WHILE RWY MARKINGS WERE UNDER REPAIR AT GLE; PLT OF SMA RPTS THAT MAINT WORKERS WERE NOT RESTRICTING THEIR ACTIVITIES TO THE DISPLACED THRESHOLD AS MARKED.

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I WAS LNDG AT GLE AT ABOUT XA00 JAN/XA/04. THE AWOS AND NOTAMS INDICATED A DISPLACED THRESHOLD OF 1000 FT FOR RWY 17. THERE WERE WOODEN BARRICADES (ABOUT 4 FT HIGH) WITH CHEVRON MARKERS INDICATING THE AREA WHERE WORKERS WERE DOING RWY MAINT. ON LNDG; THERE WERE SEVERAL WORKERS STANDING ABOUT 20 FT TO EACH SIDE OF THE CTRLINE; BUT REMAINED STANDING ON THE USABLE PART OF THE RWY. I EXTENDED MY FLARE OVER THEM. I BELIEVE THEY SHOULD BE CLR OF THE ACTIVE PART OF THE RWY; OR THE BARRICADED AREA SHOULD HAVE BEEN EXTENDED TO INCLUDE THE RWY AREAS WHERE THEY WERE WORKING. I BELIEVE THEIR LIVES WERE IN DANGER. THEY WERE STANDING AT THE 'NEW' THRESHOLD MARKING; WHICH WAS ABOUT 100 FT PAST THE BARRICADES. ON DEP; I WAS BACK-TAXIING TO REACH THE BEGINNING OF THE RWY; SO AS TO USE ALL THE AVAILABLE RWY. ONCE AGAIN; I PASSED THE WORKERS; MILLING AROUND ON THE RWY; TOWARDS THE BARRICADES. AFTER PASSING THEM; I NOTICED THEY HAD BEEN PAINTING A NEW THRESHOLD LINE (ON THE ACTIVE PART OF THE RWY). ONE OF THE WORKERS WHO WAS ON THE LCL CTAF YELLED AT ME TO TURN AROUND AND CLR THE AREA. I COMPLIED AND DEPARTED. SUMMARY: THE PROB/DANGER I SEE HERE IS THAT; WHILE THEY ARE WORKING ON THE NEW MARKINGS; THEY ARE NOT PROTECTED IN ANY WAY. PROCEDURALLY; IT MAY MAKE MORE SENSE TO INCLUDE THE AREA THEY WERE MARKING WITHIN THE BARRICADED AREA. ONCE THE LINES ARE MARKED; THE BARRICADES COULD BE MOVED FURTHER BACK TO ONLY INCLUDE THE AREA BEING RESURFACED. THE PARTIAL MARKINGS WERE NOT SUFFICIENT TO PROTECT THEM. ON LNDG; THE WORKERS ON THE RWY WERE PAST THE NEWLY PAINTED 'WIP' AREA -- PRESENTING A DANGER TO THEMSELVES AND PLTS. PERHAPS SOME TRAINING IN AVOIDING LNDG PLANES WOULD BE APPROPRIATE.