SAG AND TENSION TABLE FOR MEDIUM ICE LOADING AREAS TWO PAIR AERIAL SERVICE WIRE - NONMETALLIC (GSDW) SAG UNDER EXPECTED TENSION UNLOADED SAG SPAN LENGTH STRINGING STRINGING SAG MEDIUM LOADING UNDER MEDIUM LOAD AFTER STORM (Feet) TENSION(Lbs.) (Feet) (Inches) (Feet) (Inches) (Lbs.) (Feet) - (Inches) 50 40 0 4 1 6 122 0 11 75 40 0 9 2 8 153 1 7 100 40 1 5 4 1 179 2 5 125 40 2 2 5 7 203 3 5 150 40 3 1 7 4 224 4 7 175 50 3 4 8 10 254 5 5 200 55 4 0 10 6 277 6 5 225 60 4 8 12 4 300 7 6 250 60 5 9 14 4 318 8 10 275 70 5 11 16 1 344 9 8 300 70 7 1 18 3 361 11 1 THREE PAIR AERIAL SERVICE WIRE - NONMETALLIC (GSDW) SAG UNDER SPAN LENGTH STRINGING STRINGING SAG HEAVY LOADING (Feet) TENSION(Lbs.) (Feet) - (Inches) (Feet) - (Inches) 50 60 0 3 1 5 75 60 0 7 2 6 100 60 1 1 3 10 125 65 1 6 5 3 150 75 1 11 6 8 175 80 2 5 8 3 200 80 3 2 10 1 225 100 3 2 11 6 250 130 3 0 12 9 275 170 2 9 13 11 EXPECTED TENSION UNLOADED SAG UNDER HEAVY LOAD AFTER STORM (Lbs.) (Feet) (Inches) 133 1 0 164 1 8 192 2 6 219 3 4 248 4 3 273 5 3 294 6 5 326 7 4 362 8 4 401 9 5 SIX PAIR AERIAL SERVICE WIRE - NONMETALLIC (GSDW) SAG UNDER EXPECTED TENSION UNLOADED SAG SPAN LENGTH STRINGING STRINGING SAG MEDIUM LOADING UNDER MEDIUM LOAD AFTER STORM (Feet) TENSION(Lbs.) (Feet) (Inches) (Feet) (Inches) (Lbs.) (Feet) - (Inches) 50 60 0 5 1 4 156 1 1 75 60 1 0 2 5 191 1 11 100 60 1 10 3 9 220 2 11 125 65 2 7 5 2 251 4 0 150 75 3 3 6 7 284 5 1 175 80 4 1 8 2 312 6 4 200 90 4 9 9 9 341 7 5 225 90 6 1 11 8 361 9 0 250 100 6 9 13 4 391 10 2 275 100 8 2 15 5 410 11 10 300 110 8 10 17 1 438 13 1 NOTES: Medium ice loading is defined under NESC Rules 250 and 251 as 0.25 inch radius thickness of ice and 4 PSF horizontal wind pressure at 15º F. Stringing tensions are at 60º F. 03/30/04