT FILED THE IFR FLT PLAN WITH FLT SVC AND RECEIVED A STANDARD BRIEFING. THE BRIEFER RPTED A NOTAM AT DTO PERTAINING TO THE SHORTENED RWY. THE CAPT DID NOT HEAR THIS INFO. AT THE END OF THE BRIEFING; THE CAPT REQUESTED INFO PERTAINING TO DTO NOTAMS; BUT WAS NOT INFORMED ABOUT THE RWY NOTAM AGAIN. THIS MISCOM RESULTED IN AN ABORTED TKOF DUE TO MEN AND EQUIP ON THE RWY. THE 6000 FT RWY HAD BEEN SHORTENED BY 1800 FT. DUE TO A HUMP IN THE MIDDLE OF THE RWY; THE MEN AND EQUIP WERE NOT VISIBLE AT THE BEGINNING OF THE TKOF ROLL. THIS SIT WAS CAUSED BY A POOR PREFLT BY THE CAPT AND A MISCOM WITH THE WX BRIEFER. SUPPLEMENTAL INFO FROM ACN 586435: I THEN TAXIED DOWN ALL OF THE AVAILABLE RWY AND SAW A SMALL SIGN (BARELY VISIBLE) THAT THE S 1800 FT OF THE TXWY WAS CLOSED. DTO RWY IS 6000 FT LONG SO THE AVAILABLE TKOF DISTANCE WAS 4200 FT; I NEEDED 5300 FT. HOWEVER THE SUPVR SAID THERE WAS SOME CONFUSION BTWN THE BRIEFER AND ME. AT THE END OF THE BRIEFING I HAD ASKED FOR ANY RWY CLOSINGS OR LCL NOTAMS. THE BRIEFER MISUNDERSTOOD ME AND GAVE ME A NOTAM FOR THE ILS AND THOUGHT OR ASSUMED THAT I HAD HEARD THE NOTAM FOR THE RWY; WHEN WHAT I REALLY WANTED WAS ALL OF THE NOTAMS.